[media] soc-camera: Add plane layout information to struct soc_mbus_pixelfmt
To compute the value of the v4l2_pix_format::bytesperline field, we need
information about planes layout for planar formats. The new enum
soc_mbus_layout conveys that information.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/soc_mediabus.h b/include/media/soc_mediabus.h
index 73f1e7e..e18eed4 100644
--- a/include/media/soc_mediabus.h
+++ b/include/media/soc_mediabus.h
@@ -47,6 +47,24 @@
};
/**
+ * enum soc_mbus_layout - planes layout in memory
+ * @SOC_MBUS_LAYOUT_PACKED: color components packed
+ * @SOC_MBUS_LAYOUT_PLANAR_2Y_U_V: YUV components stored in 3 planes (4:2:2)
+ * @SOC_MBUS_LAYOUT_PLANAR_2Y_C: YUV components stored in a luma and a
+ * chroma plane (C plane is half the size
+ * of Y plane)
+ * @SOC_MBUS_LAYOUT_PLANAR_Y_C: YUV components stored in a luma and a
+ * chroma plane (C plane is the same size
+ * as Y plane)
+ */
+enum soc_mbus_layout {
+ SOC_MBUS_LAYOUT_PACKED = 0,
+ SOC_MBUS_LAYOUT_PLANAR_2Y_U_V,
+ SOC_MBUS_LAYOUT_PLANAR_2Y_C,
+ SOC_MBUS_LAYOUT_PLANAR_Y_C,
+};
+
+/**
* struct soc_mbus_pixelfmt - Data format on the media bus
* @name: Name of the format
* @fourcc: Fourcc code, that will be obtained if the data is
@@ -60,6 +78,7 @@
u32 fourcc;
enum soc_mbus_packing packing;
enum soc_mbus_order order;
+ enum soc_mbus_layout layout;
u8 bits_per_sample;
};