diff options
| author | Robert Morell <rmorell@nvidia.com> | 2011-03-03 15:02:53 -0800 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:48:12 -0800 |
| commit | 384b754c2f3c70c15da177c8b11a0a51f23c76fc (patch) | |
| tree | 50765782b4804e87d9bb587479aceff7965bc652 /include/video | |
| parent | 63a79e26218daabc625acf3a21224be2ad6624ed (diff) | |
video: tegra: Add control device to dc extension driver
This device exposes control over everything that's not specific to one
of T20's two display controllers. It supports:
- output devices
- event delivery
- hotplug events
bug 818525
Original-Change-Id: I3a46f1dddc483b08ed3ee91a4f9c64111c1fd7eb
Signed-off-by: Robert Morell <rmorell@nvidia.com>
Reviewed-on: http://git-master/r/40520
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Rebase-Id: R9e49fe41f3327b797ec65c3729f4f94edbb45307
Diffstat (limited to 'include/video')
| -rw-r--r-- | include/video/tegra_dc_ext.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/video/tegra_dc_ext.h b/include/video/tegra_dc_ext.h index f9935ef8c04f..6f43ee689b26 100644 --- a/include/video/tegra_dc_ext.h +++ b/include/video/tegra_dc_ext.h @@ -25,6 +25,7 @@ # include <linux/time.h> #else # include <time.h> +# include <unistd.h> #endif #define TEGRA_DC_EXT_FMT_P1 0 @@ -145,4 +146,46 @@ struct tegra_dc_ext_cursor { #define TEGRA_DC_EXT_SET_CURSOR \ _IOW('D', 0x07, struct tegra_dc_ext_cursor) + +enum tegra_dc_ext_control_output_type { + TEGRA_DC_EXT_DSI, + TEGRA_DC_EXT_LVDS, + TEGRA_DC_EXT_VGA, + TEGRA_DC_EXT_HDMI, + TEGRA_DC_EXT_DVI, +}; + +struct tegra_dc_ext_control_output_properties { + __u32 handle; + enum tegra_dc_ext_control_output_type type; + __u32 connected; + __s32 associated_head; +}; + +struct tegra_dc_ext_control_output_edid { + __u32 handle; + __u32 size; + void *data; +}; + +struct tegra_dc_ext_event { + __u32 type; + ssize_t data_size; + char data[0]; +}; + +#define TEGRA_DC_EXT_EVENT_HOTPLUG 0x1 +struct tegra_dc_ext_control_event_hotplug { + __u32 handle; +}; + +#define TEGRA_DC_EXT_CONTROL_GET_NUM_OUTPUTS \ + _IOR('C', 0x00, __u32) +#define TEGRA_DC_EXT_CONTROL_GET_OUTPUT_PROPERTIES \ + _IOWR('C', 0x01, struct tegra_dc_ext_control_output_properties) +#define TEGRA_DC_EXT_CONTROL_GET_OUTPUT_EDID \ + _IOWR('C', 0x02, struct tegra_dc_ext_control_output_edid) +#define TEGRA_DC_EXT_CONTROL_SET_EVENT_MASK \ + _IOW('C', 0x03, __u32) + #endif /* __TEGRA_DC_EXT_H */ |