target/linux/bcm27xx/patches-4.19/950-0742-staging-bcm2835-codec-Add-support-for-ENUM_FRAMESIZE.patch

   1 From 9894906ad424f266853b61a6996b2da8b119c6e6 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Fri, 13 Sep 2019 17:19:33 +0100
   4 Subject: [PATCH] staging:bcm2835-codec: Add support for
   5  ENUM_FRAMESIZES
   6
   7 Required for compliance testing for the encoder.
   8
   9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  10 ---
  11  .../bcm2835-codec/bcm2835-v4l2-codec.c        | 48 +++++++++++++++++--
  12  1 file changed, 44 insertions(+), 4 deletions(-)
  13
  14 --- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  15 +++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  16 @@ -496,9 +496,10 @@ struct bcm2835_codec_fmt *get_default_fo
  17         return &dev->supported_fmts[capture ? 1 : 0].list[0];
  18  }
  19
  20 -static struct bcm2835_codec_fmt *find_format(struct v4l2_format *f,
  21 -                                            struct bcm2835_codec_dev *dev,
  22 -                                            bool capture)
  23 +static
  24 +struct bcm2835_codec_fmt *find_format_pix_fmt(u32 pix_fmt,
  25 +                                             struct bcm2835_codec_dev *dev,
  26 +                                             bool capture)
  27  {
  28         struct bcm2835_codec_fmt *fmt;
  29         unsigned int k;
  30 @@ -507,7 +508,7 @@ static struct bcm2835_codec_fmt *find_fo
  31
  32         for (k = 0; k < fmts->num_entries; k++) {
  33                 fmt = &fmts->list[k];
  34 -               if (fmt->fourcc == f->fmt.pix_mp.pixelformat)
  35 +               if (fmt->fourcc == pix_fmt)
  36                         break;
  37         }
  38         if (k == fmts->num_entries)
  39 @@ -516,6 +517,14 @@ static struct bcm2835_codec_fmt *find_fo
  40         return &fmts->list[k];
  41  }
  42
  43 +static inline
  44 +struct bcm2835_codec_fmt *find_format(struct v4l2_format *f,
  45 +                                     struct bcm2835_codec_dev *dev,
  46 +                                     bool capture)
  47 +{
  48 +       return find_format_pix_fmt(f->fmt.pix_mp.pixelformat, dev, capture);
  49 +}
  50 +
  51  static inline struct bcm2835_codec_ctx *file2ctx(struct file *file)
  52  {
  53         return container_of(file->private_data, struct bcm2835_codec_ctx, fh);
  54 @@ -1792,6 +1801,36 @@ static int vidioc_encoder_cmd(struct fil
  55         return 0;
  56  }
  57
  58 +static int vidioc_enum_framesizes(struct file *file, void *fh,
  59 +                                 struct v4l2_frmsizeenum *fsize)
  60 +{
  61 +       struct bcm2835_codec_fmt *fmt;
  62 +
  63 +       fmt = find_format_pix_fmt(fsize->pixel_format, file2ctx(file)->dev,
  64 +                                 true);
  65 +       if (!fmt)
  66 +               fmt = find_format_pix_fmt(fsize->pixel_format,
  67 +                                         file2ctx(file)->dev,
  68 +                                         false);
  69 +
  70 +       if (!fmt)
  71 +               return -EINVAL;
  72 +
  73 +       if (fsize->index)
  74 +               return -EINVAL;
  75 +
  76 +       fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
  77 +
  78 +       fsize->stepwise.min_width = MIN_W;
  79 +       fsize->stepwise.max_width = MAX_W;
  80 +       fsize->stepwise.step_width = 1;
  81 +       fsize->stepwise.min_height = MIN_H;
  82 +       fsize->stepwise.max_height = MAX_H;
  83 +       fsize->stepwise.step_height = 1;
  84 +
  85 +       return 0;
  86 +}
  87 +
  88  static const struct v4l2_ioctl_ops bcm2835_codec_ioctl_ops = {
  89         .vidioc_querycap        = vidioc_querycap,
  90
  91 @@ -1829,6 +1868,7 @@ static const struct v4l2_ioctl_ops bcm28
  92         .vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
  93         .vidioc_encoder_cmd = vidioc_encoder_cmd,
  94         .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd,
  95 +       .vidioc_enum_framesizes = vidioc_enum_framesizes,
  96  };
  97
  98  static int bcm2835_codec_set_ctrls(struct bcm2835_codec_ctx *ctx)