blob: f876c512163c3c93d76f76b33ef5710db3248500 [file] [log] [blame]
* rcar_du_vsp.h -- R-Car Display Unit VSP-Based Compositor
* Copyright (C) 2015 Renesas Electronics Corporation
* Contact: Laurent Pinchart (
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
#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
* @alpha: value of the plane alpha property
* @zpos: value of the plane zpos property
struct rcar_du_vsp_plane_state {
struct drm_plane_state state;
const struct rcar_du_format_info *format;
struct sg_table sg_tables[3];
unsigned int alpha;
unsigned int zpos;
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);
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);
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 /* __RCAR_DU_VSP_H__ */