818b9307 parents f9af7b9 b553131 7a7d6d9 1b42fc4 955dca3 68fd32b 4529eef12274 files · +592857 −339767Browse filesUnified · Split
| @@ -84,3 +84,11 @@ GTAGS · 83 unmodified lines | |||
| 84 | *.orig | 84 | *.orig |
| 85 | *~ | 85 | *~ |
| 86 | \#*# | 86 | \#*# |
| 87 | |||
| 88 | # | ||
| 89 | # Leavings from module signing | ||
| 90 | # | ||
| 91 | extra_certificates | ||
| 92 | signing_key.priv | ||
| 93 | signing_key.x509 | ||
| 94 | x509.genkey | ||
| @@ -210,6 +210,8 @@ local_ops.txt · 209 unmodified lines | |||
| 210 | - semantics and behavior of local atomic operations. | 210 | - semantics and behavior of local atomic operations. |
| 211 | lockdep-design.txt | 211 | lockdep-design.txt |
| 212 | - documentation on the runtime locking correctness validator. | 212 | - documentation on the runtime locking correctness validator. |
| 213 | lockup-watchdogs.txt | ||
| 214 | - info on soft and hard lockup detectors (aka nmi_watchdog). | ||
| 213 | logo.gif | 215 | logo.gif |
| 214 | - full colour GIF image of Linux logo (penguin - Tux). | 216 | - full colour GIF image of Linux logo (penguin - Tux). |
| 215 | logo.txt | 217 | logo.txt |
| @@ -240,8 +242,6 @@ netlabel/ · 24 unmodified lines | |||
| 240 | - directory with information on the NetLabel subsystem. | 242 | - directory with information on the NetLabel subsystem. |
| 241 | networking/ | 243 | networking/ |
| 242 | - directory with info on various aspects of networking with Linux. | 244 | - directory with info on various aspects of networking with Linux. |
| 243 | nmi_watchdog.txt | ||
| 244 | - info on NMI watchdog for SMP systems. | ||
| 245 | nommu-mmap.txt | 245 | nommu-mmap.txt |
| 246 | - documentation about no-mmu memory mapping support. | 246 | - documentation about no-mmu memory mapping support. |
| 247 | numastat.txt | 247 | numastat.txt |
| @@ -270,8 +270,6 @@ preempt-locking.txt · 22 unmodified lines | |||
| 270 | - info on locking under a preemptive kernel. | 270 | - info on locking under a preemptive kernel. |
| 271 | printk-formats.txt | 271 | printk-formats.txt |
| 272 | - how to get printk format specifiers right | 272 | - how to get printk format specifiers right |
| 273 | prio_tree.txt | ||
| 274 | - info on radix-priority-search-tree use for indexing vmas. | ||
| 275 | ramoops.txt | 273 | ramoops.txt |
| 276 | - documentation of the ramoops oops/panic logging module. | 274 | - documentation of the ramoops oops/panic logging module. |
| 277 | rbtree.txt | 275 | rbtree.txt |
| @@ -1,22 +0,0 @@ | |||
| 1 | What: /proc/<pid>/oom_adj | ||
| 2 | When: August 2012 | ||
| 3 | Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's | ||
| 4 | badness heuristic used to determine which task to kill when the kernel | ||
| 5 | is out of memory. | ||
| 6 | |||
| 7 | The badness heuristic has since been rewritten since the introduction of | ||
| 8 | this tunable such that its meaning is deprecated. The value was | ||
| 9 | implemented as a bitshift on a score generated by the badness() | ||
| 10 | function that did not have any precise units of measure. With the | ||
| 11 | rewrite, the score is given as a proportion of available memory to the | ||
| 12 | task allocating pages, so using a bitshift which grows the score | ||
| 13 | exponentially is, thus, impossible to tune with fine granularity. | ||
| 14 | |||
| 15 | A much more powerful interface, /proc/<pid>/oom_score_adj, was | ||
| 16 | introduced with the oom killer rewrite that allows users to increase or | ||
| 17 | decrease the badness score linearly. This interface will replace | ||
| 18 | /proc/<pid>/oom_adj. | ||
| 19 | |||
| 20 | A warning will be emitted to the kernel log if an application uses this | ||
| 21 | deprecated interface. After it is printed once, future warnings will be | ||
| 22 | suppressed until the kernel is rebooted. | ||
| @@ -8,3 +8,41 @@ Description: The integer value of this attribute ranges from 0-4. · 7 unmodified lines | |||
| 8 | When written, this file sets the number of the startup profile | 8 | When written, this file sets the number of the startup profile |
| 9 | and the mouse activates this profile immediately. | 9 | and the mouse activates this profile immediately. |
| 10 | Please use actual_profile, it does the same thing. | 10 | Please use actual_profile, it does the same thing. |
| 11 | Users: http://roccat.sourceforge.net | ||
| 12 | |||
| 13 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/firmware_version | ||
| 14 | Date: October 2010 | ||
| 15 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 16 | Description: When read, this file returns the raw integer version number of the | ||
| 17 | firmware reported by the mouse. Using the integer value eases | ||
| 18 | further usage in other programs. To receive the real version | ||
| 19 | number the decimal point has to be shifted 2 positions to the | ||
| 20 | left. E.g. a returned value of 121 means 1.21 | ||
| 21 | This file is readonly. | ||
| 22 | Please read binary attribute info which contains firmware version. | ||
| 23 | Users: http://roccat.sourceforge.net | ||
| 24 | |||
| 25 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_buttons | ||
| 26 | Date: August 2010 | ||
| 27 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 28 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 29 | press of a button. A profile is split in settings and buttons. | ||
| 30 | profile_buttons holds information about button layout. | ||
| 31 | When read, these files return the respective profile buttons. | ||
| 32 | The returned data is 77 bytes in size. | ||
| 33 | This file is readonly. | ||
| 34 | Write control to select profile and read profile_buttons instead. | ||
| 35 | Users: http://roccat.sourceforge.net | ||
| 36 | |||
| 37 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_settings | ||
| 38 | Date: August 2010 | ||
| 39 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 40 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 41 | press of a button. A profile is split in settings and buttons. | ||
| 42 | profile_settings holds information like resolution, sensitivity | ||
| 43 | and light effects. | ||
| 44 | When read, these files return the respective profile settings. | ||
| 45 | The returned data is 43 bytes in size. | ||
| 46 | This file is readonly. | ||
| 47 | Write control to select profile and read profile_settings instead. | ||
| 48 | Users: http://roccat.sourceforge.net | ||
| @@ -0,0 +1,66 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_cpi | ||
| 2 | Date: January 2011 | ||
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 4 | Description: The integer value of this attribute ranges from 1-4. | ||
| 5 | When read, this attribute returns the number of the active | ||
| 6 | cpi level. | ||
| 7 | This file is readonly. | ||
| 8 | Has never been used. If bookkeeping is done, it's done in userland tools. | ||
| 9 | Users: http://roccat.sourceforge.net | ||
| 10 | |||
| 11 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_sensitivity_x | ||
| 12 | Date: January 2011 | ||
| 13 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 14 | Description: The integer value of this attribute ranges from 1-10. | ||
| 15 | When read, this attribute returns the number of the actual | ||
| 16 | sensitivity in x direction. | ||
| 17 | This file is readonly. | ||
| 18 | Has never been used. If bookkeeping is done, it's done in userland tools. | ||
| 19 | Users: http://roccat.sourceforge.net | ||
| 20 | |||
| 21 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_sensitivity_y | ||
| 22 | Date: January 2011 | ||
| 23 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 24 | Description: The integer value of this attribute ranges from 1-10. | ||
| 25 | When read, this attribute returns the number of the actual | ||
| 26 | sensitivity in y direction. | ||
| 27 | This file is readonly. | ||
| 28 | Has never been used. If bookkeeping is done, it's done in userland tools. | ||
| 29 | Users: http://roccat.sourceforge.net | ||
| 30 | |||
| 31 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/firmware_version | ||
| 32 | Date: January 2011 | ||
| 33 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 34 | Description: When read, this file returns the raw integer version number of the | ||
| 35 | firmware reported by the mouse. Using the integer value eases | ||
| 36 | further usage in other programs. To receive the real version | ||
| 37 | number the decimal point has to be shifted 2 positions to the | ||
| 38 | left. E.g. a returned value of 121 means 1.21 | ||
| 39 | This file is readonly. | ||
| 40 | Obsoleted by binary sysfs attribute "info". | ||
| 41 | Users: http://roccat.sourceforge.net | ||
| 42 | |||
| 43 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_buttons | ||
| 44 | Date: January 2011 | ||
| 45 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 46 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 47 | press of a button. A profile is split in settings and buttons. | ||
| 48 | profile_buttons holds information about button layout. | ||
| 49 | When read, these files return the respective profile buttons. | ||
| 50 | The returned data is 23 bytes in size. | ||
| 51 | This file is readonly. | ||
| 52 | Write control to select profile and read profile_buttons instead. | ||
| 53 | Users: http://roccat.sourceforge.net | ||
| 54 | |||
| 55 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_settings | ||
| 56 | Date: January 2011 | ||
| 57 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 58 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 59 | press of a button. A profile is split in settings and buttons. | ||
| 60 | profile_settings holds information like resolution, sensitivity | ||
| 61 | and light effects. | ||
| 62 | When read, these files return the respective profile settings. | ||
| 63 | The returned data is 16 bytes in size. | ||
| 64 | This file is readonly. | ||
| 65 | Write control to select profile and read profile_settings instead. | ||
| 66 | Users: http://roccat.sourceforge.net | ||
| @@ -0,0 +1,73 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_cpi | ||
| 2 | Date: August 2010 | ||
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 4 | Description: It is possible to switch the cpi setting of the mouse with the | ||
| 5 | press of a button. | ||
| 6 | When read, this file returns the raw number of the actual cpi | ||
| 7 | setting reported by the mouse. This number has to be further | ||
| 8 | processed to receive the real dpi value. | ||
| 9 | |||
| 10 | VALUE DPI | ||
| 11 | 1 400 | ||
| 12 | 2 800 | ||
| 13 | 4 1600 | ||
| 14 | |||
| 15 | This file is readonly. | ||
| 16 | Has never been used. If bookkeeping is done, it's done in userland tools. | ||
| 17 | Users: http://roccat.sourceforge.net | ||
| 18 | |||
| 19 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_profile | ||
| 20 | Date: August 2010 | ||
| 21 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 22 | Description: When read, this file returns the number of the actual profile in | ||
| 23 | range 0-4. | ||
| 24 | This file is readonly. | ||
| 25 | Please use binary attribute "settings" which provides this information. | ||
| 26 | Users: http://roccat.sourceforge.net | ||
| 27 | |||
| 28 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/firmware_version | ||
| 29 | Date: August 2010 | ||
| 30 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 31 | Description: When read, this file returns the raw integer version number of the | ||
| 32 | firmware reported by the mouse. Using the integer value eases | ||
| 33 | further usage in other programs. To receive the real version | ||
| 34 | number the decimal point has to be shifted 2 positions to the | ||
| 35 | left. E.g. a returned value of 138 means 1.38 | ||
| 36 | This file is readonly. | ||
| 37 | Please use binary attribute "info" which provides this information. | ||
| 38 | Users: http://roccat.sourceforge.net | ||
| 39 | |||
| 40 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_buttons | ||
| 41 | Date: August 2010 | ||
| 42 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 43 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 44 | press of a button. A profile is split in settings and buttons. | ||
| 45 | profile_buttons holds information about button layout. | ||
| 46 | When read, these files return the respective profile buttons. | ||
| 47 | The returned data is 19 bytes in size. | ||
| 48 | This file is readonly. | ||
| 49 | Write control to select profile and read profile_buttons instead. | ||
| 50 | Users: http://roccat.sourceforge.net | ||
| 51 | |||
| 52 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_settings | ||
| 53 | Date: August 2010 | ||
| 54 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 55 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 56 | press of a button. A profile is split in settings and buttons. | ||
| 57 | profile_settings holds information like resolution, sensitivity | ||
| 58 | and light effects. | ||
| 59 | When read, these files return the respective profile settings. | ||
| 60 | The returned data is 13 bytes in size. | ||
| 61 | This file is readonly. | ||
| 62 | Write control to select profile and read profile_settings instead. | ||
| 63 | Users: http://roccat.sourceforge.net | ||
| 64 | |||
| 65 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/startup_profile | ||
| 66 | Date: August 2010 | ||
| 67 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 68 | Description: The integer value of this attribute ranges from 0-4. | ||
| 69 | When read, this attribute returns the number of the profile | ||
| 70 | that's active when the mouse is powered on. | ||
| 71 | This file is readonly. | ||
| 72 | Please use binary attribute "settings" which provides this information. | ||
| 73 | Users: http://roccat.sourceforge.net | ||
| @@ -12,11 +12,14 @@ Description: · 11 unmodified lines | |||
| 12 | then closing the file. The new policy takes effect after | 12 | then closing the file. The new policy takes effect after |
| 13 | the file ima/policy is closed. | 13 | the file ima/policy is closed. |
| 14 | 14 | ||
| 15 | IMA appraisal, if configured, uses these file measurements | ||
| 16 | for local measurement appraisal. | ||
| 17 | |||
| 15 | rule format: action [condition ...] | 18 | rule format: action [condition ...] |
| 16 | 19 | ||
| 17 | action: measure | dont_measure | 20 | action: measure | dont_measure | appraise | dont_appraise | audit |
| 18 | condition:= base | lsm | 21 | condition:= base | lsm |
| 19 | base: [[func=] [mask=] [fsmagic=] [uid=]] | 22 | base: [[func=] [mask=] [fsmagic=] [uid=] [fowner]] |
| 20 | lsm: [[subj_user=] [subj_role=] [subj_type=] | 23 | lsm: [[subj_user=] [subj_role=] [subj_type=] |
| 21 | [obj_user=] [obj_role=] [obj_type=]] | 24 | [obj_user=] [obj_role=] [obj_type=]] |
| 22 | 25 | ||
| @@ -24,36 +27,50 @@ Description: · 1 unmodified line | |||
| 24 | mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC] | 27 | mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC] |
| 25 | fsmagic:= hex value | 28 | fsmagic:= hex value |
| 26 | uid:= decimal value | 29 | uid:= decimal value |
| 30 | fowner:=decimal value | ||
| 27 | lsm: are LSM specific | 31 | lsm: are LSM specific |
| 28 | 32 | ||
| 29 | default policy: | 33 | default policy: |
| 30 | # PROC_SUPER_MAGIC | 34 | # PROC_SUPER_MAGIC |
| 31 | dont_measure fsmagic=0x9fa0 | 35 | dont_measure fsmagic=0x9fa0 |
| 36 | dont_appraise fsmagic=0x9fa0 | ||
| 32 | # SYSFS_MAGIC | 37 | # SYSFS_MAGIC |
| 33 | dont_measure fsmagic=0x62656572 | 38 | dont_measure fsmagic=0x62656572 |
| 39 | dont_appraise fsmagic=0x62656572 | ||
| 34 | # DEBUGFS_MAGIC | 40 | # DEBUGFS_MAGIC |
| 35 | dont_measure fsmagic=0x64626720 | 41 | dont_measure fsmagic=0x64626720 |
| 42 | dont_appraise fsmagic=0x64626720 | ||
| 36 | # TMPFS_MAGIC | 43 | # TMPFS_MAGIC |
| 37 | dont_measure fsmagic=0x01021994 | 44 | dont_measure fsmagic=0x01021994 |
| 45 | dont_appraise fsmagic=0x01021994 | ||
| 46 | # RAMFS_MAGIC | ||
| 47 | dont_measure fsmagic=0x858458f6 | ||
| 48 | dont_appraise fsmagic=0x858458f6 | ||
| 38 | # SECURITYFS_MAGIC | 49 | # SECURITYFS_MAGIC |
| 39 | dont_measure fsmagic=0x73636673 | 50 | dont_measure fsmagic=0x73636673 |
| 51 | dont_appraise fsmagic=0x73636673 | ||
| 40 | 52 | ||
| 41 | measure func=BPRM_CHECK | 53 | measure func=BPRM_CHECK |
| 42 | measure func=FILE_MMAP mask=MAY_EXEC | 54 | measure func=FILE_MMAP mask=MAY_EXEC |
| 43 | measure func=FILE_CHECK mask=MAY_READ uid=0 | 55 | measure func=FILE_CHECK mask=MAY_READ uid=0 |
| 56 | appraise fowner=0 | ||
| 44 | 57 | ||
| 45 | The default policy measures all executables in bprm_check, | 58 | The default policy measures all executables in bprm_check, |
| 46 | all files mmapped executable in file_mmap, and all files | 59 | all files mmapped executable in file_mmap, and all files |
| 47 | open for read by root in do_filp_open. | 60 | open for read by root in do_filp_open. The default appraisal |
| 61 | policy appraises all files owned by root. | ||
| 48 | 62 | ||
| 49 | Examples of LSM specific definitions: | 63 | Examples of LSM specific definitions: |
| 50 | 64 | ||
| 51 | SELinux: | 65 | SELinux: |
| 52 | # SELINUX_MAGIC | 66 | # SELINUX_MAGIC |
| 53 | dont_measure fsmagic=0xF97CFF8C | 67 | dont_measure fsmagic=0xf97cff8c |
| 68 | dont_appraise fsmagic=0xf97cff8c | ||
| 54 | 69 | ||
| 55 | dont_measure obj_type=var_log_t | 70 | dont_measure obj_type=var_log_t |
| 71 | dont_appraise obj_type=var_log_t | ||
| 56 | dont_measure obj_type=auditd_log_t | 72 | dont_measure obj_type=auditd_log_t |
| 73 | dont_appraise obj_type=auditd_log_t | ||
| 57 | measure subj_user=system_u func=FILE_CHECK mask=MAY_READ | 74 | measure subj_user=system_u func=FILE_CHECK mask=MAY_READ |
| 58 | measure subj_role=system_r func=FILE_CHECK mask=MAY_READ | 75 | measure subj_role=system_r func=FILE_CHECK mask=MAY_READ |
| 59 | 76 | ||
| @@ -206,3 +206,17 @@ Description: · 205 unmodified lines | |||
| 206 | when a discarded area is read the discard_zeroes_data | 206 | when a discarded area is read the discard_zeroes_data |
| 207 | parameter will be set to one. Otherwise it will be 0 and | 207 | parameter will be set to one. Otherwise it will be 0 and |
| 208 | the result of reading a discarded area is undefined. | 208 | the result of reading a discarded area is undefined. |
| 209 | |||
| 210 | What: /sys/block/<disk>/queue/write_same_max_bytes | ||
| 211 | Date: January 2012 | ||
| 212 | Contact: Martin K. Petersen <martin.petersen@oracle.com> | ||
| 213 | Description: | ||
| 214 | Some devices support a write same operation in which a | ||
| 215 | single data block can be written to a range of several | ||
| 216 | contiguous blocks on storage. This can be used to wipe | ||
| 217 | areas on disk or to initialize drives in a RAID | ||
| 218 | configuration. write_same_max_bytes indicates how many | ||
| 219 | bytes can be written in a single write same command. If | ||
| 220 | write_same_max_bytes is 0, write same is not supported | ||
| 221 | by the device. | ||
| 222 | |||
| @@ -9,19 +9,19 @@ Attributes: · 8 unmodified lines | |||
| 9 | this value will change the dev_loss_tmo for all | 9 | this value will change the dev_loss_tmo for all |
| 10 | FCFs discovered by this controller. | 10 | FCFs discovered by this controller. |
| 11 | 11 | ||
| 12 | lesb_link_fail: Link Error Status Block (LESB) link failure count. | 12 | lesb/link_fail: Link Error Status Block (LESB) link failure count. |
| 13 | 13 | ||
| 14 | lesb_vlink_fail: Link Error Status Block (LESB) virtual link | 14 | lesb/vlink_fail: Link Error Status Block (LESB) virtual link |
| 15 | failure count. | 15 | failure count. |
| 16 | 16 | ||
| 17 | lesb_miss_fka: Link Error Status Block (LESB) missed FCoE | 17 | lesb/miss_fka: Link Error Status Block (LESB) missed FCoE |
| 18 | Initialization Protocol (FIP) Keep-Alives (FKA). | 18 | Initialization Protocol (FIP) Keep-Alives (FKA). |
| 19 | 19 | ||
| 20 | lesb_symb_err: Link Error Status Block (LESB) symbolic error count. | 20 | lesb/symb_err: Link Error Status Block (LESB) symbolic error count. |
| 21 | 21 | ||
| 22 | lesb_err_block: Link Error Status Block (LESB) block error count. | 22 | lesb/err_block: Link Error Status Block (LESB) block error count. |
| 23 | 23 | ||
| 24 | lesb_fcs_error: Link Error Status Block (LESB) Fibre Channel | 24 | lesb/fcs_error: Link Error Status Block (LESB) Fibre Channel |
| 25 | Serivces error count. | 25 | Serivces error count. |
| 26 | 26 | ||
| 27 | Notes: ctlr_X (global increment starting at 0) | 27 | Notes: ctlr_X (global increment starting at 0) |
| @@ -25,6 +25,10 @@ client_id · 24 unmodified lines | |||
| 25 | 25 | ||
| 26 | The ceph unique client id that was assigned for this specific session. | 26 | The ceph unique client id that was assigned for this specific session. |
| 27 | 27 | ||
| 28 | features | ||
| 29 | |||
| 30 | A hexadecimal encoding of the feature bits for this image. | ||
| 31 | |||
| 28 | major | 32 | major |
| 29 | 33 | ||
| 30 | The block device major number. | 34 | The block device major number. |
| @@ -33,6 +37,11 @@ name · 2 unmodified lines | |||
| 33 | 37 | ||
| 34 | The name of the rbd image. | 38 | The name of the rbd image. |
| 35 | 39 | ||
| 40 | image_id | ||
| 41 | |||
| 42 | The unique id for the rbd image. (For rbd image format 1 | ||
| 43 | this is empty.) | ||
| 44 | |||
| 36 | pool | 45 | pool |
| 37 | 46 | ||
| 38 | The name of the storage pool where this rbd image resides. | 47 | The name of the storage pool where this rbd image resides. |
| @@ -57,12 +66,6 @@ current_snap · 18 unmodified lines | |||
| 57 | 66 | ||
| 58 | The current snapshot for which the device is mapped. | 67 | The current snapshot for which the device is mapped. |
| 59 | 68 | ||
| 60 | create_snap | ||
| 61 | |||
| 62 | Create a snapshot: | ||
| 63 | |||
| 64 | $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create | ||
| 65 | |||
| 66 | snap_* | 69 | snap_* |
| 67 | 70 | ||
| 68 | A directory per each snapshot | 71 | A directory per each snapshot |
| @@ -79,4 +82,7 @@ snap_size · 10 unmodified lines | |||
| 79 | 82 | ||
| 80 | The size of the image when this snapshot was taken. | 83 | The size of the image when this snapshot was taken. |
| 81 | 84 | ||
| 85 | snap_features | ||
| 86 | |||
| 87 | A hexadecimal encoding of the feature bits for this snapshot. | ||
| 82 | 88 | ||
| @@ -220,3 +220,10 @@ Description: · 219 unmodified lines | |||
| 220 | If the device doesn't support LTM, the file will read "no". | 220 | If the device doesn't support LTM, the file will read "no". |
| 221 | The file will be present for all speeds of USB devices, and will | 221 | The file will be present for all speeds of USB devices, and will |
| 222 | always read "no" for USB 1.1 and USB 2.0 devices. | 222 | always read "no" for USB 1.1 and USB 2.0 devices. |
| 223 | |||
| 224 | What: /sys/bus/usb/devices/.../(hub interface)/portX | ||
| 225 | Date: August 2012 | ||
| 226 | Contact: Lan Tianyu <tianyu.lan@intel.com> | ||
| 227 | Description: | ||
| 228 | The /sys/bus/usb/devices/.../(hub interface)/portX | ||
| 229 | is usb port device's sysfs directory. | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | What: /sys/devices/.../firmware_node/ | ||
| 2 | Date: September 2012 | ||
| 3 | Contact: <> | ||
| 4 | Description: | ||
| 5 | The /sys/devices/.../firmware_node directory contains attributes | ||
| 6 | allowing the user space to check and modify some firmware | ||
| 7 | related properties of given device. | ||
| 8 | |||
| 9 | What: /sys/devices/.../firmware_node/description | ||
| 10 | Date: September 2012 | ||
| 11 | Contact: Lance Ortiz <lance.ortiz@hp.com> | ||
| 12 | Description: | ||
| 13 | The /sys/devices/.../firmware/description attribute contains a string | ||
| 14 | that describes the device as provided by the _STR method in the ACPI | ||
| 15 | namespace. This attribute is read-only. If the device does not have | ||
| 16 | an _STR method associated with it in the ACPI namespace, this | ||
| 17 | attribute is not present. | ||
| @@ -176,3 +176,14 @@ Description: Disable L3 cache indices · 175 unmodified lines | |||
| 176 | All AMD processors with L3 caches provide this functionality. | 176 | All AMD processors with L3 caches provide this functionality. |
| 177 | For details, see BKDGs at | 177 | For details, see BKDGs at |
| 178 | http://developer.amd.com/documentation/guides/Pages/default.aspx | 178 | http://developer.amd.com/documentation/guides/Pages/default.aspx |
| 179 | |||
| 180 | |||
| 181 | What: /sys/devices/system/cpu/cpufreq/boost | ||
| 182 | Date: August 2012 | ||
| 183 | Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> | ||
| 184 | Description: Processor frequency boosting control | ||
| 185 | |||
| 186 | This switch controls the boost setting for the whole system. | ||
| 187 | Boosting allows the CPU and the firmware to run at a frequency | ||
| 188 | beyound it's nominal limit. | ||
| 189 | More details can be found in Documentation/cpu-freq/boost.txt | ||
| @@ -117,6 +117,14 @@ Description: When written, this file lets one store macros with max 500 · 116 unmodified lines | |||
| 117 | which profile and key to read. | 117 | which profile and key to read. |
| 118 | Users: http://roccat.sourceforge.net | 118 | Users: http://roccat.sourceforge.net |
| 119 | 119 | ||
| 120 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/reset | ||
| 121 | Date: November 2012 | ||
| 122 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 123 | Description: When written, this file lets one reset the device. | ||
| 124 | The data has to be 3 bytes long. | ||
| 125 | This file is writeonly. | ||
| 126 | Users: http://roccat.sourceforge.net | ||
| 127 | |||
| 120 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/control | 128 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/control |
| 121 | Date: June 2011 | 129 | Date: June 2011 |
| 122 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 130 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| @@ -9,15 +9,12 @@ Description: The integer value of this attribute ranges from 0-4. · 8 unmodified lines | |||
| 9 | and the mouse activates this profile immediately. | 9 | and the mouse activates this profile immediately. |
| 10 | Users: http://roccat.sourceforge.net | 10 | Users: http://roccat.sourceforge.net |
| 11 | 11 | ||
| 12 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/firmware_version | 12 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/info |
| 13 | Date: October 2010 | 13 | Date: November 2012 |
| 14 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 14 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 15 | Description: When read, this file returns the raw integer version number of the | 15 | Description: When read, this file returns general data like firmware version. |
| 16 | firmware reported by the mouse. Using the integer value eases | 16 | When written, the device can be reset. |
| 17 | further usage in other programs. To receive the real version | 17 | The data is 8 bytes long. |
| 18 | number the decimal point has to be shifted 2 positions to the | ||
| 19 | left. E.g. a returned value of 121 means 1.21 | ||
| 20 | This file is readonly. | ||
| 21 | Users: http://roccat.sourceforge.net | 18 | Users: http://roccat.sourceforge.net |
| 22 | 19 | ||
| 23 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/macro | 20 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/macro |
| @@ -42,18 +39,8 @@ Description: The mouse can store 5 profiles which can be switched by the · 18 unmodified lines | |||
| 42 | The mouse will reject invalid data. | 39 | The mouse will reject invalid data. |
| 43 | Which profile to write is determined by the profile number | 40 | Which profile to write is determined by the profile number |
| 44 | contained in the data. | 41 | contained in the data. |
| 45 | This file is writeonly. | 42 | Before reading this file, control has to be written to select |
| 46 | Users: http://roccat.sourceforge.net | 43 | which profile to read. |
| 47 | |||
| 48 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_buttons | ||
| 49 | Date: August 2010 | ||
| 50 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 51 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 52 | press of a button. A profile is split in settings and buttons. | ||
| 53 | profile_buttons holds information about button layout. | ||
| 54 | When read, these files return the respective profile buttons. | ||
| 55 | The returned data is 77 bytes in size. | ||
| 56 | This file is readonly. | ||
| 57 | Users: http://roccat.sourceforge.net | 44 | Users: http://roccat.sourceforge.net |
| 58 | 45 | ||
| 59 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_settings | 46 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_settings |
| @@ -68,19 +55,8 @@ Description: The mouse can store 5 profiles which can be switched by the · 8 unmodified lines | |||
| 68 | The mouse will reject invalid data. | 55 | The mouse will reject invalid data. |
| 69 | Which profile to write is determined by the profile number | 56 | Which profile to write is determined by the profile number |
| 70 | contained in the data. | 57 | contained in the data. |
| 71 | This file is writeonly. | 58 | Before reading this file, control has to be written to select |
| 72 | Users: http://roccat.sourceforge.net | 59 | which profile to read. |
| 73 | |||
| 74 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_settings | ||
| 75 | Date: August 2010 | ||
| 76 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 77 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 78 | press of a button. A profile is split in settings and buttons. | ||
| 79 | profile_settings holds information like resolution, sensitivity | ||
| 80 | and light effects. | ||
| 81 | When read, these files return the respective profile settings. | ||
| 82 | The returned data is 43 bytes in size. | ||
| 83 | This file is readonly. | ||
| 84 | Users: http://roccat.sourceforge.net | 60 | Users: http://roccat.sourceforge.net |
| 85 | 61 | ||
| 86 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/sensor | 62 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/sensor |
| @@ -104,9 +80,9 @@ What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid- · 17 unmodified lines | |||
| 104 | Date: October 2010 | 80 | Date: October 2010 |
| 105 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 81 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 106 | Description: When written a calibration process for the tracking control unit | 82 | Description: When written a calibration process for the tracking control unit |
| 107 | can be initiated/cancelled. | 83 | can be initiated/cancelled. Also lets one read/write sensor |
| 108 | The data has to be 3 bytes long. | 84 | registers. |
| 109 | This file is writeonly. | 85 | The data has to be 4 bytes long. |
| 110 | Users: http://roccat.sourceforge.net | 86 | Users: http://roccat.sourceforge.net |
| 111 | 87 | ||
| 112 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu_image | 88 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu_image |
| @@ -1,12 +1,3 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_cpi | ||
| 2 | Date: January 2011 | ||
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 4 | Description: The integer value of this attribute ranges from 1-4. | ||
| 5 | When read, this attribute returns the number of the active | ||
| 6 | cpi level. | ||
| 7 | This file is readonly. | ||
| 8 | Users: http://roccat.sourceforge.net | ||
| 9 | |||
| 10 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_profile | 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_profile |
| 11 | Date: January 2011 | 2 | Date: January 2011 |
| 12 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| @@ -18,33 +9,12 @@ Description: The integer value of this attribute ranges from 0-4. · 5 unmodified lines | |||
| 18 | active when the mouse is powered on. | 9 | active when the mouse is powered on. |
| 19 | Users: http://roccat.sourceforge.net | 10 | Users: http://roccat.sourceforge.net |
| 20 | 11 | ||
| 21 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_sensitivity_x | 12 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/info |
| 22 | Date: January 2011 | 13 | Date: November 2012 |
| 23 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 14 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 24 | Description: The integer value of this attribute ranges from 1-10. | 15 | Description: When read, this file returns general data like firmware version. |
| 25 | When read, this attribute returns the number of the actual | 16 | When written, the device can be reset. |
| 26 | sensitivity in x direction. | 17 | The data is 6 bytes long. |
| 27 | This file is readonly. | ||
| 28 | Users: http://roccat.sourceforge.net | ||
| 29 | |||
| 30 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/actual_sensitivity_y | ||
| 31 | Date: January 2011 | ||
| 32 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 33 | Description: The integer value of this attribute ranges from 1-10. | ||
| 34 | When read, this attribute returns the number of the actual | ||
| 35 | sensitivity in y direction. | ||
| 36 | This file is readonly. | ||
| 37 | Users: http://roccat.sourceforge.net | ||
| 38 | |||
| 39 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/firmware_version | ||
| 40 | Date: January 2011 | ||
| 41 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 42 | Description: When read, this file returns the raw integer version number of the | ||
| 43 | firmware reported by the mouse. Using the integer value eases | ||
| 44 | further usage in other programs. To receive the real version | ||
| 45 | number the decimal point has to be shifted 2 positions to the | ||
| 46 | left. E.g. a returned value of 121 means 1.21 | ||
| 47 | This file is readonly. | ||
| 48 | Users: http://roccat.sourceforge.net | 18 | Users: http://roccat.sourceforge.net |
| 49 | 19 | ||
| 50 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile_buttons | 20 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile_buttons |
| @@ -58,18 +28,8 @@ Description: The mouse can store 5 profiles which can be switched by the · 7 unmodified lines | |||
| 58 | The mouse will reject invalid data. | 28 | The mouse will reject invalid data. |
| 59 | Which profile to write is determined by the profile number | 29 | Which profile to write is determined by the profile number |
| 60 | contained in the data. | 30 | contained in the data. |
| 61 | This file is writeonly. | 31 | Before reading this file, control has to be written to select |
| 62 | Users: http://roccat.sourceforge.net | 32 | which profile to read. |
| 63 | |||
| 64 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_buttons | ||
| 65 | Date: January 2011 | ||
| 66 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 67 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 68 | press of a button. A profile is split in settings and buttons. | ||
| 69 | profile_buttons holds information about button layout. | ||
| 70 | When read, these files return the respective profile buttons. | ||
| 71 | The returned data is 23 bytes in size. | ||
| 72 | This file is readonly. | ||
| 73 | Users: http://roccat.sourceforge.net | 33 | Users: http://roccat.sourceforge.net |
| 74 | 34 | ||
| 75 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile_settings | 35 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile_settings |
| @@ -84,17 +44,6 @@ Description: The mouse can store 5 profiles which can be switched by the · 8 unmodified lines | |||
| 84 | The mouse will reject invalid data. | 44 | The mouse will reject invalid data. |
| 85 | Which profile to write is determined by the profile number | 45 | Which profile to write is determined by the profile number |
| 86 | contained in the data. | 46 | contained in the data. |
| 87 | This file is writeonly. | 47 | Before reading this file, control has to be written to select |
| 88 | Users: http://roccat.sourceforge.net | 48 | which profile to read. |
| 89 | |||
| 90 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_settings | ||
| 91 | Date: January 2011 | ||
| 92 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 93 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 94 | press of a button. A profile is split in settings and buttons. | ||
| 95 | profile_settings holds information like resolution, sensitivity | ||
| 96 | and light effects. | ||
| 97 | When read, these files return the respective profile settings. | ||
| 98 | The returned data is 16 bytes in size. | ||
| 99 | This file is readonly. | ||
| 100 | Users: http://roccat.sourceforge.net | 49 | Users: http://roccat.sourceforge.net |
| @@ -0,0 +1,7 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/control | ||
| 2 | Date: October 2012 | ||
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 4 | Description: When written, cpi, button and light settings can be configured. | ||
| 5 | When read, actual cpi setting and sensor data are returned. | ||
| 6 | The data has to be 8 bytes long. | ||
| 7 | Users: http://roccat.sourceforge.net | ||
| @@ -1,37 +1,9 @@ | |||
| 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_cpi | 1 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/info |
| 2 | Date: August 2010 | 2 | Date: November 2012 |
| 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 4 | Description: It is possible to switch the cpi setting of the mouse with the | ||
| 5 | press of a button. | ||
| 6 | When read, this file returns the raw number of the actual cpi | ||
| 7 | setting reported by the mouse. This number has to be further | ||
| 8 | processed to receive the real dpi value. | ||
| 9 | |||
| 10 | VALUE DPI | ||
| 11 | 1 400 | ||
| 12 | 2 800 | ||
| 13 | 4 1600 | ||
| 14 | |||
| 15 | This file is readonly. | ||
| 16 | Users: http://roccat.sourceforge.net | ||
| 17 | |||
| 18 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_profile | ||
| 19 | Date: August 2010 | ||
| 20 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 3 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 21 | Description: When read, this file returns the number of the actual profile in | 4 | Description: When read, this file returns general data like firmware version. |
| 22 | range 0-4. | 5 | When written, the device can be reset. |
| 23 | This file is readonly. | 6 | The data is 6 bytes long. |
| 24 | Users: http://roccat.sourceforge.net | ||
| 25 | |||
| 26 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/firmware_version | ||
| 27 | Date: August 2010 | ||
| 28 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 29 | Description: When read, this file returns the raw integer version number of the | ||
| 30 | firmware reported by the mouse. Using the integer value eases | ||
| 31 | further usage in other programs. To receive the real version | ||
| 32 | number the decimal point has to be shifted 2 positions to the | ||
| 33 | left. E.g. a returned value of 138 means 1.38 | ||
| 34 | This file is readonly. | ||
| 35 | Users: http://roccat.sourceforge.net | 7 | Users: http://roccat.sourceforge.net |
| 36 | 8 | ||
| 37 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_settings | 9 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_settings |
| @@ -46,19 +18,8 @@ Description: The mouse can store 5 profiles which can be switched by the · 8 unmodified lines | |||
| 46 | The mouse will reject invalid data. | 18 | The mouse will reject invalid data. |
| 47 | Which profile to write is determined by the profile number | 19 | Which profile to write is determined by the profile number |
| 48 | contained in the data. | 20 | contained in the data. |
| 49 | This file is writeonly. | 21 | Before reading this file, control has to be written to select |
| 50 | Users: http://roccat.sourceforge.net | 22 | which profile to read. |
| 51 | |||
| 52 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_settings | ||
| 53 | Date: August 2010 | ||
| 54 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 55 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 56 | press of a button. A profile is split in settings and buttons. | ||
| 57 | profile_settings holds information like resolution, sensitivity | ||
| 58 | and light effects. | ||
| 59 | When read, these files return the respective profile settings. | ||
| 60 | The returned data is 13 bytes in size. | ||
| 61 | This file is readonly. | ||
| 62 | Users: http://roccat.sourceforge.net | 23 | Users: http://roccat.sourceforge.net |
| 63 | 24 | ||
| 64 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_buttons | 25 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_buttons |
| @@ -72,27 +33,8 @@ Description: The mouse can store 5 profiles which can be switched by the · 7 unmodified lines | |||
| 72 | The mouse will reject invalid data. | 33 | The mouse will reject invalid data. |
| 73 | Which profile to write is determined by the profile number | 34 | Which profile to write is determined by the profile number |
| 74 | contained in the data. | 35 | contained in the data. |
| 75 | This file is writeonly. | 36 | Before reading this file, control has to be written to select |
| 76 | Users: http://roccat.sourceforge.net | 37 | which profile to read. |
| 77 | |||
| 78 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile[1-5]_buttons | ||
| 79 | Date: August 2010 | ||
| 80 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 81 | Description: The mouse can store 5 profiles which can be switched by the | ||
| 82 | press of a button. A profile is split in settings and buttons. | ||
| 83 | profile_buttons holds information about button layout. | ||
| 84 | When read, these files return the respective profile buttons. | ||
| 85 | The returned data is 19 bytes in size. | ||
| 86 | This file is readonly. | ||
| 87 | Users: http://roccat.sourceforge.net | ||
| 88 | |||
| 89 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/startup_profile | ||
| 90 | Date: August 2010 | ||
| 91 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| 92 | Description: The integer value of this attribute ranges from 0-4. | ||
| 93 | When read, this attribute returns the number of the profile | ||
| 94 | that's active when the mouse is powered on. | ||
| 95 | This file is readonly. | ||
| 96 | Users: http://roccat.sourceforge.net | 38 | Users: http://roccat.sourceforge.net |
| 97 | 39 | ||
| 98 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/settings | 40 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/settings |
| @@ -40,8 +40,8 @@ What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid- · 39 unmodified lines | |||
| 40 | Date: Mai 2012 | 40 | Date: Mai 2012 |
| 41 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | 41 | Contact: Stefan Achatz <erazor_de@users.sourceforge.net> |
| 42 | Description: When read, this file returns general data like firmware version. | 42 | Description: When read, this file returns general data like firmware version. |
| 43 | When written, the device can be reset. | ||
| 43 | The data is 8 bytes long. | 44 | The data is 8 bytes long. |
| 44 | This file is readonly. | ||
| 45 | Users: http://roccat.sourceforge.net | 45 | Users: http://roccat.sourceforge.net |
| 46 | 46 | ||
| 47 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/macro | 47 | What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/macro |
| @@ -74,4 +74,3 @@ Description: The mouse has a Avago ADNS-3090 sensor. · 26 unmodified lines | |||
| 74 | This file allows reading and writing of the mouse sensors registers. | 74 | This file allows reading and writing of the mouse sensors registers. |
| 75 | The data has to be 4 bytes long. | 75 | The data has to be 4 bytes long. |
| 76 | Users: http://roccat.sourceforge.net | 76 | Users: http://roccat.sourceforge.net |
| 77 | |||
| @@ -0,0 +1,70 @@ | |||
| 1 | What: /sys/devices/pnp0/<bus-num>/ppi/ | ||
| 2 | Date: August 2012 | ||
| 3 | Kernel Version: 3.6 | ||
| 4 | Contact: xiaoyan.zhang@intel.com | ||
| 5 | Description: | ||
| 6 | This folder includes the attributes related with PPI (Physical | ||
| 7 | Presence Interface). Only if TPM is supported by BIOS, this | ||
| 8 | folder makes sence. The folder path can be got by command | ||
| 9 | 'find /sys/ -name 'pcrs''. For the detail information of PPI, | ||
| 10 | please refer to the PPI specification from | ||
| 11 | http://www.trustedcomputinggroup.org/ | ||
| 12 | |||
| 13 | What: /sys/devices/pnp0/<bus-num>/ppi/version | ||
| 14 | Date: August 2012 | ||
| 15 | Contact: xiaoyan.zhang@intel.com | ||
| 16 | Description: | ||
| 17 | This attribute shows the version of the PPI supported by the | ||
| 18 | platform. | ||
| 19 | This file is readonly. | ||
| 20 | |||
| 21 | What: /sys/devices/pnp0/<bus-num>/ppi/request | ||
| 22 | Date: August 2012 | ||
| 23 | Contact: xiaoyan.zhang@intel.com | ||
| 24 | Description: | ||
| 25 | This attribute shows the request for an operation to be | ||
| 26 | executed in the pre-OS environment. It is the only input from | ||
| 27 | the OS to the pre-OS environment. The request should be an | ||
| 28 | integer value range from 1 to 160, and 0 means no request. | ||
| 29 | This file can be read and written. | ||
| 30 | |||
| 31 | What: /sys/devices/pnp0/00:<bus-num>/ppi/response | ||
| 32 | Date: August 2012 | ||
| 33 | Contact: xiaoyan.zhang@intel.com | ||
| 34 | Description: | ||
| 35 | This attribute shows the response to the most recent operation | ||
| 36 | request it acted upon. The format is "<request> <response num> | ||
| 37 | : <response description>". | ||
| 38 | This file is readonly. | ||
| 39 | |||
| 40 | What: /sys/devices/pnp0/<bus-num>/ppi/transition_action | ||
| 41 | Date: August 2012 | ||
| 42 | Contact: xiaoyan.zhang@intel.com | ||
| 43 | Description: | ||
| 44 | This attribute shows the platform-specific action that should | ||
| 45 | take place in order to transition to the BIOS for execution of | ||
| 46 | a requested operation. The format is "<action num>: <action | ||
| 47 | description>". | ||
| 48 | This file is readonly. | ||
| 49 | |||
| 50 | What: /sys/devices/pnp0/<bus-num>/ppi/tcg_operations | ||
| 51 | Date: August 2012 | ||
| 52 | Contact: xiaoyan.zhang@intel.com | ||
| 53 | Description: | ||
| 54 | This attribute shows whether it is allowed to request an | ||
| 55 | operation to be executed in the pre-OS environment by the BIOS | ||
| 56 | for the requests defined by TCG, i.e. requests from 1 to 22. | ||
| 57 | The format is "<request> <status num>: <status description>". | ||
| 58 | This attribute is only supported by PPI version 1.2+. | ||
| 59 | This file is readonly. | ||
| 60 | |||
| 61 | What: /sys/devices/pnp0/<bus-num>/ppi/vs_operations | ||
| 62 | Date: August 2012 | ||
| 63 | Contact: xiaoyan.zhang@intel.com | ||
| 64 | Description: | ||
| 65 | This attribute shows whether it is allowed to request an | ||
| 66 | operation to be executed in the pre-OS environment by the BIOS | ||
| 67 | for the verdor specific requests, i.e. requests from 128 to | ||
| 68 | 255. The format is same with tcg_operations. This attribute | ||
| 69 | is also only supported by PPI version 1.2+. | ||
| 70 | This file is readonly. | ||
| @@ -96,3 +96,16 @@ Contact: "Theodore Ts'o" <tytso@mit.edu> · 95 unmodified lines | |||
| 96 | Description: | 96 | Description: |
| 97 | The maximum number of megabytes the writeback code will | 97 | The maximum number of megabytes the writeback code will |
| 98 | try to write out before move on to another inode. | 98 | try to write out before move on to another inode. |
| 99 | |||
| 100 | What: /sys/fs/ext4/<disk>/extent_max_zeroout_kb | ||
| 101 | Date: August 2012 | ||
| 102 | Contact: "Theodore Ts'o" <tytso@mit.edu> | ||
| 103 | Description: | ||
| 104 | The maximum number of kilobytes which will be zeroed | ||
| 105 | out in preference to creating a new uninitialized | ||
| 106 | extent when manipulating an inode's extent tree. Note | ||
| 107 | that using a larger value will increase the | ||
| 108 | variability of time necessary to complete a random | ||
| 109 | write operation (since a 4k random write might turn | ||
| 110 | into a much larger write due to the zeroout | ||
| 111 | operation). | ||
| @@ -19,7 +19,11 @@ Date: September 2010 · 18 unmodified lines | |||
| 19 | Contact: Richard Cochran <richardcochran@gmail.com> | 19 | Contact: Richard Cochran <richardcochran@gmail.com> |
| 20 | Description: | 20 | Description: |
| 21 | This file contains the name of the PTP hardware clock | 21 | This file contains the name of the PTP hardware clock |
| 22 | as a human readable string. | 22 | as a human readable string. The purpose of this |
| 23 | attribute is to provide the user with a "friendly | ||
| 24 | name" and to help distinguish PHY based devices from | ||
| 25 | MAC based ones. The string does not necessarily have | ||
| 26 | to be any kind of unique id. | ||
| 23 | 27 | ||
| 24 | What: /sys/class/ptp/ptpN/max_adjustment | 28 | What: /sys/class/ptp/ptpN/max_adjustment |
| 25 | Date: September 2010 | 29 | Date: September 2010 |
| @@ -17,3 +17,12 @@ Description: · 16 unmodified lines | |||
| 17 | device, like 'tty1'. | 17 | device, like 'tty1'. |
| 18 | The file supports poll() to detect virtual | 18 | The file supports poll() to detect virtual |
| 19 | console switches. | 19 | console switches. |
| 20 | |||
| 21 | What: /sys/class/tty/ttyS0/uartclk | ||
| 22 | Date: Sep 2012 | ||
| 23 | Contact: Tomas Hlavacek <tmshlvck@gmail.com> | ||
| 24 | Description: | ||
| 25 | Shows the current uartclk value associated with the | ||
| 26 | UART port in serial_core, that is bound to TTY like ttyS0. | ||
| 27 | uartclk = 16 * baud_base | ||
| 28 | |||
| @@ -454,6 +454,16 @@ The preferred style for long (multi-line) comments is: · 453 unmodified lines | |||
| 454 | * with beginning and ending almost-blank lines. | 454 | * with beginning and ending almost-blank lines. |
| 455 | */ | 455 | */ |
| 456 | 456 | ||
| 457 | For files in net/ and drivers/net/ the preferred style for long (multi-line) | ||
| 458 | comments is a little different. | ||
| 459 | |||
| 460 | /* The preferred comment style for files in net/ and drivers/net | ||
| 461 | * looks like this. | ||
| 462 | * | ||
| 463 | * It is nearly the same as the generally preferred comment style, | ||
| 464 | * but there is no initial almost-blank line. | ||
| 465 | */ | ||
| 466 | |||
| 457 | It's also important to comment data, whether they are basic types or derived | 467 | It's also important to comment data, whether they are basic types or derived |
| 458 | types. To this end, use just one data declaration per line (no commas for | 468 | types. To this end, use just one data declaration per line (no commas for |
| 459 | multiple data declarations). This leaves you room for a small comment on each | 469 | multiple data declarations). This leaves you room for a small comment on each |
| @@ -6,11 +6,36 @@ · 5 unmodified lines | |||
| 6 | <bookinfo> | 6 | <bookinfo> |
| 7 | <title>Linux DRM Developer's Guide</title> | 7 | <title>Linux DRM Developer's Guide</title> |
| 8 | 8 | ||
| 9 | <authorgroup> | ||
| 10 | <author> | ||
| 11 | <firstname>Jesse</firstname> | ||
| 12 | <surname>Barnes</surname> | ||
| 13 | <contrib>Initial version</contrib> | ||
| 14 | <affiliation> | ||
| 15 | <orgname>Intel Corporation</orgname> | ||
| 16 | <address> | ||
| 17 | <email>jesse.barnes@intel.com</email> | ||
| 18 | </address> | ||
| 19 | </affiliation> | ||
| 20 | </author> | ||
| 21 | <author> | ||
| 22 | <firstname>Laurent</firstname> | ||
| 23 | <surname>Pinchart</surname> | ||
| 24 | <contrib>Driver internals</contrib> | ||
| 25 | <affiliation> | ||
| 26 | <orgname>Ideas on board SPRL</orgname> | ||
| 27 | <address> | ||
| 28 | <email>laurent.pinchart@ideasonboard.com</email> | ||
| 29 | </address> | ||
| 30 | </affiliation> | ||
| 31 | </author> | ||
| 32 | </authorgroup> | ||
| 33 | |||
| 9 | <copyright> | 34 | <copyright> |
| 10 | <year>2008-2009</year> | 35 | <year>2008-2009</year> |
| 11 | <holder> | 36 | <year>2012</year> |
| 12 | Intel Corporation (Jesse Barnes <jesse.barnes@intel.com>) | 37 | <holder>Intel Corporation</holder> |
| 13 | </holder> | 38 | <holder>Laurent Pinchart</holder> |
| 14 | </copyright> | 39 | </copyright> |
| 15 | 40 | ||
| 16 | <legalnotice> | 41 | <legalnotice> |
| @@ -20,6 +45,17 @@ · 3 unmodified lines | |||
| 20 | the kernel source COPYING file. | 45 | the kernel source COPYING file. |
| 21 | </para> | 46 | </para> |
| 22 | </legalnotice> | 47 | </legalnotice> |
| 48 | |||
| 49 | <revhistory> | ||
| 50 | <!-- Put document revisions here, newest first. --> | ||
| 51 | <revision> | ||
| 52 | <revnumber>1.0</revnumber> | ||
| 53 | <date>2012-07-13</date> | ||
| 54 | <authorinitials>LP</authorinitials> | ||
| 55 | <revremark>Added extensive documentation about driver internals. | ||
| 56 | </revremark> | ||
| 57 | </revision> | ||
| 58 | </revhistory> | ||
| 23 | </bookinfo> | 59 | </bookinfo> |
| 24 | 60 | ||
| 25 | <toc></toc> | 61 | <toc></toc> |
| @@ -72,342 +108,361 @@ · 46 unmodified lines | |||
| 72 | submission & fencing, suspend/resume support, and DMA | 108 | submission & fencing, suspend/resume support, and DMA |
| 73 | services. | 109 | services. |
| 74 | </para> | 110 | </para> |
| 75 | <para> | ||
| 76 | The core of every DRM driver is struct drm_driver. Drivers | ||
| 77 | typically statically initialize a drm_driver structure, | ||
| 78 | then pass it to drm_init() at load time. | ||
| 79 | </para> | ||
| 80 | 111 | ||
| 81 | <!-- Internals: driver init --> | 112 | <!-- Internals: driver init --> |
| 82 | 113 | ||
| 83 | <sect1> | 114 | <sect1> |
| 84 | <title>Driver initialization</title> | 115 | <title>Driver Initialization</title> |
| 85 | <para> | 116 | <para> |
| 86 | Before calling the DRM initialization routines, the driver must | 117 | At the core of every DRM driver is a <structname>drm_driver</structname> |
| 87 | first create and fill out a struct drm_driver structure. | 118 | structure. Drivers typically statically initialize a drm_driver structure, |
| 88 | </para> | 119 | and then pass it to one of the <function>drm_*_init()</function> functions |
| 89 | <programlisting> | 120 | to register it with the DRM subsystem. |
| 90 | static struct drm_driver driver = { | ||
| 91 | /* Don't use MTRRs here; the Xserver or userspace app should | ||
| 92 | * deal with them for Intel hardware. | ||
| 93 | */ | ||
| 94 | .driver_features = | ||
| 95 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | | ||
| 96 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_MODESET, | ||
| 97 | .load = i915_driver_load, | ||
| 98 | .unload = i915_driver_unload, | ||
| 99 | .firstopen = i915_driver_firstopen, | ||
| 100 | .lastclose = i915_driver_lastclose, | ||
| 101 | .preclose = i915_driver_preclose, | ||
| 102 | .save = i915_save, | ||
| 103 | .restore = i915_restore, | ||
| 104 | .device_is_agp = i915_driver_device_is_agp, | ||
| 105 | .get_vblank_counter = i915_get_vblank_counter, | ||
| 106 | .enable_vblank = i915_enable_vblank, | ||
| 107 | .disable_vblank = i915_disable_vblank, | ||
| 108 | .irq_preinstall = i915_driver_irq_preinstall, | ||
| 109 | .irq_postinstall = i915_driver_irq_postinstall, | ||
| 110 | .irq_uninstall = i915_driver_irq_uninstall, | ||
| 111 | .irq_handler = i915_driver_irq_handler, | ||
| 112 | .reclaim_buffers = drm_core_reclaim_buffers, | ||
| 113 | .get_map_ofs = drm_core_get_map_ofs, | ||
| 114 | .get_reg_ofs = drm_core_get_reg_ofs, | ||
| 115 | .fb_probe = intelfb_probe, | ||
| 116 | .fb_remove = intelfb_remove, | ||
| 117 | .fb_resize = intelfb_resize, | ||
| 118 | .master_create = i915_master_create, | ||
| 119 | .master_destroy = i915_master_destroy, | ||
| 120 | #if defined(CONFIG_DEBUG_FS) | ||
| 121 | .debugfs_init = i915_debugfs_init, | ||
| 122 | .debugfs_cleanup = i915_debugfs_cleanup, | ||
| 123 | #endif | ||
| 124 | .gem_init_object = i915_gem_init_object, | ||
| 125 | .gem_free_object = i915_gem_free_object, | ||
| 126 | .gem_vm_ops = &i915_gem_vm_ops, | ||
| 127 | .ioctls = i915_ioctls, | ||
| 128 | .fops = { | ||
| 129 | .owner = THIS_MODULE, | ||
| 130 | .open = drm_open, | ||
| 131 | .release = drm_release, | ||
| 132 | .ioctl = drm_ioctl, | ||
| 133 | .mmap = drm_mmap, | ||
| 134 | .poll = drm_poll, | ||
| 135 | .fasync = drm_fasync, | ||
| 136 | #ifdef CONFIG_COMPAT | ||
| 137 | .compat_ioctl = i915_compat_ioctl, | ||
| 138 | #endif | ||
| 139 | .llseek = noop_llseek, | ||
| 140 | }, | ||
| 141 | .pci_driver = { | ||
| 142 | .name = DRIVER_NAME, | ||
| 143 | .id_table = pciidlist, | ||
| 144 | .probe = probe, | ||
| 145 | .remove = __devexit_p(drm_cleanup_pci), | ||
| 146 | }, | ||
| 147 | .name = DRIVER_NAME, | ||
| 148 | .desc = DRIVER_DESC, | ||
| 149 | .date = DRIVER_DATE, | ||
| 150 | .major = DRIVER_MAJOR, | ||
| 151 | .minor = DRIVER_MINOR, | ||
| 152 | .patchlevel = DRIVER_PATCHLEVEL, | ||
| 153 | }; | ||
| 154 | </programlisting> | ||
| 155 | <para> | ||
| 156 | In the example above, taken from the i915 DRM driver, the driver | ||
| 157 | sets several flags indicating what core features it supports; | ||
| 158 | we go over the individual callbacks in later sections. Since | ||
| 159 | flags indicate which features your driver supports to the DRM | ||
| 160 | core, you need to set most of them prior to calling drm_init(). Some, | ||
| 161 | like DRIVER_MODESET can be set later based on user supplied parameters, | ||
| 162 | but that's the exception rather than the rule. | ||
| 163 | </para> | ||
| 164 | <variablelist> | ||
| 165 | <title>Driver flags</title> | ||
| 166 | <varlistentry> | ||
| 167 | <term>DRIVER_USE_AGP</term> | ||
| 168 | <listitem><para> | ||
| 169 | Driver uses AGP interface | ||
| 170 | </para></listitem> | ||
| 171 | </varlistentry> | ||
| 172 | <varlistentry> | ||
| 173 | <term>DRIVER_REQUIRE_AGP</term> | ||
| 174 | <listitem><para> | ||
| 175 | Driver needs AGP interface to function. | ||
| 176 | </para></listitem> | ||
| 177 | </varlistentry> | ||
| 178 | <varlistentry> | ||
| 179 | <term>DRIVER_USE_MTRR</term> | ||
| 180 | <listitem> | ||
| 181 | <para> | ||
| 182 | Driver uses MTRR interface for mapping memory. Deprecated. | ||
| 183 | </para> | ||
| 184 | </listitem> | ||
| 185 | </varlistentry> | ||
| 186 | <varlistentry> | ||
| 187 | <term>DRIVER_PCI_DMA</term> | ||
| 188 | <listitem><para> | ||
| 189 | Driver is capable of PCI DMA. Deprecated. | ||
| 190 | </para></listitem> | ||
| 191 | </varlistentry> | ||
| 192 | <varlistentry> | ||
| 193 | <term>DRIVER_SG</term> | ||
| 194 | <listitem><para> | ||
| 195 | Driver can perform scatter/gather DMA. Deprecated. | ||
| 196 | </para></listitem> | ||
| 197 | </varlistentry> | ||
| 198 | <varlistentry> | ||
| 199 | <term>DRIVER_HAVE_DMA</term> | ||
| 200 | <listitem><para>Driver supports DMA. Deprecated.</para></listitem> | ||
| 201 | </varlistentry> | ||
| 202 | <varlistentry> | ||
| 203 | <term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term> | ||
| 204 | <listitem> | ||
| 205 | <para> | ||
| 206 | DRIVER_HAVE_IRQ indicates whether the driver has an IRQ | ||
| 207 | handler. DRIVER_IRQ_SHARED indicates whether the device & | ||
| 208 | handler support shared IRQs (note that this is required of | ||
| 209 | PCI drivers). | ||
| 210 | </para> | ||
| 211 | </listitem> | ||
| 212 | </varlistentry> | ||
| 213 | <varlistentry> | ||
| 214 | <term>DRIVER_DMA_QUEUE</term> | ||
| 215 | <listitem> | ||
| 216 | <para> | ||
| 217 | Should be set if the driver queues DMA requests and completes them | ||
| 218 | asynchronously. Deprecated. | ||
| 219 | </para> | ||
| 220 | </listitem> | ||
| 221 | </varlistentry> | ||
| 222 | <varlistentry> | ||
| 223 | <term>DRIVER_FB_DMA</term> | ||
| 224 | <listitem> | ||
| 225 | <para> | ||
| 226 | Driver supports DMA to/from the framebuffer. Deprecated. | ||
| 227 | </para> | ||
| 228 | </listitem> | ||
| 229 | </varlistentry> | ||
| 230 | <varlistentry> | ||
| 231 | <term>DRIVER_MODESET</term> | ||
| 232 | <listitem> | ||
| 233 | <para> | ||
| 234 | Driver supports mode setting interfaces. | ||
| 235 | </para> | ||
| 236 | </listitem> | ||
| 237 | </varlistentry> | ||
| 238 | </variablelist> | ||
| 239 | <para> | ||
| 240 | In this specific case, the driver requires AGP and supports | ||
| 241 | IRQs. DMA, as discussed later, is handled by device-specific ioctls | ||
| 242 | in this case. It also supports the kernel mode setting APIs, though | ||
| 243 | unlike in the actual i915 driver source, this example unconditionally | ||
| 244 | exports KMS capability. | ||
| 245 | </para> | 121 | </para> |
| 246 | </sect1> | 122 | <para> |
| 247 | 123 | The <structname>drm_driver</structname> structure contains static | |
| 248 | <!-- Internals: driver load --> | 124 | information that describes the driver and features it supports, and |
| 249 | 125 | pointers to methods that the DRM core will call to implement the DRM API. | |
| 250 | <sect1> | 126 | We will first go through the <structname>drm_driver</structname> static |
| 251 | <title>Driver load</title> | 127 | information fields, and will then describe individual operations in |
| 252 | <para> | 128 | details as they get used in later sections. |
| 253 | In the previous section, we saw what a typical drm_driver | ||
| 254 | structure might look like. One of the more important fields in | ||
| 255 | the structure is the hook for the load function. | ||
| 256 | </para> | ||
| 257 | <programlisting> | ||
| 258 | static struct drm_driver driver = { | ||
| 259 | ... | ||
| 260 | .load = i915_driver_load, | ||
| 261 | ... | ||
| 262 | }; | ||
| 263 | </programlisting> | ||
| 264 | <para> | ||
| 265 | The load function has many responsibilities: allocating a driver | ||
| 266 | private structure, specifying supported performance counters, | ||
| 267 | configuring the device (e.g. mapping registers & command | ||
| 268 | buffers), initializing the memory manager, and setting up the | ||
| 269 | initial output configuration. | ||
| 270 | </para> | ||
| 271 | <para> | ||
| 272 | If compatibility is a concern (e.g. with drivers converted over | ||
| 273 | to the new interfaces from the old ones), care must be taken to | ||
| 274 | prevent device initialization and control that is incompatible with | ||
| 275 | currently active userspace drivers. For instance, if user | ||
| 276 | level mode setting drivers are in use, it would be problematic | ||
| 277 | to perform output discovery & configuration at load time. | ||
| 278 | Likewise, if user-level drivers unaware of memory management are | ||
| 279 | in use, memory management and command buffer setup may need to | ||
| 280 | be omitted. These requirements are driver-specific, and care | ||
| 281 | needs to be taken to keep both old and new applications and | ||
| 282 | libraries working. The i915 driver supports the "modeset" | ||
| 283 | module parameter to control whether advanced features are | ||
| 284 | enabled at load time or in legacy fashion. | ||
| 285 | </para> | 129 | </para> |
| 286 | |||
| 287 | <sect2> | 130 | <sect2> |
| 288 | <title>Driver private & performance counters</title> | 131 | <title>Driver Information</title> |
| 289 | <para> | 132 | <sect3> |
| 290 | The driver private hangs off the main drm_device structure and | 133 | <title>Driver Features</title> |
| 291 | can be used for tracking various device-specific bits of | 134 | <para> |
| 292 | information, like register offsets, command buffer status, | 135 | Drivers inform the DRM core about their requirements and supported |
| 293 | register state for suspend/resume, etc. At load time, a | 136 | features by setting appropriate flags in the |
| 294 | driver may simply allocate one and set drm_device.dev_priv | 137 | <structfield>driver_features</structfield> field. Since those flags |
| 295 | appropriately; it should be freed and drm_device.dev_priv set | 138 | influence the DRM core behaviour since registration time, most of them |
| 296 | to NULL when the driver is unloaded. | 139 | must be set to registering the <structname>drm_driver</structname> |
| 297 | </para> | 140 | instance. |
| 141 | </para> | ||
| 142 | <synopsis>u32 driver_features;</synopsis> | ||
| 143 | <variablelist> | ||
| 144 | <title>Driver Feature Flags</title> | ||
| 145 | <varlistentry> | ||
| 146 | <term>DRIVER_USE_AGP</term> | ||
| 147 | <listitem><para> | ||
| 148 | Driver uses AGP interface, the DRM core will manage AGP resources. | ||
| 149 | </para></listitem> | ||
| 150 | </varlistentry> | ||
| 151 | <varlistentry> | ||
| 152 | <term>DRIVER_REQUIRE_AGP</term> | ||
| 153 | <listitem><para> | ||
| 154 | Driver needs AGP interface to function. AGP initialization failure | ||
| 155 | will become a fatal error. | ||
| 156 | </para></listitem> | ||
| 157 | </varlistentry> | ||
| 158 | <varlistentry> | ||
| 159 | <term>DRIVER_USE_MTRR</term> | ||
| 160 | <listitem><para> | ||
| 161 | Driver uses MTRR interface for mapping memory, the DRM core will | ||
| 162 | manage MTRR resources. Deprecated. | ||
| 163 | </para></listitem> | ||
| 164 | </varlistentry> | ||
| 165 | <varlistentry> | ||
| 166 | <term>DRIVER_PCI_DMA</term> | ||
| 167 | <listitem><para> | ||
| 168 | Driver is capable of PCI DMA, mapping of PCI DMA buffers to | ||
| 169 | userspace will be enabled. Deprecated. | ||
| 170 | </para></listitem> | ||
| 171 | </varlistentry> | ||
| 172 | <varlistentry> | ||
| 173 | <term>DRIVER_SG</term> | ||
| 174 | <listitem><para> | ||
| 175 | Driver can perform scatter/gather DMA, allocation and mapping of | ||
| 176 | scatter/gather buffers will be enabled. Deprecated. | ||
| 177 | </para></listitem> | ||
| 178 | </varlistentry> | ||
| 179 | <varlistentry> | ||
| 180 | <term>DRIVER_HAVE_DMA</term> | ||
| 181 | <listitem><para> | ||
| 182 | Driver supports DMA, the userspace DMA API will be supported. | ||
| 183 | Deprecated. | ||
| 184 | </para></listitem> | ||
| 185 | </varlistentry> | ||
| 186 | <varlistentry> | ||
| 187 | <term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term> | ||
| 188 | <listitem><para> | ||
| 189 | DRIVER_HAVE_IRQ indicates whether the driver has an IRQ handler. The | ||
| 190 | DRM core will automatically register an interrupt handler when the | ||
| 191 | flag is set. DRIVER_IRQ_SHARED indicates whether the device & | ||
| 192 | handler support shared IRQs (note that this is required of PCI | ||
| 193 | drivers). | ||
| 194 | </para></listitem> | ||
| 195 | </varlistentry> | ||
| 196 | <varlistentry> | ||
| 197 | <term>DRIVER_IRQ_VBL</term> | ||
| 198 | <listitem><para>Unused. Deprecated.</para></listitem> | ||
| 199 | </varlistentry> | ||
| 200 | <varlistentry> | ||
| 201 | <term>DRIVER_DMA_QUEUE</term> | ||
| 202 | <listitem><para> | ||
| 203 | Should be set if the driver queues DMA requests and completes them | ||
| 204 | asynchronously. Deprecated. | ||
| 205 | </para></listitem> | ||
| 206 | </varlistentry> | ||
| 207 | <varlistentry> | ||
| 208 | <term>DRIVER_FB_DMA</term> | ||
| 209 | <listitem><para> | ||
| 210 | Driver supports DMA to/from the framebuffer, mapping of frambuffer | ||
| 211 | DMA buffers to userspace will be supported. Deprecated. | ||
| 212 | </para></listitem> | ||
| 213 | </varlistentry> | ||
| 214 | <varlistentry> | ||
| 215 | <term>DRIVER_IRQ_VBL2</term> | ||
| 216 | <listitem><para>Unused. Deprecated.</para></listitem> | ||
| 217 | </varlistentry> | ||
| 218 | <varlistentry> | ||
| 219 | <term>DRIVER_GEM</term> | ||
| 220 | <listitem><para> | ||
| 221 | Driver use the GEM memory manager. | ||
| 222 | </para></listitem> | ||
| 223 | </varlistentry> | ||
| 224 | <varlistentry> | ||
| 225 | <term>DRIVER_MODESET</term> | ||
| 226 | <listitem><para> | ||
| 227 | Driver supports mode setting interfaces (KMS). | ||
| 228 | </para></listitem> | ||
| 229 | </varlistentry> | ||
| 230 | <varlistentry> | ||
| 231 | <term>DRIVER_PRIME</term> | ||
| 232 | <listitem><para> | ||
| 233 | Driver implements DRM PRIME buffer sharing. | ||
| 234 | </para></listitem> | ||
| 235 | </varlistentry> | ||
| 236 | </variablelist> | ||
| 237 | </sect3> | ||
| 238 | <sect3> | ||
| 239 | <title>Major, Minor and Patchlevel</title> | ||
| 240 | <synopsis>int major; | ||
| 241 | int minor; | ||
| 242 | int patchlevel;</synopsis> | ||
| 243 | <para> | ||
| 244 | The DRM core identifies driver versions by a major, minor and patch | ||
| 245 | level triplet. The information is printed to the kernel log at | ||
| 246 | initialization time and passed to userspace through the | ||
| 247 | DRM_IOCTL_VERSION ioctl. | ||
| 248 | </para> | ||
| 249 | <para> | ||
| 250 | The major and minor numbers are also used to verify the requested driver | ||
| 251 | API version passed to DRM_IOCTL_SET_VERSION. When the driver API changes | ||
| 252 | between minor versions, applications can call DRM_IOCTL_SET_VERSION to | ||
| 253 | select a specific version of the API. If the requested major isn't equal | ||
| 254 | to the driver major, or the requested minor is larger than the driver | ||
| 255 | minor, the DRM_IOCTL_SET_VERSION call will return an error. Otherwise | ||
| 256 | the driver's set_version() method will be called with the requested | ||
| 257 | version. | ||
| 258 | </para> | ||
| 259 | </sect3> | ||
| 260 | <sect3> | ||
| 261 | <title>Name, Description and Date</title> | ||
| 262 | <synopsis>char *name; | ||
| 263 | char *desc; | ||
| 264 | char *date;</synopsis> | ||
| 265 | <para> | ||
| 266 | The driver name is printed to the kernel log at initialization time, | ||
| 267 | used for IRQ registration and passed to userspace through | ||
| 268 | DRM_IOCTL_VERSION. | ||
| 269 | </para> | ||
| 270 | <para> | ||
| 271 | The driver description is a purely informative string passed to | ||
| 272 | userspace through the DRM_IOCTL_VERSION ioctl and otherwise unused by | ||
| 273 | the kernel. | ||
| 274 | </para> | ||
| 275 | <para> | ||
| 276 | The driver date, formatted as YYYYMMDD, is meant to identify the date of | ||
| 277 | the latest modification to the driver. However, as most drivers fail to | ||
| 278 | update it, its value is mostly useless. The DRM core prints it to the | ||
| 279 | kernel log at initialization time and passes it to userspace through the | ||
| 280 | DRM_IOCTL_VERSION ioctl. | ||
| 281 | </para> | ||
| 282 | </sect3> | ||
| 283 | </sect2> | ||
| 284 | <sect2> | ||
| 285 | <title>Driver Load</title> | ||
| 298 | <para> | 286 | <para> |
| 299 | The DRM supports several counters which may be used for rough | 287 | The <methodname>load</methodname> method is the driver and device |
| 300 | performance characterization. Note that the DRM stat counter | 288 | initialization entry point. The method is responsible for allocating and |
| 301 | system is not often used by applications, and supporting | 289 | initializing driver private data, specifying supported performance |
| 302 | additional counters is completely optional. | 290 | counters, performing resource allocation and mapping (e.g. acquiring |
| 291 | clocks, mapping registers or allocating command buffers), initializing | ||
| 292 | the memory manager (<xref linkend="drm-memory-management"/>), installing | ||
| 293 | the IRQ handler (<xref linkend="drm-irq-registration"/>), setting up | ||
| 294 | vertical blanking handling (<xref linkend="drm-vertical-blank"/>), mode | ||
| 295 | setting (<xref linkend="drm-mode-setting"/>) and initial output | ||
| 296 | configuration (<xref linkend="drm-kms-init"/>). | ||
| 303 | </para> | 297 | </para> |
| 298 | <note><para> | ||
| 299 | If compatibility is a concern (e.g. with drivers converted over from | ||
| 300 | User Mode Setting to Kernel Mode Setting), care must be taken to prevent | ||
| 301 | device initialization and control that is incompatible with currently | ||
| 302 | active userspace drivers. For instance, if user level mode setting | ||
| 303 | drivers are in use, it would be problematic to perform output discovery | ||
| 304 | & configuration at load time. Likewise, if user-level drivers | ||
| 305 | unaware of memory management are in use, memory management and command | ||
| 306 | buffer setup may need to be omitted. These requirements are | ||
| 307 | driver-specific, and care needs to be taken to keep both old and new | ||
| 308 | applications and libraries working. | ||
| 309 | </para></note> | ||
| 310 | <synopsis>int (*load) (struct drm_device *, unsigned long flags);</synopsis> | ||
| 304 | <para> | 311 | <para> |
| 305 | These interfaces are deprecated and should not be used. If performance | 312 | The method takes two arguments, a pointer to the newly created |
| 306 | monitoring is desired, the developer should investigate and | 313 | <structname>drm_device</structname> and flags. The flags are used to |
| 307 | potentially enhance the kernel perf and tracing infrastructure to export | 314 | pass the <structfield>driver_data</structfield> field of the device id |
| 308 | GPU related performance information for consumption by performance | 315 | corresponding to the device passed to <function>drm_*_init()</function>. |
| 309 | monitoring tools and applications. | 316 | Only PCI devices currently use this, USB and platform DRM drivers have |
| 317 | their <methodname>load</methodname> method called with flags to 0. | ||
| 310 | </para> | 318 | </para> |
| 319 | <sect3> | ||
| 320 | <title>Driver Private & Performance Counters</title> | ||
| 321 | <para> | ||
| 322 | The driver private hangs off the main | ||
| 323 | <structname>drm_device</structname> structure and can be used for | ||
| 324 | tracking various device-specific bits of information, like register | ||
| 325 | offsets, command buffer status, register state for suspend/resume, etc. | ||
| 326 | At load time, a driver may simply allocate one and set | ||
| 327 | <structname>drm_device</structname>.<structfield>dev_priv</structfield> | ||
| 328 | appropriately; it should be freed and | ||
| 329 | <structname>drm_device</structname>.<structfield>dev_priv</structfield> | ||
| 330 | set to NULL when the driver is unloaded. | ||
| 331 | </para> | ||
| 332 | <para> | ||
| 333 | DRM supports several counters which were used for rough performance | ||
| 334 | characterization. This stat counter system is deprecated and should not | ||
| 335 | be used. If performance monitoring is desired, the developer should | ||
| 336 | investigate and potentially enhance the kernel perf and tracing | ||
| 337 | infrastructure to export GPU related performance information for | ||
| 338 | consumption by performance monitoring tools and applications. | ||
| 339 | </para> | ||
| 340 | </sect3> | ||
| 341 | <sect3 id="drm-irq-registration"> | ||
| 342 | <title>IRQ Registration</title> | ||
| 343 | <para> | ||
| 344 | The DRM core tries to facilitate IRQ handler registration and | ||
| 345 | unregistration by providing <function>drm_irq_install</function> and | ||
| 346 | <function>drm_irq_uninstall</function> functions. Those functions only | ||
| 347 | support a single interrupt per device. | ||
| 348 | </para> | ||
| 349 | <!--!Fdrivers/char/drm/drm_irq.c drm_irq_install--> | ||
| 350 | <para> | ||
| 351 | Both functions get the device IRQ by calling | ||
| 352 | <function>drm_dev_to_irq</function>. This inline function will call a | ||
| 353 | bus-specific operation to retrieve the IRQ number. For platform devices, | ||
| 354 | <function>platform_get_irq</function>(..., 0) is used to retrieve the | ||
| 355 | IRQ number. | ||
| 356 | </para> | ||
| 357 | <para> | ||
| 358 | <function>drm_irq_install</function> starts by calling the | ||
| 359 | <methodname>irq_preinstall</methodname> driver operation. The operation | ||
| 360 | is optional and must make sure that the interrupt will not get fired by | ||
| 361 | clearing all pending interrupt flags or disabling the interrupt. | ||
| 362 | </para> | ||
| 363 | <para> | ||
| 364 | The IRQ will then be requested by a call to | ||
| 365 | <function>request_irq</function>. If the DRIVER_IRQ_SHARED driver | ||
| 366 | feature flag is set, a shared (IRQF_SHARED) IRQ handler will be | ||
| 367 | requested. | ||
| 368 | </para> | ||
| 369 | <para> | ||
| 370 | The IRQ handler function must be provided as the mandatory irq_handler | ||
| 371 | driver operation. It will get passed directly to | ||
| 372 | <function>request_irq</function> and thus has the same prototype as all | ||
| 373 | IRQ handlers. It will get called with a pointer to the DRM device as the | ||
| 374 | second argument. | ||
| 375 | </para> | ||
| 376 | <para> | ||
| 377 | Finally the function calls the optional | ||
| 378 | <methodname>irq_postinstall</methodname> driver operation. The operation | ||
| 379 | usually enables interrupts (excluding the vblank interrupt, which is | ||
| 380 | enabled separately), but drivers may choose to enable/disable interrupts | ||
| 381 | at a different time. | ||
| 382 | </para> | ||
| 383 | <para> | ||
| 384 | <function>drm_irq_uninstall</function> is similarly used to uninstall an | ||
| 385 | IRQ handler. It starts by waking up all processes waiting on a vblank | ||
| 386 | interrupt to make sure they don't hang, and then calls the optional | ||
| 387 | <methodname>irq_uninstall</methodname> driver operation. The operation | ||
| 388 | must disable all hardware interrupts. Finally the function frees the IRQ | ||
| 389 | by calling <function>free_irq</function>. | ||
| 390 | </para> | ||
| 391 | </sect3> | ||
| 392 | <sect3> | ||
| 393 | <title>Memory Manager Initialization</title> | ||
| 394 | <para> | ||
| 395 | Every DRM driver requires a memory manager which must be initialized at | ||
| 396 | load time. DRM currently contains two memory managers, the Translation | ||
| 397 | Table Manager (TTM) and the Graphics Execution Manager (GEM). | ||
| 398 | This document describes the use of the GEM memory manager only. See | ||
| 399 | <xref linkend="drm-memory-management"/> for details. | ||
| 400 | </para> | ||
| 401 | </sect3> | ||
| 402 | <sect3> | ||
| 403 | <title>Miscellaneous Device Configuration</title> | ||
| 404 | <para> | ||
| 405 | Another task that may be necessary for PCI devices during configuration | ||
| 406 | is mapping the video BIOS. On many devices, the VBIOS describes device | ||
| 407 | configuration, LCD panel timings (if any), and contains flags indicating | ||
| 408 | device state. Mapping the BIOS can be done using the pci_map_rom() call, | ||
| 409 | a convenience function that takes care of mapping the actual ROM, | ||
| 410 | whether it has been shadowed into memory (typically at address 0xc0000) | ||
| 411 | or exists on the PCI device in the ROM BAR. Note that after the ROM has | ||
| 412 | been mapped and any necessary information has been extracted, it should | ||
| 413 | be unmapped; on many devices, the ROM address decoder is shared with | ||
| 414 | other BARs, so leaving it mapped could cause undesired behaviour like | ||
| 415 | hangs or memory corruption. | ||
| 416 | <!--!Fdrivers/pci/rom.c pci_map_rom--> | ||
| 417 | </para> | ||
| 418 | </sect3> | ||
| 311 | </sect2> | 419 | </sect2> |
| 420 | </sect1> | ||
| 312 | 421 | ||
| 313 | <sect2> | 422 | <!-- Internals: memory management --> |
| 314 | <title>Configuring the device</title> | ||
| 315 | <para> | ||
| 316 | Obviously, device configuration is device-specific. | ||
| 317 | However, there are several common operations: finding a | ||
| 318 | device's PCI resources, mapping them, and potentially setting | ||
| 319 | up an IRQ handler. | ||
| 320 | </para> | ||
| 321 | <para> | ||
| 322 | Finding & mapping resources is fairly straightforward. The | ||
| 323 | DRM wrapper functions, drm_get_resource_start() and | ||
| 324 | drm_get_resource_len(), may be used to find BARs on the given | ||
| 325 | drm_device struct. Once those values have been retrieved, the | ||
| 326 | driver load function can call drm_addmap() to create a new | ||
| 327 | mapping for the BAR in question. Note that you probably want a | ||
| 328 | drm_local_map_t in your driver private structure to track any | ||
| 329 | mappings you create. | ||
| 330 | <!-- !Fdrivers/gpu/drm/drm_bufs.c drm_get_resource_* --> | ||
| 331 | <!-- !Finclude/drm/drmP.h drm_local_map_t --> | ||
| 332 | </para> | ||
| 333 | <para> | ||
| 334 | if compatibility with other operating systems isn't a concern | ||
| 335 | (DRM drivers can run under various BSD variants and OpenSolaris), | ||
| 336 | native Linux calls may be used for the above, e.g. pci_resource_* | ||
| 337 | and iomap*/iounmap. See the Linux device driver book for more | ||
| 338 | info. | ||
| 339 | </para> | ||
| 340 | <para> | ||
| 341 | Once you have a register map, you may use the DRM_READn() and | ||
| 342 | DRM_WRITEn() macros to access the registers on your device, or | ||
| 343 | use driver-specific versions to offset into your MMIO space | ||
| 344 | relative to a driver-specific base pointer (see I915_READ for | ||
| 345 | an example). | ||
| 346 | </para> | ||
| 347 | <para> | ||
| 348 | If your device supports interrupt generation, you may want to | ||
| 349 | set up an interrupt handler when the driver is loaded. This | ||
| 350 | is done using the drm_irq_install() function. If your device | ||
| 351 | supports vertical blank interrupts, it should call | ||
| 352 | drm_vblank_init() to initialize the core vblank handling code before | ||
| 353 | enabling interrupts on your device. This ensures the vblank related | ||
| 354 | structures are allocated and allows the core to handle vblank events. | ||
| 355 | </para> | ||
| 356 | <!--!Fdrivers/char/drm/drm_irq.c drm_irq_install--> | ||
| 357 | <para> | ||
| 358 | Once your interrupt handler is registered (it uses your | ||
| 359 | drm_driver.irq_handler as the actual interrupt handling | ||
| 360 | function), you can safely enable interrupts on your device, | ||
| 361 | assuming any other state your interrupt handler uses is also | ||
| 362 | initialized. | ||
| 363 | </para> | ||
| 364 | <para> | ||
| 365 | Another task that may be necessary during configuration is | ||
| 366 | mapping the video BIOS. On many devices, the VBIOS describes | ||
| 367 | device configuration, LCD panel timings (if any), and contains | ||
| 368 | flags indicating device state. Mapping the BIOS can be done | ||
| 369 | using the pci_map_rom() call, a convenience function that | ||
| 370 | takes care of mapping the actual ROM, whether it has been | ||
| 371 | shadowed into memory (typically at address 0xc0000) or exists | ||
| 372 | on the PCI device in the ROM BAR. Note that after the ROM | ||
| 373 | has been mapped and any necessary information has been extracted, | ||
| 374 | it should be unmapped; on many devices, the ROM address decoder is | ||
| 375 | shared with other BARs, so leaving it mapped could cause | ||
| 376 | undesired behavior like hangs or memory corruption. | ||
| 377 | <!--!Fdrivers/pci/rom.c pci_map_rom--> | ||
| 378 | </para> | ||
| 379 | </sect2> | ||
| 380 | 423 | ||
| 424 | <sect1 id="drm-memory-management"> | ||
| 425 | <title>Memory management</title> | ||
| 426 | <para> | ||
| 427 | Modern Linux systems require large amount of graphics memory to store | ||
| 428 | frame buffers, textures, vertices and other graphics-related data. Given | ||
| 429 | the very dynamic nature of many of that data, managing graphics memory | ||
| 430 | efficiently is thus crucial for the graphics stack and plays a central | ||
| 431 | role in the DRM infrastructure. | ||
| 432 | </para> | ||
| 433 | <para> | ||
| 434 | The DRM core includes two memory managers, namely Translation Table Maps | ||
| 435 | (TTM) and Graphics Execution Manager (GEM). TTM was the first DRM memory | ||
| 436 | manager to be developed and tried to be a one-size-fits-them all | ||
| 437 | solution. It provides a single userspace API to accomodate the need of | ||
| 438 | all hardware, supporting both Unified Memory Architecture (UMA) devices | ||
| 439 | and devices with dedicated video RAM (i.e. most discrete video cards). | ||
| 440 | This resulted in a large, complex piece of code that turned out to be | ||
| 441 | hard to use for driver development. | ||
| 442 | </para> | ||
| 443 | <para> | ||
| 444 | GEM started as an Intel-sponsored project in reaction to TTM's | ||
| 445 | complexity. Its design philosophy is completely different: instead of | ||
| 446 | providing a solution to every graphics memory-related problems, GEM | ||
| 447 | identified common code between drivers and created a support library to | ||
| 448 | share it. GEM has simpler initialization and execution requirements than | ||
| 449 | TTM, but has no video RAM management capabitilies and is thus limited to | ||
| 450 | UMA devices. | ||
| 451 | </para> | ||
| 381 | <sect2> | 452 | <sect2> |
| 382 | <title>Memory manager initialization</title> | 453 | <title>The Translation Table Manager (TTM)</title> |
| 383 | <para> | ||
| 384 | In order to allocate command buffers, cursor memory, scanout | ||
| 385 | buffers, etc., as well as support the latest features provided | ||
| 386 | by packages like Mesa and the X.Org X server, your driver | ||
| 387 | should support a memory manager. | ||
| 388 | </para> | ||
| 389 | <para> | 454 | <para> |
| 390 | If your driver supports memory management (it should!), you | 455 | TTM design background and information belongs here. |
| 391 | need to set that up at load time as well. How you initialize | ||
| 392 | it depends on which memory manager you're using: TTM or GEM. | ||
| 393 | </para> | 456 | </para> |
| 394 | <sect3> | 457 | <sect3> |
| 395 | <title>TTM initialization</title> | 458 | <title>TTM initialization</title> |
| 396 | <para> | 459 | <warning><para>This section is outdated.</para></warning> |
| 397 | TTM (for Translation Table Manager) manages video memory and | 460 | <para> |
| 398 | aperture space for graphics devices. TTM supports both UMA devices | 461 | Drivers wishing to support TTM must fill out a drm_bo_driver |
| 399 | and devices with dedicated video RAM (VRAM), i.e. most discrete | 462 | structure. The structure contains several fields with function |
| 400 | graphics devices. If your device has dedicated RAM, supporting | 463 | pointers for initializing the TTM, allocating and freeing memory, |
| 401 | TTM is desirable. TTM also integrates tightly with your | 464 | waiting for command completion and fence synchronization, and memory |
| 402 | driver-specific buffer execution function. See the radeon | 465 | migration. See the radeon_ttm.c file for an example of usage. |
| 403 | driver for examples. | ||
| 404 | </para> | ||
| 405 | <para> | ||
| 406 | The core TTM structure is the ttm_bo_driver struct. It contains | ||
| 407 | several fields with function pointers for initializing the TTM, | ||
| 408 | allocating and freeing memory, waiting for command completion | ||
| 409 | and fence synchronization, and memory migration. See the | ||
| 410 | radeon_ttm.c file for an example of usage. | ||
| 411 | </para> | 466 | </para> |
| 412 | <para> | 467 | <para> |
| 413 | The ttm_global_reference structure is made up of several fields: | 468 | The ttm_global_reference structure is made up of several fields: |
| @@ -445,82 +500,1081 @@ · 31 unmodified lines | |||
| 445 | count for the TTM, which will call your initialization function. | 500 | count for the TTM, which will call your initialization function. |
| 446 | </para> | 501 | </para> |
| 447 | </sect3> | 502 | </sect3> |
| 503 | </sect2> | ||
| 504 | <sect2 id="drm-gem"> | ||
| 505 | <title>The Graphics Execution Manager (GEM)</title> | ||
| 506 | <para> | ||
| 507 | The GEM design approach has resulted in a memory manager that doesn't | ||
| 508 | provide full coverage of all (or even all common) use cases in its | ||
| 509 | userspace or kernel API. GEM exposes a set of standard memory-related | ||
| 510 | operations to userspace and a set of helper functions to drivers, and let | ||
| 511 | drivers implement hardware-specific operations with their own private API. | ||
| 512 | </para> | ||
| 513 | <para> | ||
| 514 | The GEM userspace API is described in the | ||
| 515 | <ulink url="http://lwn.net/Articles/283798/"><citetitle>GEM - the Graphics | ||
| 516 | Execution Manager</citetitle></ulink> article on LWN. While slightly | ||
| 517 | outdated, the document provides a good overview of the GEM API principles. | ||
| 518 | Buffer allocation and read and write operations, described as part of the | ||
| 519 | common GEM API, are currently implemented using driver-specific ioctls. | ||
| 520 | </para> | ||
| 521 | <para> | ||
| 522 | GEM is data-agnostic. It manages abstract buffer objects without knowing | ||
| 523 | what individual buffers contain. APIs that require knowledge of buffer | ||
| 524 | contents or purpose, such as buffer allocation or synchronization | ||
| 525 | primitives, are thus outside of the scope of GEM and must be implemented | ||
| 526 | using driver-specific ioctls. | ||
| 527 | </para> | ||
| 528 | <para> | ||
| 529 | On a fundamental level, GEM involves several operations: | ||
| 530 | <itemizedlist> | ||
| 531 | <listitem>Memory allocation and freeing</listitem> | ||
| 532 | <listitem>Command execution</listitem> | ||
| 533 | <listitem>Aperture management at command execution time</listitem> | ||
| 534 | </itemizedlist> | ||
| 535 | Buffer object allocation is relatively straightforward and largely | ||
| 536 | provided by Linux's shmem layer, which provides memory to back each | ||
| 537 | object. | ||
| 538 | </para> | ||
| 539 | <para> | ||
| 540 | Device-specific operations, such as command execution, pinning, buffer | ||
| 541 | read & write, mapping, and domain ownership transfers are left to | ||
| 542 | driver-specific ioctls. | ||
| 543 | </para> | ||
| 544 | <sect3> | ||
| 545 | <title>GEM Initialization</title> | ||
| 546 | <para> | ||
| 547 | Drivers that use GEM must set the DRIVER_GEM bit in the struct | ||
| 548 | <structname>drm_driver</structname> | ||
| 549 | <structfield>driver_features</structfield> field. The DRM core will | ||
| 550 | then automatically initialize the GEM core before calling the | ||
| 551 | <methodname>load</methodname> operation. Behind the scene, this will | ||
| 552 | create a DRM Memory Manager object which provides an address space | ||
| 553 | pool for object allocation. | ||
| 554 | </para> | ||
| 555 | <para> | ||
| 556 | In a KMS configuration, drivers need to allocate and initialize a | ||
| 557 | command ring buffer following core GEM initialization if required by | ||
| 558 | the hardware. UMA devices usually have what is called a "stolen" | ||
| 559 | memory region, which provides space for the initial framebuffer and | ||
| 560 | large, contiguous memory regions required by the device. This space is | ||
| 561 | typically not managed by GEM, and must be initialized separately into | ||
| 562 | its own DRM MM object. | ||
| 563 | </para> | ||
| 564 | </sect3> | ||
| 448 | <sect3> | 565 | <sect3> |
| 449 | <title>GEM initialization</title> | 566 | <title>GEM Objects Creation</title> |
| 450 | <para> | 567 | <para> |
| 451 | GEM is an alternative to TTM, designed specifically for UMA | 568 | GEM splits creation of GEM objects and allocation of the memory that |
| 452 | devices. It has simpler initialization and execution requirements | 569 | backs them in two distinct operations. |
| 453 | than TTM, but has no VRAM management capability. Core GEM | 570 | </para> |
| 454 | is initialized by calling drm_mm_init() to create | 571 | <para> |
| 455 | a GTT DRM MM object, which provides an address space pool for | 572 | GEM objects are represented by an instance of struct |
| 456 | object allocation. In a KMS configuration, the driver | 573 | <structname>drm_gem_object</structname>. Drivers usually need to extend |
| 457 | needs to allocate and initialize a command ring buffer following | 574 | GEM objects with private information and thus create a driver-specific |
| 458 | core GEM initialization. A UMA device usually has what is called a | 575 | GEM object structure type that embeds an instance of struct |
| 459 | "stolen" memory region, which provides space for the initial | 576 | <structname>drm_gem_object</structname>. |
| 460 | framebuffer and large, contiguous memory regions required by the | 577 | </para> |
| 461 | device. This space is not typically managed by GEM, and it must | 578 | <para> |
| 462 | be initialized separately into its own DRM MM object. | 579 | To create a GEM object, a driver allocates memory for an instance of its |
| 463 | </para> | 580 | specific GEM object type and initializes the embedded struct |
| 464 | <para> | 581 | <structname>drm_gem_object</structname> with a call to |
| 465 | Initialization is driver-specific. In the case of Intel | 582 | <function>drm_gem_object_init</function>. The function takes a pointer to |
| 466 | integrated graphics chips like 965GM, GEM initialization can | 583 | the DRM device, a pointer to the GEM object and the buffer object size |
| 467 | be done by calling the internal GEM init function, | 584 | in bytes. |
| 468 | i915_gem_do_init(). Since the 965GM is a UMA device | 585 | </para> |
| 469 | (i.e. it doesn't have dedicated VRAM), GEM manages | 586 | <para> |
| 470 | making regular RAM available for GPU operations. Memory set | 587 | GEM uses shmem to allocate anonymous pageable memory. |
| 471 | aside by the BIOS (called "stolen" memory by the i915 | 588 | <function>drm_gem_object_init</function> will create an shmfs file of |
| 472 | driver) is managed by the DRM memrange allocator; the | 589 | the requested size and store it into the struct |
| 473 | rest of the aperture is managed by GEM. | 590 | <structname>drm_gem_object</structname> <structfield>filp</structfield> |
| 474 | <programlisting> | 591 | field. The memory is used as either main storage for the object when the |
| 475 | /* Basic memrange allocator for stolen space (aka vram) */ | 592 | graphics hardware uses system memory directly or as a backing store |
| 476 | drm_memrange_init(&dev_priv->vram, 0, prealloc_size); | 593 | otherwise. |
| 477 | /* Let GEM Manage from end of prealloc space to end of aperture */ | 594 | </para> |
| 478 | i915_gem_do_init(dev, prealloc_size, agp_size); | 595 | <para> |
| 479 | </programlisting> | 596 | Drivers are responsible for the actual physical pages allocation by |
| 480 | <!--!Edrivers/char/drm/drm_memrange.c--> | 597 | calling <function>shmem_read_mapping_page_gfp</function> for each page. |
| 481 | </para> | 598 | Note that they can decide to allocate pages when initializing the GEM |
| 482 | <para> | 599 | object, or to delay allocation until the memory is needed (for instance |
| 483 | Once the memory manager has been set up, we may allocate the | 600 | when a page fault occurs as a result of a userspace memory access or |
| 484 | command buffer. In the i915 case, this is also done with a | 601 | when the driver needs to start a DMA transfer involving the memory). |
| 485 | GEM function, i915_gem_init_ringbuffer(). | 602 | </para> |
| 486 | </para> | 603 | <para> |
| 604 | Anonymous pageable memory allocation is not always desired, for instance | ||
| 605 | when the hardware requires physically contiguous system memory as is | ||
| 606 | often the case in embedded devices. Drivers can create GEM objects with | ||
| 607 | no shmfs backing (called private GEM objects) by initializing them with | ||
| 608 | a call to <function>drm_gem_private_object_init</function> instead of | ||
| 609 | <function>drm_gem_object_init</function>. Storage for private GEM | ||
| 610 | objects must be managed by drivers. | ||
| 611 | </para> | ||
| 612 | <para> | ||
| 613 | Drivers that do not need to extend GEM objects with private information | ||
| 614 | can call the <function>drm_gem_object_alloc</function> function to | ||
| 615 | allocate and initialize a struct <structname>drm_gem_object</structname> | ||
| 616 | instance. The GEM core will call the optional driver | ||
| 617 | <methodname>gem_init_object</methodname> operation after initializing | ||
| 618 | the GEM object with <function>drm_gem_object_init</function>. | ||
| 619 | <synopsis>int (*gem_init_object) (struct drm_gem_object *obj);</synopsis> | ||
| 620 | </para> | ||
| 621 | <para> | ||
| 622 | No alloc-and-init function exists for private GEM objects. | ||
| 623 | </para> | ||
| 624 | </sect3> | ||
| 625 | <sect3> | ||
| 626 | <title>GEM Objects Lifetime</title> | ||
| 627 | <para> | ||
| 628 | All GEM objects are reference-counted by the GEM core. References can be | ||
| 629 | acquired and release by <function>calling drm_gem_object_reference</function> | ||
| 630 | and <function>drm_gem_object_unreference</function> respectively. The | ||
| 631 | caller must hold the <structname>drm_device</structname> | ||
| 632 | <structfield>struct_mutex</structfield> lock. As a convenience, GEM | ||
| 633 | provides the <function>drm_gem_object_reference_unlocked</function> and | ||
| 634 | <function>drm_gem_object_unreference_unlocked</function> functions that | ||
| 635 | can be called without holding the lock. | ||
| 636 | </para> | ||
| 637 | <para> | ||
| 638 | When the last reference to a GEM object is released the GEM core calls | ||
| 639 | the <structname>drm_driver</structname> | ||
| 640 | <methodname>gem_free_object</methodname> operation. That operation is | ||
| 641 | mandatory for GEM-enabled drivers and must free the GEM object and all | ||
| 642 | associated resources. | ||
| 643 | </para> | ||
| 644 | <para> | ||
| 645 | <synopsis>void (*gem_free_object) (struct drm_gem_object *obj);</synopsis> | ||
| 646 | Drivers are responsible for freeing all GEM object resources, including | ||
| 647 | the resources created by the GEM core. If an mmap offset has been | ||
| 648 | created for the object (in which case | ||
| 649 | <structname>drm_gem_object</structname>::<structfield>map_list</structfield>::<structfield>map</structfield> | ||
| 650 | is not NULL) it must be freed by a call to | ||
| 651 | <function>drm_gem_free_mmap_offset</function>. The shmfs backing store | ||
| 652 | must be released by calling <function>drm_gem_object_release</function> | ||
| 653 | (that function can safely be called if no shmfs backing store has been | ||
| 654 | created). | ||
| 655 | </para> | ||
| 656 | </sect3> | ||
| 657 | <sect3> | ||
| 658 | <title>GEM Objects Naming</title> | ||
| 659 | <para> | ||
| 660 | Communication between userspace and the kernel refers to GEM objects | ||
| 661 | using local handles, global names or, more recently, file descriptors. | ||
| 662 | All of those are 32-bit integer values; the usual Linux kernel limits | ||
| 663 | apply to the file descriptors. | ||
| 664 | </para> | ||
| 665 | <para> | ||
| 666 | GEM handles are local to a DRM file. Applications get a handle to a GEM | ||
| 667 | object through a driver-specific ioctl, and can use that handle to refer | ||
| 668 | to the GEM object in other standard or driver-specific ioctls. Closing a | ||
| 669 | DRM file handle frees all its GEM handles and dereferences the | ||
| 670 | associated GEM objects. | ||
| 671 | </para> | ||
| 672 | <para> | ||
| 673 | To create a handle for a GEM object drivers call | ||
| 674 | <function>drm_gem_handle_create</function>. The function takes a pointer | ||
| 675 | to the DRM file and the GEM object and returns a locally unique handle. | ||
| 676 | When the handle is no longer needed drivers delete it with a call to | ||
| 677 | <function>drm_gem_handle_delete</function>. Finally the GEM object | ||
| 678 | associated with a handle can be retrieved by a call to | ||
| 679 | <function>drm_gem_object_lookup</function>. | ||
| 680 | </para> | ||
| 681 | <para> | ||
| 682 | Handles don't take ownership of GEM objects, they only take a reference | ||
| 683 | to the object that will be dropped when the handle is destroyed. To | ||
| 684 | avoid leaking GEM objects, drivers must make sure they drop the | ||
| 685 | reference(s) they own (such as the initial reference taken at object | ||
| 686 | creation time) as appropriate, without any special consideration for the | ||
| 687 | handle. For example, in the particular case of combined GEM object and | ||
| 688 | handle creation in the implementation of the | ||
| 689 | <methodname>dumb_create</methodname> operation, drivers must drop the | ||
| 690 | initial reference to the GEM object before returning the handle. | ||
| 691 | </para> | ||
| 692 | <para> | ||
| 693 | GEM names are similar in purpose to handles but are not local to DRM | ||
| 694 | files. They can be passed between processes to reference a GEM object | ||
| 695 | globally. Names can't be used directly to refer to objects in the DRM | ||
| 696 | API, applications must convert handles to names and names to handles | ||
| 697 | using the DRM_IOCTL_GEM_FLINK and DRM_IOCTL_GEM_OPEN ioctls | ||
| 698 | respectively. The conversion is handled by the DRM core without any | ||
| 699 | driver-specific support. | ||
| 700 | </para> | ||
| 701 | <para> | ||
| 702 | Similar to global names, GEM file descriptors are also used to share GEM | ||
| 703 | objects across processes. They offer additional security: as file | ||
| 704 | descriptors must be explictly sent over UNIX domain sockets to be shared | ||
| 705 | between applications, they can't be guessed like the globally unique GEM | ||
| 706 | names. | ||
| 707 | </para> | ||
| 708 | <para> | ||
| 709 | Drivers that support GEM file descriptors, also known as the DRM PRIME | ||
| 710 | API, must set the DRIVER_PRIME bit in the struct | ||
| 711 | <structname>drm_driver</structname> | ||
| 712 | <structfield>driver_features</structfield> field, and implement the | ||
| 713 | <methodname>prime_handle_to_fd</methodname> and | ||
| 714 | <methodname>prime_fd_to_handle</methodname> operations. | ||
| 715 | </para> | ||
| 716 | <para> | ||
| 717 | <synopsis>int (*prime_handle_to_fd)(struct drm_device *dev, | ||
| 718 | struct drm_file *file_priv, uint32_t handle, | ||
| 719 | uint32_t flags, int *prime_fd); | ||
| 720 | int (*prime_fd_to_handle)(struct drm_device *dev, | ||
| 721 | struct drm_file *file_priv, int prime_fd, | ||
| 722 | uint32_t *handle);</synopsis> | ||
| 723 | Those two operations convert a handle to a PRIME file descriptor and | ||
| 724 | vice versa. Drivers must use the kernel dma-buf buffer sharing framework | ||
| 725 | to manage the PRIME file descriptors. | ||
| 726 | </para> | ||
| 727 | <para> | ||
| 728 | While non-GEM drivers must implement the operations themselves, GEM | ||
| 729 | drivers must use the <function>drm_gem_prime_handle_to_fd</function> | ||
| 730 | and <function>drm_gem_prime_fd_to_handle</function> helper functions. | ||
| 731 | Those helpers rely on the driver | ||
| 732 | <methodname>gem_prime_export</methodname> and | ||
| 733 | <methodname>gem_prime_import</methodname> operations to create a dma-buf | ||
| 734 | instance from a GEM object (dma-buf exporter role) and to create a GEM | ||
| 735 | object from a dma-buf instance (dma-buf importer role). | ||
| 736 | </para> | ||
| 737 | <para> | ||
| 738 | <synopsis>struct dma_buf * (*gem_prime_export)(struct drm_device *dev, | ||
| 739 | struct drm_gem_object *obj, | ||
| 740 | int flags); | ||
| 741 | struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, | ||
| 742 | struct dma_buf *dma_buf);</synopsis> | ||
| 743 | These two operations are mandatory for GEM drivers that support DRM | ||
| 744 | PRIME. | ||
| 745 | </para> | ||
| 746 | </sect3> | ||
| 747 | <sect3 id="drm-gem-objects-mapping"> | ||
| 748 | <title>GEM Objects Mapping</title> | ||
| 749 | <para> | ||
| 750 | Because mapping operations are fairly heavyweight GEM favours | ||
| 751 | read/write-like access to buffers, implemented through driver-specific | ||
| 752 | ioctls, over mapping buffers to userspace. However, when random access | ||
| 753 | to the buffer is needed (to perform software rendering for instance), | ||
| 754 | direct access to the object can be more efficient. | ||
| 755 | </para> | ||
| 756 | <para> | ||
| 757 | The mmap system call can't be used directly to map GEM objects, as they | ||
| 758 | don't have their own file handle. Two alternative methods currently | ||
| 759 | co-exist to map GEM objects to userspace. The first method uses a | ||
| 760 | driver-specific ioctl to perform the mapping operation, calling | ||
| 761 | <function>do_mmap</function> under the hood. This is often considered | ||
| 762 | dubious, seems to be discouraged for new GEM-enabled drivers, and will | ||
| 763 | thus not be described here. | ||
| 764 | </para> | ||
| 765 | <para> | ||
| 766 | The second method uses the mmap system call on the DRM file handle. | ||
| 767 | <synopsis>void *mmap(void *addr, size_t length, int prot, int flags, int fd, | ||
| 768 | off_t offset);</synopsis> | ||
| 769 | DRM identifies the GEM object to be mapped by a fake offset passed | ||
| 770 | through the mmap offset argument. Prior to being mapped, a GEM object | ||
| 771 | must thus be associated with a fake offset. To do so, drivers must call | ||
| 772 | <function>drm_gem_create_mmap_offset</function> on the object. The | ||
| 773 | function allocates a fake offset range from a pool and stores the | ||
| 774 | offset divided by PAGE_SIZE in | ||
| 775 | <literal>obj->map_list.hash.key</literal>. Care must be taken not to | ||
| 776 | call <function>drm_gem_create_mmap_offset</function> if a fake offset | ||
| 777 | has already been allocated for the object. This can be tested by | ||
| 778 | <literal>obj->map_list.map</literal> being non-NULL. | ||
| 779 | </para> | ||
| 780 | <para> | ||
| 781 | Once allocated, the fake offset value | ||
| 782 | (<literal>obj->map_list.hash.key << PAGE_SHIFT</literal>) | ||
| 783 | must be passed to the application in a driver-specific way and can then | ||
| 784 | be used as the mmap offset argument. | ||
| 785 | </para> | ||
| 786 | <para> | ||
| 787 | The GEM core provides a helper method <function>drm_gem_mmap</function> | ||
| 788 | to handle object mapping. The method can be set directly as the mmap | ||
| 789 | file operation handler. It will look up the GEM object based on the | ||
| 790 | offset value and set the VMA operations to the | ||
| 791 | <structname>drm_driver</structname> <structfield>gem_vm_ops</structfield> | ||
| 792 | field. Note that <function>drm_gem_mmap</function> doesn't map memory to | ||
| 793 | userspace, but relies on the driver-provided fault handler to map pages | ||
| 794 | individually. | ||
| 795 | </para> | ||
| 796 | <para> | ||
| 797 | To use <function>drm_gem_mmap</function>, drivers must fill the struct | ||
| 798 | <structname>drm_driver</structname> <structfield>gem_vm_ops</structfield> | ||
| 799 | field with a pointer to VM operations. | ||
| 800 | </para> | ||
| 801 | <para> | ||
| 802 | <synopsis>struct vm_operations_struct *gem_vm_ops | ||
| 803 | |||
| 804 | struct vm_operations_struct { | ||
| 805 | void (*open)(struct vm_area_struct * area); | ||
| 806 | void (*close)(struct vm_area_struct * area); | ||
| 807 | int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf); | ||
| 808 | };</synopsis> | ||
| 809 | </para> | ||
| 810 | <para> | ||
| 811 | The <methodname>open</methodname> and <methodname>close</methodname> | ||
| 812 | operations must update the GEM object reference count. Drivers can use | ||
| 813 | the <function>drm_gem_vm_open</function> and | ||
| 814 | <function>drm_gem_vm_close</function> helper functions directly as open | ||
| 815 | and close handlers. | ||
| 816 | </para> | ||
| 817 | <para> | ||
| 818 | The fault operation handler is responsible for mapping individual pages | ||
| 819 | to userspace when a page fault occurs. Depending on the memory | ||
| 820 | allocation scheme, drivers can allocate pages at fault time, or can | ||
| 821 | decide to allocate memory for the GEM object at the time the object is | ||
| 822 | created. | ||
| 823 | </para> | ||
| 824 | <para> | ||
| 825 | Drivers that want to map the GEM object upfront instead of handling page | ||
| 826 | faults can implement their own mmap file operation handler. | ||
| 827 | </para> | ||
| 828 | </sect3> | ||
| 829 | <sect3> | ||
| 830 | <title>Dumb GEM Objects</title> | ||
| 831 | <para> | ||
| 832 | The GEM API doesn't standardize GEM objects creation and leaves it to | ||
| 833 | driver-specific ioctls. While not an issue for full-fledged graphics | ||
| 834 | stacks that include device-specific userspace components (in libdrm for | ||
| 835 | instance), this limit makes DRM-based early boot graphics unnecessarily | ||
| 836 | complex. | ||
| 837 | </para> | ||
| 838 | <para> | ||
| 839 | Dumb GEM objects partly alleviate the problem by providing a standard | ||
| 840 | API to create dumb buffers suitable for scanout, which can then be used | ||
| 841 | to create KMS frame buffers. | ||
| 842 | </para> | ||
| 843 | <para> | ||
| 844 | To support dumb GEM objects drivers must implement the | ||
| 845 | <methodname>dumb_create</methodname>, | ||
| 846 | <methodname>dumb_destroy</methodname> and | ||
| 847 | <methodname>dumb_map_offset</methodname> operations. | ||
| 848 | </para> | ||
| 849 | <itemizedlist> | ||
| 850 | <listitem> | ||
| 851 | <synopsis>int (*dumb_create)(struct drm_file *file_priv, struct drm_device *dev, | ||
| 852 | struct drm_mode_create_dumb *args);</synopsis> | ||
| 853 | <para> | ||
| 854 | The <methodname>dumb_create</methodname> operation creates a GEM | ||
| 855 | object suitable for scanout based on the width, height and depth | ||
| 856 | from the struct <structname>drm_mode_create_dumb</structname> | ||
| 857 | argument. It fills the argument's <structfield>handle</structfield>, | ||
| 858 | <structfield>pitch</structfield> and <structfield>size</structfield> | ||
| 859 | fields with a handle for the newly created GEM object and its line | ||
| 860 | pitch and size in bytes. | ||
| 861 | </para> | ||
| 862 | </listitem> | ||
| 863 | <listitem> | ||
| 864 | <synopsis>int (*dumb_destroy)(struct drm_file *file_priv, struct drm_device *dev, | ||
| 865 | uint32_t handle);</synopsis> | ||
| 866 | <para> | ||
| 867 | The <methodname>dumb_destroy</methodname> operation destroys a dumb | ||
| 868 | GEM object created by <methodname>dumb_create</methodname>. | ||
| 869 | </para> | ||
| 870 | </listitem> | ||
| 871 | <listitem> | ||
| 872 | <synopsis>int (*dumb_map_offset)(struct drm_file *file_priv, struct drm_device *dev, | ||
| 873 | uint32_t handle, uint64_t *offset);</synopsis> | ||
| 874 | <para> | ||
| 875 | The <methodname>dumb_map_offset</methodname> operation associates an | ||
| 876 | mmap fake offset with the GEM object given by the handle and returns | ||
| 877 | it. Drivers must use the | ||
| 878 | <function>drm_gem_create_mmap_offset</function> function to | ||
| 879 | associate the fake offset as described in | ||
| 880 | <xref linkend="drm-gem-objects-mapping"/>. | ||
| 881 | </para> | ||
| 882 | </listitem> | ||
| 883 | </itemizedlist> | ||
| 884 | </sect3> | ||
| 885 | <sect3> | ||
| 886 | <title>Memory Coherency</title> | ||
| 887 | <para> | ||
| 888 | When mapped to the device or used in a command buffer, backing pages | ||
| 889 | for an object are flushed to memory and marked write combined so as to | ||
| 890 | be coherent with the GPU. Likewise, if the CPU accesses an object | ||
| 891 | after the GPU has finished rendering to the object, then the object | ||
| 892 | must be made coherent with the CPU's view of memory, usually involving | ||
| 893 | GPU cache flushing of various kinds. This core CPU<->GPU | ||
| 894 | coherency management is provided by a device-specific ioctl, which | ||
| 895 | evaluates an object's current domain and performs any necessary | ||
| 896 | flushing or synchronization to put the object into the desired | ||
| 897 | coherency domain (note that the object may be busy, i.e. an active | ||
| 898 | render target; in that case, setting the domain blocks the client and | ||
| 899 | waits for rendering to complete before performing any necessary | ||
| 900 | flushing operations). | ||
| 901 | </para> | ||
| 902 | </sect3> | ||
| 903 | <sect3> | ||
| 904 | <title>Command Execution</title> | ||
| 905 | <para> | ||
| 906 | Perhaps the most important GEM function for GPU devices is providing a | ||
| 907 | command execution interface to clients. Client programs construct | ||
| 908 | command buffers containing references to previously allocated memory | ||
| 909 | objects, and then submit them to GEM. At that point, GEM takes care to | ||
| 910 | bind all the objects into the GTT, execute the buffer, and provide | ||
| 911 | necessary synchronization between clients accessing the same buffers. | ||
| 912 | This often involves evicting some objects from the GTT and re-binding | ||
| 913 | others (a fairly expensive operation), and providing relocation | ||
| 914 | support which hides fixed GTT offsets from clients. Clients must take | ||
| 915 | care not to submit command buffers that reference more objects than | ||
| 916 | can fit in the GTT; otherwise, GEM will reject them and no rendering | ||
| 917 | will occur. Similarly, if several objects in the buffer require fence | ||
| 918 | registers to be allocated for correct rendering (e.g. 2D blits on | ||
| 919 | pre-965 chips), care must be taken not to require more fence registers | ||
| 920 | than are available to the client. Such resource management should be | ||
| 921 | abstracted from the client in libdrm. | ||
| 922 | </para> | ||
| 487 | </sect3> | 923 | </sect3> |
| 488 | </sect2> | 924 | </sect2> |
| 925 | </sect1> | ||
| 926 | |||
| 927 | <!-- Internals: mode setting --> | ||
| 489 | 928 | ||
| 929 | <sect1 id="drm-mode-setting"> | ||
| 930 | <title>Mode Setting</title> | ||
| 931 | <para> | ||
| 932 | Drivers must initialize the mode setting core by calling | ||
| 933 | <function>drm_mode_config_init</function> on the DRM device. The function | ||
| 934 | initializes the <structname>drm_device</structname> | ||
| 935 | <structfield>mode_config</structfield> field and never fails. Once done, | ||
| 936 | mode configuration must be setup by initializing the following fields. | ||
| 937 | </para> | ||
| 938 | <itemizedlist> | ||
| 939 | <listitem> | ||
| 940 | <synopsis>int min_width, min_height; | ||
| 941 | int max_width, max_height;</synopsis> | ||
| 942 | <para> | ||
| 943 | Minimum and maximum width and height of the frame buffers in pixel | ||
| 944 | units. | ||
| 945 | </para> | ||
| 946 | </listitem> | ||
| 947 | <listitem> | ||
| 948 | <synopsis>struct drm_mode_config_funcs *funcs;</synopsis> | ||
| 949 | <para>Mode setting functions.</para> | ||
| 950 | </listitem> | ||
| 951 | </itemizedlist> | ||
| 490 | <sect2> | 952 | <sect2> |
| 491 | <title>Output configuration</title> | 953 | <title>Frame Buffer Creation</title> |
| 954 | <synopsis>struct drm_framebuffer *(*fb_create)(struct drm_device *dev, | ||
| 955 | struct drm_file *file_priv, | ||
| 956 | struct drm_mode_fb_cmd2 *mode_cmd);</synopsis> | ||
| 492 | <para> | 957 | <para> |
| 493 | The final initialization task is output configuration. This involves: | 958 | Frame buffers are abstract memory objects that provide a source of |
| 494 | <itemizedlist> | 959 | pixels to scanout to a CRTC. Applications explicitly request the |
| 495 | <listitem> | 960 | creation of frame buffers through the DRM_IOCTL_MODE_ADDFB(2) ioctls and |
| 496 | Finding and initializing the CRTCs, encoders, and connectors | 961 | receive an opaque handle that can be passed to the KMS CRTC control, |
| 497 | for the device. | 962 | plane configuration and page flip functions. |
| 498 | </listitem> | 963 | </para> |
| 499 | <listitem> | 964 | <para> |
| 500 | Creating an initial configuration. | 965 | Frame buffers rely on the underneath memory manager for low-level memory |
| 501 | </listitem> | 966 | operations. When creating a frame buffer applications pass a memory |
| 502 | <listitem> | 967 | handle (or a list of memory handles for multi-planar formats) through |
| 503 | Registering a framebuffer console driver. | 968 | the <parameter>drm_mode_fb_cmd2</parameter> argument. This document |
| 504 | </listitem> | 969 | assumes that the driver uses GEM, those handles thus reference GEM |
| 505 | </itemizedlist> | 970 | objects. |
| 971 | </para> | ||
| 972 | <para> | ||
| 973 | Drivers must first validate the requested frame buffer parameters passed | ||
| 974 | through the mode_cmd argument. In particular this is where invalid | ||
| 975 | sizes, pixel formats or pitches can be caught. | ||
| 976 | </para> | ||
| 977 | <para> | ||
| 978 | If the parameters are deemed valid, drivers then create, initialize and | ||
| 979 | return an instance of struct <structname>drm_framebuffer</structname>. | ||
| 980 | If desired the instance can be embedded in a larger driver-specific | ||
| 981 | structure. The new instance is initialized with a call to | ||
| 982 | <function>drm_framebuffer_init</function> which takes a pointer to DRM | ||
| 983 | frame buffer operations (struct | ||
| 984 | <structname>drm_framebuffer_funcs</structname>). Frame buffer operations are | ||
| 985 | <itemizedlist> | ||
| 986 | <listitem> | ||
| 987 | <synopsis>int (*create_handle)(struct drm_framebuffer *fb, | ||
| 988 | struct drm_file *file_priv, unsigned int *handle);</synopsis> | ||
| 989 | <para> | ||
| 990 | Create a handle to the frame buffer underlying memory object. If | ||
| 991 | the frame buffer uses a multi-plane format, the handle will | ||
| 992 | reference the memory object associated with the first plane. | ||
| 993 | </para> | ||
| 994 | <para> | ||
| 995 | Drivers call <function>drm_gem_handle_create</function> to create | ||
| 996 | the handle. | ||
| 997 | </para> | ||
| 998 | </listitem> | ||
| 999 | <listitem> | ||
| 1000 | <synopsis>void (*destroy)(struct drm_framebuffer *framebuffer);</synopsis> | ||
| 1001 | <para> | ||
| 1002 | Destroy the frame buffer object and frees all associated | ||
| 1003 | resources. Drivers must call | ||
| 1004 | <function>drm_framebuffer_cleanup</function> to free resources | ||
| 1005 | allocated by the DRM core for the frame buffer object, and must | ||
| 1006 | make sure to unreference all memory objects associated with the | ||
| 1007 | frame buffer. Handles created by the | ||
| 1008 | <methodname>create_handle</methodname> operation are released by | ||
| 1009 | the DRM core. | ||
| 1010 | </para> | ||
| 1011 | </listitem> | ||
| 1012 | <listitem> | ||
| 1013 | <synopsis>int (*dirty)(struct drm_framebuffer *framebuffer, | ||
| 1014 | struct drm_file *file_priv, unsigned flags, unsigned color, | ||
| 1015 | struct drm_clip_rect *clips, unsigned num_clips);</synopsis> | ||
| 1016 | <para> | ||
| 1017 | This optional operation notifies the driver that a region of the | ||
| 1018 | frame buffer has changed in response to a DRM_IOCTL_MODE_DIRTYFB | ||
| 1019 | ioctl call. | ||
| 1020 | </para> | ||
| 1021 | </listitem> | ||
| 1022 | </itemizedlist> | ||
| 1023 | </para> | ||
| 1024 | <para> | ||
| 1025 | After initializing the <structname>drm_framebuffer</structname> | ||
| 1026 | instance drivers must fill its <structfield>width</structfield>, | ||
| 1027 | <structfield>height</structfield>, <structfield>pitches</structfield>, | ||
| 1028 | <structfield>offsets</structfield>, <structfield>depth</structfield>, | ||
| 1029 | <structfield>bits_per_pixel</structfield> and | ||
| 1030 | <structfield>pixel_format</structfield> fields from the values passed | ||
| 1031 | through the <parameter>drm_mode_fb_cmd2</parameter> argument. They | ||
| 1032 | should call the <function>drm_helper_mode_fill_fb_struct</function> | ||
| 1033 | helper function to do so. | ||
| 1034 | </para> | ||
| 1035 | </sect2> | ||
| 1036 | <sect2> | ||
| 1037 | <title>Output Polling</title> | ||
| 1038 | <synopsis>void (*output_poll_changed)(struct drm_device *dev);</synopsis> | ||
| 1039 | <para> | ||
| 1040 | This operation notifies the driver that the status of one or more | ||
| 1041 | connectors has changed. Drivers that use the fb helper can just call the | ||
| 1042 | <function>drm_fb_helper_hotplug_event</function> function to handle this | ||
| 1043 | operation. | ||
| 1044 | </para> | ||
| 1045 | </sect2> | ||
| 1046 | </sect1> | ||
| 1047 | |||
| 1048 | <!-- Internals: kms initialization and cleanup --> | ||
| 1049 | |||
| 1050 | <sect1 id="drm-kms-init"> | ||
| 1051 | <title>KMS Initialization and Cleanup</title> | ||
| 1052 | <para> | ||
| 1053 | A KMS device is abstracted and exposed as a set of planes, CRTCs, encoders | ||
| 1054 | and connectors. KMS drivers must thus create and initialize all those | ||
| 1055 | objects at load time after initializing mode setting. | ||
| 1056 | </para> | ||
| 1057 | <sect2> | ||
| 1058 | <title>CRTCs (struct <structname>drm_crtc</structname>)</title> | ||
| 1059 | <para> | ||
| 1060 | A CRTC is an abstraction representing a part of the chip that contains a | ||
| 1061 | pointer to a scanout buffer. Therefore, the number of CRTCs available | ||
| 1062 | determines how many independent scanout buffers can be active at any | ||
| 1063 | given time. The CRTC structure contains several fields to support this: | ||
| 1064 | a pointer to some video memory (abstracted as a frame buffer object), a | ||
| 1065 | display mode, and an (x, y) offset into the video memory to support | ||
| 1066 | panning or configurations where one piece of video memory spans multiple | ||
| 1067 | CRTCs. | ||
| 506 | </para> | 1068 | </para> |
| 507 | <sect3> | 1069 | <sect3> |
| 508 | <title>Output discovery and initialization</title> | 1070 | <title>CRTC Initialization</title> |
| 509 | <para> | 1071 | <para> |
| 510 | Several core functions exist to create CRTCs, encoders, and | 1072 | A KMS device must create and register at least one struct |
| 511 | connectors, namely: drm_crtc_init(), drm_connector_init(), and | 1073 | <structname>drm_crtc</structname> instance. The instance is allocated |
| 512 | drm_encoder_init(), along with several "helper" functions to | 1074 | and zeroed by the driver, possibly as part of a larger structure, and |
| 513 | perform common tasks. | 1075 | registered with a call to <function>drm_crtc_init</function> with a |
| 514 | </para> | 1076 | pointer to CRTC functions. |
| 515 | <para> | 1077 | </para> |
| 516 | Connectors should be registered with sysfs once they've been | 1078 | </sect3> |
| 517 | detected and initialized, using the | 1079 | <sect3> |
| 518 | drm_sysfs_connector_add() function. Likewise, when they're | 1080 | <title>CRTC Operations</title> |
| 519 | removed from the system, they should be destroyed with | 1081 | <sect4> |
| 520 | drm_sysfs_connector_remove(). | 1082 | <title>Set Configuration</title> |
| 521 | </para> | 1083 | <synopsis>int (*set_config)(struct drm_mode_set *set);</synopsis> |
| 522 | <programlisting> | 1084 | <para> |
| 523 | <![CDATA[ | 1085 | Apply a new CRTC configuration to the device. The configuration |
| 1086 | specifies a CRTC, a frame buffer to scan out from, a (x,y) position in | ||
| 1087 | the frame buffer, a display mode and an array of connectors to drive | ||
| 1088 | with the CRTC if possible. | ||
| 1089 | </para> | ||
| 1090 | <para> | ||
| 1091 | If the frame buffer specified in the configuration is NULL, the driver | ||
| 1092 | must detach all encoders connected to the CRTC and all connectors | ||
| 1093 | attached to those encoders and disable them. | ||
| 1094 | </para> | ||
| 1095 | <para> | ||
| 1096 | This operation is called with the mode config lock held. | ||
| 1097 | </para> | ||
| 1098 | <note><para> | ||
| 1099 | FIXME: How should set_config interact with DPMS? If the CRTC is | ||
| 1100 | suspended, should it be resumed? | ||
| 1101 | </para></note> | ||
| 1102 | </sect4> | ||
| 1103 | <sect4> | ||
| 1104 | <title>Page Flipping</title> | ||
| 1105 | <synopsis>int (*page_flip)(struct drm_crtc *crtc, struct drm_framebuffer *fb, | ||
| 1106 | struct drm_pending_vblank_event *event);</synopsis> | ||
| 1107 | <para> | ||
| 1108 | Schedule a page flip to the given frame buffer for the CRTC. This | ||
| 1109 | operation is called with the mode config mutex held. | ||
| 1110 | </para> | ||
| 1111 | <para> | ||
| 1112 | Page flipping is a synchronization mechanism that replaces the frame | ||
| 1113 | buffer being scanned out by the CRTC with a new frame buffer during | ||
| 1114 | vertical blanking, avoiding tearing. When an application requests a page | ||
| 1115 | flip the DRM core verifies that the new frame buffer is large enough to | ||
| 1116 | be scanned out by the CRTC in the currently configured mode and then | ||
| 1117 | calls the CRTC <methodname>page_flip</methodname> operation with a | ||
| 1118 | pointer to the new frame buffer. | ||
| 1119 | </para> | ||
| 1120 | <para> | ||
| 1121 | The <methodname>page_flip</methodname> operation schedules a page flip. | ||
| 1122 | Once any pending rendering targetting the new frame buffer has | ||
| 1123 | completed, the CRTC will be reprogrammed to display that frame buffer | ||
| 1124 | after the next vertical refresh. The operation must return immediately | ||
| 1125 | without waiting for rendering or page flip to complete and must block | ||
| 1126 | any new rendering to the frame buffer until the page flip completes. | ||
| 1127 | </para> | ||
| 1128 | <para> | ||
| 1129 | If a page flip is already pending, the | ||
| 1130 | <methodname>page_flip</methodname> operation must return | ||
| 1131 | -<errorname>EBUSY</errorname>. | ||
| 1132 | </para> | ||
| 1133 | <para> | ||
| 1134 | To synchronize page flip to vertical blanking the driver will likely | ||
| 1135 | need to enable vertical blanking interrupts. It should call | ||
| 1136 | <function>drm_vblank_get</function> for that purpose, and call | ||
| 1137 | <function>drm_vblank_put</function> after the page flip completes. | ||
| 1138 | </para> | ||
| 1139 | <para> | ||
| 1140 | If the application has requested to be notified when page flip completes | ||
| 1141 | the <methodname>page_flip</methodname> operation will be called with a | ||
| 1142 | non-NULL <parameter>event</parameter> argument pointing to a | ||
| 1143 | <structname>drm_pending_vblank_event</structname> instance. Upon page | ||
| 1144 | flip completion the driver must fill the | ||
| 1145 | <parameter>event</parameter>::<structfield>event</structfield> | ||
| 1146 | <structfield>sequence</structfield>, <structfield>tv_sec</structfield> | ||
| 1147 | and <structfield>tv_usec</structfield> fields with the associated | ||
| 1148 | vertical blanking count and timestamp, add the event to the | ||
| 1149 | <parameter>drm_file</parameter> list of events to be signaled, and wake | ||
| 1150 | up any waiting process. This can be performed with | ||
| 1151 | <programlisting><![CDATA[ | ||
| 1152 | struct timeval now; | ||
| 1153 | |||
| 1154 | event->event.sequence = drm_vblank_count_and_time(..., &now); | ||
| 1155 | event->event.tv_sec = now.tv_sec; | ||
| 1156 | event->event.tv_usec = now.tv_usec; | ||
| 1157 | |||
| 1158 | spin_lock_irqsave(&dev->event_lock, flags); | ||
| 1159 | list_add_tail(&event->base.link, &event->base.file_priv->event_list); | ||
| 1160 | wake_up_interruptible(&event->base.file_priv->event_wait); | ||
| 1161 | spin_unlock_irqrestore(&dev->event_lock, flags); | ||
| 1162 | ]]></programlisting> | ||
| 1163 | </para> | ||
| 1164 | <note><para> | ||
| 1165 | FIXME: Could drivers that don't need to wait for rendering to complete | ||
| 1166 | just add the event to <literal>dev->vblank_event_list</literal> and | ||
| 1167 | let the DRM core handle everything, as for "normal" vertical blanking | ||
| 1168 | events? | ||
| 1169 | </para></note> | ||
| 1170 | <para> | ||
| 1171 | While waiting for the page flip to complete, the | ||
| 1172 | <literal>event->base.link</literal> list head can be used freely by | ||
| 1173 | the driver to store the pending event in a driver-specific list. | ||
| 1174 | </para> | ||
| 1175 | <para> | ||
| 1176 | If the file handle is closed before the event is signaled, drivers must | ||
| 1177 | take care to destroy the event in their | ||
| 1178 | <methodname>preclose</methodname> operation (and, if needed, call | ||
| 1179 | <function>drm_vblank_put</function>). | ||
| 1180 | </para> | ||
| 1181 | </sect4> | ||
| 1182 | <sect4> | ||
| 1183 | <title>Miscellaneous</title> | ||
| 1184 | <itemizedlist> | ||
| 1185 | <listitem> | ||
| 1186 | <synopsis>void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, | ||
| 1187 | uint32_t start, uint32_t size);</synopsis> | ||
| 1188 | <para> | ||
| 1189 | Apply a gamma table to the device. The operation is optional. | ||
| 1190 | </para> | ||
| 1191 | </listitem> | ||
| 1192 | <listitem> | ||
| 1193 | <synopsis>void (*destroy)(struct drm_crtc *crtc);</synopsis> | ||
| 1194 | <para> | ||
| 1195 | Destroy the CRTC when not needed anymore. See | ||
| 1196 | <xref linkend="drm-kms-init"/>. | ||
| 1197 | </para> | ||
| 1198 | </listitem> | ||
| 1199 | </itemizedlist> | ||
| 1200 | </sect4> | ||
| 1201 | </sect3> | ||
