1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2018 MediaTek Inc.
4 * Author: Jitao Shi <jitao.shi@mediatek.com>
5 */
6
7 #include <linux/delay.h>
8 #include <linux/gpio/consumer.h>
9 #include <linux/module.h>
10 #include <linux/of.h>
11 #include <linux/of_device.h>
12 #include <linux/regulator/consumer.h>
13
14 #include <drm/drm_connector.h>
15 #include <drm/drm_crtc.h>
16 #include <drm/drm_mipi_dsi.h>
17 #include <drm/drm_panel.h>
18
19 #include <video/mipi_display.h>
20
21 struct panel_desc {
22 const struct drm_display_mode *modes;
23 unsigned int bpc;
24
25 /**
26 * @width_mm: width of the panel's active display area
27 * @height_mm: height of the panel's active display area
28 */
29 struct {
30 unsigned int width_mm;
31 unsigned int height_mm;
32 } size;
33
34 unsigned long mode_flags;
35 enum mipi_dsi_pixel_format format;
36 const struct panel_init_cmd *init_cmds;
37 unsigned int lanes;
38 bool discharge_on_disable;
39 };
40
41 struct boe_panel {
42 struct drm_panel base;
43 struct mipi_dsi_device *dsi;
44
45 const struct panel_desc *desc;
46
47 enum drm_panel_orientation orientation;
48 struct regulator *pp1800;
49 struct regulator *avee;
50 struct regulator *avdd;
51 struct gpio_desc *enable_gpio;
52
53 bool prepared;
54 };
55
56 enum dsi_cmd_type {
57 INIT_DCS_CMD,
58 DELAY_CMD,
59 };
60
61 struct panel_init_cmd {
62 enum dsi_cmd_type type;
63 size_t len;
64 const char *data;
65 };
66
67 #define _INIT_DCS_CMD(...) { \
68 .type = INIT_DCS_CMD, \
69 .len = sizeof((char[]){__VA_ARGS__}), \
70 .data = (char[]){__VA_ARGS__} }
71
72 #define _INIT_DELAY_CMD(...) { \
73 .type = DELAY_CMD,\
74 .len = sizeof((char[]){__VA_ARGS__}), \
75 .data = (char[]){__VA_ARGS__} }
76
77 static const struct panel_init_cmd boe_init_cmd[] = {
78 _INIT_DELAY_CMD(24),
79 _INIT_DCS_CMD(0xB0, 0x05),
80 _INIT_DCS_CMD(0xB1, 0xE5),
81 _INIT_DCS_CMD(0xB3, 0x52),
82 _INIT_DCS_CMD(0xB0, 0x00),
83 _INIT_DCS_CMD(0xB3, 0x88),
84 _INIT_DCS_CMD(0xB0, 0x04),
85 _INIT_DCS_CMD(0xB8, 0x00),
86 _INIT_DCS_CMD(0xB0, 0x00),
87 _INIT_DCS_CMD(0xB6, 0x03),
88 _INIT_DCS_CMD(0xBA, 0x8B),
89 _INIT_DCS_CMD(0xBF, 0x1A),
90 _INIT_DCS_CMD(0xC0, 0x0F),
91 _INIT_DCS_CMD(0xC2, 0x0C),
92 _INIT_DCS_CMD(0xC3, 0x02),
93 _INIT_DCS_CMD(0xC4, 0x0C),
94 _INIT_DCS_CMD(0xC5, 0x02),
95 _INIT_DCS_CMD(0xB0, 0x01),
96 _INIT_DCS_CMD(0xE0, 0x26),
97 _INIT_DCS_CMD(0xE1, 0x26),
98 _INIT_DCS_CMD(0xDC, 0x00),
99 _INIT_DCS_CMD(0xDD, 0x00),
100 _INIT_DCS_CMD(0xCC, 0x26),
101 _INIT_DCS_CMD(0xCD, 0x26),
102 _INIT_DCS_CMD(0xC8, 0x00),
103 _INIT_DCS_CMD(0xC9, 0x00),
104 _INIT_DCS_CMD(0xD2, 0x03),
105 _INIT_DCS_CMD(0xD3, 0x03),
106 _INIT_DCS_CMD(0xE6, 0x04),
107 _INIT_DCS_CMD(0xE7, 0x04),
108 _INIT_DCS_CMD(0xC4, 0x09),
109 _INIT_DCS_CMD(0xC5, 0x09),
110 _INIT_DCS_CMD(0xD8, 0x0A),
111 _INIT_DCS_CMD(0xD9, 0x0A),
112 _INIT_DCS_CMD(0xC2, 0x0B),
113 _INIT_DCS_CMD(0xC3, 0x0B),
114 _INIT_DCS_CMD(0xD6, 0x0C),
115 _INIT_DCS_CMD(0xD7, 0x0C),
116 _INIT_DCS_CMD(0xC0, 0x05),
117 _INIT_DCS_CMD(0xC1, 0x05),
118 _INIT_DCS_CMD(0xD4, 0x06),
119 _INIT_DCS_CMD(0xD5, 0x06),
120 _INIT_DCS_CMD(0xCA, 0x07),
121 _INIT_DCS_CMD(0xCB, 0x07),
