/* SPDX-License-Identifier: GPL-2.0+ */ /* * rcar_du_vsp.h -- R-Car Display Unit VSP-Based Compositor * * Copyright (C) 2015 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ #ifndef __RCAR_DU_VSP_H__ #define __RCAR_DU_VSP_H__ #include <drm/drmP.h> #include <drm/drm_crtc.h> struct rcar_du_format_info; struct rcar_du_vsp; struct rcar_du_vsp_plane { struct drm_plane plane; struct rcar_du_vsp *vsp; unsigned int index; }; struct rcar_du_vsp { unsigned int index; struct device *vsp; struct rcar_du_device *dev; struct rcar_du_vsp_plane *planes; unsigned int num_planes; }; static inline struct rcar_du_vsp_plane *to_rcar_vsp_plane(struct drm_plane *p) { return container_of(p, struct rcar_du_vsp_plane, plane); } /** * struct rcar_du_vsp_plane_state - Driver-specific plane state * @state: base DRM plane state * @format: information about the pixel format used by the plane * @sg_tables: scatter-gather tables for the frame buffer memory */ struct rcar_du_vsp_plane_state { struct drm_plane_state state; const struct rcar_du_format_info *format; struct sg_table sg_tables[3]; }; static inline struct rcar_du_vsp_plane_state * to_rcar_vsp_plane_state(struct drm_plane_state *state) { return container_of(state, struct rcar_du_vsp_plane_state, state); } #ifdef CONFIG_DRM_RCAR_VSP int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np, unsigned int crtcs); void rcar_du_vsp_enable(struct rcar_du_crtc *crtc); void rcar_du_vsp_disable(struct rcar_du_crtc *crtc); void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc); void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc); #else static inline int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np, unsigned int crtcs) { return -ENXIO; } static inline void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) { }; static inline void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) { }; static inline void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) { }; static inline void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) { }; #endif #endif /* __RCAR_DU_VSP_H__ */