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