| 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
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| 2 | /* |
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| 3 | * R-Car Display Unit VSP-Based Compositor |
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| 4 | * |
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| 5 | * Copyright (C) 2015 Renesas Electronics Corporation |
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| 6 | * |
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| 7 | * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef __RCAR_DU_VSP_H__ |
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| 11 | #define __RCAR_DU_VSP_H__ |
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| 12 | |
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| 13 | #include <drm/drm_plane.h> |
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| 14 | |
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| 15 | struct drm_framebuffer; |
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| 16 | struct rcar_du_format_info; |
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| 17 | struct rcar_du_vsp; |
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| 18 | struct sg_table; |
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| 19 | |
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| 20 | struct rcar_du_vsp_plane { |
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| 21 | struct drm_plane plane; |
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| 22 | struct rcar_du_vsp *vsp; |
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| 23 | unsigned int index; |
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| 24 | }; |
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| 25 | |
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| 26 | struct rcar_du_vsp { |
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| 27 | unsigned int index; |
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| 28 | struct device *vsp; |
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| 29 | struct rcar_du_device *dev; |
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| 30 | struct rcar_du_vsp_plane *planes; |
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| 31 | unsigned int num_planes; |
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| 32 | }; |
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| 33 | |
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| 34 | static inline struct rcar_du_vsp_plane *to_rcar_vsp_plane(struct drm_plane *p) |
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| 35 | { |
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| 36 | return container_of(p, struct rcar_du_vsp_plane, plane); |
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| 37 | } |
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| 38 | |
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| 39 | /** |
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| 40 | * struct rcar_du_vsp_plane_state - Driver-specific plane state |
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| 41 | * @state: base DRM plane state |
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| 42 | * @format: information about the pixel format used by the plane |
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| 43 | * @sg_tables: scatter-gather tables for the frame buffer memory |
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| 44 | */ |
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| 45 | struct rcar_du_vsp_plane_state { |
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| 46 | struct drm_plane_state state; |
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| 47 | |
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| 48 | const struct rcar_du_format_info *format; |
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| 49 | struct sg_table sg_tables[3]; |
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| 50 | }; |
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| 51 | |
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| 52 | static inline struct rcar_du_vsp_plane_state * |
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| 53 | to_rcar_vsp_plane_state(struct drm_plane_state *state) |
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| 54 | { |
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| 55 | return container_of(state, struct rcar_du_vsp_plane_state, state); |
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| 56 | } |
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| 57 | |
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| 58 | #ifdef CONFIG_DRM_RCAR_VSP |
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| 59 | int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np, |
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| 60 | unsigned int crtcs); |
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| 61 | void rcar_du_vsp_enable(struct rcar_du_crtc *crtc); |
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| 62 | void rcar_du_vsp_disable(struct rcar_du_crtc *crtc); |
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| 63 | void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc); |
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| 64 | void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc); |
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| 65 | int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, |
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| 66 | struct sg_table sg_tables[3]); |
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| 67 | void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, |
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| 68 | struct sg_table sg_tables[3]); |
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| 69 | #else |
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| 70 | static inline int rcar_du_vsp_init(struct rcar_du_vsp *vsp, |
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| 71 | struct device_node *np, |
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| 72 | unsigned int crtcs) |
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| 73 | { |
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| 74 | return -ENXIO; |
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| 75 | } |
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| 76 | static inline void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) { }; |
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| 77 | static inline void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) { }; |
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| 78 | static inline void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) { }; |
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| 79 | static inline void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) { }; |
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| 80 | static inline int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, |
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| 81 | struct drm_framebuffer *fb, |
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| 82 | struct sg_table sg_tables[3]) |
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| 83 | { |
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| 84 | return -ENXIO; |
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| 85 | } |
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| 86 | static inline void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, |
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| 87 | struct drm_framebuffer *fb, |
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| 88 | struct sg_table sg_tables[3]) |
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| 89 | { |
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| 90 | } |
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| 91 | #endif |
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| 92 | |
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| 93 | #endif /* __RCAR_DU_VSP_H__ */ |
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| 94 | |
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