122 _INIT_DCS_CMD(0xDE, 0x08),
123 _INIT_DCS_CMD(0xDF, 0x08),
124 _INIT_DCS_CMD(0xB0, 0x02),
125 _INIT_DCS_CMD(0xC0, 0x00),
126 _INIT_DCS_CMD(0xC1, 0x0D),
127 _INIT_DCS_CMD(0xC2, 0x17),
128 _INIT_DCS_CMD(0xC3, 0x26),
129 _INIT_DCS_CMD(0xC4, 0x31),
130 _INIT_DCS_CMD(0xC5, 0x1C),
131 _INIT_DCS_CMD(0xC6, 0x2C),
132 _INIT_DCS_CMD(0xC7, 0x33),
133 _INIT_DCS_CMD(0xC8, 0x31),
134 _INIT_DCS_CMD(0xC9, 0x37),
135 _INIT_DCS_CMD(0xCA, 0x37),
136 _INIT_DCS_CMD(0xCB, 0x37),
137 _INIT_DCS_CMD(0xCC, 0x39),
138 _INIT_DCS_CMD(0xCD, 0x2E),
139 _INIT_DCS_CMD(0xCE, 0x2F),
140 _INIT_DCS_CMD(0xCF, 0x2F),
141 _INIT_DCS_CMD(0xD0, 0x07),
142 _INIT_DCS_CMD(0xD2, 0x00),
143 _INIT_DCS_CMD(0xD3, 0x0D),
144 _INIT_DCS_CMD(0xD4, 0x17),
145 _INIT_DCS_CMD(0xD5, 0x26),
146 _INIT_DCS_CMD(0xD6, 0x31),
147 _INIT_DCS_CMD(0xD7, 0x3F),
148 _INIT_DCS_CMD(0xD8, 0x3F),
149 _INIT_DCS_CMD(0xD9, 0x3F),
150 _INIT_DCS_CMD(0xDA, 0x3F),
151 _INIT_DCS_CMD(0xDB, 0x37),
152 _INIT_DCS_CMD(0xDC, 0x37),
153 _INIT_DCS_CMD(0xDD, 0x37),
154 _INIT_DCS_CMD(0xDE, 0x39),
155 _INIT_DCS_CMD(0xDF, 0x2E),
156 _INIT_DCS_CMD(0xE0, 0x2F),
157 _INIT_DCS_CMD(0xE1, 0x2F),
158 _INIT_DCS_CMD(0xE2, 0x07),
159 _INIT_DCS_CMD(0xB0, 0x03),
160 _INIT_DCS_CMD(0xC8, 0x0B),
161 _INIT_DCS_CMD(0xC9, 0x07),
162 _INIT_DCS_CMD(0xC3, 0x00),
163 _INIT_DCS_CMD(0xE7, 0x00),
164 _INIT_DCS_CMD(0xC5, 0x2A),
165 _INIT_DCS_CMD(0xDE, 0x2A),
166 _INIT_DCS_CMD(0xCA, 0x43),
167 _INIT_DCS_CMD(0xC9, 0x07),
168 _INIT_DCS_CMD(0xE4, 0xC0),
169 _INIT_DCS_CMD(0xE5, 0x0D),
170 _INIT_DCS_CMD(0xCB, 0x00),
171 _INIT_DCS_CMD(0xB0, 0x06),
172 _INIT_DCS_CMD(0xB8, 0xA5),
173 _INIT_DCS_CMD(0xC0, 0xA5),
174 _INIT_DCS_CMD(0xC7, 0x0F),
175 _INIT_DCS_CMD(0xD5, 0x32),
176 _INIT_DCS_CMD(0xB8, 0x00),
177 _INIT_DCS_CMD(0xC0, 0x00),
178 _INIT_DCS_CMD(0xBC, 0x00),
179 _INIT_DCS_CMD(0xB0, 0x07),
180 _INIT_DCS_CMD(0xB1, 0x00),
181 _INIT_DCS_CMD(0xB2, 0x02),
182 _INIT_DCS_CMD(0xB3, 0x0F),
183 _INIT_DCS_CMD(0xB4, 0x25),
184 _INIT_DCS_CMD(0xB5, 0x39),
185 _INIT_DCS_CMD(0xB6, 0x4E),
186 _INIT_DCS_CMD(0xB7, 0x72),
187 _INIT_DCS_CMD(0xB8, 0x97),
188 _INIT_DCS_CMD(0xB9, 0xDC),
189 _INIT_DCS_CMD(0xBA, 0x22),
190 _INIT_DCS_CMD(0xBB, 0xA4),
191 _INIT_DCS_CMD(0xBC, 0x2B),
192 _INIT_DCS_CMD(0xBD, 0x2F),
193 _INIT_DCS_CMD(0xBE, 0xA9),
194 _INIT_DCS_CMD(0xBF, 0x25),
195 _INIT_DCS_CMD(0xC0, 0x61),
196 _INIT_DCS_CMD(0xC1, 0x97),
197 _INIT_DCS_CMD(0xC2, 0xB2),
198 _INIT_DCS_CMD(0xC3, 0xCD),
199 _INIT_DCS_CMD(0xC4, 0xD9),
200 _INIT_DCS_CMD(0xC5, 0xE7),
201 _INIT_DCS_CMD(0xC6, 0xF4),
202 _INIT_DCS_CMD(0xC7, 0xFA),
203 _INIT_DCS_CMD(0xC8, 0xFC),
204 _INIT_DCS_CMD(0xC9, 0x00),
205 _INIT_DCS_CMD(0xCA, 0x00),
206 _INIT_DCS_CMD(0xCB, 0x16),
207 _INIT_DCS_CMD(0xCC, 0xAF),
208 _INIT_DCS_CMD(0xCD, 0xFF),
209 _INIT_DCS_CMD(0xCE, 0xFF),
210 _INIT_DCS_CMD(0xB0, 0x08),
211 _INIT_DCS_CMD(0xB1, 0x04),
212 _INIT_DCS_CMD(0xB2, 0x05),
213 _INIT_DCS_CMD(0xB3, 0x11),
214 _INIT_DCS_CMD(0xB4, 0x24),
215 _INIT_DCS_CMD(0xB5, 0x39),
216 _INIT_DCS_CMD(0xB6, 0x4F),
217 _INIT_DCS_CMD(0xB7, 0x72),
218 _INIT_DCS_CMD(0xB8, 0x98),
219 _INIT_DCS_CMD(0xB9, 0xDC),
220 _INIT_DCS_CMD(0xBA, 0x23),
221 _INIT_DCS_CMD(0xBB, 0xA6),
222 _INIT_DCS_CMD(0xBC, 0x2C),
223 _INIT_DCS_CMD(0xBD, 0x30),
224 _INIT_DCS_CMD(0xBE, 0xAA),
225 _INIT_DCS_CMD(0xBF, 0x26),
226 _INIT_DCS_CMD(0xC0, 0x62),
227 _INIT_DCS_CMD(0xC1, 0x9B),
228 _INIT_DCS_CMD(0xC2, 0xB5),
229 _INIT_DCS_CMD(0xC3, 0xCF),
230 _INIT_DCS_CMD(0xC4, 0xDB),
231 _INIT_DCS_CMD(0xC5, 0xE8),
232 _INIT_DCS_CMD(0xC6, 0xF5),
233 _INIT_DCS_CMD(0xC7, 0xFA),
234 _INIT_DCS_CMD(0xC8, 0xFC),
235 _INIT_DCS_CMD(0xC9, 0x00),
236 _INIT_DCS_CMD(0xCA, 0x00),
237 _INIT_DCS_CMD(0xCB, 0x16),
238 _INIT_DCS_CMD(0xCC, 0xAF),
239 _INIT_DCS_CMD(0xCD, 0xFF),
240 _INIT_DCS_CMD(0xCE, 0xFF),
241 _INIT_DCS_CMD(0xB0, 0x09),
242 _INIT_DCS_CMD(0xB1, 0x04),
243 _INIT_DCS_CMD(0xB2, 0x02),
244 _INIT_DCS_CMD(0xB3, 0x16),
245 _INIT_DCS_CMD(0xB4, 0x24),
246 _INIT_DCS_CMD(0xB5, 0x3B),
247 _INIT_DCS_CMD(0xB6, 0x4F),
248 _INIT_DCS_CMD(0xB7, 0x73),
249 _INIT_DCS_CMD(0xB8, 0x99),
250 _INIT_DCS_CMD(0xB9, 0xE0),
251 _INIT_DCS_CMD(0xBA, 0x26),
252 _INIT_DCS_CMD(0xBB, 0xAD),
253 _INIT_DCS_CMD(0xBC, 0x36),
254 _INIT_DCS_CMD(0xBD, 0x3A),
255 _INIT_DCS_CMD(0xBE, 0xAE),
256 _INIT_DCS_CMD(0xBF, 0x2A),
257 _INIT_DCS_CMD(0xC0, 0x66),
258 _INIT_DCS_CMD(0xC1, 0x9E),
259 _INIT_DCS_CMD(0xC2, 0xB8),
260 _INIT_DCS_CMD(0xC3, 0xD1),
261 _INIT_DCS_CMD(0xC4, 0xDD),
262 _INIT_DCS_CMD(0xC5, 0xE9),
263 _INIT_DCS_CMD(0xC6, 0xF6),
264 _INIT_DCS_CMD(0xC7, 0xFA),
265 _INIT_DCS_CMD(0xC8, 0xFC),
266 _INIT_DCS_CMD(0xC9, 0x00),
267 _INIT_DCS_CMD(0xCA, 0x00),
268 _INIT_DCS_CMD(0xCB, 0x16),
269 _INIT_DCS_CMD(0xCC, 0xAF),
270 _INIT_DCS_CMD(0xCD, 0xFF),
271 _INIT_DCS_CMD(0xCE, 0xFF),
272 _INIT_DCS_CMD(0xB0, 0x0A),
273 _INIT_DCS_CMD(0xB1, 0x00),
274 _INIT_DCS_CMD(0xB2, 0x02),
275 _INIT_DCS_CMD(0xB3, 0x0F),
276 _INIT_DCS_CMD(0xB4, 0x25),
277 _INIT_DCS_CMD(0xB5, 0x39),
278 _INIT_DCS_CMD(0xB6, 0x4E),
279 _INIT_DCS_CMD(0xB7, 0x72),
280 _INIT_DCS_CMD(0xB8, 0x97),
281 _INIT_DCS_CMD(0xB9, 0xDC),
282 _INIT_DCS_CMD(0xBA, 0x22),
283 _INIT_DCS_CMD(0xBB, 0xA4),
284 _INIT_DCS_CMD(0xBC, 0x2B),
285 _INIT_DCS_CMD(0xBD, 0x2F),
286 _INIT_DCS_CMD(0xBE, 0xA9),
287 _INIT_DCS_CMD(0xBF, 0x25),
288 _INIT_DCS_CMD(0xC0, 0x61),
289 _INIT_DCS_CMD(0xC1, 0x97),
290 _INIT_DCS_CMD(0xC2, 0xB2),
291 _INIT_DCS_CMD(0xC3, 0xCD),
292 _INIT_DCS_CMD(0xC4, 0xD9),
293 _INIT_DCS_CMD(0xC5, 0xE7),
294 _INIT_DCS_CMD(0xC6, 0xF4),
295 _INIT_DCS_CMD(0xC7, 0xFA),
296 _INIT_DCS_CMD(0xC8, 0xFC),
297 _INIT_DCS_CMD(0xC9, 0x00),
298 _INIT_DCS_CMD(0xCA, 0x00),
299 _INIT_DCS_CMD(0xCB, 0x16),
300 _INIT_DCS_CMD(0xCC, 0xAF),
301 _INIT_DCS_CMD(0xCD, 0xFF),
302 _INIT_DCS_CMD(0xCE, 0xFF),
303 _INIT_DCS_CMD(0xB0, 0x0B),
304 _INIT_DCS_CMD(0xB1, 0x04),
305 _INIT_DCS_CMD(0xB2, 0x05),
306 _INIT_DCS_CMD(0xB3, 0x11),
307 _INIT_DCS_CMD(0xB4, 0x24),
308 _INIT_DCS_CMD(0xB5, 0x39),
309 _INIT_DCS_CMD(0xB6, 0x4F),
310 _INIT_DCS_CMD(0xB7, 0x72),
311 _INIT_DCS_CMD(0xB8, 0x98),
312 _INIT_DCS_CMD(0xB9, 0xDC),
313 _INIT_DCS_CMD(0xBA, 0x23),
314 _INIT_DCS_CMD(0xBB, 0xA6),
315 _INIT_DCS_CMD(0xBC, 0x2C),
316 _INIT_DCS_CMD(0xBD, 0x30),
317 _INIT_DCS_CMD(0xBE, 0xAA),
318 _INIT_DCS_CMD(0xBF, 0x26),
319 _INIT_DCS_CMD(0xC0, 0x62),
320 _INIT_DCS_CMD(0xC1, 0x9B),
321 _INIT_DCS_CMD(0xC2, 0xB5),
322 _INIT_DCS_CMD(0xC3, 0xCF),
