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