media: v4l2-dv-timings: add v4l2_hdmi_colorimetry()

Add the v4l2_hdmi_colorimetry() function so we have a single function
that determines the colorspace, YCbCr encoding, quantization range and
transfer function from the InfoFrame data.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h
index 8778263a8f5d..17cb27df1b81 100644
--- a/include/media/v4l2-dv-timings.h
+++ b/include/media/v4l2-dv-timings.h
@@ -212,5 +212,26 @@ static inline  bool can_reduce_fps(struct v4l2_bt_timings *bt)
 	return false;
 }
 
+/**
+ * struct v4l2_hdmi_rx_colorimetry - describes the HDMI colorimetry information
+ * @colorspace:		enum v4l2_colorspace, the colorspace
+ * @ycbcr_enc:		enum v4l2_ycbcr_encoding, Y'CbCr encoding
+ * @quantization:	enum v4l2_quantization, colorspace quantization
+ * @xfer_func:		enum v4l2_xfer_func, colorspace transfer function
+ */
+struct v4l2_hdmi_colorimetry {
+	enum v4l2_colorspace colorspace;
+	enum v4l2_ycbcr_encoding ycbcr_enc;
+	enum v4l2_quantization quantization;
+	enum v4l2_xfer_func xfer_func;
+};
+
+struct hdmi_avi_infoframe;
+struct hdmi_vendor_infoframe;
+
+struct v4l2_hdmi_colorimetry
+v4l2_hdmi_rx_colorimetry(const struct hdmi_avi_infoframe *avi,
+			 const struct hdmi_vendor_infoframe *hdmi,
+			 unsigned int height);
 
 #endif