Add a media bus code for ov2740 camera sensor embedded data and document it. Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> Reviewed-by: Julien Massot <julien.massot@xxxxxxxxxxxxx> --- .../media/v4l/subdev-formats.rst | 70 +++++++++++++++++++ include/uapi/linux/media-bus-format.h | 3 +- 2 files changed, 72 insertions(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst index a04756092238..c99b58cb8c7b 100644 --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst @@ -8596,3 +8596,73 @@ This mbus code are only used for "2-byte simplified tagged data format" (code embedded data format codes. Also see :ref:`CCS driver documentation <media-ccs-routes>`. + +Omnivision OV2740 Embedded Data Format +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Omnivision OV2740 camera sensor produces the following embedded data format, +indicated by mbus code MEDIA_BUS_FMT_OV2740_EMBEDDED. The format conforms to +:ref:`CCS embedded data format <MEDIA-BUS-FMT-CCS-EMBEDDED>` up to level 1. + +.. flat-table:: Omnivision OV2740 Embedded Data Format. Octets at indices marked + reserved or unused have been omitted from the table. The values + are big endian byte order. + :header-rows: 1 + + * - Offset + - Size in bits (active bits if not the same as size) + - Content description + * - 4 + - 16 (10--0) + - Analogue gain + * - 6 + - 16 + - Coarse integration time + * - 10 + - 8 + - Dpc correction threshold + * - 15 + - 16 + - Output image width + * - 17 + - 16 + - Output image height + * - 23 + - 8 + - MIPI header revision number (2) + * - 31 + - 8 + - Vertical (bit 1) and horizontal flip (bit 0) + * - 32 + - 8 + - Frame duration A + * - 33 + - 8 + - Frame duration B + * - 34 + - 8 + - Context count (2) + * - 35 + - 8 + - Context select + * - 54 + - 8 + - Data pedestal bits 9--2 + * - 63 + - 8 + - Frame average bits 9--2 + * - 64 + - 16 + - Digital gain red + * - 66 + - 16 + - Digital gain greenr + * - 68 + - 16 + - Digital gain blue + * - 70 + - 16 + - Digital gain greenb + * - 89 + - 8 + - Frame counter (starts at 1, wraps to 0 after 255) diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h index 03f7e9ab517b..13e68c2ccb61 100644 --- a/include/uapi/linux/media-bus-format.h +++ b/include/uapi/linux/media-bus-format.h @@ -183,7 +183,8 @@ #define MEDIA_BUS_FMT_META_20 0x8006 #define MEDIA_BUS_FMT_META_24 0x8007 -/* Specific metadata formats. Next is 0x9002. */ +/* Specific metadata formats. Next is 0x9003. */ #define MEDIA_BUS_FMT_CCS_EMBEDDED 0x9001 +#define MEDIA_BUS_FMT_OV2740_EMBEDDED 0x9002 #endif /* __LINUX_MEDIA_BUS_FORMAT_H */ -- 2.39.2
