2 * Copyright (c) 2015 MediaTek Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #ifndef MTK_DRM_DDP_COMP_H
15 #define MTK_DRM_DDP_COMP_H
23 struct mtk_plane_state;
24 struct drm_crtc_state;
26 enum mtk_ddp_comp_type {
40 MTK_DDP_COMP_TYPE_MAX,
43 enum mtk_ddp_comp_id {
68 struct mtk_ddp_comp_funcs {
69 void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
70 unsigned int h, unsigned int vrefresh, unsigned int bpc);
71 void (*start)(struct mtk_ddp_comp *comp);
72 void (*stop)(struct mtk_ddp_comp *comp);
73 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
74 void (*disable_vblank)(struct mtk_ddp_comp *comp);
75 void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
76 void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
77 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
78 struct mtk_plane_state *state);
79 void (*gamma_set)(struct mtk_ddp_comp *comp,
80 struct drm_crtc_state *state);
87 struct device *larb_dev;
88 enum mtk_ddp_comp_id id;
89 const struct mtk_ddp_comp_funcs *funcs;
92 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
93 unsigned int w, unsigned int h,
94 unsigned int vrefresh, unsigned int bpc)
96 if (comp->funcs && comp->funcs->config)
97 comp->funcs->config(comp, w, h, vrefresh, bpc);
100 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
102 if (comp->funcs && comp->funcs->start)
103 comp->funcs->start(comp);
106 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
108 if (comp->funcs && comp->funcs->stop)
109 comp->funcs->stop(comp);
112 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
113 struct drm_crtc *crtc)
115 if (comp->funcs && comp->funcs->enable_vblank)
116 comp->funcs->enable_vblank(comp, crtc);
119 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
121 if (comp->funcs && comp->funcs->disable_vblank)
122 comp->funcs->disable_vblank(comp);
125 static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
128 if (comp->funcs && comp->funcs->layer_on)
129 comp->funcs->layer_on(comp, idx);
132 static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
135 if (comp->funcs && comp->funcs->layer_off)
136 comp->funcs->layer_off(comp, idx);
139 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
141 struct mtk_plane_state *state)
143 if (comp->funcs && comp->funcs->layer_config)
144 comp->funcs->layer_config(comp, idx, state);
147 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
148 struct drm_crtc_state *state)
150 if (comp->funcs && comp->funcs->gamma_set)
151 comp->funcs->gamma_set(comp, state);
154 int mtk_ddp_comp_get_id(struct device_node *node,
155 enum mtk_ddp_comp_type comp_type);
156 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
157 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
158 const struct mtk_ddp_comp_funcs *funcs);
159 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
160 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
161 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
164 #endif /* MTK_DRM_DDP_COMP_H */