Add two new formats storing luma only in 10- and 12-bpc variants, with
linear packing. They are used by the Xilinx Video Frame Buffer
Read/Write IP cores.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
.../media/v4l/pixfmt-yuv-luma.rst | 23 +++++++++++++++++++
include/uapi/linux/videodev2.h | 2 ++
2 files changed, 25 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
index b24947b52cf8..3e2a7af5ed67 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
@@ -24,6 +24,7 @@ are often referred to as greyscale formats.
- Y'\ :sub:`x`\ [9:2] denotes bits 9 to 2 of the Y' value for pixel at colum
`x`.
- `0` denotes padding bits set to 0.
+ - `-` denotes padding bits with undefined values.
.. flat-table:: Luma-Only Image Formats
@@ -82,6 +83,17 @@ are often referred to as greyscale formats.
- Y'\ :sub:`3`\ [9:2]
- Y'\ :sub:`3`\ [1:0] Y'\ :sub:`2`\ [1:0] Y'\ :sub:`1`\ [1:0] Y'\ :sub:`0`\ [1:0]
+ * .. _V4L2-PIX-FMT-Y10X:
+
+ - ``V4L2_PIX_FMT_Y10X``
+ - 'Y10X'
+
+ - Y'\ :sub:`0`\ [7:0]
+ - Y'\ :sub:`1`\ [5:0] Y'\ :sub:`0`\ [9:8]
+ - Y'\ :sub:`2`\ [3:0] Y'\ :sub:`1`\ [9:6]
+ - `- -` Y'\ :sub:`2`\ [9:4]
+ - ...
+
* .. _V4L2-PIX-FMT-Y12:
- ``V4L2_PIX_FMT_Y12``
@@ -93,6 +105,17 @@ are often referred to as greyscale formats.
- ...
- ...
+ * .. _V4L2-PIX-FMT-Y12X:
+
+ - ``V4L2_PIX_FMT_Y12X``
+ - 'Y12X'
+
+ - Y'\ :sub:`0`\ [7:0]
+ - Y'\ :sub:`1`\ [3:0] Y'\ :sub:`0`\ [11:8]
+ - Y'\ :sub:`1`\ [11:4]
+ - Y'\ :sub:`2`\ [7:0]
+ - `- - - -` Y'\ :sub:`2`\ [11:8]
+
* .. _V4L2-PIX-FMT-Y14:
- ``V4L2_PIX_FMT_Y14``
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 9b4cab651df7..3d137a020cdb 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -579,6 +579,8 @@ 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 */
+#define V4L2_PIX_FMT_Y10X v4l2_fourcc('Y', '1', '0', 'X') /* 10 Greyscale, 3 pixels in 4 bytes */
+#define V4L2_PIX_FMT_Y12X v4l2_fourcc('Y', '1', '2', 'X') /* 12 Greyscale, 4 pixels in 5 bytes */
/* Palette formats */
#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
--
Regards,
Laurent Pinchart
