From 6303d97873d340e89acdef12effb66f88d79836f Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 11 Jul 2017 03:30:38 -0300 Subject: [PATCH] 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. Signed-off-by: Hans Verkuil Reviewed-by: Maxime Ripard Signed-off-by: Mauro Carvalho Chehab --- include/uapi/linux/cec.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h index 44579a2..bba73f3 100644 --- a/include/uapi/linux/cec.h +++ b/include/uapi/linux/cec.h @@ -318,6 +318,7 @@ static inline int cec_is_unconfigured(__u16 log_addr_mask) #define CEC_MODE_FOLLOWER (0x1 << 4) #define CEC_MODE_EXCL_FOLLOWER (0x2 << 4) #define CEC_MODE_EXCL_FOLLOWER_PASSTHRU (0x3 << 4) +#define CEC_MODE_MONITOR_PIN (0xd << 4) #define CEC_MODE_MONITOR (0xe << 4) #define CEC_MODE_MONITOR_ALL (0xf << 4) #define CEC_MODE_FOLLOWER_MSK 0xf0 @@ -338,6 +339,8 @@ static inline int cec_is_unconfigured(__u16 log_addr_mask) #define CEC_CAP_MONITOR_ALL (1 << 5) /* Hardware can use CEC only if the HDMI HPD pin is high. */ #define CEC_CAP_NEEDS_HPD (1 << 6) +/* Hardware can monitor CEC pin transitions */ +#define CEC_CAP_MONITOR_PIN (1 << 7) /** * struct cec_caps - CEC capabilities structure. @@ -405,6 +408,8 @@ struct cec_log_addrs { * didn't empty the message queue in time */ #define CEC_EVENT_LOST_MSGS 2 +#define CEC_EVENT_PIN_LOW 3 +#define CEC_EVENT_PIN_HIGH 4 #define CEC_EVENT_FL_INITIAL_STATE (1 << 0) -- 2.7.4