From 65573c84d5a9115444cc5e365c94cb3ae0fb7e10 Mon Sep 17 00:00:00 2001 From: Naushir Patuck Date: Tue, 21 Jan 2020 14:06:47 +0000 Subject: [PATCH] media: uapi: Add MEDIA_BUS_FMT_SENSOR_DATA media bus format This patch adds MEDIA_BUS_FMT_SENSOR_DATA used by the bcm2835-unicam driver to support CSI-2 embedded data streams from camera sensors. Signed-off-by: Naushir Patuck --- .../media/uapi/v4l/subdev-formats.rst | 33 +++++++++++++++++++ include/uapi/linux/media-bus-format.h | 3 ++ 2 files changed, 36 insertions(+) --- a/Documentation/media/uapi/v4l/subdev-formats.rst +++ b/Documentation/media/uapi/v4l/subdev-formats.rst @@ -7821,3 +7821,35 @@ The following table lists the existing m both sides of the link and the bus format is a fixed metadata format that is not configurable from userspace. Width and height will be set to 0 for this format. + + +.. _v4l2-mbus-sensor-data: + +Sensor Ancillary Metadata Formats +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This section lists ancillary data generated by a camera sensor and +transmitted over a stream on the camera bus. + +The following table lists the existing sensor ancillary metadata formats: + + +.. _v4l2-mbus-pixelcode-sensor-metadata: + +.. tabularcolumns:: |p{8.0cm}|p{1.4cm}|p{7.7cm}| + +.. flat-table:: Sensor ancillary metadata formats + :header-rows: 1 + :stub-columns: 0 + + * - Identifier + - Code + - Comments + * .. _MEDIA_BUS_FMT_SENSOR_DATA: + + - MEDIA_BUS_FMT_SENSOR_DATA + - 0x7001 + - Sensor vendor specific ancillary metadata. Some vendors follow a generic + CSI-2/SMIA embedded data format as described in the `CSI-2 specification. + `_ + --- a/include/uapi/linux/media-bus-format.h +++ b/include/uapi/linux/media-bus-format.h @@ -163,4 +163,7 @@ */ #define MEDIA_BUS_FMT_METADATA_FIXED 0x7001 +/* Sensor ancillary metadata formats - next is 0x7002 */ +#define MEDIA_BUS_FMT_SENSOR_DATA 0x7002 + #endif /* __LINUX_MEDIA_BUS_FORMAT_H */