[media] v4l2: add support for SDR transmitter

New IOCTL ops:
vidioc_enum_fmt_sdr_out
vidioc_g_fmt_sdr_out
vidioc_s_fmt_sdr_out
vidioc_try_fmt_sdr_out

New vb2 buffertype:
V4L2_BUF_TYPE_SDR_OUTPUT

New v4l2 capability:
V4L2_CAP_SDR_OUTPUT

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 056a5ade5870..073ab36b880a 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -153,6 +153,7 @@ const char *v4l2_type_names[] = {
         [V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane",
         [V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane",
         [V4L2_BUF_TYPE_SDR_CAPTURE]        = "sdr-cap",
+        [V4L2_BUF_TYPE_SDR_OUTPUT]         = "sdr-out",
 };
 EXPORT_SYMBOL(v4l2_type_names);
 
@@ -326,6 +327,7 @@ static void v4l_print_format(const void *arg, bool write_only)
                                 sliced->service_lines[1][i]);
                 break;
         case V4L2_BUF_TYPE_SDR_CAPTURE:
+        case V4L2_BUF_TYPE_SDR_OUTPUT:
                 sdr = &p->fmt.sdr;
                 pr_cont(", pixelformat=%c%c%c%c\n",
                         (sdr->pixelformat >>  0) & 0xff,
@@ -974,6 +976,10 @@ static int check_fmt(struct file *file, enum v4l2_buf_type type)
                 if (is_sdr && is_rx && ops->vidioc_g_fmt_sdr_cap)
                         return 0;
                 break;
+        case V4L2_BUF_TYPE_SDR_OUTPUT:
+                if (is_sdr && is_tx && ops->vidioc_g_fmt_sdr_out)
+                        return 0;
+                break;
         default:
                 break;
         }
@@ -1324,6 +1330,11 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
                         break;
                 ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg);
                 break;
+        case V4L2_BUF_TYPE_SDR_OUTPUT:
+                if (unlikely(!is_tx || !is_sdr || !ops->vidioc_enum_fmt_sdr_out))
+                        break;
+                ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg);
+                break;
         }
         if (ret == 0)
                 v4l_fill_fmtdesc(p);
@@ -1418,6 +1429,10 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
                 if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_sdr_cap))
                         break;
                 return ops->vidioc_g_fmt_sdr_cap(file, fh, arg);
+        case V4L2_BUF_TYPE_SDR_OUTPUT:
+                if (unlikely(!is_tx || !is_sdr || !ops->vidioc_g_fmt_sdr_out))
+                        break;
+                return ops->vidioc_g_fmt_sdr_out(file, fh, arg);
         }
         return -EINVAL;
 }
@@ -1497,6 +1512,11 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
                         break;
                 CLEAR_AFTER_FIELD(p, fmt.sdr);
                 return ops->vidioc_s_fmt_sdr_cap(file, fh, arg);
+        case V4L2_BUF_TYPE_SDR_OUTPUT:
+                if (unlikely(!is_tx || !is_sdr || !ops->vidioc_s_fmt_sdr_out))
+                        break;
+                CLEAR_AFTER_FIELD(p, fmt.sdr);
+                return ops->vidioc_s_fmt_sdr_out(file, fh, arg);
         }
         return -EINVAL;
 }
@@ -1576,6 +1596,11 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
                         break;
                 CLEAR_AFTER_FIELD(p, fmt.sdr);
                 return ops->vidioc_try_fmt_sdr_cap(file, fh, arg);
+        case V4L2_BUF_TYPE_SDR_OUTPUT:
+                if (unlikely(!is_tx || !is_sdr || !ops->vidioc_try_fmt_sdr_out))
+                        break;
+                CLEAR_AFTER_FIELD(p, fmt.sdr);
+                return ops->vidioc_try_fmt_sdr_out(file, fh, arg);
         }
         return -EINVAL;
 }