1/*
 2 * rcar_du_vsp.h  --  R-Car Display Unit VSP-Based Compositor
 3 *
 4 * Copyright (C) 2015 Renesas Electronics Corporation
 5 *
 6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
 7 *
 8 * This program is free software; you can redistribute it and/or modify
 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#ifndef __RCAR_DU_VSP_H__
15#define __RCAR_DU_VSP_H__
16
17#include <drm/drmP.h>
18#include <drm/drm_crtc.h>
19
20struct rcar_du_format_info;
21struct rcar_du_vsp;
22
23struct rcar_du_vsp_plane {
24	struct drm_plane plane;
25	struct rcar_du_vsp *vsp;
26	unsigned int index;
27};
28
29struct rcar_du_vsp {
30	unsigned int index;
31	struct device *vsp;
32	struct rcar_du_device *dev;
33	struct rcar_du_vsp_plane *planes;
34	unsigned int num_planes;
35};
36
37static inline struct rcar_du_vsp_plane *to_rcar_vsp_plane(struct drm_plane *p)
38{
39	return container_of(p, struct rcar_du_vsp_plane, plane);
40}
41
42/**
43 * struct rcar_du_vsp_plane_state - Driver-specific plane state
44 * @state: base DRM plane state
45 * @format: information about the pixel format used by the plane
46 * @alpha: value of the plane alpha property
47 */
48struct rcar_du_vsp_plane_state {
49	struct drm_plane_state state;
50
51	const struct rcar_du_format_info *format;
52
53	unsigned int alpha;
54};
55
56static inline struct rcar_du_vsp_plane_state *
57to_rcar_vsp_plane_state(struct drm_plane_state *state)
58{
59	return container_of(state, struct rcar_du_vsp_plane_state, state);
60}
61
62#ifdef CONFIG_DRM_RCAR_VSP
63int rcar_du_vsp_init(struct rcar_du_vsp *vsp);
64void rcar_du_vsp_enable(struct rcar_du_crtc *crtc);
65void rcar_du_vsp_disable(struct rcar_du_crtc *crtc);
66void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc);
67void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc);
68#else
69static inline int rcar_du_vsp_init(struct rcar_du_vsp *vsp) { return 0; };
70static inline void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) { };
71static inline void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) { };
72static inline void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) { };
73static inline void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) { };
74#endif
75
76#endif /* __RCAR_DU_VSP_H__ */