[PATCH RFC 1/2] v4l2: add stream format for SDR receiver

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Add new V4L2 stream format definition, named V4L2_BUF_TYPE_SDR_RX,
for SDR receiver.

Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
 drivers/media/v4l2-core/v4l2-ioctl.c |  1 +
 include/trace/events/v4l2.h          |  1 +
 include/uapi/linux/videodev2.h       | 11 +++++++++++
 3 files changed, 13 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index ee91a9f..5b6e0e8 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -149,6 +149,7 @@ const char *v4l2_type_names[] = {
 	[V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay",
 	[V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane",
 	[V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane",
+	[V4L2_BUF_TYPE_SDR_RX]             = "sdr-rx",
 };
 EXPORT_SYMBOL(v4l2_type_names);
 
diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h
index ef94eca..d2ddd82 100644
--- a/include/trace/events/v4l2.h
+++ b/include/trace/events/v4l2.h
@@ -18,6 +18,7 @@
 		{ V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" },\
 		{ V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" },\
 		{ V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,  "VIDEO_OUTPUT_MPLANE" }, \
+		{ V4L2_BUF_TYPE_SDR_RX,               "SDR_RX" }, \
 		{ V4L2_BUF_TYPE_PRIVATE,	      "PRIVATE" })
 
 #define show_field(field)						\
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 1bac6c4..694694a 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -139,6 +139,7 @@ enum v4l2_buf_type {
 #endif
 	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
 	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
+	V4L2_BUF_TYPE_SDR_RX               = 11,
 	/* Deprecated, do not use */
 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
 };
@@ -1703,6 +1704,15 @@ struct v4l2_pix_format_mplane {
 } __attribute__ ((packed));
 
 /**
+ * struct v4l2_format_sdr - SDR format definition
+ * @pixelformat:	little endian four character code (fourcc)
+ */
+struct v4l2_format_sdr {
+	__u32				pixelformat;
+	__u8				reserved[28];
+} __attribute__ ((packed));
+
+/**
  * struct v4l2_format - stream data format
  * @type:	enum v4l2_buf_type; type of the data stream
  * @pix:	definition of an image format
@@ -1720,6 +1730,7 @@ struct v4l2_format {
 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
+		struct v4l2_format_sdr		sdr;     /* V4L2_BUF_TYPE_SDR_RX */
 		__u8	raw_data[200];                   /* user-defined */
 	} fmt;
 };
-- 
1.8.4.2

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