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authorMing Qian <ming.qian@nxp.com>2023-03-22 05:13:09 +0000
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-04-15 09:11:30 +0100
commit302b988ca03d83da0a7e006a57efda646c30f978 (patch)
tree2ede5c44301260c185817231fe63b7f2f58c5528
parentda0b7a400e4f39726c3c383f377fb51dbd8b0c71 (diff)
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media: Add ABGR64_12 video format
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. 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>
-rw-r--r--Documentation/userspace-api/media/v4l/pixfmt-rgb.rst9
-rw-r--r--drivers/media/v4l2-core/v4l2-common.c1
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c1
-rw-r--r--include/uapi/linux/videodev2.h1
4 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst
index 779f0bdda642..38811025d71b 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst
@@ -985,6 +985,15 @@ 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
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index 16d3c91c7da2..3c5ab5ecd678 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -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 },
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 7cd0708cb5fb..a858acea6547 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1299,6 +1299,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_RGBA1010102: descr = "32-bit RGBA 10-10-10-2"; break;
case V4L2_PIX_FMT_ARGB2101010: descr = "32-bit ARGB 2-10-10-10"; 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;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 42358d04075d..aee75eb9e686 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -582,6 +582,7 @@ 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 */