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media: linux/cec.h: add pin monitoring API support

Add support for low-level CEC pin monitoring. This adds a new monitor mode, a new capability and two new events.

Hans Verkuil committed 9 years ago

Commit 6303d971 parent f987cde1 file · +5 −0Browse files

Showing the changes to include/uapi/linux (1 of 1 file). Show all

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include/uapi/linux/cec.h+5−0
@@ -318,6 +318,7 @@ static inline int cec_is_unconfigured(__u16 log_addr_mask) · 317 unmodified lines
318#define CEC_MODE_FOLLOWER (0x1 << 4)318#define CEC_MODE_FOLLOWER (0x1 << 4)
319#define CEC_MODE_EXCL_FOLLOWER (0x2 << 4)319#define CEC_MODE_EXCL_FOLLOWER (0x2 << 4)
320#define CEC_MODE_EXCL_FOLLOWER_PASSTHRU (0x3 << 4)320#define CEC_MODE_EXCL_FOLLOWER_PASSTHRU (0x3 << 4)
321#define CEC_MODE_MONITOR_PIN (0xd << 4)
321#define CEC_MODE_MONITOR (0xe << 4)322#define CEC_MODE_MONITOR (0xe << 4)
322#define CEC_MODE_MONITOR_ALL (0xf << 4)323#define CEC_MODE_MONITOR_ALL (0xf << 4)
323#define CEC_MODE_FOLLOWER_MSK 0xf0324#define CEC_MODE_FOLLOWER_MSK 0xf0
@@ -338,6 +339,8 @@ static inline int cec_is_unconfigured(__u16 log_addr_mask) · 14 unmodified lines
338#define CEC_CAP_MONITOR_ALL (1 << 5)339#define CEC_CAP_MONITOR_ALL (1 << 5)
339/* Hardware can use CEC only if the HDMI HPD pin is high. */340/* Hardware can use CEC only if the HDMI HPD pin is high. */
340#define CEC_CAP_NEEDS_HPD (1 << 6)341#define CEC_CAP_NEEDS_HPD (1 << 6)
342/* Hardware can monitor CEC pin transitions */
343#define CEC_CAP_MONITOR_PIN (1 << 7)
341 344
342/**345/**
343 * struct cec_caps - CEC capabilities structure.346 * struct cec_caps - CEC capabilities structure.
@@ -405,6 +408,8 @@ struct cec_log_addrs { · 61 unmodified lines
405 * didn't empty the message queue in time408 * didn't empty the message queue in time
406 */409 */
407#define CEC_EVENT_LOST_MSGS 2410#define CEC_EVENT_LOST_MSGS 2
411#define CEC_EVENT_PIN_LOW 3
412#define CEC_EVENT_PIN_HIGH 4
408 413
409#define CEC_EVENT_FL_INITIAL_STATE (1 << 0)414#define CEC_EVENT_FL_INITIAL_STATE (1 << 0)
410 415