media: sun6i-csi: Add dimensions and format helpers to capture

Define and export useful helpers to access dimensions and pixel format.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c

@@ -25,6 +25,25 @@
 
 /* Helpers */
 
+void sun6i_csi_capture_dimensions(struct sun6i_csi_device *csi_dev,
+				  unsigned int *width, unsigned int *height)
+{
+	if (width)
+		*width = csi_dev->capture.format.fmt.pix.width;
+	if (height)
+		*height = csi_dev->capture.format.fmt.pix.height;
+}
+
+void sun6i_csi_capture_format(struct sun6i_csi_device *csi_dev,
+			      u32 *pixelformat, u32 *field)
+{
+	if (pixelformat)
+		*pixelformat = csi_dev->capture.format.fmt.pix.pixelformat;
+
+	if (field)
+		*field = csi_dev->capture.format.fmt.pix.field;
+}
+
 static struct v4l2_subdev *
 sun6i_csi_capture_remote_subdev(struct sun6i_csi_capture *capture, u32 *pad)
 {

drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h

@@ -37,6 +37,11 @@ struct sun6i_csi_capture {
 	u32				mbus_code;
 };
 
+void sun6i_csi_capture_dimensions(struct sun6i_csi_device *csi_dev,
+				  unsigned int *width, unsigned int *height);
+void sun6i_csi_capture_format(struct sun6i_csi_device *csi_dev,
+			      u32 *pixelformat, u32 *field);
+
 void sun6i_csi_capture_sync(struct sun6i_csi_device *csi_dev);
 void sun6i_csi_capture_frame_done(struct sun6i_csi_device *csi_dev);