diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2016-02-05 12:44:21 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-06-28 11:31:16 -0300 |
| commit | 6f8adea2b64f7e1215a99935ea079284488736d5 (patch) | |
| tree | f941ecbeea7f62f85abf8345581e1823b1bd02f6 /drivers/media/platform/vivid/vivid-core.h | |
| parent | 1bcbf6f4b6b050eaf8f1fb1adf5c4779a3623c5b (diff) | |
[media] vivid: add CEC emulation
The vivid driver has been extended to provide CEC adapters for the HDMI
input and HDMI outputs in order to test CEC applications.
This CEC emulation is faithful to the CEC timings (i.e., it all at a
snail's pace).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/vivid/vivid-core.h')
| -rw-r--r-- | drivers/media/platform/vivid/vivid-core.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h index 776783bec227..a7daa40d0a49 100644 --- a/drivers/media/platform/vivid/vivid-core.h +++ b/drivers/media/platform/vivid/vivid-core.h @@ -21,6 +21,8 @@ #define _VIVID_CORE_H_ #include <linux/fb.h> +#include <linux/workqueue.h> +#include <media/cec.h> #include <media/videobuf2-v4l2.h> #include <media/v4l2-device.h> #include <media/v4l2-dev.h> @@ -132,6 +134,17 @@ enum vivid_colorspace { #define VIVID_INVALID_SIGNAL(mode) \ ((mode) == NO_SIGNAL || (mode) == NO_LOCK || (mode) == OUT_OF_RANGE) +struct vivid_cec_work { + struct list_head list; + struct delayed_work work; + struct cec_adapter *adap; + struct vivid_dev *dev; + unsigned int usecs; + unsigned int timeout_ms; + u8 tx_status; + struct cec_msg msg; +}; + struct vivid_dev { unsigned inst; struct v4l2_device v4l2_dev; @@ -497,6 +510,20 @@ struct vivid_dev { /* Shared between radio receiver and transmitter */ bool radio_rds_loop; struct timespec radio_rds_init_ts; + + /* CEC */ + struct cec_adapter *cec_rx_adap; + struct cec_adapter *cec_tx_adap[MAX_OUTPUTS]; + struct workqueue_struct *cec_workqueue; + spinlock_t cec_slock; + struct list_head cec_work_list; + unsigned int cec_xfer_time_jiffies; + unsigned long cec_xfer_start_jiffies; + u8 cec_output2bus_map[MAX_OUTPUTS]; + + /* CEC OSD String */ + char osd[14]; + unsigned long osd_jiffies; }; static inline bool vivid_is_webcam(const struct vivid_dev *dev) |