nv12mt_8l128 is 8-bit tiled nv12 format used by amphion decoder.
nv12mt_10be_8l128 is 10-bit tiled format used by amphion decoder.
The tile size is 8x128
Signed-off-by: Ming Qian <ming.qian@xxxxxxx>
Signed-off-by: Shijie Qin <shijie.qin@xxxxxxx>
Signed-off-by: Zhou Peng <eagle.zhou@xxxxxxx>
---
.../userspace-api/media/v4l/pixfmt-yuv-planar.rst | 15 +++++++++++++++
drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++
include/uapi/linux/videodev2.h | 2 ++
3 files changed, 19 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
index 3a09d93d405b..fc3baa2753ab 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
@@ -257,6 +257,8 @@ of the luma plane.
.. _V4L2-PIX-FMT-NV12-4L4:
.. _V4L2-PIX-FMT-NV12-16L16:
.. _V4L2-PIX-FMT-NV12-32L32:
+.. _V4L2_PIX_FMT_NV12MT_8L128:
+.. _V4L2_PIX_FMT_NV12MT_10BE_8L128:
Tiled NV12
----------
@@ -296,6 +298,19 @@ tiles linearly in memory. The line stride and image height must be
aligned to a multiple of 32. The layouts of the luma and chroma planes are
identical.
+``V4L2_PIX_FMT_NV12MT_8L128`` is similar to ``V4L2_PIX_FMT_NV12M`` but stores
+pixel in 2D 8x128 tiles, and stores tiles linearly in memory.
+The image height must be aligned to a multiple of 128.
+The layouts of the luma and chroma planes are identical.
+
+``V4L2_PIX_FMT_NV12MT_10BE_8L128`` is similar to ``V4L2_PIX_FMT_NV12M`` but stores
+10 bits pixel in 2D 8x128 tiles, and stores tiles linearly in memory.
+the data is arranged at the big end.
+The image height must be aligned to a multiple of 128.
+The layouts of the luma and chroma planes are identical.
+Note the tile size is 8bytes multiplied by 128 bytes,
+it means that the low bits and high bits of one pixel may be in differnt tiles.
+
.. _nv12mt:
.. kernel-figure:: nv12mt.svg
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 31d0109ce5a8..4c6480fa29e4 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1388,6 +1388,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_META_FMT_VIVID: descr = "Vivid Metadata"; break;
case V4L2_META_FMT_RK_ISP1_PARAMS: descr = "Rockchip ISP1 3A Parameters"; break;
case V4L2_META_FMT_RK_ISP1_STAT_3A: descr = "Rockchip ISP1 3A Statistics"; break;
+ case V4L2_PIX_FMT_NV12MT_8L128: descr = "NV12M (8x128 Linear)"; break;
+ case V4L2_PIX_FMT_NV12MT_10BE_8L128: descr = "NV12M 10BE(8x128 Linear)"; break;
default:
/* Compressed formats */
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index f118fe7a9f58..9443c3109928 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -632,6 +632,8 @@ struct v4l2_pix_format {
/* Tiled YUV formats, non contiguous planes */
#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
+#define V4L2_PIX_FMT_NV12MT_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
+#define V4L2_PIX_FMT_NV12MT_10BE_8L128 v4l2_fourcc('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
--
2.33.0
