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media: uapi: Add IPU3 packed Y10 format

Some platforms with an Intel IPU3 have an IR sensor producing 10 bit greyscale format data that is transmitted over a CSI-2 bus to a CIO2 device - this packs the data into 32 bytes per 25 pixels. Add an entry to the uAPI header defining that format.

Daniel Scally committed 4 years ago

Commit b87f5e21 parent 92beb553 files · +16 −2Browse files

Unified · Split

3 files
  1. Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst +13 −1
  2. drivers/media/v4l2-core/v4l2-ioctl.c +1 −0
  3. include/uapi/linux/videodev2.h +2 −1
Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst+13−1
@@ -48,6 +48,17 @@ are often referred to as greyscale formats. · 47 unmodified lines
48 - ...48 - ...
49 - ...49 - ...
50 50
51 * .. _V4L2-PIX-FMT-IPU3-Y10:
52
53 - ``V4L2_PIX_FMT_IPU3_Y10``
54 - 'ip3y'
55
56 - Y'\ :sub:`0`\ [7:0]
57 - Y'\ :sub:`1`\ [5:0] Y'\ :sub:`0`\ [9:8]
58 - Y'\ :sub:`2`\ [3:0] Y'\ :sub:`1`\ [9:6]
59 - Y'\ :sub:`3`\ [1:0] Y'\ :sub:`2`\ [9:4]
60 - Y'\ :sub:`3`\ [9:2]
61
51 * .. _V4L2-PIX-FMT-Y10:62 * .. _V4L2-PIX-FMT-Y10:
52 63
53 - ``V4L2_PIX_FMT_Y10``64 - ``V4L2_PIX_FMT_Y10``
@@ -133,4 +144,5 @@ are often referred to as greyscale formats. · 79 unmodified lines
133 144
134 For the Y16 and Y16_BE formats, the actual sampling precision may be lower145 For the Y16 and Y16_BE formats, the actual sampling precision may be lower
135 than 16 bits. For example, 10 bits per pixel uses values in the range 0 to146 than 16 bits. For example, 10 bits per pixel uses values in the range 0 to
136 1023.147 1023. For the IPU3_Y10 format 25 pixels are packed into 32 bytes, which
148 leaves the 6 most significant bits of the last byte padded with 0.
drivers/media/v4l2-core/v4l2-ioctl.c+1−0
@@ -1269,6 +1269,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) · 1268 unmodified lines
1269 case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break;1269 case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break;
1270 case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break;1270 case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break;
1271 case V4L2_PIX_FMT_Y10P: descr = "10-bit Greyscale (MIPI Packed)"; break;1271 case V4L2_PIX_FMT_Y10P: descr = "10-bit Greyscale (MIPI Packed)"; break;
1272 case V4L2_PIX_FMT_IPU3_Y10: descr = "10-bit greyscale (IPU3 Packed)"; break;
1272 case V4L2_PIX_FMT_Y8I: descr = "Interleaved 8-bit Greyscale"; break;1273 case V4L2_PIX_FMT_Y8I: descr = "Interleaved 8-bit Greyscale"; break;
1273 case V4L2_PIX_FMT_Y12I: descr = "Interleaved 12-bit Greyscale"; break;1274 case V4L2_PIX_FMT_Y12I: descr = "Interleaved 12-bit Greyscale"; break;
1274 case V4L2_PIX_FMT_Z16: descr = "16-bit Depth"; break;1275 case V4L2_PIX_FMT_Z16: descr = "16-bit Depth"; break;
include/uapi/linux/videodev2.h+2−1
@@ -569,6 +569,7 @@ struct v4l2_pix_format { · 568 unmodified lines
569/* Grey bit-packed formats */569/* Grey bit-packed formats */
570#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */570#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
571#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */571#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
572#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
572 573
573/* Palette formats */574/* Palette formats */
574#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */575#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
@@ -749,7 +750,7 @@ struct v4l2_pix_format { · 174 unmodified lines
749#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */750#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
750#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */751#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
751 752
752/* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */753/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
753#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */754#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
754#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */755#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
755#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */756#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */