target/linux/bcm27xx/patches-6.1/950-1152-include-uapi-v4l2-Add-additional-pixel-formats-for-u.patch

   1 From 9abab2e8e5cfbeae6e1b33cc3a5ed773e4e31774 Mon Sep 17 00:00:00 2001
   2 From: Naushir Patuck <naush@raspberrypi.com>
   3 Date: Thu, 16 Nov 2023 14:25:39 +0000
   4 Subject: [PATCH] include: uapi: v4l2: Add additional pixel formats for use
   5  with PiSP
   6
   7 Add the following formats:
   8
   9 - V4L2_PIX_FMT_RGB48/V4L2_PIX_FMT_BGR48
  10   48-bit RGB where each colour sample is 16-bits.
  11
  12 - V4L2_PIX_FMT_PISP_COMP1_MONO/V4L2_PIX_FMT_PISP_COMP2_MONO
  13   16-bit to 8-bit pisp compressed monochrome pixel format.
  14
  15 Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
  16 ---
  17  drivers/media/v4l2-core/v4l2-ioctl.c | 8 ++++++--
  18  include/uapi/linux/videodev2.h       | 6 ++++++
  19  2 files changed, 12 insertions(+), 2 deletions(-)
  20
  21 --- a/drivers/media/v4l2-core/v4l2-ioctl.c
  22 +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
  23 @@ -1304,6 +1304,8 @@ static void v4l_fill_fmtdesc(struct v4l2
  24         case V4L2_PIX_FMT_BGRX32:       descr = "32-bit XBGR 8-8-8-8"; break;
  25         case V4L2_PIX_FMT_RGBA32:       descr = "32-bit RGBA 8-8-8-8"; break;
  26         case V4L2_PIX_FMT_RGBX32:       descr = "32-bit RGBX 8-8-8-8"; break;
  27 +       case V4L2_PIX_FMT_BGR48:        descr = "48-bit BGR 16-16-16"; break;
  28 +       case V4L2_PIX_FMT_RGB48:        descr = "48-bit RGB 16-16-16"; break;
  29         case V4L2_PIX_FMT_GREY:         descr = "8-bit Greyscale"; break;
  30         case V4L2_PIX_FMT_Y4:           descr = "4-bit Greyscale"; break;
  31         case V4L2_PIX_FMT_Y6:           descr = "6-bit Greyscale"; break;
  32 @@ -1510,11 +1512,13 @@ static void v4l_fill_fmtdesc(struct v4l2
  33                 case V4L2_PIX_FMT_PISP_COMP1_RGGB:
  34                 case V4L2_PIX_FMT_PISP_COMP1_GRBG:
  35                 case V4L2_PIX_FMT_PISP_COMP1_GBRG:
  36 -               case V4L2_PIX_FMT_PISP_COMP1_BGGR: descr = "PiSP Bayer Comp 1"; break;
  37 +               case V4L2_PIX_FMT_PISP_COMP1_BGGR:
  38 +               case V4L2_PIX_FMT_PISP_COMP1_MONO: descr = "PiSP Bayer Comp 1"; break;
  39                 case V4L2_PIX_FMT_PISP_COMP2_RGGB:
  40                 case V4L2_PIX_FMT_PISP_COMP2_GRBG:
  41                 case V4L2_PIX_FMT_PISP_COMP2_GBRG:
  42 -               case V4L2_PIX_FMT_PISP_COMP2_BGGR: descr = "PiSP Bayer Comp 2"; break;
  43 +               case V4L2_PIX_FMT_PISP_COMP2_BGGR:
  44 +               case V4L2_PIX_FMT_PISP_COMP2_MONO: descr = "PiSP Bayer Comp 2"; break;
  45                 default:
  46                         if (fmt->description[0])
  47                                 return;
  48 --- a/include/uapi/linux/videodev2.h
  49 +++ b/include/uapi/linux/videodev2.h
  50 @@ -582,6 +582,10 @@ struct v4l2_pix_format {
  51  #define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
  52  #define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
  53
  54 +/* RGB formats (6 bytes per pixel) */
  55 +#define V4L2_PIX_FMT_BGR48 v4l2_fourcc('B', 'G', 'R', '6') /* 16  BGR-16-16-16 */
  56 +#define V4L2_PIX_FMT_RGB48 v4l2_fourcc('R', 'G', 'B', '6') /* 16  RGB-16-16-16 */
  57 +
  58  /* Grey formats */
  59  #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
  60  #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
  61 @@ -799,10 +803,12 @@ struct v4l2_pix_format {
  62  #define V4L2_PIX_FMT_PISP_COMP1_GRBG   v4l2_fourcc('P', 'C', '1', 'G')
  63  #define V4L2_PIX_FMT_PISP_COMP1_GBRG   v4l2_fourcc('P', 'C', '1', 'g')
  64  #define V4L2_PIX_FMT_PISP_COMP1_BGGR   v4l2_fourcc('P', 'C', '1', 'B')
  65 +#define V4L2_PIX_FMT_PISP_COMP1_MONO   v4l2_fourcc('P', 'C', '1', 'M')
  66  #define V4L2_PIX_FMT_PISP_COMP2_RGGB   v4l2_fourcc('P', 'C', '2', 'R')
  67  #define V4L2_PIX_FMT_PISP_COMP2_GRBG   v4l2_fourcc('P', 'C', '2', 'G')
  68  #define V4L2_PIX_FMT_PISP_COMP2_GBRG   v4l2_fourcc('P', 'C', '2', 'g')
  69  #define V4L2_PIX_FMT_PISP_COMP2_BGGR   v4l2_fourcc('P', 'C', '2', 'B')
  70 +#define V4L2_PIX_FMT_PISP_COMP2_MONO   v4l2_fourcc('P', 'C', '2', 'M')
  71
  72  /* SDR formats - used only for Software Defined Radio devices */
  73  #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */