From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Verkuil Subject: [PATCH 05/11] linux/cec.h: add pin monitoring API support Date: Tue, 11 Jul 2017 08:30:38 +0200 Message-ID: <20170711063044.29849-6-hverkuil@xs4all.nl> References: <20170711063044.29849-1-hverkuil@xs4all.nl> Return-path: In-Reply-To: <20170711063044.29849-1-hverkuil@xs4all.nl> Sender: linux-media-owner@vger.kernel.org To: linux-media@vger.kernel.org Cc: Maxime Ripard , dri-devel@lists.freedesktop.org, Hans Verkuil List-Id: dri-devel@lists.freedesktop.org From: Hans Verkuil 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 --- 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 44579a24f95d..bba73f33c8aa 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) -- 2.11.0