323 _INIT_DCS_CMD(0xC4, 0xDB),
324 _INIT_DCS_CMD(0xC5, 0xE8),
325 _INIT_DCS_CMD(0xC6, 0xF5),
326 _INIT_DCS_CMD(0xC7, 0xFA),
327 _INIT_DCS_CMD(0xC8, 0xFC),
328 _INIT_DCS_CMD(0xC9, 0x00),
329 _INIT_DCS_CMD(0xCA, 0x00),
330 _INIT_DCS_CMD(0xCB, 0x16),
331 _INIT_DCS_CMD(0xCC, 0xAF),
332 _INIT_DCS_CMD(0xCD, 0xFF),
333 _INIT_DCS_CMD(0xCE, 0xFF),
334 _INIT_DCS_CMD(0xB0, 0x0C),
335 _INIT_DCS_CMD(0xB1, 0x04),
336 _INIT_DCS_CMD(0xB2, 0x02),
337 _INIT_DCS_CMD(0xB3, 0x16),
338 _INIT_DCS_CMD(0xB4, 0x24),
339 _INIT_DCS_CMD(0xB5, 0x3B),
340 _INIT_DCS_CMD(0xB6, 0x4F),
341 _INIT_DCS_CMD(0xB7, 0x73),
342 _INIT_DCS_CMD(0xB8, 0x99),
343 _INIT_DCS_CMD(0xB9, 0xE0),
344 _INIT_DCS_CMD(0xBA, 0x26),
345 _INIT_DCS_CMD(0xBB, 0xAD),
346 _INIT_DCS_CMD(0xBC, 0x36),
347 _INIT_DCS_CMD(0xBD, 0x3A),
348 _INIT_DCS_CMD(0xBE, 0xAE),
349 _INIT_DCS_CMD(0xBF, 0x2A),
350 _INIT_DCS_CMD(0xC0, 0x66),
351 _INIT_DCS_CMD(0xC1, 0x9E),
352 _INIT_DCS_CMD(0xC2, 0xB8),
353 _INIT_DCS_CMD(0xC3, 0xD1),
354 _INIT_DCS_CMD(0xC4, 0xDD),
355 _INIT_DCS_CMD(0xC5, 0xE9),
356 _INIT_DCS_CMD(0xC6, 0xF6),
357 _INIT_DCS_CMD(0xC7, 0xFA),
358 _INIT_DCS_CMD(0xC8, 0xFC),
359 _INIT_DCS_CMD(0xC9, 0x00),
360 _INIT_DCS_CMD(0xCA, 0x00),
361 _INIT_DCS_CMD(0xCB, 0x16),
362 _INIT_DCS_CMD(0xCC, 0xAF),
363 _INIT_DCS_CMD(0xCD, 0xFF),
364 _INIT_DCS_CMD(0xCE, 0xFF),
365 _INIT_DCS_CMD(0xB0, 0x00),
366 _INIT_DCS_CMD(0xB3, 0x08),
367 _INIT_DCS_CMD(0xB0, 0x04),
368 _INIT_DCS_CMD(0xB8, 0x68),
369 _INIT_DELAY_CMD(150),
370 {},
371 };
372
373 static const struct panel_init_cmd auo_kd101n80_45na_init_cmd[] = {
374 _INIT_DELAY_CMD(24),
375 _INIT_DCS_CMD(0x11),
376 _INIT_DELAY_CMD(120),
377 _INIT_DCS_CMD(0x29),
378 _INIT_DELAY_CMD(120),
379 {},
380 };
381
382 static const struct panel_init_cmd auo_b101uan08_3_init_cmd[] = {
383 _INIT_DELAY_CMD(24),
384 _INIT_DCS_CMD(0xB0, 0x01),
385 _INIT_DCS_CMD(0xC0, 0x48),
386 _INIT_DCS_CMD(0xC1, 0x48),
387 _INIT_DCS_CMD(0xC2, 0x47),
388 _INIT_DCS_CMD(0xC3, 0x47),
389 _INIT_DCS_CMD(0xC4, 0x46),
390 _INIT_DCS_CMD(0xC5, 0x46),
391 _INIT_DCS_CMD(0xC6, 0x45),
392 _INIT_DCS_CMD(0xC7, 0x45),
393 _INIT_DCS_CMD(0xC8, 0x64),
394 _INIT_DCS_CMD(0xC9, 0x64),
395 _INIT_DCS_CMD(0xCA, 0x4F),
396 _INIT_DCS_CMD(0xCB, 0x4F),
397 _INIT_DCS_CMD(0xCC, 0x40),
398 _INIT_DCS_CMD(0xCD, 0x40),
399 _INIT_DCS_CMD(0xCE, 0x66),
400 _INIT_DCS_CMD(0xCF, 0x66),
401 _INIT_DCS_CMD(0xD0, 0x4F),
402 _INIT_DCS_CMD(0xD1, 0x4F),
403 _INIT_DCS_CMD(0xD2, 0x41),
404 _INIT_DCS_CMD(0xD3, 0x41),
405 _INIT_DCS_CMD(0xD4, 0x48),
406 _INIT_DCS_CMD(0xD5, 0x48),
407 _INIT_DCS_CMD(0xD6, 0x47),
408 _INIT_DCS_CMD(0xD7, 0x47),
409 _INIT_DCS_CMD(0xD8, 0x46),
410 _INIT_DCS_CMD(0xD9, 0x46),
411 _INIT_DCS_CMD(0xDA, 0x45),
412 _INIT_DCS_CMD(0xDB, 0x45),
413 _INIT_DCS_CMD(0xDC, 0x64),
414 _INIT_DCS_CMD(0xDD, 0x64),
415 _INIT_DCS_CMD(0xDE, 0x4F),
416 _INIT_DCS_CMD(0xDF, 0x4F),
417 _INIT_DCS_CMD(0xE0, 0x40),
418 _INIT_DCS_CMD(0xE1, 0x40),
419 _INIT_DCS_CMD(0xE2, 0x66),
420 _INIT_DCS_CMD(0xE3, 0x66),
421 _INIT_DCS_CMD(0xE4, 0x4F),
422 _INIT_DCS_CMD(0xE5, 0x4F),
423 _INIT_DCS_CMD(0xE6, 0x41),
424 _INIT_DCS_CMD(0xE7, 0x41),
425 _INIT_DELAY_CMD(150),
426 {},
427 };
428
to_boe_panel(struct drm_panel * panel)429 static inline struct boe_panel *to_boe_panel(struct drm_panel *panel)
430 {
431 return container_of(panel, struct boe_panel, base);
432 }
433
boe_panel_init_dcs_cmd(struct boe_panel * boe)434 static int boe_panel_init_dcs_cmd(struct boe_panel *boe)
435 {
436 struct mipi_dsi_device *dsi = boe->dsi;
437 struct drm_panel *panel = &boe->base;
438 int i, err = 0;
439
440 if (boe->desc->init_cmds) {
441 const struct panel_init_cmd *init_cmds = boe->desc->init_cmds;
442
443 for (i = 0; init_cmds[i].len != 0; i++) {
444 const struct panel_init_cmd *cmd = &init_cmds[i];
445
446 switch (cmd->type) {
447 case DELAY_CMD:
448 msleep(cmd->data[0]);
449 err = 0;
450 break;
451
452 case INIT_DCS_CMD:
453 err = mipi_dsi_dcs_write(dsi, cmd->data[0],
454 cmd->len <= 1 ? NULL :
455 &cmd->data[1],
456 cmd->len - 1);
457 break;
458
459 default:
460 err = -EINVAL;
461 }
462
463 if (err < 0) {
464 dev_err(panel->dev,
465 "failed to write command %u\n", i);
466 return err;
467 }
468 }
469 }
470 return 0;
471 }
472
boe_panel_enter_sleep_mode(struct boe_panel * boe)473 static int boe_panel_enter_sleep_mode(struct boe_panel *boe)
474 {
475 struct mipi_dsi_device *dsi = boe->dsi;
476 int ret;
477
478 dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
479
480 ret = mipi_dsi_dcs_set_display_off(dsi);
481 if (ret < 0)
482 return ret;
483
484 ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
485 if (ret < 0)
486 return ret;
487
488 return 0;
489 }
490
boe_panel_unprepare(struct drm_panel * panel)491 static int boe_panel_unprepare(struct drm_panel *panel)
492 {
493 struct boe_panel *boe = to_boe_panel(panel);
494 int ret;
495
496 if (!boe->prepared)
497 return 0;
498
499 ret = boe_panel_enter_sleep_mode(boe);
500 if (ret < 0) {
501 dev_err(panel->dev, "failed to set panel off: %d\n", ret);
502 return ret;
503 }
504
505 msleep(150);
506
507 if (boe->desc->discharge_on_disable) {
508 regulator_disable(boe->avee);
509 regulator_disable(boe->avdd);
510 usleep_range(5000, 7000);
511 gpiod_set_value(boe->enable_gpio, 0);
512 usleep_range(5000, 7000);
513 regulator_disable(boe->pp1800);
514 } else {
515 gpiod_set_value(boe->enable_gpio, 0);
516 usleep_range(500, 1000);
517 regulator_disable(boe->avee);
518 regulator_disable(boe->avdd);
519 usleep_range(5000, 7000);
520 regulator_disable(boe->pp1800);
521 }
522
523 boe->prepared = false;
524
525 return 0;
526 }
527
boe_panel_prepare(struct drm_panel * panel)528 static int boe_panel_prepare(struct drm_panel *panel)
529 {
530 struct boe_panel *boe = to_boe_panel(panel);
531 int ret;
532
533 if (boe->prepared)
534 return 0;
535
536 gpiod_set_value(boe->enable_gpio, 0);
537 usleep_range(1000, 1500);
538
539 ret = regulator_enable(boe->pp1800);
540 if (ret < 0)
541 return ret;
542
543 usleep_range(3000, 5000);
544
545 ret = regulator_enable(boe->avdd);
546 if (ret < 0)
547 goto poweroff1v8;
548 ret = regulator_enable(boe->avee);
549 if (ret < 0)
550 goto poweroffavdd;
551
552 usleep_range(5000, 10000);
553
554 gpiod_set_value(boe->enable_gpio, 1);
555 usleep_range(1000, 2000);
556 gpiod_set_value(boe->enable_gpio, 0);
