tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
11struct device;
12struct device_node;
13struct drm_crtc;
14struct drm_device;
15struct mtk_plane_state;
16struct drm_crtc_state;
17
18enum mtk_ddp_comp_type {
19 MTK_DISP_OVL,
20 MTK_DISP_RDMA,
21 MTK_DISP_WDMA,
22 MTK_DISP_COLOR,
23 MTK_DISP_AAL,
24 MTK_DISP_GAMMA,
25 MTK_DISP_UFOE,
26 MTK_DSI,
27 MTK_DPI,
28 MTK_DISP_PWM,
29 MTK_DISP_MUTEX,
30 MTK_DISP_OD,
31 MTK_DISP_BLS,
32 MTK_DDP_COMP_TYPE_MAX,
33};
34
35enum mtk_ddp_comp_id {
36 DDP_COMPONENT_AAL0,
37 DDP_COMPONENT_AAL1,
38 DDP_COMPONENT_BLS,
39 DDP_COMPONENT_COLOR0,
40 DDP_COMPONENT_COLOR1,
41 DDP_COMPONENT_DPI0,
42 DDP_COMPONENT_DPI1,
43 DDP_COMPONENT_DSI0,
44 DDP_COMPONENT_DSI1,
45 DDP_COMPONENT_DSI2,
46 DDP_COMPONENT_DSI3,
47 DDP_COMPONENT_GAMMA,
48 DDP_COMPONENT_OD0,
49 DDP_COMPONENT_OD1,
50 DDP_COMPONENT_OVL0,
51 DDP_COMPONENT_OVL1,
52 DDP_COMPONENT_PWM0,
53 DDP_COMPONENT_PWM1,
54 DDP_COMPONENT_PWM2,
55 DDP_COMPONENT_RDMA0,
56 DDP_COMPONENT_RDMA1,
57 DDP_COMPONENT_RDMA2,
58 DDP_COMPONENT_UFOE,
59 DDP_COMPONENT_WDMA0,
60 DDP_COMPONENT_WDMA1,
61 DDP_COMPONENT_ID_MAX,
62};
63
64struct mtk_ddp_comp;
65
66struct mtk_ddp_comp_funcs {
67 void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
68 unsigned int h, unsigned int vrefresh, unsigned int bpc);
69 void (*start)(struct mtk_ddp_comp *comp);
70 void (*stop)(struct mtk_ddp_comp *comp);
71 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
72 void (*disable_vblank)(struct mtk_ddp_comp *comp);
73 unsigned int (*layer_nr)(struct mtk_ddp_comp *comp);
74 void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
75 void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
76 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
77 struct mtk_plane_state *state);
78 void (*gamma_set)(struct mtk_ddp_comp *comp,
79 struct drm_crtc_state *state);
80};
81
82struct mtk_ddp_comp {
83 struct clk *clk;
84 void __iomem *regs;
85 int irq;
86 struct device *larb_dev;
87 enum mtk_ddp_comp_id id;
88 const struct mtk_ddp_comp_funcs *funcs;
89};
90
91static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
92 unsigned int w, unsigned int h,
93 unsigned int vrefresh, unsigned int bpc)
94{
95 if (comp->funcs && comp->funcs->config)
96 comp->funcs->config(comp, w, h, vrefresh, bpc);
97}
98
99static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
100{
101 if (comp->funcs && comp->funcs->start)
102 comp->funcs->start(comp);
103}
104
105static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
106{
107 if (comp->funcs && comp->funcs->stop)
108 comp->funcs->stop(comp);
109}
110
111static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
112 struct drm_crtc *crtc)
113{
114 if (comp->funcs && comp->funcs->enable_vblank)
115 comp->funcs->enable_vblank(comp, crtc);
116}
117
118static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
119{
120 if (comp->funcs && comp->funcs->disable_vblank)
121 comp->funcs->disable_vblank(comp);
122}
123
124static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
125{
126 if (comp->funcs && comp->funcs->layer_nr)
127 return comp->funcs->layer_nr(comp);
128
129 return 0;
130}
131
132static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
133 unsigned int idx)
134{
135 if (comp->funcs && comp->funcs->layer_on)
136 comp->funcs->layer_on(comp, idx);
137}
138
139static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
140 unsigned int idx)
141{
142 if (comp->funcs && comp->funcs->layer_off)
143 comp->funcs->layer_off(comp, idx);
144}
145
146static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
147 unsigned int idx,
148 struct mtk_plane_state *state)
149{
150 if (comp->funcs && comp->funcs->layer_config)
151 comp->funcs->layer_config(comp, idx, state);
152}
153
154static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
155 struct drm_crtc_state *state)
156{
157 if (comp->funcs && comp->funcs->gamma_set)
158 comp->funcs->gamma_set(comp, state);
159}
160
161int mtk_ddp_comp_get_id(struct device_node *node,
162 enum mtk_ddp_comp_type comp_type);
163int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
164 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
165 const struct mtk_ddp_comp_funcs *funcs);
166int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
167void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
168void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
169 unsigned int CFG);
170
171#endif /* MTK_DRM_DDP_COMP_H */