forked from Minki/linux
3e81374e20
On R-Car H3 ES2.0, DU channels 0 and 3 are served by two separate pipelines from the same VSP. Support this in the DU driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/*
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* rcar_du_vsp.h -- 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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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/drmP.h>
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#include <drm/drm_crtc.h>
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struct rcar_du_format_info;
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struct rcar_du_vsp;
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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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* @alpha: value of the plane alpha property
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* @zpos: value of the plane zpos property
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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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unsigned int alpha;
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unsigned int zpos;
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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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#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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#endif
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#endif /* __RCAR_DU_VSP_H__ */
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