difos/target/linux/bcm27xx/patches-5.4/950-0642-media-uapi-Add-MEDIA_BUS_FMT_SENSOR_DATA-media-bus-f.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

64 lines
2 KiB
Diff

From 65573c84d5a9115444cc5e365c94cb3ae0fb7e10 Mon Sep 17 00:00:00 2001
From: Naushir Patuck <naush@raspberrypi.com>
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 <naush@raspberrypi.com>
---
.../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
@@ -7794,3 +7794,36 @@ formats.
- 0x5001
- Interleaved raw UYVY and JPEG image format with embedded meta-data
used by Samsung S3C73MX camera sensors.
+
+
+
+.. _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.
+ <https://mipi.org/specifications/csi-2>`_
+
--- a/include/uapi/linux/media-bus-format.h
+++ b/include/uapi/linux/media-bus-format.h
@@ -155,4 +155,7 @@
/* HSV - next is 0x6002 */
#define MEDIA_BUS_FMT_AHSV8888_1X32 0x6001
+/* Sensor ancillary metadata formats - next is 0x7002 */
+#define MEDIA_BUS_FMT_SENSOR_DATA 0x7001
+
#endif /* __LINUX_MEDIA_BUS_FORMAT_H */