Loading...
Note: File does not exist in v3.15.
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2019, Huaqin Telecom Technology Co., Ltd
4 *
5 * Author: Jerry Han <jerry.han.hq@gmail.com>
6 *
7 */
8
9#include <linux/delay.h>
10#include <linux/kernel.h>
11#include <linux/module.h>
12#include <linux/of.h>
13
14#include <linux/gpio/consumer.h>
15#include <linux/regulator/consumer.h>
16
17#include <drm/drm_device.h>
18#include <drm/drm_mipi_dsi.h>
19#include <drm/drm_modes.h>
20#include <drm/drm_panel.h>
21
22#include <video/mipi_display.h>
23
24struct panel_cmd {
25 char cmd;
26 char data;
27};
28
29struct panel_desc {
30 const struct drm_display_mode *display_mode;
31 unsigned int bpc;
32 unsigned int width_mm;
33 unsigned int height_mm;
34
35 unsigned long mode_flags;
36 enum mipi_dsi_pixel_format format;
37 unsigned int lanes;
38 const struct panel_cmd *on_cmds;
39 unsigned int on_cmds_num;
40};
41
42struct panel_info {
43 struct drm_panel base;
44 struct mipi_dsi_device *link;
45 const struct panel_desc *desc;
46
47 struct gpio_desc *enable_gpio;
48 struct gpio_desc *pp33_gpio;
49 struct gpio_desc *pp18_gpio;
50};
51
52static inline struct panel_info *to_panel_info(struct drm_panel *panel)
53{
54 return container_of(panel, struct panel_info, base);
55}
56
57static void disable_gpios(struct panel_info *pinfo)
58{
59 gpiod_set_value(pinfo->enable_gpio, 0);
60 gpiod_set_value(pinfo->pp33_gpio, 0);
61 gpiod_set_value(pinfo->pp18_gpio, 0);
62}
63
64static int send_mipi_cmds(struct drm_panel *panel, const struct panel_cmd *cmds)
65{
66 struct panel_info *pinfo = to_panel_info(panel);
67 unsigned int i = 0;
68 int err;
69
70 for (i = 0; i < pinfo->desc->on_cmds_num; i++) {
71 err = mipi_dsi_dcs_write_buffer(pinfo->link, &cmds[i],
72 sizeof(struct panel_cmd));
73
74 if (err < 0)
75 return err;
76 }
77
78 return 0;
79}
80
81static int boe_panel_disable(struct drm_panel *panel)
82{
83 struct panel_info *pinfo = to_panel_info(panel);
84 int err;
85
86 err = mipi_dsi_dcs_set_display_off(pinfo->link);
87 if (err < 0) {
88 dev_err(panel->dev, "failed to set display off: %d\n", err);
89 return err;
90 }
91
92 return 0;
93}
94
95static int boe_panel_unprepare(struct drm_panel *panel)
96{
97 struct panel_info *pinfo = to_panel_info(panel);
98 int err;
99
100 err = mipi_dsi_dcs_set_display_off(pinfo->link);
101 if (err < 0)
102 dev_err(panel->dev, "failed to set display off: %d\n", err);
103
