Add Y210, Y212 and Y216 formats.
Signed-off-by: Tomi Valkeinen <[email protected]>
---
.../media/v4l/pixfmt-packed-yuv.rst | 44 +++++++++++++++++++
drivers/media/v4l2-core/v4l2-ioctl.c | 3 ++
include/uapi/linux/videodev2.h | 8 ++++
3 files changed, 55 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
index bf283a1b5581..3f193e5fd5cb 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst
@@ -337,6 +337,50 @@ components horizontally by 2, storing 2 pixels in 4 bytes.
- Y'\ :sub:`3`
- Cb\ :sub:`2`
+The packed YUYV formats with more than 8 bits per component are stored as four
+16-bit little-endian words. Each word's most significat bits contain one
+component, and the least significant bits are zero padding.
+
+.. tabularcolumns::
|p{3.4cm}|p{1.2cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|
+
+.. flat-table:: Packed YUV 4:2:2 Formats in 64-bit container
+ :header-rows: 1
+ :stub-columns: 0
+
+ * - Identifier
+ - Code
+ - Word 0
+ - Word 1
+ - Word 2
+ - Word 3
+ * .. _V4L2-PIX-FMT-Y210:
+
+ - ``V4L2_PIX_FMT_Y210``
+ - 'Y210'
+
+ - Y'\ :sub:`0` (bits 15-6)
+ - Cb\ :sub:`0` (bits 15-6)
+ - Y'\ :sub:`1` (bits 15-6)
+ - Cr\ :sub:`0` (bits 15-6)
+ * .. _V4L2-PIX-FMT-Y212:
+
+ - ``V4L2_PIX_FMT_Y212``
+ - 'Y212'
+
+ - Y'\ :sub:`0` (bits 15-4)
+ - Cb\ :sub:`0` (bits 15-4)
+ - Y'\ :sub:`1` (bits 15-4)
+ - Cr\ :sub:`0` (bits 15-4)
+ * .. _V4L2-PIX-FMT-Y216:
+
+ - ``V4L2_PIX_FMT_Y216``
+ - 'Y216'
+
+ - Y'\ :sub:`0` (bits 15-0)
+ - Cb\ :sub:`0` (bits 15-0)
+ - Y'\ :sub:`1` (bits 15-0)
+ - Cr\ :sub:`0` (bits 15-0)
+
.. raw:: latex
\normalsize
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c
b/drivers/media/v4l2-core/v4l2-ioctl.c
index 964300deaf62..ba95389a59b5 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1449,6 +1449,9 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_META_FMT_RK_ISP1_STAT_3A: descr = "Rockchip ISP1 3A
Statistics"; break;
case V4L2_PIX_FMT_NV12M_8L128: descr = "NV12M (8x128 Linear)"; break;
case V4L2_PIX_FMT_NV12M_10BE_8L128: descr = "10-bit NV12M (8x128
Linear, BE)"; break;
+ case V4L2_PIX_FMT_Y210: descr = "10-bit YUYV Packed"; break;
+ case V4L2_PIX_FMT_Y212: descr = "12-bit YUYV Packed"; break;
+ case V4L2_PIX_FMT_Y216: descr = "16-bit YUYV Packed"; break;
default:
/* Compressed formats */
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 877fd61693b8..15b640d2da8a 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -621,6 +621,14 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32
YUVX-8-8-8-8 */
#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0
2 lines y, 1 line uv interleaved */
+/*
+ * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the
MSBs
+ * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
+ */
+#define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2
*/
+#define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2
*/
+#define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2
*/
+
/* two planes -- one Y, one Cr + Cb interleaved */
#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr
4:2:0 */
#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb
4:2:0 */
--
2.34.1
