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dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) by AS8PR04MB7767.eurprd04.prod.outlook.com (2603:10a6:20b:288::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4500.14; Tue, 7 Sep 2021 09:49:56 +0000 Received: from AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::998c:7f25:6d75:d5f4]) by AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::998c:7f25:6d75:d5f4%7]) with mapi id 15.20.4478.025; Tue, 7 Sep 2021 09:49:56 +0000 From: Ming Qian To: mchehab@kernel.org, shawnguo@kernel.org, robh+dt@kernel.org, s.hauer@pengutronix.de Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, aisheng.dong@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 02/15] media:Add nt8 and nt10 video format. 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NT10 is 10-bit tiled format used by amphion decoder. The tile size is 8x128 Signed-off-by: Ming Qian Signed-off-by: Shijie Qin Signed-off-by: Zhou Peng --- .../userspace-api/media/v4l/pixfmt-yuv-planar.rst | 15 +++++++++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++ include/uapi/linux/videodev2.h | 4 ++++ 3 files changed, 21 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst index 090c091affd2..ce3419d95691 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst @@ -254,6 +254,8 @@ of the luma plane. .. _V4L2-PIX-FMT-NV12MT: .. _V4L2-PIX-FMT-NV12MT-16X16: +.. _V4L2_PIX_FMT_NV12_8L128: +.. _V4L2_PIX_FMT_NV12_10BE_8L128: NV12MT and MV12MT_16X16 ----------------------- @@ -276,6 +278,19 @@ If the vertical resolution is an odd number of macroblocks, the last row of macroblocks is stored in linear order. The layouts of the luma and chroma planes are identical. +``V4L2_PIX_FMT_NV12_8L128`` stores pixel in 2D 8x128 tiles, and stores +tiles linearly in memory. The line stride must be aligned to a multiple of 256. +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_10BE_8L128`` stores 10 bits pixel in 2D 8x128 tiles, +and stores tiles linearly in memory. the data is arranged at the big end. +The line stride must be aligned to a multiple of 256 bytes. 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 05d5db3d85e5..22f97a1cfbeb 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1367,6 +1367,8 @@ 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_NV12_8L128: descr = "Y/CbCr 4:2:0 (8x128 Linear)"; break; + case V4L2_PIX_FMT_NV12_10BE_8L128: descr = "Y/CbCr 4:2:0 10BE(8x128 Linear)"; break; default: /* Compressed formats */ diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 9260791b8438..167c0e40ec06 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -627,6 +627,10 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ +/* Tiled YUV formats */ +#define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ +#define V4L2_PIX_FMT_NV12_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.. */ #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */