target/linux/bcm27xx/patches-5.10/950-0211-media-uapi-Add-MEDIA_BUS_FMT_SENSOR_DATA-media-bus-f.patch

   1 From 6c8bd941bfcbb6fc4f6b4f8261aa03f280e80f20 Mon Sep 17 00:00:00 2001
   2 From: Naushir Patuck <naush@raspberrypi.com>
   3 Date: Tue, 21 Jan 2020 14:06:47 +0000
   4 Subject: [PATCH] media: uapi: Add MEDIA_BUS_FMT_SENSOR_DATA media bus
   5  format
   6
   7 This patch adds MEDIA_BUS_FMT_SENSOR_DATA used by the bcm2835-unicam
   8 driver to support CSI-2 embedded data streams from camera sensors.
   9
  10 Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
  11 ---
  12  .../media/v4l/subdev-formats.rst              | 33 +++++++++++++++++++
  13  include/uapi/linux/media-bus-format.h         |  3 ++
  14  2 files changed, 36 insertions(+)
  15
  16 --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
  17 +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
  18 @@ -7899,3 +7899,36 @@ formats.
  19        - 0x5001
  20        - Interleaved raw UYVY and JPEG image format with embedded meta-data
  21         used by Samsung S3C73MX camera sensors.
  22 +
  23 +
  24 +
  25 +.. _v4l2-mbus-sensor-data:
  26 +
  27 +Sensor Ancillary Metadata Formats
  28 +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  29 +
  30 +This section lists ancillary data generated by a camera sensor and
  31 +transmitted over a stream on the camera bus.
  32 +
  33 +The following table lists the existing sensor ancillary metadata formats:
  34 +
  35 +
  36 +.. _v4l2-mbus-pixelcode-sensor-metadata:
  37 +
  38 +.. tabularcolumns:: |p{8.0cm}|p{1.4cm}|p{7.7cm}|
  39 +
  40 +.. flat-table:: Sensor ancillary metadata formats
  41 +    :header-rows:  1
  42 +    :stub-columns: 0
  43 +
  44 +    * - Identifier
  45 +      - Code
  46 +      - Comments
  47 +    * .. _MEDIA_BUS_FMT_SENSOR_DATA:
  48 +
  49 +      - MEDIA_BUS_FMT_SENSOR_DATA
  50 +      - 0x7001
  51 +      - Sensor vendor specific ancillary metadata. Some vendors follow a generic
  52 +        CSI-2/SMIA embedded data format as described in the `CSI-2 specification.
  53 +       <https://mipi.org/specifications/csi-2>`_
  54 +
  55 --- a/include/uapi/linux/media-bus-format.h
  56 +++ b/include/uapi/linux/media-bus-format.h
  57 @@ -156,4 +156,7 @@
  58  /* HSV - next is       0x6002 */
  59  #define MEDIA_BUS_FMT_AHSV8888_1X32            0x6001
  60
  61 +/* Sensor ancillary metadata formats - next is 0x7002 */
  62 +#define MEDIA_BUS_FMT_SENSOR_DATA              0x7001
  63 +
  64  #endif /* __LINUX_MEDIA_BUS_FORMAT_H */