[PATCH 1/3] media: mediatek: vcodec: Add capture format to support 10bit tile mode

[Yunfei Dong]

From: Mingjia Zhang <mingjia.zhang at mediatek.com>

Define one uncompressed capture format V4L2_PIX_FMT_MT2110T in order to
support 10bit for AV1/VP9/HEVC in mt8195.

Signed-off-by: Mingjia Zhang <mingjia.zhang at mediatek.com>
Co-developed-by: Yunfei Dong <yunfei.dong at mediatek.com>
Signed-off-by: Yunfei Dong <yunfei.dong at mediatek.com>
---
 Documentation/userspace-api/media/v4l/pixfmt-reserved.rst | 8 ++++++++
 drivers/media/v4l2-core/v4l2-common.c                     | 2 ++
 drivers/media/v4l2-core/v4l2-ioctl.c                      | 1 +
 include/uapi/linux/videodev2.h                            | 1 +
 4 files changed, 12 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
index 58f6ae25b2e7..b16a7257580c 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
@@ -275,6 +275,14 @@ please make a proposal on the linux-media mailing list.
 
         Decoder's implementation can be found here,
         `aspeed_codec <https://github.com/AspeedTech-BMC/aspeed_codec/>`__
+    * .. _V4L2-PIX-FMT-MT2110T:
+
+      - ``V4L2_PIX_FMT_MT2110T``
+      - 'MT2110T'
+      - Two-planar 10-Bit tile mode YVU420 format used by Mediatek MT8195, MT8188
+        and more. This format have similitude with ``V4L2_PIX_FMT_MM21``.
+        It remains an opaque intermediate format and it is used for VP9, AV1
+        and HEVC.
 .. raw:: latex
 
     \normalsize
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index bee1535b04d3..869fc09a210b 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -262,6 +262,8 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
 		{ .format = V4L2_PIX_FMT_VYUY,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 1 },
 		{ .format = V4L2_PIX_FMT_Y212,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 1, .bpp = { 4, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 1 },
 		{ .format = V4L2_PIX_FMT_YUV48_12, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 1, .bpp = { 6, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+		{ .format = V4L2_PIX_FMT_MT2110T, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 2, .comp_planes = 2, .bpp = { 5, 10, 0, 0 }, .bpp_div = { 4, 4, 1, 1 }, .hdiv = 2, .vdiv = 2,
+		  .block_w = { 16, 8, 0, 0 }, .block_h = { 32, 16, 0, 0 }},
 
 		/* YUV planar formats */
 		{ .format = V4L2_PIX_FMT_NV12,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 2 },
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 01ba27f2ef87..f465c0e3d6e3 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1508,6 +1508,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 		case V4L2_PIX_FMT_QC10C:	descr = "QCOM Compressed 10-bit Format"; break;
 		case V4L2_PIX_FMT_AJPG:		descr = "Aspeed JPEG"; break;
 		case V4L2_PIX_FMT_AV1_FRAME:	descr = "AV1 Frame"; break;
+		case V4L2_PIX_FMT_MT2110T:	descr = "Mediatek 10bit Tile Mode"; break;
 		default:
 			if (fmt->description[0])
 				return;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 3af6a82d0cad..8c7d71afbdc7 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -796,6 +796,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
 #define V4L2_PIX_FMT_MM21     v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
+#define V4L2_PIX_FMT_MT2110T  v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
 #define V4L2_PIX_FMT_CNF4     v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
 #define V4L2_PIX_FMT_HI240    v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
-- 
2.18.0