557 usleep_range(1000, 2000);
558 gpiod_set_value(boe->enable_gpio, 1);
559 usleep_range(6000, 10000);
560
561 ret = boe_panel_init_dcs_cmd(boe);
562 if (ret < 0) {
563 dev_err(panel->dev, "failed to init panel: %d\n", ret);
564 goto poweroff;
565 }
566
567 boe->prepared = true;
568
569 return 0;
570
571 poweroff:
572 regulator_disable(boe->avee);
573 poweroffavdd:
574 regulator_disable(boe->avdd);
575 poweroff1v8:
576 usleep_range(5000, 7000);
577 regulator_disable(boe->pp1800);
578 gpiod_set_value(boe->enable_gpio, 0);
579
580 return ret;
581 }
582
boe_panel_enable(struct drm_panel * panel)583 static int boe_panel_enable(struct drm_panel *panel)
584 {
585 msleep(130);
586 return 0;
587 }
588
589 static const struct drm_display_mode boe_tv101wum_nl6_default_mode = {
590 .clock = 159425,
591 .hdisplay = 1200,
592 .hsync_start = 1200 + 100,
593 .hsync_end = 1200 + 100 + 40,
594 .htotal = 1200 + 100 + 40 + 24,
595 .vdisplay = 1920,
596 .vsync_start = 1920 + 10,
597 .vsync_end = 1920 + 10 + 14,
598 .vtotal = 1920 + 10 + 14 + 4,
599 };
600
601 static const struct panel_desc boe_tv101wum_nl6_desc = {
602 .modes = &boe_tv101wum_nl6_default_mode,
603 .bpc = 8,
604 .size = {
605 .width_mm = 135,
606 .height_mm = 216,
607 },
608 .lanes = 4,
609 .format = MIPI_DSI_FMT_RGB888,
610 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
611 MIPI_DSI_MODE_LPM,
612 .init_cmds = boe_init_cmd,
613 .discharge_on_disable = false,
614 };
615
616 static const struct drm_display_mode auo_kd101n80_45na_default_mode = {
617 .clock = 157000,
618 .hdisplay = 1200,
619 .hsync_start = 1200 + 60,
620 .hsync_end = 1200 + 60 + 24,
621 .htotal = 1200 + 60 + 24 + 56,
622 .vdisplay = 1920,
623 .vsync_start = 1920 + 16,
624 .vsync_end = 1920 + 16 + 4,
625 .vtotal = 1920 + 16 + 4 + 16,
626 };
627
628 static const struct panel_desc auo_kd101n80_45na_desc = {
629 .modes = &auo_kd101n80_45na_default_mode,
630 .bpc = 8,
631 .size = {
632 .width_mm = 135,
633 .height_mm = 216,
634 },
635 .lanes = 4,
636 .format = MIPI_DSI_FMT_RGB888,
637 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
638 MIPI_DSI_MODE_LPM,
639 .init_cmds = auo_kd101n80_45na_init_cmd,
640 .discharge_on_disable = true,
641 };
642
643 static const struct drm_display_mode boe_tv101wum_n53_default_mode = {
644 .clock = 159916,
645 .hdisplay = 1200,
646 .hsync_start = 1200 + 80,
647 .hsync_end = 1200 + 80 + 24,
648 .htotal = 1200 + 80 + 24 + 60,
649 .vdisplay = 1920,
650 .vsync_start = 1920 + 20,
651 .vsync_end = 1920 + 20 + 4,
652 .vtotal = 1920 + 20 + 4 + 10,
653 .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
654 };
655
656 static const struct panel_desc boe_tv101wum_n53_desc = {
657 .modes = &boe_tv101wum_n53_default_mode,
658 .bpc = 8,
659 .size = {
660 .width_mm = 135,
661 .height_mm = 216,
662 },
663 .lanes = 4,
664 .format = MIPI_DSI_FMT_RGB888,
665 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
666 MIPI_DSI_MODE_LPM,
667 .init_cmds = boe_init_cmd,
668 };
669
670 static const struct drm_display_mode auo_b101uan08_3_default_mode = {
671 .clock = 159667,
672 .hdisplay = 1200,
673 .hsync_start = 1200 + 60,
