| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * rcar_du_writeback.h -- R-Car Display Unit Writeback Support |
| * |
| * Copyright (C) 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| */ |
| |
| #ifndef __RCAR_DU_WRITEBACK_H__ |
| #define __RCAR_DU_WRITEBACK_H__ |
| |
| #include <drm/drm_plane.h> |
| |
| struct rcar_du_crtc; |
| struct rcar_du_device; |
| struct vsp1_du_atomic_pipe_config; |
| |
| #ifdef CONFIG_DRM_RCAR_WRITEBACK |
| int rcar_du_writeback_init(struct rcar_du_device *rcdu, |
| struct rcar_du_crtc *rcrtc); |
| void rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, |
| struct vsp1_du_writeback_config *cfg); |
| void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc); |
| #else |
| static inline int rcar_du_writeback_init(struct rcar_du_device *rcdu, |
| struct rcar_du_crtc *rcrtc) |
| { |
| return -ENXIO; |
| } |
| static inline void |
| rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, |
| struct vsp1_du_writeback_config *cfg) |
| { |
| } |
| static inline void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc) |
| { |
| } |
| #endif |
| |
| #endif /* __RCAR_DU_WRITEBACK_H__ */ |