104 err = mipi_dsi_dcs_enter_sleep_mode(pinfo->link);
105 if (err < 0)
106 dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
107
108 /* sleep_mode_delay: 1ms - 2ms */
109 usleep_range(1000, 2000);
110
111 disable_gpios(pinfo);
112
113 return 0;
114}
115
116static int boe_panel_prepare(struct drm_panel *panel)
117{
118 struct panel_info *pinfo = to_panel_info(panel);
119 int err;
120
121 gpiod_set_value(pinfo->pp18_gpio, 1);
122 /* T1: 5ms - 6ms */
123 usleep_range(5000, 6000);
124 gpiod_set_value(pinfo->pp33_gpio, 1);
125
126 /* reset sequence */
127 /* T2: 14ms - 15ms */
128 usleep_range(14000, 15000);
129 gpiod_set_value(pinfo->enable_gpio, 1);
130
131 /* T3: 1ms - 2ms */
132 usleep_range(1000, 2000);
133 gpiod_set_value(pinfo->enable_gpio, 0);
134
135 /* T4: 1ms - 2ms */
136 usleep_range(1000, 2000);
137 gpiod_set_value(pinfo->enable_gpio, 1);
138
139 /* T5: 5ms - 6ms */
140 usleep_range(5000, 6000);
141
142 /* send init code */
143 err = send_mipi_cmds(panel, pinfo->desc->on_cmds);
144 if (err < 0) {
145 dev_err(panel->dev, "failed to send DCS Init Code: %d\n", err);
146 goto poweroff;
147 }
148
149 err = mipi_dsi_dcs_exit_sleep_mode(pinfo->link);
150 if (err < 0) {
151 dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);
152 goto poweroff;
153 }
154
155 /* T6: 120ms - 121ms */
156 usleep_range(120000, 121000);
157
158 err = mipi_dsi_dcs_set_display_on(pinfo->link);
159 if (err < 0) {
160 dev_err(panel->dev, "failed to set display on: %d\n", err);
161 goto poweroff;
162 }
163
164 /* T7: 20ms - 21ms */
165 usleep_range(20000, 21000);
166
167 return 0;
168
169poweroff:
170 disable_gpios(pinfo);
171 return err;
172}
173
174static int boe_panel_enable(struct drm_panel *panel)
175{
176 struct panel_info *pinfo = to_panel_info(panel);
177 int ret;
178
179 usleep_range(120000, 121000);
180
181 ret = mipi_dsi_dcs_set_display_on(pinfo->link);
182 if (ret < 0) {
183 dev_err(panel->dev, "failed to set display on: %d\n", ret);
184 return ret;
185 }
186
187 return 0;
188}
189
190static int boe_panel_get_modes(struct drm_panel *panel,
191 struct drm_connector *connector)
192{
193 struct panel_info *pinfo = to_panel_info(panel);
194 const struct drm_display_mode *m = pinfo->desc->display_mode;
195 struct drm_display_mode *mode;
196
197 mode = drm_mode_duplicate(connector->dev, m);
198 if (!mode) {
199 dev_err(pinfo->base.dev, "failed to add mode %ux%u@%u\n",
200 m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
201 return -ENOMEM;
202 }
203
204 drm_mode_set_name(mode);
205
206 drm_mode_probed_add(connector, mode);
207
208 connector->display_info.width_mm = pinfo->desc->width_mm;
209 connector->display_info.height_mm = pinfo->desc->height_mm;
210 connector->display_info.bpc = pinfo->desc->bpc;
211
212 return 1;
213}
214
215static const struct drm_panel_funcs panel_funcs = {
216 .disable = boe_panel_disable,
217 .unprepare = boe_panel_unprepare,
218 .prepare = boe_panel_prepare,
219 .enable = boe_panel_enable,
220 .get_modes = boe_panel_get_modes,
221};
222
223static const struct drm_display_mode default_display_mode = {
224 .clock = 159420,
225 .hdisplay = 1200,
226 .hsync_start = 1200 + 80,
227 .hsync_end = 1200 + 80 + 60,
228 .htotal = 1200 + 80 + 60 + 24,
229 .vdisplay = 1920,
230 .vsync_start = 1920 + 10,
231 .vsync_end = 1920 + 10 + 14,
232 .vtotal = 1920 + 10 + 14 + 4,
233};
234
235/* 8 inch */
236static const struct panel_cmd boe_himax8279d8p_on_cmds[] = {
237 { 0xB0, 0x05 },
238 { 0xB1, 0xE5 },
239 { 0xB3, 0x52 },
240 { 0xC0, 0x00 },
241 { 0xC2, 0x57 },
242 { 0xD9, 0x85 },
243 { 0xB0, 0x01 },
244 { 0xC8, 0x00 },
245 { 0xC9, 0x00 },
246 { 0xCC, 0x26 },
247 { 0xCD, 0x26 },
248 { 0xDC, 0x00 },
249 { 0xDD, 0x00 },
250 { 0xE0, 0x26 },
251 { 0xE1, 0x26 },
252 { 0xB0, 0x03 },
253 { 0xC3, 0x2A },
254 { 0xE7, 0x2A },
255 { 0xC5, 0x2A },
256 { 0xDE, 0x2A },
257 { 0xBC, 0x02 },
258 { 0xCB, 0x02 },
259 { 0xB0, 0x00 },
260 { 0xB6, 0x03 },
261 { 0xBA, 0x8B },
262 { 0xBF, 0x15 },
263 { 0xC0, 0x18 },
264 { 0xC2, 0x14 },
265 { 0xC3, 0x02 },
266 { 0xC4, 0x14 },
267 { 0xC5, 0x02 },
268 { 0xCC, 0x0A },
269 { 0xB0, 0x06 },
270 { 0xC0, 0xA5 },
271 { 0xD5, 0x20 },
272 { 0xC0, 0x00 },
273 { 0xB0, 0x02 },
274 { 0xC0, 0x00 },
275 { 0xC1, 0x02 },
276 { 0xC2, 0x06 },
277 { 0xC3, 0x16 },
278 { 0xC4, 0x0E },
279 { 0xC5, 0x18 },
280 { 0xC6, 0x26 },
281 { 0xC7, 0x32 },
282 { 0xC8, 0x3F },
283 { 0xC9, 0x3F },
284 { 0xCA, 0x3F },
285 { 0xCB, 0x3F },
286 { 0xCC, 0x3D },
287 { 0xCD, 0x2F },
288 { 0xCE, 0x2F },
289 { 0xCF, 0x2F },
290 { 0xD0, 0x07 },
291 { 0xD2, 0x00 },
292 { 0xD3, 0x02 },
293 { 0xD4, 0x06 },
294 { 0xD5, 0x12 },
295 { 0xD6, 0x0A },
296 { 0xD7, 0x14 },
297 { 0xD8, 0x22 },
298 { 0xD9, 0x2E },
299 { 0xDA, 0x3D },
300 { 0xDB, 0x3F },
301 { 0xDC, 0x3F },
302 { 0xDD, 0x3F },
303 { 0xDE, 0x3D },
304 { 0xDF, 0x2F },
305 { 0xE0, 0x2F },
306 { 0xE1, 0x2F },
307 { 0xE2, 0x07 },
