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UPSTREAM: media: Add ABGR64_12 video format

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ABGR64_12 is a reversed RGB format with alpha channel last,
12 bits per component like ABGR32,
expanded to 16bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.

Bug: 293213303
Change-Id: Idc4e1100c9e2134a48b594151e3398f6436b010d
(cherry picked from commit 302b988ca03d83da0a7e006a57efda646c30f978)
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
This commit is contained in:
Ming Qian 2023-03-22 05:13:09 +00:00 committed by Carlos Llamas
parent 86e2e8fd05
commit 126ef64cba
4 changed files with 12 additions and 0 deletions
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9
Documentation/userspace-api/media/v4l/pixfmt-rgb.rst
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@ -791,6 +791,15 @@ arranged in little endian order.
- G\ :sub:`15-4`
- R\ :sub:`15-4`
-
* .. _V4L2-PIX-FMT-ABGR64-12:
- ``V4L2_PIX_FMT_ABGR64_12``
- 'B412'
- B\ :sub:`15-4`
- G\ :sub:`15-4`
- R\ :sub:`15-4`
- A\ :sub:`15-4`
.. raw:: latex

1
drivers/media/v4l2-core/v4l2-common.c
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@ -253,6 +253,7 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
{ .format = V4L2_PIX_FMT_RGB555, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_BGR666, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_BGR48_12, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 6, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_ABGR64_12, .pixel_enc = V4L2_PIXEL_ENC_RGB, .mem_planes = 1, .comp_planes = 1, .bpp = { 8, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
/* YUV packed formats */
{ .format = V4L2_PIX_FMT_YUYV, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .hdiv = 2, .vdiv = 1 },

1
drivers/media/v4l2-core/v4l2-ioctl.c
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@ -1305,6 +1305,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_RGBA32: descr = "32-bit RGBA 8-8-8-8"; break;
case V4L2_PIX_FMT_RGBX32: descr = "32-bit RGBX 8-8-8-8"; break;
case V4L2_PIX_FMT_BGR48_12: descr = "12-bit Depth BGR"; break;
case V4L2_PIX_FMT_ABGR64_12: descr = "12-bit Depth BGRA"; break;
case V4L2_PIX_FMT_GREY: descr = "8-bit Greyscale"; break;
case V4L2_PIX_FMT_Y4: descr = "4-bit Greyscale"; break;
case V4L2_PIX_FMT_Y6: descr = "6-bit Greyscale"; break;

1
include/uapi/linux/videodev2.h
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@ -579,6 +579,7 @@ struct v4l2_pix_format {
/* RGB formats (6 or 8 bytes per pixel) */
#define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
#define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
/* Grey formats */
#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */