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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * R-Car Display Unit VSP-Based Compositor4 *5 * Copyright (C) 2015 Renesas Electronics Corporation6 *7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)8 */9 10#ifndef __RCAR_DU_VSP_H__11#define __RCAR_DU_VSP_H__12 13#include <drm/drm_plane.h>14 15struct drm_framebuffer;16struct rcar_du_format_info;17struct rcar_du_vsp;18struct sg_table;19 20struct rcar_du_vsp_plane {21 struct drm_plane plane;22 struct rcar_du_vsp *vsp;23 unsigned int index;24};25 26struct rcar_du_vsp {27 unsigned int index;28 struct device *vsp;29 struct rcar_du_device *dev;30 struct rcar_du_vsp_plane *planes;31 unsigned int num_planes;32};33 34static inline struct rcar_du_vsp_plane *to_rcar_vsp_plane(struct drm_plane *p)35{36 return container_of(p, struct rcar_du_vsp_plane, plane);37}38 39/**40 * struct rcar_du_vsp_plane_state - Driver-specific plane state41 * @state: base DRM plane state42 * @format: information about the pixel format used by the plane43 * @sg_tables: scatter-gather tables for the frame buffer memory44 */45struct rcar_du_vsp_plane_state {46 struct drm_plane_state state;47 48 const struct rcar_du_format_info *format;49 struct sg_table sg_tables[3];50};51 52static inline struct rcar_du_vsp_plane_state *53to_rcar_vsp_plane_state(struct drm_plane_state *state)54{55 return container_of(state, struct rcar_du_vsp_plane_state, state);56}57 58#ifdef CONFIG_DRM_RCAR_VSP59int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,60 unsigned int crtcs);61void rcar_du_vsp_enable(struct rcar_du_crtc *crtc);62void rcar_du_vsp_disable(struct rcar_du_crtc *crtc);63void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc);64void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc);65int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,66 struct sg_table sg_tables[3]);67void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,68 struct sg_table sg_tables[3]);69#else70static inline int rcar_du_vsp_init(struct rcar_du_vsp *vsp,71 struct device_node *np,72 unsigned int crtcs)73{74 return -ENXIO;75}76static inline void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) { };77static inline void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) { };78static inline void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) { };79static inline void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) { };80static inline int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp,81 struct drm_framebuffer *fb,82 struct sg_table sg_tables[3])83{84 return -ENXIO;85}86static inline void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp,87 struct drm_framebuffer *fb,88 struct sg_table sg_tables[3])89{90}91#endif92 93#endif /* __RCAR_DU_VSP_H__ */94