674 .hsync_end = 1200 + 60 + 4,
675 .htotal = 1200 + 60 + 4 + 80,
676 .vdisplay = 1920,
677 .vsync_start = 1920 + 34,
678 .vsync_end = 1920 + 34 + 2,
679 .vtotal = 1920 + 34 + 2 + 24,
680 .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
681 };
682
683 static const struct panel_desc auo_b101uan08_3_desc = {
684 .modes = &auo_b101uan08_3_default_mode,
685 .bpc = 8,
686 .size = {
687 .width_mm = 135,
688 .height_mm = 216,
689 },
690 .lanes = 4,
691 .format = MIPI_DSI_FMT_RGB888,
692 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
693 MIPI_DSI_MODE_LPM,
694 .init_cmds = auo_b101uan08_3_init_cmd,
695 };
696
697 static const struct drm_display_mode boe_tv105wum_nw0_default_mode = {
698 .clock = 159916,
699 .hdisplay = 1200,
700 .hsync_start = 1200 + 80,
701 .hsync_end = 1200 + 80 + 24,
702 .htotal = 1200 + 80 + 24 + 60,
703 .vdisplay = 1920,
704 .vsync_start = 1920 + 20,
705 .vsync_end = 1920 + 20 + 4,
706 .vtotal = 1920 + 20 + 4 + 10,
707 .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
708 };
709
710 static const struct panel_desc boe_tv105wum_nw0_desc = {
711 .modes = &boe_tv105wum_nw0_default_mode,
712 .bpc = 8,
713 .size = {
714 .width_mm = 141,
715 .height_mm = 226,
716 },
717 .lanes = 4,
718 .format = MIPI_DSI_FMT_RGB888,
719 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
720 MIPI_DSI_MODE_LPM,
721 .init_cmds = boe_init_cmd,
722 };
723
boe_panel_get_modes(struct drm_panel * panel,struct drm_connector * connector)724 static int boe_panel_get_modes(struct drm_panel *panel,
725 struct drm_connector *connector)
726 {
727 struct boe_panel *boe = to_boe_panel(panel);
728 const struct drm_display_mode *m = boe->desc->modes;
729 struct drm_display_mode *mode;
730
731 mode = drm_mode_duplicate(connector->dev, m);
732 if (!mode) {
733 dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
734 m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
735 return -ENOMEM;
736 }
737
738 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
739 drm_mode_set_name(mode);
740 drm_mode_probed_add(connector, mode);
741
742 connector->display_info.width_mm = boe->desc->size.width_mm;
743 connector->display_info.height_mm = boe->desc->size.height_mm;
744 connector->display_info.bpc = boe->desc->bpc;
745 drm_connector_set_panel_orientation(connector, boe->orientation);
746
747 return 1;
748 }
749
750 static const struct drm_panel_funcs boe_panel_funcs = {
751 .unprepare = boe_panel_unprepare,
752 .prepare = boe_panel_prepare,
753 .enable = boe_panel_enable,
754 .get_modes = boe_panel_get_modes,
755 };
756
boe_panel_add(struct boe_panel * boe)757 static int boe_panel_add(struct boe_panel *boe)
758 {
759 struct device *dev = &boe->dsi->dev;
760 int err;
761
762 boe->avdd = devm_regulator_get(dev, "avdd");
763 if (IS_ERR(boe->avdd))
764 return PTR_ERR(boe->avdd);
765
766 boe->avee = devm_regulator_get(dev, "avee");
767 if (IS_ERR(boe->avee))
768 return PTR_ERR(boe->avee);
769
770 boe->pp1800 = devm_regulator_get(dev, "pp1800");
771 if (IS_ERR(boe->pp1800))
772 return PTR_ERR(boe->pp1800);
773
774 boe->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