308 { 0xB0, 0x07 },
309 { 0xB1, 0x18 },
310 { 0xB2, 0x19 },
311 { 0xB3, 0x2E },
312 { 0xB4, 0x52 },
313 { 0xB5, 0x72 },
314 { 0xB6, 0x8C },
315 { 0xB7, 0xBD },
316 { 0xB8, 0xEB },
317 { 0xB9, 0x47 },
318 { 0xBA, 0x96 },
319 { 0xBB, 0x1E },
320 { 0xBC, 0x90 },
321 { 0xBD, 0x93 },
322 { 0xBE, 0xFA },
323 { 0xBF, 0x56 },
324 { 0xC0, 0x8C },
325 { 0xC1, 0xB7 },
326 { 0xC2, 0xCC },
327 { 0xC3, 0xDF },
328 { 0xC4, 0xE8 },
329 { 0xC5, 0xF0 },
330 { 0xC6, 0xF8 },
331 { 0xC7, 0xFA },
332 { 0xC8, 0xFC },
333 { 0xC9, 0x00 },
334 { 0xCA, 0x00 },
335 { 0xCB, 0x5A },
336 { 0xCC, 0xAF },
337 { 0xCD, 0xFF },
338 { 0xCE, 0xFF },
339 { 0xB0, 0x08 },
340 { 0xB1, 0x04 },
341 { 0xB2, 0x15 },
342 { 0xB3, 0x2D },
343 { 0xB4, 0x51 },
344 { 0xB5, 0x72 },
345 { 0xB6, 0x8D },
346 { 0xB7, 0xBE },
347 { 0xB8, 0xED },
348 { 0xB9, 0x4A },
349 { 0xBA, 0x9A },
350 { 0xBB, 0x23 },
351 { 0xBC, 0x95 },
352 { 0xBD, 0x98 },
353 { 0xBE, 0xFF },
354 { 0xBF, 0x59 },
355 { 0xC0, 0x8E },
356 { 0xC1, 0xB9 },
357 { 0xC2, 0xCD },
358 { 0xC3, 0xDF },
359 { 0xC4, 0xE8 },
360 { 0xC5, 0xF0 },
361 { 0xC6, 0xF8 },
362 { 0xC7, 0xFA },
363 { 0xC8, 0xFC },
364 { 0xC9, 0x00 },
365 { 0xCA, 0x00 },
366 { 0xCB, 0x5A },
367 { 0xCC, 0xAF },
368 { 0xCD, 0xFF },
369 { 0xCE, 0xFF },
370 { 0xB0, 0x09 },
371 { 0xB1, 0x04 },
372 { 0xB2, 0x2C },
373 { 0xB3, 0x36 },
374 { 0xB4, 0x53 },
375 { 0xB5, 0x73 },
376 { 0xB6, 0x8E },
377 { 0xB7, 0xC0 },
378 { 0xB8, 0xEF },
379 { 0xB9, 0x4C },
380 { 0xBA, 0x9D },
381 { 0xBB, 0x25 },
382 { 0xBC, 0x96 },
383 { 0xBD, 0x9A },
384 { 0xBE, 0x01 },
385 { 0xBF, 0x59 },
386 { 0xC0, 0x8E },
387 { 0xC1, 0xB9 },
388 { 0xC2, 0xCD },
389 { 0xC3, 0xDF },
390 { 0xC4, 0xE8 },
391 { 0xC5, 0xF0 },
392 { 0xC6, 0xF8 },
393 { 0xC7, 0xFA },
394 { 0xC8, 0xFC },
395 { 0xC9, 0x00 },
396 { 0xCA, 0x00 },
397 { 0xCB, 0x5A },
398 { 0xCC, 0xBF },
399 { 0xCD, 0xFF },
400 { 0xCE, 0xFF },
401 { 0xB0, 0x0A },
402 { 0xB1, 0x18 },
403 { 0xB2, 0x19 },
404 { 0xB3, 0x2E },
405 { 0xB4, 0x52 },
406 { 0xB5, 0x72 },
407 { 0xB6, 0x8C },
408 { 0xB7, 0xBD },
409 { 0xB8, 0xEB },
410 { 0xB9, 0x47 },
411 { 0xBA, 0x96 },
412 { 0xBB, 0x1E },
413 { 0xBC, 0x90 },
414 { 0xBD, 0x93 },
415 { 0xBE, 0xFA },
416 { 0xBF, 0x56 },
417 { 0xC0, 0x8C },
418 { 0xC1, 0xB7 },
419 { 0xC2, 0xCC },
420 { 0xC3, 0xDF },
421 { 0xC4, 0xE8 },
422 { 0xC5, 0xF0 },
423 { 0xC6, 0xF8 },
424 { 0xC7, 0xFA },
425 { 0xC8, 0xFC },
426 { 0xC9, 0x00 },
427 { 0xCA, 0x00 },
428 { 0xCB, 0x5A },
