diff options
Diffstat (limited to 'include/video_bridge.h')
| -rw-r--r-- | include/video_bridge.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/video_bridge.h b/include/video_bridge.h index 3b429eac578..00e9804565c 100644 --- a/include/video_bridge.h +++ b/include/video_bridge.h @@ -54,6 +54,19 @@ struct video_bridge_ops { int (*set_backlight)(struct udevice *dev, int percent); /** + * get_display_timing() - Get display timings from bridge. + * + * @dev: Bridge device containing the linked display timings + * @tim: Place to put timings + * @return 0 if OK, -ve on error + * + * This call it totally optional and useful mainly for integrated + * bridges with fixed output device. + */ + int (*get_display_timing)(struct udevice *dev, + struct display_timing *timing); + + /** * read_edid() - Read information from EDID * * @dev: Device to read from @@ -67,6 +80,7 @@ struct video_bridge_ops { #define video_bridge_get_ops(dev) \ ((struct video_bridge_ops *)(dev)->driver->ops) +#if CONFIG_IS_ENABLED(VIDEO_BRIDGE) /** * video_bridge_attach() - attach a video bridge * @@ -99,6 +113,14 @@ int video_bridge_set_active(struct udevice *dev, bool active); int video_bridge_check_attached(struct udevice *dev); /** + * video_bridge_get_display_timing() - Get display timings from bridge. + * + * @dev: Bridge device containing the linked display timings + * Return: 0 if OK, -ve on error + */ +int video_bridge_get_display_timing(struct udevice *dev, + struct display_timing *timing); +/** * video_bridge_read_edid() - Read information from EDID * * @dev: Device to read from @@ -107,5 +129,37 @@ int video_bridge_check_attached(struct udevice *dev); * Return: number of bytes read, <=0 for error */ int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size); +#else +static inline int video_bridge_attach(struct udevice *dev) +{ + return -ENOSYS; +} + +static inline int video_bridge_set_backlight(struct udevice *dev, int percent) +{ + return -ENOSYS; +} + +static inline int video_bridge_set_active(struct udevice *dev, bool active) +{ + return -ENOSYS; +} + +static inline int video_bridge_check_attached(struct udevice *dev) +{ + return -ENOSYS; +} + +static inline int video_bridge_get_display_timing(struct udevice *dev, + struct display_timing *timing) +{ + return -ENOSYS; +} + +static inline int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size) +{ + return -ENOSYS; +} +#endif /* CONFIG_VIDEO_BRIDGE */ #endif |