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[3/7] media: ioctl: Add pixel formats NV12MT_COL128 and NV12MT_10_COL128

Message ID 20241220-media-rpi-hevc-dec-v1-3-0ebcc04ed42e@raspberrypi.com
State New
Headers show
Series Raspberry Pi HEVC decoder driver | expand

Commit Message

Dave Stevenson Dec. 20, 2024, 4:21 p.m. UTC 
Add V4L2_PIXFMT_NV12MT_COL128 and V4L2_PIXFMT_NV12MT_10_COL128
to describe the Raspberry Pi HEVC decoder NV12 multiplanar formats.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
 drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++
 include/uapi/linux/videodev2.h       | 5 +++++
 2 files changed, 7 insertions(+)
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Patch

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 0304daa8471d..e510e375a871 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1377,7 +1377,9 @@  static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_NV16M:	descr = "Y/UV 4:2:2 (N-C)"; break;
 	case V4L2_PIX_FMT_NV61M:	descr = "Y/VU 4:2:2 (N-C)"; break;
 	case V4L2_PIX_FMT_NV12MT:	descr = "Y/UV 4:2:0 (64x32 MB, N-C)"; break;
+	case V4L2_PIX_FMT_NV12MT_COL128: descr = "Y/CbCr 4:2:0 (128b cols)"; break;
 	case V4L2_PIX_FMT_NV12MT_16X16:	descr = "Y/UV 4:2:0 (16x16 MB, N-C)"; break;
+	case V4L2_PIX_FMT_NV12MT_10_COL128: descr = "10-bit Y/CbCr 4:2:0 (128b cols)"; break;
 	case V4L2_PIX_FMT_P012M:	descr = "12-bit Y/UV 4:2:0 (N-C)"; break;
 	case V4L2_PIX_FMT_YUV420M:	descr = "Planar YUV 4:2:0 (N-C)"; break;
 	case V4L2_PIX_FMT_YVU420M:	descr = "Planar YVU 4:2:0 (N-C)"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index e7c4dce39007..f8f97aa6a616 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -687,6 +687,11 @@  struct v4l2_pix_format {
 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
 #define V4L2_PIX_FMT_NV12M_8L128      v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
+#define V4L2_PIX_FMT_NV12MT_COL128 v4l2_fourcc('N', 'c', '1', '2') /* 12  Y/CbCr 4:2:0 128 pixel wide column */
+#define V4L2_PIX_FMT_NV12MT_10_COL128 v4l2_fourcc('N', 'c', '3', '0')
+								/* Y/CbCr 4:2:0 10bpc, 3x10 packed as 4 bytes in
+								 * a 128 bytes / 96 pixel wide column */
+
 
 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */