Initial import

1 files changed, 70 insertions, 0 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
new file mode 100644
index 000000000..abff0ebeb
--- /dev/null
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
@@ -0,0 +1,70 @@
+/*
+ * rcar_du_plane.h  --  R-Car Display Unit Planes
+ *
+ * Copyright (C) 2013-2014 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 __RCAR_DU_PLANE_H__
+#define __RCAR_DU_PLANE_H__
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+
+struct rcar_du_format_info;
+struct rcar_du_group;
+
+/* The RCAR DU has 8 hardware planes, shared between primary and overlay planes.
+ * As using overlay planes requires at least one of the CRTCs being enabled, no
+ * more than 7 overlay planes can be available. We thus create 1 primary plane
+ * per CRTC and 7 overlay planes, for a total of up to 9 KMS planes.
+ */
+#define RCAR_DU_NUM_KMS_PLANES		9
+#define RCAR_DU_NUM_HW_PLANES		8
+
+struct rcar_du_plane {
+	struct drm_plane plane;
+	struct rcar_du_group *group;
+};
+
+static inline struct rcar_du_plane *to_rcar_plane(struct drm_plane *plane)
+{
+	return container_of(plane, struct rcar_du_plane, plane);
+}
+
+struct rcar_du_planes {
+	struct rcar_du_plane planes[RCAR_DU_NUM_KMS_PLANES];
+
+	struct drm_property *alpha;
+	struct drm_property *colorkey;
+	struct drm_property *zpos;
+};
+
+struct rcar_du_plane_state {
+	struct drm_plane_state state;
+
+	const struct rcar_du_format_info *format;
+	int hwindex;		/* 0-based, -1 means unused */
+
+	unsigned int alpha;
+	unsigned int colorkey;
+	unsigned int zpos;
+};
+
+static inline struct rcar_du_plane_state *
+to_rcar_du_plane_state(struct drm_plane_state *state)
+{
+	return container_of(state, struct rcar_du_plane_state, state);
+}
+
+int rcar_du_planes_init(struct rcar_du_group *rgrp);
+
+void rcar_du_plane_setup(struct rcar_du_plane *plane);
+
+#endif /* __RCAR_DU_PLANE_H__ */