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/* 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/drm_plane.h>
struct drm_framebuffer;
struct rcar_du_format_info;
struct rcar_du_vsp;
struct sg_table;
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);
int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,
struct sg_table sg_tables[3]);
void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,
struct sg_table sg_tables[3]);
#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) { };
static inline int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp,
struct drm_framebuffer *fb,
struct sg_table sg_tables[3])
{
return -ENXIO;
}
static inline void rcar_du_vsp_unmap_fb(struct rcar_du_vsp *vsp,
struct drm_framebuffer *fb,
struct sg_table sg_tables[3])
{
}
#endif
#endif /* __RCAR_DU_VSP_H__ */
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