/* SPDX-License-Identifier: GPL-2.0-or-later */#ifndef __SOUND_WAVEFRONT_H__#define __SOUND_WAVEFRONT_H__ /* *  Driver for Turtle Beach Wavefront cards (Maui,Tropez,Tropez+) * *  Copyright (c) by Paul Barton-Davis <pbd@op.net> */ #ifndef NUM_MIDIKEYS #define NUM_MIDIKEYS 128#endif  /* NUM_MIDIKEYS */ #ifndef NUM_MIDICHANNELS#define NUM_MIDICHANNELS 16#endif  /* NUM_MIDICHANNELS */ /* Pseudo-commands not part of the WaveFront command set.   These are used for various driver controls and direct   hardware control. */ #define WFC_DEBUG_DRIVER                0#define WFC_FX_IOCTL                    1#define WFC_PATCH_STATUS                2#define WFC_PROGRAM_STATUS              3#define WFC_SAMPLE_STATUS               4#define WFC_DISABLE_INTERRUPTS          5#define WFC_ENABLE_INTERRUPTS           6#define WFC_INTERRUPT_STATUS            7#define WFC_ROMSAMPLES_RDONLY           8#define WFC_IDENTIFY_SLOT_TYPE          9 /* Wavefront synth commands */ #define WFC_DOWNLOAD_SAMPLE		0x80#define WFC_DOWNLOAD_BLOCK		0x81#define WFC_DOWNLOAD_MULTISAMPLE	0x82#define WFC_DOWNLOAD_SAMPLE_ALIAS	0x83#define WFC_DELETE_SAMPLE		0x84#define WFC_REPORT_FREE_MEMORY		0x85#define WFC_DOWNLOAD_PATCH		0x86#define WFC_DOWNLOAD_PROGRAM		0x87#define WFC_SET_SYNTHVOL		0x89#define WFC_SET_NVOICES			0x8B#define WFC_DOWNLOAD_DRUM		0x90#define WFC_GET_SYNTHVOL		0x92#define WFC_GET_NVOICES			0x94#define WFC_DISABLE_CHANNEL		0x9A#define WFC_ENABLE_CHANNEL		0x9B#define WFC_MISYNTH_OFF			0x9D#define WFC_MISYNTH_ON			0x9E#define WFC_FIRMWARE_VERSION		0x9F#define WFC_GET_NSAMPLES		0xA0#define WFC_DISABLE_DRUM_PROGRAM	0xA2#define WFC_UPLOAD_PATCH		0xA3#define WFC_UPLOAD_PROGRAM		0xA4#define WFC_SET_TUNING			0xA6#define WFC_GET_TUNING			0xA7#define WFC_VMIDI_ON			0xA8#define WFC_VMIDI_OFF			0xA9#define WFC_MIDI_STATUS			0xAA#define WFC_GET_CHANNEL_STATUS		0xAB#define WFC_DOWNLOAD_SAMPLE_HEADER	0xAC#define WFC_UPLOAD_SAMPLE_HEADER	0xAD#define WFC_UPLOAD_MULTISAMPLE		0xAE#define WFC_UPLOAD_SAMPLE_ALIAS		0xAF#define WFC_IDENTIFY_SAMPLE_TYPE	0xB0#define WFC_DOWNLOAD_EDRUM_PROGRAM	0xB1#define WFC_UPLOAD_EDRUM_PROGRAM	0xB2#define WFC_SET_EDRUM_CHANNEL		0xB3#define WFC_INSTOUT_LEVELS		0xB4#define WFC_PEAKOUT_LEVELS		0xB5#define WFC_REPORT_CHANNEL_PROGRAMS	0xB6#define WFC_HARDWARE_VERSION		0xCF#define WFC_UPLOAD_SAMPLE_PARAMS	0xD7#define WFC_DOWNLOAD_OS			0xF1#define WFC_NOOP                        0xFF #define WF_MAX_SAMPLE   512#define WF_MAX_PATCH    256#define WF_MAX_PROGRAM  128 #define WF_SECTION_MAX  44   /* longest OS section length */ /* # of bytes we send to the board when sending it various kinds of   substantive data, such as samples, patches and programs.*/ #define WF_PROGRAM_BYTES 32#define WF_PATCH_BYTES 132#define WF_SAMPLE_BYTES 27#define WF_SAMPLE_HDR_BYTES 25#define WF_ALIAS_BYTES 25#define WF_DRUM_BYTES 9#define WF_MSAMPLE_BYTES 259 /* (MIDI_KEYS * 2) + 3 */ #define WF_ACK     0x80#define WF_DMA_ACK 0x81 /* OR-values for MIDI status bits */ #define WF_MIDI_VIRTUAL_ENABLED 0x1#define WF_MIDI_VIRTUAL_IS_EXTERNAL 0x2#define WF_MIDI_IN_TO_SYNTH_DISABLED 0x4 /* slot indexes for struct address_info: makes code a little more mnemonic */ #define WF_SYNTH_SLOT         0#define WF_INTERNAL_MIDI_SLOT 1#define WF_EXTERNAL_MIDI_SLOT 2 /* Magic MIDI bytes used to switch I/O streams on the ICS2115 MPU401   emulation. Note these NEVER show up in output from the device and   should NEVER be used in input unless Virtual MIDI mode has been    disabled. If they do show up as input, the results are unpredictable.*/ #define WF_EXTERNAL_SWITCH  0xFD#define WF_INTERNAL_SWITCH  0xF9 /* Debugging flags */ #define WF_DEBUG_CMD 0x1#define WF_DEBUG_DATA 0x2#define WF_DEBUG_LOAD_PATCH 0x4#define WF_DEBUG_IO 0x8 /* WavePatch file format stuff */ #define WF_WAVEPATCH_VERSION     120;  /*  Current version number (1.2)  */#define WF_MAX_COMMENT           64    /*  Comment length */#define WF_NUM_LAYERS            4#define WF_NAME_LENGTH           32#define WF_SOURCE_LENGTH         260 #define BankFileID     "Bank"#define DrumkitFileID  "DrumKit"#define ProgramFileID  "Program" struct wf_envelope{    u8 attack_time:7;    u8 Unused1:1;     u8 decay1_time:7;    u8 Unused2:1;     u8 decay2_time:7;    u8 Unused3:1;     u8 sustain_time:7;    u8 Unused4:1;     u8 release_time:7;    u8 Unused5:1;     u8 release2_time:7;    u8 Unused6:1;     s8 attack_level;    s8 decay1_level;    s8 decay2_level;    s8 sustain_level;    s8 release_level;     u8 attack_velocity:7;    u8 Unused7:1;     u8 volume_velocity:7;    u8 Unused8:1;     u8 keyboard_scaling:7;    u8 Unused9:1;};typedef struct wf_envelope wavefront_envelope; struct wf_lfo{    u8 sample_number;     u8 frequency:7;    u8 Unused1:1;     u8 am_src:4;    u8 fm_src:4;     s8 fm_amount;    s8 am_amount;    s8 start_level;    s8 end_level;     u8 ramp_delay:7;    u8 wave_restart:1; /* for LFO2 only */     u8 ramp_time:7;    u8 Unused2:1;};typedef struct wf_lfo wavefront_lfo; struct wf_patch{    s16  frequency_bias;         /*  ** THIS IS IN MOTOROLA FORMAT!! ** */     u8 amplitude_bias:7;    u8 Unused1:1;     u8 portamento:7;    u8 Unused2:1;     u8 sample_number;     u8 pitch_bend:4;    u8 sample_msb:1;    u8 Unused3:3;     u8 mono:1;    u8 retrigger:1;    u8 nohold:1;    u8 restart:1;    u8 filterconfig:2; /* SDK says "not used" */    u8 reuse:1;    u8 reset_lfo:1;         u8 fm_src2:4;    u8 fm_src1:4;        s8 fm_amount1;    s8 fm_amount2;     u8 am_src:4;    u8 Unused4:4;     s8 am_amount;     u8 fc1_mode:4;    u8 fc2_mode:4;     s8 fc1_mod_amount;    s8 fc1_keyboard_scaling;    s8 fc1_bias;    s8 fc2_mod_amount;    s8 fc2_keyboard_scaling;    s8 fc2_bias;     u8 randomizer:7;    u8 Unused5:1;     struct wf_envelope envelope1;    struct wf_envelope envelope2;    struct wf_lfo lfo1;    struct wf_lfo lfo2;};typedef struct wf_patch wavefront_patch; struct wf_layer{    u8 patch_number;     u8 mix_level:7;    u8 mute:1;     u8 split_point:7;    u8 play_below:1;     u8 pan_mod_src:2;    u8 pan_or_mod:1;    u8 pan:4;    u8 split_type:1;};typedef struct wf_layer wavefront_layer; struct wf_program{    struct wf_layer layer[WF_NUM_LAYERS];};typedef struct wf_program wavefront_program; struct wf_sample_offset{    s32 Fraction:4;    s32 Integer:20;    s32 Unused:8;};typedef struct wf_sample_offset wavefront_sample_offset;               /* Sample slot types */ #define WF_ST_SAMPLE      0#define WF_ST_MULTISAMPLE 1#define WF_ST_ALIAS       2#define WF_ST_EMPTY       3 /* pseudo's */ #define WF_ST_DRUM        4#define WF_ST_PROGRAM     5#define WF_ST_PATCH       6#define WF_ST_SAMPLEHDR   7 #define WF_ST_MASK        0xf /* Flags for slot status. These occupy the upper bits of the same byte   as a sample type.*/ #define WF_SLOT_USED      0x80   /* XXX don't rely on this being accurate */#define WF_SLOT_FILLED    0x40#define WF_SLOT_ROM       0x20 #define WF_SLOT_MASK      0xf0 /* channel constants */ #define WF_CH_MONO  0#define WF_CH_LEFT  1#define WF_CH_RIGHT 2 /* Sample formats */ #define LINEAR_16BIT 0#define WHITE_NOISE  1#define LINEAR_8BIT  2#define MULAW_8BIT   3 #define WF_SAMPLE_IS_8BIT(smpl) ((smpl)->SampleResolution&2)  /*    Because most/all of the sample data we pass in via pointers has  never been copied (just mmap-ed into user space straight from the  disk), it would be nice to allow handling of multi-channel sample  data without forcing user-level extraction of the relevant bytes.    So, we need a way of specifying which channel to use (the WaveFront  only handles mono samples in a given slot), and the only way to do  this without using some struct other than wavefront_sample as the  interface is the awful hack of using the unused bits in a  wavefront_sample:    Val      Meaning  ---      -------  0        no channel selection (use channel 1, sample is MONO)  1        use first channel, and skip one  2        use second channel, and skip one  3        use third channel, and skip two  4        use fourth channel, skip three  5        use fifth channel, skip four  6        use six channel, skip five    This can handle up to 4 channels, and anyone downloading >4 channels  of sample data just to select one of them needs to find some tools  like sox ...   NOTE: values 0, 1 and 2 correspond to WF_CH_* above. This is   important. */ #define WF_SET_CHANNEL(samp,chn) \ (samp)->Unused1 = chn & 0x1; \ (samp)->Unused2 = chn & 0x2; \ (samp)->Unused3 = chn & 0x4   #define WF_GET_CHANNEL(samp) \  (((samp)->Unused3 << 2)|((samp)->Unused2<<1)|(samp)->Unused1)  typedef struct wf_sample {    struct wf_sample_offset sampleStartOffset;    struct wf_sample_offset loopStartOffset;    struct wf_sample_offset loopEndOffset;    struct wf_sample_offset sampleEndOffset;    s16 FrequencyBias;    u8 SampleResolution:2;  /* sample_format */    u8 Unused1:1;    u8 Loop:1;    u8 Bidirectional:1;    u8 Unused2:1;    u8 Reverse:1;    u8 Unused3:1;} wavefront_sample; typedef struct wf_multisample {    s16 NumberOfSamples;   /* log2 of the number of samples */    s16 SampleNumber[NUM_MIDIKEYS];} wavefront_multisample; typedef struct wf_alias {    s16 OriginalSample;     struct wf_sample_offset sampleStartOffset;    struct wf_sample_offset loopStartOffset;    struct wf_sample_offset sampleEndOffset;    struct wf_sample_offset loopEndOffset;     s16  FrequencyBias;     u8 SampleResolution:2;    u8 Unused1:1;    u8 Loop:1;    u8 Bidirectional:1;    u8 Unused2:1;    u8 Reverse:1;    u8 Unused3:1;        /* This structure is meant to be padded only to 16 bits on their       original. Of course, whoever wrote their documentation didn't       realize that sizeof(struct) can be >=       sum(sizeof(struct-fields)) and so thought that giving a C level       description of the structs used in WavePatch files was       sufficient. I suppose it was, as long as you remember the        standard 16->32 bit issues.    */     u8 sixteen_bit_padding;} __packed wavefront_alias; typedef struct wf_drum {    u8 PatchNumber;    u8 MixLevel:7;    u8 Unmute:1;    u8 Group:4;    u8 Unused1:4;    u8 PanModSource:2;    u8 PanModulated:1;    u8 PanAmount:4;    u8 Unused2:1;} wavefront_drum; typedef struct wf_drumkit {    struct wf_drum drum[NUM_MIDIKEYS];} wavefront_drumkit; typedef struct wf_channel_programs {    u8 Program[NUM_MIDICHANNELS];} wavefront_channel_programs; /* How to get MIDI channel status from the data returned by   a WFC_GET_CHANNEL_STATUS command (a struct wf_channel_programs)*/ #define WF_CHANNEL_STATUS(ch,wcp) (wcp)[(ch/7)] & (1<<((ch)%7)) typedef union wf_any {    wavefront_sample s;    wavefront_multisample ms;    wavefront_alias a;    wavefront_program pr;    wavefront_patch p;    wavefront_drum d;} wavefront_any; /* Hannu Solvainen hoped that his "patch_info" struct in soundcard.h   might work for other wave-table based patch loading situations.   Alas, his fears were correct. The WaveFront doesn't even come with   just "patches", but several different kind of structures that   control the sound generation process. */ typedef struct wf_patch_info {        /* the first two fields are used by the OSS "patch loading" interface       only, and are unused by the current user-level library.    */     s16   key;               /* Use WAVEFRONT_PATCH here */    u16  devno;             /* fill in when sending */    u8  subkey;            /* WF_ST_{SAMPLE,ALIAS,etc.} */ #define WAVEFRONT_FIND_FREE_SAMPLE_SLOT 999     u16  number;            /* patch/sample/prog number */     u32  size;              /* size of any data included in 				  one of the fields in `hdrptr', or				  as `dataptr'. 				  NOTE: for actual samples, this is				  the size of the *SELECTED CHANNEL*				  even if more data is actually available.				  				  So, a stereo sample (2 channels) of				  6000 bytes total has `size' = 3000. 				  See the macros and comments for				  WF_{GET,SET}_CHANNEL above. 			       */    wavefront_any __user *hdrptr;      /* user-space ptr to hdr bytes */    u16 __user *dataptr;            /* actual sample data */     wavefront_any hdr;          /* kernel-space copy of hdr bytes */         } wavefront_patch_info; /* The maximum number of bytes we will ever move to or from user space   in response to a WFC_* command.  This obviously doesn't cover

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