tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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#include <linux/pm_runtime.h>
11#include <linux/soc/mediatek/mtk-cmdq.h>
12#include <linux/soc/mediatek/mtk-mmsys.h>
13#include <linux/soc/mediatek/mtk-mutex.h>
14
15struct device;
16struct device_node;
17struct drm_crtc;
18struct drm_device;
19struct mtk_plane_state;
20struct drm_crtc_state;
21
22enum mtk_ddp_comp_type {
23 MTK_DISP_AAL,
24 MTK_DISP_BLS,
25 MTK_DISP_CCORR,
26 MTK_DISP_COLOR,
27 MTK_DISP_DITHER,
28 MTK_DISP_DSC,
29 MTK_DISP_GAMMA,
30 MTK_DISP_MERGE,
31 MTK_DISP_MUTEX,
32 MTK_DISP_OD,
33 MTK_DISP_OVL,
34 MTK_DISP_OVL_2L,
35 MTK_DISP_OVL_ADAPTOR,
36 MTK_DISP_POSTMASK,
37 MTK_DISP_PWM,
38 MTK_DISP_RDMA,
39 MTK_DISP_UFOE,
40 MTK_DISP_WDMA,
41 MTK_DPI,
42 MTK_DP_INTF,
43 MTK_DSI,
44 MTK_DDP_COMP_TYPE_MAX,
45};
46
47struct mtk_ddp_comp;
48struct cmdq_pkt;
49struct mtk_ddp_comp_funcs {
50 int (*power_on)(struct device *dev);
51 void (*power_off)(struct device *dev);
52 int (*clk_enable)(struct device *dev);
53 void (*clk_disable)(struct device *dev);
54 void (*config)(struct device *dev, unsigned int w,
55 unsigned int h, unsigned int vrefresh,
56 unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
57 void (*start)(struct device *dev);
58 void (*stop)(struct device *dev);
59 void (*register_vblank_cb)(struct device *dev,
60 void (*vblank_cb)(void *),
61 void *vblank_cb_data);
62 void (*unregister_vblank_cb)(struct device *dev);
63 void (*enable_vblank)(struct device *dev);
64 void (*disable_vblank)(struct device *dev);
65 unsigned int (*supported_rotations)(struct device *dev);
66 unsigned int (*layer_nr)(struct device *dev);
67 int (*layer_check)(struct device *dev,
68 unsigned int idx,
69 struct mtk_plane_state *state);
70 void (*layer_config)(struct device *dev, unsigned int idx,
71 struct mtk_plane_state *state,
72 struct cmdq_pkt *cmdq_pkt);
73 unsigned int (*gamma_get_lut_size)(struct device *dev);
74 void (*gamma_set)(struct device *dev,
75 struct drm_crtc_state *state);
76 void (*bgclr_in_on)(struct device *dev);
77 void (*bgclr_in_off)(struct device *dev);
78 void (*ctm_set)(struct device *dev,
79 struct drm_crtc_state *state);
80 struct device * (*dma_dev_get)(struct device *dev);
81 const u32 *(*get_formats)(struct device *dev);
82 size_t (*get_num_formats)(struct device *dev);
83 void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
84 void (*disconnect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
85 void (*add)(struct device *dev, struct mtk_mutex *mutex);
86 void (*remove)(struct device *dev, struct mtk_mutex *mutex);
87 unsigned int (*encoder_index)(struct device *dev);
88};
89
90struct mtk_ddp_comp {
91 struct device *dev;
92 int irq;
93 unsigned int id;
94 int encoder_index;
95 const struct mtk_ddp_comp_funcs *funcs;
96};
97
98static inline int mtk_ddp_comp_power_on(struct mtk_ddp_comp *comp)
99{
100 if (comp->funcs && comp->funcs->power_on)
101 return comp->funcs->power_on(comp->dev);
102 else
103 return pm_runtime_resume_and_get(comp->dev);
104 return 0;
105}
106
107static inline void mtk_ddp_comp_power_off(struct mtk_ddp_comp *comp)
108{
109 if (comp->funcs && comp->funcs->power_off)
110 comp->funcs->power_off(comp->dev);
111 else
112 pm_runtime_put(comp->dev);
113}
114
115static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
116{
117 if (comp->funcs && comp->funcs->clk_enable)
118 return comp->funcs->clk_enable(comp->dev);
119
120 return 0;
121}
122
123static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
124{
125 if (comp->funcs && comp->funcs->clk_disable)
126 comp->funcs->clk_disable(comp->dev);
127}
128
129static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
130 unsigned int w, unsigned int h,
131 unsigned int vrefresh, unsigned int bpc,
132 struct cmdq_pkt *cmdq_pkt)
133{
134 if (comp->funcs && comp->funcs->config)
135 comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
136}
137
138static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
139{
140 if (comp->funcs && comp->funcs->start)
141 comp->funcs->start(comp->dev);
142}
143
144static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
145{
146 if (comp->funcs && comp->funcs->stop)
147 comp->funcs->stop(comp->dev);
148}
149
150static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
151 void (*vblank_cb)(void *),
152 void *vblank_cb_data)
153{
154 if (comp->funcs && comp->funcs->register_vblank_cb)
155 comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
156 vblank_cb_data);
157}
158
159static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
160{
161 if (comp->funcs && comp->funcs->unregister_vblank_cb)
162 comp->funcs->unregister_vblank_cb(comp->dev);
163}
164
165static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
166{
167 if (comp->funcs && comp->funcs->enable_vblank)
168 comp->funcs->enable_vblank(comp->dev);
169}
170
171static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
172{
173 if (comp->funcs && comp->funcs->disable_vblank)
174 comp->funcs->disable_vblank(comp->dev);
175}
176
177static inline
178unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
179{
180 if (comp->funcs && comp->funcs->supported_rotations)
181 return comp->funcs->supported_rotations(comp->dev);
182
183 return 0;
184}
185
186static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
187{
188 if (comp->funcs && comp->funcs->layer_nr)
189 return comp->funcs->layer_nr(comp->dev);
190
191 return 0;
192}
193
194static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
195 unsigned int idx,
196 struct mtk_plane_state *state)
197{
198 if (comp->funcs && comp->funcs->layer_check)
199 return comp->funcs->layer_check(comp->dev, idx, state);
200 return 0;
201}
202
203static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
204 unsigned int idx,
205 struct mtk_plane_state *state,
206 struct cmdq_pkt *cmdq_pkt)
207{
208 if (comp->funcs && comp->funcs->layer_config)
209 comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
210}
211
212static inline unsigned int mtk_ddp_gamma_get_lut_size(struct mtk_ddp_comp *comp)
213{
214 if (comp->funcs && comp->funcs->gamma_get_lut_size)
215 return comp->funcs->gamma_get_lut_size(comp->dev);
216
217 return 0;
218}
219
220static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
221 struct drm_crtc_state *state)
222{
223 if (comp->funcs && comp->funcs->gamma_set)
224 comp->funcs->gamma_set(comp->dev, state);
225}
226
227static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
228{
229 if (comp->funcs && comp->funcs->bgclr_in_on)
230 comp->funcs->bgclr_in_on(comp->dev);
231}
232
233static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
234{
235 if (comp->funcs && comp->funcs->bgclr_in_off)
236 comp->funcs->bgclr_in_off(comp->dev);
237}
238
239static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
240 struct drm_crtc_state *state)
241{
242 if (comp->funcs && comp->funcs->ctm_set)
243 comp->funcs->ctm_set(comp->dev, state);
244}
245
246static inline struct device *mtk_ddp_comp_dma_dev_get(struct mtk_ddp_comp *comp)
247{
248 if (comp->funcs && comp->funcs->dma_dev_get)
249 return comp->funcs->dma_dev_get(comp->dev);
250 return comp->dev;
251}
252
253static inline
254const u32 *mtk_ddp_comp_get_formats(struct mtk_ddp_comp *comp)
255{
256 if (comp->funcs && comp->funcs->get_formats)
257 return comp->funcs->get_formats(comp->dev);
258
259 return NULL;
260}
261
262static inline
263size_t mtk_ddp_comp_get_num_formats(struct mtk_ddp_comp *comp)
264{
265 if (comp->funcs && comp->funcs->get_num_formats)
266 return comp->funcs->get_num_formats(comp->dev);
267
268 return 0;
269}
270
271static inline bool mtk_ddp_comp_add(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
272{
273 if (comp->funcs && comp->funcs->add) {
274 comp->funcs->add(comp->dev, mutex);
275 return true;
276 }
277 return false;
278}
279
280static inline bool mtk_ddp_comp_remove(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
281{
282 if (comp->funcs && comp->funcs->remove) {
283 comp->funcs->remove(comp->dev, mutex);
284 return true;
285 }
286 return false;
287}
288
289static inline bool mtk_ddp_comp_connect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
290 unsigned int next)
291{
292 if (comp->funcs && comp->funcs->connect) {
293 comp->funcs->connect(comp->dev, mmsys_dev, next);
294 return true;
295 }
296 return false;
297}
298
299static inline bool mtk_ddp_comp_disconnect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
300 unsigned int next)
301{
302 if (comp->funcs && comp->funcs->disconnect) {
303 comp->funcs->disconnect(comp->dev, mmsys_dev, next);
304 return true;
305 }
306 return false;
307}
308
309static inline void mtk_ddp_comp_encoder_index_set(struct mtk_ddp_comp *comp)
310{
311 if (comp->funcs && comp->funcs->encoder_index)
312 comp->encoder_index = (int)comp->funcs->encoder_index(comp->dev);
313}
314
315int mtk_ddp_comp_get_id(struct device_node *node,
316 enum mtk_ddp_comp_type comp_type);
317unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
318 struct device *dev);
319int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
320 unsigned int comp_id);
321enum mtk_ddp_comp_type mtk_ddp_comp_get_type(unsigned int comp_id);
322void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
323 struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
324 unsigned int offset);
325void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
326 struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
327 unsigned int offset);
328void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
329 struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
330 unsigned int offset, unsigned int mask);
331#endif /* MTK_DRM_DDP_COMP_H */