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;
25 enum mtk_ddp_comp_type {
38 MTK_DDP_COMP_TYPE_MAX,
41 enum mtk_ddp_comp_id {
65 struct mtk_ddp_comp_funcs {
66 void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
67 unsigned int h, unsigned int vrefresh);
68 void (*start)(struct mtk_ddp_comp *comp);
69 void (*stop)(struct mtk_ddp_comp *comp);
70 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
71 void (*disable_vblank)(struct mtk_ddp_comp *comp);
72 void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
73 void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
74 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
75 struct mtk_plane_state *state);
82 struct device *larb_dev;
83 enum mtk_ddp_comp_id id;
84 const struct mtk_ddp_comp_funcs *funcs;
87 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
88 unsigned int w, unsigned int h,
89 unsigned int vrefresh)
91 if (comp->funcs && comp->funcs->config)
92 comp->funcs->config(comp, w, h, vrefresh);
95 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
97 if (comp->funcs && comp->funcs->start)
98 comp->funcs->start(comp);
101 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
103 if (comp->funcs && comp->funcs->stop)
104 comp->funcs->stop(comp);
107 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
108 struct drm_crtc *crtc)
110 if (comp->funcs && comp->funcs->enable_vblank)
111 comp->funcs->enable_vblank(comp, crtc);
114 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
116 if (comp->funcs && comp->funcs->disable_vblank)
117 comp->funcs->disable_vblank(comp);
120 static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
123 if (comp->funcs && comp->funcs->layer_on)
124 comp->funcs->layer_on(comp, idx);
127 static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
130 if (comp->funcs && comp->funcs->layer_off)
131 comp->funcs->layer_off(comp, idx);
134 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
136 struct mtk_plane_state *state)
138 if (comp->funcs && comp->funcs->layer_config)
139 comp->funcs->layer_config(comp, idx, state);
142 int mtk_ddp_comp_get_id(struct device_node *node,
143 enum mtk_ddp_comp_type comp_type);
144 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
145 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
146 const struct mtk_ddp_comp_funcs *funcs);
147 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
148 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
150 #endif /* MTK_DRM_DDP_COMP_H */