diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_vsp.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_vsp.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h new file mode 100644 index 000000000..df3bf3805 --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h @@ -0,0 +1,76 @@ +/* + * rcar_du_vsp.h -- R-Car Display Unit VSP-Based Compositor + * + * Copyright (C) 2015 Renesas Electronics Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * 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 + * @alpha: value of the plane alpha property + */ +struct rcar_du_vsp_plane_state { + struct drm_plane_state state; + + const struct rcar_du_format_info *format; + + unsigned int alpha; +}; + +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); +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) { return 0; }; +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__ */ |