429 { 0xCC, 0xAF },
430 { 0xCD, 0xFF },
431 { 0xCE, 0xFF },
432 { 0xB0, 0x0B },
433 { 0xB1, 0x04 },
434 { 0xB2, 0x15 },
435 { 0xB3, 0x2D },
436 { 0xB4, 0x51 },
437 { 0xB5, 0x72 },
438 { 0xB6, 0x8D },
439 { 0xB7, 0xBE },
440 { 0xB8, 0xED },
441 { 0xB9, 0x4A },
442 { 0xBA, 0x9A },
443 { 0xBB, 0x23 },
444 { 0xBC, 0x95 },
445 { 0xBD, 0x98 },
446 { 0xBE, 0xFF },
447 { 0xBF, 0x59 },
448 { 0xC0, 0x8E },
449 { 0xC1, 0xB9 },
450 { 0xC2, 0xCD },
451 { 0xC3, 0xDF },
452 { 0xC4, 0xE8 },
453 { 0xC5, 0xF0 },
454 { 0xC6, 0xF8 },
455 { 0xC7, 0xFA },
456 { 0xC8, 0xFC },
457 { 0xC9, 0x00 },
458 { 0xCA, 0x00 },
459 { 0xCB, 0x5A },
460 { 0xCC, 0xAF },
461 { 0xCD, 0xFF },
462 { 0xCE, 0xFF },
463 { 0xB0, 0x0C },
464 { 0xB1, 0x04 },
465 { 0xB2, 0x2C },
466 { 0xB3, 0x36 },
467 { 0xB4, 0x53 },
468 { 0xB5, 0x73 },
469 { 0xB6, 0x8E },
470 { 0xB7, 0xC0 },
471 { 0xB8, 0xEF },
472 { 0xB9, 0x4C },
473 { 0xBA, 0x9D },
474 { 0xBB, 0x25 },
475 { 0xBC, 0x96 },
476 { 0xBD, 0x9A },
477 { 0xBE, 0x01 },
478 { 0xBF, 0x59 },
479 { 0xC0, 0x8E },
480 { 0xC1, 0xB9 },
481 { 0xC2, 0xCD },
482 { 0xC3, 0xDF },
483 { 0xC4, 0xE8 },
484 { 0xC5, 0xF0 },
485 { 0xC6, 0xF8 },
486 { 0xC7, 0xFA },
487 { 0xC8, 0xFC },
488 { 0xC9, 0x00 },
489 { 0xCA, 0x00 },
490 { 0xCB, 0x5A },
491 { 0xCC, 0xBF },
492 { 0xCD, 0xFF },
493 { 0xCE, 0xFF },
494 { 0xB0, 0x04 },
495 { 0xB5, 0x02 },
496 { 0xB6, 0x01 },
497};
498
499static const struct panel_desc boe_himax8279d8p_panel_desc = {
500 .display_mode = &default_display_mode,
501 .bpc = 8,
502 .width_mm = 107,
503 .height_mm = 172,
504 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
505 MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
506 .format = MIPI_DSI_FMT_RGB888,
507 .lanes = 4,
508 .on_cmds = boe_himax8279d8p_on_cmds,
509 .on_cmds_num = 260,
510};
511
512/* 10 inch */
513static const struct panel_cmd boe_himax8279d10p_on_cmds[] = {
514 { 0xB0, 0x05 },
515 { 0xB1, 0xE5 },
516 { 0xB3, 0x52 },
517 { 0xB0, 0x00 },
518 { 0xB6, 0x03 },
519 { 0xBA, 0x8B },
520 { 0xBF, 0x1A },
521 { 0xC0, 0x0F },
522 { 0xC2, 0x0C },
523 { 0xC3, 0x02 },
524 { 0xC4, 0x0C },
525 { 0xC5, 0x02 },
526 { 0xB0, 0x01 },
527 { 0xE0, 0x26 },
528 { 0xE1, 0x26 },
529 { 0xDC, 0x00 },
530 { 0xDD, 0x00 },
531 { 0xCC, 0x26 },
532 { 0xCD, 0x26 },
533 { 0xC8, 0x00 },
534 { 0xC9, 0x00 },
535 { 0xD2, 0x03 },
536 { 0xD3, 0x03 },
537 { 0xE6, 0x04 },
538 { 0xE7, 0x04 },
539 { 0xC4, 0x09 },
540 { 0xC5, 0x09 },
541 { 0xD8, 0x0A },
542 { 0xD9, 0x0A },
543 { 0xC2, 0x0B },
544 { 0xC3, 0x0B },
545 { 0xD6, 0x0C },
546 { 0xD7, 0x0C },
547 { 0xC0, 0x05 },
548 { 0xC1, 0x05 },
549 { 0xD4, 0x06 },
550 { 0xD5, 0x06 },
551 { 0xCA, 0x07 },
552 { 0xCB, 0x07 },
553 { 0xDE, 0x08 },
554 { 0xDF, 0x08 },
555 { 0xB0, 0x02 },
556 { 0xC0, 0x00 },
557 { 0xC1, 0x0D },
558 { 0xC2, 0x17 },
559 { 0xC3, 0x26 },
560 { 0xC4, 0x31 },
561 { 0xC5, 0x1C },
562 { 0xC6, 0x2C },
563 { 0xC7, 0x33 },
564 { 0xC8, 0x31 },
565 { 0xC9, 0x37 },
566 { 0xCA, 0x37 },
567 { 0xCB, 0x37 },
568 { 0xCC, 0x39 },
569 { 0xCD, 0x2E },
570 { 0xCE, 0x2F },
571 { 0xCF, 0x2F },
572 { 0xD0, 0x07 },
573 { 0xD2, 0x00 },
574 { 0xD3, 0x0D },
575 { 0xD4, 0x17 },
576 { 0xD5, 0x26 },
577 { 0xD6, 0x31 },
578 { 0xD7, 0x3F },
579 { 0xD8, 0x3F },
580 { 0xD9, 0x3F },
581 { 0xDA, 0x3F },
582 { 0xDB, 0x37 },
583 { 0xDC, 0x37 },
584 { 0xDD, 0x37 },
585 { 0xDE, 0x39 },
586 { 0xDF, 0x2E },
587 { 0xE0, 0x2F },
588 { 0xE1, 0x2F },
589 { 0xE2, 0x07 },
590 { 0xB0, 0x03 },
591 { 0xC8, 0x0B },
592 { 0xC9, 0x07 },
593 { 0xC3, 0x00 },
594 { 0xE7, 0x00 },
595 { 0xC5, 0x2A },
596 { 0xDE, 0x2A },
597 { 0xCA, 0x43 },
598 { 0xC9, 0x07 },
599 { 0xE4, 0xC0 },
600 { 0xE5, 0x0D },
601 { 0xCB, 0x01 },
602 { 0xBC, 0x01 },
603 { 0xB0, 0x06 },
604 { 0xB8, 0xA5 },
605 { 0xC0, 0xA5 },
606 { 0xC7, 0x0F },
607 { 0xD5, 0x32 },
608 { 0xB8, 0x00 },
609 { 0xC0, 0x00 },
610 { 0xBC, 0x00 },
611 { 0xB0, 0x07 },
612 { 0xB1, 0x00 },
613 { 0xB2, 0x05 },
614 { 0xB3, 0x10 },
615 { 0xB4, 0x22 },
616 { 0xB5, 0x36 },
617 { 0xB6, 0x4A },
618 { 0xB7, 0x6C },
619 { 0xB8, 0x9A },
620 { 0xB9, 0xD7 },
621 { 0xBA, 0x17 },
622 { 0xBB, 0x92 },
623 { 0xBC, 0x15 },
624 { 0xBD, 0x18 },
625 { 0xBE, 0x8C },
626 { 0xBF, 0x00 },
627 { 0xC0, 0x3A },
628 { 0xC1, 0x72 },
629 { 0xC2, 0x8C },
630 { 0xC3, 0xA5 },
631 { 0xC4, 0xB1 },
632 { 0xC5, 0xBE },
633 { 0xC6, 0xCA },
634 { 0xC7, 0xD1 },
635 { 0xC8, 0xD4 },
636 { 0xC9, 0x00 },
637 { 0xCA, 0x00 },
638 { 0xCB, 0x16 },
639 { 0xCC, 0xAF },
640 { 0xCD, 0xFF },
641 { 0xCE, 0xFF },
642 { 0xB0, 0x08 },
643 { 0xB1, 0x04 },
644 { 0xB2, 0x05 },
645 { 0xB3, 0x11 },
646 { 0xB4, 0x24 },
647 { 0xB5, 0x39 },
648 { 0xB6, 0x4E },
649 { 0xB7, 0x72 },
650 { 0xB8, 0xA3 },
651 { 0xB9, 0xE1 },
652 { 0xBA, 0x25 },
653 { 0xBB, 0xA8 },
654 { 0xBC, 0x2E },
655 { 0xBD, 0x32 },
656 { 0xBE, 0xAD },
657 { 0xBF, 0x28 },
658 { 0xC0, 0x63 },
659 { 0xC1, 0x9B },
660 { 0xC2, 0xB5 },
661 { 0xC3, 0xCF },
662 { 0xC4, 0xDB },
