[media] v4l: vsp1: Add VSP+DU support

Implement internal control of the VSP pipeline to be used by the DU
DRM/KMS driver when using the VSP as an internal composer handled
through DRM/KMS only.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

include/media/vsp1.h

@@ -0,0 +1,30 @@
+/*
+ * vsp1.h  --  R-Car VSP1 API
+ *
+ * Copyright (C) 2015 Renesas Electronics Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef __MEDIA_VSP1_H__
+#define __MEDIA_VSP1_H__
+
+#include <linux/types.h>
+
+struct device;
+struct v4l2_rect;
+
+int vsp1_du_init(struct device *dev);
+
+int vsp1_du_setup_lif(struct device *dev, unsigned int width,
+		      unsigned int height);
+
+int vsp1_du_setup_rpf(struct device *dev, unsigned int rpf, u32 pixelformat,
+		      unsigned int pitch, dma_addr_t mem[2],
+		      const struct v4l2_rect *src, const struct v4l2_rect *dst);
+
+#endif /* __MEDIA_VSP1_H__ */