1From 4b8d34fdfeb4a83f0cf87a6a750ac3260c000792 Mon Sep 17 00:00:00 2001
2From: Tiffany Lin <tiffany.lin@mediatek.com>
3Date: Fri, 9 Sep 2016 12:48:04 -0300
4Subject: [PATCH 1/5] v4l: add Mediatek compressed video block format
5
6Add V4L2_PIX_FMT_MT21C format used on MT8173 driver.
7It is compressed format and need MT8173 MDP driver to transfer to other
8standard format.
9
10Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
11Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
12Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
13(cherry picked from commit d4de663458bd00a579742e966c2db0d86352358b)
14
15Change-Id: Iad20515a78d4fdbe74d597a453deadb6dabc3613
16Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
17---
18 drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
19 include/uapi/linux/videodev2.h       | 1 +
20 2 files changed, 2 insertions(+)
21
22diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
23index 29dd31748f18..0d308e6c8b50 100644
24--- a/drivers/media/v4l2-core/v4l2-ioctl.c
25+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
26@@ -1301,6 +1301,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
27 		case V4L2_PIX_FMT_JPGL:		descr = "JPEG Lite"; break;
28 		case V4L2_PIX_FMT_SE401:	descr = "GSPCA SE401"; break;
29 		case V4L2_PIX_FMT_S5C_UYVY_JPG:	descr = "S5C73MX interleaved UYVY/JPEG"; break;
30+		case V4L2_PIX_FMT_MT21C:	descr = "Mediatek Compressed Format"; break;
31 		default:
32 			WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat);
33 			if (fmt->description[0])
34diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
35index e21c709f18ef..1333216515b0 100644
36--- a/include/uapi/linux/videodev2.h
37+++ b/include/uapi/linux/videodev2.h
38@@ -634,6 +634,7 @@ struct v4l2_pix_format {
39 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
40 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
41 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
42+#define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
43
44 /* SDR formats - used only for Software Defined Radio devices */
45 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
46--
472.20.1
48
49