[PATCHv13 11/17] v4l2-subdev: add HDMI CEC ops

Hans Verkuil
2016-03-18T14:18:00Z

Add CEC callbacks to the new v4l2_subdev_cec_ops struct. These are the
low-level CEC ops that subdevs that support CEC have to implement.

Signed-off-by: Hans Verkuil <hansverk@cisco.com>
[k.debski@samsung.com: Merged changes from CEC Updates commit by Hans Verkuil]
Signed-off-by: Kamil Debski <kamil@wypas.org>
---
include/media/v4l2-subdev.h | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 11e2dfe..78edf25 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -42,6 +42,18 @@

#define V4L2_DEVICE_NOTIFY_EVENT _IOW('v', 2, struct v4l2_event)

+struct v4l2_subdev_cec_tx_done {
+ u8 status;
+ u8 arb_lost_cnt;
+ u8 nack_cnt;
+ u8 low_drive_cnt;
+ u8 error_cnt;
+};
+
+#define V4L2_SUBDEV_CEC_TX_DONE _IOW('v', 3, struct v4l2_subdev_cec_tx_done)
+#define V4L2_SUBDEV_CEC_RX_MSG _IOW('v', 4, struct cec_msg)
+#define V4L2_SUBDEV_CEC_CONN_INPUTS _IOW('v', 5, u16)
+
struct v4l2_device;
struct v4l2_ctrl_handler;
struct v4l2_event;
@@ -51,6 +63,7 @@ struct v4l2_subdev;
struct v4l2_subdev_fh;
struct tuner_setup;
struct v4l2_mbus_frame_desc;
+struct cec_msg;

/* decode_vbi_line */
struct v4l2_decode_vbi_line {
@@ -645,6 +658,14 @@ struct v4l2_subdev_pad_ops {
struct v4l2_mbus_frame_desc *fd);
};

+struct v4l2_subdev_cec_ops {
+ unsigned (*adap_available_log_addrs)(struct v4l2_subdev *sd);
+ int (*adap_enable)(struct v4l2_subdev *sd, bool enable);
+ int (*adap_log_addr)(struct v4l2_subdev *sd, u8 logical_addr);
+ int (*adap_transmit)(struct v4l2_subdev *sd, u8 attempts,
+ u32 signal_free_time, struct cec_msg *msg);
+};
+
struct v4l2_subdev_ops {
const struct v4l2_subdev_core_ops *core;
const struct v4l2_subdev_tuner_ops *tuner;
@@ -654,6 +675,7 @@ struct v4l2_subdev_ops {
const struct v4l2_subdev_ir_ops *ir;
const struct v4l2_subdev_sensor_ops *sensor;
const struct v4l2_subdev_pad_ops *pad;
+ const struct v4l2_subdev_cec_ops *cec;
};

/*
--
2.7.0