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[v2,1/5] media: uapi: Add MEDIA_BUS_FMT_RGB202020_1X60 format code

Message ID 20240214141906.245685-2-dan.scally@ideasonboard.com
State Superseded
Headers show
Series [v2,1/5] media: uapi: Add MEDIA_BUS_FMT_RGB202020_1X60 format code | expand

Commit Message

Daniel Scally Feb. 14, 2024, 2:19 p.m. UTC 
The Mali-C55 ISP by ARM requires 20-bits per colour channel input on
the bus. Add a new media bus format code to represent it.

Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
---
Changes in v2:

	- none

 .../media/v4l/subdev-formats.rst              | 168 ++++++++++++++++++
 include/uapi/linux/media-bus-format.h         |   3 +-
 2 files changed, 170 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst
index eb3cd20b0cf2..269b61926855 100644
--- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
+++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
@@ -2223,6 +2223,174 @@  The following table list existing packed 48bit wide RGB formats.
 
     \endgroup
 
+The following table list existing packed 60bit wide RGB formats.
+
+.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
+
+.. _v4l2-mbus-pixelcode-rgb-60:
+
+.. raw:: latex
+
+    \begingroup
+    \tiny
+    \setlength{\tabcolsep}{2pt}
+
+.. flat-table:: 60bit RGB formats
+    :header-rows:  3
+    :stub-columns: 0
+    :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
+
+    * - Identifier
+      - Code
+      -
+      - :cspan:`31` Data organization
+    * -
+      -
+      - Bit
+      -
+      -
+      -
+      -
+      - 59
+      - 58
+      - 57
+      - 56
+      - 55
+      - 54
+      - 53
+      - 52
+      - 51
+      - 50
+      - 49
+      - 48
+      - 47
+      - 46
+      - 45
+      - 44
+      - 43
+      - 42
+      - 41
+      - 40
+      - 39
+      - 38
+      - 37
+      - 36
+      - 35
+      - 34
+      - 33
+      - 32
+    * -
+      -
+      -
+      - 31
+      - 30
+      - 29
+      - 28
+      - 27
+      - 26
+      - 25
+      - 24
+      - 23
+      - 22
+      - 21
+      - 20
+      - 19
+      - 18
+      - 17
+      - 16
+      - 15
+      - 14
+      - 13
+      - 12
+      - 11
+      - 10
+      - 9
+      - 8
+      - 7
+      - 6
+      - 5
+      - 4
+      - 3
+      - 2
+      - 1
+      - 0
+    * .. _MEDIA-BUS-FMT-RGB202020-1X60:
+
+      - MEDIA_BUS_FMT_RGB202020_1X60
+      - 0x1026
+      -
+      -
+      -
+      -
+      -
+      - r\ :sub:`19`
+      - r\ :sub:`18`
+      - r\ :sub:`17`
+      - r\ :sub:`16`
+      - r\ :sub:`15`
+      - r\ :sub:`14`
+      - r\ :sub:`13`
+      - r\ :sub:`12`
+      - r\ :sub:`11`
+      - r\ :sub:`10`
+      - r\ :sub:`8`
+      - r\ :sub:`8`
+      - r\ :sub:`7`
+      - r\ :sub:`6`
+      - r\ :sub:`5`
+      - r\ :sub:`4`
+      - r\ :sub:`3`
+      - r\ :sub:`2`
+      - r\ :sub:`1`
+      - r\ :sub:`0`
+      - g\ :sub:`19`
+      - g\ :sub:`18`
+      - g\ :sub:`17`
+      - g\ :sub:`16`
+      - g\ :sub:`15`
+      - g\ :sub:`14`
+      - g\ :sub:`13`
+      - g\ :sub:`12`
+    * -
+      -
+      -
+      - g\ :sub:`11`
+      - g\ :sub:`10`
+      - g\ :sub:`9`
+      - g\ :sub:`8`
+      - g\ :sub:`7`
+      - g\ :sub:`6`
+      - g\ :sub:`5`
+      - g\ :sub:`4`
+      - g\ :sub:`3`
+      - g\ :sub:`2`
+      - g\ :sub:`1`
+      - g\ :sub:`0`
+      - b\ :sub:`19`
+      - b\ :sub:`18`
+      - b\ :sub:`17`
+      - b\ :sub:`16`
+      - b\ :sub:`15`
+      - b\ :sub:`14`
+      - b\ :sub:`13`
+      - b\ :sub:`12`
+      - b\ :sub:`11`
+      - b\ :sub:`10`
+      - b\ :sub:`9`
+      - b\ :sub:`8`
+      - b\ :sub:`7`
+      - b\ :sub:`6`
+      - b\ :sub:`5`
+      - b\ :sub:`4`
+      - b\ :sub:`3`
+      - b\ :sub:`2`
+      - b\ :sub:`1`
+      - b\ :sub:`0`
+
+.. raw:: latex
+
+    \endgroup
+
 On LVDS buses, usually each sample is transferred serialized in seven
 time slots per pixel clock, on three (18-bit) or four (24-bit)
 differential data pairs at the same time. The remaining bits are used
diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h
index f05f747e444d..8633818cc33c 100644
--- a/include/uapi/linux/media-bus-format.h
+++ b/include/uapi/linux/media-bus-format.h
@@ -34,7 +34,7 @@ 
 
 #define MEDIA_BUS_FMT_FIXED			0x0001
 
-/* RGB - next is	0x1026 */
+/* RGB - next is	0x1027 */
 #define MEDIA_BUS_FMT_RGB444_1X12		0x1016
 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE	0x1001
 #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE	0x1002
@@ -72,6 +72,7 @@ 
 #define MEDIA_BUS_FMT_RGB888_1X36_CPADLO	0x1021
 #define MEDIA_BUS_FMT_RGB121212_1X36		0x1019
 #define MEDIA_BUS_FMT_RGB161616_1X48		0x101a
+#define MEDIA_BUS_FMT_RGB202020_1X60		0x1026
 
 /* YUV (including grey) - next is	0x202f */
 #define MEDIA_BUS_FMT_Y8_1X8			0x2001