775 if (IS_ERR(boe->enable_gpio)) {
776 dev_err(dev, "cannot get reset-gpios %ld\n",
777 PTR_ERR(boe->enable_gpio));
778 return PTR_ERR(boe->enable_gpio);
779 }
780
781 gpiod_set_value(boe->enable_gpio, 0);
782
783 drm_panel_init(&boe->base, dev, &boe_panel_funcs,
784 DRM_MODE_CONNECTOR_DSI);
785 err = of_drm_get_panel_orientation(dev->of_node, &boe->orientation);
786 if (err < 0) {
787 dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err);
788 return err;
789 }
790
791 err = drm_panel_of_backlight(&boe->base);
792 if (err)
793 return err;
794
795 boe->base.funcs = &boe_panel_funcs;
796 boe->base.dev = &boe->dsi->dev;
797
798 drm_panel_add(&boe->base);
799
800 return 0;
801 }
802
boe_panel_probe(struct mipi_dsi_device * dsi)803 static int boe_panel_probe(struct mipi_dsi_device *dsi)
804 {
805 struct boe_panel *boe;
806 int ret;
807 const struct panel_desc *desc;
808
809 boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
810 if (!boe)
811 return -ENOMEM;
812
813 desc = of_device_get_match_data(&dsi->dev);
814 dsi->lanes = desc->lanes;
815 dsi->format = desc->format;
816 dsi->mode_flags = desc->mode_flags;
817 boe->desc = desc;
818 boe->dsi = dsi;
819 ret = boe_panel_add(boe);
820 if (ret < 0)
821 return ret;
822
823 mipi_dsi_set_drvdata(dsi, boe);
824
825 ret = mipi_dsi_attach(dsi);
826 if (ret)
827 drm_panel_remove(&boe->base);
828
829 return ret;
830 }
831
boe_panel_shutdown(struct mipi_dsi_device * dsi)832 static void boe_panel_shutdown(struct mipi_dsi_device *dsi)
833 {
834 struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
835
836 drm_panel_disable(&boe->base);
837 drm_panel_unprepare(&boe->base);
838 }
839
boe_panel_remove(struct mipi_dsi_device * dsi)840 static int boe_panel_remove(struct mipi_dsi_device *dsi)
841 {
842 struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
843 int ret;
844
845 boe_panel_shutdown(dsi);
846
847 ret = mipi_dsi_detach(dsi);
848 if (ret < 0)
849 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
850
851 if (boe->base.dev)
852 drm_panel_remove(&boe->base);
853
854 return 0;
855 }
856
857 static const struct of_device_id boe_of_match[] = {
858 { .compatible = "boe,tv101wum-nl6",
859 .data = &boe_tv101wum_nl6_desc
860 },
861 { .compatible = "auo,kd101n80-45na",
862 .data = &auo_kd101n80_45na_desc
863 },
864 { .compatible = "boe,tv101wum-n53",
865 .data = &boe_tv101wum_n53_desc
866 },
867 { .compatible = "auo,b101uan08.3",
868 .data = &auo_b101uan08_3_desc
869 },
870 { .compatible = "boe,tv105wum-nw0",
871 .data = &boe_tv105wum_nw0_desc
872 },
873 { /* sentinel */ }
874 };
875 MODULE_DEVICE_TABLE(of, boe_of_match);
876
877 static struct mipi_dsi_driver boe_panel_driver = {
878 .driver = {
879 .name = "panel-boe-tv101wum-nl6",
880 .of_match_table = boe_of_match,
881 },
882 .probe = boe_panel_probe,
883 .remove = boe_panel_remove,
884 .shutdown = boe_panel_shutdown,
885 };
886 module_mipi_dsi_driver(boe_panel_driver);
887
888 MODULE_AUTHOR("Jitao Shi <jitao.shi@mediatek.com>");
889 MODULE_DESCRIPTION("BOE tv101wum-nl6 1200x1920 video mode panel driver");
890 MODULE_LICENSE("GPL v2");
891
