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Commit 6e15bec4 authored by Todor Tomov's avatar Todor Tomov Committed by Mauro Carvalho Chehab
Browse files

media: v4l: Add new 10-bit packed grayscale format 



The new format will be called V4L2_PIX_FMT_Y10P.
It is similar to the V4L2_PIX_FMT_SBGGR10P family formats
but V4L2_PIX_FMT_Y10P is a grayscale format.

Signed-off-by: default avatarTodor Tomov <todor.tomov@linaro.org>
Acked-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarHans Verkuil <hansverk@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 451af0bf

Documentation/media/uapi/v4l/pixfmt-y10p.rst

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.. -*- coding: utf-8; mode: rst -*-



.. _V4L2-PIX-FMT-Y10P:



******************************

V4L2_PIX_FMT_Y10P ('Y10P')

******************************



Grey-scale image as a MIPI RAW10 packed array





Description

===========



This is a packed grey-scale image format with a depth of 10 bits per

pixel. Every four consecutive pixels are packed into 5 bytes. Each of

the first 4 bytes contain the 8 high order bits of the pixels, and

the 5th byte contains the 2 least significants bits of each pixel,

in the same order.



**Bit-packed representation.**



.. flat-table::

    :header-rows:  0

    :stub-columns: 0

    :widths: 8 8 8 8 64



    * - Y'\ :sub:`00[9:2]`

      - Y'\ :sub:`01[9:2]`

      - Y'\ :sub:`02[9:2]`

      - Y'\ :sub:`03[9:2]`

      - Y'\ :sub:`03[1:0]`\ (bits 7--6) Y'\ :sub:`02[1:0]`\ (bits 5--4)

	Y'\ :sub:`01[1:0]`\ (bits 3--2) Y'\ :sub:`00[1:0]`\ (bits 1--0)

Documentation/media/uapi/v4l/yuv-formats.rst

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@@ -29,6 +29,7 @@ to brightness information. 
    pixfmt-y10

    pixfmt-y12

    pixfmt-y10b

    pixfmt-y10p

    pixfmt-y16

    pixfmt-y16-be

    pixfmt-y8i

drivers/media/v4l2-core/v4l2-ioctl.c

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@@ -1184,6 +1184,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 
	case V4L2_PIX_FMT_Y16:		descr = "16-bit Greyscale"; break;

	case V4L2_PIX_FMT_Y16_BE:	descr = "16-bit Greyscale BE"; break;

	case V4L2_PIX_FMT_Y10BPACK:	descr = "10-bit Greyscale (Packed)"; break;

	case V4L2_PIX_FMT_Y10P:		descr = "10-bit Greyscale (MIPI Packed)"; break;

	case V4L2_PIX_FMT_Y8I:		descr = "Interleaved 8-bit Greyscale"; break;

	case V4L2_PIX_FMT_Y12I:		descr = "Interleaved 12-bit Greyscale"; break;

	case V4L2_PIX_FMT_Z16:		descr = "16-bit Depth"; break;

include/uapi/linux/videodev2.h

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@@ -522,6 +522,7 @@ struct v4l2_pix_format { 


/* Grey bit-packed formats */

#define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */

#define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '0', 'P') /* 10  Greyscale, MIPI RAW10 packed */



/* Palette formats */

#define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */