1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2015 MediaTek Inc.
4 */
5
6 #ifndef MTK_DRM_DDP_COMP_H
7 #define MTK_DRM_DDP_COMP_H
8
9 #include <linux/io.h>
10 #include <linux/soc/mediatek/mtk-cmdq.h>
11 #include <linux/soc/mediatek/mtk-mmsys.h>
12
13 struct device;
14 struct device_node;
15 struct drm_crtc;
16 struct drm_device;
17 struct mtk_plane_state;
18 struct drm_crtc_state;
19
20 enum mtk_ddp_comp_type {
21 MTK_DISP_OVL,
22 MTK_DISP_OVL_2L,
23 MTK_DISP_RDMA,
24 MTK_DISP_WDMA,
25 MTK_DISP_COLOR,
26 MTK_DISP_CCORR,
27 MTK_DISP_DITHER,
28 MTK_DISP_AAL,
29 MTK_DISP_GAMMA,
30 MTK_DISP_UFOE,
31 MTK_DSI,
32 MTK_DPI,
33 MTK_DISP_PWM,
34 MTK_DISP_MUTEX,
35 MTK_DISP_OD,
36 MTK_DISP_BLS,
37 MTK_DDP_COMP_TYPE_MAX,
38 };
39
40 struct mtk_ddp_comp;
41 struct cmdq_pkt;
42 struct mtk_ddp_comp_funcs {
43 int (*clk_enable)(struct device *dev);
44 void (*clk_disable)(struct device *dev);
45 void (*config)(struct device *dev, unsigned int w,
46 unsigned int h, unsigned int vrefresh,
47 unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
48 void (*start)(struct device *dev);
49 void (*stop)(struct device *dev);
50 void (*enable_vblank)(struct device *dev,
51 void (*vblank_cb)(void *),
52 void *vblank_cb_data);
53 void (*disable_vblank)(struct device *dev);
54 unsigned int (*supported_rotations)(struct device *dev);
55 unsigned int (*layer_nr)(struct device *dev);
56 int (*layer_check)(struct device *dev,
57 unsigned int idx,
58 struct mtk_plane_state *state);
59 void (*layer_config)(struct device *dev, unsigned int idx,
60 struct mtk_plane_state *state,
61 struct cmdq_pkt *cmdq_pkt);
62 void (*gamma_set)(struct device *dev,
63 struct drm_crtc_state *state);
64 void (*bgclr_in_on)(struct device *dev);
65 void (*bgclr_in_off)(struct device *dev);
66 void (*ctm_set)(struct device *dev,
67 struct drm_crtc_state *state);
68 };
69
70 struct mtk_ddp_comp {
71 struct device *dev;
72 int irq;
73 struct device *larb_dev;
74 enum mtk_ddp_comp_id id;
75 const struct mtk_ddp_comp_funcs *funcs;
76 };
77
mtk_ddp_comp_clk_enable(struct mtk_ddp_comp * comp)78 static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
79 {
80 if (comp->funcs && comp->funcs->clk_enable)
81 return comp->funcs->clk_enable(comp->dev);
82
83 return 0;
84 }
85
mtk_ddp_comp_clk_disable(struct mtk_ddp_comp * comp)86 static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
87 {
88 if (comp->funcs && comp->funcs->clk_disable)
89 comp->funcs->clk_disable(comp->dev);
90 }
91
mtk_ddp_comp_config(struct mtk_ddp_comp * comp,unsigned int w,unsigned int h,unsigned int vrefresh,unsigned int bpc,struct cmdq_pkt * cmdq_pkt)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,
95 struct cmdq_pkt *cmdq_pkt)
96 {
97 if (comp->funcs && comp->funcs->config)
98 comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
99 }
100
mtk_ddp_comp_start(struct mtk_ddp_comp * comp)101 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
102 {
103 if (comp->funcs && comp->funcs->start)
104 comp->funcs->start(comp->dev);
105 }
106
mtk_ddp_comp_stop(struct mtk_ddp_comp * comp)107 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
108 {
109 if (comp->funcs && comp->funcs->stop)
110 comp->funcs->stop(comp->dev);
111 }
112
mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp * comp,void (* vblank_cb)(void *),void * vblank_cb_data)113 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
114 void (*vblank_cb)(void *),
115 void *vblank_cb_data)
116 {
117 if (comp->funcs && comp->funcs->enable_vblank)
118 comp->funcs->enable_vblank(comp->dev, vblank_cb, vblank_cb_data);
119 }
120
mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp * comp)121 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
122 {
123 if (comp->funcs && comp->funcs->disable_vblank)
124 comp->funcs->disable_vblank(comp->dev);
125 }
126
127 static inline
mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp * comp)128 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
129 {
130 if (comp->funcs && comp->funcs->supported_rotations)
131 return comp->funcs->supported_rotations(comp->dev);
132
133 return 0;
134 }
135
mtk_ddp_comp_layer_nr(struct mtk_ddp_comp * comp)136 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
137 {
138 if (comp->funcs && comp->funcs->layer_nr)
139 return comp->funcs->layer_nr(comp->dev);
140
141 return 0;
142 }
143
mtk_ddp_comp_layer_check(struct mtk_ddp_comp * comp,unsigned int idx,struct mtk_plane_state * state)144 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
145 unsigned int idx,
146 struct mtk_plane_state *state)
147 {
148 if (comp->funcs && comp->funcs->layer_check)
149 return comp->funcs->layer_check(comp->dev, idx, state);
150 return 0;
151 }
152
mtk_ddp_comp_layer_config(struct mtk_ddp_comp * comp,unsigned int idx,struct mtk_plane_state * state,struct cmdq_pkt * cmdq_pkt)153 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
154 unsigned int idx,
155 struct mtk_plane_state *state,
156 struct cmdq_pkt *cmdq_pkt)
157 {
158 if (comp->funcs && comp->funcs->layer_config)
159 comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
160 }
161
mtk_ddp_gamma_set(struct mtk_ddp_comp * comp,struct drm_crtc_state * state)162 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
163 struct drm_crtc_state *state)
164 {
165 if (comp->funcs && comp->funcs->gamma_set)
166 comp->funcs->gamma_set(comp->dev, state);
167 }
168
mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp * comp)169 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
170 {
171 if (comp->funcs && comp->funcs->bgclr_in_on)
172 comp->funcs->bgclr_in_on(comp->dev);
173 }
174
mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp * comp)175 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
176 {
177 if (comp->funcs && comp->funcs->bgclr_in_off)
178 comp->funcs->bgclr_in_off(comp->dev);
179 }
180
mtk_ddp_ctm_set(struct mtk_ddp_comp * comp,struct drm_crtc_state * state)181 static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
182 struct drm_crtc_state *state)
183 {
184 if (comp->funcs && comp->funcs->ctm_set)
185 comp->funcs->ctm_set(comp->dev, state);
186 }
187
188 int mtk_ddp_comp_get_id(struct device_node *node,
189 enum mtk_ddp_comp_type comp_type);
190 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
191 struct device *dev);
192 int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
193 enum mtk_ddp_comp_id comp_id);
194 enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
195 void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
196 struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
197 unsigned int offset);
198 void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
199 struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
200 unsigned int offset);
201 void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
202 struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
203 unsigned int offset, unsigned int mask);
204 #endif /* MTK_DRM_DDP_COMP_H */
205