| 1202 | </sect2> | ||
| 1203 | <sect2> | ||
| 1204 | <title>Planes (struct <structname>drm_plane</structname>)</title> | ||
| 1205 | <para> | ||
| 1206 | A plane represents an image source that can be blended with or overlayed | ||
| 1207 | on top of a CRTC during the scanout process. Planes are associated with | ||
| 1208 | a frame buffer to crop a portion of the image memory (source) and | ||
| 1209 | optionally scale it to a destination size. The result is then blended | ||
| 1210 | with or overlayed on top of a CRTC. | ||
| 1211 | </para> | ||
| 1212 | <sect3> | ||
| 1213 | <title>Plane Initialization</title> | ||
| 1214 | <para> | ||
| 1215 | Planes are optional. To create a plane, a KMS drivers allocates and | ||
| 1216 | zeroes an instances of struct <structname>drm_plane</structname> | ||
| 1217 | (possibly as part of a larger structure) and registers it with a call | ||
| 1218 | to <function>drm_plane_init</function>. The function takes a bitmask | ||
| 1219 | of the CRTCs that can be associated with the plane, a pointer to the | ||
| 1220 | plane functions and a list of format supported formats. | ||
| 1221 | </para> | ||
| 1222 | </sect3> | ||
| 1223 | <sect3> | ||
| 1224 | <title>Plane Operations</title> | ||
| 1225 | <itemizedlist> | ||
| 1226 | <listitem> | ||
| 1227 | <synopsis>int (*update_plane)(struct drm_plane *plane, struct drm_crtc *crtc, | ||
| 1228 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, | ||
| 1229 | unsigned int crtc_w, unsigned int crtc_h, | ||
| 1230 | uint32_t src_x, uint32_t src_y, | ||
| 1231 | uint32_t src_w, uint32_t src_h);</synopsis> | ||
| 1232 | <para> | ||
| 1233 | Enable and configure the plane to use the given CRTC and frame buffer. | ||
| 1234 | </para> | ||
| 1235 | <para> | ||
| 1236 | The source rectangle in frame buffer memory coordinates is given by | ||
| 1237 | the <parameter>src_x</parameter>, <parameter>src_y</parameter>, | ||
| 1238 | <parameter>src_w</parameter> and <parameter>src_h</parameter> | ||
| 1239 | parameters (as 16.16 fixed point values). Devices that don't support | ||
| 1240 | subpixel plane coordinates can ignore the fractional part. | ||
| 1241 | </para> | ||
| 1242 | <para> | ||
| 1243 | The destination rectangle in CRTC coordinates is given by the | ||
| 1244 | <parameter>crtc_x</parameter>, <parameter>crtc_y</parameter>, | ||
| 1245 | <parameter>crtc_w</parameter> and <parameter>crtc_h</parameter> | ||
| 1246 | parameters (as integer values). Devices scale the source rectangle to | ||
| 1247 | the destination rectangle. If scaling is not supported, and the source | ||
| 1248 | rectangle size doesn't match the destination rectangle size, the | ||
| 1249 | driver must return a -<errorname>EINVAL</errorname> error. | ||
| 1250 | </para> | ||
| 1251 | </listitem> | ||
| 1252 | <listitem> | ||
| 1253 | <synopsis>int (*disable_plane)(struct drm_plane *plane);</synopsis> | ||
| 1254 | <para> | ||
| 1255 | Disable the plane. The DRM core calls this method in response to a | ||
| 1256 | DRM_IOCTL_MODE_SETPLANE ioctl call with the frame buffer ID set to 0. | ||
| 1257 | Disabled planes must not be processed by the CRTC. | ||
| 1258 | </para> | ||
| 1259 | </listitem> | ||
| 1260 | <listitem> | ||
| 1261 | <synopsis>void (*destroy)(struct drm_plane *plane);</synopsis> | ||
| 1262 | <para> | ||
| 1263 | Destroy the plane when not needed anymore. See | ||
| 1264 | <xref linkend="drm-kms-init"/>. | ||
| 1265 | </para> | ||
| 1266 | </listitem> | ||
| 1267 | </itemizedlist> | ||
| 1268 | </sect3> | ||
| 1269 | </sect2> | ||
| 1270 | <sect2> | ||
| 1271 | <title>Encoders (struct <structname>drm_encoder</structname>)</title> | ||
| 1272 | <para> | ||
| 1273 | An encoder takes pixel data from a CRTC and converts it to a format | ||
| 1274 | suitable for any attached connectors. On some devices, it may be | ||
| 1275 | possible to have a CRTC send data to more than one encoder. In that | ||
| 1276 | case, both encoders would receive data from the same scanout buffer, | ||
| 1277 | resulting in a "cloned" display configuration across the connectors | ||
| 1278 | attached to each encoder. | ||
| 1279 | </para> | ||
| 1280 | <sect3> | ||
| 1281 | <title>Encoder Initialization</title> | ||
| 1282 | <para> | ||
| 1283 | As for CRTCs, a KMS driver must create, initialize and register at | ||
| 1284 | least one struct <structname>drm_encoder</structname> instance. The | ||
| 1285 | instance is allocated and zeroed by the driver, possibly as part of a | ||
| 1286 | larger structure. | ||
| 1287 | </para> | ||
| 1288 | <para> | ||
| 1289 | Drivers must initialize the struct <structname>drm_encoder</structname> | ||
| 1290 | <structfield>possible_crtcs</structfield> and | ||
| 1291 | <structfield>possible_clones</structfield> fields before registering the | ||
| 1292 | encoder. Both fields are bitmasks of respectively the CRTCs that the | ||
| 1293 | encoder can be connected to, and sibling encoders candidate for cloning. | ||
| 1294 | </para> | ||
| 1295 | <para> | ||
| 1296 | After being initialized, the encoder must be registered with a call to | ||
| 1297 | <function>drm_encoder_init</function>. The function takes a pointer to | ||
| 1298 | the encoder functions and an encoder type. Supported types are | ||
| 1299 | <itemizedlist> | ||
| 1300 | <listitem> | ||
| 1301 | DRM_MODE_ENCODER_DAC for VGA and analog on DVI-I/DVI-A | ||
| 1302 | </listitem> | ||
| 1303 | <listitem> | ||
| 1304 | DRM_MODE_ENCODER_TMDS for DVI, HDMI and (embedded) DisplayPort | ||
| 1305 | </listitem> | ||
| 1306 | <listitem> | ||
| 1307 | DRM_MODE_ENCODER_LVDS for display panels | ||
| 1308 | </listitem> | ||
| 1309 | <listitem> | ||
| 1310 | DRM_MODE_ENCODER_TVDAC for TV output (Composite, S-Video, Component, | ||
| 1311 | SCART) | ||
| 1312 | </listitem> | ||
| 1313 | <listitem> | ||
| 1314 | DRM_MODE_ENCODER_VIRTUAL for virtual machine displays | ||
| 1315 | </listitem> | ||
| 1316 | </itemizedlist> | ||
| 1317 | </para> | ||
| 1318 | <para> | ||
| 1319 | Encoders must be attached to a CRTC to be used. DRM drivers leave | ||
| 1320 | encoders unattached at initialization time. Applications (or the fbdev | ||
| 1321 | compatibility layer when implemented) are responsible for attaching the | ||
| 1322 | encoders they want to use to a CRTC. | ||
| 1323 | </para> | ||
| 1324 | </sect3> | ||
| 1325 | <sect3> | ||
| 1326 | <title>Encoder Operations</title> | ||
| 1327 | <itemizedlist> | ||
| 1328 | <listitem> | ||
| 1329 | <synopsis>void (*destroy)(struct drm_encoder *encoder);</synopsis> | ||
| 1330 | <para> | ||
| 1331 | Called to destroy the encoder when not needed anymore. See | ||
| 1332 | <xref linkend="drm-kms-init"/>. | ||
| 1333 | </para> | ||
| 1334 | </listitem> | ||
| 1335 | </itemizedlist> | ||
| 1336 | </sect3> | ||
| 1337 | </sect2> | ||
| 1338 | <sect2> | ||
| 1339 | <title>Connectors (struct <structname>drm_connector</structname>)</title> | ||
| 1340 | <para> | ||
| 1341 | A connector is the final destination for pixel data on a device, and | ||
| 1342 | usually connects directly to an external display device like a monitor | ||
| 1343 | or laptop panel. A connector can only be attached to one encoder at a | ||
| 1344 | time. The connector is also the structure where information about the | ||
| 1345 | attached display is kept, so it contains fields for display data, EDID | ||
| 1346 | data, DPMS & connection status, and information about modes | ||
| 1347 | supported on the attached displays. | ||
| 1348 | </para> | ||
| 1349 | <sect3> | ||
| 1350 | <title>Connector Initialization</title> | ||
| 1351 | <para> | ||
| 1352 | Finally a KMS driver must create, initialize, register and attach at | ||
| 1353 | least one struct <structname>drm_connector</structname> instance. The | ||
| 1354 | instance is created as other KMS objects and initialized by setting the | ||
| 1355 | following fields. | ||
| 1356 | </para> | ||
| 1357 | <variablelist> | ||
| 1358 | <varlistentry> | ||
| 1359 | <term><structfield>interlace_allowed</structfield></term> | ||
| 1360 | <listitem><para> | ||
| 1361 | Whether the connector can handle interlaced modes. | ||
| 1362 | </para></listitem> | ||
| 1363 | </varlistentry> | ||
| 1364 | <varlistentry> | ||
| 1365 | <term><structfield>doublescan_allowed</structfield></term> | ||
| 1366 | <listitem><para> | ||
| 1367 | Whether the connector can handle doublescan. | ||
| 1368 | </para></listitem> | ||
| 1369 | </varlistentry> | ||
| 1370 | <varlistentry> | ||
| 1371 | <term><structfield>display_info | ||
| 1372 | </structfield></term> | ||
| 1373 | <listitem><para> | ||
| 1374 | Display information is filled from EDID information when a display | ||
| 1375 | is detected. For non hot-pluggable displays such as flat panels in | ||
| 1376 | embedded systems, the driver should initialize the | ||
| 1377 | <structfield>display_info</structfield>.<structfield>width_mm</structfield> | ||
| 1378 | and | ||
| 1379 | <structfield>display_info</structfield>.<structfield>height_mm</structfield> | ||
| 1380 | fields with the physical size of the display. | ||
| 1381 | </para></listitem> | ||
| 1382 | </varlistentry> | ||
| 1383 | <varlistentry> | ||
| 1384 | <term id="drm-kms-connector-polled"><structfield>polled</structfield></term> | ||
| 1385 | <listitem><para> | ||
| 1386 | Connector polling mode, a combination of | ||
| 1387 | <variablelist> | ||
| 1388 | <varlistentry> | ||
| 1389 | <term>DRM_CONNECTOR_POLL_HPD</term> | ||
| 1390 | <listitem><para> | ||
| 1391 | The connector generates hotplug events and doesn't need to be | ||
| 1392 | periodically polled. The CONNECT and DISCONNECT flags must not | ||
| 1393 | be set together with the HPD flag. | ||
| 1394 | </para></listitem> | ||
| 1395 | </varlistentry> | ||
| 1396 | <varlistentry> | ||
| 1397 | <term>DRM_CONNECTOR_POLL_CONNECT</term> | ||
| 1398 | <listitem><para> | ||
| 1399 | Periodically poll the connector for connection. | ||
| 1400 | </para></listitem> | ||
| 1401 | </varlistentry> | ||
| 1402 | <varlistentry> | ||
| 1403 | <term>DRM_CONNECTOR_POLL_DISCONNECT</term> | ||
| 1404 | <listitem><para> | ||
| 1405 | Periodically poll the connector for disconnection. | ||
| 1406 | </para></listitem> | ||
| 1407 | </varlistentry> | ||
| 1408 | </variablelist> | ||
| 1409 | Set to 0 for connectors that don't support connection status | ||
| 1410 | discovery. | ||
| 1411 | </para></listitem> | ||
| 1412 | </varlistentry> | ||
| 1413 | </variablelist> | ||
| 1414 | <para> | ||
| 1415 | The connector is then registered with a call to | ||
| 1416 | <function>drm_connector_init</function> with a pointer to the connector | ||
| 1417 | functions and a connector type, and exposed through sysfs with a call to | ||
| 1418 | <function>drm_sysfs_connector_add</function>. | ||
| 1419 | </para> | ||
| 1420 | <para> | ||
| 1421 | Supported connector types are | ||
| 1422 | <itemizedlist> | ||
| 1423 | <listitem>DRM_MODE_CONNECTOR_VGA</listitem> | ||
| 1424 | <listitem>DRM_MODE_CONNECTOR_DVII</listitem> | ||
| 1425 | <listitem>DRM_MODE_CONNECTOR_DVID</listitem> | ||
| 1426 | <listitem>DRM_MODE_CONNECTOR_DVIA</listitem> | ||
| 1427 | <listitem>DRM_MODE_CONNECTOR_Composite</listitem> | ||
| 1428 | <listitem>DRM_MODE_CONNECTOR_SVIDEO</listitem> | ||
| 1429 | <listitem>DRM_MODE_CONNECTOR_LVDS</listitem> | ||
| 1430 | <listitem>DRM_MODE_CONNECTOR_Component</listitem> | ||
| 1431 | <listitem>DRM_MODE_CONNECTOR_9PinDIN</listitem> | ||
| 1432 | <listitem>DRM_MODE_CONNECTOR_DisplayPort</listitem> | ||
| 1433 | <listitem>DRM_MODE_CONNECTOR_HDMIA</listitem> | ||
| 1434 | <listitem>DRM_MODE_CONNECTOR_HDMIB</listitem> | ||
| 1435 | <listitem>DRM_MODE_CONNECTOR_TV</listitem> | ||
| 1436 | <listitem>DRM_MODE_CONNECTOR_eDP</listitem> | ||
| 1437 | <listitem>DRM_MODE_CONNECTOR_VIRTUAL</listitem> | ||
| 1438 | </itemizedlist> | ||
| 1439 | </para> | ||
| 1440 | <para> | ||
| 1441 | Connectors must be attached to an encoder to be used. For devices that | ||
| 1442 | map connectors to encoders 1:1, the connector should be attached at | ||
| 1443 | initialization time with a call to | ||
| 1444 | <function>drm_mode_connector_attach_encoder</function>. The driver must | ||
| 1445 | also set the <structname>drm_connector</structname> | ||
| 1446 | <structfield>encoder</structfield> field to point to the attached | ||
| 1447 | encoder. | ||
| 1448 | </para> | ||
| 1449 | <para> | ||
| 1450 | Finally, drivers must initialize the connectors state change detection | ||
| 1451 | with a call to <function>drm_kms_helper_poll_init</function>. If at | ||
| 1452 | least one connector is pollable but can't generate hotplug interrupts | ||
| 1453 | (indicated by the DRM_CONNECTOR_POLL_CONNECT and | ||
| 1454 | DRM_CONNECTOR_POLL_DISCONNECT connector flags), a delayed work will | ||
| 1455 | automatically be queued to periodically poll for changes. Connectors | ||
| 1456 | that can generate hotplug interrupts must be marked with the | ||
| 1457 | DRM_CONNECTOR_POLL_HPD flag instead, and their interrupt handler must | ||
| 1458 | call <function>drm_helper_hpd_irq_event</function>. The function will | ||
| 1459 | queue a delayed work to check the state of all connectors, but no | ||
| 1460 | periodic polling will be done. | ||
| 1461 | </para> | ||
| 1462 | </sect3> | ||
| 1463 | <sect3> | ||
| 1464 | <title>Connector Operations</title> | ||
| 1465 | <note><para> | ||
| 1466 | Unless otherwise state, all operations are mandatory. | ||
| 1467 | </para></note> | ||
| 1468 | <sect4> | ||
| 1469 | <title>DPMS</title> | ||
| 1470 | <synopsis>void (*dpms)(struct drm_connector *connector, int mode);</synopsis> | ||
| 1471 | <para> | ||
| 1472 | The DPMS operation sets the power state of a connector. The mode | ||
| 1473 | argument is one of | ||
| 1474 | <itemizedlist> | ||
| 1475 | <listitem><para>DRM_MODE_DPMS_ON</para></listitem> | ||
| 1476 | <listitem><para>DRM_MODE_DPMS_STANDBY</para></listitem> | ||
| 1477 | <listitem><para>DRM_MODE_DPMS_SUSPEND</para></listitem> | ||
| 1478 | <listitem><para>DRM_MODE_DPMS_OFF</para></listitem> | ||
| 1479 | </itemizedlist> | ||
| 1480 | </para> | ||
| 1481 | <para> | ||
| 1482 | In all but DPMS_ON mode the encoder to which the connector is attached | ||
| 1483 | should put the display in low-power mode by driving its signals | ||
| 1484 | appropriately. If more than one connector is attached to the encoder | ||
| 1485 | care should be taken not to change the power state of other displays as | ||
| 1486 | a side effect. Low-power mode should be propagated to the encoders and | ||
| 1487 | CRTCs when all related connectors are put in low-power mode. | ||
| 1488 | </para> | ||
| 1489 | </sect4> | ||
| 1490 | <sect4> | ||
| 1491 | <title>Modes</title> | ||
| 1492 | <synopsis>int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, | ||
| 1493 | uint32_t max_height);</synopsis> | ||
| 1494 | <para> | ||
| 1495 | Fill the mode list with all supported modes for the connector. If the | ||
| 1496 | <parameter>max_width</parameter> and <parameter>max_height</parameter> | ||
| 1497 | arguments are non-zero, the implementation must ignore all modes wider | ||
| 1498 | than <parameter>max_width</parameter> or higher than | ||
| 1499 | <parameter>max_height</parameter>. | ||
| 1500 | </para> | ||
| 1501 | <para> | ||
| 1502 | The connector must also fill in this operation its | ||
| 1503 | <structfield>display_info</structfield> | ||
| 1504 | <structfield>width_mm</structfield> and | ||
| 1505 | <structfield>height_mm</structfield> fields with the connected display | ||
| 1506 | physical size in millimeters. The fields should be set to 0 if the value | ||
| 1507 | isn't known or is not applicable (for instance for projector devices). | ||
| 1508 | </para> | ||
| 1509 | </sect4> | ||
| 1510 | <sect4> | ||
| 1511 | <title>Connection Status</title> | ||
| 1512 | <para> | ||
| 1513 | The connection status is updated through polling or hotplug events when | ||
| 1514 | supported (see <xref linkend="drm-kms-connector-polled"/>). The status | ||
| 1515 | value is reported to userspace through ioctls and must not be used | ||
| 1516 | inside the driver, as it only gets initialized by a call to | ||
| 1517 | <function>drm_mode_getconnector</function> from userspace. | ||
| 1518 | </para> | ||
| 1519 | <synopsis>enum drm_connector_status (*detect)(struct drm_connector *connector, | ||
| 1520 | bool force);</synopsis> | ||
| 1521 | <para> | ||
| 1522 | Check to see if anything is attached to the connector. The | ||
| 1523 | <parameter>force</parameter> parameter is set to false whilst polling or | ||
| 1524 | to true when checking the connector due to user request. | ||
| 1525 | <parameter>force</parameter> can be used by the driver to avoid | ||
| 1526 | expensive, destructive operations during automated probing. | ||
| 1527 | </para> | ||
| 1528 | <para> | ||
| 1529 | Return connector_status_connected if something is connected to the | ||
| 1530 | connector, connector_status_disconnected if nothing is connected and | ||
| 1531 | connector_status_unknown if the connection state isn't known. | ||
| 1532 | </para> | ||
| 1533 | <para> | ||
| 1534 | Drivers should only return connector_status_connected if the connection | ||
| 1535 | status has really been probed as connected. Connectors that can't detect | ||
| 1536 | the connection status, or failed connection status probes, should return | ||
| 1537 | connector_status_unknown. | ||
| 1538 | </para> | ||
| 1539 | </sect4> | ||
| 1540 | <sect4> | ||
| 1541 | <title>Miscellaneous</title> | ||
| 1542 | <itemizedlist> | ||
| 1543 | <listitem> | ||
| 1544 | <synopsis>void (*destroy)(struct drm_connector *connector);</synopsis> | ||
| 1545 | <para> | ||
| 1546 | Destroy the connector when not needed anymore. See | ||
| 1547 | <xref linkend="drm-kms-init"/>. | ||
| 1548 | </para> | ||
| 1549 | </listitem> | ||
| 1550 | </itemizedlist> | ||
| 1551 | </sect4> | ||
| 1552 | </sect3> | ||
| 1553 | </sect2> | ||
| 1554 | <sect2> | ||
| 1555 | <title>Cleanup</title> | ||
| 1556 | <para> | ||
| 1557 | The DRM core manages its objects' lifetime. When an object is not needed | ||
| 1558 | anymore the core calls its destroy function, which must clean up and | ||
| 1559 | free every resource allocated for the object. Every | ||
| 1560 | <function>drm_*_init</function> call must be matched with a | ||
| 1561 | corresponding <function>drm_*_cleanup</function> call to cleanup CRTCs | ||
| 1562 | (<function>drm_crtc_cleanup</function>), planes | ||
| 1563 | (<function>drm_plane_cleanup</function>), encoders | ||
| 1564 | (<function>drm_encoder_cleanup</function>) and connectors | ||
| 1565 | (<function>drm_connector_cleanup</function>). Furthermore, connectors | ||
| 1566 | that have been added to sysfs must be removed by a call to | ||
| 1567 | <function>drm_sysfs_connector_remove</function> before calling | ||
| 1568 | <function>drm_connector_cleanup</function>. | ||
| 1569 | </para> | ||
| 1570 | <para> | ||
| 1571 | Connectors state change detection must be cleanup up with a call to | ||
| 1572 | <function>drm_kms_helper_poll_fini</function>. | ||
| 1573 | </para> | ||
| 1574 | </sect2> | ||
| 1575 | <sect2> | ||
| 1576 | <title>Output discovery and initialization example</title> | ||
| 1577 | <programlisting><![CDATA[ | ||
| 524 | void intel_crt_init(struct drm_device *dev) | 1578 | void intel_crt_init(struct drm_device *dev) |
| 525 | { | 1579 | { |
| 526 | struct drm_connector *connector; | 1580 | struct drm_connector *connector; |
| @@ -556,252 +1610,741 @@ void intel_crt_init(struct drm_device *dev) · 29 unmodified lines | |||
| 556 | drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); | 1610 | drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); |
| 557 | 1611 | ||
| 558 | drm_sysfs_connector_add(connector); | 1612 | drm_sysfs_connector_add(connector); |
| 559 | } | 1613 | }]]></programlisting> |
| 560 | ]]> | 1614 | <para> |
| 561 | </programlisting> | 1615 | In the example above (taken from the i915 driver), a CRTC, connector and |
| 562 | <para> | 1616 | encoder combination is created. A device-specific i2c bus is also |
| 563 | In the example above (again, taken from the i915 driver), a | 1617 | created for fetching EDID data and performing monitor detection. Once |
| 564 | CRT connector and encoder combination is created. A device-specific | 1618 | the process is complete, the new connector is registered with sysfs to |
| 565 | i2c bus is also created for fetching EDID data and | 1619 | make its properties available to applications. |
| 566 | performing monitor detection. Once the process is complete, | 1620 | </para> |
| 567 | the new connector is registered with sysfs to make its | ||
| 568 | properties available to applications. | ||
| 569 | </para> | ||
| 570 | <sect4> | ||
| 571 | <title>Helper functions and core functions</title> | ||
| 572 | <para> | ||
| 573 | Since many PC-class graphics devices have similar display output | ||
| 574 | designs, the DRM provides a set of helper functions to make | ||
| 575 | output management easier. The core helper routines handle | ||
| 576 | encoder re-routing and the disabling of unused functions following | ||
| 577 | mode setting. Using the helpers is optional, but recommended for | ||
| 578 | devices with PC-style architectures (i.e. a set of display planes | ||
| 579 | for feeding pixels to encoders which are in turn routed to | ||
| 580 | connectors). Devices with more complex requirements needing | ||
| 581 | finer grained management may opt to use the core callbacks | ||
| 582 | directly. | ||
| 583 | </para> | ||
| 584 | <para> | ||
| 585 | [Insert typical diagram here.] [Insert OMAP style config here.] | ||
| 586 | </para> | ||
| 587 | </sect4> | ||
| 588 | <para> | ||
| 589 | Each encoder object needs to provide: | ||
| 590 | <itemizedlist> | ||
| 591 | <listitem> | ||
| 592 | A DPMS (basically on/off) function. | ||
| 593 | </listitem> | ||
| 594 | <listitem> | ||
| 595 | A mode-fixup function (for converting requested modes into | ||
| 596 | native hardware timings). | ||
| 597 | </listitem> | ||
| 598 | <listitem> | ||
| 599 | Functions (prepare, set, and commit) for use by the core DRM | ||
| 600 | helper functions. | ||
| 601 | </listitem> | ||
| 602 | </itemizedlist> | ||
| 603 | Connector helpers need to provide functions (mode-fetch, validity, | ||
| 604 | and encoder-matching) for returning an ideal encoder for a given | ||
| 605 | connector. The core connector functions include a DPMS callback, | ||
| 606 | save/restore routines (deprecated), detection, mode probing, | ||
| 607 | property handling, and cleanup functions. | ||
| 608 | </para> | ||
| 609 | <!--!Edrivers/char/drm/drm_crtc.h--> | ||
| 610 | <!--!Edrivers/char/drm/drm_crtc.c--> | ||
| 611 | <!--!Edrivers/char/drm/drm_crtc_helper.c--> | ||
| 612 | </sect3> | ||
| 613 | </sect2> | 1621 | </sect2> |
| 614 | </sect1> | 1622 | </sect1> |
| 615 | 1623 | ||
| 616 | <!-- Internals: vblank handling --> | 1624 | <!-- Internals: mid-layer helper functions --> |
| 617 | 1625 | ||
| 618 | <sect1> | 1626 | <sect1> |
| 619 | <title>VBlank event handling</title> | 1627 | <title>Mid-layer Helper Functions</title> |
| 620 | <para> | 1628 | <para> |
| 621 | The DRM core exposes two vertical blank related ioctls: | 1629 | The CRTC, encoder and connector functions provided by the drivers |
| 622 | <variablelist> | 1630 | implement the DRM API. They're called by the DRM core and ioctl handlers |
| 623 | <varlistentry> | 1631 | to handle device state changes and configuration request. As implementing |
| 624 | <term>DRM_IOCTL_WAIT_VBLANK</term> | 1632 | those functions often requires logic not specific to drivers, mid-layer |
| 625 | <listitem> | 1633 | helper functions are available to avoid duplicating boilerplate code. |
| 626 | <para> | 1634 | </para> |
| 627 | This takes a struct drm_wait_vblank structure as its argument, | 1635 | <para> |
| 628 | and it is used to block or request a signal when a specified | 1636 | The DRM core contains one mid-layer implementation. The mid-layer provides |
| 629 | vblank event occurs. | 1637 | implementations of several CRTC, encoder and connector functions (called |
| 630 | </para> | 1638 | from the top of the mid-layer) that pre-process requests and call |
| 631 | </listitem> | 1639 | lower-level functions provided by the driver (at the bottom of the |
| 632 | </varlistentry> | 1640 | mid-layer). For instance, the |
| 633 | <varlistentry> | 1641 | <function>drm_crtc_helper_set_config</function> function can be used to |
| 634 | <term>DRM_IOCTL_MODESET_CTL</term> | 1642 | fill the struct <structname>drm_crtc_funcs</structname> |
| 635 | <listitem> | 1643 | <structfield>set_config</structfield> field. When called, it will split |
| 636 | <para> | 1644 | the <methodname>set_config</methodname> operation in smaller, simpler |
| 637 | This should be called by application level drivers before and | 1645 | operations and call the driver to handle them. |
| 638 | after mode setting, since on many devices the vertical blank | ||
| 639 | counter is reset at that time. Internally, the DRM snapshots | ||
| 640 | the last vblank count when the ioctl is called with the | ||
| 641 | _DRM_PRE_MODESET command, so that the counter won't go backwards | ||
| 642 | (which is dealt with when _DRM_POST_MODESET is used). | ||
| 643 | </para> | ||
| 644 | </listitem> | ||
| 645 | </varlistentry> | ||
| 646 | </variablelist> | ||
| 647 | <!--!Edrivers/char/drm/drm_irq.c--> | ||
| 648 | </para> | 1646 | </para> |
| 649 | <para> | 1647 | <para> |
| 650 | To support the functions above, the DRM core provides several | 1648 | To use the mid-layer, drivers call <function>drm_crtc_helper_add</function>, |
| 651 | helper functions for tracking vertical blank counters, and | 1649 | <function>drm_encoder_helper_add</function> and |
| 652 | requires drivers to provide several callbacks: | 1650 | <function>drm_connector_helper_add</function> functions to install their |
| 653 | get_vblank_counter(), enable_vblank() and disable_vblank(). The | 1651 | mid-layer bottom operations handlers, and fill the |
| 654 | core uses get_vblank_counter() to keep the counter accurate | 1652 | <structname>drm_crtc_funcs</structname>, |
| 655 | across interrupt disable periods. It should return the current | 1653 | <structname>drm_encoder_funcs</structname> and |
| 656 | vertical blank event count, which is often tracked in a device | 1654 | <structname>drm_connector_funcs</structname> structures with pointers to |
| 657 | register. The enable and disable vblank callbacks should enable | 1655 | the mid-layer top API functions. Installing the mid-layer bottom operation |
| 658 | and disable vertical blank interrupts, respectively. In the | 1656 | handlers is best done right after registering the corresponding KMS object. |
| 659 | absence of DRM clients waiting on vblank events, the core DRM | ||
| 660 | code uses the disable_vblank() function to disable | ||
| 661 | interrupts, which saves power. They are re-enabled again when | ||
| 662 | a client calls the vblank wait ioctl above. | ||
| 663 | </para> | 1657 | </para> |
| 664 | <para> | 1658 | <para> |
| 665 | A device that doesn't provide a count register may simply use an | 1659 | The mid-layer is not split between CRTC, encoder and connector operations. |
| 666 | internal atomic counter incremented on every vertical blank | 1660 | To use it, a driver must provide bottom functions for all of the three KMS |
| 667 | interrupt (and then treat the enable_vblank() and disable_vblank() | 1661 | entities. |
| 668 | callbacks as no-ops). | ||
| 669 | </para> | 1662 | </para> |
| 1663 | <sect2> | ||
| 1664 | <title>Helper Functions</title> | ||
| 1665 | <itemizedlist> | ||
| 1666 | <listitem> | ||
| 1667 | <synopsis>int drm_crtc_helper_set_config(struct drm_mode_set *set);</synopsis> | ||
| 1668 | <para> | ||
| 1669 | The <function>drm_crtc_helper_set_config</function> helper function | ||
| 1670 | is a CRTC <methodname>set_config</methodname> implementation. It | ||
| 1671 | first tries to locate the best encoder for each connector by calling | ||
| 1672 | the connector <methodname>best_encoder</methodname> helper | ||
| 1673 | operation. | ||
| 1674 | </para> | ||
| 1675 | <para> | ||
| 1676 | After locating the appropriate encoders, the helper function will | ||
| 1677 | call the <methodname>mode_fixup</methodname> encoder and CRTC helper | ||
| 1678 | operations to adjust the requested mode, or reject it completely in | ||
| 1679 | which case an error will be returned to the application. If the new | ||
| 1680 | configuration after mode adjustment is identical to the current | ||
| 1681 | configuration the helper function will return without performing any | ||
| 1682 | other operation. | ||
| 1683 | </para> | ||
| 1684 | <para> | ||
| 1685 | If the adjusted mode is identical to the current mode but changes to | ||
| 1686 | the frame buffer need to be applied, the | ||
| 1687 | <function>drm_crtc_helper_set_config</function> function will call | ||
| 1688 | the CRTC <methodname>mode_set_base</methodname> helper operation. If | ||
| 1689 | the adjusted mode differs from the current mode, or if the | ||
| 1690 | <methodname>mode_set_base</methodname> helper operation is not | ||
| 1691 | provided, the helper function performs a full mode set sequence by | ||
| 1692 | calling the <methodname>prepare</methodname>, | ||
| 1693 | <methodname>mode_set</methodname> and | ||
| 1694 | <methodname>commit</methodname> CRTC and encoder helper operations, | ||
| 1695 | in that order. | ||
| 1696 | </para> | ||
| 1697 | </listitem> | ||
| 1698 | <listitem> | ||
| 1699 | <synopsis>void drm_helper_connector_dpms(struct drm_connector *connector, int mode);</synopsis> | ||
| 1700 | <para> | ||
| 1701 | The <function>drm_helper_connector_dpms</function> helper function | ||
| 1702 | is a connector <methodname>dpms</methodname> implementation that | ||
| 1703 | tracks power state of connectors. To use the function, drivers must | ||
| 1704 | provide <methodname>dpms</methodname> helper operations for CRTCs | ||
| 1705 | and encoders to apply the DPMS state to the device. | ||
| 1706 | </para> | ||
| 1707 | <para> | ||
| 1708 | The mid-layer doesn't track the power state of CRTCs and encoders. | ||
| 1709 | The <methodname>dpms</methodname> helper operations can thus be | ||
| 1710 | called with a mode identical to the currently active mode. | ||
| 1711 | </para> | ||
| 1712 | </listitem> | ||
| 1713 | <listitem> | ||
| 1714 | <synopsis>int drm_helper_probe_single_connector_modes(struct drm_connector *connector, | ||
| 1715 | uint32_t maxX, uint32_t maxY);</synopsis> | ||
| 1716 | <para> | ||
| 1717 | The <function>drm_helper_probe_single_connector_modes</function> helper | ||
| 1718 | function is a connector <methodname>fill_modes</methodname> | ||
| 1719 | implementation that updates the connection status for the connector | ||
| 1720 | and then retrieves a list of modes by calling the connector | ||
| 1721 | <methodname>get_modes</methodname> helper operation. | ||
| 1722 | </para> | ||
| 1723 | <para> | ||
| 1724 | The function filters out modes larger than | ||
| 1725 | <parameter>max_width</parameter> and <parameter>max_height</parameter> | ||
| 1726 | if specified. It then calls the connector | ||
| 1727 | <methodname>mode_valid</methodname> helper operation for each mode in | ||
| 1728 | the probed list to check whether the mode is valid for the connector. | ||
| 1729 | </para> | ||
| 1730 | </listitem> | ||
| 1731 | </itemizedlist> | ||
| 1732 | </sect2> | ||
| 1733 | <sect2> | ||
| 1734 | <title>CRTC Helper Operations</title> | ||
| 1735 | <itemizedlist> | ||
| 1736 | <listitem id="drm-helper-crtc-mode-fixup"> | ||
| 1737 | <synopsis>bool (*mode_fixup)(struct drm_crtc *crtc, | ||
| 1738 | const struct drm_display_mode *mode, | ||
| 1739 | struct drm_display_mode *adjusted_mode);</synopsis> | ||
| 1740 | <para> | ||
| 1741 | Let CRTCs adjust the requested mode or reject it completely. This | ||
| 1742 | operation returns true if the mode is accepted (possibly after being | ||
| 1743 | adjusted) or false if it is rejected. | ||
| 1744 | </para> | ||
| 1745 | <para> | ||
| 1746 | The <methodname>mode_fixup</methodname> operation should reject the | ||
| 1747 | mode if it can't reasonably use it. The definition of "reasonable" | ||
| 1748 | is currently fuzzy in this context. One possible behaviour would be | ||
| 1749 | to set the adjusted mode to the panel timings when a fixed-mode | ||
| 1750 | panel is used with hardware capable of scaling. Another behaviour | ||
| 1751 | would be to accept any input mode and adjust it to the closest mode | ||
| 1752 | supported by the hardware (FIXME: This needs to be clarified). | ||
| 1753 | </para> | ||
| 1754 | </listitem> | ||
| 1755 | <listitem> | ||
| 1756 | <synopsis>int (*mode_set_base)(struct drm_crtc *crtc, int x, int y, | ||
| 1757 | struct drm_framebuffer *old_fb)</synopsis> | ||
| 1758 | <para> | ||
| 1759 | Move the CRTC on the current frame buffer (stored in | ||
| 1760 | <literal>crtc->fb</literal>) to position (x,y). Any of the frame | ||
| 1761 | buffer, x position or y position may have been modified. | ||
| 1762 | </para> | ||
| 1763 | <para> | ||
| 1764 | This helper operation is optional. If not provided, the | ||
| 1765 | <function>drm_crtc_helper_set_config</function> function will fall | ||
| 1766 | back to the <methodname>mode_set</methodname> helper operation. | ||
| 1767 | </para> | ||
| 1768 | <note><para> | ||
| 1769 | FIXME: Why are x and y passed as arguments, as they can be accessed | ||
| 1770 | through <literal>crtc->x</literal> and | ||
| 1771 | <literal>crtc->y</literal>? | ||
| 1772 | </para></note> | ||
| 1773 | </listitem> | ||
| 1774 | <listitem> | ||
| 1775 | <synopsis>void (*prepare)(struct drm_crtc *crtc);</synopsis> | ||
| 1776 | <para> | ||
| 1777 | Prepare the CRTC for mode setting. This operation is called after | ||
| 1778 | validating the requested mode. Drivers use it to perform | ||
| 1779 | device-specific operations required before setting the new mode. | ||
| 1780 | </para> | ||
| 1781 | </listitem> | ||
| 1782 | <listitem> | ||
| 1783 | <synopsis>int (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode, | ||
| 1784 | struct drm_display_mode *adjusted_mode, int x, int y, | ||
| 1785 | struct drm_framebuffer *old_fb);</synopsis> | ||
| 1786 | <para> | ||
| 1787 | Set a new mode, position and frame buffer. Depending on the device | ||
| 1788 | requirements, the mode can be stored internally by the driver and | ||
| 1789 | applied in the <methodname>commit</methodname> operation, or | ||
| 1790 | programmed to the hardware immediately. | ||
| 1791 | </para> | ||
| 1792 | <para> | ||
| 1793 | The <methodname>mode_set</methodname> operation returns 0 on success | ||
| 1794 | or a negative error code if an error occurs. | ||
| 1795 | </para> | ||
| 1796 | </listitem> | ||
| 1797 | <listitem> | ||
| 1798 | <synopsis>void (*commit)(struct drm_crtc *crtc);</synopsis> | ||
| 1799 | <para> | ||
| 1800 | Commit a mode. This operation is called after setting the new mode. | ||
| 1801 | Upon return the device must use the new mode and be fully | ||
| 1802 | operational. | ||
| 1803 | </para> | ||
| 1804 | </listitem> | ||
| 1805 | </itemizedlist> | ||
| 1806 | </sect2> | ||
| 1807 | <sect2> | ||
| 1808 | <title>Encoder Helper Operations</title> | ||
| 1809 | <itemizedlist> | ||
| 1810 | <listitem> | ||
| 1811 | <synopsis>bool (*mode_fixup)(struct drm_encoder *encoder, | ||
| 1812 | const struct drm_display_mode *mode, | ||
| 1813 | struct drm_display_mode *adjusted_mode);</synopsis> | ||
| 1814 | <note><para> | ||
| 1815 | FIXME: The mode argument be const, but the i915 driver modifies | ||
| 1816 | mode->clock in <function>intel_dp_mode_fixup</function>. | ||
| 1817 | </para></note> | ||
| 1818 | <para> | ||
| 1819 | Let encoders adjust the requested mode or reject it completely. This | ||
| 1820 | operation returns true if the mode is accepted (possibly after being | ||
| 1821 | adjusted) or false if it is rejected. See the | ||
| 1822 | <link linkend="drm-helper-crtc-mode-fixup">mode_fixup CRTC helper | ||
| 1823 | operation</link> for an explanation of the allowed adjustments. | ||
| 1824 | </para> | ||
| 1825 | </listitem> | ||
| 1826 | <listitem> | ||
| 1827 | <synopsis>void (*prepare)(struct drm_encoder *encoder);</synopsis> | ||
| 1828 | <para> | ||
| 1829 | Prepare the encoder for mode setting. This operation is called after | ||
| 1830 | validating the requested mode. Drivers use it to perform | ||
| 1831 | device-specific operations required before setting the new mode. | ||
| 1832 | </para> | ||
| 1833 | </listitem> | ||
| 1834 | <listitem> | ||
| 1835 | <synopsis>void (*mode_set)(struct drm_encoder *encoder, | ||
| 1836 | struct drm_display_mode *mode, | ||
| 1837 | struct drm_display_mode *adjusted_mode);</synopsis> | ||
| 1838 | <para> | ||
| 1839 | Set a new mode. Depending on the device requirements, the mode can | ||
| 1840 | be stored internally by the driver and applied in the | ||
| 1841 | <methodname>commit</methodname> operation, or programmed to the | ||
| 1842 | hardware immediately. | ||
| 1843 | </para> | ||
| 1844 | </listitem> | ||
| 1845 | <listitem> | ||
| 1846 | <synopsis>void (*commit)(struct drm_encoder *encoder);</synopsis> | ||
| 1847 | <para> | ||
| 1848 | Commit a mode. This operation is called after setting the new mode. | ||
| 1849 | Upon return the device must use the new mode and be fully | ||
| 1850 | operational. | ||
| 1851 | </para> | ||
| 1852 | </listitem> | ||
| 1853 | </itemizedlist> | ||
| 1854 | </sect2> | ||
| 1855 | <sect2> | ||
| 1856 | <title>Connector Helper Operations</title> | ||
| 1857 | <itemizedlist> | ||
| 1858 | <listitem> | ||
| 1859 | <synopsis>struct drm_encoder *(*best_encoder)(struct drm_connector *connector);</synopsis> | ||
| 1860 | <para> | ||
| 1861 | Return a pointer to the best encoder for the connecter. Device that | ||
| 1862 | map connectors to encoders 1:1 simply return the pointer to the | ||
| 1863 | associated encoder. This operation is mandatory. | ||
| 1864 | </para> | ||
| 1865 | </listitem> | ||
| 1866 | <listitem> | ||
| 1867 | <synopsis>int (*get_modes)(struct drm_connector *connector);</synopsis> | ||
| 1868 | <para> | ||
| 1869 | Fill the connector's <structfield>probed_modes</structfield> list | ||
| 1870 | by parsing EDID data with <function>drm_add_edid_modes</function> or | ||
| 1871 | calling <function>drm_mode_probed_add</function> directly for every | ||
| 1872 | supported mode and return the number of modes it has detected. This | ||
| 1873 | operation is mandatory. | ||
| 1874 | </para> | ||
| 1875 | <para> | ||
| 1876 | When adding modes manually the driver creates each mode with a call to | ||
| 1877 | <function>drm_mode_create</function> and must fill the following fields. | ||
| 1878 | <itemizedlist> | ||
| 1879 | <listitem> | ||
| 1880 | <synopsis>__u32 type;</synopsis> | ||
| 1881 | <para> | ||
| 1882 | Mode type bitmask, a combination of | ||
| 1883 | <variablelist> | ||
| 1884 | <varlistentry> | ||
| 1885 | <term>DRM_MODE_TYPE_BUILTIN</term> | ||
| 1886 | <listitem><para>not used?</para></listitem> | ||
| 1887 | </varlistentry> | ||
| 1888 | <varlistentry> | ||
| 1889 | <term>DRM_MODE_TYPE_CLOCK_C</term> | ||
| 1890 | <listitem><para>not used?</para></listitem> | ||
| 1891 | </varlistentry> | ||
| 1892 | <varlistentry> | ||
| 1893 | <term>DRM_MODE_TYPE_CRTC_C</term> | ||
| 1894 | <listitem><para>not used?</para></listitem> | ||
| 1895 | </varlistentry> | ||
| 1896 | <varlistentry> | ||
| 1897 | <term> | ||
| 1898 | DRM_MODE_TYPE_PREFERRED - The preferred mode for the connector | ||
| 1899 | </term> | ||
| 1900 | <listitem> | ||
| 1901 | <para>not used?</para> | ||
| 1902 | </listitem> | ||
| 1903 | </varlistentry> | ||
| 1904 | <varlistentry> | ||
| 1905 | <term>DRM_MODE_TYPE_DEFAULT</term> | ||
| 1906 | <listitem><para>not used?</para></listitem> | ||
| 1907 | </varlistentry> | ||
| 1908 | <varlistentry> | ||
| 1909 | <term>DRM_MODE_TYPE_USERDEF</term> | ||
| 1910 | <listitem><para>not used?</para></listitem> | ||
| 1911 | </varlistentry> | ||
| 1912 | <varlistentry> | ||
| 1913 | <term>DRM_MODE_TYPE_DRIVER</term> | ||
| 1914 | <listitem> | ||
| 1915 | <para> | ||
| 1916 | The mode has been created by the driver (as opposed to | ||
| 1917 | to user-created modes). | ||
| 1918 | </para> | ||
| 1919 | </listitem> | ||
| 1920 | </varlistentry> | ||
| 1921 | </variablelist> | ||
| 1922 | Drivers must set the DRM_MODE_TYPE_DRIVER bit for all modes they | ||
| 1923 | create, and set the DRM_MODE_TYPE_PREFERRED bit for the preferred | ||
| 1924 | mode. | ||
| 1925 | </para> | ||
| 1926 | </listitem> | ||
| 1927 | <listitem> | ||
| 1928 | <synopsis>__u32 clock;</synopsis> | ||
| 1929 | <para>Pixel clock frequency in kHz unit</para> | ||
| 1930 | </listitem> | ||
| 1931 | <listitem> | ||
| 1932 | <synopsis>__u16 hdisplay, hsync_start, hsync_end, htotal; | ||
| 1933 | __u16 vdisplay, vsync_start, vsync_end, vtotal;</synopsis> | ||
| 1934 | <para>Horizontal and vertical timing information</para> | ||
| 1935 | <screen><![CDATA[ | ||
| 1936 | Active Front Sync Back | ||
| 1937 | Region Porch Porch | ||
| 1938 | <-----------------------><----------------><-------------><--------------> | ||
| 1939 | |||
| 1940 | //////////////////////| | ||
| 1941 | ////////////////////// | | ||
| 1942 | ////////////////////// |.................. ................ | ||
| 1943 | _______________ | ||
| 1944 | |||
| 1945 | <----- [hv]display -----> | ||
| 1946 | <------------- [hv]sync_start ------------> | ||
| 1947 | <--------------------- [hv]sync_end ---------------------> | ||
| 1948 | <-------------------------------- [hv]total -----------------------------> | ||
| 1949 | ]]></screen> | ||
| 1950 | </listitem> | ||
| 1951 | <listitem> | ||
| 1952 | <synopsis>__u16 hskew; | ||
| 1953 | __u16 vscan;</synopsis> | ||
| 1954 | <para>Unknown</para> | ||
| 1955 | </listitem> | ||
| 1956 | <listitem> | ||
| 1957 | <synopsis>__u32 flags;</synopsis> | ||
| 1958 | <para> | ||
| 1959 | Mode flags, a combination of | ||
| 1960 | <variablelist> | ||
| 1961 | <varlistentry> | ||
| 1962 | <term>DRM_MODE_FLAG_PHSYNC</term> | ||
| 1963 | <listitem><para> | ||
| 1964 | Horizontal sync is active high | ||
| 1965 | </para></listitem> | ||
| 1966 | </varlistentry> | ||
| 1967 | <varlistentry> | ||
| 1968 | <term>DRM_MODE_FLAG_NHSYNC</term> | ||
| 1969 | <listitem><para> | ||
| 1970 | Horizontal sync is active low | ||
| 1971 | </para></listitem> | ||
| 1972 | </varlistentry> | ||
| 1973 | <varlistentry> | ||
| 1974 | <term>DRM_MODE_FLAG_PVSYNC</term> | ||
| 1975 | <listitem><para> | ||
| 1976 | Vertical sync is active high | ||
| 1977 | </para></listitem> | ||
| 1978 | </varlistentry> | ||
| 1979 | <varlistentry> | ||
| 1980 | <term>DRM_MODE_FLAG_NVSYNC</term> | ||
| 1981 | <listitem><para> | ||
| 1982 | Vertical sync is active low | ||
| 1983 | </para></listitem> | ||
| 1984 | </varlistentry> | ||
| 1985 | <varlistentry> | ||
| 1986 | <term>DRM_MODE_FLAG_INTERLACE</term> | ||
| 1987 | <listitem><para> | ||
| 1988 | Mode is interlaced | ||
| 1989 | </para></listitem> | ||
| 1990 | </varlistentry> | ||
| 1991 | <varlistentry> | ||
| 1992 | <term>DRM_MODE_FLAG_DBLSCAN</term> | ||
| 1993 | <listitem><para> | ||
| 1994 | Mode uses doublescan | ||
| 1995 | </para></listitem> | ||
| 1996 | </varlistentry> | ||
| 1997 | <varlistentry> | ||
| 1998 | <term>DRM_MODE_FLAG_CSYNC</term> | ||
| 1999 | <listitem><para> | ||
| 2000 | Mode uses composite sync | ||
| 2001 | </para></listitem> | ||
| 2002 | </varlistentry> | ||
| 2003 | <varlistentry> | ||
| 2004 | <term>DRM_MODE_FLAG_PCSYNC</term> | ||
| 2005 | <listitem><para> | ||
| 2006 | Composite sync is active high | ||
| 2007 | </para></listitem> | ||
| 2008 | </varlistentry> | ||
| 2009 | <varlistentry> | ||
| 2010 | <term>DRM_MODE_FLAG_NCSYNC</term> | ||
| 2011 | <listitem><para> | ||
| 2012 | Composite sync is active low | ||
| 2013 | </para></listitem> | ||
| 2014 | </varlistentry> | ||
| 2015 | <varlistentry> | ||
| 2016 | <term>DRM_MODE_FLAG_HSKEW</term> | ||
| 2017 | <listitem><para> | ||
| 2018 | hskew provided (not used?) | ||
| 2019 | </para></listitem> | ||
| 2020 | </varlistentry> | ||
| 2021 | <varlistentry> | ||
| 2022 | <term>DRM_MODE_FLAG_BCAST</term> | ||
| 2023 | <listitem><para> | ||
| 2024 | not used? | ||
| 2025 | </para></listitem> | ||
| 2026 | </varlistentry> | ||
| 2027 | <varlistentry> | ||
| 2028 | <term>DRM_MODE_FLAG_PIXMUX</term> | ||
| 2029 | <listitem><para> | ||
| 2030 | not used? | ||
| 2031 | </para></listitem> | ||
| 2032 | </varlistentry> | ||
| 2033 | <varlistentry> | ||
| 2034 | <term>DRM_MODE_FLAG_DBLCLK</term> | ||
| 2035 | <listitem><para> | ||
| 2036 | not used? | ||
| 2037 | </para></listitem> | ||
| 2038 | </varlistentry> | ||
| 2039 | <varlistentry> | ||
| 2040 | <term>DRM_MODE_FLAG_CLKDIV2</term> | ||
| 2041 | <listitem><para> | ||
| 2042 | ? | ||
| 2043 | </para></listitem> | ||
| 2044 | </varlistentry> | ||
| 2045 | </variablelist> | ||
| 2046 | </para> | ||
| 2047 | <para> | ||
| 2048 | Note that modes marked with the INTERLACE or DBLSCAN flags will be | ||
| 2049 | filtered out by | ||
| 2050 | <function>drm_helper_probe_single_connector_modes</function> if | ||
| 2051 | the connector's <structfield>interlace_allowed</structfield> or | ||
| 2052 | <structfield>doublescan_allowed</structfield> field is set to 0. | ||
| 2053 | </para> | ||
| 2054 | </listitem> | ||
| 2055 | <listitem> | ||
| 2056 | <synopsis>char name[DRM_DISPLAY_MODE_LEN];</synopsis> | ||
| 2057 | <para> | ||
| 2058 | Mode name. The driver must call | ||
| 2059 | <function>drm_mode_set_name</function> to fill the mode name from | ||
| 2060 | <structfield>hdisplay</structfield>, | ||
| 2061 | <structfield>vdisplay</structfield> and interlace flag after | ||
| 2062 | filling the corresponding fields. | ||
| 2063 | </para> | ||
| 2064 | </listitem> | ||
| 2065 | </itemizedlist> | ||
| 2066 | </para> | ||
| 2067 | <para> | ||
| 2068 | The <structfield>vrefresh</structfield> value is computed by | ||
| 2069 | <function>drm_helper_probe_single_connector_modes</function>. | ||
| 2070 | </para> | ||
| 2071 | <para> | ||
| 2072 | When parsing EDID data, <function>drm_add_edid_modes</function> fill the | ||
| 2073 | connector <structfield>display_info</structfield> | ||
| 2074 | <structfield>width_mm</structfield> and | ||
| 2075 | <structfield>height_mm</structfield> fields. When creating modes | ||
| 2076 | manually the <methodname>get_modes</methodname> helper operation must | ||
| 2077 | set the <structfield>display_info</structfield> | ||
| 2078 | <structfield>width_mm</structfield> and | ||
| 2079 | <structfield>height_mm</structfield> fields if they haven't been set | ||
| 2080 | already (for instance at initilization time when a fixed-size panel is | ||
| 2081 | attached to the connector). The mode <structfield>width_mm</structfield> | ||
| 2082 | and <structfield>height_mm</structfield> fields are only used internally | ||
| 2083 | during EDID parsing and should not be set when creating modes manually. | ||
| 2084 | </para> | ||
| 2085 | </listitem> | ||
| 2086 | <listitem> | ||
| 2087 | <synopsis>int (*mode_valid)(struct drm_connector *connector, | ||
| 2088 | struct drm_display_mode *mode);</synopsis> | ||
| 2089 | <para> | ||
| 2090 | Verify whether a mode is valid for the connector. Return MODE_OK for | ||
| 2091 | supported modes and one of the enum drm_mode_status values (MODE_*) | ||
| 2092 | for unsupported modes. This operation is mandatory. | ||
| 2093 | </para> | ||
| 2094 | <para> | ||
| 2095 | As the mode rejection reason is currently not used beside for | ||
| 2096 | immediately removing the unsupported mode, an implementation can | ||
| 2097 | return MODE_BAD regardless of the exact reason why the mode is not | ||
| 2098 | valid. | ||
| 2099 | </para> | ||
| 2100 | <note><para> | ||
| 2101 | Note that the <methodname>mode_valid</methodname> helper operation is | ||
| 2102 | only called for modes detected by the device, and | ||
| 2103 | <emphasis>not</emphasis> for modes set by the user through the CRTC | ||
| 2104 | <methodname>set_config</methodname> operation. | ||
| 2105 | </para></note> | ||
| 2106 | </listitem> | ||
| 2107 | </itemizedlist> | ||
| 2108 | </sect2> | ||
| 670 | </sect1> | 2109 | </sect1> |
| 671 | 2110 | ||
| 672 | <sect1> | 2111 | <!-- Internals: vertical blanking --> |
| 673 | <title>Memory management</title> | 2112 | |
| 2113 | <sect1 id="drm-vertical-blank"> | ||
| 2114 | <title>Vertical Blanking</title> | ||
| 2115 | <para> | ||
| 2116 | Vertical blanking plays a major role in graphics rendering. To achieve | ||
| 2117 | tear-free display, users must synchronize page flips and/or rendering to | ||
| 2118 | vertical blanking. The DRM API offers ioctls to perform page flips | ||
| 2119 | synchronized to vertical blanking and wait for vertical blanking. | ||
| 2120 | </para> | ||
| 2121 | <para> | ||
| 2122 | The DRM core handles most of the vertical blanking management logic, which | ||
| 2123 | involves filtering out spurious interrupts, keeping race-free blanking | ||
| 2124 | counters, coping with counter wrap-around and resets and keeping use | ||
| 2125 | counts. It relies on the driver to generate vertical blanking interrupts | ||
| 2126 | and optionally provide a hardware vertical blanking counter. Drivers must | ||
| 2127 | implement the following operations. | ||
| 2128 | </para> | ||
| 2129 | <itemizedlist> | ||
| 2130 | <listitem> | ||
| 2131 | <synopsis>int (*enable_vblank) (struct drm_device *dev, int crtc); | ||
| 2132 | void (*disable_vblank) (struct drm_device *dev, int crtc);</synopsis> | ||
| 2133 | <para> | ||
| 2134 | Enable or disable vertical blanking interrupts for the given CRTC. | ||
| 2135 | </para> | ||
| 2136 | </listitem> | ||
| 2137 | <listitem> | ||
| 2138 | <synopsis>u32 (*get_vblank_counter) (struct drm_device *dev, int crtc);</synopsis> | ||
| 2139 | <para> | ||
| 2140 | Retrieve the value of the vertical blanking counter for the given | ||
| 2141 | CRTC. If the hardware maintains a vertical blanking counter its value | ||
| 2142 | should be returned. Otherwise drivers can use the | ||
| 2143 | <function>drm_vblank_count</function> helper function to handle this | ||
| 2144 | operation. | ||
| 2145 | </para> | ||
| 2146 | </listitem> | ||
| 2147 | </itemizedlist> | ||
| 674 | <para> | 2148 | <para> |
| 675 | The memory manager lies at the heart of many DRM operations; it | 2149 | Drivers must initialize the vertical blanking handling core with a call to |
| 676 | is required to support advanced client features like OpenGL | 2150 | <function>drm_vblank_init</function> in their |
| 677 | pbuffers. The DRM currently contains two memory managers: TTM | 2151 | <methodname>load</methodname> operation. The function will set the struct |
| 678 | and GEM. | 2152 | <structname>drm_device</structname> |
| 2153 | <structfield>vblank_disable_allowed</structfield> field to 0. This will | ||
| 2154 | keep vertical blanking interrupts enabled permanently until the first mode | ||
| 2155 | set operation, where <structfield>vblank_disable_allowed</structfield> is | ||
| 2156 | set to 1. The reason behind this is not clear. Drivers can set the field | ||
| 2157 | to 1 after <function>calling drm_vblank_init</function> to make vertical | ||
| 2158 | blanking interrupts dynamically managed from the beginning. | ||
| 679 | </para> | 2159 | </para> |
| 2160 | <para> | ||
| 2161 | Vertical blanking interrupts can be enabled by the DRM core or by drivers | ||
| 2162 | themselves (for instance to handle page flipping operations). The DRM core | ||
| 2163 | maintains a vertical blanking use count to ensure that the interrupts are | ||
| 2164 | not disabled while a user still needs them. To increment the use count, | ||
| 2165 | drivers call <function>drm_vblank_get</function>. Upon return vertical | ||
| 2166 | blanking interrupts are guaranteed to be enabled. | ||
| 2167 | </para> | ||
| 2168 | <para> | ||
| 2169 | To decrement the use count drivers call | ||
| 2170 | <function>drm_vblank_put</function>. Only when the use count drops to zero | ||
| 2171 | will the DRM core disable the vertical blanking interrupts after a delay | ||
| 2172 | by scheduling a timer. The delay is accessible through the vblankoffdelay | ||
| 2173 | module parameter or the <varname>drm_vblank_offdelay</varname> global | ||
| 2174 | variable and expressed in milliseconds. Its default value is 5000 ms. | ||
| 2175 | </para> | ||
| 2176 | <para> | ||
| 2177 | When a vertical blanking interrupt occurs drivers only need to call the | ||
| 2178 | <function>drm_handle_vblank</function> function to account for the | ||
| 2179 | interrupt. | ||
| 2180 | </para> | ||
| 2181 | <para> | ||
| 2182 | Resources allocated by <function>drm_vblank_init</function> must be freed | ||
| 2183 | with a call to <function>drm_vblank_cleanup</function> in the driver | ||
| 2184 | <methodname>unload</methodname> operation handler. | ||
| 2185 | </para> | ||
| 2186 | </sect1> | ||
| 2187 | |||
| 2188 | <!-- Internals: open/close, file operations and ioctls --> | ||
| 680 | 2189 | ||
| 2190 | <sect1> | ||
| 2191 | <title>Open/Close, File Operations and IOCTLs</title> | ||
| 681 | <sect2> | 2192 | <sect2> |
| 682 | <title>The Translation Table Manager (TTM)</title> | 2193 | <title>Open and Close</title> |
| 2194 | <synopsis>int (*firstopen) (struct drm_device *); | ||
| 2195 | void (*lastclose) (struct drm_device *); | ||
| 2196 | int (*open) (struct drm_device *, struct drm_file *); | ||
| 2197 | void (*preclose) (struct drm_device *, struct drm_file *); | ||
| 2198 | void (*postclose) (struct drm_device *, struct drm_file *);</synopsis> | ||
| 2199 | <abstract>Open and close handlers. None of those methods are mandatory. | ||
| 2200 | </abstract> | ||
| 683 | <para> | 2201 | <para> |
| 684 | TTM was developed by Tungsten Graphics, primarily by Thomas | 2202 | The <methodname>firstopen</methodname> method is called by the DRM core |
| 685 | Hellström, and is intended to be a flexible, high performance | 2203 | when an application opens a device that has no other opened file handle. |
| 686 | graphics memory manager. | 2204 | Similarly the <methodname>lastclose</methodname> method is called when |
| 2205 | the last application holding a file handle opened on the device closes | ||
| 2206 | it. Both methods are mostly used for UMS (User Mode Setting) drivers to | ||
| 2207 | acquire and release device resources which should be done in the | ||
| 2208 | <methodname>load</methodname> and <methodname>unload</methodname> | ||
| 2209 | methods for KMS drivers. | ||
| 687 | </para> | 2210 | </para> |
| 688 | <para> | 2211 | <para> |
| 689 | Drivers wishing to support TTM must fill out a drm_bo_driver | 2212 | Note that the <methodname>lastclose</methodname> method is also called |
| 690 | structure. | 2213 | at module unload time or, for hot-pluggable devices, when the device is |
| 2214 | unplugged. The <methodname>firstopen</methodname> and | ||
| 2215 | <methodname>lastclose</methodname> calls can thus be unbalanced. | ||
| 691 | </para> | 2216 | </para> |
| 692 | <para> | 2217 | <para> |
| 693 | TTM design background and information belongs here. | 2218 | The <methodname>open</methodname> method is called every time the device |
| 2219 | is opened by an application. Drivers can allocate per-file private data | ||
| 2220 | in this method and store them in the struct | ||
| 2221 | <structname>drm_file</structname> <structfield>driver_priv</structfield> | ||
| 2222 | field. Note that the <methodname>open</methodname> method is called | ||
| 2223 | before <methodname>firstopen</methodname>. | ||
| 2224 | </para> | ||
| 2225 | <para> | ||
| 2226 | The close operation is split into <methodname>preclose</methodname> and | ||
| 2227 | <methodname>postclose</methodname> methods. Drivers must stop and | ||
| 2228 | cleanup all per-file operations in the <methodname>preclose</methodname> | ||
| 2229 | method. For instance pending vertical blanking and page flip events must | ||
| 2230 | be cancelled. No per-file operation is allowed on the file handle after | ||
| 2231 | returning from the <methodname>preclose</methodname> method. | ||
| 2232 | </para> | ||
| 2233 | <para> | ||
| 2234 | Finally the <methodname>postclose</methodname> method is called as the | ||
| 2235 | last step of the close operation, right before calling the | ||
| 2236 | <methodname>lastclose</methodname> method if no other open file handle | ||
| 2237 | exists for the device. Drivers that have allocated per-file private data | ||
| 2238 | in the <methodname>open</methodname> method should free it here. | ||
| 2239 | </para> | ||
| 2240 | <para> | ||
| 2241 | The <methodname>lastclose</methodname> method should restore CRTC and | ||
| 2242 | plane properties to default value, so that a subsequent open of the | ||
| 2243 | device will not inherit state from the previous user. | ||
| 694 | </para> | 2244 | </para> |
| 695 | </sect2> | 2245 | </sect2> |
| 696 | |||
| 697 | <sect2> | 2246 | <sect2> |
| 698 | <title>The Graphics Execution Manager (GEM)</title> | 2247 | <title>File Operations</title> |
| 2248 | <synopsis>const struct file_operations *fops</synopsis> | ||
| 2249 | <abstract>File operations for the DRM device node.</abstract> | ||
| 699 | <para> | 2250 | <para> |
| 700 | GEM is an Intel project, authored by Eric Anholt and Keith | 2251 | Drivers must define the file operations structure that forms the DRM |
| 701 | Packard. It provides simpler interfaces than TTM, and is well | 2252 | userspace API entry point, even though most of those operations are |
| 702 | suited for UMA devices. | 2253 | implemented in the DRM core. The <methodname>open</methodname>, |
| 2254 | <methodname>release</methodname> and <methodname>ioctl</methodname> | ||
| 2255 | operations are handled by | ||
| 2256 | <programlisting> | ||
| 2257 | .owner = THIS_MODULE, | ||
| 2258 | .open = drm_open, | ||
| 2259 | .release = drm_release, | ||
| 2260 | .unlocked_ioctl = drm_ioctl, | ||
| 2261 | #ifdef CONFIG_COMPAT | ||
| 2262 | .compat_ioctl = drm_compat_ioctl, | ||
| 2263 | #endif | ||
| 2264 | </programlisting> | ||
| 703 | </para> | 2265 | </para> |
| 704 | <para> | 2266 | <para> |
| 705 | GEM-enabled drivers must provide gem_init_object() and | 2267 | Drivers that implement private ioctls that requires 32/64bit |
| 706 | gem_free_object() callbacks to support the core memory | 2268 | compatibility support must provide their own |
| 707 | allocation routines. They should also provide several driver-specific | 2269 | <methodname>compat_ioctl</methodname> handler that processes private |
| 708 | ioctls to support command execution, pinning, buffer | 2270 | ioctls and calls <function>drm_compat_ioctl</function> for core ioctls. |
| 709 | read & write, mapping, and domain ownership transfers. | ||
| 710 | </para> | 2271 | </para> |
| 711 | <para> | 2272 | <para> |
| 712 | On a fundamental level, GEM involves several operations: | 2273 | The <methodname>read</methodname> and <methodname>poll</methodname> |
| 713 | <itemizedlist> | 2274 | operations provide support for reading DRM events and polling them. They |
| 714 | <listitem>Memory allocation and freeing</listitem> | 2275 | are implemented by |
| 715 | <listitem>Command execution</listitem> | 2276 | <programlisting> |
| 716 | <listitem>Aperture management at command execution time</listitem> | 2277 | .poll = drm_poll, |
| 717 | </itemizedlist> | 2278 | .read = drm_read, |
| 718 | Buffer object allocation is relatively | 2279 | .fasync = drm_fasync, |
| 719 | straightforward and largely provided by Linux's shmem layer, which | 2280 | .llseek = no_llseek, |
| 720 | provides memory to back each object. When mapped into the GTT | 2281 | </programlisting> |
| 721 | or used in a command buffer, the backing pages for an object are | 2282 | </para> |
| 722 | flushed to memory and marked write combined so as to be coherent | 2283 | <para> |
| 723 | with the GPU. Likewise, if the CPU accesses an object after the GPU | 2284 | The memory mapping implementation varies depending on how the driver |
| 724 | has finished rendering to the object, then the object must be made | 2285 | manages memory. Pre-GEM drivers will use <function>drm_mmap</function>, |
| 725 | coherent with the CPU's view | 2286 | while GEM-aware drivers will use <function>drm_gem_mmap</function>. See |
| 726 | of memory, usually involving GPU cache flushing of various kinds. | 2287 | <xref linkend="drm-gem"/>. |
| 727 | This core CPU<->GPU coherency management is provided by a | 2288 | <programlisting> |
| 728 | device-specific ioctl, which evaluates an object's current domain and | 2289 | .mmap = drm_gem_mmap, |
| 729 | performs any necessary flushing or synchronization to put the object | 2290 | </programlisting> |
| 730 | into the desired coherency domain (note that the object may be busy, | 2291 | </para> |
| 731 | i.e. an active render target; in that case, setting the domain | 2292 | <para> |
| 732 | blocks the client and waits for rendering to complete before | 2293 | No other file operation is supported by the DRM API. |
| 733 | performing any necessary flushing operations). | 2294 | </para> |
| 734 | </para> | 2295 | </sect2> |
| 735 | <para> | 2296 | <sect2> |
| 736 | Perhaps the most important GEM function is providing a command | 2297 | <title>IOCTLs</title> |
| 737 | execution interface to clients. Client programs construct command | 2298 | <synopsis>struct drm_ioctl_desc *ioctls; |
| 738 | buffers containing references to previously allocated memory objects, | 2299 | int num_ioctls;</synopsis> |
| 739 | and then submit them to GEM. At that point, GEM takes care to bind | 2300 | <abstract>Driver-specific ioctls descriptors table.</abstract> |
| 740 | all the objects into the GTT, execute the buffer, and provide | 2301 | <para> |
| 741 | necessary synchronization between clients accessing the same buffers. | 2302 | Driver-specific ioctls numbers start at DRM_COMMAND_BASE. The ioctls |
| 742 | This often involves evicting some objects from the GTT and re-binding | 2303 | descriptors table is indexed by the ioctl number offset from the base |
| 743 | others (a fairly expensive operation), and providing relocation | 2304 | value. Drivers can use the DRM_IOCTL_DEF_DRV() macro to initialize the |
| 744 | support which hides fixed GTT offsets from clients. Clients must | 2305 | table entries. |
| 745 | take care not to submit command buffers that reference more objects | 2306 | </para> |
| 746 | than can fit in the GTT; otherwise, GEM will reject them and no rendering | 2307 | <para> |
| 747 | will occur. Similarly, if several objects in the buffer require | 2308 | <programlisting>DRM_IOCTL_DEF_DRV(ioctl, func, flags)</programlisting> |
| 748 | fence registers to be allocated for correct rendering (e.g. 2D blits | 2309 | <para> |
| 749 | on pre-965 chips), care must be taken not to require more fence | 2310 | <parameter>ioctl</parameter> is the ioctl name. Drivers must define |
| 750 | registers than are available to the client. Such resource management | 2311 | the DRM_##ioctl and DRM_IOCTL_##ioctl macros to the ioctl number |
| 751 | should be abstracted from the client in libdrm. | 2312 | offset from DRM_COMMAND_BASE and the ioctl number respectively. The |
| 2313 | first macro is private to the device while the second must be exposed | ||
| 2314 | to userspace in a public header. | ||
| 2315 | </para> | ||
| 2316 | <para> | ||
| 2317 | <parameter>func</parameter> is a pointer to the ioctl handler function | ||
| 2318 | compatible with the <type>drm_ioctl_t</type> type. | ||
| 2319 | <programlisting>typedef int drm_ioctl_t(struct drm_device *dev, void *data, | ||
| 2320 | struct drm_file *file_priv);</programlisting> | ||
| 2321 | </para> | ||
| 2322 | <para> | ||
| 2323 | <parameter>flags</parameter> is a bitmask combination of the following | ||
| 2324 | values. It restricts how the ioctl is allowed to be called. | ||
| 2325 | <itemizedlist> | ||
| 2326 | <listitem><para> | ||
| 2327 | DRM_AUTH - Only authenticated callers allowed | ||
| 2328 | </para></listitem> | ||
| 2329 | <listitem><para> | ||
| 2330 | DRM_MASTER - The ioctl can only be called on the master file | ||
| 2331 | handle | ||
| 2332 | </para></listitem> | ||
| 2333 | <listitem><para> | ||
| 2334 | DRM_ROOT_ONLY - Only callers with the SYSADMIN capability allowed | ||
| 2335 | </para></listitem> | ||
| 2336 | <listitem><para> | ||
| 2337 | DRM_CONTROL_ALLOW - The ioctl can only be called on a control | ||
| 2338 | device | ||
| 2339 | </para></listitem> | ||
| 2340 | <listitem><para> | ||
| 2341 | DRM_UNLOCKED - The ioctl handler will be called without locking | ||
| 2342 | the DRM global mutex | ||
| 2343 | </para></listitem> | ||
| 2344 | </itemizedlist> | ||
| 2345 | </para> | ||
| 752 | </para> | 2346 | </para> |
| 753 | </sect2> | 2347 | </sect2> |
| 754 | |||
| 755 | </sect1> | ||
| 756 | |||
| 757 | <!-- Output management --> | ||
| 758 | <sect1> | ||
| 759 | <title>Output management</title> | ||
| 760 | <para> | ||
| 761 | At the core of the DRM output management code is a set of | ||
| 762 | structures representing CRTCs, encoders, and connectors. | ||
| 763 | </para> | ||
| 764 | <para> | ||
| 765 | A CRTC is an abstraction representing a part of the chip that | ||
| 766 | contains a pointer to a scanout buffer. Therefore, the number | ||
| 767 | of CRTCs available determines how many independent scanout | ||
| 768 | buffers can be active at any given time. The CRTC structure | ||
| 769 | contains several fields to support this: a pointer to some video | ||
| 770 | memory, a display mode, and an (x, y) offset into the video | ||
| 771 | memory to support panning or configurations where one piece of | ||
| 772 | video memory spans multiple CRTCs. | ||
| 773 | </para> | ||
| 774 | <para> | ||
| 775 | An encoder takes pixel data from a CRTC and converts it to a | ||
| 776 | format suitable for any attached connectors. On some devices, | ||
| 777 | it may be possible to have a CRTC send data to more than one | ||
| 778 | encoder. In that case, both encoders would receive data from | ||
| 779 | the same scanout buffer, resulting in a "cloned" display | ||
| 780 | configuration across the connectors attached to each encoder. | ||
| 781 | </para> | ||
| 782 | <para> | ||
| 783 | A connector is the final destination for pixel data on a device, | ||
| 784 | and usually connects directly to an external display device like | ||
| 785 | a monitor or laptop panel. A connector can only be attached to | ||
| 786 | one encoder at a time. The connector is also the structure | ||
| 787 | where information about the attached display is kept, so it | ||
| 788 | contains fields for display data, EDID data, DPMS & | ||
| 789 | connection status, and information about modes supported on the | ||
| 790 | attached displays. | ||
| 791 | </para> | ||
| 792 | <!--!Edrivers/char/drm/drm_crtc.c--> | ||
| 793 | </sect1> | ||
| 794 | |||
| 795 | <sect1> | ||
| 796 | <title>Framebuffer management</title> | ||
| 797 | <para> | ||
| 798 | Clients need to provide a framebuffer object which provides a source | ||
| 799 | of pixels for a CRTC to deliver to the encoder(s) and ultimately the | ||
| 800 | connector(s). A framebuffer is fundamentally a driver-specific memory | ||
| 801 | object, made into an opaque handle by the DRM's addfb() function. | ||
| 802 | Once a framebuffer has been created this way, it may be passed to the | ||
| 803 | KMS mode setting routines for use in a completed configuration. | ||
| 804 | </para> | ||
| 805 | </sect1> | 2348 | </sect1> |
| 806 | 2349 | ||
| 807 | <sect1> | 2350 | <sect1> |
| @@ -812,15 +2355,24 @@ void intel_crt_init(struct drm_device *dev) · 4 unmodified lines | |||
| 812 | </para> | 2355 | </para> |
| 813 | </sect1> | 2356 | </sect1> |
| 814 | 2357 | ||
| 2358 | <!-- Internals: suspend/resume --> | ||
| 2359 | |||
| 815 | <sect1> | 2360 | <sect1> |
| 816 | <title>Suspend/resume</title> | 2361 | <title>Suspend/Resume</title> |
| 2362 | <para> | ||
| 2363 | The DRM core provides some suspend/resume code, but drivers wanting full | ||
| 2364 | suspend/resume support should provide save() and restore() functions. | ||
| 2365 | These are called at suspend, hibernate, or resume time, and should perform | ||
| 2366 | any state save or restore required by your device across suspend or | ||
| 2367 | hibernate states. | ||
| 2368 | </para> | ||
| 2369 | <synopsis>int (*suspend) (struct drm_device *, pm_message_t state); | ||
| 2370 | int (*resume) (struct drm_device *);</synopsis> | ||
| 817 | <para> | 2371 | <para> |
| 818 | The DRM core provides some suspend/resume code, but drivers | 2372 | Those are legacy suspend and resume methods. New driver should use the |
| 819 | wanting full suspend/resume support should provide save() and | 2373 | power management interface provided by their bus type (usually through |
| 820 | restore() functions. These are called at suspend, | 2374 | the struct <structname>device_driver</structname> dev_pm_ops) and set |
| 821 | hibernate, or resume time, and should perform any state save or | 2375 | these methods to NULL. |
| 822 | restore required by your device across suspend or hibernate | ||
| 823 | states. | ||
| 824 | </para> | 2376 | </para> |
| 825 | </sect1> | 2377 | </sect1> |
| 826 | 2378 | ||
| @@ -833,6 +2385,35 @@ void intel_crt_init(struct drm_device *dev) · 6 unmodified lines | |||
| 833 | </sect1> | 2385 | </sect1> |
| 834 | </chapter> | 2386 | </chapter> |
| 835 | 2387 | ||
| 2388 | <!-- TODO | ||
| 2389 | |||
| 2390 | - Add a glossary | ||
| 2391 | - Document the struct_mutex catch-all lock | ||
| 2392 | - Document connector properties | ||
| 2393 | |||
| 2394 | - Why is the load method optional? | ||
| 2395 | - What are drivers supposed to set the initial display state to, and how? | ||
| 2396 | Connector's DPMS states are not initialized and are thus equal to | ||
| 2397 | DRM_MODE_DPMS_ON. The fbcon compatibility layer calls | ||
| 2398 | drm_helper_disable_unused_functions(), which disables unused encoders and | ||
| 2399 | CRTCs, but doesn't touch the connectors' DPMS state, and | ||
| 2400 | drm_helper_connector_dpms() in reaction to fbdev blanking events. Do drivers | ||
| 2401 | that don't implement (or just don't use) fbcon compatibility need to call | ||
| 2402 | those functions themselves? | ||
| 2403 | - KMS drivers must call drm_vblank_pre_modeset() and drm_vblank_post_modeset() | ||
| 2404 | around mode setting. Should this be done in the DRM core? | ||
| 2405 | - vblank_disable_allowed is set to 1 in the first drm_vblank_post_modeset() | ||
| 2406 | call and never set back to 0. It seems to be safe to permanently set it to 1 | ||
| 2407 | in drm_vblank_init() for KMS driver, and it might be safe for UMS drivers as | ||
| 2408 | well. This should be investigated. | ||
| 2409 | - crtc and connector .save and .restore operations are only used internally in | ||
| 2410 | drivers, should they be removed from the core? | ||
| 2411 | - encoder mid-layer .save and .restore operations are only used internally in | ||
| 2412 | drivers, should they be removed from the core? | ||
| 2413 | - encoder mid-layer .detect operation is only used internally in drivers, | ||
| 2414 | should it be removed from the core? | ||
| 2415 | --> | ||
| 2416 | |||
| 836 | <!-- External interfaces --> | 2417 | <!-- External interfaces --> |
| 837 | 2418 | ||
| 838 | <chapter id="drmExternals"> | 2419 | <chapter id="drmExternals"> |
| @@ -853,6 +2434,42 @@ void intel_crt_init(struct drm_device *dev) · 14 unmodified lines | |||
| 853 | Cover generic ioctls and sysfs layout here. We only need high-level | 2434 | Cover generic ioctls and sysfs layout here. We only need high-level |
| 854 | info, since man pages should cover the rest. | 2435 | info, since man pages should cover the rest. |
| 855 | </para> | 2436 | </para> |
| 2437 | |||
| 2438 | <!-- External: vblank handling --> | ||
| 2439 | |||
| 2440 | <sect1> | ||
| 2441 | <title>VBlank event handling</title> | ||
| 2442 | <para> | ||
| 2443 | The DRM core exposes two vertical blank related ioctls: | ||
| 2444 | <variablelist> | ||
| 2445 | <varlistentry> | ||
| 2446 | <term>DRM_IOCTL_WAIT_VBLANK</term> | ||
| 2447 | <listitem> | ||
| 2448 | <para> | ||
| 2449 | This takes a struct drm_wait_vblank structure as its argument, | ||
| 2450 | and it is used to block or request a signal when a specified | ||
| 2451 | vblank event occurs. | ||
| 2452 | </para> | ||
| 2453 | </listitem> | ||
| 2454 | </varlistentry> | ||
| 2455 | <varlistentry> | ||
| 2456 | <term>DRM_IOCTL_MODESET_CTL</term> | ||
| 2457 | <listitem> | ||
| 2458 | <para> | ||
| 2459 | This should be called by application level drivers before and | ||
| 2460 | after mode setting, since on many devices the vertical blank | ||
| 2461 | counter is reset at that time. Internally, the DRM snapshots | ||
| 2462 | the last vblank count when the ioctl is called with the | ||
| 2463 | _DRM_PRE_MODESET command, so that the counter won't go backwards | ||
| 2464 | (which is dealt with when _DRM_POST_MODESET is used). | ||
| 2465 | </para> | ||
| 2466 | </listitem> | ||
| 2467 | </varlistentry> | ||
| 2468 | </variablelist> | ||
| 2469 | <!--!Edrivers/char/drm/drm_irq.c--> | ||
| 2470 | </para> | ||
| 2471 | </sect1> | ||
| 2472 | |||
| 856 | </chapter> | 2473 | </chapter> |
| 857 | 2474 | ||
| 858 | <!-- API reference --> | 2475 | <!-- API reference --> |
| @@ -56,15 +56,15 @@ FUNCS = \ · 55 unmodified lines | |||
| 56 | write \ | 56 | write \ |
| 57 | 57 | ||
| 58 | IOCTLS = \ | 58 | IOCTLS = \ |
| 59 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/videodev2.h) \ | 59 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/videodev2.h) \ |
| 60 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/audio.h) \ | 60 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/audio.h) \ |
| 61 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/ca.h) \ | 61 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/ca.h) \ |
| 62 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/dmx.h) \ | 62 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/dmx.h) \ |
| 63 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/frontend.h) \ | 63 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/frontend.h) \ |
| 64 | $(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/net.h) \ | 64 | $(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/net.h) \ |
| 65 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/video.h) \ | 65 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/video.h) \ |
| 66 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/media.h) \ | 66 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/media.h) \ |
| 67 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/v4l2-subdev.h) \ | 67 | $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \ |
| 68 | VIDIOC_SUBDEV_G_FRAME_INTERVAL \ | 68 | VIDIOC_SUBDEV_G_FRAME_INTERVAL \ |
| 69 | VIDIOC_SUBDEV_S_FRAME_INTERVAL \ | 69 | VIDIOC_SUBDEV_S_FRAME_INTERVAL \ |
| 70 | VIDIOC_SUBDEV_ENUM_MBUS_CODE \ | 70 | VIDIOC_SUBDEV_ENUM_MBUS_CODE \ |
| @@ -74,32 +74,32 @@ IOCTLS = \ · 3 unmodified lines | |||
| 74 | VIDIOC_SUBDEV_S_SELECTION \ | 74 | VIDIOC_SUBDEV_S_SELECTION \ |
| 75 | 75 | ||
| 76 | TYPES = \ | 76 | TYPES = \ |
| 77 | $(shell perl -ne 'print "$$1 " if /^typedef\s+[^\s]+\s+([^\s]+)\;/' $(srctree)/include/linux/videodev2.h) \ | 77 | $(shell perl -ne 'print "$$1 " if /^typedef\s+[^\s]+\s+([^\s]+)\;/' $(srctree)/include/uapi/linux/videodev2.h) \ |
| 78 | $(shell perl -ne 'print "$$1 " if /^}\s+([a-z0-9_]+_t)/' $(srctree)/include/linux/dvb/frontend.h) | 78 | $(shell perl -ne 'print "$$1 " if /^}\s+([a-z0-9_]+_t)/' $(srctree)/include/uapi/linux/dvb/frontend.h) |
| 79 | 79 | ||
| 80 | ENUMS = \ | 80 | ENUMS = \ |
| 81 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/videodev2.h) \ | 81 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \ |
| 82 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/audio.h) \ | 82 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/audio.h) \ |
| 83 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/ca.h) \ | 83 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/ca.h) \ |
| 84 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/dmx.h) \ | 84 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/dmx.h) \ |
| 85 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/frontend.h) \ | 85 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/frontend.h) \ |
| 86 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/net.h) \ | 86 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/net.h) \ |
| 87 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/video.h) \ | 87 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/video.h) \ |
| 88 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/media.h) \ | 88 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \ |
| 89 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-mediabus.h) \ | 89 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h) \ |
| 90 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-subdev.h) | 90 | $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h) |
| 91 | 91 | ||
| 92 | STRUCTS = \ | 92 | STRUCTS = \ |
| 93 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/videodev2.h) \ | 93 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \ |
| 94 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/linux/dvb/audio.h) \ | 94 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/uapi/linux/dvb/audio.h) \ |
| 95 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/ca.h) \ | 95 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/ca.h) \ |
| 96 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/dmx.h) \ | 96 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/dmx.h) \ |
| 97 | $(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/frontend.h) \ | 97 | $(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/frontend.h) \ |
| 98 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([A-Z][^\s]+)\s+/)' $(srctree)/include/linux/dvb/net.h) \ | 98 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([A-Z][^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/net.h) \ |
| 99 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/video.h) \ | 99 | $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/video.h) \ |
| 100 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/media.h) \ | 100 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \ |
| 101 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-subdev.h) \ | 101 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \ |
| 102 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-mediabus.h) | 102 | $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h) |
| 103 | 103 | ||
| 104 | ERRORS = \ | 104 | ERRORS = \ |
| 105 | E2BIG \ | 105 | E2BIG \ |
| @@ -205,7 +205,7 @@ $(MEDIA_OBJ_DIR)/v4l2.xml: $(OBJIMGFILES) · 99 unmodified lines | |||
| 205 | @(ln -sf $(MEDIA_SRC_DIR)/v4l/*xml $(MEDIA_OBJ_DIR)/) | 205 | @(ln -sf $(MEDIA_SRC_DIR)/v4l/*xml $(MEDIA_OBJ_DIR)/) |
| 206 | @(ln -sf $(MEDIA_SRC_DIR)/dvb/*xml $(MEDIA_OBJ_DIR)/) | 206 | @(ln -sf $(MEDIA_SRC_DIR)/dvb/*xml $(MEDIA_OBJ_DIR)/) |
| 207 | 207 | ||
| 208 | $(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml | 208 | $(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/uapi/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml |
| 209 | @$($(quiet)gen_xml) | 209 | @$($(quiet)gen_xml) |
| 210 | @( \ | 210 | @( \ |
| 211 | echo "<programlisting>") > $@ | 211 | echo "<programlisting>") > $@ |
| @@ -216,7 +216,7 @@ $(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/linux/videodev2.h $(MEDIA_O · 4 unmodified lines | |||
| 216 | @( \ | 216 | @( \ |
| 217 | echo "</programlisting>") >> $@ | 217 | echo "</programlisting>") >> $@ |
| 218 | 218 | ||
| 219 | $(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml | 219 | $(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/uapi/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml |
| 220 | @$($(quiet)gen_xml) | 220 | @$($(quiet)gen_xml) |
| 221 | @( \ | 221 | @( \ |
| 222 | echo "<programlisting>") > $@ | 222 | echo "<programlisting>") > $@ |
| @@ -227,7 +227,7 @@ $(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/linux/dvb/audio.h $(MEDIA_OBJ_D · 4 unmodified lines | |||
| 227 | @( \ | 227 | @( \ |
| 228 | echo "</programlisting>") >> $@ | 228 | echo "</programlisting>") >> $@ |
| 229 | 229 | ||
| 230 | $(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml | 230 | $(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/uapi/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml |
| 231 | @$($(quiet)gen_xml) | 231 | @$($(quiet)gen_xml) |
| 232 | @( \ | 232 | @( \ |
| 233 | echo "<programlisting>") > $@ | 233 | echo "<programlisting>") > $@ |
| @@ -238,7 +238,7 @@ $(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4 · 4 unmodified lines | |||
| 238 | @( \ | 238 | @( \ |
| 239 | echo "</programlisting>") >> $@ | 239 | echo "</programlisting>") >> $@ |
| 240 | 240 | ||
| 241 | $(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml | 241 | $(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/uapi/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml |
| 242 | @$($(quiet)gen_xml) | 242 | @$($(quiet)gen_xml) |
| 243 | @( \ | 243 | @( \ |
| 244 | echo "<programlisting>") > $@ | 244 | echo "<programlisting>") > $@ |
| @@ -249,7 +249,7 @@ $(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/ · 4 unmodified lines | |||
| 249 | @( \ | 249 | @( \ |
| 250 | echo "</programlisting>") >> $@ | 250 | echo "</programlisting>") >> $@ |
| 251 | 251 | ||
| 252 | $(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml | 252 | $(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/uapi/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml |
| 253 | @$($(quiet)gen_xml) | 253 | @$($(quiet)gen_xml) |
| 254 | @( \ | 254 | @( \ |
| 255 | echo "<programlisting>") > $@ | 255 | echo "<programlisting>") > $@ |
| @@ -260,7 +260,7 @@ $(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/linux/dvb/frontend.h $(MEDIA · 4 unmodified lines | |||
| 260 | @( \ | 260 | @( \ |
| 261 | echo "</programlisting>") >> $@ | 261 | echo "</programlisting>") >> $@ |
| 262 | 262 | ||
| 263 | $(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml | 263 | $(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/uapi/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml |
| 264 | @$($(quiet)gen_xml) | 264 | @$($(quiet)gen_xml) |
| 265 | @( \ | 265 | @( \ |
| 266 | echo "<programlisting>") > $@ | 266 | echo "<programlisting>") > $@ |
| @@ -271,7 +271,7 @@ $(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/linux/dvb/net.h $(MEDIA_OBJ_DIR)/ · 4 unmodified lines | |||
| 271 | @( \ | 271 | @( \ |
| 272 | echo "</programlisting>") >> $@ | 272 | echo "</programlisting>") >> $@ |
| 273 | 273 | ||
| 274 | $(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml | 274 | $(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/uapi/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml |
| 275 | @$($(quiet)gen_xml) | 275 | @$($(quiet)gen_xml) |
| 276 | @( \ | 276 | @( \ |
| 277 | echo "<programlisting>") > $@ | 277 | echo "<programlisting>") > $@ |
| @@ -300,7 +300,7 @@ $(MEDIA_OBJ_DIR)/media-entities.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml · 22 unmodified lines | |||
| 300 | @( \ | 300 | @( \ |
| 301 | for ident in $(IOCTLS) ; do \ | 301 | for ident in $(IOCTLS) ; do \ |
| 302 | entity=`echo $$ident | tr _ -` ; \ | 302 | entity=`echo $$ident | tr _ -` ; \ |
| 303 | id=`grep "<refname>$$ident" $(MEDIA_OBJ_DIR)/vidioc-*.xml | sed -r s,"^.*/(.*).xml.*","\1",` ; \ | 303 | id=`grep "<refname>$$ident" $(MEDIA_OBJ_DIR)/vidioc-*.xml $(MEDIA_OBJ_DIR)/media-ioc-*.xml | sed -r s,"^.*/(.*).xml.*","\1",` ; \ |
| 304 | echo "<!ENTITY $$entity \"<link" \ | 304 | echo "<!ENTITY $$entity \"<link" \ |
| 305 | "linkend='$$id'><constant>$$ident</constant></link>\">" \ | 305 | "linkend='$$id'><constant>$$ident</constant></link>\">" \ |
| 306 | >>$@ ; \ | 306 | >>$@ ; \ |
| @@ -1,12 +1,16 @@ | |||
| 1 | <title>DVB Audio Device</title> | 1 | <title>DVB Audio Device</title> |
| 2 | <para>The DVB audio device controls the MPEG2 audio decoder of the DVB hardware. It | 2 | <para>The DVB audio device controls the MPEG2 audio decoder of the DVB hardware. It |
| 3 | can be accessed through <emphasis role="tt">/dev/dvb/adapter0/audio0</emphasis>. Data types and and | 3 | can be accessed through <emphasis role="tt">/dev/dvb/adapter0/audio0</emphasis>. Data types and and |
| 4 | ioctl definitions can be accessed by including <emphasis role="tt">linux/dvb/video.h</emphasis> in your | 4 | ioctl definitions can be accessed by including <emphasis role="tt">linux/dvb/audio.h</emphasis> in your |
| 5 | application. | 5 | application. |
| 6 | </para> | 6 | </para> |
| 7 | <para>Please note that some DVB cards don’t have their own MPEG decoder, which results in | 7 | <para>Please note that some DVB cards don’t have their own MPEG decoder, which results in |
| 8 | the omission of the audio and video device. | 8 | the omission of the audio and video device. |
| 9 | </para> | 9 | </para> |
| 10 | <para> | ||
| 11 | These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use | ||
| 12 | of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls | ||
| 13 | have been created to replace that functionality.</para> | ||
| 10 | 14 | ||
| 11 | <section id="audio_data_types"> | 15 | <section id="audio_data_types"> |
| 12 | <title>Audio Data Types</title> | 16 | <title>Audio Data Types</title> |
| @@ -558,6 +562,8 @@ role="subsection"><title>AUDIO_SELECT_SOURCE</title> · 545 unmodified lines | |||
| 558 | role="subsection"><title>AUDIO_SET_MUTE</title> | 562 | role="subsection"><title>AUDIO_SET_MUTE</title> |
| 559 | <para>DESCRIPTION | 563 | <para>DESCRIPTION |
| 560 | </para> | 564 | </para> |
| 565 | <para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 | ||
| 566 | &VIDIOC-DECODER-CMD; with the <constant>V4L2_DEC_CMD_START_MUTE_AUDIO</constant> flag instead.</para> | ||
| 561 | <informaltable><tgroup cols="1"><tbody><row><entry | 567 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 562 | align="char"> | 568 | align="char"> |
| 563 | <para>This ioctl call asks the audio device to mute the stream that is currently being | 569 | <para>This ioctl call asks the audio device to mute the stream that is currently being |
| @@ -730,6 +736,8 @@ role="subsection"><title>AUDIO_SET_BYPASS_MODE</title> · 166 unmodified lines | |||
| 730 | role="subsection"><title>AUDIO_CHANNEL_SELECT</title> | 736 | role="subsection"><title>AUDIO_CHANNEL_SELECT</title> |
| 731 | <para>DESCRIPTION | 737 | <para>DESCRIPTION |
| 732 | </para> | 738 | </para> |
| 739 | <para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 | ||
| 740 | <constant>V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK</constant> control instead.</para> | ||
| 733 | <informaltable><tgroup cols="1"><tbody><row><entry | 741 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 734 | align="char"> | 742 | align="char"> |
| 735 | <para>This ioctl call asks the Audio Device to select the requested channel if possible.</para> | 743 | <para>This ioctl call asks the Audio Device to select the requested channel if possible.</para> |
| @@ -772,6 +780,109 @@ role="subsection"><title>AUDIO_CHANNEL_SELECT</title> · 36 unmodified lines | |||
| 772 | </row></tbody></tgroup></informaltable> | 780 | </row></tbody></tgroup></informaltable> |
| 773 | &return-value-dvb; | 781 | &return-value-dvb; |
| 774 | 782 | ||
| 783 | </section><section id="AUDIO_BILINGUAL_CHANNEL_SELECT" | ||
| 784 | role="subsection"><title>AUDIO_BILINGUAL_CHANNEL_SELECT</title> | ||
| 785 | <para>DESCRIPTION | ||
| 786 | </para> | ||
| 787 | <para>This ioctl is obsolete. Do not use in new drivers. It has been replaced by | ||
| 788 | the V4L2 <constant>V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK</constant> control | ||
| 789 | for MPEG decoders controlled through V4L2.</para> | ||
| 790 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 791 | align="char"> | ||
| 792 | <para>This ioctl call asks the Audio Device to select the requested channel for bilingual streams if possible.</para> | ||
| 793 | </entry> | ||
| 794 | </row></tbody></tgroup></informaltable> | ||
| 795 | <para>SYNOPSIS | ||
| 796 | </para> | ||
| 797 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 798 | align="char"> | ||
| 799 | <para>int ioctl(int fd, int request = | ||
| 800 | AUDIO_BILINGUAL_CHANNEL_SELECT, audio_channel_select_t);</para> | ||
| 801 | </entry> | ||
| 802 | </row></tbody></tgroup></informaltable> | ||
| 803 | <para>PARAMETERS | ||
| 804 | </para> | ||
| 805 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 806 | align="char"> | ||
| 807 | <para>int fd</para> | ||
| 808 | </entry><entry | ||
| 809 | align="char"> | ||
| 810 | <para>File descriptor returned by a previous call to open().</para> | ||
| 811 | </entry> | ||
| 812 | </row><row><entry | ||
| 813 | align="char"> | ||
| 814 | <para>int request</para> | ||
| 815 | </entry><entry | ||
| 816 | align="char"> | ||
| 817 | <para>Equals AUDIO_BILINGUAL_CHANNEL_SELECT for this | ||
| 818 | command.</para> | ||
| 819 | </entry> | ||
| 820 | </row><row><entry | ||
| 821 | align="char"> | ||
| 822 | <para>audio_channel_select_t | ||
| 823 | ch</para> | ||
| 824 | </entry><entry | ||
| 825 | align="char"> | ||
| 826 | <para>Select the output format of the audio (mono left/right, | ||
| 827 | stereo).</para> | ||
| 828 | </entry> | ||
| 829 | </row> | ||
| 830 | </tbody></tgroup></informaltable> | ||
| 831 | &return-value-dvb; | ||
| 832 | |||
| 833 | </section><section id="AUDIO_GET_PTS" | ||
| 834 | role="subsection"><title>AUDIO_GET_PTS</title> | ||
| 835 | <para>DESCRIPTION | ||
| 836 | </para> | ||
| 837 | <para>This ioctl is obsolete. Do not use in new drivers. If you need this functionality, | ||
| 838 | then please contact the linux-media mailing list (&v4l-ml;).</para> | ||
| 839 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 840 | align="char"> | ||
| 841 | <para>This ioctl call asks the Audio Device to return the current PTS timestamp.</para> | ||
| 842 | </entry> | ||
| 843 | </row></tbody></tgroup></informaltable> | ||
| 844 | <para>SYNOPSIS | ||
| 845 | </para> | ||
| 846 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 847 | align="char"> | ||
| 848 | <para>int ioctl(int fd, int request = | ||
| 849 | AUDIO_GET_PTS, __u64 *pts);</para> | ||
| 850 | </entry> | ||
| 851 | </row></tbody></tgroup></informaltable> | ||
| 852 | <para>PARAMETERS | ||
| 853 | </para> | ||
| 854 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 855 | align="char"> | ||
| 856 | <para>int fd</para> | ||
| 857 | </entry><entry | ||
| 858 | align="char"> | ||
| 859 | <para>File descriptor returned by a previous call to open().</para> | ||
| 860 | </entry> | ||
| 861 | </row><row><entry | ||
| 862 | align="char"> | ||
| 863 | <para>int request</para> | ||
| 864 | </entry><entry | ||
| 865 | align="char"> | ||
| 866 | <para>Equals AUDIO_GET_PTS for this | ||
| 867 | command.</para> | ||
| 868 | </entry> | ||
| 869 | </row><row><entry | ||
| 870 | align="char"> | ||
| 871 | <para>__u64 *pts | ||
| 872 | </para> | ||
| 873 | </entry><entry | ||
| 874 | align="char"> | ||
| 875 | <para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1. | ||
| 876 | </para> | ||
| 877 | <para> | ||
| 878 | The PTS should belong to the currently played | ||
| 879 | frame if possible, but may also be a value close to it | ||
| 880 | like the PTS of the last decoded frame or the last PTS | ||
| 881 | extracted by the PES parser.</para> | ||
| 882 | </entry> | ||
| 883 | </row></tbody></tgroup></informaltable> | ||
| 884 | &return-value-dvb; | ||
| 885 | |||
| 775 | </section><section id="AUDIO_GET_STATUS" | 886 | </section><section id="AUDIO_GET_STATUS" |
| 776 | role="subsection"><title>AUDIO_GET_STATUS</title> | 887 | role="subsection"><title>AUDIO_GET_STATUS</title> |
| 777 | <para>DESCRIPTION | 888 | <para>DESCRIPTION |
| @@ -226,4 +226,357 @@ typedef struct ca_pid { · 225 unmodified lines | |||
| 226 | </entry> | 226 | </entry> |
| 227 | </row></tbody></tgroup></informaltable> | 227 | </row></tbody></tgroup></informaltable> |
| 228 | </section> | 228 | </section> |
| 229 | |||
| 230 | <section id="CA_RESET" | ||
| 231 | role="subsection"><title>CA_RESET</title> | ||
| 232 | <para>DESCRIPTION | ||
| 233 | </para> | ||
| 234 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 235 | align="char"> | ||
| 236 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 237 | </entry> | ||
| 238 | </row></tbody></tgroup></informaltable> | ||
| 239 | <para>SYNOPSIS | ||
| 240 | </para> | ||
| 241 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 242 | align="char"> | ||
| 243 | <para>int ioctl(fd, int request = CA_RESET); | ||
| 244 | </para> | ||
| 245 | </entry> | ||
| 246 | </row></tbody></tgroup></informaltable> | ||
| 247 | <para>PARAMETERS | ||
| 248 | </para> | ||
| 249 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 250 | align="char"> | ||
| 251 | <para>int fd</para> | ||
| 252 | </entry><entry | ||
| 253 | align="char"> | ||
| 254 | <para>File descriptor returned by a previous call to open().</para> | ||
| 255 | </entry> | ||
| 256 | </row><row><entry | ||
| 257 | align="char"> | ||
| 258 | <para>int request</para> | ||
| 259 | </entry><entry | ||
| 260 | align="char"> | ||
| 261 | <para>Equals CA_RESET for this command.</para> | ||
| 262 | </entry> | ||
| 263 | </row></tbody></tgroup></informaltable> | ||
| 264 | &return-value-dvb; | ||
| 265 | </section> | ||
| 266 | |||
| 267 | <section id="CA_GET_CAP" | ||
| 268 | role="subsection"><title>CA_GET_CAP</title> | ||
| 269 | <para>DESCRIPTION | ||
| 270 | </para> | ||
| 271 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 272 | align="char"> | ||
| 273 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 274 | </entry> | ||
| 275 | </row></tbody></tgroup></informaltable> | ||
| 276 | <para>SYNOPSIS | ||
| 277 | </para> | ||
| 278 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 279 | align="char"> | ||
| 280 | <para>int ioctl(fd, int request = CA_GET_CAP, | ||
| 281 | ca_caps_t *);</para> | ||
| 282 | </entry> | ||
| 283 | </row></tbody></tgroup></informaltable> | ||
| 284 | <para>PARAMETERS | ||
| 285 | </para> | ||
| 286 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 287 | align="char"> | ||
| 288 | <para>int fd</para> | ||
| 289 | </entry><entry | ||
| 290 | align="char"> | ||
| 291 | <para>File descriptor returned by a previous call to open().</para> | ||
| 292 | </entry> | ||
| 293 | </row><row><entry | ||
| 294 | align="char"> | ||
| 295 | <para>int request</para> | ||
| 296 | </entry><entry | ||
| 297 | align="char"> | ||
| 298 | <para>Equals CA_GET_CAP for this command.</para> | ||
| 299 | </entry> | ||
| 300 | </row><row><entry | ||
| 301 | align="char"> | ||
| 302 | <para>ca_caps_t * | ||
| 303 | </para> | ||
| 304 | </entry><entry | ||
| 305 | align="char"> | ||
| 306 | <para>Undocumented.</para> | ||
| 307 | </entry> | ||
| 308 | </row></tbody></tgroup></informaltable> | ||
| 309 | &return-value-dvb; | ||
| 310 | </section> | ||
| 311 | |||
| 312 | <section id="CA_GET_SLOT_INFO" | ||
| 313 | role="subsection"><title>CA_GET_SLOT_INFO</title> | ||
| 314 | <para>DESCRIPTION | ||
| 315 | </para> | ||
| 316 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 317 | align="char"> | ||
| 318 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 319 | </entry> | ||
| 320 | </row></tbody></tgroup></informaltable> | ||
| 321 | <para>SYNOPSIS | ||
| 322 | </para> | ||
| 323 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 324 | align="char"> | ||
| 325 | <para>int ioctl(fd, int request = CA_GET_SLOT_INFO, | ||
| 326 | ca_slot_info_t *);</para> | ||
| 327 | </entry> | ||
| 328 | </row></tbody></tgroup></informaltable> | ||
| 329 | <para>PARAMETERS | ||
| 330 | </para> | ||
| 331 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 332 | align="char"> | ||
| 333 | <para>int fd</para> | ||
| 334 | </entry><entry | ||
| 335 | align="char"> | ||
| 336 | <para>File descriptor returned by a previous call to open().</para> | ||
| 337 | </entry> | ||
| 338 | </row><row><entry | ||
| 339 | align="char"> | ||
| 340 | <para>int request</para> | ||
| 341 | </entry><entry | ||
| 342 | align="char"> | ||
| 343 | <para>Equals CA_GET_SLOT_INFO for this command.</para> | ||
| 344 | </entry> | ||
| 345 | </row><row><entry | ||
| 346 | align="char"> | ||
| 347 | <para>ca_slot_info_t * | ||
| 348 | </para> | ||
| 349 | </entry><entry | ||
| 350 | align="char"> | ||
| 351 | <para>Undocumented.</para> | ||
| 352 | </entry> | ||
| 353 | </row></tbody></tgroup></informaltable> | ||
| 354 | &return-value-dvb; | ||
| 355 | </section> | ||
| 356 | |||
| 357 | <section id="CA_GET_DESCR_INFO" | ||
| 358 | role="subsection"><title>CA_GET_DESCR_INFO</title> | ||
| 359 | <para>DESCRIPTION | ||
| 360 | </para> | ||
| 361 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 362 | align="char"> | ||
| 363 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 364 | </entry> | ||
| 365 | </row></tbody></tgroup></informaltable> | ||
| 366 | <para>SYNOPSIS | ||
| 367 | </para> | ||
| 368 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 369 | align="char"> | ||
| 370 | <para>int ioctl(fd, int request = CA_GET_DESCR_INFO, | ||
| 371 | ca_descr_info_t *);</para> | ||
| 372 | </entry> | ||
| 373 | </row></tbody></tgroup></informaltable> | ||
| 374 | <para>PARAMETERS | ||
| 375 | </para> | ||
| 376 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 377 | align="char"> | ||
| 378 | <para>int fd</para> | ||
| 379 | </entry><entry | ||
| 380 | align="char"> | ||
| 381 | <para>File descriptor returned by a previous call to open().</para> | ||
| 382 | </entry> | ||
| 383 | </row><row><entry | ||
| 384 | align="char"> | ||
| 385 | <para>int request</para> | ||
| 386 | </entry><entry | ||
| 387 | align="char"> | ||
| 388 | <para>Equals CA_GET_DESCR_INFO for this command.</para> | ||
| 389 | </entry> | ||
| 390 | </row><row><entry | ||
| 391 | align="char"> | ||
| 392 | <para>ca_descr_info_t * | ||
| 393 | </para> | ||
| 394 | </entry><entry | ||
| 395 | align="char"> | ||
| 396 | <para>Undocumented.</para> | ||
| 397 | </entry> | ||
| 398 | </row></tbody></tgroup></informaltable> | ||
| 399 | &return-value-dvb; | ||
| 400 | </section> | ||
| 401 | |||
| 402 | <section id="CA_GET_MSG" | ||
| 403 | role="subsection"><title>CA_GET_MSG</title> | ||
| 404 | <para>DESCRIPTION | ||
| 405 | </para> | ||
| 406 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 407 | align="char"> | ||
| 408 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 409 | </entry> | ||
| 410 | </row></tbody></tgroup></informaltable> | ||
| 411 | <para>SYNOPSIS | ||
| 412 | </para> | ||
| 413 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 414 | align="char"> | ||
| 415 | <para>int ioctl(fd, int request = CA_GET_MSG, | ||
| 416 | ca_msg_t *);</para> | ||
| 417 | </entry> | ||
| 418 | </row></tbody></tgroup></informaltable> | ||
| 419 | <para>PARAMETERS | ||
| 420 | </para> | ||
| 421 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 422 | align="char"> | ||
| 423 | <para>int fd</para> | ||
| 424 | </entry><entry | ||
| 425 | align="char"> | ||
| 426 | <para>File descriptor returned by a previous call to open().</para> | ||
| 427 | </entry> | ||
| 428 | </row><row><entry | ||
| 429 | align="char"> | ||
| 430 | <para>int request</para> | ||
| 431 | </entry><entry | ||
| 432 | align="char"> | ||
| 433 | <para>Equals CA_GET_MSG for this command.</para> | ||
| 434 | </entry> | ||
| 435 | </row><row><entry | ||
| 436 | align="char"> | ||
| 437 | <para>ca_msg_t * | ||
| 438 | </para> | ||
| 439 | </entry><entry | ||
| 440 | align="char"> | ||
| 441 | <para>Undocumented.</para> | ||
| 442 | </entry> | ||
| 443 | </row></tbody></tgroup></informaltable> | ||
| 444 | &return-value-dvb; | ||
| 445 | </section> | ||
| 446 | |||
| 447 | <section id="CA_SEND_MSG" | ||
| 448 | role="subsection"><title>CA_SEND_MSG</title> | ||
| 449 | <para>DESCRIPTION | ||
| 450 | </para> | ||
| 451 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 452 | align="char"> | ||
| 453 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 454 | </entry> | ||
| 455 | </row></tbody></tgroup></informaltable> | ||
| 456 | <para>SYNOPSIS | ||
| 457 | </para> | ||
| 458 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 459 | align="char"> | ||
| 460 | <para>int ioctl(fd, int request = CA_SEND_MSG, | ||
| 461 | ca_msg_t *);</para> | ||
| 462 | </entry> | ||
| 463 | </row></tbody></tgroup></informaltable> | ||
| 464 | <para>PARAMETERS | ||
| 465 | </para> | ||
| 466 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 467 | align="char"> | ||
| 468 | <para>int fd</para> | ||
| 469 | </entry><entry | ||
| 470 | align="char"> | ||
| 471 | <para>File descriptor returned by a previous call to open().</para> | ||
| 472 | </entry> | ||
| 473 | </row><row><entry | ||
| 474 | align="char"> | ||
| 475 | <para>int request</para> | ||
| 476 | </entry><entry | ||
| 477 | align="char"> | ||
| 478 | <para>Equals CA_SEND_MSG for this command.</para> | ||
| 479 | </entry> | ||
| 480 | </row><row><entry | ||
| 481 | align="char"> | ||
| 482 | <para>ca_msg_t * | ||
| 483 | </para> | ||
| 484 | </entry><entry | ||
| 485 | align="char"> | ||
| 486 | <para>Undocumented.</para> | ||
| 487 | </entry> | ||
| 488 | </row></tbody></tgroup></informaltable> | ||
| 489 | &return-value-dvb; | ||
| 490 | </section> | ||
| 491 | |||
| 492 | <section id="CA_SET_DESCR" | ||
| 493 | role="subsection"><title>CA_SET_DESCR</title> | ||
| 494 | <para>DESCRIPTION | ||
| 495 | </para> | ||
| 496 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 497 | align="char"> | ||
| 498 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 499 | </entry> | ||
| 500 | </row></tbody></tgroup></informaltable> | ||
| 501 | <para>SYNOPSIS | ||
| 502 | </para> | ||
| 503 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 504 | align="char"> | ||
| 505 | <para>int ioctl(fd, int request = CA_SET_DESCR, | ||
| 506 | ca_descr_t *);</para> | ||
| 507 | </entry> | ||
| 508 | </row></tbody></tgroup></informaltable> | ||
| 509 | <para>PARAMETERS | ||
| 510 | </para> | ||
| 511 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 512 | align="char"> | ||
| 513 | <para>int fd</para> | ||
| 514 | </entry><entry | ||
| 515 | align="char"> | ||
| 516 | <para>File descriptor returned by a previous call to open().</para> | ||
| 517 | </entry> | ||
| 518 | </row><row><entry | ||
| 519 | align="char"> | ||
| 520 | <para>int request</para> | ||
| 521 | </entry><entry | ||
| 522 | align="char"> | ||
| 523 | <para>Equals CA_SET_DESCR for this command.</para> | ||
| 524 | </entry> | ||
| 525 | </row><row><entry | ||
| 526 | align="char"> | ||
| 527 | <para>ca_descr_t * | ||
| 528 | </para> | ||
| 529 | </entry><entry | ||
| 530 | align="char"> | ||
| 531 | <para>Undocumented.</para> | ||
| 532 | </entry> | ||
| 533 | </row></tbody></tgroup></informaltable> | ||
| 534 | &return-value-dvb; | ||
| 535 | </section> | ||
| 536 | |||
| 537 | <section id="CA_SET_PID" | ||
| 538 | role="subsection"><title>CA_SET_PID</title> | ||
| 539 | <para>DESCRIPTION | ||
| 540 | </para> | ||
| 541 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 542 | align="char"> | ||
| 543 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 544 | </entry> | ||
| 545 | </row></tbody></tgroup></informaltable> | ||
| 546 | <para>SYNOPSIS | ||
| 547 | </para> | ||
| 548 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 549 | align="char"> | ||
| 550 | <para>int ioctl(fd, int request = CA_SET_PID, | ||
| 551 | ca_pid_t *);</para> | ||
| 552 | </entry> | ||
| 553 | </row></tbody></tgroup></informaltable> | ||
| 554 | <para>PARAMETERS | ||
| 555 | </para> | ||
| 556 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 557 | align="char"> | ||
| 558 | <para>int fd</para> | ||
| 559 | </entry><entry | ||
| 560 | align="char"> | ||
| 561 | <para>File descriptor returned by a previous call to open().</para> | ||
| 562 | </entry> | ||
| 563 | </row><row><entry | ||
| 564 | align="char"> | ||
| 565 | <para>int request</para> | ||
| 566 | </entry><entry | ||
| 567 | align="char"> | ||
| 568 | <para>Equals CA_SET_PID for this command.</para> | ||
| 569 | </entry> | ||
| 570 | </row><row><entry | ||
| 571 | align="char"> | ||
| 572 | <para>ca_pid_t * | ||
| 573 | </para> | ||
| 574 | </entry><entry | ||
| 575 | align="char"> | ||
| 576 | <para>Undocumented.</para> | ||
| 577 | </entry> | ||
| 578 | </row></tbody></tgroup></informaltable> | ||
| 579 | &return-value-dvb; | ||
| 580 | </section> | ||
| 581 | |||
| 229 | </section> | 582 | </section> |
| @@ -899,4 +899,232 @@ typedef enum { · 898 unmodified lines | |||
| 899 | <para>Invalid stc number.</para> | 899 | <para>Invalid stc number.</para> |
| 900 | </entry> | 900 | </entry> |
| 901 | </row></tbody></tgroup></informaltable> | 901 | </row></tbody></tgroup></informaltable> |
| 902 | </section></section> | 902 | </section> |
| 903 | |||
| 904 | <section id="DMX_GET_PES_PIDS" | ||
| 905 | role="subsection"><title>DMX_GET_PES_PIDS</title> | ||
| 906 | <para>DESCRIPTION | ||
| 907 | </para> | ||
| 908 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 909 | align="char"> | ||
| 910 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 911 | </entry> | ||
| 912 | </row></tbody></tgroup></informaltable> | ||
| 913 | <para>SYNOPSIS | ||
| 914 | </para> | ||
| 915 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 916 | align="char"> | ||
| 917 | <para>int ioctl(fd, int request = DMX_GET_PES_PIDS, | ||
| 918 | __u16[5]);</para> | ||
| 919 | </entry> | ||
| 920 | </row></tbody></tgroup></informaltable> | ||
| 921 | <para>PARAMETERS | ||
| 922 | </para> | ||
| 923 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 924 | align="char"> | ||
| 925 | <para>int fd</para> | ||
| 926 | </entry><entry | ||
| 927 | align="char"> | ||
| 928 | <para>File descriptor returned by a previous call to open().</para> | ||
| 929 | </entry> | ||
| 930 | </row><row><entry | ||
| 931 | align="char"> | ||
| 932 | <para>int request</para> | ||
| 933 | </entry><entry | ||
| 934 | align="char"> | ||
| 935 | <para>Equals DMX_GET_PES_PIDS for this command.</para> | ||
| 936 | </entry> | ||
| 937 | </row><row><entry | ||
| 938 | align="char"> | ||
| 939 | <para>__u16[5] | ||
| 940 | </para> | ||
| 941 | </entry><entry | ||
| 942 | align="char"> | ||
| 943 | <para>Undocumented.</para> | ||
| 944 | </entry> | ||
| 945 | </row></tbody></tgroup></informaltable> | ||
| 946 | &return-value-dvb; | ||
| 947 | </section> | ||
| 948 | |||
| 949 | <section id="DMX_GET_CAPS" | ||
| 950 | role="subsection"><title>DMX_GET_CAPS</title> | ||
| 951 | <para>DESCRIPTION | ||
| 952 | </para> | ||
| 953 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 954 | align="char"> | ||
| 955 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 956 | </entry> | ||
| 957 | </row></tbody></tgroup></informaltable> | ||
| 958 | <para>SYNOPSIS | ||
| 959 | </para> | ||
| 960 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 961 | align="char"> | ||
| 962 | <para>int ioctl(fd, int request = DMX_GET_CAPS, | ||
| 963 | dmx_caps_t *);</para> | ||
| 964 | </entry> | ||
| 965 | </row></tbody></tgroup></informaltable> | ||
| 966 | <para>PARAMETERS | ||
| 967 | </para> | ||
| 968 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 969 | align="char"> | ||
| 970 | <para>int fd</para> | ||
| 971 | </entry><entry | ||
| 972 | align="char"> | ||
| 973 | <para>File descriptor returned by a previous call to open().</para> | ||
| 974 | </entry> | ||
| 975 | </row><row><entry | ||
| 976 | align="char"> | ||
| 977 | <para>int request</para> | ||
| 978 | </entry><entry | ||
| 979 | align="char"> | ||
| 980 | <para>Equals DMX_GET_CAPS for this command.</para> | ||
| 981 | </entry> | ||
| 982 | </row><row><entry | ||
| 983 | align="char"> | ||
| 984 | <para>dmx_caps_t * | ||
| 985 | </para> | ||
| 986 | </entry><entry | ||
| 987 | align="char"> | ||
| 988 | <para>Undocumented.</para> | ||
| 989 | </entry> | ||
| 990 | </row></tbody></tgroup></informaltable> | ||
| 991 | &return-value-dvb; | ||
| 992 | </section> | ||
| 993 | |||
| 994 | <section id="DMX_SET_SOURCE" | ||
| 995 | role="subsection"><title>DMX_SET_SOURCE</title> | ||
| 996 | <para>DESCRIPTION | ||
| 997 | </para> | ||
| 998 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 999 | align="char"> | ||
| 1000 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 1001 | </entry> | ||
| 1002 | </row></tbody></tgroup></informaltable> | ||
| 1003 | <para>SYNOPSIS | ||
| 1004 | </para> | ||
| 1005 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1006 | align="char"> | ||
| 1007 | <para>int ioctl(fd, int request = DMX_SET_SOURCE, | ||
| 1008 | dmx_source_t *);</para> | ||
| 1009 | </entry> | ||
| 1010 | </row></tbody></tgroup></informaltable> | ||
| 1011 | <para>PARAMETERS | ||
| 1012 | </para> | ||
| 1013 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 1014 | align="char"> | ||
| 1015 | <para>int fd</para> | ||
| 1016 | </entry><entry | ||
| 1017 | align="char"> | ||
| 1018 | <para>File descriptor returned by a previous call to open().</para> | ||
| 1019 | </entry> | ||
| 1020 | </row><row><entry | ||
| 1021 | align="char"> | ||
| 1022 | <para>int request</para> | ||
| 1023 | </entry><entry | ||
| 1024 | align="char"> | ||
| 1025 | <para>Equals DMX_SET_SOURCE for this command.</para> | ||
| 1026 | </entry> | ||
| 1027 | </row><row><entry | ||
| 1028 | align="char"> | ||
| 1029 | <para>dmx_source_t * | ||
| 1030 | </para> | ||
| 1031 | </entry><entry | ||
| 1032 | align="char"> | ||
| 1033 | <para>Undocumented.</para> | ||
| 1034 | </entry> | ||
| 1035 | </row></tbody></tgroup></informaltable> | ||
| 1036 | &return-value-dvb; | ||
| 1037 | </section> | ||
| 1038 | |||
| 1039 | <section id="DMX_ADD_PID" | ||
| 1040 | role="subsection"><title>DMX_ADD_PID</title> | ||
| 1041 | <para>DESCRIPTION | ||
| 1042 | </para> | ||
| 1043 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1044 | align="char"> | ||
| 1045 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 1046 | </entry> | ||
| 1047 | </row></tbody></tgroup></informaltable> | ||
| 1048 | <para>SYNOPSIS | ||
| 1049 | </para> | ||
| 1050 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1051 | align="char"> | ||
| 1052 | <para>int ioctl(fd, int request = DMX_ADD_PID, | ||
| 1053 | __u16 *);</para> | ||
| 1054 | </entry> | ||
| 1055 | </row></tbody></tgroup></informaltable> | ||
| 1056 | <para>PARAMETERS | ||
| 1057 | </para> | ||
| 1058 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 1059 | align="char"> | ||
| 1060 | <para>int fd</para> | ||
| 1061 | </entry><entry | ||
| 1062 | align="char"> | ||
| 1063 | <para>File descriptor returned by a previous call to open().</para> | ||
| 1064 | </entry> | ||
| 1065 | </row><row><entry | ||
| 1066 | align="char"> | ||
| 1067 | <para>int request</para> | ||
| 1068 | </entry><entry | ||
| 1069 | align="char"> | ||
| 1070 | <para>Equals DMX_ADD_PID for this command.</para> | ||
| 1071 | </entry> | ||
| 1072 | </row><row><entry | ||
| 1073 | align="char"> | ||
| 1074 | <para>__u16 * | ||
| 1075 | </para> | ||
| 1076 | </entry><entry | ||
| 1077 | align="char"> | ||
| 1078 | <para>Undocumented.</para> | ||
| 1079 | </entry> | ||
| 1080 | </row></tbody></tgroup></informaltable> | ||
| 1081 | &return-value-dvb; | ||
| 1082 | </section> | ||
| 1083 | |||
| 1084 | <section id="DMX_REMOVE_PID" | ||
| 1085 | role="subsection"><title>DMX_REMOVE_PID</title> | ||
| 1086 | <para>DESCRIPTION | ||
| 1087 | </para> | ||
| 1088 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1089 | align="char"> | ||
| 1090 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 1091 | </entry> | ||
| 1092 | </row></tbody></tgroup></informaltable> | ||
| 1093 | <para>SYNOPSIS | ||
| 1094 | </para> | ||
| 1095 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1096 | align="char"> | ||
| 1097 | <para>int ioctl(fd, int request = DMX_REMOVE_PID, | ||
| 1098 | __u16 *);</para> | ||
| 1099 | </entry> | ||
| 1100 | </row></tbody></tgroup></informaltable> | ||
| 1101 | <para>PARAMETERS | ||
| 1102 | </para> | ||
| 1103 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 1104 | align="char"> | ||
| 1105 | <para>int fd</para> | ||
| 1106 | </entry><entry | ||
| 1107 | align="char"> | ||
| 1108 | <para>File descriptor returned by a previous call to open().</para> | ||
| 1109 | </entry> | ||
| 1110 | </row><row><entry | ||
| 1111 | align="char"> | ||
| 1112 | <para>int request</para> | ||
| 1113 | </entry><entry | ||
| 1114 | align="char"> | ||
| 1115 | <para>Equals DMX_REMOVE_PID for this command.</para> | ||
| 1116 | </entry> | ||
| 1117 | </row><row><entry | ||
| 1118 | align="char"> | ||
| 1119 | <para>__u16 * | ||
| 1120 | </para> | ||
| 1121 | </entry><entry | ||
| 1122 | align="char"> | ||
| 1123 | <para>Undocumented.</para> | ||
| 1124 | </entry> | ||
| 1125 | </row></tbody></tgroup></informaltable> | ||
| 1126 | &return-value-dvb; | ||
| 1127 | </section> | ||
| 1128 | |||
| 1129 | |||
| 1130 | </section> | ||
| @@ -28,7 +28,7 @@ · 27 unmodified lines | |||
| 28 | <holder>Convergence GmbH</holder> | 28 | <holder>Convergence GmbH</holder> |
| 29 | </copyright> | 29 | </copyright> |
| 30 | <copyright> | 30 | <copyright> |
| 31 | <year>2009-2011</year> | 31 | <year>2009-2012</year> |
| 32 | <holder>Mauro Carvalho Chehab</holder> | 32 | <holder>Mauro Carvalho Chehab</holder> |
| 33 | </copyright> | 33 | </copyright> |
| 34 | 34 | ||
| @@ -84,7 +84,7 @@ Added ISDB-T test originally written by Patrick Boettcher · 49 unmodified lines | |||
| 84 | 84 | ||
| 85 | 85 | ||
| 86 | <title>LINUX DVB API</title> | 86 | <title>LINUX DVB API</title> |
| 87 | <subtitle>Version 5.2</subtitle> | 87 | <subtitle>Version 5.8</subtitle> |
| 88 | <!-- ADD THE CHAPTERS HERE --> | 88 | <!-- ADD THE CHAPTERS HERE --> |
| 89 | <chapter id="dvb_introdution"> | 89 | <chapter id="dvb_introdution"> |
| 90 | &sub-intro; | 90 | &sub-intro; |
| @@ -194,6 +194,7 @@ get/set up to 64 properties. The actual meaning of each property is described on · 193 unmodified lines | |||
| 194 | APSK_16, | 194 | APSK_16, |
| 195 | APSK_32, | 195 | APSK_32, |
| 196 | DQPSK, | 196 | DQPSK, |
| 197 | QAM_4_NR, | ||
| 197 | } fe_modulation_t; | 198 | } fe_modulation_t; |
| 198 | </programlisting> | 199 | </programlisting> |
| 199 | </section> | 200 | </section> |
| @@ -265,6 +266,7 @@ typedef enum fe_code_rate { · 65 unmodified lines | |||
| 265 | FEC_AUTO, | 266 | FEC_AUTO, |
| 266 | FEC_3_5, | 267 | FEC_3_5, |
| 267 | FEC_9_10, | 268 | FEC_9_10, |
| 269 | FEC_2_5, | ||
| 268 | } fe_code_rate_t; | 270 | } fe_code_rate_t; |
| 269 | </programlisting> | 271 | </programlisting> |
| 270 | <para>which correspond to error correction rates of 1/2, 2/3, etc., | 272 | <para>which correspond to error correction rates of 1/2, 2/3, etc., |
| @@ -351,7 +353,7 @@ typedef enum fe_delivery_system { · 80 unmodified lines | |||
| 351 | SYS_ISDBC, | 353 | SYS_ISDBC, |
| 352 | SYS_ATSC, | 354 | SYS_ATSC, |
| 353 | SYS_ATSCMH, | 355 | SYS_ATSCMH, |
| 354 | SYS_DMBTH, | 356 | SYS_DTMB, |
| 355 | SYS_CMMB, | 357 | SYS_CMMB, |
| 356 | SYS_DAB, | 358 | SYS_DAB, |
| 357 | SYS_DVBT2, | 359 | SYS_DVBT2, |
| @@ -567,28 +569,33 @@ typedef enum fe_delivery_system { · 209 unmodified lines | |||
| 567 | <title><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></title> | 569 | <title><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></title> |
| 568 | <para>RS frame mode.</para> | 570 | <para>RS frame mode.</para> |
| 569 | <para>Possible values are:</para> | 571 | <para>Possible values are:</para> |
| 572 | <para id="atscmh-rs-frame-mode"> | ||
| 570 | <programlisting> | 573 | <programlisting> |
| 571 | typedef enum atscmh_rs_frame_mode { | 574 | typedef enum atscmh_rs_frame_mode { |
| 572 | ATSCMH_RSFRAME_PRI_ONLY = 0, | 575 | ATSCMH_RSFRAME_PRI_ONLY = 0, |
| 573 | ATSCMH_RSFRAME_PRI_SEC = 1, | 576 | ATSCMH_RSFRAME_PRI_SEC = 1, |
| 574 | } atscmh_rs_frame_mode_t; | 577 | } atscmh_rs_frame_mode_t; |
| 575 | </programlisting> | 578 | </programlisting> |
| 579 | </para> | ||
| 576 | </section> | 580 | </section> |
| 577 | <section id="DTV-ATSCMH-RS-FRAME-ENSEMBLE"> | 581 | <section id="DTV-ATSCMH-RS-FRAME-ENSEMBLE"> |
| 578 | <title><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></title> | 582 | <title><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></title> |
| 579 | <para>RS frame ensemble.</para> | 583 | <para>RS frame ensemble.</para> |
| 580 | <para>Possible values are:</para> | 584 | <para>Possible values are:</para> |
| 585 | <para id="atscmh-rs-frame-ensemble"> | ||
| 581 | <programlisting> | 586 | <programlisting> |
| 582 | typedef enum atscmh_rs_frame_ensemble { | 587 | typedef enum atscmh_rs_frame_ensemble { |
| 583 | ATSCMH_RSFRAME_ENS_PRI = 0, | 588 | ATSCMH_RSFRAME_ENS_PRI = 0, |
| 584 | ATSCMH_RSFRAME_ENS_SEC = 1, | 589 | ATSCMH_RSFRAME_ENS_SEC = 1, |
| 585 | } atscmh_rs_frame_ensemble_t; | 590 | } atscmh_rs_frame_ensemble_t; |
| 586 | </programlisting> | 591 | </programlisting> |
| 592 | </para> | ||
| 587 | </section> | 593 | </section> |
| 588 | <section id="DTV-ATSCMH-RS-CODE-MODE-PRI"> | 594 | <section id="DTV-ATSCMH-RS-CODE-MODE-PRI"> |
| 589 | <title><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></title> | 595 | <title><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></title> |
| 590 | <para>RS code mode (primary).</para> | 596 | <para>RS code mode (primary).</para> |
| 591 | <para>Possible values are:</para> | 597 | <para>Possible values are:</para> |
| 598 | <para id="atscmh-rs-code-mode"> | ||
| 592 | <programlisting> | 599 | <programlisting> |
| 593 | typedef enum atscmh_rs_code_mode { | 600 | typedef enum atscmh_rs_code_mode { |
| 594 | ATSCMH_RSCODE_211_187 = 0, | 601 | ATSCMH_RSCODE_211_187 = 0, |
| @@ -596,6 +603,7 @@ typedef enum atscmh_rs_code_mode { · 1 unmodified line | |||
| 596 | ATSCMH_RSCODE_235_187 = 2, | 603 | ATSCMH_RSCODE_235_187 = 2, |
| 597 | } atscmh_rs_code_mode_t; | 604 | } atscmh_rs_code_mode_t; |
| 598 | </programlisting> | 605 | </programlisting> |
| 606 | </para> | ||
| 599 | </section> | 607 | </section> |
| 600 | <section id="DTV-ATSCMH-RS-CODE-MODE-SEC"> | 608 | <section id="DTV-ATSCMH-RS-CODE-MODE-SEC"> |
| 601 | <title><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></title> | 609 | <title><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></title> |
| @@ -613,23 +621,27 @@ typedef enum atscmh_rs_code_mode { · 11 unmodified lines | |||
| 613 | <title><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></title> | 621 | <title><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></title> |
| 614 | <para>Series Concatenated Convolutional Code Block Mode.</para> | 622 | <para>Series Concatenated Convolutional Code Block Mode.</para> |
| 615 | <para>Possible values are:</para> | 623 | <para>Possible values are:</para> |
| 624 | <para id="atscmh-sccc-block-mode"> | ||
| 616 | <programlisting> | 625 | <programlisting> |
| 617 | typedef enum atscmh_sccc_block_mode { | 626 | typedef enum atscmh_sccc_block_mode { |
| 618 | ATSCMH_SCCC_BLK_SEP = 0, | 627 | ATSCMH_SCCC_BLK_SEP = 0, |
| 619 | ATSCMH_SCCC_BLK_COMB = 1, | 628 | ATSCMH_SCCC_BLK_COMB = 1, |
| 620 | } atscmh_sccc_block_mode_t; | 629 | } atscmh_sccc_block_mode_t; |
| 621 | </programlisting> | 630 | </programlisting> |
| 631 | </para> | ||
| 622 | </section> | 632 | </section> |
| 623 | <section id="DTV-ATSCMH-SCCC-CODE-MODE-A"> | 633 | <section id="DTV-ATSCMH-SCCC-CODE-MODE-A"> |
| 624 | <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></title> | 634 | <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></title> |
| 625 | <para>Series Concatenated Convolutional Code Rate.</para> | 635 | <para>Series Concatenated Convolutional Code Rate.</para> |
| 626 | <para>Possible values are:</para> | 636 | <para>Possible values are:</para> |
| 637 | <para id="atscmh-sccc-code-mode"> | ||
| 627 | <programlisting> | 638 | <programlisting> |
| 628 | typedef enum atscmh_sccc_code_mode { | 639 | typedef enum atscmh_sccc_code_mode { |
| 629 | ATSCMH_SCCC_CODE_HLF = 0, | 640 | ATSCMH_SCCC_CODE_HLF = 0, |
| 630 | ATSCMH_SCCC_CODE_QTR = 1, | 641 | ATSCMH_SCCC_CODE_QTR = 1, |
| 631 | } atscmh_sccc_code_mode_t; | 642 | } atscmh_sccc_code_mode_t; |
| 632 | </programlisting> | 643 | </programlisting> |
| 644 | </para> | ||
| 633 | </section> | 645 | </section> |
| 634 | <section id="DTV-ATSCMH-SCCC-CODE-MODE-B"> | 646 | <section id="DTV-ATSCMH-SCCC-CODE-MODE-B"> |
| 635 | <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></title> | 647 | <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></title> |
| @@ -725,6 +737,9 @@ typedef enum fe_guard_interval { · 89 unmodified lines | |||
| 725 | GUARD_INTERVAL_1_128, | 737 | GUARD_INTERVAL_1_128, |
| 726 | GUARD_INTERVAL_19_128, | 738 | GUARD_INTERVAL_19_128, |
| 727 | GUARD_INTERVAL_19_256, | 739 | GUARD_INTERVAL_19_256, |
| 740 | GUARD_INTERVAL_PN420, | ||
| 741 | GUARD_INTERVAL_PN595, | ||
| 742 | GUARD_INTERVAL_PN945, | ||
| 728 | } fe_guard_interval_t; | 743 | } fe_guard_interval_t; |
| 729 | </programlisting> | 744 | </programlisting> |
| 730 | 745 | ||
| @@ -733,6 +748,7 @@ typedef enum fe_guard_interval { · 2 unmodified lines | |||
| 733 | try to find the correct guard interval (if capable) and will use TMCC to fill | 748 | try to find the correct guard interval (if capable) and will use TMCC to fill |
| 734 | in the missing parameters.</para> | 749 | in the missing parameters.</para> |
| 735 | <para>2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present</para> | 750 | <para>2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present</para> |
| 751 | <para>3) DTMB specifies PN420, PN595 and PN945.</para> | ||
| 736 | </section> | 752 | </section> |
| 737 | <section id="DTV-TRANSMISSION-MODE"> | 753 | <section id="DTV-TRANSMISSION-MODE"> |
| 738 | <title><constant>DTV_TRANSMISSION_MODE</constant></title> | 754 | <title><constant>DTV_TRANSMISSION_MODE</constant></title> |
| @@ -749,6 +765,8 @@ typedef enum fe_transmit_mode { · 10 unmodified lines | |||
| 749 | TRANSMISSION_MODE_1K, | 765 | TRANSMISSION_MODE_1K, |
| 750 | TRANSMISSION_MODE_16K, | 766 | TRANSMISSION_MODE_16K, |
| 751 | TRANSMISSION_MODE_32K, | 767 | TRANSMISSION_MODE_32K, |
| 768 | TRANSMISSION_MODE_C1, | ||
| 769 | TRANSMISSION_MODE_C3780, | ||
| 752 | } fe_transmit_mode_t; | 770 | } fe_transmit_mode_t; |
| 753 | </programlisting> | 771 | </programlisting> |
| 754 | <para>Notes:</para> | 772 | <para>Notes:</para> |
| @@ -760,6 +778,7 @@ typedef enum fe_transmit_mode { · 5 unmodified lines | |||
| 760 | use TMCC to fill in the missing parameters.</para> | 778 | use TMCC to fill in the missing parameters.</para> |
| 761 | <para>3) DVB-T specifies 2K and 8K as valid sizes.</para> | 779 | <para>3) DVB-T specifies 2K and 8K as valid sizes.</para> |
| 762 | <para>4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.</para> | 780 | <para>4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.</para> |
| 781 | <para>5) DTMB specifies C1 and C3780.</para> | ||
| 763 | </section> | 782 | </section> |
| 764 | <section id="DTV-HIERARCHY"> | 783 | <section id="DTV-HIERARCHY"> |
| 765 | <title><constant>DTV_HIERARCHY</constant></title> | 784 | <title><constant>DTV_HIERARCHY</constant></title> |
| @@ -774,17 +793,28 @@ typedef enum fe_hierarchy { · 8 unmodified lines | |||
| 774 | } fe_hierarchy_t; | 793 | } fe_hierarchy_t; |
| 775 | </programlisting> | 794 | </programlisting> |
| 776 | </section> | 795 | </section> |
| 777 | <section id="DTV-ISDBS-TS-ID"> | 796 | <section id="DTV-STREAM-ID"> |
| 778 | <title><constant>DTV_ISDBS_TS_ID</constant></title> | 797 | <title><constant>DTV_STREAM_ID</constant></title> |
| 779 | <para>Currently unused.</para> | 798 | <para>DVB-S2, DVB-T2 and ISDB-S support the transmission of several |
| 799 | streams on a single transport stream. | ||
| 800 | This property enables the DVB driver to handle substream filtering, | ||
| 801 | when supported by the hardware. | ||
| 802 | By default, substream filtering is disabled. | ||
| 803 | </para><para> | ||
| 804 | For DVB-S2 and DVB-T2, the valid substream id range is from 0 to 255. | ||
| 805 | </para><para> | ||
| 806 | For ISDB, the valid substream id range is from 1 to 65535. | ||
| 807 | </para><para> | ||
| 808 | To disable it, you should use the special macro NO_STREAM_ID_FILTER. | ||
| 809 | </para><para> | ||
| 810 | Note: any value outside the id range also disables filtering. | ||
| 811 | </para> | ||
| 780 | </section> | 812 | </section> |
| 781 | <section id="DTV-DVBT2-PLP-ID"> | 813 | <section id="DTV-DVBT2-PLP-ID-LEGACY"> |
| 782 | <title><constant>DTV_DVBT2_PLP_ID</constant></title> | 814 | <title><constant>DTV_DVBT2_PLP_ID_LEGACY</constant></title> |
| 783 | <para>DVB-T2 supports Physical Layer Pipes (PLP) to allow transmission of | 815 | <para>Obsolete, replaced with DTV_STREAM_ID.</para> |
| 784 | many data types via a single multiplex. The API will soon support this | ||
| 785 | at which point this section will be expanded.</para> | ||
| 786 | </section> | 816 | </section> |
| 787 | <section id="DTV_ENUM_DELSYS"> | 817 | <section id="DTV-ENUM-DELSYS"> |
| 788 | <title><constant>DTV_ENUM_DELSYS</constant></title> | 818 | <title><constant>DTV_ENUM_DELSYS</constant></title> |
| 789 | <para>A Multi standard frontend needs to advertise the delivery systems provided. | 819 | <para>A Multi standard frontend needs to advertise the delivery systems provided. |
| 790 | Applications need to enumerate the provided delivery systems, before using | 820 | Applications need to enumerate the provided delivery systems, before using |
| @@ -796,6 +826,29 @@ typedef enum fe_hierarchy { · 5 unmodified lines | |||
| 796 | FE_GET_INFO. In the case of a legacy frontend, the result is just the same | 826 | FE_GET_INFO. In the case of a legacy frontend, the result is just the same |
| 797 | as with FE_GET_INFO, but in a more structured format </para> | 827 | as with FE_GET_INFO, but in a more structured format </para> |
| 798 | </section> | 828 | </section> |
| 829 | <section id="DTV-INTERLEAVING"> | ||
| 830 | <title><constant>DTV_INTERLEAVING</constant></title> | ||
| 831 | <para id="fe-interleaving">Interleaving mode</para> | ||
| 832 | <programlisting> | ||
| 833 | enum fe_interleaving { | ||
| 834 | INTERLEAVING_NONE, | ||
| 835 | INTERLEAVING_AUTO, | ||
| 836 | INTERLEAVING_240, | ||
| 837 | INTERLEAVING_720, | ||
| 838 | }; | ||
| 839 | </programlisting> | ||
| 840 | </section> | ||
| 841 | <section id="DTV-LNA"> | ||
| 842 | <title><constant>DTV_LNA</constant></title> | ||
| 843 | <para>Low-noise amplifier.</para> | ||
| 844 | <para>Hardware might offer controllable LNA which can be set manually | ||
| 845 | using that parameter. Usually LNA could be found only from | ||
| 846 | terrestrial devices if at all.</para> | ||
| 847 | <para>Possible values: 0, 1, LNA_AUTO</para> | ||
| 848 | <para>0, LNA off</para> | ||
| 849 | <para>1, LNA on</para> | ||
| 850 | <para>use the special macro LNA_AUTO to set LNA auto</para> | ||
| 851 | </section> | ||
| 799 | </section> | 852 | </section> |
| 800 | <section id="frontend-property-terrestrial-systems"> | 853 | <section id="frontend-property-terrestrial-systems"> |
| 801 | <title>Properties used on terrestrial delivery systems</title> | 854 | <title>Properties used on terrestrial delivery systems</title> |
| @@ -816,6 +869,7 @@ typedef enum fe_hierarchy { · 14 unmodified lines | |||
| 816 | <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> | 869 | <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> |
| 817 | <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> | 870 | <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> |
| 818 | <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> | 871 | <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> |
| 872 | <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> | ||
| 819 | </itemizedlist> | 873 | </itemizedlist> |
| 820 | </section> | 874 | </section> |
| 821 | <section id="dvbt2-params"> | 875 | <section id="dvbt2-params"> |
| @@ -838,7 +892,8 @@ typedef enum fe_hierarchy { · 16 unmodified lines | |||
| 838 | <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> | 892 | <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> |
| 839 | <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> | 893 | <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> |
| 840 | <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> | 894 | <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> |
