linux-kernel - [PATCH v2 1/4] media: add nv12_8l128 and nv12_10be

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Date:   Mon,  1 Aug 2022 16:18:02 +0800
From:   Ming Qian <ming.qian@....com>
To:     mchehab@...nel.org, hverkuil-cisco@...all.nl
Cc:     shawnguo@...nel.org, robh+dt@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        xiahong.bao@....com, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 1/4] media: add nv12_8l128 and nv12_10be_8l128 video format.

add contiguous nv12 tiled format nv12_8l128 and nv12_10be_8l128

Signed-off-by: Ming Qian <ming.qian@....com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@...labora.com>
---
 .../userspace-api/media/v4l/pixfmt-yuv-planar.rst         | 8 ++++++++
 drivers/media/v4l2-core/v4l2-ioctl.c                      | 2 ++
 include/uapi/linux/videodev2.h                            | 2 ++
 3 files changed, 12 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
index 10b1feeb0b57..f1d5bb7b806d 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
@@ -273,7 +273,9 @@ of the luma plane.
 .. _V4L2-PIX-FMT-NV12-16L16:
 .. _V4L2-PIX-FMT-NV12-32L32:
 .. _V4L2-PIX-FMT-NV12M-8L128:
+.. _V4L2-PIX-FMT-NV12-8L128:
 .. _V4L2-PIX-FMT-NV12M-10BE-8L128:
+.. _V4L2-PIX-FMT-NV12-10BE-8L128:
 .. _V4L2-PIX-FMT-MM21:
 
 Tiled NV12
@@ -319,6 +321,9 @@ pixels 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_NV12_8L128`` is similar to ``V4L2_PIX_FMT_NV12M_8L128`` but stores
+two planes in one memory.
+
 ``V4L2_PIX_FMT_NV12M_10BE_8L128`` is similar to ``V4L2_PIX_FMT_NV12M`` but stores
 10 bits pixels in 2D 8x128 tiles, and stores tiles linearly in memory.
 the data is arranged in big endian order.
@@ -334,6 +339,9 @@ byte 2: Y1(bits 3-0) Y2(bits 9-6)
 byte 3: Y2(bits 5-0) Y3(bits 9-8)
 byte 4: Y3(bits 7-0)
 
+``V4L2_PIX_FMT_NV12_10BE_8L128`` is similar to ``V4L2_PIX_FMT_NV12M_10BE_8L128`` but stores
+two planes in one memory.
+
 ``V4L2_PIX_FMT_MM21`` store luma pixel in 16x32 tiles, and chroma pixels
 in 16x16 tiles. The line stride must be aligned to a multiple of 16 and the
 image height must be aligned to a multiple of 32. The number of luma and chroma
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index c314025d977e..d973bd2ff750 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1444,7 +1444,9 @@ 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_NV12_8L128:	descr = "NV12 (8x128 Linear)"; break;
 	case V4L2_PIX_FMT_NV12M_8L128:	descr = "NV12M (8x128 Linear)"; break;
+	case V4L2_PIX_FMT_NV12_10BE_8L128:	descr = "10-bit NV12 (8x128 Linear, BE)"; break;
 	case V4L2_PIX_FMT_NV12M_10BE_8L128:	descr = "10-bit NV12M (8x128 Linear, BE)"; break;
 
 	default:
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index cd66e01ed3c3..64f16490dd2b 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -655,6 +655,8 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12  Y/CbCr 4:2:0 32x32 tiles */
 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12  Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
+#define V4L2_PIX_FMT_NV12_8L128       v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
+#define V4L2_PIX_FMT_NV12_10BE_8L128  v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
 
 /* 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 */
-- 
2.37.1