Add custom Qualcomm raw compressed pixel formats. They are
used in Qualcomm SoCs to optimize the interconnect bandwidth.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
---
.../media/v4l/pixfmt-reserved.rst | 18 ++++++++++++++++++
drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++
include/uapi/linux/videodev2.h | 2 ++
3 files changed, 22 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
index 0b879c0da713..136e9832db0c 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
@@ -260,6 +260,24 @@ please make a proposal on the linux-media mailing list.
of tiles, resulting in 32-aligned resolutions for the luminance plane
and 16-aligned resolutions for the chrominance plane (with 2x2
subsampling).
+ * .. _V4L2-PIX-FMT-QC08C:
+
+ - ``V4L2_PIX_FMT_QC08C``
+ - 'QC08C'
+ - Compressed Macro-tile 8-Bit YUV420 format used by Qualcomm platforms.
+ The used compression is lossless and it is used by various multimedia
+ hardware blocks like GPU, display controllers, ISP and video accelerators.
+ It contains four planes for progressive video and eight planes for
+ interlaced video.
+ * .. _V4L2-PIX-FMT-QC10C:
+
+ - ``V4L2_PIX_FMT_QC10C``
+ - 'QC10C'
+ - Compressed Macro-tile 10-Bit YUV420 format used by Qualcomm platforms.
+ The used compression is lossless and it is used by various multimedia
+ hardware blocks like GPU, display controllers, ISP and video.
+ It contains four planes for progressive video and eight planes for
+ interlaced video.
.. raw:: latex
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 05d5db3d85e5..76d4e4ac18e8 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1416,6 +1416,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break;
case V4L2_PIX_FMT_MT21C: descr = "Mediatek Compressed Format"; break;
case V4L2_PIX_FMT_SUNXI_TILED_NV12: descr = "Sunxi Tiled NV12 Format"; break;
+ case V4L2_PIX_FMT_QC08C: descr = "QCOM Compressed 8-bit Format"; break;
+ case V4L2_PIX_FMT_QC10C: descr = "QCOM Compressed 10-bit Format"; break;
default:
if (fmt->description[0])
return;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 9260791b8438..dc1b714ccf6b 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -737,6 +737,8 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
#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 */
+#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
+#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
/* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
--
2.25.1
