| Laurent Pinchart | 12e32f5 | 2019-02-21 03:40:12 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * rcar_du_writeback.h -- R-Car Display Unit Writeback Support |
| 4 | * |
| 5 | * Copyright (C) 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 6 | */ |
| 7 | |
| 8 | #ifndef __RCAR_DU_WRITEBACK_H__ |
| 9 | #define __RCAR_DU_WRITEBACK_H__ |
| 10 | |
| 11 | #include <drm/drm_plane.h> |
| 12 | |
| 13 | struct rcar_du_crtc; |
| 14 | struct rcar_du_device; |
| 15 | struct vsp1_du_atomic_pipe_config; |
| 16 | |
| 17 | #ifdef CONFIG_DRM_RCAR_WRITEBACK |
| 18 | int rcar_du_writeback_init(struct rcar_du_device *rcdu, |
| 19 | struct rcar_du_crtc *rcrtc); |
| 20 | void rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, |
| 21 | struct vsp1_du_writeback_config *cfg); |
| 22 | void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc); |
| 23 | #else |
| 24 | static inline int rcar_du_writeback_init(struct rcar_du_device *rcdu, |
| 25 | struct rcar_du_crtc *rcrtc) |
| 26 | { |
| 27 | return -ENXIO; |
| 28 | } |
| 29 | static inline void |
| 30 | rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, |
| 31 | struct vsp1_du_writeback_config *cfg) |
| 32 | { |
| 33 | } |
| 34 | static inline void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc) |
| 35 | { |
| 36 | } |
| 37 | #endif |
| 38 | |
| 39 | #endif /* __RCAR_DU_WRITEBACK_H__ */ |