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Subject[PATCH 1/7] [media]: v4l: add Mediatek MT21 video block format
Date
From: Daniel Kurtz <djkurtz@chromium.org>

Mediatek video format is YVU8_420_2PLANE_PACK8_PROGRESSIVE.

Create V4L2_PIX_FMT_MT21 and DRM_FORMAT_MT21 to be consistent with
V4L2_PIX_FMT_NV12 notation.

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
---
include/uapi/drm/drm_fourcc.h | 1 +
include/uapi/linux/videodev2.h | 2 ++
2 files changed, 3 insertions(+)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 0b69a77..a193905 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -116,6 +116,7 @@
#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */

+#define DRM_FORMAT_MT21 fourcc_code('M', 'T', '2', '1') /* Mediatek Block Mode */
/*
* 3 plane YCbCr
* index 0: Y plane, [7:0] Y
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index d0acd26..e9e3276 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -527,6 +527,8 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */

+#define V4L2_PIX_FMT_MT21 v4l2_fourcc('M', 'T', '2', '1') /* Mediatek Block Mode */
+
/* two planes -- one Y, one Cr + Cb interleaved */
#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
--
1.7.9.5
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