| 841 | <listitem><para><link linkend="DTV-DVBT2-PLP-ID"><constant>DTV_DVBT2_PLP_ID</constant></link></para></listitem> | 895 | <listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem> |
| 896 | <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> | ||
| 842 | </itemizedlist> | 897 | </itemizedlist> |
| 843 | </section> | 898 | </section> |
| 844 | <section id="isdbt"> | 899 | <section id="isdbt"> |
| @@ -925,13 +980,32 @@ typedef enum fe_hierarchy { · 80 unmodified lines | |||
| 925 | <listitem><para><link linkend="DTV-ATSCMH-PRC"><constant>DTV_ATSCMH_PRC</constant></link></para></listitem> | 980 | <listitem><para><link linkend="DTV-ATSCMH-PRC"><constant>DTV_ATSCMH_PRC</constant></link></para></listitem> |
| 926 | <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-MODE"><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></link></para></listitem> | 981 | <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-MODE"><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></link></para></listitem> |
| 927 | <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-ENSEMBLE"><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></link></para></listitem> | 982 | <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-ENSEMBLE"><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></link></para></listitem> |
| 928 | <listitem><para><link linkend="DTV-ATSCMH-CODE-MODE-PRI"><constant>DTV_ATSCMH_CODE_MODE_PRI</constant></link></para></listitem> | 983 | <listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-PRI"><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></link></para></listitem> |
| 929 | <listitem><para><link linkend="DTV-ATSCMH-CODE-MODE-SEC"><constant>DTV_ATSCMH_CODE_MODE_SEC</constant></link></para></listitem> | 984 | <listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-SEC"><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></link></para></listitem> |
| 930 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-BLOCK-MODE"><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></link></para></listitem> | 985 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-BLOCK-MODE"><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></link></para></listitem> |
| 931 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-A"><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></link></para></listitem> | 986 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-A"><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></link></para></listitem> |
| 932 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-B"><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></link></para></listitem> | 987 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-B"><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></link></para></listitem> |
| 933 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-C"><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></link></para></listitem> | 988 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-C"><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></link></para></listitem> |
| 934 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem> | 989 | <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem> |
| 990 | </itemizedlist> | ||
| 991 | </section> | ||
| 992 | <section id="dtmb-params"> | ||
| 993 | <title>DTMB delivery system</title> | ||
| 994 | <para>The following parameters are valid for DTMB:</para> | ||
| 995 | <itemizedlist mark='opencircle'> | ||
| 996 | <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> | ||
| 997 | <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> | ||
| 998 | <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> | ||
| 999 | <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> | ||
| 1000 | <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> | ||
| 1001 | <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> | ||
| 1002 | <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> | ||
| 1003 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> | ||
| 1004 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> | ||
| 1005 | <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> | ||
| 1006 | <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> | ||
| 1007 | <listitem><para><link linkend="DTV-INTERLEAVING"><constant>DTV_INTERLEAVING</constant></link></para></listitem> | ||
| 1008 | <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> | ||
| 935 | </itemizedlist> | 1009 | </itemizedlist> |
| 936 | </section> | 1010 | </section> |
| 937 | </section> | 1011 | </section> |
| @@ -952,6 +1026,7 @@ typedef enum fe_hierarchy { · 14 unmodified lines | |||
| 952 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> | 1026 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| 953 | <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> | 1027 | <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> |
| 954 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> | 1028 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> |
| 1029 | <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> | ||
| 955 | </itemizedlist> | 1030 | </itemizedlist> |
| 956 | </section> | 1031 | </section> |
| 957 | <section id="dvbc-annex-b-params"> | 1032 | <section id="dvbc-annex-b-params"> |
| @@ -966,6 +1041,7 @@ typedef enum fe_hierarchy { · 8 unmodified lines | |||
| 966 | <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> | 1041 | <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| 967 | <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> | 1042 | <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| 968 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> | 1043 | <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| 1044 | <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> | ||
| 969 | </itemizedlist> | 1045 | </itemizedlist> |
| 970 | </section> | 1046 | </section> |
| 971 | </section> | 1047 | </section> |
| @@ -999,6 +1075,7 @@ typedef enum fe_hierarchy { · 27 unmodified lines | |||
| 999 | <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> | 1075 | <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| 1000 | <listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem> | 1076 | <listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem> |
| 1001 | <listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem> | 1077 | <listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem> |
| 1078 | <listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem> | ||
| 1002 | </itemizedlist> | 1079 | </itemizedlist> |
| 1003 | </section> | 1080 | </section> |
| 1004 | <section id="turbo-params"> | 1081 | <section id="turbo-params"> |
| @@ -1021,7 +1098,7 @@ typedef enum fe_hierarchy { · 16 unmodified lines | |||
| 1021 | <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> | 1098 | <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> |
| 1022 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> | 1099 | <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> |
| 1023 | <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> | 1100 | <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> |
| 1024 | <listitem><para><link linkend="DTV-ISDBS-TS-ID"><constant>DTV_ISDBS_TS_ID</constant></link></para></listitem> | 1101 | <listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem> |
| 1025 | </itemizedlist> | 1102 | </itemizedlist> |
| 1026 | </section> | 1103 | </section> |
| 1027 | </section> | 1104 | </section> |
| @@ -66,7 +66,7 @@ supported via the new <link linkend="FE_GET_SET_PROPERTY">FE_GET_PROPERTY/FE_GET · 65 unmodified lines | |||
| 66 | 66 | ||
| 67 | <para>The usage of this field is deprecated, as it doesn't report all supported standards, and | 67 | <para>The usage of this field is deprecated, as it doesn't report all supported standards, and |
| 68 | will provide an incomplete information for frontends that support multiple delivery systems. | 68 | will provide an incomplete information for frontends that support multiple delivery systems. |
| 69 | Please use <link linkend="DTV_ENUM_DELSYS">DTV_ENUM_DELSYS</link> instead.</para> | 69 | Please use <link linkend="DTV-ENUM-DELSYS">DTV_ENUM_DELSYS</link> instead.</para> |
| 70 | </section> | 70 | </section> |
| 71 | 71 | ||
| 72 | <section id="fe-caps-t"> | 72 | <section id="fe-caps-t"> |
| @@ -101,6 +101,7 @@ a specific frontend type.</para> · 28 unmodified lines | |||
| 101 | FE_CAN_8VSB = 0x200000, | 101 | FE_CAN_8VSB = 0x200000, |
| 102 | FE_CAN_16VSB = 0x400000, | 102 | FE_CAN_16VSB = 0x400000, |
| 103 | FE_HAS_EXTENDED_CAPS = 0x800000, | 103 | FE_HAS_EXTENDED_CAPS = 0x800000, |
| 104 | FE_CAN_MULTISTREAM = 0x4000000, | ||
| 104 | FE_CAN_TURBO_FEC = 0x8000000, | 105 | FE_CAN_TURBO_FEC = 0x8000000, |
| 105 | FE_CAN_2G_MODULATION = 0x10000000, | 106 | FE_CAN_2G_MODULATION = 0x10000000, |
| 106 | FE_NEEDS_BENDING = 0x20000000, | 107 | FE_NEEDS_BENDING = 0x20000000, |
| @@ -207,18 +208,44 @@ spec.</para> · 100 unmodified lines | |||
| 207 | <para>Several functions of the frontend device use the fe_status data type defined | 208 | <para>Several functions of the frontend device use the fe_status data type defined |
| 208 | by</para> | 209 | by</para> |
| 209 | <programlisting> | 210 | <programlisting> |
| 210 | typedef enum fe_status { | 211 | typedef enum fe_status { |
| 211 | FE_HAS_SIGNAL = 0x01, /⋆ found something above the noise level ⋆/ | 212 | FE_HAS_SIGNAL = 0x01, |
| 212 | FE_HAS_CARRIER = 0x02, /⋆ found a DVB signal ⋆/ | 213 | FE_HAS_CARRIER = 0x02, |
| 213 | FE_HAS_VITERBI = 0x04, /⋆ FEC is stable ⋆/ | 214 | FE_HAS_VITERBI = 0x04, |
| 214 | FE_HAS_SYNC = 0x08, /⋆ found sync bytes ⋆/ | 215 | FE_HAS_SYNC = 0x08, |
| 215 | FE_HAS_LOCK = 0x10, /⋆ everything's working... ⋆/ | 216 | FE_HAS_LOCK = 0x10, |
| 216 | FE_TIMEDOUT = 0x20, /⋆ no lock within the last ~2 seconds ⋆/ | 217 | FE_TIMEDOUT = 0x20, |
| 217 | FE_REINIT = 0x40 /⋆ frontend was reinitialized, ⋆/ | 218 | FE_REINIT = 0x40, |
| 218 | } fe_status_t; /⋆ application is recommned to reset ⋆/ | 219 | } fe_status_t; |
| 219 | </programlisting> | 220 | </programlisting> |
| 220 | <para>to indicate the current state and/or state changes of the frontend hardware. | 221 | <para>to indicate the current state and/or state changes of the frontend hardware: |
| 221 | </para> | 222 | </para> |
| 223 | |||
| 224 | <informaltable><tgroup cols="2"><tbody> | ||
| 225 | <row> | ||
| 226 | <entry align="char">FE_HAS_SIGNAL</entry> | ||
| 227 | <entry align="char">The frontend has found something above the noise level</entry> | ||
| 228 | </row><row> | ||
| 229 | <entry align="char">FE_HAS_CARRIER</entry> | ||
| 230 | <entry align="char">The frontend has found a DVB signal</entry> | ||
| 231 | </row><row> | ||
| 232 | <entry align="char">FE_HAS_VITERBI</entry> | ||
| 233 | <entry align="char">The frontend FEC code is stable</entry> | ||
| 234 | </row><row> | ||
| 235 | <entry align="char">FE_HAS_SYNC</entry> | ||
| 236 | <entry align="char">Syncronization bytes was found</entry> | ||
| 237 | </row><row> | ||
| 238 | <entry align="char">FE_HAS_LOCK</entry> | ||
| 239 | <entry align="char">The DVB were locked and everything is working</entry> | ||
| 240 | </row><row> | ||
| 241 | <entry align="char">FE_TIMEDOUT</entry> | ||
| 242 | <entry align="char">no lock within the last about 2 seconds</entry> | ||
| 243 | </row><row> | ||
| 244 | <entry align="char">FE_REINIT</entry> | ||
| 245 | <entry align="char">The frontend was reinitialized, application is | ||
| 246 | recommended to reset DiSEqC, tone and parameters</entry> | ||
| 247 | </row> | ||
| 248 | </tbody></tgroup></informaltable> | ||
| 222 | 249 | ||
| 223 | </section> | 250 | </section> |
| 224 | 251 | ||
| @@ -238,7 +265,7 @@ and to add newer delivery systems.</para> · 13 unmodified lines | |||
| 238 | <constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> instead, in | 265 | <constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> instead, in |
| 239 | order to be able to support the newer System Delivery like DVB-S2, DVB-T2, | 266 | order to be able to support the newer System Delivery like DVB-S2, DVB-T2, |
| 240 | DVB-C2, ISDB, etc.</para> | 267 | DVB-C2, ISDB, etc.</para> |
| 241 | <para>All kinds of parameters are combined as an union in the FrontendParameters structure:</para> | 268 | <para>All kinds of parameters are combined as an union in the FrontendParameters structure: |
| 242 | <programlisting> | 269 | <programlisting> |
| 243 | struct dvb_frontend_parameters { | 270 | struct dvb_frontend_parameters { |
| 244 | uint32_t frequency; /⋆ (absolute) frequency in Hz for QAM/OFDM ⋆/ | 271 | uint32_t frequency; /⋆ (absolute) frequency in Hz for QAM/OFDM ⋆/ |
| @@ -251,12 +278,13 @@ struct dvb_frontend_parameters { · 6 unmodified lines | |||
| 251 | struct dvb_vsb_parameters vsb; | 278 | struct dvb_vsb_parameters vsb; |
| 252 | } u; | 279 | } u; |
| 253 | }; | 280 | }; |
| 254 | </programlisting> | 281 | </programlisting></para> |
| 255 | <para>In the case of QPSK frontends the <constant>frequency</constant> field specifies the intermediate | 282 | <para>In the case of QPSK frontends the <constant>frequency</constant> field specifies the intermediate |
| 256 | frequency, i.e. the offset which is effectively added to the local oscillator frequency (LOF) of | 283 | frequency, i.e. the offset which is effectively added to the local oscillator frequency (LOF) of |
| 257 | the LNB. The intermediate frequency has to be specified in units of kHz. For QAM and | 284 | the LNB. The intermediate frequency has to be specified in units of kHz. For QAM and |
| 258 | OFDM frontends the <constant>frequency</constant> specifies the absolute frequency and is given in Hz. | 285 | OFDM frontends the <constant>frequency</constant> specifies the absolute frequency and is given in Hz. |
| 259 | </para> | 286 | </para> |
| 287 | |||
| 260 | <section id="dvb-qpsk-parameters"> | 288 | <section id="dvb-qpsk-parameters"> |
| 261 | <title>QPSK parameters</title> | 289 | <title>QPSK parameters</title> |
| 262 | <para>For satellite QPSK frontends you have to use the <constant>dvb_qpsk_parameters</constant> structure:</para> | 290 | <para>For satellite QPSK frontends you have to use the <constant>dvb_qpsk_parameters</constant> structure:</para> |
| @@ -321,8 +349,8 @@ itself. · 58 unmodified lines | |||
| 321 | <section id="fe-code-rate-t"> | 349 | <section id="fe-code-rate-t"> |
| 322 | <title>frontend code rate</title> | 350 | <title>frontend code rate</title> |
| 323 | <para>The possible values for the <constant>fec_inner</constant> field used on | 351 | <para>The possible values for the <constant>fec_inner</constant> field used on |
| 324 | <link refend="dvb-qpsk-parameters"><constant>struct dvb_qpsk_parameters</constant></link> and | 352 | <link linkend="dvb-qpsk-parameters"><constant>struct dvb_qpsk_parameters</constant></link> and |
| 325 | <link refend="dvb-qam-parameters"><constant>struct dvb_qam_parameters</constant></link> are: | 353 | <link linkend="dvb-qam-parameters"><constant>struct dvb_qam_parameters</constant></link> are: |
| 326 | </para> | 354 | </para> |
| 327 | <programlisting> | 355 | <programlisting> |
| 328 | typedef enum fe_code_rate { | 356 | typedef enum fe_code_rate { |
| @@ -347,9 +375,9 @@ detection. · 18 unmodified lines | |||
| 347 | <section id="fe-modulation-t"> | 375 | <section id="fe-modulation-t"> |
| 348 | <title>frontend modulation type for QAM, OFDM and VSB</title> | 376 | <title>frontend modulation type for QAM, OFDM and VSB</title> |
| 349 | <para>For cable and terrestrial frontends, e. g. for | 377 | <para>For cable and terrestrial frontends, e. g. for |
| 350 | <link refend="dvb-qam-parameters"><constant>struct dvb_qpsk_parameters</constant></link>, | 378 | <link linkend="dvb-qam-parameters"><constant>struct dvb_qpsk_parameters</constant></link>, |
| 351 | <link refend="dvb-ofdm-parameters"><constant>struct dvb_qam_parameters</constant></link> and | 379 | <link linkend="dvb-ofdm-parameters"><constant>struct dvb_qam_parameters</constant></link> and |
| 352 | <link refend="dvb-vsb-parameters"><constant>struct dvb_qam_parameters</constant></link>, | 380 | <link linkend="dvb-vsb-parameters"><constant>struct dvb_qam_parameters</constant></link>, |
| 353 | it needs to specify the quadrature modulation mode which can be one of the following: | 381 | it needs to specify the quadrature modulation mode which can be one of the following: |
| 354 | </para> | 382 | </para> |
| 355 | <programlisting> | 383 | <programlisting> |
| @@ -370,8 +398,8 @@ it needs to specify the quadrature modulation mode which can be one of the follo · 14 unmodified lines | |||
| 370 | } fe_modulation_t; | 398 | } fe_modulation_t; |
| 371 | </programlisting> | 399 | </programlisting> |
| 372 | </section> | 400 | </section> |
| 373 | <para>Finally, there are several more parameters for OFDM: | 401 | <section> |
| 374 | </para> | 402 | <title>More OFDM parameters</title> |
| 375 | <section id="fe-transmit-mode-t"> | 403 | <section id="fe-transmit-mode-t"> |
| 376 | <title>Number of carriers per channel</title> | 404 | <title>Number of carriers per channel</title> |
| 377 | <programlisting> | 405 | <programlisting> |
| @@ -427,6 +455,7 @@ typedef enum fe_hierarchy { · 49 unmodified lines | |||
| 427 | } fe_hierarchy_t; | 455 | } fe_hierarchy_t; |
| 428 | </programlisting> | 456 | </programlisting> |
| 429 | </section> | 457 | </section> |
| 458 | </section> | ||
| 430 | 459 | ||
| 431 | </section> | 460 | </section> |
| 432 | 461 | ||
| @@ -205,7 +205,7 @@ a partial path like:</para> · 204 unmodified lines | |||
| 205 | additional include file <emphasis | 205 | additional include file <emphasis |
| 206 | role="tt">linux/dvb/version.h</emphasis> exists, which defines the | 206 | role="tt">linux/dvb/version.h</emphasis> exists, which defines the |
| 207 | constant <emphasis role="tt">DVB_API_VERSION</emphasis>. This document | 207 | constant <emphasis role="tt">DVB_API_VERSION</emphasis>. This document |
| 208 | describes <emphasis role="tt">DVB_API_VERSION 5.4</emphasis>. | 208 | describes <emphasis role="tt">DVB_API_VERSION 5.8</emphasis>. |
| 209 | </para> | 209 | </para> |
| 210 | 210 | ||
| 211 | </section> | 211 | </section> |
| @@ -2,7 +2,7 @@ · 1 unmodified line | |||
| 2 | <para>The kernel demux API defines a driver-internal interface for registering low-level, | 2 | <para>The kernel demux API defines a driver-internal interface for registering low-level, |
| 3 | hardware specific driver to a hardware independent demux layer. It is only of interest for | 3 | hardware specific driver to a hardware independent demux layer. It is only of interest for |
| 4 | DVB device driver writers. The header file for this API is named <emphasis role="tt">demux.h</emphasis> and located in | 4 | DVB device driver writers. The header file for this API is named <emphasis role="tt">demux.h</emphasis> and located in |
| 5 | <emphasis role="tt">drivers/media/dvb/dvb-core</emphasis>. | 5 | <emphasis role="tt">drivers/media/dvb-core</emphasis>. |
| 6 | </para> | 6 | </para> |
| 7 | <para>Maintainer note: This section must be reviewed. It is probably out of date. | 7 | <para>Maintainer note: This section must be reviewed. It is probably out of date. |
| 8 | </para> | 8 | </para> |
| @@ -26,4 +26,131 @@ struct dvb_net_if { · 25 unmodified lines | |||
| 26 | <title>DVB net Function Calls</title> | 26 | <title>DVB net Function Calls</title> |
| 27 | <para>To be written… | 27 | <para>To be written… |
| 28 | </para> | 28 | </para> |
| 29 | |||
| 30 | <section id="NET_ADD_IF" | ||
| 31 | role="subsection"><title>NET_ADD_IF</title> | ||
| 32 | <para>DESCRIPTION | ||
| 33 | </para> | ||
| 34 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 35 | align="char"> | ||
| 36 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 37 | </entry> | ||
| 38 | </row></tbody></tgroup></informaltable> | ||
| 39 | <para>SYNOPSIS | ||
| 40 | </para> | ||
| 41 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 42 | align="char"> | ||
| 43 | <para>int ioctl(fd, int request = NET_ADD_IF, | ||
| 44 | struct dvb_net_if *if);</para> | ||
| 45 | </entry> | ||
| 46 | </row></tbody></tgroup></informaltable> | ||
| 47 | <para>PARAMETERS | ||
| 48 | </para> | ||
| 49 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 50 | align="char"> | ||
| 51 | <para>int fd</para> | ||
| 52 | </entry><entry | ||
| 53 | align="char"> | ||
| 54 | <para>File descriptor returned by a previous call to open().</para> | ||
| 55 | </entry> | ||
| 56 | </row><row><entry | ||
| 57 | align="char"> | ||
| 58 | <para>int request</para> | ||
| 59 | </entry><entry | ||
| 60 | align="char"> | ||
| 61 | <para>Equals NET_ADD_IF for this command.</para> | ||
| 62 | </entry> | ||
| 63 | </row><row><entry | ||
| 64 | align="char"> | ||
| 65 | <para>struct dvb_net_if *if | ||
| 66 | </para> | ||
| 67 | </entry><entry | ||
| 68 | align="char"> | ||
| 69 | <para>Undocumented.</para> | ||
| 70 | </entry> | ||
| 71 | </row></tbody></tgroup></informaltable> | ||
| 72 | &return-value-dvb; | ||
| 73 | </section> | ||
| 74 | |||
| 75 | <section id="NET_REMOVE_IF" | ||
| 76 | role="subsection"><title>NET_REMOVE_IF</title> | ||
| 77 | <para>DESCRIPTION | ||
| 78 | </para> | ||
| 79 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 80 | align="char"> | ||
| 81 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 82 | </entry> | ||
| 83 | </row></tbody></tgroup></informaltable> | ||
| 84 | <para>SYNOPSIS | ||
| 85 | </para> | ||
| 86 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 87 | align="char"> | ||
| 88 | <para>int ioctl(fd, int request = NET_REMOVE_IF); | ||
| 89 | </para> | ||
| 90 | </entry> | ||
| 91 | </row></tbody></tgroup></informaltable> | ||
| 92 | <para>PARAMETERS | ||
| 93 | </para> | ||
| 94 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 95 | align="char"> | ||
| 96 | <para>int fd</para> | ||
| 97 | </entry><entry | ||
| 98 | align="char"> | ||
| 99 | <para>File descriptor returned by a previous call to open().</para> | ||
| 100 | </entry> | ||
| 101 | </row><row><entry | ||
| 102 | align="char"> | ||
| 103 | <para>int request</para> | ||
| 104 | </entry><entry | ||
| 105 | align="char"> | ||
| 106 | <para>Equals NET_REMOVE_IF for this command.</para> | ||
| 107 | </entry> | ||
| 108 | </row></tbody></tgroup></informaltable> | ||
| 109 | &return-value-dvb; | ||
| 110 | </section> | ||
| 111 | |||
| 112 | <section id="NET_GET_IF" | ||
| 113 | role="subsection"><title>NET_GET_IF</title> | ||
| 114 | <para>DESCRIPTION | ||
| 115 | </para> | ||
| 116 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 117 | align="char"> | ||
| 118 | <para>This ioctl is undocumented. Documentation is welcome.</para> | ||
| 119 | </entry> | ||
| 120 | </row></tbody></tgroup></informaltable> | ||
| 121 | <para>SYNOPSIS | ||
| 122 | </para> | ||
| 123 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 124 | align="char"> | ||
| 125 | <para>int ioctl(fd, int request = NET_GET_IF, | ||
| 126 | struct dvb_net_if *if);</para> | ||
| 127 | </entry> | ||
| 128 | </row></tbody></tgroup></informaltable> | ||
| 129 | <para>PARAMETERS | ||
| 130 | </para> | ||
| 131 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 132 | align="char"> | ||
| 133 | <para>int fd</para> | ||
| 134 | </entry><entry | ||
| 135 | align="char"> | ||
| 136 | <para>File descriptor returned by a previous call to open().</para> | ||
| 137 | </entry> | ||
| 138 | </row><row><entry | ||
| 139 | align="char"> | ||
| 140 | <para>int request</para> | ||
| 141 | </entry><entry | ||
| 142 | align="char"> | ||
| 143 | <para>Equals NET_GET_IF for this command.</para> | ||
| 144 | </entry> | ||
| 145 | </row><row><entry | ||
| 146 | align="char"> | ||
| 147 | <para>struct dvb_net_if *if | ||
| 148 | </para> | ||
| 149 | </entry><entry | ||
| 150 | align="char"> | ||
| 151 | <para>Undocumented.</para> | ||
| 152 | </entry> | ||
| 153 | </row></tbody></tgroup></informaltable> | ||
| 154 | &return-value-dvb; | ||
| 155 | </section> | ||
| 29 | </section> | 156 | </section> |
| @@ -15,6 +15,10 @@ the audio and video device as well as the video4linux device. · 14 unmodified lines | |||
| 15 | <para>The ioctls that deal with SPUs (sub picture units) and navigation packets are only | 15 | <para>The ioctls that deal with SPUs (sub picture units) and navigation packets are only |
| 16 | supported on some MPEG decoders made for DVD playback. | 16 | supported on some MPEG decoders made for DVD playback. |
| 17 | </para> | 17 | </para> |
| 18 | <para> | ||
| 19 | These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use | ||
| 20 | of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls | ||
| 21 | have been created to replace that functionality.</para> | ||
| 18 | <section id="video_types"> | 22 | <section id="video_types"> |
| 19 | <title>Video Data Types</title> | 23 | <title>Video Data Types</title> |
| 20 | 24 | ||
| @@ -55,7 +59,7 @@ typedef enum { · 34 unmodified lines | |||
| 55 | </section> | 59 | </section> |
| 56 | 60 | ||
| 57 | <section id="video-stream-source-t"> | 61 | <section id="video-stream-source-t"> |
| 58 | <title>video stream source</title> | 62 | <title>video_stream_source_t</title> |
| 59 | <para>The video stream source is set through the VIDEO_SELECT_SOURCE call and can take | 63 | <para>The video stream source is set through the VIDEO_SELECT_SOURCE call and can take |
| 60 | the following values, depending on whether we are replaying from an internal (demuxer) or | 64 | the following values, depending on whether we are replaying from an internal (demuxer) or |
| 61 | external (user write) source. | 65 | external (user write) source. |
| @@ -76,7 +80,7 @@ call. · 14 unmodified lines | |||
| 76 | </section> | 80 | </section> |
| 77 | 81 | ||
| 78 | <section id="video-play-state-t"> | 82 | <section id="video-play-state-t"> |
| 79 | <title>video play state</title> | 83 | <title>video_play_state_t</title> |
| 80 | <para>The following values can be returned by the VIDEO_GET_STATUS call representing the | 84 | <para>The following values can be returned by the VIDEO_GET_STATUS call representing the |
| 81 | state of video playback. | 85 | state of video playback. |
| 82 | </para> | 86 | </para> |
| @@ -90,9 +94,9 @@ typedef enum { · 7 unmodified lines | |||
| 90 | </section> | 94 | </section> |
| 91 | 95 | ||
| 92 | <section id="video-command"> | 96 | <section id="video-command"> |
| 97 | <title>struct video_command</title> | ||
| 93 | <para>The structure must be zeroed before use by the application | 98 | <para>The structure must be zeroed before use by the application |
| 94 | This ensures it can be extended safely in the future.</para> | 99 | This ensures it can be extended safely in the future.</para> |
| 95 | <title>struct video-command</title> | ||
| 96 | <programlisting> | 100 | <programlisting> |
| 97 | struct video_command { | 101 | struct video_command { |
| 98 | __u32 cmd; | 102 | __u32 cmd; |
| @@ -121,7 +125,7 @@ struct video_command { · 22 unmodified lines | |||
| 121 | </section> | 125 | </section> |
| 122 | 126 | ||
| 123 | <section id="video-size-t"> | 127 | <section id="video-size-t"> |
| 124 | <title>struct video_size-t</title> | 128 | <title>video_size_t</title> |
| 125 | <programlisting> | 129 | <programlisting> |
| 126 | typedef struct { | 130 | typedef struct { |
| 127 | int w; | 131 | int w; |
| @@ -217,7 +221,7 @@ bits set according to the hardwares capabilities. · 89 unmodified lines | |||
| 217 | </section> | 221 | </section> |
| 218 | 222 | ||
| 219 | <section id="video-system"> | 223 | <section id="video-system"> |
| 220 | <title>video system</title> | 224 | <title>video_system_t</title> |
| 221 | <para>A call to VIDEO_SET_SYSTEM sets the desired video system for TV output. The | 225 | <para>A call to VIDEO_SET_SYSTEM sets the desired video system for TV output. The |
| 222 | following system types can be set: | 226 | following system types can be set: |
| 223 | </para> | 227 | </para> |
| @@ -263,7 +267,7 @@ call expects the following format for that information: · 39 unmodified lines | |||
| 263 | 267 | ||
| 264 | </section> | 268 | </section> |
| 265 | <section id="video-spu"> | 269 | <section id="video-spu"> |
| 266 | <title>video SPU</title> | 270 | <title>struct video_spu</title> |
| 267 | <para>Calling VIDEO_SET_SPU deactivates or activates SPU decoding, according to the | 271 | <para>Calling VIDEO_SET_SPU deactivates or activates SPU decoding, according to the |
| 268 | following format: | 272 | following format: |
| 269 | </para> | 273 | </para> |
| @@ -277,12 +281,12 @@ following format: · 7 unmodified lines | |||
| 277 | 281 | ||
| 278 | </section> | 282 | </section> |
| 279 | <section id="video-spu-palette"> | 283 | <section id="video-spu-palette"> |
| 280 | <title>video SPU palette</title> | 284 | <title>struct video_spu_palette</title> |
| 281 | <para>The following structure is used to set the SPU palette by calling VIDEO_SPU_PALETTE: | 285 | <para>The following structure is used to set the SPU palette by calling VIDEO_SPU_PALETTE: |
| 282 | </para> | 286 | </para> |
| 283 | <programlisting> | 287 | <programlisting> |
| 284 | typedef | 288 | typedef |
| 285 | struct video_spu_palette{ | 289 | struct video_spu_palette { |
| 286 | int length; | 290 | int length; |
| 287 | uint8_t ⋆palette; | 291 | uint8_t ⋆palette; |
| 288 | } video_spu_palette_t; | 292 | } video_spu_palette_t; |
| @@ -290,13 +294,13 @@ following format: · 1 unmodified line | |||
| 290 | 294 | ||
| 291 | </section> | 295 | </section> |
| 292 | <section id="video-navi-pack"> | 296 | <section id="video-navi-pack"> |
| 293 | <title>video NAVI pack</title> | 297 | <title>struct video_navi_pack</title> |
| 294 | <para>In order to get the navigational data the following structure has to be passed to the ioctl | 298 | <para>In order to get the navigational data the following structure has to be passed to the ioctl |
| 295 | VIDEO_GET_NAVI: | 299 | VIDEO_GET_NAVI: |
| 296 | </para> | 300 | </para> |
| 297 | <programlisting> | 301 | <programlisting> |
| 298 | typedef | 302 | typedef |
| 299 | struct video_navi_pack{ | 303 | struct video_navi_pack { |
| 300 | int length; /⋆ 0 ... 1024 ⋆/ | 304 | int length; /⋆ 0 ... 1024 ⋆/ |
| 301 | uint8_t data[1024]; | 305 | uint8_t data[1024]; |
| 302 | } video_navi_pack_t; | 306 | } video_navi_pack_t; |
| @@ -305,7 +309,7 @@ VIDEO_GET_NAVI: · 2 unmodified lines | |||
| 305 | 309 | ||
| 306 | 310 | ||
| 307 | <section id="video-attributes-t"> | 311 | <section id="video-attributes-t"> |
| 308 | <title>video attributes</title> | 312 | <title>video_attributes_t</title> |
| 309 | <para>The following attributes can be set by a call to VIDEO_SET_ATTRIBUTES: | 313 | <para>The following attributes can be set by a call to VIDEO_SET_ATTRIBUTES: |
| 310 | </para> | 314 | </para> |
| 311 | <programlisting> | 315 | <programlisting> |
| @@ -541,6 +545,8 @@ VIDEO_GET_NAVI: · 229 unmodified lines | |||
| 541 | role="subsection"><title>VIDEO_STOP</title> | 545 | role="subsection"><title>VIDEO_STOP</title> |
| 542 | <para>DESCRIPTION | 546 | <para>DESCRIPTION |
| 543 | </para> | 547 | </para> |
| 548 | <para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 | ||
| 549 | &VIDIOC-DECODER-CMD; instead.</para> | ||
| 544 | <informaltable><tgroup cols="1"><tbody><row><entry | 550 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 545 | align="char"> | 551 | align="char"> |
| 546 | <para>This ioctl call asks the Video Device to stop playing the current stream. | 552 | <para>This ioctl call asks the Video Device to stop playing the current stream. |
| @@ -598,6 +604,8 @@ role="subsection"><title>VIDEO_STOP</title> · 51 unmodified lines | |||
| 598 | role="subsection"><title>VIDEO_PLAY</title> | 604 | role="subsection"><title>VIDEO_PLAY</title> |
| 599 | <para>DESCRIPTION | 605 | <para>DESCRIPTION |
| 600 | </para> | 606 | </para> |
| 607 | <para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 | ||
| 608 | &VIDIOC-DECODER-CMD; instead.</para> | ||
| 601 | <informaltable><tgroup cols="1"><tbody><row><entry | 609 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 602 | align="char"> | 610 | align="char"> |
| 603 | <para>This ioctl call asks the Video Device to start playing a video stream from the | 611 | <para>This ioctl call asks the Video Device to start playing a video stream from the |
| @@ -634,6 +642,8 @@ role="subsection"><title>VIDEO_PLAY</title> · 30 unmodified lines | |||
| 634 | role="subsection"><title>VIDEO_FREEZE</title> | 642 | role="subsection"><title>VIDEO_FREEZE</title> |
| 635 | <para>DESCRIPTION | 643 | <para>DESCRIPTION |
| 636 | </para> | 644 | </para> |
| 645 | <para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 | ||
| 646 | &VIDIOC-DECODER-CMD; instead.</para> | ||
| 637 | <informaltable><tgroup cols="1"><tbody><row><entry | 647 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 638 | align="char"> | 648 | align="char"> |
| 639 | <para>This ioctl call suspends the live video stream being played. Decoding | 649 | <para>This ioctl call suspends the live video stream being played. Decoding |
| @@ -674,6 +684,8 @@ role="subsection"><title>VIDEO_FREEZE</title> · 34 unmodified lines | |||
| 674 | role="subsection"><title>VIDEO_CONTINUE</title> | 684 | role="subsection"><title>VIDEO_CONTINUE</title> |
| 675 | <para>DESCRIPTION | 685 | <para>DESCRIPTION |
| 676 | </para> | 686 | </para> |
| 687 | <para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 | ||
| 688 | &VIDIOC-DECODER-CMD; instead.</para> | ||
| 677 | <informaltable><tgroup cols="1"><tbody><row><entry | 689 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 678 | align="char"> | 690 | align="char"> |
| 679 | <para>This ioctl call restarts decoding and playing processes of the video stream | 691 | <para>This ioctl call restarts decoding and playing processes of the video stream |
| @@ -710,6 +722,9 @@ role="subsection"><title>VIDEO_CONTINUE</title> · 30 unmodified lines | |||
| 710 | role="subsection"><title>VIDEO_SELECT_SOURCE</title> | 722 | role="subsection"><title>VIDEO_SELECT_SOURCE</title> |
| 711 | <para>DESCRIPTION | 723 | <para>DESCRIPTION |
| 712 | </para> | 724 | </para> |
| 725 | <para>This ioctl is for DVB devices only. This ioctl was also supported by the | ||
| 726 | V4L2 ivtv driver, but that has been replaced by the ivtv-specific | ||
| 727 | <constant>IVTV_IOC_PASSTHROUGH_MODE</constant> ioctl.</para> | ||
| 713 | <informaltable><tgroup cols="1"><tbody><row><entry | 728 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 714 | align="char"> | 729 | align="char"> |
| 715 | <para>This ioctl call informs the video device which source shall be used for the input | 730 | <para>This ioctl call informs the video device which source shall be used for the input |
| @@ -845,10 +860,160 @@ role="subsection"><title>VIDEO_GET_STATUS</title> · 129 unmodified lines | |||
| 845 | </row></tbody></tgroup></informaltable> | 860 | </row></tbody></tgroup></informaltable> |
| 846 | &return-value-dvb; | 861 | &return-value-dvb; |
| 847 | 862 | ||
| 863 | </section><section id="VIDEO_GET_FRAME_COUNT" | ||
| 864 | role="subsection"><title>VIDEO_GET_FRAME_COUNT</title> | ||
| 865 | <para>DESCRIPTION | ||
| 866 | </para> | ||
| 867 | <para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this | ||
| 868 | ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_FRAME</constant> control.</para> | ||
| 869 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 870 | align="char"> | ||
| 871 | <para>This ioctl call asks the Video Device to return the number of displayed frames | ||
| 872 | since the decoder was started.</para> | ||
| 873 | </entry> | ||
| 874 | </row></tbody></tgroup></informaltable> | ||
| 875 | <para>SYNOPSIS | ||
| 876 | </para> | ||
| 877 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 878 | align="char"> | ||
| 879 | <para>int ioctl(int fd, int request = | ||
| 880 | VIDEO_GET_FRAME_COUNT, __u64 *pts);</para> | ||
| 881 | </entry> | ||
| 882 | </row></tbody></tgroup></informaltable> | ||
| 883 | <para>PARAMETERS | ||
| 884 | </para> | ||
| 885 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 886 | align="char"> | ||
| 887 | <para>int fd</para> | ||
| 888 | </entry><entry | ||
| 889 | align="char"> | ||
| 890 | <para>File descriptor returned by a previous call to open().</para> | ||
| 891 | </entry> | ||
| 892 | </row><row><entry | ||
| 893 | align="char"> | ||
| 894 | <para>int request</para> | ||
| 895 | </entry><entry | ||
| 896 | align="char"> | ||
| 897 | <para>Equals VIDEO_GET_FRAME_COUNT for this | ||
| 898 | command.</para> | ||
| 899 | </entry> | ||
| 900 | </row><row><entry | ||
| 901 | align="char"> | ||
| 902 | <para>__u64 *pts | ||
| 903 | </para> | ||
| 904 | </entry><entry | ||
| 905 | align="char"> | ||
| 906 | <para>Returns the number of frames displayed since the decoder was started. | ||
| 907 | </para> | ||
| 908 | </entry> | ||
| 909 | </row></tbody></tgroup></informaltable> | ||
| 910 | &return-value-dvb; | ||
| 911 | |||
| 912 | </section><section id="VIDEO_GET_PTS" | ||
| 913 | role="subsection"><title>VIDEO_GET_PTS</title> | ||
| 914 | <para>DESCRIPTION | ||
| 915 | </para> | ||
| 916 | <para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this | ||
| 917 | ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_PTS</constant> control.</para> | ||
| 918 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 919 | align="char"> | ||
| 920 | <para>This ioctl call asks the Video Device to return the current PTS timestamp.</para> | ||
| 921 | </entry> | ||
| 922 | </row></tbody></tgroup></informaltable> | ||
| 923 | <para>SYNOPSIS | ||
| 924 | </para> | ||
| 925 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 926 | align="char"> | ||
| 927 | <para>int ioctl(int fd, int request = | ||
| 928 | VIDEO_GET_PTS, __u64 *pts);</para> | ||
| 929 | </entry> | ||
| 930 | </row></tbody></tgroup></informaltable> | ||
| 931 | <para>PARAMETERS | ||
| 932 | </para> | ||
| 933 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 934 | align="char"> | ||
| 935 | <para>int fd</para> | ||
| 936 | </entry><entry | ||
| 937 | align="char"> | ||
| 938 | <para>File descriptor returned by a previous call to open().</para> | ||
| 939 | </entry> | ||
| 940 | </row><row><entry | ||
| 941 | align="char"> | ||
| 942 | <para>int request</para> | ||
| 943 | </entry><entry | ||
| 944 | align="char"> | ||
| 945 | <para>Equals VIDEO_GET_PTS for this | ||
| 946 | command.</para> | ||
| 947 | </entry> | ||
| 948 | </row><row><entry | ||
| 949 | align="char"> | ||
| 950 | <para>__u64 *pts | ||
| 951 | </para> | ||
| 952 | </entry><entry | ||
| 953 | align="char"> | ||
| 954 | <para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1. | ||
| 955 | </para> | ||
| 956 | <para> | ||
| 957 | The PTS should belong to the currently played | ||
| 958 | frame if possible, but may also be a value close to it | ||
| 959 | like the PTS of the last decoded frame or the last PTS | ||
| 960 | extracted by the PES parser.</para> | ||
| 961 | </entry> | ||
| 962 | </row></tbody></tgroup></informaltable> | ||
| 963 | &return-value-dvb; | ||
| 964 | |||
| 965 | </section><section id="VIDEO_GET_FRAME_RATE" | ||
| 966 | role="subsection"><title>VIDEO_GET_FRAME_RATE</title> | ||
| 967 | <para>DESCRIPTION | ||
| 968 | </para> | ||
| 969 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 970 | align="char"> | ||
| 971 | <para>This ioctl call asks the Video Device to return the current framerate.</para> | ||
| 972 | </entry> | ||
| 973 | </row></tbody></tgroup></informaltable> | ||
| 974 | <para>SYNOPSIS | ||
| 975 | </para> | ||
| 976 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 977 | align="char"> | ||
| 978 | <para>int ioctl(int fd, int request = | ||
| 979 | VIDEO_GET_FRAME_RATE, unsigned int *rate);</para> | ||
| 980 | </entry> | ||
| 981 | </row></tbody></tgroup></informaltable> | ||
| 982 | <para>PARAMETERS | ||
| 983 | </para> | ||
| 984 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 985 | align="char"> | ||
| 986 | <para>int fd</para> | ||
| 987 | </entry><entry | ||
| 988 | align="char"> | ||
| 989 | <para>File descriptor returned by a previous call to open().</para> | ||
| 990 | </entry> | ||
| 991 | </row><row><entry | ||
| 992 | align="char"> | ||
| 993 | <para>int request</para> | ||
| 994 | </entry><entry | ||
| 995 | align="char"> | ||
| 996 | <para>Equals VIDEO_GET_FRAME_RATE for this | ||
| 997 | command.</para> | ||
| 998 | </entry> | ||
| 999 | </row><row><entry | ||
| 1000 | align="char"> | ||
| 1001 | <para>unsigned int *rate | ||
| 1002 | </para> | ||
| 1003 | </entry><entry | ||
| 1004 | align="char"> | ||
| 1005 | <para>Returns the framerate in number of frames per 1000 seconds. | ||
| 1006 | </para> | ||
| 1007 | </entry> | ||
| 1008 | </row></tbody></tgroup></informaltable> | ||
| 1009 | &return-value-dvb; | ||
| 1010 | |||
| 848 | </section><section id="VIDEO_GET_EVENT" | 1011 | </section><section id="VIDEO_GET_EVENT" |
| 849 | role="subsection"><title>VIDEO_GET_EVENT</title> | 1012 | role="subsection"><title>VIDEO_GET_EVENT</title> |
| 850 | <para>DESCRIPTION | 1013 | <para>DESCRIPTION |
| 851 | </para> | 1014 | </para> |
| 1015 | <para>This ioctl is for DVB devices only. To get events from a V4L2 decoder use the V4L2 | ||
| 1016 | &VIDIOC-DQEVENT; ioctl instead.</para> | ||
| 852 | <informaltable><tgroup cols="1"><tbody><row><entry | 1017 | <informaltable><tgroup cols="1"><tbody><row><entry |
| 853 | align="char"> | 1018 | align="char"> |
| 854 | <para>This ioctl call returns an event of type video_event if available. If an event is | 1019 | <para>This ioctl call returns an event of type video_event if available. If an event is |
| @@ -914,6 +1079,152 @@ role="subsection"><title>VIDEO_GET_EVENT</title> · 59 unmodified lines | |||
| 914 | </entry> | 1079 | </entry> |
| 915 | </row></tbody></tgroup></informaltable> | 1080 | </row></tbody></tgroup></informaltable> |
| 916 | 1081 | ||
| 1082 | </section><section id="VIDEO_COMMAND" | ||
| 1083 | role="subsection"><title>VIDEO_COMMAND</title> | ||
| 1084 | <para>DESCRIPTION | ||
| 1085 | </para> | ||
| 1086 | <para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this | ||
| 1087 | ioctl has been replaced by the &VIDIOC-DECODER-CMD; ioctl.</para> | ||
| 1088 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1089 | align="char"> | ||
| 1090 | <para>This ioctl commands the decoder. The <constant>video_command</constant> struct | ||
| 1091 | is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the | ||
| 1092 | &VIDIOC-DECODER-CMD; documentation for more information.</para> | ||
| 1093 | </entry> | ||
| 1094 | </row></tbody></tgroup></informaltable> | ||
| 1095 | <para>SYNOPSIS | ||
| 1096 | </para> | ||
| 1097 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1098 | align="char"> | ||
| 1099 | <para>int ioctl(int fd, int request = | ||
| 1100 | VIDEO_COMMAND, struct video_command *cmd);</para> | ||
| 1101 | </entry> | ||
| 1102 | </row></tbody></tgroup></informaltable> | ||
| 1103 | <para>PARAMETERS | ||
| 1104 | </para> | ||
| 1105 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 1106 | align="char"> | ||
| 1107 | <para>int fd</para> | ||
| 1108 | </entry><entry | ||
| 1109 | align="char"> | ||
| 1110 | <para>File descriptor returned by a previous call to open().</para> | ||
| 1111 | </entry> | ||
| 1112 | </row><row><entry | ||
| 1113 | align="char"> | ||
| 1114 | <para>int request</para> | ||
| 1115 | </entry><entry | ||
| 1116 | align="char"> | ||
| 1117 | <para>Equals VIDEO_COMMAND for this | ||
| 1118 | command.</para> | ||
| 1119 | </entry> | ||
| 1120 | </row><row><entry | ||
| 1121 | align="char"> | ||
| 1122 | <para>struct video_command *cmd | ||
| 1123 | </para> | ||
| 1124 | </entry><entry | ||
| 1125 | align="char"> | ||
| 1126 | <para>Commands the decoder. | ||
| 1127 | </para> | ||
| 1128 | </entry> | ||
| 1129 | </row></tbody></tgroup></informaltable> | ||
| 1130 | &return-value-dvb; | ||
| 1131 | |||
| 1132 | </section><section id="VIDEO_TRY_COMMAND" | ||
| 1133 | role="subsection"><title>VIDEO_TRY_COMMAND</title> | ||
| 1134 | <para>DESCRIPTION | ||
| 1135 | </para> | ||
| 1136 | <para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this | ||
| 1137 | ioctl has been replaced by the &VIDIOC-TRY-DECODER-CMD; ioctl.</para> | ||
| 1138 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1139 | align="char"> | ||
| 1140 | <para>This ioctl tries a decoder command. The <constant>video_command</constant> struct | ||
| 1141 | is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the | ||
| 1142 | &VIDIOC-TRY-DECODER-CMD; documentation for more information.</para> | ||
| 1143 | </entry> | ||
| 1144 | </row></tbody></tgroup></informaltable> | ||
| 1145 | <para>SYNOPSIS | ||
| 1146 | </para> | ||
| 1147 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1148 | align="char"> | ||
| 1149 | <para>int ioctl(int fd, int request = | ||
| 1150 | VIDEO_TRY_COMMAND, struct video_command *cmd);</para> | ||
| 1151 | </entry> | ||
| 1152 | </row></tbody></tgroup></informaltable> | ||
| 1153 | <para>PARAMETERS | ||
| 1154 | </para> | ||
| 1155 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 1156 | align="char"> | ||
| 1157 | <para>int fd</para> | ||
| 1158 | </entry><entry | ||
| 1159 | align="char"> | ||
| 1160 | <para>File descriptor returned by a previous call to open().</para> | ||
| 1161 | </entry> | ||
| 1162 | </row><row><entry | ||
| 1163 | align="char"> | ||
| 1164 | <para>int request</para> | ||
| 1165 | </entry><entry | ||
| 1166 | align="char"> | ||
| 1167 | <para>Equals VIDEO_TRY_COMMAND for this | ||
| 1168 | command.</para> | ||
| 1169 | </entry> | ||
| 1170 | </row><row><entry | ||
| 1171 | align="char"> | ||
| 1172 | <para>struct video_command *cmd | ||
| 1173 | </para> | ||
| 1174 | </entry><entry | ||
| 1175 | align="char"> | ||
| 1176 | <para>Try a decoder command. | ||
| 1177 | </para> | ||
| 1178 | </entry> | ||
| 1179 | </row></tbody></tgroup></informaltable> | ||
| 1180 | &return-value-dvb; | ||
| 1181 | |||
| 1182 | </section><section id="VIDEO_GET_SIZE" | ||
| 1183 | role="subsection"><title>VIDEO_GET_SIZE</title> | ||
| 1184 | <para>DESCRIPTION | ||
| 1185 | </para> | ||
| 1186 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1187 | align="char"> | ||
| 1188 | <para>This ioctl returns the size and aspect ratio.</para> | ||
| 1189 | </entry> | ||
| 1190 | </row></tbody></tgroup></informaltable> | ||
| 1191 | <para>SYNOPSIS | ||
| 1192 | </para> | ||
| 1193 | <informaltable><tgroup cols="1"><tbody><row><entry | ||
| 1194 | align="char"> | ||
| 1195 | <para>int ioctl(int fd, int request = | ||
| 1196 | VIDEO_GET_SIZE, video_size_t *size);</para> | ||
| 1197 | </entry> | ||
| 1198 | </row></tbody></tgroup></informaltable> | ||
| 1199 | <para>PARAMETERS | ||
| 1200 | </para> | ||
| 1201 | <informaltable><tgroup cols="2"><tbody><row><entry | ||
| 1202 | align="char"> | ||
| 1203 | <para>int fd</para> | ||
| 1204 | </entry><entry | ||
| 1205 | align="char"> | ||
| 1206 | <para>File descriptor returned by a previous call to open().</para> | ||
| 1207 | </entry> | ||
| 1208 | </row><row><entry | ||
| 1209 | align="char"> | ||
| 1210 | <para>int request</para> | ||
| 1211 | </entry><entry | ||
| 1212 | align="char"> | ||
| 1213 | <para>Equals VIDEO_GET_SIZE for this | ||
| 1214 | command.</para> | ||
| 1215 | </entry> | ||
| 1216 | </row><row><entry | ||
| 1217 | align="char"> | ||
| 1218 | <para>video_size_t *size | ||
| 1219 | </para> | ||
| 1220 | </entry><entry | ||
| 1221 | align="char"> | ||
| 1222 | <para>Returns the size and aspect ratio. | ||
| 1223 | </para> | ||
| 1224 | </entry> | ||
| 1225 | </row></tbody></tgroup></informaltable> | ||
| 1226 | &return-value-dvb; | ||
| 1227 | |||
| 917 | </section><section id="VIDEO_SET_DISPLAY_FORMAT" | 1228 | </section><section id="VIDEO_SET_DISPLAY_FORMAT" |
| 918 | role="subsection"><title>VIDEO_SET_DISPLAY_FORMAT</title> | 1229 | role="subsection"><title>VIDEO_SET_DISPLAY_FORMAT</title> |
| 919 | <para>DESCRIPTION | 1230 | <para>DESCRIPTION |
| @@ -178,23 +178,23 @@ Signal - NTSC for Studio Applications"</title> · 177 unmodified lines | |||
| 178 | 1125-Line High-Definition Production"</title> | 178 | 1125-Line High-Definition Production"</title> |
| 179 | </biblioentry> | 179 | </biblioentry> |
| 180 | 180 | ||
| 181 | <biblioentry id="en50067"> | 181 | <biblioentry id="iec62106"> |
| 182 | <abbrev>EN 50067</abbrev> | 182 | <abbrev>IEC 62106</abbrev> |
| 183 | <authorgroup> | 183 | <authorgroup> |
| 184 | <corpauthor>European Committee for Electrotechnical Standardization | 184 | <corpauthor>International Electrotechnical Commission |
| 185 | (<ulink url="http://www.cenelec.eu">http://www.cenelec.eu</ulink>)</corpauthor> | 185 | (<ulink url="http://www.iec.ch">http://www.iec.ch</ulink>)</corpauthor> |
| 186 | </authorgroup> | 186 | </authorgroup> |
| 187 | <title>Specification of the radio data system (RDS) for VHF/FM sound broadcasting | 187 | <title>Specification of the radio data system (RDS) for VHF/FM sound broadcasting |
| 188 | in the frequency range from 87,5 to 108,0 MHz</title> | 188 | in the frequency range from 87,5 to 108,0 MHz</title> |
| 189 | </biblioentry> | 189 | </biblioentry> |
| 190 | 190 | ||
| 191 | <biblioentry id="nrsc4"> | 191 | <biblioentry id="nrsc4"> |
| 192 | <abbrev>NRSC-4</abbrev> | 192 | <abbrev>NRSC-4-B</abbrev> |
| 193 | <authorgroup> | 193 | <authorgroup> |
| 194 | <corpauthor>National Radio Systems Committee | 194 | <corpauthor>National Radio Systems Committee |
| 195 | (<ulink url="http://www.nrscstandards.org">http://www.nrscstandards.org</ulink>)</corpauthor> | 195 | (<ulink url="http://www.nrscstandards.org">http://www.nrscstandards.org</ulink>)</corpauthor> |
| 196 | </authorgroup> | 196 | </authorgroup> |
| 197 | <title>NRSC-4: United States RBDS Standard</title> | 197 | <title>NRSC-4-B: United States RBDS Standard</title> |
| 198 | </biblioentry> | 198 | </biblioentry> |
| 199 | 199 | ||
| 200 | <biblioentry id="iso12232"> | 200 | <biblioentry id="iso12232"> |
| @@ -226,4 +226,44 @@ in the frequency range from 87,5 to 108,0 MHz</title> · 25 unmodified lines | |||
| 226 | <title>VESA and Industry Standards and Guidelines for Computer Display Monitor Timing (DMT)</title> | 226 | <title>VESA and Industry Standards and Guidelines for Computer Display Monitor Timing (DMT)</title> |
| 227 | </biblioentry> | 227 | </biblioentry> |
| 228 | 228 | ||
| 229 | <biblioentry id="vesaedid"> | ||
| 230 | <abbrev>EDID</abbrev> | ||
| 231 | <authorgroup> | ||
| 232 | <corpauthor>Video Electronics Standards Association | ||
| 233 | (<ulink url="http://www.vesa.org">http://www.vesa.org</ulink>)</corpauthor> | ||
| 234 | </authorgroup> | ||
| 235 | <title>VESA Enhanced Extended Display Identification Data Standard</title> | ||
| 236 | <subtitle>Release A, Revision 2</subtitle> | ||
| 237 | </biblioentry> | ||
| 238 | |||
| 239 | <biblioentry id="hdcp"> | ||
| 240 | <abbrev>HDCP</abbrev> | ||
| 241 | <authorgroup> | ||
| 242 | <corpauthor>Digital Content Protection LLC | ||
| 243 | (<ulink url="http://www.digital-cp.com">http://www.digital-cp.com</ulink>)</corpauthor> | ||
| 244 | </authorgroup> | ||
| 245 | <title>High-bandwidth Digital Content Protection System</title> | ||
| 246 | <subtitle>Revision 1.3</subtitle> | ||
| 247 | </biblioentry> | ||
| 248 | |||
| 249 | <biblioentry id="hdmi"> | ||
| 250 | <abbrev>HDMI</abbrev> | ||
| 251 | <authorgroup> | ||
| 252 | <corpauthor>HDMI Licensing LLC | ||
| 253 | (<ulink url="http://www.hdmi.org">http://www.hdmi.org</ulink>)</corpauthor> | ||
| 254 | </authorgroup> | ||
| 255 | <title>High-Definition Multimedia Interface</title> | ||
| 256 | <subtitle>Specification Version 1.4a</subtitle> | ||
| 257 | </biblioentry> | ||
| 258 | |||
| 259 | <biblioentry id="dp"> | ||
| 260 | <abbrev>DP</abbrev> | ||
| 261 | <authorgroup> | ||
| 262 | <corpauthor>Video Electronics Standards Association | ||
| 263 | (<ulink url="http://www.vesa.org">http://www.vesa.org</ulink>)</corpauthor> | ||
| 264 | </authorgroup> | ||
| 265 | <title>VESA DisplayPort Standard</title> | ||
| 266 | <subtitle>Version 1, Revision 2</subtitle> | ||
| 267 | </biblioentry> | ||
| 268 | |||
| 229 | </bibliography> | 269 | </bibliography> |
| @@ -564,7 +564,7 @@ automatically.</para> · 563 unmodified lines | |||
| 564 | <para>To query and select the standard used by the current video | 564 | <para>To query and select the standard used by the current video |
| 565 | input or output applications call the &VIDIOC-G-STD; and | 565 | input or output applications call the &VIDIOC-G-STD; and |
| 566 | &VIDIOC-S-STD; ioctl, respectively. The <emphasis>received</emphasis> | 566 | &VIDIOC-S-STD; ioctl, respectively. The <emphasis>received</emphasis> |
| 567 | standard can be sensed with the &VIDIOC-QUERYSTD; ioctl. Note parameter of all these ioctls is a pointer to a &v4l2-std-id; type (a standard set), <emphasis>not</emphasis> an index into the standard enumeration.<footnote> | 567 | standard can be sensed with the &VIDIOC-QUERYSTD; ioctl. Note that the parameter of all these ioctls is a pointer to a &v4l2-std-id; type (a standard set), <emphasis>not</emphasis> an index into the standard enumeration.<footnote> |
| 568 | <para>An alternative to the current scheme is to use pointers | 568 | <para>An alternative to the current scheme is to use pointers |
| 569 | to indices as arguments of <constant>VIDIOC_G_STD</constant> and | 569 | to indices as arguments of <constant>VIDIOC_G_STD</constant> and |
| 570 | <constant>VIDIOC_S_STD</constant>, the &v4l2-input; and | 570 | <constant>VIDIOC_S_STD</constant>, the &v4l2-input; and |
| @@ -588,30 +588,28 @@ switch to a standard by &v4l2-std-id;.</para> · 17 unmodified lines | |||
| 588 | </footnote> Drivers must implement all video standard ioctls | 588 | </footnote> Drivers must implement all video standard ioctls |
| 589 | when the device has one or more video inputs or outputs.</para> | 589 | when the device has one or more video inputs or outputs.</para> |
| 590 | 590 | ||
| 591 | <para>Special rules apply to USB cameras where the notion of video | 591 | <para>Special rules apply to devices such as USB cameras where the notion of video |
| 592 | standards makes little sense. More generally any capture device, | 592 | standards makes little sense. More generally for any capture or output device |
| 593 | output devices accordingly, which is <itemizedlist> | 593 | which is: <itemizedlist> |
| 594 | <listitem> | 594 | <listitem> |
| 595 | <para>incapable of capturing fields or frames at the nominal | 595 | <para>incapable of capturing fields or frames at the nominal |
| 596 | rate of the video standard, or</para> | 596 | rate of the video standard, or</para> |
| 597 | </listitem> | 597 | </listitem> |
| 598 | <listitem> | 598 | <listitem> |
| 599 | <para>where <link linkend="buffer">timestamps</link> refer | 599 | <para>that does not support the video standard formats at all.</para> |
| 600 | to the instant the field or frame was received by the driver, not the | ||
| 601 | capture time, or</para> | ||
| 602 | </listitem> | ||
| 603 | <listitem> | ||
| 604 | <para>where <link linkend="buffer">sequence numbers</link> | ||
| 605 | refer to the frames received by the driver, not the captured | ||
| 606 | frames.</para> | ||
| 607 | </listitem> | 600 | </listitem> |
| 608 | </itemizedlist> Here the driver shall set the | 601 | </itemizedlist> Here the driver shall set the |
| 609 | <structfield>std</structfield> field of &v4l2-input; and &v4l2-output; | 602 | <structfield>std</structfield> field of &v4l2-input; and &v4l2-output; |
| 610 | to zero, the <constant>VIDIOC_G_STD</constant>, | 603 | to zero and the <constant>VIDIOC_G_STD</constant>, |
| 611 | <constant>VIDIOC_S_STD</constant>, | 604 | <constant>VIDIOC_S_STD</constant>, |
| 612 | <constant>VIDIOC_QUERYSTD</constant> and | 605 | <constant>VIDIOC_QUERYSTD</constant> and |
| 613 | <constant>VIDIOC_ENUMSTD</constant> ioctls shall return the | 606 | <constant>VIDIOC_ENUMSTD</constant> ioctls shall return the |
| 614 | &EINVAL;.<footnote> | 607 | &ENOTTY;.<footnote> |
| 608 | <para>See <xref linkend="buffer" /> for a rationale.</para> | ||
| 609 | <para>Applications can make use of the <xref linkend="input-capabilities" /> and | ||
| 610 | <xref linkend="output-capabilities"/> flags to determine whether the video standard ioctls | ||
| 611 | are available for the device.</para> | ||
| 612 | &ENOTTY;. | ||
| 615 | <para>See <xref linkend="buffer" /> for a rationale. Probably | 613 | <para>See <xref linkend="buffer" /> for a rationale. Probably |
| 616 | even USB cameras follow some well known video standard. It might have | 614 | even USB cameras follow some well known video standard. It might have |
| 617 | been better to explicitly indicate elsewhere if a device cannot live | 615 | been better to explicitly indicate elsewhere if a device cannot live |
| @@ -626,9 +624,9 @@ up to normal expectations, instead of this exception.</para> · 8 unmodified lines | |||
| 626 | &v4l2-standard; standard; | 624 | &v4l2-standard; standard; |
| 627 | 625 | ||
| 628 | if (-1 == ioctl (fd, &VIDIOC-G-STD;, &std_id)) { | 626 | if (-1 == ioctl (fd, &VIDIOC-G-STD;, &std_id)) { |
| 629 | /* Note when VIDIOC_ENUMSTD always returns EINVAL this | 627 | /* Note when VIDIOC_ENUMSTD always returns ENOTTY this |
| 630 | is no video device or it falls under the USB exception, | 628 | is no video device or it falls under the USB exception, |
| 631 | and VIDIOC_G_STD returning EINVAL is no error. */ | 629 | and VIDIOC_G_STD returning ENOTTY is no error. */ |
| 632 | 630 | ||
| 633 | perror ("VIDIOC_G_STD"); | 631 | perror ("VIDIOC_G_STD"); |
| 634 | exit (EXIT_FAILURE); | 632 | exit (EXIT_FAILURE); |
| @@ -1476,7 +1476,7 @@ follows.<informaltable> · 1475 unmodified lines | |||
| 1476 | </row> | 1476 | </row> |
| 1477 | <row> | 1477 | <row> |
| 1478 | <entry><constant>V4L2_BUF_TYPE_PRIVATE_BASE</constant></entry> | 1478 | <entry><constant>V4L2_BUF_TYPE_PRIVATE_BASE</constant></entry> |
| 1479 | <entry><constant>V4L2_BUF_TYPE_PRIVATE</constant></entry> | 1479 | <entry><constant>V4L2_BUF_TYPE_PRIVATE</constant> (but this is deprecated)</entry> |
| 1480 | </row> | 1480 | </row> |
| 1481 | </tbody> | 1481 | </tbody> |
| 1482 | </tgroup> | 1482 | </tgroup> |
| @@ -2468,21 +2468,9 @@ that used it. It was originally scheduled for removal in 2.6.35. · 985 unmodified lines | |||
| 2468 | <structfield>reserved2</structfield> and removed | 2468 | <structfield>reserved2</structfield> and removed |
| 2469 | <constant>V4L2_BUF_FLAG_INPUT</constant>.</para> | 2469 | <constant>V4L2_BUF_FLAG_INPUT</constant>.</para> |
| 2470 | </listitem> | 2470 | </listitem> |
| 2471 | </orderedlist> | ||
| 2472 | </section> | ||
| 2473 | |||
| 2474 | <section> | ||
| 2475 | <title>V4L2 in Linux 3.6</title> | ||
| 2476 | <orderedlist> | ||
| 2477 | <listitem> | 2471 | <listitem> |
| 2478 | <para>Added V4L2_CAP_VIDEO_M2M and V4L2_CAP_VIDEO_M2M_MPLANE capabilities.</para> | 2472 | <para>Added V4L2_CAP_VIDEO_M2M and V4L2_CAP_VIDEO_M2M_MPLANE capabilities.</para> |
| 2479 | </listitem> | 2473 | </listitem> |
| 2480 | </orderedlist> | ||
| 2481 | </section> | ||
| 2482 | |||
| 2483 | <section> | ||
| 2484 | <title>V4L2 in Linux 3.6</title> | ||
| 2485 | <orderedlist> | ||
| 2486 | <listitem> | 2474 | <listitem> |
| 2487 | <para>Added support for frequency band enumerations: &VIDIOC-ENUM-FREQ-BANDS;.</para> | 2475 | <para>Added support for frequency band enumerations: &VIDIOC-ENUM-FREQ-BANDS;.</para> |
| 2488 | </listitem> | 2476 | </listitem> |
| @@ -2567,29 +2555,6 @@ and may change in the future.</para> · 78 unmodified lines | |||
| 2567 | <para>Video Output Overlay (OSD) Interface, <xref | 2555 | <para>Video Output Overlay (OSD) Interface, <xref |
| 2568 | linkend="osd" />.</para> | 2556 | linkend="osd" />.</para> |
| 2569 | </listitem> | 2557 | </listitem> |
| 2570 | <listitem> | ||
| 2571 | <para><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant>, | ||
| 2572 | &v4l2-buf-type;, <xref linkend="v4l2-buf-type" />.</para> | ||
| 2573 | </listitem> | ||
| 2574 | <listitem> | ||
| 2575 | <para><constant>V4L2_CAP_VIDEO_OUTPUT_OVERLAY</constant>, | ||
| 2576 | &VIDIOC-QUERYCAP; ioctl, <xref linkend="device-capabilities" />.</para> | ||
| 2577 | </listitem> | ||
| 2578 | <listitem> | ||
| 2579 | <para>&VIDIOC-ENUM-FRAMESIZES; and | ||
| 2580 | &VIDIOC-ENUM-FRAMEINTERVALS; ioctls.</para> | ||
| 2581 | </listitem> | ||
| 2582 | <listitem> | ||
| 2583 | <para>&VIDIOC-G-ENC-INDEX; ioctl.</para> | ||
| 2584 | </listitem> | ||
| 2585 | <listitem> | ||
| 2586 | <para>&VIDIOC-ENCODER-CMD; and &VIDIOC-TRY-ENCODER-CMD; | ||
| 2587 | ioctls.</para> | ||
| 2588 | </listitem> | ||
| 2589 | <listitem> | ||
| 2590 | <para>&VIDIOC-DECODER-CMD; and &VIDIOC-TRY-DECODER-CMD; | ||
| 2591 | ioctls.</para> | ||
| 2592 | </listitem> | ||
| 2593 | <listitem> | 2558 | <listitem> |
| 2594 | <para>&VIDIOC-DBG-G-REGISTER; and &VIDIOC-DBG-S-REGISTER; | 2559 | <para>&VIDIOC-DBG-G-REGISTER; and &VIDIOC-DBG-S-REGISTER; |
| 2595 | ioctls.</para> | 2560 | ioctls.</para> |
| @@ -2615,11 +2580,11 @@ ioctls.</para> · 19 unmodified lines | |||
| 2615 | and &VIDIOC-SUBDEV-S-SELECTION; ioctls.</para> | 2580 | and &VIDIOC-SUBDEV-S-SELECTION; ioctls.</para> |
| 2616 | </listitem> | 2581 | </listitem> |
| 2617 | <listitem> | 2582 | <listitem> |
| 2618 | <para><link linkend="v4l2-auto-focus-area"><constant> | 2583 | <para>Support for frequency band enumeration: &VIDIOC-ENUM-FREQ-BANDS; ioctl.</para> |
| 2619 | V4L2_CID_AUTO_FOCUS_AREA</constant></link> control.</para> | ||
| 2620 | </listitem> | 2584 | </listitem> |
| 2621 | <listitem> | 2585 | <listitem> |
| 2622 | <para>Support for frequency band enumeration: &VIDIOC-ENUM-FREQ-BANDS; ioctl.</para> | 2586 | <para>Vendor and device specific media bus pixel formats. |
| 2587 | <xref linkend="v4l2-mbus-vendor-spec-fmts" />.</para> | ||
| 2623 | </listitem> | 2588 | </listitem> |
| 2624 | </itemizedlist> | 2589 | </itemizedlist> |
| 2625 | </section> | 2590 | </section> |
| @@ -1586,7 +1586,6 @@ frame counter of the frame that is currently displayed (decoded). This value is · 1585 unmodified lines | |||
| 1586 | the decoder is started.</entry> | 1586 | the decoder is started.</entry> |
| 1587 | </row> | 1587 | </row> |
| 1588 | 1588 | ||
| 1589 | |||
| 1590 | <row><entry></entry></row> | 1589 | <row><entry></entry></row> |
| 1591 | <row> | 1590 | <row> |
| 1592 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE</constant> </entry> | 1591 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE</constant> </entry> |
| @@ -2269,6 +2268,14 @@ encoder or editing process may produce.". · 676 unmodified lines | |||
| 2269 | Applicable to the MPEG1, MPEG2, MPEG4 encoders.</entry> | 2268 | Applicable to the MPEG1, MPEG2, MPEG4 encoders.</entry> |
| 2270 | </row> | 2269 | </row> |
| 2271 | 2270 | ||
| 2271 | <row><entry></entry></row> | ||
| 2272 | <row id="v4l2-mpeg-video-vbv-delay"> | ||
| 2273 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VBV_DELAY</constant> </entry> | ||
| 2274 | <entry>integer</entry> | ||
| 2275 | </row><row><entry spanname="descr">Sets the initial delay in milliseconds for | ||
| 2276 | VBV buffer control.</entry> | ||
| 2277 | </row> | ||
| 2278 | |||
| 2272 | <row><entry></entry></row> | 2279 | <row><entry></entry></row> |
| 2273 | <row> | 2280 | <row> |
| 2274 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE</constant> </entry> | 2281 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE</constant> </entry> |
| @@ -2334,6 +2341,265 @@ Applicable to the MPEG4 decoder.</entry> · 59 unmodified lines | |||
| 2334 | </row><row><entry spanname="descr">vop_time_increment value for MPEG4. Applicable to the MPEG4 encoder.</entry> | 2341 | </row><row><entry spanname="descr">vop_time_increment value for MPEG4. Applicable to the MPEG4 encoder.</entry> |
| 2335 | </row> | 2342 | </row> |
| 2336 | 2343 | ||
| 2344 | <row><entry></entry></row> | ||
| 2345 | <row> | ||
| 2346 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING</constant> </entry> | ||
| 2347 | <entry>boolean</entry> | ||
| 2348 | </row> | ||
| 2349 | <row><entry spanname="descr">Enable generation of frame packing supplemental enhancement information in the encoded bitstream. | ||
| 2350 | The frame packing SEI message contains the arrangement of L and R planes for 3D viewing. Applicable to the H264 encoder.</entry> | ||
| 2351 | </row> | ||
| 2352 | |||
| 2353 | <row><entry></entry></row> | ||
| 2354 | <row> | ||
| 2355 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0</constant> </entry> | ||
| 2356 | <entry>boolean</entry> | ||
| 2357 | </row> | ||
| 2358 | <row><entry spanname="descr">Sets current frame as frame0 in frame packing SEI. | ||
| 2359 | Applicable to the H264 encoder.</entry> | ||
| 2360 | </row> | ||
| 2361 | |||
| 2362 | <row><entry></entry></row> | ||
| 2363 | <row id="v4l2-mpeg-video-h264-sei-fp-arrangement-type"> | ||
| 2364 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE</constant> </entry> | ||
| 2365 | <entry>enum v4l2_mpeg_video_h264_sei_fp_arrangement_type</entry> | ||
| 2366 | </row> | ||
| 2367 | <row><entry spanname="descr">Frame packing arrangement type for H264 SEI. | ||
| 2368 | Applicable to the H264 encoder. | ||
| 2369 | Possible values are:</entry> | ||
| 2370 | </row> | ||
| 2371 | <row> | ||
| 2372 | <entrytbl spanname="descr" cols="2"> | ||
| 2373 | <tbody valign="top"> | ||
| 2374 | <row> | ||
| 2375 | <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHEKERBOARD</constant> </entry> | ||
| 2376 | <entry>Pixels are alternatively from L and R.</entry> | ||
| 2377 | </row> | ||
| 2378 | <row> | ||
| 2379 | <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN</constant> </entry> | ||
| 2380 | <entry>L and R are interlaced by column.</entry> | ||
| 2381 | </row> | ||
| 2382 | <row> | ||
| 2383 | <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW</constant> </entry> | ||
| 2384 | <entry>L and R are interlaced by row.</entry> | ||
| 2385 | </row> | ||
| 2386 | <row> | ||
| 2387 | <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE</constant> </entry> | ||
| 2388 | <entry>L is on the left, R on the right.</entry> | ||
| 2389 | </row> | ||
| 2390 | <row> | ||
| 2391 | <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM</constant> </entry> | ||
| 2392 | <entry>L is on top, R on bottom.</entry> | ||
| 2393 | </row> | ||
| 2394 | <row> | ||
| 2395 | <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL</constant> </entry> | ||
| 2396 | <entry>One view per frame.</entry> | ||
| 2397 | </row> | ||
| 2398 | </tbody> | ||
| 2399 | </entrytbl> | ||
| 2400 | </row> | ||
| 2401 | |||
| 2402 | <row><entry></entry></row> | ||
| 2403 | <row> | ||
| 2404 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO</constant> </entry> | ||
| 2405 | <entry>boolean</entry> | ||
| 2406 | </row> | ||
| 2407 | <row><entry spanname="descr">Enables flexible macroblock ordering in the encoded bitstream. It is a technique | ||
| 2408 | used for restructuring the ordering of macroblocks in pictures. Applicable to the H264 encoder.</entry> | ||
| 2409 | </row> | ||
| 2410 | |||
| 2411 | <row><entry></entry></row> | ||
| 2412 | <row id="v4l2-mpeg-video-h264-fmo-map-type"> | ||
| 2413 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE</constant> </entry> | ||
| 2414 | <entry>enum v4l2_mpeg_video_h264_fmo_map_type</entry> | ||
| 2415 | </row> | ||
| 2416 | <row><entry spanname="descr">When using FMO, the map type divides the image in different scan patterns of macroblocks. | ||
| 2417 | Applicable to the H264 encoder. | ||
| 2418 | Possible values are:</entry> | ||
| 2419 | </row> | ||
| 2420 | <row> | ||
| 2421 | <entrytbl spanname="descr" cols="2"> | ||
| 2422 | <tbody valign="top"> | ||
| 2423 | <row> | ||
| 2424 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES</constant> </entry> | ||
| 2425 | <entry>Slices are interleaved one after other with macroblocks in run length order.</entry> | ||
| 2426 | </row> | ||
| 2427 | <row> | ||
| 2428 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES</constant> </entry> | ||
| 2429 | <entry>Scatters the macroblocks based on a mathematical function known to both encoder and decoder.</entry> | ||
| 2430 | </row> | ||
| 2431 | <row> | ||
| 2432 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER</constant> </entry> | ||
| 2433 | <entry>Macroblocks arranged in rectangular areas or regions of interest.</entry> | ||
| 2434 | </row> | ||
| 2435 | <row> | ||
| 2436 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT</constant> </entry> | ||
| 2437 | <entry>Slice groups grow in a cyclic way from centre to outwards.</entry> | ||
| 2438 | </row> | ||
| 2439 | <row> | ||
| 2440 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN</constant> </entry> | ||
| 2441 | <entry>Slice groups grow in raster scan pattern from left to right.</entry> | ||
| 2442 | </row> | ||
| 2443 | <row> | ||
| 2444 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN</constant> </entry> | ||
| 2445 | <entry>Slice groups grow in wipe scan pattern from top to bottom.</entry> | ||
| 2446 | </row> | ||
| 2447 | <row> | ||
| 2448 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT</constant> </entry> | ||
| 2449 | <entry>User defined map type.</entry> | ||
| 2450 | </row> | ||
| 2451 | </tbody> | ||
| 2452 | </entrytbl> | ||
| 2453 | </row> | ||
| 2454 | |||
| 2455 | <row><entry></entry></row> | ||
| 2456 | <row> | ||
| 2457 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP</constant> </entry> | ||
| 2458 | <entry>integer</entry> | ||
| 2459 | </row> | ||
| 2460 | <row><entry spanname="descr">Number of slice groups in FMO. | ||
| 2461 | Applicable to the H264 encoder.</entry> | ||
| 2462 | </row> | ||
| 2463 | |||
| 2464 | <row><entry></entry></row> | ||
| 2465 | <row id="v4l2-mpeg-video-h264-fmo-change-direction"> | ||
| 2466 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION</constant> </entry> | ||
| 2467 | <entry>enum v4l2_mpeg_video_h264_fmo_change_dir</entry> | ||
| 2468 | </row> | ||
| 2469 | <row><entry spanname="descr">Specifies a direction of the slice group change for raster and wipe maps. | ||
| 2470 | Applicable to the H264 encoder. | ||
| 2471 | Possible values are:</entry> | ||
| 2472 | </row> | ||
| 2473 | <row> | ||
| 2474 | <entrytbl spanname="descr" cols="2"> | ||
| 2475 | <tbody valign="top"> | ||
| 2476 | <row> | ||
| 2477 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT</constant> </entry> | ||
| 2478 | <entry>Raster scan or wipe right.</entry> | ||
| 2479 | </row> | ||
| 2480 | <row> | ||
| 2481 | <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT</constant> </entry> | ||
| 2482 | <entry>Reverse raster scan or wipe left.</entry> | ||
| 2483 | </row> | ||
| 2484 | </tbody> | ||
| 2485 | </entrytbl> | ||
| 2486 | </row> | ||
| 2487 | |||
| 2488 | <row><entry></entry></row> | ||
| 2489 | <row> | ||
| 2490 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE</constant> </entry> | ||
| 2491 | <entry>integer</entry> | ||
| 2492 | </row> | ||
| 2493 | <row><entry spanname="descr">Specifies the size of the first slice group for raster and wipe map. | ||
| 2494 | Applicable to the H264 encoder.</entry> | ||
| 2495 | </row> | ||
| 2496 | |||
| 2497 | <row><entry></entry></row> | ||
| 2498 | <row> | ||
| 2499 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH</constant> </entry> | ||
| 2500 | <entry>integer</entry> | ||
| 2501 | </row> | ||
| 2502 | <row><entry spanname="descr">Specifies the number of consecutive macroblocks for the interleaved map. | ||
| 2503 | Applicable to the H264 encoder.</entry> | ||
| 2504 | </row> | ||
| 2505 | |||
| 2506 | <row><entry></entry></row> | ||
| 2507 | <row> | ||
| 2508 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ASO</constant> </entry> | ||
| 2509 | <entry>boolean</entry> | ||
| 2510 | </row> | ||
| 2511 | <row><entry spanname="descr">Enables arbitrary slice ordering in encoded bitstream. | ||
| 2512 | Applicable to the H264 encoder.</entry> | ||
| 2513 | </row> | ||
| 2514 | |||
| 2515 | <row><entry></entry></row> | ||
| 2516 | <row> | ||
| 2517 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER</constant> </entry> | ||
| 2518 | <entry>integer</entry> | ||
| 2519 | </row><row><entry spanname="descr">Specifies the slice order in ASO. Applicable to the H264 encoder. | ||
| 2520 | The supplied 32-bit integer is interpreted as follows (bit | ||
| 2521 | 0 = least significant bit):</entry> | ||
| 2522 | </row> | ||
| 2523 | <row> | ||
| 2524 | <entrytbl spanname="descr" cols="2"> | ||
| 2525 | <tbody valign="top"> | ||
| 2526 | <row> | ||
| 2527 | <entry>Bit 0:15</entry> | ||
| 2528 | <entry>Slice ID</entry> | ||
| 2529 | </row> | ||
| 2530 | <row> | ||
| 2531 | <entry>Bit 16:32</entry> | ||
| 2532 | <entry>Slice position or order</entry> | ||
| 2533 | </row> | ||
| 2534 | </tbody> | ||
| 2535 | </entrytbl> | ||
| 2536 | </row> | ||
| 2537 | |||
| 2538 | <row><entry></entry></row> | ||
| 2539 | <row> | ||
| 2540 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING</constant> </entry> | ||
| 2541 | <entry>boolean</entry> | ||
| 2542 | </row> | ||
| 2543 | <row><entry spanname="descr">Enables H264 hierarchical coding. | ||
| 2544 | Applicable to the H264 encoder.</entry> | ||
| 2545 | </row> | ||
| 2546 | |||
| 2547 | <row><entry></entry></row> | ||
| 2548 | <row id="v4l2-mpeg-video-h264-hierarchical-coding-type"> | ||
| 2549 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE</constant> </entry> | ||
| 2550 | <entry>enum v4l2_mpeg_video_h264_hierarchical_coding_type</entry> | ||
| 2551 | </row> | ||
| 2552 | <row><entry spanname="descr">Specifies the hierarchical coding type. | ||
| 2553 | Applicable to the H264 encoder. | ||
| 2554 | Possible values are:</entry> | ||
| 2555 | </row> | ||
| 2556 | <row> | ||
| 2557 | <entrytbl spanname="descr" cols="2"> | ||
| 2558 | <tbody valign="top"> | ||
| 2559 | <row> | ||
| 2560 | <entry><constant>V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B</constant> </entry> | ||
| 2561 | <entry>Hierarchical B coding.</entry> | ||
| 2562 | </row> | ||
| 2563 | <row> | ||
| 2564 | <entry><constant>V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P</constant> </entry> | ||
| 2565 | <entry>Hierarchical P coding.</entry> | ||
| 2566 | </row> | ||
| 2567 | </tbody> | ||
| 2568 | </entrytbl> | ||
| 2569 | </row> | ||
| 2570 | |||
| 2571 | <row><entry></entry></row> | ||
| 2572 | <row> | ||
| 2573 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER</constant> </entry> | ||
| 2574 | <entry>integer</entry> | ||
| 2575 | </row> | ||
| 2576 | <row><entry spanname="descr">Specifies the number of hierarchical coding layers. | ||
| 2577 | Applicable to the H264 encoder.</entry> | ||
| 2578 | </row> | ||
| 2579 | |||
| 2580 | <row><entry></entry></row> | ||
| 2581 | <row> | ||
| 2582 | <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP</constant> </entry> | ||
| 2583 | <entry>integer</entry> | ||
| 2584 | </row><row><entry spanname="descr">Specifies a user defined QP for each layer. Applicable to the H264 encoder. | ||
| 2585 | The supplied 32-bit integer is interpreted as follows (bit | ||
| 2586 | 0 = least significant bit):</entry> | ||
| 2587 | </row> | ||
| 2588 | <row> | ||
| 2589 | <entrytbl spanname="descr" cols="2"> | ||
| 2590 | <tbody valign="top"> | ||
| 2591 | <row> | ||
| 2592 | <entry>Bit 0:15</entry> | ||
| 2593 | <entry>QP value</entry> | ||
| 2594 | </row> | ||
| 2595 | <row> | ||
| 2596 | <entry>Bit 16:32</entry> | ||
| 2597 | <entry>Layer number</entry> | ||
| 2598 | </row> | ||
| 2599 | </tbody> | ||
| 2600 | </entrytbl> | ||
| 2601 | </row> | ||
| 2602 | |||
| 2337 | </tbody> | 2603 | </tbody> |
| 2338 | </tgroup> | 2604 | </tgroup> |
| 2339 | </table> | 2605 | </table> |
| @@ -3505,7 +3771,7 @@ This encodes up to 31 pre-defined programme types.</entry> · 1165 unmodified lines | |||
| 3505 | </row> | 3771 | </row> |
| 3506 | <row><entry spanname="descr">Sets the Programme Service name (PS_NAME) for transmission. | 3772 | <row><entry spanname="descr">Sets the Programme Service name (PS_NAME) for transmission. |
| 3507 | It is intended for static display on a receiver. It is the primary aid to listeners in programme service | 3773 | It is intended for static display on a receiver. It is the primary aid to listeners in programme service |
| 3508 | identification and selection. In Annex E of <xref linkend="en50067" />, the RDS specification, | 3774 | identification and selection. In Annex E of <xref linkend="iec62106" />, the RDS specification, |
| 3509 | there is a full description of the correct character encoding for Programme Service name strings. | 3775 | there is a full description of the correct character encoding for Programme Service name strings. |
| 3510 | Also from RDS specification, PS is usually a single eight character text. However, it is also possible | 3776 | Also from RDS specification, PS is usually a single eight character text. However, it is also possible |
| 3511 | to find receivers which can scroll strings sized as 8 x N characters. So, this control must be configured | 3777 | to find receivers which can scroll strings sized as 8 x N characters. So, this control must be configured |
| @@ -3519,7 +3785,7 @@ with steps of 8 characters. The result is it must always contain a string with s · 7 unmodified lines | |||
| 3519 | what is being broadcasted. RDS Radio Text can be applied when broadcaster wishes to transmit longer PS names, | 3785 | what is being broadcasted. RDS Radio Text can be applied when broadcaster wishes to transmit longer PS names, |
| 3520 | programme-related information or any other text. In these cases, RadioText should be used in addition to | 3786 | programme-related information or any other text. In these cases, RadioText should be used in addition to |
| 3521 | <constant>V4L2_CID_RDS_TX_PS_NAME</constant>. The encoding for Radio Text strings is also fully described | 3787 | <constant>V4L2_CID_RDS_TX_PS_NAME</constant>. The encoding for Radio Text strings is also fully described |
| 3522 | in Annex E of <xref linkend="en50067" />. The length of Radio Text strings depends on which RDS Block is being | 3788 | in Annex E of <xref linkend="iec62106" />. The length of Radio Text strings depends on which RDS Block is being |
| 3523 | used to transmit it, either 32 (2A block) or 64 (2B block). However, it is also possible | 3789 | used to transmit it, either 32 (2A block) or 64 (2B block). However, it is also possible |
| 3524 | to find receivers which can scroll strings sized as 32 x N or 64 x N characters. So, this control must be configured | 3790 | to find receivers which can scroll strings sized as 32 x N or 64 x N characters. So, this control must be configured |
| 3525 | with steps of 32 or 64 characters. The result is it must always contain a string with size multiple of 32 or 64. </entry> | 3791 | with steps of 32 or 64 characters. The result is it must always contain a string with size multiple of 32 or 64. </entry> |
| @@ -3650,7 +3916,7 @@ manually or automatically if set to zero. Unit, range and step are driver-specif · 124 unmodified lines | |||
| 3650 | </table> | 3916 | </table> |
| 3651 | 3917 | ||
| 3652 | <para>For more details about RDS specification, refer to | 3918 | <para>For more details about RDS specification, refer to |
| 3653 | <xref linkend="en50067" /> document, from CENELEC.</para> | 3919 | <xref linkend="iec62106" /> document, from CENELEC.</para> |
| 3654 | </section> | 3920 | </section> |
| 3655 | 3921 | ||
| 3656 | <section id="flash-controls"> | 3922 | <section id="flash-controls"> |
| @@ -3717,232 +3983,231 @@ interface and may change in the future.</para> · 60 unmodified lines | |||
| 3717 | use case involving camera or individually. | 3983 | use case involving camera or individually. |
| 3718 | </para> | 3984 | </para> |
| 3719 | 3985 | ||
| 3720 | </section> | ||
| 3721 | 3986 | ||
| 3987 | <table pgwide="1" frame="none" id="flash-control-id"> | ||
| 3988 | <title>Flash Control IDs</title> | ||
| 3989 | |||
| 3990 | <tgroup cols="4"> | ||
| 3991 | <colspec colname="c1" colwidth="1*" /> | ||
| 3992 | <colspec colname="c2" colwidth="6*" /> | ||
| 3993 | <colspec colname="c3" colwidth="2*" /> | ||
| 3994 | <colspec colname="c4" colwidth="6*" /> | ||
| 3995 | <spanspec namest="c1" nameend="c2" spanname="id" /> | ||
| 3996 | <spanspec namest="c2" nameend="c4" spanname="descr" /> | ||
| 3997 | <thead> | ||
| 3998 | <row> | ||
| 3999 | <entry spanname="id" align="left">ID</entry> | ||
| 4000 | <entry align="left">Type</entry> | ||
| 4001 | </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry> | ||
| 4002 | </row> | ||
| 4003 | </thead> | ||
| 4004 | <tbody valign="top"> | ||
| 4005 | <row><entry></entry></row> | ||
| 4006 | <row> | ||
| 4007 | <entry spanname="id"><constant>V4L2_CID_FLASH_CLASS</constant></entry> | ||
| 4008 | <entry>class</entry> | ||
| 4009 | </row> | ||
| 4010 | <row> | ||
| 4011 | <entry spanname="descr">The FLASH class descriptor.</entry> | ||
| 4012 | </row> | ||
| 4013 | <row> | ||
| 4014 | <entry spanname="id"><constant>V4L2_CID_FLASH_LED_MODE</constant></entry> | ||
| 4015 | <entry>menu</entry> | ||
| 4016 | </row> | ||
| 4017 | <row id="v4l2-flash-led-mode"> | ||
| 4018 | <entry spanname="descr">Defines the mode of the flash LED, | ||
| 4019 | the high-power white LED attached to the flash controller. | ||
| 4020 | Setting this control may not be possible in presence of | ||
| 4021 | some faults. See V4L2_CID_FLASH_FAULT.</entry> | ||
| 4022 | </row> | ||
| 4023 | <row> | ||
| 4024 | <entrytbl spanname="descr" cols="2"> | ||
| 4025 | <tbody valign="top"> | ||
| 4026 | <row> | ||
| 4027 | <entry><constant>V4L2_FLASH_LED_MODE_NONE</constant></entry> | ||
| 4028 | <entry>Off.</entry> | ||
| 4029 | </row> | ||
| 4030 | <row> | ||
| 4031 | <entry><constant>V4L2_FLASH_LED_MODE_FLASH</constant></entry> | ||
| 4032 | <entry>Flash mode.</entry> | ||
| 4033 | </row> | ||
| 4034 | <row> | ||
| 4035 | <entry><constant>V4L2_FLASH_LED_MODE_TORCH</constant></entry> | ||
| 4036 | <entry>Torch mode. See V4L2_CID_FLASH_TORCH_INTENSITY.</entry> | ||
| 4037 | </row> | ||
| 4038 | </tbody> | ||
| 4039 | </entrytbl> | ||
| 4040 | </row> | ||
| 4041 | <row> | ||
| 4042 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_SOURCE</constant></entry> | ||
| 4043 | <entry>menu</entry> | ||
| 4044 | </row> | ||
| 4045 | <row id="v4l2-flash-strobe-source"><entry | ||
| 4046 | spanname="descr">Defines the source of the flash LED | ||
| 4047 | strobe.</entry> | ||
| 4048 | </row> | ||
| 4049 | <row> | ||
| 4050 | <entrytbl spanname="descr" cols="2"> | ||
| 4051 | <tbody valign="top"> | ||
| 4052 | <row> | ||
| 4053 | <entry><constant>V4L2_FLASH_STROBE_SOURCE_SOFTWARE</constant></entry> | ||
| 4054 | <entry>The flash strobe is triggered by using | ||
| 4055 | the V4L2_CID_FLASH_STROBE control.</entry> | ||
| 4056 | </row> | ||
| 4057 | <row> | ||
| 4058 | <entry><constant>V4L2_FLASH_STROBE_SOURCE_EXTERNAL</constant></entry> | ||
| 4059 | <entry>The flash strobe is triggered by an | ||
| 4060 | external source. Typically this is a sensor, | ||
| 4061 | which makes it possible to synchronises the | ||
| 4062 | flash strobe start to exposure start.</entry> | ||
| 4063 | </row> | ||
| 4064 | </tbody> | ||
| 4065 | </entrytbl> | ||
| 4066 | </row> | ||
| 4067 | <row> | ||
| 4068 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE</constant></entry> | ||
| 4069 | <entry>button</entry> | ||
| 4070 | </row> | ||
| 4071 | <row> | ||
| 4072 | <entry spanname="descr">Strobe flash. Valid when | ||
| 4073 | V4L2_CID_FLASH_LED_MODE is set to | ||
| 4074 | V4L2_FLASH_LED_MODE_FLASH and V4L2_CID_FLASH_STROBE_SOURCE | ||
| 4075 | is set to V4L2_FLASH_STROBE_SOURCE_SOFTWARE. Setting this | ||
| 4076 | control may not be possible in presence of some faults. | ||
| 4077 | See V4L2_CID_FLASH_FAULT.</entry> | ||
| 4078 | </row> | ||
| 4079 | <row> | ||
| 4080 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_STOP</constant></entry> | ||
| 4081 | <entry>button</entry> | ||
| 4082 | </row> | ||
| 4083 | <row><entry spanname="descr">Stop flash strobe immediately.</entry> | ||
| 4084 | </row> | ||
| 4085 | <row> | ||
| 4086 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_STATUS</constant></entry> | ||
| 4087 | <entry>boolean</entry> | ||
| 4088 | </row> | ||
| 4089 | <row> | ||
| 4090 | <entry spanname="descr">Strobe status: whether the flash | ||
| 4091 | is strobing at the moment or not. This is a read-only | ||
| 4092 | control.</entry> | ||
| 4093 | </row> | ||
| 4094 | <row> | ||
| 4095 | <entry spanname="id"><constant>V4L2_CID_FLASH_TIMEOUT</constant></entry> | ||
| 4096 | <entry>integer</entry> | ||
| 4097 | </row> | ||
| 4098 | <row> | ||
| 4099 | <entry spanname="descr">Hardware timeout for flash. The | ||
| 4100 | flash strobe is stopped after this period of time has | ||
| 4101 | passed from the start of the strobe.</entry> | ||
| 4102 | </row> | ||
| 4103 | <row> | ||
| 4104 | <entry spanname="id"><constant>V4L2_CID_FLASH_INTENSITY</constant></entry> | ||
| 4105 | <entry>integer</entry> | ||
| 4106 | </row> | ||
| 4107 | <row> | ||
| 4108 | <entry spanname="descr">Intensity of the flash strobe when | ||
| 4109 | the flash LED is in flash mode | ||
| 4110 | (V4L2_FLASH_LED_MODE_FLASH). The unit should be milliamps | ||
| 4111 | (mA) if possible.</entry> | ||
| 4112 | </row> | ||
| 4113 | <row> | ||
| 4114 | <entry spanname="id"><constant>V4L2_CID_FLASH_TORCH_INTENSITY</constant></entry> | ||
| 4115 | <entry>integer</entry> | ||
| 4116 | </row> | ||
| 4117 | <row> | ||
| 4118 | <entry spanname="descr">Intensity of the flash LED in | ||
| 4119 | torch mode (V4L2_FLASH_LED_MODE_TORCH). The unit should be | ||
| 4120 | milliamps (mA) if possible. Setting this control may not | ||
| 4121 | be possible in presence of some faults. See | ||
| 4122 | V4L2_CID_FLASH_FAULT.</entry> | ||
| 4123 | </row> | ||
| 4124 | <row> | ||
| 4125 | <entry spanname="id"><constant>V4L2_CID_FLASH_INDICATOR_INTENSITY</constant></entry> | ||
| 4126 | <entry>integer</entry> | ||
| 4127 | </row> | ||
| 4128 | <row> | ||
| 4129 | <entry spanname="descr">Intensity of the indicator LED. | ||
| 4130 | The indicator LED may be fully independent of the flash | ||
| 4131 | LED. The unit should be microamps (uA) if possible.</entry> | ||
| 4132 | </row> | ||
| 4133 | <row> | ||
| 4134 | <entry spanname="id"><constant>V4L2_CID_FLASH_FAULT</constant></entry> | ||
| 4135 | <entry>bitmask</entry> | ||
| 4136 | </row> | ||
| 4137 | <row> | ||
| 4138 | <entry spanname="descr">Faults related to the flash. The | ||
| 4139 | faults tell about specific problems in the flash chip | ||
| 4140 | itself or the LEDs attached to it. Faults may prevent | ||
| 4141 | further use of some of the flash controls. In particular, | ||
| 4142 | V4L2_CID_FLASH_LED_MODE is set to V4L2_FLASH_LED_MODE_NONE | ||
| 4143 | if the fault affects the flash LED. Exactly which faults | ||
| 4144 | have such an effect is chip dependent. Reading the faults | ||
| 4145 | resets the control and returns the chip to a usable state | ||
| 4146 | if possible.</entry> | ||
| 4147 | </row> | ||
| 4148 | <row> | ||
| 4149 | <entrytbl spanname="descr" cols="2"> | ||
| 4150 | <tbody valign="top"> | ||
| 4151 | <row> | ||
| 4152 | <entry><constant>V4L2_FLASH_FAULT_OVER_VOLTAGE</constant></entry> | ||
| 4153 | <entry>Flash controller voltage to the flash LED | ||
| 4154 | has exceeded the limit specific to the flash | ||
| 4155 | controller.</entry> | ||
| 4156 | </row> | ||
| 4157 | <row> | ||
| 4158 | <entry><constant>V4L2_FLASH_FAULT_TIMEOUT</constant></entry> | ||
| 4159 | <entry>The flash strobe was still on when | ||
| 4160 | the timeout set by the user --- | ||
| 4161 | V4L2_CID_FLASH_TIMEOUT control --- has expired. | ||
| 4162 | Not all flash controllers may set this in all | ||
| 4163 | such conditions.</entry> | ||
| 4164 | </row> | ||
| 4165 | <row> | ||
| 4166 | <entry><constant>V4L2_FLASH_FAULT_OVER_TEMPERATURE</constant></entry> | ||
| 4167 | <entry>The flash controller has overheated.</entry> | ||
| 4168 | </row> | ||
| 4169 | <row> | ||
| 4170 | <entry><constant>V4L2_FLASH_FAULT_SHORT_CIRCUIT</constant></entry> | ||
| 4171 | <entry>The short circuit protection of the flash | ||
| 4172 | controller has been triggered.</entry> | ||
| 4173 | </row> | ||
| 4174 | <row> | ||
| 4175 | <entry><constant>V4L2_FLASH_FAULT_OVER_CURRENT</constant></entry> | ||
| 4176 | <entry>Current in the LED power supply has exceeded the limit | ||
| 4177 | specific to the flash controller.</entry> | ||
| 4178 | </row> | ||
| 4179 | <row> | ||
| 4180 | <entry><constant>V4L2_FLASH_FAULT_INDICATOR</constant></entry> | ||
| 4181 | <entry>The flash controller has detected a short or open | ||
| 4182 | circuit condition on the indicator LED.</entry> | ||
| 4183 | </row> | ||
| 4184 | </tbody> | ||
| 4185 | </entrytbl> | ||
| 4186 | </row> | ||
| 4187 | <row> | ||
| 4188 | <entry spanname="id"><constant>V4L2_CID_FLASH_CHARGE</constant></entry> | ||
| 4189 | <entry>boolean</entry> | ||
| 4190 | </row> | ||
| 4191 | <row><entry spanname="descr">Enable or disable charging of the xenon | ||
| 4192 | flash capacitor.</entry> | ||
| 4193 | </row> | ||
| 4194 | <row> | ||
| 4195 | <entry spanname="id"><constant>V4L2_CID_FLASH_READY</constant></entry> | ||
| 4196 | <entry>boolean</entry> | ||
| 4197 | </row> | ||
| 4198 | <row> | ||
| 4199 | <entry spanname="descr">Is the flash ready to strobe? | ||
| 4200 | Xenon flashes require their capacitors charged before | ||
| 4201 | strobing. LED flashes often require a cooldown period | ||
| 4202 | after strobe during which another strobe will not be | ||
| 4203 | possible. This is a read-only control.</entry> | ||
| 4204 | </row> | ||
| 4205 | <row><entry></entry></row> | ||
| 4206 | </tbody> | ||
| 4207 | </tgroup> | ||
| 4208 | </table> | ||
| 4209 | </section> | ||
| 3722 | </section> | 4210 | </section> |
| 3723 | |||
| 3724 | <table pgwide="1" frame="none" id="flash-control-id"> | ||
| 3725 | <title>Flash Control IDs</title> | ||
| 3726 | |||
| 3727 | <tgroup cols="4"> | ||
| 3728 | <colspec colname="c1" colwidth="1*" /> | ||
| 3729 | <colspec colname="c2" colwidth="6*" /> | ||
| 3730 | <colspec colname="c3" colwidth="2*" /> | ||
| 3731 | <colspec colname="c4" colwidth="6*" /> | ||
| 3732 | <spanspec namest="c1" nameend="c2" spanname="id" /> | ||
| 3733 | <spanspec namest="c2" nameend="c4" spanname="descr" /> | ||
| 3734 | <thead> | ||
| 3735 | <row> | ||
| 3736 | <entry spanname="id" align="left">ID</entry> | ||
| 3737 | <entry align="left">Type</entry> | ||
| 3738 | </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry> | ||
| 3739 | </row> | ||
| 3740 | </thead> | ||
| 3741 | <tbody valign="top"> | ||
| 3742 | <row><entry></entry></row> | ||
| 3743 | <row> | ||
| 3744 | <entry spanname="id"><constant>V4L2_CID_FLASH_CLASS</constant></entry> | ||
| 3745 | <entry>class</entry> | ||
| 3746 | </row> | ||
| 3747 | <row> | ||
| 3748 | <entry spanname="descr">The FLASH class descriptor.</entry> | ||
| 3749 | </row> | ||
| 3750 | <row> | ||
| 3751 | <entry spanname="id"><constant>V4L2_CID_FLASH_LED_MODE</constant></entry> | ||
| 3752 | <entry>menu</entry> | ||
| 3753 | </row> | ||
| 3754 | <row id="v4l2-flash-led-mode"> | ||
| 3755 | <entry spanname="descr">Defines the mode of the flash LED, | ||
| 3756 | the high-power white LED attached to the flash controller. | ||
| 3757 | Setting this control may not be possible in presence of | ||
| 3758 | some faults. See V4L2_CID_FLASH_FAULT.</entry> | ||
| 3759 | </row> | ||
| 3760 | <row> | ||
| 3761 | <entrytbl spanname="descr" cols="2"> | ||
| 3762 | <tbody valign="top"> | ||
| 3763 | <row> | ||
| 3764 | <entry><constant>V4L2_FLASH_LED_MODE_NONE</constant></entry> | ||
| 3765 | <entry>Off.</entry> | ||
| 3766 | </row> | ||
| 3767 | <row> | ||
| 3768 | <entry><constant>V4L2_FLASH_LED_MODE_FLASH</constant></entry> | ||
| 3769 | <entry>Flash mode.</entry> | ||
| 3770 | </row> | ||
| 3771 | <row> | ||
| 3772 | <entry><constant>V4L2_FLASH_LED_MODE_TORCH</constant></entry> | ||
| 3773 | <entry>Torch mode. See V4L2_CID_FLASH_TORCH_INTENSITY.</entry> | ||
| 3774 | </row> | ||
| 3775 | </tbody> | ||
| 3776 | </entrytbl> | ||
| 3777 | </row> | ||
| 3778 | <row> | ||
| 3779 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_SOURCE</constant></entry> | ||
| 3780 | <entry>menu</entry> | ||
| 3781 | </row> | ||
| 3782 | <row id="v4l2-flash-strobe-source"><entry | ||
| 3783 | spanname="descr">Defines the source of the flash LED | ||
| 3784 | strobe.</entry> | ||
| 3785 | </row> | ||
| 3786 | <row> | ||
| 3787 | <entrytbl spanname="descr" cols="2"> | ||
| 3788 | <tbody valign="top"> | ||
| 3789 | <row> | ||
| 3790 | <entry><constant>V4L2_FLASH_STROBE_SOURCE_SOFTWARE</constant></entry> | ||
| 3791 | <entry>The flash strobe is triggered by using | ||
| 3792 | the V4L2_CID_FLASH_STROBE control.</entry> | ||
| 3793 | </row> | ||
| 3794 | <row> | ||
| 3795 | <entry><constant>V4L2_FLASH_STROBE_SOURCE_EXTERNAL</constant></entry> | ||
| 3796 | <entry>The flash strobe is triggered by an | ||
| 3797 | external source. Typically this is a sensor, | ||
| 3798 | which makes it possible to synchronises the | ||
| 3799 | flash strobe start to exposure start.</entry> | ||
| 3800 | </row> | ||
| 3801 | </tbody> | ||
| 3802 | </entrytbl> | ||
| 3803 | </row> | ||
| 3804 | <row> | ||
| 3805 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE</constant></entry> | ||
| 3806 | <entry>button</entry> | ||
| 3807 | </row> | ||
| 3808 | <row> | ||
| 3809 | <entry spanname="descr">Strobe flash. Valid when | ||
| 3810 | V4L2_CID_FLASH_LED_MODE is set to | ||
| 3811 | V4L2_FLASH_LED_MODE_FLASH and V4L2_CID_FLASH_STROBE_SOURCE | ||
| 3812 | is set to V4L2_FLASH_STROBE_SOURCE_SOFTWARE. Setting this | ||
| 3813 | control may not be possible in presence of some faults. | ||
| 3814 | See V4L2_CID_FLASH_FAULT.</entry> | ||
| 3815 | </row> | ||
| 3816 | <row> | ||
| 3817 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_STOP</constant></entry> | ||
| 3818 | <entry>button</entry> | ||
| 3819 | </row> | ||
| 3820 | <row><entry spanname="descr">Stop flash strobe immediately.</entry> | ||
| 3821 | </row> | ||
| 3822 | <row> | ||
| 3823 | <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_STATUS</constant></entry> | ||
| 3824 | <entry>boolean</entry> | ||
| 3825 | </row> | ||
| 3826 | <row> | ||
| 3827 | <entry spanname="descr">Strobe status: whether the flash | ||
| 3828 | is strobing at the moment or not. This is a read-only | ||
| 3829 | control.</entry> | ||
| 3830 | </row> | ||
| 3831 | <row> | ||
| 3832 | <entry spanname="id"><constant>V4L2_CID_FLASH_TIMEOUT</constant></entry> | ||
| 3833 | <entry>integer</entry> | ||
| 3834 | </row> | ||
| 3835 | <row> | ||
| 3836 | <entry spanname="descr">Hardware timeout for flash. The | ||
| 3837 | flash strobe is stopped after this period of time has | ||
| 3838 | passed from the start of the strobe.</entry> | ||
| 3839 | </row> | ||
| 3840 | <row> | ||
| 3841 | <entry spanname="id"><constant>V4L2_CID_FLASH_INTENSITY</constant></entry> | ||
| 3842 | <entry>integer</entry> | ||
| 3843 | </row> | ||
| 3844 | <row> | ||
| 3845 | <entry spanname="descr">Intensity of the flash strobe when | ||
| 3846 | the flash LED is in flash mode | ||
| 3847 | (V4L2_FLASH_LED_MODE_FLASH). The unit should be milliamps | ||
| 3848 | (mA) if possible.</entry> | ||
| 3849 | </row> | ||
| 3850 | <row> | ||
| 3851 | <entry spanname="id"><constant>V4L2_CID_FLASH_TORCH_INTENSITY</constant></entry> | ||
| 3852 | <entry>integer</entry> | ||
| 3853 | </row> | ||
| 3854 | <row> | ||
| 3855 | <entry spanname="descr">Intensity of the flash LED in | ||
| 3856 | torch mode (V4L2_FLASH_LED_MODE_TORCH). The unit should be | ||
| 3857 | milliamps (mA) if possible. Setting this control may not | ||
| 3858 | be possible in presence of some faults. See | ||
| 3859 | V4L2_CID_FLASH_FAULT.</entry> | ||
| 3860 | </row> | ||
| 3861 | <row> | ||
| 3862 | <entry spanname="id"><constant>V4L2_CID_FLASH_INDICATOR_INTENSITY</constant></entry> | ||
| 3863 | <entry>integer</entry> | ||
| 3864 | </row> | ||
| 3865 | <row> | ||
| 3866 | <entry spanname="descr">Intensity of the indicator LED. | ||
| 3867 | The indicator LED may be fully independent of the flash | ||
| 3868 | LED. The unit should be microamps (uA) if possible.</entry> | ||
| 3869 | </row> | ||
| 3870 | <row> | ||
| 3871 | <entry spanname="id"><constant>V4L2_CID_FLASH_FAULT</constant></entry> | ||
| 3872 | <entry>bitmask</entry> | ||
| 3873 | </row> | ||
| 3874 | <row> | ||
| 3875 | <entry spanname="descr">Faults related to the flash. The | ||
| 3876 | faults tell about specific problems in the flash chip | ||
| 3877 | itself or the LEDs attached to it. Faults may prevent | ||
| 3878 | further use of some of the flash controls. In particular, | ||
| 3879 | V4L2_CID_FLASH_LED_MODE is set to V4L2_FLASH_LED_MODE_NONE | ||
| 3880 | if the fault affects the flash LED. Exactly which faults | ||
| 3881 | have such an effect is chip dependent. Reading the faults | ||
| 3882 | resets the control and returns the chip to a usable state | ||
| 3883 | if possible.</entry> | ||
| 3884 | </row> | ||
| 3885 | <row> | ||
| 3886 | <entrytbl spanname="descr" cols="2"> | ||
| 3887 | <tbody valign="top"> | ||
| 3888 | <row> | ||
| 3889 | <entry><constant>V4L2_FLASH_FAULT_OVER_VOLTAGE</constant></entry> | ||
| 3890 | <entry>Flash controller voltage to the flash LED | ||
| 3891 | has exceeded the limit specific to the flash | ||
| 3892 | controller.</entry> | ||
| 3893 | </row> | ||
| 3894 | <row> | ||
| 3895 | <entry><constant>V4L2_FLASH_FAULT_TIMEOUT</constant></entry> | ||
| 3896 | <entry>The flash strobe was still on when | ||
| 3897 | the timeout set by the user --- | ||
| 3898 | V4L2_CID_FLASH_TIMEOUT control --- has expired. | ||
| 3899 | Not all flash controllers may set this in all | ||
| 3900 | such conditions.</entry> | ||
| 3901 | </row> | ||
| 3902 | <row> | ||
| 3903 | <entry><constant>V4L2_FLASH_FAULT_OVER_TEMPERATURE</constant></entry> | ||
| 3904 | <entry>The flash controller has overheated.</entry> | ||
| 3905 | </row> | ||
| 3906 | <row> | ||
| 3907 | <entry><constant>V4L2_FLASH_FAULT_SHORT_CIRCUIT</constant></entry> | ||
| 3908 | <entry>The short circuit protection of the flash | ||
| 3909 | controller has been triggered.</entry> | ||
| 3910 | </row> | ||
| 3911 | <row> | ||
| 3912 | <entry><constant>V4L2_FLASH_FAULT_OVER_CURRENT</constant></entry> | ||
| 3913 | <entry>Current in the LED power supply has exceeded the limit | ||
| 3914 | specific to the flash controller.</entry> | ||
| 3915 | </row> | ||
| 3916 | <row> | ||
| 3917 | <entry><constant>V4L2_FLASH_FAULT_INDICATOR</constant></entry> | ||
| 3918 | <entry>The flash controller has detected a short or open | ||
| 3919 | circuit condition on the indicator LED.</entry> | ||
| 3920 | </row> | ||
| 3921 | </tbody> | ||
| 3922 | </entrytbl> | ||
| 3923 | </row> | ||
| 3924 | <row> | ||
| 3925 | <entry spanname="id"><constant>V4L2_CID_FLASH_CHARGE</constant></entry> | ||
| 3926 | <entry>boolean</entry> | ||
| 3927 | </row> | ||
| 3928 | <row><entry spanname="descr">Enable or disable charging of the xenon | ||
| 3929 | flash capacitor.</entry> | ||
| 3930 | </row> | ||
| 3931 | <row> | ||
| 3932 | <entry spanname="id"><constant>V4L2_CID_FLASH_READY</constant></entry> | ||
| 3933 | <entry>boolean</entry> | ||
| 3934 | </row> | ||
| 3935 | <row> | ||
| 3936 | <entry spanname="descr">Is the flash ready to strobe? | ||
| 3937 | Xenon flashes require their capacitors charged before | ||
| 3938 | strobing. LED flashes often require a cooldown period | ||
| 3939 | after strobe during which another strobe will not be | ||
| 3940 | possible. This is a read-only control.</entry> | ||
| 3941 | </row> | ||
| 3942 | <row><entry></entry></row> | ||
| 3943 | </tbody> | ||
| 3944 | </tgroup> | ||
| 3945 | </table> | ||
| 3946 | </section> | 4211 | </section> |
| 3947 | 4212 | ||
| 3948 | <section id="jpeg-controls"> | 4213 | <section id="jpeg-controls"> |
| @@ -4268,6 +4533,177 @@ interface and may change in the future.</para> · 319 unmodified lines | |||
| 4268 | pixels / second. | 4533 | pixels / second. |
| 4269 | </entry> | 4534 | </entry> |
| 4270 | </row> | 4535 | </row> |
| 4536 | <row> | ||
| 4537 | <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN</constant></entry> | ||
| 4538 | <entry>menu</entry> | ||
| 4539 | </row> | ||
| 4540 | <row id="v4l2-test-pattern"> | ||
| 4541 | <entry spanname="descr"> Some capture/display/sensor devices have | ||
| 4542 | the capability to generate test pattern images. These hardware | ||
| 4543 | specific test patterns can be used to test if a device is working | ||
| 4544 | properly.</entry> | ||
| 4545 | </row> | ||
| 4546 | <row><entry></entry></row> | ||
| 4547 | </tbody> | ||
| 4548 | </tgroup> | ||
| 4549 | </table> | ||
| 4550 | |||
| 4551 | </section> | ||
| 4552 | |||
| 4553 | <section id="dv-controls"> | ||
| 4554 | <title>Digital Video Control Reference</title> | ||
| 4555 | |||
| 4556 | <note> | ||
| 4557 | <title>Experimental</title> | ||
| 4558 | |||
| 4559 | <para>This is an <link | ||
| 4560 | linkend="experimental">experimental</link> interface and may | ||
| 4561 | change in the future.</para> | ||
| 4562 | </note> | ||
| 4563 | |||
| 4564 | <para> | ||
| 4565 | The Digital Video control class is intended to control receivers | ||
| 4566 | and transmitters for <ulink url="http://en.wikipedia.org/wiki/Vga">VGA</ulink>, | ||
| 4567 | <ulink url="http://en.wikipedia.org/wiki/Digital_Visual_Interface">DVI</ulink> | ||
| 4568 | (Digital Visual Interface), HDMI (<xref linkend="hdmi" />) and DisplayPort (<xref linkend="dp" />). | ||
| 4569 | These controls are generally expected to be private to the receiver or transmitter | ||
| 4570 | subdevice that implements them, so they are only exposed on the | ||
| 4571 | <filename>/dev/v4l-subdev*</filename> device node. | ||
| 4572 | </para> | ||
| 4573 | |||
| 4574 | <para>Note that these devices can have multiple input or output pads which are | ||
| 4575 | hooked up to e.g. HDMI connectors. Even though the subdevice will receive or | ||
| 4576 | transmit video from/to only one of those pads, the other pads can still be | ||
| 4577 | active when it comes to EDID (Extended Display Identification Data, | ||
| 4578 | <xref linkend="vesaedid" />) and HDCP (High-bandwidth Digital Content | ||
| 4579 | Protection System, <xref linkend="hdcp" />) processing, allowing the device | ||
| 4580 | to do the fairly slow EDID/HDCP handling in advance. This allows for quick | ||
| 4581 | switching between connectors.</para> | ||
| 4582 | |||
| 4583 | <para>These pads appear in several of the controls in this section as | ||
| 4584 | bitmasks, one bit for each pad. Bit 0 corresponds to pad 0, bit 1 to pad 1, | ||
| 4585 | etc. The maximum value of the control is the set of valid pads.</para> | ||
| 4586 | |||
| 4587 | <table pgwide="1" frame="none" id="dv-control-id"> | ||
| 4588 | <title>Digital Video Control IDs</title> | ||
| 4589 | |||
| 4590 | <tgroup cols="4"> | ||
| 4591 | <colspec colname="c1" colwidth="1*" /> | ||
| 4592 | <colspec colname="c2" colwidth="6*" /> | ||
| 4593 | <colspec colname="c3" colwidth="2*" /> | ||
| 4594 | <colspec colname="c4" colwidth="6*" /> | ||
| 4595 | <spanspec namest="c1" nameend="c2" spanname="id" /> | ||
| 4596 | <spanspec namest="c2" nameend="c4" spanname="descr" /> | ||
| 4597 | <thead> | ||
| 4598 | <row> | ||
| 4599 | <entry spanname="id" align="left">ID</entry> | ||
| 4600 | <entry align="left">Type</entry> | ||
| 4601 | </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry> | ||
| 4602 | </row> | ||
| 4603 | </thead> | ||
| 4604 | <tbody valign="top"> | ||
| 4605 | <row><entry></entry></row> | ||
| 4606 | <row> | ||
| 4607 | <entry spanname="id"><constant>V4L2_CID_DV_CLASS</constant></entry> | ||
| 4608 | <entry>class</entry> | ||
| 4609 | </row> | ||
| 4610 | <row> | ||
| 4611 | <entry spanname="descr">The Digital Video class descriptor.</entry> | ||
| 4612 | </row> | ||
| 4613 | <row> | ||
| 4614 | <entry spanname="id"><constant>V4L2_CID_DV_TX_HOTPLUG</constant></entry> | ||
| 4615 | <entry>bitmask</entry> | ||
| 4616 | </row> | ||
| 4617 | <row> | ||
| 4618 | <entry spanname="descr">Many connectors have a hotplug pin which is high | ||
| 4619 | if EDID information is available from the source. This control shows the | ||
| 4620 | state of the hotplug pin as seen by the transmitter. | ||
| 4621 | Each bit corresponds to an output pad on the transmitter. If an output pad | ||
| 4622 | does not have an associated hotplug pin, then the bit for that pad will be 0. | ||
| 4623 | This read-only control is applicable to DVI-D, HDMI and DisplayPort connectors. | ||
| 4624 | </entry> | ||
| 4625 | </row> | ||
| 4626 | <row> | ||
| 4627 | <entry spanname="id"><constant>V4L2_CID_DV_TX_RXSENSE</constant></entry> | ||
| 4628 | <entry>bitmask</entry> | ||
| 4629 | </row> | ||
| 4630 | <row> | ||
| 4631 | <entry spanname="descr">Rx Sense is the detection of pull-ups on the TMDS | ||
| 4632 | clock lines. This normally means that the sink has left/entered standby (i.e. | ||
| 4633 | the transmitter can sense that the receiver is ready to receive video). | ||
| 4634 | Each bit corresponds to an output pad on the transmitter. If an output pad | ||
| 4635 | does not have an associated Rx Sense, then the bit for that pad will be 0. | ||
| 4636 | This read-only control is applicable to DVI-D and HDMI devices. | ||
| 4637 | </entry> | ||
| 4638 | </row> | ||
| 4639 | <row> | ||
| 4640 | <entry spanname="id"><constant>V4L2_CID_DV_TX_EDID_PRESENT</constant></entry> | ||
| 4641 | <entry>bitmask</entry> | ||
| 4642 | </row> | ||
| 4643 | <row> | ||
| 4644 | <entry spanname="descr">When the transmitter sees the hotplug signal from the | ||
| 4645 | receiver it will attempt to read the EDID. If set, then the transmitter has read | ||
| 4646 | at least the first block (= 128 bytes). | ||
| 4647 | Each bit corresponds to an output pad on the transmitter. If an output pad | ||
| 4648 | does not support EDIDs, then the bit for that pad will be 0. | ||
| 4649 | This read-only control is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors. | ||
| 4650 | </entry> | ||
| 4651 | </row> | ||
| 4652 | <row> | ||
| 4653 | <entry spanname="id"><constant>V4L2_CID_DV_TX_MODE</constant></entry> | ||
| 4654 | <entry id="v4l2-dv-tx-mode">enum v4l2_dv_tx_mode</entry> | ||
| 4655 | </row> | ||
| 4656 | <row> | ||
| 4657 | <entry spanname="descr">HDMI transmitters can transmit in DVI-D mode (just video) | ||
| 4658 | or in HDMI mode (video + audio + auxiliary data). This control selects which mode | ||
| 4659 | to use: V4L2_DV_TX_MODE_DVI_D or V4L2_DV_TX_MODE_HDMI. | ||
| 4660 | This control is applicable to HDMI connectors. | ||
| 4661 | </entry> | ||
| 4662 | </row> | ||
| 4663 | <row> | ||
| 4664 | <entry spanname="id"><constant>V4L2_CID_DV_TX_RGB_RANGE</constant></entry> | ||
| 4665 | <entry id="v4l2-dv-rgb-range">enum v4l2_dv_rgb_range</entry> | ||
| 4666 | </row> | ||
| 4667 | <row> | ||
| 4668 | <entry spanname="descr">Select the quantization range for RGB output. V4L2_DV_RANGE_AUTO | ||
| 4669 | follows the RGB quantization range specified in the standard for the video interface | ||
| 4670 | (ie. <xref linkend="cea861" /> for HDMI). V4L2_DV_RANGE_LIMITED and V4L2_DV_RANGE_FULL override the standard | ||
| 4671 | to be compatible with sinks that have not implemented the standard correctly | ||
| 4672 | (unfortunately quite common for HDMI and DVI-D). Full range allows all possible values to be | ||
| 4673 | used whereas limited range sets the range to (16 << (N-8)) - (235 << (N-8)) | ||
| 4674 | where N is the number of bits per component. | ||
| 4675 | This control is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors. | ||
| 4676 | </entry> | ||
| 4677 | </row> | ||
| 4678 | <row> | ||
| 4679 | <entry spanname="id"><constant>V4L2_CID_DV_RX_POWER_PRESENT</constant></entry> | ||
| 4680 | <entry>bitmask</entry> | ||
| 4681 | </row> | ||
| 4682 | <row> | ||
| 4683 | <entry spanname="descr">Detects whether the receiver receives power from the source | ||
| 4684 | (e.g. HDMI carries 5V on one of the pins). This is often used to power an eeprom | ||
| 4685 | which contains EDID information, such that the source can read the EDID even if | ||
| 4686 | the sink is in standby/power off. | ||
| 4687 | Each bit corresponds to an input pad on the transmitter. If an input pad | ||
| 4688 | cannot detect whether power is present, then the bit for that pad will be 0. | ||
| 4689 | This read-only control is applicable to DVI-D, HDMI and DisplayPort connectors. | ||
| 4690 | </entry> | ||
| 4691 | </row> | ||
| 4692 | <row> | ||
| 4693 | <entry spanname="id"><constant>V4L2_CID_DV_RX_RGB_RANGE</constant></entry> | ||
| 4694 | <entry>enum v4l2_dv_rgb_range</entry> | ||
| 4695 | </row> | ||
| 4696 | <row> | ||
| 4697 | <entry spanname="descr">Select the quantization range for RGB input. V4L2_DV_RANGE_AUTO | ||
| 4698 | follows the RGB quantization range specified in the standard for the video interface | ||
| 4699 | (ie. <xref linkend="cea861" /> for HDMI). V4L2_DV_RANGE_LIMITED and V4L2_DV_RANGE_FULL override the standard | ||
| 4700 | to be compatible with sources that have not implemented the standard correctly | ||
| 4701 | (unfortunately quite common for HDMI and DVI-D). Full range allows all possible values to be | ||
| 4702 | used whereas limited range sets the range to (16 << (N-8)) - (235 << (N-8)) | ||
| 4703 | where N is the number of bits per component. | ||
| 4704 | This control is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors. | ||
| 4705 | </entry> | ||
| 4706 | </row> | ||
| 4271 | <row><entry></entry></row> | 4707 | <row><entry></entry></row> |
| 4272 | </tbody> | 4708 | </tbody> |
| 4273 | </tgroup> | 4709 | </tgroup> |
| @@ -1,13 +1,6 @@ | |||
| 1 | <title>Video Output Overlay Interface</title> | 1 | <title>Video Output Overlay Interface</title> |
| 2 | <subtitle>Also known as On-Screen Display (OSD)</subtitle> | 2 | <subtitle>Also known as On-Screen Display (OSD)</subtitle> |
| 3 | 3 | ||
| 4 | <note> | ||
| 5 | <title>Experimental</title> | ||
| 6 | |||
| 7 | <para>This is an <link linkend="experimental">experimental</link> | ||
| 8 | interface and may change in the future.</para> | ||
| 9 | </note> | ||
| 10 | |||
| 11 | <para>Some video output devices can overlay a framebuffer image onto | 4 | <para>Some video output devices can overlay a framebuffer image onto |
| 12 | the outgoing video signal. Applications can set up such an overlay | 5 | the outgoing video signal. Applications can set up such an overlay |
| 13 | using this interface, which borrows structures and ioctls of the <link | 6 | using this interface, which borrows structures and ioctls of the <link |
| @@ -6,7 +6,7 @@ information, on an inaudible audio subcarrier of a radio program. This · 5 unmodified lines | |||
| 6 | interface is aimed at devices capable of receiving and/or transmitting RDS | 6 | interface is aimed at devices capable of receiving and/or transmitting RDS |
| 7 | information.</para> | 7 | information.</para> |
| 8 | 8 | ||
| 9 | <para>For more information see the core RDS standard <xref linkend="en50067" /> | 9 | <para>For more information see the core RDS standard <xref linkend="iec62106" /> |
| 10 | and the RBDS standard <xref linkend="nrsc4" />.</para> | 10 | and the RBDS standard <xref linkend="nrsc4" />.</para> |
| 11 | 11 | ||
| 12 | <para>Note that the RBDS standard as is used in the USA is almost identical | 12 | <para>Note that the RBDS standard as is used in the USA is almost identical |
| @@ -374,29 +374,29 @@ · 373 unmodified lines | |||
| 374 | rectangle --- if it is supported by the hardware.</para> | 374 | rectangle --- if it is supported by the hardware.</para> |
| 375 | 375 | ||
| 376 | <orderedlist> | 376 | <orderedlist> |
| 377 | <listitem>Sink pad format. The user configures the sink pad | 377 | <listitem><para>Sink pad format. The user configures the sink pad |
| 378 | format. This format defines the parameters of the image the | 378 | format. This format defines the parameters of the image the |
| 379 | entity receives through the pad for further processing.</listitem> | 379 | entity receives through the pad for further processing.</para></listitem> |
| 380 | 380 | ||
| 381 | <listitem>Sink pad actual crop selection. The sink pad crop | 381 | <listitem><para>Sink pad actual crop selection. The sink pad crop |
| 382 | defines the crop performed to the sink pad format.</listitem> | 382 | defines the crop performed to the sink pad format.</para></listitem> |
| 383 | 383 | ||
| 384 | <listitem>Sink pad actual compose selection. The size of the | 384 | <listitem><para>Sink pad actual compose selection. The size of the |
| 385 | sink pad compose rectangle defines the scaling ratio compared | 385 | sink pad compose rectangle defines the scaling ratio compared |
| 386 | to the size of the sink pad crop rectangle. The location of | 386 | to the size of the sink pad crop rectangle. The location of |
| 387 | the compose rectangle specifies the location of the actual | 387 | the compose rectangle specifies the location of the actual |
| 388 | sink compose rectangle in the sink compose bounds | 388 | sink compose rectangle in the sink compose bounds |
| 389 | rectangle.</listitem> | 389 | rectangle.</para></listitem> |
| 390 | 390 | ||
| 391 | <listitem>Source pad actual crop selection. Crop on the source | 391 | <listitem><para>Source pad actual crop selection. Crop on the source |
| 392 | pad defines crop performed to the image in the sink compose | 392 | pad defines crop performed to the image in the sink compose |
| 393 | bounds rectangle.</listitem> | 393 | bounds rectangle.</para></listitem> |
| 394 | 394 | ||
| 395 | <listitem>Source pad format. The source pad format defines the | 395 | <listitem><para>Source pad format. The source pad format defines the |
| 396 | output pixel format of the subdev, as well as the other | 396 | output pixel format of the subdev, as well as the other |
| 397 | parameters with the exception of the image width and height. | 397 | parameters with the exception of the image width and height. |
| 398 | Width and height are defined by the size of the source pad | 398 | Width and height are defined by the size of the source pad |
| 399 | actual crop selection.</listitem> | 399 | actual crop selection.</para></listitem> |
| 400 | </orderedlist> | 400 | </orderedlist> |
| 401 | 401 | ||
| 402 | <para>Accessing any of the above rectangles not supported by the | 402 | <para>Accessing any of the above rectangles not supported by the |
| @@ -6,6 +6,15 @@ · 5 unmodified lines | |||
| 6 | &cs-str; | 6 | &cs-str; |
| 7 | <tbody valign="top"> | 7 | <tbody valign="top"> |
| 8 | <!-- Keep it ordered alphabetically --> | 8 | <!-- Keep it ordered alphabetically --> |
| 9 | <row> | ||
| 10 | <entry>EAGAIN (aka EWOULDBLOCK)</entry> | ||
| 11 | <entry>The ioctl can't be handled because the device is in state where | ||
| 12 | it can't perform it. This could happen for example in case where | ||
| 13 | device is sleeping and ioctl is performed to query statistics. | ||
| 14 | It is also returned when the ioctl would need to wait | ||
| 15 | for an event, but the device was opened in non-blocking mode. | ||
| 16 | </entry> | ||
| 17 | </row> | ||
| 9 | <row> | 18 | <row> |
| 10 | <entry>EBADF</entry> | 19 | <entry>EBADF</entry> |
| 11 | <entry>The file descriptor is not a valid.</entry> | 20 | <entry>The file descriptor is not a valid.</entry> |
| @@ -50,22 +59,12 @@ · 38 unmodified lines | |||
| 50 | that this request would overcommit the usb bandwidth reserved | 59 | that this request would overcommit the usb bandwidth reserved |
| 51 | for periodic transfers (up to 80% of the USB bandwidth).</entry> | 60 | for periodic transfers (up to 80% of the USB bandwidth).</entry> |
| 52 | </row> | 61 | </row> |
| 53 | <row> | ||
| 54 | <entry>ENOSYS or EOPNOTSUPP</entry> | ||
| 55 | <entry>Function not available for this device (dvb API only. Will likely | ||
| 56 | be replaced anytime soon by ENOTTY).</entry> | ||
| 57 | </row> | ||
| 58 | <row> | 62 | <row> |
| 59 | <entry>EPERM</entry> | 63 | <entry>EPERM</entry> |
| 60 | <entry>Permission denied. Can be returned if the device needs write | 64 | <entry>Permission denied. Can be returned if the device needs write |
| 61 | permission, or some special capabilities is needed | 65 | permission, or some special capabilities is needed |
| 62 | (e. g. root)</entry> | 66 | (e. g. root)</entry> |
| 63 | </row> | 67 | </row> |
| 64 | <row> | ||
| 65 | <entry>EWOULDBLOCK</entry> | ||
| 66 | <entry>Operation would block. Used when the ioctl would need to wait | ||
| 67 | for an event, but the device was opened in non-blocking mode.</entry> | ||
| 68 | </row> | ||
| 69 | </tbody> | 68 | </tbody> |
| 70 | </tgroup> | 69 | </tgroup> |
| 71 | </table> | 70 | </table> |
| @@ -613,8 +613,8 @@ field is independent of the <structfield>timestamp</structfield> and · 612 unmodified lines | |||
| 613 | <entry>__u32</entry> | 613 | <entry>__u32</entry> |
| 614 | <entry><structfield>sequence</structfield></entry> | 614 | <entry><structfield>sequence</structfield></entry> |
| 615 | <entry></entry> | 615 | <entry></entry> |
| 616 | <entry>Set by the driver, counting the frames in the | 616 | <entry>Set by the driver, counting the frames (not fields!) in |
| 617 | sequence.</entry> | 617 | sequence. This field is set for both input and output devices.</entry> |
| 618 | </row> | 618 | </row> |
| 619 | <row> | 619 | <row> |
| 620 | <entry spanname="hspan"><para>In <link | 620 | <entry spanname="hspan"><para>In <link |
| @@ -677,26 +677,24 @@ memory, set by the application. See <xref linkend="userp" /> for details. · 56 unmodified lines | |||
| 677 | <entry><structfield>length</structfield></entry> | 677 | <entry><structfield>length</structfield></entry> |
| 678 | <entry></entry> | 678 | <entry></entry> |
| 679 | <entry>Size of the buffer (not the payload) in bytes for the | 679 | <entry>Size of the buffer (not the payload) in bytes for the |
| 680 | single-planar API. For the multi-planar API should contain the | 680 | single-planar API. For the multi-planar API the application sets |
| 681 | number of elements in the <structfield>planes</structfield> array. | 681 | this to the number of elements in the <structfield>planes</structfield> |
| 682 | array. The driver will fill in the actual number of valid elements in | ||
| 683 | that array. | ||
| 682 | </entry> | 684 | </entry> |
| 683 | </row> | 685 | </row> |
| 684 | <row> | 686 | <row> |
| 685 | <entry>__u32</entry> | 687 | <entry>__u32</entry> |
| 686 | <entry><structfield>reserved2</structfield></entry> | 688 | <entry><structfield>reserved2</structfield></entry> |
| 687 | <entry></entry> | 689 | <entry></entry> |
| 688 | <entry>A place holder for future extensions and custom | 690 | <entry>A place holder for future extensions. Applications |
| 689 | (driver defined) buffer types | ||
| 690 | <constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher. Applications | ||
| 691 | should set this to 0.</entry> | 691 | should set this to 0.</entry> |
| 692 | </row> | 692 | </row> |
| 693 | <row> | 693 | <row> |
| 694 | <entry>__u32</entry> | 694 | <entry>__u32</entry> |
| 695 | <entry><structfield>reserved</structfield></entry> | 695 | <entry><structfield>reserved</structfield></entry> |
| 696 | <entry></entry> | 696 | <entry></entry> |
| 697 | <entry>A place holder for future extensions and custom | 697 | <entry>A place holder for future extensions. Applications |
| 698 | (driver defined) buffer types | ||
| 699 | <constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher. Applications | ||
| 700 | should set this to 0.</entry> | 698 | should set this to 0.</entry> |
| 701 | </row> | 699 | </row> |
| 702 | </tbody> | 700 | </tbody> |
| @@ -827,14 +825,7 @@ should set this to 0.</entry> · 124 unmodified lines | |||
| 827 | <entry><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant></entry> | 825 | <entry><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant></entry> |
| 828 | <entry>8</entry> | 826 | <entry>8</entry> |
| 829 | <entry>Buffer for video output overlay (OSD), see <xref | 827 | <entry>Buffer for video output overlay (OSD), see <xref |
| 830 | linkend="osd" />. Status: <link | 828 | linkend="osd" />.</entry> |
| 831 | linkend="experimental">Experimental</link>.</entry> | ||
| 832 | </row> | ||
| 833 | <row> | ||
| 834 | <entry><constant>V4L2_BUF_TYPE_PRIVATE</constant></entry> | ||
| 835 | <entry>0x80</entry> | ||
| 836 | <entry>This and higher values are reserved for custom | ||
| 837 | (driver defined) buffer types.</entry> | ||
| 838 | </row> | 829 | </row> |
| 839 | </tbody> | 830 | </tbody> |
| 840 | </tgroup> | 831 | </tgroup> |
| @@ -1,11 +1,13 @@ | |||
| 1 | <refentry id="V4L2-PIX-FMT-NV12M"> | 1 | <refentry> |
| 2 | <refmeta> | 2 | <refmeta> |
| 3 | <refentrytitle>V4L2_PIX_FMT_NV12M ('NM12')</refentrytitle> | 3 | <refentrytitle>V4L2_PIX_FMT_NV12M ('NM12'), V4L2_PIX_FMT_NV21M ('NM21'), V4L2_PIX_FMT_NV12MT_16X16</refentrytitle> |
| 4 | &manvol; | 4 | &manvol; |
| 5 | </refmeta> | 5 | </refmeta> |
| 6 | <refnamediv> | 6 | <refnamediv> |
| 7 | <refname> <constant>V4L2_PIX_FMT_NV12M</constant></refname> | 7 | <refname id="V4L2-PIX-FMT-NV12M"><constant>V4L2_PIX_FMT_NV12M</constant></refname> |
| 8 | <refpurpose>Variation of <constant>V4L2_PIX_FMT_NV12</constant> with planes | 8 | <refname id="V4L2-PIX-FMT-NV21M"><constant>V4L2_PIX_FMT_NV21M</constant></refname> |
| 9 | <refname id="V4L2-PIX-FMT-NV12MT_16X16"><constant>V4L2_PIX_FMT_NV12MT_16X16</constant></refname> | ||
| 10 | <refpurpose>Variation of <constant>V4L2_PIX_FMT_NV12</constant> and <constant>V4L2_PIX_FMT_NV21</constant> with planes | ||
| 9 | non contiguous in memory. </refpurpose> | 11 | non contiguous in memory. </refpurpose> |
| 10 | </refnamediv> | 12 | </refnamediv> |
| 11 | <refsect1> | 13 | <refsect1> |
| @@ -22,7 +24,12 @@ The CbCr plane is the same width, in bytes, as the Y plane (and of the image), · 10 unmodified lines | |||
| 22 | but is half as tall in pixels. Each CbCr pair belongs to four pixels. For example, | 24 | but is half as tall in pixels. Each CbCr pair belongs to four pixels. For example, |
| 23 | Cb<subscript>0</subscript>/Cr<subscript>0</subscript> belongs to | 25 | Cb<subscript>0</subscript>/Cr<subscript>0</subscript> belongs to |
| 24 | Y'<subscript>00</subscript>, Y'<subscript>01</subscript>, | 26 | Y'<subscript>00</subscript>, Y'<subscript>01</subscript>, |
| 25 | Y'<subscript>10</subscript>, Y'<subscript>11</subscript>. </para> | 27 | Y'<subscript>10</subscript>, Y'<subscript>11</subscript>. |
| 28 | <constant>V4L2_PIX_FMT_NV12MT_16X16</constant> is the tiled version of | ||
| 29 | <constant>V4L2_PIX_FMT_NV12M</constant> with 16x16 macroblock tiles. Here pixels | ||
| 30 | are arranged in 16x16 2D tiles and tiles are arranged in linear order in memory. | ||
| 31 | <constant>V4L2_PIX_FMT_NV21M</constant> is the same as <constant>V4L2_PIX_FMT_NV12M</constant> | ||
| 32 | except the Cb and Cr bytes are swapped, the CrCb plane starts with a Cr byte.</para> | ||
| 26 | 33 | ||
| 27 | <para><constant>V4L2_PIX_FMT_NV12M</constant> is intended to be | 34 | <para><constant>V4L2_PIX_FMT_NV12M</constant> is intended to be |
| 28 | used only in drivers and applications that support the multi-planar API, | 35 | used only in drivers and applications that support the multi-planar API, |
| @@ -22,8 +22,7 @@ · 21 unmodified lines | |||
| 22 | with 10 bits per colour compressed to 8 bits each, using DPCM | 22 | with 10 bits per colour compressed to 8 bits each, using DPCM |
| 23 | compression. DPCM, differential pulse-code modulation, is lossy. | 23 | compression. DPCM, differential pulse-code modulation, is lossy. |
| 24 | Each colour component consumes 8 bits of memory. In other respects | 24 | Each colour component consumes 8 bits of memory. In other respects |
| 25 | this format is similar to <xref | 25 | this format is similar to <xref linkend="pixfmt-srggb10" />.</para> |
| 26 | linkend="pixfmt-srggb10">.</xref></para> | ||
| 27 | 26 | ||
| 28 | </refsect1> | 27 | </refsect1> |
| 29 | </refentry> | 28 | </refentry> |
| @@ -0,0 +1,154 @@ | |||
| 1 | <refentry id="V4L2-PIX-FMT-YVU420M"> | ||
| 2 | <refmeta> | ||
| 3 | <refentrytitle>V4L2_PIX_FMT_YVU420M ('YM21')</refentrytitle> | ||
| 4 | &manvol; | ||
| 5 | </refmeta> | ||
| 6 | <refnamediv> | ||
| 7 | <refname> <constant>V4L2_PIX_FMT_YVU420M</constant></refname> | ||
| 8 | <refpurpose>Variation of <constant>V4L2_PIX_FMT_YVU420</constant> | ||
| 9 | with planes non contiguous in memory. </refpurpose> | ||
| 10 | </refnamediv> | ||
| 11 | |||
| 12 | <refsect1> | ||
| 13 | <title>Description</title> | ||
| 14 | |||
| 15 | <para>This is a multi-planar format, as opposed to a packed format. | ||
| 16 | The three components are separated into three sub-images or planes. | ||
| 17 | |||
| 18 | The Y plane is first. The Y plane has one byte per pixel. The Cr data | ||
| 19 | constitutes the second plane which is half the width and half | ||
| 20 | the height of the Y plane (and of the image). Each Cr belongs to four | ||
| 21 | pixels, a two-by-two square of the image. For example, | ||
| 22 | Cr<subscript>0</subscript> belongs to Y'<subscript>00</subscript>, | ||
| 23 | Y'<subscript>01</subscript>, Y'<subscript>10</subscript>, and | ||
| 24 | Y'<subscript>11</subscript>. The Cb data, just like the Cr plane, constitutes | ||
| 25 | the third plane. </para> | ||
| 26 | |||
| 27 | <para>If the Y plane has pad bytes after each row, then the Cr | ||
| 28 | and Cb planes have half as many pad bytes after their rows. In other | ||
| 29 | words, two Cx rows (including padding) is exactly as long as one Y row | ||
| 30 | (including padding).</para> | ||
| 31 | |||
| 32 | <para><constant>V4L2_PIX_FMT_YVU420M</constant> is intended to be | ||
| 33 | used only in drivers and applications that support the multi-planar API, | ||
| 34 | described in <xref linkend="planar-apis"/>. </para> | ||
| 35 | |||
| 36 | <example> | ||
| 37 | <title><constant>V4L2_PIX_FMT_YVU420M</constant> 4 × 4 | ||
| 38 | pixel image</title> | ||
| 39 | |||
| 40 | <formalpara> | ||
| 41 | <title>Byte Order.</title> | ||
| 42 | <para>Each cell is one byte. | ||
| 43 | <informaltable frame="none"> | ||
| 44 | <tgroup cols="5" align="center"> | ||
| 45 | <colspec align="left" colwidth="2*" /> | ||
| 46 | <tbody valign="top"> | ||
| 47 | <row> | ||
| 48 | <entry>start0 + 0:</entry> | ||
| 49 | <entry>Y'<subscript>00</subscript></entry> | ||
| 50 | <entry>Y'<subscript>01</subscript></entry> | ||
| 51 | <entry>Y'<subscript>02</subscript></entry> | ||
| 52 | <entry>Y'<subscript>03</subscript></entry> | ||
| 53 | </row> | ||
| 54 | <row> | ||
| 55 | <entry>start0 + 4:</entry> | ||
| 56 | <entry>Y'<subscript>10</subscript></entry> | ||
| 57 | <entry>Y'<subscript>11</subscript></entry> | ||
| 58 | <entry>Y'<subscript>12</subscript></entry> | ||
| 59 | <entry>Y'<subscript>13</subscript></entry> | ||
| 60 | </row> | ||
| 61 | <row> | ||
| 62 | <entry>start0 + 8:</entry> | ||
| 63 | <entry>Y'<subscript>20</subscript></entry> | ||
| 64 | <entry>Y'<subscript>21</subscript></entry> | ||
| 65 | <entry>Y'<subscript>22</subscript></entry> | ||
| 66 | <entry>Y'<subscript>23</subscript></entry> | ||
| 67 | </row> | ||
| 68 | <row> | ||
| 69 | <entry>start0 + 12:</entry> | ||
| 70 | <entry>Y'<subscript>30</subscript></entry> | ||
| 71 | <entry>Y'<subscript>31</subscript></entry> | ||
| 72 | <entry>Y'<subscript>32</subscript></entry> | ||
| 73 | <entry>Y'<subscript>33</subscript></entry> | ||
| 74 | </row> | ||
| 75 | <row><entry></entry></row> | ||
| 76 | <row> | ||
| 77 | <entry>start1 + 0:</entry> | ||
| 78 | <entry>Cr<subscript>00</subscript></entry> | ||
| 79 | <entry>Cr<subscript>01</subscript></entry> | ||
| 80 | </row> | ||
| 81 | <row> | ||
| 82 | <entry>start1 + 2:</entry> | ||
| 83 | <entry>Cr<subscript>10</subscript></entry> | ||
| 84 | <entry>Cr<subscript>11</subscript></entry> | ||
| 85 | </row> | ||
| 86 | <row><entry></entry></row> | ||
| 87 | <row> | ||
| 88 | <entry>start2 + 0:</entry> | ||
| 89 | <entry>Cb<subscript>00</subscript></entry> | ||
| 90 | <entry>Cb<subscript>01</subscript></entry> | ||
| 91 | </row> | ||
| 92 | <row> | ||
| 93 | <entry>start2 + 2:</entry> | ||
| 94 | <entry>Cb<subscript>10</subscript></entry> | ||
| 95 | <entry>Cb<subscript>11</subscript></entry> | ||
| 96 | </row> | ||
| 97 | </tbody> | ||
| 98 | </tgroup> | ||
| 99 | </informaltable> | ||
| 100 | </para> | ||
| 101 | </formalpara> | ||
| 102 | |||
| 103 | <formalpara> | ||
| 104 | <title>Color Sample Location.</title> | ||
| 105 | <para> | ||
| 106 | <informaltable frame="none"> | ||
| 107 | <tgroup cols="7" align="center"> | ||
| 108 | <tbody valign="top"> | ||
| 109 | <row> | ||
| 110 | <entry></entry> | ||
| 111 | <entry>0</entry><entry></entry><entry>1</entry><entry></entry> | ||
| 112 | <entry>2</entry><entry></entry><entry>3</entry> | ||
| 113 | </row> | ||
| 114 | <row> | ||
| 115 | <entry>0</entry> | ||
| 116 | <entry>Y</entry><entry></entry><entry>Y</entry><entry></entry> | ||
| 117 | <entry>Y</entry><entry></entry><entry>Y</entry> | ||
| 118 | </row> | ||
| 119 | <row> | ||
| 120 | <entry></entry> | ||
| 121 | <entry></entry><entry>C</entry><entry></entry><entry></entry> | ||
| 122 | <entry></entry><entry>C</entry><entry></entry> | ||
| 123 | </row> | ||
| 124 | <row> | ||
| 125 | <entry>1</entry> | ||
| 126 | <entry>Y</entry><entry></entry><entry>Y</entry><entry></entry> | ||
| 127 | <entry>Y</entry><entry></entry><entry>Y</entry> | ||
| 128 | </row> | ||
| 129 | <row> | ||
| 130 | <entry></entry> | ||
| 131 | </row> | ||
| 132 | <row> | ||
| 133 | <entry>2</entry> | ||
| 134 | <entry>Y</entry><entry></entry><entry>Y</entry><entry></entry> | ||
| 135 | <entry>Y</entry><entry></entry><entry>Y</entry> | ||
| 136 | </row> | ||
| 137 | <row> | ||
| 138 | <entry></entry> | ||
| 139 | <entry></entry><entry>C</entry><entry></entry><entry></entry> | ||
| 140 | <entry></entry><entry>C</entry><entry></entry> | ||
| 141 | </row> | ||
| 142 | <row> | ||
| 143 | <entry>3</entry> | ||
| 144 | <entry>Y</entry><entry></entry><entry>Y</entry><entry></entry> | ||
| 145 | <entry>Y</entry><entry></entry><entry>Y</entry> | ||
| 146 | </row> | ||
| 147 | </tbody> | ||
| 148 | </tgroup> | ||
| 149 | </informaltable> | ||
| 150 | </para> | ||
| 151 | </formalpara> | ||
| 152 | </example> | ||
| 153 | </refsect1> | ||
| 154 | </refentry> | ||
| @@ -708,6 +708,7 @@ information.</para> · 707 unmodified lines | |||
| 708 | &sub-y41p; | 708 | &sub-y41p; |
| 709 | &sub-yuv420; | 709 | &sub-yuv420; |
| 710 | &sub-yuv420m; | 710 | &sub-yuv420m; |
| 711 | &sub-yvu420m; | ||
| 711 | &sub-yuv410; | 712 | &sub-yuv410; |
| 712 | &sub-yuv422p; | 713 | &sub-yuv422p; |
| 713 | &sub-yuv411p; | 714 | &sub-yuv411p; |
| @@ -757,6 +758,11 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see · 43 unmodified lines | |||
| 757 | <entry>'AVC1'</entry> | 758 | <entry>'AVC1'</entry> |
| 758 | <entry>H264 video elementary stream without start codes.</entry> | 759 | <entry>H264 video elementary stream without start codes.</entry> |
| 759 | </row> | 760 | </row> |
| 761 | <row id="V4L2-PIX-FMT-H264-MVC"> | ||
| 762 | <entry><constant>V4L2_PIX_FMT_H264_MVC</constant></entry> | ||
| 763 | <entry>'MVC'</entry> | ||
| 764 | <entry>H264 MVC video elementary stream.</entry> | ||
| 765 | </row> | ||
| 760 | <row id="V4L2-PIX-FMT-H263"> | 766 | <row id="V4L2-PIX-FMT-H263"> |
| 761 | <entry><constant>V4L2_PIX_FMT_H263</constant></entry> | 767 | <entry><constant>V4L2_PIX_FMT_H263</constant></entry> |
| 762 | <entry>'H263'</entry> | 768 | <entry>'H263'</entry> |
| @@ -792,6 +798,11 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see · 29 unmodified lines | |||
| 792 | <entry>'VC1L'</entry> | 798 | <entry>'VC1L'</entry> |
| 793 | <entry>VC1, SMPTE 421M Annex L compliant stream.</entry> | 799 | <entry>VC1, SMPTE 421M Annex L compliant stream.</entry> |
| 794 | </row> | 800 | </row> |
| 801 | <row id="V4L2-PIX-FMT-VP8"> | ||
| 802 | <entry><constant>V4L2_PIX_FMT_VP8</constant></entry> | ||
| 803 | <entry>'VP8'</entry> | ||
| 804 | <entry>VP8 video elementary stream.</entry> | ||
| 805 | </row> | ||
| 795 | </tbody> | 806 | </tbody> |
| 796 | </tgroup> | 807 | </tgroup> |
| 797 | </table> | 808 | </table> |
| @@ -995,6 +1006,34 @@ the other bits are set to 0.</entry> · 197 unmodified lines | |||
| 995 | <entry>Old 6-bit greyscale format. Only the most significant 6 bits of each byte are used, | 1006 | <entry>Old 6-bit greyscale format. Only the most significant 6 bits of each byte are used, |
| 996 | the other bits are set to 0.</entry> | 1007 | the other bits are set to 0.</entry> |
| 997 | </row> | 1008 | </row> |
| 1009 | <row id="V4L2-PIX-FMT-S5C-UYVY-JPG"> | ||
| 1010 | <entry><constant>V4L2_PIX_FMT_S5C_UYVY_JPG</constant></entry> | ||
| 1011 | <entry>'S5CI'</entry> | ||
| 1012 | <entry>Two-planar format used by Samsung S5C73MX cameras. The | ||
| 1013 | first plane contains interleaved JPEG and UYVY image data, followed by meta data | ||
| 1014 | in form of an array of offsets to the UYVY data blocks. The actual pointer array | ||
| 1015 | follows immediately the interleaved JPEG/UYVY data, the number of entries in | ||
| 1016 | this array equals the height of the UYVY image. Each entry is a 4-byte unsigned | ||
| 1017 | integer in big endian order and it's an offset to a single pixel line of the | ||
| 1018 | UYVY image. The first plane can start either with JPEG or UYVY data chunk. The | ||
| 1019 | size of a single UYVY block equals the UYVY image's width multiplied by 2. The | ||
| 1020 | size of a JPEG chunk depends on the image and can vary with each line. | ||
| 1021 | <para>The second plane, at an offset of 4084 bytes, contains a 4-byte offset to | ||
| 1022 | the pointer array in the first plane. This offset is followed by a 4-byte value | ||
| 1023 | indicating size of the pointer array. All numbers in the second plane are also | ||
| 1024 | in big endian order. Remaining data in the second plane is undefined. The | ||
| 1025 | information in the second plane allows to easily find location of the pointer | ||
| 1026 | array, which can be different for each frame. The size of the pointer array is | ||
| 1027 | constant for given UYVY image height.</para> | ||
| 1028 | <para>In order to extract UYVY and JPEG frames an application can initially set | ||
| 1029 | a data pointer to the start of first plane and then add an offset from the first | ||
| 1030 | entry of the pointers table. Such a pointer indicates start of an UYVY image | ||
| 1031 | pixel line. Whole UYVY line can be copied to a separate buffer. These steps | ||
| 1032 | should be repeated for each line, i.e. the number of entries in the pointer | ||
| 1033 | array. Anything what's in between the UYVY lines is JPEG data and should be | ||
| 1034 | concatenated to form the JPEG stream. </para> | ||
| 1035 | </entry> | ||
| 1036 | </row> | ||
| 998 | </tbody> | 1037 | </tbody> |
| 999 | </tgroup> | 1038 | </tgroup> |
| 1000 | </table> | 1039 | </table> |
| @@ -40,6 +40,7 @@ cropping and composing rectangles have the same size.</para> · 39 unmodified lines | |||
| 40 | <section> | 40 | <section> |
| 41 | <title>Selection targets</title> | 41 | <title>Selection targets</title> |
| 42 | 42 | ||
| 43 | <para> | ||
| 43 | <figure id="sel-targets-capture"> | 44 | <figure id="sel-targets-capture"> |
| 44 | <title>Cropping and composing targets</title> | 45 | <title>Cropping and composing targets</title> |
| 45 | <mediaobject> | 46 | <mediaobject> |
| @@ -52,12 +53,12 @@ cropping and composing rectangles have the same size.</para> · 6 unmodified lines | |||
| 52 | </textobject> | 53 | </textobject> |
| 53 | </mediaobject> | 54 | </mediaobject> |
| 54 | </figure> | 55 | </figure> |
| 56 | </para> | ||
| 55 | 57 | ||
| 58 | <para>See <xref linkend="v4l2-selection-targets" /> for more | ||
| 59 | information.</para> | ||
| 56 | </section> | 60 | </section> |
| 57 | 61 | ||
| 58 | See <xref linkend="v4l2-selection-targets" /> for more | ||
| 59 | information. | ||
| 60 | |||
| 61 | <section> | 62 | <section> |
| 62 | 63 | ||
| 63 | <title>Configuration</title> | 64 | <title>Configuration</title> |
| @@ -216,18 +217,17 @@ composing and cropping operations by setting the appropriate targets. The V4L2 · 152 unmodified lines | |||
| 216 | API lacks any support for composing to and cropping from an image inside a | 217 | API lacks any support for composing to and cropping from an image inside a |
| 217 | memory buffer. The application could configure a capture device to fill only a | 218 | memory buffer. The application could configure a capture device to fill only a |
| 218 | part of an image by abusing V4L2 API. Cropping a smaller image from a larger | 219 | part of an image by abusing V4L2 API. Cropping a smaller image from a larger |
| 219 | one is achieved by setting the field <structfield> | 220 | one is achieved by setting the field |
| 220 | &v4l2-pix-format;::bytesperline </structfield>. Introducing an image offsets | 221 | &v4l2-pix-format;<structfield>::bytesperline</structfield>. Introducing an image offsets |
| 221 | could be done by modifying field <structfield> &v4l2-buffer;::m:userptr | 222 | could be done by modifying field &v4l2-buffer;<structfield>::m_userptr</structfield> |
| 222 | </structfield> before calling <constant> VIDIOC_QBUF </constant>. Those | 223 | before calling <constant> VIDIOC_QBUF </constant>. Those |
| 223 | operations should be avoided because they are not portable (endianness), and do | 224 | operations should be avoided because they are not portable (endianness), and do |
| 224 | not work for macroblock and Bayer formats and mmap buffers. The selection API | 225 | not work for macroblock and Bayer formats and mmap buffers. The selection API |
| 225 | deals with configuration of buffer cropping/composing in a clear, intuitive and | 226 | deals with configuration of buffer cropping/composing in a clear, intuitive and |
| 226 | portable way. Next, with the selection API the concepts of the padded target | 227 | portable way. Next, with the selection API the concepts of the padded target |
| 227 | and constraints flags are introduced. Finally, <structname> &v4l2-crop; | 228 | and constraints flags are introduced. Finally, &v4l2-crop; and &v4l2-cropcap; |
| 228 | </structname> and <structname> &v4l2-cropcap; </structname> have no reserved | 229 | have no reserved fields. Therefore there is no way to extend their functionality. |
| 229 | fields. Therefore there is no way to extend their functionality. The new | 230 | The new &v4l2-selection; provides a lot of place for future |
| 230 | <structname> &v4l2-selection; </structname> provides a lot of place for future | ||
| 231 | extensions. Driver developers are encouraged to implement only selection API. | 231 | extensions. Driver developers are encouraged to implement only selection API. |
| 232 | The former cropping API would be simulated using the new one. </para> | 232 | The former cropping API would be simulated using the new one. </para> |
| 233 | 233 | ||
| @@ -2565,5 +2565,49 @@ · 2564 unmodified lines | |||
| 2565 | </tgroup> | 2565 | </tgroup> |
| 2566 | </table> | 2566 | </table> |
| 2567 | </section> | 2567 | </section> |
| 2568 | |||
| 2569 | <section id="v4l2-mbus-vendor-spec-fmts"> | ||
| 2570 | <title>Vendor and Device Specific Formats</title> | ||
| 2571 | |||
| 2572 | <note> | ||
| 2573 | <title>Experimental</title> | ||
| 2574 | <para>This is an <link linkend="experimental">experimental</link> | ||
| 2575 | interface and may change in the future.</para> | ||
| 2576 | </note> | ||
| 2577 | |||
| 2578 | <para>This section lists complex data formats that are either vendor or | ||
| 2579 | device specific. | ||
| 2580 | </para> | ||
| 2581 | |||
| 2582 | <para>The following table lists the existing vendor and device specific | ||
| 2583 | formats.</para> | ||
| 2584 | |||
| 2585 | <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-vendor-specific"> | ||
| 2586 | <title>Vendor and device specific formats</title> | ||
| 2587 | <tgroup cols="3"> | ||
| 2588 | <colspec colname="id" align="left" /> | ||
| 2589 | <colspec colname="code" align="left"/> | ||
| 2590 | <colspec colname="remarks" align="left"/> | ||
| 2591 | <thead> | ||
| 2592 | <row> | ||
| 2593 | <entry>Identifier</entry> | ||
| 2594 | <entry>Code</entry> | ||
| 2595 | <entry>Comments</entry> | ||
| 2596 | </row> | ||
| 2597 | </thead> | ||
| 2598 | <tbody valign="top"> | ||
| 2599 | <row id="V4L2-MBUS-FMT-S5C-UYVY-JPEG-1X8"> | ||
| 2600 | <entry>V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8</entry> | ||
| 2601 | <entry>0x5001</entry> | ||
| 2602 | <entry> | ||
| 2603 | Interleaved raw UYVY and JPEG image format with embedded | ||
| 2604 | meta-data used by Samsung S3C73MX camera sensors. | ||
| 2605 | </entry> | ||
| 2606 | </row> | ||
| 2607 | </tbody> | ||
| 2608 | </tgroup> | ||
| 2609 | </table> | ||
| 2610 | </section> | ||
| 2611 | |||
| 2568 | </section> | 2612 | </section> |
| 2569 | </section> | 2613 | </section> |
| @@ -145,9 +145,12 @@ applications. --> · 144 unmodified lines | |||
| 145 | <authorinitials>hv</authorinitials> | 145 | <authorinitials>hv</authorinitials> |
| 146 | <revremark>Added VIDIOC_ENUM_FREQ_BANDS. | 146 | <revremark>Added VIDIOC_ENUM_FREQ_BANDS. |
| 147 | </revremark> | 147 | </revremark> |
| 148 | </revision> | ||
| 149 | |||
| 150 | <revision> | ||
| 148 | <revnumber>3.5</revnumber> | 151 | <revnumber>3.5</revnumber> |
| 149 | <date>2012-05-07</date> | 152 | <date>2012-05-07</date> |
| 150 | <authorinitials>sa, sn</authorinitials> | 153 | <authorinitials>sa, sn, hv</authorinitials> |
| 151 | <revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU and V4L2 subdev | 154 | <revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU and V4L2 subdev |
| 152 | selections API. Improved the description of V4L2_CID_COLORFX | 155 | selections API. Improved the description of V4L2_CID_COLORFX |
| 153 | control, added V4L2_CID_COLORFX_CBCR control. | 156 | control, added V4L2_CID_COLORFX_CBCR control. |
| @@ -158,11 +161,8 @@ applications. --> · 4 unmodified lines | |||
| 158 | V4L2_CID_3A_LOCK, V4L2_CID_AUTO_FOCUS_START, | 161 | V4L2_CID_3A_LOCK, V4L2_CID_AUTO_FOCUS_START, |
| 159 | V4L2_CID_AUTO_FOCUS_STOP, V4L2_CID_AUTO_FOCUS_STATUS | 162 | V4L2_CID_AUTO_FOCUS_STOP, V4L2_CID_AUTO_FOCUS_STATUS |
| 160 | and V4L2_CID_AUTO_FOCUS_RANGE. | 163 | and V4L2_CID_AUTO_FOCUS_RANGE. |
| 161 | </revremark> | 164 | Added VIDIOC_ENUM_DV_TIMINGS, VIDIOC_QUERY_DV_TIMINGS and |
| 162 | <date>2012-05-01</date> | 165 | VIDIOC_DV_TIMINGS_CAP. |
| 163 | <authorinitials>hv</authorinitials> | ||
| 164 | <revremark>Added VIDIOC_ENUM_DV_TIMINGS, VIDIOC_QUERY_DV_TIMINGS and | ||
| 165 | VIDIOC_DV_TIMINGS_CAP. | ||
| 166 | </revremark> | 166 | </revremark> |
| 167 | </revision> | 167 | </revision> |
| 168 | 168 | ||
| @@ -472,7 +472,7 @@ and discussions on the V4L mailing list.</revremark> · 303 unmodified lines | |||
| 472 | </partinfo> | 472 | </partinfo> |
| 473 | 473 | ||
| 474 | <title>Video for Linux Two API Specification</title> | 474 | <title>Video for Linux Two API Specification</title> |
| 475 | <subtitle>Revision 3.5</subtitle> | 475 | <subtitle>Revision 3.6</subtitle> |
| 476 | 476 | ||
| 477 | <chapter id="common"> | 477 | <chapter id="common"> |
| 478 | &sub-common; | 478 | &sub-common; |
| @@ -581,6 +581,7 @@ and discussions on the V4L mailing list.</revremark> · 102 unmodified lines | |||
| 581 | &sub-subdev-enum-frame-size; | 581 | &sub-subdev-enum-frame-size; |
| 582 | &sub-subdev-enum-mbus-code; | 582 | &sub-subdev-enum-mbus-code; |
| 583 | &sub-subdev-g-crop; | 583 | &sub-subdev-g-crop; |
| 584 | &sub-subdev-g-edid; | ||
| 584 | &sub-subdev-g-fmt; | 585 | &sub-subdev-g-fmt; |
| 585 | &sub-subdev-g-frame-interval; | 586 | &sub-subdev-g-frame-interval; |
| 586 | &sub-subdev-g-selection; | 587 | &sub-subdev-g-selection; |
| @@ -59,6 +59,9 @@ constant except when switching the video standard. Remember this · 58 unmodified lines | |||
| 59 | switch can occur implicit when switching the video input or | 59 | switch can occur implicit when switching the video input or |
| 60 | output.</para> | 60 | output.</para> |
| 61 | 61 | ||
| 62 | <para>This ioctl must be implemented for video capture or output devices that | ||
| 63 | support cropping and/or scaling and/or have non-square pixels, and for overlay devices.</para> | ||
| 64 | |||
| 62 | <table pgwide="1" frame="none" id="v4l2-cropcap"> | 65 | <table pgwide="1" frame="none" id="v4l2-cropcap"> |
| 63 | <title>struct <structname>v4l2_cropcap</structname></title> | 66 | <title>struct <structname>v4l2_cropcap</structname></title> |
| 64 | <tgroup cols="3"> | 67 | <tgroup cols="3"> |
| @@ -70,10 +73,10 @@ output.</para> · 5 unmodified lines | |||
| 70 | <entry>Type of the data stream, set by the application. | 73 | <entry>Type of the data stream, set by the application. |
| 71 | Only these types are valid here: | 74 | Only these types are valid here: |
| 72 | <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>, | 75 | <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>, |
| 76 | <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE</constant>, | ||
| 73 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>, | 77 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>, |
| 74 | <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>, and custom (driver | 78 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE</constant> and |
| 75 | defined) types with code <constant>V4L2_BUF_TYPE_PRIVATE</constant> | 79 | <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>. See <xref linkend="v4l2-buf-type" />.</entry> |
| 76 | and higher. See <xref linkend="v4l2-buf-type" />.</entry> | ||
| 77 | </row> | 80 | </row> |
| 78 | <row> | 81 | <row> |
| 79 | <entry>struct <link linkend="v4l2-rect-crop">v4l2_rect</link></entry> | 82 | <entry>struct <link linkend="v4l2-rect-crop">v4l2_rect</link></entry> |
| @@ -156,8 +159,7 @@ on 22 Oct 2002 subject "Re:[V4L][patches!] Re:v4l2/kernel-2.5" --> · 76 unmodified lines | |||
| 156 | <term><errorcode>EINVAL</errorcode></term> | 159 | <term><errorcode>EINVAL</errorcode></term> |
| 157 | <listitem> | 160 | <listitem> |
| 158 | <para>The &v4l2-cropcap; <structfield>type</structfield> is | 161 | <para>The &v4l2-cropcap; <structfield>type</structfield> is |
| 159 | invalid. This is not permitted for video capture, output and overlay devices, | 162 | invalid.</para> |
| 160 | which must support <constant>VIDIOC_CROPCAP</constant>.</para> | ||
| 161 | </listitem> | 163 | </listitem> |
| 162 | </varlistentry> | 164 | </varlistentry> |
| 163 | </variablelist> | 165 | </variablelist> |
| @@ -49,13 +49,6 @@ · 48 unmodified lines | |||
| 49 | <refsect1> | 49 | <refsect1> |
| 50 | <title>Description</title> | 50 | <title>Description</title> |
| 51 | 51 | ||
| 52 | <note> | ||
| 53 | <title>Experimental</title> | ||
| 54 | |||
| 55 | <para>This is an <link linkend="experimental">experimental</link> | ||
| 56 | interface and may change in the future.</para> | ||
| 57 | </note> | ||
| 58 | |||
| 59 | <para>These ioctls control an audio/video (usually MPEG-) decoder. | 52 | <para>These ioctls control an audio/video (usually MPEG-) decoder. |
| 60 | <constant>VIDIOC_DECODER_CMD</constant> sends a command to the | 53 | <constant>VIDIOC_DECODER_CMD</constant> sends a command to the |
| 61 | decoder, <constant>VIDIOC_TRY_DECODER_CMD</constant> can be used to | 54 | decoder, <constant>VIDIOC_TRY_DECODER_CMD</constant> can be used to |
| @@ -49,13 +49,6 @@ · 48 unmodified lines | |||
| 49 | <refsect1> | 49 | <refsect1> |
| 50 | <title>Description</title> | 50 | <title>Description</title> |
| 51 | 51 | ||
| 52 | <note> | ||
| 53 | <title>Experimental</title> | ||
| 54 | |||
| 55 | <para>This is an <link linkend="experimental">experimental</link> | ||
| 56 | interface and may change in the future.</para> | ||
| 57 | </note> | ||
| 58 | |||
| 59 | <para>These ioctls control an audio/video (usually MPEG-) encoder. | 52 | <para>These ioctls control an audio/video (usually MPEG-) encoder. |
| 60 | <constant>VIDIOC_ENCODER_CMD</constant> sends a command to the | 53 | <constant>VIDIOC_ENCODER_CMD</constant> sends a command to the |
| 61 | encoder, <constant>VIDIOC_TRY_ENCODER_CMD</constant> can be used to | 54 | encoder, <constant>VIDIOC_TRY_ENCODER_CMD</constant> can be used to |
| @@ -229,6 +229,12 @@ intended for the user.</entry> · 228 unmodified lines | |||
| 229 | is out of bounds.</para> | 229 | is out of bounds.</para> |
| 230 | </listitem> | 230 | </listitem> |
| 231 | </varlistentry> | 231 | </varlistentry> |
| 232 | <varlistentry> | ||
| 233 | <term><errorcode>ENODATA</errorcode></term> | ||
| 234 | <listitem> | ||
| 235 | <para>Digital video presets are not supported for this input or output.</para> | ||
| 236 | </listitem> | ||
| 237 | </varlistentry> | ||
| 232 | </variablelist> | 238 | </variablelist> |
| 233 | </refsect1> | 239 | </refsect1> |
| 234 | </refentry> | 240 | </refentry> |
| @@ -106,6 +106,12 @@ application.</entry> · 105 unmodified lines | |||
| 106 | is out of bounds.</para> | 106 | is out of bounds.</para> |
| 107 | </listitem> | 107 | </listitem> |
| 108 | </varlistentry> | 108 | </varlistentry> |
| 109 | <varlistentry> | ||
| 110 | <term><errorcode>ENODATA</errorcode></term> | ||
| 111 | <listitem> | ||
| 112 | <para>Digital video presets are not supported for this input or output.</para> | ||
| 113 | </listitem> | ||
| 114 | </varlistentry> | ||
| 109 | </variablelist> | 115 | </variablelist> |
| 110 | </refsect1> | 116 | </refsect1> |
| 111 | </refentry> | 117 | </refentry> |
| @@ -58,6 +58,9 @@ structure. Drivers fill the rest of the structure or return an · 57 unmodified lines | |||
| 58 | incrementing by one until <errorcode>EINVAL</errorcode> is | 58 | incrementing by one until <errorcode>EINVAL</errorcode> is |
| 59 | returned.</para> | 59 | returned.</para> |
| 60 | 60 | ||
| 61 | <para>Note that after switching input or output the list of enumerated image | ||
| 62 | formats may be different.</para> | ||
| 63 | |||
| 61 | <table pgwide="1" frame="none" id="v4l2-fmtdesc"> | 64 | <table pgwide="1" frame="none" id="v4l2-fmtdesc"> |
| 62 | <title>struct <structname>v4l2_fmtdesc</structname></title> | 65 | <title>struct <structname>v4l2_fmtdesc</structname></title> |
| 63 | <tgroup cols="3"> | 66 | <tgroup cols="3"> |
| @@ -78,10 +81,8 @@ Only these types are valid here: · 14 unmodified lines | |||
| 78 | <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>, | 81 | <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>, |
| 79 | <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE</constant>, | 82 | <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE</constant>, |
| 80 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>, | 83 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>, |
| 81 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE</constant>, | 84 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE</constant> and |
| 82 | <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>, and custom (driver | 85 | <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>. See <xref linkend="v4l2-buf-type" />.</entry> |
| 83 | defined) types with code <constant>V4L2_BUF_TYPE_PRIVATE</constant> | ||
| 84 | and higher. See <xref linkend="v4l2-buf-type" />.</entry> | ||
| 85 | </row> | 86 | </row> |
| 86 | <row> | 87 | <row> |
| 87 | <entry>__u32</entry> | 88 | <entry>__u32</entry> |
| @@ -50,13 +50,6 @@ and pixel format and receives a frame width and height.</para> · 49 unmodified lines | |||
| 50 | <refsect1> | 50 | <refsect1> |
| 51 | <title>Description</title> | 51 | <title>Description</title> |
| 52 | 52 | ||
| 53 | <note> | ||
| 54 | <title>Experimental</title> | ||
| 55 | |||
| 56 | <para>This is an <link linkend="experimental">experimental</link> | ||
| 57 | interface and may change in the future.</para> | ||
| 58 | </note> | ||
| 59 | |||
| 60 | <para>This ioctl allows applications to enumerate all frame sizes | 53 | <para>This ioctl allows applications to enumerate all frame sizes |
| 61 | (&ie; width and height in pixels) that the device supports for the | 54 | (&ie; width and height in pixels) that the device supports for the |
| 62 | given pixel format.</para> | 55 | given pixel format.</para> |
| @@ -283,7 +283,7 @@ input/output interface to linux-media@vger.kernel.org on 19 Oct 2009. · 282 unmodified lines | |||
| 283 | <entry>This input supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry> | 283 | <entry>This input supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry> |
| 284 | </row> | 284 | </row> |
| 285 | <row> | 285 | <row> |
| 286 | <entry><constant>V4L2_IN_CAP_CUSTOM_TIMINGS</constant></entry> | 286 | <entry><constant>V4L2_IN_CAP_DV_TIMINGS</constant></entry> |
| 287 | <entry>0x00000002</entry> | 287 | <entry>0x00000002</entry> |
| 288 | <entry>This input supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry> | 288 | <entry>This input supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry> |
| 289 | </row> | 289 | </row> |
| @@ -168,7 +168,7 @@ input/output interface to linux-media@vger.kernel.org on 19 Oct 2009. · 167 unmodified lines | |||
| 168 | <entry>This output supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry> | 168 | <entry>This output supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry> |
| 169 | </row> | 169 | </row> |
| 170 | <row> | 170 | <row> |
| 171 | <entry><constant>V4L2_OUT_CAP_CUSTOM_TIMINGS</constant></entry> | 171 | <entry><constant>V4L2_OUT_CAP_DV_TIMINGS</constant></entry> |
| 172 | <entry>0x00000002</entry> | 172 | <entry>0x00000002</entry> |
| 173 | <entry>This output supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry> | 173 | <entry>This output supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry> |
| 174 | </row> | 174 | </row> |
| @@ -378,6 +378,12 @@ system)</para></footnote></para></entry> · 377 unmodified lines | |||
| 378 | is out of bounds.</para> | 378 | is out of bounds.</para> |
| 379 | </listitem> | 379 | </listitem> |
| 380 | </varlistentry> | 380 | </varlistentry> |
| 381 | <varlistentry> | ||
| 382 | <term><errorcode>ENODATA</errorcode></term> | ||
| 383 | <listitem> | ||
| 384 | <para>Standard video timings are not supported for this input or output.</para> | ||
| 385 | </listitem> | ||
| 386 | </varlistentry> | ||
| 381 | </variablelist> | 387 | </variablelist> |
| 382 | </refsect1> | 388 | </refsect1> |
| 383 | </refentry> | 389 | </refentry> |
| @@ -104,10 +104,8 @@ changed and <constant>VIDIOC_S_CROP</constant> returns the · 103 unmodified lines | |||
| 104 | <entry><structfield>type</structfield></entry> | 104 | <entry><structfield>type</structfield></entry> |
| 105 | <entry>Type of the data stream, set by the application. | 105 | <entry>Type of the data stream, set by the application. |
| 106 | Only these types are valid here: <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>, | 106 | Only these types are valid here: <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>, |
| 107 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>, | 107 | <constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant> and |
| 108 | <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>, and custom (driver | 108 | <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>. See <xref linkend="v4l2-buf-type" />.</entry> |
| 109 | defined) types with code <constant>V4L2_BUF_TYPE_PRIVATE</constant> | ||
| 110 | and higher. See <xref linkend="v4l2-buf-type" />.</entry> | ||
| 111 | </row> | 109 | </row> |
| 112 | <row> | 110 | <row> |
| 113 | <entry>&v4l2-rect;</entry> | 111 | <entry>&v4l2-rect;</entry> |
| @@ -77,6 +77,12 @@ If the preset is not supported, it returns an &EINVAL; </para> · 76 unmodified lines | |||
| 77 | <constant>VIDIOC_S_DV_PRESET</constant>,<constant>VIDIOC_S_DV_PRESET</constant> parameter was unsuitable.</para> | 77 | <constant>VIDIOC_S_DV_PRESET</constant>,<constant>VIDIOC_S_DV_PRESET</constant> parameter was unsuitable.</para> |
| 78 | </listitem> | 78 | </listitem> |
| 79 | </varlistentry> | 79 | </varlistentry> |
| 80 | <varlistentry> | ||
| 81 | <term><errorcode>ENODATA</errorcode></term> | ||
| 82 | <listitem> | ||
| 83 | <para>Digital video presets are not supported for this input or output.</para> | ||
| 84 | </listitem> | ||
| 85 | </varlistentry> | ||
| 80 | <varlistentry> | 86 | <varlistentry> |
| 81 | <term><errorcode>EBUSY</errorcode></term> | 87 | <term><errorcode>EBUSY</errorcode></term> |
| 82 | <listitem> | 88 | <listitem> |
| @@ -104,7 +110,4 @@ If the preset is not supported, it returns an &EINVAL; </para> · 21 unmodified lines | |||
| 104 | </tgroup> | 110 | </tgroup> |
| 105 | </table> | 111 | </table> |
| 106 | </refsect1> | 112 | </refsect1> |
| 107 | <refsect1> | ||
| 108 | &return-value; | ||
| 109 | </refsect1> | ||
| 110 | </refentry> | 113 | </refentry> |
| @@ -56,7 +56,9 @@ a pointer to the &v4l2-dv-timings; structure as argument. If the ioctl is not su · 55 unmodified lines | |||
| 56 | or the timing values are not correct, the driver returns &EINVAL;.</para> | 56 | or the timing values are not correct, the driver returns &EINVAL;.</para> |
| 57 | <para>The <filename>linux/v4l2-dv-timings.h</filename> header can be used to get the | 57 | <para>The <filename>linux/v4l2-dv-timings.h</filename> header can be used to get the |
| 58 | timings of the formats in the <xref linkend="cea861" /> and <xref linkend="vesadmt" /> | 58 | timings of the formats in the <xref linkend="cea861" /> and <xref linkend="vesadmt" /> |
| 59 | standards.</para> | 59 | standards. If the current input or output does not support DV timings (e.g. if |
| 60 | &VIDIOC-ENUMINPUT; does not set the <constant>V4L2_IN_CAP_DV_TIMINGS</constant> flag), then | ||
| 61 | &ENODATA; is returned.</para> | ||
| 60 | </refsect1> | 62 | </refsect1> |
| 61 | 63 | ||
| 62 | <refsect1> | 64 | <refsect1> |
| @@ -70,6 +72,12 @@ standards.</para> · 7 unmodified lines | |||
| 70 | <constant>VIDIOC_S_DV_TIMINGS</constant> parameter was unsuitable.</para> | 72 | <constant>VIDIOC_S_DV_TIMINGS</constant> parameter was unsuitable.</para> |
| 71 | </listitem> | 73 | </listitem> |
| 72 | </varlistentry> | 74 | </varlistentry> |
| 75 | <varlistentry> | ||
| 76 | <term><errorcode>ENODATA</errorcode></term> | ||
| 77 | <listitem> | ||
| 78 | <para>Digital video timings are not supported for this input or output.</para> | ||
| 79 | </listitem> | ||
| 80 | </varlistentry> | ||
| 73 | <varlistentry> | 81 | <varlistentry> |
| 74 | <term><errorcode>EBUSY</errorcode></term> | 82 | <term><errorcode>EBUSY</errorcode></term> |
| 75 | <listitem> | 83 | <listitem> |
| @@ -320,7 +328,4 @@ detected or used depends on the hardware. · 244 unmodified lines | |||
| 320 | </tgroup> | 328 | </tgroup> |
| 321 | </table> | 329 | </table> |
| 322 | </refsect1> | 330 | </refsect1> |
| 323 | <refsect1> | ||
| 324 | &return-value; | ||
| 325 | </refsect1> | ||
| 326 | </refentry> | 331 | </refentry> |
| @@ -48,13 +48,6 @@ · 47 unmodified lines | |||
| 48 | <refsect1> | 48 | <refsect1> |
| 49 | <title>Description</title> | 49 | <title>Description</title> |
| 50 | 50 | ||
| 51 | <note> | ||
| 52 | <title>Experimental</title> | ||
| 53 | |||
| 54 | <para>This is an <link linkend="experimental">experimental</link> | ||
| 55 | interface and may change in the future.</para> | ||
| 56 | </note> | ||
| 57 | |||
| 58 | <para>The <constant>VIDIOC_G_ENC_INDEX</constant> ioctl provides | 51 | <para>The <constant>VIDIOC_G_ENC_INDEX</constant> ioctl provides |
| 59 | meta data about a compressed video stream the same or another | 52 | meta data about a compressed video stream the same or another |
| 60 | application currently reads from the driver, which is useful for | 53 | application currently reads from the driver, which is useful for |
| @@ -81,7 +81,7 @@ the application calls the <constant>VIDIOC_S_FMT</constant> ioctl · 80 unmodified lines | |||
| 81 | with a pointer to a <structname>v4l2_format</structname> structure | 81 | with a pointer to a <structname>v4l2_format</structname> structure |
| 82 | the driver checks | 82 | the driver checks |
| 83 | and adjusts the parameters against hardware abilities. Drivers | 83 | and adjusts the parameters against hardware abilities. Drivers |
| 84 | should not return an error code unless the input is ambiguous, this is | 84 | should not return an error code unless the <structfield>type</structfield> field is invalid, this is |
| 85 | a mechanism to fathom device capabilities and to approach parameters | 85 | a mechanism to fathom device capabilities and to approach parameters |
| 86 | acceptable for both the application and driver. On success the driver | 86 | acceptable for both the application and driver. On success the driver |
| 87 | may program the hardware, allocate resources and generally prepare for | 87 | may program the hardware, allocate resources and generally prepare for |
| @@ -107,6 +107,10 @@ disabling I/O or possibly time consuming hardware preparations. · 19 unmodified lines | |||
| 107 | Although strongly recommended drivers are not required to implement | 107 | Although strongly recommended drivers are not required to implement |
| 108 | this ioctl.</para> | 108 | this ioctl.</para> |
| 109 | 109 | ||
| 110 | <para>The format as returned by <constant>VIDIOC_TRY_FMT</constant> | ||
| 111 | must be identical to what <constant>VIDIOC_S_FMT</constant> returns for | ||
| 112 | the same input or output.</para> | ||
| 113 | |||
| 110 | <table pgwide="1" frame="none" id="v4l2-format"> | 114 | <table pgwide="1" frame="none" id="v4l2-format"> |
| 111 | <title>struct <structname>v4l2_format</structname></title> | 115 | <title>struct <structname>v4l2_format</structname></title> |
| 112 | <tgroup cols="4"> | 116 | <tgroup cols="4"> |
| @@ -170,9 +174,7 @@ capture and output devices.</entry> · 57 unmodified lines | |||
| 170 | <entry></entry> | 174 | <entry></entry> |
| 171 | <entry>__u8</entry> | 175 | <entry>__u8</entry> |
| 172 | <entry><structfield>raw_data</structfield>[200]</entry> | 176 | <entry><structfield>raw_data</structfield>[200]</entry> |
| 173 | <entry>Place holder for future extensions and custom | 177 | <entry>Place holder for future extensions.</entry> |
| 174 | (driver defined) formats with <structfield>type</structfield> | ||
| 175 | <constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher.</entry> | ||
| 176 | </row> | 178 | </row> |
| 177 | </tbody> | 179 | </tbody> |
| 178 | </tgroup> | 180 | </tgroup> |
| @@ -187,8 +189,7 @@ capture and output devices.</entry> · 8 unmodified lines | |||
| 187 | <term><errorcode>EINVAL</errorcode></term> | 189 | <term><errorcode>EINVAL</errorcode></term> |
| 188 | <listitem> | 190 | <listitem> |
| 189 | <para>The &v4l2-format; <structfield>type</structfield> | 191 | <para>The &v4l2-format; <structfield>type</structfield> |
| 190 | field is invalid, the requested buffer type not supported, or the | 192 | field is invalid or the requested buffer type not supported.</para> |
| 191 | format is not supported with this buffer type.</para> | ||
| 192 | </listitem> | 193 | </listitem> |
| 193 | </varlistentry> | 194 | </varlistentry> |
| 194 | </variablelist> | 195 | </variablelist> |
| @@ -108,9 +108,7 @@ devices.</para> · 107 unmodified lines | |||
| 108 | <entry></entry> | 108 | <entry></entry> |
| 109 | <entry>__u8</entry> | 109 | <entry>__u8</entry> |
| 110 | <entry><structfield>raw_data</structfield>[200]</entry> | 110 | <entry><structfield>raw_data</structfield>[200]</entry> |
| 111 | <entry>A place holder for future extensions and custom | 111 | <entry>A place holder for future extensions.</entry> |
| 112 | (driver defined) buffer types <constant>V4L2_BUF_TYPE_PRIVATE</constant> and | ||
| 113 | higher.</entry> | ||
| 114 | </row> | 112 | </row> |
| 115 | </tbody> | 113 | </tbody> |
| 116 | </tgroup> | 114 | </tgroup> |
| @@ -152,12 +152,10 @@ satisfactory parameters have been negotiated. If constraints flags have to be · 151 unmodified lines | |||
| 152 | violated at then ERANGE is returned. The error indicates that <emphasis> there | 152 | violated at then ERANGE is returned. The error indicates that <emphasis> there |
| 153 | exist no rectangle </emphasis> that satisfies the constraints.</para> | 153 | exist no rectangle </emphasis> that satisfies the constraints.</para> |
| 154 | 154 | ||
| 155 | </refsect1> | ||
| 156 | |||
| 157 | <para>Selection targets and flags are documented in <xref | 155 | <para>Selection targets and flags are documented in <xref |
| 158 | linkend="v4l2-selections-common"/>.</para> | 156 | linkend="v4l2-selections-common"/>.</para> |
| 159 | 157 | ||
| 160 | <section> | 158 | <para> |
| 161 | <figure id="sel-const-adjust"> | 159 | <figure id="sel-const-adjust"> |
| 162 | <title>Size adjustments with constraint flags.</title> | 160 | <title>Size adjustments with constraint flags.</title> |
| 163 | <mediaobject> | 161 | <mediaobject> |
| @@ -170,9 +168,9 @@ exist no rectangle </emphasis> that satisfies the constraints.</para> · 6 unmodified lines | |||
| 170 | </textobject> | 168 | </textobject> |
| 171 | </mediaobject> | 169 | </mediaobject> |
| 172 | </figure> | 170 | </figure> |
| 173 | </section> | 171 | </para> |
| 174 | 172 | ||
| 175 | <refsect1> | 173 | <para> |
| 176 | <table pgwide="1" frame="none" id="v4l2-selection"> | 174 | <table pgwide="1" frame="none" id="v4l2-selection"> |
| 177 | <title>struct <structname>v4l2_selection</structname></title> | 175 | <title>struct <structname>v4l2_selection</structname></title> |
| 178 | <tgroup cols="3"> | 176 | <tgroup cols="3"> |
| @@ -208,6 +206,7 @@ exist no rectangle </emphasis> that satisfies the constraints.</para> · 29 unmodified lines | |||
| 208 | </tbody> | 206 | </tbody> |
| 209 | </tgroup> | 207 | </tgroup> |
| 210 | </table> | 208 | </table> |
| 209 | </para> | ||
| 211 | </refsect1> | 210 | </refsect1> |
| 212 | 211 | ||
| 213 | <refsect1> | 212 | <refsect1> |
| @@ -72,7 +72,9 @@ flags, being a write-only ioctl it does not return the actual new standard as · 71 unmodified lines | |||
| 72 | the current input does not support the requested standard the driver | 72 | the current input does not support the requested standard the driver |
| 73 | returns an &EINVAL;. When the standard set is ambiguous drivers may | 73 | returns an &EINVAL;. When the standard set is ambiguous drivers may |
| 74 | return <errorcode>EINVAL</errorcode> or choose any of the requested | 74 | return <errorcode>EINVAL</errorcode> or choose any of the requested |
| 75 | standards.</para> | 75 | standards. If the current input or output does not support standard video timings (e.g. if |
| 76 | &VIDIOC-ENUMINPUT; does not set the <constant>V4L2_IN_CAP_STD</constant> flag), then | ||
| 77 | &ENODATA; is returned.</para> | ||
| 76 | </refsect1> | 78 | </refsect1> |
| 77 | 79 | ||
| 78 | <refsect1> | 80 | <refsect1> |
| @@ -85,6 +87,12 @@ standards.</para> · 6 unmodified lines | |||
| 85 | <para>The <constant>VIDIOC_S_STD</constant> parameter was unsuitable.</para> | 87 | <para>The <constant>VIDIOC_S_STD</constant> parameter was unsuitable.</para> |
| 86 | </listitem> | 88 | </listitem> |
| 87 | </varlistentry> | 89 | </varlistentry> |
| 90 | <varlistentry> | ||
| 91 | <term><errorcode>ENODATA</errorcode></term> | ||
| 92 | <listitem> | ||
| 93 | <para>Standard video timings are not supported for this input or output.</para> | ||
| 94 | </listitem> | ||
| 95 | </varlistentry> | ||
| 88 | </variablelist> | 96 | </variablelist> |
| 89 | </refsect1> | 97 | </refsect1> |
| 90 | </refentry> | 98 | </refentry> |
| @@ -354,6 +354,12 @@ radio tuners.</entry> · 353 unmodified lines | |||
| 354 | <entry>The &VIDIOC-ENUM-FREQ-BANDS; ioctl can be used to enumerate | 354 | <entry>The &VIDIOC-ENUM-FREQ-BANDS; ioctl can be used to enumerate |
| 355 | the available frequency bands.</entry> | 355 | the available frequency bands.</entry> |
| 356 | </row> | 356 | </row> |
| 357 | <row> | ||
| 358 | <entry><constant>V4L2_TUNER_CAP_HWSEEK_PROG_LIM</constant></entry> | ||
| 359 | <entry>0x0800</entry> | ||
| 360 | <entry>The range to search when using the hardware seek functionality | ||
| 361 | is programmable, see &VIDIOC-S-HW-FREQ-SEEK; for details.</entry> | ||
| 362 | </row> | ||
| 357 | </tbody> | 363 | </tbody> |
| 358 | </tgroup> | 364 | </tgroup> |
| 359 | </table> | 365 | </table> |
| @@ -121,8 +121,7 @@ remaining fields or returns an error code. The driver may also set · 120 unmodified lines | |||
| 121 | field. It indicates a non-critical (recoverable) streaming error. In such case | 121 | field. It indicates a non-critical (recoverable) streaming error. In such case |
| 122 | the application may continue as normal, but should be aware that data in the | 122 | the application may continue as normal, but should be aware that data in the |
| 123 | dequeued buffer might be corrupted. When using the multi-planar API, the | 123 | dequeued buffer might be corrupted. When using the multi-planar API, the |
| 124 | planes array does not have to be passed; the <structfield>m.planes</structfield> | 124 | planes array must be passed in as well.</para> |
| 125 | member must be set to NULL in that case.</para> | ||
| 126 | 125 | ||
| 127 | <para>By default <constant>VIDIOC_DQBUF</constant> blocks when no | 126 | <para>By default <constant>VIDIOC_DQBUF</constant> blocks when no |
| 128 | buffer is in the outgoing queue. When the | 127 | buffer is in the outgoing queue. When the |
| @@ -155,6 +154,8 @@ or no buffers have been allocated yet, or the · 26 unmodified lines | |||
| 155 | <structfield>userptr</structfield> or | 154 | <structfield>userptr</structfield> or |
| 156 | <structfield>length</structfield> are invalid.</para> | 155 | <structfield>length</structfield> are invalid.</para> |
| 157 | </listitem> | 156 | </listitem> |
| 157 | </varlistentry> | ||
| 158 | <varlistentry> | ||
| 158 | <term><errorcode>EIO</errorcode></term> | 159 | <term><errorcode>EIO</errorcode></term> |
| 159 | <listitem> | 160 | <listitem> |
| 160 | <para><constant>VIDIOC_DQBUF</constant> failed due to an | 161 | <para><constant>VIDIOC_DQBUF</constant> failed due to an |
| @@ -65,5 +65,14 @@ returned.</para> · 64 unmodified lines | |||
| 65 | 65 | ||
| 66 | <refsect1> | 66 | <refsect1> |
| 67 | &return-value; | 67 | &return-value; |
| 68 | |||
| 69 | <variablelist> | ||
| 70 | <varlistentry> | ||
| 71 | <term><errorcode>ENODATA</errorcode></term> | ||
| 72 | <listitem> | ||
| 73 | <para>Digital video presets are not supported for this input or output.</para> | ||
| 74 | </listitem> | ||
| 75 | </varlistentry> | ||
| 76 | </variablelist> | ||
| 68 | </refsect1> | 77 | </refsect1> |
| 69 | </refentry> | 78 | </refentry> |
| @@ -77,6 +77,12 @@ capabilities in order to give more precise feedback to the user. · 76 unmodified lines | |||
| 77 | &return-value; | 77 | &return-value; |
| 78 | 78 | ||
| 79 | <variablelist> | 79 | <variablelist> |
| 80 | <varlistentry> | ||
| 81 | <term><errorcode>ENODATA</errorcode></term> | ||
| 82 | <listitem> | ||
| 83 | <para>Digital video timings are not supported for this input or output.</para> | ||
| 84 | </listitem> | ||
| 85 | </varlistentry> | ||
| 80 | <varlistentry> | 86 | <varlistentry> |
| 81 | <term><errorcode>ENOLINK</errorcode></term> | 87 | <term><errorcode>ENOLINK</errorcode></term> |
| 82 | <listitem> | 88 | <listitem> |
| @@ -48,8 +48,8 @@ · 47 unmodified lines | |||
| 48 | <refsect1> | 48 | <refsect1> |
| 49 | <title>Description</title> | 49 | <title>Description</title> |
| 50 | 50 | ||
| 51 | <para>This ioctl is part of the <link linkend="mmap">memory | 51 | <para>This ioctl is part of the <link linkend="mmap">streaming |
| 52 | mapping</link> I/O method. It can be used to query the status of a | 52 | </link> I/O method. It can be used to query the status of a |
| 53 | buffer at any time after buffers have been allocated with the | 53 | buffer at any time after buffers have been allocated with the |
| 54 | &VIDIOC-REQBUFS; ioctl.</para> | 54 | &VIDIOC-REQBUFS; ioctl.</para> |
| 55 | 55 | ||
| @@ -71,6 +71,7 @@ the structure.</para> · 15 unmodified lines | |||
| 71 | 71 | ||
| 72 | <para>In the <structfield>flags</structfield> field the | 72 | <para>In the <structfield>flags</structfield> field the |
| 73 | <constant>V4L2_BUF_FLAG_MAPPED</constant>, | 73 | <constant>V4L2_BUF_FLAG_MAPPED</constant>, |
| 74 | <constant>V4L2_BUF_FLAG_PREPARED</constant>, | ||
| 74 | <constant>V4L2_BUF_FLAG_QUEUED</constant> and | 75 | <constant>V4L2_BUF_FLAG_QUEUED</constant> and |
| 75 | <constant>V4L2_BUF_FLAG_DONE</constant> flags will be valid. The | 76 | <constant>V4L2_BUF_FLAG_DONE</constant> flags will be valid. The |
| 76 | <structfield>memory</structfield> field will be set to the current | 77 | <structfield>memory</structfield> field will be set to the current |
| @@ -79,8 +80,10 @@ contains the offset of the buffer from the start of the device memory, · 2 unmodified lines | |||
| 79 | the <structfield>length</structfield> field its size. For the multi-planar API, | 80 | the <structfield>length</structfield> field its size. For the multi-planar API, |
| 80 | fields <structfield>m.mem_offset</structfield> and | 81 | fields <structfield>m.mem_offset</structfield> and |
| 81 | <structfield>length</structfield> in the <structfield>m.planes</structfield> | 82 | <structfield>length</structfield> in the <structfield>m.planes</structfield> |
| 82 | array elements will be used instead. The driver may or may not set the remaining | 83 | array elements will be used instead and the <structfield>length</structfield> |
| 83 | fields and flags, they are meaningless in this context.</para> | 84 | field of &v4l2-buffer; is set to the number of filled-in array elements. |
| 85 | The driver may or may not set the remaining fields and flags, they are | ||
| 86 | meaningless in this context.</para> | ||
| 84 | 87 | ||
| 85 | <para>The <structname>v4l2_buffer</structname> structure is | 88 | <para>The <structname>v4l2_buffer</structname> structure is |
| 86 | specified in <xref linkend="buffer" />.</para> | 89 | specified in <xref linkend="buffer" />.</para> |
| @@ -90,11 +90,13 @@ ambiguities.</entry> · 89 unmodified lines | |||
| 90 | <entry>__u8</entry> | 90 | <entry>__u8</entry> |
| 91 | <entry><structfield>bus_info</structfield>[32]</entry> | 91 | <entry><structfield>bus_info</structfield>[32]</entry> |
| 92 | <entry>Location of the device in the system, a | 92 | <entry>Location of the device in the system, a |
| 93 | NUL-terminated ASCII string. For example: "PCI Slot 4". This | 93 | NUL-terminated ASCII string. For example: "PCI:0000:05:06.0". This |
| 94 | information is intended for users, to distinguish multiple | 94 | information is intended for users, to distinguish multiple |
| 95 | identical devices. If no such information is available the field may | 95 | identical devices. If no such information is available the field must |
| 96 | simply count the devices controlled by the driver, or contain the | 96 | simply count the devices controlled by the driver ("platform:vivi-000"). |
| 97 | empty string (<structfield>bus_info</structfield>[0] = 0).<!-- XXX pci_dev->slot_name example --></entry> | 97 | The bus_info must start with "PCI:" for PCI boards, "PCIe:" for PCI Express boards, |
| 98 | "usb-" for USB devices, "I2C:" for i2c devices, "ISA:" for ISA devices, | ||
| 99 | "parport" for parallel port devices and "platform:" for platform devices.</entry> | ||
| 98 | </row> | 100 | </row> |
| 99 | <row> | 101 | <row> |
| 100 | <entry>__u32</entry> | 102 | <entry>__u32</entry> |
| @@ -62,5 +62,13 @@ current video input or output.</para> · 61 unmodified lines | |||
| 62 | 62 | ||
| 63 | <refsect1> | 63 | <refsect1> |
| 64 | &return-value; | 64 | &return-value; |
| 65 | <variablelist> | ||
| 66 | <varlistentry> | ||
| 67 | <term><errorcode>ENODATA</errorcode></term> | ||
| 68 | <listitem> | ||
| 69 | <para>Standard video timings are not supported for this input or output.</para> | ||
| 70 | </listitem> | ||
| 71 | </varlistentry> | ||
| 72 | </variablelist> | ||
| 65 | </refsect1> | 73 | </refsect1> |
| 66 | </refentry> | 74 | </refentry> |
| @@ -109,9 +109,8 @@ as the &v4l2-format; <structfield>type</structfield> field. See <xref · 108 unmodified lines | |||
| 109 | <row> | 109 | <row> |
| 110 | <entry>__u32</entry> | 110 | <entry>__u32</entry> |
| 111 | <entry><structfield>reserved</structfield>[2]</entry> | 111 | <entry><structfield>reserved</structfield>[2]</entry> |
| 112 | <entry>A place holder for future extensions and custom | 112 | <entry>A place holder for future extensions. This array should |
| 113 | (driver defined) buffer types <constant>V4L2_BUF_TYPE_PRIVATE</constant> and | 113 | be zeroed by applications.</entry> |
| 114 | higher. This array should be zeroed by applications.</entry> | ||
| 115 | </row> | 114 | </row> |
| 116 | </tbody> | 115 | </tbody> |
| 117 | </tgroup> | 116 | </tgroup> |
| @@ -75,6 +75,9 @@ seek is started.</para> · 74 unmodified lines | |||
| 75 | 75 | ||
| 76 | <para>This ioctl is supported if the <constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability is set.</para> | 76 | <para>This ioctl is supported if the <constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability is set.</para> |
| 77 | 77 | ||
| 78 | <para>If this ioctl is called from a non-blocking filehandle, then &EAGAIN; is | ||
| 79 | returned and no seek takes place.</para> | ||
| 80 | |||
| 78 | <table pgwide="1" frame="none" id="v4l2-hw-freq-seek"> | 81 | <table pgwide="1" frame="none" id="v4l2-hw-freq-seek"> |
| 79 | <title>struct <structname>v4l2_hw_freq_seek</structname></title> | 82 | <title>struct <structname>v4l2_hw_freq_seek</structname></title> |
| 80 | <tgroup cols="3"> | 83 | <tgroup cols="3"> |
| @@ -157,6 +160,13 @@ one of the values in the <structfield>type</structfield>, · 76 unmodified lines | |||
| 157 | fields is wrong.</para> | 160 | fields is wrong.</para> |
| 158 | </listitem> | 161 | </listitem> |
| 159 | </varlistentry> | 162 | </varlistentry> |
| 163 | <varlistentry> | ||
| 164 | <term><errorcode>EAGAIN</errorcode></term> | ||
| 165 | <listitem> | ||
| 166 | <para>Attempted to call <constant>VIDIOC_S_HW_FREQ_SEEK</constant> | ||
| 167 | with the filehandle in non-blocking mode.</para> | ||
| 168 | </listitem> | ||
| 169 | </varlistentry> | ||
| 160 | <varlistentry> | 170 | <varlistentry> |
| 161 | <term><errorcode>ENODATA</errorcode></term> | 171 | <term><errorcode>ENODATA</errorcode></term> |
| 162 | <listitem> | 172 | <listitem> |
| @@ -74,7 +74,12 @@ not transmitted yet. I/O returns to the same state as after calling · 73 unmodified lines | |||
| 74 | stream type. This is the same as &v4l2-requestbuffers; | 74 | stream type. This is the same as &v4l2-requestbuffers; |
| 75 | <structfield>type</structfield>.</para> | 75 | <structfield>type</structfield>.</para> |
| 76 | 76 | ||
| 77 | <para>Note applications can be preempted for unknown periods right | 77 | <para>If <constant>VIDIOC_STREAMON</constant> is called when streaming |
| 78 | is already in progress, or if <constant>VIDIOC_STREAMOFF</constant> is called | ||
| 79 | when streaming is already stopped, then the ioctl does nothing and 0 is | ||
| 80 | returned.</para> | ||
| 81 | |||
| 82 | <para>Note that applications can be preempted for unknown periods right | ||
| 78 | before or after the <constant>VIDIOC_STREAMON</constant> or | 83 | before or after the <constant>VIDIOC_STREAMON</constant> or |
| 79 | <constant>VIDIOC_STREAMOFF</constant> calls, there is no notion of | 84 | <constant>VIDIOC_STREAMOFF</constant> calls, there is no notion of |
| 80 | starting or stopping "now". Buffer timestamps can be used to | 85 | starting or stopping "now". Buffer timestamps can be used to |
| @@ -0,0 +1,152 @@ | |||
| 1 | <refentry id="vidioc-subdev-g-edid"> | ||
| 2 | <refmeta> | ||
| 3 | <refentrytitle>ioctl VIDIOC_SUBDEV_G_EDID, VIDIOC_SUBDEV_S_EDID</refentrytitle> | ||
| 4 | &manvol; | ||
| 5 | </refmeta> | ||
| 6 | |||
| 7 | <refnamediv> | ||
| 8 | <refname>VIDIOC_SUBDEV_G_EDID</refname> | ||
| 9 | <refname>VIDIOC_SUBDEV_S_EDID</refname> | ||
| 10 | <refpurpose>Get or set the EDID of a video receiver/transmitter</refpurpose> | ||
| 11 | </refnamediv> | ||
| 12 | |||
| 13 | <refsynopsisdiv> | ||
| 14 | <funcsynopsis> | ||
| 15 | <funcprototype> | ||
| 16 | <funcdef>int <function>ioctl</function></funcdef> | ||
| 17 | <paramdef>int <parameter>fd</parameter></paramdef> | ||
| 18 | <paramdef>int <parameter>request</parameter></paramdef> | ||
| 19 | <paramdef>struct v4l2_subdev_edid *<parameter>argp</parameter></paramdef> | ||
| 20 | </funcprototype> | ||
| 21 | </funcsynopsis> | ||
| 22 | <funcsynopsis> | ||
| 23 | <funcprototype> | ||
| 24 | <funcdef>int <function>ioctl</function></funcdef> | ||
| 25 | <paramdef>int <parameter>fd</parameter></paramdef> | ||
| 26 | <paramdef>int <parameter>request</parameter></paramdef> | ||
| 27 | <paramdef>const struct v4l2_subdev_edid *<parameter>argp</parameter></paramdef> | ||
| 28 | </funcprototype> | ||
| 29 | </funcsynopsis> | ||
| 30 | </refsynopsisdiv> | ||
| 31 | |||
| 32 | <refsect1> | ||
| 33 | <title>Arguments</title> | ||
| 34 | |||
| 35 | <variablelist> | ||
| 36 | <varlistentry> | ||
| 37 | <term><parameter>fd</parameter></term> | ||
| 38 | <listitem> | ||
| 39 | <para>&fd;</para> | ||
| 40 | </listitem> | ||
| 41 | </varlistentry> | ||
| 42 | <varlistentry> | ||
| 43 | <term><parameter>request</parameter></term> | ||
| 44 | <listitem> | ||
| 45 | <para>VIDIOC_SUBDEV_G_EDID, VIDIOC_SUBDEV_S_EDID</para> | ||
| 46 | </listitem> | ||
| 47 | </varlistentry> | ||
| 48 | <varlistentry> | ||
| 49 | <term><parameter>argp</parameter></term> | ||
| 50 | <listitem> | ||
| 51 | <para></para> | ||
| 52 | </listitem> | ||
| 53 | </varlistentry> | ||
| 54 | </variablelist> | ||
| 55 | </refsect1> | ||
| 56 | |||
| 57 | <refsect1> | ||
| 58 | <title>Description</title> | ||
| 59 | <para>These ioctls can be used to get or set an EDID associated with an input pad | ||
| 60 | from a receiver or an output pad of a transmitter subdevice.</para> | ||
| 61 | |||
| 62 | <para>To get the EDID data the application has to fill in the <structfield>pad</structfield>, | ||
| 63 | <structfield>start_block</structfield>, <structfield>blocks</structfield> and <structfield>edid</structfield> | ||
| 64 | fields and call <constant>VIDIOC_SUBDEV_G_EDID</constant>. The current EDID from block | ||
| 65 | <structfield>start_block</structfield> and of size <structfield>blocks</structfield> | ||
| 66 | will be placed in the memory <structfield>edid</structfield> points to. The <structfield>edid</structfield> | ||
| 67 | pointer must point to memory at least <structfield>blocks</structfield> * 128 bytes | ||
| 68 | large (the size of one block is 128 bytes).</para> | ||
| 69 | |||
| 70 | <para>If there are fewer blocks than specified, then the driver will set <structfield>blocks</structfield> | ||
| 71 | to the actual number of blocks. If there are no EDID blocks available at all, then the error code | ||
| 72 | ENODATA is set.</para> | ||
| 73 | |||
| 74 | <para>If blocks have to be retrieved from the sink, then this call will block until they | ||
| 75 | have been read.</para> | ||
| 76 | |||
| 77 | <para>To set the EDID blocks of a receiver the application has to fill in the <structfield>pad</structfield>, | ||
| 78 | <structfield>blocks</structfield> and <structfield>edid</structfield> fields and set | ||
| 79 | <structfield>start_block</structfield> to 0. It is not possible to set part of an EDID, | ||
| 80 | it is always all or nothing. Setting the EDID data is only valid for receivers as it makes | ||
| 81 | no sense for a transmitter.</para> | ||
| 82 | |||
| 83 | <para>The driver assumes that the full EDID is passed in. If there are more EDID blocks than | ||
| 84 | the hardware can handle then the EDID is not written, but instead the error code E2BIG is set | ||
| 85 | and <structfield>blocks</structfield> is set to the maximum that the hardware supports. | ||
| 86 | If <structfield>start_block</structfield> is any | ||
| 87 | value other than 0 then the error code EINVAL is set.</para> | ||
| 88 | |||
| 89 | <para>To disable an EDID you set <structfield>blocks</structfield> to 0. Depending on the | ||
| 90 | hardware this will drive the hotplug pin low and/or block the source from reading the EDID | ||
| 91 | data in some way. In any case, the end result is the same: the EDID is no longer available. | ||
| 92 | </para> | ||
| 93 | |||
| 94 | <table pgwide="1" frame="none" id="v4l2-subdev-edid"> | ||
| 95 | <title>struct <structname>v4l2_subdev_edid</structname></title> | ||
| 96 | <tgroup cols="3"> | ||
| 97 | &cs-str; | ||
| 98 | <tbody valign="top"> | ||
| 99 | <row> | ||
| 100 | <entry>__u32</entry> | ||
| 101 | <entry><structfield>pad</structfield></entry> | ||
| 102 | <entry>Pad for which to get/set the EDID blocks.</entry> | ||
| 103 | </row> | ||
| 104 | <row> | ||
| 105 | <entry>__u32</entry> | ||
| 106 | <entry><structfield>start_block</structfield></entry> | ||
| 107 | <entry>Read the EDID from starting with this block. Must be 0 when setting | ||
| 108 | the EDID.</entry> | ||
| 109 | </row> | ||
| 110 | <row> | ||
| 111 | <entry>__u32</entry> | ||
| 112 | <entry><structfield>blocks</structfield></entry> | ||
| 113 | <entry>The number of blocks to get or set. Must be less or equal to 256 (the | ||
| 114 | maximum number of blocks as defined by the standard). When you set the EDID and | ||
| 115 | <structfield>blocks</structfield> is 0, then the EDID is disabled or erased.</entry> | ||
| 116 | </row> | ||
| 117 | <row> | ||
| 118 | <entry>__u8 *</entry> | ||
| 119 | <entry><structfield>edid</structfield></entry> | ||
| 120 | <entry>Pointer to memory that contains the EDID. The minimum size is | ||
| 121 | <structfield>blocks</structfield> * 128.</entry> | ||
| 122 | </row> | ||
| 123 | <row> | ||
| 124 | <entry>__u32</entry> | ||
| 125 | <entry><structfield>reserved</structfield>[5]</entry> | ||
| 126 | <entry>Reserved for future extensions. Applications and drivers must | ||
| 127 | set the array to zero.</entry> | ||
| 128 | </row> | ||
| 129 | </tbody> | ||
| 130 | </tgroup> | ||
| 131 | </table> | ||
| 132 | </refsect1> | ||
| 133 | |||
| 134 | <refsect1> | ||
| 135 | &return-value; | ||
| 136 | |||
| 137 | <variablelist> | ||
| 138 | <varlistentry> | ||
| 139 | <term><errorcode>ENODATA</errorcode></term> | ||
| 140 | <listitem> | ||
| 141 | <para>The EDID data is not available.</para> | ||
| 142 | </listitem> | ||
| 143 | </varlistentry> | ||
| 144 | <varlistentry> | ||
| 145 | <term><errorcode>E2BIG</errorcode></term> | ||
| 146 | <listitem> | ||
| 147 | <para>The EDID data you provided is more than the hardware can handle.</para> | ||
| 148 | </listitem> | ||
| 149 | </varlistentry> | ||
| 150 | </variablelist> | ||
| 151 | </refsect1> | ||
| 152 | </refentry> | ||
| @@ -69,23 +69,22 @@ · 68 unmodified lines | |||
| 69 | more information on how each selection target affects the image | 69 | more information on how each selection target affects the image |
| 70 | processing pipeline inside the subdevice.</para> | 70 | processing pipeline inside the subdevice.</para> |
| 71 | 71 | ||
| 72 | <section> | 72 | <refsect2> |
| 73 | <title>Types of selection targets</title> | 73 | <title>Types of selection targets</title> |
| 74 | 74 | ||
| 75 | <para>There are two types of selection targets: actual and bounds. The | 75 | <para>There are two types of selection targets: actual and bounds. The |
| 76 | actual targets are the targets which configure the hardware. The BOUNDS | 76 | actual targets are the targets which configure the hardware. The BOUNDS |
| 77 | target will return a rectangle that contain all possible actual | 77 | target will return a rectangle that contain all possible actual |
| 78 | rectangles.</para> | 78 | rectangles.</para> |
| 79 | </section> | 79 | </refsect2> |
| 80 | 80 | ||
| 81 | <section> | 81 | <refsect2> |
| 82 | <title>Discovering supported features</title> | 82 | <title>Discovering supported features</title> |
| 83 | 83 | ||
| 84 | <para>To discover which targets are supported, the user can | 84 | <para>To discover which targets are supported, the user can |
| 85 | perform <constant>VIDIOC_SUBDEV_G_SELECTION</constant> on them. | 85 | perform <constant>VIDIOC_SUBDEV_G_SELECTION</constant> on them. |
| 86 | Any unsupported target will return | 86 | Any unsupported target will return |
| 87 | <constant>EINVAL</constant>.</para> | 87 | <constant>EINVAL</constant>.</para> |
| 88 | </section> | ||
| 89 | 88 | ||
| 90 | <para>Selection targets and flags are documented in <xref | 89 | <para>Selection targets and flags are documented in <xref |
| 91 | linkend="v4l2-selections-common"/>.</para> | 90 | linkend="v4l2-selections-common"/>.</para> |
| @@ -132,6 +131,7 @@ · 40 unmodified lines | |||
| 132 | </tbody> | 131 | </tbody> |
| 133 | </tgroup> | 132 | </tgroup> |
| 134 | </table> | 133 | </table> |
| 134 | </refsect2> | ||
| 135 | 135 | ||
| 136 | </refsect1> | 136 | </refsect1> |
| 137 | 137 | ||
| @@ -29,7 +29,7 @@ · 28 unmodified lines | |||
| 29 | <title>LINUX MEDIA INFRASTRUCTURE API</title> | 29 | <title>LINUX MEDIA INFRASTRUCTURE API</title> |
| 30 | 30 | ||
| 31 | <copyright> | 31 | <copyright> |
| 32 | <year>2009-2011</year> | 32 | <year>2009-2012</year> |
| 33 | <holder>LinuxTV Developers</holder> | 33 | <holder>LinuxTV Developers</holder> |
| 34 | </copyright> | 34 | </copyright> |
| 35 | 35 | ||
| @@ -53,7 +53,7 @@ Foundation. A copy of the license is included in the chapter entitled · 17 unmodified lines | |||
| 53 | video and radio straming devices, including video cameras, | 53 | video and radio straming devices, including video cameras, |
| 54 | analog and digital TV receiver cards, AM/FM receiver cards, | 54 | analog and digital TV receiver cards, AM/FM receiver cards, |
| 55 | streaming capture devices.</para> | 55 | streaming capture devices.</para> |
| 56 | <para>It is divided into three parts.</para> | 56 | <para>It is divided into four parts.</para> |
| 57 | <para>The first part covers radio, capture, | 57 | <para>The first part covers radio, capture, |
| 58 | cameras and analog TV devices.</para> | 58 | cameras and analog TV devices.</para> |
| 59 | <para>The second part covers the | 59 | <para>The second part covers the |
| @@ -62,7 +62,8 @@ Foundation. A copy of the license is included in the chapter entitled · 2 unmodified lines | |||
| 62 | in fact it covers several different video standards including | 62 | in fact it covers several different video standards including |
| 63 | DVB-T, DVB-S, DVB-C and ATSC. The API is currently being updated | 63 | DVB-T, DVB-S, DVB-C and ATSC. The API is currently being updated |
| 64 | to documment support also for DVB-S2, ISDB-T and ISDB-S.</para> | 64 | to documment support also for DVB-S2, ISDB-T and ISDB-S.</para> |
| 65 | <para>The third part covers Remote Controller API</para> | 65 | <para>The third part covers the Remote Controller API.</para> |
| 66 | <para>The fourth part covers the Media Controller API.</para> | ||
| 66 | <para>For additional information and for the latest development code, | 67 | <para>For additional information and for the latest development code, |
| 67 | see: <ulink url="http://linuxtv.org">http://linuxtv.org</ulink>.</para> | 68 | see: <ulink url="http://linuxtv.org">http://linuxtv.org</ulink>.</para> |
| 68 | <para>For discussing improvements, reporting troubles, sending new drivers, etc, please mail to: <ulink url="http://vger.kernel.org/vger-lists.html#linux-media">Linux Media Mailing List (LMML).</ulink>.</para> | 69 | <para>For discussing improvements, reporting troubles, sending new drivers, etc, please mail to: <ulink url="http://vger.kernel.org/vger-lists.html#linux-media">Linux Media Mailing List (LMML).</ulink>.</para> |
| @@ -87,7 +88,7 @@ Foundation. A copy of the license is included in the chapter entitled · 18 unmodified lines | |||
| 87 | </author> | 88 | </author> |
| 88 | </authorgroup> | 89 | </authorgroup> |
| 89 | <copyright> | 90 | <copyright> |
| 90 | <year>2009-2011</year> | 91 | <year>2009-2012</year> |
| 91 | <holder>Mauro Carvalho Chehab</holder> | 92 | <holder>Mauro Carvalho Chehab</holder> |
| 92 | </copyright> | 93 | </copyright> |
| 93 | 94 | ||
| @@ -1216,8 +1216,6 @@ in this page</entry> · 1215 unmodified lines | |||
| 1216 | #define NAND_BBT_LASTBLOCK 0x00000010 | 1216 | #define NAND_BBT_LASTBLOCK 0x00000010 |
| 1217 | /* The bbt is at the given page, else we must scan for the bbt */ | 1217 | /* The bbt is at the given page, else we must scan for the bbt */ |
| 1218 | #define NAND_BBT_ABSPAGE 0x00000020 | 1218 | #define NAND_BBT_ABSPAGE 0x00000020 |
| 1219 | /* The bbt is at the given page, else we must scan for the bbt */ | ||
| 1220 | #define NAND_BBT_SEARCH 0x00000040 | ||
| 1221 | /* bbt is stored per chip on multichip devices */ | 1219 | /* bbt is stored per chip on multichip devices */ |
| 1222 | #define NAND_BBT_PERCHIP 0x00000080 | 1220 | #define NAND_BBT_PERCHIP 0x00000080 |
| 1223 | /* bbt has a version counter at offset veroffs */ | 1221 | /* bbt has a version counter at offset veroffs */ |
| @@ -56,7 +56,7 @@ · 55 unmodified lines | |||
| 56 | !Enet/core/filter.c | 56 | !Enet/core/filter.c |
| 57 | </sect1> | 57 | </sect1> |
| 58 | <sect1><title>Generic Network Statistics</title> | 58 | <sect1><title>Generic Network Statistics</title> |
| 59 | !Iinclude/linux/gen_stats.h | 59 | !Iinclude/uapi/linux/gen_stats.h |
| 60 | !Enet/core/gen_stats.c | 60 | !Enet/core/gen_stats.c |
| 61 | !Enet/core/gen_estimator.c | 61 | !Enet/core/gen_estimator.c |
| 62 | </sect1> | 62 | </sect1> |
| @@ -80,7 +80,7 @@ · 17 unmodified lines | |||
| 80 | !Enet/wimax/op-rfkill.c | 80 | !Enet/wimax/op-rfkill.c |
| 81 | !Enet/wimax/stack.c | 81 | !Enet/wimax/stack.c |
| 82 | !Iinclude/net/wimax.h | 82 | !Iinclude/net/wimax.h |
| 83 | !Iinclude/linux/wimax.h | 83 | !Iinclude/uapi/linux/wimax.h |
| 84 | </sect1> | 84 | </sect1> |
| 85 | </chapter> | 85 | </chapter> |
| 86 | 86 | ||
| @@ -42,13 +42,7 @@ The driver interface depends on your hardware. If your system · 41 unmodified lines | |||
| 42 | properly provides the SMBIOS info for IPMI, the driver will detect it | 42 | properly provides the SMBIOS info for IPMI, the driver will detect it |
| 43 | and just work. If you have a board with a standard interface (These | 43 | and just work. If you have a board with a standard interface (These |
| 44 | will generally be either "KCS", "SMIC", or "BT", consult your hardware | 44 | will generally be either "KCS", "SMIC", or "BT", consult your hardware |
| 45 | manual), choose the 'IPMI SI handler' option. A driver also exists | 45 | manual), choose the 'IPMI SI handler' option. |
| 46 | for direct I2C access to the IPMI management controller. Some boards | ||
| 47 | support this, but it is unknown if it will work on every board. For | ||
| 48 | this, choose 'IPMI SMBus handler', but be ready to try to do some | ||
| 49 | figuring to see if it will work on your system if the SMBIOS/APCI | ||
| 50 | information is wrong or not present. It is fairly safe to have both | ||
| 51 | these enabled and let the drivers auto-detect what is present. | ||
| 52 | 46 | ||
| 53 | You should generally enable ACPI on your system, as systems with IPMI | 47 | You should generally enable ACPI on your system, as systems with IPMI |
| 54 | can have ACPI tables describing them. | 48 | can have ACPI tables describing them. |
| @@ -58,8 +52,7 @@ their job correctly, the IPMI controller should be automatically · 3 unmodified lines | |||
| 58 | detected (via ACPI or SMBIOS tables) and should just work. Sadly, | 52 | detected (via ACPI or SMBIOS tables) and should just work. Sadly, |
| 59 | many boards do not have this information. The driver attempts | 53 | many boards do not have this information. The driver attempts |
| 60 | standard defaults, but they may not work. If you fall into this | 54 | standard defaults, but they may not work. If you fall into this |
| 61 | situation, you need to read the section below named 'The SI Driver' or | 55 | situation, you need to read the section below named 'The SI Driver'. |
| 62 | "The SMBus Driver" on how to hand-configure your system. | ||
| 63 | 56 | ||
| 64 | IPMI defines a standard watchdog timer. You can enable this with the | 57 | IPMI defines a standard watchdog timer. You can enable this with the |
| 65 | 'IPMI Watchdog Timer' config option. If you compile the driver into | 58 | 'IPMI Watchdog Timer' config option. If you compile the driver into |
| @@ -104,12 +97,7 @@ driver, each open file for this device ties in to the message handler · 38 unmodified lines | |||
| 104 | as an IPMI user. | 97 | as an IPMI user. |
| 105 | 98 | ||
| 106 | ipmi_si - A driver for various system interfaces. This supports KCS, | 99 | ipmi_si - A driver for various system interfaces. This supports KCS, |
| 107 | SMIC, and BT interfaces. Unless you have an SMBus interface or your | 100 | SMIC, and BT interfaces. |
| 108 | own custom interface, you probably need to use this. | ||
| 109 | |||
| 110 | ipmi_smb - A driver for accessing BMCs on the SMBus. It uses the | ||
| 111 | I2C kernel driver's SMBus interfaces to send and receive IPMI messages | ||
| 112 | over the SMBus. | ||
| 113 | 101 | ||
| 114 | ipmi_watchdog - IPMI requires systems to have a very capable watchdog | 102 | ipmi_watchdog - IPMI requires systems to have a very capable watchdog |
| 115 | timer. This driver implements the standard Linux watchdog timer | 103 | timer. This driver implements the standard Linux watchdog timer |
| @@ -482,53 +470,6 @@ for specifying an interface. Note that when removing an interface, · 366 unmodified lines | |||
| 482 | only the first three parameters (si type, address type, and address) | 470 | only the first three parameters (si type, address type, and address) |
| 483 | are used for the comparison. Any options are ignored for removing. | 471 | are used for the comparison. Any options are ignored for removing. |
| 484 | 472 | ||
| 485 | The SMBus Driver | ||
| 486 | ---------------- | ||
| 487 | |||
| 488 | The SMBus driver allows up to 4 SMBus devices to be configured in the | ||
| 489 | system. By default, the driver will register any SMBus interfaces it finds | ||
| 490 | in the I2C address range of 0x20 to 0x4f on any adapter. You can change this | ||
| 491 | at module load time (for a module) with: | ||
| 492 | |||
| 493 | modprobe ipmi_smb.o | ||
| 494 | addr=<adapter1>,<i2caddr1>[,<adapter2>,<i2caddr2>[,...]] | ||
| 495 | dbg=<flags1>,<flags2>... | ||
| 496 | [defaultprobe=1] [dbg_probe=1] | ||
| 497 | |||
| 498 | The addresses are specified in pairs, the first is the adapter ID and the | ||
| 499 | second is the I2C address on that adapter. | ||
| 500 | |||
| 501 | The debug flags are bit flags for each BMC found, they are: | ||
| 502 | IPMI messages: 1, driver state: 2, timing: 4, I2C probe: 8 | ||
| 503 | |||
| 504 | Setting smb_defaultprobe to zero disabled the default probing of SMBus | ||
| 505 | interfaces at address range 0x20 to 0x4f. This means that only the | ||
| 506 | BMCs specified on the smb_addr line will be detected. | ||
| 507 | |||
| 508 | Setting smb_dbg_probe to 1 will enable debugging of the probing and | ||
| 509 | detection process for BMCs on the SMBusses. | ||
| 510 | |||
| 511 | Discovering the IPMI compliant BMC on the SMBus can cause devices | ||
| 512 | on the I2C bus to fail. The SMBus driver writes a "Get Device ID" IPMI | ||
| 513 | message as a block write to the I2C bus and waits for a response. | ||
| 514 | This action can be detrimental to some I2C devices. It is highly recommended | ||
| 515 | that the known I2c address be given to the SMBus driver in the smb_addr | ||
| 516 | parameter. The default address range will not be used when a smb_addr | ||
| 517 | parameter is provided. | ||
| 518 | |||
| 519 | When compiled into the kernel, the addresses can be specified on the | ||
| 520 | kernel command line as: | ||
| 521 | |||
| 522 | ipmb_smb.addr=<adapter1>,<i2caddr1>[,<adapter2>,<i2caddr2>[,...]] | ||
| 523 | ipmi_smb.dbg=<flags1>,<flags2>... | ||
| 524 | ipmi_smb.defaultprobe=0 ipmi_smb.dbg_probe=1 | ||
| 525 | |||
| 526 | These are the same options as on the module command line. | ||
| 527 | |||
| 528 | Note that you might need some I2C changes if CONFIG_IPMI_PANIC_EVENT | ||
| 529 | is enabled along with this, so the I2C driver knows to run to | ||
| 530 | completion during sending a panic event. | ||
| 531 | |||
| 532 | 473 | ||
| 533 | Other Pieces | 474 | Other Pieces |
| 534 | ------------ | 475 | ------------ |
| @@ -1,8 +1,16 @@ | |||
| 1 | The EtherDrive (R) HOWTO for users of 2.6 kernels is found at ... | 1 | ATA over Ethernet is a network protocol that provides simple access to |
| 2 | block storage on the LAN. | ||
| 2 | 3 | ||
| 3 | http://www.coraid.com/SUPPORT/EtherDrive-HBA | 4 | http://support.coraid.com/documents/AoEr11.txt |
| 4 | 5 | ||
| 5 | It has many tips and hints! | 6 | The EtherDrive (R) HOWTO for 2.6 and 3.x kernels is found at ... |
| 7 | |||
| 8 | http://support.coraid.com/support/linux/EtherDrive-2.6-HOWTO.html | ||
| 9 | |||
| 10 | It has many tips and hints! Please see, especially, recommended | ||
| 11 | tunings for virtual memory: | ||
| 12 | |||
| 13 | http://support.coraid.com/support/linux/EtherDrive-2.6-HOWTO-5.html#ss5.19 | ||
| 6 | 14 | ||
| 7 | The aoetools are userland programs that are designed to work with this | 15 | The aoetools are userland programs that are designed to work with this |
| 8 | driver. The aoetools are on sourceforge. | 16 | driver. The aoetools are on sourceforge. |
| @@ -23,20 +31,12 @@ CREATING DEVICE NODES · 14 unmodified lines | |||
| 23 | There is a udev-install.sh script that shows how to install these | 31 | There is a udev-install.sh script that shows how to install these |
| 24 | rules on your system. | 32 | rules on your system. |
| 25 | 33 | ||
| 26 | If you are not using udev, two scripts are provided in | ||
| 27 | Documentation/aoe as examples of static device node creation for | ||
| 28 | using the aoe driver. | ||
| 29 | |||
| 30 | rm -rf /dev/etherd | ||
| 31 | sh Documentation/aoe/mkdevs.sh /dev/etherd | ||
| 32 | |||
| 33 | ... or to make just one shelf's worth of block device nodes ... | ||
| 34 | |||
| 35 | sh Documentation/aoe/mkshelf.sh /dev/etherd 0 | ||
| 36 | |||
| 37 | There is also an autoload script that shows how to edit | 34 | There is also an autoload script that shows how to edit |
| 38 | /etc/modprobe.d/aoe.conf to ensure that the aoe module is loaded when | 35 | /etc/modprobe.d/aoe.conf to ensure that the aoe module is loaded when |
| 39 | necessary. | 36 | necessary. Preloading the aoe module is preferable to autoloading, |
| 37 | however, because AoE discovery takes a few seconds. It can be | ||
| 38 | confusing when an AoE device is not present the first time the a | ||
| 39 | command is run but appears a second later. | ||
| 40 | 40 | ||
| 41 | USING DEVICE NODES | 41 | USING DEVICE NODES |
| 42 | 42 | ||
| @@ -51,9 +51,9 @@ USING DEVICE NODES · 8 unmodified lines | |||
| 51 | "echo > /dev/etherd/discover" tells the driver to find out what AoE | 51 | "echo > /dev/etherd/discover" tells the driver to find out what AoE |
| 52 | devices are available. | 52 | devices are available. |
| 53 | 53 | ||
| 54 | These character devices may disappear and be replaced by sysfs | 54 | In the future these character devices may disappear and be replaced |
| 55 | counterparts. Using the commands in aoetools insulates users from | 55 | by sysfs counterparts. Using the commands in aoetools insulates |
| 56 | these implementation details. | 56 | users from these implementation details. |
| 57 | 57 | ||
| 58 | The block devices are named like this: | 58 | The block devices are named like this: |
| 59 | 59 | ||
| @@ -76,8 +76,8 @@ USING SYSFS · 16 unmodified lines | |||
| 76 | The netif attribute is the network interface on the localhost | 76 | The netif attribute is the network interface on the localhost |
| 77 | through which we are communicating with the remote AoE device. | 77 | through which we are communicating with the remote AoE device. |
| 78 | 78 | ||
| 79 | There is a script in this directory that formats this information | 79 | There is a script in this directory that formats this information in |
| 80 | in a convenient way. Users with aoetools can use the aoe-stat | 80 | a convenient way. Users with aoetools should use the aoe-stat |
| 81 | command. | 81 | command. |
| 82 | 82 | ||
| 83 | root@makki root# sh Documentation/aoe/status.sh | 83 | root@makki root# sh Documentation/aoe/status.sh |
| @@ -121,3 +121,21 @@ DRIVER OPTIONS · 37 unmodified lines | |||
| 121 | usage example for the module parameter. | 121 | usage example for the module parameter. |
| 122 | 122 | ||
| 123 | modprobe aoe_iflist="eth1 eth3" | 123 | modprobe aoe_iflist="eth1 eth3" |
| 124 | |||
| 125 | The aoe_deadsecs module parameter determines the maximum number of | ||
| 126 | seconds that the driver will wait for an AoE device to provide a | ||
| 127 | response to an AoE command. After aoe_deadsecs seconds have | ||
| 128 | elapsed, the AoE device will be marked as "down". | ||
| 129 | |||
| 130 | The aoe_maxout module parameter has a default of 128. This is the | ||
| 131 | maximum number of unresponded packets that will be sent to an AoE | ||
| 132 | target at one time. | ||
| 133 | |||
| 134 | The aoe_dyndevs module parameter defaults to 1, meaning that the | ||
| 135 | driver will assign a block device minor number to a discovered AoE | ||
| 136 | target based on the order of its discovery. With dynamic minor | ||
| 137 | device numbers in use, a greater range of AoE shelf and slot | ||
| 138 | addresses can be supported. Users with udev will never have to | ||
| 139 | think about minor numbers. Using aoe_dyndevs=0 allows device nodes | ||
| 140 | to be pre-created using a static minor-number scheme with the | ||
| 141 | aoe-mkshelf script in the aoetools. | ||
| @@ -1,41 +0,0 @@ | |||
| 1 | #!/bin/sh | ||
| 2 | |||
| 3 | n_shelves=${n_shelves:-10} | ||
| 4 | n_partitions=${n_partitions:-16} | ||
| 5 | |||
| 6 | if test "$#" != "1"; then | ||
| 7 | echo "Usage: sh `basename $0` {dir}" 1>&2 | ||
| 8 | echo " n_partitions=16 sh `basename $0` {dir}" 1>&2 | ||
| 9 | exit 1 | ||
| 10 | fi | ||
| 11 | dir=$1 | ||
| 12 | |||
| 13 | MAJOR=152 | ||
| 14 | |||
| 15 | echo "Creating AoE devnode files in $dir ..." | ||
| 16 | |||
| 17 | set -e | ||
| 18 | |||
| 19 | mkdir -p $dir | ||
| 20 | |||
| 21 | # (Status info is in sysfs. See status.sh.) | ||
| 22 | # rm -f $dir/stat | ||
| 23 | # mknod -m 0400 $dir/stat c $MAJOR 1 | ||
| 24 | rm -f $dir/err | ||
| 25 | mknod -m 0400 $dir/err c $MAJOR 2 | ||
| 26 | rm -f $dir/discover | ||
| 27 | mknod -m 0200 $dir/discover c $MAJOR 3 | ||
| 28 | rm -f $dir/interfaces | ||
| 29 | mknod -m 0200 $dir/interfaces c $MAJOR 4 | ||
| 30 | rm -f $dir/revalidate | ||
| 31 | mknod -m 0200 $dir/revalidate c $MAJOR 5 | ||
| 32 | rm -f $dir/flush | ||
| 33 | mknod -m 0200 $dir/flush c $MAJOR 6 | ||
| 34 | |||
| 35 | export n_partitions | ||
| 36 | mkshelf=`echo $0 | sed 's!mkdevs!mkshelf!'` | ||
| 37 | i=0 | ||
| 38 | while test $i -lt $n_shelves; do | ||
| 39 | sh -xc "sh $mkshelf $dir $i" | ||
| 40 | i=`expr $i + 1` | ||
| 41 | done | ||
| @@ -1,28 +0,0 @@ | |||
| 1 | #! /bin/sh | ||
| 2 | |||
| 3 | if test "$#" != "2"; then | ||
| 4 | echo "Usage: sh `basename $0` {dir} {shelfaddress}" 1>&2 | ||
| 5 | echo " n_partitions=16 sh `basename $0` {dir} {shelfaddress}" 1>&2 | ||
| 6 | exit 1 | ||
| 7 | fi | ||
| 8 | n_partitions=${n_partitions:-16} | ||
| 9 | dir=$1 | ||
| 10 | shelf=$2 | ||
| 11 | nslots=16 | ||
| 12 | maxslot=`echo $nslots 1 - p | dc` | ||
| 13 | MAJOR=152 | ||
| 14 | |||
| 15 | set -e | ||
| 16 | |||
| 17 | minor=`echo $nslots \* $shelf \* $n_partitions | bc` | ||
| 18 | endp=`echo $n_partitions - 1 | bc` | ||
| 19 | for slot in `seq 0 $maxslot`; do | ||
| 20 | for part in `seq 0 $endp`; do | ||
| 21 | name=e$shelf.$slot | ||
| 22 | test "$part" != "0" && name=${name}p$part | ||
| 23 | rm -f $dir/$name | ||
| 24 | mknod -m 0660 $dir/$name b $MAJOR $minor | ||
| 25 | |||
| 26 | minor=`expr $minor + 1` | ||
| 27 | done | ||
| 28 | done | ||
| @@ -1,5 +1,8 @@ | |||
| 1 | #! /bin/sh | 1 | #! /bin/sh |
| 2 | # collate and present sysfs information about AoE storage | 2 | # collate and present sysfs information about AoE storage |
| 3 | # | ||
| 4 | # A more complete version of this script is aoe-stat, in the | ||
| 5 | # aoetools. | ||
| 3 | 6 | ||
| 4 | set -e | 7 | set -e |
| 5 | format="%8s\t%8s\t%8s\n" | 8 | format="%8s\t%8s\t%8s\n" |
| @@ -154,13 +154,33 @@ In either case, the following conditions must be met: · 153 unmodified lines | |||
| 154 | 154 | ||
| 155 | - CPU mode | 155 | - CPU mode |
| 156 | All forms of interrupts must be disabled (IRQs and FIQs) | 156 | All forms of interrupts must be disabled (IRQs and FIQs) |
| 157 | The CPU must be in SVC mode. (A special exception exists for Angel) | 157 | |
| 158 | For CPUs which do not include the ARM virtualization extensions, the | ||
| 159 | CPU must be in SVC mode. (A special exception exists for Angel) | ||
| 160 | |||
| 161 | CPUs which include support for the virtualization extensions can be | ||
| 162 | entered in HYP mode in order to enable the kernel to make full use of | ||
| 163 | these extensions. This is the recommended boot method for such CPUs, | ||
| 164 | unless the virtualisations are already in use by a pre-installed | ||
| 165 | hypervisor. | ||
| 166 | |||
| 167 | If the kernel is not entered in HYP mode for any reason, it must be | ||
| 168 | entered in SVC mode. | ||
| 158 | 169 | ||
| 159 | - Caches, MMUs | 170 | - Caches, MMUs |
| 160 | The MMU must be off. | 171 | The MMU must be off. |
| 161 | Instruction cache may be on or off. | 172 | Instruction cache may be on or off. |
| 162 | Data cache must be off. | 173 | Data cache must be off. |
| 163 | 174 | ||
| 175 | If the kernel is entered in HYP mode, the above requirements apply to | ||
| 176 | the HYP mode configuration in addition to the ordinary PL1 (privileged | ||
| 177 | kernel modes) configuration. In addition, all traps into the | ||
| 178 | hypervisor must be disabled, and PL1 access must be granted for all | ||
| 179 | peripherals and CPU resources for which this is architecturally | ||
| 180 | possible. Except for entering in HYP mode, the system configuration | ||
| 181 | should be such that a kernel which does not include support for the | ||
| 182 | virtualization extensions can boot correctly without extra help. | ||
| 183 | |||
| 164 | - The boot loader is expected to call the kernel image by jumping | 184 | - The boot loader is expected to call the kernel image by jumping |
| 165 | directly to the first instruction of the kernel image. | 185 | directly to the first instruction of the kernel image. |
| 166 | 186 | ||
| @@ -0,0 +1,232 @@ | |||
| 1 | ARM Marvell SoCs | ||
| 2 | ================ | ||
| 3 | |||
| 4 | This document lists all the ARM Marvell SoCs that are currently | ||
| 5 | supported in mainline by the Linux kernel. As the Marvell families of | ||
| 6 | SoCs are large and complex, it is hard to understand where the support | ||
| 7 | for a particular SoC is available in the Linux kernel. This document | ||
| 8 | tries to help in understanding where those SoCs are supported, and to | ||
| 9 | match them with their corresponding public datasheet, when available. | ||
| 10 | |||
| 11 | Orion family | ||
| 12 | ------------ | ||
| 13 | |||
| 14 | Flavors: | ||
| 15 | 88F5082 | ||
| 16 | 88F5181 | ||
| 17 | 88F5181L | ||
| 18 | 88F5182 | ||
| 19 | Datasheet : http://www.embeddedarm.com/documentation/third-party/MV88F5182-datasheet.pdf | ||
| 20 | Programmer's User Guide : http://www.embeddedarm.com/documentation/third-party/MV88F5182-opensource-manual.pdf | ||
| 21 | User Manual : http://www.embeddedarm.com/documentation/third-party/MV88F5182-usermanual.pdf | ||
| 22 | 88F5281 | ||
| 23 | Datasheet : http://www.ocmodshop.com/images/reviews/networking/qnap_ts409u/marvel_88f5281_data_sheet.pdf | ||
| 24 | 88F6183 | ||
| 25 | Core: Feroceon ARMv5 compatible | ||
| 26 | Linux kernel mach directory: arch/arm/mach-orion5x | ||
| 27 | Linux kernel plat directory: arch/arm/plat-orion | ||
| 28 | |||
| 29 | Kirkwood family | ||
| 30 | --------------- | ||
| 31 | |||
| 32 | Flavors: | ||
| 33 | 88F6282 a.k.a Armada 300 | ||
| 34 | Product Brief : http://www.marvell.com/embedded-processors/armada-300/assets/armada_310.pdf | ||
| 35 | 88F6283 a.k.a Armada 310 | ||
| 36 | Product Brief : http://www.marvell.com/embedded-processors/armada-300/assets/armada_310.pdf | ||
| 37 | 88F6190 | ||
| 38 | Product Brief : http://www.marvell.com/embedded-processors/kirkwood/assets/88F6190-003_WEB.pdf | ||
| 39 | Hardware Spec : http://www.marvell.com/embedded-processors/kirkwood/assets/HW_88F619x_OpenSource.pdf | ||
| 40 | Functional Spec: http://www.marvell.com/embedded-processors/kirkwood/assets/FS_88F6180_9x_6281_OpenSource.pdf | ||
| 41 | 88F6192 | ||
| 42 | Product Brief : http://www.marvell.com/embedded-processors/kirkwood/assets/88F6192-003_ver1.pdf | ||
| 43 | Hardware Spec : http://www.marvell.com/embedded-processors/kirkwood/assets/HW_88F619x_OpenSource.pdf | ||
| 44 | Functional Spec: http://www.marvell.com/embedded-processors/kirkwood/assets/FS_88F6180_9x_6281_OpenSource.pdf | ||
| 45 | 88F6182 | ||
| 46 | 88F6180 | ||
| 47 | Product Brief : http://www.marvell.com/embedded-processors/kirkwood/assets/88F6180-003_ver1.pdf | ||
| 48 | Hardware Spec : http://www.marvell.com/embedded-processors/kirkwood/assets/HW_88F6180_OpenSource.pdf | ||
| 49 | Functional Spec: http://www.marvell.com/embedded-processors/kirkwood/assets/FS_88F6180_9x_6281_OpenSource.pdf | ||
| 50 | 88F6281 | ||
| 51 | Product Brief : http://www.marvell.com/embedded-processors/kirkwood/assets/88F6281-004_ver1.pdf | ||
| 52 | Hardware Spec : http://www.marvell.com/embedded-processors/kirkwood/assets/HW_88F6281_OpenSource.pdf | ||
| 53 | Functional Spec: http://www.marvell.com/embedded-processors/kirkwood/assets/FS_88F6180_9x_6281_OpenSource.pdf | ||
| 54 | Homepage: http://www.marvell.com/embedded-processors/kirkwood/ | ||
| 55 | Core: Feroceon ARMv5 compatible | ||
| 56 | Linux kernel mach directory: arch/arm/mach-kirkwood | ||
| 57 | Linux kernel plat directory: arch/arm/plat-orion | ||
| 58 | |||
| 59 | Discovery family | ||
| 60 | ---------------- | ||
| 61 | |||
| 62 | Flavors: | ||
| 63 | MV78100 | ||
| 64 | Product Brief : http://www.marvell.com/embedded-processors/discovery-innovation/assets/MV78100-003_WEB.pdf | ||
| 65 | Hardware Spec : http://www.marvell.com/embedded-processors/discovery-innovation/assets/HW_MV78100_OpenSource.pdf | ||
| 66 | Functional Spec: http://www.marvell.com/embedded-processors/discovery-innovation/assets/FS_MV76100_78100_78200_OpenSource.pdf | ||
| 67 | MV78200 | ||
| 68 | Product Brief : http://www.marvell.com/embedded-processors/discovery-innovation/assets/MV78200-002_WEB.pdf | ||
| 69 | Hardware Spec : http://www.marvell.com/embedded-processors/discovery-innovation/assets/HW_MV78200_OpenSource.pdf | ||
| 70 | Functional Spec: http://www.marvell.com/embedded-processors/discovery-innovation/assets/FS_MV76100_78100_78200_OpenSource.pdf | ||
| 71 | MV76100 | ||
| 72 | Not supported by the Linux kernel. | ||
| 73 | |||
| 74 | Core: Feroceon ARMv5 compatible | ||
| 75 | |||
| 76 | Linux kernel mach directory: arch/arm/mach-mv78xx0 | ||
| 77 | Linux kernel plat directory: arch/arm/plat-orion | ||
| 78 | |||
| 79 | EBU Armada family | ||
| 80 | ----------------- | ||
| 81 | |||
| 82 | Armada 370 Flavors: | ||
| 83 | 88F6710 | ||
| 84 | 88F6707 | ||
| 85 | 88F6W11 | ||
| 86 | |||
| 87 | Armada XP Flavors: | ||
| 88 | MV78230 | ||
| 89 | MV78260 | ||
| 90 | MV78460 | ||
| 91 | |||
| 92 | Product Brief: http://www.marvell.com/embedded-processors/armada-xp/assets/Marvell-ArmadaXP-SoC-product%20brief.pdf | ||
| 93 | No public datasheet available. | ||
| 94 | |||
| 95 | Core: Sheeva ARMv7 compatible | ||
| 96 | |||
| 97 | Linux kernel mach directory: arch/arm/mach-mvebu | ||
| 98 | Linux kernel plat directory: none | ||
| 99 | |||
| 100 | Avanta family | ||
| 101 | ------------- | ||
| 102 | |||
| 103 | Flavors: | ||
| 104 | 88F6510 | ||
| 105 | 88F6530P | ||
| 106 | 88F6550 | ||
| 107 | 88F6560 | ||
| 108 | Homepage : http://www.marvell.com/broadband/ | ||
| 109 | Product Brief: http://www.marvell.com/broadband/assets/Marvell_Avanta_88F6510_305_060-001_product_brief.pdf | ||
| 110 | No public datasheet available. | ||
| 111 | |||
| 112 | Core: ARMv5 compatible | ||
| 113 | |||
| 114 | Linux kernel mach directory: no code in mainline yet, planned for the future | ||
| 115 | Linux kernel plat directory: no code in mainline yet, planned for the future | ||
| 116 | |||
| 117 | Dove family (application processor) | ||
| 118 | ----------------------------------- | ||
| 119 | |||
| 120 | Flavors: | ||
| 121 | 88AP510 a.k.a Armada 510 | ||
| 122 | Product Brief : http://www.marvell.com/application-processors/armada-500/assets/Marvell_Armada510_SoC.pdf | ||
| 123 | Hardware Spec : http://www.marvell.com/application-processors/armada-500/assets/Armada-510-Hardware-Spec.pdf | ||
| 124 | Functional Spec : http://www.marvell.com/application-processors/armada-500/assets/Armada-510-Functional-Spec.pdf | ||
| 125 | Homepage: http://www.marvell.com/application-processors/armada-500/ | ||
| 126 | Core: ARMv7 compatible | ||
| 127 | Directory: arch/arm/mach-dove | ||
| 128 | |||
| 129 | PXA 2xx/3xx/93x/95x family | ||
| 130 | -------------------------- | ||
| 131 | |||
| 132 | Flavors: | ||
| 133 | PXA21x, PXA25x, PXA26x | ||
| 134 | Application processor only | ||
| 135 | Core: ARMv5 XScale core | ||
| 136 | PXA270, PXA271, PXA272 | ||
| 137 | Product Brief : http://www.marvell.com/application-processors/pxa-family/assets/pxa_27x_pb.pdf | ||
| 138 | Design guide : http://www.marvell.com/application-processors/pxa-family/assets/pxa_27x_design_guide.pdf | ||
| 139 | Developers manual : http://www.marvell.com/application-processors/pxa-family/assets/pxa_27x_dev_man.pdf | ||
| 140 | Specification : http://www.marvell.com/application-processors/pxa-family/assets/pxa_27x_emts.pdf | ||
| 141 | Specification update : http://www.marvell.com/application-processors/pxa-family/assets/pxa_27x_spec_update.pdf | ||
| 142 | Application processor only | ||
| 143 | Core: ARMv5 XScale core | ||
| 144 | PXA300, PXA310, PXA320 | ||
| 145 | PXA 300 Product Brief : http://www.marvell.com/application-processors/pxa-family/assets/PXA300_PB_R4.pdf | ||
| 146 | PXA 310 Product Brief : http://www.marvell.com/application-processors/pxa-family/assets/PXA310_PB_R4.pdf | ||
| 147 | PXA 320 Product Brief : http://www.marvell.com/application-processors/pxa-family/assets/PXA320_PB_R4.pdf | ||
| 148 | Design guide : http://www.marvell.com/application-processors/pxa-family/assets/PXA3xx_Design_Guide.pdf | ||
| 149 | Developers manual : http://www.marvell.com/application-processors/pxa-family/assets/PXA3xx_Developers_Manual.zip | ||
| 150 | Specifications : http://www.marvell.com/application-processors/pxa-family/assets/PXA3xx_EMTS.pdf | ||
| 151 | Specification Update : http://www.marvell.com/application-processors/pxa-family/assets/PXA3xx_Spec_Update.zip | ||
| 152 | Reference Manual : http://www.marvell.com/application-processors/pxa-family/assets/PXA3xx_TavorP_BootROM_Ref_Manual.pdf | ||
| 153 | Application processor only | ||
| 154 | Core: ARMv5 XScale core | ||
| 155 | PXA930, PXA935 | ||
| 156 | Application processor with Communication processor | ||
| 157 | Core: ARMv5 XScale core | ||
| 158 | PXA955 | ||
| 159 | Application processor with Communication processor | ||
| 160 | Core: ARMv7 compatible Sheeva PJ4 core | ||
| 161 | |||
| 162 | Comments: | ||
| 163 | |||
| 164 | * This line of SoCs originates from the XScale family developed by | ||
| 165 | Intel and acquired by Marvell in ~2006. The PXA21x, PXA25x, | ||
| 166 | PXA26x, PXA27x, PXA3xx and PXA93x were developed by Intel, while | ||
| 167 | the later PXA95x were developed by Marvell. | ||
| 168 | |||
| 169 | * Due to their XScale origin, these SoCs have virtually nothing in | ||
| 170 | common with the other (Kirkwood, Dove, etc.) families of Marvell | ||
| 171 | SoCs, except with the MMP/MMP2 family of SoCs. | ||
| 172 | |||
| 173 | Linux kernel mach directory: arch/arm/mach-pxa | ||
| 174 | Linux kernel plat directory: arch/arm/plat-pxa | ||
| 175 | |||
| 176 | MMP/MMP2 family (communication processor) | ||
| 177 | ----------------------------------------- | ||
| 178 | |||
| 179 | Flavors: | ||
| 180 | PXA168, a.k.a Armada 168 | ||
| 181 | Homepage : http://www.marvell.com/application-processors/armada-100/armada-168.jsp | ||
| 182 | Product brief : http://www.marvell.com/application-processors/armada-100/assets/pxa_168_pb.pdf | ||
| 183 | Hardware manual : http://www.marvell.com/application-processors/armada-100/assets/armada_16x_datasheet.pdf | ||
| 184 | Software manual : http://www.marvell.com/application-processors/armada-100/assets/armada_16x_software_manual.pdf | ||
| 185 | Specification update : http://www.marvell.com/application-processors/armada-100/assets/ARMADA16x_Spec_update.pdf | ||
| 186 | Boot ROM manual : http://www.marvell.com/application-processors/armada-100/assets/armada_16x_ref_manual.pdf | ||
| 187 | App node package : http://www.marvell.com/application-processors/armada-100/assets/armada_16x_app_note_package.pdf | ||
| 188 | Application processor only | ||
| 189 | Core: ARMv5 compatible Marvell PJ1 (Mohawk) | ||
| 190 | PXA910 | ||
| 191 | Homepage : http://www.marvell.com/communication-processors/pxa910/ | ||
| 192 | Product Brief : http://www.marvell.com/communication-processors/pxa910/assets/Marvell_PXA910_Platform-001_PB_final.pdf | ||
| 193 | Application processor with Communication processor | ||
| 194 | Core: ARMv5 compatible Marvell PJ1 (Mohawk) | ||
| 195 | MMP2, a.k.a Armada 610 | ||
| 196 | Product Brief : http://www.marvell.com/application-processors/armada-600/assets/armada610_pb.pdf | ||
| 197 | Application processor only | ||
| 198 | Core: ARMv7 compatible Sheeva PJ4 core | ||
| 199 | |||
| 200 | Comments: | ||
| 201 | |||
| 202 | * This line of SoCs originates from the XScale family developed by | ||
| 203 | Intel and acquired by Marvell in ~2006. All the processors of | ||
| 204 | this MMP/MMP2 family were developed by Marvell. | ||
| 205 | |||
| 206 | * Due to their XScale origin, these SoCs have virtually nothing in | ||
| 207 | common with the other (Kirkwood, Dove, etc.) families of Marvell | ||
| 208 | SoCs, except with the PXA family of SoCs listed above. | ||
| 209 | |||
| 210 | Linux kernel mach directory: arch/arm/mach-mmp | ||
| 211 | Linux kernel plat directory: arch/arm/plat-pxa | ||
| 212 | |||
| 213 | Long-term plans | ||
| 214 | --------------- | ||
| 215 | |||
| 216 | * Unify the mach-dove/, mach-mv78xx0/, mach-orion5x/ and | ||
| 217 | mach-kirkwood/ into the mach-mvebu/ to support all SoCs from the | ||
| 218 | Marvell EBU (Engineering Business Unit) in a single mach-<foo> | ||
| 219 | directory. The plat-orion/ would therefore disappear. | ||
| 220 | |||
| 221 | * Unify the mach-mmp/ and mach-pxa/ into the same mach-pxa | ||
| 222 | directory. The plat-pxa/ would therefore disappear. | ||
| 223 | |||
| 224 | Credits | ||
| 225 | ------- | ||
| 226 | |||
| 227 | Maen Suleiman <maen@marvell.com> | ||
| 228 | Lior Amsalem <alior@marvell.com> | ||
| 229 | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | ||
| 230 | Andrew Lunn <andrew@lunn.ch> | ||
| 231 | Nicolas Pitre <nico@fluxnic.net> | ||
| 232 | Eric Miao <eric.y.miao@gmail.com> | ||
| @@ -1,4 +1,4 @@ | |||
| 1 | S3C2410 GPIO Control | 1 | S3C24XX GPIO Control |
| 2 | ==================== | 2 | ==================== |
| 3 | 3 | ||
| 4 | Introduction | 4 | Introduction |
| @@ -12,7 +12,7 @@ Introduction · 7 unmodified lines | |||
| 12 | of the s3c2410 GPIO system, please read the Samsung provided | 12 | of the s3c2410 GPIO system, please read the Samsung provided |
| 13 | data-sheet/users manual to find out the complete list. | 13 | data-sheet/users manual to find out the complete list. |
| 14 | 14 | ||
| 15 | See Documentation/arm/Samsung/GPIO.txt for the core implemetation. | 15 | See Documentation/arm/Samsung/GPIO.txt for the core implementation. |
| 16 | 16 | ||
| 17 | 17 | ||
| 18 | GPIOLIB | 18 | GPIOLIB |
| @@ -41,8 +41,8 @@ GPIOLIB · 22 unmodified lines | |||
| 41 | GPIOLIB conversion | 41 | GPIOLIB conversion |
| 42 | ------------------ | 42 | ------------------ |
| 43 | 43 | ||
| 44 | If you need to convert your board or driver to use gpiolib from the exiting | 44 | If you need to convert your board or driver to use gpiolib from the phased |
| 45 | s3c2410 api, then here are some notes on the process. | 45 | out s3c2410 API, then here are some notes on the process. |
| 46 | 46 | ||
| 47 | 1) If your board is exclusively using an GPIO, say to control peripheral | 47 | 1) If your board is exclusively using an GPIO, say to control peripheral |
| 48 | power, then it will require to claim the gpio with gpio_request() before | 48 | power, then it will require to claim the gpio with gpio_request() before |
| @@ -55,7 +55,7 @@ s3c2410 api, then here are some notes on the process. · 6 unmodified lines | |||
| 55 | as they have the same arguments, and can either take the pin specific | 55 | as they have the same arguments, and can either take the pin specific |
| 56 | values, or the more generic special-function-number arguments. | 56 | values, or the more generic special-function-number arguments. |
| 57 | 57 | ||
| 58 | 3) s3c2410_gpio_pullup() changs have the problem that whilst the | 58 | 3) s3c2410_gpio_pullup() changes have the problem that whilst the |
| 59 | s3c2410_gpio_pullup(x, 1) can be easily translated to the | 59 | s3c2410_gpio_pullup(x, 1) can be easily translated to the |
| 60 | s3c_gpio_setpull(x, S3C_GPIO_PULL_NONE), the s3c2410_gpio_pullup(x, 0) | 60 | s3c_gpio_setpull(x, S3C_GPIO_PULL_NONE), the s3c2410_gpio_pullup(x, 0) |
| 61 | are not so easy. | 61 | are not so easy. |
| @@ -74,7 +74,7 @@ s3c2410 api, then here are some notes on the process. · 12 unmodified lines | |||
| 74 | when using gpio_get_value() on an output pin (s3c2410_gpio_getpin | 74 | when using gpio_get_value() on an output pin (s3c2410_gpio_getpin |
| 75 | would return the value the pin is supposed to be outputting). | 75 | would return the value the pin is supposed to be outputting). |
| 76 | 76 | ||
| 77 | 6) s3c2410_gpio_getirq() should be directly replacable with the | 77 | 6) s3c2410_gpio_getirq() should be directly replaceable with the |
| 78 | gpio_to_irq() call. | 78 | gpio_to_irq() call. |
| 79 | 79 | ||
| 80 | The s3c2410_gpio and gpio_ calls have always operated on the same gpio | 80 | The s3c2410_gpio and gpio_ calls have always operated on the same gpio |
| @@ -105,7 +105,7 @@ PIN Numbers · 24 unmodified lines | |||
| 105 | ----------- | 105 | ----------- |
| 106 | 106 | ||
| 107 | Each pin has an unique number associated with it in regs-gpio.h, | 107 | Each pin has an unique number associated with it in regs-gpio.h, |
| 108 | eg S3C2410_GPA(0) or S3C2410_GPF(1). These defines are used to tell | 108 | e.g. S3C2410_GPA(0) or S3C2410_GPF(1). These defines are used to tell |
| 109 | the GPIO functions which pin is to be used. | 109 | the GPIO functions which pin is to be used. |
| 110 | 110 | ||
| 111 | With the conversion to gpiolib, there is no longer a direct conversion | 111 | With the conversion to gpiolib, there is no longer a direct conversion |
| @@ -120,31 +120,27 @@ Configuring a pin · 8 unmodified lines | |||
| 120 | The following function allows the configuration of a given pin to | 120 | The following function allows the configuration of a given pin to |
| 121 | be changed. | 121 | be changed. |
| 122 | 122 | ||
| 123 | void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function); | 123 | void s3c_gpio_cfgpin(unsigned int pin, unsigned int function); |
| 124 | 124 | ||
| 125 | Eg: | 125 | e.g.: |
| 126 | 126 | ||
| 127 | s3c2410_gpio_cfgpin(S3C2410_GPA(0), S3C2410_GPA0_ADDR0); | 127 | s3c_gpio_cfgpin(S3C2410_GPA(0), S3C_GPIO_SFN(1)); |
| 128 | s3c2410_gpio_cfgpin(S3C2410_GPE(8), S3C2410_GPE8_SDDAT1); | 128 | s3c_gpio_cfgpin(S3C2410_GPE(8), S3C_GPIO_SFN(2)); |
| 129 | 129 | ||
| 130 | which would turn GPA(0) into the lowest Address line A0, and set | 130 | which would turn GPA(0) into the lowest Address line A0, and set |
| 131 | GPE(8) to be connected to the SDIO/MMC controller's SDDAT1 line. | 131 | GPE(8) to be connected to the SDIO/MMC controller's SDDAT1 line. |
| 132 | 132 | ||
| 133 | The s3c_gpio_cfgpin() call is a functional replacement for this call. | ||
| 134 | |||
| 135 | 133 | ||
| 136 | Reading the current configuration | 134 | Reading the current configuration |
| 137 | --------------------------------- | 135 | --------------------------------- |
| 138 | 136 | ||
| 139 | The current configuration of a pin can be read by using: | 137 | The current configuration of a pin can be read by using standard |
| 138 | gpiolib function: | ||
| 140 | 139 | ||
| 141 | s3c2410_gpio_getcfg(unsigned int pin); | 140 | s3c_gpio_getcfg(unsigned int pin); |
| 142 | 141 | ||
| 143 | The return value will be from the same set of values which can be | 142 | The return value will be from the same set of values which can be |
| 144 | passed to s3c2410_gpio_cfgpin(). | 143 | passed to s3c_gpio_cfgpin(). |
| 145 | |||
| 146 | The s3c_gpio_getcfg() call should be a functional replacement for | ||
| 147 | this call. | ||
| 148 | 144 | ||
| 149 | 145 | ||
| 150 | Configuring a pull-up resistor | 146 | Configuring a pull-up resistor |
| @@ -154,61 +150,33 @@ Configuring a pull-up resistor · 3 unmodified lines | |||
| 154 | pull-up resistors enabled. This can be configured by the following | 150 | pull-up resistors enabled. This can be configured by the following |
| 155 | function: | 151 | function: |
| 156 | 152 | ||
| 157 | void s3c2410_gpio_pullup(unsigned int pin, unsigned int to); | 153 | void s3c_gpio_setpull(unsigned int pin, unsigned int to); |
| 158 | |||
| 159 | Where the to value is zero to set the pull-up off, and 1 to enable | ||
| 160 | the specified pull-up. Any other values are currently undefined. | ||
| 161 | |||
| 162 | The s3c_gpio_setpull() offers similar functionality, but with the | ||
| 163 | ability to encode whether the pull is up or down. Currently there | ||
| 164 | is no 'just on' state, so up or down must be selected. | ||
| 165 | |||
| 166 | |||
| 167 | Getting the state of a PIN | ||
| 168 | -------------------------- | ||
| 169 | |||
| 170 | The state of a pin can be read by using the function: | ||
| 171 | |||
| 172 | unsigned int s3c2410_gpio_getpin(unsigned int pin); | ||
| 173 | 154 | ||
| 174 | This will return either zero or non-zero. Do not count on this | 155 | Where the to value is S3C_GPIO_PULL_NONE to set the pull-up off, |
| 175 | function returning 1 if the pin is set. | 156 | and S3C_GPIO_PULL_UP to enable the specified pull-up. Any other |
| 157 | values are currently undefined. | ||
| 176 | 158 | ||
| 177 | This call is now implemented by the relevant gpiolib calls, convert | ||
| 178 | your board or driver to use gpiolib. | ||
| 179 | |||
| 180 | |||
| 181 | Setting the state of a PIN | ||
| 182 | -------------------------- | ||
| 183 | |||
| 184 | The value an pin is outputing can be modified by using the following: | ||
| 185 | 159 | ||
| 186 | void s3c2410_gpio_setpin(unsigned int pin, unsigned int to); | 160 | Getting and setting the state of a PIN |
| 161 | -------------------------------------- | ||
| 187 | 162 | ||
| 188 | Which sets the given pin to the value. Use 0 to write 0, and 1 to | 163 | These calls are now implemented by the relevant gpiolib calls, convert |
| 189 | set the output to 1. | ||
| 190 | |||
| 191 | This call is now implemented by the relevant gpiolib calls, convert | ||
| 192 | your board or driver to use gpiolib. | 164 | your board or driver to use gpiolib. |
| 193 | 165 | ||
| 194 | 166 | ||
| 195 | Getting the IRQ number associated with a PIN | 167 | Getting the IRQ number associated with a PIN |
| 196 | -------------------------------------------- | 168 | -------------------------------------------- |
| 197 | 169 | ||
| 198 | The following function can map the given pin number to an IRQ | 170 | A standard gpiolib function can map the given pin number to an IRQ |
| 199 | number to pass to the IRQ system. | 171 | number to pass to the IRQ system. |
| 200 | 172 | ||
| 201 | int s3c2410_gpio_getirq(unsigned int pin); | 173 | int gpio_to_irq(unsigned int pin); |
| 202 | 174 | ||
| 203 | Note, not all pins have an IRQ. | 175 | Note, not all pins have an IRQ. |
| 204 | 176 | ||
| 205 | This call is now implemented by the relevant gpiolib calls, convert | ||
| 206 | your board or driver to use gpiolib. | ||
| 207 | |||
| 208 | 177 | ||
| 209 | Authour | 178 | Author |
| 210 | ------- | 179 | ------- |
| 211 | 180 | ||
| 212 | |||
| 213 | Ben Dooks, 03 October 2004 | 181 | Ben Dooks, 03 October 2004 |
| 214 | Copyright 2004 Ben Dooks, Simtec Electronics | 182 | Copyright 2004 Ben Dooks, Simtec Electronics |
| @@ -5,14 +5,14 @@ Introduction · 4 unmodified lines | |||
| 5 | ------------ | 5 | ------------ |
| 6 | 6 | ||
| 7 | This outlines the Samsung GPIO implementation and the architecture | 7 | This outlines the Samsung GPIO implementation and the architecture |
| 8 | specific calls provided alongisde the drivers/gpio core. | 8 | specific calls provided alongside the drivers/gpio core. |
| 9 | 9 | ||
| 10 | 10 | ||
| 11 | S3C24XX (Legacy) | 11 | S3C24XX (Legacy) |
| 12 | ---------------- | 12 | ---------------- |
| 13 | 13 | ||
| 14 | See Documentation/arm/Samsung-S3C24XX/GPIO.txt for more information | 14 | See Documentation/arm/Samsung-S3C24XX/GPIO.txt for more information |
| 15 | about these devices. Their implementation is being brought into line | 15 | about these devices. Their implementation has been brought into line |
| 16 | with the core samsung implementation described in this document. | 16 | with the core samsung implementation described in this document. |
| 17 | 17 | ||
| 18 | 18 | ||
| @@ -29,7 +29,7 @@ GPIO numbering is synchronised between the Samsung and gpiolib system. · 10 unmodified lines | |||
| 29 | PIN configuration | 29 | PIN configuration |
| 30 | ----------------- | 30 | ----------------- |
| 31 | 31 | ||
| 32 | Pin configuration is specific to the Samsung architecutre, with each SoC | 32 | Pin configuration is specific to the Samsung architecture, with each SoC |
| 33 | registering the necessary information for the core gpio configuration | 33 | registering the necessary information for the core gpio configuration |
| 34 | implementation to configure pins as necessary. | 34 | implementation to configure pins as necessary. |
| 35 | 35 | ||
| @@ -38,5 +38,3 @@ driver or machine to change gpio configuration. · 2 unmodified lines | |||
| 38 | 38 | ||
| 39 | See arch/arm/plat-samsung/include/plat/gpio-cfg.h for more information | 39 | See arch/arm/plat-samsung/include/plat/gpio-cfg.h for more information |
| 40 | on these functions. | 40 | on these functions. |
| 41 | |||
| 42 | |||
| @@ -51,6 +51,9 @@ ffc00000 ffefffff DMA memory mapping region. Memory returned · 50 unmodified lines | |||
| 51 | ff000000 ffbfffff Reserved for future expansion of DMA | 51 | ff000000 ffbfffff Reserved for future expansion of DMA |
| 52 | mapping region. | 52 | mapping region. |
| 53 | 53 | ||
| 54 | fee00000 feffffff Mapping of PCI I/O space. This is a static | ||
| 55 | mapping within the vmalloc space. | ||
| 56 | |||
| 54 | VMALLOC_START VMALLOC_END-1 vmalloc() / ioremap() space. | 57 | VMALLOC_START VMALLOC_END-1 vmalloc() / ioremap() space. |
| 55 | Memory returned by vmalloc/ioremap will | 58 | Memory returned by vmalloc/ioremap will |
| 56 | be dynamically placed in this region. | 59 | be dynamically placed in this region. |
| @@ -27,17 +27,17 @@ Start End Size Use · 26 unmodified lines | |||
| 27 | ----------------------------------------------------------------------- | 27 | ----------------------------------------------------------------------- |
| 28 | 0000000000000000 0000007fffffffff 512GB user | 28 | 0000000000000000 0000007fffffffff 512GB user |
| 29 | 29 | ||
| 30 | ffffff8000000000 ffffffbbfffcffff ~240GB vmalloc | 30 | ffffff8000000000 ffffffbbfffeffff ~240GB vmalloc |
| 31 | 31 | ||
| 32 | ffffffbbfffd0000 ffffffbcfffdffff 64KB [guard page] | 32 | ffffffbbffff0000 ffffffbbffffffff 64KB [guard page] |
| 33 | 33 | ||
| 34 | ffffffbbfffe0000 ffffffbcfffeffff 64KB PCI I/O space | 34 | ffffffbc00000000 ffffffbdffffffff 8GB vmemmap |
| 35 | 35 | ||
| 36 | ffffffbbffff0000 ffffffbcffffffff 64KB [guard page] | 36 | ffffffbe00000000 ffffffbffbbfffff ~8GB [guard, future vmmemap] |
| 37 | 37 | ||
| 38 | ffffffbc00000000 ffffffbdffffffff 8GB vmemmap | 38 | ffffffbffbe00000 ffffffbffbe0ffff 64KB PCI I/O space |
| 39 | 39 | ||
| 40 | ffffffbe00000000 ffffffbffbffffff ~8GB [guard, future vmmemap] | 40 | ffffffbbffff0000 ffffffbcffffffff ~2MB [guard] |
| 41 | 41 | ||
| 42 | ffffffbffc000000 ffffffbfffffffff 64MB modules | 42 | ffffffbffc000000 ffffffbfffffffff 64MB modules |
| 43 | 43 | ||
| @@ -465,7 +465,6 @@ struct bio { · 464 unmodified lines | |||
| 465 | bio_end_io_t *bi_end_io; /* bi_end_io (bio) */ | 465 | bio_end_io_t *bi_end_io; /* bi_end_io (bio) */ |
| 466 | atomic_t bi_cnt; /* pin count: free when it hits zero */ | 466 | atomic_t bi_cnt; /* pin count: free when it hits zero */ |
| 467 | void *bi_private; | 467 | void *bi_private; |
| 468 | bio_destructor_t *bi_destructor; /* bi_destructor (bio) */ | ||
| 469 | }; | 468 | }; |
| 470 | 469 | ||
| 471 | With this multipage bio design: | 470 | With this multipage bio design: |
| @@ -647,10 +646,6 @@ for a non-clone bio. There are the 6 pools setup for different size biovecs, · 175 unmodified lines | |||
| 647 | so bio_alloc(gfp_mask, nr_iovecs) will allocate a vec_list of the | 646 | so bio_alloc(gfp_mask, nr_iovecs) will allocate a vec_list of the |
| 648 | given size from these slabs. | 647 | given size from these slabs. |
| 649 | 648 | ||
| 650 | The bi_destructor() routine takes into account the possibility of the bio | ||
| 651 | having originated from a different source (see later discussions on | ||
| 652 | n/w to block transfers and kvec_cb) | ||
| 653 | |||
| 654 | The bio_get() routine may be used to hold an extra reference on a bio prior | 649 | The bio_get() routine may be used to hold an extra reference on a bio prior |
| 655 | to i/o submission, if the bio fields are likely to be accessed after the | 650 | to i/o submission, if the bio fields are likely to be accessed after the |
| 656 | i/o is issued (since the bio may otherwise get freed in case i/o completion | 651 | i/o is issued (since the bio may otherwise get freed in case i/o completion |
| @@ -29,7 +29,8 @@ CONTENTS: · 28 unmodified lines | |||
| 29 | 3.1 Overview | 29 | 3.1 Overview |
| 30 | 3.2 Synchronization | 30 | 3.2 Synchronization |
| 31 | 3.3 Subsystem API | 31 | 3.3 Subsystem API |
| 32 | 4. Questions | 32 | 4. Extended attributes usage |
| 33 | 5. Questions | ||
| 33 | 34 | ||
| 34 | 1. Control Groups | 35 | 1. Control Groups |
| 35 | ================= | 36 | ================= |
| @@ -62,9 +63,9 @@ an instance of the cgroup virtual filesystem associated with it. · 26 unmodified lines | |||
| 62 | At any one time there may be multiple active hierarchies of task | 63 | At any one time there may be multiple active hierarchies of task |
| 63 | cgroups. Each hierarchy is a partition of all tasks in the system. | 64 | cgroups. Each hierarchy is a partition of all tasks in the system. |
| 64 | 65 | ||
| 65 | User level code may create and destroy cgroups by name in an | 66 | User-level code may create and destroy cgroups by name in an |
| 66 | instance of the cgroup virtual file system, specify and query to | 67 | instance of the cgroup virtual file system, specify and query to |
| 67 | which cgroup a task is assigned, and list the task pids assigned to | 68 | which cgroup a task is assigned, and list the task PIDs assigned to |
| 68 | a cgroup. Those creations and assignments only affect the hierarchy | 69 | a cgroup. Those creations and assignments only affect the hierarchy |
| 69 | associated with that instance of the cgroup file system. | 70 | associated with that instance of the cgroup file system. |
| 70 | 71 | ||
| @@ -72,7 +73,7 @@ On their own, the only use for cgroups is for simple job · 1 unmodified line | |||
| 72 | tracking. The intention is that other subsystems hook into the generic | 73 | tracking. The intention is that other subsystems hook into the generic |
| 73 | cgroup support to provide new attributes for cgroups, such as | 74 | cgroup support to provide new attributes for cgroups, such as |
| 74 | accounting/limiting the resources which processes in a cgroup can | 75 | accounting/limiting the resources which processes in a cgroup can |
| 75 | access. For example, cpusets (see Documentation/cgroups/cpusets.txt) allows | 76 | access. For example, cpusets (see Documentation/cgroups/cpusets.txt) allow |
| 76 | you to associate a set of CPUs and a set of memory nodes with the | 77 | you to associate a set of CPUs and a set of memory nodes with the |
| 77 | tasks in each cgroup. | 78 | tasks in each cgroup. |
| 78 | 79 | ||
| @@ -80,11 +81,11 @@ tasks in each cgroup. · 1 unmodified line | |||
| 80 | ---------------------------- | 81 | ---------------------------- |
| 81 | 82 | ||
| 82 | There are multiple efforts to provide process aggregations in the | 83 | There are multiple efforts to provide process aggregations in the |
| 83 | Linux kernel, mainly for resource tracking purposes. Such efforts | 84 | Linux kernel, mainly for resource-tracking purposes. Such efforts |
| 84 | include cpusets, CKRM/ResGroups, UserBeanCounters, and virtual server | 85 | include cpusets, CKRM/ResGroups, UserBeanCounters, and virtual server |
| 85 | namespaces. These all require the basic notion of a | 86 | namespaces. These all require the basic notion of a |
| 86 | grouping/partitioning of processes, with newly forked processes ending | 87 | grouping/partitioning of processes, with newly forked processes ending |
| 87 | in the same group (cgroup) as their parent process. | 88 | up in the same group (cgroup) as their parent process. |
| 88 | 89 | ||
| 89 | The kernel cgroup patch provides the minimum essential kernel | 90 | The kernel cgroup patch provides the minimum essential kernel |
| 90 | mechanisms required to efficiently implement such groups. It has | 91 | mechanisms required to efficiently implement such groups. It has |
| @@ -127,14 +128,14 @@ following lines: · 36 unmodified lines | |||
| 127 | / \ | 128 | / \ |
| 128 | Professors (15%) students (5%) | 129 | Professors (15%) students (5%) |
| 129 | 130 | ||
| 130 | Browsers like Firefox/Lynx go into the WWW network class, while (k)nfsd go | 131 | Browsers like Firefox/Lynx go into the WWW network class, while (k)nfsd goes |
| 131 | into NFS network class. | 132 | into the NFS network class. |
| 132 | 133 | ||
| 133 | At the same time Firefox/Lynx will share an appropriate CPU/Memory class | 134 | At the same time Firefox/Lynx will share an appropriate CPU/Memory class |
| 134 | depending on who launched it (prof/student). | 135 | depending on who launched it (prof/student). |
| 135 | 136 | ||
| 136 | With the ability to classify tasks differently for different resources | 137 | With the ability to classify tasks differently for different resources |
| 137 | (by putting those resource subsystems in different hierarchies) then | 138 | (by putting those resource subsystems in different hierarchies), |
| 138 | the admin can easily set up a script which receives exec notifications | 139 | the admin can easily set up a script which receives exec notifications |
| 139 | and depending on who is launching the browser he can | 140 | and depending on who is launching the browser he can |
| 140 | 141 | ||
| @@ -145,19 +146,19 @@ a separate cgroup for every browser launched and associate it with · 4 unmodified lines | |||
| 145 | appropriate network and other resource class. This may lead to | 146 | appropriate network and other resource class. This may lead to |
| 146 | proliferation of such cgroups. | 147 | proliferation of such cgroups. |
| 147 | 148 | ||
| 148 | Also lets say that the administrator would like to give enhanced network | 149 | Also let's say that the administrator would like to give enhanced network |
| 149 | access temporarily to a student's browser (since it is night and the user | 150 | access temporarily to a student's browser (since it is night and the user |
| 150 | wants to do online gaming :)) OR give one of the students simulation | 151 | wants to do online gaming :)) OR give one of the student's simulation |
| 151 | apps enhanced CPU power, | 152 | apps enhanced CPU power. |
| 152 | 153 | ||
| 153 | With ability to write pids directly to resource classes, it's just a | 154 | With ability to write PIDs directly to resource classes, it's just a |
| 154 | matter of : | 155 | matter of: |
| 155 | 156 | ||
| 156 | # echo pid > /sys/fs/cgroup/network/<new_class>/tasks | 157 | # echo pid > /sys/fs/cgroup/network/<new_class>/tasks |
| 157 | (after some time) | 158 | (after some time) |
| 158 | # echo pid > /sys/fs/cgroup/network/<orig_class>/tasks | 159 | # echo pid > /sys/fs/cgroup/network/<orig_class>/tasks |
| 159 | 160 | ||
| 160 | Without this ability, he would have to split the cgroup into | 161 | Without this ability, the administrator would have to split the cgroup into |
| 161 | multiple separate ones and then associate the new cgroups with the | 162 | multiple separate ones and then associate the new cgroups with the |
| 162 | new resource classes. | 163 | new resource classes. |
| 163 | 164 | ||
| @@ -184,20 +185,20 @@ Control Groups extends the kernel as follows: · 20 unmodified lines | |||
| 184 | field of each task_struct using the css_set, anchored at | 185 | field of each task_struct using the css_set, anchored at |
| 185 | css_set->tasks. | 186 | css_set->tasks. |
| 186 | 187 | ||
| 187 | - A cgroup hierarchy filesystem can be mounted for browsing and | 188 | - A cgroup hierarchy filesystem can be mounted for browsing and |
| 188 | manipulation from user space. | 189 | manipulation from user space. |
| 189 | 190 | ||
| 190 | - You can list all the tasks (by pid) attached to any cgroup. | 191 | - You can list all the tasks (by PID) attached to any cgroup. |
| 191 | 192 | ||
| 192 | The implementation of cgroups requires a few, simple hooks | 193 | The implementation of cgroups requires a few, simple hooks |
| 193 | into the rest of the kernel, none in performance critical paths: | 194 | into the rest of the kernel, none in performance-critical paths: |
| 194 | 195 | ||
| 195 | - in init/main.c, to initialize the root cgroups and initial | 196 | - in init/main.c, to initialize the root cgroups and initial |
| 196 | css_set at system boot. | 197 | css_set at system boot. |
| 197 | 198 | ||
| 198 | - in fork and exit, to attach and detach a task from its css_set. | 199 | - in fork and exit, to attach and detach a task from its css_set. |
| 199 | 200 | ||
| 200 | In addition a new file system, of type "cgroup" may be mounted, to | 201 | In addition, a new file system of type "cgroup" may be mounted, to |
| 201 | enable browsing and modifying the cgroups presently known to the | 202 | enable browsing and modifying the cgroups presently known to the |
| 202 | kernel. When mounting a cgroup hierarchy, you may specify a | 203 | kernel. When mounting a cgroup hierarchy, you may specify a |
| 203 | comma-separated list of subsystems to mount as the filesystem mount | 204 | comma-separated list of subsystems to mount as the filesystem mount |
| @@ -230,13 +231,13 @@ as the path relative to the root of the cgroup file system. · 26 unmodified lines | |||
| 230 | Each cgroup is represented by a directory in the cgroup file system | 231 | Each cgroup is represented by a directory in the cgroup file system |
| 231 | containing the following files describing that cgroup: | 232 | containing the following files describing that cgroup: |
| 232 | 233 | ||
| 233 | - tasks: list of tasks (by pid) attached to that cgroup. This list | 234 | - tasks: list of tasks (by PID) attached to that cgroup. This list |
| 234 | is not guaranteed to be sorted. Writing a thread id into this file | 235 | is not guaranteed to be sorted. Writing a thread ID into this file |
| 235 | moves the thread into this cgroup. | 236 | moves the thread into this cgroup. |
| 236 | - cgroup.procs: list of tgids in the cgroup. This list is not | 237 | - cgroup.procs: list of thread group IDs in the cgroup. This list is |
| 237 | guaranteed to be sorted or free of duplicate tgids, and userspace | 238 | not guaranteed to be sorted or free of duplicate TGIDs, and userspace |
| 238 | should sort/uniquify the list if this property is required. | 239 | should sort/uniquify the list if this property is required. |
| 239 | Writing a thread group id into this file moves all threads in that | 240 | Writing a thread group ID into this file moves all threads in that |
| 240 | group into this cgroup. | 241 | group into this cgroup. |
| 241 | - notify_on_release flag: run the release agent on exit? | 242 | - notify_on_release flag: run the release agent on exit? |
| 242 | - release_agent: the path to use for release notifications (this file | 243 | - release_agent: the path to use for release notifications (this file |
| @@ -261,7 +262,7 @@ cgroup file system directories. · 18 unmodified lines | |||
| 261 | 262 | ||
| 262 | When a task is moved from one cgroup to another, it gets a new | 263 | When a task is moved from one cgroup to another, it gets a new |
| 263 | css_set pointer - if there's an already existing css_set with the | 264 | css_set pointer - if there's an already existing css_set with the |
| 264 | desired collection of cgroups then that group is reused, else a new | 265 | desired collection of cgroups then that group is reused, otherwise a new |
| 265 | css_set is allocated. The appropriate existing css_set is located by | 266 | css_set is allocated. The appropriate existing css_set is located by |
| 266 | looking into a hash table. | 267 | looking into a hash table. |
| 267 | 268 | ||
| @@ -292,7 +293,7 @@ file system) of the abandoned cgroup. This enables automatic · 24 unmodified lines | |||
| 292 | removal of abandoned cgroups. The default value of | 293 | removal of abandoned cgroups. The default value of |
| 293 | notify_on_release in the root cgroup at system boot is disabled | 294 | notify_on_release in the root cgroup at system boot is disabled |
| 294 | (0). The default value of other cgroups at creation is the current | 295 | (0). The default value of other cgroups at creation is the current |
| 295 | value of their parents notify_on_release setting. The default value of | 296 | value of their parents' notify_on_release settings. The default value of |
| 296 | a cgroup hierarchy's release_agent path is empty. | 297 | a cgroup hierarchy's release_agent path is empty. |
| 297 | 298 | ||
| 298 | 1.5 What does clone_children do ? | 299 | 1.5 What does clone_children do ? |
| @@ -316,7 +317,7 @@ the "cpuset" cgroup subsystem, the steps are something like: · 17 unmodified lines | |||
| 316 | 4) Create the new cgroup by doing mkdir's and write's (or echo's) in | 317 | 4) Create the new cgroup by doing mkdir's and write's (or echo's) in |
| 317 | the /sys/fs/cgroup virtual file system. | 318 | the /sys/fs/cgroup virtual file system. |
| 318 | 5) Start a task that will be the "founding father" of the new job. | 319 | 5) Start a task that will be the "founding father" of the new job. |
| 319 | 6) Attach that task to the new cgroup by writing its pid to the | 320 | 6) Attach that task to the new cgroup by writing its PID to the |
| 320 | /sys/fs/cgroup/cpuset/tasks file for that cgroup. | 321 | /sys/fs/cgroup/cpuset/tasks file for that cgroup. |
| 321 | 7) fork, exec or clone the job tasks from this founding father task. | 322 | 7) fork, exec or clone the job tasks from this founding father task. |
| 322 | 323 | ||
| @@ -344,7 +345,7 @@ and then start a subshell 'sh' in that cgroup: · 21 unmodified lines | |||
| 344 | 2.1 Basic Usage | 345 | 2.1 Basic Usage |
| 345 | --------------- | 346 | --------------- |
| 346 | 347 | ||
| 347 | Creating, modifying, using the cgroups can be done through the cgroup | 348 | Creating, modifying, using cgroups can be done through the cgroup |
| 348 | virtual filesystem. | 349 | virtual filesystem. |
| 349 | 350 | ||
| 350 | To mount a cgroup hierarchy with all available subsystems, type: | 351 | To mount a cgroup hierarchy with all available subsystems, type: |
| @@ -441,7 +442,7 @@ You can attach the current shell task by echoing 0: · 90 unmodified lines | |||
| 441 | # echo 0 > tasks | 442 | # echo 0 > tasks |
| 442 | 443 | ||
| 443 | You can use the cgroup.procs file instead of the tasks file to move all | 444 | You can use the cgroup.procs file instead of the tasks file to move all |
| 444 | threads in a threadgroup at once. Echoing the pid of any task in a | 445 | threads in a threadgroup at once. Echoing the PID of any task in a |
| 445 | threadgroup to cgroup.procs causes all tasks in that threadgroup to be | 446 | threadgroup to cgroup.procs causes all tasks in that threadgroup to be |
| 446 | be attached to the cgroup. Writing 0 to cgroup.procs moves all tasks | 447 | be attached to the cgroup. Writing 0 to cgroup.procs moves all tasks |
| 447 | in the writing task's threadgroup. | 448 | in the writing task's threadgroup. |
| @@ -479,7 +480,7 @@ in /proc/mounts and /proc/<pid>/cgroups. · 31 unmodified lines | |||
| 479 | There is mechanism which allows to get notifications about changing | 480 | There is mechanism which allows to get notifications about changing |
| 480 | status of a cgroup. | 481 | status of a cgroup. |
| 481 | 482 | ||
| 482 | To register new notification handler you need: | 483 | To register a new notification handler you need to: |
| 483 | - create a file descriptor for event notification using eventfd(2); | 484 | - create a file descriptor for event notification using eventfd(2); |
| 484 | - open a control file to be monitored (e.g. memory.usage_in_bytes); | 485 | - open a control file to be monitored (e.g. memory.usage_in_bytes); |
| 485 | - write "<event_fd> <control_fd> <args>" to cgroup.event_control. | 486 | - write "<event_fd> <control_fd> <args>" to cgroup.event_control. |
| @@ -488,7 +489,7 @@ To register new notification handler you need: · 2 unmodified lines | |||
| 488 | eventfd will be woken up by control file implementation or when the | 489 | eventfd will be woken up by control file implementation or when the |
| 489 | cgroup is removed. | 490 | cgroup is removed. |
| 490 | 491 | ||
| 491 | To unregister notification handler just close eventfd. | 492 | To unregister a notification handler just close eventfd. |
| 492 | 493 | ||
| 493 | NOTE: Support of notifications should be implemented for the control | 494 | NOTE: Support of notifications should be implemented for the control |
| 494 | file. See documentation for the subsystem. | 495 | file. See documentation for the subsystem. |
| @@ -502,7 +503,7 @@ file. See documentation for the subsystem. · 7 unmodified lines | |||
| 502 | Each kernel subsystem that wants to hook into the generic cgroup | 503 | Each kernel subsystem that wants to hook into the generic cgroup |
| 503 | system needs to create a cgroup_subsys object. This contains | 504 | system needs to create a cgroup_subsys object. This contains |
| 504 | various methods, which are callbacks from the cgroup system, along | 505 | various methods, which are callbacks from the cgroup system, along |
| 505 | with a subsystem id which will be assigned by the cgroup system. | 506 | with a subsystem ID which will be assigned by the cgroup system. |
| 506 | 507 | ||
| 507 | Other fields in the cgroup_subsys object include: | 508 | Other fields in the cgroup_subsys object include: |
| 508 | 509 | ||
| @@ -516,7 +517,7 @@ Other fields in the cgroup_subsys object include: · 7 unmodified lines | |||
| 516 | at system boot. | 517 | at system boot. |
| 517 | 518 | ||
| 518 | Each cgroup object created by the system has an array of pointers, | 519 | Each cgroup object created by the system has an array of pointers, |
| 519 | indexed by subsystem id; this pointer is entirely managed by the | 520 | indexed by subsystem ID; this pointer is entirely managed by the |
| 520 | subsystem; the generic cgroup code will never touch this pointer. | 521 | subsystem; the generic cgroup code will never touch this pointer. |
| 521 | 522 | ||
| 522 | 3.2 Synchronization | 523 | 3.2 Synchronization |
| @@ -639,7 +640,7 @@ void post_clone(struct cgroup *cgrp) · 116 unmodified lines | |||
| 639 | 640 | ||
| 640 | Called during cgroup_create() to do any parameter | 641 | Called during cgroup_create() to do any parameter |
| 641 | initialization which might be required before a task could attach. For | 642 | initialization which might be required before a task could attach. For |
| 642 | example in cpusets, no task may attach before 'cpus' and 'mems' are set | 643 | example, in cpusets, no task may attach before 'cpus' and 'mems' are set |
| 643 | up. | 644 | up. |
| 644 | 645 | ||
| 645 | void bind(struct cgroup *root) | 646 | void bind(struct cgroup *root) |
| @@ -650,7 +651,26 @@ and root cgroup. Currently this will only involve movement between · 4 unmodified lines | |||
| 650 | the default hierarchy (which never has sub-cgroups) and a hierarchy | 651 | the default hierarchy (which never has sub-cgroups) and a hierarchy |
| 651 | that is being created/destroyed (and hence has no sub-cgroups). | 652 | that is being created/destroyed (and hence has no sub-cgroups). |
| 652 | 653 | ||
| 653 | 4. Questions | 654 | 4. Extended attribute usage |
| 655 | =========================== | ||
| 656 | |||
| 657 | cgroup filesystem supports certain types of extended attributes in its | ||
| 658 | directories and files. The current supported types are: | ||
| 659 | - Trusted (XATTR_TRUSTED) | ||
| 660 | - Security (XATTR_SECURITY) | ||
| 661 | |||
| 662 | Both require CAP_SYS_ADMIN capability to set. | ||
| 663 | |||
| 664 | Like in tmpfs, the extended attributes in cgroup filesystem are stored | ||
| 665 | using kernel memory and it's advised to keep the usage at minimum. This | ||
| 666 | is the reason why user defined extended attributes are not supported, since | ||
| 667 | any user can do it and there's no limit in the value size. | ||
| 668 | |||
| 669 | The current known users for this feature are SELinux to limit cgroup usage | ||
| 670 | in containers and systemd for assorted meta data like main PID in a cgroup | ||
| 671 | (systemd creates a cgroup per service). | ||
| 672 | |||
| 673 | 5. Questions | ||
| 654 | ============ | 674 | ============ |
| 655 | 675 | ||
| 656 | Q: what's up with this '/bin/echo' ? | 676 | Q: what's up with this '/bin/echo' ? |
| @@ -660,5 +680,5 @@ A: bash's builtin 'echo' command does not check calls to write() against · 3 unmodified lines | |||
| 660 | 680 | ||
| 661 | Q: When I attach processes, only the first of the line gets really attached ! | 681 | Q: When I attach processes, only the first of the line gets really attached ! |
| 662 | A: We can only return one error code per call to write(). So you should also | 682 | A: We can only return one error code per call to write(). So you should also |
| 663 | put only ONE pid. | 683 | put only ONE PID. |
| 664 | 684 | ||
| @@ -18,16 +18,16 @@ from the rest of the system. The article on LWN [12] mentions some probable · 17 unmodified lines | |||
| 18 | uses of the memory controller. The memory controller can be used to | 18 | uses of the memory controller. The memory controller can be used to |
| 19 | 19 | ||
| 20 | a. Isolate an application or a group of applications | 20 | a. Isolate an application or a group of applications |
| 21 | Memory hungry applications can be isolated and limited to a smaller | 21 | Memory-hungry applications can be isolated and limited to a smaller |
| 22 | amount of memory. | 22 | amount of memory. |
| 23 | b. Create a cgroup with limited amount of memory, this can be used | 23 | b. Create a cgroup with a limited amount of memory; this can be used |
| 24 | as a good alternative to booting with mem=XXXX. | 24 | as a good alternative to booting with mem=XXXX. |
| 25 | c. Virtualization solutions can control the amount of memory they want | 25 | c. Virtualization solutions can control the amount of memory they want |
| 26 | to assign to a virtual machine instance. | 26 | to assign to a virtual machine instance. |
| 27 | d. A CD/DVD burner could control the amount of memory used by the | 27 | d. A CD/DVD burner could control the amount of memory used by the |
| 28 | rest of the system to ensure that burning does not fail due to lack | 28 | rest of the system to ensure that burning does not fail due to lack |
| 29 | of available memory. | 29 | of available memory. |
| 30 | e. There are several other use cases, find one or use the controller just | 30 | e. There are several other use cases; find one or use the controller just |
| 31 | for fun (to learn and hack on the VM subsystem). | 31 | for fun (to learn and hack on the VM subsystem). |
| 32 | 32 | ||
| 33 | Current Status: linux-2.6.34-mmotm(development version of 2010/April) | 33 | Current Status: linux-2.6.34-mmotm(development version of 2010/April) |
| @@ -38,12 +38,12 @@ Features: · 4 unmodified lines | |||
| 38 | - optionally, memory+swap usage can be accounted and limited. | 38 | - optionally, memory+swap usage can be accounted and limited. |
| 39 | - hierarchical accounting | 39 | - hierarchical accounting |
| 40 | - soft limit | 40 | - soft limit |
| 41 | - moving(recharging) account at moving a task is selectable. | 41 | - moving (recharging) account at moving a task is selectable. |
| 42 | - usage threshold notifier | 42 | - usage threshold notifier |
| 43 | - oom-killer disable knob and oom-notifier | 43 | - oom-killer disable knob and oom-notifier |
| 44 | - Root cgroup has no limit controls. | 44 | - Root cgroup has no limit controls. |
| 45 | 45 | ||
| 46 | Kernel memory support is work in progress, and the current version provides | 46 | Kernel memory support is a work in progress, and the current version provides |
| 47 | basically functionality. (See Section 2.7) | 47 | basically functionality. (See Section 2.7) |
| 48 | 48 | ||
| 49 | Brief summary of control files. | 49 | Brief summary of control files. |
| @@ -144,9 +144,9 @@ Figure 1 shows the important aspects of the controller · 94 unmodified lines | |||
| 144 | 3. Each page has a pointer to the page_cgroup, which in turn knows the | 144 | 3. Each page has a pointer to the page_cgroup, which in turn knows the |
| 145 | cgroup it belongs to | 145 | cgroup it belongs to |
| 146 | 146 | ||
| 147 | The accounting is done as follows: mem_cgroup_charge() is invoked to setup | 147 | The accounting is done as follows: mem_cgroup_charge() is invoked to set up |
| 148 | the necessary data structures and check if the cgroup that is being charged | 148 | the necessary data structures and check if the cgroup that is being charged |
| 149 | is over its limit. If it is then reclaim is invoked on the cgroup. | 149 | is over its limit. If it is, then reclaim is invoked on the cgroup. |
| 150 | More details can be found in the reclaim section of this document. | 150 | More details can be found in the reclaim section of this document. |
| 151 | If everything goes well, a page meta-data-structure called page_cgroup is | 151 | If everything goes well, a page meta-data-structure called page_cgroup is |
| 152 | updated. page_cgroup has its own LRU on cgroup. | 152 | updated. page_cgroup has its own LRU on cgroup. |
| @@ -163,13 +163,13 @@ for earlier. A file page will be accounted for as Page Cache when it's · 10 unmodified lines | |||
| 163 | inserted into inode (radix-tree). While it's mapped into the page tables of | 163 | inserted into inode (radix-tree). While it's mapped into the page tables of |
| 164 | processes, duplicate accounting is carefully avoided. | 164 | processes, duplicate accounting is carefully avoided. |
| 165 | 165 | ||
| 166 | A RSS page is unaccounted when it's fully unmapped. A PageCache page is | 166 | An RSS page is unaccounted when it's fully unmapped. A PageCache page is |
| 167 | unaccounted when it's removed from radix-tree. Even if RSS pages are fully | 167 | unaccounted when it's removed from radix-tree. Even if RSS pages are fully |
| 168 | unmapped (by kswapd), they may exist as SwapCache in the system until they | 168 | unmapped (by kswapd), they may exist as SwapCache in the system until they |
| 169 | are really freed. Such SwapCaches also also accounted. | 169 | are really freed. Such SwapCaches are also accounted. |
| 170 | A swapped-in page is not accounted until it's mapped. | 170 | A swapped-in page is not accounted until it's mapped. |
| 171 | 171 | ||
| 172 | Note: The kernel does swapin-readahead and read multiple swaps at once. | 172 | Note: The kernel does swapin-readahead and reads multiple swaps at once. |
| 173 | This means swapped-in pages may contain pages for other tasks than a task | 173 | This means swapped-in pages may contain pages for other tasks than a task |
| 174 | causing page fault. So, we avoid accounting at swap-in I/O. | 174 | causing page fault. So, we avoid accounting at swap-in I/O. |
| 175 | 175 | ||
| @@ -209,7 +209,7 @@ memsw.limit_in_bytes. · 33 unmodified lines | |||
| 209 | Example: Assume a system with 4G of swap. A task which allocates 6G of memory | 209 | Example: Assume a system with 4G of swap. A task which allocates 6G of memory |
| 210 | (by mistake) under 2G memory limitation will use all swap. | 210 | (by mistake) under 2G memory limitation will use all swap. |
| 211 | In this case, setting memsw.limit_in_bytes=3G will prevent bad use of swap. | 211 | In this case, setting memsw.limit_in_bytes=3G will prevent bad use of swap. |
| 212 | By using memsw limit, you can avoid system OOM which can be caused by swap | 212 | By using the memsw limit, you can avoid system OOM which can be caused by swap |
| 213 | shortage. | 213 | shortage. |
| 214 | 214 | ||
| 215 | * why 'memory+swap' rather than swap. | 215 | * why 'memory+swap' rather than swap. |
| @@ -217,7 +217,7 @@ The global LRU(kswapd) can swap out arbitrary pages. Swap-out means · 1 unmodified line | |||
| 217 | to move account from memory to swap...there is no change in usage of | 217 | to move account from memory to swap...there is no change in usage of |
| 218 | memory+swap. In other words, when we want to limit the usage of swap without | 218 | memory+swap. In other words, when we want to limit the usage of swap without |
| 219 | affecting global LRU, memory+swap limit is better than just limiting swap from | 219 | affecting global LRU, memory+swap limit is better than just limiting swap from |
| 220 | OS point of view. | 220 | an OS point of view. |
| 221 | 221 | ||
| 222 | * What happens when a cgroup hits memory.memsw.limit_in_bytes | 222 | * What happens when a cgroup hits memory.memsw.limit_in_bytes |
| 223 | When a cgroup hits memory.memsw.limit_in_bytes, it's useless to do swap-out | 223 | When a cgroup hits memory.memsw.limit_in_bytes, it's useless to do swap-out |
| @@ -236,7 +236,7 @@ an OOM routine is invoked to select and kill the bulkiest task in the · 12 unmodified lines | |||
| 236 | cgroup. (See 10. OOM Control below.) | 236 | cgroup. (See 10. OOM Control below.) |
| 237 | 237 | ||
| 238 | The reclaim algorithm has not been modified for cgroups, except that | 238 | The reclaim algorithm has not been modified for cgroups, except that |
| 239 | pages that are selected for reclaiming come from the per cgroup LRU | 239 | pages that are selected for reclaiming come from the per-cgroup LRU |
| 240 | list. | 240 | list. |
| 241 | 241 | ||
| 242 | NOTE: Reclaim does not work for the root cgroup, since we cannot set any | 242 | NOTE: Reclaim does not work for the root cgroup, since we cannot set any |
| @@ -316,7 +316,7 @@ We can check the usage: · 73 unmodified lines | |||
| 316 | # cat /sys/fs/cgroup/memory/0/memory.usage_in_bytes | 316 | # cat /sys/fs/cgroup/memory/0/memory.usage_in_bytes |
| 317 | 1216512 | 317 | 1216512 |
| 318 | 318 | ||
| 319 | A successful write to this file does not guarantee a successful set of | 319 | A successful write to this file does not guarantee a successful setting of |
| 320 | this limit to the value written into the file. This can be due to a | 320 | this limit to the value written into the file. This can be due to a |
| 321 | number of factors, such as rounding up to page boundaries or the total | 321 | number of factors, such as rounding up to page boundaries or the total |
| 322 | availability of memory on the system. The user is required to re-read | 322 | availability of memory on the system. The user is required to re-read |
| @@ -350,7 +350,7 @@ Trying usual test under memory controller is always helpful. · 27 unmodified lines | |||
| 350 | 4.1 Troubleshooting | 350 | 4.1 Troubleshooting |
| 351 | 351 | ||
| 352 | Sometimes a user might find that the application under a cgroup is | 352 | Sometimes a user might find that the application under a cgroup is |
| 353 | terminated by OOM killer. There are several causes for this: | 353 | terminated by the OOM killer. There are several causes for this: |
| 354 | 354 | ||
| 355 | 1. The cgroup limit is too low (just too low to do anything useful) | 355 | 1. The cgroup limit is too low (just too low to do anything useful) |
| 356 | 2. The user is using anonymous memory and swap is turned off or too low | 356 | 2. The user is using anonymous memory and swap is turned off or too low |
| @@ -358,7 +358,7 @@ terminated by OOM killer. There are several causes for this: · 1 unmodified line | |||
| 358 | A sync followed by echo 1 > /proc/sys/vm/drop_caches will help get rid of | 358 | A sync followed by echo 1 > /proc/sys/vm/drop_caches will help get rid of |
| 359 | some of the pages cached in the cgroup (page cache pages). | 359 | some of the pages cached in the cgroup (page cache pages). |
| 360 | 360 | ||
| 361 | To know what happens, disable OOM_Kill by 10. OOM Control(see below) and | 361 | To know what happens, disabling OOM_Kill as per "10. OOM Control" (below) and |
| 362 | seeing what happens will be helpful. | 362 | seeing what happens will be helpful. |
| 363 | 363 | ||
| 364 | 4.2 Task migration | 364 | 4.2 Task migration |
| @@ -399,10 +399,10 @@ About use_hierarchy, see Section 6. · 34 unmodified lines | |||
| 399 | 399 | ||
| 400 | Almost all pages tracked by this memory cgroup will be unmapped and freed. | 400 | Almost all pages tracked by this memory cgroup will be unmapped and freed. |
| 401 | Some pages cannot be freed because they are locked or in-use. Such pages are | 401 | Some pages cannot be freed because they are locked or in-use. Such pages are |
| 402 | moved to parent(if use_hierarchy==1) or root (if use_hierarchy==0) and this | 402 | moved to parent (if use_hierarchy==1) or root (if use_hierarchy==0) and this |
| 403 | cgroup will be empty. | 403 | cgroup will be empty. |
| 404 | 404 | ||
| 405 | Typical use case of this interface is that calling this before rmdir(). | 405 | The typical use case for this interface is before calling rmdir(). |
| 406 | Because rmdir() moves all pages to parent, some out-of-use page caches can be | 406 | Because rmdir() moves all pages to parent, some out-of-use page caches can be |
| 407 | moved to the parent. If you want to avoid that, force_empty will be useful. | 407 | moved to the parent. If you want to avoid that, force_empty will be useful. |
| 408 | 408 | ||
| @@ -486,7 +486,7 @@ You can reset failcnt by writing 0 to failcnt file. · 77 unmodified lines | |||
| 486 | 486 | ||
| 487 | For efficiency, as other kernel components, memory cgroup uses some optimization | 487 | For efficiency, as other kernel components, memory cgroup uses some optimization |
| 488 | to avoid unnecessary cacheline false sharing. usage_in_bytes is affected by the | 488 | to avoid unnecessary cacheline false sharing. usage_in_bytes is affected by the |
| 489 | method and doesn't show 'exact' value of memory(and swap) usage, it's an fuzz | 489 | method and doesn't show 'exact' value of memory (and swap) usage, it's a fuzz |
| 490 | value for efficient access. (Of course, when necessary, it's synchronized.) | 490 | value for efficient access. (Of course, when necessary, it's synchronized.) |
| 491 | If you want to know more exact memory usage, you should use RSS+CACHE(+SWAP) | 491 | If you want to know more exact memory usage, you should use RSS+CACHE(+SWAP) |
| 492 | value in memory.stat(see 5.2). | 492 | value in memory.stat(see 5.2). |
| @@ -496,8 +496,8 @@ value in memory.stat(see 5.2). · 3 unmodified lines | |||
| 496 | This is similar to numa_maps but operates on a per-memcg basis. This is | 496 | This is similar to numa_maps but operates on a per-memcg basis. This is |
| 497 | useful for providing visibility into the numa locality information within | 497 | useful for providing visibility into the numa locality information within |
| 498 | an memcg since the pages are allowed to be allocated from any physical | 498 | an memcg since the pages are allowed to be allocated from any physical |
| 499 | node. One of the usecases is evaluating application performance by | 499 | node. One of the use cases is evaluating application performance by |
| 500 | combining this information with the application's cpu allocation. | 500 | combining this information with the application's CPU allocation. |
| 501 | 501 | ||
| 502 | We export "total", "file", "anon" and "unevictable" pages per-node for | 502 | We export "total", "file", "anon" and "unevictable" pages per-node for |
| 503 | each memcg. The ouput format of memory.numa_stat is: | 503 | each memcg. The ouput format of memory.numa_stat is: |
| @@ -561,10 +561,10 @@ are pushed back to their soft limits. If the soft limit of each control · 57 unmodified lines | |||
| 561 | group is very high, they are pushed back as much as possible to make | 561 | group is very high, they are pushed back as much as possible to make |
| 562 | sure that one control group does not starve the others of memory. | 562 | sure that one control group does not starve the others of memory. |
| 563 | 563 | ||
| 564 | Please note that soft limits is a best effort feature, it comes with | 564 | Please note that soft limits is a best-effort feature; it comes with |
| 565 | no guarantees, but it does its best to make sure that when memory is | 565 | no guarantees, but it does its best to make sure that when memory is |
| 566 | heavily contended for, memory is allocated based on the soft limit | 566 | heavily contended for, memory is allocated based on the soft limit |
| 567 | hints/setup. Currently soft limit based reclaim is setup such that | 567 | hints/setup. Currently soft limit based reclaim is set up such that |
| 568 | it gets invoked from balance_pgdat (kswapd). | 568 | it gets invoked from balance_pgdat (kswapd). |
| 569 | 569 | ||
| 570 | 7.1 Interface | 570 | 7.1 Interface |
| @@ -592,7 +592,7 @@ page tables. · 21 unmodified lines | |||
| 592 | 592 | ||
| 593 | 8.1 Interface | 593 | 8.1 Interface |
| 594 | 594 | ||
| 595 | This feature is disabled by default. It can be enabled(and disabled again) by | 595 | This feature is disabled by default. It can be enabledi (and disabled again) by |
| 596 | writing to memory.move_charge_at_immigrate of the destination cgroup. | 596 | writing to memory.move_charge_at_immigrate of the destination cgroup. |
| 597 | 597 | ||
| 598 | If you want to enable it: | 598 | If you want to enable it: |
| @@ -601,8 +601,8 @@ If you want to enable it: · 2 unmodified lines | |||
| 601 | 601 | ||
| 602 | Note: Each bits of move_charge_at_immigrate has its own meaning about what type | 602 | Note: Each bits of move_charge_at_immigrate has its own meaning about what type |
| 603 | of charges should be moved. See 8.2 for details. | 603 | of charges should be moved. See 8.2 for details. |
| 604 | Note: Charges are moved only when you move mm->owner, IOW, a leader of a thread | 604 | Note: Charges are moved only when you move mm->owner, in other words, |
| 605 | group. | 605 | a leader of a thread group. |
| 606 | Note: If we cannot find enough space for the task in the destination cgroup, we | 606 | Note: If we cannot find enough space for the task in the destination cgroup, we |
| 607 | try to make space by reclaiming memory. Task migration may fail if we | 607 | try to make space by reclaiming memory. Task migration may fail if we |
| 608 | cannot make enough space. | 608 | cannot make enough space. |
| @@ -612,25 +612,25 @@ And if you want disable it again: · 3 unmodified lines | |||
| 612 | 612 | ||
| 613 | # echo 0 > memory.move_charge_at_immigrate | 613 | # echo 0 > memory.move_charge_at_immigrate |
| 614 | 614 | ||
| 615 | 8.2 Type of charges which can be move | 615 | 8.2 Type of charges which can be moved |
| 616 | 616 | ||
| 617 | Each bits of move_charge_at_immigrate has its own meaning about what type of | 617 | Each bit in move_charge_at_immigrate has its own meaning about what type of |
| 618 | charges should be moved. But in any cases, it must be noted that an account of | 618 | charges should be moved. But in any case, it must be noted that an account of |
| 619 | a page or a swap can be moved only when it is charged to the task's current(old) | 619 | a page or a swap can be moved only when it is charged to the task's current |
| 620 | memory cgroup. | 620 | (old) memory cgroup. |
| 621 | 621 | ||
| 622 | bit | what type of charges would be moved ? | 622 | bit | what type of charges would be moved ? |
| 623 | -----+------------------------------------------------------------------------ | 623 | -----+------------------------------------------------------------------------ |
| 624 | 0 | A charge of an anonymous page(or swap of it) used by the target task. | 624 | 0 | A charge of an anonymous page (or swap of it) used by the target task. |
| 625 | | You must enable Swap Extension(see 2.4) to enable move of swap charges. | 625 | | You must enable Swap Extension (see 2.4) to enable move of swap charges. |
| 626 | -----+------------------------------------------------------------------------ | 626 | -----+------------------------------------------------------------------------ |
| 627 | 1 | A charge of file pages(normal file, tmpfs file(e.g. ipc shared memory) | 627 | 1 | A charge of file pages (normal file, tmpfs file (e.g. ipc shared memory) |
| 628 | | and swaps of tmpfs file) mmapped by the target task. Unlike the case of | 628 | | and swaps of tmpfs file) mmapped by the target task. Unlike the case of |
| 629 | | anonymous pages, file pages(and swaps) in the range mmapped by the task | 629 | | anonymous pages, file pages (and swaps) in the range mmapped by the task |
| 630 | | will be moved even if the task hasn't done page fault, i.e. they might | 630 | | will be moved even if the task hasn't done page fault, i.e. they might |
| 631 | | not be the task's "RSS", but other task's "RSS" that maps the same file. | 631 | | not be the task's "RSS", but other task's "RSS" that maps the same file. |
| 632 | | And mapcount of the page is ignored(the page can be moved even if | 632 | | And mapcount of the page is ignored (the page can be moved even if |
| 633 | | page_mapcount(page) > 1). You must enable Swap Extension(see 2.4) to | 633 | | page_mapcount(page) > 1). You must enable Swap Extension (see 2.4) to |
| 634 | | enable move of swap charges. | 634 | | enable move of swap charges. |
| 635 | 635 | ||
| 636 | 8.3 TODO | 636 | 8.3 TODO |
| @@ -640,11 +640,11 @@ memory cgroup. · 3 unmodified lines | |||
| 640 | 640 | ||
| 641 | 9. Memory thresholds | 641 | 9. Memory thresholds |
| 642 | 642 | ||
| 643 | Memory cgroup implements memory thresholds using cgroups notification | 643 | Memory cgroup implements memory thresholds using the cgroups notification |
| 644 | API (see cgroups.txt). It allows to register multiple memory and memsw | 644 | API (see cgroups.txt). It allows to register multiple memory and memsw |
| 645 | thresholds and gets notifications when it crosses. | 645 | thresholds and gets notifications when it crosses. |
| 646 | 646 | ||
| 647 | To register a threshold application need: | 647 | To register a threshold, an application must: |
| 648 | - create an eventfd using eventfd(2); | 648 | - create an eventfd using eventfd(2); |
| 649 | - open memory.usage_in_bytes or memory.memsw.usage_in_bytes; | 649 | - open memory.usage_in_bytes or memory.memsw.usage_in_bytes; |
| 650 | - write string like "<event_fd> <fd of memory.usage_in_bytes> <threshold>" to | 650 | - write string like "<event_fd> <fd of memory.usage_in_bytes> <threshold>" to |
| @@ -659,24 +659,24 @@ It's applicable for root and non-root cgroup. · 8 unmodified lines | |||
| 659 | 659 | ||
| 660 | memory.oom_control file is for OOM notification and other controls. | 660 | memory.oom_control file is for OOM notification and other controls. |
| 661 | 661 | ||
| 662 | Memory cgroup implements OOM notifier using cgroup notification | 662 | Memory cgroup implements OOM notifier using the cgroup notification |
| 663 | API (See cgroups.txt). It allows to register multiple OOM notification | 663 | API (See cgroups.txt). It allows to register multiple OOM notification |
| 664 | delivery and gets notification when OOM happens. | 664 | delivery and gets notification when OOM happens. |
| 665 | 665 | ||
| 666 | To register a notifier, application need: | 666 | To register a notifier, an application must: |
| 667 | - create an eventfd using eventfd(2) | 667 | - create an eventfd using eventfd(2) |
| 668 | - open memory.oom_control file | 668 | - open memory.oom_control file |
| 669 | - write string like "<event_fd> <fd of memory.oom_control>" to | 669 | - write string like "<event_fd> <fd of memory.oom_control>" to |
| 670 | cgroup.event_control | 670 | cgroup.event_control |
| 671 | 671 | ||
| 672 | Application will be notified through eventfd when OOM happens. | 672 | The application will be notified through eventfd when OOM happens. |
| 673 | OOM notification doesn't work for root cgroup. | 673 | OOM notification doesn't work for the root cgroup. |
| 674 | 674 | ||
| 675 | You can disable OOM-killer by writing "1" to memory.oom_control file, as: | 675 | You can disable the OOM-killer by writing "1" to memory.oom_control file, as: |
| 676 | 676 | ||
| 677 | #echo 1 > memory.oom_control | 677 | #echo 1 > memory.oom_control |
| 678 | 678 | ||
| 679 | This operation is only allowed to the top cgroup of sub-hierarchy. | 679 | This operation is only allowed to the top cgroup of a sub-hierarchy. |
| 680 | If OOM-killer is disabled, tasks under cgroup will hang/sleep | 680 | If OOM-killer is disabled, tasks under cgroup will hang/sleep |
| 681 | in memory cgroup's OOM-waitqueue when they request accountable memory. | 681 | in memory cgroup's OOM-waitqueue when they request accountable memory. |
| 682 | 682 | ||
| @@ -0,0 +1,93 @@ | |||
| 1 | Processor boosting control | ||
| 2 | |||
| 3 | - information for users - | ||
| 4 | |||
| 5 | Quick guide for the impatient: | ||
| 6 | -------------------- | ||
| 7 | /sys/devices/system/cpu/cpufreq/boost | ||
| 8 | controls the boost setting for the whole system. You can read and write | ||
| 9 | that file with either "0" (boosting disabled) or "1" (boosting allowed). | ||
| 10 | Reading or writing 1 does not mean that the system is boosting at this | ||
| 11 | very moment, but only that the CPU _may_ raise the frequency at it's | ||
| 12 | discretion. | ||
| 13 | -------------------- | ||
| 14 | |||
| 15 | Introduction | ||
| 16 | ------------- | ||
| 17 | Some CPUs support a functionality to raise the operating frequency of | ||
| 18 | some cores in a multi-core package if certain conditions apply, mostly | ||
| 19 | if the whole chip is not fully utilized and below it's intended thermal | ||
| 20 | budget. This is done without operating system control by a combination | ||
| 21 | of hardware and firmware. | ||
| 22 | On Intel CPUs this is called "Turbo Boost", AMD calls it "Turbo-Core", | ||
| 23 | in technical documentation "Core performance boost". In Linux we use | ||
| 24 | the term "boost" for convenience. | ||
| 25 | |||
| 26 | Rationale for disable switch | ||
| 27 | ---------------------------- | ||
| 28 | |||
| 29 | Though the idea is to just give better performance without any user | ||
| 30 | intervention, sometimes the need arises to disable this functionality. | ||
| 31 | Most systems offer a switch in the (BIOS) firmware to disable the | ||
| 32 | functionality at all, but a more fine-grained and dynamic control would | ||
| 33 | be desirable: | ||
| 34 | 1. While running benchmarks, reproducible results are important. Since | ||
| 35 | the boosting functionality depends on the load of the whole package, | ||
| 36 | single thread performance can vary. By explicitly disabling the boost | ||
| 37 | functionality at least for the benchmark's run-time the system will run | ||
| 38 | at a fixed frequency and results are reproducible again. | ||
| 39 | 2. To examine the impact of the boosting functionality it is helpful | ||
| 40 | to do tests with and without boosting. | ||
| 41 | 3. Boosting means overclocking the processor, though under controlled | ||
| 42 | conditions. By raising the frequency and the voltage the processor | ||
| 43 | will consume more power than without the boosting, which may be | ||
| 44 | undesirable for instance for mobile users. Disabling boosting may | ||
| 45 | save power here, though this depends on the workload. | ||
| 46 | |||
| 47 | |||
| 48 | User controlled switch | ||
| 49 | ---------------------- | ||
| 50 | |||
| 51 | To allow the user to toggle the boosting functionality, the acpi-cpufreq | ||
| 52 | driver exports a sysfs knob to disable it. There is a file: | ||
| 53 | /sys/devices/system/cpu/cpufreq/boost | ||
| 54 | which can either read "0" (boosting disabled) or "1" (boosting enabled). | ||
| 55 | Reading the file is always supported, even if the processor does not | ||
| 56 | support boosting. In this case the file will be read-only and always | ||
| 57 | reads as "0". Explicitly changing the permissions and writing to that | ||
| 58 | file anyway will return EINVAL. | ||
| 59 | |||
| 60 | On supported CPUs one can write either a "0" or a "1" into this file. | ||
| 61 | This will either disable the boost functionality on all cores in the | ||
| 62 | whole system (0) or will allow the hardware to boost at will (1). | ||
| 63 | |||
| 64 | Writing a "1" does not explicitly boost the system, but just allows the | ||
| 65 | CPU (and the firmware) to boost at their discretion. Some implementations | ||
| 66 | take external factors like the chip's temperature into account, so | ||
| 67 | boosting once does not necessarily mean that it will occur every time | ||
| 68 | even using the exact same software setup. | ||
| 69 | |||
| 70 | |||
| 71 | AMD legacy cpb switch | ||
| 72 | --------------------- | ||
| 73 | The AMD powernow-k8 driver used to support a very similar switch to | ||
| 74 | disable or enable the "Core Performance Boost" feature of some AMD CPUs. | ||
| 75 | This switch was instantiated in each CPU's cpufreq directory | ||
| 76 | (/sys/devices/system/cpu[0-9]*/cpufreq) and was called "cpb". | ||
| 77 | Though the per CPU existence hints at a more fine grained control, the | ||
| 78 | actual implementation only supported a system-global switch semantics, | ||
| 79 | which was simply reflected into each CPU's file. Writing a 0 or 1 into it | ||
| 80 | would pull the other CPUs to the same state. | ||
| 81 | For compatibility reasons this file and its behavior is still supported | ||
| 82 | on AMD CPUs, though it is now protected by a config switch | ||
| 83 | (X86_ACPI_CPUFREQ_CPB). On Intel CPUs this file will never be created, | ||
| 84 | even with the config option set. | ||
| 85 | This functionality is considered legacy and will be removed in some future | ||
| 86 | kernel version. | ||
| 87 | |||
| 88 | More fine grained boosting control | ||
| 89 | ---------------------------------- | ||
| 90 | |||
| 91 | Technically it is possible to switch the boosting functionality at least | ||
| 92 | on a per package basis, for some CPUs even per core. Currently the driver | ||
| 93 | does not support it, but this may be implemented in the future. | ||
| @@ -76,9 +76,17 @@ total 0 · 75 unmodified lines | |||
| 76 | 76 | ||
| 77 | 77 | ||
| 78 | * desc : Small description about the idle state (string) | 78 | * desc : Small description about the idle state (string) |
| 79 | * disable : Option to disable this idle state (bool) | 79 | * disable : Option to disable this idle state (bool) -> see note below |
| 80 | * latency : Latency to exit out of this idle state (in microseconds) | 80 | * latency : Latency to exit out of this idle state (in microseconds) |
| 81 | * name : Name of the idle state (string) | 81 | * name : Name of the idle state (string) |
| 82 | * power : Power consumed while in this idle state (in milliwatts) | 82 | * power : Power consumed while in this idle state (in milliwatts) |
| 83 | * time : Total time spent in this idle state (in microseconds) | 83 | * time : Total time spent in this idle state (in microseconds) |
| 84 | * usage : Number of times this state was entered (count) | 84 | * usage : Number of times this state was entered (count) |
| 85 | |||
| 86 | Note: | ||
| 87 | The behavior and the effect of the disable variable depends on the | ||
| 88 | implementation of a particular governor. In the ladder governor, for | ||
| 89 | example, it is not coherent, i.e. if one is disabling a light state, | ||
| 90 | then all deeper states are disabled as well, but the disable variable | ||
| 91 | does not reflect it. Likewise, if one enables a deep state but a lighter | ||
| 92 | state still is disabled, then this has no effect. | ||
| @@ -0,0 +1,312 @@ | |||
| 1 | ============================================= | ||
| 2 | ASYMMETRIC / PUBLIC-KEY CRYPTOGRAPHY KEY TYPE | ||
| 3 | ============================================= | ||
| 4 | |||
| 5 | Contents: | ||
| 6 | |||
| 7 | - Overview. | ||
| 8 | - Key identification. | ||
| 9 | - Accessing asymmetric keys. | ||
| 10 | - Signature verification. | ||
| 11 | - Asymmetric key subtypes. | ||
| 12 | - Instantiation data parsers. | ||
| 13 | |||
| 14 | |||
| 15 | ======== | ||
| 16 | OVERVIEW | ||
| 17 | ======== | ||
| 18 | |||
| 19 | The "asymmetric" key type is designed to be a container for the keys used in | ||
| 20 | public-key cryptography, without imposing any particular restrictions on the | ||
| 21 | form or mechanism of the cryptography or form of the key. | ||
| 22 | |||
| 23 | The asymmetric key is given a subtype that defines what sort of data is | ||
| 24 | associated with the key and provides operations to describe and destroy it. | ||
| 25 | However, no requirement is made that the key data actually be stored in the | ||
| 26 | key. | ||
| 27 | |||
| 28 | A completely in-kernel key retention and operation subtype can be defined, but | ||
| 29 | it would also be possible to provide access to cryptographic hardware (such as | ||
| 30 | a TPM) that might be used to both retain the relevant key and perform | ||
| 31 | operations using that key. In such a case, the asymmetric key would then | ||
| 32 | merely be an interface to the TPM driver. | ||
| 33 | |||
| 34 | Also provided is the concept of a data parser. Data parsers are responsible | ||
| 35 | for extracting information from the blobs of data passed to the instantiation | ||
| 36 | function. The first data parser that recognises the blob gets to set the | ||
| 37 | subtype of the key and define the operations that can be done on that key. | ||
| 38 | |||
| 39 | A data parser may interpret the data blob as containing the bits representing a | ||
| 40 | key, or it may interpret it as a reference to a key held somewhere else in the | ||
| 41 | system (for example, a TPM). | ||
| 42 | |||
| 43 | |||
| 44 | ================== | ||
| 45 | KEY IDENTIFICATION | ||
| 46 | ================== | ||
| 47 | |||
| 48 | If a key is added with an empty name, the instantiation data parsers are given | ||
| 49 | the opportunity to pre-parse a key and to determine the description the key | ||
| 50 | should be given from the content of the key. | ||
| 51 | |||
| 52 | This can then be used to refer to the key, either by complete match or by | ||
| 53 | partial match. The key type may also use other criteria to refer to a key. | ||
| 54 | |||
| 55 | The asymmetric key type's match function can then perform a wider range of | ||
| 56 | comparisons than just the straightforward comparison of the description with | ||
| 57 | the criterion string: | ||
| 58 | |||
| 59 | (1) If the criterion string is of the form "id:<hexdigits>" then the match | ||
| 60 | function will examine a key's fingerprint to see if the hex digits given | ||
| 61 | after the "id:" match the tail. For instance: | ||
| 62 | |||
| 63 | keyctl search @s asymmetric id:5acc2142 | ||
| 64 | |||
| 65 | will match a key with fingerprint: | ||
| 66 | |||
| 67 | 1A00 2040 7601 7889 DE11 882C 3823 04AD 5ACC 2142 | ||
| 68 | |||
| 69 | (2) If the criterion string is of the form "<subtype>:<hexdigits>" then the | ||
| 70 | match will match the ID as in (1), but with the added restriction that | ||
| 71 | only keys of the specified subtype (e.g. tpm) will be matched. For | ||
| 72 | instance: | ||
| 73 | |||
| 74 | keyctl search @s asymmetric tpm:5acc2142 | ||
| 75 | |||
| 76 | Looking in /proc/keys, the last 8 hex digits of the key fingerprint are | ||
| 77 | displayed, along with the subtype: | ||
| 78 | |||
| 79 | 1a39e171 I----- 1 perm 3f010000 0 0 asymmetri modsign.0: DSA 5acc2142 [] | ||
| 80 | |||
| 81 | |||
| 82 | ========================= | ||
| 83 | ACCESSING ASYMMETRIC KEYS | ||
| 84 | ========================= | ||
| 85 | |||
| 86 | For general access to asymmetric keys from within the kernel, the following | ||
| 87 | inclusion is required: | ||
| 88 | |||
| 89 | #include <crypto/public_key.h> | ||
| 90 | |||
| 91 | This gives access to functions for dealing with asymmetric / public keys. | ||
| 92 | Three enums are defined there for representing public-key cryptography | ||
| 93 | algorithms: | ||
| 94 | |||
| 95 | enum pkey_algo | ||
| 96 | |||
| 97 | digest algorithms used by those: | ||
| 98 | |||
| 99 | enum pkey_hash_algo | ||
| 100 | |||
| 101 | and key identifier representations: | ||
| 102 | |||
| 103 | enum pkey_id_type | ||
| 104 | |||
| 105 | Note that the key type representation types are required because key | ||
| 106 | identifiers from different standards aren't necessarily compatible. For | ||
| 107 | instance, PGP generates key identifiers by hashing the key data plus some | ||
| 108 | PGP-specific metadata, whereas X.509 has arbitrary certificate identifiers. | ||
| 109 | |||
| 110 | The operations defined upon a key are: | ||
| 111 | |||
| 112 | (1) Signature verification. | ||
| 113 | |||
| 114 | Other operations are possible (such as encryption) with the same key data | ||
| 115 | required for verification, but not currently supported, and others | ||
| 116 | (eg. decryption and signature generation) require extra key data. | ||
| 117 | |||
| 118 | |||
| 119 | SIGNATURE VERIFICATION | ||
| 120 | ---------------------- | ||
| 121 | |||
| 122 | An operation is provided to perform cryptographic signature verification, using | ||
| 123 | an asymmetric key to provide or to provide access to the public key. | ||
| 124 | |||
| 125 | int verify_signature(const struct key *key, | ||
| 126 | const struct public_key_signature *sig); | ||
| 127 | |||
| 128 | The caller must have already obtained the key from some source and can then use | ||
| 129 | it to check the signature. The caller must have parsed the signature and | ||
| 130 | transferred the relevant bits to the structure pointed to by sig. | ||
| 131 | |||
| 132 | struct public_key_signature { | ||
| 133 | u8 *digest; | ||
| 134 | u8 digest_size; | ||
| 135 | enum pkey_hash_algo pkey_hash_algo : 8; | ||
| 136 | u8 nr_mpi; | ||
| 137 | union { | ||
| 138 | MPI mpi[2]; | ||
| 139 | ... | ||
| 140 | }; | ||
| 141 | }; | ||
| 142 | |||
| 143 | The algorithm used must be noted in sig->pkey_hash_algo, and all the MPIs that | ||
| 144 | make up the actual signature must be stored in sig->mpi[] and the count of MPIs | ||
| 145 | placed in sig->nr_mpi. | ||
| 146 | |||
| 147 | In addition, the data must have been digested by the caller and the resulting | ||
| 148 | hash must be pointed to by sig->digest and the size of the hash be placed in | ||
| 149 | sig->digest_size. | ||
| 150 | |||
| 151 | The function will return 0 upon success or -EKEYREJECTED if the signature | ||
| 152 | doesn't match. | ||
| 153 | |||
| 154 | The function may also return -ENOTSUPP if an unsupported public-key algorithm | ||
| 155 | or public-key/hash algorithm combination is specified or the key doesn't | ||
| 156 | support the operation; -EBADMSG or -ERANGE if some of the parameters have weird | ||
| 157 | data; or -ENOMEM if an allocation can't be performed. -EINVAL can be returned | ||
| 158 | if the key argument is the wrong type or is incompletely set up. | ||
| 159 | |||
| 160 | |||
| 161 | ======================= | ||
| 162 | ASYMMETRIC KEY SUBTYPES | ||
| 163 | ======================= | ||
| 164 | |||
| 165 | Asymmetric keys have a subtype that defines the set of operations that can be | ||
| 166 | performed on that key and that determines what data is attached as the key | ||
| 167 | payload. The payload format is entirely at the whim of the subtype. | ||
| 168 | |||
| 169 | The subtype is selected by the key data parser and the parser must initialise | ||
| 170 | the data required for it. The asymmetric key retains a reference on the | ||
| 171 | subtype module. | ||
| 172 | |||
| 173 | The subtype definition structure can be found in: | ||
| 174 | |||
| 175 | #include <keys/asymmetric-subtype.h> | ||
| 176 | |||
| 177 | and looks like the following: | ||
| 178 | |||
| 179 | struct asymmetric_key_subtype { | ||
| 180 | struct module *owner; | ||
| 181 | const char *name; | ||
| 182 | |||
| 183 | void (*describe)(const struct key *key, struct seq_file *m); | ||
| 184 | void (*destroy)(void *payload); | ||
| 185 | int (*verify_signature)(const struct key *key, | ||
| 186 | const struct public_key_signature *sig); | ||
| 187 | }; | ||
| 188 | |||
| 189 | Asymmetric keys point to this with their type_data[0] member. | ||
| 190 | |||
| 191 | The owner and name fields should be set to the owning module and the name of | ||
| 192 | the subtype. Currently, the name is only used for print statements. | ||
| 193 | |||
| 194 | There are a number of operations defined by the subtype: | ||
| 195 | |||
| 196 | (1) describe(). | ||
| 197 | |||
| 198 | Mandatory. This allows the subtype to display something in /proc/keys | ||
| 199 | against the key. For instance the name of the public key algorithm type | ||
| 200 | could be displayed. The key type will display the tail of the key | ||
| 201 | identity string after this. | ||
| 202 | |||
| 203 | (2) destroy(). | ||
| 204 | |||
| 205 | Mandatory. This should free the memory associated with the key. The | ||
| 206 | asymmetric key will look after freeing the fingerprint and releasing the | ||
| 207 | reference on the subtype module. | ||
| 208 | |||
| 209 | (3) verify_signature(). | ||
| 210 | |||
| 211 | Optional. These are the entry points for the key usage operations. | ||
| 212 | Currently there is only the one defined. If not set, the caller will be | ||
| 213 | given -ENOTSUPP. The subtype may do anything it likes to implement an | ||
| 214 | operation, including offloading to hardware. | ||
| 215 | |||
| 216 | |||
| 217 | ========================== | ||
| 218 | INSTANTIATION DATA PARSERS | ||
| 219 | ========================== | ||
| 220 | |||
| 221 | The asymmetric key type doesn't generally want to store or to deal with a raw | ||
| 222 | blob of data that holds the key data. It would have to parse it and error | ||
| 223 | check it each time it wanted to use it. Further, the contents of the blob may | ||
| 224 | have various checks that can be performed on it (eg. self-signatures, validity | ||
| 225 | dates) and may contain useful data about the key (identifiers, capabilities). | ||
| 226 | |||
| 227 | Also, the blob may represent a pointer to some hardware containing the key | ||
| 228 | rather than the key itself. | ||
| 229 | |||
| 230 | Examples of blob formats for which parsers could be implemented include: | ||
| 231 | |||
| 232 | - OpenPGP packet stream [RFC 4880]. | ||
| 233 | - X.509 ASN.1 stream. | ||
| 234 | - Pointer to TPM key. | ||
| 235 | - Pointer to UEFI key. | ||
| 236 | |||
| 237 | During key instantiation each parser in the list is tried until one doesn't | ||
| 238 | return -EBADMSG. | ||
| 239 | |||
| 240 | The parser definition structure can be found in: | ||
| 241 | |||
| 242 | #include <keys/asymmetric-parser.h> | ||
| 243 | |||
| 244 | and looks like the following: | ||
| 245 | |||
| 246 | struct asymmetric_key_parser { | ||
| 247 | struct module *owner; | ||
| 248 | const char *name; | ||
| 249 | |||
| 250 | int (*parse)(struct key_preparsed_payload *prep); | ||
| 251 | }; | ||
| 252 | |||
| 253 | The owner and name fields should be set to the owning module and the name of | ||
| 254 | the parser. | ||
| 255 | |||
| 256 | There is currently only a single operation defined by the parser, and it is | ||
| 257 | mandatory: | ||
| 258 | |||
| 259 | (1) parse(). | ||
| 260 | |||
| 261 | This is called to preparse the key from the key creation and update paths. | ||
| 262 | In particular, it is called during the key creation _before_ a key is | ||
| 263 | allocated, and as such, is permitted to provide the key's description in | ||
| 264 | the case that the caller declines to do so. | ||
| 265 | |||
| 266 | The caller passes a pointer to the following struct with all of the fields | ||
| 267 | cleared, except for data, datalen and quotalen [see | ||
| 268 | Documentation/security/keys.txt]. | ||
| 269 | |||
| 270 | struct key_preparsed_payload { | ||
| 271 | char *description; | ||
| 272 | void *type_data[2]; | ||
| 273 | void *payload; | ||
| 274 | const void *data; | ||
| 275 | size_t datalen; | ||
| 276 | size_t quotalen; | ||
| 277 | }; | ||
| 278 | |||
| 279 | The instantiation data is in a blob pointed to by data and is datalen in | ||
| 280 | size. The parse() function is not permitted to change these two values at | ||
| 281 | all, and shouldn't change any of the other values _unless_ they are | ||
| 282 | recognise the blob format and will not return -EBADMSG to indicate it is | ||
| 283 | not theirs. | ||
| 284 | |||
| 285 | If the parser is happy with the blob, it should propose a description for | ||
| 286 | the key and attach it to ->description, ->type_data[0] should be set to | ||
| 287 | point to the subtype to be used, ->payload should be set to point to the | ||
| 288 | initialised data for that subtype, ->type_data[1] should point to a hex | ||
| 289 | fingerprint and quotalen should be updated to indicate how much quota this | ||
| 290 | key should account for. | ||
| 291 | |||
| 292 | When clearing up, the data attached to ->type_data[1] and ->description | ||
| 293 | will be kfree()'d and the data attached to ->payload will be passed to the | ||
| 294 | subtype's ->destroy() method to be disposed of. A module reference for | ||
| 295 | the subtype pointed to by ->type_data[0] will be put. | ||
| 296 | |||
| 297 | |||
| 298 | If the data format is not recognised, -EBADMSG should be returned. If it | ||
| 299 | is recognised, but the key cannot for some reason be set up, some other | ||
| 300 | negative error code should be returned. On success, 0 should be returned. | ||
| 301 | |||
| 302 | The key's fingerprint string may be partially matched upon. For a | ||
| 303 | public-key algorithm such as RSA and DSA this will likely be a printable | ||
| 304 | hex version of the key's fingerprint. | ||
| 305 | |||
| 306 | Functions are provided to register and unregister parsers: | ||
| 307 | |||
| 308 | int register_asymmetric_key_parser(struct asymmetric_key_parser *parser); | ||
| 309 | void unregister_asymmetric_key_parser(struct asymmetric_key_parser *subtype); | ||
| 310 | |||
| 311 | Parsers may not have the same name. The names are otherwise only used for | ||
| 312 | displaying in debugging messages. | ||
| @@ -132,3 +132,12 @@ Here we can see the RAID type is raid4, there are 5 devices - all of · 131 unmodified lines | |||
| 132 | which are 'A'live, and the array is 2/490221568 complete with recovery. | 132 | which are 'A'live, and the array is 2/490221568 complete with recovery. |
| 133 | Faulty or missing devices are marked 'D'. Devices that are out-of-sync | 133 | Faulty or missing devices are marked 'D'. Devices that are out-of-sync |
| 134 | are marked 'a'. | 134 | are marked 'a'. |
| 135 | |||
| 136 | |||
| 137 | Version History | ||
| 138 | --------------- | ||
| 139 | 1.0.0 Initial version. Support for RAID 4/5/6 | ||
| 140 | 1.1.0 Added support for RAID 1 | ||
| 141 | 1.2.0 Handle creation of arrays that contain failed devices. | ||
| 142 | 1.3.0 Added support for RAID 10 | ||
| 143 | 1.3.1 Allow device replacement/rebuild for RAID 10 | ||
| @@ -1,3 +1,15 @@ | |||
| 1 | ARM Integrator/AP (Application Platform) and Integrator/CP (Compact Platform) | ||
| 2 | ----------------------------------------------------------------------------- | ||
| 3 | ARM's oldest Linux-supported platform with connectors for different core | ||
| 4 | tiles of ARMv4, ARMv5 and ARMv6 type. | ||
| 5 | |||
| 6 | Required properties (in root node): | ||
| 7 | compatible = "arm,integrator-ap"; /* Application Platform */ | ||
| 8 | compatible = "arm,integrator-cp"; /* Compact Platform */ | ||
| 9 | |||
| 10 | FPGA type interrupt controllers, see the versatile-fpga-irq binding doc. | ||
| 11 | |||
| 12 | |||
| 1 | ARM Versatile Application and Platform Baseboards | 13 | ARM Versatile Application and Platform Baseboards |
| 2 | ------------------------------------------------- | 14 | ------------------------------------------------- |
| 3 | ARM's development hardware platform with connectors for customizable | 15 | ARM's development hardware platform with connectors for customizable |
| @@ -8,7 +8,7 @@ PIT Timer required properties: · 7 unmodified lines | |||
| 8 | shared across all System Controller members. | 8 | shared across all System Controller members. |
| 9 | 9 | ||
| 10 | TC/TCLIB Timer required properties: | 10 | TC/TCLIB Timer required properties: |
| 11 | - compatible: Should be "atmel,<chip>-pit". | 11 | - compatible: Should be "atmel,<chip>-tcb". |
| 12 | <chip> can be "at91rm9200" or "at91sam9x5" | 12 | <chip> can be "at91rm9200" or "at91sam9x5" |
| 13 | - reg: Should contain registers location and length | 13 | - reg: Should contain registers location and length |
| 14 | - interrupts: Should contain all interrupts for the TC block | 14 | - interrupts: Should contain all interrupts for the TC block |
| @@ -0,0 +1,8 @@ | |||
| 1 | Broadcom BCM2835 device tree bindings | ||
| 2 | ------------------------------------------- | ||
| 3 | |||
| 4 | Boards with the BCM2835 SoC shall have the following properties: | ||
| 5 | |||
| 6 | Required root node property: | ||
| 7 | |||
| 8 | compatible = "brcm,bcm2835"; | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | Calxeda Highbank Combination Phys for SATA | ||
| 2 | |||
| 3 | Properties: | ||
| 4 | - compatible : Should be "calxeda,hb-combophy" | ||
| 5 | - #phy-cells: Should be 1. | ||
| 6 | - reg : Address and size for Combination Phy registers. | ||
| 7 | - phydev: device ID for programming the combophy. | ||
| 8 | |||
| 9 | Example: | ||
| 10 | |||
| 11 | combophy5: combo-phy@fff5d000 { | ||
| 12 | compatible = "calxeda,hb-combophy"; | ||
| 13 | #phy-cells = <1>; | ||
| 14 | reg = <0xfff5d000 0x1000>; | ||
| 15 | phydev = <31>; | ||
| 16 | }; | ||
| 17 | |||
| @@ -0,0 +1,51 @@ | |||
| 1 | * Texas Instruments Davinci NAND | ||
| 2 | |||
| 3 | This file provides information, what the device node for the | ||
| 4 | davinci nand interface contain. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "ti,davinci-nand"; | ||
| 8 | - reg : contain 2 offset/length values: | ||
| 9 | - offset and length for the access window | ||
| 10 | - offset and length for accessing the aemif control registers | ||
| 11 | - ti,davinci-chipselect: Indicates on the davinci_nand driver which | ||
| 12 | chipselect is used for accessing the nand. | ||
| 13 | |||
| 14 | Recommended properties : | ||
| 15 | - ti,davinci-mask-ale: mask for ale | ||
| 16 | - ti,davinci-mask-cle: mask for cle | ||
| 17 | - ti,davinci-mask-chipsel: mask for chipselect | ||
| 18 | - ti,davinci-ecc-mode: ECC mode valid values for davinci driver: | ||
| 19 | - "none" | ||
| 20 | - "soft" | ||
| 21 | - "hw" | ||
| 22 | - ti,davinci-ecc-bits: used ECC bits, currently supported 1 or 4. | ||
| 23 | - ti,davinci-nand-buswidth: buswidth 8 or 16 | ||
| 24 | - ti,davinci-nand-use-bbt: use flash based bad block table support. | ||
| 25 | |||
| 26 | Example (enbw_cmc board): | ||
| 27 | aemif@60000000 { | ||
| 28 | compatible = "ti,davinci-aemif"; | ||
| 29 | #address-cells = <2>; | ||
| 30 | #size-cells = <1>; | ||
| 31 | reg = <0x68000000 0x80000>; | ||
| 32 | ranges = <2 0 0x60000000 0x02000000 | ||
| 33 | 3 0 0x62000000 0x02000000 | ||
| 34 | 4 0 0x64000000 0x02000000 | ||
| 35 | 5 0 0x66000000 0x02000000 | ||
| 36 | 6 0 0x68000000 0x02000000>; | ||
| 37 | nand@3,0 { | ||
| 38 | compatible = "ti,davinci-nand"; | ||
| 39 | reg = <3 0x0 0x807ff | ||
| 40 | 6 0x0 0x8000>; | ||
| 41 | #address-cells = <1>; | ||
| 42 | #size-cells = <1>; | ||
| 43 | ti,davinci-chipselect = <1>; | ||
| 44 | ti,davinci-mask-ale = <0>; | ||
| 45 | ti,davinci-mask-cle = <0>; | ||
| 46 | ti,davinci-mask-chipsel = <0>; | ||
| 47 | ti,davinci-ecc-mode = "hw"; | ||
| 48 | ti,davinci-ecc-bits = <4>; | ||
| 49 | ti,davinci-nand-use-bbt; | ||
| 50 | }; | ||
| 51 | }; | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | * Marvell Tauros2 Cache | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : Should be "marvell,tauros2-cache". | ||
| 5 | - marvell,tauros2-cache-features : Specify the features supported for the | ||
| 6 | tauros2 cache. | ||
| 7 | The features including | ||
| 8 | CACHE_TAUROS2_PREFETCH_ON (1 << 0) | ||
| 9 | CACHE_TAUROS2_LINEFILL_BURST8 (1 << 1) | ||
| 10 | The definition can be found at | ||
| 11 | arch/arm/include/asm/hardware/cache-tauros2.h | ||
| 12 | |||
| 13 | Example: | ||
| 14 | L2: l2-cache { | ||
| 15 | compatible = "marvell,tauros2-cache"; | ||
| 16 | marvell,tauros2-cache-features = <0x3>; | ||
| 17 | }; | ||
| @@ -0,0 +1,38 @@ | |||
| 1 | * MSM Timer | ||
| 2 | |||
| 3 | Properties: | ||
| 4 | |||
| 5 | - compatible : Should at least contain "qcom,msm-timer". More specific | ||
| 6 | properties such as "qcom,msm-gpt" and "qcom,msm-dgt" specify a general | ||
| 7 | purpose timer and a debug timer respectively. | ||
| 8 | |||
| 9 | - interrupts : Interrupt indicating a match event. | ||
| 10 | |||
| 11 | - reg : Specifies the base address of the timer registers. The second region | ||
| 12 | specifies an optional register used to configure the clock divider. | ||
| 13 | |||
| 14 | - clock-frequency : The frequency of the timer in Hz. | ||
| 15 | |||
| 16 | Optional: | ||
| 17 | |||
| 18 | - cpu-offset : per-cpu offset used when the timer is accessed without the | ||
| 19 | CPU remapping facilities. The offset is cpu-offset * cpu-nr. | ||
| 20 | |||
| 21 | Example: | ||
| 22 | |||
| 23 | timer@200a004 { | ||
| 24 | compatible = "qcom,msm-gpt", "qcom,msm-timer"; | ||
| 25 | interrupts = <1 2 0x301>; | ||
| 26 | reg = <0x0200a004 0x10>; | ||
| 27 | clock-frequency = <32768>; | ||
| 28 | cpu-offset = <0x40000>; | ||
| 29 | }; | ||
| 30 | |||
| 31 | timer@200a024 { | ||
| 32 | compatible = "qcom,msm-dgt", "qcom,msm-timer"; | ||
| 33 | interrupts = <1 3 0x301>; | ||
| 34 | reg = <0x0200a024 0x10>, | ||
| 35 | <0x0200a034 0x4>; | ||
| 36 | clock-frequency = <6750000>; | ||
| 37 | cpu-offset = <0x40000>; | ||
| 38 | }; | ||
| @@ -36,6 +36,9 @@ Boards: · 35 unmodified lines | |||
| 36 | - OMAP3 BeagleBoard : Low cost community board | 36 | - OMAP3 BeagleBoard : Low cost community board |
| 37 | compatible = "ti,omap3-beagle", "ti,omap3" | 37 | compatible = "ti,omap3-beagle", "ti,omap3" |
| 38 | 38 | ||
| 39 | - OMAP3 Tobi with Overo : Commercial expansion board with daughter board | ||
| 40 | compatible = "ti,omap3-tobi", "ti,omap3-overo", "ti,omap3" | ||
| 41 | |||
| 39 | - OMAP4 SDP : Software Developement Board | 42 | - OMAP4 SDP : Software Developement Board |
| 40 | compatible = "ti,omap4-sdp", "ti,omap4430" | 43 | compatible = "ti,omap4-sdp", "ti,omap4430" |
| 41 | 44 | ||
| @@ -7,8 +7,12 @@ representation in the device tree should be done as under:- · 6 unmodified lines | |||
| 7 | Required properties: | 7 | Required properties: |
| 8 | 8 | ||
| 9 | - compatible : should be one of | 9 | - compatible : should be one of |
| 10 | "arm,cortex-a15-pmu" | ||
| 10 | "arm,cortex-a9-pmu" | 11 | "arm,cortex-a9-pmu" |
| 11 | "arm,cortex-a8-pmu" | 12 | "arm,cortex-a8-pmu" |
| 13 | "arm,cortex-a7-pmu" | ||
| 14 | "arm,cortex-a5-pmu" | ||
| 15 | "arm,arm11mpcore-pmu" | ||
| 12 | "arm,arm1176-pmu" | 16 | "arm,arm1176-pmu" |
| 13 | "arm,arm1136-pmu" | 17 | "arm,arm1136-pmu" |
| 14 | - interrupts : 1 combined interrupt or 1 per core. | 18 | - interrupts : 1 combined interrupt or 1 per core. |
| @@ -0,0 +1,31 @@ | |||
| 1 | * ARM Versatile FPGA interrupt controller | ||
| 2 | |||
| 3 | One or more FPGA IRQ controllers can be synthesized in an ARM reference board | ||
| 4 | such as the Integrator or Versatile family. The output of these different | ||
| 5 | controllers are OR:ed together and fed to the CPU tile's IRQ input. Each | ||
| 6 | instance can handle up to 32 interrupts. | ||
| 7 | |||
| 8 | Required properties: | ||
| 9 | - compatible: "arm,versatile-fpga-irq" | ||
| 10 | - interrupt-controller: Identifies the node as an interrupt controller | ||
| 11 | - #interrupt-cells: The number of cells to define the interrupts. Must be 1 | ||
| 12 | as the FPGA IRQ controller has no configuration options for interrupt | ||
| 13 | sources. The cell is a u32 and defines the interrupt number. | ||
| 14 | - reg: The register bank for the FPGA interrupt controller. | ||
| 15 | - clear-mask: a u32 number representing the mask written to clear all IRQs | ||
| 16 | on the controller at boot for example. | ||
| 17 | - valid-mask: a u32 number representing a bit mask determining which of | ||
| 18 | the interrupts are valid. Unconnected/unused lines are set to 0, and | ||
| 19 | the system till not make it possible for devices to request these | ||
| 20 | interrupts. | ||
| 21 | |||
| 22 | Example: | ||
| 23 | |||
| 24 | pic: pic@14000000 { | ||
| 25 | compatible = "arm,versatile-fpga-irq"; | ||
| 26 | #interrupt-cells = <1>; | ||
| 27 | interrupt-controller; | ||
| 28 | reg = <0x14000000 0x100>; | ||
| 29 | clear-mask = <0xffffffff>; | ||
| 30 | valid-mask = <0x003fffff>; | ||
| 31 | }; | ||
| @@ -0,0 +1,14 @@ | |||
| 1 | VIA/Wondermedia VT8500 Platforms Device Tree Bindings | ||
| 2 | --------------------------------------- | ||
| 3 | |||
| 4 | Boards with the VIA VT8500 SoC shall have the following properties: | ||
| 5 | Required root node property: | ||
| 6 | compatible = "via,vt8500"; | ||
| 7 | |||
| 8 | Boards with the Wondermedia WM8505 SoC shall have the following properties: | ||
| 9 | Required root node property: | ||
| 10 | compatible = "wm,wm8505"; | ||
| 11 | |||
| 12 | Boards with the Wondermedia WM8650 SoC shall have the following properties: | ||
| 13 | Required root node property: | ||
| 14 | compatible = "wm,wm8650"; | ||
| @@ -0,0 +1,16 @@ | |||
| 1 | VIA/Wondermedia VT8500 Interrupt Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-intc" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - #interrupt-cells : should be <1> | ||
| 8 | |||
| 9 | Example: | ||
| 10 | |||
| 11 | intc: interrupt-controller@d8140000 { | ||
| 12 | compatible = "via,vt8500-intc"; | ||
| 13 | interrupt-controller; | ||
| 14 | reg = <0xd8140000 0x10000>; | ||
| 15 | #interrupt-cells = <1>; | ||
| 16 | }; | ||
| @@ -0,0 +1,13 @@ | |||
| 1 | VIA/Wondermedia VT8500 Power Management Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-pmc" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | |||
| 8 | Example: | ||
| 9 | |||
| 10 | pmc@d8130000 { | ||
| 11 | compatible = "via,vt8500-pmc"; | ||
| 12 | reg = <0xd8130000 0x1000>; | ||
| 13 | }; | ||
| @@ -0,0 +1,15 @@ | |||
| 1 | VIA/Wondermedia VT8500 Timer | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-timer" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - interrupts : interrupt for the timer | ||
| 8 | |||
| 9 | Example: | ||
| 10 | |||
| 11 | timer@d8130100 { | ||
| 12 | compatible = "via,vt8500-timer"; | ||
| 13 | reg = <0xd8130100 0x28>; | ||
| 14 | interrupts = <36>; | ||
| 15 | }; | ||
| @@ -0,0 +1,25 @@ | |||
| 1 | * Xen hypervisor device tree bindings | ||
| 2 | |||
| 3 | Xen ARM virtual platforms shall have a top-level "hypervisor" node with | ||
| 4 | the following properties: | ||
| 5 | |||
| 6 | - compatible: | ||
| 7 | compatible = "xen,xen-<version>", "xen,xen"; | ||
| 8 | where <version> is the version of the Xen ABI of the platform. | ||
| 9 | |||
| 10 | - reg: specifies the base physical address and size of a region in | ||
| 11 | memory where the grant table should be mapped to, using an | ||
| 12 | HYPERVISOR_memory_op hypercall. The memory region is large enough to map | ||
| 13 | the whole grant table (it is larger or equal to gnttab_max_grant_frames()). | ||
| 14 | |||
| 15 | - interrupts: the interrupt used by Xen to inject event notifications. | ||
| 16 | A GIC node is also required. | ||
| 17 | |||
| 18 | |||
| 19 | Example (assuming #address-cells = <2> and #size-cells = <2>): | ||
| 20 | |||
| 21 | hypervisor { | ||
| 22 | compatible = "xen,xen-4.3", "xen,xen"; | ||
| 23 | reg = <0 0xb0000000 0 0x20000>; | ||
| 24 | interrupts = <1 15 0xf08>; | ||
| 25 | }; | ||
| @@ -8,9 +8,18 @@ Required properties: · 7 unmodified lines | |||
| 8 | - interrupts : <interrupt mapping for SATA IRQ> | 8 | - interrupts : <interrupt mapping for SATA IRQ> |
| 9 | - reg : <registers mapping> | 9 | - reg : <registers mapping> |
| 10 | 10 | ||
| 11 | Optional properties: | ||
| 12 | - calxeda,port-phys: phandle-combophy and lane assignment, which maps each | ||
| 13 | SATA port to a combophy and a lane within that | ||
| 14 | combophy | ||
| 15 | - dma-coherent : Present if dma operations are coherent | ||
| 16 | |||
| 11 | Example: | 17 | Example: |
| 12 | sata@ffe08000 { | 18 | sata@ffe08000 { |
| 13 | compatible = "calxeda,hb-ahci"; | 19 | compatible = "calxeda,hb-ahci"; |
| 14 | reg = <0xffe08000 0x1000>; | 20 | reg = <0xffe08000 0x1000>; |
| 15 | interrupts = <115>; | 21 | interrupts = <115>; |
| 22 | calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1 | ||
| 23 | &combophy0 2 &combophy0 3>; | ||
| 24 | |||
| 16 | }; | 25 | }; |
| @@ -0,0 +1,17 @@ | |||
| 1 | * ARASAN PATA COMPACT FLASH CONTROLLER | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "arasan,cf-spear1340" | ||
| 5 | - reg: Address range of the CF registers | ||
| 6 | - interrupt-parent: Should be the phandle for the interrupt controller | ||
| 7 | that services interrupts for this device | ||
| 8 | - interrupt: Should contain the CF interrupt number | ||
| 9 | |||
| 10 | Example: | ||
| 11 | |||
| 12 | cf@fc000000 { | ||
| 13 | compatible = "arasan,cf-spear1340"; | ||
| 14 | reg = <0xfc000000 0x1000>; | ||
| 15 | interrupt-parent = <&vic1>; | ||
| 16 | interrupts = <12>; | ||
| 17 | }; | ||
| @@ -0,0 +1,10 @@ | |||
| 1 | * OMAP OCP2SCP - ocp interface to scp interface | ||
| 2 | |||
| 3 | properties: | ||
| 4 | - compatible : Should be "ti,omap-ocp2scp" | ||
| 5 | - #address-cells, #size-cells : Must be present if the device has sub-nodes | ||
| 6 | - ranges : the child address space are mapped 1:1 onto the parent address space | ||
| 7 | - ti,hwmods : must be "ocp2scp_usb_phy" | ||
| 8 | |||
| 9 | Sub-nodes: | ||
| 10 | All the devices connected to ocp2scp are described using sub-node to ocp2scp | ||
| @@ -0,0 +1,76 @@ | |||
| 1 | * Clock bindings for Freescale i.MX23 | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: Should be "fsl,imx23-clkctrl" | ||
| 5 | - reg: Address and length of the register set | ||
| 6 | - #clock-cells: Should be <1> | ||
| 7 | |||
| 8 | The clock consumer should specify the desired clock by having the clock | ||
| 9 | ID in its "clocks" phandle cell. The following is a full list of i.MX23 | ||
| 10 | clocks and IDs. | ||
| 11 | |||
| 12 | Clock ID | ||
| 13 | ------------------ | ||
| 14 | ref_xtal 0 | ||
| 15 | pll 1 | ||
| 16 | ref_cpu 2 | ||
| 17 | ref_emi 3 | ||
| 18 | ref_pix 4 | ||
| 19 | ref_io 5 | ||
| 20 | saif_sel 6 | ||
| 21 | lcdif_sel 7 | ||
| 22 | gpmi_sel 8 | ||
| 23 | ssp_sel 9 | ||
| 24 | emi_sel 10 | ||
| 25 | cpu 11 | ||
| 26 | etm_sel 12 | ||
| 27 | cpu_pll 13 | ||
| 28 | cpu_xtal 14 | ||
| 29 | hbus 15 | ||
| 30 | xbus 16 | ||
| 31 | lcdif_div 17 | ||
| 32 | ssp_div 18 | ||
| 33 | gpmi_div 19 | ||
| 34 | emi_pll 20 | ||
| 35 | emi_xtal 21 | ||
| 36 | etm_div 22 | ||
| 37 | saif_div 23 | ||
| 38 | clk32k_div 24 | ||
| 39 | rtc 25 | ||
| 40 | adc 26 | ||
| 41 | spdif_div 27 | ||
| 42 | clk32k 28 | ||
| 43 | dri 29 | ||
| 44 | pwm 30 | ||
| 45 | filt 31 | ||
| 46 | uart 32 | ||
| 47 | ssp 33 | ||
| 48 | gpmi 34 | ||
| 49 | spdif 35 | ||
| 50 | emi 36 | ||
| 51 | saif 37 | ||
| 52 | lcdif 38 | ||
| 53 | etm 39 | ||
| 54 | usb 40 | ||
| 55 | usb_pwr 41 | ||
| 56 | |||
| 57 | Examples: | ||
| 58 | |||
| 59 | clks: clkctrl@80040000 { | ||
| 60 | compatible = "fsl,imx23-clkctrl"; | ||
| 61 | reg = <0x80040000 0x2000>; | ||
| 62 | #clock-cells = <1>; | ||
| 63 | clock-output-names = | ||
| 64 | ... | ||
| 65 | "uart", /* 32 */ | ||
| 66 | ... | ||
| 67 | "end_of_list"; | ||
| 68 | }; | ||
| 69 | |||
| 70 | auart0: serial@8006c000 { | ||
| 71 | compatible = "fsl,imx23-auart"; | ||
| 72 | reg = <0x8006c000 0x2000>; | ||
| 73 | interrupts = <24 25 23>; | ||
| 74 | clocks = <&clks 32>; | ||
| 75 | status = "disabled"; | ||
| 76 | }; | ||
| @@ -0,0 +1,99 @@ | |||
| 1 | * Clock bindings for Freescale i.MX28 | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: Should be "fsl,imx28-clkctrl" | ||
| 5 | - reg: Address and length of the register set | ||
| 6 | - #clock-cells: Should be <1> | ||
| 7 | |||
| 8 | The clock consumer should specify the desired clock by having the clock | ||
| 9 | ID in its "clocks" phandle cell. The following is a full list of i.MX28 | ||
| 10 | clocks and IDs. | ||
| 11 | |||
| 12 | Clock ID | ||
| 13 | ------------------ | ||
| 14 | ref_xtal 0 | ||
| 15 | pll0 1 | ||
| 16 | pll1 2 | ||
| 17 | pll2 3 | ||
| 18 | ref_cpu 4 | ||
| 19 | ref_emi 5 | ||
| 20 | ref_io0 6 | ||
| 21 | ref_io1 7 | ||
| 22 | ref_pix 8 | ||
| 23 | ref_hsadc 9 | ||
| 24 | ref_gpmi 10 | ||
| 25 | saif0_sel 11 | ||
| 26 | saif1_sel 12 | ||
| 27 | gpmi_sel 13 | ||
| 28 | ssp0_sel 14 | ||
| 29 | ssp1_sel 15 | ||
| 30 | ssp2_sel 16 | ||
| 31 | ssp3_sel 17 | ||
| 32 | emi_sel 18 | ||
| 33 | etm_sel 19 | ||
| 34 | lcdif_sel 20 | ||
| 35 | cpu 21 | ||
| 36 | ptp_sel 22 | ||
| 37 | cpu_pll 23 | ||
| 38 | cpu_xtal 24 | ||
| 39 | hbus 25 | ||
| 40 | xbus 26 | ||
| 41 | ssp0_div 27 | ||
| 42 | ssp1_div 28 | ||
| 43 | ssp2_div 29 | ||
| 44 | ssp3_div 30 | ||
| 45 | gpmi_div 31 | ||
| 46 | emi_pll 32 | ||
| 47 | emi_xtal 33 | ||
| 48 | lcdif_div 34 | ||
| 49 | etm_div 35 | ||
| 50 | ptp 36 | ||
| 51 | saif0_div 37 | ||
| 52 | saif1_div 38 | ||
| 53 | clk32k_div 39 | ||
| 54 | rtc 40 | ||
| 55 | lradc 41 | ||
| 56 | spdif_div 42 | ||
| 57 | clk32k 43 | ||
| 58 | pwm 44 | ||
| 59 | uart 45 | ||
| 60 | ssp0 46 | ||
| 61 | ssp1 47 | ||
| 62 | ssp2 48 | ||
| 63 | ssp3 49 | ||
| 64 | gpmi 50 | ||
| 65 | spdif 51 | ||
| 66 | emi 52 | ||
| 67 | saif0 53 | ||
| 68 | saif1 54 | ||
| 69 | lcdif 55 | ||
| 70 | etm 56 | ||
| 71 | fec 57 | ||
| 72 | can0 58 | ||
| 73 | can1 59 | ||
| 74 | usb0 60 | ||
| 75 | usb1 61 | ||
| 76 | usb0_pwr 62 | ||
| 77 | usb1_pwr 63 | ||
| 78 | enet_out 64 | ||
| 79 | |||
| 80 | Examples: | ||
| 81 | |||
| 82 | clks: clkctrl@80040000 { | ||
| 83 | compatible = "fsl,imx28-clkctrl"; | ||
| 84 | reg = <0x80040000 0x2000>; | ||
| 85 | #clock-cells = <1>; | ||
| 86 | clock-output-names = | ||
| 87 | ... | ||
| 88 | "uart", /* 45 */ | ||
| 89 | ... | ||
| 90 | "end_of_list"; | ||
| 91 | }; | ||
| 92 | |||
| 93 | auart0: serial@8006a000 { | ||
| 94 | compatible = "fsl,imx28-auart", "fsl,imx23-auart"; | ||
| 95 | reg = <0x8006a000 0x2000>; | ||
| 96 | interrupts = <112 70 71>; | ||
| 97 | clocks = <&clks 45>; | ||
| 98 | status = "disabled"; | ||
| 99 | }; | ||
| @@ -0,0 +1,222 @@ | |||
| 1 | * Clock bindings for Freescale i.MX6 Quad | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: Should be "fsl,imx6q-ccm" | ||
| 5 | - reg: Address and length of the register set | ||
| 6 | - interrupts: Should contain CCM interrupt | ||
| 7 | - #clock-cells: Should be <1> | ||
| 8 | |||
| 9 | The clock consumer should specify the desired clock by having the clock | ||
| 10 | ID in its "clocks" phandle cell. The following is a full list of i.MX6Q | ||
| 11 | clocks and IDs. | ||
| 12 | |||
| 13 | Clock ID | ||
| 14 | --------------------------- | ||
| 15 | dummy 0 | ||
| 16 | ckil 1 | ||
| 17 | ckih 2 | ||
| 18 | osc 3 | ||
| 19 | pll2_pfd0_352m 4 | ||
| 20 | pll2_pfd1_594m 5 | ||
| 21 | pll2_pfd2_396m 6 | ||
| 22 | pll3_pfd0_720m 7 | ||
| 23 | pll3_pfd1_540m 8 | ||
| 24 | pll3_pfd2_508m 9 | ||
| 25 | pll3_pfd3_454m 10 | ||
| 26 | pll2_198m 11 | ||
| 27 | pll3_120m 12 | ||
| 28 | pll3_80m 13 | ||
| 29 | pll3_60m 14 | ||
| 30 | twd 15 | ||
| 31 | step 16 | ||
| 32 | pll1_sw 17 | ||
| 33 | periph_pre 18 | ||
| 34 | periph2_pre 19 | ||
| 35 | periph_clk2_sel 20 | ||
| 36 | periph2_clk2_sel 21 | ||
| 37 | axi_sel 22 | ||
| 38 | esai_sel 23 | ||
| 39 | asrc_sel 24 | ||
| 40 | spdif_sel 25 | ||
| 41 | gpu2d_axi 26 | ||
| 42 | gpu3d_axi 27 | ||
| 43 | gpu2d_core_sel 28 | ||
| 44 | gpu3d_core_sel 29 | ||
| 45 | gpu3d_shader_sel 30 | ||
| 46 | ipu1_sel 31 | ||
| 47 | ipu2_sel 32 | ||
| 48 | ldb_di0_sel 33 | ||
| 49 | ldb_di1_sel 34 | ||
| 50 | ipu1_di0_pre_sel 35 | ||
| 51 | ipu1_di1_pre_sel 36 | ||
| 52 | ipu2_di0_pre_sel 37 | ||
| 53 | ipu2_di1_pre_sel 38 | ||
| 54 | ipu1_di0_sel 39 | ||
| 55 | ipu1_di1_sel 40 | ||
| 56 | ipu2_di0_sel 41 | ||
| 57 | ipu2_di1_sel 42 | ||
| 58 | hsi_tx_sel 43 | ||
| 59 | pcie_axi_sel 44 | ||
| 60 | ssi1_sel 45 | ||
| 61 | ssi2_sel 46 | ||
| 62 | ssi3_sel 47 | ||
| 63 | usdhc1_sel 48 | ||
| 64 | usdhc2_sel 49 | ||
| 65 | usdhc3_sel 50 | ||
| 66 | usdhc4_sel 51 | ||
| 67 | enfc_sel 52 | ||
| 68 | emi_sel 53 | ||
| 69 | emi_slow_sel 54 | ||
| 70 | vdo_axi_sel 55 | ||
| 71 | vpu_axi_sel 56 | ||
| 72 | cko1_sel 57 | ||
| 73 | periph 58 | ||
| 74 | periph2 59 | ||
| 75 | periph_clk2 60 | ||
| 76 | periph2_clk2 61 | ||
| 77 | ipg 62 | ||
| 78 | ipg_per 63 | ||
| 79 | esai_pred 64 | ||
| 80 | esai_podf 65 | ||
| 81 | asrc_pred 66 | ||
| 82 | asrc_podf 67 | ||
| 83 | spdif_pred 68 | ||
| 84 | spdif_podf 69 | ||
| 85 | can_root 70 | ||
| 86 | ecspi_root 71 | ||
| 87 | gpu2d_core_podf 72 | ||
| 88 | gpu3d_core_podf 73 | ||
| 89 | gpu3d_shader 74 | ||
| 90 | ipu1_podf 75 | ||
| 91 | ipu2_podf 76 | ||
| 92 | ldb_di0_podf 77 | ||
| 93 | ldb_di1_podf 78 | ||
| 94 | ipu1_di0_pre 79 | ||
| 95 | ipu1_di1_pre 80 | ||
| 96 | ipu2_di0_pre 81 | ||
| 97 | ipu2_di1_pre 82 | ||
| 98 | hsi_tx_podf 83 | ||
| 99 | ssi1_pred 84 | ||
| 100 | ssi1_podf 85 | ||
| 101 | ssi2_pred 86 | ||
| 102 | ssi2_podf 87 | ||
| 103 | ssi3_pred 88 | ||
| 104 | ssi3_podf 89 | ||
| 105 | uart_serial_podf 90 | ||
| 106 | usdhc1_podf 91 | ||
| 107 | usdhc2_podf 92 | ||
| 108 | usdhc3_podf 93 | ||
| 109 | usdhc4_podf 94 | ||
| 110 | enfc_pred 95 | ||
| 111 | enfc_podf 96 | ||
| 112 | emi_podf 97 | ||
| 113 | emi_slow_podf 98 | ||
| 114 | vpu_axi_podf 99 | ||
| 115 | cko1_podf 100 | ||
| 116 | axi 101 | ||
| 117 | mmdc_ch0_axi_podf 102 | ||
| 118 | mmdc_ch1_axi_podf 103 | ||
| 119 | arm 104 | ||
| 120 | ahb 105 | ||
| 121 | apbh_dma 106 | ||
| 122 | asrc 107 | ||
| 123 | can1_ipg 108 | ||
| 124 | can1_serial 109 | ||
| 125 | can2_ipg 110 | ||
| 126 | can2_serial 111 | ||
| 127 | ecspi1 112 | ||
| 128 | ecspi2 113 | ||
| 129 | ecspi3 114 | ||
| 130 | ecspi4 115 | ||
| 131 | ecspi5 116 | ||
| 132 | enet 117 | ||
| 133 | esai 118 | ||
| 134 | gpt_ipg 119 | ||
| 135 | gpt_ipg_per 120 | ||
| 136 | gpu2d_core 121 | ||
| 137 | gpu3d_core 122 | ||
| 138 | hdmi_iahb 123 | ||
| 139 | hdmi_isfr 124 | ||
| 140 | i2c1 125 | ||
| 141 | i2c2 126 | ||
| 142 | i2c3 127 | ||
| 143 | iim 128 | ||
| 144 | enfc 129 | ||
| 145 | ipu1 130 | ||
| 146 | ipu1_di0 131 | ||
| 147 | ipu1_di1 132 | ||
| 148 | ipu2 133 | ||
| 149 | ipu2_di0 134 | ||
| 150 | ldb_di0 135 | ||
| 151 | ldb_di1 136 | ||
| 152 | ipu2_di1 137 | ||
| 153 | hsi_tx 138 | ||
| 154 | mlb 139 | ||
| 155 | mmdc_ch0_axi 140 | ||
| 156 | mmdc_ch1_axi 141 | ||
| 157 | ocram 142 | ||
| 158 | openvg_axi 143 | ||
| 159 | pcie_axi 144 | ||
| 160 | pwm1 145 | ||
| 161 | pwm2 146 | ||
| 162 | pwm3 147 | ||
| 163 | pwm4 148 | ||
| 164 | per1_bch 149 | ||
| 165 | gpmi_bch_apb 150 | ||
| 166 | gpmi_bch 151 | ||
| 167 | gpmi_io 152 | ||
| 168 | gpmi_apb 153 | ||
| 169 | sata 154 | ||
| 170 | sdma 155 | ||
| 171 | spba 156 | ||
| 172 | ssi1 157 | ||
| 173 | ssi2 158 | ||
| 174 | ssi3 159 | ||
| 175 | uart_ipg 160 | ||
| 176 | uart_serial 161 | ||
| 177 | usboh3 162 | ||
| 178 | usdhc1 163 | ||
| 179 | usdhc2 164 | ||
| 180 | usdhc3 165 | ||
| 181 | usdhc4 166 | ||
| 182 | vdo_axi 167 | ||
| 183 | vpu_axi 168 | ||
| 184 | cko1 169 | ||
| 185 | pll1_sys 170 | ||
| 186 | pll2_bus 171 | ||
| 187 | pll3_usb_otg 172 | ||
| 188 | pll4_audio 173 | ||
| 189 | pll5_video 174 | ||
| 190 | pll6_mlb 175 | ||
| 191 | pll7_usb_host 176 | ||
| 192 | pll8_enet 177 | ||
| 193 | ssi1_ipg 178 | ||
| 194 | ssi2_ipg 179 | ||
| 195 | ssi3_ipg 180 | ||
| 196 | rom 181 | ||
| 197 | usbphy1 182 | ||
| 198 | usbphy2 183 | ||
| 199 | ldb_di0_div_3_5 184 | ||
| 200 | ldb_di1_div_3_5 185 | ||
| 201 | |||
| 202 | Examples: | ||
| 203 | |||
| 204 | clks: ccm@020c4000 { | ||
| 205 | compatible = "fsl,imx6q-ccm"; | ||
| 206 | reg = <0x020c4000 0x4000>; | ||
| 207 | interrupts = <0 87 0x04 0 88 0x04>; | ||
| 208 | #clock-cells = <1>; | ||
| 209 | clock-output-names = ... | ||
| 210 | "uart_ipg", | ||
| 211 | "uart_serial", | ||
| 212 | ...; | ||
| 213 | }; | ||
| 214 | |||
| 215 | uart1: serial@02020000 { | ||
| 216 | compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; | ||
| 217 | reg = <0x02020000 0x4000>; | ||
| 218 | interrupts = <0 26 0x04>; | ||
| 219 | clocks = <&clks 160>, <&clks 161>; | ||
| 220 | clock-names = "ipg", "per"; | ||
| 221 | status = "disabled"; | ||
| 222 | }; | ||
| @@ -0,0 +1,72 @@ | |||
| 1 | Device Tree Clock bindings for arch-vt8500 | ||
| 2 | |||
| 3 | This binding uses the common clock binding[1]. | ||
| 4 | |||
| 5 | [1] Documentation/devicetree/bindings/clock/clock-bindings.txt | ||
| 6 | |||
| 7 | Required properties: | ||
| 8 | - compatible : shall be one of the following: | ||
| 9 | "via,vt8500-pll-clock" - for a VT8500/WM8505 PLL clock | ||
| 10 | "wm,wm8650-pll-clock" - for a WM8650 PLL clock | ||
| 11 | "via,vt8500-device-clock" - for a VT/WM device clock | ||
| 12 | |||
| 13 | Required properties for PLL clocks: | ||
| 14 | - reg : shall be the control register offset from PMC base for the pll clock. | ||
| 15 | - clocks : shall be the input parent clock phandle for the clock. This should | ||
| 16 | be the reference clock. | ||
| 17 | - #clock-cells : from common clock binding; shall be set to 0. | ||
| 18 | |||
| 19 | Required properties for device clocks: | ||
| 20 | - clocks : shall be the input parent clock phandle for the clock. This should | ||
| 21 | be a pll output. | ||
| 22 | - #clock-cells : from common clock binding; shall be set to 0. | ||
| 23 | |||
| 24 | |||
| 25 | Device Clocks | ||
| 26 | |||
| 27 | Device clocks are required to have one or both of the following sets of | ||
| 28 | properties: | ||
| 29 | |||
| 30 | |||
| 31 | Gated device clocks: | ||
| 32 | |||
| 33 | Required properties: | ||
| 34 | - enable-reg : shall be the register offset from PMC base for the enable | ||
| 35 | register. | ||
| 36 | - enable-bit : shall be the bit within enable-reg to enable/disable the clock. | ||
| 37 | |||
| 38 | |||
| 39 | Divisor device clocks: | ||
| 40 | |||
| 41 | Required property: | ||
| 42 | - divisor-reg : shall be the register offset from PMC base for the divisor | ||
| 43 | register. | ||
| 44 | Optional property: | ||
| 45 | - divisor-mask : shall be the mask for the divisor register. Defaults to 0x1f | ||
| 46 | if not specified. | ||
| 47 | |||
| 48 | |||
| 49 | For example: | ||
| 50 | |||
| 51 | ref25: ref25M { | ||
| 52 | #clock-cells = <0>; | ||
| 53 | compatible = "fixed-clock"; | ||
| 54 | clock-frequency = <25000000>; | ||
| 55 | }; | ||
| 56 | |||
| 57 | plla: plla { | ||
| 58 | #clock-cells = <0>; | ||
| 59 | compatible = "wm,wm8650-pll-clock"; | ||
| 60 | clocks = <&ref25>; | ||
| 61 | reg = <0x200>; | ||
| 62 | }; | ||
| 63 | |||
| 64 | sdhc: sdhc { | ||
| 65 | #clock-cells = <0>; | ||
| 66 | compatible = "via,vt8500-device-clock"; | ||
| 67 | clocks = <&pllb>; | ||
| 68 | divisor-reg = <0x328>; | ||
| 69 | divisor-mask = <0x3f>; | ||
| 70 | enable-reg = <0x254>; | ||
| 71 | enable-bit = <18>; | ||
| 72 | }; | ||
| @@ -0,0 +1,55 @@ | |||
| 1 | Generic CPU0 cpufreq driver | ||
| 2 | |||
| 3 | It is a generic cpufreq driver for CPU0 frequency management. It | ||
| 4 | supports both uniprocessor (UP) and symmetric multiprocessor (SMP) | ||
| 5 | systems which share clock and voltage across all CPUs. | ||
| 6 | |||
| 7 | Both required and optional properties listed below must be defined | ||
| 8 | under node /cpus/cpu@0. | ||
| 9 | |||
| 10 | Required properties: | ||
| 11 | - operating-points: Refer to Documentation/devicetree/bindings/power/opp.txt | ||
| 12 | for details | ||
| 13 | |||
| 14 | Optional properties: | ||
| 15 | - clock-latency: Specify the possible maximum transition latency for clock, | ||
| 16 | in unit of nanoseconds. | ||
| 17 | - voltage-tolerance: Specify the CPU voltage tolerance in percentage. | ||
| 18 | |||
| 19 | Examples: | ||
| 20 | |||
| 21 | cpus { | ||
| 22 | #address-cells = <1>; | ||
| 23 | #size-cells = <0>; | ||
| 24 | |||
| 25 | cpu@0 { | ||
| 26 | compatible = "arm,cortex-a9"; | ||
| 27 | reg = <0>; | ||
| 28 | next-level-cache = <&L2>; | ||
| 29 | operating-points = < | ||
| 30 | /* kHz uV */ | ||
| 31 | 792000 1100000 | ||
| 32 | 396000 950000 | ||
| 33 | 198000 850000 | ||
| 34 | >; | ||
| 35 | transition-latency = <61036>; /* two CLK32 periods */ | ||
| 36 | }; | ||
| 37 | |||
| 38 | cpu@1 { | ||
| 39 | compatible = "arm,cortex-a9"; | ||
| 40 | reg = <1>; | ||
| 41 | next-level-cache = <&L2>; | ||
| 42 | }; | ||
| 43 | |||
| 44 | cpu@2 { | ||
| 45 | compatible = "arm,cortex-a9"; | ||
| 46 | reg = <2>; | ||
| 47 | next-level-cache = <&L2>; | ||
| 48 | }; | ||
| 49 | |||
| 50 | cpu@3 { | ||
| 51 | compatible = "arm,cortex-a9"; | ||
| 52 | reg = <3>; | ||
| 53 | next-level-cache = <&L2>; | ||
| 54 | }; | ||
| 55 | }; | ||
| @@ -9,6 +9,7 @@ Copyright (C) 2008-2011 Freescale Semiconductor Inc. · 8 unmodified lines | |||
| 9 | -Run Time Integrity Check (RTIC) Node | 9 | -Run Time Integrity Check (RTIC) Node |
| 10 | -Run Time Integrity Check (RTIC) Memory Node | 10 | -Run Time Integrity Check (RTIC) Memory Node |
| 11 | -Secure Non-Volatile Storage (SNVS) Node | 11 | -Secure Non-Volatile Storage (SNVS) Node |
| 12 | -Secure Non-Volatile Storage (SNVS) Low Power (LP) RTC Node | ||
| 12 | -Full Example | 13 | -Full Example |
| 13 | 14 | ||
| 14 | NOTE: the SEC 4 is also known as Freescale's Cryptographic Accelerator | 15 | NOTE: the SEC 4 is also known as Freescale's Cryptographic Accelerator |
| @@ -294,6 +295,27 @@ Secure Non-Volatile Storage (SNVS) Node · 279 unmodified lines | |||
| 294 | address and length of the SEC4 configuration | 295 | address and length of the SEC4 configuration |
| 295 | registers. | 296 | registers. |
| 296 | 297 | ||
| 298 | - #address-cells | ||
| 299 | Usage: required | ||
| 300 | Value type: <u32> | ||
| 301 | Definition: A standard property. Defines the number of cells | ||
| 302 | for representing physical addresses in child nodes. Must | ||
| 303 | have a value of 1. | ||
| 304 | |||
| 305 | - #size-cells | ||
| 306 | Usage: required | ||
| 307 | Value type: <u32> | ||
| 308 | Definition: A standard property. Defines the number of cells | ||
| 309 | for representing the size of physical addresses in | ||
| 310 | child nodes. Must have a value of 1. | ||
| 311 | |||
| 312 | - ranges | ||
| 313 | Usage: required | ||
| 314 | Value type: <prop-encoded-array> | ||
| 315 | Definition: A standard property. Specifies the physical address | ||
| 316 | range of the SNVS register space. A triplet that includes | ||
| 317 | the child address, parent address, & length. | ||
| 318 | |||
| 297 | - interrupts | 319 | - interrupts |
| 298 | Usage: required | 320 | Usage: required |
| 299 | Value type: <prop_encoded-array> | 321 | Value type: <prop_encoded-array> |
| @@ -314,10 +336,33 @@ EXAMPLE · 14 unmodified lines | |||
| 314 | sec_mon@314000 { | 336 | sec_mon@314000 { |
| 315 | compatible = "fsl,sec-v4.0-mon"; | 337 | compatible = "fsl,sec-v4.0-mon"; |
| 316 | reg = <0x314000 0x1000>; | 338 | reg = <0x314000 0x1000>; |
| 339 | ranges = <0 0x314000 0x1000>; | ||
| 317 | interrupt-parent = <&mpic>; | 340 | interrupt-parent = <&mpic>; |
| 318 | interrupts = <93 2>; | 341 | interrupts = <93 2>; |
| 319 | }; | 342 | }; |
| 320 | 343 | ||
| 344 | ===================================================================== | ||
| 345 | Secure Non-Volatile Storage (SNVS) Low Power (LP) RTC Node | ||
| 346 | |||
| 347 | A SNVS child node that defines SNVS LP RTC. | ||
| 348 | |||
| 349 | - compatible | ||
| 350 | Usage: required | ||
| 351 | Value type: <string> | ||
| 352 | Definition: Must include "fsl,sec-v4.0-mon-rtc-lp". | ||
| 353 | |||
| 354 | - reg | ||
| 355 | Usage: required | ||
| 356 | Value type: <prop-encoded-array> | ||
| 357 | Definition: A standard property. Specifies the physical | ||
| 358 | address and length of the SNVS LP configuration registers. | ||
| 359 | |||
| 360 | EXAMPLE | ||
| 361 | sec_mon_rtc_lp@314000 { | ||
| 362 | compatible = "fsl,sec-v4.0-mon-rtc-lp"; | ||
| 363 | reg = <0x34 0x58>; | ||
| 364 | }; | ||
| 365 | |||
| 321 | ===================================================================== | 366 | ===================================================================== |
| 322 | FULL EXAMPLE | 367 | FULL EXAMPLE |
| 323 | 368 | ||
| @@ -390,8 +435,14 @@ FULL EXAMPLE · 66 unmodified lines | |||
| 390 | sec_mon: sec_mon@314000 { | 435 | sec_mon: sec_mon@314000 { |
| 391 | compatible = "fsl,sec-v4.0-mon"; | 436 | compatible = "fsl,sec-v4.0-mon"; |
| 392 | reg = <0x314000 0x1000>; | 437 | reg = <0x314000 0x1000>; |
| 438 | ranges = <0 0x314000 0x1000>; | ||
| 393 | interrupt-parent = <&mpic>; | 439 | interrupt-parent = <&mpic>; |
| 394 | interrupts = <93 2>; | 440 | interrupts = <93 2>; |
| 441 | |||
| 442 | sec_mon_rtc_lp@34 { | ||
| 443 | compatible = "fsl,sec-v4.0-mon-rtc-lp"; | ||
| 444 | reg = <0x34 0x58>; | ||
| 445 | }; | ||
| 395 | }; | 446 | }; |
| 396 | 447 | ||
| 397 | ===================================================================== | 448 | ===================================================================== |
| @@ -0,0 +1,20 @@ | |||
| 1 | Marvell Cryptographic Engines And Security Accelerator | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : should be "marvell,orion-crypto" | ||
| 5 | - reg : base physical address of the engine and length of memory mapped | ||
| 6 | region, followed by base physical address of sram and its memory | ||
| 7 | length | ||
| 8 | - reg-names : "regs" , "sram"; | ||
| 9 | - interrupts : interrupt number | ||
| 10 | |||
| 11 | Examples: | ||
| 12 | |||
| 13 | crypto@30000 { | ||
| 14 | compatible = "marvell,orion-crypto"; | ||
| 15 | reg = <0x30000 0x10000>, | ||
| 16 | <0x4000000 0x800>; | ||
| 17 | reg-names = "regs" , "sram"; | ||
| 18 | interrupts = <22>; | ||
| 19 | status = "okay"; | ||
| 20 | }; | ||
| @@ -9,6 +9,9 @@ Required properties: · 8 unmodified lines | |||
| 9 | region. | 9 | region. |
| 10 | - interrupts: interrupt number to the cpu. | 10 | - interrupts: interrupt number to the cpu. |
| 11 | 11 | ||
| 12 | Optional properties: | ||
| 13 | - dma-coherent : Present if dma operations are coherent | ||
| 14 | |||
| 12 | Example: | 15 | Example: |
| 13 | 16 | ||
| 14 | pdma0: pdma@12680000 { | 17 | pdma0: pdma@12680000 { |
| @@ -0,0 +1,74 @@ | |||
| 1 | * MARVELL MMP DMA controller | ||
| 2 | |||
| 3 | Marvell Peripheral DMA Controller | ||
| 4 | Used platfroms: pxa688, pxa910, pxa3xx, etc | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: Should be "marvell,pdma-1.0" | ||
| 8 | - reg: Should contain DMA registers location and length. | ||
| 9 | - interrupts: Either contain all of the per-channel DMA interrupts | ||
| 10 | or one irq for pdma device | ||
| 11 | - #dma-channels: Number of DMA channels supported by the controller. | ||
| 12 | |||
| 13 | "marvell,pdma-1.0" | ||
| 14 | Used platfroms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688. | ||
| 15 | |||
| 16 | Examples: | ||
| 17 | |||
| 18 | /* | ||
| 19 | * Each channel has specific irq | ||
| 20 | * ICU parse out irq channel from ICU register, | ||
| 21 | * while DMA controller may not able to distinguish the irq channel | ||
| 22 | * Using this method, interrupt-parent is required as demuxer | ||
| 23 | * For example, pxa688 icu register 0x128, bit 0~15 is PDMA channel irq, | ||
| 24 | * 18~21 is ADMA irq | ||
| 25 | */ | ||
| 26 | pdma: dma-controller@d4000000 { | ||
| 27 | compatible = "marvell,pdma-1.0"; | ||
| 28 | reg = <0xd4000000 0x10000>; | ||
| 29 | interrupts = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15>; | ||
| 30 | interrupt-parent = <&intcmux32>; | ||
| 31 | #dma-channels = <16>; | ||
| 32 | }; | ||
| 33 | |||
| 34 | /* | ||
| 35 | * One irq for all channels | ||
| 36 | * Dmaengine driver (DMA controller) distinguish irq channel via | ||
| 37 | * parsing internal register | ||
| 38 | */ | ||
| 39 | pdma: dma-controller@d4000000 { | ||
| 40 | compatible = "marvell,pdma-1.0"; | ||
| 41 | reg = <0xd4000000 0x10000>; | ||
| 42 | interrupts = <47>; | ||
| 43 | #dma-channels = <16>; | ||
| 44 | }; | ||
| 45 | |||
| 46 | |||
| 47 | Marvell Two Channel DMA Controller used specifically for audio | ||
| 48 | Used platfroms: pxa688, pxa910 | ||
| 49 | |||
| 50 | Required properties: | ||
| 51 | - compatible: Should be "marvell,adma-1.0" or "marvell,pxa910-squ" | ||
| 52 | - reg: Should contain DMA registers location and length. | ||
| 53 | - interrupts: Either contain all of the per-channel DMA interrupts | ||
| 54 | or one irq for dma device | ||
| 55 | |||
| 56 | "marvell,adma-1.0" used on pxa688 | ||
| 57 | "marvell,pxa910-squ" used on pxa910 | ||
| 58 | |||
| 59 | Examples: | ||
| 60 | |||
| 61 | /* each channel has specific irq */ | ||
| 62 | adma0: dma-controller@d42a0800 { | ||
| 63 | compatible = "marvell,adma-1.0"; | ||
| 64 | reg = <0xd42a0800 0x100>; | ||
| 65 | interrupts = <18 19>; | ||
| 66 | interrupt-parent = <&intcmux32>; | ||
| 67 | }; | ||
| 68 | |||
| 69 | /* One irq for all channels */ | ||
| 70 | squ: dma-controller@d42a0800 { | ||
| 71 | compatible = "marvell,pxa910-squ"; | ||
| 72 | reg = <0xd42a0800 0x100>; | ||
| 73 | interrupts = <46>; | ||
| 74 | }; | ||
| @@ -0,0 +1,22 @@ | |||
| 1 | * Generic 8-bits shift register GPIO driver | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : Should be "fairchild,74hc595" | ||
| 5 | - reg : chip select number | ||
| 6 | - gpio-controller : Marks the device node as a gpio controller. | ||
| 7 | - #gpio-cells : Should be two. The first cell is the pin number and | ||
| 8 | the second cell is used to specify the gpio polarity: | ||
| 9 | 0 = active high | ||
| 10 | 1 = active low | ||
| 11 | - registers-number: Number of daisy-chained shift registers | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | gpio5: gpio5@0 { | ||
| 16 | compatible = "fairchild,74hc595"; | ||
| 17 | reg = <0>; | ||
| 18 | gpio-controller; | ||
| 19 | #gpio-cells = <2>; | ||
| 20 | registers-number = <4>; | ||
| 21 | spi-max-frequency = <100000>; | ||
| 22 | }; | ||
| @@ -0,0 +1,34 @@ | |||
| 1 | Avionic Design N-bit GPIO expander bindings | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: should be "ad,gpio-adnp" | ||
| 5 | - reg: The I2C slave address for this device. | ||
| 6 | - interrupt-parent: phandle of the parent interrupt controller. | ||
| 7 | - interrupts: Interrupt specifier for the controllers interrupt. | ||
| 8 | - #gpio-cells: Should be 2. The first cell is the GPIO number and the | ||
| 9 | second cell is used to specify optional parameters: | ||
| 10 | - bit 0: polarity (0: normal, 1: inverted) | ||
| 11 | - gpio-controller: Marks the device as a GPIO controller | ||
| 12 | - nr-gpios: The number of pins supported by the controller. | ||
| 13 | |||
| 14 | The GPIO expander can optionally be used as an interrupt controller, in | ||
| 15 | which case it uses the default two cell specifier as described in | ||
| 16 | Documentation/devicetree/bindings/interrupt-controller/interrupts.txt. | ||
| 17 | |||
| 18 | Example: | ||
| 19 | |||
| 20 | gpioext: gpio-controller@41 { | ||
| 21 | compatible = "ad,gpio-adnp"; | ||
| 22 | reg = <0x41>; | ||
| 23 | |||
| 24 | interrupt-parent = <&gpio>; | ||
| 25 | interrupts = <160 1>; | ||
| 26 | |||
| 27 | gpio-controller; | ||
| 28 | #gpio-cells = <2>; | ||
| 29 | |||
| 30 | interrupt-controller; | ||
| 31 | #interrupt-cells = <2>; | ||
| 32 | |||
| 33 | nr-gpios = <64>; | ||
| 34 | }; | ||
| @@ -0,0 +1,25 @@ | |||
| 1 | Bindings for fan connected to GPIO lines | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "gpio-fan" | ||
| 5 | - gpios: Specifies the pins that map to bits in the control value, | ||
| 6 | ordered MSB-->LSB. | ||
| 7 | - gpio-fan,speed-map: A mapping of possible fan RPM speeds and the | ||
| 8 | control value that should be set to achieve them. This array | ||
| 9 | must have the RPM values in ascending order. | ||
| 10 | |||
| 11 | Optional properties: | ||
| 12 | - alarm-gpios: This pin going active indicates something is wrong with | ||
| 13 | the fan, and a udev event will be fired. | ||
| 14 | |||
| 15 | Examples: | ||
| 16 | |||
| 17 | gpio_fan { | ||
| 18 | compatible = "gpio-fan"; | ||
| 19 | gpios = <&gpio1 14 1 | ||
| 20 | &gpio1 13 1>; | ||
| 21 | gpio-fan,speed-map = <0 0 | ||
| 22 | 3000 1 | ||
| 23 | 6000 2>; | ||
| 24 | alarm-gpios = <&gpio1 15 1>; | ||
| 25 | }; | ||
| @@ -0,0 +1,53 @@ | |||
| 1 | * Marvell EBU GPIO controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | |||
| 5 | - compatible : Should be "marvell,orion-gpio", "marvell,mv78200-gpio" | ||
| 6 | or "marvell,armadaxp-gpio". "marvell,orion-gpio" should be used for | ||
| 7 | Orion, Kirkwood, Dove, Discovery (except MV78200) and Armada | ||
| 8 | 370. "marvell,mv78200-gpio" should be used for the Discovery | ||
| 9 | MV78200. "marvel,armadaxp-gpio" should be used for all Armada XP | ||
| 10 | SoCs (MV78230, MV78260, MV78460). | ||
| 11 | |||
| 12 | - reg: Address and length of the register set for the device. Only one | ||
| 13 | entry is expected, except for the "marvell,armadaxp-gpio" variant | ||
| 14 | for which two entries are expected: one for the general registers, | ||
| 15 | one for the per-cpu registers. | ||
| 16 | |||
| 17 | - interrupts: The list of interrupts that are used for all the pins | ||
| 18 | managed by this GPIO bank. There can be more than one interrupt | ||
| 19 | (example: 1 interrupt per 8 pins on Armada XP, which means 4 | ||
| 20 | interrupts per bank of 32 GPIOs). | ||
| 21 | |||
| 22 | - interrupt-controller: identifies the node as an interrupt controller | ||
| 23 | |||
| 24 | - #interrupt-cells: specifies the number of cells needed to encode an | ||
| 25 | interrupt source. Should be two. | ||
| 26 | The first cell is the GPIO number. | ||
| 27 | The second cell is used to specify flags: | ||
| 28 | bits[3:0] trigger type and level flags: | ||
| 29 | 1 = low-to-high edge triggered. | ||
| 30 | 2 = high-to-low edge triggered. | ||
| 31 | 4 = active high level-sensitive. | ||
| 32 | 8 = active low level-sensitive. | ||
| 33 | |||
| 34 | - gpio-controller: marks the device node as a gpio controller | ||
| 35 | |||
| 36 | - ngpios: number of GPIOs this controller has | ||
| 37 | |||
| 38 | - #gpio-cells: Should be two. The first cell is the pin number. The | ||
| 39 | second cell is reserved for flags, unused at the moment. | ||
| 40 | |||
| 41 | Example: | ||
| 42 | |||
| 43 | gpio0: gpio@d0018100 { | ||
| 44 | compatible = "marvell,armadaxp-gpio"; | ||
| 45 | reg = <0xd0018100 0x40>, | ||
| 46 | <0xd0018800 0x30>; | ||
| 47 | ngpios = <32>; | ||
| 48 | gpio-controller; | ||
| 49 | #gpio-cells = <2>; | ||
| 50 | interrupt-controller; | ||
| 51 | #interrupt-cells = <2>; | ||
| 52 | interrupts = <16>, <17>, <18>, <19>; | ||
| 53 | }; | ||
| @@ -39,3 +39,46 @@ Example: · 38 unmodified lines | |||
| 39 | #gpio-cells = <4>; | 39 | #gpio-cells = <4>; |
| 40 | gpio-controller; | 40 | gpio-controller; |
| 41 | }; | 41 | }; |
| 42 | |||
| 43 | |||
| 44 | Samsung S3C24XX GPIO Controller | ||
| 45 | |||
| 46 | Required properties: | ||
| 47 | - compatible: Compatible property value should be "samsung,s3c24xx-gpio". | ||
| 48 | |||
| 49 | - reg: Physical base address of the controller and length of memory mapped | ||
| 50 | region. | ||
| 51 | |||
| 52 | - #gpio-cells: Should be 3. The syntax of the gpio specifier used by client nodes | ||
| 53 | should be the following with values derived from the SoC user manual. | ||
| 54 | <[phandle of the gpio controller node] | ||
| 55 | [pin number within the gpio controller] | ||
| 56 | [mux function] | ||
| 57 | [flags and pull up/down] | ||
| 58 | |||
| 59 | Values for gpio specifier: | ||
| 60 | - Pin number: depending on the controller a number from 0 up to 15. | ||
| 61 | - Mux function: Depending on the SoC and the gpio bank the gpio can be set | ||
| 62 | as input, output or a special function | ||
| 63 | - Flags and Pull Up/Down: the values to use differ for the individual SoCs | ||
| 64 | example S3C2416/S3C2450: | ||
| 65 | 0 - Pull Up/Down Disabled. | ||
| 66 | 1 - Pull Down Enabled. | ||
| 67 | 2 - Pull Up Enabled. | ||
| 68 | Bit 16 (0x00010000) - Input is active low. | ||
| 69 | Consult the user manual for the correct values of Mux and Pull Up/Down. | ||
| 70 | |||
| 71 | - gpio-controller: Specifies that the node is a gpio controller. | ||
| 72 | - #address-cells: should be 1. | ||
| 73 | - #size-cells: should be 1. | ||
| 74 | |||
| 75 | Example: | ||
| 76 | |||
| 77 | gpa: gpio-controller@56000000 { | ||
| 78 | #address-cells = <1>; | ||
| 79 | #size-cells = <1>; | ||
| 80 | compatible = "samsung,s3c24xx-gpio"; | ||
| 81 | reg = <0x56000000 0x10>; | ||
| 82 | #gpio-cells = <3>; | ||
| 83 | gpio-controller; | ||
| 84 | }; | ||
| @@ -11,6 +11,11 @@ Required properties: · 10 unmodified lines | |||
| 11 | - interrupt-controller: Mark the device node as an interrupt controller | 11 | - interrupt-controller: Mark the device node as an interrupt controller |
| 12 | The first cell is the GPIO number. | 12 | The first cell is the GPIO number. |
| 13 | The second cell is not used. | 13 | The second cell is not used. |
| 14 | - ti,use-leds : Enables LEDA and LEDB outputs if set | ||
| 15 | - ti,debounce : if n-th bit is set, debounces GPIO-n | ||
| 16 | - ti,mmc-cd : if n-th bit is set, GPIO-n controls VMMC(n+1) | ||
| 17 | - ti,pullups : if n-th bit is set, set a pullup on GPIO-n | ||
| 18 | - ti,pulldowns : if n-th bit is set, set a pulldown on GPIO-n | ||
| 14 | 19 | ||
| 15 | Example: | 20 | Example: |
| 16 | 21 | ||
| @@ -20,4 +25,5 @@ twl_gpio: gpio { · 3 unmodified lines | |||
| 20 | gpio-controller; | 25 | gpio-controller; |
| 21 | #interrupt-cells = <2>; | 26 | #interrupt-cells = <2>; |
| 22 | interrupt-controller; | 27 | interrupt-controller; |
| 28 | ti,use-leds; | ||
| 23 | }; | 29 | }; |
| @@ -0,0 +1,24 @@ | |||
| 1 | VIA/Wondermedia VT8500 GPIO Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-gpio", "wm,wm8505-gpio" | ||
| 6 | or "wm,wm8650-gpio" depending on your SoC | ||
| 7 | - reg : Should contain 1 register range (address and length) | ||
| 8 | - #gpio-cells : should be <3>. | ||
| 9 | 1) bank | ||
| 10 | 2) pin number | ||
| 11 | 3) flags - should be 0 | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | gpio: gpio-controller@d8110000 { | ||
| 16 | compatible = "via,vt8500-gpio"; | ||
| 17 | gpio-controller; | ||
| 18 | reg = <0xd8110000 0x10000>; | ||
| 19 | #gpio-cells = <3>; | ||
| 20 | }; | ||
| 21 | |||
| 22 | vibrate { | ||
| 23 | gpios = <&gpio 0 1 0>; /* Bank 0, Pin 1, No flags */ | ||
| 24 | }; | ||
| @@ -8,7 +8,7 @@ node's name represents the name of the corresponding LED. · 7 unmodified lines | |||
| 8 | 8 | ||
| 9 | LED sub-node properties: | 9 | LED sub-node properties: |
| 10 | - gpios : Should specify the LED's GPIO, see "gpios property" in | 10 | - gpios : Should specify the LED's GPIO, see "gpios property" in |
| 11 | Documentation/devicetree/gpio.txt. Active low LEDs should be | 11 | Documentation/devicetree/bindings/gpio/gpio.txt. Active low LEDs should be |
| 12 | indicated using flags in the GPIO specifier. | 12 | indicated using flags in the GPIO specifier. |
| 13 | - label : (optional) The label for this LED. If omitted, the label is | 13 | - label : (optional) The label for this LED. If omitted, the label is |
| 14 | taken from the node name (excluding the unit address). | 14 | taken from the node name (excluding the unit address). |
| @@ -0,0 +1,30 @@ | |||
| 1 | I2C for Atmel platforms | ||
| 2 | |||
| 3 | Required properties : | ||
| 4 | - compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", | ||
| 5 | "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c" | ||
| 6 | or "atmel,at91sam9x5-i2c" | ||
| 7 | - reg: physical base address of the controller and length of memory mapped | ||
| 8 | region. | ||
| 9 | - interrupts: interrupt number to the cpu. | ||
| 10 | - #address-cells = <1>; | ||
| 11 | - #size-cells = <0>; | ||
| 12 | |||
| 13 | Optional properties: | ||
| 14 | - Child nodes conforming to i2c bus binding | ||
| 15 | |||
| 16 | Examples : | ||
| 17 | |||
| 18 | i2c0: i2c@fff84000 { | ||
| 19 | compatible = "atmel,at91sam9g20-i2c"; | ||
| 20 | reg = <0xfff84000 0x100>; | ||
| 21 | interrupts = <12 4 6>; | ||
| 22 | #address-cells = <1>; | ||
| 23 | #size-cells = <0>; | ||
| 24 | |||
| 25 | 24c512@50 { | ||
| 26 | compatible = "24c512"; | ||
| 27 | reg = <0x50>; | ||
| 28 | pagesize = <128>; | ||
| 29 | } | ||
| 30 | } | ||
| @@ -0,0 +1,28 @@ | |||
| 1 | * Texas Instruments Davinci I2C | ||
| 2 | |||
| 3 | This file provides information, what the device node for the | ||
| 4 | davinci i2c interface contain. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "ti,davinci-i2c"; | ||
| 8 | - reg : Offset and length of the register set for the device | ||
| 9 | |||
| 10 | Recommended properties : | ||
| 11 | - interrupts : standard interrupt property. | ||
| 12 | - clock-frequency : desired I2C bus clock frequency in Hz. | ||
| 13 | |||
| 14 | Example (enbw_cmc board): | ||
| 15 | i2c@1c22000 { | ||
| 16 | compatible = "ti,davinci-i2c"; | ||
| 17 | reg = <0x22000 0x1000>; | ||
| 18 | clock-frequency = <100000>; | ||
| 19 | interrupts = <15>; | ||
| 20 | interrupt-parent = <&intc>; | ||
| 21 | #address-cells = <1>; | ||
| 22 | #size-cells = <0>; | ||
| 23 | |||
| 24 | dtt@48 { | ||
| 25 | compatible = "national,lm75"; | ||
| 26 | reg = <0x48>; | ||
| 27 | }; | ||
| 28 | }; | ||
| @@ -6,6 +6,7 @@ Required properties: · 5 unmodified lines | |||
| 6 | - interrupts: Should contain ERROR and DMA interrupts | 6 | - interrupts: Should contain ERROR and DMA interrupts |
| 7 | - clock-frequency: Desired I2C bus clock frequency in Hz. | 7 | - clock-frequency: Desired I2C bus clock frequency in Hz. |
| 8 | Only 100000Hz and 400000Hz modes are supported. | 8 | Only 100000Hz and 400000Hz modes are supported. |
| 9 | - fsl,i2c-dma-channel: APBX DMA channel for the I2C | ||
| 9 | 10 | ||
| 10 | Examples: | 11 | Examples: |
| 11 | 12 | ||
| @@ -16,4 +17,5 @@ i2c0: i2c@80058000 { · 4 unmodified lines | |||
| 16 | reg = <0x80058000 2000>; | 17 | reg = <0x80058000 2000>; |
| 17 | interrupts = <111 68>; | 18 | interrupts = <111 68>; |
| 18 | clock-frequency = <100000>; | 19 | clock-frequency = <100000>; |
| 20 | fsl,i2c-dma-channel = <6>; | ||
| 19 | }; | 21 | }; |
| @@ -0,0 +1,23 @@ | |||
| 1 | I2C for Nomadik based systems | ||
| 2 | |||
| 3 | Required (non-standard) properties: | ||
| 4 | - Nil | ||
| 5 | |||
| 6 | Recommended (non-standard) properties: | ||
| 7 | - clock-frequency : Maximum bus clock frequency for the device | ||
| 8 | |||
| 9 | Optional (non-standard) properties: | ||
| 10 | - Nil | ||
| 11 | |||
| 12 | Example : | ||
| 13 | |||
| 14 | i2c@80004000 { | ||
| 15 | compatible = "stericsson,db8500-i2c", "st,nomadik-i2c"; | ||
| 16 | reg = <0x80004000 0x1000>; | ||
| 17 | interrupts = <0 21 0x4>; | ||
| 18 | #address-cells = <1>; | ||
| 19 | #size-cells = <0>; | ||
| 20 | v-i2c-supply = <&db8500_vape_reg>; | ||
| 21 | |||
| 22 | clock-frequency = <400000>; | ||
| 23 | }; | ||
| @@ -56,3 +56,4 @@ stm,m41t00 Serial Access TIMEKEEPER · 55 unmodified lines | |||
| 56 | stm,m41t62 Serial real-time clock (RTC) with alarm | 56 | stm,m41t62 Serial real-time clock (RTC) with alarm |
| 57 | stm,m41t80 M41T80 - SERIAL ACCESS RTC WITH ALARMS | 57 | stm,m41t80 M41T80 - SERIAL ACCESS RTC WITH ALARMS |
| 58 | ti,tsc2003 I2C Touch-Screen Controller | 58 | ti,tsc2003 I2C Touch-Screen Controller |
| 59 | ti,tmp102 Low Power Digital Temperature Sensor with SMBUS/Two Wire Serial Interface | ||
| @@ -0,0 +1,38 @@ | |||
| 1 | Device-Tree bindings for input/gpio_keys_polled.c keyboard driver | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible = "gpio-keys-polled"; | ||
| 5 | - poll-interval: Poll interval time in milliseconds | ||
| 6 | |||
| 7 | Optional properties: | ||
| 8 | - autorepeat: Boolean, Enable auto repeat feature of Linux input | ||
| 9 | subsystem. | ||
| 10 | |||
| 11 | Each button (key) is represented as a sub-node of "gpio-keys-polled": | ||
| 12 | Subnode properties: | ||
| 13 | |||
| 14 | - gpios: OF device-tree gpio specification. | ||
| 15 | - label: Descriptive name of the key. | ||
| 16 | - linux,code: Keycode to emit. | ||
| 17 | |||
| 18 | Optional subnode-properties: | ||
| 19 | - linux,input-type: Specify event type this button/key generates. | ||
| 20 | If not specified defaults to <1> == EV_KEY. | ||
| 21 | - debounce-interval: Debouncing interval time in milliseconds. | ||
| 22 | If not specified defaults to 5. | ||
| 23 | - gpio-key,wakeup: Boolean, button can wake-up the system. | ||
| 24 | |||
| 25 | Example nodes: | ||
| 26 | |||
| 27 | gpio_keys_polled { | ||
| 28 | compatible = "gpio-keys-polled"; | ||
| 29 | #address-cells = <1>; | ||
| 30 | #size-cells = <0>; | ||
| 31 | poll-interval = <100>; | ||
| 32 | autorepeat; | ||
| 33 | button@21 { | ||
| 34 | label = "GPIO Key UP"; | ||
| 35 | linux,code = <103>; | ||
| 36 | gpios = <&gpio1 0 1>; | ||
| 37 | }; | ||
| 38 | ... | ||
| @@ -0,0 +1,36 @@ | |||
| 1 | Rotary encoder DT bindings | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - gpios: a spec for two GPIOs to be used | ||
| 5 | |||
| 6 | Optional properties: | ||
| 7 | - linux,axis: the input subsystem axis to map to this rotary encoder. | ||
| 8 | Defaults to 0 (ABS_X / REL_X) | ||
| 9 | - rotary-encoder,steps: Number of steps in a full turnaround of the | ||
| 10 | encoder. Only relevant for absolute axis. Defaults to 24 which is a | ||
| 11 | typical value for such devices. | ||
| 12 | - rotary-encoder,relative-axis: register a relative axis rather than an | ||
| 13 | absolute one. Relative axis will only generate +1/-1 events on the input | ||
| 14 | device, hence no steps need to be passed. | ||
| 15 | - rotary-encoder,rollover: Automatic rollove when the rotary value becomes | ||
| 16 | greater than the specified steps or smaller than 0. For absolute axis only. | ||
| 17 | - rotary-encoder,half-period: Makes the driver work on half-period mode. | ||
| 18 | |||
| 19 | See Documentation/input/rotary-encoder.txt for more information. | ||
| 20 | |||
| 21 | Example: | ||
| 22 | |||
| 23 | rotary@0 { | ||
| 24 | compatible = "rotary-encoder"; | ||
| 25 | gpios = <&gpio 19 1>, <&gpio 20 0>; /* GPIO19 is inverted */ | ||
| 26 | linux,axis = <0>; /* REL_X */ | ||
| 27 | rotary-encoder,relative-axis; | ||
| 28 | }; | ||
| 29 | |||
| 30 | rotary@1 { | ||
| 31 | compatible = "rotary-encoder"; | ||
| 32 | gpios = <&gpio 21 0>, <&gpio 22 0>; | ||
| 33 | linux,axis = <1>; /* ABS_Y */ | ||
| 34 | rotary-encoder,steps = <24>; | ||
| 35 | rotary-encoder,rollover; | ||
| 36 | }; | ||
| @@ -0,0 +1,19 @@ | |||
| 1 | * EETI eGalax Multiple Touch Controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: must be "eeti,egalax_ts" | ||
| 5 | - reg: i2c slave address | ||
| 6 | - interrupt-parent: the phandle for the interrupt controller | ||
| 7 | - interrupts: touch controller interrupt | ||
| 8 | - wakeup-gpios: the gpio pin to be used for waking up the controller | ||
| 9 | as well as uased as irq pin | ||
| 10 | |||
| 11 | Example: | ||
| 12 | |||
| 13 | egalax_ts@04 { | ||
| 14 | compatible = "eeti,egalax_ts"; | ||
| 15 | reg = <0x04>; | ||
| 16 | interrupt-parent = <&gpio1>; | ||
| 17 | interrupts = <9 2>; | ||
| 18 | wakeup-gpios = <&gpio1 9 0>; | ||
| 19 | }; | ||
| @@ -0,0 +1,110 @@ | |||
| 1 | BCM2835 Top-Level ("ARMCTRL") Interrupt Controller | ||
| 2 | |||
| 3 | The BCM2835 contains a custom top-level interrupt controller, which supports | ||
| 4 | 72 interrupt sources using a 2-level register scheme. The interrupt | ||
| 5 | controller, or the HW block containing it, is referred to occasionally | ||
| 6 | as "armctrl" in the SoC documentation, hence naming of this binding. | ||
| 7 | |||
| 8 | Required properties: | ||
| 9 | |||
| 10 | - compatible : should be "brcm,bcm2835-armctrl-ic" | ||
| 11 | - reg : Specifies base physical address and size of the registers. | ||
| 12 | - interrupt-controller : Identifies the node as an interrupt controller | ||
| 13 | - #interrupt-cells : Specifies the number of cells needed to encode an | ||
| 14 | interrupt source. The value shall be 2. | ||
| 15 | |||
| 16 | The 1st cell is the interrupt bank; 0 for interrupts in the "IRQ basic | ||
| 17 | pending" register, or 1/2 respectively for interrupts in the "IRQ pending | ||
| 18 | 1/2" register. | ||
| 19 | |||
| 20 | The 2nd cell contains the interrupt number within the bank. Valid values | ||
| 21 | are 0..7 for bank 0, and 0..31 for bank 1. | ||
| 22 | |||
| 23 | The interrupt sources are as follows: | ||
| 24 | |||
| 25 | Bank 0: | ||
| 26 | 0: ARM_TIMER | ||
| 27 | 1: ARM_MAILBOX | ||
| 28 | 2: ARM_DOORBELL_0 | ||
| 29 | 3: ARM_DOORBELL_1 | ||
| 30 | 4: VPU0_HALTED | ||
| 31 | 5: VPU1_HALTED | ||
| 32 | 6: ILLEGAL_TYPE0 | ||
| 33 | 7: ILLEGAL_TYPE1 | ||
| 34 | |||
| 35 | Bank 1: | ||
| 36 | 0: TIMER0 | ||
| 37 | 1: TIMER1 | ||
| 38 | 2: TIMER2 | ||
| 39 | 3: TIMER3 | ||
| 40 | 4: CODEC0 | ||
| 41 | 5: CODEC1 | ||
| 42 | 6: CODEC2 | ||
| 43 | 7: VC_JPEG | ||
| 44 | 8: ISP | ||
| 45 | 9: VC_USB | ||
| 46 | 10: VC_3D | ||
| 47 | 11: TRANSPOSER | ||
| 48 | 12: MULTICORESYNC0 | ||
| 49 | 13: MULTICORESYNC1 | ||
| 50 | 14: MULTICORESYNC2 | ||
| 51 | 15: MULTICORESYNC3 | ||
| 52 | 16: DMA0 | ||
| 53 | 17: DMA1 | ||
| 54 | 18: VC_DMA2 | ||
| 55 | 19: VC_DMA3 | ||
| 56 | 20: DMA4 | ||
| 57 | 21: DMA5 | ||
| 58 | 22: DMA6 | ||
| 59 | 23: DMA7 | ||
| 60 | 24: DMA8 | ||
| 61 | 25: DMA9 | ||
| 62 | 26: DMA10 | ||
| 63 | 27: DMA11 | ||
| 64 | 28: DMA12 | ||
| 65 | 29: AUX | ||
| 66 | 30: ARM | ||
| 67 | 31: VPUDMA | ||
| 68 | |||
| 69 | Bank 2: | ||
| 70 | 0: HOSTPORT | ||
| 71 | 1: VIDEOSCALER | ||
| 72 | 2: CCP2TX | ||
| 73 | 3: SDC | ||
| 74 | 4: DSI0 | ||
| 75 | 5: AVE | ||
| 76 | 6: CAM0 | ||
| 77 | 7: CAM1 | ||
| 78 | 8: HDMI0 | ||
| 79 | 9: HDMI1 | ||
| 80 | 10: PIXELVALVE1 | ||
| 81 | 11: I2CSPISLV | ||
| 82 | 12: DSI1 | ||
| 83 | 13: PWA0 | ||
| 84 | 14: PWA1 | ||
| 85 | 15: CPR | ||
| 86 | 16: SMI | ||
| 87 | 17: GPIO0 | ||
| 88 | 18: GPIO1 | ||
| 89 | 19: GPIO2 | ||
| 90 | 20: GPIO3 | ||
| 91 | 21: VC_I2C | ||
| 92 | 22: VC_SPI | ||
| 93 | 23: VC_I2SPCM | ||
| 94 | 24: VC_SDIO | ||
| 95 | 25: VC_UART | ||
| 96 | 26: SLIMBUS | ||
| 97 | 27: VEC | ||
| 98 | 28: CPG | ||
| 99 | 29: RNG | ||
| 100 | 30: VC_ARASANSDIO | ||
| 101 | 31: AVSPMON | ||
| 102 | |||
| 103 | Example: | ||
| 104 | |||
| 105 | intc: interrupt-controller { | ||
| 106 | compatible = "brcm,bcm2835-armctrl-ic"; | ||
| 107 | reg = <0x7e00b200 0x200>; | ||
| 108 | interrupt-controller; | ||
| 109 | #interrupt-cells = <2>; | ||
| 110 | }; | ||
| @@ -0,0 +1,95 @@ | |||
| 1 | Specifying interrupt information for devices | ||
| 2 | ============================================ | ||
| 3 | |||
| 4 | 1) Interrupt client nodes | ||
| 5 | ------------------------- | ||
| 6 | |||
| 7 | Nodes that describe devices which generate interrupts must contain an | ||
| 8 | "interrupts" property. This property must contain a list of interrupt | ||
| 9 | specifiers, one per output interrupt. The format of the interrupt specifier is | ||
| 10 | determined by the interrupt controller to which the interrupts are routed; see | ||
| 11 | section 2 below for details. | ||
| 12 | |||
| 13 | The "interrupt-parent" property is used to specify the controller to which | ||
| 14 | interrupts are routed and contains a single phandle referring to the interrupt | ||
| 15 | controller node. This property is inherited, so it may be specified in an | ||
| 16 | interrupt client node or in any of its parent nodes. | ||
| 17 | |||
| 18 | 2) Interrupt controller nodes | ||
| 19 | ----------------------------- | ||
| 20 | |||
| 21 | A device is marked as an interrupt controller with the "interrupt-controller" | ||
| 22 | property. This is a empty, boolean property. An additional "#interrupt-cells" | ||
| 23 | property defines the number of cells needed to specify a single interrupt. | ||
| 24 | |||
| 25 | It is the responsibility of the interrupt controller's binding to define the | ||
| 26 | length and format of the interrupt specifier. The following two variants are | ||
| 27 | commonly used: | ||
| 28 | |||
| 29 | a) one cell | ||
| 30 | ----------- | ||
| 31 | The #interrupt-cells property is set to 1 and the single cell defines the | ||
| 32 | index of the interrupt within the controller. | ||
| 33 | |||
| 34 | Example: | ||
| 35 | |||
| 36 | vic: intc@10140000 { | ||
| 37 | compatible = "arm,versatile-vic"; | ||
| 38 | interrupt-controller; | ||
| 39 | #interrupt-cells = <1>; | ||
| 40 | reg = <0x10140000 0x1000>; | ||
| 41 | }; | ||
| 42 | |||
| 43 | sic: intc@10003000 { | ||
| 44 | compatible = "arm,versatile-sic"; | ||
| 45 | interrupt-controller; | ||
| 46 | #interrupt-cells = <1>; | ||
| 47 | reg = <0x10003000 0x1000>; | ||
| 48 | interrupt-parent = <&vic>; | ||
| 49 | interrupts = <31>; /* Cascaded to vic */ | ||
| 50 | }; | ||
| 51 | |||
| 52 | b) two cells | ||
| 53 | ------------ | ||
| 54 | The #interrupt-cells property is set to 2 and the first cell defines the | ||
| 55 | index of the interrupt within the controller, while the second cell is used | ||
| 56 | to specify any of the following flags: | ||
| 57 | - bits[3:0] trigger type and level flags | ||
| 58 | 1 = low-to-high edge triggered | ||
| 59 | 2 = high-to-low edge triggered | ||
| 60 | 4 = active high level-sensitive | ||
| 61 | 8 = active low level-sensitive | ||
| 62 | |||
| 63 | Example: | ||
| 64 | |||
| 65 | i2c@7000c000 { | ||
| 66 | gpioext: gpio-adnp@41 { | ||
| 67 | compatible = "ad,gpio-adnp"; | ||
| 68 | reg = <0x41>; | ||
| 69 | |||
| 70 | interrupt-parent = <&gpio>; | ||
| 71 | interrupts = <160 1>; | ||
| 72 | |||
| 73 | gpio-controller; | ||
| 74 | #gpio-cells = <1>; | ||
| 75 | |||
| 76 | interrupt-controller; | ||
| 77 | #interrupt-cells = <2>; | ||
| 78 | |||
| 79 | nr-gpios = <64>; | ||
| 80 | }; | ||
| 81 | |||
| 82 | sx8634@2b { | ||
| 83 | compatible = "smtc,sx8634"; | ||
| 84 | reg = <0x2b>; | ||
| 85 | |||
| 86 | interrupt-parent = <&gpioext>; | ||
| 87 | interrupts = <3 0x8>; | ||
| 88 | |||
| 89 | #address-cells = <1>; | ||
| 90 | #size-cells = <0>; | ||
| 91 | |||
| 92 | threshold = <0x40>; | ||
| 93 | sensitivity = <7>; | ||
| 94 | }; | ||
| 95 | }; | ||
| @@ -0,0 +1,52 @@ | |||
| 1 | * AC timing parameters of LPDDR2(JESD209-2) memories for a given speed-bin | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : Should be "jedec,lpddr2-timings" | ||
| 5 | - min-freq : minimum DDR clock frequency for the speed-bin. Type is <u32> | ||
| 6 | - max-freq : maximum DDR clock frequency for the speed-bin. Type is <u32> | ||
| 7 | |||
| 8 | Optional properties: | ||
| 9 | |||
| 10 | The following properties represent AC timing parameters from the memory | ||
| 11 | data-sheet of the device for a given speed-bin. All these properties are | ||
| 12 | of type <u32> and the default unit is ps (pico seconds). Parameters with | ||
| 13 | a different unit have a suffix indicating the unit such as 'tRAS-max-ns' | ||
| 14 | - tRCD | ||
| 15 | - tWR | ||
| 16 | - tRAS-min | ||
| 17 | - tRRD | ||
| 18 | - tWTR | ||
| 19 | - tXP | ||
| 20 | - tRTP | ||
| 21 | - tDQSCK-max | ||
| 22 | - tFAW | ||
| 23 | - tZQCS | ||
| 24 | - tZQinit | ||
| 25 | - tRPab | ||
| 26 | - tZQCL | ||
| 27 | - tCKESR | ||
| 28 | - tRAS-max-ns | ||
| 29 | - tDQSCK-max-derated | ||
| 30 | |||
| 31 | Example: | ||
| 32 | |||
| 33 | timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 { | ||
| 34 | compatible = "jedec,lpddr2-timings"; | ||
| 35 | min-freq = <10000000>; | ||
| 36 | max-freq = <400000000>; | ||
| 37 | tRPab = <21000>; | ||
| 38 | tRCD = <18000>; | ||
| 39 | tWR = <15000>; | ||
| 40 | tRAS-min = <42000>; | ||
| 41 | tRRD = <10000>; | ||
| 42 | tWTR = <7500>; | ||
| 43 | tXP = <7500>; | ||
| 44 | tRTP = <7500>; | ||
| 45 | tCKESR = <15000>; | ||
| 46 | tDQSCK-max = <5500>; | ||
| 47 | tFAW = <50000>; | ||
| 48 | tZQCS = <90000>; | ||
| 49 | tZQCL = <360000>; | ||
| 50 | tZQinit = <1000000>; | ||
| 51 | tRAS-max-ns = <70000>; | ||
| 52 | }; | ||
| @@ -0,0 +1,102 @@ | |||
| 1 | * LPDDR2 SDRAM memories compliant to JEDEC JESD209-2 | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : Should be one of - "jedec,lpddr2-nvm", "jedec,lpddr2-s2", | ||
| 5 | "jedec,lpddr2-s4" | ||
| 6 | |||
| 7 | "ti,jedec-lpddr2-s2" should be listed if the memory part is LPDDR2-S2 type | ||
| 8 | |||
| 9 | "ti,jedec-lpddr2-s4" should be listed if the memory part is LPDDR2-S4 type | ||
| 10 | |||
| 11 | "ti,jedec-lpddr2-nvm" should be listed if the memory part is LPDDR2-NVM type | ||
| 12 | |||
| 13 | - density : <u32> representing density in Mb (Mega bits) | ||
| 14 | |||
| 15 | - io-width : <u32> representing bus width. Possible values are 8, 16, and 32 | ||
| 16 | |||
| 17 | Optional properties: | ||
| 18 | |||
| 19 | The following optional properties represent the minimum value of some AC | ||
| 20 | timing parameters of the DDR device in terms of number of clock cycles. | ||
| 21 | These values shall be obtained from the device data-sheet. | ||
| 22 | - tRRD-min-tck | ||
| 23 | - tWTR-min-tck | ||
| 24 | - tXP-min-tck | ||
| 25 | - tRTP-min-tck | ||
| 26 | - tCKE-min-tck | ||
| 27 | - tRPab-min-tck | ||
| 28 | - tRCD-min-tck | ||
| 29 | - tWR-min-tck | ||
| 30 | - tRASmin-min-tck | ||
| 31 | - tCKESR-min-tck | ||
| 32 | - tFAW-min-tck | ||
| 33 | |||
| 34 | Child nodes: | ||
| 35 | - The lpddr2 node may have one or more child nodes of type "lpddr2-timings". | ||
| 36 | "lpddr2-timings" provides AC timing parameters of the device for | ||
| 37 | a given speed-bin. The user may provide the timings for as many | ||
| 38 | speed-bins as is required. Please see Documentation/devicetree/ | ||
| 39 | bindings/lpddr2/lpddr2-timings.txt for more information on "lpddr2-timings" | ||
| 40 | |||
| 41 | Example: | ||
| 42 | |||
| 43 | elpida_ECB240ABACN : lpddr2 { | ||
| 44 | compatible = "Elpida,ECB240ABACN","jedec,lpddr2-s4"; | ||
| 45 | density = <2048>; | ||
| 46 | io-width = <32>; | ||
| 47 | |||
| 48 | tRPab-min-tck = <3>; | ||
| 49 | tRCD-min-tck = <3>; | ||
| 50 | tWR-min-tck = <3>; | ||
| 51 | tRASmin-min-tck = <3>; | ||
| 52 | tRRD-min-tck = <2>; | ||
| 53 | tWTR-min-tck = <2>; | ||
| 54 | tXP-min-tck = <2>; | ||
| 55 | tRTP-min-tck = <2>; | ||
| 56 | tCKE-min-tck = <3>; | ||
| 57 | tCKESR-min-tck = <3>; | ||
| 58 | tFAW-min-tck = <8>; | ||
| 59 | |||
| 60 | timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 { | ||
| 61 | compatible = "jedec,lpddr2-timings"; | ||
| 62 | min-freq = <10000000>; | ||
| 63 | max-freq = <400000000>; | ||
| 64 | tRPab = <21000>; | ||
| 65 | tRCD = <18000>; | ||
| 66 | tWR = <15000>; | ||
| 67 | tRAS-min = <42000>; | ||
| 68 | tRRD = <10000>; | ||
| 69 | tWTR = <7500>; | ||
| 70 | tXP = <7500>; | ||
| 71 | tRTP = <7500>; | ||
| 72 | tCKESR = <15000>; | ||
| 73 | tDQSCK-max = <5500>; | ||
| 74 | tFAW = <50000>; | ||
| 75 | tZQCS = <90000>; | ||
| 76 | tZQCL = <360000>; | ||
| 77 | tZQinit = <1000000>; | ||
| 78 | tRAS-max-ns = <70000>; | ||
| 79 | }; | ||
| 80 | |||
| 81 | timings_elpida_ECB240ABACN_200mhz: lpddr2-timings@1 { | ||
| 82 | compatible = "jedec,lpddr2-timings"; | ||
| 83 | min-freq = <10000000>; | ||
| 84 | max-freq = <200000000>; | ||
| 85 | tRPab = <21000>; | ||
| 86 | tRCD = <18000>; | ||
| 87 | tWR = <15000>; | ||
| 88 | tRAS-min = <42000>; | ||
| 89 | tRRD = <10000>; | ||
| 90 | tWTR = <10000>; | ||
| 91 | tXP = <7500>; | ||
| 92 | tRTP = <7500>; | ||
| 93 | tCKESR = <15000>; | ||
| 94 | tDQSCK-max = <5500>; | ||
| 95 | tFAW = <50000>; | ||
| 96 | tZQCS = <90000>; | ||
| 97 | tZQCL = <360000>; | ||
| 98 | tZQinit = <1000000>; | ||
| 99 | tRAS-max-ns = <70000>; | ||
| 100 | }; | ||
| 101 | |||
| 102 | } | ||
| @@ -0,0 +1,30 @@ | |||
| 1 | * Samsung Exynos5 G-Scaler device | ||
| 2 | |||
| 3 | G-Scaler is used for scaling and color space conversion on EXYNOS5 SoCs. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible: should be "samsung,exynos5-gsc" | ||
| 7 | - reg: should contain G-Scaler physical address location and length. | ||
| 8 | - interrupts: should contain G-Scaler interrupt number | ||
| 9 | |||
| 10 | Example: | ||
| 11 | |||
| 12 | gsc_0: gsc@0x13e00000 { | ||
| 13 | compatible = "samsung,exynos5-gsc"; | ||
| 14 | reg = <0x13e00000 0x1000>; | ||
| 15 | interrupts = <0 85 0>; | ||
| 16 | }; | ||
| 17 | |||
| 18 | Aliases: | ||
| 19 | Each G-Scaler node should have a numbered alias in the aliases node, | ||
| 20 | in the form of gscN, N = 0...3. G-Scaler driver uses these aliases | ||
| 21 | to retrieve the device IDs using "of_alias_get_id()" call. | ||
| 22 | |||
| 23 | Example: | ||
| 24 | |||
| 25 | aliases { | ||
| 26 | gsc0 =&gsc_0; | ||
| 27 | gsc1 =&gsc_1; | ||
| 28 | gsc2 =&gsc_2; | ||
| 29 | gsc3 =&gsc_3; | ||
| 30 | }; | ||
| @@ -0,0 +1,55 @@ | |||
| 1 | * EMIF family of TI SDRAM controllers | ||
| 2 | |||
| 3 | EMIF - External Memory Interface - is an SDRAM controller used in | ||
| 4 | TI SoCs. EMIF supports, based on the IP revision, one or more of | ||
| 5 | DDR2/DDR3/LPDDR2 protocols. This binding describes a given instance | ||
| 6 | of the EMIF IP and memory parts attached to it. | ||
| 7 | |||
| 8 | Required properties: | ||
| 9 | - compatible : Should be of the form "ti,emif-<ip-rev>" where <ip-rev> | ||
| 10 | is the IP revision of the specific EMIF instance. | ||
| 11 | |||
| 12 | - phy-type : <u32> indicating the DDR phy type. Following are the | ||
| 13 | allowed values | ||
| 14 | <1> : Attila PHY | ||
| 15 | <2> : Intelli PHY | ||
| 16 | |||
| 17 | - device-handle : phandle to a "lpddr2" node representing the memory part | ||
| 18 | |||
| 19 | - ti,hwmods : For TI hwmods processing and omap device creation | ||
| 20 | the value shall be "emif<n>" where <n> is the number of the EMIF | ||
| 21 | instance with base 1. | ||
| 22 | |||
| 23 | Optional properties: | ||
| 24 | - cs1-used : Have this property if CS1 of this EMIF | ||
| 25 | instance has a memory part attached to it. If there is a memory | ||
| 26 | part attached to CS1, it should be the same type as the one on CS0, | ||
| 27 | so there is no need to give the details of this memory part. | ||
| 28 | |||
| 29 | - cal-resistor-per-cs : Have this property if the board has one | ||
| 30 | calibration resistor per chip-select. | ||
| 31 | |||
| 32 | - hw-caps-read-idle-ctrl: Have this property if the controller | ||
| 33 | supports read idle window programming | ||
| 34 | |||
| 35 | - hw-caps-dll-calib-ctrl: Have this property if the controller | ||
| 36 | supports dll calibration control | ||
| 37 | |||
| 38 | - hw-caps-ll-interface : Have this property if the controller | ||
| 39 | has a low latency interface and corresponding interrupt events | ||
| 40 | |||
| 41 | - hw-caps-temp-alert : Have this property if the controller | ||
| 42 | has capability for generating SDRAM temperature alerts | ||
| 43 | |||
| 44 | Example: | ||
| 45 | |||
| 46 | emif1: emif@0x4c000000 { | ||
| 47 | compatible = "ti,emif-4d"; | ||
| 48 | ti,hwmods = "emif2"; | ||
| 49 | phy-type = <1>; | ||
| 50 | device-handle = <&elpida_ECB240ABACN>; | ||
| 51 | cs1-used; | ||
| 52 | hw-caps-read-idle-ctrl; | ||
| 53 | hw-caps-ll-interface; | ||
| 54 | hw-caps-temp-alert; | ||
| 55 | }; | ||
| @@ -0,0 +1,85 @@ | |||
| 1 | * Marvell 88PM860x Power Management IC | ||
| 2 | |||
| 3 | Required parent device properties: | ||
| 4 | - compatible : "marvell,88pm860x" | ||
| 5 | - reg : the I2C slave address for the 88pm860x chip | ||
| 6 | - interrupts : IRQ line for the 88pm860x chip | ||
| 7 | - interrupt-controller: describes the 88pm860x as an interrupt controller (has its own domain) | ||
| 8 | - #interrupt-cells : should be 1. | ||
| 9 | - The cell is the 88pm860x local IRQ number | ||
| 10 | |||
| 11 | Optional parent device properties: | ||
| 12 | - marvell,88pm860x-irq-read-clr: inicates whether interrupt status is cleared by read | ||
| 13 | - marvell,88pm860x-slave-addr: 88pm860x are two chips solution. <reg> stores the I2C address | ||
| 14 | of one chip, and this property stores the I2C address of | ||
| 15 | another chip. | ||
| 16 | |||
| 17 | 88pm860x consists of a large and varied group of sub-devices: | ||
| 18 | |||
| 19 | Device Supply Names Description | ||
| 20 | ------ ------------ ----------- | ||
| 21 | 88pm860x-onkey : : On key | ||
| 22 | 88pm860x-rtc : : RTC | ||
| 23 | 88pm8607 : : Regulators | ||
| 24 | 88pm860x-backlight : : Backlight | ||
| 25 | 88pm860x-led : : Led | ||
| 26 | 88pm860x-touch : : Touchscreen | ||
| 27 | |||
| 28 | Example: | ||
| 29 | |||
| 30 | pmic: 88pm860x@34 { | ||
| 31 | compatible = "marvell,88pm860x"; | ||
| 32 | reg = <0x34>; | ||
| 33 | interrupts = <4>; | ||
| 34 | interrupt-parent = <&intc>; | ||
| 35 | interrupt-controller; | ||
| 36 | #interrupt-cells = <1>; | ||
| 37 | |||
| 38 | marvell,88pm860x-irq-read-clr; | ||
| 39 | marvell,88pm860x-slave-addr = <0x11>; | ||
| 40 | |||
| 41 | regulators { | ||
| 42 | BUCK1 { | ||
| 43 | regulator-min-microvolt = <1000000>; | ||
| 44 | regulator-max-microvolt = <1500000>; | ||
| 45 | regulator-boot-on; | ||
| 46 | regulator-always-on; | ||
| 47 | }; | ||
| 48 | LDO1 { | ||
| 49 | regulator-min-microvolt = <1200000>; | ||
| 50 | regulator-max-microvolt = <2800000>; | ||
| 51 | regulator-boot-on; | ||
| 52 | regulator-always-on; | ||
| 53 | }; | ||
| 54 | }; | ||
| 55 | rtc { | ||
| 56 | marvell,88pm860x-vrtc = <1>; | ||
| 57 | }; | ||
| 58 | touch { | ||
| 59 | marvell,88pm860x-gpadc-prebias = <1>; | ||
| 60 | marvell,88pm860x-gpadc-slot-cycle = <1>; | ||
| 61 | marvell,88pm860x-tsi-prebias = <6>; | ||
| 62 | marvell,88pm860x-pen-prebias = <16>; | ||
| 63 | marvell,88pm860x-pen-prechg = <2>; | ||
| 64 | marvell,88pm860x-resistor-X = <300>; | ||
| 65 | }; | ||
| 66 | backlights { | ||
| 67 | backlight-0 { | ||
| 68 | marvell,88pm860x-iset = <4>; | ||
| 69 | marvell,88pm860x-pwm = <3>; | ||
| 70 | }; | ||
| 71 | backlight-2 { | ||
| 72 | }; | ||
| 73 | }; | ||
| 74 | leds { | ||
| 75 | led0-red { | ||
| 76 | marvell,88pm860x-iset = <12>; | ||
| 77 | }; | ||
| 78 | led0-green { | ||
| 79 | marvell,88pm860x-iset = <12>; | ||
| 80 | }; | ||
| 81 | led0-blue { | ||
| 82 | marvell,88pm860x-iset = <12>; | ||
| 83 | }; | ||
| 84 | }; | ||
| 85 | }; | ||
| @@ -23,6 +23,7 @@ Device IRQ Names Supply Names Description · 22 unmodified lines | |||
| 23 | ab8500-bm : : : Battery Manager | 23 | ab8500-bm : : : Battery Manager |
| 24 | ab8500-btemp : : : Battery Temperature | 24 | ab8500-btemp : : : Battery Temperature |
| 25 | ab8500-charger : : : Battery Charger | 25 | ab8500-charger : : : Battery Charger |
| 26 | ab8500-codec : : : Audio Codec | ||
| 26 | ab8500-fg : : : Fuel Gauge | 27 | ab8500-fg : : : Fuel Gauge |
| 27 | ab8500-gpadc : HW_CONV_END : vddadc : Analogue to Digital Converter | 28 | ab8500-gpadc : HW_CONV_END : vddadc : Analogue to Digital Converter |
| 28 | SW_CONV_END : : | 29 | SW_CONV_END : : |
| @@ -52,6 +53,14 @@ Optional child device properties: · 23 unmodified lines | |||
| 52 | supplied in the interrupts property | 53 | supplied in the interrupts property |
| 53 | - <supply_name>-supply : contains a phandle to the regulator supply node in Device Tree | 54 | - <supply_name>-supply : contains a phandle to the regulator supply node in Device Tree |
| 54 | 55 | ||
| 56 | Non-standard child device properties: | ||
| 57 | - Audio CODEC: | ||
| 58 | - stericsson,amic[1|2]-type-single-ended : Single-ended Analoge Mic (default: differential) | ||
| 59 | - stericsson,amic1a-bias-vamic2 : Analoge Mic wishes to use a non-standard Vamic | ||
| 60 | - stericsson,amic1b-bias-vamic2 : Analoge Mic wishes to use a non-standard Vamic | ||
| 61 | - stericsson,amic2-bias-vamic1 : Analoge Mic wishes to use a non-standard Vamic | ||
| 62 | - stericsson,earpeice-cmv : Earpeice voltage (only: 950 | 1100 | 1270 | 1580) | ||
| 63 | |||
| 55 | ab8500@5 { | 64 | ab8500@5 { |
| 56 | compatible = "stericsson,ab8500"; | 65 | compatible = "stericsson,ab8500"; |
| 57 | reg = <5>; /* mailbox 5 is i2c */ | 66 | reg = <5>; /* mailbox 5 is i2c */ |
| @@ -110,6 +119,12 @@ ab8500@5 { · 52 unmodified lines | |||
| 110 | compatible = "stericsson,ab8500-pwm"; | 119 | compatible = "stericsson,ab8500-pwm"; |
| 111 | }; | 120 | }; |
| 112 | 121 | ||
| 122 | codec: ab8500-codec { | ||
| 123 | compatible = "stericsson,ab8500-codec"; | ||
| 124 | |||
| 125 | stericsson,earpeice-cmv = <950>; /* Units in mV. */ | ||
| 126 | }; | ||
| 127 | |||
| 113 | ab8500-regulators { | 128 | ab8500-regulators { |
| 114 | compatible = "stericsson,ab8500-regulator"; | 129 | compatible = "stericsson,ab8500-regulator"; |
| 115 | 130 | ||
| @@ -0,0 +1,20 @@ | |||
| 1 | * System Controller Registers R/W driver | ||
| 2 | |||
| 3 | System controller node represents a register region containing a set | ||
| 4 | of miscellaneous registers. The registers are not cohesive enough to | ||
| 5 | represent as any specific type of device. The typical use-case is for | ||
| 6 | some other node's driver, or platform-specific code, to acquire a | ||
| 7 | reference to the syscon node (e.g. by phandle, node path, or search | ||
| 8 | using a specific compatible value), interrogate the node (or associated | ||
| 9 | OS driver) to determine the location of the registers, and access the | ||
| 10 | registers directly. | ||
| 11 | |||
| 12 | Required properties: | ||
| 13 | - compatible: Should contain "syscon". | ||
| 14 | - reg: the register region can be accessed from syscon | ||
| 15 | |||
| 16 | Examples: | ||
| 17 | gpr: iomuxc-gpr@020e0000 { | ||
| 18 | compatible = "fsl,imx6q-iomuxc-gpr", "syscon"; | ||
| 19 | reg = <0x020e0000 0x38>; | ||
| 20 | }; | ||
| @@ -59,6 +59,8 @@ Optional properties: · 58 unmodified lines | |||
| 59 | in TPS6591X datasheet) | 59 | in TPS6591X datasheet) |
| 60 | - ti,en-gpio-sleep: enable sleep control for gpios | 60 | - ti,en-gpio-sleep: enable sleep control for gpios |
| 61 | There should be 9 entries here, one for each gpio. | 61 | There should be 9 entries here, one for each gpio. |
| 62 | - ti,system-power-controller: Telling whether or not this pmic is controlling | ||
| 63 | the system power. | ||
| 62 | 64 | ||
| 63 | Regulator Optional properties: | 65 | Regulator Optional properties: |
| 64 | - ti,regulator-ext-sleep-control: enable external sleep | 66 | - ti,regulator-ext-sleep-control: enable external sleep |
| @@ -79,6 +81,8 @@ Example: · 14 unmodified lines | |||
| 79 | #interrupt-cells = <2>; | 81 | #interrupt-cells = <2>; |
| 80 | interrupt-controller; | 82 | interrupt-controller; |
| 81 | 83 | ||
| 84 | ti,system-power-controller; | ||
| 85 | |||
| 82 | ti,vmbch-threshold = 0; | 86 | ti,vmbch-threshold = 0; |
| 83 | ti,vmbch2-threshold = 0; | 87 | ti,vmbch2-threshold = 0; |
| 84 | ti,en-ck32k-xtal; | 88 | ti,en-ck32k-xtal; |
| @@ -0,0 +1,46 @@ | |||
| 1 | Texas Instruments TWL family (twl4030) audio module | ||
| 2 | |||
| 3 | The audio module inside the TWL family consist of an audio codec and a vibra | ||
| 4 | driver. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible : must be "ti,twl4030-audio" | ||
| 8 | |||
| 9 | Optional properties, nodes: | ||
| 10 | |||
| 11 | Audio functionality: | ||
| 12 | - codec { }: Need to be present if the audio functionality is used. Within this | ||
| 13 | section the following options can be used: | ||
| 14 | - ti,digimic_delay: Delay need after enabling the digimic to reduce artifacts | ||
| 15 | from the start of the recorded sample (in ms) | ||
| 16 | -ti,ramp_delay_value: HS ramp delay configuration to reduce pop noise | ||
| 17 | -ti,hs_extmute: Use external mute for HS pop reduction | ||
| 18 | -ti,hs_extmute_gpio: Use external GPIO to control the external mute | ||
| 19 | -ti,offset_cncl_path: Offset cancellation path selection, refer to TRM for the | ||
| 20 | valid values. | ||
| 21 | |||
| 22 | Vibra functionality | ||
| 23 | - ti,enable-vibra: Need to be set to <1> if the vibra functionality is used. if | ||
| 24 | missing or it is 0, the vibra functionality is disabled. | ||
| 25 | |||
| 26 | Example: | ||
| 27 | &i2c1 { | ||
| 28 | clock-frequency = <2600000>; | ||
| 29 | |||
| 30 | twl: twl@48 { | ||
| 31 | reg = <0x48>; | ||
| 32 | interrupts = <7>; /* SYS_NIRQ cascaded to intc */ | ||
| 33 | interrupt-parent = <&intc>; | ||
| 34 | |||
| 35 | twl_audio: audio { | ||
| 36 | compatible = "ti,twl4030-audio"; | ||
| 37 | |||
| 38 | ti,enable-vibra = <1>; | ||
| 39 | |||
| 40 | codec { | ||
| 41 | ti,ramp_delay_value = <3>; | ||
| 42 | }; | ||
| 43 | |||
| 44 | }; | ||
| 45 | }; | ||
| 46 | }; | ||
| @@ -1,7 +1,7 @@ | |||
| 1 | Texas Instruments TWL6040 family | 1 | Texas Instruments TWL6040 family |
| 2 | 2 | ||
| 3 | The TWL6040s are 8-channel high quality low-power audio codecs providing audio | 3 | The TWL6040s are 8-channel high quality low-power audio codecs providing audio, |
| 4 | and vibra functionality on OMAP4+ platforms. | 4 | vibra and GPO functionality on OMAP4+ platforms. |
| 5 | They are connected ot the host processor via i2c for commands, McPDM for audio | 5 | They are connected ot the host processor via i2c for commands, McPDM for audio |
| 6 | data and commands. | 6 | data and commands. |
| 7 | 7 | ||
| @@ -10,6 +10,8 @@ Required properties: · 2 unmodified lines | |||
| 10 | - reg: must be 0x4b for i2c address | 10 | - reg: must be 0x4b for i2c address |
| 11 | - interrupts: twl6040 has one interrupt line connecteded to the main SoC | 11 | - interrupts: twl6040 has one interrupt line connecteded to the main SoC |
| 12 | - interrupt-parent: The parent interrupt controller | 12 | - interrupt-parent: The parent interrupt controller |
| 13 | - gpio-controller: | ||
| 14 | - #gpio-cells = <1>: twl6040 provides GPO lines. | ||
| 13 | - twl6040,audpwron-gpio: Power on GPIO line for the twl6040 | 15 | - twl6040,audpwron-gpio: Power on GPIO line for the twl6040 |
| 14 | 16 | ||
| 15 | - vio-supply: Regulator for the twl6040 VIO supply | 17 | - vio-supply: Regulator for the twl6040 VIO supply |
| @@ -37,7 +39,6 @@ Example: · 21 unmodified lines | |||
| 37 | &i2c1 { | 39 | &i2c1 { |
| 38 | twl6040: twl@4b { | 40 | twl6040: twl@4b { |
| 39 | compatible = "ti,twl6040"; | 41 | compatible = "ti,twl6040"; |
| 40 | reg = <0x4b>; | ||
| 41 | 42 | ||
| 42 | interrupts = <0 119 4>; | 43 | interrupts = <0 119 4>; |
| 43 | interrupt-parent = <&gic>; | 44 | interrupt-parent = <&gic>; |
| @@ -60,3 +61,5 @@ Example: · 16 unmodified lines | |||
| 60 | }; | 61 | }; |
| 61 | }; | 62 | }; |
| 62 | }; | 63 | }; |
| 64 | |||
| 65 | /include/ "twl6040.dtsi" | ||
| @@ -0,0 +1,41 @@ | |||
| 1 | IFM camera sensor interface on mpc5200 LocalPlus bus | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "ifm,o2d-csi" | ||
| 5 | - reg: specifies sensor chip select number and associated address range | ||
| 6 | - interrupts: external interrupt line number and interrupt sense mode | ||
| 7 | of the interrupt line signaling frame valid events | ||
| 8 | - gpios: three gpio-specifiers for "capture", "reset" and "master enable" | ||
| 9 | GPIOs (strictly in this order). | ||
| 10 | - ifm,csi-clk-handle: the phandle to a node in the DT describing the sensor | ||
| 11 | clock generator. This node is usually a general purpose timer controller. | ||
| 12 | - ifm,csi-addr-bus-width: address bus width (valid values are 16, 24, 25) | ||
| 13 | - ifm,csi-data-bus-width: data bus width (valid values are 8 and 16) | ||
| 14 | - ifm,csi-wait-cycles: sensor bus wait cycles | ||
| 15 | |||
| 16 | Optional properties: | ||
| 17 | - ifm,csi-byte-swap: if this property is present, the byte swapping on | ||
| 18 | the bus will be enabled. | ||
| 19 | |||
| 20 | Example: | ||
| 21 | |||
| 22 | csi@3,0 { | ||
| 23 | compatible = "ifm,o2d-csi"; | ||
| 24 | reg = <3 0 0x00100000>; /* CS 3, 1 MiB range */ | ||
| 25 | interrupts = <1 1 2>; /* IRQ1, edge falling */ | ||
| 26 | |||
| 27 | ifm,csi-clk-handle = <&timer7>; | ||
| 28 | gpios = <&gpio_simple 23 0 /* image_capture */ | ||
| 29 | &gpio_simple 26 0 /* image_reset */ | ||
| 30 | &gpio_simple 29 0>; /* image_master_en */ | ||
| 31 | |||
| 32 | ifm,csi-addr-bus-width = <24>; | ||
| 33 | ifm,csi-data-bus-width = <8>; | ||
| 34 | ifm,csi-wait-cycles = <0>; | ||
| 35 | }; | ||
| 36 | |||
| 37 | The base address of the used chip select is specified in the | ||
| 38 | ranges property of the parent localbus node, for example: | ||
| 39 | |||
| 40 | ranges = <0 0 0xff000000 0x01000000 | ||
| 41 | 3 0 0xe3000000 0x00100000>; | ||
| @@ -0,0 +1,68 @@ | |||
| 1 | * Atmel High Speed MultiMedia Card Interface | ||
| 2 | |||
| 3 | This controller on atmel products provides an interface for MMC, SD and SDIO | ||
| 4 | types of memory cards. | ||
| 5 | |||
| 6 | This file documents differences between the core properties described | ||
| 7 | by mmc.txt and the properties used by the atmel-mci driver. | ||
| 8 | |||
| 9 | 1) MCI node | ||
| 10 | |||
| 11 | Required properties: | ||
| 12 | - compatible: should be "atmel,hsmci" | ||
| 13 | - #address-cells: should be one. The cell is the slot id. | ||
| 14 | - #size-cells: should be zero. | ||
| 15 | - at least one slot node | ||
| 16 | |||
| 17 | The node contains child nodes for each slot that the platform uses | ||
| 18 | |||
| 19 | Example MCI node: | ||
| 20 | |||
| 21 | mmc0: mmc@f0008000 { | ||
| 22 | compatible = "atmel,hsmci"; | ||
| 23 | reg = <0xf0008000 0x600>; | ||
| 24 | interrupts = <12 4>; | ||
| 25 | #address-cells = <1>; | ||
| 26 | #size-cells = <0>; | ||
| 27 | |||
| 28 | [ child node definitions...] | ||
| 29 | }; | ||
| 30 | |||
| 31 | 2) slot nodes | ||
| 32 | |||
| 33 | Required properties: | ||
| 34 | - reg: should contain the slot id. | ||
| 35 | - bus-width: number of data lines connected to the controller | ||
| 36 | |||
| 37 | Optional properties: | ||
| 38 | - cd-gpios: specify GPIOs for card detection | ||
| 39 | - cd-inverted: invert the value of external card detect gpio line | ||
| 40 | - wp-gpios: specify GPIOs for write protection | ||
| 41 | |||
| 42 | Example slot node: | ||
| 43 | |||
| 44 | slot@0 { | ||
| 45 | reg = <0>; | ||
| 46 | bus-width = <4>; | ||
| 47 | cd-gpios = <&pioD 15 0> | ||
| 48 | cd-inverted; | ||
| 49 | }; | ||
| 50 | |||
| 51 | Example full MCI node: | ||
| 52 | mmc0: mmc@f0008000 { | ||
| 53 | compatible = "atmel,hsmci"; | ||
| 54 | reg = <0xf0008000 0x600>; | ||
| 55 | interrupts = <12 4>; | ||
| 56 | #address-cells = <1>; | ||
| 57 | #size-cells = <0>; | ||
| 58 | slot@0 { | ||
| 59 | reg = <0>; | ||
| 60 | bus-width = <4>; | ||
| 61 | cd-gpios = <&pioD 15 0> | ||
| 62 | cd-inverted; | ||
| 63 | }; | ||
| 64 | slot@1 { | ||
| 65 | reg = <1>; | ||
| 66 | bus-width = <4>; | ||
| 67 | }; | ||
| 68 | }; | ||
| @@ -0,0 +1,87 @@ | |||
| 1 | * Samsung Exynos specific extensions to the Synopsis Designware Mobile | ||
| 2 | Storage Host Controller | ||
| 3 | |||
| 4 | The Synopsis designware mobile storage host controller is used to interface | ||
| 5 | a SoC with storage medium such as eMMC or SD/MMC cards. This file documents | ||
| 6 | differences between the core Synopsis dw mshc controller properties described | ||
| 7 | by synposis-dw-mshc.txt and the properties used by the Samsung Exynos specific | ||
| 8 | extensions to the Synopsis Designware Mobile Storage Host Controller. | ||
| 9 | |||
| 10 | Required Properties: | ||
| 11 | |||
| 12 | * compatible: should be | ||
| 13 | - "samsung,exynos4210-dw-mshc": for controllers with Samsung Exynos4210 | ||
| 14 | specific extentions. | ||
| 15 | - "samsung,exynos4412-dw-mshc": for controllers with Samsung Exynos4412 | ||
| 16 | specific extentions. | ||
| 17 | - "samsung,exynos5250-dw-mshc": for controllers with Samsung Exynos5250 | ||
| 18 | specific extentions. | ||
| 19 | |||
| 20 | * samsung,dw-mshc-ciu-div: Specifies the divider value for the card interface | ||
| 21 | unit (ciu) clock. This property is applicable only for Exynos5 SoC's and | ||
| 22 | ignored for Exynos4 SoC's. The valid range of divider value is 0 to 7. | ||
| 23 | |||
| 24 | * samsung,dw-mshc-sdr-timing: Specifies the value of CIU clock phase shift value | ||
| 25 | in transmit mode and CIU clock phase shift value in receive mode for single | ||
| 26 | data rate mode operation. Refer notes below for the order of the cells and the | ||
| 27 | valid values. | ||
| 28 | |||
| 29 | * samsung,dw-mshc-ddr-timing: Specifies the value of CUI clock phase shift value | ||
| 30 | in transmit mode and CIU clock phase shift value in receive mode for double | ||
| 31 | data rate mode operation. Refer notes below for the order of the cells and the | ||
| 32 | valid values. | ||
| 33 | |||
| 34 | Notes for the sdr-timing and ddr-timing values: | ||
| 35 | |||
| 36 | The order of the cells should be | ||
| 37 | - First Cell: CIU clock phase shift value for tx mode. | ||
| 38 | - Second Cell: CIU clock phase shift value for rx mode. | ||
| 39 | |||
| 40 | Valid values for SDR and DDR CIU clock timing for Exynos5250: | ||
| 41 | - valid value for tx phase shift and rx phase shift is 0 to 7. | ||
| 42 | - when CIU clock divider value is set to 3, all possible 8 phase shift | ||
| 43 | values can be used. | ||
| 44 | - if CIU clock divider value is 0 (that is divide by 1), both tx and rx | ||
| 45 | phase shift clocks should be 0. | ||
| 46 | |||
| 47 | Required properties for a slot: | ||
| 48 | |||
| 49 | * gpios: specifies a list of gpios used for command, clock and data bus. The | ||
| 50 | first gpio is the command line and the second gpio is the clock line. The | ||
| 51 | rest of the gpios (depending on the bus-width property) are the data lines in | ||
| 52 | no particular order. The format of the gpio specifier depends on the gpio | ||
| 53 | controller. | ||
| 54 | |||
| 55 | Example: | ||
| 56 | |||
| 57 | The MSHC controller node can be split into two portions, SoC specific and | ||
| 58 | board specific portions as listed below. | ||
| 59 | |||
| 60 | dwmmc0@12200000 { | ||
| 61 | compatible = "samsung,exynos5250-dw-mshc"; | ||
| 62 | reg = <0x12200000 0x1000>; | ||
| 63 | interrupts = <0 75 0>; | ||
| 64 | #address-cells = <1>; | ||
| 65 | #size-cells = <0>; | ||
| 66 | }; | ||
| 67 | |||
| 68 | dwmmc0@12200000 { | ||
| 69 | num-slots = <1>; | ||
| 70 | supports-highspeed; | ||
| 71 | broken-cd; | ||
| 72 | fifo-depth = <0x80>; | ||
| 73 | card-detect-delay = <200>; | ||
| 74 | samsung,dw-mshc-ciu-div = <3>; | ||
| 75 | samsung,dw-mshc-sdr-timing = <2 3>; | ||
| 76 | samsung,dw-mshc-ddr-timing = <1 2>; | ||
| 77 | |||
| 78 | slot@0 { | ||
| 79 | reg = <0>; | ||
| 80 | bus-width = <8>; | ||
| 81 | gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>, | ||
| 82 | <&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>, | ||
| 83 | <&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>, | ||
| 84 | <&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>, | ||
| 85 | <&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>; | ||
| 86 | }; | ||
| 87 | }; | ||
| @@ -9,12 +9,17 @@ Interpreted by the OF core: · 8 unmodified lines | |||
| 9 | Required properties: | 9 | Required properties: |
| 10 | - bus-width: Number of data lines, can be <1>, <4>, or <8> | 10 | - bus-width: Number of data lines, can be <1>, <4>, or <8> |
| 11 | 11 | ||
| 12 | Card detection: | ||
| 13 | If no property below is supplied, standard SDHCI card detect is used. | ||
| 14 | Only one of the properties in this section should be supplied: | ||
| 15 | - broken-cd: There is no card detection available; polling must be used. | ||
| 16 | - cd-gpios: Specify GPIOs for card detection, see gpio binding | ||
| 17 | - non-removable: non-removable slot (like eMMC); assume always present. | ||
| 18 | |||
| 12 | Optional properties: | 19 | Optional properties: |
| 13 | - cd-gpios: Specify GPIOs for card detection, see gpio binding | ||
| 14 | - wp-gpios: Specify GPIOs for write protection, see gpio binding | 20 | - wp-gpios: Specify GPIOs for write protection, see gpio binding |
| 15 | - cd-inverted: when present, polarity on the cd gpio line is inverted | 21 | - cd-inverted: when present, polarity on the cd gpio line is inverted |
| 16 | - wp-inverted: when present, polarity on the wp gpio line is inverted | 22 | - wp-inverted: when present, polarity on the wp gpio line is inverted |
| 17 | - non-removable: non-removable slot (like eMMC) | ||
| 18 | - max-frequency: maximum operating clock frequency | 23 | - max-frequency: maximum operating clock frequency |
| 19 | 24 | ||
| 20 | Example: | 25 | Example: |
| @@ -0,0 +1,25 @@ | |||
| 1 | * PXA MMC drivers | ||
| 2 | |||
| 3 | Driver bindings for the PXA MCI (MMC/SDIO) interfaces | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible: Should be "marvell,pxa-mmc". | ||
| 7 | - vmmc-supply: A regulator for VMMC | ||
| 8 | |||
| 9 | Optional properties: | ||
| 10 | - marvell,detect-delay-ms: sets the detection delay timeout in ms. | ||
| 11 | - marvell,gpio-power: GPIO spec for the card power enable pin | ||
| 12 | |||
| 13 | This file documents differences between the core properties in mmc.txt | ||
| 14 | and the properties used by the pxa-mmc driver. | ||
| 15 | |||
| 16 | Examples: | ||
| 17 | |||
| 18 | mmc0: mmc@41100000 { | ||
| 19 | compatible = "marvell,pxa-mmc"; | ||
| 20 | reg = <0x41100000 0x1000>; | ||
| 21 | interrupts = <23>; | ||
| 22 | cd-gpios = <&gpio 23 0>; | ||
| 23 | wp-gpios = <&gpio 24 0>; | ||
| 24 | }; | ||
| 25 | |||
| @@ -0,0 +1,53 @@ | |||
| 1 | * Samsung's SDHCI Controller device tree bindings | ||
| 2 | |||
| 3 | Samsung's SDHCI controller is used as a connectivity interface with external | ||
| 4 | MMC, SD and eMMC storage mediums. This file documents differences between the | ||
| 5 | core mmc properties described by mmc.txt and the properties used by the | ||
| 6 | Samsung implmentation of the SDHCI controller. | ||
| 7 | |||
| 8 | Note: The mmc core bindings documentation states that if none of the core | ||
| 9 | card-detect bindings are used, then the standard sdhci card detect mechanism | ||
| 10 | is used. The Samsung's SDHCI controller bindings extends this as listed below. | ||
| 11 | |||
| 12 | [A] The property "samsung,cd-pinmux-gpio" can be used as stated in the | ||
| 13 | "Optional Board Specific Properties" section below. | ||
| 14 | |||
| 15 | [B] If core card-detect bindings and "samsung,cd-pinmux-gpio" property | ||
| 16 | is not specified, it is assumed that there is no card detection | ||
| 17 | mechanism used. | ||
| 18 | |||
| 19 | Required SoC Specific Properties: | ||
| 20 | - compatible: should be one of the following | ||
| 21 | - "samsung,s3c6410-sdhci": For controllers compatible with s3c6410 sdhci | ||
| 22 | controller. | ||
| 23 | - "samsung,exynos4210-sdhci": For controllers compatible with Exynos4 sdhci | ||
| 24 | controller. | ||
| 25 | |||
| 26 | Required Board Specific Properties: | ||
| 27 | - gpios: Should specify the gpios used for clock, command and data lines. The | ||
| 28 | gpio specifier format depends on the gpio controller. | ||
| 29 | |||
| 30 | Optional Board Specific Properties: | ||
| 31 | - samsung,cd-pinmux-gpio: Specifies the card detect line that is routed | ||
| 32 | through a pinmux to the card-detect pin of the card slot. This property | ||
| 33 | should be used only if none of the mmc core card-detect properties are | ||
| 34 | used. | ||
| 35 | |||
| 36 | Example: | ||
| 37 | sdhci@12530000 { | ||
| 38 | compatible = "samsung,exynos4210-sdhci"; | ||
| 39 | reg = <0x12530000 0x100>; | ||
| 40 | interrupts = <0 75 0>; | ||
| 41 | bus-width = <4>; | ||
| 42 | cd-gpios = <&gpk2 2 2 3 3>; | ||
| 43 | gpios = <&gpk2 0 2 0 3>, /* clock line */ | ||
| 44 | <&gpk2 1 2 0 3>, /* command line */ | ||
| 45 | <&gpk2 3 2 3 3>, /* data line 0 */ | ||
| 46 | <&gpk2 4 2 3 3>, /* data line 1 */ | ||
| 47 | <&gpk2 5 2 3 3>, /* data line 2 */ | ||
| 48 | <&gpk2 6 2 3 3>; /* data line 3 */ | ||
| 49 | }; | ||
| 50 | |||
| 51 | Note: This example shows both SoC specific and board specific properties | ||
| 52 | in a single device node. The properties can be actually be seperated | ||
| 53 | into SoC specific node and board specific node. | ||
| @@ -0,0 +1,14 @@ | |||
| 1 | * Marvell sdhci-dove controller | ||
| 2 | |||
| 3 | This file documents differences between the core properties in mmc.txt | ||
| 4 | and the properties used by the sdhci-pxav2 and sdhci-pxav3 drivers. | ||
| 5 | |||
| 6 | - compatible: Should be "marvell,dove-sdhci". | ||
| 7 | |||
| 8 | Example: | ||
| 9 | |||
| 10 | sdio0: sdio@92000 { | ||
| 11 | compatible = "marvell,dove-sdhci"; | ||
| 12 | reg = <0x92000 0x100>; | ||
| 13 | interrupts = <35>; | ||
| 14 | }; | ||
| @@ -0,0 +1,18 @@ | |||
| 1 | * SPEAr SDHCI Controller | ||
| 2 | |||
| 3 | This file documents differences between the core properties in mmc.txt | ||
| 4 | and the properties used by the sdhci-spear driver. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "st,spear300-sdhci" | ||
| 8 | |||
| 9 | Optional properties: | ||
| 10 | - cd-gpios: card detect gpio, with zero flags. | ||
| 11 | |||
| 12 | Example: | ||
| 13 | |||
| 14 | sdhci@fc000000 { | ||
| 15 | compatible = "st,spear300-sdhci"; | ||
| 16 | reg = <0xfc000000 0x1000>; | ||
| 17 | cd-gpios = <&gpio0 6 0>; | ||
| 18 | }; | ||
| @@ -0,0 +1,79 @@ | |||
| 1 | * Synopsis Designware Mobile Storage Host Controller | ||
| 2 | |||
| 3 | The Synopsis designware mobile storage host controller is used to interface | ||
| 4 | a SoC with storage medium such as eMMC or SD/MMC cards. This file documents | ||
| 5 | differences between the core mmc properties described by mmc.txt and the | ||
| 6 | properties used by the Synopsis Designware Mobile Storage Host Controller. | ||
| 7 | |||
| 8 | Required Properties: | ||
| 9 | |||
| 10 | * compatible: should be | ||
| 11 | - snps,dw-mshc: for controllers compliant with synopsis dw-mshc. | ||
| 12 | * #address-cells: should be 1. | ||
| 13 | * #size-cells: should be 0. | ||
| 14 | |||
| 15 | # Slots: The slot specific information are contained within child-nodes with | ||
| 16 | each child-node representing a supported slot. There should be atleast one | ||
| 17 | child node representing a card slot. The name of the child node representing | ||
| 18 | the slot is recommended to be slot@n where n is the unique number of the slot | ||
| 19 | connnected to the controller. The following are optional properties which | ||
| 20 | can be included in the slot child node. | ||
| 21 | |||
| 22 | * reg: specifies the physical slot number. The valid values of this | ||
| 23 | property is 0 to (num-slots -1), where num-slots is the value | ||
| 24 | specified by the num-slots property. | ||
| 25 | |||
| 26 | * bus-width: as documented in mmc core bindings. | ||
| 27 | |||
| 28 | * wp-gpios: specifies the write protect gpio line. The format of the | ||
| 29 | gpio specifier depends on the gpio controller. If the write-protect | ||
| 30 | line is not available, this property is optional. | ||
| 31 | |||
| 32 | Optional properties: | ||
| 33 | |||
| 34 | * num-slots: specifies the number of slots supported by the controller. | ||
| 35 | The number of physical slots actually used could be equal or less than the | ||
| 36 | value specified by num-slots. If this property is not specified, the value | ||
| 37 | of num-slot property is assumed to be 1. | ||
| 38 | |||
| 39 | * fifo-depth: The maximum size of the tx/rx fifo's. If this property is not | ||
| 40 | specified, the default value of the fifo size is determined from the | ||
| 41 | controller registers. | ||
| 42 | |||
| 43 | * card-detect-delay: Delay in milli-seconds before detecting card after card | ||
| 44 | insert event. The default value is 0. | ||
| 45 | |||
| 46 | * supports-highspeed: Enables support for high speed cards (upto 50MHz) | ||
| 47 | |||
| 48 | * broken-cd: as documented in mmc core bindings. | ||
| 49 | |||
| 50 | Aliases: | ||
| 51 | |||
| 52 | - All the MSHC controller nodes should be represented in the aliases node using | ||
| 53 | the following format 'mshc{n}' where n is a unique number for the alias. | ||
| 54 | |||
| 55 | Example: | ||
| 56 | |||
| 57 | The MSHC controller node can be split into two portions, SoC specific and | ||
| 58 | board specific portions as listed below. | ||
| 59 | |||
| 60 | dwmmc0@12200000 { | ||
| 61 | compatible = "snps,dw-mshc"; | ||
| 62 | reg = <0x12200000 0x1000>; | ||
| 63 | interrupts = <0 75 0>; | ||
| 64 | #address-cells = <1>; | ||
| 65 | #size-cells = <0>; | ||
| 66 | }; | ||
| 67 | |||
| 68 | dwmmc0@12200000 { | ||
| 69 | num-slots = <1>; | ||
| 70 | supports-highspeed; | ||
| 71 | broken-cd; | ||
| 72 | fifo-depth = <0x80>; | ||
| 73 | card-detect-delay = <200>; | ||
| 74 | |||
| 75 | slot@0 { | ||
| 76 | reg = <0>; | ||
| 77 | bus-width = <8>; | ||
| 78 | }; | ||
| 79 | }; | ||
| @@ -3,7 +3,9 @@ Atmel NAND flash · 2 unmodified lines | |||
| 3 | Required properties: | 3 | Required properties: |
| 4 | - compatible : "atmel,at91rm9200-nand". | 4 | - compatible : "atmel,at91rm9200-nand". |
| 5 | - reg : should specify localbus address and size used for the chip, | 5 | - reg : should specify localbus address and size used for the chip, |
| 6 | and if availlable the ECC. | 6 | and hardware ECC controller if available. |
| 7 | If the hardware ECC is PMECC, it should contain address and size for | ||
| 8 | PMECC, PMECC Error Location controller and ROM which has lookup tables. | ||
| 7 | - atmel,nand-addr-offset : offset for the address latch. | 9 | - atmel,nand-addr-offset : offset for the address latch. |
| 8 | - atmel,nand-cmd-offset : offset for the command latch. | 10 | - atmel,nand-cmd-offset : offset for the command latch. |
| 9 | - #address-cells, #size-cells : Must be present if the device has sub-nodes | 11 | - #address-cells, #size-cells : Must be present if the device has sub-nodes |
| @@ -16,6 +18,15 @@ Optional properties: · 6 unmodified lines | |||
| 16 | - nand-ecc-mode : String, operation mode of the NAND ecc mode, soft by default. | 18 | - nand-ecc-mode : String, operation mode of the NAND ecc mode, soft by default. |
| 17 | Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first", | 19 | Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first", |
| 18 | "soft_bch". | 20 | "soft_bch". |
| 21 | - atmel,has-pmecc : boolean to enable Programmable Multibit ECC hardware. | ||
| 22 | Only supported by at91sam9x5 or later sam9 product. | ||
| 23 | - atmel,pmecc-cap : error correct capability for Programmable Multibit ECC | ||
| 24 | Controller. Supported values are: 2, 4, 8, 12, 24. | ||
| 25 | - atmel,pmecc-sector-size : sector size for ECC computation. Supported values | ||
| 26 | are: 512, 1024. | ||
| 27 | - atmel,pmecc-lookup-table-offset : includes two offsets of lookup table in ROM | ||
| 28 | for different sector size. First one is for sector size 512, the next is for | ||
| 29 | sector size 1024. | ||
| 19 | - nand-bus-width : 8 or 16 bus width if not present 8 | 30 | - nand-bus-width : 8 or 16 bus width if not present 8 |
| 20 | - nand-on-flash-bbt: boolean to enable on flash bbt option if not present false | 31 | - nand-on-flash-bbt: boolean to enable on flash bbt option if not present false |
| 21 | 32 | ||
| @@ -39,3 +50,30 @@ nand0: nand@40000000,0 { · 17 unmodified lines | |||
| 39 | ... | 50 | ... |
| 40 | }; | 51 | }; |
| 41 | }; | 52 | }; |
| 53 | |||
| 54 | /* for PMECC supported chips */ | ||
| 55 | nand0: nand@40000000 { | ||
| 56 | compatible = "atmel,at91rm9200-nand"; | ||
| 57 | #address-cells = <1>; | ||
| 58 | #size-cells = <1>; | ||
| 59 | reg = < 0x40000000 0x10000000 /* bus addr & size */ | ||
| 60 | 0xffffe000 0x00000600 /* PMECC addr & size */ | ||
| 61 | 0xffffe600 0x00000200 /* PMECC ERRLOC addr & size */ | ||
| 62 | 0x00100000 0x00100000 /* ROM addr & size */ | ||
| 63 | >; | ||
| 64 | atmel,nand-addr-offset = <21>; /* ale */ | ||
| 65 | atmel,nand-cmd-offset = <22>; /* cle */ | ||
| 66 | nand-on-flash-bbt; | ||
| 67 | nand-ecc-mode = "hw"; | ||
| 68 | atmel,has-pmecc; /* enable PMECC */ | ||
| 69 | atmel,pmecc-cap = <2>; | ||
| 70 | atmel,pmecc-sector-size = <512>; | ||
| 71 | atmel,pmecc-lookup-table-offset = <0x8000 0x10000>; | ||
| 72 | gpios = <&pioD 5 0 /* rdy */ | ||
| 73 | &pioD 4 0 /* nce */ | ||
| 74 | 0 /* cd */ | ||
| 75 | >; | ||
| 76 | partition@0 { | ||
| 77 | ... | ||
| 78 | }; | ||
| 79 | }; | ||
| @@ -12,6 +12,10 @@ Required properties: · 11 unmodified lines | |||
| 12 | - interrupt-names : The interrupt names "gpmi-dma", "bch"; | 12 | - interrupt-names : The interrupt names "gpmi-dma", "bch"; |
| 13 | - fsl,gpmi-dma-channel : Should contain the dma channel it uses. | 13 | - fsl,gpmi-dma-channel : Should contain the dma channel it uses. |
| 14 | 14 | ||
| 15 | Optional properties: | ||
| 16 | - nand-on-flash-bbt: boolean to enable on flash bbt option if not | ||
| 17 | present false | ||
| 18 | |||
| 15 | The device tree may optionally contain sub-nodes describing partitions of the | 19 | The device tree may optionally contain sub-nodes describing partitions of the |
| 16 | address space. See partition.txt for more detail. | 20 | address space. See partition.txt for more detail. |
| 17 | 21 | ||
| @@ -0,0 +1,50 @@ | |||
| 1 | NXP LPC32xx SoC NAND MLC controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "nxp,lpc3220-mlc" | ||
| 5 | - reg: Address and size of the controller | ||
| 6 | - interrupts: The NAND interrupt specification | ||
| 7 | - gpios: GPIO specification for NAND write protect | ||
| 8 | |||
| 9 | The following required properties are very controller specific. See the LPC32xx | ||
| 10 | User Manual 7.5.14 MLC NAND Timing Register (the values here are specified in | ||
| 11 | Hz, to make them independent of actual clock speed and to provide for good | ||
| 12 | accuracy:) | ||
| 13 | - nxp,tcea_delay: TCEA_DELAY | ||
| 14 | - nxp,busy_delay: BUSY_DELAY | ||
| 15 | - nxp,nand_ta: NAND_TA | ||
| 16 | - nxp,rd_high: RD_HIGH | ||
| 17 | - nxp,rd_low: RD_LOW | ||
| 18 | - nxp,wr_high: WR_HIGH | ||
| 19 | - nxp,wr_low: WR_LOW | ||
| 20 | |||
| 21 | Optional subnodes: | ||
| 22 | - Partitions, see Documentation/devicetree/bindings/mtd/partition.txt | ||
| 23 | |||
| 24 | Example: | ||
| 25 | |||
| 26 | mlc: flash@200A8000 { | ||
| 27 | compatible = "nxp,lpc3220-mlc"; | ||
| 28 | reg = <0x200A8000 0x11000>; | ||
| 29 | interrupts = <11 0>; | ||
| 30 | #address-cells = <1>; | ||
| 31 | #size-cells = <1>; | ||
| 32 | |||
| 33 | nxp,tcea-delay = <333333333>; | ||
| 34 | nxp,busy-delay = <10000000>; | ||
| 35 | nxp,nand-ta = <18181818>; | ||
| 36 | nxp,rd-high = <31250000>; | ||
| 37 | nxp,rd-low = <45454545>; | ||
| 38 | nxp,wr-high = <40000000>; | ||
| 39 | nxp,wr-low = <83333333>; | ||
| 40 | gpios = <&gpio 5 19 1>; /* GPO_P3 19, active low */ | ||
| 41 | |||
| 42 | mtd0@00000000 { | ||
| 43 | label = "boot"; | ||
| 44 | reg = <0x00000000 0x00064000>; | ||
| 45 | read-only; | ||
| 46 | }; | ||
| 47 | |||
| 48 | ... | ||
| 49 | |||
| 50 | }; | ||
| @@ -0,0 +1,52 @@ | |||
| 1 | NXP LPC32xx SoC NAND SLC controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "nxp,lpc3220-slc" | ||
| 5 | - reg: Address and size of the controller | ||
| 6 | - nand-on-flash-bbt: Use bad block table on flash | ||
| 7 | - gpios: GPIO specification for NAND write protect | ||
| 8 | |||
| 9 | The following required properties are very controller specific. See the LPC32xx | ||
| 10 | User Manual: | ||
| 11 | - nxp,wdr-clks: Delay before Ready signal is tested on write (W_RDY) | ||
| 12 | - nxp,rdr-clks: Delay before Ready signal is tested on read (R_RDY) | ||
| 13 | (The following values are specified in Hz, to make them independent of actual | ||
| 14 | clock speed:) | ||
| 15 | - nxp,wwidth: Write pulse width (W_WIDTH) | ||
| 16 | - nxp,whold: Write hold time (W_HOLD) | ||
| 17 | - nxp,wsetup: Write setup time (W_SETUP) | ||
| 18 | - nxp,rwidth: Read pulse width (R_WIDTH) | ||
| 19 | - nxp,rhold: Read hold time (R_HOLD) | ||
| 20 | - nxp,rsetup: Read setup time (R_SETUP) | ||
| 21 | |||
| 22 | Optional subnodes: | ||
| 23 | - Partitions, see Documentation/devicetree/bindings/mtd/partition.txt | ||
| 24 | |||
| 25 | Example: | ||
| 26 | |||
| 27 | slc: flash@20020000 { | ||
| 28 | compatible = "nxp,lpc3220-slc"; | ||
| 29 | reg = <0x20020000 0x1000>; | ||
| 30 | #address-cells = <1>; | ||
| 31 | #size-cells = <1>; | ||
| 32 | |||
| 33 | nxp,wdr-clks = <14>; | ||
| 34 | nxp,wwidth = <40000000>; | ||
| 35 | nxp,whold = <100000000>; | ||
| 36 | nxp,wsetup = <100000000>; | ||
| 37 | nxp,rdr-clks = <14>; | ||
| 38 | nxp,rwidth = <40000000>; | ||
| 39 | nxp,rhold = <66666666>; | ||
| 40 | nxp,rsetup = <100000000>; | ||
| 41 | nand-on-flash-bbt; | ||
| 42 | gpios = <&gpio 5 19 1>; /* GPO_P3 19, active low */ | ||
| 43 | |||
| 44 | mtd0@00000000 { | ||
| 45 | label = "phy3250-boot"; | ||
| 46 | reg = <0x00000000 0x00064000>; | ||
| 47 | read-only; | ||
| 48 | }; | ||
| 49 | |||
| 50 | ... | ||
| 51 | |||
| 52 | }; | ||
| @@ -16,6 +16,13 @@ file systems on embedded devices. · 15 unmodified lines | |||
| 16 | - #address-cells, #size-cells : Must be present if the device has | 16 | - #address-cells, #size-cells : Must be present if the device has |
| 17 | sub-nodes representing partitions (see below). In this case | 17 | sub-nodes representing partitions (see below). In this case |
| 18 | both #address-cells and #size-cells must be equal to 1. | 18 | both #address-cells and #size-cells must be equal to 1. |
| 19 | - no-unaligned-direct-access: boolean to disable the default direct | ||
| 20 | mapping of the flash. | ||
| 21 | On some platforms (e.g. MPC5200) a direct 1:1 mapping may cause | ||
| 22 | problems with JFFS2 usage, as the local bus (LPB) doesn't support | ||
| 23 | unaligned accesses as implemented in the JFFS2 code via memcpy(). | ||
| 24 | By defining "no-unaligned-direct-access", the flash will not be | ||
| 25 | exposed directly to the MTD users (e.g. JFFS2) any more. | ||
| 19 | 26 | ||
| 20 | For JEDEC compatible devices, the following additional properties | 27 | For JEDEC compatible devices, the following additional properties |
| 21 | are defined: | 28 | are defined: |
| @@ -0,0 +1,31 @@ | |||
| 1 | PXA3xx NAND DT bindings | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | |||
| 5 | - compatible: Should be "marvell,pxa3xx-nand" | ||
| 6 | - reg: The register base for the controller | ||
| 7 | - interrupts: The interrupt to map | ||
| 8 | - #address-cells: Set to <1> if the node includes partitions | ||
| 9 | |||
| 10 | Optional properties: | ||
| 11 | |||
| 12 | - marvell,nand-enable-arbiter: Set to enable the bus arbiter | ||
| 13 | - marvell,nand-keep-config: Set to keep the NAND controller config as set | ||
| 14 | by the bootloader | ||
| 15 | - num-cs: Number of chipselect lines to usw | ||
| 16 | |||
| 17 | Example: | ||
| 18 | |||
| 19 | nand0: nand@43100000 { | ||
| 20 | compatible = "marvell,pxa3xx-nand"; | ||
| 21 | reg = <0x43100000 90>; | ||
| 22 | interrupts = <45>; | ||
| 23 | #address-cells = <1>; | ||
| 24 | |||
| 25 | marvell,nand-enable-arbiter; | ||
| 26 | marvell,nand-keep-config; | ||
| 27 | num-cs = <1>; | ||
| 28 | |||
| 29 | /* partitions (optional) */ | ||
| 30 | }; | ||
| 31 | |||
| @@ -6,6 +6,9 @@ Required properties: · 5 unmodified lines | |||
| 6 | - interrupts : Should contain 3 xgmac interrupts. The 1st is main interrupt. | 6 | - interrupts : Should contain 3 xgmac interrupts. The 1st is main interrupt. |
| 7 | The 2nd is pwr mgt interrupt. The 3rd is low power state interrupt. | 7 | The 2nd is pwr mgt interrupt. The 3rd is low power state interrupt. |
| 8 | 8 | ||
| 9 | Optional properties: | ||
| 10 | - dma-coherent : Present if dma operations are coherent | ||
| 11 | |||
| 9 | Example: | 12 | Example: |
| 10 | 13 | ||
| 11 | ethernet@fff50000 { | 14 | ethernet@fff50000 { |
| @@ -0,0 +1,49 @@ | |||
| 1 | Bosch C_CAN/D_CAN controller Device Tree Bindings | ||
| 2 | ------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : Should be "bosch,c_can" for C_CAN controllers and | ||
| 6 | "bosch,d_can" for D_CAN controllers. | ||
| 7 | - reg : physical base address and size of the C_CAN/D_CAN | ||
| 8 | registers map | ||
| 9 | - interrupts : property with a value describing the interrupt | ||
| 10 | number | ||
| 11 | |||
| 12 | Optional properties: | ||
| 13 | - ti,hwmods : Must be "d_can<n>" or "c_can<n>", n being the | ||
| 14 | instance number | ||
| 15 | |||
| 16 | Note: "ti,hwmods" field is used to fetch the base address and irq | ||
| 17 | resources from TI, omap hwmod data base during device registration. | ||
| 18 | Future plan is to migrate hwmod data base contents into device tree | ||
| 19 | blob so that, all the required data will be used from device tree dts | ||
| 20 | file. | ||
| 21 | |||
| 22 | Example: | ||
| 23 | |||
| 24 | Step1: SoC common .dtsi file | ||
| 25 | |||
| 26 | dcan1: d_can@481d0000 { | ||
| 27 | compatible = "bosch,d_can"; | ||
| 28 | reg = <0x481d0000 0x2000>; | ||
| 29 | interrupts = <55>; | ||
| 30 | interrupt-parent = <&intc>; | ||
| 31 | status = "disabled"; | ||
| 32 | }; | ||
| 33 | |||
| 34 | (or) | ||
| 35 | |||
| 36 | dcan1: d_can@481d0000 { | ||
| 37 | compatible = "bosch,d_can"; | ||
| 38 | ti,hwmods = "d_can1"; | ||
| 39 | reg = <0x481d0000 0x2000>; | ||
| 40 | interrupts = <55>; | ||
| 41 | interrupt-parent = <&intc>; | ||
| 42 | status = "disabled"; | ||
| 43 | }; | ||
| 44 | |||
| 45 | Step 2: board specific .dts file | ||
| 46 | |||
| 47 | &dcan1 { | ||
| 48 | status = "okay"; | ||
| 49 | }; | ||
| @@ -0,0 +1,109 @@ | |||
| 1 | TI SoC Ethernet Switch Controller Device Tree Bindings | ||
| 2 | ------------------------------------------------------ | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : Should be "ti,cpsw" | ||
| 6 | - reg : physical base address and size of the cpsw | ||
| 7 | registers map | ||
| 8 | - interrupts : property with a value describing the interrupt | ||
| 9 | number | ||
| 10 | - interrupt-parent : The parent interrupt controller | ||
| 11 | - cpdma_channels : Specifies number of channels in CPDMA | ||
| 12 | - host_port_no : Specifies host port shift | ||
| 13 | - cpdma_reg_ofs : Specifies CPDMA submodule register offset | ||
| 14 | - cpdma_sram_ofs : Specifies CPDMA SRAM offset | ||
| 15 | - ale_reg_ofs : Specifies ALE submodule register offset | ||
| 16 | - ale_entries : Specifies No of entries ALE can hold | ||
| 17 | - host_port_reg_ofs : Specifies host port register offset | ||
| 18 | - hw_stats_reg_ofs : Specifies hardware statistics register offset | ||
| 19 | - bd_ram_ofs : Specifies internal desciptor RAM offset | ||
| 20 | - bd_ram_size : Specifies internal descriptor RAM size | ||
| 21 | - rx_descs : Specifies number of Rx descriptors | ||
| 22 | - mac_control : Specifies Default MAC control register content | ||
| 23 | for the specific platform | ||
| 24 | - slaves : Specifies number for slaves | ||
| 25 | - slave_reg_ofs : Specifies slave register offset | ||
| 26 | - sliver_reg_ofs : Specifies slave sliver register offset | ||
| 27 | - phy_id : Specifies slave phy id | ||
| 28 | - mac-address : Specifies slave MAC address | ||
| 29 | |||
| 30 | Optional properties: | ||
| 31 | - ti,hwmods : Must be "cpgmac0" | ||
| 32 | - no_bd_ram : Must be 0 or 1 | ||
| 33 | |||
| 34 | Note: "ti,hwmods" field is used to fetch the base address and irq | ||
| 35 | resources from TI, omap hwmod data base during device registration. | ||
| 36 | Future plan is to migrate hwmod data base contents into device tree | ||
| 37 | blob so that, all the required data will be used from device tree dts | ||
| 38 | file. | ||
| 39 | |||
| 40 | Examples: | ||
| 41 | |||
| 42 | mac: ethernet@4A100000 { | ||
| 43 | compatible = "ti,cpsw"; | ||
| 44 | reg = <0x4A100000 0x1000>; | ||
| 45 | interrupts = <55 0x4>; | ||
| 46 | interrupt-parent = <&intc>; | ||
| 47 | cpdma_channels = <8>; | ||
| 48 | host_port_no = <0>; | ||
| 49 | cpdma_reg_ofs = <0x800>; | ||
| 50 | cpdma_sram_ofs = <0xa00>; | ||
| 51 | ale_reg_ofs = <0xd00>; | ||
| 52 | ale_entries = <1024>; | ||
| 53 | host_port_reg_ofs = <0x108>; | ||
| 54 | hw_stats_reg_ofs = <0x900>; | ||
| 55 | bd_ram_ofs = <0x2000>; | ||
| 56 | bd_ram_size = <0x2000>; | ||
| 57 | no_bd_ram = <0>; | ||
| 58 | rx_descs = <64>; | ||
| 59 | mac_control = <0x20>; | ||
| 60 | slaves = <2>; | ||
| 61 | cpsw_emac0: slave@0 { | ||
| 62 | slave_reg_ofs = <0x208>; | ||
| 63 | sliver_reg_ofs = <0xd80>; | ||
| 64 | phy_id = "davinci_mdio.16:00"; | ||
| 65 | /* Filled in by U-Boot */ | ||
| 66 | mac-address = [ 00 00 00 00 00 00 ]; | ||
| 67 | }; | ||
| 68 | cpsw_emac1: slave@1 { | ||
| 69 | slave_reg_ofs = <0x308>; | ||
| 70 | sliver_reg_ofs = <0xdc0>; | ||
| 71 | phy_id = "davinci_mdio.16:01"; | ||
| 72 | /* Filled in by U-Boot */ | ||
| 73 | mac-address = [ 00 00 00 00 00 00 ]; | ||
| 74 | }; | ||
| 75 | }; | ||
| 76 | |||
| 77 | (or) | ||
| 78 | mac: ethernet@4A100000 { | ||
| 79 | compatible = "ti,cpsw"; | ||
| 80 | ti,hwmods = "cpgmac0"; | ||
| 81 | cpdma_channels = <8>; | ||
| 82 | host_port_no = <0>; | ||
| 83 | cpdma_reg_ofs = <0x800>; | ||
| 84 | cpdma_sram_ofs = <0xa00>; | ||
| 85 | ale_reg_ofs = <0xd00>; | ||
| 86 | ale_entries = <1024>; | ||
| 87 | host_port_reg_ofs = <0x108>; | ||
| 88 | hw_stats_reg_ofs = <0x900>; | ||
| 89 | bd_ram_ofs = <0x2000>; | ||
| 90 | bd_ram_size = <0x2000>; | ||
| 91 | no_bd_ram = <0>; | ||
| 92 | rx_descs = <64>; | ||
| 93 | mac_control = <0x20>; | ||
| 94 | slaves = <2>; | ||
| 95 | cpsw_emac0: slave@0 { | ||
| 96 | slave_reg_ofs = <0x208>; | ||
| 97 | sliver_reg_ofs = <0xd80>; | ||
| 98 | phy_id = "davinci_mdio.16:00"; | ||
| 99 | /* Filled in by U-Boot */ | ||
| 100 | mac-address = [ 00 00 00 00 00 00 ]; | ||
| 101 | }; | ||
| 102 | cpsw_emac1: slave@1 { | ||
| 103 | slave_reg_ofs = <0x308>; | ||
| 104 | sliver_reg_ofs = <0xdc0>; | ||
| 105 | phy_id = "davinci_mdio.16:01"; | ||
| 106 | /* Filled in by U-Boot */ | ||
| 107 | mac-address = [ 00 00 00 00 00 00 ]; | ||
| 108 | }; | ||
| 109 | }; | ||
| @@ -0,0 +1,33 @@ | |||
| 1 | TI SoC Davinci MDIO Controller Device Tree Bindings | ||
| 2 | --------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : Should be "ti,davinci_mdio" | ||
| 6 | - reg : physical base address and size of the davinci mdio | ||
| 7 | registers map | ||
| 8 | - bus_freq : Mdio Bus frequency | ||
| 9 | |||
| 10 | Optional properties: | ||
| 11 | - ti,hwmods : Must be "davinci_mdio" | ||
| 12 | |||
| 13 | Note: "ti,hwmods" field is used to fetch the base address and irq | ||
| 14 | resources from TI, omap hwmod data base during device registration. | ||
| 15 | Future plan is to migrate hwmod data base contents into device tree | ||
| 16 | blob so that, all the required data will be used from device tree dts | ||
| 17 | file. | ||
| 18 | |||
| 19 | Examples: | ||
| 20 | |||
| 21 | mdio: davinci_mdio@4A101000 { | ||
| 22 | compatible = "ti,cpsw"; | ||
| 23 | reg = <0x4A101000 0x1000>; | ||
| 24 | bus_freq = <1000000>; | ||
| 25 | }; | ||
| 26 | |||
| 27 | (or) | ||
| 28 | |||
| 29 | mdio: davinci_mdio@4A101000 { | ||
| 30 | compatible = "ti,cpsw"; | ||
| 31 | ti,hwmods = "davinci_mdio"; | ||
| 32 | bus_freq = <1000000>; | ||
| 33 | }; | ||
| @@ -0,0 +1,75 @@ | |||
| 1 | Properties for an MDIO bus multiplexer controlled by a memory-mapped device | ||
| 2 | |||
| 3 | This is a special case of a MDIO bus multiplexer. A memory-mapped device, | ||
| 4 | like an FPGA, is used to control which child bus is connected. The mdio-mux | ||
| 5 | node must be a child of the memory-mapped device. The driver currently only | ||
| 6 | supports devices with eight-bit registers. | ||
| 7 | |||
| 8 | Required properties in addition to the generic multiplexer properties: | ||
| 9 | |||
| 10 | - compatible : string, must contain "mdio-mux-mmioreg" | ||
| 11 | |||
| 12 | - reg : integer, contains the offset of the register that controls the bus | ||
| 13 | multiplexer. The size field in the 'reg' property is the size of | ||
| 14 | register, and must therefore be 1. | ||
| 15 | |||
| 16 | - mux-mask : integer, contains an eight-bit mask that specifies which | ||
| 17 | bits in the register control the actual bus multiplexer. The | ||
| 18 | 'reg' property of each child mdio-mux node must be constrained by | ||
| 19 | this mask. | ||
| 20 | |||
| 21 | Example: | ||
| 22 | |||
| 23 | The FPGA node defines a memory-mapped FPGA with a register space of 0x30 bytes. | ||
| 24 | For the "EMI2" MDIO bus, register 9 (BRDCFG1) controls the mux on that bus. | ||
| 25 | A bitmask of 0x6 means that bits 1 and 2 (bit 0 is lsb) are the bits on | ||
| 26 | BRDCFG1 that control the actual mux. | ||
| 27 | |||
| 28 | /* The FPGA node */ | ||
| 29 | fpga: board-control@3,0 { | ||
| 30 | #address-cells = <1>; | ||
| 31 | #size-cells = <1>; | ||
| 32 | compatible = "fsl,p5020ds-fpga", "fsl,fpga-ngpixis"; | ||
| 33 | reg = <3 0 0x30>; | ||
| 34 | ranges = <0 3 0 0x30>; | ||
| 35 | |||
| 36 | mdio-mux-emi2 { | ||
| 37 | compatible = "mdio-mux-mmioreg", "mdio-mux"; | ||
| 38 | mdio-parent-bus = <&xmdio0>; | ||
| 39 | #address-cells = <1>; | ||
| 40 | #size-cells = <0>; | ||
| 41 | reg = <9 1>; // BRDCFG1 | ||
| 42 | mux-mask = <0x6>; // EMI2 | ||
| 43 | |||
| 44 | emi2_slot1: mdio@0 { // Slot 1 XAUI (FM2) | ||
| 45 | reg = <0>; | ||
| 46 | #address-cells = <1>; | ||
| 47 | #size-cells = <0>; | ||
| 48 | |||
| 49 | phy_xgmii_slot1: ethernet-phy@0 { | ||
| 50 | compatible = "ethernet-phy-ieee802.3-c45"; | ||
| 51 | reg = <4>; | ||
| 52 | }; | ||
| 53 | }; | ||
| 54 | |||
| 55 | emi2_slot2: mdio@2 { // Slot 2 XAUI (FM1) | ||
| 56 | reg = <2>; | ||
| 57 | #address-cells = <1>; | ||
| 58 | #size-cells = <0>; | ||
| 59 | |||
| 60 | phy_xgmii_slot2: ethernet-phy@4 { | ||
| 61 | compatible = "ethernet-phy-ieee802.3-c45"; | ||
| 62 | reg = <0>; | ||
| 63 | }; | ||
| 64 | }; | ||
| 65 | }; | ||
| 66 | }; | ||
| 67 | |||
| 68 | /* The parent MDIO bus. */ | ||
| 69 | xmdio0: mdio@f1000 { | ||
| 70 | #address-cells = <1>; | ||
| 71 | #size-cells = <0>; | ||
| 72 | compatible = "fsl,fman-xmdio"; | ||
| 73 | reg = <0xf1000 0x1000>; | ||
| 74 | interrupts = <100 1 0 0>; | ||
| 75 | }; | ||
| @@ -0,0 +1,74 @@ | |||
| 1 | Broadcom BCM2835 GPIO (and pinmux) controller | ||
| 2 | |||
| 3 | The BCM2835 GPIO module is a combined GPIO controller, (GPIO) interrupt | ||
| 4 | controller, and pinmux/control device. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "brcm,bcm2835-gpio" | ||
| 8 | - reg: Should contain the physical address of the GPIO module's registes. | ||
| 9 | - gpio-controller: Marks the device node as a GPIO controller. | ||
| 10 | - #gpio-cells : Should be two. The first cell is the pin number and the | ||
| 11 | second cell is used to specify optional parameters: | ||
| 12 | - bit 0 specifies polarity (0 for normal, 1 for inverted) | ||
| 13 | - interrupts : The interrupt outputs from the controller. One interrupt per | ||
| 14 | individual bank followed by the "all banks" interrupt. | ||
| 15 | - interrupt-controller: Marks the device node as an interrupt controller. | ||
| 16 | - #interrupt-cells : Should be 2. | ||
| 17 | The first cell is the GPIO number. | ||
| 18 | The second cell is used to specify flags: | ||
| 19 | bits[3:0] trigger type and level flags: | ||
| 20 | 1 = low-to-high edge triggered. | ||
| 21 | 2 = high-to-low edge triggered. | ||
| 22 | 4 = active high level-sensitive. | ||
| 23 | 8 = active low level-sensitive. | ||
| 24 | Valid combinations are 1, 2, 3, 4, 8. | ||
| 25 | |||
| 26 | Please refer to ../gpio/gpio.txt for a general description of GPIO bindings. | ||
| 27 | |||
| 28 | Please refer to pinctrl-bindings.txt in this directory for details of the | ||
| 29 | common pinctrl bindings used by client devices, including the meaning of the | ||
| 30 | phrase "pin configuration node". | ||
| 31 | |||
| 32 | Each pin configuration node lists the pin(s) to which it applies, and one or | ||
| 33 | more of the mux function to select on those pin(s), and pull-up/down | ||
| 34 | configuration. Each subnode only affects those parameters that are explicitly | ||
| 35 | listed. In other words, a subnode that lists only a mux function implies no | ||
| 36 | information about any pull configuration. Similarly, a subnode that lists only | ||
| 37 | a pul parameter implies no information about the mux function. | ||
| 38 | |||
| 39 | Required subnode-properties: | ||
| 40 | - brcm,pins: An array of cells. Each cell contains the ID of a pin. Valid IDs | ||
| 41 | are the integer GPIO IDs; 0==GPIO0, 1==GPIO1, ... 53==GPIO53. | ||
| 42 | |||
| 43 | Optional subnode-properties: | ||
| 44 | - brcm,function: Integer, containing the function to mux to the pin(s): | ||
| 45 | 0: GPIO in | ||
| 46 | 1: GPIO out | ||
| 47 | 2: alt5 | ||
| 48 | 3: alt4 | ||
| 49 | 4: alt0 | ||
| 50 | 5: alt1 | ||
| 51 | 6: alt2 | ||
| 52 | 7: alt3 | ||
| 53 | - brcm,pull: Integer, representing the pull-down/up to apply to the pin(s): | ||
| 54 | 0: none | ||
| 55 | 1: down | ||
| 56 | 2: up | ||
| 57 | |||
| 58 | Each of brcm,function and brcm,pull may contain either a single value which | ||
| 59 | will be applied to all pins in brcm,pins, or 1 value for each entry in | ||
| 60 | brcm,pins. | ||
| 61 | |||
| 62 | Example: | ||
| 63 | |||
| 64 | gpio: gpio { | ||
| 65 | compatible = "brcm,bcm2835-gpio"; | ||
| 66 | reg = <0x2200000 0xb4>; | ||
| 67 | interrupts = <2 17>, <2 19>, <2 18>, <2 20>; | ||
| 68 | |||
| 69 | gpio-controller; | ||
| 70 | #gpio-cells = <2>; | ||
| 71 | |||
| 72 | interrupt-controller; | ||
| 73 | #interrupt-cells = <2>; | ||
| 74 | }; | ||
| @@ -0,0 +1,984 @@ | |||
| 1 | * Freescale IMX35 IOMUX Controller | ||
| 2 | |||
| 3 | Please refer to fsl,imx-pinctrl.txt in this directory for common binding part | ||
| 4 | and usage. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "fsl,imx35-iomuxc" | ||
| 8 | - fsl,pins: two integers array, represents a group of pins mux and config | ||
| 9 | setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a | ||
| 10 | pin working on a specific function, CONFIG is the pad setting value like | ||
| 11 | pull-up for this pin. Please refer to imx35 datasheet for the valid pad | ||
| 12 | config settings. | ||
| 13 | |||
| 14 | CONFIG bits definition: | ||
| 15 | PAD_CTL_DRIVE_VOLAGAGE_18 (1 << 13) | ||
| 16 | PAD_CTL_DRIVE_VOLAGAGE_33 (0 << 13) | ||
| 17 | PAD_CTL_HYS (1 << 8) | ||
| 18 | PAD_CTL_PKE (1 << 7) | ||
| 19 | PAD_CTL_PUE (1 << 6) | ||
| 20 | PAD_CTL_PUS_100K_DOWN (0 << 4) | ||
| 21 | PAD_CTL_PUS_47K_UP (1 << 4) | ||
| 22 | PAD_CTL_PUS_100K_UP (2 << 4) | ||
| 23 | PAD_CTL_PUS_22K_UP (3 << 4) | ||
| 24 | PAD_CTL_ODE_CMOS (0 << 3) | ||
| 25 | PAD_CTL_ODE_OPENDRAIN (1 << 3) | ||
| 26 | PAD_CTL_DSE_NOMINAL (0 << 1) | ||
| 27 | PAD_CTL_DSE_HIGH (1 << 1) | ||
| 28 | PAD_CTL_DSE_MAX (2 << 1) | ||
| 29 | PAD_CTL_SRE_FAST (1 << 0) | ||
| 30 | PAD_CTL_SRE_SLOW (0 << 0) | ||
| 31 | |||
| 32 | See below for available PIN_FUNC_ID for imx35: | ||
| 33 | 0 MX35_PAD_CAPTURE__GPT_CAPIN1 | ||
| 34 | 1 MX35_PAD_CAPTURE__GPT_CMPOUT2 | ||
| 35 | 2 MX35_PAD_CAPTURE__CSPI2_SS1 | ||
| 36 | 3 MX35_PAD_CAPTURE__EPIT1_EPITO | ||
| 37 | 4 MX35_PAD_CAPTURE__CCM_CLK32K | ||
| 38 | 5 MX35_PAD_CAPTURE__GPIO1_4 | ||
| 39 | 6 MX35_PAD_COMPARE__GPT_CMPOUT1 | ||
| 40 | 7 MX35_PAD_COMPARE__GPT_CAPIN2 | ||
| 41 | 8 MX35_PAD_COMPARE__GPT_CMPOUT3 | ||
| 42 | 9 MX35_PAD_COMPARE__EPIT2_EPITO | ||
| 43 | 10 MX35_PAD_COMPARE__GPIO1_5 | ||
| 44 | 11 MX35_PAD_COMPARE__SDMA_EXTDMA_2 | ||
| 45 | 12 MX35_PAD_WDOG_RST__WDOG_WDOG_B | ||
| 46 | 13 MX35_PAD_WDOG_RST__IPU_FLASH_STROBE | ||
| 47 | 14 MX35_PAD_WDOG_RST__GPIO1_6 | ||
| 48 | 15 MX35_PAD_GPIO1_0__GPIO1_0 | ||
| 49 | 16 MX35_PAD_GPIO1_0__CCM_PMIC_RDY | ||
| 50 | 17 MX35_PAD_GPIO1_0__OWIRE_LINE | ||
| 51 | 18 MX35_PAD_GPIO1_0__SDMA_EXTDMA_0 | ||
| 52 | 19 MX35_PAD_GPIO1_1__GPIO1_1 | ||
| 53 | 20 MX35_PAD_GPIO1_1__PWM_PWMO | ||
| 54 | 21 MX35_PAD_GPIO1_1__CSPI1_SS2 | ||
| 55 | 22 MX35_PAD_GPIO1_1__SCC_TAMPER_DETECT | ||
| 56 | 23 MX35_PAD_GPIO1_1__SDMA_EXTDMA_1 | ||
| 57 | 24 MX35_PAD_GPIO2_0__GPIO2_0 | ||
| 58 | 25 MX35_PAD_GPIO2_0__USB_TOP_USBOTG_CLK | ||
| 59 | 26 MX35_PAD_GPIO3_0__GPIO3_0 | ||
| 60 | 27 MX35_PAD_GPIO3_0__USB_TOP_USBH2_CLK | ||
| 61 | 28 MX35_PAD_RESET_IN_B__CCM_RESET_IN_B | ||
| 62 | 29 MX35_PAD_POR_B__CCM_POR_B | ||
| 63 | 30 MX35_PAD_CLKO__CCM_CLKO | ||
| 64 | 31 MX35_PAD_CLKO__GPIO1_8 | ||
| 65 | 32 MX35_PAD_BOOT_MODE0__CCM_BOOT_MODE_0 | ||
| 66 | 33 MX35_PAD_BOOT_MODE1__CCM_BOOT_MODE_1 | ||
| 67 | 34 MX35_PAD_CLK_MODE0__CCM_CLK_MODE_0 | ||
| 68 | 35 MX35_PAD_CLK_MODE1__CCM_CLK_MODE_1 | ||
| 69 | 36 MX35_PAD_POWER_FAIL__CCM_DSM_WAKEUP_INT_26 | ||
| 70 | 37 MX35_PAD_VSTBY__CCM_VSTBY | ||
| 71 | 38 MX35_PAD_VSTBY__GPIO1_7 | ||
| 72 | 39 MX35_PAD_A0__EMI_EIM_DA_L_0 | ||
| 73 | 40 MX35_PAD_A1__EMI_EIM_DA_L_1 | ||
| 74 | 41 MX35_PAD_A2__EMI_EIM_DA_L_2 | ||
| 75 | 42 MX35_PAD_A3__EMI_EIM_DA_L_3 | ||
| 76 | 43 MX35_PAD_A4__EMI_EIM_DA_L_4 | ||
| 77 | 44 MX35_PAD_A5__EMI_EIM_DA_L_5 | ||
| 78 | 45 MX35_PAD_A6__EMI_EIM_DA_L_6 | ||
| 79 | 46 MX35_PAD_A7__EMI_EIM_DA_L_7 | ||
| 80 | 47 MX35_PAD_A8__EMI_EIM_DA_H_8 | ||
| 81 | 48 MX35_PAD_A9__EMI_EIM_DA_H_9 | ||
| 82 | 49 MX35_PAD_A10__EMI_EIM_DA_H_10 | ||
| 83 | 50 MX35_PAD_MA10__EMI_MA10 | ||
| 84 | 51 MX35_PAD_A11__EMI_EIM_DA_H_11 | ||
| 85 | 52 MX35_PAD_A12__EMI_EIM_DA_H_12 | ||
| 86 | 53 MX35_PAD_A13__EMI_EIM_DA_H_13 | ||
| 87 | 54 MX35_PAD_A14__EMI_EIM_DA_H2_14 | ||
| 88 | 55 MX35_PAD_A15__EMI_EIM_DA_H2_15 | ||
| 89 | 56 MX35_PAD_A16__EMI_EIM_A_16 | ||
| 90 | 57 MX35_PAD_A17__EMI_EIM_A_17 | ||
| 91 | 58 MX35_PAD_A18__EMI_EIM_A_18 | ||
| 92 | 59 MX35_PAD_A19__EMI_EIM_A_19 | ||
| 93 | 60 MX35_PAD_A20__EMI_EIM_A_20 | ||
| 94 | 61 MX35_PAD_A21__EMI_EIM_A_21 | ||
| 95 | 62 MX35_PAD_A22__EMI_EIM_A_22 | ||
| 96 | 63 MX35_PAD_A23__EMI_EIM_A_23 | ||
| 97 | 64 MX35_PAD_A24__EMI_EIM_A_24 | ||
| 98 | 65 MX35_PAD_A25__EMI_EIM_A_25 | ||
| 99 | 66 MX35_PAD_SDBA1__EMI_EIM_SDBA1 | ||
| 100 | 67 MX35_PAD_SDBA0__EMI_EIM_SDBA0 | ||
| 101 | 68 MX35_PAD_SD0__EMI_DRAM_D_0 | ||
| 102 | 69 MX35_PAD_SD1__EMI_DRAM_D_1 | ||
| 103 | 70 MX35_PAD_SD2__EMI_DRAM_D_2 | ||
| 104 | 71 MX35_PAD_SD3__EMI_DRAM_D_3 | ||
| 105 | 72 MX35_PAD_SD4__EMI_DRAM_D_4 | ||
| 106 | 73 MX35_PAD_SD5__EMI_DRAM_D_5 | ||
| 107 | 74 MX35_PAD_SD6__EMI_DRAM_D_6 | ||
| 108 | 75 MX35_PAD_SD7__EMI_DRAM_D_7 | ||
| 109 | 76 MX35_PAD_SD8__EMI_DRAM_D_8 | ||
| 110 | 77 MX35_PAD_SD9__EMI_DRAM_D_9 | ||
| 111 | 78 MX35_PAD_SD10__EMI_DRAM_D_10 | ||
| 112 | 79 MX35_PAD_SD11__EMI_DRAM_D_11 | ||
| 113 | 80 MX35_PAD_SD12__EMI_DRAM_D_12 | ||
| 114 | 81 MX35_PAD_SD13__EMI_DRAM_D_13 | ||
| 115 | 82 MX35_PAD_SD14__EMI_DRAM_D_14 | ||
| 116 | 83 MX35_PAD_SD15__EMI_DRAM_D_15 | ||
| 117 | 84 MX35_PAD_SD16__EMI_DRAM_D_16 | ||
| 118 | 85 MX35_PAD_SD17__EMI_DRAM_D_17 | ||
| 119 | 86 MX35_PAD_SD18__EMI_DRAM_D_18 | ||
| 120 | 87 MX35_PAD_SD19__EMI_DRAM_D_19 | ||
| 121 | 88 MX35_PAD_SD20__EMI_DRAM_D_20 | ||
| 122 | 89 MX35_PAD_SD21__EMI_DRAM_D_21 | ||
| 123 | 90 MX35_PAD_SD22__EMI_DRAM_D_22 | ||
| 124 | 91 MX35_PAD_SD23__EMI_DRAM_D_23 | ||
| 125 | 92 MX35_PAD_SD24__EMI_DRAM_D_24 | ||
| 126 | 93 MX35_PAD_SD25__EMI_DRAM_D_25 | ||
| 127 | 94 MX35_PAD_SD26__EMI_DRAM_D_26 | ||
| 128 | 95 MX35_PAD_SD27__EMI_DRAM_D_27 | ||
| 129 | 96 MX35_PAD_SD28__EMI_DRAM_D_28 | ||
| 130 | 97 MX35_PAD_SD29__EMI_DRAM_D_29 | ||
| 131 | 98 MX35_PAD_SD30__EMI_DRAM_D_30 | ||
| 132 | 99 MX35_PAD_SD31__EMI_DRAM_D_31 | ||
| 133 | 100 MX35_PAD_DQM0__EMI_DRAM_DQM_0 | ||
| 134 | 101 MX35_PAD_DQM1__EMI_DRAM_DQM_1 | ||
| 135 | 102 MX35_PAD_DQM2__EMI_DRAM_DQM_2 | ||
| 136 | 103 MX35_PAD_DQM3__EMI_DRAM_DQM_3 | ||
| 137 | 104 MX35_PAD_EB0__EMI_EIM_EB0_B | ||
| 138 | 105 MX35_PAD_EB1__EMI_EIM_EB1_B | ||
| 139 | 106 MX35_PAD_OE__EMI_EIM_OE | ||
| 140 | 107 MX35_PAD_CS0__EMI_EIM_CS0 | ||
| 141 | 108 MX35_PAD_CS1__EMI_EIM_CS1 | ||
| 142 | 109 MX35_PAD_CS1__EMI_NANDF_CE3 | ||
| 143 | 110 MX35_PAD_CS2__EMI_EIM_CS2 | ||
| 144 | 111 MX35_PAD_CS3__EMI_EIM_CS3 | ||
| 145 | 112 MX35_PAD_CS4__EMI_EIM_CS4 | ||
| 146 | 113 MX35_PAD_CS4__EMI_DTACK_B | ||
| 147 | 114 MX35_PAD_CS4__EMI_NANDF_CE1 | ||
| 148 | 115 MX35_PAD_CS4__GPIO1_20 | ||
| 149 | 116 MX35_PAD_CS5__EMI_EIM_CS5 | ||
| 150 | 117 MX35_PAD_CS5__CSPI2_SS2 | ||
| 151 | 118 MX35_PAD_CS5__CSPI1_SS2 | ||
| 152 | 119 MX35_PAD_CS5__EMI_NANDF_CE2 | ||
| 153 | 120 MX35_PAD_CS5__GPIO1_21 | ||
| 154 | 121 MX35_PAD_NF_CE0__EMI_NANDF_CE0 | ||
| 155 | 122 MX35_PAD_NF_CE0__GPIO1_22 | ||
| 156 | 123 MX35_PAD_ECB__EMI_EIM_ECB | ||
| 157 | 124 MX35_PAD_LBA__EMI_EIM_LBA | ||
| 158 | 125 MX35_PAD_BCLK__EMI_EIM_BCLK | ||
| 159 | 126 MX35_PAD_RW__EMI_EIM_RW | ||
| 160 | 127 MX35_PAD_RAS__EMI_DRAM_RAS | ||
| 161 | 128 MX35_PAD_CAS__EMI_DRAM_CAS | ||
| 162 | 129 MX35_PAD_SDWE__EMI_DRAM_SDWE | ||
| 163 | 130 MX35_PAD_SDCKE0__EMI_DRAM_SDCKE_0 | ||
| 164 | 131 MX35_PAD_SDCKE1__EMI_DRAM_SDCKE_1 | ||
| 165 | 132 MX35_PAD_SDCLK__EMI_DRAM_SDCLK | ||
| 166 | 133 MX35_PAD_SDQS0__EMI_DRAM_SDQS_0 | ||
| 167 | 134 MX35_PAD_SDQS1__EMI_DRAM_SDQS_1 | ||
| 168 | 135 MX35_PAD_SDQS2__EMI_DRAM_SDQS_2 | ||
| 169 | 136 MX35_PAD_SDQS3__EMI_DRAM_SDQS_3 | ||
| 170 | 137 MX35_PAD_NFWE_B__EMI_NANDF_WE_B | ||
| 171 | 138 MX35_PAD_NFWE_B__USB_TOP_USBH2_DATA_3 | ||
| 172 | 139 MX35_PAD_NFWE_B__IPU_DISPB_D0_VSYNC | ||
| 173 | 140 MX35_PAD_NFWE_B__GPIO2_18 | ||
| 174 | 141 MX35_PAD_NFWE_B__ARM11P_TOP_TRACE_0 | ||
| 175 | 142 MX35_PAD_NFRE_B__EMI_NANDF_RE_B | ||
| 176 | 143 MX35_PAD_NFRE_B__USB_TOP_USBH2_DIR | ||
| 177 | 144 MX35_PAD_NFRE_B__IPU_DISPB_BCLK | ||
| 178 | 145 MX35_PAD_NFRE_B__GPIO2_19 | ||
| 179 | 146 MX35_PAD_NFRE_B__ARM11P_TOP_TRACE_1 | ||
| 180 | 147 MX35_PAD_NFALE__EMI_NANDF_ALE | ||
| 181 | 148 MX35_PAD_NFALE__USB_TOP_USBH2_STP | ||
| 182 | 149 MX35_PAD_NFALE__IPU_DISPB_CS0 | ||
| 183 | 150 MX35_PAD_NFALE__GPIO2_20 | ||
| 184 | 151 MX35_PAD_NFALE__ARM11P_TOP_TRACE_2 | ||
| 185 | 152 MX35_PAD_NFCLE__EMI_NANDF_CLE | ||
| 186 | 153 MX35_PAD_NFCLE__USB_TOP_USBH2_NXT | ||
| 187 | 154 MX35_PAD_NFCLE__IPU_DISPB_PAR_RS | ||
| 188 | 155 MX35_PAD_NFCLE__GPIO2_21 | ||
| 189 | 156 MX35_PAD_NFCLE__ARM11P_TOP_TRACE_3 | ||
| 190 | 157 MX35_PAD_NFWP_B__EMI_NANDF_WP_B | ||
| 191 | 158 MX35_PAD_NFWP_B__USB_TOP_USBH2_DATA_7 | ||
| 192 | 159 MX35_PAD_NFWP_B__IPU_DISPB_WR | ||
| 193 | 160 MX35_PAD_NFWP_B__GPIO2_22 | ||
| 194 | 161 MX35_PAD_NFWP_B__ARM11P_TOP_TRCTL | ||
| 195 | 162 MX35_PAD_NFRB__EMI_NANDF_RB | ||
| 196 | 163 MX35_PAD_NFRB__IPU_DISPB_RD | ||
| 197 | 164 MX35_PAD_NFRB__GPIO2_23 | ||
| 198 | 165 MX35_PAD_NFRB__ARM11P_TOP_TRCLK | ||
| 199 | 166 MX35_PAD_D15__EMI_EIM_D_15 | ||
| 200 | 167 MX35_PAD_D14__EMI_EIM_D_14 | ||
| 201 | 168 MX35_PAD_D13__EMI_EIM_D_13 | ||
| 202 | 169 MX35_PAD_D12__EMI_EIM_D_12 | ||
| 203 | 170 MX35_PAD_D11__EMI_EIM_D_11 | ||
| 204 | 171 MX35_PAD_D10__EMI_EIM_D_10 | ||
| 205 | 172 MX35_PAD_D9__EMI_EIM_D_9 | ||
| 206 | 173 MX35_PAD_D8__EMI_EIM_D_8 | ||
| 207 | 174 MX35_PAD_D7__EMI_EIM_D_7 | ||
| 208 | 175 MX35_PAD_D6__EMI_EIM_D_6 | ||
| 209 | 176 MX35_PAD_D5__EMI_EIM_D_5 | ||
| 210 | 177 MX35_PAD_D4__EMI_EIM_D_4 | ||
| 211 | 178 MX35_PAD_D3__EMI_EIM_D_3 | ||
| 212 | 179 MX35_PAD_D2__EMI_EIM_D_2 | ||
| 213 | 180 MX35_PAD_D1__EMI_EIM_D_1 | ||
| 214 | 181 MX35_PAD_D0__EMI_EIM_D_0 | ||
| 215 | 182 MX35_PAD_CSI_D8__IPU_CSI_D_8 | ||
| 216 | 183 MX35_PAD_CSI_D8__KPP_COL_0 | ||
| 217 | 184 MX35_PAD_CSI_D8__GPIO1_20 | ||
| 218 | 185 MX35_PAD_CSI_D8__ARM11P_TOP_EVNTBUS_13 | ||
| 219 | 186 MX35_PAD_CSI_D9__IPU_CSI_D_9 | ||
| 220 | 187 MX35_PAD_CSI_D9__KPP_COL_1 | ||
| 221 | 188 MX35_PAD_CSI_D9__GPIO1_21 | ||
| 222 | 189 MX35_PAD_CSI_D9__ARM11P_TOP_EVNTBUS_14 | ||
| 223 | 190 MX35_PAD_CSI_D10__IPU_CSI_D_10 | ||
| 224 | 191 MX35_PAD_CSI_D10__KPP_COL_2 | ||
| 225 | 192 MX35_PAD_CSI_D10__GPIO1_22 | ||
| 226 | 193 MX35_PAD_CSI_D10__ARM11P_TOP_EVNTBUS_15 | ||
| 227 | 194 MX35_PAD_CSI_D11__IPU_CSI_D_11 | ||
| 228 | 195 MX35_PAD_CSI_D11__KPP_COL_3 | ||
| 229 | 196 MX35_PAD_CSI_D11__GPIO1_23 | ||
| 230 | 197 MX35_PAD_CSI_D12__IPU_CSI_D_12 | ||
| 231 | 198 MX35_PAD_CSI_D12__KPP_ROW_0 | ||
| 232 | 199 MX35_PAD_CSI_D12__GPIO1_24 | ||
| 233 | 200 MX35_PAD_CSI_D13__IPU_CSI_D_13 | ||
| 234 | 201 MX35_PAD_CSI_D13__KPP_ROW_1 | ||
| 235 | 202 MX35_PAD_CSI_D13__GPIO1_25 | ||
| 236 | 203 MX35_PAD_CSI_D14__IPU_CSI_D_14 | ||
| 237 | 204 MX35_PAD_CSI_D14__KPP_ROW_2 | ||
| 238 | 205 MX35_PAD_CSI_D14__GPIO1_26 | ||
| 239 | 206 MX35_PAD_CSI_D15__IPU_CSI_D_15 | ||
| 240 | 207 MX35_PAD_CSI_D15__KPP_ROW_3 | ||
| 241 | 208 MX35_PAD_CSI_D15__GPIO1_27 | ||
| 242 | 209 MX35_PAD_CSI_MCLK__IPU_CSI_MCLK | ||
| 243 | 210 MX35_PAD_CSI_MCLK__GPIO1_28 | ||
| 244 | 211 MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC | ||
| 245 | 212 MX35_PAD_CSI_VSYNC__GPIO1_29 | ||
| 246 | 213 MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC | ||
| 247 | 214 MX35_PAD_CSI_HSYNC__GPIO1_30 | ||
| 248 | 215 MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK | ||
| 249 | 216 MX35_PAD_CSI_PIXCLK__GPIO1_31 | ||
| 250 | 217 MX35_PAD_I2C1_CLK__I2C1_SCL | ||
| 251 | 218 MX35_PAD_I2C1_CLK__GPIO2_24 | ||
| 252 | 219 MX35_PAD_I2C1_CLK__CCM_USB_BYP_CLK | ||
| 253 | 220 MX35_PAD_I2C1_DAT__I2C1_SDA | ||
| 254 | 221 MX35_PAD_I2C1_DAT__GPIO2_25 | ||
| 255 | 222 MX35_PAD_I2C2_CLK__I2C2_SCL | ||
| 256 | 223 MX35_PAD_I2C2_CLK__CAN1_TXCAN | ||
| 257 | 224 MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR | ||
| 258 | 225 MX35_PAD_I2C2_CLK__GPIO2_26 | ||
| 259 | 226 MX35_PAD_I2C2_CLK__SDMA_DEBUG_BUS_DEVICE_2 | ||
| 260 | 227 MX35_PAD_I2C2_DAT__I2C2_SDA | ||
| 261 | 228 MX35_PAD_I2C2_DAT__CAN1_RXCAN | ||
| 262 | 229 MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC | ||
| 263 | 230 MX35_PAD_I2C2_DAT__GPIO2_27 | ||
| 264 | 231 MX35_PAD_I2C2_DAT__SDMA_DEBUG_BUS_DEVICE_3 | ||
| 265 | 232 MX35_PAD_STXD4__AUDMUX_AUD4_TXD | ||
| 266 | 233 MX35_PAD_STXD4__GPIO2_28 | ||
| 267 | 234 MX35_PAD_STXD4__ARM11P_TOP_ARM_COREASID0 | ||
| 268 | 235 MX35_PAD_SRXD4__AUDMUX_AUD4_RXD | ||
| 269 | 236 MX35_PAD_SRXD4__GPIO2_29 | ||
| 270 | 237 MX35_PAD_SRXD4__ARM11P_TOP_ARM_COREASID1 | ||
| 271 | 238 MX35_PAD_SCK4__AUDMUX_AUD4_TXC | ||
| 272 | 239 MX35_PAD_SCK4__GPIO2_30 | ||
| 273 | 240 MX35_PAD_SCK4__ARM11P_TOP_ARM_COREASID2 | ||
| 274 | 241 MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS | ||
| 275 | 242 MX35_PAD_STXFS4__GPIO2_31 | ||
| 276 | 243 MX35_PAD_STXFS4__ARM11P_TOP_ARM_COREASID3 | ||
| 277 | 244 MX35_PAD_STXD5__AUDMUX_AUD5_TXD | ||
| 278 | 245 MX35_PAD_STXD5__SPDIF_SPDIF_OUT1 | ||
| 279 | 246 MX35_PAD_STXD5__CSPI2_MOSI | ||
| 280 | 247 MX35_PAD_STXD5__GPIO1_0 | ||
| 281 | 248 MX35_PAD_STXD5__ARM11P_TOP_ARM_COREASID4 | ||
| 282 | 249 MX35_PAD_SRXD5__AUDMUX_AUD5_RXD | ||
| 283 | 250 MX35_PAD_SRXD5__SPDIF_SPDIF_IN1 | ||
| 284 | 251 MX35_PAD_SRXD5__CSPI2_MISO | ||
| 285 | 252 MX35_PAD_SRXD5__GPIO1_1 | ||
| 286 | 253 MX35_PAD_SRXD5__ARM11P_TOP_ARM_COREASID5 | ||
| 287 | 254 MX35_PAD_SCK5__AUDMUX_AUD5_TXC | ||
| 288 | 255 MX35_PAD_SCK5__SPDIF_SPDIF_EXTCLK | ||
| 289 | 256 MX35_PAD_SCK5__CSPI2_SCLK | ||
| 290 | 257 MX35_PAD_SCK5__GPIO1_2 | ||
| 291 | 258 MX35_PAD_SCK5__ARM11P_TOP_ARM_COREASID6 | ||
| 292 | 259 MX35_PAD_STXFS5__AUDMUX_AUD5_TXFS | ||
| 293 | 260 MX35_PAD_STXFS5__CSPI2_RDY | ||
| 294 | 261 MX35_PAD_STXFS5__GPIO1_3 | ||
| 295 | 262 MX35_PAD_STXFS5__ARM11P_TOP_ARM_COREASID7 | ||
| 296 | 263 MX35_PAD_SCKR__ESAI_SCKR | ||
| 297 | 264 MX35_PAD_SCKR__GPIO1_4 | ||
| 298 | 265 MX35_PAD_SCKR__ARM11P_TOP_EVNTBUS_10 | ||
| 299 | 266 MX35_PAD_FSR__ESAI_FSR | ||
| 300 | 267 MX35_PAD_FSR__GPIO1_5 | ||
| 301 | 268 MX35_PAD_FSR__ARM11P_TOP_EVNTBUS_11 | ||
| 302 | 269 MX35_PAD_HCKR__ESAI_HCKR | ||
| 303 | 270 MX35_PAD_HCKR__AUDMUX_AUD5_RXFS | ||
| 304 | 271 MX35_PAD_HCKR__CSPI2_SS0 | ||
| 305 | 272 MX35_PAD_HCKR__IPU_FLASH_STROBE | ||
| 306 | 273 MX35_PAD_HCKR__GPIO1_6 | ||
| 307 | 274 MX35_PAD_HCKR__ARM11P_TOP_EVNTBUS_12 | ||
| 308 | 275 MX35_PAD_SCKT__ESAI_SCKT | ||
| 309 | 276 MX35_PAD_SCKT__GPIO1_7 | ||
| 310 | 277 MX35_PAD_SCKT__IPU_CSI_D_0 | ||
| 311 | 278 MX35_PAD_SCKT__KPP_ROW_2 | ||
| 312 | 279 MX35_PAD_FST__ESAI_FST | ||
| 313 | 280 MX35_PAD_FST__GPIO1_8 | ||
| 314 | 281 MX35_PAD_FST__IPU_CSI_D_1 | ||
| 315 | 282 MX35_PAD_FST__KPP_ROW_3 | ||
| 316 | 283 MX35_PAD_HCKT__ESAI_HCKT | ||
| 317 | 284 MX35_PAD_HCKT__AUDMUX_AUD5_RXC | ||
| 318 | 285 MX35_PAD_HCKT__GPIO1_9 | ||
| 319 | 286 MX35_PAD_HCKT__IPU_CSI_D_2 | ||
| 320 | 287 MX35_PAD_HCKT__KPP_COL_3 | ||
| 321 | 288 MX35_PAD_TX5_RX0__ESAI_TX5_RX0 | ||
| 322 | 289 MX35_PAD_TX5_RX0__AUDMUX_AUD4_RXC | ||
| 323 | 290 MX35_PAD_TX5_RX0__CSPI2_SS2 | ||
| 324 | 291 MX35_PAD_TX5_RX0__CAN2_TXCAN | ||
| 325 | 292 MX35_PAD_TX5_RX0__UART2_DTR | ||
| 326 | 293 MX35_PAD_TX5_RX0__GPIO1_10 | ||
| 327 | 294 MX35_PAD_TX5_RX0__EMI_M3IF_CHOSEN_MASTER_0 | ||
| 328 | 295 MX35_PAD_TX4_RX1__ESAI_TX4_RX1 | ||
| 329 | 296 MX35_PAD_TX4_RX1__AUDMUX_AUD4_RXFS | ||
| 330 | 297 MX35_PAD_TX4_RX1__CSPI2_SS3 | ||
| 331 | 298 MX35_PAD_TX4_RX1__CAN2_RXCAN | ||
| 332 | 299 MX35_PAD_TX4_RX1__UART2_DSR | ||
| 333 | 300 MX35_PAD_TX4_RX1__GPIO1_11 | ||
| 334 | 301 MX35_PAD_TX4_RX1__IPU_CSI_D_3 | ||
| 335 | 302 MX35_PAD_TX4_RX1__KPP_ROW_0 | ||
| 336 | 303 MX35_PAD_TX3_RX2__ESAI_TX3_RX2 | ||
| 337 | 304 MX35_PAD_TX3_RX2__I2C3_SCL | ||
| 338 | 305 MX35_PAD_TX3_RX2__EMI_NANDF_CE1 | ||
| 339 | 306 MX35_PAD_TX3_RX2__GPIO1_12 | ||
| 340 | 307 MX35_PAD_TX3_RX2__IPU_CSI_D_4 | ||
| 341 | 308 MX35_PAD_TX3_RX2__KPP_ROW_1 | ||
| 342 | 309 MX35_PAD_TX2_RX3__ESAI_TX2_RX3 | ||
| 343 | 310 MX35_PAD_TX2_RX3__I2C3_SDA | ||
| 344 | 311 MX35_PAD_TX2_RX3__EMI_NANDF_CE2 | ||
| 345 | 312 MX35_PAD_TX2_RX3__GPIO1_13 | ||
| 346 | 313 MX35_PAD_TX2_RX3__IPU_CSI_D_5 | ||
| 347 | 314 MX35_PAD_TX2_RX3__KPP_COL_0 | ||
| 348 | 315 MX35_PAD_TX1__ESAI_TX1 | ||
| 349 | 316 MX35_PAD_TX1__CCM_PMIC_RDY | ||
| 350 | 317 MX35_PAD_TX1__CSPI1_SS2 | ||
| 351 | 318 MX35_PAD_TX1__EMI_NANDF_CE3 | ||
| 352 | 319 MX35_PAD_TX1__UART2_RI | ||
| 353 | 320 MX35_PAD_TX1__GPIO1_14 | ||
| 354 | 321 MX35_PAD_TX1__IPU_CSI_D_6 | ||
| 355 | 322 MX35_PAD_TX1__KPP_COL_1 | ||
| 356 | 323 MX35_PAD_TX0__ESAI_TX0 | ||
| 357 | 324 MX35_PAD_TX0__SPDIF_SPDIF_EXTCLK | ||
| 358 | 325 MX35_PAD_TX0__CSPI1_SS3 | ||
| 359 | 326 MX35_PAD_TX0__EMI_DTACK_B | ||
| 360 | 327 MX35_PAD_TX0__UART2_DCD | ||
| 361 | 328 MX35_PAD_TX0__GPIO1_15 | ||
| 362 | 329 MX35_PAD_TX0__IPU_CSI_D_7 | ||
| 363 | 330 MX35_PAD_TX0__KPP_COL_2 | ||
| 364 | 331 MX35_PAD_CSPI1_MOSI__CSPI1_MOSI | ||
| 365 | 332 MX35_PAD_CSPI1_MOSI__GPIO1_16 | ||
| 366 | 333 MX35_PAD_CSPI1_MOSI__ECT_CTI_TRIG_OUT1_2 | ||
| 367 | 334 MX35_PAD_CSPI1_MISO__CSPI1_MISO | ||
| 368 | 335 MX35_PAD_CSPI1_MISO__GPIO1_17 | ||
| 369 | 336 MX35_PAD_CSPI1_MISO__ECT_CTI_TRIG_OUT1_3 | ||
| 370 | 337 MX35_PAD_CSPI1_SS0__CSPI1_SS0 | ||
| 371 | 338 MX35_PAD_CSPI1_SS0__OWIRE_LINE | ||
| 372 | 339 MX35_PAD_CSPI1_SS0__CSPI2_SS3 | ||
| 373 | 340 MX35_PAD_CSPI1_SS0__GPIO1_18 | ||
| 374 | 341 MX35_PAD_CSPI1_SS0__ECT_CTI_TRIG_OUT1_4 | ||
| 375 | 342 MX35_PAD_CSPI1_SS1__CSPI1_SS1 | ||
| 376 | 343 MX35_PAD_CSPI1_SS1__PWM_PWMO | ||
| 377 | 344 MX35_PAD_CSPI1_SS1__CCM_CLK32K | ||
| 378 | 345 MX35_PAD_CSPI1_SS1__GPIO1_19 | ||
| 379 | 346 MX35_PAD_CSPI1_SS1__IPU_DIAGB_29 | ||
| 380 | 347 MX35_PAD_CSPI1_SS1__ECT_CTI_TRIG_OUT1_5 | ||
| 381 | 348 MX35_PAD_CSPI1_SCLK__CSPI1_SCLK | ||
| 382 | 349 MX35_PAD_CSPI1_SCLK__GPIO3_4 | ||
| 383 | 350 MX35_PAD_CSPI1_SCLK__IPU_DIAGB_30 | ||
| 384 | 351 MX35_PAD_CSPI1_SCLK__EMI_M3IF_CHOSEN_MASTER_1 | ||
| 385 | 352 MX35_PAD_CSPI1_SPI_RDY__CSPI1_RDY | ||
| 386 | 353 MX35_PAD_CSPI1_SPI_RDY__GPIO3_5 | ||
| 387 | 354 MX35_PAD_CSPI1_SPI_RDY__IPU_DIAGB_31 | ||
| 388 | 355 MX35_PAD_CSPI1_SPI_RDY__EMI_M3IF_CHOSEN_MASTER_2 | ||
| 389 | 356 MX35_PAD_RXD1__UART1_RXD_MUX | ||
| 390 | 357 MX35_PAD_RXD1__CSPI2_MOSI | ||
| 391 | 358 MX35_PAD_RXD1__KPP_COL_4 | ||
| 392 | 359 MX35_PAD_RXD1__GPIO3_6 | ||
| 393 | 360 MX35_PAD_RXD1__ARM11P_TOP_EVNTBUS_16 | ||
| 394 | 361 MX35_PAD_TXD1__UART1_TXD_MUX | ||
| 395 | 362 MX35_PAD_TXD1__CSPI2_MISO | ||
| 396 | 363 MX35_PAD_TXD1__KPP_COL_5 | ||
| 397 | 364 MX35_PAD_TXD1__GPIO3_7 | ||
| 398 | 365 MX35_PAD_TXD1__ARM11P_TOP_EVNTBUS_17 | ||
| 399 | 366 MX35_PAD_RTS1__UART1_RTS | ||
| 400 | 367 MX35_PAD_RTS1__CSPI2_SCLK | ||
| 401 | 368 MX35_PAD_RTS1__I2C3_SCL | ||
| 402 | 369 MX35_PAD_RTS1__IPU_CSI_D_0 | ||
| 403 | 370 MX35_PAD_RTS1__KPP_COL_6 | ||
| 404 | 371 MX35_PAD_RTS1__GPIO3_8 | ||
| 405 | 372 MX35_PAD_RTS1__EMI_NANDF_CE1 | ||
| 406 | 373 MX35_PAD_RTS1__ARM11P_TOP_EVNTBUS_18 | ||
| 407 | 374 MX35_PAD_CTS1__UART1_CTS | ||
| 408 | 375 MX35_PAD_CTS1__CSPI2_RDY | ||
| 409 | 376 MX35_PAD_CTS1__I2C3_SDA | ||
| 410 | 377 MX35_PAD_CTS1__IPU_CSI_D_1 | ||
| 411 | 378 MX35_PAD_CTS1__KPP_COL_7 | ||
| 412 | 379 MX35_PAD_CTS1__GPIO3_9 | ||
| 413 | 380 MX35_PAD_CTS1__EMI_NANDF_CE2 | ||
| 414 | 381 MX35_PAD_CTS1__ARM11P_TOP_EVNTBUS_19 | ||
| 415 | 382 MX35_PAD_RXD2__UART2_RXD_MUX | ||
| 416 | 383 MX35_PAD_RXD2__KPP_ROW_4 | ||
| 417 | 384 MX35_PAD_RXD2__GPIO3_10 | ||
| 418 | 385 MX35_PAD_TXD2__UART2_TXD_MUX | ||
| 419 | 386 MX35_PAD_TXD2__SPDIF_SPDIF_EXTCLK | ||
| 420 | 387 MX35_PAD_TXD2__KPP_ROW_5 | ||
| 421 | 388 MX35_PAD_TXD2__GPIO3_11 | ||
| 422 | 389 MX35_PAD_RTS2__UART2_RTS | ||
| 423 | 390 MX35_PAD_RTS2__SPDIF_SPDIF_IN1 | ||
| 424 | 391 MX35_PAD_RTS2__CAN2_RXCAN | ||
| 425 | 392 MX35_PAD_RTS2__IPU_CSI_D_2 | ||
| 426 | 393 MX35_PAD_RTS2__KPP_ROW_6 | ||
| 427 | 394 MX35_PAD_RTS2__GPIO3_12 | ||
| 428 | 395 MX35_PAD_RTS2__AUDMUX_AUD5_RXC | ||
| 429 | 396 MX35_PAD_RTS2__UART3_RXD_MUX | ||
| 430 | 397 MX35_PAD_CTS2__UART2_CTS | ||
| 431 | 398 MX35_PAD_CTS2__SPDIF_SPDIF_OUT1 | ||
| 432 | 399 MX35_PAD_CTS2__CAN2_TXCAN | ||
| 433 | 400 MX35_PAD_CTS2__IPU_CSI_D_3 | ||
| 434 | 401 MX35_PAD_CTS2__KPP_ROW_7 | ||
| 435 | 402 MX35_PAD_CTS2__GPIO3_13 | ||
| 436 | 403 MX35_PAD_CTS2__AUDMUX_AUD5_RXFS | ||
| 437 | 404 MX35_PAD_CTS2__UART3_TXD_MUX | ||
| 438 | 405 MX35_PAD_RTCK__ARM11P_TOP_RTCK | ||
| 439 | 406 MX35_PAD_TCK__SJC_TCK | ||
| 440 | 407 MX35_PAD_TMS__SJC_TMS | ||
| 441 | 408 MX35_PAD_TDI__SJC_TDI | ||
| 442 | 409 MX35_PAD_TDO__SJC_TDO | ||
| 443 | 410 MX35_PAD_TRSTB__SJC_TRSTB | ||
| 444 | 411 MX35_PAD_DE_B__SJC_DE_B | ||
| 445 | 412 MX35_PAD_SJC_MOD__SJC_MOD | ||
| 446 | 413 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR | ||
| 447 | 414 MX35_PAD_USBOTG_PWR__USB_TOP_USBH2_PWR | ||
| 448 | 415 MX35_PAD_USBOTG_PWR__GPIO3_14 | ||
| 449 | 416 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC | ||
| 450 | 417 MX35_PAD_USBOTG_OC__USB_TOP_USBH2_OC | ||
| 451 | 418 MX35_PAD_USBOTG_OC__GPIO3_15 | ||
| 452 | 419 MX35_PAD_LD0__IPU_DISPB_DAT_0 | ||
| 453 | 420 MX35_PAD_LD0__GPIO2_0 | ||
| 454 | 421 MX35_PAD_LD0__SDMA_SDMA_DEBUG_PC_0 | ||
| 455 | 422 MX35_PAD_LD1__IPU_DISPB_DAT_1 | ||
| 456 | 423 MX35_PAD_LD1__GPIO2_1 | ||
| 457 | 424 MX35_PAD_LD1__SDMA_SDMA_DEBUG_PC_1 | ||
| 458 | 425 MX35_PAD_LD2__IPU_DISPB_DAT_2 | ||
| 459 | 426 MX35_PAD_LD2__GPIO2_2 | ||
| 460 | 427 MX35_PAD_LD2__SDMA_SDMA_DEBUG_PC_2 | ||
| 461 | 428 MX35_PAD_LD3__IPU_DISPB_DAT_3 | ||
| 462 | 429 MX35_PAD_LD3__GPIO2_3 | ||
| 463 | 430 MX35_PAD_LD3__SDMA_SDMA_DEBUG_PC_3 | ||
| 464 | 431 MX35_PAD_LD4__IPU_DISPB_DAT_4 | ||
| 465 | 432 MX35_PAD_LD4__GPIO2_4 | ||
| 466 | 433 MX35_PAD_LD4__SDMA_SDMA_DEBUG_PC_4 | ||
| 467 | 434 MX35_PAD_LD5__IPU_DISPB_DAT_5 | ||
| 468 | 435 MX35_PAD_LD5__GPIO2_5 | ||
| 469 | 436 MX35_PAD_LD5__SDMA_SDMA_DEBUG_PC_5 | ||
| 470 | 437 MX35_PAD_LD6__IPU_DISPB_DAT_6 | ||
| 471 | 438 MX35_PAD_LD6__GPIO2_6 | ||
| 472 | 439 MX35_PAD_LD6__SDMA_SDMA_DEBUG_PC_6 | ||
| 473 | 440 MX35_PAD_LD7__IPU_DISPB_DAT_7 | ||
| 474 | 441 MX35_PAD_LD7__GPIO2_7 | ||
| 475 | 442 MX35_PAD_LD7__SDMA_SDMA_DEBUG_PC_7 | ||
| 476 | 443 MX35_PAD_LD8__IPU_DISPB_DAT_8 | ||
| 477 | 444 MX35_PAD_LD8__GPIO2_8 | ||
| 478 | 445 MX35_PAD_LD8__SDMA_SDMA_DEBUG_PC_8 | ||
| 479 | 446 MX35_PAD_LD9__IPU_DISPB_DAT_9 | ||
| 480 | 447 MX35_PAD_LD9__GPIO2_9 | ||
| 481 | 448 MX35_PAD_LD9__SDMA_SDMA_DEBUG_PC_9 | ||
| 482 | 449 MX35_PAD_LD10__IPU_DISPB_DAT_10 | ||
| 483 | 450 MX35_PAD_LD10__GPIO2_10 | ||
| 484 | 451 MX35_PAD_LD10__SDMA_SDMA_DEBUG_PC_10 | ||
| 485 | 452 MX35_PAD_LD11__IPU_DISPB_DAT_11 | ||
| 486 | 453 MX35_PAD_LD11__GPIO2_11 | ||
| 487 | 454 MX35_PAD_LD11__SDMA_SDMA_DEBUG_PC_11 | ||
| 488 | 455 MX35_PAD_LD11__ARM11P_TOP_TRACE_4 | ||
| 489 | 456 MX35_PAD_LD12__IPU_DISPB_DAT_12 | ||
| 490 | 457 MX35_PAD_LD12__GPIO2_12 | ||
| 491 | 458 MX35_PAD_LD12__SDMA_SDMA_DEBUG_PC_12 | ||
| 492 | 459 MX35_PAD_LD12__ARM11P_TOP_TRACE_5 | ||
| 493 | 460 MX35_PAD_LD13__IPU_DISPB_DAT_13 | ||
| 494 | 461 MX35_PAD_LD13__GPIO2_13 | ||
| 495 | 462 MX35_PAD_LD13__SDMA_SDMA_DEBUG_PC_13 | ||
| 496 | 463 MX35_PAD_LD13__ARM11P_TOP_TRACE_6 | ||
| 497 | 464 MX35_PAD_LD14__IPU_DISPB_DAT_14 | ||
| 498 | 465 MX35_PAD_LD14__GPIO2_14 | ||
| 499 | 466 MX35_PAD_LD14__SDMA_SDMA_DEBUG_EVENT_CHANNEL_0 | ||
| 500 | 467 MX35_PAD_LD14__ARM11P_TOP_TRACE_7 | ||
| 501 | 468 MX35_PAD_LD15__IPU_DISPB_DAT_15 | ||
| 502 | 469 MX35_PAD_LD15__GPIO2_15 | ||
| 503 | 470 MX35_PAD_LD15__SDMA_SDMA_DEBUG_EVENT_CHANNEL_1 | ||
| 504 | 471 MX35_PAD_LD15__ARM11P_TOP_TRACE_8 | ||
| 505 | 472 MX35_PAD_LD16__IPU_DISPB_DAT_16 | ||
| 506 | 473 MX35_PAD_LD16__IPU_DISPB_D12_VSYNC | ||
| 507 | 474 MX35_PAD_LD16__GPIO2_16 | ||
| 508 | 475 MX35_PAD_LD16__SDMA_SDMA_DEBUG_EVENT_CHANNEL_2 | ||
| 509 | 476 MX35_PAD_LD16__ARM11P_TOP_TRACE_9 | ||
| 510 | 477 MX35_PAD_LD17__IPU_DISPB_DAT_17 | ||
| 511 | 478 MX35_PAD_LD17__IPU_DISPB_CS2 | ||
| 512 | 479 MX35_PAD_LD17__GPIO2_17 | ||
| 513 | 480 MX35_PAD_LD17__SDMA_SDMA_DEBUG_EVENT_CHANNEL_3 | ||
| 514 | 481 MX35_PAD_LD17__ARM11P_TOP_TRACE_10 | ||
| 515 | 482 MX35_PAD_LD18__IPU_DISPB_DAT_18 | ||
| 516 | 483 MX35_PAD_LD18__IPU_DISPB_D0_VSYNC | ||
| 517 | 484 MX35_PAD_LD18__IPU_DISPB_D12_VSYNC | ||
| 518 | 485 MX35_PAD_LD18__ESDHC3_CMD | ||
| 519 | 486 MX35_PAD_LD18__USB_TOP_USBOTG_DATA_3 | ||
| 520 | 487 MX35_PAD_LD18__GPIO3_24 | ||
| 521 | 488 MX35_PAD_LD18__SDMA_SDMA_DEBUG_EVENT_CHANNEL_4 | ||
| 522 | 489 MX35_PAD_LD18__ARM11P_TOP_TRACE_11 | ||
| 523 | 490 MX35_PAD_LD19__IPU_DISPB_DAT_19 | ||
| 524 | 491 MX35_PAD_LD19__IPU_DISPB_BCLK | ||
| 525 | 492 MX35_PAD_LD19__IPU_DISPB_CS1 | ||
| 526 | 493 MX35_PAD_LD19__ESDHC3_CLK | ||
| 527 | 494 MX35_PAD_LD19__USB_TOP_USBOTG_DIR | ||
| 528 | 495 MX35_PAD_LD19__GPIO3_25 | ||
| 529 | 496 MX35_PAD_LD19__SDMA_SDMA_DEBUG_EVENT_CHANNEL_5 | ||
| 530 | 497 MX35_PAD_LD19__ARM11P_TOP_TRACE_12 | ||
| 531 | 498 MX35_PAD_LD20__IPU_DISPB_DAT_20 | ||
| 532 | 499 MX35_PAD_LD20__IPU_DISPB_CS0 | ||
| 533 | 500 MX35_PAD_LD20__IPU_DISPB_SD_CLK | ||
| 534 | 501 MX35_PAD_LD20__ESDHC3_DAT0 | ||
| 535 | 502 MX35_PAD_LD20__GPIO3_26 | ||
| 536 | 503 MX35_PAD_LD20__SDMA_SDMA_DEBUG_CORE_STATUS_3 | ||
| 537 | 504 MX35_PAD_LD20__ARM11P_TOP_TRACE_13 | ||
| 538 | 505 MX35_PAD_LD21__IPU_DISPB_DAT_21 | ||
| 539 | 506 MX35_PAD_LD21__IPU_DISPB_PAR_RS | ||
| 540 | 507 MX35_PAD_LD21__IPU_DISPB_SER_RS | ||
| 541 | 508 MX35_PAD_LD21__ESDHC3_DAT1 | ||
| 542 | 509 MX35_PAD_LD21__USB_TOP_USBOTG_STP | ||
| 543 | 510 MX35_PAD_LD21__GPIO3_27 | ||
| 544 | 511 MX35_PAD_LD21__SDMA_DEBUG_EVENT_CHANNEL_SEL | ||
| 545 | 512 MX35_PAD_LD21__ARM11P_TOP_TRACE_14 | ||
| 546 | 513 MX35_PAD_LD22__IPU_DISPB_DAT_22 | ||
| 547 | 514 MX35_PAD_LD22__IPU_DISPB_WR | ||
| 548 | 515 MX35_PAD_LD22__IPU_DISPB_SD_D_I | ||
| 549 | 516 MX35_PAD_LD22__ESDHC3_DAT2 | ||
| 550 | 517 MX35_PAD_LD22__USB_TOP_USBOTG_NXT | ||
| 551 | 518 MX35_PAD_LD22__GPIO3_28 | ||
| 552 | 519 MX35_PAD_LD22__SDMA_DEBUG_BUS_ERROR | ||
| 553 | 520 MX35_PAD_LD22__ARM11P_TOP_TRCTL | ||
| 554 | 521 MX35_PAD_LD23__IPU_DISPB_DAT_23 | ||
| 555 | 522 MX35_PAD_LD23__IPU_DISPB_RD | ||
| 556 | 523 MX35_PAD_LD23__IPU_DISPB_SD_D_IO | ||
| 557 | 524 MX35_PAD_LD23__ESDHC3_DAT3 | ||
| 558 | 525 MX35_PAD_LD23__USB_TOP_USBOTG_DATA_7 | ||
| 559 | 526 MX35_PAD_LD23__GPIO3_29 | ||
| 560 | 527 MX35_PAD_LD23__SDMA_DEBUG_MATCHED_DMBUS | ||
| 561 | 528 MX35_PAD_LD23__ARM11P_TOP_TRCLK | ||
| 562 | 529 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC | ||
| 563 | 530 MX35_PAD_D3_HSYNC__IPU_DISPB_SD_D_IO | ||
| 564 | 531 MX35_PAD_D3_HSYNC__GPIO3_30 | ||
| 565 | 532 MX35_PAD_D3_HSYNC__SDMA_DEBUG_RTBUFFER_WRITE | ||
| 566 | 533 MX35_PAD_D3_HSYNC__ARM11P_TOP_TRACE_15 | ||
| 567 | 534 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK | ||
| 568 | 535 MX35_PAD_D3_FPSHIFT__IPU_DISPB_SD_CLK | ||
| 569 | 536 MX35_PAD_D3_FPSHIFT__GPIO3_31 | ||
| 570 | 537 MX35_PAD_D3_FPSHIFT__SDMA_SDMA_DEBUG_CORE_STATUS_0 | ||
| 571 | 538 MX35_PAD_D3_FPSHIFT__ARM11P_TOP_TRACE_16 | ||
| 572 | 539 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY | ||
| 573 | 540 MX35_PAD_D3_DRDY__IPU_DISPB_SD_D_O | ||
| 574 | 541 MX35_PAD_D3_DRDY__GPIO1_0 | ||
| 575 | 542 MX35_PAD_D3_DRDY__SDMA_SDMA_DEBUG_CORE_STATUS_1 | ||
| 576 | 543 MX35_PAD_D3_DRDY__ARM11P_TOP_TRACE_17 | ||
| 577 | 544 MX35_PAD_CONTRAST__IPU_DISPB_CONTR | ||
| 578 | 545 MX35_PAD_CONTRAST__GPIO1_1 | ||
| 579 | 546 MX35_PAD_CONTRAST__SDMA_SDMA_DEBUG_CORE_STATUS_2 | ||
| 580 | 547 MX35_PAD_CONTRAST__ARM11P_TOP_TRACE_18 | ||
| 581 | 548 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC | ||
| 582 | 549 MX35_PAD_D3_VSYNC__IPU_DISPB_CS1 | ||
| 583 | 550 MX35_PAD_D3_VSYNC__GPIO1_2 | ||
| 584 | 551 MX35_PAD_D3_VSYNC__SDMA_DEBUG_YIELD | ||
| 585 | 552 MX35_PAD_D3_VSYNC__ARM11P_TOP_TRACE_19 | ||
| 586 | 553 MX35_PAD_D3_REV__IPU_DISPB_D3_REV | ||
| 587 | 554 MX35_PAD_D3_REV__IPU_DISPB_SER_RS | ||
| 588 | 555 MX35_PAD_D3_REV__GPIO1_3 | ||
| 589 | 556 MX35_PAD_D3_REV__SDMA_DEBUG_BUS_RWB | ||
| 590 | 557 MX35_PAD_D3_REV__ARM11P_TOP_TRACE_20 | ||
| 591 | 558 MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS | ||
| 592 | 559 MX35_PAD_D3_CLS__IPU_DISPB_CS2 | ||
| 593 | 560 MX35_PAD_D3_CLS__GPIO1_4 | ||
| 594 | 561 MX35_PAD_D3_CLS__SDMA_DEBUG_BUS_DEVICE_0 | ||
| 595 | 562 MX35_PAD_D3_CLS__ARM11P_TOP_TRACE_21 | ||
| 596 | 563 MX35_PAD_D3_SPL__IPU_DISPB_D3_SPL | ||
| 597 | 564 MX35_PAD_D3_SPL__IPU_DISPB_D12_VSYNC | ||
| 598 | 565 MX35_PAD_D3_SPL__GPIO1_5 | ||
| 599 | 566 MX35_PAD_D3_SPL__SDMA_DEBUG_BUS_DEVICE_1 | ||
| 600 | 567 MX35_PAD_D3_SPL__ARM11P_TOP_TRACE_22 | ||
| 601 | 568 MX35_PAD_SD1_CMD__ESDHC1_CMD | ||
| 602 | 569 MX35_PAD_SD1_CMD__MSHC_SCLK | ||
| 603 | 570 MX35_PAD_SD1_CMD__IPU_DISPB_D0_VSYNC | ||
| 604 | 571 MX35_PAD_SD1_CMD__USB_TOP_USBOTG_DATA_4 | ||
| 605 | 572 MX35_PAD_SD1_CMD__GPIO1_6 | ||
| 606 | 573 MX35_PAD_SD1_CMD__ARM11P_TOP_TRCTL | ||
| 607 | 574 MX35_PAD_SD1_CLK__ESDHC1_CLK | ||
| 608 | 575 MX35_PAD_SD1_CLK__MSHC_BS | ||
| 609 | 576 MX35_PAD_SD1_CLK__IPU_DISPB_BCLK | ||
| 610 | 577 MX35_PAD_SD1_CLK__USB_TOP_USBOTG_DATA_5 | ||
| 611 | 578 MX35_PAD_SD1_CLK__GPIO1_7 | ||
| 612 | 579 MX35_PAD_SD1_CLK__ARM11P_TOP_TRCLK | ||
| 613 | 580 MX35_PAD_SD1_DATA0__ESDHC1_DAT0 | ||
| 614 | 581 MX35_PAD_SD1_DATA0__MSHC_DATA_0 | ||
| 615 | 582 MX35_PAD_SD1_DATA0__IPU_DISPB_CS0 | ||
| 616 | 583 MX35_PAD_SD1_DATA0__USB_TOP_USBOTG_DATA_6 | ||
| 617 | 584 MX35_PAD_SD1_DATA0__GPIO1_8 | ||
| 618 | 585 MX35_PAD_SD1_DATA0__ARM11P_TOP_TRACE_23 | ||
| 619 | 586 MX35_PAD_SD1_DATA1__ESDHC1_DAT1 | ||
| 620 | 587 MX35_PAD_SD1_DATA1__MSHC_DATA_1 | ||
| 621 | 588 MX35_PAD_SD1_DATA1__IPU_DISPB_PAR_RS | ||
| 622 | 589 MX35_PAD_SD1_DATA1__USB_TOP_USBOTG_DATA_0 | ||
| 623 | 590 MX35_PAD_SD1_DATA1__GPIO1_9 | ||
| 624 | 591 MX35_PAD_SD1_DATA1__ARM11P_TOP_TRACE_24 | ||
| 625 | 592 MX35_PAD_SD1_DATA2__ESDHC1_DAT2 | ||
| 626 | 593 MX35_PAD_SD1_DATA2__MSHC_DATA_2 | ||
| 627 | 594 MX35_PAD_SD1_DATA2__IPU_DISPB_WR | ||
| 628 | 595 MX35_PAD_SD1_DATA2__USB_TOP_USBOTG_DATA_1 | ||
| 629 | 596 MX35_PAD_SD1_DATA2__GPIO1_10 | ||
| 630 | 597 MX35_PAD_SD1_DATA2__ARM11P_TOP_TRACE_25 | ||
| 631 | 598 MX35_PAD_SD1_DATA3__ESDHC1_DAT3 | ||
| 632 | 599 MX35_PAD_SD1_DATA3__MSHC_DATA_3 | ||
| 633 | 600 MX35_PAD_SD1_DATA3__IPU_DISPB_RD | ||
| 634 | 601 MX35_PAD_SD1_DATA3__USB_TOP_USBOTG_DATA_2 | ||
| 635 | 602 MX35_PAD_SD1_DATA3__GPIO1_11 | ||
| 636 | 603 MX35_PAD_SD1_DATA3__ARM11P_TOP_TRACE_26 | ||
| 637 | 604 MX35_PAD_SD2_CMD__ESDHC2_CMD | ||
| 638 | 605 MX35_PAD_SD2_CMD__I2C3_SCL | ||
| 639 | 606 MX35_PAD_SD2_CMD__ESDHC1_DAT4 | ||
| 640 | 607 MX35_PAD_SD2_CMD__IPU_CSI_D_2 | ||
| 641 | 608 MX35_PAD_SD2_CMD__USB_TOP_USBH2_DATA_4 | ||
| 642 | 609 MX35_PAD_SD2_CMD__GPIO2_0 | ||
| 643 | 610 MX35_PAD_SD2_CMD__SPDIF_SPDIF_OUT1 | ||
| 644 | 611 MX35_PAD_SD2_CMD__IPU_DISPB_D12_VSYNC | ||
| 645 | 612 MX35_PAD_SD2_CLK__ESDHC2_CLK | ||
| 646 | 613 MX35_PAD_SD2_CLK__I2C3_SDA | ||
| 647 | 614 MX35_PAD_SD2_CLK__ESDHC1_DAT5 | ||
| 648 | 615 MX35_PAD_SD2_CLK__IPU_CSI_D_3 | ||
| 649 | 616 MX35_PAD_SD2_CLK__USB_TOP_USBH2_DATA_5 | ||
| 650 | 617 MX35_PAD_SD2_CLK__GPIO2_1 | ||
| 651 | 618 MX35_PAD_SD2_CLK__SPDIF_SPDIF_IN1 | ||
| 652 | 619 MX35_PAD_SD2_CLK__IPU_DISPB_CS2 | ||
| 653 | 620 MX35_PAD_SD2_DATA0__ESDHC2_DAT0 | ||
| 654 | 621 MX35_PAD_SD2_DATA0__UART3_RXD_MUX | ||
| 655 | 622 MX35_PAD_SD2_DATA0__ESDHC1_DAT6 | ||
| 656 | 623 MX35_PAD_SD2_DATA0__IPU_CSI_D_4 | ||
| 657 | 624 MX35_PAD_SD2_DATA0__USB_TOP_USBH2_DATA_6 | ||
| 658 | 625 MX35_PAD_SD2_DATA0__GPIO2_2 | ||
| 659 | 626 MX35_PAD_SD2_DATA0__SPDIF_SPDIF_EXTCLK | ||
| 660 | 627 MX35_PAD_SD2_DATA1__ESDHC2_DAT1 | ||
| 661 | 628 MX35_PAD_SD2_DATA1__UART3_TXD_MUX | ||
| 662 | 629 MX35_PAD_SD2_DATA1__ESDHC1_DAT7 | ||
| 663 | 630 MX35_PAD_SD2_DATA1__IPU_CSI_D_5 | ||
| 664 | 631 MX35_PAD_SD2_DATA1__USB_TOP_USBH2_DATA_0 | ||
| 665 | 632 MX35_PAD_SD2_DATA1__GPIO2_3 | ||
| 666 | 633 MX35_PAD_SD2_DATA2__ESDHC2_DAT2 | ||
| 667 | 634 MX35_PAD_SD2_DATA2__UART3_RTS | ||
| 668 | 635 MX35_PAD_SD2_DATA2__CAN1_RXCAN | ||
| 669 | 636 MX35_PAD_SD2_DATA2__IPU_CSI_D_6 | ||
| 670 | 637 MX35_PAD_SD2_DATA2__USB_TOP_USBH2_DATA_1 | ||
| 671 | 638 MX35_PAD_SD2_DATA2__GPIO2_4 | ||
| 672 | 639 MX35_PAD_SD2_DATA3__ESDHC2_DAT3 | ||
| 673 | 640 MX35_PAD_SD2_DATA3__UART3_CTS | ||
| 674 | 641 MX35_PAD_SD2_DATA3__CAN1_TXCAN | ||
| 675 | 642 MX35_PAD_SD2_DATA3__IPU_CSI_D_7 | ||
| 676 | 643 MX35_PAD_SD2_DATA3__USB_TOP_USBH2_DATA_2 | ||
| 677 | 644 MX35_PAD_SD2_DATA3__GPIO2_5 | ||
| 678 | 645 MX35_PAD_ATA_CS0__ATA_CS0 | ||
| 679 | 646 MX35_PAD_ATA_CS0__CSPI1_SS3 | ||
| 680 | 647 MX35_PAD_ATA_CS0__IPU_DISPB_CS1 | ||
| 681 | 648 MX35_PAD_ATA_CS0__GPIO2_6 | ||
| 682 | 649 MX35_PAD_ATA_CS0__IPU_DIAGB_0 | ||
| 683 | 650 MX35_PAD_ATA_CS0__ARM11P_TOP_MAX1_HMASTER_0 | ||
| 684 | 651 MX35_PAD_ATA_CS1__ATA_CS1 | ||
| 685 | 652 MX35_PAD_ATA_CS1__IPU_DISPB_CS2 | ||
| 686 | 653 MX35_PAD_ATA_CS1__CSPI2_SS0 | ||
| 687 | 654 MX35_PAD_ATA_CS1__GPIO2_7 | ||
| 688 | 655 MX35_PAD_ATA_CS1__IPU_DIAGB_1 | ||
| 689 | 656 MX35_PAD_ATA_CS1__ARM11P_TOP_MAX1_HMASTER_1 | ||
| 690 | 657 MX35_PAD_ATA_DIOR__ATA_DIOR | ||
| 691 | 658 MX35_PAD_ATA_DIOR__ESDHC3_DAT0 | ||
| 692 | 659 MX35_PAD_ATA_DIOR__USB_TOP_USBOTG_DIR | ||
| 693 | 660 MX35_PAD_ATA_DIOR__IPU_DISPB_BE0 | ||
| 694 | 661 MX35_PAD_ATA_DIOR__CSPI2_SS1 | ||
| 695 | 662 MX35_PAD_ATA_DIOR__GPIO2_8 | ||
| 696 | 663 MX35_PAD_ATA_DIOR__IPU_DIAGB_2 | ||
| 697 | 664 MX35_PAD_ATA_DIOR__ARM11P_TOP_MAX1_HMASTER_2 | ||
| 698 | 665 MX35_PAD_ATA_DIOW__ATA_DIOW | ||
| 699 | 666 MX35_PAD_ATA_DIOW__ESDHC3_DAT1 | ||
| 700 | 667 MX35_PAD_ATA_DIOW__USB_TOP_USBOTG_STP | ||
| 701 | 668 MX35_PAD_ATA_DIOW__IPU_DISPB_BE1 | ||
| 702 | 669 MX35_PAD_ATA_DIOW__CSPI2_MOSI | ||
| 703 | 670 MX35_PAD_ATA_DIOW__GPIO2_9 | ||
| 704 | 671 MX35_PAD_ATA_DIOW__IPU_DIAGB_3 | ||
| 705 | 672 MX35_PAD_ATA_DIOW__ARM11P_TOP_MAX1_HMASTER_3 | ||
| 706 | 673 MX35_PAD_ATA_DMACK__ATA_DMACK | ||
| 707 | 674 MX35_PAD_ATA_DMACK__ESDHC3_DAT2 | ||
| 708 | 675 MX35_PAD_ATA_DMACK__USB_TOP_USBOTG_NXT | ||
| 709 | 676 MX35_PAD_ATA_DMACK__CSPI2_MISO | ||
| 710 | 677 MX35_PAD_ATA_DMACK__GPIO2_10 | ||
| 711 | 678 MX35_PAD_ATA_DMACK__IPU_DIAGB_4 | ||
| 712 | 679 MX35_PAD_ATA_DMACK__ARM11P_TOP_MAX0_HMASTER_0 | ||
| 713 | 680 MX35_PAD_ATA_RESET_B__ATA_RESET_B | ||
| 714 | 681 MX35_PAD_ATA_RESET_B__ESDHC3_DAT3 | ||
| 715 | 682 MX35_PAD_ATA_RESET_B__USB_TOP_USBOTG_DATA_0 | ||
| 716 | 683 MX35_PAD_ATA_RESET_B__IPU_DISPB_SD_D_O | ||
| 717 | 684 MX35_PAD_ATA_RESET_B__CSPI2_RDY | ||
| 718 | 685 MX35_PAD_ATA_RESET_B__GPIO2_11 | ||
| 719 | 686 MX35_PAD_ATA_RESET_B__IPU_DIAGB_5 | ||
| 720 | 687 MX35_PAD_ATA_RESET_B__ARM11P_TOP_MAX0_HMASTER_1 | ||
| 721 | 688 MX35_PAD_ATA_IORDY__ATA_IORDY | ||
| 722 | 689 MX35_PAD_ATA_IORDY__ESDHC3_DAT4 | ||
| 723 | 690 MX35_PAD_ATA_IORDY__USB_TOP_USBOTG_DATA_1 | ||
| 724 | 691 MX35_PAD_ATA_IORDY__IPU_DISPB_SD_D_IO | ||
| 725 | 692 MX35_PAD_ATA_IORDY__ESDHC2_DAT4 | ||
| 726 | 693 MX35_PAD_ATA_IORDY__GPIO2_12 | ||
| 727 | 694 MX35_PAD_ATA_IORDY__IPU_DIAGB_6 | ||
| 728 | 695 MX35_PAD_ATA_IORDY__ARM11P_TOP_MAX0_HMASTER_2 | ||
| 729 | 696 MX35_PAD_ATA_DATA0__ATA_DATA_0 | ||
| 730 | 697 MX35_PAD_ATA_DATA0__ESDHC3_DAT5 | ||
| 731 | 698 MX35_PAD_ATA_DATA0__USB_TOP_USBOTG_DATA_2 | ||
| 732 | 699 MX35_PAD_ATA_DATA0__IPU_DISPB_D12_VSYNC | ||
| 733 | 700 MX35_PAD_ATA_DATA0__ESDHC2_DAT5 | ||
| 734 | 701 MX35_PAD_ATA_DATA0__GPIO2_13 | ||
| 735 | 702 MX35_PAD_ATA_DATA0__IPU_DIAGB_7 | ||
| 736 | 703 MX35_PAD_ATA_DATA0__ARM11P_TOP_MAX0_HMASTER_3 | ||
| 737 | 704 MX35_PAD_ATA_DATA1__ATA_DATA_1 | ||
| 738 | 705 MX35_PAD_ATA_DATA1__ESDHC3_DAT6 | ||
| 739 | 706 MX35_PAD_ATA_DATA1__USB_TOP_USBOTG_DATA_3 | ||
| 740 | 707 MX35_PAD_ATA_DATA1__IPU_DISPB_SD_CLK | ||
| 741 | 708 MX35_PAD_ATA_DATA1__ESDHC2_DAT6 | ||
| 742 | 709 MX35_PAD_ATA_DATA1__GPIO2_14 | ||
| 743 | 710 MX35_PAD_ATA_DATA1__IPU_DIAGB_8 | ||
| 744 | 711 MX35_PAD_ATA_DATA1__ARM11P_TOP_TRACE_27 | ||
| 745 | 712 MX35_PAD_ATA_DATA2__ATA_DATA_2 | ||
| 746 | 713 MX35_PAD_ATA_DATA2__ESDHC3_DAT7 | ||
| 747 | 714 MX35_PAD_ATA_DATA2__USB_TOP_USBOTG_DATA_4 | ||
| 748 | 715 MX35_PAD_ATA_DATA2__IPU_DISPB_SER_RS | ||
| 749 | 716 MX35_PAD_ATA_DATA2__ESDHC2_DAT7 | ||
| 750 | 717 MX35_PAD_ATA_DATA2__GPIO2_15 | ||
| 751 | 718 MX35_PAD_ATA_DATA2__IPU_DIAGB_9 | ||
| 752 | 719 MX35_PAD_ATA_DATA2__ARM11P_TOP_TRACE_28 | ||
| 753 | 720 MX35_PAD_ATA_DATA3__ATA_DATA_3 | ||
| 754 | 721 MX35_PAD_ATA_DATA3__ESDHC3_CLK | ||
| 755 | 722 MX35_PAD_ATA_DATA3__USB_TOP_USBOTG_DATA_5 | ||
| 756 | 723 MX35_PAD_ATA_DATA3__CSPI2_SCLK | ||
| 757 | 724 MX35_PAD_ATA_DATA3__GPIO2_16 | ||
| 758 | 725 MX35_PAD_ATA_DATA3__IPU_DIAGB_10 | ||
| 759 | 726 MX35_PAD_ATA_DATA3__ARM11P_TOP_TRACE_29 | ||
| 760 | 727 MX35_PAD_ATA_DATA4__ATA_DATA_4 | ||
| 761 | 728 MX35_PAD_ATA_DATA4__ESDHC3_CMD | ||
| 762 | 729 MX35_PAD_ATA_DATA4__USB_TOP_USBOTG_DATA_6 | ||
| 763 | 730 MX35_PAD_ATA_DATA4__GPIO2_17 | ||
| 764 | 731 MX35_PAD_ATA_DATA4__IPU_DIAGB_11 | ||
| 765 | 732 MX35_PAD_ATA_DATA4__ARM11P_TOP_TRACE_30 | ||
| 766 | 733 MX35_PAD_ATA_DATA5__ATA_DATA_5 | ||
| 767 | 734 MX35_PAD_ATA_DATA5__USB_TOP_USBOTG_DATA_7 | ||
| 768 | 735 MX35_PAD_ATA_DATA5__GPIO2_18 | ||
| 769 | 736 MX35_PAD_ATA_DATA5__IPU_DIAGB_12 | ||
| 770 | 737 MX35_PAD_ATA_DATA5__ARM11P_TOP_TRACE_31 | ||
| 771 | 738 MX35_PAD_ATA_DATA6__ATA_DATA_6 | ||
| 772 | 739 MX35_PAD_ATA_DATA6__CAN1_TXCAN | ||
| 773 | 740 MX35_PAD_ATA_DATA6__UART1_DTR | ||
| 774 | 741 MX35_PAD_ATA_DATA6__AUDMUX_AUD6_TXD | ||
| 775 | 742 MX35_PAD_ATA_DATA6__GPIO2_19 | ||
| 776 | 743 MX35_PAD_ATA_DATA6__IPU_DIAGB_13 | ||
| 777 | 744 MX35_PAD_ATA_DATA7__ATA_DATA_7 | ||
| 778 | 745 MX35_PAD_ATA_DATA7__CAN1_RXCAN | ||
| 779 | 746 MX35_PAD_ATA_DATA7__UART1_DSR | ||
| 780 | 747 MX35_PAD_ATA_DATA7__AUDMUX_AUD6_RXD | ||
| 781 | 748 MX35_PAD_ATA_DATA7__GPIO2_20 | ||
| 782 | 749 MX35_PAD_ATA_DATA7__IPU_DIAGB_14 | ||
| 783 | 750 MX35_PAD_ATA_DATA8__ATA_DATA_8 | ||
| 784 | 751 MX35_PAD_ATA_DATA8__UART3_RTS | ||
| 785 | 752 MX35_PAD_ATA_DATA8__UART1_RI | ||
| 786 | 753 MX35_PAD_ATA_DATA8__AUDMUX_AUD6_TXC | ||
| 787 | 754 MX35_PAD_ATA_DATA8__GPIO2_21 | ||
| 788 | 755 MX35_PAD_ATA_DATA8__IPU_DIAGB_15 | ||
| 789 | 756 MX35_PAD_ATA_DATA9__ATA_DATA_9 | ||
| 790 | 757 MX35_PAD_ATA_DATA9__UART3_CTS | ||
| 791 | 758 MX35_PAD_ATA_DATA9__UART1_DCD | ||
| 792 | 759 MX35_PAD_ATA_DATA9__AUDMUX_AUD6_TXFS | ||
| 793 | 760 MX35_PAD_ATA_DATA9__GPIO2_22 | ||
| 794 | 761 MX35_PAD_ATA_DATA9__IPU_DIAGB_16 | ||
| 795 | 762 MX35_PAD_ATA_DATA10__ATA_DATA_10 | ||
| 796 | 763 MX35_PAD_ATA_DATA10__UART3_RXD_MUX | ||
| 797 | 764 MX35_PAD_ATA_DATA10__AUDMUX_AUD6_RXC | ||
| 798 | 765 MX35_PAD_ATA_DATA10__GPIO2_23 | ||
| 799 | 766 MX35_PAD_ATA_DATA10__IPU_DIAGB_17 | ||
| 800 | 767 MX35_PAD_ATA_DATA11__ATA_DATA_11 | ||
| 801 | 768 MX35_PAD_ATA_DATA11__UART3_TXD_MUX | ||
| 802 | 769 MX35_PAD_ATA_DATA11__AUDMUX_AUD6_RXFS | ||
| 803 | 770 MX35_PAD_ATA_DATA11__GPIO2_24 | ||
| 804 | 771 MX35_PAD_ATA_DATA11__IPU_DIAGB_18 | ||
| 805 | 772 MX35_PAD_ATA_DATA12__ATA_DATA_12 | ||
| 806 | 773 MX35_PAD_ATA_DATA12__I2C3_SCL | ||
| 807 | 774 MX35_PAD_ATA_DATA12__GPIO2_25 | ||
| 808 | 775 MX35_PAD_ATA_DATA12__IPU_DIAGB_19 | ||
| 809 | 776 MX35_PAD_ATA_DATA13__ATA_DATA_13 | ||
| 810 | 777 MX35_PAD_ATA_DATA13__I2C3_SDA | ||
| 811 | 778 MX35_PAD_ATA_DATA13__GPIO2_26 | ||
| 812 | 779 MX35_PAD_ATA_DATA13__IPU_DIAGB_20 | ||
| 813 | 780 MX35_PAD_ATA_DATA14__ATA_DATA_14 | ||
| 814 | 781 MX35_PAD_ATA_DATA14__IPU_CSI_D_0 | ||
| 815 | 782 MX35_PAD_ATA_DATA14__KPP_ROW_0 | ||
| 816 | 783 MX35_PAD_ATA_DATA14__GPIO2_27 | ||
| 817 | 784 MX35_PAD_ATA_DATA14__IPU_DIAGB_21 | ||
| 818 | 785 MX35_PAD_ATA_DATA15__ATA_DATA_15 | ||
| 819 | 786 MX35_PAD_ATA_DATA15__IPU_CSI_D_1 | ||
| 820 | 787 MX35_PAD_ATA_DATA15__KPP_ROW_1 | ||
| 821 | 788 MX35_PAD_ATA_DATA15__GPIO2_28 | ||
| 822 | 789 MX35_PAD_ATA_DATA15__IPU_DIAGB_22 | ||
| 823 | 790 MX35_PAD_ATA_INTRQ__ATA_INTRQ | ||
| 824 | 791 MX35_PAD_ATA_INTRQ__IPU_CSI_D_2 | ||
| 825 | 792 MX35_PAD_ATA_INTRQ__KPP_ROW_2 | ||
| 826 | 793 MX35_PAD_ATA_INTRQ__GPIO2_29 | ||
| 827 | 794 MX35_PAD_ATA_INTRQ__IPU_DIAGB_23 | ||
| 828 | 795 MX35_PAD_ATA_BUFF_EN__ATA_BUFFER_EN | ||
| 829 | 796 MX35_PAD_ATA_BUFF_EN__IPU_CSI_D_3 | ||
| 830 | 797 MX35_PAD_ATA_BUFF_EN__KPP_ROW_3 | ||
| 831 | 798 MX35_PAD_ATA_BUFF_EN__GPIO2_30 | ||
| 832 | 799 MX35_PAD_ATA_BUFF_EN__IPU_DIAGB_24 | ||
| 833 | 800 MX35_PAD_ATA_DMARQ__ATA_DMARQ | ||
| 834 | 801 MX35_PAD_ATA_DMARQ__IPU_CSI_D_4 | ||
| 835 | 802 MX35_PAD_ATA_DMARQ__KPP_COL_0 | ||
| 836 | 803 MX35_PAD_ATA_DMARQ__GPIO2_31 | ||
| 837 | 804 MX35_PAD_ATA_DMARQ__IPU_DIAGB_25 | ||
| 838 | 805 MX35_PAD_ATA_DMARQ__ECT_CTI_TRIG_IN1_4 | ||
| 839 | 806 MX35_PAD_ATA_DA0__ATA_DA_0 | ||
| 840 | 807 MX35_PAD_ATA_DA0__IPU_CSI_D_5 | ||
| 841 | 808 MX35_PAD_ATA_DA0__KPP_COL_1 | ||
| 842 | 809 MX35_PAD_ATA_DA0__GPIO3_0 | ||
| 843 | 810 MX35_PAD_ATA_DA0__IPU_DIAGB_26 | ||
| 844 | 811 MX35_PAD_ATA_DA0__ECT_CTI_TRIG_IN1_5 | ||
| 845 | 812 MX35_PAD_ATA_DA1__ATA_DA_1 | ||
| 846 | 813 MX35_PAD_ATA_DA1__IPU_CSI_D_6 | ||
| 847 | 814 MX35_PAD_ATA_DA1__KPP_COL_2 | ||
| 848 | 815 MX35_PAD_ATA_DA1__GPIO3_1 | ||
| 849 | 816 MX35_PAD_ATA_DA1__IPU_DIAGB_27 | ||
| 850 | 817 MX35_PAD_ATA_DA1__ECT_CTI_TRIG_IN1_6 | ||
| 851 | 818 MX35_PAD_ATA_DA2__ATA_DA_2 | ||
| 852 | 819 MX35_PAD_ATA_DA2__IPU_CSI_D_7 | ||
| 853 | 820 MX35_PAD_ATA_DA2__KPP_COL_3 | ||
| 854 | 821 MX35_PAD_ATA_DA2__GPIO3_2 | ||
| 855 | 822 MX35_PAD_ATA_DA2__IPU_DIAGB_28 | ||
| 856 | 823 MX35_PAD_ATA_DA2__ECT_CTI_TRIG_IN1_7 | ||
| 857 | 824 MX35_PAD_MLB_CLK__MLB_MLBCLK | ||
| 858 | 825 MX35_PAD_MLB_CLK__GPIO3_3 | ||
| 859 | 826 MX35_PAD_MLB_DAT__MLB_MLBDAT | ||
| 860 | 827 MX35_PAD_MLB_DAT__GPIO3_4 | ||
| 861 | 828 MX35_PAD_MLB_SIG__MLB_MLBSIG | ||
| 862 | 829 MX35_PAD_MLB_SIG__GPIO3_5 | ||
| 863 | 830 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK | ||
| 864 | 831 MX35_PAD_FEC_TX_CLK__ESDHC1_DAT4 | ||
| 865 | 832 MX35_PAD_FEC_TX_CLK__UART3_RXD_MUX | ||
| 866 | 833 MX35_PAD_FEC_TX_CLK__USB_TOP_USBH2_DIR | ||
| 867 | 834 MX35_PAD_FEC_TX_CLK__CSPI2_MOSI | ||
| 868 | 835 MX35_PAD_FEC_TX_CLK__GPIO3_6 | ||
| 869 | 836 MX35_PAD_FEC_TX_CLK__IPU_DISPB_D12_VSYNC | ||
| 870 | 837 MX35_PAD_FEC_TX_CLK__ARM11P_TOP_EVNTBUS_0 | ||
| 871 | 838 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK | ||
| 872 | 839 MX35_PAD_FEC_RX_CLK__ESDHC1_DAT5 | ||
| 873 | 840 MX35_PAD_FEC_RX_CLK__UART3_TXD_MUX | ||
| 874 | 841 MX35_PAD_FEC_RX_CLK__USB_TOP_USBH2_STP | ||
| 875 | 842 MX35_PAD_FEC_RX_CLK__CSPI2_MISO | ||
| 876 | 843 MX35_PAD_FEC_RX_CLK__GPIO3_7 | ||
| 877 | 844 MX35_PAD_FEC_RX_CLK__IPU_DISPB_SD_D_I | ||
| 878 | 845 MX35_PAD_FEC_RX_CLK__ARM11P_TOP_EVNTBUS_1 | ||
| 879 | 846 MX35_PAD_FEC_RX_DV__FEC_RX_DV | ||
| 880 | 847 MX35_PAD_FEC_RX_DV__ESDHC1_DAT6 | ||
| 881 | 848 MX35_PAD_FEC_RX_DV__UART3_RTS | ||
| 882 | 849 MX35_PAD_FEC_RX_DV__USB_TOP_USBH2_NXT | ||
| 883 | 850 MX35_PAD_FEC_RX_DV__CSPI2_SCLK | ||
| 884 | 851 MX35_PAD_FEC_RX_DV__GPIO3_8 | ||
| 885 | 852 MX35_PAD_FEC_RX_DV__IPU_DISPB_SD_CLK | ||
| 886 | 853 MX35_PAD_FEC_RX_DV__ARM11P_TOP_EVNTBUS_2 | ||
| 887 | 854 MX35_PAD_FEC_COL__FEC_COL | ||
| 888 | 855 MX35_PAD_FEC_COL__ESDHC1_DAT7 | ||
| 889 | 856 MX35_PAD_FEC_COL__UART3_CTS | ||
| 890 | 857 MX35_PAD_FEC_COL__USB_TOP_USBH2_DATA_0 | ||
| 891 | 858 MX35_PAD_FEC_COL__CSPI2_RDY | ||
| 892 | 859 MX35_PAD_FEC_COL__GPIO3_9 | ||
| 893 | 860 MX35_PAD_FEC_COL__IPU_DISPB_SER_RS | ||
| 894 | 861 MX35_PAD_FEC_COL__ARM11P_TOP_EVNTBUS_3 | ||
| 895 | 862 MX35_PAD_FEC_RDATA0__FEC_RDATA_0 | ||
| 896 | 863 MX35_PAD_FEC_RDATA0__PWM_PWMO | ||
| 897 | 864 MX35_PAD_FEC_RDATA0__UART3_DTR | ||
| 898 | 865 MX35_PAD_FEC_RDATA0__USB_TOP_USBH2_DATA_1 | ||
| 899 | 866 MX35_PAD_FEC_RDATA0__CSPI2_SS0 | ||
| 900 | 867 MX35_PAD_FEC_RDATA0__GPIO3_10 | ||
| 901 | 868 MX35_PAD_FEC_RDATA0__IPU_DISPB_CS1 | ||
| 902 | 869 MX35_PAD_FEC_RDATA0__ARM11P_TOP_EVNTBUS_4 | ||
| 903 | 870 MX35_PAD_FEC_TDATA0__FEC_TDATA_0 | ||
| 904 | 871 MX35_PAD_FEC_TDATA0__SPDIF_SPDIF_OUT1 | ||
| 905 | 872 MX35_PAD_FEC_TDATA0__UART3_DSR | ||
| 906 | 873 MX35_PAD_FEC_TDATA0__USB_TOP_USBH2_DATA_2 | ||
| 907 | 874 MX35_PAD_FEC_TDATA0__CSPI2_SS1 | ||
| 908 | 875 MX35_PAD_FEC_TDATA0__GPIO3_11 | ||
| 909 | 876 MX35_PAD_FEC_TDATA0__IPU_DISPB_CS0 | ||
| 910 | 877 MX35_PAD_FEC_TDATA0__ARM11P_TOP_EVNTBUS_5 | ||
| 911 | 878 MX35_PAD_FEC_TX_EN__FEC_TX_EN | ||
| 912 | 879 MX35_PAD_FEC_TX_EN__SPDIF_SPDIF_IN1 | ||
| 913 | 880 MX35_PAD_FEC_TX_EN__UART3_RI | ||
| 914 | 881 MX35_PAD_FEC_TX_EN__USB_TOP_USBH2_DATA_3 | ||
| 915 | 882 MX35_PAD_FEC_TX_EN__GPIO3_12 | ||
| 916 | 883 MX35_PAD_FEC_TX_EN__IPU_DISPB_PAR_RS | ||
| 917 | 884 MX35_PAD_FEC_TX_EN__ARM11P_TOP_EVNTBUS_6 | ||
| 918 | 885 MX35_PAD_FEC_MDC__FEC_MDC | ||
| 919 | 886 MX35_PAD_FEC_MDC__CAN2_TXCAN | ||
| 920 | 887 MX35_PAD_FEC_MDC__UART3_DCD | ||
| 921 | 888 MX35_PAD_FEC_MDC__USB_TOP_USBH2_DATA_4 | ||
| 922 | 889 MX35_PAD_FEC_MDC__GPIO3_13 | ||
| 923 | 890 MX35_PAD_FEC_MDC__IPU_DISPB_WR | ||
| 924 | 891 MX35_PAD_FEC_MDC__ARM11P_TOP_EVNTBUS_7 | ||
| 925 | 892 MX35_PAD_FEC_MDIO__FEC_MDIO | ||
| 926 | 893 MX35_PAD_FEC_MDIO__CAN2_RXCAN | ||
| 927 | 894 MX35_PAD_FEC_MDIO__USB_TOP_USBH2_DATA_5 | ||
| 928 | 895 MX35_PAD_FEC_MDIO__GPIO3_14 | ||
| 929 | 896 MX35_PAD_FEC_MDIO__IPU_DISPB_RD | ||
| 930 | 897 MX35_PAD_FEC_MDIO__ARM11P_TOP_EVNTBUS_8 | ||
| 931 | 898 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR | ||
| 932 | 899 MX35_PAD_FEC_TX_ERR__OWIRE_LINE | ||
| 933 | 900 MX35_PAD_FEC_TX_ERR__SPDIF_SPDIF_EXTCLK | ||
| 934 | 901 MX35_PAD_FEC_TX_ERR__USB_TOP_USBH2_DATA_6 | ||
| 935 | 902 MX35_PAD_FEC_TX_ERR__GPIO3_15 | ||
| 936 | 903 MX35_PAD_FEC_TX_ERR__IPU_DISPB_D0_VSYNC | ||
| 937 | 904 MX35_PAD_FEC_TX_ERR__ARM11P_TOP_EVNTBUS_9 | ||
| 938 | 905 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR | ||
| 939 | 906 MX35_PAD_FEC_RX_ERR__IPU_CSI_D_0 | ||
| 940 | 907 MX35_PAD_FEC_RX_ERR__USB_TOP_USBH2_DATA_7 | ||
| 941 | 908 MX35_PAD_FEC_RX_ERR__KPP_COL_4 | ||
| 942 | 909 MX35_PAD_FEC_RX_ERR__GPIO3_16 | ||
| 943 | 910 MX35_PAD_FEC_RX_ERR__IPU_DISPB_SD_D_IO | ||
| 944 | 911 MX35_PAD_FEC_CRS__FEC_CRS | ||
| 945 | 912 MX35_PAD_FEC_CRS__IPU_CSI_D_1 | ||
| 946 | 913 MX35_PAD_FEC_CRS__USB_TOP_USBH2_PWR | ||
| 947 | 914 MX35_PAD_FEC_CRS__KPP_COL_5 | ||
| 948 | 915 MX35_PAD_FEC_CRS__GPIO3_17 | ||
| 949 | 916 MX35_PAD_FEC_CRS__IPU_FLASH_STROBE | ||
| 950 | 917 MX35_PAD_FEC_RDATA1__FEC_RDATA_1 | ||
| 951 | 918 MX35_PAD_FEC_RDATA1__IPU_CSI_D_2 | ||
| 952 | 919 MX35_PAD_FEC_RDATA1__AUDMUX_AUD6_RXC | ||
| 953 | 920 MX35_PAD_FEC_RDATA1__USB_TOP_USBH2_OC | ||
| 954 | 921 MX35_PAD_FEC_RDATA1__KPP_COL_6 | ||
| 955 | 922 MX35_PAD_FEC_RDATA1__GPIO3_18 | ||
| 956 | 923 MX35_PAD_FEC_RDATA1__IPU_DISPB_BE0 | ||
| 957 | 924 MX35_PAD_FEC_TDATA1__FEC_TDATA_1 | ||
| 958 | 925 MX35_PAD_FEC_TDATA1__IPU_CSI_D_3 | ||
| 959 | 926 MX35_PAD_FEC_TDATA1__AUDMUX_AUD6_RXFS | ||
| 960 | 927 MX35_PAD_FEC_TDATA1__KPP_COL_7 | ||
| 961 | 928 MX35_PAD_FEC_TDATA1__GPIO3_19 | ||
| 962 | 929 MX35_PAD_FEC_TDATA1__IPU_DISPB_BE1 | ||
| 963 | 930 MX35_PAD_FEC_RDATA2__FEC_RDATA_2 | ||
| 964 | 931 MX35_PAD_FEC_RDATA2__IPU_CSI_D_4 | ||
| 965 | 932 MX35_PAD_FEC_RDATA2__AUDMUX_AUD6_TXD | ||
| 966 | 933 MX35_PAD_FEC_RDATA2__KPP_ROW_4 | ||
| 967 | 934 MX35_PAD_FEC_RDATA2__GPIO3_20 | ||
| 968 | 935 MX35_PAD_FEC_TDATA2__FEC_TDATA_2 | ||
| 969 | 936 MX35_PAD_FEC_TDATA2__IPU_CSI_D_5 | ||
| 970 | 937 MX35_PAD_FEC_TDATA2__AUDMUX_AUD6_RXD | ||
| 971 | 938 MX35_PAD_FEC_TDATA2__KPP_ROW_5 | ||
| 972 | 939 MX35_PAD_FEC_TDATA2__GPIO3_21 | ||
| 973 | 940 MX35_PAD_FEC_RDATA3__FEC_RDATA_3 | ||
| 974 | 941 MX35_PAD_FEC_RDATA3__IPU_CSI_D_6 | ||
| 975 | 942 MX35_PAD_FEC_RDATA3__AUDMUX_AUD6_TXC | ||
| 976 | 943 MX35_PAD_FEC_RDATA3__KPP_ROW_6 | ||
| 977 | 944 MX35_PAD_FEC_RDATA3__GPIO3_22 | ||
| 978 | 945 MX35_PAD_FEC_TDATA3__FEC_TDATA_3 | ||
| 979 | 946 MX35_PAD_FEC_TDATA3__IPU_CSI_D_7 | ||
| 980 | 947 MX35_PAD_FEC_TDATA3__AUDMUX_AUD6_TXFS | ||
| 981 | 948 MX35_PAD_FEC_TDATA3__KPP_ROW_7 | ||
| 982 | 949 MX35_PAD_FEC_TDATA3__GPIO3_23 | ||
| 983 | 950 MX35_PAD_EXT_ARMCLK__CCM_EXT_ARMCLK | ||
| 984 | 951 MX35_PAD_TEST_MODE__TCU_TEST_MODE | ||
| @@ -0,0 +1,83 @@ | |||
| 1 | Lantiq FALCON pinmux controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "lantiq,pinctrl-falcon" | ||
| 5 | - reg: Should contain the physical address and length of the gpio/pinmux | ||
| 6 | register range | ||
| 7 | |||
| 8 | Please refer to pinctrl-bindings.txt in this directory for details of the | ||
| 9 | common pinctrl bindings used by client devices, including the meaning of the | ||
| 10 | phrase "pin configuration node". | ||
| 11 | |||
| 12 | Lantiq's pin configuration nodes act as a container for an abitrary number of | ||
| 13 | subnodes. Each of these subnodes represents some desired configuration for a | ||
| 14 | pin, a group, or a list of pins or groups. This configuration can include the | ||
| 15 | mux function to select on those group(s), and two pin configuration parameters: | ||
| 16 | pull-up and open-drain | ||
| 17 | |||
| 18 | The name of each subnode is not important as long as it is unique; all subnodes | ||
| 19 | should be enumerated and processed purely based on their content. | ||
| 20 | |||
| 21 | Each subnode only affects those parameters that are explicitly listed. In | ||
| 22 | other words, a subnode that lists a mux function but no pin configuration | ||
| 23 | parameters implies no information about any pin configuration parameters. | ||
| 24 | Similarly, a pin subnode that describes a pullup parameter implies no | ||
| 25 | information about e.g. the mux function. | ||
| 26 | |||
| 27 | We support 2 types of nodes. | ||
| 28 | |||
| 29 | Definition of mux function groups: | ||
| 30 | |||
| 31 | Required subnode-properties: | ||
| 32 | - lantiq,groups : An array of strings. Each string contains the name of a group. | ||
| 33 | Valid values for these names are listed below. | ||
| 34 | - lantiq,function: A string containing the name of the function to mux to the | ||
| 35 | group. Valid values for function names are listed below. | ||
| 36 | |||
| 37 | Valid values for group and function names: | ||
| 38 | |||
| 39 | mux groups: | ||
| 40 | por, ntr, ntr8k, hrst, mdio, bootled, asc0, spi, spi cs0, spi cs1, i2c, | ||
| 41 | jtag, slic, pcm, asc1 | ||
| 42 | |||
| 43 | functions: | ||
| 44 | rst, ntr, mdio, led, asc, spi, i2c, jtag, slic, pcm | ||
| 45 | |||
| 46 | |||
| 47 | Definition of pin configurations: | ||
| 48 | |||
| 49 | Required subnode-properties: | ||
| 50 | - lantiq,pins : An array of strings. Each string contains the name of a pin. | ||
| 51 | Valid values for these names are listed below. | ||
| 52 | |||
| 53 | Optional subnode-properties: | ||
| 54 | - lantiq,pull: Integer, representing the pull-down/up to apply to the pin. | ||
| 55 | 0: none, 1: down | ||
| 56 | - lantiq,drive-current: Boolean, enables drive-current | ||
| 57 | - lantiq,slew-rate: Boolean, enables slew-rate | ||
| 58 | |||
| 59 | Example: | ||
| 60 | pinmux0 { | ||
| 61 | compatible = "lantiq,pinctrl-falcon"; | ||
| 62 | pinctrl-names = "default"; | ||
| 63 | pinctrl-0 = <&state_default>; | ||
| 64 | |||
| 65 | state_default: pinmux { | ||
| 66 | asc0 { | ||
| 67 | lantiq,groups = "asc0"; | ||
| 68 | lantiq,function = "asc"; | ||
| 69 | }; | ||
| 70 | ntr { | ||
| 71 | lantiq,groups = "ntr8k"; | ||
| 72 | lantiq,function = "ntr"; | ||
| 73 | }; | ||
| 74 | i2c { | ||
| 75 | lantiq,groups = "i2c"; | ||
| 76 | lantiq,function = "i2c"; | ||
| 77 | }; | ||
| 78 | hrst { | ||
| 79 | lantiq,groups = "hrst"; | ||
| 80 | lantiq,function = "rst"; | ||
| 81 | }; | ||
| 82 | }; | ||
| 83 | }; | ||
| @@ -0,0 +1,97 @@ | |||
| 1 | Lantiq XWAY pinmux controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "lantiq,pinctrl-xway" or "lantiq,pinctrl-xr9" | ||
| 5 | - reg: Should contain the physical address and length of the gpio/pinmux | ||
| 6 | register range | ||
| 7 | |||
| 8 | Please refer to pinctrl-bindings.txt in this directory for details of the | ||
| 9 | common pinctrl bindings used by client devices, including the meaning of the | ||
| 10 | phrase "pin configuration node". | ||
| 11 | |||
| 12 | Lantiq's pin configuration nodes act as a container for an abitrary number of | ||
| 13 | subnodes. Each of these subnodes represents some desired configuration for a | ||
| 14 | pin, a group, or a list of pins or groups. This configuration can include the | ||
| 15 | mux function to select on those group(s), and two pin configuration parameters: | ||
| 16 | pull-up and open-drain | ||
| 17 | |||
| 18 | The name of each subnode is not important as long as it is unique; all subnodes | ||
| 19 | should be enumerated and processed purely based on their content. | ||
| 20 | |||
| 21 | Each subnode only affects those parameters that are explicitly listed. In | ||
| 22 | other words, a subnode that lists a mux function but no pin configuration | ||
| 23 | parameters implies no information about any pin configuration parameters. | ||
| 24 | Similarly, a pin subnode that describes a pullup parameter implies no | ||
| 25 | information about e.g. the mux function. | ||
| 26 | |||
| 27 | We support 2 types of nodes. | ||
| 28 | |||
| 29 | Definition of mux function groups: | ||
| 30 | |||
| 31 | Required subnode-properties: | ||
| 32 | - lantiq,groups : An array of strings. Each string contains the name of a group. | ||
| 33 | Valid values for these names are listed below. | ||
| 34 | - lantiq,function: A string containing the name of the function to mux to the | ||
| 35 | group. Valid values for function names are listed below. | ||
| 36 | |||
| 37 | Valid values for group and function names: | ||
| 38 | |||
| 39 | mux groups: | ||
| 40 | exin0, exin1, exin2, jtag, ebu a23, ebu a24, ebu a25, ebu clk, ebu cs1, | ||
| 41 | ebu wait, nand ale, nand cs1, nand cle, spi, spi_cs1, spi_cs2, spi_cs3, | ||
| 42 | spi_cs4, spi_cs5, spi_cs6, asc0, asc0 cts rts, stp, nmi , gpt1, gpt2, | ||
| 43 | gpt3, clkout0, clkout1, clkout2, clkout3, gnt1, gnt2, gnt3, req1, req2, | ||
| 44 | req3 | ||
| 45 | |||
| 46 | additional mux groups (XR9 only): | ||
| 47 | mdio, nand rdy, nand rd, exin3, exin4, gnt4, req4 | ||
| 48 | |||
| 49 | functions: | ||
| 50 | spi, asc, cgu, jtag, exin, stp, gpt, nmi, pci, ebu, mdio | ||
| 51 | |||
| 52 | |||
| 53 | |||
| 54 | Definition of pin configurations: | ||
| 55 | |||
| 56 | Required subnode-properties: | ||
| 57 | - lantiq,pins : An array of strings. Each string contains the name of a pin. | ||
| 58 | Valid values for these names are listed below. | ||
| 59 | |||
| 60 | Optional subnode-properties: | ||
| 61 | - lantiq,pull: Integer, representing the pull-down/up to apply to the pin. | ||
| 62 | 0: none, 1: down, 2: up. | ||
| 63 | - lantiq,open-drain: Boolean, enables open-drain on the defined pin. | ||
| 64 | |||
| 65 | Valid values for XWAY pin names: | ||
| 66 | Pinconf pins can be referenced via the names io0-io31. | ||
| 67 | |||
| 68 | Valid values for XR9 pin names: | ||
| 69 | Pinconf pins can be referenced via the names io0-io55. | ||
| 70 | |||
| 71 | Example: | ||
| 72 | gpio: pinmux@E100B10 { | ||
| 73 | compatible = "lantiq,pinctrl-xway"; | ||
| 74 | pinctrl-names = "default"; | ||
| 75 | pinctrl-0 = <&state_default>; | ||
| 76 | |||
| 77 | #gpio-cells = <2>; | ||
| 78 | gpio-controller; | ||
| 79 | reg = <0xE100B10 0xA0>; | ||
| 80 | |||
| 81 | state_default: pinmux { | ||
| 82 | stp { | ||
| 83 | lantiq,groups = "stp"; | ||
| 84 | lantiq,function = "stp"; | ||
| 85 | }; | ||
| 86 | pci { | ||
| 87 | lantiq,groups = "gnt1"; | ||
| 88 | lantiq,function = "pci"; | ||
| 89 | }; | ||
| 90 | conf_out { | ||
| 91 | lantiq,pins = "io4", "io5", "io6"; /* stp */ | ||
| 92 | lantiq,open-drain; | ||
| 93 | lantiq,pull = <0>; | ||
| 94 | }; | ||
| 95 | }; | ||
| 96 | }; | ||
| 97 | |||
| @@ -0,0 +1,95 @@ | |||
| 1 | * Marvell Armada 370 SoC pinctrl driver for mpp | ||
| 2 | |||
| 3 | Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding | ||
| 4 | part and usage. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "marvell,88f6710-pinctrl" | ||
| 8 | |||
| 9 | Available mpp pins/groups and functions: | ||
| 10 | Note: brackets (x) are not part of the mpp name for marvell,function and given | ||
| 11 | only for more detailed description in this document. | ||
| 12 | |||
| 13 | name pins functions | ||
| 14 | ================================================================================ | ||
| 15 | mpp0 0 gpio, uart0(rxd) | ||
| 16 | mpp1 1 gpo, uart0(txd) | ||
| 17 | mpp2 2 gpio, i2c0(sck), uart0(txd) | ||
| 18 | mpp3 3 gpio, i2c0(sda), uart0(rxd) | ||
| 19 | mpp4 4 gpio, cpu_pd(vdd) | ||
| 20 | mpp5 5 gpo, ge0(txclko), uart1(txd), spi1(clk), audio(mclk) | ||
| 21 | mpp6 6 gpio, ge0(txd0), sata0(prsnt), tdm(rst), audio(sdo) | ||
| 22 | mpp7 7 gpo, ge0(txd1), tdm(tdx), audio(lrclk) | ||
| 23 | mpp8 8 gpio, ge0(txd2), uart0(rts), tdm(drx), audio(bclk) | ||
| 24 | mpp9 9 gpo, ge0(txd3), uart1(txd), sd0(clk), audio(spdifo) | ||
| 25 | mpp10 10 gpio, ge0(txctl), uart0(cts), tdm(fsync), audio(sdi) | ||
| 26 | mpp11 11 gpio, ge0(rxd0), uart1(rxd), sd0(cmd), spi0(cs1), | ||
| 27 | sata1(prsnt), spi1(cs1) | ||
| 28 | mpp12 12 gpio, ge0(rxd1), i2c1(sda), sd0(d0), spi1(cs0), | ||
| 29 | audio(spdifi) | ||
| 30 | mpp13 13 gpio, ge0(rxd2), i2c1(sck), sd0(d1), tdm(pclk), | ||
| 31 | audio(rmclk) | ||
| 32 | mpp14 14 gpio, ge0(rxd3), pcie(clkreq0), sd0(d2), spi1(mosi), | ||
| 33 | spi0(cs2) | ||
| 34 | mpp15 15 gpio, ge0(rxctl), pcie(clkreq1), sd0(d3), spi1(miso), | ||
| 35 | spi0(cs3) | ||
| 36 | mpp16 16 gpio, ge0(rxclk), uart1(rxd), tdm(int), audio(extclk) | ||
| 37 | mpp17 17 gpo, ge(mdc) | ||
| 38 | mpp18 18 gpio, ge(mdio) | ||
| 39 | mpp19 19 gpio, ge0(txclk), ge1(txclkout), tdm(pclk) | ||
| 40 | mpp20 20 gpo, ge0(txd4), ge1(txd0) | ||
| 41 | mpp21 21 gpo, ge0(txd5), ge1(txd1), uart1(txd) | ||
| 42 | mpp22 22 gpo, ge0(txd6), ge1(txd2), uart0(rts) | ||
| 43 | mpp23 23 gpo, ge0(txd7), ge1(txd3), spi1(mosi) | ||
| 44 | mpp24 24 gpio, ge0(col), ge1(txctl), spi1(cs0) | ||
| 45 | mpp25 25 gpio, ge0(rxerr), ge1(rxd0), uart1(rxd) | ||
| 46 | mpp26 26 gpio, ge0(crs), ge1(rxd1), spi1(miso) | ||
| 47 | mpp27 27 gpio, ge0(rxd4), ge1(rxd2), uart0(cts) | ||
| 48 | mpp28 28 gpio, ge0(rxd5), ge1(rxd3) | ||
| 49 | mpp29 29 gpio, ge0(rxd6), ge1(rxctl), i2c1(sda) | ||
| 50 | mpp30 30 gpio, ge0(rxd7), ge1(rxclk), i2c1(sck) | ||
| 51 | mpp31 31 gpio, tclk, ge0(txerr) | ||
| 52 | mpp32 32 gpio, spi0(cs0) | ||
| 53 | mpp33 33 gpio, dev(bootcs), spi0(cs0) | ||
| 54 | mpp34 34 gpo, dev(wen0), spi0(mosi) | ||
| 55 | mpp35 35 gpo, dev(oen), spi0(sck) | ||
| 56 | mpp36 36 gpo, dev(a1), spi0(miso) | ||
| 57 | mpp37 37 gpo, dev(a0), sata0(prsnt) | ||
| 58 | mpp38 38 gpio, dev(ready), uart1(cts), uart0(cts) | ||
| 59 | mpp39 39 gpo, dev(ad0), audio(spdifo) | ||
| 60 | mpp40 40 gpio, dev(ad1), uart1(rts), uart0(rts) | ||
| 61 | mpp41 41 gpio, dev(ad2), uart1(rxd) | ||
| 62 | mpp42 42 gpo, dev(ad3), uart1(txd) | ||
| 63 | mpp43 43 gpo, dev(ad4), audio(bclk) | ||
| 64 | mpp44 44 gpo, dev(ad5), audio(mclk) | ||
| 65 | mpp45 45 gpo, dev(ad6), audio(lrclk) | ||
| 66 | mpp46 46 gpo, dev(ad7), audio(sdo) | ||
| 67 | mpp47 47 gpo, dev(ad8), sd0(clk), audio(spdifo) | ||
| 68 | mpp48 48 gpio, dev(ad9), uart0(rts), sd0(cmd), sata1(prsnt), | ||
| 69 | spi0(cs1) | ||
| 70 | mpp49 49 gpio, dev(ad10), pcie(clkreq1), sd0(d0), spi1(cs0), | ||
| 71 | audio(spdifi) | ||
| 72 | mpp50 50 gpio, dev(ad11), uart0(cts), sd0(d1), spi1(miso), | ||
| 73 | audio(rmclk) | ||
| 74 | mpp51 51 gpio, dev(ad12), i2c1(sda), sd0(d2), spi1(mosi) | ||
| 75 | mpp52 52 gpio, dev(ad13), i2c1(sck), sd0(d3), spi1(sck) | ||
| 76 | mpp53 53 gpio, dev(ad14), sd0(clk), tdm(pclk), spi0(cs2), | ||
| 77 | pcie(clkreq1) | ||
| 78 | mpp54 54 gpo, dev(ad15), tdm(dtx) | ||
| 79 | mpp55 55 gpio, dev(cs1), uart1(txd), tdm(rst), sata1(prsnt), | ||
| 80 | sata0(prsnt) | ||
| 81 | mpp56 56 gpio, dev(cs2), uart1(cts), uart0(cts), spi0(cs3), | ||
| 82 | pcie(clkreq0), spi1(cs1) | ||
| 83 | mpp57 57 gpio, dev(cs3), uart1(rxd), tdm(fsync), sata0(prsnt), | ||
| 84 | audio(sdo) | ||
| 85 | mpp58 58 gpio, dev(cs0), uart1(rts), tdm(int), audio(extclk), | ||
| 86 | uart0(rts) | ||
| 87 | mpp59 59 gpo, dev(ale0), uart1(rts), uart0(rts), audio(bclk) | ||
| 88 | mpp60 60 gpio, dev(ale1), uart1(rxd), sata0(prsnt), pcie(rst-out), | ||
| 89 | audio(sdi) | ||
| 90 | mpp61 61 gpo, dev(wen1), uart1(txd), audio(rclk) | ||
| 91 | mpp62 62 gpio, dev(a2), uart1(cts), tdm(drx), pcie(clkreq0), | ||
| 92 | audio(mclk), uart0(cts) | ||
| 93 | mpp63 63 gpo, spi0(sck), tclk | ||
| 94 | mpp64 64 gpio, spi0(miso), spi0-1(cs1) | ||
| 95 | mpp65 65 gpio, spi0(mosi), spi0-1(cs2) | ||
| @@ -0,0 +1,100 @@ | |||
| 1 | * Marvell Armada XP SoC pinctrl driver for mpp | ||
| 2 | |||
| 3 | Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding | ||
| 4 | part and usage. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "marvell,mv78230-pinctrl", "marvell,mv78260-pinctrl", | ||
| 8 | "marvell,mv78460-pinctrl" | ||
| 9 | |||
| 10 | This driver supports all Armada XP variants, i.e. mv78230, mv78260, and mv78460. | ||
| 11 | |||
| 12 | Available mpp pins/groups and functions: | ||
| 13 | Note: brackets (x) are not part of the mpp name for marvell,function and given | ||
| 14 | only for more detailed description in this document. | ||
| 15 | |||
| 16 | * Marvell Armada XP (all variants) | ||
| 17 | |||
| 18 | name pins functions | ||
| 19 | ================================================================================ | ||
| 20 | mpp0 0 gpio, ge0(txclko), lcd(d0) | ||
| 21 | mpp1 1 gpio, ge0(txd0), lcd(d1) | ||
| 22 | mpp2 2 gpio, ge0(txd1), lcd(d2) | ||
| 23 | mpp3 3 gpio, ge0(txd2), lcd(d3) | ||
| 24 | mpp4 4 gpio, ge0(txd3), lcd(d4) | ||
| 25 | mpp5 5 gpio, ge0(txctl), lcd(d5) | ||
| 26 | mpp6 6 gpio, ge0(rxd0), lcd(d6) | ||
| 27 | mpp7 7 gpio, ge0(rxd1), lcd(d7) | ||
| 28 | mpp8 8 gpio, ge0(rxd2), lcd(d8) | ||
| 29 | mpp9 9 gpio, ge0(rxd3), lcd(d9) | ||
| 30 | mpp10 10 gpio, ge0(rxctl), lcd(d10) | ||
| 31 | mpp11 11 gpio, ge0(rxclk), lcd(d11) | ||
| 32 | mpp12 12 gpio, ge0(txd4), ge1(txd0), lcd(d12) | ||
| 33 | mpp13 13 gpio, ge0(txd5), ge1(txd1), lcd(d13) | ||
| 34 | mpp14 14 gpio, ge0(txd6), ge1(txd2), lcd(d15) | ||
| 35 | mpp15 15 gpio, ge0(txd7), ge1(txd3), lcd(d16) | ||
| 36 | mpp16 16 gpio, ge0(txd7), ge1(txd3), lcd(d16) | ||
| 37 | mpp17 17 gpio, ge0(col), ge1(txctl), lcd(d17) | ||
| 38 | mpp18 18 gpio, ge0(rxerr), ge1(rxd0), lcd(d18), ptp(trig) | ||
| 39 | mpp19 19 gpio, ge0(crs), ge1(rxd1), lcd(d19), ptp(evreq) | ||
| 40 | mpp20 20 gpio, ge0(rxd4), ge1(rxd2), lcd(d20), ptp(clk) | ||
| 41 | mpp21 21 gpio, ge0(rxd5), ge1(rxd3), lcd(d21), mem(bat) | ||
| 42 | mpp22 22 gpio, ge0(rxd6), ge1(rxctl), lcd(d22), sata0(prsnt) | ||
| 43 | mpp23 23 gpio, ge0(rxd7), ge1(rxclk), lcd(d23), sata1(prsnt) | ||
| 44 | mpp24 24 gpio, lcd(hsync), sata1(prsnt), nf(bootcs-re), tdm(rst) | ||
| 45 | mpp25 25 gpio, lcd(vsync), sata0(prsnt), nf(bootcs-we), tdm(pclk) | ||
| 46 | mpp26 26 gpio, lcd(clk), tdm(fsync), vdd(cpu1-pd) | ||
| 47 | mpp27 27 gpio, lcd(e), tdm(dtx), ptp(trig) | ||
| 48 | mpp28 28 gpio, lcd(pwm), tdm(drx), ptp(evreq) | ||
| 49 | mpp29 29 gpio, lcd(ref-clk), tdm(int0), ptp(clk), vdd(cpu0-pd) | ||
| 50 | mpp30 30 gpio, tdm(int1), sd0(clk) | ||
| 51 | mpp31 31 gpio, tdm(int2), sd0(cmd), vdd(cpu0-pd) | ||
| 52 | mpp32 32 gpio, tdm(int3), sd0(d0), vdd(cpu1-pd) | ||
| 53 | mpp33 33 gpio, tdm(int4), sd0(d1), mem(bat) | ||
| 54 | mpp34 34 gpio, tdm(int5), sd0(d2), sata0(prsnt) | ||
| 55 | mpp35 35 gpio, tdm(int6), sd0(d3), sata1(prsnt) | ||
| 56 | mpp36 36 gpio, spi(mosi) | ||
| 57 | mpp37 37 gpio, spi(miso) | ||
| 58 | mpp38 38 gpio, spi(sck) | ||
| 59 | mpp39 39 gpio, spi(cs0) | ||
| 60 | mpp40 40 gpio, spi(cs1), uart2(cts), lcd(vga-hsync), vdd(cpu1-pd), | ||
| 61 | pcie(clkreq0) | ||
| 62 | mpp41 41 gpio, spi(cs2), uart2(rts), lcd(vga-vsync), sata1(prsnt), | ||
| 63 | pcie(clkreq1) | ||
| 64 | mpp42 42 gpio, uart2(rxd), uart0(cts), tdm(int7), tdm-1(timer), | ||
| 65 | vdd(cpu0-pd) | ||
| 66 | mpp43 43 gpio, uart2(txd), uart0(rts), spi(cs3), pcie(rstout), | ||
| 67 | vdd(cpu2-3-pd){1} | ||
| 68 | mpp44 44 gpio, uart2(cts), uart3(rxd), spi(cs4), pcie(clkreq2), | ||
| 69 | mem(bat) | ||
| 70 | mpp45 45 gpio, uart2(rts), uart3(txd), spi(cs5), sata1(prsnt) | ||
| 71 | mpp46 46 gpio, uart3(rts), uart1(rts), spi(cs6), sata0(prsnt) | ||
| 72 | mpp47 47 gpio, uart3(cts), uart1(cts), spi(cs7), pcie(clkreq3), | ||
| 73 | ref(clkout) | ||
| 74 | mpp48 48 gpio, tclk, dev(burst/last) | ||
| 75 | |||
| 76 | * Marvell Armada XP (mv78260 and mv78460 only) | ||
| 77 | |||
| 78 | name pins functions | ||
| 79 | ================================================================================ | ||
| 80 | mpp49 49 gpio, dev(we3) | ||
| 81 | mpp50 50 gpio, dev(we2) | ||
| 82 | mpp51 51 gpio, dev(ad16) | ||
| 83 | mpp52 52 gpio, dev(ad17) | ||
| 84 | mpp53 53 gpio, dev(ad18) | ||
| 85 | mpp54 54 gpio, dev(ad19) | ||
| 86 | mpp55 55 gpio, dev(ad20), vdd(cpu0-pd) | ||
| 87 | mpp56 56 gpio, dev(ad21), vdd(cpu1-pd) | ||
| 88 | mpp57 57 gpio, dev(ad22), vdd(cpu2-3-pd){1} | ||
| 89 | mpp58 58 gpio, dev(ad23) | ||
| 90 | mpp59 59 gpio, dev(ad24) | ||
| 91 | mpp60 60 gpio, dev(ad25) | ||
| 92 | mpp61 61 gpio, dev(ad26) | ||
| 93 | mpp62 62 gpio, dev(ad27) | ||
| 94 | mpp63 63 gpio, dev(ad28) | ||
| 95 | mpp64 64 gpio, dev(ad29) | ||
| 96 | mpp65 65 gpio, dev(ad30) | ||
| 97 | mpp66 66 gpio, dev(ad31) | ||
| 98 | |||
| 99 | Notes: | ||
| 100 | * {1} vdd(cpu2-3-pd) only available on mv78460. | ||
| @@ -0,0 +1,72 @@ | |||
| 1 | * Marvell Dove SoC pinctrl driver for mpp | ||
| 2 | |||
| 3 | Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding | ||
| 4 | part and usage. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "marvell,dove-pinctrl" | ||
| 8 | - clocks: (optional) phandle of pdma clock | ||
| 9 | |||
| 10 | Available mpp pins/groups and functions: | ||
| 11 | Note: brackets (x) are not part of the mpp name for marvell,function and given | ||
| 12 | only for more detailed description in this document. | ||
| 13 | |||
| 14 | name pins functions | ||
| 15 | ================================================================================ | ||
| 16 | mpp0 0 gpio, pmu, uart2(rts), sdio0(cd), lcd0(pwm) | ||
| 17 | mpp1 1 gpio, pmu, uart2(cts), sdio0(wp), lcd1(pwm) | ||
| 18 | mpp2 2 gpio, pmu, uart2(txd), sdio0(buspwr), sata(prsnt), | ||
| 19 | uart1(rts) | ||
| 20 | mpp3 3 gpio, pmu, uart2(rxd), sdio0(ledctrl), sata(act), | ||
| 21 | uart1(cts), lcd-spi(cs1) | ||
| 22 | mpp4 4 gpio, pmu, uart3(rts), sdio1(cd), spi1(miso) | ||
| 23 | mpp5 5 gpio, pmu, uart3(cts), sdio1(wp), spi1(cs) | ||
| 24 | mpp6 6 gpio, pmu, uart3(txd), sdio1(buspwr), spi1(mosi) | ||
| 25 | mpp7 7 gpio, pmu, uart3(rxd), sdio1(ledctrl), spi1(sck) | ||
| 26 | mpp8 8 gpio, pmu, watchdog(rstout) | ||
| 27 | mpp9 9 gpio, pmu, pex1(clkreq) | ||
| 28 | mpp10 10 gpio, pmu, ssp(sclk) | ||
| 29 | mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl), | ||
| 30 | sdio1(ledctrl), pex0(clkreq) | ||
| 31 | mpp12 12 gpio, pmu, uart2(rts), audio0(extclk), sdio1(cd), sata(act) | ||
| 32 | mpp13 13 gpio, pmu, uart2(cts), audio1(extclk), sdio1(wp), | ||
| 33 | ssp(extclk) | ||
| 34 | mpp14 14 gpio, pmu, uart2(txd), sdio1(buspwr), ssp(rxd) | ||
| 35 | mpp15 15 gpio, pmu, uart2(rxd), sdio1(ledctrl), ssp(sfrm) | ||
| 36 | mpp16 16 gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1) | ||
| 37 | mpp17 17 gpio, uart3(cts), sdio0(wp), ac97(sdi2), twsi(sda), | ||
| 38 | ac97-1(sysclko) | ||
| 39 | mpp18 18 gpio, uart3(txd), sdio0(buspwr), ac97(sdi3), lcd0(pwm) | ||
| 40 | mpp19 19 gpio, uart3(rxd), sdio0(ledctrl), twsi(sck) | ||
| 41 | mpp20 20 gpio, sdio0(cd), sdio1(cd), spi1(miso), lcd-spi(miso), | ||
| 42 | ac97(sysclko) | ||
| 43 | mpp21 21 gpio, sdio0(wp), sdio1(wp), spi1(cs), lcd-spi(cs0), | ||
| 44 | uart1(cts), ssp(sfrm) | ||
| 45 | mpp22 22 gpio, sdio0(buspwr), sdio1(buspwr), spi1(mosi), | ||
| 46 | lcd-spi(mosi), uart1(cts), ssp(txd) | ||
| 47 | mpp23 23 gpio, sdio0(ledctrl), sdio1(ledctrl), spi1(sck), | ||
| 48 | lcd-spi(sck), ssp(sclk) | ||
| 49 | mpp_camera 24-39 gpio, camera | ||
| 50 | mpp_sdio0 40-45 gpio, sdio0 | ||
| 51 | mpp_sdio1 46-51 gpio, sdio1 | ||
| 52 | mpp_audio1 52-57 gpio, i2s1/spdifo, i2s1, spdifo, twsi, ssp/spdifo, ssp, | ||
| 53 | ssp/twsi | ||
| 54 | mpp_spi0 58-61 gpio, spi0 | ||
| 55 | mpp_uart1 62-63 gpio, uart1 | ||
| 56 | mpp_nand 64-71 gpo, nand | ||
| 57 | audio0 - i2s, ac97 | ||
| 58 | twsi - none, opt1, opt2, opt3 | ||
| 59 | |||
| 60 | Notes: | ||
| 61 | * group "mpp_audio1" allows the following functions and gpio pins: | ||
| 62 | - gpio : gpio on pins 52-57 | ||
| 63 | - i2s1/spdifo : audio1 i2s on pins 52-55 and spdifo on 57, no gpios | ||
| 64 | - i2s1 : audio1 i2s on pins 52-55, gpio on pins 56,57 | ||
| 65 | - spdifo : spdifo on pin 57, gpio on pins 52-55 | ||
| 66 | - twsi : twsi on pins 56,57, gpio on pins 52-55 | ||
| 67 | - ssp/spdifo : ssp on pins 52-55, spdifo on pin 57, no gpios | ||
| 68 | - ssp : ssp on pins 52-55, gpio on pins 56,57 | ||
| 69 | - ssp/twsi : ssp on pins 52-55, twsi on pins 56,57, no gpios | ||
| 70 | * group "audio0" internally muxes i2s0 or ac97 controller to the dedicated | ||
| 71 | audio0 pins. | ||
| 72 | * group "twsi" internally muxes twsi controller to the dedicated or option pins. | ||
| @@ -0,0 +1,279 @@ | |||
| 1 | * Marvell Kirkwood SoC pinctrl driver for mpp | ||
| 2 | |||
| 3 | Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding | ||
| 4 | part and usage. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible: "marvell,88f6180-pinctrl", | ||
| 8 | "marvell,88f6190-pinctrl", "marvell,88f6192-pinctrl", | ||
| 9 | "marvell,88f6281-pinctrl", "marvell,88f6282-pinctrl" | ||
| 10 | |||
| 11 | This driver supports all kirkwood variants, i.e. 88f6180, 88f619x, and 88f628x. | ||
| 12 | |||
| 13 | Available mpp pins/groups and functions: | ||
| 14 | Note: brackets (x) are not part of the mpp name for marvell,function and given | ||
| 15 | only for more detailed description in this document. | ||
| 16 | |||
| 17 | * Marvell Kirkwood 88f6180 | ||
| 18 | |||
| 19 | name pins functions | ||
| 20 | ================================================================================ | ||
| 21 | mpp0 0 gpio, nand(io2), spi(cs) | ||
| 22 | mpp1 1 gpo, nand(io3), spi(mosi) | ||
| 23 | mpp2 2 gpo, nand(io4), spi(sck) | ||
| 24 | mpp3 3 gpo, nand(io5), spi(miso) | ||
| 25 | mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk) | ||
| 26 | mpp5 5 gpo, nand(io7), uart0(txd), ptp(trig) | ||
| 27 | mpp6 6 sysrst(out), spi(mosi), ptp(trig) | ||
| 28 | mpp7 7 gpo, pex(rsto), spi(cs), ptp(trig) | ||
| 29 | mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), ptp(clk), | ||
| 30 | mii(col) | ||
| 31 | mpp9 9 gpio, twsi(sck), uart0(cts), uart1(cts), ptp(evreq), | ||
| 32 | mii(crs) | ||
| 33 | mpp10 10 gpo, spi(sck), uart0(txd), ptp(trig) | ||
| 34 | mpp11 11 gpio, spi(miso), uart0(rxd), ptp(clk), ptp-1(evreq), | ||
| 35 | ptp-2(trig) | ||
| 36 | mpp12 12 gpo, sdio(clk) | ||
| 37 | mpp13 13 gpio, sdio(cmd), uart1(txd) | ||
| 38 | mpp14 14 gpio, sdio(d0), uart1(rxd), mii(col) | ||
| 39 | mpp15 15 gpio, sdio(d1), uart0(rts), uart1(txd) | ||
| 40 | mpp16 16 gpio, sdio(d2), uart0(cts), uart1(rxd), mii(crs) | ||
| 41 | mpp17 17 gpio, sdio(d3) | ||
| 42 | mpp18 18 gpo, nand(io0) | ||
| 43 | mpp19 19 gpo, nand(io1) | ||
| 44 | mpp20 20 gpio, mii(rxerr) | ||
| 45 | mpp21 21 gpio, audio(spdifi) | ||
| 46 | mpp22 22 gpio, audio(spdifo) | ||
| 47 | mpp23 23 gpio, audio(rmclk) | ||
| 48 | mpp24 24 gpio, audio(bclk) | ||
| 49 | mpp25 25 gpio, audio(sdo) | ||
| 50 | mpp26 26 gpio, audio(lrclk) | ||
| 51 | mpp27 27 gpio, audio(mclk) | ||
| 52 | mpp28 28 gpio, audio(sdi) | ||
| 53 | mpp29 29 gpio, audio(extclk) | ||
| 54 | |||
| 55 | * Marvell Kirkwood 88f6190 | ||
| 56 | |||
| 57 | name pins functions | ||
| 58 | ================================================================================ | ||
| 59 | mpp0 0 gpio, nand(io2), spi(cs) | ||
| 60 | mpp1 1 gpo, nand(io3), spi(mosi) | ||
| 61 | mpp2 2 gpo, nand(io4), spi(sck) | ||
| 62 | mpp3 3 gpo, nand(io5), spi(miso) | ||
| 63 | mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk) | ||
| 64 | mpp5 5 gpo, nand(io7), uart0(txd), ptp(trig), sata0(act) | ||
| 65 | mpp6 6 sysrst(out), spi(mosi), ptp(trig) | ||
| 66 | mpp7 7 gpo, pex(rsto), spi(cs), ptp(trig) | ||
| 67 | mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), ptp(clk), | ||
| 68 | mii(col), mii-1(rxerr) | ||
| 69 | mpp9 9 gpio, twsi(sck), uart0(cts), uart1(cts), ptp(evreq), | ||
| 70 | mii(crs), sata0(prsnt) | ||
| 71 | mpp10 10 gpo, spi(sck), uart0(txd), ptp(trig) | ||
| 72 | mpp11 11 gpio, spi(miso), uart0(rxd), ptp(clk), ptp-1(evreq), | ||
| 73 | ptp-2(trig), sata0(act) | ||
| 74 | mpp12 12 gpo, sdio(clk) | ||
| 75 | mpp13 13 gpio, sdio(cmd), uart1(txd) | ||
| 76 | mpp14 14 gpio, sdio(d0), uart1(rxd), mii(col) | ||
| 77 | mpp15 15 gpio, sdio(d1), uart0(rts), uart1(txd), sata0(act) | ||
| 78 | mpp16 16 gpio, sdio(d2), uart0(cts), uart1(rxd), mii(crs) | ||
| 79 | mpp17 17 gpio, sdio(d3), sata0(prsnt) | ||
| 80 | mpp18 18 gpo, nand(io0) | ||
| 81 | mpp19 19 gpo, nand(io1) | ||
| 82 | mpp20 20 gpio, ge1(txd0) | ||
| 83 | mpp21 21 gpio, ge1(txd1), sata0(act) | ||
| 84 | mpp22 22 gpio, ge1(txd2) | ||
| 85 | mpp23 23 gpio, ge1(txd3), sata0(prsnt) | ||
| 86 | mpp24 24 gpio, ge1(rxd0) | ||
| 87 | mpp25 25 gpio, ge1(rxd1) | ||
| 88 | mpp26 26 gpio, ge1(rxd2) | ||
| 89 | mpp27 27 gpio, ge1(rxd3) | ||
| 90 | mpp28 28 gpio, ge1(col) | ||
| 91 | mpp29 29 gpio, ge1(txclk) | ||
| 92 | mpp30 30 gpio, ge1(rxclk) | ||
| 93 | mpp31 31 gpio, ge1(rxclk) | ||
| 94 | mpp32 32 gpio, ge1(txclko) | ||
| 95 | mpp33 33 gpo, ge1(txclk) | ||
| 96 | mpp34 34 gpio, ge1(txen) | ||
| 97 | mpp35 35 gpio, ge1(rxerr), sata0(act), mii(rxerr) | ||
| 98 | |||
| 99 | * Marvell Kirkwood 88f6192 | ||
| 100 | |||
| 101 | name pins functions | ||
| 102 | ================================================================================ | ||
| 103 | mpp0 0 gpio, nand(io2), spi(cs) | ||
| 104 | mpp1 1 gpo, nand(io3), spi(mosi) | ||
| 105 | mpp2 2 gpo, nand(io4), spi(sck) | ||
| 106 | mpp3 3 gpo, nand(io5), spi(miso) | ||
| 107 | mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk), sata1(act) | ||
| 108 | mpp5 5 gpo, nand(io7), uart0(txd), ptp(trig), sata0(act) | ||
| 109 | mpp6 6 sysrst(out), spi(mosi), ptp(trig) | ||
| 110 | mpp7 7 gpo, pex(rsto), spi(cs), ptp(trig) | ||
| 111 | mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), ptp(clk), | ||
| 112 | mii(col), mii-1(rxerr), sata1(prsnt) | ||
| 113 | mpp9 9 gpio, twsi(sck), uart0(cts), uart1(cts), ptp(evreq), | ||
| 114 | mii(crs), sata0(prsnt) | ||
| 115 | mpp10 10 gpo, spi(sck), uart0(txd), ptp(trig), sata1(act) | ||
| 116 | mpp11 11 gpio, spi(miso), uart0(rxd), ptp(clk), ptp-1(evreq), | ||
| 117 | ptp-2(trig), sata0(act) | ||
| 118 | mpp12 12 gpo, sdio(clk) | ||
| 119 | mpp13 13 gpio, sdio(cmd), uart1(txd) | ||
| 120 | mpp14 14 gpio, sdio(d0), uart1(rxd), mii(col), sata1(prsnt) | ||
| 121 | mpp15 15 gpio, sdio(d1), uart0(rts), uart1(txd), sata0(act) | ||
| 122 | mpp16 16 gpio, sdio(d2), uart0(cts), uart1(rxd), mii(crs), | ||
| 123 | sata1(act) | ||
| 124 | mpp17 17 gpio, sdio(d3), sata0(prsnt) | ||
| 125 | mpp18 18 gpo, nand(io0) | ||
| 126 | mpp19 19 gpo, nand(io1) | ||
| 127 | mpp20 20 gpio, ge1(txd0), ts(mp0), tdm(tx0ql), audio(spdifi), | ||
| 128 | sata1(act) | ||
| 129 | mpp21 21 gpio, ge1(txd1), sata0(act), ts(mp1), tdm(rx0ql), | ||
| 130 | audio(spdifo) | ||
| 131 | mpp22 22 gpio, ge1(txd2), ts(mp2), tdm(tx2ql), audio(rmclk), | ||
| 132 | sata1(prsnt) | ||
| 133 | mpp23 23 gpio, ge1(txd3), sata0(prsnt), ts(mp3), tdm(rx2ql), | ||
| 134 | audio(bclk) | ||
| 135 | mpp24 24 gpio, ge1(rxd0), ts(mp4), tdm(spi-cs0), audio(sdo) | ||
| 136 | mpp25 25 gpio, ge1(rxd1), ts(mp5), tdm(spi-sck), audio(lrclk) | ||
| 137 | mpp26 26 gpio, ge1(rxd2), ts(mp6), tdm(spi-miso), audio(mclk) | ||
| 138 | mpp27 27 gpio, ge1(rxd3), ts(mp7), tdm(spi-mosi), audio(sdi) | ||
| 139 | mpp28 28 gpio, ge1(col), ts(mp8), tdm(int), audio(extclk) | ||
| 140 | mpp29 29 gpio, ge1(txclk), ts(mp9), tdm(rst) | ||
| 141 | mpp30 30 gpio, ge1(rxclk), ts(mp10), tdm(pclk) | ||
| 142 | mpp31 31 gpio, ge1(rxclk), ts(mp11), tdm(fs) | ||
| 143 | mpp32 32 gpio, ge1(txclko), ts(mp12), tdm(drx) | ||
| 144 | mpp33 33 gpo, ge1(txclk), tdm(drx) | ||
| 145 | mpp34 34 gpio, ge1(txen), tdm(spi-cs1) | ||
| 146 | mpp35 35 gpio, ge1(rxerr), sata0(act), mii(rxerr), tdm(tx0ql) | ||
| 147 | |||
| 148 | * Marvell Kirkwood 88f6281 | ||
| 149 | |||
| 150 | name pins functions | ||
| 151 | ================================================================================ | ||
| 152 | mpp0 0 gpio, nand(io2), spi(cs) | ||
| 153 | mpp1 1 gpo, nand(io3), spi(mosi) | ||
| 154 | mpp2 2 gpo, nand(io4), spi(sck) | ||
| 155 | mpp3 3 gpo, nand(io5), spi(miso) | ||
| 156 | mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk), sata1(act) | ||
| 157 | mpp5 5 gpo, nand(io7), uart0(txd), ptp(trig), sata0(act) | ||
| 158 | mpp6 6 sysrst(out), spi(mosi), ptp(trig) | ||
| 159 | mpp7 7 gpo, pex(rsto), spi(cs), ptp(trig) | ||
| 160 | mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), ptp(clk), | ||
| 161 | mii(col), mii-1(rxerr), sata1(prsnt) | ||
| 162 | mpp9 9 gpio, twsi(sck), uart0(cts), uart1(cts), ptp(evreq), | ||
| 163 | mii(crs), sata0(prsnt) | ||
| 164 | mpp10 10 gpo, spi(sck), uart0(txd), ptp(trig), sata1(act) | ||
| 165 | mpp11 11 gpio, spi(miso), uart0(rxd), ptp(clk), ptp-1(evreq), | ||
| 166 | ptp-2(trig), sata0(act) | ||
| 167 | mpp12 12 gpio, sdio(clk) | ||
| 168 | mpp13 13 gpio, sdio(cmd), uart1(txd) | ||
| 169 | mpp14 14 gpio, sdio(d0), uart1(rxd), mii(col), sata1(prsnt) | ||
| 170 | mpp15 15 gpio, sdio(d1), uart0(rts), uart1(txd), sata0(act) | ||
| 171 | mpp16 16 gpio, sdio(d2), uart0(cts), uart1(rxd), mii(crs), | ||
| 172 | sata1(act) | ||
| 173 | mpp17 17 gpio, sdio(d3), sata0(prsnt) | ||
| 174 | mpp18 18 gpo, nand(io0) | ||
| 175 | mpp19 19 gpo, nand(io1) | ||
| 176 | mpp20 20 gpio, ge1(txd0), ts(mp0), tdm(tx0ql), audio(spdifi), | ||
| 177 | sata1(act) | ||
| 178 | mpp21 21 gpio, ge1(txd1), sata0(act), ts(mp1), tdm(rx0ql), | ||
| 179 | audio(spdifo) | ||
| 180 | mpp22 22 gpio, ge1(txd2), ts(mp2), tdm(tx2ql), audio(rmclk), | ||
| 181 | sata1(prsnt) | ||
| 182 | mpp23 23 gpio, ge1(txd3), sata0(prsnt), ts(mp3), tdm(rx2ql), | ||
| 183 | audio(bclk) | ||
| 184 | mpp24 24 gpio, ge1(rxd0), ts(mp4), tdm(spi-cs0), audio(sdo) | ||
| 185 | mpp25 25 gpio, ge1(rxd1), ts(mp5), tdm(spi-sck), audio(lrclk) | ||
| 186 | mpp26 26 gpio, ge1(rxd2), ts(mp6), tdm(spi-miso), audio(mclk) | ||
| 187 | mpp27 27 gpio, ge1(rxd3), ts(mp7), tdm(spi-mosi), audio(sdi) | ||
| 188 | mpp28 28 gpio, ge1(col), ts(mp8), tdm(int), audio(extclk) | ||
| 189 | mpp29 29 gpio, ge1(txclk), ts(mp9), tdm(rst) | ||
| 190 | mpp30 30 gpio, ge1(rxclk), ts(mp10), tdm(pclk) | ||
| 191 | mpp31 31 gpio, ge1(rxclk), ts(mp11), tdm(fs) | ||
| 192 | mpp32 32 gpio, ge1(txclko), ts(mp12), tdm(drx) | ||
| 193 | mpp33 33 gpo, ge1(txclk), tdm(drx) | ||
| 194 | mpp34 34 gpio, ge1(txen), tdm(spi-cs1), sata1(act) | ||
| 195 | mpp35 35 gpio, ge1(rxerr), sata0(act), mii(rxerr), tdm(tx0ql) | ||
| 196 | mpp36 36 gpio, ts(mp0), tdm(spi-cs1), audio(spdifi) | ||
| 197 | mpp37 37 gpio, ts(mp1), tdm(tx2ql), audio(spdifo) | ||
| 198 | mpp38 38 gpio, ts(mp2), tdm(rx2ql), audio(rmclk) | ||
| 199 | mpp39 39 gpio, ts(mp3), tdm(spi-cs0), audio(bclk) | ||
| 200 | mpp40 40 gpio, ts(mp4), tdm(spi-sck), audio(sdo) | ||
| 201 | mpp41 41 gpio, ts(mp5), tdm(spi-miso), audio(lrclk) | ||
| 202 | mpp42 42 gpio, ts(mp6), tdm(spi-mosi), audio(mclk) | ||
| 203 | mpp43 43 gpio, ts(mp7), tdm(int), audio(sdi) | ||
| 204 | mpp44 44 gpio, ts(mp8), tdm(rst), audio(extclk) | ||
| 205 | mpp45 45 gpio, ts(mp9), tdm(pclk) | ||
| 206 | mpp46 46 gpio, ts(mp10), tdm(fs) | ||
| 207 | mpp47 47 gpio, ts(mp11), tdm(drx) | ||
| 208 | mpp48 48 gpio, ts(mp12), tdm(dtx) | ||
| 209 | mpp49 49 gpio, ts(mp9), tdm(rx0ql), ptp(clk) | ||
| 210 | |||
| 211 | * Marvell Kirkwood 88f6282 | ||
| 212 | |||
| 213 | name pins functions | ||
| 214 | ================================================================================ | ||
| 215 | mpp0 0 gpio, nand(io2), spi(cs) | ||
| 216 | mpp1 1 gpo, nand(io3), spi(mosi) | ||
| 217 | mpp2 2 gpo, nand(io4), spi(sck) | ||
| 218 | mpp3 3 gpo, nand(io5), spi(miso) | ||
| 219 | mpp4 4 gpio, nand(io6), uart0(rxd), sata1(act), lcd(hsync) | ||
| 220 | mpp5 5 gpo, nand(io7), uart0(txd), sata0(act), lcd(vsync) | ||
| 221 | mpp6 6 sysrst(out), spi(mosi) | ||
| 222 | mpp7 7 gpo, spi(cs), lcd(pwm) | ||
| 223 | mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), mii(col), | ||
| 224 | mii-1(rxerr), sata1(prsnt) | ||
| 225 | mpp9 9 gpio, twsi(sck), uart0(cts), uart1(cts), mii(crs), | ||
| 226 | sata0(prsnt) | ||
| 227 | mpp10 10 gpo, spi(sck), uart0(txd), sata1(act) | ||
| 228 | mpp11 11 gpio, spi(miso), uart0(rxd), sata0(act) | ||
| 229 | mpp12 12 gpo, sdio(clk), audio(spdifo), spi(mosi), twsi(sda) | ||
| 230 | mpp13 13 gpio, sdio(cmd), uart1(txd), audio(rmclk), lcd(pwm) | ||
| 231 | mpp14 14 gpio, sdio(d0), uart1(rxd), mii(col), sata1(prsnt), | ||
| 232 | audio(spdifi), audio-1(sdi) | ||
| 233 | mpp15 15 gpio, sdio(d1), uart0(rts), uart1(txd), sata0(act), | ||
| 234 | spi(cs) | ||
| 235 | mpp16 16 gpio, sdio(d2), uart0(cts), uart1(rxd), mii(crs), | ||
| 236 | sata1(act), lcd(extclk) | ||
| 237 | mpp17 17 gpio, sdio(d3), sata0(prsnt), sata1(act), twsi1(sck) | ||
| 238 | mpp18 18 gpo, nand(io0), pex(clkreq) | ||
| 239 | mpp19 19 gpo, nand(io1) | ||
| 240 | mpp20 20 gpio, ge1(txd0), ts(mp0), tdm(tx0ql), audio(spdifi), | ||
| 241 | sata1(act), lcd(d0) | ||
| 242 | mpp21 21 gpio, ge1(txd1), sata0(act), ts(mp1), tdm(rx0ql), | ||
| 243 | audio(spdifo), lcd(d1) | ||
| 244 | mpp22 22 gpio, ge1(txd2), ts(mp2), tdm(tx2ql), audio(rmclk), | ||
| 245 | sata1(prsnt), lcd(d2) | ||
| 246 | mpp23 23 gpio, ge1(txd3), sata0(prsnt), ts(mp3), tdm(rx2ql), | ||
| 247 | audio(bclk), lcd(d3) | ||
| 248 | mpp24 24 gpio, ge1(rxd0), ts(mp4), tdm(spi-cs0), audio(sdo), | ||
| 249 | lcd(d4) | ||
| 250 | mpp25 25 gpio, ge1(rxd1), ts(mp5), tdm(spi-sck), audio(lrclk), | ||
| 251 | lcd(d5) | ||
| 252 | mpp26 26 gpio, ge1(rxd2), ts(mp6), tdm(spi-miso), audio(mclk), | ||
| 253 | lcd(d6) | ||
| 254 | mpp27 27 gpio, ge1(rxd3), ts(mp7), tdm(spi-mosi), audio(sdi), | ||
| 255 | lcd(d7) | ||
| 256 | mpp28 28 gpio, ge1(col), ts(mp8), tdm(int), audio(extclk), | ||
| 257 | lcd(d8) | ||
| 258 | mpp29 29 gpio, ge1(txclk), ts(mp9), tdm(rst), lcd(d9) | ||
| 259 | mpp30 30 gpio, ge1(rxclk), ts(mp10), tdm(pclk), lcd(d10) | ||
| 260 | mpp31 31 gpio, ge1(rxclk), ts(mp11), tdm(fs), lcd(d11) | ||
| 261 | mpp32 32 gpio, ge1(txclko), ts(mp12), tdm(drx), lcd(d12) | ||
| 262 | mpp33 33 gpo, ge1(txclk), tdm(drx), lcd(d13) | ||
| 263 | mpp34 34 gpio, ge1(txen), tdm(spi-cs1), sata1(act), lcd(d14) | ||
| 264 | mpp35 35 gpio, ge1(rxerr), sata0(act), mii(rxerr), tdm(tx0ql), | ||
| 265 | lcd(d15) | ||
| 266 | mpp36 36 gpio, ts(mp0), tdm(spi-cs1), audio(spdifi), twsi1(sda) | ||
| 267 | mpp37 37 gpio, ts(mp1), tdm(tx2ql), audio(spdifo), twsi1(sck) | ||
| 268 | mpp38 38 gpio, ts(mp2), tdm(rx2ql), audio(rmclk), lcd(d18) | ||
| 269 | mpp39 39 gpio, ts(mp3), tdm(spi-cs0), audio(bclk), lcd(d19) | ||
| 270 | mpp40 40 gpio, ts(mp4), tdm(spi-sck), audio(sdo), lcd(d20) | ||
| 271 | mpp41 41 gpio, ts(mp5), tdm(spi-miso), audio(lrclk), lcd(d21) | ||
| 272 | mpp42 42 gpio, ts(mp6), tdm(spi-mosi), audio(mclk), lcd(d22) | ||
| 273 | mpp43 43 gpio, ts(mp7), tdm(int), audio(sdi), lcd(d23) | ||
| 274 | mpp44 44 gpio, ts(mp8), tdm(rst), audio(extclk), lcd(clk) | ||
| 275 | mpp45 45 gpio, ts(mp9), tdm(pclk), lcd(e) | ||
| 276 | mpp46 46 gpio, ts(mp10), tdm(fs), lcd(hsync) | ||
| 277 | mpp47 47 gpio, ts(mp11), tdm(drx), lcd(vsync) | ||
| 278 | mpp48 48 gpio, ts(mp12), tdm(dtx), lcd(d16) | ||
| 279 | mpp49 49 gpo, tdm(rx0ql), pex(clkreq), lcd(d17) | ||
| @@ -0,0 +1,46 @@ | |||
| 1 | * Marvell SoC pinctrl core driver for mpp | ||
| 2 | |||
| 3 | The pinctrl driver enables Marvell SoCs to configure the multi-purpose pins | ||
| 4 | (mpp) to a specific function. For each SoC family there is a SoC specific | ||
| 5 | driver using this core driver. | ||
| 6 | |||
| 7 | Please refer to pinctrl-bindings.txt in this directory for details of the | ||
| 8 | common pinctrl bindings used by client devices, including the meaning of the | ||
| 9 | phrase "pin configuration node". | ||
| 10 | |||
| 11 | A Marvell SoC pin configuration node is a node of a group of pins which can | ||
| 12 | be used for a specific device or function. Each node requires one or more | ||
| 13 | mpp pins or group of pins and a mpp function common to all pins. | ||
| 14 | |||
| 15 | Required properties for pinctrl driver: | ||
| 16 | - compatible: "marvell,<soc>-pinctrl" | ||
| 17 | Please refer to each marvell,<soc>-pinctrl.txt binding doc for supported SoCs. | ||
| 18 | |||
| 19 | Required properties for pin configuration node: | ||
| 20 | - marvell,pins: string array of mpp pins or group of pins to be muxed. | ||
| 21 | - marvell,function: string representing a function to mux to for all | ||
| 22 | marvell,pins given in this pin configuration node. The function has to be | ||
| 23 | common for all marvell,pins. Please refer to marvell,<soc>-pinctrl.txt for | ||
| 24 | valid pin/pin group names and available function names for each SoC. | ||
| 25 | |||
| 26 | Examples: | ||
| 27 | |||
| 28 | uart1: serial@12100 { | ||
| 29 | compatible = "ns16550a"; | ||
| 30 | reg = <0x12100 0x100>; | ||
| 31 | reg-shift = <2>; | ||
| 32 | interrupts = <7>; | ||
| 33 | |||
| 34 | pinctrl-0 = <&pmx_uart1_sw>; | ||
| 35 | pinctrl-names = "default"; | ||
| 36 | }; | ||
| 37 | |||
| 38 | pinctrl: pinctrl@d0200 { | ||
| 39 | compatible = "marvell,dove-pinctrl"; | ||
| 40 | reg = <0xd0200 0x20>; | ||
| 41 | |||
| 42 | pmx_uart1_sw: pmx-uart1-sw { | ||
| 43 | marvell,pins = "mpp_uart1"; | ||
| 44 | marvell,function = "uart1"; | ||
| 45 | }; | ||
| 46 | }; | ||
| @@ -93,7 +93,7 @@ Valid values for pin and group names are: · 92 unmodified lines | |||
| 93 | 93 | ||
| 94 | With some exceptions, these support nvidia,high-speed-mode, | 94 | With some exceptions, these support nvidia,high-speed-mode, |
| 95 | nvidia,schmitt, nvidia,low-power-mode, nvidia,pull-down-strength, | 95 | nvidia,schmitt, nvidia,low-power-mode, nvidia,pull-down-strength, |
| 96 | nvidia,pull-up-strength, nvidia,slew_rate-rising, nvidia,slew_rate-falling. | 96 | nvidia,pull-up-strength, nvidia,slew-rate-rising, nvidia,slew-rate-falling. |
| 97 | 97 | ||
| 98 | drive_ao1, drive_ao2, drive_at1, drive_at2, drive_cdev1, drive_cdev2, | 98 | drive_ao1, drive_ao2, drive_at1, drive_at2, drive_cdev1, drive_cdev2, |
| 99 | drive_csus, drive_dap1, drive_dap2, drive_dap3, drive_dap4, drive_dbg, | 99 | drive_csus, drive_dap1, drive_dap2, drive_dap3, drive_dap4, drive_dbg, |
| @@ -83,7 +83,7 @@ Valid values for pin and group names are: · 82 unmodified lines | |||
| 83 | drive groups: | 83 | drive groups: |
| 84 | 84 | ||
| 85 | These all support nvidia,pull-down-strength, nvidia,pull-up-strength, | 85 | These all support nvidia,pull-down-strength, nvidia,pull-up-strength, |
| 86 | nvidia,slew_rate-rising, nvidia,slew_rate-falling. Most but not all | 86 | nvidia,slew-rate-rising, nvidia,slew-rate-falling. Most but not all |
| 87 | support nvidia,high-speed-mode, nvidia,schmitt, nvidia,low-power-mode. | 87 | support nvidia,high-speed-mode, nvidia,schmitt, nvidia,low-power-mode. |
| 88 | 88 | ||
| 89 | ao1, ao2, at1, at2, at3, at4, at5, cdev1, cdev2, cec, crt, csus, dap1, | 89 | ao1, ao2, at1, at2, at3, at4, at5, cdev1, cdev2, cec, crt, csus, dap1, |
| @@ -14,10 +14,12 @@ Optional properties: · 13 unmodified lines | |||
| 14 | - pinctrl-single,function-off : function off mode for disabled state if | 14 | - pinctrl-single,function-off : function off mode for disabled state if |
| 15 | available and same for all registers; if not specified, disabling of | 15 | available and same for all registers; if not specified, disabling of |
| 16 | pin functions is ignored | 16 | pin functions is ignored |
| 17 | - pinctrl-single,bit-per-mux : boolean to indicate that one register controls | ||
| 18 | more than one pin | ||
| 17 | 19 | ||
| 18 | This driver assumes that there is only one register for each pin, | 20 | This driver assumes that there is only one register for each pin (unless the |
| 19 | and uses the common pinctrl bindings as specified in the pinctrl-bindings.txt | 21 | pinctrl-single,bit-per-mux is set), and uses the common pinctrl bindings as |
| 20 | document in this directory. | 22 | specified in the pinctrl-bindings.txt document in this directory. |
| 21 | 23 | ||
| 22 | The pin configuration nodes for pinctrl-single are specified as pinctrl | 24 | The pin configuration nodes for pinctrl-single are specified as pinctrl |
| 23 | register offset and value pairs using pinctrl-single,pins. Only the bits | 25 | register offset and value pairs using pinctrl-single,pins. Only the bits |
| @@ -31,6 +33,15 @@ device pinctrl register, and 0x118 contains the desired value of the · 7 unmodified lines | |||
| 31 | pinctrl register. See the device example and static board pins example | 33 | pinctrl register. See the device example and static board pins example |
| 32 | below for more information. | 34 | below for more information. |
| 33 | 35 | ||
| 36 | In case when one register changes more than one pin's mux the | ||
| 37 | pinctrl-single,bits need to be used which takes three parameters: | ||
| 38 | |||
| 39 | pinctrl-single,bits = <0xdc 0x18, 0xff>; | ||
| 40 | |||
| 41 | Where 0xdc is the offset from the pinctrl register base address for the | ||
| 42 | device pinctrl register, 0x18 is the desired value, and 0xff is the sub mask to | ||
| 43 | be used when applying this change to the register. | ||
| 44 | |||
| 34 | Example: | 45 | Example: |
| 35 | 46 | ||
| 36 | /* SoC common file */ | 47 | /* SoC common file */ |
| @@ -55,6 +66,15 @@ pmx_wkup: pinmux@4a31e040 { · 18 unmodified lines | |||
| 55 | pinctrl-single,function-mask = <0xffff>; | 66 | pinctrl-single,function-mask = <0xffff>; |
| 56 | }; | 67 | }; |
| 57 | 68 | ||
| 69 | control_devconf0: pinmux@48002274 { | ||
| 70 | compatible = "pinctrl-single"; | ||
| 71 | reg = <0x48002274 4>; /* Single register */ | ||
| 72 | #address-cells = <1>; | ||
| 73 | #size-cells = <0>; | ||
| 74 | pinctrl-single,bit-per-mux; | ||
| 75 | pinctrl-single,register-width = <32>; | ||
| 76 | pinctrl-single,function-mask = <0x5F>; | ||
| 77 | }; | ||
| 58 | 78 | ||
| 59 | /* board specific .dts file */ | 79 | /* board specific .dts file */ |
| 60 | 80 | ||
| @@ -87,6 +107,21 @@ pmx_wkup: pinmux@4a31e040 { · 26 unmodified lines | |||
| 87 | }; | 107 | }; |
| 88 | }; | 108 | }; |
| 89 | 109 | ||
| 110 | &control_devconf0 { | ||
| 111 | mcbsp1_pins: pinmux_mcbsp1_pins { | ||
| 112 | pinctrl-single,bits = < | ||
| 113 | 0x00 0x18 0x18 /* FSR/CLKR signal from FSX/CLKX pin */ | ||
| 114 | >; | ||
| 115 | }; | ||
| 116 | |||
| 117 | mcbsp2_clks_pins: pinmux_mcbsp2_clks_pins { | ||
| 118 | pinctrl-single,bits = < | ||
| 119 | 0x00 0x40 0x40 /* McBSP2 CLKS from McBSP_CLKS pin */ | ||
| 120 | >; | ||
| 121 | }; | ||
| 122 | |||
| 123 | }; | ||
| 124 | |||
| 90 | &uart2 { | 125 | &uart2 { |
| 91 | pinctrl-names = "default"; | 126 | pinctrl-names = "default"; |
| 92 | pinctrl-0 = <&uart2_pins>; | 127 | pinctrl-0 = <&uart2_pins>; |
| @@ -0,0 +1,196 @@ | |||
| 1 | Samsung GPIO and Pin Mux/Config controller | ||
| 2 | |||
| 3 | Samsung's ARM based SoC's integrates a GPIO and Pin mux/config hardware | ||
| 4 | controller. It controls the input/output settings on the available pads/pins | ||
| 5 | and also provides ability to multiplex and configure the output of various | ||
| 6 | on-chip controllers onto these pads. | ||
| 7 | |||
| 8 | Required Properties: | ||
| 9 | - compatible: should be one of the following. | ||
| 10 | - "samsung,pinctrl-exynos4210": for Exynos4210 compatible pin-controller. | ||
| 11 | - "samsung,pinctrl-exynos5250": for Exynos5250 compatible pin-controller. | ||
| 12 | |||
| 13 | - reg: Base address of the pin controller hardware module and length of | ||
| 14 | the address space it occupies. | ||
| 15 | |||
| 16 | - interrupts: interrupt specifier for the controller. The format and value of | ||
| 17 | the interrupt specifier depends on the interrupt parent for the controller. | ||
| 18 | |||
| 19 | - Pin mux/config groups as child nodes: The pin mux (selecting pin function | ||
| 20 | mode) and pin config (pull up/down, driver strength) settings are represented | ||
| 21 | as child nodes of the pin-controller node. There should be atleast one | ||
| 22 | child node and there is no limit on the count of these child nodes. | ||
| 23 | |||
| 24 | The child node should contain a list of pin(s) on which a particular pin | ||
| 25 | function selection or pin configuration (or both) have to applied. This | ||
| 26 | list of pins is specified using the property name "samsung,pins". There | ||
| 27 | should be atleast one pin specfied for this property and there is no upper | ||
| 28 | limit on the count of pins that can be specified. The pins are specified | ||
| 29 | using pin names which are derived from the hardware manual of the SoC. As | ||
| 30 | an example, the pins in GPA0 bank of the pin controller can be represented | ||
| 31 | as "gpa0-0", "gpa0-1", "gpa0-2" and so on. The names should be in lower case. | ||
| 32 | The format of the pin names should be (as per the hardware manual) | ||
| 33 | "[pin bank name]-[pin number within the bank]". | ||
| 34 | |||
| 35 | The pin function selection that should be applied on the pins listed in the | ||
| 36 | child node is specified using the "samsung,pin-function" property. The value | ||
| 37 | of this property that should be applied to each of the pins listed in the | ||
| 38 | "samsung,pins" property should be picked from the hardware manual of the SoC | ||
| 39 | for the specified pin group. This property is optional in the child node if | ||
| 40 | no specific function selection is desired for the pins listed in the child | ||
| 41 | node. The value of this property is used as-is to program the pin-controller | ||
| 42 | function selector register of the pin-bank. | ||
| 43 | |||
| 44 | The child node can also optionally specify one or more of the pin | ||
| 45 | configuration that should be applied on all the pins listed in the | ||
| 46 | "samsung,pins" property of the child node. The following pin configuration | ||
| 47 | properties are supported. | ||
| 48 | |||
| 49 | - samsung,pin-pud: Pull up/down configuration. | ||
| 50 | - samsung,pin-drv: Drive strength configuration. | ||
| 51 | - samsung,pin-pud-pdn: Pull up/down configuration in power down mode. | ||
| 52 | - samsung,pin-drv-pdn: Drive strength configuration in power down mode. | ||
| 53 | |||
| 54 | The values specified by these config properties should be derived from the | ||
| 55 | hardware manual and these values are programmed as-is into the pin | ||
| 56 | pull up/down and driver strength register of the pin-controller. | ||
| 57 | |||
| 58 | Note: A child should include atleast a pin function selection property or | ||
| 59 | pin configuration property (one or more) or both. | ||
| 60 | |||
| 61 | The client nodes that require a particular pin function selection and/or | ||
| 62 | pin configuration should use the bindings listed in the "pinctrl-bindings.txt" | ||
| 63 | file. | ||
| 64 | |||
| 65 | External GPIO and Wakeup Interrupts: | ||
| 66 | |||
| 67 | The controller supports two types of external interrupts over gpio. The first | ||
| 68 | is the external gpio interrupt and second is the external wakeup interrupts. | ||
| 69 | The difference between the two is that the external wakeup interrupts can be | ||
| 70 | used as system wakeup events. | ||
| 71 | |||
| 72 | A. External GPIO Interrupts: For supporting external gpio interrupts, the | ||
| 73 | following properties should be specified in the pin-controller device node. | ||
| 74 | |||
| 75 | - interrupt-controller: identifies the controller node as interrupt-parent. | ||
| 76 | - #interrupt-cells: the value of this property should be 2. | ||
| 77 | - First Cell: represents the external gpio interrupt number local to the | ||
| 78 | external gpio interrupt space of the controller. | ||
| 79 | - Second Cell: flags to identify the type of the interrupt | ||
| 80 | - 1 = rising edge triggered | ||
| 81 | - 2 = falling edge triggered | ||
| 82 | - 3 = rising and falling edge triggered | ||
| 83 | - 4 = high level triggered | ||
| 84 | - 8 = low level triggered | ||
| 85 | |||
| 86 | B. External Wakeup Interrupts: For supporting external wakeup interrupts, a | ||
| 87 | child node representing the external wakeup interrupt controller should be | ||
| 88 | included in the pin-controller device node. This child node should include | ||
| 89 | the following properties. | ||
| 90 | |||
| 91 | - compatible: identifies the type of the external wakeup interrupt controller | ||
| 92 | The possible values are: | ||
| 93 | - samsung,exynos4210-wakeup-eint: represents wakeup interrupt controller | ||
| 94 | found on Samsung Exynos4210 SoC. | ||
| 95 | - interrupt-parent: phandle of the interrupt parent to which the external | ||
| 96 | wakeup interrupts are forwarded to. | ||
| 97 | - interrupt-controller: identifies the node as interrupt-parent. | ||
| 98 | - #interrupt-cells: the value of this property should be 2 | ||
| 99 | - First Cell: represents the external wakeup interrupt number local to | ||
| 100 | the external wakeup interrupt space of the controller. | ||
| 101 | - Second Cell: flags to identify the type of the interrupt | ||
| 102 | - 1 = rising edge triggered | ||
| 103 | - 2 = falling edge triggered | ||
| 104 | - 3 = rising and falling edge triggered | ||
| 105 | - 4 = high level triggered | ||
| 106 | - 8 = low level triggered | ||
| 107 | |||
| 108 | Aliases: | ||
| 109 | |||
| 110 | All the pin controller nodes should be represented in the aliases node using | ||
| 111 | the following format 'pinctrl{n}' where n is a unique number for the alias. | ||
| 112 | |||
| 113 | Example 1: A pin-controller node with pin groups. | ||
| 114 | |||
| 115 | pinctrl_0: pinctrl@11400000 { | ||
| 116 | compatible = "samsung,pinctrl-exynos4210"; | ||
| 117 | reg = <0x11400000 0x1000>; | ||
| 118 | interrupts = <0 47 0>; | ||
| 119 | |||
| 120 | uart0_data: uart0-data { | ||
| 121 | samsung,pins = "gpa0-0", "gpa0-1"; | ||
| 122 | samsung,pin-function = <2>; | ||
| 123 | samsung,pin-pud = <0>; | ||
| 124 | samsung,pin-drv = <0>; | ||
| 125 | }; | ||
| 126 | |||
| 127 | uart0_fctl: uart0-fctl { | ||
| 128 | samsung,pins = "gpa0-2", "gpa0-3"; | ||
| 129 | samsung,pin-function = <2>; | ||
| 130 | samsung,pin-pud = <0>; | ||
| 131 | samsung,pin-drv = <0>; | ||
| 132 | }; | ||
| 133 | |||
| 134 | uart1_data: uart1-data { | ||
| 135 | samsung,pins = "gpa0-4", "gpa0-5"; | ||
| 136 | samsung,pin-function = <2>; | ||
| 137 | samsung,pin-pud = <0>; | ||
| 138 | samsung,pin-drv = <0>; | ||
| 139 | }; | ||
| 140 | |||
| 141 | uart1_fctl: uart1-fctl { | ||
| 142 | samsung,pins = "gpa0-6", "gpa0-7"; | ||
| 143 | samsung,pin-function = <2>; | ||
| 144 | samsung,pin-pud = <0>; | ||
| 145 | samsung,pin-drv = <0>; | ||
| 146 | }; | ||
| 147 | |||
| 148 | i2c2_bus: i2c2-bus { | ||
| 149 | samsung,pins = "gpa0-6", "gpa0-7"; | ||
| 150 | samsung,pin-function = <3>; | ||
| 151 | samsung,pin-pud = <3>; | ||
| 152 | samsung,pin-drv = <0>; | ||
| 153 | }; | ||
| 154 | }; | ||
| 155 | |||
| 156 | Example 2: A pin-controller node with external wakeup interrupt controller node. | ||
| 157 | |||
| 158 | pinctrl_1: pinctrl@11000000 { | ||
| 159 | compatible = "samsung,pinctrl-exynos4210"; | ||
| 160 | reg = <0x11000000 0x1000>; | ||
| 161 | interrupts = <0 46 0>; | ||
| 162 | interrupt-controller; | ||
| 163 | #interrupt-cells = <2>; | ||
| 164 | |||
| 165 | wakup_eint: wakeup-interrupt-controller { | ||
| 166 | compatible = "samsung,exynos4210-wakeup-eint"; | ||
| 167 | interrupt-parent = <&gic>; | ||
| 168 | interrupt-controller; | ||
| 169 | #interrupt-cells = <2>; | ||
| 170 | interrupts = <0 16 0>, <0 17 0>, <0 18 0>, <0 19 0>, | ||
| 171 | <0 20 0>, <0 21 0>, <0 22 0>, <0 23 0>, | ||
| 172 | <0 24 0>, <0 25 0>, <0 26 0>, <0 27 0>, | ||
| 173 | <0 28 0>, <0 29 0>, <0 30 0>, <0 31 0>, | ||
| 174 | <0 32 0>; | ||
| 175 | }; | ||
| 176 | }; | ||
| 177 | |||
| 178 | Example 3: A uart client node that supports 'default' and 'flow-control' states. | ||
| 179 | |||
| 180 | uart@13800000 { | ||
| 181 | compatible = "samsung,exynos4210-uart"; | ||
| 182 | reg = <0x13800000 0x100>; | ||
| 183 | interrupts = <0 52 0>; | ||
| 184 | pinctrl-names = "default", "flow-control; | ||
| 185 | pinctrl-0 = <&uart0_data>; | ||
| 186 | pinctrl-1 = <&uart0_data &uart0_fctl>; | ||
| 187 | }; | ||
| 188 | |||
| 189 | Example 4: Set up the default pin state for uart controller. | ||
| 190 | |||
| 191 | static int s3c24xx_serial_probe(struct platform_device *pdev) { | ||
| 192 | struct pinctrl *pinctrl; | ||
| 193 | ... | ||
| 194 | ... | ||
| 195 | pinctrl = devm_pinctrl_get_select_default(&pdev->dev); | ||
| 196 | } | ||
| @@ -0,0 +1,25 @@ | |||
| 1 | * Generic OPP Interface | ||
| 2 | |||
| 3 | SoCs have a standard set of tuples consisting of frequency and | ||
| 4 | voltage pairs that the device will support per voltage domain. These | ||
| 5 | are called Operating Performance Points or OPPs. | ||
| 6 | |||
| 7 | Properties: | ||
| 8 | - operating-points: An array of 2-tuples items, and each item consists | ||
| 9 | of frequency and voltage like <freq-kHz vol-uV>. | ||
| 10 | freq: clock frequency in kHz | ||
| 11 | vol: voltage in microvolt | ||
| 12 | |||
| 13 | Examples: | ||
| 14 | |||
| 15 | cpu@0 { | ||
| 16 | compatible = "arm,cortex-a9"; | ||
| 17 | reg = <0>; | ||
| 18 | next-level-cache = <&L2>; | ||
| 19 | operating-points = < | ||
| 20 | /* kHz uV */ | ||
| 21 | 792000 1100000 | ||
| 22 | 396000 950000 | ||
| 23 | 198000 850000 | ||
| 24 | >; | ||
| 25 | }; | ||
| @@ -12,9 +12,12 @@ Properties: · 11 unmodified lines | |||
| 12 | - #size-cells : Either one or two, depending on how large each chipselect | 12 | - #size-cells : Either one or two, depending on how large each chipselect |
| 13 | can be. | 13 | can be. |
| 14 | - reg : Offset and length of the register set for the device | 14 | - reg : Offset and length of the register set for the device |
| 15 | - interrupts : IFC has two interrupts. The first one is the "common" | 15 | - interrupts: IFC may have one or two interrupts. If two interrupt |
| 16 | interrupt(CM_EVTER_STAT), and second is the NAND interrupt | 16 | specifiers are present, the first is the "common" |
| 17 | (NAND_EVTER_STAT). | 17 | interrupt (CM_EVTER_STAT), and the second is the NAND |
| 18 | interrupt (NAND_EVTER_STAT). If there is only one, | ||
| 19 | that interrupt reports both types of event. | ||
| 20 | |||
| 18 | 21 | ||
| 19 | - ranges : Each range corresponds to a single chipselect, and covers | 22 | - ranges : Each range corresponds to a single chipselect, and covers |
| 20 | the entire access window as configured. | 23 | the entire access window as configured. |
| @@ -0,0 +1,17 @@ | |||
| 1 | Freescale i.MX PWM controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: should be "fsl,<soc>-pwm" | ||
| 5 | - reg: physical base address and length of the controller's registers | ||
| 6 | - #pwm-cells: should be 2. The first cell specifies the per-chip index | ||
| 7 | of the PWM to use and the second cell is the period in nanoseconds. | ||
| 8 | - interrupts: The interrupt for the pwm controller | ||
| 9 | |||
| 10 | Example: | ||
| 11 | |||
| 12 | pwm1: pwm@53fb4000 { | ||
| 13 | #pwm-cells = <2>; | ||
| 14 | compatible = "fsl,imx53-pwm", "fsl,imx27-pwm"; | ||
| 15 | reg = <0x53fb4000 0x4000>; | ||
| 16 | interrupts = <61>; | ||
| 17 | }; | ||
| @@ -4,14 +4,14 @@ Required properties: · 3 unmodified lines | |||
| 4 | - compatible: should be "fsl,imx23-pwm" | 4 | - compatible: should be "fsl,imx23-pwm" |
| 5 | - reg: physical base address and length of the controller's registers | 5 | - reg: physical base address and length of the controller's registers |
| 6 | - #pwm-cells: should be 2. The first cell specifies the per-chip index | 6 | - #pwm-cells: should be 2. The first cell specifies the per-chip index |
| 7 | of the PWM to use and the second cell is the duty cycle in nanoseconds. | 7 | of the PWM to use and the second cell is the period in nanoseconds. |
| 8 | - fsl,pwm-number: the number of PWM devices | 8 | - fsl,pwm-number: the number of PWM devices |
| 9 | 9 | ||
| 10 | Example: | 10 | Example: |
| 11 | 11 | ||
| 12 | pwm: pwm@80064000 { | 12 | pwm: pwm@80064000 { |
| 13 | compatible = "fsl,imx28-pwm", "fsl,imx23-pwm"; | 13 | compatible = "fsl,imx28-pwm", "fsl,imx23-pwm"; |
| 14 | reg = <0x80064000 2000>; | 14 | reg = <0x80064000 0x2000>; |
| 15 | #pwm-cells = <2>; | 15 | #pwm-cells = <2>; |
| 16 | fsl,pwm-number = <8>; | 16 | fsl,pwm-number = <8>; |
| 17 | }; | 17 | }; |
| @@ -7,7 +7,7 @@ Required properties: · 6 unmodified lines | |||
| 7 | - reg: physical base address and length of the controller's registers | 7 | - reg: physical base address and length of the controller's registers |
| 8 | - #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The | 8 | - #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The |
| 9 | first cell specifies the per-chip index of the PWM to use and the second | 9 | first cell specifies the per-chip index of the PWM to use and the second |
| 10 | cell is the duty cycle in nanoseconds. | 10 | cell is the period in nanoseconds. |
| 11 | 11 | ||
| 12 | Example: | 12 | Example: |
| 13 | 13 | ||
| @@ -0,0 +1,30 @@ | |||
| 1 | Marvell 88PM860x regulator | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "marvell,88pm860x" | ||
| 5 | - reg: I2C slave address | ||
| 6 | - regulators: A node that houses a sub-node for each regulator within the | ||
| 7 | device. Each sub-node is identified using the regulator-compatible | ||
| 8 | property, with valid values listed below. | ||
| 9 | |||
| 10 | Example: | ||
| 11 | |||
| 12 | pmic: 88pm860x@34 { | ||
| 13 | compatible = "marvell,88pm860x"; | ||
| 14 | reg = <0x34>; | ||
| 15 | |||
| 16 | regulators { | ||
| 17 | BUCK1 { | ||
| 18 | regulator-min-microvolt = <1000000>; | ||
| 19 | regulator-max-microvolt = <1500000>; | ||
| 20 | regulator-boot-on; | ||
| 21 | regulator-always-on; | ||
| 22 | }; | ||
| 23 | BUCK3 { | ||
| 24 | regulator-min-microvolt = <1000000>; | ||
| 25 | regulator-max-microvolt = <3000000>; | ||
| 26 | regulator-boot-on; | ||
| 27 | regulator-always-on; | ||
| 28 | }; | ||
| 29 | }; | ||
| 30 | }; | ||
| @@ -0,0 +1,69 @@ | |||
| 1 | MAX8907 regulator | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "maxim,max8907" | ||
| 5 | - reg: I2C slave address | ||
| 6 | - interrupts: The interrupt output of the controller | ||
| 7 | - mbatt-supply: The input supply for MBATT, BBAT, SDBY, VRTC. | ||
| 8 | - in-v1-supply: The input supply for SD1. | ||
| 9 | - in-v2-supply: The input supply for SD2. | ||
| 10 | - in-v3-supply: The input supply for SD3. | ||
| 11 | - in1-supply: The input supply for LDO1. | ||
| 12 | ... | ||
| 13 | - in20-supply: The input supply for LDO20. | ||
| 14 | - regulators: A node that houses a sub-node for each regulator within the | ||
| 15 | device. Each sub-node is identified using the node's name (or the deprecated | ||
| 16 | regulator-compatible property if present), with valid values listed below. | ||
| 17 | The content of each sub-node is defined by the standard binding for | ||
| 18 | regulators; see regulator.txt. | ||
| 19 | |||
| 20 | Optional properties: | ||
| 21 | - maxim,system-power-controller: Boolean property indicating that the PMIC | ||
| 22 | controls the overall system power. | ||
| 23 | |||
| 24 | The valid names for regulators are: | ||
| 25 | |||
| 26 | sd1, sd2, sd3, ldo1, ldo2, ldo3, ldo4, ldo5, ldo6, ldo7, ldo8, ldo9, ldo10, | ||
| 27 | ldo11, ldo12, ldo13, ldo14, ldo15, ldo16, ldo17, ldo18, ldo19, ldo20, out5v, | ||
| 28 | out33v, bbat, sdby, vrtc. | ||
| 29 | |||
| 30 | Example: | ||
| 31 | |||
| 32 | max8907@3c { | ||
| 33 | compatible = "maxim,max8907"; | ||
| 34 | reg = <0x3c>; | ||
| 35 | interrupts = <0 86 0x4>; | ||
| 36 | |||
| 37 | maxim,system-power-controller; | ||
| 38 | |||
| 39 | mbatt-supply = <&some_reg>; | ||
| 40 | in-v1-supply = <&mbatt_reg>; | ||
| 41 | ... | ||
| 42 | in1-supply = <&mbatt_reg>; | ||
| 43 | ... | ||
| 44 | |||
| 45 | regulators { | ||
| 46 | mbatt_reg: mbatt { | ||
| 47 | regulator-name = "vbat_pmu"; | ||
| 48 | regulator-min-microvolt = <5000000>; | ||
| 49 | regulator-max-microvolt = <5000000>; | ||
| 50 | regulator-always-on; | ||
| 51 | }; | ||
| 52 | |||
| 53 | sd1 { | ||
| 54 | regulator-name = "nvvdd_sv1,vdd_cpu_pmu"; | ||
| 55 | regulator-min-microvolt = <1000000>; | ||
| 56 | regulator-max-microvolt = <1000000>; | ||
| 57 | regulator-always-on; | ||
| 58 | }; | ||
| 59 | |||
| 60 | sd2 { | ||
| 61 | regulator-name = "nvvdd_sv2,vdd_core"; | ||
| 62 | regulator-min-microvolt = <1200000>; | ||
| 63 | regulator-max-microvolt = <1200000>; | ||
| 64 | regulator-always-on; | ||
| 65 | }; | ||
| 66 | ... | ||
| 67 | }; | ||
| 68 | }; | ||
| 69 | }; | ||
| @@ -22,6 +22,10 @@ Required properties: · 21 unmodified lines | |||
| 22 | - vinldo678-supply: The input supply for the LDO6, LDO7 and LDO8 | 22 | - vinldo678-supply: The input supply for the LDO6, LDO7 and LDO8 |
| 23 | - vinldo9-supply: The input supply for the LDO9 | 23 | - vinldo9-supply: The input supply for the LDO9 |
| 24 | 24 | ||
| 25 | Optional properties: | ||
| 26 | - ti,system-power-controller: Telling whether or not this pmic is controlling | ||
| 27 | the system power. | ||
| 28 | |||
| 25 | Each regulator is defined using the standard binding for regulators. | 29 | Each regulator is defined using the standard binding for regulators. |
| 26 | 30 | ||
| 27 | Note: LDO5 and LDO_RTC is supplied by SYS regulator internally and driver | 31 | Note: LDO5 and LDO_RTC is supplied by SYS regulator internally and driver |
| @@ -37,6 +41,8 @@ Example: · 9 unmodified lines | |||
| 37 | #gpio-cells = <2>; | 41 | #gpio-cells = <2>; |
| 38 | gpio-controller; | 42 | gpio-controller; |
| 39 | 43 | ||
| 44 | ti,system-power-controller; | ||
| 45 | |||
| 40 | sys-supply = <&some_reg>; | 46 | sys-supply = <&some_reg>; |
| 41 | vin-sm0-supply = <&some_reg>; | 47 | vin-sm0-supply = <&some_reg>; |
| 42 | vin-sm1-supply = <&some_reg>; | 48 | vin-sm1-supply = <&some_reg>; |
| @@ -0,0 +1,14 @@ | |||
| 1 | * PXA RTC | ||
| 2 | |||
| 3 | PXA specific RTC driver. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible : Should be "marvell,pxa-rtc" | ||
| 7 | |||
| 8 | Examples: | ||
| 9 | |||
| 10 | rtc@40900000 { | ||
| 11 | compatible = "marvell,pxa-rtc"; | ||
| 12 | reg = <0x40900000 0x3c>; | ||
| 13 | interrupts = <30 31>; | ||
| 14 | }; | ||
| @@ -0,0 +1 @@ | |||
| 1 | See Documentation/devicetree/bindings/crypto/fsl-sec4.txt for details. | ||
| @@ -0,0 +1,15 @@ | |||
| 1 | VIA/Wondermedia VT8500 Realtime Clock Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-rtc" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - interrupts : alarm interrupt | ||
| 8 | |||
| 9 | Example: | ||
| 10 | |||
| 11 | rtc@d8100000 { | ||
| 12 | compatible = "via,vt8500-rtc"; | ||
| 13 | reg = <0xd8100000 0x10000>; | ||
| 14 | interrupts = <48>; | ||
| 15 | }; | ||
| @@ -0,0 +1,35 @@ | |||
| 1 | * Freescale i.MX UART controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : should be "fsl,imx21-uart" | ||
| 5 | - reg : Address and length of the register set for the device | ||
| 6 | - interrupts : Should contain UART interrupt number | ||
| 7 | |||
| 8 | Optional properties: | ||
| 9 | - fsl,uart-has-rtscts: indicate that RTS/CTS signals are used | ||
| 10 | |||
| 11 | Note: Each uart controller should have an alias correctly numbered | ||
| 12 | in "aliases" node. | ||
| 13 | |||
| 14 | Example: | ||
| 15 | |||
| 16 | - From imx51.dtsi: | ||
| 17 | aliases { | ||
| 18 | serial0 = &uart1; | ||
| 19 | serial1 = &uart2; | ||
| 20 | serial2 = &uart3; | ||
| 21 | }; | ||
| 22 | |||
| 23 | uart1: serial@73fbc000 { | ||
| 24 | compatible = "fsl,imx51-uart", "fsl,imx21-uart"; | ||
| 25 | reg = <0x73fbc000 0x4000>; | ||
| 26 | interrupts = <31>; | ||
| 27 | status = "disabled"; | ||
| 28 | } | ||
| 29 | |||
| 30 | - From imx51-babbage.dts: | ||
| 31 | uart1: serial@73fbc000 { | ||
| 32 | fsl,uart-has-rtscts; | ||
| 33 | status = "okay"; | ||
| 34 | }; | ||
| 35 | |||
| @@ -0,0 +1,21 @@ | |||
| 1 | CS4270 audio CODEC | ||
| 2 | |||
| 3 | The driver for this device currently only supports I2C. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | |||
| 7 | - compatible : "cirrus,cs4270" | ||
| 8 | |||
| 9 | - reg : the I2C address of the device for I2C | ||
| 10 | |||
| 11 | Optional properties: | ||
| 12 | |||
| 13 | - reset-gpio : a GPIO spec for the reset pin. If specified, it will be | ||
| 14 | deasserted before communication to the codec starts. | ||
| 15 | |||
| 16 | Example: | ||
| 17 | |||
| 18 | codec: cs4270@48 { | ||
| 19 | compatible = "cirrus,cs4270"; | ||
| 20 | reg = <0x48>; | ||
| 21 | }; | ||
| @@ -0,0 +1,36 @@ | |||
| 1 | Cirrus Logic CS4271 DT bindings | ||
| 2 | |||
| 3 | This driver supports both the I2C and the SPI bus. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | |||
| 7 | - compatible: "cirrus,cs4271" | ||
| 8 | |||
| 9 | For required properties on SPI, please consult | ||
| 10 | Documentation/devicetree/bindings/spi/spi-bus.txt | ||
| 11 | |||
| 12 | Required properties on I2C: | ||
| 13 | |||
| 14 | - reg: the i2c address | ||
| 15 | |||
| 16 | |||
| 17 | Optional properties: | ||
| 18 | |||
| 19 | - reset-gpio: a GPIO spec to define which pin is connected to the chip's | ||
| 20 | !RESET pin | ||
| 21 | |||
| 22 | Examples: | ||
| 23 | |||
| 24 | codec_i2c: cs4271@10 { | ||
| 25 | compatible = "cirrus,cs4271"; | ||
| 26 | reg = <0x10>; | ||
| 27 | reset-gpio = <&gpio 23 0>; | ||
| 28 | }; | ||
| 29 | |||
| 30 | codec_spi: cs4271@0 { | ||
| 31 | compatible = "cirrus,cs4271"; | ||
| 32 | reg = <0x0>; | ||
| 33 | reset-gpio = <&gpio 23 0>; | ||
| 34 | spi-max-frequency = <6000000>; | ||
| 35 | }; | ||
| 36 | |||
| @@ -0,0 +1,45 @@ | |||
| 1 | Texas Instruments McASP controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : | ||
| 5 | "ti,dm646x-mcasp-audio" : for DM646x platforms | ||
| 6 | "ti,da830-mcasp-audio" : for both DA830 & DA850 platforms | ||
| 7 | "ti,omap2-mcasp-audio" : for OMAP2 platforms (TI81xx, AM33xx) | ||
| 8 | |||
| 9 | - reg : Should contain McASP registers offset and length | ||
| 10 | - interrupts : Interrupt number for McASP | ||
| 11 | - op-mode : I2S/DIT ops mode. | ||
| 12 | - tdm-slots : Slots for TDM operation. | ||
| 13 | - num-serializer : Serializers used by McASP. | ||
| 14 | - serial-dir : A list of serializer pin mode. The list number should be equal | ||
| 15 | to "num-serializer" parameter. Each entry is a number indication | ||
| 16 | serializer pin direction. (0 - INACTIVE, 1 - TX, 2 - RX) | ||
| 17 | |||
| 18 | |||
| 19 | Optional properties: | ||
| 20 | |||
| 21 | - ti,hwmods : Must be "mcasp<n>", n is controller instance starting 0 | ||
| 22 | - tx-num-evt : FIFO levels. | ||
| 23 | - rx-num-evt : FIFO levels. | ||
| 24 | - sram-size-playback : size of sram to be allocated during playback | ||
| 25 | - sram-size-capture : size of sram to be allocated during capture | ||
| 26 | |||
| 27 | Example: | ||
| 28 | |||
| 29 | mcasp0: mcasp0@1d00000 { | ||
| 30 | compatible = "ti,da830-mcasp-audio"; | ||
| 31 | #address-cells = <1>; | ||
| 32 | #size-cells = <0>; | ||
| 33 | reg = <0x100000 0x3000>; | ||
| 34 | interrupts = <82 83>; | ||
| 35 | op-mode = <0>; /* MCASP_IIS_MODE */ | ||
| 36 | tdm-slots = <2>; | ||
| 37 | num-serializer = <16>; | ||
| 38 | serial-dir = < | ||
| 39 | 0 0 0 0 /* 0: INACTIVE, 1: TX, 2: RX */ | ||
| 40 | 0 0 0 0 | ||
| 41 | 0 0 0 1 | ||
| 42 | 2 0 0 0 >; | ||
| 43 | tx-num-evt = <1>; | ||
| 44 | rx-num-evt = <1>; | ||
| 45 | }; | ||
| @@ -0,0 +1,91 @@ | |||
| 1 | * Texas Instruments OMAP4+ and twl6040 based audio setups | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "ti,abe-twl6040" | ||
| 5 | - ti,model: Name of the sound card ( for example "SDP4430") | ||
| 6 | - ti,mclk-freq: MCLK frequency for HPPLL operation | ||
| 7 | - ti,mcpdm: phandle for the McPDM node | ||
| 8 | - ti,twl6040: phandle for the twl6040 core node | ||
| 9 | - ti,audio-routing: List of connections between audio components. | ||
| 10 | Each entry is a pair of strings, the first being the connection's sink, | ||
| 11 | the second being the connection's source. | ||
| 12 | |||
| 13 | Optional properties: | ||
| 14 | - ti,dmic: phandle for the OMAP dmic node if the machine have it connected | ||
| 15 | - ti,jack_detection: Need to be set to <1> if the board capable to detect jack | ||
| 16 | insertion, removal. | ||
| 17 | |||
| 18 | Available audio endpoints for the audio-routing table: | ||
| 19 | |||
| 20 | Board connectors: | ||
| 21 | * Headset Stereophone | ||
| 22 | * Earphone Spk | ||
| 23 | * Ext Spk | ||
| 24 | * Line Out | ||
| 25 | * Vibrator | ||
| 26 | * Headset Mic | ||
| 27 | * Main Handset Mic | ||
| 28 | * Sub Handset Mic | ||
| 29 | * Line In | ||
| 30 | * Digital Mic | ||
| 31 | |||
| 32 | twl6040 pins: | ||
| 33 | * HSOL | ||
| 34 | * HSOR | ||
| 35 | * EP | ||
| 36 | * HFL | ||
| 37 | * HFR | ||
| 38 | * AUXL | ||
| 39 | * AUXR | ||
| 40 | * VIBRAL | ||
| 41 | * VIBRAR | ||
| 42 | * HSMIC | ||
| 43 | * MAINMIC | ||
| 44 | * SUBMIC | ||
| 45 | * AFML | ||
| 46 | * AFMR | ||
| 47 | |||
| 48 | * Headset Mic Bias | ||
| 49 | * Main Mic Bias | ||
| 50 | * Digital Mic1 Bias | ||
| 51 | * Digital Mic2 Bias | ||
| 52 | |||
| 53 | Digital mic pins: | ||
| 54 | * DMic | ||
| 55 | |||
| 56 | Example: | ||
| 57 | |||
| 58 | sound { | ||
| 59 | compatible = "ti,abe-twl6040"; | ||
| 60 | ti,model = "SDP4430"; | ||
| 61 | |||
| 62 | ti,jack-detection = <1>; | ||
| 63 | ti,mclk-freq = <38400000>; | ||
| 64 | |||
| 65 | ti,mcpdm = <&mcpdm>; | ||
| 66 | ti,dmic = <&dmic>; | ||
| 67 | |||
| 68 | ti,twl6040 = <&twl6040>; | ||
| 69 | |||
| 70 | /* Audio routing */ | ||
| 71 | ti,audio-routing = | ||
| 72 | "Headset Stereophone", "HSOL", | ||
| 73 | "Headset Stereophone", "HSOR", | ||
| 74 | "Earphone Spk", "EP", | ||
| 75 | "Ext Spk", "HFL", | ||
| 76 | "Ext Spk", "HFR", | ||
| 77 | "Line Out", "AUXL", | ||
| 78 | "Line Out", "AUXR", | ||
| 79 | "Vibrator", "VIBRAL", | ||
| 80 | "Vibrator", "VIBRAR", | ||
| 81 | "HSMIC", "Headset Mic", | ||
| 82 | "Headset Mic", "Headset Mic Bias", | ||
| 83 | "MAINMIC", "Main Handset Mic", | ||
| 84 | "Main Handset Mic", "Main Mic Bias", | ||
| 85 | "SUBMIC", "Sub Handset Mic", | ||
| 86 | "Sub Handset Mic", "Main Mic Bias", | ||
| 87 | "AFML", "Line In", | ||
| 88 | "AFMR", "Line In", | ||
| 89 | "DMic", "Digital Mic", | ||
| 90 | "Digital Mic", "Digital Mic1 Bias"; | ||
| 91 | }; | ||
| @@ -0,0 +1,37 @@ | |||
| 1 | * Texas Instruments OMAP2+ McBSP module | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "ti,omap2420-mcbsp" for McBSP on OMAP2420 | ||
| 5 | "ti,omap2430-mcbsp" for McBSP on OMAP2430 | ||
| 6 | "ti,omap3-mcbsp" for McBSP on OMAP3 | ||
| 7 | "ti,omap4-mcbsp" for McBSP on OMAP4 and newer SoC | ||
| 8 | - reg: Register location and size, for OMAP4+ as an array: | ||
| 9 | <MPU access base address, size>, | ||
| 10 | <L3 interconnect address, size>; | ||
| 11 | - reg-names: Array of strings associated with the address space | ||
| 12 | - interrupts: Interrupt numbers for the McBSP port, as an array in case the | ||
| 13 | McBSP IP have more interrupt lines: | ||
| 14 | <OCP compliant irq>, | ||
| 15 | <TX irq>, | ||
| 16 | <RX irq>; | ||
| 17 | - interrupt-names: Array of strings associated with the interrupt numbers | ||
| 18 | - interrupt-parent: The parent interrupt controller | ||
| 19 | - ti,buffer-size: Size of the FIFO on the port (OMAP2430 and newer SoC) | ||
| 20 | - ti,hwmods: Name of the hwmod associated to the McBSP port | ||
| 21 | |||
| 22 | Example: | ||
| 23 | |||
| 24 | mcbsp2: mcbsp@49022000 { | ||
| 25 | compatible = "ti,omap3-mcbsp"; | ||
| 26 | reg = <0x49022000 0xff>, | ||
| 27 | <0x49028000 0xff>; | ||
| 28 | reg-names = "mpu", "sidetone"; | ||
| 29 | interrupts = <0 17 0x4>, /* OCP compliant interrupt */ | ||
| 30 | <0 62 0x4>, /* TX interrupt */ | ||
| 31 | <0 63 0x4>, /* RX interrupt */ | ||
| 32 | <0 4 0x4>; /* Sidetone */ | ||
| 33 | interrupt-names = "common", "tx", "rx", "sidetone"; | ||
| 34 | interrupt-parent = <&intc>; | ||
| 35 | ti,buffer-size = <1280>; | ||
| 36 | ti,hwmods = "mcbsp2"; | ||
| 37 | }; | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | * Texas Instruments SoC with twl4030 based audio setups | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: "ti,omap-twl4030" | ||
| 5 | - ti,model: Name of the sound card (for example "omap3beagle") | ||
| 6 | - ti,mcbsp: phandle for the McBSP node | ||
| 7 | - ti,codec: phandle for the twl4030 audio node | ||
| 8 | |||
| 9 | Example: | ||
| 10 | |||
| 11 | sound { | ||
| 12 | compatible = "ti,omap-twl4030"; | ||
| 13 | ti,model = "omap3beagle"; | ||
| 14 | |||
| 15 | ti,mcbsp = <&mcbsp2>; | ||
| 16 | ti,codec = <&twl_audio>; | ||
| 17 | }; | ||
| @@ -0,0 +1,20 @@ | |||
| 1 | Texas Instruments - tlv320aic3x Codec module | ||
| 2 | |||
| 3 | The tlv320aic3x serial control bus communicates through I2C protocols | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible - "string" - "ti,tlv320aic3x" | ||
| 7 | - reg - <int> - I2C slave address | ||
| 8 | |||
| 9 | |||
| 10 | Optional properties: | ||
| 11 | |||
| 12 | - gpio-reset - gpio pin number used for codec reset | ||
| 13 | - ai3x-gpio-func - <array of 2 int> - AIC3X_GPIO1 & AIC3X_GPIO2 Functionality | ||
| 14 | |||
| 15 | Example: | ||
| 16 | |||
| 17 | tlv320aic3x: tlv320aic3x@1b { | ||
| 18 | compatible = "ti,tlv320aic3x"; | ||
| 19 | reg = <0x1b>; | ||
| 20 | }; | ||
| @@ -0,0 +1,39 @@ | |||
| 1 | * MOP500 Audio Machine Driver | ||
| 2 | |||
| 3 | This node is responsible for linking together all ux500 Audio Driver components. | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible : "stericsson,snd-soc-mop500" | ||
| 7 | |||
| 8 | Non-standard properties: | ||
| 9 | - stericsson,cpu-dai : Phandle to the CPU-side DAI | ||
| 10 | - stericsson,audio-codec : Phandle to the Audio CODEC | ||
| 11 | - stericsson,card-name : Over-ride default card name | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | sound { | ||
| 16 | compatible = "stericsson,snd-soc-mop500"; | ||
| 17 | |||
| 18 | stericsson,cpu-dai = <&msp1 &msp3>; | ||
| 19 | stericsson,audio-codec = <&codec>; | ||
| 20 | }; | ||
| 21 | |||
| 22 | msp1: msp@80124000 { | ||
| 23 | compatible = "stericsson,ux500-msp-i2s"; | ||
| 24 | reg = <0x80124000 0x1000>; | ||
| 25 | interrupts = <0 62 0x4>; | ||
| 26 | v-ape-supply = <&db8500_vape_reg>; | ||
| 27 | }; | ||
| 28 | |||
| 29 | msp3: msp@80125000 { | ||
| 30 | compatible = "stericsson,ux500-msp-i2s"; | ||
| 31 | reg = <0x80125000 0x1000>; | ||
| 32 | interrupts = <0 62 0x4>; | ||
| 33 | v-ape-supply = <&db8500_vape_reg>; | ||
| 34 | }; | ||
| 35 | |||
| 36 | codec: ab8500-codec { | ||
| 37 | compatible = "stericsson,ab8500-codec"; | ||
| 38 | stericsson,earpeice-cmv = <950>; /* Units in mV. */ | ||
| 39 | }; | ||
| @@ -0,0 +1,43 @@ | |||
| 1 | * ux500 MSP (CPU-side Digital Audio Interface) | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible :"stericsson,ux500-msp-i2s" | ||
| 5 | - reg : Physical base address and length of the device's registers. | ||
| 6 | |||
| 7 | Optional properties: | ||
| 8 | - interrupts : The interrupt output from the device. | ||
| 9 | - interrupt-parent : The parent interrupt controller. | ||
| 10 | - <name>-supply : Phandle to the regulator <name> supply | ||
| 11 | |||
| 12 | Example: | ||
| 13 | |||
| 14 | sound { | ||
| 15 | compatible = "stericsson,snd-soc-mop500"; | ||
| 16 | |||
| 17 | stericsson,platform-pcm-dma = <&pcm>; | ||
| 18 | stericsson,cpu-dai = <&msp1 &msp3>; | ||
| 19 | stericsson,audio-codec = <&codec>; | ||
| 20 | }; | ||
| 21 | |||
| 22 | pcm: ux500-pcm { | ||
| 23 | compatible = "stericsson,ux500-pcm"; | ||
| 24 | }; | ||
| 25 | |||
| 26 | msp1: msp@80124000 { | ||
| 27 | compatible = "stericsson,ux500-msp-i2s"; | ||
| 28 | reg = <0x80124000 0x1000>; | ||
| 29 | interrupts = <0 62 0x4>; | ||
| 30 | v-ape-supply = <&db8500_vape_reg>; | ||
| 31 | }; | ||
| 32 | |||
| 33 | msp3: msp@80125000 { | ||
| 34 | compatible = "stericsson,ux500-msp-i2s"; | ||
| 35 | reg = <0x80125000 0x1000>; | ||
| 36 | interrupts = <0 62 0x4>; | ||
| 37 | v-ape-supply = <&db8500_vape_reg>; | ||
| 38 | }; | ||
| 39 | |||
| 40 | codec: ab8500-codec { | ||
| 41 | compatible = "stericsson,ab8500-codec"; | ||
| 42 | stericsson,earpeice-cmv = <950>; /* Units in mV. */ | ||
| 43 | }; | ||
| @@ -0,0 +1,22 @@ | |||
| 1 | * Freescale MX233/MX28 SSP/SPI | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: Should be "fsl,<soc>-spi", where soc is "imx23" or "imx28" | ||
| 5 | - reg: Offset and length of the register set for the device | ||
| 6 | - interrupts: Should contain SSP interrupts (error irq first, dma irq second) | ||
| 7 | - fsl,ssp-dma-channel: APBX DMA channel for the SSP | ||
| 8 | |||
| 9 | Optional properties: | ||
| 10 | - clock-frequency : Input clock frequency to the SPI block in Hz. | ||
| 11 | Default is 160000000 Hz. | ||
| 12 | |||
| 13 | Example: | ||
| 14 | |||
| 15 | ssp0: ssp@80010000 { | ||
| 16 | #address-cells = <1>; | ||
| 17 | #size-cells = <0>; | ||
| 18 | compatible = "fsl,imx28-spi"; | ||
| 19 | reg = <0x80010000 0x2000>; | ||
| 20 | interrupts = <96 82>; | ||
| 21 | fsl,ssp-dma-channel = <0>; | ||
| 22 | }; | ||
| @@ -21,6 +21,9 @@ assumption that board specific platform code will be used to manage · 20 unmodified lines | |||
| 21 | chip selects. Individual drivers can define additional properties to | 21 | chip selects. Individual drivers can define additional properties to |
| 22 | support describing the chip select layout. | 22 | support describing the chip select layout. |
| 23 | 23 | ||
| 24 | Optional property: | ||
| 25 | - num-cs : total number of chipselects | ||
| 26 | |||
| 24 | SPI slave nodes must be children of the SPI master node and can | 27 | SPI slave nodes must be children of the SPI master node and can |
| 25 | contain the following properties. | 28 | contain the following properties. |
| 26 | - reg - (required) chip select address of device. | 29 | - reg - (required) chip select address of device. |
| @@ -0,0 +1,29 @@ | |||
| 1 | SPI-GPIO devicetree bindings | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | |||
| 5 | - compatible: should be set to "spi-gpio" | ||
| 6 | - #address-cells: should be set to <0x1> | ||
| 7 | - ranges | ||
| 8 | - gpio-sck: GPIO spec for the SCK line to use | ||
| 9 | - gpio-miso: GPIO spec for the MISO line to use | ||
| 10 | - gpio-mosi: GPIO spec for the MOSI line to use | ||
| 11 | - cs-gpios: GPIOs to use for chipselect lines | ||
| 12 | - num-chipselects: number of chipselect lines | ||
| 13 | |||
| 14 | Example: | ||
| 15 | |||
| 16 | spi { | ||
| 17 | compatible = "spi-gpio"; | ||
| 18 | #address-cells = <0x1>; | ||
| 19 | ranges; | ||
| 20 | |||
| 21 | gpio-sck = <&gpio 95 0>; | ||
| 22 | gpio-miso = <&gpio 98 0>; | ||
| 23 | gpio-mosi = <&gpio 97 0>; | ||
| 24 | cs-gpios = <&gpio 125 0>; | ||
| 25 | num-chipselects = <1>; | ||
| 26 | |||
| 27 | /* clients */ | ||
| 28 | }; | ||
| 29 | |||
| @@ -0,0 +1,33 @@ | |||
| 1 | Cavium, Inc. OCTEON SOC SPI master controller. | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "cavium,octeon-3010-spi" | ||
| 5 | - reg : The register base for the controller. | ||
| 6 | - interrupts : One interrupt, used by the controller. | ||
| 7 | - #address-cells : <1>, as required by generic SPI binding. | ||
| 8 | - #size-cells : <0>, also as required by generic SPI binding. | ||
| 9 | |||
| 10 | Child nodes as per the generic SPI binding. | ||
| 11 | |||
| 12 | Example: | ||
| 13 | |||
| 14 | spi@1070000001000 { | ||
| 15 | compatible = "cavium,octeon-3010-spi"; | ||
| 16 | reg = <0x10700 0x00001000 0x0 0x100>; | ||
| 17 | interrupts = <0 58>; | ||
| 18 | #address-cells = <1>; | ||
| 19 | #size-cells = <0>; | ||
| 20 | |||
| 21 | eeprom@0 { | ||
| 22 | compatible = "st,m95256", "atmel,at25"; | ||
| 23 | reg = <0>; | ||
| 24 | spi-max-frequency = <5000000>; | ||
| 25 | spi-cpha; | ||
| 26 | spi-cpol; | ||
| 27 | |||
| 28 | pagesize = <64>; | ||
| 29 | size = <32768>; | ||
| 30 | address-width = <16>; | ||
| 31 | }; | ||
| 32 | }; | ||
| 33 | |||
| @@ -0,0 +1,23 @@ | |||
| 1 | NXP SC18IS602/SCIS603 | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : Should be one of | ||
| 5 | "nxp,sc18is602" | ||
| 6 | "nxp,sc18is602b" | ||
| 7 | "nxp,sc18is603" | ||
| 8 | - reg: I2C bus address | ||
| 9 | |||
| 10 | Optional properties: | ||
| 11 | - clock-frequency : external oscillator clock frequency. If not | ||
| 12 | specified, the SC18IS602 default frequency (7372000) will be used. | ||
| 13 | |||
| 14 | The clock-frequency property is relevant and needed only if the chip has an | ||
| 15 | external oscillator (SC18IS603). | ||
| 16 | |||
| 17 | Example: | ||
| 18 | |||
| 19 | sc18is603@28 { | ||
| 20 | compatible = "nxp,sc18is603"; | ||
| 21 | reg = <0x28>; | ||
| 22 | clock-frequency = <14744000>; | ||
| 23 | } | ||
| @@ -6,7 +6,29 @@ Required properties: · 5 unmodified lines | |||
| 6 | - interrupts : Should contain SPI controller interrupt | 6 | - interrupts : Should contain SPI controller interrupt |
| 7 | 7 | ||
| 8 | Optional properties: | 8 | Optional properties: |
| 9 | - num-cs : total number of chipselects | ||
| 9 | - cs-gpios : should specify GPIOs used for chipselects. | 10 | - cs-gpios : should specify GPIOs used for chipselects. |
| 10 | The gpios will be referred to as reg = <index> in the SPI child nodes. | 11 | The gpios will be referred to as reg = <index> in the SPI child nodes. |
| 11 | If unspecified, a single SPI device without a chip select can be used. | 12 | If unspecified, a single SPI device without a chip select can be used. |
| 13 | - pl022,autosuspend-delay : delay in ms following transfer completion before | ||
| 14 | the runtime power management system suspends the | ||
| 15 | device. A setting of 0 indicates no delay and the | ||
| 16 | device will be suspended immediately | ||
| 17 | - pl022,rt : indicates the controller should run the message pump with realtime | ||
| 18 | priority to minimise the transfer latency on the bus (boolean) | ||
| 19 | |||
| 20 | |||
| 21 | SPI slave nodes must be children of the SPI master node and can | ||
| 22 | contain the following properties. | ||
| 23 | |||
| 24 | - pl022,interface : interface type: | ||
| 25 | 0: SPI | ||
| 26 | 1: Texas Instruments Synchronous Serial Frame Format | ||
| 27 | 2: Microwire (Half Duplex) | ||
| 28 | - pl022,com-mode : polling, interrupt or dma | ||
| 29 | - pl022,rx-level-trig : Rx FIFO watermark level | ||
| 30 | - pl022,tx-level-trig : Tx FIFO watermark level | ||
| 31 | - pl022,ctrl-len : Microwire interface: Control length | ||
| 32 | - pl022,wait-state : Microwire interface: Wait state | ||
| 33 | - pl022,duplex : Microwire interface: Full/Half duplex | ||
| 12 | 34 | ||
| @@ -0,0 +1,22 @@ | |||
| 1 | BCM2835 System Timer | ||
| 2 | |||
| 3 | The System Timer peripheral provides four 32-bit timer channels and a | ||
| 4 | single 64-bit free running counter. Each channel has an output compare | ||
| 5 | register, which is compared against the 32 least significant bits of the | ||
| 6 | free running counter values, and generates an interrupt. | ||
| 7 | |||
| 8 | Required properties: | ||
| 9 | |||
| 10 | - compatible : should be "brcm,bcm2835-system-timer" | ||
| 11 | - reg : Specifies base physical address and size of the registers. | ||
| 12 | - interrupts : A list of 4 interrupt sinks; one per timer channel. | ||
| 13 | - clock-frequency : The frequency of the clock that drives the counter, in Hz. | ||
| 14 | |||
| 15 | Example: | ||
| 16 | |||
| 17 | timer { | ||
| 18 | compatible = "brcm,bcm2835-system-timer"; | ||
| 19 | reg = <0x7e003000 0x1000>; | ||
| 20 | interrupts = <1 0>, <1 1>, <1 2>, <1 3>; | ||
| 21 | clock-frequency = <1000000>; | ||
| 22 | }; | ||
| @@ -0,0 +1,14 @@ | |||
| 1 | * NXP LPC32xx SoC High Speed UART | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: Should be "nxp,lpc3220-hsuart" | ||
| 5 | - reg: Should contain registers location and length | ||
| 6 | - interrupts: Should contain interrupt | ||
| 7 | |||
| 8 | Example: | ||
| 9 | |||
| 10 | uart1: serial@40014000 { | ||
| 11 | compatible = "nxp,lpc3220-hsuart"; | ||
| 12 | reg = <0x40014000 0x1000>; | ||
| 13 | interrupts = <26 0>; | ||
| 14 | }; | ||
| @@ -25,6 +25,8 @@ Optional properties: · 24 unmodified lines | |||
| 25 | accesses to the UART (e.g. TI davinci). | 25 | accesses to the UART (e.g. TI davinci). |
| 26 | - used-by-rtas : set to indicate that the port is in use by the OpenFirmware | 26 | - used-by-rtas : set to indicate that the port is in use by the OpenFirmware |
| 27 | RTAS and should not be registered. | 27 | RTAS and should not be registered. |
| 28 | - no-loopback-test: set to indicate that the port does not implements loopback | ||
| 29 | test mode | ||
| 28 | 30 | ||
| 29 | Example: | 31 | Example: |
| 30 | 32 | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | VIA/Wondermedia VT8500 UART Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-uart" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - interrupts : UART interrupt | ||
| 8 | - clocks : phandle to the uart source clock (usually a 24Mhz fixed clock) | ||
| 9 | |||
| 10 | Example: | ||
| 11 | |||
| 12 | uart@d8210000 { | ||
| 13 | compatible = "via,vt8500-uart"; | ||
| 14 | reg = <0xd8210000 0x1040>; | ||
| 15 | interrupts = <47>; | ||
| 16 | clocks = <&ref24>; | ||
| 17 | }; | ||
| @@ -0,0 +1,14 @@ | |||
| 1 | AM33XX MUSB GLUE | ||
| 2 | - compatible : Should be "ti,musb-am33xx" | ||
| 3 | - ti,hwmods : must be "usb_otg_hs" | ||
| 4 | - multipoint : Should be "1" indicating the musb controller supports | ||
| 5 | multipoint. This is a MUSB configuration-specific setting. | ||
| 6 | - num_eps : Specifies the number of endpoints. This is also a | ||
| 7 | MUSB configuration-specific setting. Should be set to "16" | ||
| 8 | - ram_bits : Specifies the ram address size. Should be set to "12" | ||
| 9 | - port0_mode : Should be "3" to represent OTG. "1" signifies HOST and "2" | ||
| 10 | represents PERIPHERAL. | ||
| 11 | - port1_mode : Should be "1" to represent HOST. "3" signifies OTG and "2" | ||
| 12 | represents PERIPHERAL. | ||
| 13 | - power : Should be "250". This signifies the controller can supply upto | ||
| 14 | 500mA when operating in host mode. | ||
| @@ -7,7 +7,10 @@ Required properties: · 6 unmodified lines | |||
| 7 | 7 | ||
| 8 | Optional properties: | 8 | Optional properties: |
| 9 | - fsl,usbphy: phandler of usb phy that connects to the only one port | 9 | - fsl,usbphy: phandler of usb phy that connects to the only one port |
| 10 | - fsl,usbmisc: phandler of non-core register device, with one argument | ||
| 11 | that indicate usb controller index | ||
| 10 | - vbus-supply: regulator for vbus | 12 | - vbus-supply: regulator for vbus |
| 13 | - disable-over-current: disable over current detect | ||
| 11 | 14 | ||
| 12 | Examples: | 15 | Examples: |
| 13 | usb@02184000 { /* USB OTG */ | 16 | usb@02184000 { /* USB OTG */ |
| @@ -15,4 +18,6 @@ usb@02184000 { /* USB OTG */ · 1 unmodified line | |||
| 15 | reg = <0x02184000 0x200>; | 18 | reg = <0x02184000 0x200>; |
| 16 | interrupts = <0 43 0x04>; | 19 | interrupts = <0 43 0x04>; |
| 17 | fsl,usbphy = <&usbphy1>; | 20 | fsl,usbphy = <&usbphy1>; |
| 21 | fsl,usbmisc = <&usbmisc 0>; | ||
| 22 | disable-over-current; | ||
| 18 | }; | 23 | }; |
| @@ -0,0 +1,33 @@ | |||
| 1 | OMAP GLUE | ||
| 2 | |||
| 3 | OMAP MUSB GLUE | ||
| 4 | - compatible : Should be "ti,omap4-musb" or "ti,omap3-musb" | ||
| 5 | - ti,hwmods : must be "usb_otg_hs" | ||
| 6 | - multipoint : Should be "1" indicating the musb controller supports | ||
| 7 | multipoint. This is a MUSB configuration-specific setting. | ||
| 8 | - num_eps : Specifies the number of endpoints. This is also a | ||
| 9 | MUSB configuration-specific setting. Should be set to "16" | ||
| 10 | - ram_bits : Specifies the ram address size. Should be set to "12" | ||
| 11 | - interface_type : This is a board specific setting to describe the type of | ||
| 12 | interface between the controller and the phy. It should be "0" or "1" | ||
| 13 | specifying ULPI and UTMI respectively. | ||
| 14 | - mode : Should be "3" to represent OTG. "1" signifies HOST and "2" | ||
| 15 | represents PERIPHERAL. | ||
| 16 | - power : Should be "50". This signifies the controller can supply upto | ||
| 17 | 100mA when operating in host mode. | ||
| 18 | |||
| 19 | SOC specific device node entry | ||
| 20 | usb_otg_hs: usb_otg_hs@4a0ab000 { | ||
| 21 | compatible = "ti,omap4-musb"; | ||
| 22 | ti,hwmods = "usb_otg_hs"; | ||
| 23 | multipoint = <1>; | ||
| 24 | num_eps = <16>; | ||
| 25 | ram_bits = <12>; | ||
| 26 | }; | ||
| 27 | |||
| 28 | Board specific device node entry | ||
| 29 | &usb_otg_hs { | ||
| 30 | interface_type = <1>; | ||
| 31 | mode = <3>; | ||
| 32 | power = <50>; | ||
| 33 | }; | ||
| @@ -0,0 +1,15 @@ | |||
| 1 | Generic Platform UHCI Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "platform-uhci" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - interrupts : UHCI controller interrupt | ||
| 8 | |||
| 9 | Example: | ||
| 10 | |||
| 11 | uhci@d8007b00 { | ||
| 12 | compatible = "platform-uhci"; | ||
| 13 | reg = <0xd8007b00 0x200>; | ||
| 14 | interrupts = <43>; | ||
| 15 | }; | ||
| @@ -0,0 +1,31 @@ | |||
| 1 | PXA USB controllers | ||
| 2 | |||
| 3 | OHCI | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible: Should be "marvell,pxa-ohci" for USB controllers | ||
| 7 | used in host mode. | ||
| 8 | |||
| 9 | Optional properties: | ||
| 10 | - "marvell,enable-port1", "marvell,enable-port2", "marvell,enable-port3" | ||
| 11 | If present, enables the appropriate USB port of the controller. | ||
| 12 | - "marvell,port-mode" selects the mode of the ports: | ||
| 13 | 1 = PMM_NPS_MODE | ||
| 14 | 2 = PMM_GLOBAL_MODE | ||
| 15 | 3 = PMM_PERPORT_MODE | ||
| 16 | - "marvell,power-sense-low" - power sense pin is low-active. | ||
| 17 | - "marvell,power-control-low" - power control pin is low-active. | ||
| 18 | - "marvell,no-oc-protection" - disable over-current protection. | ||
| 19 | - "marvell,oc-mode-perport" - enable per-port over-current protection. | ||
| 20 | - "marvell,power_on_delay" Power On to Power Good time - in ms. | ||
| 21 | |||
| 22 | Example: | ||
| 23 | |||
| 24 | usb0: ohci@4c000000 { | ||
| 25 | compatible = "marvell,pxa-ohci", "usb-ohci"; | ||
| 26 | reg = <0x4c000000 0x100000>; | ||
| 27 | interrupts = <18>; | ||
| 28 | marvell,enable-port1; | ||
| 29 | marvell,port-mode = <2>; /* PMM_GLOBAL_MODE */ | ||
| 30 | }; | ||
| 31 | |||
| @@ -0,0 +1,40 @@ | |||
| 1 | USB COMPARATOR OF TWL CHIPS | ||
| 2 | |||
| 3 | TWL6030 USB COMPARATOR | ||
| 4 | - compatible : Should be "ti,twl6030-usb" | ||
| 5 | - interrupts : Two interrupt numbers to the cpu should be specified. First | ||
| 6 | interrupt number is the otg interrupt number that raises ID interrupts when | ||
| 7 | the controller has to act as host and the second interrupt number is the | ||
| 8 | usb interrupt number that raises VBUS interrupts when the controller has to | ||
| 9 | act as device | ||
| 10 | - usb-supply : phandle to the regulator device tree node. It should be vusb | ||
| 11 | if it is twl6030 or ldousb if it is twl6025 subclass. | ||
| 12 | |||
| 13 | twl6030-usb { | ||
| 14 | compatible = "ti,twl6030-usb"; | ||
| 15 | interrupts = < 4 10 >; | ||
| 16 | }; | ||
| 17 | |||
| 18 | Board specific device node entry | ||
| 19 | &twl6030-usb { | ||
| 20 | usb-supply = <&vusb>; | ||
| 21 | }; | ||
| 22 | |||
| 23 | TWL4030 USB PHY AND COMPARATOR | ||
| 24 | - compatible : Should be "ti,twl4030-usb" | ||
| 25 | - interrupts : The interrupt numbers to the cpu should be specified. First | ||
| 26 | interrupt number is the otg interrupt number that raises ID interrupts | ||
| 27 | and VBUS interrupts. The second interrupt number is optional. | ||
| 28 | - <supply-name>-supply : phandle to the regulator device tree node. | ||
| 29 | <supply-name> should be vusb1v5, vusb1v8 and vusb3v1 | ||
| 30 | - usb_mode : The mode used by the phy to connect to the controller. "1" | ||
| 31 | specifies "ULPI" mode and "2" specifies "CEA2011_3PIN" mode. | ||
| 32 | |||
| 33 | twl4030-usb { | ||
| 34 | compatible = "ti,twl4030-usb"; | ||
| 35 | interrupts = < 10 4 >; | ||
| 36 | usb1v5-supply = <&vusb1v5>; | ||
| 37 | usb1v8-supply = <&vusb1v8>; | ||
| 38 | usb3v1-supply = <&vusb3v1>; | ||
| 39 | usb_mode = <1>; | ||
| 40 | }; | ||
| @@ -0,0 +1,17 @@ | |||
| 1 | USB PHY | ||
| 2 | |||
| 3 | OMAP USB2 PHY | ||
| 4 | |||
| 5 | Required properties: | ||
| 6 | - compatible: Should be "ti,omap-usb2" | ||
| 7 | - reg : Address and length of the register set for the device. Also | ||
| 8 | add the address of control module dev conf register until a driver for | ||
| 9 | control module is added | ||
| 10 | |||
| 11 | This is usually a subnode of ocp2scp to which it is connected. | ||
| 12 | |||
| 13 | usb2phy@4a0ad080 { | ||
| 14 | compatible = "ti,omap-usb2"; | ||
| 15 | reg = <0x4a0ad080 0x58>, | ||
| 16 | <0x4a002300 0x4>; | ||
| 17 | }; | ||
| @@ -0,0 +1,14 @@ | |||
| 1 | * Freescale i.MX non-core registers | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - #index-cells: Cells used to descibe usb controller index. Should be <1> | ||
| 5 | - compatible: Should be one of below: | ||
| 6 | "fsl,imx6q-usbmisc" for imx6q | ||
| 7 | - reg: Should contain registers location and length | ||
| 8 | |||
| 9 | Examples: | ||
| 10 | usbmisc@02184800 { | ||
| 11 | #index-cells = <1>; | ||
| 12 | compatible = "fsl,imx6q-usbmisc"; | ||
| 13 | reg = <0x02184800 0x200>; | ||
| 14 | }; | ||
| @@ -0,0 +1,15 @@ | |||
| 1 | VIA/Wondermedia VT8500 EHCI Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-ehci" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - interrupts : ehci controller interrupt | ||
| 8 | |||
| 9 | Example: | ||
| 10 | |||
| 11 | ehci@d8007900 { | ||
| 12 | compatible = "via,vt8500-ehci"; | ||
| 13 | reg = <0xd8007900 0x200>; | ||
| 14 | interrupts = <43>; | ||
| 15 | }; | ||
| @@ -0,0 +1,12 @@ | |||
| 1 | VIA VT8500 and Wondermedia WM8xxx SoC USB controllers. | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible: Should be "via,vt8500-ehci" or "wm,prizm-ehci". | ||
| 5 | - reg: Address range of the ehci registers. size should be 0x200 | ||
| 6 | - interrupts: Should contain the ehci interrupt. | ||
| 7 | |||
| 8 | usb: ehci@D8007100 { | ||
| 9 | compatible = "wm,prizm-ehci", "usb-ehci"; | ||
| 10 | reg = <0xD8007100 0x200>; | ||
| 11 | interrupts = <1>; | ||
| 12 | }; | ||
| @@ -10,6 +10,7 @@ apm Applied Micro Circuits Corporation (APM) · 9 unmodified lines | |||
| 10 | arm ARM Ltd. | 10 | arm ARM Ltd. |
| 11 | atmel Atmel Corporation | 11 | atmel Atmel Corporation |
| 12 | bosch Bosch Sensortec GmbH | 12 | bosch Bosch Sensortec GmbH |
| 13 | brcm Broadcom Corporation | ||
| 13 | cavium Cavium, Inc. | 14 | cavium Cavium, Inc. |
| 14 | chrp Common Hardware Reference Platform | 15 | chrp Common Hardware Reference Platform |
| 15 | cortina Cortina Systems, Inc. | 16 | cortina Cortina Systems, Inc. |
| @@ -47,5 +48,7 @@ sirf SiRF Technology, Inc. · 31 unmodified lines | |||
| 47 | st STMicroelectronics | 48 | st STMicroelectronics |
| 48 | stericsson ST-Ericsson | 49 | stericsson ST-Ericsson |
| 49 | ti Texas Instruments | 50 | ti Texas Instruments |
| 51 | via VIA Technologies, Inc. | ||
| 50 | wlf Wolfson Microelectronics | 52 | wlf Wolfson Microelectronics |
| 53 | wm Wondermedia Technologies, Inc. | ||
| 51 | xlnx Xilinx | 54 | xlnx Xilinx |
| @@ -0,0 +1,15 @@ | |||
| 1 | 88pm860x-backlight bindings | ||
| 2 | |||
| 3 | Optional properties: | ||
| 4 | - marvell,88pm860x-iset: Current supplies on backlight device. | ||
| 5 | - marvell,88pm860x-pwm: PWM frequency on backlight device. | ||
| 6 | |||
| 7 | Example: | ||
| 8 | |||
| 9 | backlights { | ||
| 10 | backlight-0 { | ||
| 11 | marvell,88pm860x-iset = <4>; | ||
| 12 | marvell,88pm860x-pwm = <3>; | ||
| 13 | }; | ||
| 14 | backlight-2 { | ||
| 15 | }; | ||
| @@ -0,0 +1,62 @@ | |||
| 1 | VIA VT8500 Framebuffer | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "via,vt8500-fb" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - interrupts : framebuffer controller interrupt | ||
| 8 | - display: a phandle pointing to the display node | ||
| 9 | |||
| 10 | Required nodes: | ||
| 11 | - display: a display node is required to initialize the lcd panel | ||
| 12 | This should be in the board dts. | ||
| 13 | - default-mode: a videomode within the display with timing parameters | ||
| 14 | as specified below. | ||
| 15 | |||
| 16 | Example: | ||
| 17 | |||
| 18 | fb@d800e400 { | ||
| 19 | compatible = "via,vt8500-fb"; | ||
| 20 | reg = <0xd800e400 0x400>; | ||
| 21 | interrupts = <12>; | ||
| 22 | display = <&display>; | ||
| 23 | default-mode = <&mode0>; | ||
| 24 | }; | ||
| 25 | |||
| 26 | VIA VT8500 Display | ||
| 27 | ----------------------------------------------------- | ||
| 28 | Required properties (as per of_videomode_helper): | ||
| 29 | |||
| 30 | - hactive, vactive: Display resolution | ||
| 31 | - hfront-porch, hback-porch, hsync-len: Horizontal Display timing parameters | ||
| 32 | in pixels | ||
| 33 | vfront-porch, vback-porch, vsync-len: Vertical display timing parameters in | ||
| 34 | lines | ||
| 35 | - clock: displayclock in Hz | ||
| 36 | - bpp: lcd panel bit-depth. | ||
| 37 | <16> for RGB565, <32> for RGB888 | ||
| 38 | |||
| 39 | Optional properties (as per of_videomode_helper): | ||
| 40 | - width-mm, height-mm: Display dimensions in mm | ||
| 41 | - hsync-active-high (bool): Hsync pulse is active high | ||
| 42 | - vsync-active-high (bool): Vsync pulse is active high | ||
| 43 | - interlaced (bool): This is an interlaced mode | ||
| 44 | - doublescan (bool): This is a doublescan mode | ||
| 45 | |||
| 46 | Example: | ||
| 47 | display: display@0 { | ||
| 48 | modes { | ||
| 49 | mode0: mode@0 { | ||
| 50 | hactive = <800>; | ||
| 51 | vactive = <480>; | ||
| 52 | hback-porch = <88>; | ||
| 53 | hfront-porch = <40>; | ||
| 54 | hsync-len = <0>; | ||
| 55 | vback-porch = <32>; | ||
| 56 | vfront-porch = <11>; | ||
| 57 | vsync-len = <1>; | ||
| 58 | clock = <0>; /* unused but required */ | ||
| 59 | bpp = <16>; /* non-standard but required */ | ||
| 60 | }; | ||
| 61 | }; | ||
| 62 | }; | ||
| @@ -0,0 +1,13 @@ | |||
| 1 | VIA/Wondermedia Graphics Engine Controller | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "wm,prizm-ge-rops" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | |||
| 8 | Example: | ||
| 9 | |||
| 10 | ge_rops@d8050400 { | ||
| 11 | compatible = "wm,prizm-ge-rops"; | ||
| 12 | reg = <0xd8050400 0x100>; | ||
| 13 | }; | ||
| @@ -0,0 +1,23 @@ | |||
| 1 | Wondermedia WM8505 Framebuffer | ||
| 2 | ----------------------------------------------------- | ||
| 3 | |||
| 4 | Required properties: | ||
| 5 | - compatible : "wm,wm8505-fb" | ||
| 6 | - reg : Should contain 1 register ranges(address and length) | ||
| 7 | - via,display: a phandle pointing to the display node | ||
| 8 | |||
| 9 | Required nodes: | ||
| 10 | - display: a display node is required to initialize the lcd panel | ||
| 11 | This should be in the board dts. See definition in | ||
| 12 | Documentation/devicetree/bindings/video/via,vt8500-fb.txt | ||
| 13 | - default-mode: a videomode node as specified in | ||
| 14 | Documentation/devicetree/bindings/video/via,vt8500-fb.txt | ||
| 15 | |||
| 16 | Example: | ||
| 17 | |||
| 18 | fb@d8050800 { | ||
| 19 | compatible = "wm,wm8505-fb"; | ||
| 20 | reg = <0xd8050800 0x200>; | ||
| 21 | display = <&display>; | ||
| 22 | default-mode = <&mode0>; | ||
| 23 | }; | ||
| @@ -284,3 +284,7 @@ CLOCK · 283 unmodified lines | |||
| 284 | PINCTRL | 284 | PINCTRL |
| 285 | devm_pinctrl_get() | 285 | devm_pinctrl_get() |
| 286 | devm_pinctrl_put() | 286 | devm_pinctrl_put() |
| 287 | |||
| 288 | PWM | ||
| 289 | devm_pwm_get() | ||
| 290 | devm_pwm_put() | ||
| @@ -30,7 +30,7 @@ with the device via the bus. The connection between the DVB-API-functionality · 29 unmodified lines | |||
| 30 | is done via callbacks, assigned in a static device-description (struct | 30 | is done via callbacks, assigned in a static device-description (struct |
| 31 | dvb_usb_device) each device-driver has to have. | 31 | dvb_usb_device) each device-driver has to have. |
| 32 | 32 | ||
| 33 | For an example have a look in drivers/media/dvb/dvb-usb/vp7045*. | 33 | For an example have a look in drivers/media/usb/dvb-usb/vp7045*. |
| 34 | 34 | ||
| 35 | Objective is to migrate all the usb-devices (dibusb, cinergyT2, maybe the | 35 | Objective is to migrate all the usb-devices (dibusb, cinergyT2, maybe the |
| 36 | ttusb; flexcop-usb already benefits from the generic flexcop-device) to use | 36 | ttusb; flexcop-usb already benefits from the generic flexcop-device) to use |
| @@ -116,7 +116,7 @@ sub tda10045 { · 115 unmodified lines | |||
| 116 | 116 | ||
| 117 | sub tda10046 { | 117 | sub tda10046 { |
| 118 | my $sourcefile = "TT_PCI_2.19h_28_11_2006.zip"; | 118 | my $sourcefile = "TT_PCI_2.19h_28_11_2006.zip"; |
| 119 | my $url = "http://www.tt-download.com/download/updates/219/$sourcefile"; | 119 | my $url = "http://technotrend.com.ua/download/software/219/$sourcefile"; |
| 120 | my $hash = "6a7e1e2f2644b162ff0502367553c72d"; | 120 | my $hash = "6a7e1e2f2644b162ff0502367553c72d"; |
| 121 | my $outfile = "dvb-fe-tda10046.fw"; | 121 | my $outfile = "dvb-fe-tda10046.fw"; |
| 122 | my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 122 | my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); |
| @@ -1,607 +0,0 @@ | |||
| 1 | The following is a list of files and features that are going to be | ||
| 2 | removed in the kernel source tree. Every entry should contain what | ||
| 3 | exactly is going away, why it is happening, and who is going to be doing | ||
| 4 | the work. When the feature is removed from the kernel, it should also | ||
| 5 | be removed from this file. The suggested deprecation period is 3 releases. | ||
| 6 | |||
| 7 | --------------------------- | ||
| 8 | |||
| 9 | What: ddebug_query="query" boot cmdline param | ||
| 10 | When: v3.8 | ||
| 11 | Why: obsoleted by dyndbg="query" and module.dyndbg="query" | ||
| 12 | Who: Jim Cromie <jim.cromie@gmail.com>, Jason Baron <jbaron@redhat.com> | ||
| 13 | |||
| 14 | --------------------------- | ||
| 15 | |||
| 16 | What: /proc/sys/vm/nr_pdflush_threads | ||
| 17 | When: 2012 | ||
| 18 | Why: Since pdflush is deprecated, the interface exported in /proc/sys/vm/ | ||
| 19 | should be removed. | ||
| 20 | Who: Wanpeng Li <liwp@linux.vnet.ibm.com> | ||
| 21 | |||
| 22 | --------------------------- | ||
| 23 | |||
| 24 | What: CONFIG_APM_CPU_IDLE, and its ability to call APM BIOS in idle | ||
| 25 | When: 2012 | ||
| 26 | Why: This optional sub-feature of APM is of dubious reliability, | ||
| 27 | and ancient APM laptops are likely better served by calling HLT. | ||
| 28 | Deleting CONFIG_APM_CPU_IDLE allows x86 to stop exporting | ||
| 29 | the pm_idle function pointer to modules. | ||
| 30 | Who: Len Brown <len.brown@intel.com> | ||
| 31 | |||
| 32 | ---------------------------- | ||
| 33 | |||
| 34 | What: x86_32 "no-hlt" cmdline param | ||
| 35 | When: 2012 | ||
| 36 | Why: remove a branch from idle path, simplify code used by everybody. | ||
| 37 | This option disabled the use of HLT in idle and machine_halt() | ||
| 38 | for hardware that was flakey 15-years ago. Today we have | ||
| 39 | "idle=poll" that removed HLT from idle, and so if such a machine | ||
| 40 | is still running the upstream kernel, "idle=poll" is likely sufficient. | ||
| 41 | Who: Len Brown <len.brown@intel.com> | ||
| 42 | |||
| 43 | ---------------------------- | ||
| 44 | |||
| 45 | What: x86 "idle=mwait" cmdline param | ||
| 46 | When: 2012 | ||
| 47 | Why: simplify x86 idle code | ||
| 48 | Who: Len Brown <len.brown@intel.com> | ||
| 49 | |||
| 50 | ---------------------------- | ||
| 51 | |||
| 52 | What: PRISM54 | ||
| 53 | When: 2.6.34 | ||
| 54 | |||
| 55 | Why: prism54 FullMAC PCI / Cardbus devices used to be supported only by the | ||
| 56 | prism54 wireless driver. After Intersil stopped selling these | ||
| 57 | devices in preference for the newer more flexible SoftMAC devices | ||
| 58 | a SoftMAC device driver was required and prism54 did not support | ||
| 59 | them. The p54pci driver now exists and has been present in the kernel for | ||
| 60 | a while. This driver supports both SoftMAC devices and FullMAC devices. | ||
| 61 | The main difference between these devices was the amount of memory which | ||
| 62 | could be used for the firmware. The SoftMAC devices support a smaller | ||
| 63 | amount of memory. Because of this the SoftMAC firmware fits into FullMAC | ||
| 64 | devices's memory. p54pci supports not only PCI / Cardbus but also USB | ||
| 65 | and SPI. Since p54pci supports all devices prism54 supports | ||
| 66 | you will have a conflict. I'm not quite sure how distributions are | ||
| 67 | handling this conflict right now. prism54 was kept around due to | ||
| 68 | claims users may experience issues when using the SoftMAC driver. | ||
| 69 | Time has passed users have not reported issues. If you use prism54 | ||
| 70 | and for whatever reason you cannot use p54pci please let us know! | ||
| 71 | E-mail us at: linux-wireless@vger.kernel.org | ||
| 72 | |||
| 73 | For more information see the p54 wiki page: | ||
| 74 | |||
| 75 | http://wireless.kernel.org/en/users/Drivers/p54 | ||
| 76 | |||
| 77 | Who: Luis R. Rodriguez <lrodriguez@atheros.com> | ||
| 78 | |||
| 79 | --------------------------- | ||
| 80 | |||
| 81 | What: The ieee80211_regdom module parameter | ||
| 82 | When: March 2010 / desktop catchup | ||
| 83 | |||
| 84 | Why: This was inherited by the CONFIG_WIRELESS_OLD_REGULATORY code, | ||
| 85 | and currently serves as an option for users to define an | ||
| 86 | ISO / IEC 3166 alpha2 code for the country they are currently | ||
| 87 | present in. Although there are userspace API replacements for this | ||
| 88 | through nl80211 distributions haven't yet caught up with implementing | ||
| 89 | decent alternatives through standard GUIs. Although available as an | ||
| 90 | option through iw or wpa_supplicant its just a matter of time before | ||
| 91 | distributions pick up good GUI options for this. The ideal solution | ||
| 92 | would actually consist of intelligent designs which would do this for | ||
| 93 | the user automatically even when travelling through different countries. | ||
| 94 | Until then we leave this module parameter as a compromise. | ||
| 95 | |||
| 96 | When userspace improves with reasonable widely-available alternatives for | ||
| 97 | this we will no longer need this module parameter. This entry hopes that | ||
| 98 | by the super-futuristically looking date of "March 2010" we will have | ||
| 99 | such replacements widely available. | ||
| 100 | |||
| 101 | Who: Luis R. Rodriguez <lrodriguez@atheros.com> | ||
| 102 | |||
| 103 | --------------------------- | ||
| 104 | |||
| 105 | What: dev->power.power_state | ||
| 106 | When: July 2007 | ||
| 107 | Why: Broken design for runtime control over driver power states, confusing | ||
| 108 | driver-internal runtime power management with: mechanisms to support | ||
| 109 | system-wide sleep state transitions; event codes that distinguish | ||
| 110 | different phases of swsusp "sleep" transitions; and userspace policy | ||
| 111 | inputs. This framework was never widely used, and most attempts to | ||
| 112 | use it were broken. Drivers should instead be exposing domain-specific | ||
| 113 | interfaces either to kernel or to userspace. | ||
| 114 | Who: Pavel Machek <pavel@ucw.cz> | ||
| 115 | |||
| 116 | --------------------------- | ||
| 117 | |||
| 118 | What: /proc/<pid>/oom_adj | ||
| 119 | When: August 2012 | ||
| 120 | Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's | ||
| 121 | badness heuristic used to determine which task to kill when the kernel | ||
| 122 | is out of memory. | ||
| 123 | |||
| 124 | The badness heuristic has since been rewritten since the introduction of | ||
| 125 | this tunable such that its meaning is deprecated. The value was | ||
| 126 | implemented as a bitshift on a score generated by the badness() | ||
| 127 | function that did not have any precise units of measure. With the | ||
| 128 | rewrite, the score is given as a proportion of available memory to the | ||
| 129 | task allocating pages, so using a bitshift which grows the score | ||
| 130 | exponentially is, thus, impossible to tune with fine granularity. | ||
| 131 | |||
| 132 | A much more powerful interface, /proc/<pid>/oom_score_adj, was | ||
| 133 | introduced with the oom killer rewrite that allows users to increase or | ||
| 134 | decrease the badness score linearly. This interface will replace | ||
| 135 | /proc/<pid>/oom_adj. | ||
| 136 | |||
| 137 | A warning will be emitted to the kernel log if an application uses this | ||
| 138 | deprecated interface. After it is printed once, future warnings will be | ||
| 139 | suppressed until the kernel is rebooted. | ||
| 140 | |||
| 141 | --------------------------- | ||
| 142 | |||
| 143 | What: remove EXPORT_SYMBOL(kernel_thread) | ||
| 144 | When: August 2006 | ||
| 145 | Files: arch/*/kernel/*_ksyms.c | ||
| 146 | Check: kernel_thread | ||
| 147 | Why: kernel_thread is a low-level implementation detail. Drivers should | ||
| 148 | use the <linux/kthread.h> API instead which shields them from | ||
| 149 | implementation details and provides a higherlevel interface that | ||
| 150 | prevents bugs and code duplication | ||
| 151 | Who: Christoph Hellwig <hch@lst.de> | ||
| 152 | |||
| 153 | --------------------------- | ||
| 154 | |||
| 155 | What: Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports | ||
| 156 | (temporary transition config option provided until then) | ||
| 157 | The transition config option will also be removed at the same time. | ||
| 158 | When: before 2.6.19 | ||
| 159 | Why: Unused symbols are both increasing the size of the kernel binary | ||
| 160 | and are often a sign of "wrong API" | ||
| 161 | Who: Arjan van de Ven <arjan@linux.intel.com> | ||
| 162 | |||
| 163 | --------------------------- | ||
| 164 | |||
| 165 | What: PHYSDEVPATH, PHYSDEVBUS, PHYSDEVDRIVER in the uevent environment | ||
| 166 | When: October 2008 | ||
| 167 | Why: The stacking of class devices makes these values misleading and | ||
| 168 | inconsistent. | ||
| 169 | Class devices should not carry any of these properties, and bus | ||
| 170 | devices have SUBSYTEM and DRIVER as a replacement. | ||
| 171 | Who: Kay Sievers <kay.sievers@suse.de> | ||
| 172 | |||
| 173 | --------------------------- | ||
| 174 | |||
| 175 | What: ACPI procfs interface | ||
| 176 | When: July 2008 | ||
| 177 | Why: ACPI sysfs conversion should be finished by January 2008. | ||
| 178 | ACPI procfs interface will be removed in July 2008 so that | ||
| 179 | there is enough time for the user space to catch up. | ||
| 180 | Who: Zhang Rui <rui.zhang@intel.com> | ||
| 181 | |||
| 182 | --------------------------- | ||
| 183 | |||
| 184 | What: CONFIG_ACPI_PROCFS_POWER | ||
| 185 | When: 2.6.39 | ||
| 186 | Why: sysfs I/F for ACPI power devices, including AC and Battery, | ||
| 187 | has been working in upstream kernel since 2.6.24, Sep 2007. | ||
| 188 | In 2.6.37, we make the sysfs I/F always built in and this option | ||
| 189 | disabled by default. | ||
| 190 | Remove this option and the ACPI power procfs interface in 2.6.39. | ||
| 191 | Who: Zhang Rui <rui.zhang@intel.com> | ||
| 192 | |||
| 193 | --------------------------- | ||
| 194 | |||
| 195 | What: /proc/acpi/event | ||
| 196 | When: February 2008 | ||
| 197 | Why: /proc/acpi/event has been replaced by events via the input layer | ||
| 198 | and netlink since 2.6.23. | ||
| 199 | Who: Len Brown <len.brown@intel.com> | ||
| 200 | |||
| 201 | --------------------------- | ||
| 202 | |||
| 203 | What: i386/x86_64 bzImage symlinks | ||
| 204 | When: April 2010 | ||
| 205 | |||
| 206 | Why: The i386/x86_64 merge provides a symlink to the old bzImage | ||
| 207 | location so not yet updated user space tools, e.g. package | ||
| 208 | scripts, do not break. | ||
| 209 | Who: Thomas Gleixner <tglx@linutronix.de> | ||
| 210 | |||
| 211 | --------------------------- | ||
| 212 | |||
| 213 | What: GPIO autorequest on gpio_direction_{input,output}() in gpiolib | ||
| 214 | When: February 2010 | ||
| 215 | Why: All callers should use explicit gpio_request()/gpio_free(). | ||
| 216 | The autorequest mechanism in gpiolib was provided mostly as a | ||
| 217 | migration aid for legacy GPIO interfaces (for SOC based GPIOs). | ||
| 218 | Those users have now largely migrated. Platforms implementing | ||
| 219 | the GPIO interfaces without using gpiolib will see no changes. | ||
| 220 | Who: David Brownell <dbrownell@users.sourceforge.net> | ||
| 221 | --------------------------- | ||
| 222 | |||
| 223 | What: b43 support for firmware revision < 410 | ||
| 224 | When: The schedule was July 2008, but it was decided that we are going to keep the | ||
| 225 | code as long as there are no major maintanance headaches. | ||
| 226 | So it _could_ be removed _any_ time now, if it conflicts with something new. | ||
| 227 | Why: The support code for the old firmware hurts code readability/maintainability | ||
| 228 | and slightly hurts runtime performance. Bugfixes for the old firmware | ||
| 229 | are not provided by Broadcom anymore. | ||
| 230 | Who: Michael Buesch <m@bues.ch> | ||
| 231 | |||
| 232 | --------------------------- | ||
| 233 | |||
| 234 | What: Ability for non root users to shm_get hugetlb pages based on mlock | ||
| 235 | resource limits | ||
| 236 | When: 2.6.31 | ||
| 237 | Why: Non root users need to be part of /proc/sys/vm/hugetlb_shm_group or | ||
| 238 | have CAP_IPC_LOCK to be able to allocate shm segments backed by | ||
| 239 | huge pages. The mlock based rlimit check to allow shm hugetlb is | ||
| 240 | inconsistent with mmap based allocations. Hence it is being | ||
| 241 | deprecated. | ||
| 242 | Who: Ravikiran Thirumalai <kiran@scalex86.org> | ||
| 243 | |||
| 244 | --------------------------- | ||
| 245 | |||
| 246 | What: sysfs ui for changing p4-clockmod parameters | ||
| 247 | When: September 2009 | ||
| 248 | Why: See commits 129f8ae9b1b5be94517da76009ea956e89104ce8 and | ||
| 249 | e088e4c9cdb618675874becb91b2fd581ee707e6. | ||
| 250 | Removal is subject to fixing any remaining bugs in ACPI which may | ||
| 251 | cause the thermal throttling not to happen at the right time. | ||
| 252 | Who: Dave Jones <davej@redhat.com>, Matthew Garrett <mjg@redhat.com> | ||
| 253 | |||
| 254 | ----------------------------- | ||
| 255 | |||
| 256 | What: CONFIG_RFKILL_INPUT | ||
| 257 | When: 2.6.33 | ||
| 258 | Why: Should be implemented in userspace, policy daemon. | ||
| 259 | Who: Johannes Berg <johannes@sipsolutions.net> | ||
| 260 | |||
| 261 | ---------------------------- | ||
| 262 | |||
| 263 | What: sound-slot/service-* module aliases and related clutters in | ||
| 264 | sound/sound_core.c | ||
| 265 | When: August 2010 | ||
| 266 | Why: OSS sound_core grabs all legacy minors (0-255) of SOUND_MAJOR | ||
| 267 | (14) and requests modules using custom sound-slot/service-* | ||
| 268 | module aliases. The only benefit of doing this is allowing | ||
| 269 | use of custom module aliases which might as well be considered | ||
| 270 | a bug at this point. This preemptive claiming prevents | ||
| 271 | alternative OSS implementations. | ||
| 272 | |||
| 273 | Till the feature is removed, the kernel will be requesting | ||
| 274 | both sound-slot/service-* and the standard char-major-* module | ||
| 275 | aliases and allow turning off the pre-claiming selectively via | ||
| 276 | CONFIG_SOUND_OSS_CORE_PRECLAIM and soundcore.preclaim_oss | ||
| 277 | kernel parameter. | ||
| 278 | |||
| 279 | After the transition phase is complete, both the custom module | ||
| 280 | aliases and switches to disable it will go away. This removal | ||
| 281 | will also allow making ALSA OSS emulation independent of | ||
| 282 | sound_core. The dependency will be broken then too. | ||
| 283 | Who: Tejun Heo <tj@kernel.org> | ||
| 284 | |||
| 285 | ---------------------------- | ||
| 286 | |||
| 287 | What: sysfs-class-rfkill state file | ||
| 288 | When: Feb 2014 | ||
| 289 | Files: net/rfkill/core.c | ||
| 290 | Why: Documented as obsolete since Feb 2010. This file is limited to 3 | ||
| 291 | states while the rfkill drivers can have 4 states. | ||
| 292 | Who: anybody or Florian Mickler <florian@mickler.org> | ||
| 293 | |||
| 294 | ---------------------------- | ||
| 295 | |||
| 296 | What: sysfs-class-rfkill claim file | ||
| 297 | When: Feb 2012 | ||
| 298 | Files: net/rfkill/core.c | ||
| 299 | Why: It is not possible to claim an rfkill driver since 2007. This is | ||
| 300 | Documented as obsolete since Feb 2010. | ||
| 301 | Who: anybody or Florian Mickler <florian@mickler.org> | ||
| 302 | |||
| 303 | ---------------------------- | ||
| 304 | |||
| 305 | What: iwlwifi 50XX module parameters | ||
| 306 | When: 3.0 | ||
| 307 | Why: The "..50" modules parameters were used to configure 5000 series and | ||
| 308 | up devices; different set of module parameters also available for 4965 | ||
| 309 | with same functionalities. Consolidate both set into single place | ||
| 310 | in drivers/net/wireless/iwlwifi/iwl-agn.c | ||
| 311 | |||
| 312 | Who: Wey-Yi Guy <wey-yi.w.guy@intel.com> | ||
| 313 | |||
| 314 | ---------------------------- | ||
| 315 | |||
| 316 | What: iwl4965 alias support | ||
| 317 | When: 3.0 | ||
| 318 | Why: Internal alias support has been present in module-init-tools for some | ||
| 319 | time, the MODULE_ALIAS("iwl4965") boilerplate aliases can be removed | ||
| 320 | with no impact. | ||
| 321 | |||
| 322 | Who: Wey-Yi Guy <wey-yi.w.guy@intel.com> | ||
| 323 | |||
| 324 | --------------------------- | ||
| 325 | |||
| 326 | What: xt_NOTRACK | ||
| 327 | Files: net/netfilter/xt_NOTRACK.c | ||
| 328 | When: April 2011 | ||
| 329 | Why: Superseded by xt_CT | ||
| 330 | Who: Netfilter developer team <netfilter-devel@vger.kernel.org> | ||
| 331 | |||
| 332 | ---------------------------- | ||
| 333 | |||
| 334 | What: IRQF_DISABLED | ||
| 335 | When: 2.6.36 | ||
| 336 | Why: The flag is a NOOP as we run interrupt handlers with interrupts disabled | ||
| 337 | Who: Thomas Gleixner <tglx@linutronix.de> | ||
| 338 | |||
| 339 | ---------------------------- | ||
| 340 | |||
| 341 | What: PCI DMA unmap state API | ||
| 342 | When: August 2012 | ||
| 343 | Why: PCI DMA unmap state API (include/linux/pci-dma.h) was replaced | ||
| 344 | with DMA unmap state API (DMA unmap state API can be used for | ||
| 345 | any bus). | ||
| 346 | Who: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | ||
| 347 | |||
| 348 | ---------------------------- | ||
| 349 | |||
| 350 | What: iwlwifi disable_hw_scan module parameters | ||
| 351 | When: 3.0 | ||
| 352 | Why: Hareware scan is the prefer method for iwlwifi devices for | ||
| 353 | scanning operation. Remove software scan support for all the | ||
| 354 | iwlwifi devices. | ||
| 355 | |||
| 356 | Who: Wey-Yi Guy <wey-yi.w.guy@intel.com> | ||
| 357 | |||
| 358 | ---------------------------- | ||
| 359 | |||
| 360 | What: Legacy, non-standard chassis intrusion detection interface. | ||
| 361 | When: June 2011 | ||
| 362 | Why: The adm9240, w83792d and w83793 hardware monitoring drivers have | ||
| 363 | legacy interfaces for chassis intrusion detection. A standard | ||
| 364 | interface has been added to each driver, so the legacy interface | ||
| 365 | can be removed. | ||
| 366 | Who: Jean Delvare <khali@linux-fr.org> | ||
| 367 | |||
| 368 | ---------------------------- | ||
| 369 | |||
| 370 | What: i2c_driver.attach_adapter | ||
| 371 | i2c_driver.detach_adapter | ||
| 372 | When: September 2011 | ||
| 373 | Why: These legacy callbacks should no longer be used as i2c-core offers | ||
| 374 | a variety of preferable alternative ways to instantiate I2C devices. | ||
| 375 | Who: Jean Delvare <khali@linux-fr.org> | ||
| 376 | |||
| 377 | ---------------------------- | ||
| 378 | |||
| 379 | What: Opening a radio device node will no longer automatically switch the | ||
| 380 | tuner mode from tv to radio. | ||
| 381 | When: 3.3 | ||
| 382 | Why: Just opening a V4L device should not change the state of the hardware | ||
| 383 | like that. It's very unexpected and against the V4L spec. Instead, you | ||
| 384 | switch to radio mode by calling VIDIOC_S_FREQUENCY. This is the second | ||
| 385 | and last step of the move to consistent handling of tv and radio tuners. | ||
| 386 | Who: Hans Verkuil <hans.verkuil@cisco.com> | ||
| 387 | |||
| 388 | ---------------------------- | ||
| 389 | |||
| 390 | What: CONFIG_CFG80211_WEXT | ||
| 391 | When: as soon as distributions ship new wireless tools, ie. wpa_supplicant 1.0 | ||
| 392 | and NetworkManager/connman/etc. that are able to use nl80211 | ||
| 393 | Why: Wireless extensions are deprecated, and userland tools are moving to | ||
| 394 | using nl80211. New drivers are no longer using wireless extensions, | ||
| 395 | and while there might still be old drivers, both new drivers and new | ||
| 396 | userland no longer needs them and they can't be used for an feature | ||
| 397 | developed in the past couple of years. As such, compatibility with | ||
| 398 | wireless extensions in new drivers will be removed. | ||
| 399 | Who: Johannes Berg <johannes@sipsolutions.net> | ||
| 400 | |||
| 401 | ---------------------------- | ||
| 402 | |||
| 403 | What: g_file_storage driver | ||
| 404 | When: 3.8 | ||
| 405 | Why: This driver has been superseded by g_mass_storage. | ||
| 406 | Who: Alan Stern <stern@rowland.harvard.edu> | ||
| 407 | |||
| 408 | ---------------------------- | ||
| 409 | |||
| 410 | What: threeg and interface sysfs files in /sys/devices/platform/acer-wmi | ||
| 411 | When: 2012 | ||
| 412 | Why: In 3.0, we can now autodetect internal 3G device and already have | ||
| 413 | the threeg rfkill device. So, we plan to remove threeg sysfs support | ||
| 414 | for it's no longer necessary. | ||
| 415 | |||
| 416 | We also plan to remove interface sysfs file that exposed which ACPI-WMI | ||
| 417 | interface that was used by acer-wmi driver. It will replaced by | ||
| 418 | information log when acer-wmi initial. | ||
| 419 | Who: Lee, Chun-Yi <jlee@novell.com> | ||
| 420 | |||
| 421 | --------------------------- | ||
| 422 | |||
| 423 | What: /sys/devices/platform/_UDC_/udc/_UDC_/is_dualspeed file and | ||
| 424 | is_dualspeed line in /sys/devices/platform/ci13xxx_*/udc/device file. | ||
| 425 | When: 3.8 | ||
| 426 | Why: The is_dualspeed file is superseded by maximum_speed in the same | ||
| 427 | directory and is_dualspeed line in device file is superseded by | ||
| 428 | max_speed line in the same file. | ||
| 429 | |||
| 430 | The maximum_speed/max_speed specifies maximum speed supported by UDC. | ||
| 431 | To check if dualspeeed is supported, check if the value is >= 3. | ||
| 432 | Various possible speeds are defined in <linux/usb/ch9.h>. | ||
| 433 | Who: Michal Nazarewicz <mina86@mina86.com> | ||
| 434 | |||
| 435 | ---------------------------- | ||
| 436 | |||
| 437 | What: The XFS nodelaylog mount option | ||
| 438 | When: 3.3 | ||
| 439 | Why: The delaylog mode that has been the default since 2.6.39 has proven | ||
| 440 | stable, and the old code is in the way of additional improvements in | ||
| 441 | the log code. | ||
| 442 | Who: Christoph Hellwig <hch@lst.de> | ||
| 443 | |||
| 444 | ---------------------------- | ||
| 445 | |||
| 446 | What: iwlagn alias support | ||
| 447 | When: 3.5 | ||
| 448 | Why: The iwlagn module has been renamed iwlwifi. The alias will be around | ||
| 449 | for backward compatibility for several cycles and then dropped. | ||
| 450 | Who: Don Fry <donald.h.fry@intel.com> | ||
| 451 | |||
| 452 | ---------------------------- | ||
| 453 | |||
| 454 | What: pci_scan_bus_parented() | ||
| 455 | When: 3.5 | ||
| 456 | Why: The pci_scan_bus_parented() interface creates a new root bus. The | ||
| 457 | bus is created with default resources (ioport_resource and | ||
| 458 | iomem_resource) that are always wrong, so we rely on arch code to | ||
| 459 | correct them later. Callers of pci_scan_bus_parented() should | ||
| 460 | convert to using pci_scan_root_bus() so they can supply a list of | ||
| 461 | bus resources when the bus is created. | ||
| 462 | Who: Bjorn Helgaas <bhelgaas@google.com> | ||
| 463 | |||
| 464 | ---------------------------- | ||
| 465 | |||
| 466 | What: Low Performance USB Block driver ("CONFIG_BLK_DEV_UB") | ||
| 467 | When: 3.6 | ||
| 468 | Why: This driver provides support for USB storage devices like "USB | ||
| 469 | sticks". As of now, it is deactivated in Debian, Fedora and | ||
| 470 | Ubuntu. All current users can switch over to usb-storage | ||
| 471 | (CONFIG_USB_STORAGE) which only drawback is the additional SCSI | ||
| 472 | stack. | ||
| 473 | Who: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> | ||
| 474 | |||
| 475 | ---------------------------- | ||
| 476 | |||
| 477 | What: get_robust_list syscall | ||
| 478 | When: 2013 | ||
| 479 | Why: There appear to be no production users of the get_robust_list syscall, | ||
| 480 | and it runs the risk of leaking address locations, allowing the bypass | ||
| 481 | of ASLR. It was only ever intended for debugging, so it should be | ||
| 482 | removed. | ||
| 483 | Who: Kees Cook <keescook@chromium.org> | ||
| 484 | |||
| 485 | ---------------------------- | ||
| 486 | |||
| 487 | What: Removing the pn544 raw driver. | ||
| 488 | When: 3.6 | ||
| 489 | Why: With the introduction of the NFC HCI and SHDL kernel layers, pn544.c | ||
| 490 | is being replaced by pn544_hci.c which is accessible through the netlink | ||
| 491 | and socket NFC APIs. Moreover, pn544.c is outdated and does not seem to | ||
| 492 | work properly with the latest Android stacks. | ||
| 493 | Having 2 drivers for the same hardware is confusing and as such we | ||
| 494 | should only keep the one following the kernel NFC APIs. | ||
| 495 | Who: Samuel Ortiz <sameo@linux.intel.com> | ||
| 496 | |||
| 497 | ---------------------------- | ||
| 498 | |||
| 499 | What: setitimer accepts user NULL pointer (value) | ||
| 500 | When: 3.6 | ||
| 501 | Why: setitimer is not returning -EFAULT if user pointer is NULL. This | ||
| 502 | violates the spec. | ||
| 503 | Who: Sasikantha Babu <sasikanth.v19@gmail.com> | ||
| 504 | |||
| 505 | ---------------------------- | ||
| 506 | |||
| 507 | What: remove bogus DV presets V4L2_DV_1080I29_97, V4L2_DV_1080I30 and | ||
| 508 | V4L2_DV_1080I25 | ||
| 509 | When: 3.6 | ||
| 510 | Why: These HDTV formats do not exist and were added by a confused mind | ||
| 511 | (that was me, to be precise...) | ||
| 512 | Who: Hans Verkuil <hans.verkuil@cisco.com> | ||
| 513 | |||
| 514 | ---------------------------- | ||
| 515 | |||
| 516 | What: V4L2_CID_HCENTER, V4L2_CID_VCENTER V4L2 controls | ||
| 517 | When: 3.7 | ||
| 518 | Why: The V4L2_CID_VCENTER, V4L2_CID_HCENTER controls have been deprecated | ||
| 519 | for about 4 years and they are not used by any mainline driver. | ||
| 520 | There are newer controls (V4L2_CID_PAN*, V4L2_CID_TILT*) that provide | ||
| 521 | similar functionality. | ||
| 522 | Who: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> | ||
| 523 | |||
| 524 | ---------------------------- | ||
| 525 | |||
| 526 | What: cgroup option updates via remount | ||
| 527 | When: March 2013 | ||
| 528 | Why: Remount currently allows changing bound subsystems and | ||
| 529 | release_agent. Rebinding is hardly useful as it only works | ||
| 530 | when the hierarchy is empty and release_agent itself should be | ||
| 531 | replaced with conventional fsnotify. | ||
| 532 | |||
| 533 | ---------------------------- | ||
| 534 | |||
| 535 | What: xt_recent rev 0 | ||
| 536 | When: 2013 | ||
| 537 | Who: Pablo Neira Ayuso <pablo@netfilter.org> | ||
| 538 | Files: net/netfilter/xt_recent.c | ||
| 539 | |||
| 540 | ---------------------------- | ||
| 541 | |||
| 542 | What: KVM debugfs statistics | ||
| 543 | When: 2013 | ||
| 544 | Why: KVM tracepoints provide mostly equivalent information in a much more | ||
| 545 | flexible fashion. | ||
| 546 | |||
| 547 | ---------------------------- | ||
| 548 | |||
| 549 | What: at91-mci driver ("CONFIG_MMC_AT91") | ||
| 550 | When: 3.8 | ||
| 551 | Why: There are two mci drivers: at91-mci and atmel-mci. The PDC support | ||
| 552 | was added to atmel-mci as a first step to support more chips. | ||
| 553 | Then at91-mci was kept only for old IP versions (on at91rm9200 and | ||
| 554 | at91sam9261). The support of these IP versions has just been added | ||
| 555 | to atmel-mci, so atmel-mci can be used for all chips. | ||
| 556 | Who: Ludovic Desroches <ludovic.desroches@atmel.com> | ||
| 557 | |||
| 558 | ---------------------------- | ||
| 559 | |||
| 560 | What: net/wanrouter/ | ||
| 561 | When: June 2013 | ||
| 562 | Why: Unsupported/unmaintained/unused since 2.6 | ||
| 563 | |||
| 564 | ---------------------------- | ||
| 565 | |||
| 566 | What: V4L2 selections API target rectangle and flags unification, the | ||
| 567 | following definitions will be removed: V4L2_SEL_TGT_CROP_ACTIVE, | ||
| 568 | V4L2_SEL_TGT_COMPOSE_ACTIVE, V4L2_SUBDEV_SEL_*, V4L2_SUBDEV_SEL_FLAG_* | ||
| 569 | in favor of common V4L2_SEL_TGT_* and V4L2_SEL_FLAG_* definitions. | ||
| 570 | For more details see include/linux/v4l2-common.h. | ||
| 571 | When: 3.8 | ||
| 572 | Why: The regular V4L2 selections and the subdev selection API originally | ||
| 573 | defined distinct names for the target rectangles and flags - V4L2_SEL_* | ||
| 574 | and V4L2_SUBDEV_SEL_*. Although, it turned out that the meaning of these | ||
| 575 | target rectangles is virtually identical and the APIs were consolidated | ||
| 576 | to use single set of names - V4L2_SEL_*. This didn't involve any ABI | ||
| 577 | changes. Alias definitions were created for the original ones to avoid | ||
| 578 | any instabilities in the user space interface. After few cycles these | ||
| 579 | backward compatibility definitions will be removed. | ||
| 580 | Who: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> | ||
| 581 | |||
| 582 | ---------------------------- | ||
| 583 | |||
| 584 | What: Using V4L2_CAP_VIDEO_CAPTURE and V4L2_CAP_VIDEO_OUTPUT flags | ||
| 585 | to indicate a V4L2 memory-to-memory device capability | ||
| 586 | When: 3.8 | ||
| 587 | Why: New drivers should use new V4L2_CAP_VIDEO_M2M capability flag | ||
| 588 | to indicate a V4L2 video memory-to-memory (M2M) device and | ||
| 589 | applications can now identify a M2M video device by checking | ||
| 590 | for V4L2_CAP_VIDEO_M2M, with VIDIOC_QUERYCAP ioctl. Using ORed | ||
| 591 | V4L2_CAP_VIDEO_CAPTURE and V4L2_CAP_VIDEO_OUTPUT flags for M2M | ||
| 592 | devices is ambiguous and may lead, for example, to identifying | ||
| 593 | a M2M device as a video capture or output device. | ||
| 594 | Who: Sylwester Nawrocki <s.nawrocki@samsung.com> | ||
| 595 | |||
| 596 | ---------------------------- | ||
| 597 | |||
| 598 | What: OMAP private DMA implementation | ||
| 599 | When: 2013 | ||
| 600 | Why: We have a DMA engine implementation; all users should be updated | ||
| 601 | to use this rather than persisting with the old APIs. The old APIs | ||
| 602 | block merging the old DMA engine implementation into the DMA | ||
| 603 | engine driver. | ||
| 604 | Who: Russell King <linux@arm.linux.org.uk>, | ||
| 605 | Santosh Shilimkar <santosh.shilimkar@ti.com> | ||
| 606 | |||
| 607 | ---------------------------- | ||
| @@ -375,6 +375,16 @@ dioread_nolock locking. If the dioread_nolock option is specified · 374 unmodified lines | |||
| 375 | Because of the restrictions this options comprises | 375 | Because of the restrictions this options comprises |
| 376 | it is off by default (e.g. dioread_lock). | 376 | it is off by default (e.g. dioread_lock). |
| 377 | 377 | ||
| 378 | max_dir_size_kb=n This limits the size of directories so that any | ||
| 379 | attempt to expand them beyond the specified | ||
| 380 | limit in kilobytes will cause an ENOSPC error. | ||
| 381 | This is useful in memory constrained | ||
| 382 | environments, where a very large directory can | ||
| 383 | cause severe performance problems or even | ||
| 384 | provoke the Out Of Memory killer. (For example, | ||
| 385 | if there is only 512mb memory available, a 176mb | ||
| 386 | directory may seriously cramp the system's style.) | ||
| 387 | |||
| 378 | i_version Enable 64-bit inode version support. This option is | 388 | i_version Enable 64-bit inode version support. This option is |
| 379 | off by default. | 389 | off by default. |
| 380 | 390 | ||
| @@ -3,6 +3,7 @@ IBM's Journaled File System (JFS) for Linux · 2 unmodified lines | |||
| 3 | JFS Homepage: http://jfs.sourceforge.net/ | 3 | JFS Homepage: http://jfs.sourceforge.net/ |
| 4 | 4 | ||
| 5 | The following mount options are supported: | 5 | The following mount options are supported: |
| 6 | (*) == default | ||
| 6 | 7 | ||
| 7 | iocharset=name Character set to use for converting from Unicode to | 8 | iocharset=name Character set to use for converting from Unicode to |
| 8 | ASCII. The default is to do no conversion. Use | 9 | ASCII. The default is to do no conversion. Use |
| @@ -21,12 +22,12 @@ nointegrity Do not write to the journal. The primary use of this option · 12 unmodified lines | |||
| 21 | from backup media. The integrity of the volume is not | 22 | from backup media. The integrity of the volume is not |
| 22 | guaranteed if the system abnormally abends. | 23 | guaranteed if the system abnormally abends. |
| 23 | 24 | ||
| 24 | integrity Default. Commit metadata changes to the journal. Use this | 25 | integrity(*) Commit metadata changes to the journal. Use this option to |
| 25 | option to remount a volume where the nointegrity option was | 26 | remount a volume where the nointegrity option was |
| 26 | previously specified in order to restore normal behavior. | 27 | previously specified in order to restore normal behavior. |
| 27 | 28 | ||
| 28 | errors=continue Keep going on a filesystem error. | 29 | errors=continue Keep going on a filesystem error. |
| 29 | errors=remount-ro Default. Remount the filesystem read-only on an error. | 30 | errors=remount-ro(*) Remount the filesystem read-only on an error. |
| 30 | errors=panic Panic and halt the machine if an error occurs. | 31 | errors=panic Panic and halt the machine if an error occurs. |
| 31 | 32 | ||
| 32 | uid=value Override on-disk uid with specified value | 33 | uid=value Override on-disk uid with specified value |
| @@ -35,7 +36,17 @@ umask=value Override on-disk umask with specified octal value. For · 2 unmodified lines | |||
| 35 | directories, the execute bit will be set if the corresponding | 36 | directories, the execute bit will be set if the corresponding |
| 36 | read bit is set. | 37 | read bit is set. |
| 37 | 38 | ||
| 38 | Please send bugs, comments, cards and letters to shaggy@linux.vnet.ibm.com. | 39 | discard=minlen This enables/disables the use of discard/TRIM commands. |
| 40 | discard The discard/TRIM commands are sent to the underlying | ||
| 41 | nodiscard(*) block device when blocks are freed. This is useful for SSD | ||
| 42 | devices and sparse/thinly-provisioned LUNs. The FITRIM ioctl | ||
| 43 | command is also available together with the nodiscard option. | ||
| 44 | The value of minlen specifies the minimum blockcount, when | ||
| 45 | a TRIM command to the block device is considered usefull. | ||
| 46 | When no value is given to the discard option, it defaults to | ||
| 47 | 64 blocks, which means 256KiB in JFS. | ||
| 48 | The minlen value of discard overrides the minlen value given | ||
| 49 | on an FITRIM ioctl(). | ||
| 39 | 50 | ||
| 40 | The JFS mailing list can be subscribed to by using the link labeled | 51 | The JFS mailing list can be subscribed to by using the link labeled |
| 41 | "Mail list Subscribe" at our web page http://jfs.sourceforge.net/ | 52 | "Mail list Subscribe" at our web page http://jfs.sourceforge.net/ |
| @@ -12,9 +12,47 @@ and work is in progress on adding support for minor version 1 of the NFSv4 · 11 unmodified lines | |||
| 12 | protocol. | 12 | protocol. |
| 13 | 13 | ||
| 14 | The purpose of this document is to provide information on some of the | 14 | The purpose of this document is to provide information on some of the |
| 15 | upcall interfaces that are used in order to provide the NFS client with | 15 | special features of the NFS client that can be configured by system |
| 16 | some of the information that it requires in order to fully comply with | 16 | administrators. |
| 17 | the NFS spec. | 17 | |
| 18 | |||
| 19 | The nfs4_unique_id parameter | ||
| 20 | ============================ | ||
| 21 | |||
| 22 | NFSv4 requires clients to identify themselves to servers with a unique | ||
| 23 | string. File open and lock state shared between one client and one server | ||
| 24 | is associated with this identity. To support robust NFSv4 state recovery | ||
| 25 | and transparent state migration, this identity string must not change | ||
| 26 | across client reboots. | ||
| 27 | |||
| 28 | Without any other intervention, the Linux client uses a string that contains | ||
| 29 | the local system's node name. System administrators, however, often do not | ||
| 30 | take care to ensure that node names are fully qualified and do not change | ||
| 31 | over the lifetime of a client system. Node names can have other | ||
| 32 | administrative requirements that require particular behavior that does not | ||
| 33 | work well as part of an nfs_client_id4 string. | ||
| 34 | |||
| 35 | The nfs.nfs4_unique_id boot parameter specifies a unique string that can be | ||
| 36 | used instead of a system's node name when an NFS client identifies itself to | ||
| 37 | a server. Thus, if the system's node name is not unique, or it changes, its | ||
| 38 | nfs.nfs4_unique_id stays the same, preventing collision with other clients | ||
| 39 | or loss of state during NFS reboot recovery or transparent state migration. | ||
| 40 | |||
| 41 | The nfs.nfs4_unique_id string is typically a UUID, though it can contain | ||
| 42 | anything that is believed to be unique across all NFS clients. An | ||
| 43 | nfs4_unique_id string should be chosen when a client system is installed, | ||
| 44 | just as a system's root file system gets a fresh UUID in its label at | ||
| 45 | install time. | ||
| 46 | |||
| 47 | The string should remain fixed for the lifetime of the client. It can be | ||
| 48 | changed safely if care is taken that the client shuts down cleanly and all | ||
| 49 | outstanding NFSv4 state has expired, to prevent loss of NFSv4 state. | ||
| 50 | |||
| 51 | This string can be stored in an NFS client's grub.conf, or it can be provided | ||
| 52 | via a net boot facility such as PXE. It may also be specified as an nfs.ko | ||
| 53 | module parameter. Specifying a uniquifier string is not support for NFS | ||
| 54 | clients running in containers. | ||
| 55 | |||
| 18 | 56 | ||
| 19 | The DNS resolver | 57 | The DNS resolver |
| 20 | ================ | 58 | ================ |
| @@ -0,0 +1,41 @@ | |||
| 1 | Administrative interfaces for nfsd | ||
| 2 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| 3 | |||
| 4 | Note that normally these interfaces are used only by the utilities in | ||
| 5 | nfs-utils. | ||
| 6 | |||
| 7 | nfsd is controlled mainly by pseudofiles under the "nfsd" filesystem, | ||
| 8 | which is normally mounted at /proc/fs/nfsd/. | ||
| 9 | |||
| 10 | The server is always started by the first write of a nonzero value to | ||
| 11 | nfsd/threads. | ||
| 12 | |||
| 13 | Before doing that, NFSD can be told which sockets to listen on by | ||
| 14 | writing to nfsd/portlist; that write may be: | ||
| 15 | |||
| 16 | - an ascii-encoded file descriptor, which should refer to a | ||
| 17 | bound (and listening, for tcp) socket, or | ||
| 18 | - "transportname port", where transportname is currently either | ||
| 19 | "udp", "tcp", or "rdma". | ||
| 20 | |||
| 21 | If nfsd is started without doing any of these, then it will create one | ||
| 22 | udp and one tcp listener at port 2049 (see nfsd_init_socks). | ||
| 23 | |||
| 24 | On startup, nfsd and lockd grace periods start. | ||
| 25 | |||
| 26 | nfsd is shut down by a write of 0 to nfsd/threads. All locks and state | ||
| 27 | are thrown away at that point. | ||
| 28 | |||
| 29 | Between startup and shutdown, the number of threads may be adjusted up | ||
| 30 | or down by additional writes to nfsd/threads or by writes to | ||
| 31 | nfsd/pool_threads. | ||
| 32 | |||
| 33 | For more detail about files under nfsd/ and what they control, see | ||
| 34 | fs/nfsd/nfsctl.c; most of them have detailed comments. | ||
| 35 | |||
| 36 | Implementation notes | ||
| 37 | ^^^^^^^^^^^^^^^^^^^^ | ||
| 38 | |||
| 39 | Note that the rpc server requires the caller to serialize addition and | ||
| 40 | removal of listening sockets, and startup and shutdown of the server. | ||
| 41 | For nfsd this is done using nfsd_mutex. | ||
| @@ -78,7 +78,8 @@ nfsroot=[<server-ip>:]<root-dir>[,<nfs-options>] · 77 unmodified lines | |||
| 78 | flags = hard, nointr, noposix, cto, ac | 78 | flags = hard, nointr, noposix, cto, ac |
| 79 | 79 | ||
| 80 | 80 | ||
| 81 | ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf> | 81 | ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>: |
| 82 | <dns0-ip>:<dns1-ip> | ||
| 82 | 83 | ||
| 83 | This parameter tells the kernel how to configure IP addresses of devices | 84 | This parameter tells the kernel how to configure IP addresses of devices |
| 84 | and also how to set up the IP routing table. It was originally called | 85 | and also how to set up the IP routing table. It was originally called |
| @@ -158,6 +159,13 @@ ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf> · 73 unmodified lines | |||
| 158 | 159 | ||
| 159 | Default: any | 160 | Default: any |
| 160 | 161 | ||
| 162 | <dns0-ip> IP address of first nameserver. | ||
| 163 | Value gets exported by /proc/net/pnp which is often linked | ||
| 164 | on embedded systems by /etc/resolv.conf. | ||
| 165 | |||
| 166 | <dns1-ip> IP address of secound nameserver. | ||
| 167 | Same as above. | ||
| 168 | |||
| 161 | 169 | ||
| 162 | nfsrootdebug | 170 | nfsrootdebug |
| 163 | 171 | ||
| @@ -33,7 +33,7 @@ Table of Contents · 32 unmodified lines | |||
| 33 | 2 Modifying System Parameters | 33 | 2 Modifying System Parameters |
| 34 | 34 | ||
| 35 | 3 Per-Process Parameters | 35 | 3 Per-Process Parameters |
| 36 | 3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj - Adjust the oom-killer | 36 | 3.1 /proc/<pid>/oom_score_adj - Adjust the oom-killer |
| 37 | score | 37 | score |
| 38 | 3.2 /proc/<pid>/oom_score - Display current oom-killer score | 38 | 3.2 /proc/<pid>/oom_score - Display current oom-killer score |
| 39 | 3.3 /proc/<pid>/io - Display the IO accounting fields | 39 | 3.3 /proc/<pid>/io - Display the IO accounting fields |
| @@ -1320,10 +1320,10 @@ of the kernel. · 1280 unmodified lines | |||
| 1320 | CHAPTER 3: PER-PROCESS PARAMETERS | 1320 | CHAPTER 3: PER-PROCESS PARAMETERS |
| 1321 | ------------------------------------------------------------------------------ | 1321 | ------------------------------------------------------------------------------ |
| 1322 | 1322 | ||
| 1323 | 3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj- Adjust the oom-killer score | 1323 | 3.1 /proc/<pid>/oom_score_adj- Adjust the oom-killer score |
| 1324 | -------------------------------------------------------------------------------- | 1324 | -------------------------------------------------------------------------------- |
| 1325 | 1325 | ||
| 1326 | These file can be used to adjust the badness heuristic used to select which | 1326 | This file can be used to adjust the badness heuristic used to select which |
| 1327 | process gets killed in out of memory conditions. | 1327 | process gets killed in out of memory conditions. |
| 1328 | 1328 | ||
| 1329 | The badness heuristic assigns a value to each candidate task ranging from 0 | 1329 | The badness heuristic assigns a value to each candidate task ranging from 0 |
| @@ -1361,22 +1361,10 @@ same system, cpuset, mempolicy, or memory controller resources to use at least · 31 unmodified lines | |||
| 1361 | equivalent to discounting 50% of the task's allowed memory from being considered | 1361 | equivalent to discounting 50% of the task's allowed memory from being considered |
| 1362 | as scoring against the task. | 1362 | as scoring against the task. |
| 1363 | 1363 | ||
| 1364 | For backwards compatibility with previous kernels, /proc/<pid>/oom_adj may also | ||
| 1365 | be used to tune the badness score. Its acceptable values range from -16 | ||
| 1366 | (OOM_ADJUST_MIN) to +15 (OOM_ADJUST_MAX) and a special value of -17 | ||
| 1367 | (OOM_DISABLE) to disable oom killing entirely for that task. Its value is | ||
| 1368 | scaled linearly with /proc/<pid>/oom_score_adj. | ||
| 1369 | |||
| 1370 | Writing to /proc/<pid>/oom_score_adj or /proc/<pid>/oom_adj will change the | ||
| 1371 | other with its scaled value. | ||
| 1372 | |||
| 1373 | The value of /proc/<pid>/oom_score_adj may be reduced no lower than the last | 1364 | The value of /proc/<pid>/oom_score_adj may be reduced no lower than the last |
| 1374 | value set by a CAP_SYS_RESOURCE process. To reduce the value any lower | 1365 | value set by a CAP_SYS_RESOURCE process. To reduce the value any lower |
| 1375 | requires CAP_SYS_RESOURCE. | 1366 | requires CAP_SYS_RESOURCE. |
| 1376 | 1367 | ||
| 1377 | NOTICE: /proc/<pid>/oom_adj is deprecated and will be removed, please see | ||
| 1378 | Documentation/feature-removal-schedule.txt. | ||
| 1379 | |||
| 1380 | Caveat: when a parent task is selected, the oom killer will sacrifice any first | 1368 | Caveat: when a parent task is selected, the oom killer will sacrifice any first |
| 1381 | generation children with separate address spaces instead, if possible. This | 1369 | generation children with separate address spaces instead, if possible. This |
| 1382 | avoids servers and important system daemons from being killed and loses the | 1370 | avoids servers and important system daemons from being killed and loses the |
| @@ -1387,9 +1375,7 @@ minimal amount of work. · 4 unmodified lines | |||
| 1387 | ------------------------------------------------------------- | 1375 | ------------------------------------------------------------- |
| 1388 | 1376 | ||
| 1389 | This file can be used to check the current score used by the oom-killer is for | 1377 | This file can be used to check the current score used by the oom-killer is for |
| 1390 | any given <pid>. Use it together with /proc/<pid>/oom_adj to tune which | 1378 | any given <pid>. |
| 1391 | process should be killed in an out-of-memory situation. | ||
| 1392 | |||
| 1393 | 1379 | ||
| 1394 | 3.3 /proc/<pid>/io - Display the IO accounting fields | 1380 | 3.3 /proc/<pid>/io - Display the IO accounting fields |
| 1395 | ------------------------------------------------------- | 1381 | ------------------------------------------------------- |
| @@ -18,32 +18,40 @@ · 17 unmodified lines | |||
| 18 | High level behavior (mixed): | 18 | High level behavior (mixed): |
| 19 | ============================ | 19 | ============================ |
| 20 | 20 | ||
| 21 | kernel(driver): calls request_firmware(&fw_entry, $FIRMWARE, device) | 21 | 1), kernel(driver): |
| 22 | 22 | - calls request_firmware(&fw_entry, $FIRMWARE, device) | |
| 23 | userspace: | 23 | - kernel searchs the fimware image with name $FIRMWARE directly |
| 24 | in the below search path of root filesystem: | ||
| 25 | "/lib/firmware/updates/" UTS_RELEASE, | ||
| 26 | "/lib/firmware/updates", | ||
| 27 | "/lib/firmware/" UTS_RELEASE, | ||
| 28 | "/lib/firmware" | ||
| 29 | - If found, goto 7), else goto 2) | ||
| 30 | |||
| 31 | 2), userspace: | ||
| 24 | - /sys/class/firmware/xxx/{loading,data} appear. | 32 | - /sys/class/firmware/xxx/{loading,data} appear. |
| 25 | - hotplug gets called with a firmware identifier in $FIRMWARE | 33 | - hotplug gets called with a firmware identifier in $FIRMWARE |
| 26 | and the usual hotplug environment. | 34 | and the usual hotplug environment. |
| 27 | - hotplug: echo 1 > /sys/class/firmware/xxx/loading | 35 | - hotplug: echo 1 > /sys/class/firmware/xxx/loading |
| 28 | 36 | ||
| 29 | kernel: Discard any previous partial load. | 37 | 3), kernel: Discard any previous partial load. |
| 30 | 38 | ||
| 31 | userspace: | 39 | 4), userspace: |
| 32 | - hotplug: cat appropriate_firmware_image > \ | 40 | - hotplug: cat appropriate_firmware_image > \ |
| 33 | /sys/class/firmware/xxx/data | 41 | /sys/class/firmware/xxx/data |
| 34 | 42 | ||
| 35 | kernel: grows a buffer in PAGE_SIZE increments to hold the image as it | 43 | 5), kernel: grows a buffer in PAGE_SIZE increments to hold the image as it |
| 36 | comes in. | 44 | comes in. |
| 37 | 45 | ||
| 38 | userspace: | 46 | 6), userspace: |
| 39 | - hotplug: echo 0 > /sys/class/firmware/xxx/loading | 47 | - hotplug: echo 0 > /sys/class/firmware/xxx/loading |
| 40 | 48 | ||
| 41 | kernel: request_firmware() returns and the driver has the firmware | 49 | 7), kernel: request_firmware() returns and the driver has the firmware |
| 42 | image in fw_entry->{data,size}. If something went wrong | 50 | image in fw_entry->{data,size}. If something went wrong |
| 43 | request_firmware() returns non-zero and fw_entry is set to | 51 | request_firmware() returns non-zero and fw_entry is set to |
| 44 | NULL. | 52 | NULL. |
| 45 | 53 | ||
| 46 | kernel(driver): Driver code calls release_firmware(fw_entry) releasing | 54 | 8), kernel(driver): Driver code calls release_firmware(fw_entry) releasing |
| 47 | the firmware image and any related resource. | 55 | the firmware image and any related resource. |
| 48 | 56 | ||
| 49 | High level behavior (driver code): | 57 | High level behavior (driver code): |
| @@ -0,0 +1,51 @@ | |||
| 1 | Kernel driver adt7410 | ||
| 2 | ===================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * Analog Devices ADT7410 | ||
| 6 | Prefix: 'adt7410' | ||
| 7 | Addresses scanned: I2C 0x48 - 0x4B | ||
| 8 | Datasheet: Publicly available at the Analog Devices website | ||
| 9 | http://www.analog.com/static/imported-files/data_sheets/ADT7410.pdf | ||
| 10 | |||
| 11 | Author: Hartmut Knaack <knaack.h@gmx.de> | ||
| 12 | |||
| 13 | Description | ||
| 14 | ----------- | ||
| 15 | |||
| 16 | The ADT7410 is a temperature sensor with rated temperature range of -55°C to | ||
| 17 | +150°C. It has a high accuracy of +/-0.5°C and can be operated at a resolution | ||
| 18 | of 13 bits (0.0625°C) or 16 bits (0.0078°C). The sensor provides an INT pin to | ||
| 19 | indicate that a minimum or maximum temperature set point has been exceeded, as | ||
| 20 | well as a critical temperature (CT) pin to indicate that the critical | ||
| 21 | temperature set point has been exceeded. Both pins can be set up with a common | ||
| 22 | hysteresis of 0°C - 15°C and a fault queue, ranging from 1 to 4 events. Both | ||
| 23 | pins can individually set to be active-low or active-high, while the whole | ||
| 24 | device can either run in comparator mode or interrupt mode. The ADT7410 | ||
| 25 | supports continous temperature sampling, as well as sampling one temperature | ||
| 26 | value per second or even justget one sample on demand for power saving. | ||
| 27 | Besides, it can completely power down its ADC, if power management is | ||
| 28 | required. | ||
| 29 | |||
| 30 | Configuration Notes | ||
| 31 | ------------------- | ||
| 32 | |||
| 33 | Since the device uses one hysteresis value, which is an offset to minimum, | ||
| 34 | maximum and critical temperature, it can only be set for temp#_max_hyst. | ||
| 35 | However, temp#_min_hyst and temp#_crit_hyst show their corresponding | ||
| 36 | hysteresis. | ||
| 37 | The device is set to 16 bit resolution and comparator mode. | ||
| 38 | |||
| 39 | sysfs-Interface | ||
| 40 | --------------- | ||
| 41 | |||
| 42 | temp#_input - temperature input | ||
| 43 | temp#_min - temperature minimum setpoint | ||
| 44 | temp#_max - temperature maximum setpoint | ||
| 45 | temp#_crit - critical temperature setpoint | ||
| 46 | temp#_min_hyst - hysteresis for temperature minimum (read-only) | ||
| 47 | temp#_max_hyst - hysteresis for temperature maximum (read/write) | ||
| 48 | temp#_crit_hyst - hysteresis for critical temperature (read-only) | ||
| 49 | temp#_min_alarm - temperature minimum alarm flag | ||
| 50 | temp#_max_alarm - temperature maximum alarm flag | ||
| 51 | temp#_crit_alarm - critical temperature alarm flag | ||
| @@ -105,6 +105,7 @@ Process Processor TjMax(C) · 104 unmodified lines | |||
| 105 | 330/230 125 | 105 | 330/230 125 |
| 106 | E680/660/640/620 90 | 106 | E680/660/640/620 90 |
| 107 | E680T/660T/640T/620T 110 | 107 | E680T/660T/640T/620T 110 |
| 108 | CE4170/4150/4110 110 | ||
| 108 | 109 | ||
| 109 | 45nm Core2 Processors | 110 | 45nm Core2 Processors |
| 110 | Solo ULV SU3500/3300 100 | 111 | Solo ULV SU3500/3300 100 |
| @@ -56,6 +56,6 @@ The junction temperature is calculated: · 55 unmodified lines | |||
| 56 | The junction temperature attribute is supported by the driver. | 56 | The junction temperature attribute is supported by the driver. |
| 57 | 57 | ||
| 58 | The battery temperature is calculated: | 58 | The battery temperature is calculated: |
| 59 | Degree Celcius = 1 / (t1 + 1/298)- 273 | 59 | Degree Celsius = 1 / (t1 + 1/298)- 273 |
| 60 | where t1 = (1/B)* ln(( ADCval * 2.5)/(R25*ITBAT*255)) | 60 | where t1 = (1/B)* ln(( ADCval * 2.5)/(R25*ITBAT*255)) |
| 61 | Default values of R25, B, ITBAT are 10e3, 3380 and 50e-6 respectively. | 61 | Default values of R25, B, ITBAT are 10e3, 3380 and 50e-6 respectively. |
| @@ -1,81 +0,0 @@ | |||
| 1 | Kernel driver exynos4_tmu | ||
| 2 | ================= | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * ARM SAMSUNG EXYNOS4 series of SoC | ||
| 6 | Prefix: 'exynos4-tmu' | ||
| 7 | Datasheet: Not publicly available | ||
| 8 | |||
| 9 | Authors: Donggeun Kim <dg77.kim@samsung.com> | ||
| 10 | |||
| 11 | Description | ||
| 12 | ----------- | ||
| 13 | |||
| 14 | This driver allows to read temperature inside SAMSUNG EXYNOS4 series of SoC. | ||
| 15 | |||
| 16 | The chip only exposes the measured 8-bit temperature code value | ||
| 17 | through a register. | ||
| 18 | Temperature can be taken from the temperature code. | ||
| 19 | There are three equations converting from temperature to temperature code. | ||
| 20 | |||
| 21 | The three equations are: | ||
| 22 | 1. Two point trimming | ||
| 23 | Tc = (T - 25) * (TI2 - TI1) / (85 - 25) + TI1 | ||
| 24 | |||
| 25 | 2. One point trimming | ||
| 26 | Tc = T + TI1 - 25 | ||
| 27 | |||
| 28 | 3. No trimming | ||
| 29 | Tc = T + 50 | ||
| 30 | |||
| 31 | Tc: Temperature code, T: Temperature, | ||
| 32 | TI1: Trimming info for 25 degree Celsius (stored at TRIMINFO register) | ||
| 33 | Temperature code measured at 25 degree Celsius which is unchanged | ||
| 34 | TI2: Trimming info for 85 degree Celsius (stored at TRIMINFO register) | ||
| 35 | Temperature code measured at 85 degree Celsius which is unchanged | ||
| 36 | |||
| 37 | TMU(Thermal Management Unit) in EXYNOS4 generates interrupt | ||
| 38 | when temperature exceeds pre-defined levels. | ||
| 39 | The maximum number of configurable threshold is four. | ||
| 40 | The threshold levels are defined as follows: | ||
| 41 | Level_0: current temperature > trigger_level_0 + threshold | ||
| 42 | Level_1: current temperature > trigger_level_1 + threshold | ||
| 43 | Level_2: current temperature > trigger_level_2 + threshold | ||
| 44 | Level_3: current temperature > trigger_level_3 + threshold | ||
| 45 | |||
| 46 | The threshold and each trigger_level are set | ||
| 47 | through the corresponding registers. | ||
| 48 | |||
| 49 | When an interrupt occurs, this driver notify user space of | ||
| 50 | one of four threshold levels for the interrupt | ||
| 51 | through kobject_uevent_env and sysfs_notify functions. | ||
| 52 | Although an interrupt condition for level_0 can be set, | ||
| 53 | it is not notified to user space through sysfs_notify function. | ||
| 54 | |||
| 55 | Sysfs Interface | ||
| 56 | --------------- | ||
| 57 | name name of the temperature sensor | ||
| 58 | RO | ||
| 59 | |||
| 60 | temp1_input temperature | ||
| 61 | RO | ||
| 62 | |||
| 63 | temp1_max temperature for level_1 interrupt | ||
| 64 | RO | ||
| 65 | |||
| 66 | temp1_crit temperature for level_2 interrupt | ||
| 67 | RO | ||
| 68 | |||
| 69 | temp1_emergency temperature for level_3 interrupt | ||
| 70 | RO | ||
| 71 | |||
| 72 | temp1_max_alarm alarm for level_1 interrupt | ||
| 73 | RO | ||
| 74 | |||
| 75 | temp1_crit_alarm | ||
| 76 | alarm for level_2 interrupt | ||
| 77 | RO | ||
| 78 | |||
| 79 | temp1_emergency_alarm | ||
| 80 | alarm for level_3 interrupt | ||
| 81 | RO | ||
| @@ -10,7 +10,7 @@ Supported chips: · 9 unmodified lines | |||
| 10 | BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors | 10 | BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors |
| 11 | (not yet published) | 11 | (not yet published) |
| 12 | 12 | ||
| 13 | Author: Andreas Herrmann <andreas.herrmann3@amd.com> | 13 | Author: Andreas Herrmann <herrmann.der.user@googlemail.com> |
| 14 | 14 | ||
| 15 | Description | 15 | Description |
| 16 | ----------- | 16 | ----------- |
| @@ -8,12 +8,24 @@ Supported chips: · 7 unmodified lines | |||
| 8 | Datasheet: Publicly available at the Texas Instruments website | 8 | Datasheet: Publicly available at the Texas Instruments website |
| 9 | http://www.ti.com/ | 9 | http://www.ti.com/ |
| 10 | 10 | ||
| 11 | * Texas Instruments INA220 | ||
| 12 | Prefix: 'ina220' | ||
| 13 | Addresses: I2C 0x40 - 0x4f | ||
| 14 | Datasheet: Publicly available at the Texas Instruments website | ||
| 15 | http://www.ti.com/ | ||
| 16 | |||
| 11 | * Texas Instruments INA226 | 17 | * Texas Instruments INA226 |
| 12 | Prefix: 'ina226' | 18 | Prefix: 'ina226' |
| 13 | Addresses: I2C 0x40 - 0x4f | 19 | Addresses: I2C 0x40 - 0x4f |
| 14 | Datasheet: Publicly available at the Texas Instruments website | 20 | Datasheet: Publicly available at the Texas Instruments website |
| 15 | http://www.ti.com/ | 21 | http://www.ti.com/ |
| 16 | 22 | ||
| 23 | * Texas Instruments INA230 | ||
| 24 | Prefix: 'ina230' | ||
| 25 | Addresses: I2C 0x40 - 0x4f | ||
| 26 | Datasheet: Publicly available at the Texas Instruments website | ||
| 27 | http://www.ti.com/ | ||
| 28 | |||
| 17 | Author: Lothar Felten <l-felten@ti.com> | 29 | Author: Lothar Felten <l-felten@ti.com> |
| 18 | 30 | ||
| 19 | Description | 31 | Description |
| @@ -23,7 +35,13 @@ The INA219 is a high-side current shunt and power monitor with an I2C · 3 unmodified lines | |||
| 23 | interface. The INA219 monitors both shunt drop and supply voltage, with | 35 | interface. The INA219 monitors both shunt drop and supply voltage, with |
| 24 | programmable conversion times and filtering. | 36 | programmable conversion times and filtering. |
| 25 | 37 | ||
| 38 | The INA220 is a high or low side current shunt and power monitor with an I2C | ||
| 39 | interface. The INA220 monitors both shunt drop and supply voltage. | ||
| 40 | |||
| 26 | The INA226 is a current shunt and power monitor with an I2C interface. | 41 | The INA226 is a current shunt and power monitor with an I2C interface. |
| 27 | The INA226 monitors both a shunt voltage drop and bus supply voltage. | 42 | The INA226 monitors both a shunt voltage drop and bus supply voltage. |
| 28 | 43 | ||
| 44 | The INA230 is a high or low side current shunt and power monitor with an I2C | ||
| 45 | interface. The INA230 monitors both a shunt voltage drop and bus supply voltage. | ||
| 46 | |||
| 29 | The shunt value in micro-ohms can be set via platform data. | 47 | The shunt value in micro-ohms can be set via platform data. |
| @@ -6,6 +6,10 @@ Supported chips: · 5 unmodified lines | |||
| 6 | Datasheet: http://www.national.com/pf/LM/LM70.html | 6 | Datasheet: http://www.national.com/pf/LM/LM70.html |
| 7 | * Texas Instruments TMP121/TMP123 | 7 | * Texas Instruments TMP121/TMP123 |
| 8 | Information: http://focus.ti.com/docs/prod/folders/print/tmp121.html | 8 | Information: http://focus.ti.com/docs/prod/folders/print/tmp121.html |
| 9 | * National Semiconductor LM71 | ||
| 10 | Datasheet: http://www.ti.com/product/LM71 | ||
| 11 | * National Semiconductor LM74 | ||
| 12 | Datasheet: http://www.ti.com/product/LM74 | ||
| 9 | 13 | ||
| 10 | Author: | 14 | Author: |
| 11 | Kaiwan N Billimoria <kaiwan@designergraphix.com> | 15 | Kaiwan N Billimoria <kaiwan@designergraphix.com> |
| @@ -31,9 +35,11 @@ As a real (in-tree) example of this "SPI protocol driver" interfacing · 19 unmodified lines | |||
| 31 | with a "SPI master controller driver", see drivers/spi/spi_lm70llp.c | 35 | with a "SPI master controller driver", see drivers/spi/spi_lm70llp.c |
| 32 | and its associated documentation. | 36 | and its associated documentation. |
| 33 | 37 | ||
| 34 | The TMP121/TMP123 are very similar; main differences are 4 wire SPI inter- | 38 | The LM74 and TMP121/TMP123 are very similar; main difference is 13-bit |
| 35 | face (read only) and 13-bit temperature data (0.0625 degrees celsius reso- | 39 | temperature data (0.0625 degrees celsius resolution). |
| 36 | lution). | 40 | |
| 41 | The LM71 is also very similar; main difference is 14-bit temperature | ||
| 42 | data (0.03125 degrees celsius resolution). | ||
| 37 | 43 | ||
| 38 | Thanks to | 44 | Thanks to |
| 39 | --------- | 45 | --------- |
| @@ -9,7 +9,7 @@ Supported chips: · 8 unmodified lines | |||
| 9 | http://pdfserv.maxim-ic.com/en/ds/MAX1619.pdf | 9 | http://pdfserv.maxim-ic.com/en/ds/MAX1619.pdf |
| 10 | 10 | ||
| 11 | Authors: | 11 | Authors: |
| 12 | Alexey Fisher <fishor@mail.ru>, | 12 | Oleksij Rempel <bug-track@fisher-privat.net>, |
| 13 | Jean Delvare <khali@linux-fr.org> | 13 | Jean Delvare <khali@linux-fr.org> |
| 14 | 14 | ||
| 15 | Description | 15 | Description |
| @@ -0,0 +1,60 @@ | |||
| 1 | Maxim MAX197 driver | ||
| 2 | =================== | ||
| 3 | |||
| 4 | Author: | ||
| 5 | * Vivien Didelot <vivien.didelot@savoirfairelinux.com> | ||
| 6 | |||
| 7 | Supported chips: | ||
| 8 | * Maxim MAX197 | ||
| 9 | Prefix: 'max197' | ||
| 10 | Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX197.pdf | ||
| 11 | |||
| 12 | * Maxim MAX199 | ||
| 13 | Prefix: 'max199' | ||
| 14 | Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX199.pdf | ||
| 15 | |||
| 16 | Description | ||
| 17 | ----------- | ||
| 18 | |||
| 19 | The A/D converters MAX197, and MAX199 are both 8-Channel, Multi-Range, 5V, | ||
| 20 | 12-Bit DAS with 8+4 Bus Interface and Fault Protection. | ||
| 21 | |||
| 22 | The available ranges for the MAX197 are {0,-5V} to 5V, and {0,-10V} to 10V, | ||
| 23 | while they are {0,-2V} to 2V, and {0,-4V} to 4V on the MAX199. | ||
| 24 | |||
| 25 | Platform data | ||
| 26 | ------------- | ||
| 27 | |||
| 28 | The MAX197 platform data (defined in linux/platform_data/max197.h) should be | ||
| 29 | filled with a pointer to a conversion function, defined like: | ||
| 30 | |||
| 31 | int convert(u8 ctrl); | ||
| 32 | |||
| 33 | ctrl is the control byte to write to start a new conversion. | ||
| 34 | On success, the function must return the 12-bit raw value read from the chip, | ||
| 35 | or a negative error code otherwise. | ||
| 36 | |||
| 37 | Control byte format: | ||
| 38 | |||
| 39 | Bit Name Description | ||
| 40 | 7,6 PD1,PD0 Clock and Power-Down modes | ||
| 41 | 5 ACQMOD Internal or External Controlled Acquisition | ||
| 42 | 4 RNG Full-scale voltage magnitude at the input | ||
| 43 | 3 BIP Unipolar or Bipolar conversion mode | ||
| 44 | 2,1,0 A2,A1,A0 Channel | ||
| 45 | |||
| 46 | Sysfs interface | ||
| 47 | --------------- | ||
| 48 | |||
| 49 | * in[0-7]_input: The conversion value for the corresponding channel. | ||
| 50 | RO | ||
| 51 | |||
| 52 | * in[0-7]_min: The lower limit (in mV) for the corresponding channel. | ||
| 53 | For the MAX197, it will be adjusted to -10000, -5000, or 0. | ||
| 54 | For the MAX199, it will be adjusted to -4000, -2000, or 0. | ||
| 55 | RW | ||
| 56 | |||
| 57 | * in[0-7]_max: The higher limit (in mV) for the corresponding channel. | ||
| 58 | For the MAX197, it will be adjusted to 0, 5000, or 10000. | ||
| 59 | For the MAX199, it will be adjusted to 0, 2000, or 4000. | ||
| 60 | RW | ||
| @@ -5,18 +5,25 @@ Supported chips: · 4 unmodified lines | |||
| 5 | * Microchip Technology MCP3021 | 5 | * Microchip Technology MCP3021 |
| 6 | Prefix: 'mcp3021' | 6 | Prefix: 'mcp3021' |
| 7 | Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21805a.pdf | 7 | Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21805a.pdf |
| 8 | * Microchip Technology MCP3221 | ||
| 9 | Prefix: 'mcp3221' | ||
| 10 | Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21732c.pdf | ||
| 8 | 11 | ||
| 9 | Author: Mingkai Hu | 12 | Authors: |
| 13 | Mingkai Hu | ||
| 14 | Sven Schuchmann <schuchmann@schleissheimer.de> | ||
| 10 | 15 | ||
| 11 | Description | 16 | Description |
| 12 | ----------- | 17 | ----------- |
| 13 | 18 | ||
| 14 | This driver implements support for the Microchip Technology MCP3021 chip. | 19 | This driver implements support for the Microchip Technology MCP3021 and |
| 20 | MCP3221 chip. | ||
| 15 | 21 | ||
| 16 | The Microchip Technology Inc. MCP3021 is a successive approximation A/D | 22 | The Microchip Technology Inc. MCP3021 is a successive approximation A/D |
| 17 | converter (ADC) with 10-bit resolution. | 23 | converter (ADC) with 10-bit resolution. The MCP3221 has 12-bit resolution. |
| 18 | This device provides one single-ended input with very low power consumption. | 24 | |
| 19 | Communication to the MCP3021 is performed using a 2-wire I2C compatible | 25 | These devices provide one single-ended input with very low power consumption. |
| 20 | interface. Standard (100 kHz) and Fast (400 kHz) I2C modes are available. | 26 | Communication to the MCP3021/MCP3221 is performed using a 2-wire I2C |
| 21 | The default I2C device address is 0x4d (contact the Microchip factory for | 27 | compatible interface. Standard (100 kHz) and Fast (400 kHz) I2C modes are |
| 22 | additional address options). | 28 | available. The default I2C device address is 0x4d (contact the Microchip |
| 29 | factory for additional address options). | ||
| @@ -60,8 +60,7 @@ increase the chances of your change being accepted. · 59 unmodified lines | |||
| 60 | 60 | ||
| 61 | * Add the driver to Kconfig and Makefile in alphabetical order. | 61 | * Add the driver to Kconfig and Makefile in alphabetical order. |
| 62 | 62 | ||
| 63 | * Make sure that all dependencies are listed in Kconfig. For new drivers, it | 63 | * Make sure that all dependencies are listed in Kconfig. |
| 64 | is most likely prudent to add a dependency on EXPERIMENTAL. | ||
| 65 | 64 | ||
| 66 | * Avoid forward declarations if you can. Rearrange the code if necessary. | 65 | * Avoid forward declarations if you can. Rearrange the code if necessary. |
| 67 | 66 | ||
| @@ -41,5 +41,5 @@ Channel Signal · 40 unmodified lines | |||
| 41 | 41 | ||
| 42 | The Sysfs nodes will represent the voltage in the units of mV, | 42 | The Sysfs nodes will represent the voltage in the units of mV, |
| 43 | the temperature channel shows the converted temperature in | 43 | the temperature channel shows the converted temperature in |
| 44 | degree celcius. The Battery charging current channel represents | 44 | degree Celsius. The Battery charging current channel represents |
| 45 | battery charging current in mA. | 45 | battery charging current in mA. |
| @@ -20,7 +20,10 @@ Supported adapters: · 19 unmodified lines | |||
| 20 | Datasheet: available on http://linux.via.com.tw | 20 | Datasheet: available on http://linux.via.com.tw |
| 21 | 21 | ||
| 22 | * VIA Technologies, Inc. VX855/VX875 | 22 | * VIA Technologies, Inc. VX855/VX875 |
| 23 | Datasheet: Availability unknown | 23 | Datasheet: available on http://linux.via.com.tw |
| 24 | |||
| 25 | * VIA Technologies, Inc. VX900 | ||
| 26 | Datasheet: available on http://linux.via.com.tw | ||
| 24 | 27 | ||
| 25 | Authors: | 28 | Authors: |
| 26 | Kyösti Mälkki <kmalkki@cc.hut.fi>, | 29 | Kyösti Mälkki <kmalkki@cc.hut.fi>, |
| @@ -57,6 +60,7 @@ Your lspci -n listing must show one of these : · 30 unmodified lines | |||
| 57 | device 1106:8324 (CX700) | 60 | device 1106:8324 (CX700) |
| 58 | device 1106:8353 (VX800/VX820) | 61 | device 1106:8353 (VX800/VX820) |
| 59 | device 1106:8409 (VX855/VX875) | 62 | device 1106:8409 (VX855/VX875) |
| 63 | device 1106:8410 (VX900) | ||
| 60 | 64 | ||
| 61 | If none of these show up, you should look in the BIOS for settings like | 65 | If none of these show up, you should look in the BIOS for settings like |
| 62 | enable ACPI / SMBus or even USB. | 66 | enable ACPI / SMBus or even USB. |
| @@ -63,3 +63,21 @@ static struct platform_device myboard_i2cmux = { · 62 unmodified lines | |||
| 63 | .platform_data = &myboard_i2cmux_data, | 63 | .platform_data = &myboard_i2cmux_data, |
| 64 | }, | 64 | }, |
| 65 | }; | 65 | }; |
| 66 | |||
| 67 | If you don't know the absolute GPIO pin numbers at registration time, | ||
| 68 | you can instead provide a chip name (.chip_name) and relative GPIO pin | ||
| 69 | numbers, and the i2c-gpio-mux driver will do the work for you, | ||
| 70 | including deferred probing if the GPIO chip isn't immediately | ||
| 71 | available. | ||
| 72 | |||
| 73 | Device Registration | ||
| 74 | ------------------- | ||
| 75 | |||
| 76 | When registering your i2c-gpio-mux device, you should pass the number | ||
| 77 | of any GPIO pin it uses as the device ID. This guarantees that every | ||
| 78 | instance has a different ID. | ||
| 79 | |||
| 80 | Alternatively, if you don't need a stable device name, you can simply | ||
| 81 | pass PLATFORM_DEVID_AUTO as the device ID, and the platform core will | ||
| 82 | assign a dynamic ID to your device. If you do not know the absolute | ||
| 83 | GPIO pin numbers at registration time, this is even the only option. | ||
| @@ -24,6 +24,9 @@ Partitions and P_Keys · 23 unmodified lines | |||
| 24 | The P_Key for any interface is given by the "pkey" file, and the | 24 | The P_Key for any interface is given by the "pkey" file, and the |
| 25 | main interface for a subinterface is in "parent." | 25 | main interface for a subinterface is in "parent." |
| 26 | 26 | ||
| 27 | Child interface create/delete can also be done using IPoIB's | ||
| 28 | rtnl_link_ops, where childs created using either way behave the same. | ||
| 29 | |||
| 27 | Datagram vs Connected modes | 30 | Datagram vs Connected modes |
| 28 | 31 | ||
| 29 | The IPoIB driver supports two modes of operation: datagram and | 32 | The IPoIB driver supports two modes of operation: datagram and |
| @@ -196,6 +196,17 @@ EV_MSC: · 195 unmodified lines | |||
| 196 | EV_MSC events are used for input and output events that do not fall under other | 196 | EV_MSC events are used for input and output events that do not fall under other |
| 197 | categories. | 197 | categories. |
| 198 | 198 | ||
| 199 | A few EV_MSC codes have special meaning: | ||
| 200 | |||
| 201 | * MSC_TIMESTAMP: | ||
| 202 | - Used to report the number of microseconds since the last reset. This event | ||
| 203 | should be coded as an uint32 value, which is allowed to wrap around with | ||
| 204 | no special consequence. It is assumed that the time difference between two | ||
| 205 | consecutive events is reliable on a reasonable time scale (hours). | ||
| 206 | A reset to zero can happen, in which case the time since the last event is | ||
| 207 | unknown. If the device does not provide this information, the driver must | ||
| 208 | not provide it to user space. | ||
| 209 | |||
| 199 | EV_LED: | 210 | EV_LED: |
| 200 | ---------- | 211 | ---------- |
| 201 | EV_LED events are used for input and output to set and query the state of | 212 | EV_LED events are used for input and output to set and query the state of |
| @@ -178,7 +178,6 @@ Code Seq#(hex) Include File Comments · 177 unmodified lines | |||
| 178 | 'V' C0 linux/ivtv.h conflict! | 178 | 'V' C0 linux/ivtv.h conflict! |
| 179 | 'V' C0 media/davinci/vpfe_capture.h conflict! | 179 | 'V' C0 media/davinci/vpfe_capture.h conflict! |
| 180 | 'V' C0 media/si4713.h conflict! | 180 | 'V' C0 media/si4713.h conflict! |
| 181 | 'V' C0-CF drivers/media/video/mxb.h conflict! | ||
| 182 | 'W' 00-1F linux/watchdog.h conflict! | 181 | 'W' 00-1F linux/watchdog.h conflict! |
| 183 | 'W' 00-1F linux/wanrouter.h conflict! | 182 | 'W' 00-1F linux/wanrouter.h conflict! |
| 184 | 'W' 00-3F sound/asound.h conflict! | 183 | 'W' 00-3F sound/asound.h conflict! |
| @@ -204,8 +203,6 @@ Code Seq#(hex) Include File Comments · 19 unmodified lines | |||
| 204 | 'c' A0-AF arch/x86/include/asm/msr.h conflict! | 203 | 'c' A0-AF arch/x86/include/asm/msr.h conflict! |
| 205 | 'd' 00-FF linux/char/drm/drm/h conflict! | 204 | 'd' 00-FF linux/char/drm/drm/h conflict! |
| 206 | 'd' 02-40 pcmcia/ds.h conflict! | 205 | 'd' 02-40 pcmcia/ds.h conflict! |
| 207 | 'd' 10-3F drivers/media/video/dabusb.h conflict! | ||
| 208 | 'd' C0-CF drivers/media/video/saa7191.h conflict! | ||
| 209 | 'd' F0-FF linux/digi1.h | 206 | 'd' F0-FF linux/digi1.h |
| 210 | 'e' all linux/digi1.h conflict! | 207 | 'e' all linux/digi1.h conflict! |
| 211 | 'e' 00-1F drivers/net/irda/irtty-sir.h conflict! | 208 | 'e' 00-1F drivers/net/irda/irtty-sir.h conflict! |
| @@ -267,9 +264,7 @@ Code Seq#(hex) Include File Comments · 55 unmodified lines | |||
| 267 | 'v' 00-1F linux/ext2_fs.h conflict! | 264 | 'v' 00-1F linux/ext2_fs.h conflict! |
| 268 | 'v' 00-1F linux/fs.h conflict! | 265 | 'v' 00-1F linux/fs.h conflict! |
| 269 | 'v' 00-0F linux/sonypi.h conflict! | 266 | 'v' 00-0F linux/sonypi.h conflict! |
| 270 | 'v' C0-DF media/pwc-ioctl.h conflict! | ||
| 271 | 'v' C0-FF linux/meye.h conflict! | 267 | 'v' C0-FF linux/meye.h conflict! |
| 272 | 'v' D0-DF drivers/media/video/cpia2/cpia2dev.h conflict! | ||
| 273 | 'w' all CERN SCI driver | 268 | 'w' all CERN SCI driver |
| 274 | 'y' 00-1F packet based user level communications | 269 | 'y' 00-1F packet based user level communications |
| 275 | <mailto:zapman@interlan.net> | 270 | <mailto:zapman@interlan.net> |
| @@ -45,7 +45,7 @@ This document describes the Linux kernel Makefiles. · 44 unmodified lines | |||
| 45 | 45 | ||
| 46 | === 7 Kbuild syntax for exported headers | 46 | === 7 Kbuild syntax for exported headers |
| 47 | --- 7.1 header-y | 47 | --- 7.1 header-y |
| 48 | --- 7.2 objhdr-y | 48 | --- 7.2 genhdr-y |
| 49 | --- 7.3 destination-y | 49 | --- 7.3 destination-y |
| 50 | --- 7.4 generic-y | 50 | --- 7.4 generic-y |
| 51 | 51 | ||
| @@ -1282,15 +1282,15 @@ See subsequent chapter for the syntax of the Kbuild file. · 1230 unmodified lines | |||
| 1282 | 1282 | ||
| 1283 | Subdirectories are visited before their parent directories. | 1283 | Subdirectories are visited before their parent directories. |
| 1284 | 1284 | ||
| 1285 | --- 7.2 objhdr-y | 1285 | --- 7.2 genhdr-y |
| 1286 | 1286 | ||
| 1287 | objhdr-y specifies generated files to be exported. | 1287 | genhdr-y specifies generated files to be exported. |
| 1288 | Generated files are special as they need to be looked | 1288 | Generated files are special as they need to be looked |
| 1289 | up in another directory when doing 'make O=...' builds. | 1289 | up in another directory when doing 'make O=...' builds. |
| 1290 | 1290 | ||
| 1291 | Example: | 1291 | Example: |
| 1292 | #include/linux/Kbuild | 1292 | #include/linux/Kbuild |
| 1293 | objhdr-y += version.h | 1293 | genhdr-y += version.h |
| 1294 | 1294 | ||
| 1295 | --- 7.3 destination-y | 1295 | --- 7.3 destination-y |
| 1296 | 1296 | ||
| @@ -1051,6 +1051,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 1050 unmodified lines | |||
| 1051 | ihash_entries= [KNL] | 1051 | ihash_entries= [KNL] |
| 1052 | Set number of hash buckets for inode cache. | 1052 | Set number of hash buckets for inode cache. |
| 1053 | 1053 | ||
| 1054 | ima_appraise= [IMA] appraise integrity measurements | ||
| 1055 | Format: { "off" | "enforce" | "fix" } | ||
| 1056 | default: "enforce" | ||
| 1057 | |||
| 1058 | ima_appraise_tcb [IMA] | ||
| 1059 | The builtin appraise policy appraises all files | ||
| 1060 | owned by uid=0. | ||
| 1061 | |||
| 1054 | ima_audit= [IMA] | 1062 | ima_audit= [IMA] |
| 1055 | Format: { "0" | "1" } | 1063 | Format: { "0" | "1" } |
| 1056 | 0 -- integrity auditing messages. (Default) | 1064 | 0 -- integrity auditing messages. (Default) |
| @@ -1350,6 +1358,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 293 unmodified lines | |||
| 1350 | * nohrst, nosrst, norst: suppress hard, soft | 1358 | * nohrst, nosrst, norst: suppress hard, soft |
| 1351 | and both resets. | 1359 | and both resets. |
| 1352 | 1360 | ||
| 1361 | * rstonce: only attempt one reset during | ||
| 1362 | hot-unplug link recovery | ||
| 1363 | |||
| 1353 | * dump_id: dump IDENTIFY data. | 1364 | * dump_id: dump IDENTIFY data. |
| 1354 | 1365 | ||
| 1355 | If there are multiple matching configurations changing | 1366 | If there are multiple matching configurations changing |
| @@ -1582,6 +1593,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 226 unmodified lines | |||
| 1582 | log everything. Information is printed at KERN_DEBUG | 1593 | log everything. Information is printed at KERN_DEBUG |
| 1583 | so loglevel=8 may also need to be specified. | 1594 | so loglevel=8 may also need to be specified. |
| 1584 | 1595 | ||
| 1596 | module.sig_enforce | ||
| 1597 | [KNL] When CONFIG_MODULE_SIG is set, this means that | ||
| 1598 | modules without (valid) signatures will fail to load. | ||
| 1599 | Note that if CONFIG_MODULE_SIG_ENFORCE is set, that | ||
| 1600 | is always true, so this option does nothing. | ||
| 1601 | |||
| 1585 | mousedev.tap_time= | 1602 | mousedev.tap_time= |
| 1586 | [MOUSE] Maximum time between finger touching and | 1603 | [MOUSE] Maximum time between finger touching and |
| 1587 | leaving touchpad surface for touch to be considered | 1604 | leaving touchpad surface for touch to be considered |
| @@ -1719,6 +1736,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 131 unmodified lines | |||
| 1719 | will be autodetected by the client, and it will fall | 1736 | will be autodetected by the client, and it will fall |
| 1720 | back to using the idmapper. | 1737 | back to using the idmapper. |
| 1721 | To turn off this behaviour, set the value to '0'. | 1738 | To turn off this behaviour, set the value to '0'. |
| 1739 | nfs.nfs4_unique_id= | ||
| 1740 | [NFS4] Specify an additional fixed unique ident- | ||
| 1741 | ification string that NFSv4 clients can insert into | ||
| 1742 | their nfs_client_id4 string. This is typically a | ||
| 1743 | UUID that is generated at system install time. | ||
| 1722 | 1744 | ||
| 1723 | nfs.send_implementation_id = | 1745 | nfs.send_implementation_id = |
| 1724 | [NFSv4.1] Send client implementation identification | 1746 | [NFSv4.1] Send client implementation identification |
| @@ -1812,8 +1834,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. · 87 unmodified lines | |||
| 1812 | noexec=on: enable non-executable mappings (default) | 1834 | noexec=on: enable non-executable mappings (default) |
| 1813 | noexec=off: disable non-executable mappings | 1835 | noexec=off: disable non-executable mappings |
| 1814 | 1836 | ||
| 1837 | nosmap [X86] | ||
| 1838 | Disable SMAP (Supervisor Mode Access Prevention) | ||
| 1839 | even if it is supported by processor. | ||
| 1840 | |||
| 1815 | nosmep [X86] | 1841 | nosmep [X86] |
| 1816 | Disable SMEP (Supervisor Mode Execution Protection) | 1842 | Disable SMEP (Supervisor Mode Execution Prevention) |
| 1817 | even if it is supported by processor. | 1843 | even if it is supported by processor. |
| 1818 | 1844 | ||
| 1819 | noexec32 [X86-64] | 1845 | noexec32 [X86-64] |
| @@ -10,8 +10,22 @@ Contact: Samu Onkalo (samu.p.onkalo-at-nokia.com) · 9 unmodified lines | |||
| 10 | Description | 10 | Description |
| 11 | ----------- | 11 | ----------- |
| 12 | LP5523 can drive up to 9 channels. Leds can be controlled directly via | 12 | LP5523 can drive up to 9 channels. Leds can be controlled directly via |
| 13 | the led class control interface. Channels have generic names: | 13 | the led class control interface. |
| 14 | lp5523:channelx where x is 0...8 | 14 | The name of each channel is configurable in the platform data - name and label. |
| 15 | There are three options to make the channel name. | ||
| 16 | |||
| 17 | a) Define the 'name' in the platform data | ||
| 18 | To make specific channel name, then use 'name' platform data. | ||
| 19 | /sys/class/leds/R1 (name: 'R1') | ||
| 20 | /sys/class/leds/B1 (name: 'B1') | ||
| 21 | |||
| 22 | b) Use the 'label' with no 'name' field | ||
| 23 | For one device name with channel number, then use 'label'. | ||
| 24 | /sys/class/leds/RGB:channelN (label: 'RGB', N: 0 ~ 8) | ||
| 25 | |||
| 26 | c) Default | ||
| 27 | If both fields are NULL, 'lp5523' is used by default. | ||
| 28 | /sys/class/leds/lp5523:channelN (N: 0 ~ 8) | ||
| 15 | 29 | ||
| 16 | The chip provides 3 engines. Each engine can control channels without | 30 | The chip provides 3 engines. Each engine can control channels without |
| 17 | interaction from the main CPU. Details of the micro engine code can be found | 31 | interaction from the main CPU. Details of the micro engine code can be found |
| @@ -46,12 +60,13 @@ Note - chan_nr can have values between 0 and 8. · 28 unmodified lines | |||
| 46 | 60 | ||
| 47 | static struct lp5523_led_config lp5523_led_config[] = { | 61 | static struct lp5523_led_config lp5523_led_config[] = { |
| 48 | { | 62 | { |
| 63 | .name = "D1", | ||
| 49 | .chan_nr = 0, | 64 | .chan_nr = 0, |
| 50 | .led_current = 50, | 65 | .led_current = 50, |
| 51 | .max_current = 130, | 66 | .max_current = 130, |
| 52 | }, | 67 | }, |
| 53 | ... | 68 | ... |
| 54 | }, { | 69 | { |
| 55 | .chan_nr = 8, | 70 | .chan_nr = 8, |
| 56 | .led_current = 50, | 71 | .led_current = 50, |
| 57 | .max_current = 130, | 72 | .max_current = 130, |
| @@ -1,33 +0,0 @@ | |||
| 1 | There are several classic problems related to memory on Linux | ||
| 2 | systems. | ||
| 3 | |||
| 4 | 1) There are some motherboards that will not cache above | ||
| 5 | a certain quantity of memory. If you have one of these | ||
| 6 | motherboards, your system will be SLOWER, not faster | ||
| 7 | as you add more memory. Consider exchanging your | ||
| 8 | motherboard. | ||
| 9 | |||
| 10 | All of these problems can be addressed with the "mem=XXXM" boot option | ||
| 11 | (where XXX is the size of RAM to use in megabytes). | ||
| 12 | It can also tell Linux to use less memory than is actually installed. | ||
| 13 | If you use "mem=" on a machine with PCI, consider using "memmap=" to avoid | ||
| 14 | physical address space collisions. | ||
| 15 | |||
| 16 | See the documentation of your boot loader (LILO, grub, loadlin, etc.) about | ||
| 17 | how to pass options to the kernel. | ||
| 18 | |||
| 19 | There are other memory problems which Linux cannot deal with. Random | ||
| 20 | corruption of memory is usually a sign of serious hardware trouble. | ||
| 21 | Try: | ||
| 22 | |||
| 23 | * Reducing memory settings in the BIOS to the most conservative | ||
| 24 | timings. | ||
| 25 | |||
| 26 | * Adding a cooling fan. | ||
| 27 | |||
| 28 | * Not overclocking your CPU. | ||
| 29 | |||
| 30 | * Having the memory tested in a memory tester or exchanged | ||
| 31 | with the vendor. Consider testing it with memtest86 yourself. | ||
| 32 | |||
| 33 | * Exchanging your CPU, cache, or motherboard for one that works. | ||
| @@ -75,9 +75,10 @@ folder: · 74 unmodified lines | |||
| 75 | 75 | ||
| 76 | There is a special folder for debugging information: | 76 | There is a special folder for debugging information: |
| 77 | 77 | ||
| 78 | # ls /sys/kernel/debug/batman_adv/bat0/ | 78 | # ls /sys/kernel/debug/batman_adv/bat0/ |
| 79 | # bla_claim_table log socket transtable_local | 79 | # bla_backbone_table log transtable_global |
| 80 | # gateways originators transtable_global vis_data | 80 | # bla_claim_table originators transtable_local |
| 81 | # gateways socket vis_data | ||
| 81 | 82 | ||
| 82 | Some of the files contain all sort of status information regard- | 83 | Some of the files contain all sort of status information regard- |
| 83 | ing the mesh network. For example, you can view the table of | 84 | ing the mesh network. For example, you can view the table of |
| @@ -752,12 +752,22 @@ xmit_hash_policy · 751 unmodified lines | |||
| 752 | protocol information to generate the hash. | 752 | protocol information to generate the hash. |
| 753 | 753 | ||
| 754 | Uses XOR of hardware MAC addresses and IP addresses to | 754 | Uses XOR of hardware MAC addresses and IP addresses to |
| 755 | generate the hash. The formula is | 755 | generate the hash. The IPv4 formula is |
| 756 | 756 | ||
| 757 | (((source IP XOR dest IP) AND 0xffff) XOR | 757 | (((source IP XOR dest IP) AND 0xffff) XOR |
| 758 | ( source MAC XOR destination MAC )) | 758 | ( source MAC XOR destination MAC )) |
| 759 | modulo slave count | 759 | modulo slave count |
| 760 | 760 | ||
| 761 | The IPv6 formula is | ||
| 762 | |||
| 763 | hash = (source ip quad 2 XOR dest IP quad 2) XOR | ||
| 764 | (source ip quad 3 XOR dest IP quad 3) XOR | ||
| 765 | (source ip quad 4 XOR dest IP quad 4) | ||
| 766 | |||
| 767 | (((hash >> 24) XOR (hash >> 16) XOR (hash >> 8) XOR hash) | ||
| 768 | XOR (source MAC XOR destination MAC)) | ||
| 769 | modulo slave count | ||
| 770 | |||
| 761 | This algorithm will place all traffic to a particular | 771 | This algorithm will place all traffic to a particular |
| 762 | network peer on the same slave. For non-IP traffic, | 772 | network peer on the same slave. For non-IP traffic, |
| 763 | the formula is the same as for the layer2 transmit | 773 | the formula is the same as for the layer2 transmit |
| @@ -778,19 +788,29 @@ xmit_hash_policy · 14 unmodified lines | |||
| 778 | slaves, although a single connection will not span | 788 | slaves, although a single connection will not span |
| 779 | multiple slaves. | 789 | multiple slaves. |
| 780 | 790 | ||
| 781 | The formula for unfragmented TCP and UDP packets is | 791 | The formula for unfragmented IPv4 TCP and UDP packets is |
| 782 | 792 | ||
| 783 | ((source port XOR dest port) XOR | 793 | ((source port XOR dest port) XOR |
| 784 | ((source IP XOR dest IP) AND 0xffff) | 794 | ((source IP XOR dest IP) AND 0xffff) |
| 785 | modulo slave count | 795 | modulo slave count |
| 786 | 796 | ||
| 787 | For fragmented TCP or UDP packets and all other IP | 797 | The formula for unfragmented IPv6 TCP and UDP packets is |
| 788 | protocol traffic, the source and destination port | 798 | |
| 799 | hash = (source port XOR dest port) XOR | ||
| 800 | ((source ip quad 2 XOR dest IP quad 2) XOR | ||
| 801 | (source ip quad 3 XOR dest IP quad 3) XOR | ||
| 802 | (source ip quad 4 XOR dest IP quad 4)) | ||
| 803 | |||
| 804 | ((hash >> 24) XOR (hash >> 16) XOR (hash >> 8) XOR hash) | ||
| 805 | modulo slave count | ||
| 806 | |||
| 807 | For fragmented TCP or UDP packets and all other IPv4 and | ||
| 808 | IPv6 protocol traffic, the source and destination port | ||
| 789 | information is omitted. For non-IP traffic, the | 809 | information is omitted. For non-IP traffic, the |
| 790 | formula is the same as for the layer2 transmit hash | 810 | formula is the same as for the layer2 transmit hash |
| 791 | policy. | 811 | policy. |
| 792 | 812 | ||
| 793 | This policy is intended to mimic the behavior of | 813 | The IPv4 policy is intended to mimic the behavior of |
| 794 | certain switches, notably Cisco switches with PFC2 as | 814 | certain switches, notably Cisco switches with PFC2 as |
| 795 | well as some Foundry and IBM products. | 815 | well as some Foundry and IBM products. |
| 796 | 816 | ||
| @@ -439,7 +439,9 @@ tcp_stdurg - BOOLEAN · 438 unmodified lines | |||
| 439 | tcp_synack_retries - INTEGER | 439 | tcp_synack_retries - INTEGER |
| 440 | Number of times SYNACKs for a passive TCP connection attempt will | 440 | Number of times SYNACKs for a passive TCP connection attempt will |
| 441 | be retransmitted. Should not be higher than 255. Default value | 441 | be retransmitted. Should not be higher than 255. Default value |
| 442 | is 5, which corresponds to ~180seconds. | 442 | is 5, which corresponds to 31seconds till the last retransmission |
| 443 | with the current initial RTO of 1second. With this the final timeout | ||
| 444 | for a passive TCP connection will happen after 63seconds. | ||
| 443 | 445 | ||
| 444 | tcp_syncookies - BOOLEAN | 446 | tcp_syncookies - BOOLEAN |
| 445 | Only valid when the kernel was compiled with CONFIG_SYNCOOKIES | 447 | Only valid when the kernel was compiled with CONFIG_SYNCOOKIES |
| @@ -465,20 +467,37 @@ tcp_syncookies - BOOLEAN · 19 unmodified lines | |||
| 465 | tcp_fastopen - INTEGER | 467 | tcp_fastopen - INTEGER |
| 466 | Enable TCP Fast Open feature (draft-ietf-tcpm-fastopen) to send data | 468 | Enable TCP Fast Open feature (draft-ietf-tcpm-fastopen) to send data |
| 467 | in the opening SYN packet. To use this feature, the client application | 469 | in the opening SYN packet. To use this feature, the client application |
| 468 | must not use connect(). Instead, it should use sendmsg() or sendto() | 470 | must use sendmsg() or sendto() with MSG_FASTOPEN flag rather than |
| 469 | with MSG_FASTOPEN flag which performs a TCP handshake automatically. | 471 | connect() to perform a TCP handshake automatically. |
| 470 | 472 | ||
| 471 | The values (bitmap) are: | 473 | The values (bitmap) are |
| 472 | 1: Enables sending data in the opening SYN on the client | 474 | 1: Enables sending data in the opening SYN on the client. |
| 473 | 5: Enables sending data in the opening SYN on the client regardless | 475 | 2: Enables TCP Fast Open on the server side, i.e., allowing data in |
| 474 | of cookie availability. | 476 | a SYN packet to be accepted and passed to the application before |
| 477 | 3-way hand shake finishes. | ||
| 478 | 4: Send data in the opening SYN regardless of cookie availability and | ||
| 479 | without a cookie option. | ||
| 480 | 0x100: Accept SYN data w/o validating the cookie. | ||
| 481 | 0x200: Accept data-in-SYN w/o any cookie option present. | ||
| 482 | 0x400/0x800: Enable Fast Open on all listeners regardless of the | ||
| 483 | TCP_FASTOPEN socket option. The two different flags designate two | ||
| 484 | different ways of setting max_qlen without the TCP_FASTOPEN socket | ||
| 485 | option. | ||
| 475 | 486 | ||
| 476 | Default: 0 | 487 | Default: 0 |
| 477 | 488 | ||
| 489 | Note that the client & server side Fast Open flags (1 and 2 | ||
| 490 | respectively) must be also enabled before the rest of flags can take | ||
| 491 | effect. | ||
| 492 | |||
| 493 | See include/net/tcp.h and the code for more details. | ||
| 494 | |||
| 478 | tcp_syn_retries - INTEGER | 495 | tcp_syn_retries - INTEGER |
| 479 | Number of times initial SYNs for an active TCP connection attempt | 496 | Number of times initial SYNs for an active TCP connection attempt |
| 480 | will be retransmitted. Should not be higher than 255. Default value | 497 | will be retransmitted. Should not be higher than 255. Default value |
| 481 | is 5, which corresponds to ~180seconds. | 498 | is 6, which corresponds to 63seconds till the last restransmission |
| 499 | with the current initial RTO of 1second. With this the final timeout | ||
| 500 | for an active TCP connection attempt will happen after 127seconds. | ||
| 482 | 501 | ||
| 483 | tcp_timestamps - BOOLEAN | 502 | tcp_timestamps - BOOLEAN |
| 484 | Enable timestamps as defined in RFC1323. | 503 | Enable timestamps as defined in RFC1323. |
| @@ -173,7 +173,6 @@ Where: · 172 unmodified lines | |||
| 173 | For MDIO bus The we have: | 173 | For MDIO bus The we have: |
| 174 | 174 | ||
| 175 | struct stmmac_mdio_bus_data { | 175 | struct stmmac_mdio_bus_data { |
| 176 | int bus_id; | ||
| 177 | int (*phy_reset)(void *priv); | 176 | int (*phy_reset)(void *priv); |
| 178 | unsigned int phy_mask; | 177 | unsigned int phy_mask; |
| 179 | int *irqs; | 178 | int *irqs; |
| @@ -181,7 +180,6 @@ For MDIO bus The we have: · 1 unmodified line | |||
| 181 | }; | 180 | }; |
| 182 | 181 | ||
| 183 | Where: | 182 | Where: |
| 184 | o bus_id: bus identifier; | ||
| 185 | o phy_reset: hook to reset the phy device attached to the bus. | 183 | o phy_reset: hook to reset the phy device attached to the bus. |
| 186 | o phy_mask: phy mask passed when register the MDIO bus within the driver. | 184 | o phy_mask: phy mask passed when register the MDIO bus within the driver. |
| 187 | o irqs: list of IRQs, one per PHY. | 185 | o irqs: list of IRQs, one per PHY. |
| @@ -230,9 +228,6 @@ there are two MAC cores: one MAC is for MDIO Bus/PHY emulation · 42 unmodified lines | |||
| 230 | with fixed_link support. | 228 | with fixed_link support. |
| 231 | 229 | ||
| 232 | static struct stmmac_mdio_bus_data stmmac1_mdio_bus = { | 230 | static struct stmmac_mdio_bus_data stmmac1_mdio_bus = { |
| 233 | .bus_id = 1, | ||
| 234 | | | ||
| 235 | |-> phy device on the bus_id 1 | ||
| 236 | .phy_reset = phy_reset; | 231 | .phy_reset = phy_reset; |
| 237 | | | 232 | | |
| 238 | |-> function to provide the phy_reset on this board | 233 | |-> function to provide the phy_reset on this board |
| @@ -0,0 +1,47 @@ | |||
| 1 | Virtual eXtensible Local Area Networking documentation | ||
| 2 | ====================================================== | ||
| 3 | |||
| 4 | The VXLAN protocol is a tunnelling protocol that is designed to | ||
| 5 | solve the problem of limited number of available VLAN's (4096). | ||
| 6 | With VXLAN identifier is expanded to 24 bits. | ||
| 7 | |||
| 8 | It is a draft RFC standard, that is implemented by Cisco Nexus, | ||
| 9 | Vmware and Brocade. The protocol runs over UDP using a single | ||
| 10 | destination port (still not standardized by IANA). | ||
| 11 | This document describes the Linux kernel tunnel device, | ||
| 12 | there is also an implantation of VXLAN for Openvswitch. | ||
| 13 | |||
| 14 | Unlike most tunnels, a VXLAN is a 1 to N network, not just point | ||
| 15 | to point. A VXLAN device can either dynamically learn the IP address | ||
| 16 | of the other end, in a manner similar to a learning bridge, or the | ||
| 17 | forwarding entries can be configured statically. | ||
| 18 | |||
| 19 | The management of vxlan is done in a similar fashion to it's | ||
| 20 | too closest neighbors GRE and VLAN. Configuring VXLAN requires | ||
| 21 | the version of iproute2 that matches the kernel release | ||
| 22 | where VXLAN was first merged upstream. | ||
| 23 | |||
| 24 | 1. Create vxlan device | ||
| 25 | # ip li add vxlan0 type vxlan id 42 group 239.1.1.1 dev eth1 | ||
| 26 | |||
| 27 | This creates a new device (vxlan0). The device uses the | ||
| 28 | the multicast group 239.1.1.1 over eth1 to handle packets where | ||
| 29 | no entry is in the forwarding table. | ||
| 30 | |||
| 31 | 2. Delete vxlan device | ||
| 32 | # ip link delete vxlan0 | ||
| 33 | |||
| 34 | 3. Show vxlan info | ||
| 35 | # ip -d show vxlan0 | ||
| 36 | |||
| 37 | It is possible to create, destroy and display the vxlan | ||
| 38 | forwarding table using the new bridge command. | ||
| 39 | |||
| 40 | 1. Create forwarding table entry | ||
| 41 | # bridge fdb add to 00:17:42:8a:b4:05 dst 192.19.0.2 dev vxlan0 | ||
| 42 | |||
| 43 | 2. Delete forwarding table entry | ||
| 44 | # bridge fdb delete 00:17:42:8a:b4:05 | ||
| 45 | |||
| 46 | 3. Show forwarding table | ||
| 47 | # bridge fdb show dev vxlan0 | ||
| @@ -0,0 +1,27 @@ | |||
| 1 | Percpu rw semaphores | ||
| 2 | -------------------- | ||
| 3 | |||
| 4 | Percpu rw semaphores is a new read-write semaphore design that is | ||
| 5 | optimized for locking for reading. | ||
| 6 | |||
| 7 | The problem with traditional read-write semaphores is that when multiple | ||
| 8 | cores take the lock for reading, the cache line containing the semaphore | ||
| 9 | is bouncing between L1 caches of the cores, causing performance | ||
| 10 | degradation. | ||
| 11 | |||
| 12 | Locking for reading is very fast, it uses RCU and it avoids any atomic | ||
| 13 | instruction in the lock and unlock path. On the other hand, locking for | ||
| 14 | writing is very expensive, it calls synchronize_rcu() that can take | ||
| 15 | hundreds of milliseconds. | ||
| 16 | |||
| 17 | The lock is declared with "struct percpu_rw_semaphore" type. | ||
| 18 | The lock is initialized percpu_init_rwsem, it returns 0 on success and | ||
| 19 | -ENOMEM on allocation failure. | ||
| 20 | The lock must be freed with percpu_free_rwsem to avoid memory leak. | ||
| 21 | |||
| 22 | The lock is locked for read with percpu_down_read, percpu_up_read and | ||
| 23 | for write with percpu_down_write, percpu_up_write. | ||
| 24 | |||
| 25 | The idea of using RCU for optimized rw-lock was introduced by | ||
| 26 | Eric Dumazet <eric.dumazet@gmail.com>. | ||
| 27 | The code was written by Mikulas Patocka <mpatocka@redhat.com> | ||
| @@ -289,6 +289,11 @@ Interaction with the GPIO subsystem · 288 unmodified lines | |||
| 289 | The GPIO drivers may want to perform operations of various types on the same | 289 | The GPIO drivers may want to perform operations of various types on the same |
| 290 | physical pins that are also registered as pin controller pins. | 290 | physical pins that are also registered as pin controller pins. |
| 291 | 291 | ||
| 292 | First and foremost, the two subsystems can be used as completely orthogonal, | ||
| 293 | see the section named "pin control requests from drivers" and | ||
| 294 | "drivers needing both pin control and GPIOs" below for details. But in some | ||
| 295 | situations a cross-subsystem mapping between pins and GPIOs is needed. | ||
| 296 | |||
| 292 | Since the pin controller subsystem have its pinspace local to the pin | 297 | Since the pin controller subsystem have its pinspace local to the pin |
| 293 | controller we need a mapping so that the pin control subsystem can figure out | 298 | controller we need a mapping so that the pin control subsystem can figure out |
| 294 | which pin controller handles control of a certain GPIO pin. Since a single | 299 | which pin controller handles control of a certain GPIO pin. Since a single |
| @@ -359,6 +364,7 @@ will get an pin number into its handled number range. Further it is also passed · 64 unmodified lines | |||
| 359 | the range ID value, so that the pin controller knows which range it should | 364 | the range ID value, so that the pin controller knows which range it should |
| 360 | deal with. | 365 | deal with. |
| 361 | 366 | ||
| 367 | |||
| 362 | PINMUX interfaces | 368 | PINMUX interfaces |
| 363 | ================= | 369 | ================= |
| 364 | 370 | ||
| @@ -960,8 +966,8 @@ all get selected, and they all get enabled and disable simultaneously by the · 595 unmodified lines | |||
| 960 | pinmux core. | 966 | pinmux core. |
| 961 | 967 | ||
| 962 | 968 | ||
| 963 | Pinmux requests from drivers | 969 | Pin control requests from drivers |
| 964 | ============================ | 970 | ================================= |
| 965 | 971 | ||
| 966 | Generally it is discouraged to let individual drivers get and enable pin | 972 | Generally it is discouraged to let individual drivers get and enable pin |
| 967 | control. So if possible, handle the pin control in platform code or some other | 973 | control. So if possible, handle the pin control in platform code or some other |
| @@ -969,6 +975,11 @@ place where you have access to all the affected struct device * pointers. In · 1 unmodified line | |||
| 969 | some cases where a driver needs to e.g. switch between different mux mappings | 975 | some cases where a driver needs to e.g. switch between different mux mappings |
| 970 | at runtime this is not possible. | 976 | at runtime this is not possible. |
| 971 | 977 | ||
| 978 | A typical case is if a driver needs to switch bias of pins from normal | ||
| 979 | operation and going to sleep, moving from the PINCTRL_STATE_DEFAULT to | ||
| 980 | PINCTRL_STATE_SLEEP at runtime, re-biasing or even re-muxing pins to save | ||
| 981 | current in sleep mode. | ||
| 982 | |||
| 972 | A driver may request a certain control state to be activated, usually just the | 983 | A driver may request a certain control state to be activated, usually just the |
| 973 | default state like this: | 984 | default state like this: |
| 974 | 985 | ||
| @@ -1058,6 +1069,51 @@ registered. Thus make sure that the error path in your driver gracefully · 83 unmodified lines | |||
| 1058 | cleans up and is ready to retry the probing later in the startup process. | 1069 | cleans up and is ready to retry the probing later in the startup process. |
| 1059 | 1070 | ||
| 1060 | 1071 | ||
| 1072 | Drivers needing both pin control and GPIOs | ||
| 1073 | ========================================== | ||
| 1074 | |||
| 1075 | Again, it is discouraged to let drivers lookup and select pin control states | ||
| 1076 | themselves, but again sometimes this is unavoidable. | ||
| 1077 | |||
| 1078 | So say that your driver is fetching its resources like this: | ||
| 1079 | |||
| 1080 | #include <linux/pinctrl/consumer.h> | ||
| 1081 | #include <linux/gpio.h> | ||
| 1082 | |||
| 1083 | struct pinctrl *pinctrl; | ||
| 1084 | int gpio; | ||
| 1085 | |||
| 1086 | pinctrl = devm_pinctrl_get_select_default(&dev); | ||
| 1087 | gpio = devm_gpio_request(&dev, 14, "foo"); | ||
| 1088 | |||
| 1089 | Here we first request a certain pin state and then request GPIO 14 to be | ||
| 1090 | used. If you're using the subsystems orthogonally like this, you should | ||
| 1091 | nominally always get your pinctrl handle and select the desired pinctrl | ||
| 1092 | state BEFORE requesting the GPIO. This is a semantic convention to avoid | ||
| 1093 | situations that can be electrically unpleasant, you will certainly want to | ||
| 1094 | mux in and bias pins in a certain way before the GPIO subsystems starts to | ||
| 1095 | deal with them. | ||
| 1096 | |||
| 1097 | The above can be hidden: using pinctrl hogs, the pin control driver may be | ||
| 1098 | setting up the config and muxing for the pins when it is probing, | ||
| 1099 | nevertheless orthogonal to the GPIO subsystem. | ||
| 1100 | |||
| 1101 | But there are also situations where it makes sense for the GPIO subsystem | ||
| 1102 | to communicate directly with with the pinctrl subsystem, using the latter | ||
| 1103 | as a back-end. This is when the GPIO driver may call out to the functions | ||
| 1104 | described in the section "Pin control interaction with the GPIO subsystem" | ||
| 1105 | above. This only involves per-pin multiplexing, and will be completely | ||
| 1106 | hidden behind the gpio_*() function namespace. In this case, the driver | ||
| 1107 | need not interact with the pin control subsystem at all. | ||
| 1108 | |||
| 1109 | If a pin control driver and a GPIO driver is dealing with the same pins | ||
| 1110 | and the use cases involve multiplexing, you MUST implement the pin controller | ||
| 1111 | as a back-end for the GPIO driver like this, unless your hardware design | ||
| 1112 | is such that the GPIO controller can override the pin controller's | ||
| 1113 | multiplexing state through hardware without the need to interact with the | ||
| 1114 | pin control system. | ||
| 1115 | |||
| 1116 | |||
| 1061 | System pin control hogging | 1117 | System pin control hogging |
| 1062 | ========================== | 1118 | ========================== |
| 1063 | 1119 | ||
| @@ -81,6 +81,9 @@ This defines trickle and fast charges. For batteries that · 80 unmodified lines | |||
| 81 | are already charged or discharging, 'n/a' can be displayed (or | 81 | are already charged or discharging, 'n/a' can be displayed (or |
| 82 | 'unknown', if the status is not known). | 82 | 'unknown', if the status is not known). |
| 83 | 83 | ||
| 84 | AUTHENTIC - indicates the power supply (battery or charger) connected | ||
| 85 | to the platform is authentic(1) or non authentic(0). | ||
| 86 | |||
| 84 | HEALTH - represents health of the battery, values corresponds to | 87 | HEALTH - represents health of the battery, values corresponds to |
| 85 | POWER_SUPPLY_HEALTH_*, defined in battery.h. | 88 | POWER_SUPPLY_HEALTH_*, defined in battery.h. |
| 86 | 89 | ||
| @@ -113,8 +116,12 @@ be negative; there is no empty or full value. It is only useful for · 26 unmodified lines | |||
| 113 | relative, time-based measurements. | 116 | relative, time-based measurements. |
| 114 | 117 | ||
| 115 | CONSTANT_CHARGE_CURRENT - constant charge current programmed by charger. | 118 | CONSTANT_CHARGE_CURRENT - constant charge current programmed by charger. |
| 119 | CONSTANT_CHARGE_CURRENT_MAX - maximum charge current supported by the | ||
| 120 | power supply object. | ||
| 116 | 121 | ||
| 117 | CONSTANT_CHARGE_VOLTAGE - constant charge voltage programmed by charger. | 122 | CONSTANT_CHARGE_VOLTAGE - constant charge voltage programmed by charger. |
| 123 | CONSTANT_CHARGE_VOLTAGE_MAX - maximum charge voltage supported by the | ||
| 124 | power supply object. | ||
| 118 | 125 | ||
| 119 | ENERGY_FULL, ENERGY_EMPTY - same as above but for energy. | 126 | ENERGY_FULL, ENERGY_EMPTY - same as above but for energy. |
| 120 | 127 | ||
| @@ -69,6 +69,7 @@ MAC/FDDI addresses: · 68 unmodified lines | |||
| 69 | %pMR 05:04:03:02:01:00 | 69 | %pMR 05:04:03:02:01:00 |
| 70 | %pMF 00-01-02-03-04-05 | 70 | %pMF 00-01-02-03-04-05 |
| 71 | %pm 000102030405 | 71 | %pm 000102030405 |
| 72 | %pmR 050403020100 | ||
| 72 | 73 | ||
| 73 | For printing 6-byte MAC/FDDI addresses in hex notation. The 'M' and 'm' | 74 | For printing 6-byte MAC/FDDI addresses in hex notation. The 'M' and 'm' |
| 74 | specifiers result in a printed address with ('M') or without ('m') byte | 75 | specifiers result in a printed address with ('M') or without ('m') byte |
| @@ -1,107 +0,0 @@ | |||
| 1 | The prio_tree.c code indexes vmas using 3 different indexes: | ||
| 2 | * heap_index = vm_pgoff + vm_size_in_pages : end_vm_pgoff | ||
| 3 | * radix_index = vm_pgoff : start_vm_pgoff | ||
| 4 | * size_index = vm_size_in_pages | ||
| 5 | |||
| 6 | A regular radix-priority-search-tree indexes vmas using only heap_index and | ||
| 7 | radix_index. The conditions for indexing are: | ||
| 8 | * ->heap_index >= ->left->heap_index && | ||
| 9 | ->heap_index >= ->right->heap_index | ||
| 10 | * if (->heap_index == ->left->heap_index) | ||
| 11 | then ->radix_index < ->left->radix_index; | ||
| 12 | * if (->heap_index == ->right->heap_index) | ||
| 13 | then ->radix_index < ->right->radix_index; | ||
| 14 | * nodes are hashed to left or right subtree using radix_index | ||
| 15 | similar to a pure binary radix tree. | ||
| 16 | |||
| 17 | A regular radix-priority-search-tree helps to store and query | ||
| 18 | intervals (vmas). However, a regular radix-priority-search-tree is only | ||
| 19 | suitable for storing vmas with different radix indices (vm_pgoff). | ||
| 20 | |||
| 21 | Therefore, the prio_tree.c extends the regular radix-priority-search-tree | ||
| 22 | to handle many vmas with the same vm_pgoff. Such vmas are handled in | ||
| 23 | 2 different ways: 1) All vmas with the same radix _and_ heap indices are | ||
| 24 | linked using vm_set.list, 2) if there are many vmas with the same radix | ||
| 25 | index, but different heap indices and if the regular radix-priority-search | ||
| 26 | tree cannot index them all, we build an overflow-sub-tree that indexes such | ||
| 27 | vmas using heap and size indices instead of heap and radix indices. For | ||
| 28 | example, in the figure below some vmas with vm_pgoff = 0 (zero) are | ||
| 29 | indexed by regular radix-priority-search-tree whereas others are pushed | ||
| 30 | into an overflow-subtree. Note that all vmas in an overflow-sub-tree have | ||
| 31 | the same vm_pgoff (radix_index) and if necessary we build different | ||
| 32 | overflow-sub-trees to handle each possible radix_index. For example, | ||
| 33 | in figure we have 3 overflow-sub-trees corresponding to radix indices | ||
| 34 | 0, 2, and 4. | ||
| 35 | |||
| 36 | In the final tree the first few (prio_tree_root->index_bits) levels | ||
| 37 | are indexed using heap and radix indices whereas the overflow-sub-trees below | ||
| 38 | those levels (i.e. levels prio_tree_root->index_bits + 1 and higher) are | ||
| 39 | indexed using heap and size indices. In overflow-sub-trees the size_index | ||
| 40 | is used for hashing the nodes to appropriate places. | ||
| 41 | |||
| 42 | Now, an example prio_tree: | ||
| 43 | |||
| 44 | vmas are represented [radix_index, size_index, heap_index] | ||
| 45 | i.e., [start_vm_pgoff, vm_size_in_pages, end_vm_pgoff] | ||
| 46 | |||
| 47 | level prio_tree_root->index_bits = 3 | ||
| 48 | ----- | ||
| 49 | _ | ||
| 50 | 0 [0,7,7] | | ||
| 51 | / \ | | ||
| 52 | ------------------ ------------ | Regular | ||
| 53 | / \ | radix priority | ||
| 54 | 1 [1,6,7] [4,3,7] | search tree | ||
| 55 | / \ / \ | | ||
| 56 | ------- ----- ------ ----- | heap-and-radix | ||
| 57 | / \ / \ | indexed | ||
| 58 | 2 [0,6,6] [2,5,7] [5,2,7] [6,1,7] | | ||
| 59 | / \ / \ / \ / \ | | ||
| 60 | 3 [0,5,5] [1,5,6] [2,4,6] [3,4,7] [4,2,6] [5,1,6] [6,0,6] [7,0,7] | | ||
| 61 | / / / _ | ||
| 62 | / / / _ | ||
| 63 | 4 [0,4,4] [2,3,5] [4,1,5] | | ||
| 64 | / / / | | ||
| 65 | 5 [0,3,3] [2,2,4] [4,0,4] | Overflow-sub-trees | ||
| 66 | / / | | ||
| 67 | 6 [0,2,2] [2,1,3] | heap-and-size | ||
| 68 | / / | indexed | ||
| 69 | 7 [0,1,1] [2,0,2] | | ||
| 70 | / | | ||
| 71 | 8 [0,0,0] | | ||
| 72 | _ | ||
| 73 | |||
| 74 | Note that we use prio_tree_root->index_bits to optimize the height | ||
| 75 | of the heap-and-radix indexed tree. Since prio_tree_root->index_bits is | ||
| 76 | set according to the maximum end_vm_pgoff mapped, we are sure that all | ||
| 77 | bits (in vm_pgoff) above prio_tree_root->index_bits are 0 (zero). Therefore, | ||
| 78 | we only use the first prio_tree_root->index_bits as radix_index. | ||
| 79 | Whenever index_bits is increased in prio_tree_expand, we shuffle the tree | ||
| 80 | to make sure that the first prio_tree_root->index_bits levels of the tree | ||
| 81 | is indexed properly using heap and radix indices. | ||
| 82 | |||
| 83 | We do not optimize the height of overflow-sub-trees using index_bits. | ||
| 84 | The reason is: there can be many such overflow-sub-trees and all of | ||
| 85 | them have to be suffled whenever the index_bits increases. This may involve | ||
| 86 | walking the whole prio_tree in prio_tree_insert->prio_tree_expand code | ||
| 87 | path which is not desirable. Hence, we do not optimize the height of the | ||
| 88 | heap-and-size indexed overflow-sub-trees using prio_tree->index_bits. | ||
| 89 | Instead the overflow sub-trees are indexed using full BITS_PER_LONG bits | ||
| 90 | of size_index. This may lead to skewed sub-trees because most of the | ||
| 91 | higher significant bits of the size_index are likely to be 0 (zero). In | ||
| 92 | the example above, all 3 overflow-sub-trees are skewed. This may marginally | ||
| 93 | affect the performance. However, processes rarely map many vmas with the | ||
| 94 | same start_vm_pgoff but different end_vm_pgoffs. Therefore, we normally | ||
| 95 | do not require overflow-sub-trees to index all vmas. | ||
| 96 | |||
| 97 | From the above discussion it is clear that the maximum height of | ||
| 98 | a prio_tree can be prio_tree_root->index_bits + BITS_PER_LONG. | ||
| 99 | However, in most of the common cases we do not need overflow-sub-trees, | ||
| 100 | so the tree height in the common cases will be prio_tree_root->index_bits. | ||
| 101 | |||
| 102 | It is fair to mention here that the prio_tree_root->index_bits | ||
| 103 | is increased on demand, however, the index_bits is not decreased when | ||
| 104 | vmas are removed from the prio_tree. That's tricky to do. Hence, it's | ||
| 105 | left as a home work problem. | ||
| 106 | |||
| 107 | |||
| @@ -36,7 +36,8 @@ Legacy users can request a PWM device using pwm_request() and free it · 35 unmodified lines | |||
| 36 | after usage with pwm_free(). | 36 | after usage with pwm_free(). |
| 37 | 37 | ||
| 38 | New users should use the pwm_get() function and pass to it the consumer | 38 | New users should use the pwm_get() function and pass to it the consumer |
| 39 | device or a consumer name. pwm_put() is used to free the PWM device. | 39 | device or a consumer name. pwm_put() is used to free the PWM device. Managed |
| 40 | variants of these functions, devm_pwm_get() and devm_pwm_put(), also exist. | ||
| 40 | 41 | ||
| 41 | After being requested a PWM has to be configured using: | 42 | After being requested a PWM has to be configured using: |
| 42 | 43 | ||
| @@ -102,9 +102,7 @@ related hangs. The functions call chain log is stored in a "ftrace-ramoops" · 101 unmodified lines | |||
| 102 | file. Here is an example of usage: | 102 | file. Here is an example of usage: |
| 103 | 103 | ||
| 104 | # mount -t debugfs debugfs /sys/kernel/debug/ | 104 | # mount -t debugfs debugfs /sys/kernel/debug/ |
| 105 | # cd /sys/kernel/debug/tracing | 105 | # echo 1 > /sys/kernel/debug/pstore/record_ftrace |
| 106 | # echo function > current_tracer | ||
| 107 | # echo 1 > options/func_pstore | ||
| 108 | # reboot -f | 106 | # reboot -f |
| 109 | [...] | 107 | [...] |
| 110 | # mount -t pstore pstore /mnt/ | 108 | # mount -t pstore pstore /mnt/ |
| @@ -193,24 +193,55 @@ Example: · 192 unmodified lines | |||
| 193 | Support for Augmented rbtrees | 193 | Support for Augmented rbtrees |
| 194 | ----------------------------- | 194 | ----------------------------- |
| 195 | 195 | ||
| 196 | Augmented rbtree is an rbtree with "some" additional data stored in each node. | 196 | Augmented rbtree is an rbtree with "some" additional data stored in |
| 197 | This data can be used to augment some new functionality to rbtree. | 197 | each node, where the additional data for node N must be a function of |
| 198 | Augmented rbtree is an optional feature built on top of basic rbtree | 198 | the contents of all nodes in the subtree rooted at N. This data can |
| 199 | infrastructure. An rbtree user who wants this feature will have to call the | 199 | be used to augment some new functionality to rbtree. Augmented rbtree |
| 200 | augmentation functions with the user provided augmentation callback | 200 | is an optional feature built on top of basic rbtree infrastructure. |
| 201 | when inserting and erasing nodes. | 201 | An rbtree user who wants this feature will have to call the augmentation |
| 202 | 202 | functions with the user provided augmentation callback when inserting | |
| 203 | On insertion, the user must call rb_augment_insert() once the new node is in | 203 | and erasing nodes. |
| 204 | place. This will cause the augmentation function callback to be called for | 204 | |
| 205 | each node between the new node and the root which has been affected by the | 205 | C files implementing augmented rbtree manipulation must include |
| 206 | insertion. | 206 | <linux/rbtree_augmented.h> instead of <linus/rbtree.h>. Note that |
| 207 | 207 | linux/rbtree_augmented.h exposes some rbtree implementations details | |
| 208 | When erasing a node, the user must call rb_augment_erase_begin() first to | 208 | you are not expected to rely on; please stick to the documented APIs |
| 209 | retrieve the deepest node on the rebalance path. Then, after erasing the | 209 | there and do not include <linux/rbtree_augmented.h> from header files |
| 210 | original node, the user must call rb_augment_erase_end() with the deepest | 210 | either so as to minimize chances of your users accidentally relying on |
| 211 | node found earlier. This will cause the augmentation function to be called | 211 | such implementation details. |
| 212 | for each affected node between the deepest node and the root. | 212 | |
| 213 | 213 | On insertion, the user must update the augmented information on the path | |
| 214 | leading to the inserted node, then call rb_link_node() as usual and | ||
| 215 | rb_augment_inserted() instead of the usual rb_insert_color() call. | ||
| 216 | If rb_augment_inserted() rebalances the rbtree, it will callback into | ||
| 217 | a user provided function to update the augmented information on the | ||
| 218 | affected subtrees. | ||
| 219 | |||
| 220 | When erasing a node, the user must call rb_erase_augmented() instead of | ||
| 221 | rb_erase(). rb_erase_augmented() calls back into user provided functions | ||
| 222 | to updated the augmented information on affected subtrees. | ||
| 223 | |||
| 224 | In both cases, the callbacks are provided through struct rb_augment_callbacks. | ||
| 225 | 3 callbacks must be defined: | ||
| 226 | |||
| 227 | - A propagation callback, which updates the augmented value for a given | ||
| 228 | node and its ancestors, up to a given stop point (or NULL to update | ||
| 229 | all the way to the root). | ||
| 230 | |||
| 231 | - A copy callback, which copies the augmented value for a given subtree | ||
| 232 | to a newly assigned subtree root. | ||
| 233 | |||
| 234 | - A tree rotation callback, which copies the augmented value for a given | ||
| 235 | subtree to a newly assigned subtree root AND recomputes the augmented | ||
| 236 | information for the former subtree root. | ||
| 237 | |||
| 238 | The compiled code for rb_erase_augmented() may inline the propagation and | ||
| 239 | copy callbacks, which results in a large function, so each augmented rbtree | ||
| 240 | user should have a single rb_erase_augmented() call site in order to limit | ||
| 241 | compiled code size. | ||
| 242 | |||
| 243 | |||
| 244 | Sample usage: | ||
| 214 | 245 | ||
| 215 | Interval tree is an example of augmented rb tree. Reference - | 246 | Interval tree is an example of augmented rb tree. Reference - |
| 216 | "Introduction to Algorithms" by Cormen, Leiserson, Rivest and Stein. | 247 | "Introduction to Algorithms" by Cormen, Leiserson, Rivest and Stein. |
| @@ -230,26 +261,132 @@ and its immediate children. And this will be used in O(log n) lookup · 13 unmodified lines | |||
| 230 | for lowest match (lowest start address among all possible matches) | 261 | for lowest match (lowest start address among all possible matches) |
| 231 | with something like: | 262 | with something like: |
| 232 | 263 | ||
| 233 | find_lowest_match(lo, hi, node) | 264 | struct interval_tree_node * |
| 265 | interval_tree_first_match(struct rb_root *root, | ||
| 266 | unsigned long start, unsigned long last) | ||
| 234 | { | 267 | { |
| 235 | lowest_match = NULL; | 268 | struct interval_tree_node *node; |
| 236 | while (node) { | 269 | |
| 237 | if (max_hi(node->left) > lo) { | 270 | if (!root->rb_node) |
| 238 | // Lowest overlap if any must be on left side | 271 | return NULL; |
| 239 | node = node->left; | 272 | node = rb_entry(root->rb_node, struct interval_tree_node, rb); |
| 240 | } else if (overlap(lo, hi, node)) { | 273 | |
| 241 | lowest_match = node; | 274 | while (true) { |
| 242 | break; | 275 | if (node->rb.rb_left) { |
| 243 | } else if (lo > node->lo) { | 276 | struct interval_tree_node *left = |
| 244 | // Lowest overlap if any must be on right side | 277 | rb_entry(node->rb.rb_left, |
| 245 | node = node->right; | 278 | struct interval_tree_node, rb); |
| 246 | } else { | 279 | if (left->__subtree_last >= start) { |
| 247 | break; | 280 | /* |
| 281 | * Some nodes in left subtree satisfy Cond2. | ||
| 282 | * Iterate to find the leftmost such node N. | ||
| 283 | * If it also satisfies Cond1, that's the match | ||
| 284 | * we are looking for. Otherwise, there is no | ||
| 285 | * matching interval as nodes to the right of N | ||
| 286 | * can't satisfy Cond1 either. | ||
| 287 | */ | ||
| 288 | node = left; | ||
| 289 | continue; | ||
| 290 | } | ||
| 248 | } | 291 | } |
| 292 | if (node->start <= last) { /* Cond1 */ | ||
| 293 | if (node->last >= start) /* Cond2 */ | ||
| 294 | return node; /* node is leftmost match */ | ||
| 295 | if (node->rb.rb_right) { | ||
| 296 | node = rb_entry(node->rb.rb_right, | ||
| 297 | struct interval_tree_node, rb); | ||
| 298 | if (node->__subtree_last >= start) | ||
| 299 | continue; | ||
| 300 | } | ||
| 301 | } | ||
| 302 | return NULL; /* No match */ | ||
| 303 | } | ||
| 304 | } | ||
| 305 | |||
| 306 | Insertion/removal are defined using the following augmented callbacks: | ||
| 307 | |||
| 308 | static inline unsigned long | ||
| 309 | compute_subtree_last(struct interval_tree_node *node) | ||
| 310 | { | ||
| 311 | unsigned long max = node->last, subtree_last; | ||
| 312 | if (node->rb.rb_left) { | ||
| 313 | subtree_last = rb_entry(node->rb.rb_left, | ||
| 314 | struct interval_tree_node, rb)->__subtree_last; | ||
| 315 | if (max < subtree_last) | ||
| 316 | max = subtree_last; | ||
| 317 | } | ||
| 318 | if (node->rb.rb_right) { | ||
| 319 | subtree_last = rb_entry(node->rb.rb_right, | ||
| 320 | struct interval_tree_node, rb)->__subtree_last; | ||
| 321 | if (max < subtree_last) | ||
| 322 | max = subtree_last; | ||
| 323 | } | ||
| 324 | return max; | ||
| 325 | } | ||
| 326 | |||
| 327 | static void augment_propagate(struct rb_node *rb, struct rb_node *stop) | ||
| 328 | { | ||
| 329 | while (rb != stop) { | ||
| 330 | struct interval_tree_node *node = | ||
| 331 | rb_entry(rb, struct interval_tree_node, rb); | ||
| 332 | unsigned long subtree_last = compute_subtree_last(node); | ||
| 333 | if (node->__subtree_last == subtree_last) | ||
| 334 | break; | ||
| 335 | node->__subtree_last = subtree_last; | ||
| 336 | rb = rb_parent(&node->rb); | ||
| 249 | } | 337 | } |
| 250 | return lowest_match; | ||
| 251 | } | 338 | } |
| 252 | 339 | ||
| 253 | Finding exact match will be to first find lowest match and then to follow | 340 | static void augment_copy(struct rb_node *rb_old, struct rb_node *rb_new) |
| 254 | successor nodes looking for exact match, until the start of a node is beyond | 341 | { |
| 255 | the hi value we are looking for. | 342 | struct interval_tree_node *old = |
| 343 | rb_entry(rb_old, struct interval_tree_node, rb); | ||
| 344 | struct interval_tree_node *new = | ||
| 345 | rb_entry(rb_new, struct interval_tree_node, rb); | ||
| 346 | |||
| 347 | new->__subtree_last = old->__subtree_last; | ||
| 348 | } | ||
| 349 | |||
| 350 | static void augment_rotate(struct rb_node *rb_old, struct rb_node *rb_new) | ||
| 351 | { | ||
| 352 | struct interval_tree_node *old = | ||
| 353 | rb_entry(rb_old, struct interval_tree_node, rb); | ||
| 354 | struct interval_tree_node *new = | ||
| 355 | rb_entry(rb_new, struct interval_tree_node, rb); | ||
| 356 | |||
| 357 | new->__subtree_last = old->__subtree_last; | ||
| 358 | old->__subtree_last = compute_subtree_last(old); | ||
| 359 | } | ||
| 360 | |||
| 361 | static const struct rb_augment_callbacks augment_callbacks = { | ||
| 362 | augment_propagate, augment_copy, augment_rotate | ||
| 363 | }; | ||
| 364 | |||
| 365 | void interval_tree_insert(struct interval_tree_node *node, | ||
| 366 | struct rb_root *root) | ||
| 367 | { | ||
| 368 | struct rb_node **link = &root->rb_node, *rb_parent = NULL; | ||
| 369 | unsigned long start = node->start, last = node->last; | ||
| 370 | struct interval_tree_node *parent; | ||
| 371 | |||
| 372 | while (*link) { | ||
| 373 | rb_parent = *link; | ||
| 374 | parent = rb_entry(rb_parent, struct interval_tree_node, rb); | ||
| 375 | if (parent->__subtree_last < last) | ||
| 376 | parent->__subtree_last = last; | ||
| 377 | if (start < parent->start) | ||
| 378 | link = &parent->rb.rb_left; | ||
| 379 | else | ||
| 380 | link = &parent->rb.rb_right; | ||
| 381 | } | ||
| 382 | |||
| 383 | node->__subtree_last = last; | ||
| 384 | rb_link_node(&node->rb, rb_parent, link); | ||
| 385 | rb_insert_augmented(&node->rb, root, &augment_callbacks); | ||
| 386 | } | ||
| 387 | |||
| 388 | void interval_tree_remove(struct interval_tree_node *node, | ||
| 389 | struct rb_root *root) | ||
| 390 | { | ||
| 391 | rb_erase_augmented(&node->rb, root, &augment_callbacks); | ||
| 392 | } | ||
| @@ -129,6 +129,13 @@ int dummy_rproc_example(struct rproc *my_rproc) · 128 unmodified lines | |||
| 129 | 129 | ||
| 130 | Returns 0 on success and -EINVAL if @rproc isn't valid. | 130 | Returns 0 on success and -EINVAL if @rproc isn't valid. |
| 131 | 131 | ||
| 132 | void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type) | ||
| 133 | - Report a crash in a remoteproc | ||
| 134 | This function must be called every time a crash is detected by the | ||
| 135 | platform specific rproc implementation. This should not be called from a | ||
| 136 | non-remoteproc driver. This function can be called from atomic/interrupt | ||
| 137 | context. | ||
| 138 | |||
| 132 | 5. Implementation callbacks | 139 | 5. Implementation callbacks |
| 133 | 140 | ||
| 134 | These callbacks should be provided by platform-specific remoteproc | 141 | These callbacks should be provided by platform-specific remoteproc |
| @@ -119,8 +119,9 @@ three different userspace interfaces: · 118 unmodified lines | |||
| 119 | * /sys/class/rtc/rtcN ... sysfs attributes support readonly | 119 | * /sys/class/rtc/rtcN ... sysfs attributes support readonly |
| 120 | access to some RTC attributes. | 120 | access to some RTC attributes. |
| 121 | 121 | ||
| 122 | * /proc/driver/rtc ... the first RTC (rtc0) may expose itself | 122 | * /proc/driver/rtc ... the system clock RTC may expose itself |
| 123 | using a procfs interface. More information is (currently) shown | 123 | using a procfs interface. If there is no RTC for the system clock, |
| 124 | rtc0 is used by default. More information is (currently) shown | ||
| 124 | here than through sysfs. | 125 | here than through sysfs. |
| 125 | 126 | ||
| 126 | The RTC Class framework supports a wide variety of RTCs, ranging from those | 127 | The RTC Class framework supports a wide variety of RTCs, ranging from those |
| @@ -1,3 +1,26 @@ | |||
| 1 | Release Date : Mon. Oct 1, 2012 17:00:00 PST 2012 - | ||
| 2 | (emaild-id:megaraidlinux@lsi.com) | ||
| 3 | Adam Radford | ||
| 4 | Current Version : 06.504.01.00-rc1 | ||
| 5 | Old Version : 00.00.06.18-rc1 | ||
| 6 | 1. Removed un-needed completion_lock spinlock calls. | ||
| 7 | 2. Add module param for configurable MSI-X vector count. | ||
| 8 | 3. Load io_request DataLength in bytes. | ||
| 9 | 4. Add array boundary check for SystemPD. | ||
| 10 | 5. Add SystemPD FastPath support. | ||
| 11 | 6. Remove duplicate code. | ||
| 12 | 7. Version, Changelog, Copyright update. | ||
| 13 | ------------------------------------------------------------------------------- | ||
| 14 | Release Date : Tue. Jun 17, 2012 17:00:00 PST 2012 - | ||
| 15 | (emaild-id:megaraidlinux@lsi.com) | ||
| 16 | Adam Radford/Kashyap Desai | ||
| 17 | Current Version : 00.00.06.18-rc1 | ||
| 18 | Old Version : 00.00.06.15-rc1 | ||
| 19 | 1. Fix Copyright dates. | ||
| 20 | 2. Add throttlequeuedepth module parameter. | ||
| 21 | 3. Add resetwaittime module parameter. | ||
| 22 | 4. Move poll_aen_lock initializer. | ||
| 23 | ------------------------------------------------------------------------------- | ||
| 1 | Release Date : Mon. Mar 19, 2012 17:00:00 PST 2012 - | 24 | Release Date : Mon. Mar 19, 2012 17:00:00 PST 2012 - |
| 2 | (emaild-id:megaraidlinux@lsi.com) | 25 | (emaild-id:megaraidlinux@lsi.com) |
| 3 | Adam Radford | 26 | Adam Radford |
| @@ -1,4 +1,4 @@ | |||
| 1 | Copyright (c) 2003-2011 QLogic Corporation | 1 | Copyright (c) 2003-2012 QLogic Corporation |
| 2 | QLogic Linux FC-FCoE Driver | 2 | QLogic Linux FC-FCoE Driver |
| 3 | 3 | ||
| 4 | This program includes a device driver for Linux 3.x. | 4 | This program includes a device driver for Linux 3.x. |
| @@ -1,4 +1,4 @@ | |||
| 1 | Copyright (c) 2003-2011 QLogic Corporation | 1 | Copyright (c) 2003-2012 QLogic Corporation |
| 2 | QLogic Linux iSCSI Driver | 2 | QLogic Linux iSCSI Driver |
| 3 | 3 | ||
| 4 | This program includes a device driver for Linux 3.x. | 4 | This program includes a device driver for Linux 3.x. |
| @@ -112,10 +112,8 @@ attempted). · 111 unmodified lines | |||
| 112 | 112 | ||
| 113 | MINOR NUMBERS | 113 | MINOR NUMBERS |
| 114 | 114 | ||
| 115 | The tape driver currently supports 128 drives by default. This number | 115 | The tape driver currently supports up to 2^17 drives if 4 modes for |
| 116 | can be increased by editing st.h and recompiling the driver if | 116 | each drive are used. |
| 117 | necessary. The upper limit is 2^17 drives if 4 modes for each drive | ||
| 118 | are used. | ||
| 119 | 117 | ||
| 120 | The minor numbers consist of the following bit fields: | 118 | The minor numbers consist of the following bit fields: |
| 121 | 119 | ||
| @@ -28,12 +28,11 @@ Smack kernels use the CIPSO IP option. Some network · 27 unmodified lines | |||
| 28 | configurations are intolerant of IP options and can impede | 28 | configurations are intolerant of IP options and can impede |
| 29 | access to systems that use them as Smack does. | 29 | access to systems that use them as Smack does. |
| 30 | 30 | ||
| 31 | The current git repositories for Smack user space are: | 31 | The current git repository for Smack user space is: |
| 32 | 32 | ||
| 33 | git@gitorious.org:meego-platform-security/smackutil.git | 33 | git://github.com/smack-team/smack.git |
| 34 | git@gitorious.org:meego-platform-security/libsmack.git | ||
| 35 | 34 | ||
| 36 | These should make and install on most modern distributions. | 35 | This should make and install on most modern distributions. |
| 37 | There are three commands included in smackutil: | 36 | There are three commands included in smackutil: |
| 38 | 37 | ||
| 39 | smackload - properly formats data for writing to /smack/load | 38 | smackload - properly formats data for writing to /smack/load |
| @@ -194,6 +193,9 @@ onlycap · 154 unmodified lines | |||
| 194 | these capabilities are effective at for processes with any | 193 | these capabilities are effective at for processes with any |
| 195 | label. The value is set by writing the desired label to the | 194 | label. The value is set by writing the desired label to the |
| 196 | file or cleared by writing "-" to the file. | 195 | file or cleared by writing "-" to the file. |
| 196 | revoke-subject | ||
| 197 | Writing a Smack label here sets the access to '-' for all access | ||
| 198 | rules with that subject label. | ||
| 197 | 199 | ||
| 198 | You can add access rules in /etc/smack/accesses. They take the form: | 200 | You can add access rules in /etc/smack/accesses. They take the form: |
| 199 | 201 | ||
| @@ -412,6 +412,10 @@ The main syscalls are: · 411 unmodified lines | |||
| 412 | to the keyring. In this case, an error will be generated if the process | 412 | to the keyring. In this case, an error will be generated if the process |
| 413 | does not have permission to write to the keyring. | 413 | does not have permission to write to the keyring. |
| 414 | 414 | ||
| 415 | If the key type supports it, if the description is NULL or an empty | ||
| 416 | string, the key type will try and generate a description from the content | ||
| 417 | of the payload. | ||
| 418 | |||
| 415 | The payload is optional, and the pointer can be NULL if not required by | 419 | The payload is optional, and the pointer can be NULL if not required by |
| 416 | the type. The payload is plen in size, and plen can be zero for an empty | 420 | the type. The payload is plen in size, and plen can be zero for an empty |
| 417 | payload. | 421 | payload. |
| @@ -1114,12 +1118,53 @@ The structure has a number of fields, some of which are mandatory: · 696 unmodified lines | |||
| 1114 | it should return 0. | 1118 | it should return 0. |
| 1115 | 1119 | ||
| 1116 | 1120 | ||
| 1117 | (*) int (*instantiate)(struct key *key, const void *data, size_t datalen); | 1121 | (*) int (*preparse)(struct key_preparsed_payload *prep); |
| 1122 | |||
| 1123 | This optional method permits the key type to attempt to parse payload | ||
| 1124 | before a key is created (add key) or the key semaphore is taken (update or | ||
| 1125 | instantiate key). The structure pointed to by prep looks like: | ||
| 1126 | |||
| 1127 | struct key_preparsed_payload { | ||
| 1128 | char *description; | ||
| 1129 | void *type_data[2]; | ||
| 1130 | void *payload; | ||
| 1131 | const void *data; | ||
| 1132 | size_t datalen; | ||
| 1133 | size_t quotalen; | ||
| 1134 | }; | ||
| 1135 | |||
| 1136 | Before calling the method, the caller will fill in data and datalen with | ||
| 1137 | the payload blob parameters; quotalen will be filled in with the default | ||
| 1138 | quota size from the key type and the rest will be cleared. | ||
| 1139 | |||
| 1140 | If a description can be proposed from the payload contents, that should be | ||
| 1141 | attached as a string to the description field. This will be used for the | ||
| 1142 | key description if the caller of add_key() passes NULL or "". | ||
| 1143 | |||
| 1144 | The method can attach anything it likes to type_data[] and payload. These | ||
| 1145 | are merely passed along to the instantiate() or update() operations. | ||
| 1146 | |||
| 1147 | The method should return 0 if success ful or a negative error code | ||
| 1148 | otherwise. | ||
| 1149 | |||
| 1150 | |||
| 1151 | (*) void (*free_preparse)(struct key_preparsed_payload *prep); | ||
| 1152 | |||
| 1153 | This method is only required if the preparse() method is provided, | ||
| 1154 | otherwise it is unused. It cleans up anything attached to the | ||
| 1155 | description, type_data and payload fields of the key_preparsed_payload | ||
| 1156 | struct as filled in by the preparse() method. | ||
| 1157 | |||
| 1158 | |||
| 1159 | (*) int (*instantiate)(struct key *key, struct key_preparsed_payload *prep); | ||
| 1118 | 1160 | ||
| 1119 | This method is called to attach a payload to a key during construction. | 1161 | This method is called to attach a payload to a key during construction. |
| 1120 | The payload attached need not bear any relation to the data passed to this | 1162 | The payload attached need not bear any relation to the data passed to this |
| 1121 | function. | 1163 | function. |
| 1122 | 1164 | ||
| 1165 | The prep->data and prep->datalen fields will define the original payload | ||
| 1166 | blob. If preparse() was supplied then other fields may be filled in also. | ||
| 1167 | |||
| 1123 | If the amount of data attached to the key differs from the size in | 1168 | If the amount of data attached to the key differs from the size in |
| 1124 | keytype->def_datalen, then key_payload_reserve() should be called. | 1169 | keytype->def_datalen, then key_payload_reserve() should be called. |
| 1125 | 1170 | ||
| @@ -1135,6 +1180,9 @@ The structure has a number of fields, some of which are mandatory: · 9 unmodified lines | |||
| 1135 | If this type of key can be updated, then this method should be provided. | 1180 | If this type of key can be updated, then this method should be provided. |
| 1136 | It is called to update a key's payload from the blob of data provided. | 1181 | It is called to update a key's payload from the blob of data provided. |
| 1137 | 1182 | ||
| 1183 | The prep->data and prep->datalen fields will define the original payload | ||
| 1184 | blob. If preparse() was supplied then other fields may be filled in also. | ||
| 1185 | |||
| 1138 | key_payload_reserve() should be called if the data length might change | 1186 | key_payload_reserve() should be called if the data length might change |
| 1139 | before any changes are actually made. Note that if this succeeds, the type | 1187 | before any changes are actually made. Note that if this succeeds, the type |
| 1140 | is committed to changing the key because it's already been altered, so all | 1188 | is committed to changing the key because it's already been altered, so all |
| @@ -2,8 +2,6 @@ · 1 unmodified line | |||
| 2 | - this file. | 2 | - this file. |
| 3 | README.cycladesZ | 3 | README.cycladesZ |
| 4 | - info on Cyclades-Z firmware loading. | 4 | - info on Cyclades-Z firmware loading. |
| 5 | computone.txt | ||
| 6 | - info on Computone Intelliport II/Plus Multiport Serial Driver. | ||
| 7 | digiepca.txt | 5 | digiepca.txt |
| 8 | - info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards. | 6 | - info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards. |
| 9 | hayes-esp.txt | 7 | hayes-esp.txt |
| @@ -1,520 +0,0 @@ | |||
| 1 | NOTE: This is an unmaintained driver. It is not guaranteed to work due to | ||
| 2 | changes made in the tty layer in 2.6. If you wish to take over maintenance of | ||
| 3 | this driver, contact Michael Warfield <mhw@wittsend.com>. | ||
| 4 | |||
| 5 | Changelog: | ||
| 6 | ---------- | ||
| 7 | 11-01-2001: Original Document | ||
| 8 | |||
| 9 | 10-29-2004: Minor misspelling & format fix, update status of driver. | ||
| 10 | James Nelson <james4765@gmail.com> | ||
| 11 | |||
| 12 | Computone Intelliport II/Plus Multiport Serial Driver | ||
| 13 | ----------------------------------------------------- | ||
| 14 | |||
| 15 | Release Notes For Linux Kernel 2.2 and higher. | ||
| 16 | These notes are for the drivers which have already been integrated into the | ||
| 17 | kernel and have been tested on Linux kernels 2.0, 2.2, 2.3, and 2.4. | ||
| 18 | |||
| 19 | Version: 1.2.14 | ||
| 20 | Date: 11/01/2001 | ||
| 21 | Historical Author: Andrew Manison <amanison@america.net> | ||
| 22 | Primary Author: Doug McNash | ||
| 23 | |||
| 24 | This file assumes that you are using the Computone drivers which are | ||
| 25 | integrated into the kernel sources. For updating the drivers or installing | ||
| 26 | drivers into kernels which do not already have Computone drivers, please | ||
| 27 | refer to the instructions in the README.computone file in the driver patch. | ||
| 28 | |||
| 29 | |||
| 30 | 1. INTRODUCTION | ||
| 31 | |||
| 32 | This driver supports the entire family of Intelliport II/Plus controllers | ||
| 33 | with the exception of the MicroChannel controllers. It does not support | ||
| 34 | products previous to the Intelliport II. | ||
| 35 | |||
| 36 | This driver was developed on the v2.0.x Linux tree and has been tested up | ||
| 37 | to v2.4.14; it will probably not work with earlier v1.X kernels,. | ||
| 38 | |||
| 39 | |||
| 40 | 2. QUICK INSTALLATION | ||
| 41 | |||
| 42 | Hardware - If you have an ISA card, find a free interrupt and io port. | ||
| 43 | List those in use with `cat /proc/interrupts` and | ||
| 44 | `cat /proc/ioports`. Set the card dip switches to a free | ||
| 45 | address. You may need to configure your BIOS to reserve an | ||
| 46 | irq for an ISA card. PCI and EISA parameters are set | ||
| 47 | automagically. Insert card into computer with the power off | ||
| 48 | before or after drivers installation. | ||
| 49 | |||
| 50 | Note the hardware address from the Computone ISA cards installed into | ||
| 51 | the system. These are required for editing ip2.c or editing | ||
| 52 | /etc/modprobe.d/*.conf, or for specification on the modprobe | ||
| 53 | command line. | ||
| 54 | |||
| 55 | Note that the /etc/modules.conf should be used for older (pre-2.6) | ||
| 56 | kernels. | ||
| 57 | |||
| 58 | Software - | ||
| 59 | |||
| 60 | Module installation: | ||
| 61 | |||
| 62 | a) Determine free irq/address to use if any (configure BIOS if need be) | ||
| 63 | b) Run "make config" or "make menuconfig" or "make xconfig" | ||
| 64 | Select (m) module for CONFIG_COMPUTONE under character | ||
| 65 | devices. CONFIG_PCI and CONFIG_MODULES also may need to be set. | ||
| 66 | c) Set address on ISA cards then: | ||
| 67 | edit /usr/src/linux/drivers/char/ip2.c if needed | ||
| 68 | or | ||
| 69 | edit config file in /etc/modprobe.d/ if needed (module). | ||
| 70 | or both to match this setting. | ||
| 71 | d) Run "make modules" | ||
| 72 | e) Run "make modules_install" | ||
| 73 | f) Run "/sbin/depmod -a" | ||
| 74 | g) install driver using `modprobe ip2 <options>` (options listed below) | ||
| 75 | h) run ip2mkdev (either the script below or the binary version) | ||
| 76 | |||
| 77 | |||
| 78 | Kernel installation: | ||
| 79 | |||
| 80 | a) Determine free irq/address to use if any (configure BIOS if need be) | ||
| 81 | b) Run "make config" or "make menuconfig" or "make xconfig" | ||
| 82 | Select (y) kernel for CONFIG_COMPUTONE under character | ||
| 83 | devices. CONFIG_PCI may need to be set if you have PCI bus. | ||
| 84 | c) Set address on ISA cards then: | ||
| 85 | edit /usr/src/linux/drivers/char/ip2.c | ||
| 86 | (Optional - may be specified on kernel command line now) | ||
| 87 | d) Run "make zImage" or whatever target you prefer. | ||
| 88 | e) mv /usr/src/linux/arch/x86/boot/zImage to /boot. | ||
| 89 | f) Add new config for this kernel into /etc/lilo.conf, run "lilo" | ||
| 90 | or copy to a floppy disk and boot from that floppy disk. | ||
| 91 | g) Reboot using this kernel | ||
| 92 | h) run ip2mkdev (either the script below or the binary version) | ||
| 93 | |||
| 94 | Kernel command line options: | ||
| 95 | |||
| 96 | When compiling the driver into the kernel, io and irq may be | ||
| 97 | compiled into the driver by editing ip2.c and setting the values for | ||
| 98 | io and irq in the appropriate array. An alternative is to specify | ||
| 99 | a command line parameter to the kernel at boot up. | ||
| 100 | |||
| 101 | ip2=io0,irq0,io1,irq1,io2,irq2,io3,irq3 | ||
| 102 | |||
| 103 | Note that this order is very different from the specifications for the | ||
| 104 | modload parameters which have separate IRQ and IO specifiers. | ||
| 105 | |||
| 106 | The io port also selects PCI (1) and EISA (2) boards. | ||
| 107 | |||
| 108 | io=0 No board | ||
| 109 | io=1 PCI board | ||
| 110 | io=2 EISA board | ||
| 111 | else ISA board io address | ||
| 112 | |||
| 113 | You only need to specify the boards which are present. | ||
| 114 | |||
| 115 | Examples: | ||
| 116 | |||
| 117 | 2 PCI boards: | ||
| 118 | |||
| 119 | ip2=1,0,1,0 | ||
| 120 | |||
| 121 | 1 ISA board at 0x310 irq 5: | ||
| 122 | |||
| 123 | ip2=0x310,5 | ||
| 124 | |||
| 125 | This can be added to and "append" option in lilo.conf similar to this: | ||
| 126 | |||
| 127 | append="ip2=1,0,1,0" | ||
| 128 | |||
| 129 | |||
| 130 | 3. INSTALLATION | ||
| 131 | |||
| 132 | Previously, the driver sources were packaged with a set of patch files | ||
| 133 | to update the character drivers' makefile and configuration file, and other | ||
| 134 | kernel source files. A build script (ip2build) was included which applies | ||
| 135 | the patches if needed, and build any utilities needed. | ||
| 136 | What you receive may be a single patch file in conventional kernel | ||
| 137 | patch format build script. That form can also be applied by | ||
| 138 | running patch -p1 < ThePatchFile. Otherwise run ip2build. | ||
| 139 | |||
| 140 | The driver can be installed as a module (recommended) or built into the | ||
| 141 | kernel. This is selected as for other drivers through the `make config` | ||
| 142 | command from the root of the Linux source tree. If the driver is built | ||
| 143 | into the kernel you will need to edit the file ip2.c to match the boards | ||
| 144 | you are installing. See that file for instructions. If the driver is | ||
| 145 | installed as a module the configuration can also be specified on the | ||
| 146 | modprobe command line as follows: | ||
| 147 | |||
| 148 | modprobe ip2 irq=irq1,irq2,irq3,irq4 io=addr1,addr2,addr3,addr4 | ||
| 149 | |||
| 150 | where irqnum is one of the valid Intelliport II interrupts (3,4,5,7,10,11, | ||
| 151 | 12,15) and addr1-4 are the base addresses for up to four controllers. If | ||
| 152 | the irqs are not specified the driver uses the default in ip2.c (which | ||
| 153 | selects polled mode). If no base addresses are specified the defaults in | ||
| 154 | ip2.c are used. If you are autoloading the driver module with kerneld or | ||
| 155 | kmod the base addresses and interrupt number must also be set in ip2.c | ||
| 156 | and recompile or just insert and options line in /etc/modprobe.d/*.conf or both. | ||
| 157 | The options line is equivalent to the command line and takes precedence over | ||
| 158 | what is in ip2.c. | ||
| 159 | |||
| 160 | config sample to put /etc/modprobe.d/*.conf: | ||
| 161 | options ip2 io=1,0x328 irq=1,10 | ||
| 162 | alias char-major-71 ip2 | ||
| 163 | alias char-major-72 ip2 | ||
| 164 | alias char-major-73 ip2 | ||
| 165 | |||
| 166 | The equivalent in ip2.c: | ||
| 167 | |||
| 168 | static int io[IP2_MAX_BOARDS]= { 1, 0x328, 0, 0 }; | ||
| 169 | static int irq[IP2_MAX_BOARDS] = { 1, 10, -1, -1 }; | ||
| 170 | |||
| 171 | The equivalent for the kernel command line (in lilo.conf): | ||
| 172 | |||
| 173 | append="ip2=1,1,0x328,10" | ||
| 174 | |||
| 175 | |||
| 176 | Note: Both io and irq should be updated to reflect YOUR system. An "io" | ||
| 177 | address of 1 or 2 indicates a PCI or EISA card in the board table. | ||
| 178 | The PCI or EISA irq will be assigned automatically. | ||
| 179 | |||
| 180 | Specifying an invalid or in-use irq will default the driver into | ||
| 181 | running in polled mode for that card. If all irq entries are 0 then | ||
| 182 | all cards will operate in polled mode. | ||
| 183 | |||
| 184 | If you select the driver as part of the kernel run : | ||
| 185 | |||
| 186 | make zlilo (or whatever you do to create a bootable kernel) | ||
| 187 | |||
| 188 | If you selected a module run : | ||
| 189 | |||
| 190 | make modules && make modules_install | ||
| 191 | |||
| 192 | The utility ip2mkdev (see 5 and 7 below) creates all the device nodes | ||
| 193 | required by the driver. For a device to be created it must be configured | ||
| 194 | in the driver and the board must be installed. Only devices corresponding | ||
| 195 | to real IntelliPort II ports are created. With multiple boards and expansion | ||
| 196 | boxes this will leave gaps in the sequence of device names. ip2mkdev uses | ||
| 197 | Linux tty naming conventions: ttyF0 - ttyF255 for normal devices, and | ||
| 198 | cuf0 - cuf255 for callout devices. | ||
| 199 | |||
| 200 | |||
| 201 | 4. USING THE DRIVERS | ||
| 202 | |||
| 203 | As noted above, the driver implements the ports in accordance with Linux | ||
| 204 | conventions, and the devices should be interchangeable with the standard | ||
| 205 | serial devices. (This is a key point for problem reporting: please make | ||
| 206 | sure that what you are trying do works on the ttySx/cuax ports first; then | ||
| 207 | tell us what went wrong with the ip2 ports!) | ||
| 208 | |||
| 209 | Higher speeds can be obtained using the setserial utility which remaps | ||
| 210 | 38,400 bps (extb) to 57,600 bps, 115,200 bps, or a custom speed. | ||
| 211 | Intelliport II installations using the PowerPort expansion module can | ||
| 212 | use the custom speed setting to select the highest speeds: 153,600 bps, | ||
| 213 | 230,400 bps, 307,200 bps, 460,800bps and 921,600 bps. The base for | ||
| 214 | custom baud rate configuration is fixed at 921,600 for cards/expansion | ||
| 215 | modules with ST654's and 115200 for those with Cirrus CD1400's. This | ||
| 216 | corresponds to the maximum bit rates those chips are capable. | ||
| 217 | For example if the baud base is 921600 and the baud divisor is 18 then | ||
| 218 | the custom rate is 921600/18 = 51200 bps. See the setserial man page for | ||
| 219 | complete details. Of course if stty accepts the higher rates now you can | ||
| 220 | use that as well as the standard ioctls(). | ||
| 221 | |||
| 222 | |||
| 223 | 5. ip2mkdev and assorted utilities... | ||
| 224 | |||
| 225 | Several utilities, including the source for a binary ip2mkdev utility are | ||
| 226 | available under .../drivers/char/ip2. These can be build by changing to | ||
| 227 | that directory and typing "make" after the kernel has be built. If you do | ||
| 228 | not wish to compile the binary utilities, the shell script below can be | ||
| 229 | cut out and run as "ip2mkdev" to create the necessary device files. To | ||
| 230 | use the ip2mkdev script, you must have procfs enabled and the proc file | ||
| 231 | system mounted on /proc. | ||
| 232 | |||
| 233 | |||
| 234 | 6. NOTES | ||
| 235 | |||
| 236 | This is a release version of the driver, but it is impossible to test it | ||
| 237 | in all configurations of Linux. If there is any anomalous behaviour that | ||
| 238 | does not match the standard serial port's behaviour please let us know. | ||
| 239 | |||
| 240 | |||
| 241 | 7. ip2mkdev shell script | ||
| 242 | |||
| 243 | Previously, this script was simply attached here. It is now attached as a | ||
| 244 | shar archive to make it easier to extract the script from the documentation. | ||
| 245 | To create the ip2mkdev shell script change to a convenient directory (/tmp | ||
| 246 | works just fine) and run the following command: | ||
| 247 | |||
| 248 | unshar Documentation/serial/computone.txt | ||
| 249 | (This file) | ||
| 250 | |||
| 251 | You should now have a file ip2mkdev in your current working directory with | ||
| 252 | permissions set to execute. Running that script with then create the | ||
| 253 | necessary devices for the Computone boards, interfaces, and ports which | ||
| 254 | are present on you system at the time it is run. | ||
| 255 | |||
| 256 | |||
| 257 | #!/bin/sh | ||
| 258 | # This is a shell archive (produced by GNU sharutils 4.2.1). | ||
| 259 | # To extract the files from this archive, save it to some FILE, remove | ||
| 260 | # everything before the `!/bin/sh' line above, then type `sh FILE'. | ||
| 261 | # | ||
| 262 | # Made on 2001-10-29 10:32 EST by <mhw@alcove.wittsend.com>. | ||
| 263 | # Source directory was `/home2/src/tmp'. | ||
| 264 | # | ||
| 265 | # Existing files will *not* be overwritten unless `-c' is specified. | ||
| 266 | # | ||
| 267 | # This shar contains: | ||
| 268 | # length mode name | ||
| 269 | # ------ ---------- ------------------------------------------ | ||
| 270 | # 4251 -rwxr-xr-x ip2mkdev | ||
| 271 | # | ||
| 272 | save_IFS="${IFS}" | ||
| 273 | IFS="${IFS}:" | ||
| 274 | gettext_dir=FAILED | ||
| 275 | locale_dir=FAILED | ||
| 276 | first_param="$1" | ||
| 277 | for dir in $PATH | ||
| 278 | do | ||
| 279 | if test "$gettext_dir" = FAILED && test -f $dir/gettext \ | ||
| 280 | && ($dir/gettext --version >/dev/null 2>&1) | ||
| 281 | then | ||
| 282 | set `$dir/gettext --version 2>&1` | ||
| 283 | if test "$3" = GNU | ||
| 284 | then | ||
| 285 | gettext_dir=$dir | ||
| 286 | fi | ||
| 287 | fi | ||
| 288 | if test "$locale_dir" = FAILED && test -f $dir/shar \ | ||
| 289 | && ($dir/shar --print-text-domain-dir >/dev/null 2>&1) | ||
| 290 | then | ||
| 291 | locale_dir=`$dir/shar --print-text-domain-dir` | ||
| 292 | fi | ||
| 293 | done | ||
| 294 | IFS="$save_IFS" | ||
| 295 | if test "$locale_dir" = FAILED || test "$gettext_dir" = FAILED | ||
| 296 | then | ||
| 297 | echo=echo | ||
| 298 | else | ||
| 299 | TEXTDOMAINDIR=$locale_dir | ||
| 300 | export TEXTDOMAINDIR | ||
| 301 | TEXTDOMAIN=sharutils | ||
| 302 | export TEXTDOMAIN | ||
| 303 | echo="$gettext_dir/gettext -s" | ||
| 304 | fi | ||
| 305 | if touch -am -t 200112312359.59 $$.touch >/dev/null 2>&1 && test ! -f 200112312359.59 -a -f $$.touch; then | ||
| 306 | shar_touch='touch -am -t $1$2$3$4$5$6.$7 "$8"' | ||
| 307 | elif touch -am 123123592001.59 $$.touch >/dev/null 2>&1 && test ! -f 123123592001.59 -a ! -f 123123592001.5 -a -f $$.touch; then | ||
| 308 | shar_touch='touch -am $3$4$5$6$1$2.$7 "$8"' | ||
| 309 | elif touch -am 1231235901 $$.touch >/dev/null 2>&1 && test ! -f 1231235901 -a -f $$.touch; then | ||
| 310 | shar_touch='touch -am $3$4$5$6$2 "$8"' | ||
| 311 | else | ||
| 312 | shar_touch=: | ||
| 313 | echo | ||
| 314 | $echo 'WARNING: not restoring timestamps. Consider getting and' | ||
| 315 | $echo "installing GNU \`touch', distributed in GNU File Utilities..." | ||
| 316 | echo | ||
| 317 | fi | ||
| 318 | rm -f 200112312359.59 123123592001.59 123123592001.5 1231235901 $$.touch | ||
| 319 | # | ||
| 320 | if mkdir _sh17581; then | ||
| 321 | $echo 'x -' 'creating lock directory' | ||
| 322 | else | ||
| 323 | $echo 'failed to create lock directory' | ||
| 324 | exit 1 | ||
| 325 | fi | ||
| 326 | # ============= ip2mkdev ============== | ||
| 327 | if test -f 'ip2mkdev' && test "$first_param" != -c; then | ||
| 328 | $echo 'x -' SKIPPING 'ip2mkdev' '(file already exists)' | ||
| 329 | else | ||
| 330 | $echo 'x -' extracting 'ip2mkdev' '(text)' | ||
| 331 | sed 's/^X//' << 'SHAR_EOF' > 'ip2mkdev' && | ||
| 332 | #!/bin/sh - | ||
| 333 | # | ||
| 334 | # ip2mkdev | ||
| 335 | # | ||
| 336 | # Make or remove devices as needed for Computone Intelliport drivers | ||
| 337 | # | ||
| 338 | # First rule! If the dev file exists and you need it, don't mess | ||
| 339 | # with it. That prevents us from screwing up open ttys, ownership | ||
| 340 | # and permissions on a running system! | ||
| 341 | # | ||
| 342 | # This script will NOT remove devices that no longer exist if their | ||
| 343 | # board or interface box has been removed. If you want to get rid | ||
| 344 | # of them, you can manually do an "rm -f /dev/ttyF* /dev/cuaf*" | ||
| 345 | # before running this script. Running this script will then recreate | ||
| 346 | # all the valid devices. | ||
| 347 | # | ||
| 348 | # Michael H. Warfield | ||
| 349 | # /\/\|=mhw=|\/\/ | ||
| 350 | # mhw@wittsend.com | ||
| 351 | # | ||
| 352 | # Updated 10/29/2000 for version 1.2.13 naming convention | ||
| 353 | # under devfs. /\/\|=mhw=|\/\/ | ||
| 354 | # | ||
| 355 | # Updated 03/09/2000 for devfs support in ip2 drivers. /\/\|=mhw=|\/\/ | ||
| 356 | # | ||
| 357 | X | ||
| 358 | if test -d /dev/ip2 ; then | ||
| 359 | # This is devfs mode... We don't do anything except create symlinks | ||
| 360 | # from the real devices to the old names! | ||
| 361 | X cd /dev | ||
| 362 | X echo "Creating symbolic links to devfs devices" | ||
| 363 | X for i in `ls ip2` ; do | ||
| 364 | X if test ! -L ip2$i ; then | ||
| 365 | X # Remove it incase it wasn't a symlink (old device) | ||
| 366 | X rm -f ip2$i | ||
| 367 | X ln -s ip2/$i ip2$i | ||
| 368 | X fi | ||
| 369 | X done | ||
| 370 | X for i in `( cd tts ; ls F* )` ; do | ||
| 371 | X if test ! -L tty$i ; then | ||
| 372 | X # Remove it incase it wasn't a symlink (old device) | ||
| 373 | X rm -f tty$i | ||
| 374 | X ln -s tts/$i tty$i | ||
| 375 | X fi | ||
| 376 | X done | ||
| 377 | X for i in `( cd cua ; ls F* )` ; do | ||
| 378 | X DEVNUMBER=`expr $i : 'F\(.*\)'` | ||
| 379 | X if test ! -L cuf$DEVNUMBER ; then | ||
| 380 | X # Remove it incase it wasn't a symlink (old device) | ||
| 381 | X rm -f cuf$DEVNUMBER | ||
| 382 | X ln -s cua/$i cuf$DEVNUMBER | ||
| 383 | X fi | ||
| 384 | X done | ||
| 385 | X exit 0 | ||
| 386 | fi | ||
| 387 | X | ||
| 388 | if test ! -f /proc/tty/drivers | ||
| 389 | then | ||
| 390 | X echo "\ | ||
| 391 | Unable to check driver status. | ||
| 392 | Make sure proc file system is mounted." | ||
| 393 | X | ||
| 394 | X exit 255 | ||
| 395 | fi | ||
| 396 | X | ||
| 397 | if test ! -f /proc/tty/driver/ip2 | ||
| 398 | then | ||
| 399 | X echo "\ | ||
| 400 | Unable to locate ip2 proc file. | ||
| 401 | Attempting to load driver" | ||
| 402 | X | ||
| 403 | X if /sbin/insmod ip2 | ||
| 404 | X then | ||
| 405 | X if test ! -f /proc/tty/driver/ip2 | ||
| 406 | X then | ||
| 407 | X echo "\ | ||
| 408 | Unable to locate ip2 proc file after loading driver. | ||
| 409 | Driver initialization failure or driver version error. | ||
| 410 | " | ||
| 411 | X exit 255 | ||
| 412 | X fi | ||
| 413 | X else | ||
| 414 | X echo "Unable to load ip2 driver." | ||
| 415 | X exit 255 | ||
| 416 | X fi | ||
| 417 | fi | ||
| 418 | X | ||
| 419 | # Ok... So we got the driver loaded and we can locate the procfs files. | ||
| 420 | # Next we need our major numbers. | ||
| 421 | X | ||
| 422 | TTYMAJOR=`sed -e '/^ip2/!d' -e '/\/dev\/tt/!d' -e 's/.*tt[^ ]*[ ]*\([0-9]*\)[ ]*.*/\1/' < /proc/tty/drivers` | ||
| 423 | CUAMAJOR=`sed -e '/^ip2/!d' -e '/\/dev\/cu/!d' -e 's/.*cu[^ ]*[ ]*\([0-9]*\)[ ]*.*/\1/' < /proc/tty/drivers` | ||
| 424 | BRDMAJOR=`sed -e '/^Driver: /!d' -e 's/.*IMajor=\([0-9]*\)[ ]*.*/\1/' < /proc/tty/driver/ip2` | ||
| 425 | X | ||
| 426 | echo "\ | ||
| 427 | TTYMAJOR = $TTYMAJOR | ||
| 428 | CUAMAJOR = $CUAMAJOR | ||
| 429 | BRDMAJOR = $BRDMAJOR | ||
| 430 | " | ||
| 431 | X | ||
| 432 | # Ok... Now we should know our major numbers, if appropriate... | ||
| 433 | # Now we need our boards and start the device loops. | ||
| 434 | X | ||
| 435 | grep '^Board [0-9]:' /proc/tty/driver/ip2 | while read token number type alltherest | ||
| 436 | do | ||
| 437 | X # The test for blank "type" will catch the stats lead-in lines | ||
| 438 | X # if they exist in the file | ||
| 439 | X if test "$type" = "vacant" -o "$type" = "Vacant" -o "$type" = "" | ||
| 440 | X then | ||
| 441 | X continue | ||
| 442 | X fi | ||
| 443 | X | ||
| 444 | X BOARDNO=`expr "$number" : '\([0-9]\):'` | ||
| 445 | X PORTS=`expr "$alltherest" : '.*ports=\([0-9]*\)' | tr ',' ' '` | ||
| 446 | X MINORS=`expr "$alltherest" : '.*minors=\([0-9,]*\)' | tr ',' ' '` | ||
| 447 | X | ||
| 448 | X if test "$BOARDNO" = "" -o "$PORTS" = "" | ||
| 449 | X then | ||
| 450 | # This may be a bug. We should at least get this much information | ||
| 451 | X echo "Unable to process board line" | ||
| 452 | X continue | ||
| 453 | X fi | ||
| 454 | X | ||
| 455 | X if test "$MINORS" = "" | ||
| 456 | X then | ||
| 457 | # Silently skip this one. This board seems to have no boxes | ||
| 458 | X continue | ||
| 459 | X fi | ||
| 460 | X | ||
| 461 | X echo "board $BOARDNO: $type ports = $PORTS; port numbers = $MINORS" | ||
| 462 | X | ||
| 463 | X if test "$BRDMAJOR" != "" | ||
| 464 | X then | ||
| 465 | X BRDMINOR=`expr $BOARDNO \* 4` | ||
| 466 | X STSMINOR=`expr $BRDMINOR + 1` | ||
| 467 | X if test ! -c /dev/ip2ipl$BOARDNO ; then | ||
| 468 | X mknod /dev/ip2ipl$BOARDNO c $BRDMAJOR $BRDMINOR | ||
| 469 | X fi | ||
| 470 | X if test ! -c /dev/ip2stat$BOARDNO ; then | ||
| 471 | X mknod /dev/ip2stat$BOARDNO c $BRDMAJOR $STSMINOR | ||
| 472 | X fi | ||
| 473 | X fi | ||
| 474 | X | ||
| 475 | X if test "$TTYMAJOR" != "" | ||
| 476 | X then | ||
| 477 | X PORTNO=$BOARDBASE | ||
| 478 | X | ||
| 479 | X for PORTNO in $MINORS | ||
| 480 | X do | ||
| 481 | X if test ! -c /dev/ttyF$PORTNO ; then | ||
| 482 | X # We got the hardware but no device - make it | ||
| 483 | X mknod /dev/ttyF$PORTNO c $TTYMAJOR $PORTNO | ||
| 484 | X fi | ||
| 485 | X done | ||
| 486 | X fi | ||
| 487 | X | ||
| 488 | X if test "$CUAMAJOR" != "" | ||
| 489 | X then | ||
| 490 | X PORTNO=$BOARDBASE | ||
| 491 | X | ||
| 492 | X for PORTNO in $MINORS | ||
| 493 | X do | ||
| 494 | X if test ! -c /dev/cuf$PORTNO ; then | ||
| 495 | X # We got the hardware but no device - make it | ||
| 496 | X mknod /dev/cuf$PORTNO c $CUAMAJOR $PORTNO | ||
| 497 | X fi | ||
| 498 | X done | ||
| 499 | X fi | ||
| 500 | done | ||
| 501 | X | ||
| 502 | Xexit 0 | ||
| 503 | SHAR_EOF | ||
| 504 | (set 20 01 10 29 10 32 01 'ip2mkdev'; eval "$shar_touch") && | ||
| 505 | chmod 0755 'ip2mkdev' || | ||
| 506 | $echo 'restore of' 'ip2mkdev' 'failed' | ||
| 507 | if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ | ||
| 508 | && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then | ||
| 509 | md5sum -c << SHAR_EOF >/dev/null 2>&1 \ | ||
| 510 | || $echo 'ip2mkdev:' 'MD5 check failed' | ||
| 511 | cb5717134509f38bad9fde6b1f79b4a4 ip2mkdev | ||
| 512 | SHAR_EOF | ||
| 513 | else | ||
| 514 | shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'ip2mkdev'`" | ||
| 515 | test 4251 -eq "$shar_count" || | ||
| 516 | $echo 'ip2mkdev:' 'original size' '4251,' 'current size' "$shar_count!" | ||
| 517 | fi | ||
| 518 | fi | ||
| 519 | rm -fr _sh17581 | ||
| 520 | exit 0 | ||
| @@ -0,0 +1,56 @@ | |||
| 1 | What is smsc-ece1099? | ||
| 2 | ---------------------- | ||
| 3 | |||
| 4 | The ECE1099 is a 40-Pin 3.3V Keyboard Scan Expansion | ||
| 5 | or GPIO Expansion device. The device supports a keyboard | ||
| 6 | scan matrix of 23x8. The device is connected to a Master | ||
| 7 | via the SMSC BC-Link interface or via the SMBus. | ||
| 8 | Keypad scan Input(KSI) and Keypad Scan Output(KSO) signals | ||
| 9 | are multiplexed with GPIOs. | ||
| 10 | |||
| 11 | Interrupt generation | ||
| 12 | -------------------- | ||
| 13 | |||
| 14 | Interrupts can be generated by an edge detection on a GPIO | ||
| 15 | pin or an edge detection on one of the bus interface pins. | ||
| 16 | Interrupts can also be detected on the keyboard scan interface. | ||
| 17 | The bus interrupt pin (BC_INT# or SMBUS_INT#) is asserted if | ||
| 18 | any bit in one of the Interrupt Status registers is 1 and | ||
| 19 | the corresponding Interrupt Mask bit is also 1. | ||
| 20 | |||
| 21 | In order for software to determine which device is the source | ||
| 22 | of an interrupt, it should first read the Group Interrupt Status Register | ||
| 23 | to determine which Status register group is a source for the interrupt. | ||
| 24 | Software should read both the Status register and the associated Mask register, | ||
| 25 | then AND the two values together. Bits that are 1 in the result of the AND | ||
| 26 | are active interrupts. Software clears an interrupt by writing a 1 to the | ||
| 27 | corresponding bit in the Status register. | ||
| 28 | |||
| 29 | Communication Protocol | ||
| 30 | ---------------------- | ||
| 31 | |||
| 32 | - SMbus slave Interface | ||
| 33 | The host processor communicates with the ECE1099 device | ||
| 34 | through a series of read/write registers via the SMBus | ||
| 35 | interface. SMBus is a serial communication protocol between | ||
| 36 | a computer host and its peripheral devices. The SMBus data | ||
| 37 | rate is 10KHz minimum to 400 KHz maximum | ||
| 38 | |||
| 39 | - Slave Bus Interface | ||
| 40 | The ECE1099 device SMBus implementation is a subset of the | ||
| 41 | SMBus interface to the host. The device is a slave-only SMBus device. | ||
| 42 | The implementation in the device is a subset of SMBus since it | ||
| 43 | only supports four protocols. | ||
| 44 | |||
| 45 | The Write Byte, Read Byte, Send Byte, and Receive Byte protocols are the | ||
| 46 | only valid SMBus protocols for the device. | ||
| 47 | |||
| 48 | - BC-LinkTM Interface | ||
| 49 | The BC-Link is a proprietary bus that allows communication | ||
| 50 | between a Master device and a Companion device. The Master | ||
| 51 | device uses this serial bus to read and write registers | ||
| 52 | located on the Companion device. The bus comprises three signals, | ||
| 53 | BC_CLK, BC_DAT and BC_INT#. The Master device always provides the | ||
| 54 | clock, BC_CLK, and the Companion device is the source for an | ||
| 55 | independent asynchronous interrupt signal, BC_INT#. The ECE1099 | ||
| 56 | supports BC-Link speeds up to 24MHz. | ||
| @@ -860,8 +860,14 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. · 859 unmodified lines | |||
| 860 | 860 | ||
| 861 | [Multiple options for each card instance] | 861 | [Multiple options for each card instance] |
| 862 | model - force the model name | 862 | model - force the model name |
| 863 | position_fix - Fix DMA pointer (0 = auto, 1 = use LPIB, 2 = POSBUF, | 863 | position_fix - Fix DMA pointer |
| 864 | 3 = VIACOMBO, 4 = COMBO) | 864 | -1 = system default: choose appropriate one per controller |
| 865 | hardware | ||
| 866 | 0 = auto: falls back to LPIB when POSBUF doesn't work | ||
| 867 | 1 = use LPIB | ||
| 868 | 2 = POSBUF: use position buffer | ||
| 869 | 3 = VIACOMBO: VIA-specific workaround for capture | ||
| 870 | 4 = COMBO: use LPIB for playback, auto for capture stream | ||
| 865 | probe_mask - Bitmask to probe codecs (default = -1, meaning all slots) | 871 | probe_mask - Bitmask to probe codecs (default = -1, meaning all slots) |
| 866 | When the bit 8 (0x100) is set, the lower 8 bits are used | 872 | When the bit 8 (0x100) is set, the lower 8 bits are used |
| 867 | as the "fixed" codec slots; i.e. the driver probes the | 873 | as the "fixed" codec slots; i.e. the driver probes the |
| @@ -0,0 +1,153 @@ | |||
| 1 | ALSA PCM channel-mapping API | ||
| 2 | ============================ | ||
| 3 | Takashi Iwai <tiwai@suse.de> | ||
| 4 | |||
| 5 | GENERAL | ||
| 6 | ------- | ||
| 7 | |||
| 8 | The channel mapping API allows user to query the possible channel maps | ||
| 9 | and the current channel map, also optionally to modify the channel map | ||
| 10 | of the current stream. | ||
| 11 | |||
| 12 | A channel map is an array of position for each PCM channel. | ||
| 13 | Typically, a stereo PCM stream has a channel map of | ||
| 14 | { front_left, front_right } | ||
| 15 | while a 4.0 surround PCM stream has a channel map of | ||
| 16 | { front left, front right, rear left, rear right }. | ||
| 17 | |||
| 18 | The problem, so far, was that we had no standard channel map | ||
| 19 | explicitly, and applications had no way to know which channel | ||
| 20 | corresponds to which (speaker) position. Thus, applications applied | ||
| 21 | wrong channels for 5.1 outputs, and you hear suddenly strange sound | ||
| 22 | from rear. Or, some devices secretly assume that center/LFE is the | ||
| 23 | third/fourth channels while others that C/LFE as 5th/6th channels. | ||
| 24 | |||
| 25 | Also, some devices such as HDMI are configurable for different speaker | ||
| 26 | positions even with the same number of total channels. However, there | ||
| 27 | was no way to specify this because of lack of channel map | ||
| 28 | specification. These are the main motivations for the new channel | ||
| 29 | mapping API. | ||
| 30 | |||
| 31 | |||
| 32 | DESIGN | ||
| 33 | ------ | ||
| 34 | |||
| 35 | Actually, "the channel mapping API" doesn't introduce anything new in | ||
| 36 | the kernel/user-space ABI perspective. It uses only the existing | ||
| 37 | control element features. | ||
| 38 | |||
| 39 | As a ground design, each PCM substream may contain a control element | ||
| 40 | providing the channel mapping information and configuration. This | ||
| 41 | element is specified by: | ||
| 42 | iface = SNDRV_CTL_ELEM_IFACE_PCM | ||
| 43 | name = "Playback Channel Map" or "Capture Channel Map" | ||
| 44 | device = the same device number for the assigned PCM substream | ||
| 45 | index = the same index number for the assigned PCM substream | ||
| 46 | |||
| 47 | Note the name is different depending on the PCM substream direction. | ||
| 48 | |||
| 49 | Each control element provides at least the TLV read operation and the | ||
| 50 | read operation. Optionally, the write operation can be provided to | ||
| 51 | allow user to change the channel map dynamically. | ||
| 52 | |||
| 53 | * TLV | ||
| 54 | |||
| 55 | The TLV operation gives the list of available channel | ||
| 56 | maps. A list item of a channel map is usually a TLV of | ||
| 57 | type data-bytes ch0 ch1 ch2... | ||
| 58 | where type is the TLV type value, the second argument is the total | ||
| 59 | bytes (not the numbers) of channel values, and the rest are the | ||
| 60 | position value for each channel. | ||
| 61 | |||
| 62 | As a TLV type, either SNDRV_CTL_TLVT_CHMAP_FIXED, | ||
| 63 | SNDRV_CTL_TLV_CHMAP_VAR or SNDRV_CTL_TLVT_CHMAP_PAIRED can be used. | ||
| 64 | The _FIXED type is for a channel map with the fixed channel position | ||
| 65 | while the latter two are for flexible channel positions. _VAR type is | ||
| 66 | for a channel map where all channels are freely swappable and _PAIRED | ||
| 67 | type is where pair-wise channels are swappable. For example, when you | ||
| 68 | have {FL/FR/RL/RR} channel map, _PAIRED type would allow you to swap | ||
| 69 | only {RL/RR/FL/FR} while _VAR type would allow even swapping FL and | ||
| 70 | RR. | ||
| 71 | |||
| 72 | These new TLV types are defined in sound/tlv.h. | ||
| 73 | |||
| 74 | The available channel position values are defined in sound/asound.h, | ||
| 75 | here is a cut: | ||
| 76 | |||
| 77 | /* channel positions */ | ||
| 78 | enum { | ||
| 79 | SNDRV_CHMAP_UNKNOWN = 0, | ||
| 80 | SNDRV_CHMAP_NA, /* N/A, silent */ | ||
| 81 | SNDRV_CHMAP_MONO, /* mono stream */ | ||
| 82 | /* this follows the alsa-lib mixer channel value + 3 */ | ||
| 83 | SNDRV_CHMAP_FL, /* front left */ | ||
| 84 | SNDRV_CHMAP_FR, /* front right */ | ||
| 85 | SNDRV_CHMAP_RL, /* rear left */ | ||
| 86 | SNDRV_CHMAP_RR, /* rear right */ | ||
| 87 | SNDRV_CHMAP_FC, /* front center */ | ||
| 88 | SNDRV_CHMAP_LFE, /* LFE */ | ||
| 89 | SNDRV_CHMAP_SL, /* side left */ | ||
| 90 | SNDRV_CHMAP_SR, /* side right */ | ||
| 91 | SNDRV_CHMAP_RC, /* rear center */ | ||
| 92 | /* new definitions */ | ||
| 93 | SNDRV_CHMAP_FLC, /* front left center */ | ||
| 94 | SNDRV_CHMAP_FRC, /* front right center */ | ||
| 95 | SNDRV_CHMAP_RLC, /* rear left center */ | ||
| 96 | SNDRV_CHMAP_RRC, /* rear right center */ | ||
| 97 | SNDRV_CHMAP_FLW, /* front left wide */ | ||
| 98 | SNDRV_CHMAP_FRW, /* front right wide */ | ||
| 99 | SNDRV_CHMAP_FLH, /* front left high */ | ||
| 100 | SNDRV_CHMAP_FCH, /* front center high */ | ||
| 101 | SNDRV_CHMAP_FRH, /* front right high */ | ||
| 102 | SNDRV_CHMAP_TC, /* top center */ | ||
| 103 | SNDRV_CHMAP_TFL, /* top front left */ | ||
| 104 | SNDRV_CHMAP_TFR, /* top front right */ | ||
| 105 | SNDRV_CHMAP_TFC, /* top front center */ | ||
| 106 | SNDRV_CHMAP_TRL, /* top rear left */ | ||
| 107 | SNDRV_CHMAP_TRR, /* top rear right */ | ||
| 108 | SNDRV_CHMAP_TRC, /* top rear center */ | ||
| 109 | SNDRV_CHMAP_LAST = SNDRV_CHMAP_TRC, | ||
| 110 | }; | ||
| 111 | |||
| 112 | When a PCM stream can provide more than one channel map, you can | ||
| 113 | provide multiple channel maps in a TLV container type. The TLV data | ||
| 114 | to be returned will contain such as: | ||
| 115 | SNDRV_CTL_TLVT_CONTAINER 96 | ||
| 116 | SNDRV_CTL_TLVT_CHMAP_FIXED 4 SNDRV_CHMAP_FC | ||
| 117 | SNDRV_CTL_TLVT_CHMAP_FIXED 8 SNDRV_CHMAP_FL SNDRV_CHMAP_FR | ||
| 118 | SNDRV_CTL_TLVT_CHMAP_FIXED 16 NDRV_CHMAP_FL SNDRV_CHMAP_FR \ | ||
| 119 | SNDRV_CHMAP_RL SNDRV_CHMAP_RR | ||
| 120 | |||
| 121 | The channel position is provided in LSB 16bits. The upper bits are | ||
| 122 | used for bit flags. | ||
| 123 | |||
| 124 | #define SNDRV_CHMAP_POSITION_MASK 0xffff | ||
| 125 | #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) | ||
| 126 | #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) | ||
| 127 | |||
| 128 | SNDRV_CHMAP_PHASE_INVERSE indicates the channel is phase inverted, | ||
| 129 | (thus summing left and right channels would result in almost silence). | ||
| 130 | Some digital mic devices have this. | ||
| 131 | |||
| 132 | When SNDRV_CHMAP_DRIVER_SPEC is set, all the channel position values | ||
| 133 | don't follow the standard definition above but driver-specific. | ||
| 134 | |||
| 135 | * READ OPERATION | ||
| 136 | |||
| 137 | The control read operation is for providing the current channel map of | ||
| 138 | the given stream. The control element returns an integer array | ||
| 139 | containing the position of each channel. | ||
| 140 | |||
| 141 | When this is performed before the number of the channel is specified | ||
| 142 | (i.e. hw_params is set), it should return all channels set to | ||
| 143 | UNKNOWN. | ||
| 144 | |||
| 145 | * WRITE OPERATION | ||
| 146 | |||
| 147 | The control write operation is optional, and only for devices that can | ||
| 148 | change the channel configuration on the fly, such as HDMI. User needs | ||
| 149 | to pass an integer value containing the valid channel positions for | ||
| 150 | all channels of the assigned PCM substream. | ||
| 151 | |||
| 152 | This operation is allowed only at PCM PREPARED state. When called in | ||
| 153 | other states, it shall return an error. | ||
| @@ -74,7 +74,8 @@ CMI9880 · 73 unmodified lines | |||
| 74 | 74 | ||
| 75 | AD1882 / AD1882A | 75 | AD1882 / AD1882A |
| 76 | ================ | 76 | ================ |
| 77 | 3stack 3-stack mode (default) | 77 | 3stack 3-stack mode |
| 78 | 3stack-automute 3-stack with automute front HP (default) | ||
| 78 | 6stack 6-stack mode | 79 | 6stack 6-stack mode |
| 79 | 80 | ||
| 80 | AD1884A / AD1883 / AD1984A / AD1984B | 81 | AD1884A / AD1883 / AD1984A / AD1984B |
| @@ -26,7 +26,7 @@ arch/arm/mach-ep93xx/ts72xx.c: · 25 unmodified lines | |||
| 26 | #include <linux/gpio.h> | 26 | #include <linux/gpio.h> |
| 27 | #include <linux/spi/spi.h> | 27 | #include <linux/spi/spi.h> |
| 28 | 28 | ||
| 29 | #include <mach/ep93xx_spi.h> | 29 | #include <linux/platform_data/spi-ep93xx.h> |
| 30 | 30 | ||
| 31 | /* this is our GPIO line used for chip select */ | 31 | /* this is our GPIO line used for chip select */ |
| 32 | #define MMC_CHIP_SELECT_GPIO EP93XX_GPIO_LINE_EGPIO9 | 32 | #define MMC_CHIP_SELECT_GPIO EP93XX_GPIO_LINE_EGPIO9 |
| @@ -0,0 +1,36 @@ | |||
| 1 | Kernel driver spi-sc18is602 | ||
| 2 | =========================== | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * NXP SI18IS602/602B/603 | ||
| 6 | Datasheet: http://www.nxp.com/documents/data_sheet/SC18IS602_602B_603.pdf | ||
| 7 | |||
| 8 | Author: | ||
| 9 | Guenter Roeck <linux@roeck-us.net> | ||
| 10 | |||
| 11 | |||
| 12 | Description | ||
| 13 | ----------- | ||
| 14 | |||
| 15 | This driver provides connects a NXP SC18IS602/603 I2C-bus to SPI bridge to the | ||
| 16 | kernel's SPI core subsystem. | ||
| 17 | |||
| 18 | The driver does not probe for supported chips, since the SI18IS602/603 does not | ||
| 19 | support Chip ID registers. You will have to instantiate the devices explicitly. | ||
| 20 | Please see Documentation/i2c/instantiating-devices for details. | ||
| 21 | |||
| 22 | |||
| 23 | Usage Notes | ||
| 24 | ----------- | ||
| 25 | |||
| 26 | This driver requires the I2C adapter driver to support raw I2C messages. I2C | ||
| 27 | adapter drivers which can only handle the SMBus protocol are not supported. | ||
| 28 | |||
| 29 | The maximum SPI message size supported by SC18IS602/603 is 200 bytes. Attempts | ||
| 30 | to initiate longer transfers will fail with -EINVAL. EEPROM read operations and | ||
| 31 | similar large accesses have to be split into multiple chunks of no more than | ||
| 32 | 200 bytes per SPI message (128 bytes of data per message is recommended). This | ||
| 33 | means that programs such as "cp" or "od", which automatically use large block | ||
| 34 | sizes to access a device, can not be used directly to read data from EEPROM. | ||
| 35 | Programs such as dd, where the block size can be specified, should be used | ||
| 36 | instead. | ||
| @@ -181,6 +181,8 @@ core_pattern is used to specify a core dumpfile pattern name. · 180 unmodified lines | |||
| 181 | %p pid | 181 | %p pid |
| 182 | %u uid | 182 | %u uid |
| 183 | %g gid | 183 | %g gid |
| 184 | %d dump mode, matches PR_SET_DUMPABLE and | ||
| 185 | /proc/sys/fs/suid_dumpable | ||
| 184 | %s signal number | 186 | %s signal number |
| 185 | %t UNIX time of dump | 187 | %t UNIX time of dump |
| 186 | %h hostname | 188 | %h hostname |
| @@ -116,6 +116,7 @@ On all - write a character to /proc/sysrq-trigger. e.g.: · 115 unmodified lines | |||
| 116 | 'w' - Dumps tasks that are in uninterruptable (blocked) state. | 116 | 'w' - Dumps tasks that are in uninterruptable (blocked) state. |
| 117 | 117 | ||
| 118 | 'x' - Used by xmon interface on ppc/powerpc platforms. | 118 | 'x' - Used by xmon interface on ppc/powerpc platforms. |
| 119 | Show global PMU Registers on sparc64. | ||
| 119 | 120 | ||
| 120 | 'y' - Show global CPU Registers [SPARC-64 specific] | 121 | 'y' - Show global CPU Registers [SPARC-64 specific] |
| 121 | 122 | ||
| @@ -402,8 +402,6 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): · 401 unmodified lines | |||
| 402 | buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n" | 402 | buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n" |
| 403 | buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n" | 403 | buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n" |
| 404 | buf += " .queue_tm_rsp = " + fabric_mod_name + "_queue_tm_rsp,\n" | 404 | buf += " .queue_tm_rsp = " + fabric_mod_name + "_queue_tm_rsp,\n" |
| 405 | buf += " .get_fabric_sense_len = " + fabric_mod_name + "_get_fabric_sense_len,\n" | ||
| 406 | buf += " .set_fabric_sense_len = " + fabric_mod_name + "_set_fabric_sense_len,\n" | ||
| 407 | buf += " .is_state_remove = " + fabric_mod_name + "_is_state_remove,\n" | 405 | buf += " .is_state_remove = " + fabric_mod_name + "_is_state_remove,\n" |
| 408 | buf += " /*\n" | 406 | buf += " /*\n" |
| 409 | buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n" | 407 | buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n" |
| @@ -906,20 +904,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name): · 496 unmodified lines | |||
| 906 | buf += "}\n\n" | 904 | buf += "}\n\n" |
| 907 | bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n" | 905 | bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n" |
| 908 | 906 | ||
| 909 | if re.search('get_fabric_sense_len\)\(', fo): | ||
| 910 | buf += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void)\n" | ||
| 911 | buf += "{\n" | ||
| 912 | buf += " return 0;\n" | ||
| 913 | buf += "}\n\n" | ||
| 914 | bufi += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void);\n" | ||
| 915 | |||
| 916 | if re.search('set_fabric_sense_len\)\(', fo): | ||
| 917 | buf += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)\n" | ||
| 918 | buf += "{\n" | ||
| 919 | buf += " return 0;\n" | ||
| 920 | buf += "}\n\n" | ||
| 921 | bufi += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *, u32);\n" | ||
| 922 | |||
| 923 | if re.search('is_state_remove\)\(', fo): | 907 | if re.search('is_state_remove\)\(', fo): |
| 924 | buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n" | 908 | buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n" |
| 925 | buf += "{\n" | 909 | buf += "{\n" |
| @@ -0,0 +1,32 @@ | |||
| 1 | CPU cooling APIs How To | ||
| 2 | =================================== | ||
| 3 | |||
| 4 | Written by Amit Daniel Kachhap <amit.kachhap@linaro.org> | ||
| 5 | |||
| 6 | Updated: 12 May 2012 | ||
| 7 | |||
| 8 | Copyright (c) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com) | ||
| 9 | |||
| 10 | 0. Introduction | ||
| 11 | |||
| 12 | The generic cpu cooling(freq clipping) provides registration/unregistration APIs | ||
| 13 | to the caller. The binding of the cooling devices to the trip point is left for | ||
| 14 | the user. The registration APIs returns the cooling device pointer. | ||
| 15 | |||
| 16 | 1. cpu cooling APIs | ||
| 17 | |||
| 18 | 1.1 cpufreq registration/unregistration APIs | ||
| 19 | 1.1.1 struct thermal_cooling_device *cpufreq_cooling_register( | ||
| 20 | struct cpumask *clip_cpus) | ||
| 21 | |||
| 22 | This interface function registers the cpufreq cooling device with the name | ||
| 23 | "thermal-cpufreq-%x". This api can support multiple instances of cpufreq | ||
| 24 | cooling devices. | ||
| 25 | |||
| 26 | clip_cpus: cpumask of cpus where the frequency constraints will happen. | ||
| 27 | |||
| 28 | 1.1.2 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) | ||
| 29 | |||
| 30 | This interface function unregisters the "thermal-cpufreq-%x" cooling device. | ||
| 31 | |||
| 32 | cdev: Cooling device pointer which has to be unregistered. | ||
| @@ -0,0 +1,52 @@ | |||
| 1 | Kernel driver exynos4_tmu | ||
| 2 | ================= | ||
| 3 | |||
| 4 | Supported chips: | ||
| 5 | * ARM SAMSUNG EXYNOS4 series of SoC | ||
| 6 | Prefix: 'exynos4-tmu' | ||
| 7 | Datasheet: Not publicly available | ||
| 8 | |||
| 9 | Authors: Donggeun Kim <dg77.kim@samsung.com> | ||
| 10 | |||
| 11 | Description | ||
| 12 | ----------- | ||
| 13 | |||
| 14 | This driver allows to read temperature inside SAMSUNG EXYNOS4 series of SoC. | ||
| 15 | |||
| 16 | The chip only exposes the measured 8-bit temperature code value | ||
| 17 | through a register. | ||
| 18 | Temperature can be taken from the temperature code. | ||
| 19 | There are three equations converting from temperature to temperature code. | ||
| 20 | |||
| 21 | The three equations are: | ||
| 22 | 1. Two point trimming | ||
| 23 | Tc = (T - 25) * (TI2 - TI1) / (85 - 25) + TI1 | ||
| 24 | |||
| 25 | 2. One point trimming | ||
| 26 | Tc = T + TI1 - 25 | ||
| 27 | |||
| 28 | 3. No trimming | ||
| 29 | Tc = T + 50 | ||
| 30 | |||
| 31 | Tc: Temperature code, T: Temperature, | ||
| 32 | TI1: Trimming info for 25 degree Celsius (stored at TRIMINFO register) | ||
| 33 | Temperature code measured at 25 degree Celsius which is unchanged | ||
| 34 | TI2: Trimming info for 85 degree Celsius (stored at TRIMINFO register) | ||
| 35 | Temperature code measured at 85 degree Celsius which is unchanged | ||
| 36 | |||
| 37 | TMU(Thermal Management Unit) in EXYNOS4 generates interrupt | ||
| 38 | when temperature exceeds pre-defined levels. | ||
| 39 | The maximum number of configurable threshold is four. | ||
| 40 | The threshold levels are defined as follows: | ||
| 41 | Level_0: current temperature > trigger_level_0 + threshold | ||
| 42 | Level_1: current temperature > trigger_level_1 + threshold | ||
| 43 | Level_2: current temperature > trigger_level_2 + threshold | ||
| 44 | Level_3: current temperature > trigger_level_3 + threshold | ||
| 45 | |||
| 46 | The threshold and each trigger_level are set | ||
| 47 | through the corresponding registers. | ||
| 48 | |||
| 49 | When an interrupt occurs, this driver notify kernel thermal framework | ||
| 50 | with the function exynos4_report_trigger. | ||
| 51 | Although an interrupt condition for level_0 can be set, | ||
| 52 | it can be used to synchronize the cooling action. | ||
| @@ -84,7 +84,8 @@ temperature) and throttle appropriate devices. · 83 unmodified lines | |||
| 84 | 84 | ||
| 85 | 1.3 interface for binding a thermal zone device with a thermal cooling device | 85 | 1.3 interface for binding a thermal zone device with a thermal cooling device |
| 86 | 1.3.1 int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, | 86 | 1.3.1 int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz, |
| 87 | int trip, struct thermal_cooling_device *cdev); | 87 | int trip, struct thermal_cooling_device *cdev, |
| 88 | unsigned long upper, unsigned long lower); | ||
| 88 | 89 | ||
| 89 | This interface function bind a thermal cooling device to the certain trip | 90 | This interface function bind a thermal cooling device to the certain trip |
| 90 | point of a thermal zone device. | 91 | point of a thermal zone device. |
| @@ -93,6 +94,12 @@ temperature) and throttle appropriate devices. · 2 unmodified lines | |||
| 93 | cdev: thermal cooling device | 94 | cdev: thermal cooling device |
| 94 | trip: indicates which trip point the cooling devices is associated with | 95 | trip: indicates which trip point the cooling devices is associated with |
| 95 | in this thermal zone. | 96 | in this thermal zone. |
| 97 | upper:the Maximum cooling state for this trip point. | ||
| 98 | THERMAL_NO_LIMIT means no upper limit, | ||
| 99 | and the cooling device can be in max_state. | ||
| 100 | lower:the Minimum cooling state can be used for this trip point. | ||
| 101 | THERMAL_NO_LIMIT means no lower limit, | ||
| 102 | and the cooling device can be in cooling state 0. | ||
| 96 | 103 | ||
| 97 | 1.3.2 int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, | 104 | 1.3.2 int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, |
| 98 | int trip, struct thermal_cooling_device *cdev); | 105 | int trip, struct thermal_cooling_device *cdev); |
| @@ -155,6 +155,9 @@ If the kernel gets fooled in this way, it's almost certain to cause · 154 unmodified lines | |||
| 155 | data corruption and to crash your system. You'll have no one to blame | 155 | data corruption and to crash your system. You'll have no one to blame |
| 156 | but yourself. | 156 | but yourself. |
| 157 | 157 | ||
| 158 | For those devices with avoid_reset_quirk attribute being set, persist | ||
| 159 | maybe fail because they may morph after reset. | ||
| 160 | |||
| 158 | YOU HAVE BEEN WARNED! USE AT YOUR OWN RISK! | 161 | YOU HAVE BEEN WARNED! USE AT YOUR OWN RISK! |
| 159 | 162 | ||
| 160 | That having been said, most of the time there shouldn't be any trouble | 163 | That having been said, most of the time there shouldn't be any trouble |
| @@ -35,3 +35,4 @@ · 34 unmodified lines | |||
| 35 | 34 -> TerraTec Cinergy T PCIe Dual [153b:117e] | 35 | 34 -> TerraTec Cinergy T PCIe Dual [153b:117e] |
| 36 | 35 -> TeVii S471 [d471:9022] | 36 | 35 -> TeVii S471 [d471:9022] |
| 37 | 36 -> Hauppauge WinTV-HVR1255 [0070:2259] | 37 | 36 -> Hauppauge WinTV-HVR1255 [0070:2259] |
| 38 | 37 -> Prof Revolution DVB-S2 8000 [8000:3034] | ||
| @@ -18,7 +18,7 @@ Table of Contents · 17 unmodified lines | |||
| 18 | 18 | ||
| 19 | 1.0 Introduction | 19 | 1.0 Introduction |
| 20 | 20 | ||
| 21 | The file ../../drivers/media/video/c-qcam.c is a device driver for | 21 | The file ../../drivers/media/parport/c-qcam.c is a device driver for |
| 22 | the Logitech (nee Connectix) parallel port interface color CCD camera. | 22 | the Logitech (nee Connectix) parallel port interface color CCD camera. |
| 23 | This is a fairly inexpensive device for capturing images. Logitech | 23 | This is a fairly inexpensive device for capturing images. Logitech |
| 24 | does not currently provide information for developers, but many people | 24 | does not currently provide information for developers, but many people |
| @@ -5,22 +5,22 @@ · 4 unmodified lines | |||
| 5 | File partitioning | 5 | File partitioning |
| 6 | ----------------- | 6 | ----------------- |
| 7 | V4L2 display device driver | 7 | V4L2 display device driver |
| 8 | drivers/media/video/davinci/vpbe_display.c | 8 | drivers/media/platform/davinci/vpbe_display.c |
| 9 | drivers/media/video/davinci/vpbe_display.h | 9 | drivers/media/platform/davinci/vpbe_display.h |
| 10 | 10 | ||
| 11 | VPBE display controller | 11 | VPBE display controller |
| 12 | drivers/media/video/davinci/vpbe.c | 12 | drivers/media/platform/davinci/vpbe.c |
| 13 | drivers/media/video/davinci/vpbe.h | 13 | drivers/media/platform/davinci/vpbe.h |
| 14 | 14 | ||
| 15 | VPBE venc sub device driver | 15 | VPBE venc sub device driver |
| 16 | drivers/media/video/davinci/vpbe_venc.c | 16 | drivers/media/platform/davinci/vpbe_venc.c |
| 17 | drivers/media/video/davinci/vpbe_venc.h | 17 | drivers/media/platform/davinci/vpbe_venc.h |
| 18 | drivers/media/video/davinci/vpbe_venc_regs.h | 18 | drivers/media/platform/davinci/vpbe_venc_regs.h |
| 19 | 19 | ||
| 20 | VPBE osd driver | 20 | VPBE osd driver |
| 21 | drivers/media/video/davinci/vpbe_osd.c | 21 | drivers/media/platform/davinci/vpbe_osd.c |
| 22 | drivers/media/video/davinci/vpbe_osd.h | 22 | drivers/media/platform/davinci/vpbe_osd.h |
| 23 | drivers/media/video/davinci/vpbe_osd_regs.h | 23 | drivers/media/platform/davinci/vpbe_osd_regs.h |
| 24 | 24 | ||
| 25 | Functional partitioning | 25 | Functional partitioning |
| 26 | ----------------------- | 26 | ----------------------- |
| @@ -10,7 +10,7 @@ data from LCD controller (FIMD) through the SoC internal writeback data · 9 unmodified lines | |||
| 10 | path. There are multiple FIMC instances in the SoCs (up to 4), having | 10 | path. There are multiple FIMC instances in the SoCs (up to 4), having |
| 11 | slightly different capabilities, like pixel alignment constraints, rotator | 11 | slightly different capabilities, like pixel alignment constraints, rotator |
| 12 | availability, LCD writeback support, etc. The driver is located at | 12 | availability, LCD writeback support, etc. The driver is located at |
| 13 | drivers/media/video/s5p-fimc directory. | 13 | drivers/media/platform/s5p-fimc directory. |
| 14 | 14 | ||
| 15 | 1. Supported SoCs | 15 | 1. Supported SoCs |
| 16 | ================= | 16 | ================= |
| @@ -36,21 +36,21 @@ Not currently supported: · 19 unmodified lines | |||
| 36 | ===================== | 36 | ===================== |
| 37 | 37 | ||
| 38 | - media device driver | 38 | - media device driver |
| 39 | drivers/media/video/s5p-fimc/fimc-mdevice.[ch] | 39 | drivers/media/platform/s5p-fimc/fimc-mdevice.[ch] |
| 40 | 40 | ||
| 41 | - camera capture video device driver | 41 | - camera capture video device driver |
| 42 | drivers/media/video/s5p-fimc/fimc-capture.c | 42 | drivers/media/platform/s5p-fimc/fimc-capture.c |
| 43 | 43 | ||
| 44 | - MIPI-CSI2 receiver subdev | 44 | - MIPI-CSI2 receiver subdev |
| 45 | drivers/media/video/s5p-fimc/mipi-csis.[ch] | 45 | drivers/media/platform/s5p-fimc/mipi-csis.[ch] |
| 46 | 46 | ||
| 47 | - video post-processor (mem-to-mem) | 47 | - video post-processor (mem-to-mem) |
| 48 | drivers/media/video/s5p-fimc/fimc-core.c | 48 | drivers/media/platform/s5p-fimc/fimc-core.c |
| 49 | 49 | ||
| 50 | - common files | 50 | - common files |
| 51 | drivers/media/video/s5p-fimc/fimc-core.h | 51 | drivers/media/platform/s5p-fimc/fimc-core.h |
| 52 | drivers/media/video/s5p-fimc/fimc-reg.h | 52 | drivers/media/platform/s5p-fimc/fimc-reg.h |
| 53 | drivers/media/video/s5p-fimc/regs-fimc.h | 53 | drivers/media/platform/s5p-fimc/regs-fimc.h |
| 54 | 54 | ||
| 55 | 4. User space interfaces | 55 | 4. User space interfaces |
| 56 | ======================== | 56 | ======================== |
| @@ -12,7 +12,7 @@ Introduction · 11 unmodified lines | |||
| 12 | ============ | 12 | ============ |
| 13 | 13 | ||
| 14 | This file documents the Texas Instruments OMAP 3 Image Signal Processor (ISP) | 14 | This file documents the Texas Instruments OMAP 3 Image Signal Processor (ISP) |
| 15 | driver located under drivers/media/video/omap3isp. The original driver was | 15 | driver located under drivers/media/platform/omap3isp. The original driver was |
| 16 | written by Texas Instruments but since that it has been rewritten (twice) at | 16 | written by Texas Instruments but since that it has been rewritten (twice) at |
| 17 | Nokia. | 17 | Nokia. |
| 18 | 18 | ||
| @@ -136,11 +136,25 @@ Or alternatively for integer menu controls, by calling v4l2_ctrl_new_int_menu: · 135 unmodified lines | |||
| 136 | const struct v4l2_ctrl_ops *ops, | 136 | const struct v4l2_ctrl_ops *ops, |
| 137 | u32 id, s32 max, s32 def, const s64 *qmenu_int); | 137 | u32 id, s32 max, s32 def, const s64 *qmenu_int); |
| 138 | 138 | ||
| 139 | Standard menu controls with a driver specific menu are added by calling | ||
| 140 | v4l2_ctrl_new_std_menu_items: | ||
| 141 | |||
| 142 | struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items( | ||
| 143 | struct v4l2_ctrl_handler *hdl, | ||
| 144 | const struct v4l2_ctrl_ops *ops, u32 id, s32 max, | ||
| 145 | s32 skip_mask, s32 def, const char * const *qmenu); | ||
| 146 | |||
| 139 | These functions are typically called right after the v4l2_ctrl_handler_init: | 147 | These functions are typically called right after the v4l2_ctrl_handler_init: |
| 140 | 148 | ||
| 141 | static const s64 exp_bias_qmenu[] = { | 149 | static const s64 exp_bias_qmenu[] = { |
| 142 | -2, -1, 0, 1, 2 | 150 | -2, -1, 0, 1, 2 |
| 143 | }; | 151 | }; |
| 152 | static const char * const test_pattern[] = { | ||
| 153 | "Disabled", | ||
| 154 | "Vertical Bars", | ||
| 155 | "Solid Black", | ||
| 156 | "Solid White", | ||
| 157 | }; | ||
| 144 | 158 | ||
| 145 | v4l2_ctrl_handler_init(&foo->ctrl_handler, nr_of_controls); | 159 | v4l2_ctrl_handler_init(&foo->ctrl_handler, nr_of_controls); |
| 146 | v4l2_ctrl_new_std(&foo->ctrl_handler, &foo_ctrl_ops, | 160 | v4l2_ctrl_new_std(&foo->ctrl_handler, &foo_ctrl_ops, |
| @@ -156,6 +170,9 @@ These functions are typically called right after the v4l2_ctrl_handler_init: · 9 unmodified lines | |||
| 156 | ARRAY_SIZE(exp_bias_qmenu) - 1, | 170 | ARRAY_SIZE(exp_bias_qmenu) - 1, |
| 157 | ARRAY_SIZE(exp_bias_qmenu) / 2 - 1, | 171 | ARRAY_SIZE(exp_bias_qmenu) / 2 - 1, |
| 158 | exp_bias_qmenu); | 172 | exp_bias_qmenu); |
| 173 | v4l2_ctrl_new_std_menu_items(&foo->ctrl_handler, &foo_ctrl_ops, | ||
| 174 | V4L2_CID_TEST_PATTERN, ARRAY_SIZE(test_pattern) - 1, 0, | ||
| 175 | 0, test_pattern); | ||
| 159 | ... | 176 | ... |
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