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64 lines
2.1 KiB
Diff
64 lines
2.1 KiB
Diff
From a4f87eab0b1dc989ec7a92ea660a432880de36b6 Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Tue, 21 Jan 2020 14:06:47 +0000
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Subject: [PATCH 0206/1085] media: uapi: Add MEDIA_BUS_FMT_SENSOR_DATA media
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bus format
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This patch adds MEDIA_BUS_FMT_SENSOR_DATA used by the bcm2835-unicam
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driver to support CSI-2 embedded data streams from camera sensors.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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.../media/v4l/subdev-formats.rst | 32 +++++++++++++++++++
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include/uapi/linux/media-bus-format.h | 3 ++
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2 files changed, 35 insertions(+)
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--- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
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+++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
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@@ -8234,3 +8234,35 @@ The following table lists the existing m
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both sides of the link and the bus format is a fixed
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metadata format that is not configurable from userspace.
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Width and height will be set to 0 for this format.
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+
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+
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+.. _v4l2-mbus-sensor-data:
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+
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+Sensor Ancillary Metadata Formats
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+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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+
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+This section lists ancillary data generated by a camera sensor and
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+transmitted over a stream on the camera bus.
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+
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+The following table lists the existing sensor ancillary metadata formats:
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+
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+
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+.. _v4l2-mbus-pixelcode-sensor-metadata:
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+
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+.. tabularcolumns:: |p{8.0cm}|p{1.4cm}|p{7.7cm}|
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+
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+.. flat-table:: Sensor ancillary metadata formats
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+ :header-rows: 1
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+ :stub-columns: 0
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+
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+ * - Identifier
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+ - Code
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+ - Comments
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+ * .. _MEDIA_BUS_FMT_SENSOR_DATA:
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+
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+ - MEDIA_BUS_FMT_SENSOR_DATA
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+ - 0x7001
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+ - Sensor vendor specific ancillary metadata. Some vendors follow a generic
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+ CSI-2/SMIA embedded data format as described in the `CSI-2 specification.
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+ <https://mipi.org/specifications/csi-2>`_
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+
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--- a/include/uapi/linux/media-bus-format.h
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+++ b/include/uapi/linux/media-bus-format.h
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@@ -173,4 +173,7 @@
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*/
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#define MEDIA_BUS_FMT_METADATA_FIXED 0x7001
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+/* Sensor ancillary metadata formats - next is 0x7002 */
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+#define MEDIA_BUS_FMT_SENSOR_DATA 0x7002
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+
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#endif /* __LINUX_MEDIA_BUS_FORMAT_H */
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