1*11696c5eSBiju Das /* SPDX-License-Identifier: GPL-2.0+ */
2*11696c5eSBiju Das /*
3*11696c5eSBiju Das * R-Car Display Unit VSP-Based Compositor
4*11696c5eSBiju Das *
5*11696c5eSBiju Das * Copyright (C) 2015 Renesas Electronics Corporation
6*11696c5eSBiju Das *
7*11696c5eSBiju Das * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8*11696c5eSBiju Das */
9*11696c5eSBiju Das
10*11696c5eSBiju Das #ifndef __RCAR_DU_VSP_H__
11*11696c5eSBiju Das #define __RCAR_DU_VSP_H__
12*11696c5eSBiju Das
13*11696c5eSBiju Das #include <drm/drm_plane.h>
14*11696c5eSBiju Das
15*11696c5eSBiju Das struct drm_framebuffer;
16*11696c5eSBiju Das struct rcar_du_format_info;
17*11696c5eSBiju Das struct rcar_du_vsp;
18*11696c5eSBiju Das struct sg_table;
19*11696c5eSBiju Das
20*11696c5eSBiju Das struct rcar_du_vsp_plane {
21*11696c5eSBiju Das struct drm_plane plane;
22*11696c5eSBiju Das struct rcar_du_vsp *vsp;
23*11696c5eSBiju Das unsigned int index;
24*11696c5eSBiju Das };
25*11696c5eSBiju Das
26*11696c5eSBiju Das struct rcar_du_vsp {
27*11696c5eSBiju Das unsigned int index;
28*11696c5eSBiju Das struct device *vsp;
29*11696c5eSBiju Das struct rcar_du_device *dev;
30*11696c5eSBiju Das struct rcar_du_vsp_plane *planes;
31*11696c5eSBiju Das unsigned int num_planes;
32*11696c5eSBiju Das };
33*11696c5eSBiju Das
to_rcar_vsp_plane(struct drm_plane * p)34*11696c5eSBiju Das static inline struct rcar_du_vsp_plane *to_rcar_vsp_plane(struct drm_plane *p)
35*11696c5eSBiju Das {
36*11696c5eSBiju Das return container_of(p, struct rcar_du_vsp_plane, plane);
37*11696c5eSBiju Das }
38*11696c5eSBiju Das
39*11696c5eSBiju Das /**
40*11696c5eSBiju Das * struct rcar_du_vsp_plane_state - Driver-specific plane state
41*11696c5eSBiju Das * @state: base DRM plane state
42*11696c5eSBiju Das * @format: information about the pixel format used by the plane
43*11696c5eSBiju Das * @sg_tables: scatter-gather tables for the frame buffer memory
44*11696c5eSBiju Das */
45*11696c5eSBiju Das struct rcar_du_vsp_plane_state {
46*11696c5eSBiju Das struct drm_plane_state state;
47*11696c5eSBiju Das
48*11696c5eSBiju Das const struct rcar_du_format_info *format;
49*11696c5eSBiju Das struct sg_table sg_tables[3];
50*11696c5eSBiju Das };
51*11696c5eSBiju Das
52*11696c5eSBiju Das static inline struct rcar_du_vsp_plane_state *
to_rcar_vsp_plane_state(struct drm_plane_state * state)53*11696c5eSBiju Das to_rcar_vsp_plane_state(struct drm_plane_state *state)
54*11696c5eSBiju Das {
55*11696c5eSBiju Das return container_of(state, struct rcar_du_vsp_plane_state, state);
56*11696c5eSBiju Das }
57*11696c5eSBiju Das
58*11696c5eSBiju Das #ifdef CONFIG_DRM_RCAR_VSP
59*11696c5eSBiju Das int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
60*11696c5eSBiju Das unsigned int crtcs);
61*11696c5eSBiju Das void rcar_du_vsp_enable(struct rcar_du_crtc *crtc);
62*11696c5eSBiju Das void rcar_du_vsp_disable(struct rcar_du_crtc *crtc);
63*11696c5eSBiju Das void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc);
64*11696c5eSBiju Das void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc);
65*11696c5eSBiju Das int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,
66*11696c5eSBiju Das struct sg_table sg_tables[3]);
67*11696c5eSBiju Das void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,
68*11696c5eSBiju Das struct sg_table sg_tables[3]);
69*11696c5eSBiju Das #else
rcar_du_vsp_init(struct rcar_du_vsp * vsp,struct device_node * np,unsigned int crtcs)70*11696c5eSBiju Das static inline int rcar_du_vsp_init(struct rcar_du_vsp *vsp,
71*11696c5eSBiju Das struct device_node *np,
72*11696c5eSBiju Das unsigned int crtcs)
73*11696c5eSBiju Das {
74*11696c5eSBiju Das return -ENXIO;
75*11696c5eSBiju Das }
rcar_du_vsp_enable(struct rcar_du_crtc * crtc)76*11696c5eSBiju Das static inline void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) { };
rcar_du_vsp_disable(struct rcar_du_crtc * crtc)77*11696c5eSBiju Das static inline void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) { };
rcar_du_vsp_atomic_begin(struct rcar_du_crtc * crtc)78*11696c5eSBiju Das static inline void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) { };
rcar_du_vsp_atomic_flush(struct rcar_du_crtc * crtc)79*11696c5eSBiju Das static inline void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) { };
rcar_du_vsp_map_fb(struct rcar_du_vsp * vsp,struct drm_framebuffer * fb,struct sg_table sg_tables[3])80*11696c5eSBiju Das static inline int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp,
81*11696c5eSBiju Das struct drm_framebuffer *fb,
82*11696c5eSBiju Das struct sg_table sg_tables[3])
83*11696c5eSBiju Das {
84*11696c5eSBiju Das return -ENXIO;
85*11696c5eSBiju Das }
rcar_du_vsp_unmap_fb(struct rcar_du_vsp * vsp,struct drm_framebuffer * fb,struct sg_table sg_tables[3])86*11696c5eSBiju Das static inline void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp,
87*11696c5eSBiju Das struct drm_framebuffer *fb,
88*11696c5eSBiju Das struct sg_table sg_tables[3])
89*11696c5eSBiju Das {
90*11696c5eSBiju Das }
91*11696c5eSBiju Das #endif
92*11696c5eSBiju Das
93*11696c5eSBiju Das #endif /* __RCAR_DU_VSP_H__ */
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