[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>

3 files changed, 13 insertions, 1 deletions

diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 8fbbd76d78e8..017ffb2220c7 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -36,6 +36,8 @@ struct v4l2_ioctl_ops {
                                               struct v4l2_fmtdesc *f);
         int (*vidioc_enum_fmt_sdr_cap)     (struct file *file, void *fh,
                                             struct v4l2_fmtdesc *f);
+        int (*vidioc_enum_fmt_sdr_out)     (struct file *file, void *fh,
+                                            struct v4l2_fmtdesc *f);
 
         /* VIDIOC_G_FMT handlers */
         int (*vidioc_g_fmt_vid_cap)    (struct file *file, void *fh,
@@ -60,6 +62,8 @@ struct v4l2_ioctl_ops {
                                            struct v4l2_format *f);
         int (*vidioc_g_fmt_sdr_cap)    (struct file *file, void *fh,
                                         struct v4l2_format *f);
+        int (*vidioc_g_fmt_sdr_out)    (struct file *file, void *fh,
+                                        struct v4l2_format *f);
 
         /* VIDIOC_S_FMT handlers */
         int (*vidioc_s_fmt_vid_cap)    (struct file *file, void *fh,
@@ -84,6 +88,8 @@ struct v4l2_ioctl_ops {
                                            struct v4l2_format *f);
         int (*vidioc_s_fmt_sdr_cap)    (struct file *file, void *fh,
                                         struct v4l2_format *f);
+        int (*vidioc_s_fmt_sdr_out)    (struct file *file, void *fh,
+                                        struct v4l2_format *f);
 
         /* VIDIOC_TRY_FMT handlers */
         int (*vidioc_try_fmt_vid_cap)    (struct file *file, void *fh,
@@ -108,6 +114,8 @@ struct v4l2_ioctl_ops {
                                              struct v4l2_format *f);
         int (*vidioc_try_fmt_sdr_cap)    (struct file *file, void *fh,
                                           struct v4l2_format *f);
+        int (*vidioc_try_fmt_sdr_out)    (struct file *file, void *fh,
+                                          struct v4l2_format *f);
 
         /* Buffer handlers */
         int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b);
diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h
index 04ef89b15ae2..22afa26e34b2 100644
--- a/include/trace/events/v4l2.h
+++ b/include/trace/events/v4l2.h
@@ -28,6 +28,7 @@
         EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
         EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,  "VIDEO_OUTPUT_MPLANE" ) \
         EM( V4L2_BUF_TYPE_SDR_CAPTURE,          "SDR_CAPTURE" )         \
+        EM( V4L2_BUF_TYPE_SDR_OUTPUT,           "SDR_OUTPUT" )          \
         EMe(V4L2_BUF_TYPE_PRIVATE,              "PRIVATE" )
 
 SHOW_TYPE
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index fa8bf2d07a52..f95e1ef0e7e6 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -145,6 +145,7 @@ enum v4l2_buf_type {
         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
         V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
+        V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
         /* Deprecated, do not use */
         V4L2_BUF_TYPE_PRIVATE              = 0x80,
 };
@@ -159,7 +160,8 @@ enum v4l2_buf_type {
          || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY               \
          || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY        \
          || (type) == V4L2_BUF_TYPE_VBI_OUTPUT                  \
-         || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
+         || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT           \
+         || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
 
 enum v4l2_tuner_type {
         V4L2_TUNER_RADIO             = 1,
@@ -435,6 +437,7 @@ struct v4l2_capability {
 
 #define V4L2_CAP_SDR_CAPTURE            0x00100000  /* Is a SDR capture device */
 #define V4L2_CAP_EXT_PIX_FORMAT         0x00200000  /* Supports the extended pixel format */
+#define V4L2_CAP_SDR_OUTPUT             0x00400000  /* Is a SDR output device */
 
 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */