target/linux/bcm27xx/patches-5.4/950-0850-staging-vc04_services-isp-Add-monochrome-image-forma.patch

   1 From ef305037fd7423386d3a59b640114bdff67d824f Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Wed, 6 May 2020 18:11:14 +0100
   4 Subject: [PATCH] staging: vc04_services: isp: Add monochrome image
   5  formats
   6
   7 Adds support for monochrome image formats in the various
   8 MIPI packings.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  11 ---
  12  .../bcm2835-isp/bcm2835_isp_fmts.h            | 52 ++++++++++++++++++-
  13  .../vc04_services/vchiq-mmal/mmal-encodings.h |  7 +++
  14  2 files changed, 58 insertions(+), 1 deletion(-)
  15
  16 --- a/drivers/staging/vc04_services/bcm2835-isp/bcm2835_isp_fmts.h
  17 +++ b/drivers/staging/vc04_services/bcm2835-isp/bcm2835_isp_fmts.h
  18 @@ -328,7 +328,57 @@ static const struct bcm2835_isp_fmt supp
  19                 .colorspace         = V4L2_COLORSPACE_RAW,
  20                 .step_size          = 2,
  21         }, {
  22 -               /* ISP statistics format */
  23 +               /* Monochrome MIPI formats */
  24 +               /* 8 bit */
  25 +               .fourcc             = V4L2_PIX_FMT_GREY,
  26 +               .depth              = 8,
  27 +               .bytesperline_align = 32,
  28 +               .flags              = 0,
  29 +               .mmal_fmt           = MMAL_ENCODING_GREY,
  30 +               .size_multiplier_x2 = 2,
  31 +               .colorspace         = V4L2_COLORSPACE_RAW,
  32 +               .step_size          = 2,
  33 +       }, {
  34 +               /* 10 bit */
  35 +               .fourcc             = V4L2_PIX_FMT_Y10P,
  36 +               .depth              = 10,
  37 +               .bytesperline_align = 32,
  38 +               .flags              = 0,
  39 +               .mmal_fmt           = MMAL_ENCODING_Y10P,
  40 +               .size_multiplier_x2 = 2,
  41 +               .colorspace         = V4L2_COLORSPACE_RAW,
  42 +               .step_size          = 2,
  43 +       }, {
  44 +               /* 12 bit */
  45 +               .fourcc             = V4L2_PIX_FMT_Y12P,
  46 +               .depth              = 12,
  47 +               .bytesperline_align = 32,
  48 +               .flags              = 0,
  49 +               .mmal_fmt           = MMAL_ENCODING_Y12P,
  50 +               .size_multiplier_x2 = 2,
  51 +               .colorspace         = V4L2_COLORSPACE_RAW,
  52 +               .step_size          = 2,
  53 +       }, {
  54 +               /* 14 bit */
  55 +               .fourcc             = V4L2_PIX_FMT_Y14P,
  56 +               .depth              = 14,
  57 +               .bytesperline_align = 32,
  58 +               .flags              = 0,
  59 +               .mmal_fmt           = MMAL_ENCODING_Y14P,
  60 +               .size_multiplier_x2 = 2,
  61 +               .colorspace         = V4L2_COLORSPACE_RAW,
  62 +               .step_size          = 2,
  63 +       }, {
  64 +               /* 16 bit */
  65 +               .fourcc             = V4L2_PIX_FMT_Y16,
  66 +               .depth              = 16,
  67 +               .bytesperline_align = 32,
  68 +               .flags              = 0,
  69 +               .mmal_fmt           = MMAL_ENCODING_Y16,
  70 +               .size_multiplier_x2 = 2,
  71 +               .colorspace         = V4L2_COLORSPACE_RAW,
  72 +               .step_size          = 2,
  73 +       }, {
  74                 .fourcc             = V4L2_META_FMT_BCM2835_ISP_STATS,
  75                 .mmal_fmt           = MMAL_ENCODING_BRCM_STATS,
  76                 /* The rest are not valid fields for stats. */
  77 --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h
  78 +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h
  79 @@ -102,6 +102,13 @@
  80  #define MMAL_ENCODING_BAYER_SGRBG16    MMAL_FOURCC('G', 'R', '1', '6')
  81  #define MMAL_ENCODING_BAYER_SRGGB16    MMAL_FOURCC('R', 'G', '1', '6')
  82
  83 +/* MIPI packed monochrome images */
  84 +#define MMAL_ENCODING_GREY    MMAL_FOURCC('G', 'R', 'E', 'Y')
  85 +#define MMAL_ENCODING_Y10P    MMAL_FOURCC('Y', '1', '0', 'P')
  86 +#define MMAL_ENCODING_Y12P    MMAL_FOURCC('Y', '1', '2', 'P')
  87 +#define MMAL_ENCODING_Y14P    MMAL_FOURCC('Y', '1', '4', 'P')
  88 +#define MMAL_ENCODING_Y16     MMAL_FOURCC('Y', '1', '6', ' ')
  89 +
  90  /** An EGL image handle
  91   */
  92  #define MMAL_ENCODING_EGL_IMAGE        MMAL_FOURCC('E', 'G', 'L', 'I')