git.openwrt.org Git - openwrt/staging/neocturne.git/blob

   1 From defe535a8dd73134a798afd968195af3a0533b0d 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              | 32 +++++++++++++++++++
  13  include/uapi/linux/media-bus-format.h         |  3 ++
  14  2 files changed, 35 insertions(+)
  15
  16 --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
  17 +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
  18 @@ -8086,3 +8086,35 @@ The following table lists the existing m
  19         both sides of the link and the bus format is a fixed
  20         metadata format that is not configurable from userspace.
  21         Width and height will be set to 0 for this format.
  22 +
  23 +
  24 +.. _v4l2-mbus-sensor-data:
  25 +
  26 +Sensor Ancillary Metadata Formats
  27 +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  28 +
  29 +This section lists ancillary data generated by a camera sensor and
  30 +transmitted over a stream on the camera bus.
  31 +
  32 +The following table lists the existing sensor ancillary metadata formats:
  33 +
  34 +
  35 +.. _v4l2-mbus-pixelcode-sensor-metadata:
  36 +
  37 +.. tabularcolumns:: |p{8.0cm}|p{1.4cm}|p{7.7cm}|
  38 +
  39 +.. flat-table:: Sensor ancillary metadata formats
  40 +    :header-rows:  1
  41 +    :stub-columns: 0
  42 +
  43 +    * - Identifier
  44 +      - Code
  45 +      - Comments
  46 +    * .. _MEDIA_BUS_FMT_SENSOR_DATA:
  47 +
  48 +      - MEDIA_BUS_FMT_SENSOR_DATA
  49 +      - 0x7001
  50 +      - Sensor vendor specific ancillary metadata. Some vendors follow a generic
  51 +        CSI-2/SMIA embedded data format as described in the `CSI-2 specification.
  52 +       <https://mipi.org/specifications/csi-2>`_
  53 +
  54 --- a/include/uapi/linux/media-bus-format.h
  55 +++ b/include/uapi/linux/media-bus-format.h
  56 @@ -172,4 +172,7 @@
  57   */
  58  #define MEDIA_BUS_FMT_METADATA_FIXED           0x7001
  59
  60 +/* Sensor ancillary metadata formats - next is 0x7002 */
  61 +#define MEDIA_BUS_FMT_SENSOR_DATA              0x7002
  62 +
  63  #endif /* __LINUX_MEDIA_BUS_FORMAT_H */