663 { 0xC5, 0xE8 },
664 { 0xC6, 0xF5 },
665 { 0xC7, 0xFA },
666 { 0xC8, 0xFC },
667 { 0xC9, 0x00 },
668 { 0xCA, 0x00 },
669 { 0xCB, 0x16 },
670 { 0xCC, 0xAF },
671 { 0xCD, 0xFF },
672 { 0xCE, 0xFF },
673 { 0xB0, 0x09 },
674 { 0xB1, 0x04 },
675 { 0xB2, 0x04 },
676 { 0xB3, 0x0F },
677 { 0xB4, 0x22 },
678 { 0xB5, 0x37 },
679 { 0xB6, 0x4D },
680 { 0xB7, 0x71 },
681 { 0xB8, 0xA2 },
682 { 0xB9, 0xE1 },
683 { 0xBA, 0x26 },
684 { 0xBB, 0xA9 },
685 { 0xBC, 0x2F },
686 { 0xBD, 0x33 },
687 { 0xBE, 0xAC },
688 { 0xBF, 0x24 },
689 { 0xC0, 0x5D },
690 { 0xC1, 0x94 },
691 { 0xC2, 0xAC },
692 { 0xC3, 0xC5 },
693 { 0xC4, 0xD1 },
694 { 0xC5, 0xDC },
695 { 0xC6, 0xE8 },
696 { 0xC7, 0xED },
697 { 0xC8, 0xF0 },
698 { 0xC9, 0x00 },
699 { 0xCA, 0x00 },
700 { 0xCB, 0x16 },
701 { 0xCC, 0xAF },
702 { 0xCD, 0xFF },
703 { 0xCE, 0xFF },
704 { 0xB0, 0x0A },
705 { 0xB1, 0x00 },
706 { 0xB2, 0x05 },
707 { 0xB3, 0x10 },
708 { 0xB4, 0x22 },
709 { 0xB5, 0x36 },
710 { 0xB6, 0x4A },
711 { 0xB7, 0x6C },
712 { 0xB8, 0x9A },
713 { 0xB9, 0xD7 },
714 { 0xBA, 0x17 },
715 { 0xBB, 0x92 },
716 { 0xBC, 0x15 },
717 { 0xBD, 0x18 },
718 { 0xBE, 0x8C },
719 { 0xBF, 0x00 },
720 { 0xC0, 0x3A },
721 { 0xC1, 0x72 },
722 { 0xC2, 0x8C },
723 { 0xC3, 0xA5 },
724 { 0xC4, 0xB1 },
725 { 0xC5, 0xBE },
726 { 0xC6, 0xCA },
727 { 0xC7, 0xD1 },
728 { 0xC8, 0xD4 },
729 { 0xC9, 0x00 },
730 { 0xCA, 0x00 },
731 { 0xCB, 0x16 },
732 { 0xCC, 0xAF },
733 { 0xCD, 0xFF },
734 { 0xCE, 0xFF },
735 { 0xB0, 0x0B },
736 { 0xB1, 0x04 },
737 { 0xB2, 0x05 },
738 { 0xB3, 0x11 },
739 { 0xB4, 0x24 },
740 { 0xB5, 0x39 },
741 { 0xB6, 0x4E },
742 { 0xB7, 0x72 },
743 { 0xB8, 0xA3 },
744 { 0xB9, 0xE1 },
745 { 0xBA, 0x25 },
746 { 0xBB, 0xA8 },
747 { 0xBC, 0x2E },
748 { 0xBD, 0x32 },
749 { 0xBE, 0xAD },
750 { 0xBF, 0x28 },
751 { 0xC0, 0x63 },
752 { 0xC1, 0x9B },
753 { 0xC2, 0xB5 },
754 { 0xC3, 0xCF },
755 { 0xC4, 0xDB },
756 { 0xC5, 0xE8 },
757 { 0xC6, 0xF5 },
758 { 0xC7, 0xFA },
759 { 0xC8, 0xFC },
760 { 0xC9, 0x00 },
761 { 0xCA, 0x00 },
762 { 0xCB, 0x16 },
763 { 0xCC, 0xAF },
764 { 0xCD, 0xFF },
765 { 0xCE, 0xFF },
766 { 0xB0, 0x0C },
767 { 0xB1, 0x04 },
768 { 0xB2, 0x04 },
769 { 0xB3, 0x0F },
770 { 0xB4, 0x22 },
771 { 0xB5, 0x37 },
772 { 0xB6, 0x4D },
773 { 0xB7, 0x71 },
774 { 0xB8, 0xA2 },
775 { 0xB9, 0xE1 },
776 { 0xBA, 0x26 },
777 { 0xBB, 0xA9 },
778 { 0xBC, 0x2F },
779 { 0xBD, 0x33 },
780 { 0xBE, 0xAC },
781 { 0xBF, 0x24 },
782 { 0xC0, 0x5D },
783 { 0xC1, 0x94 },
784 { 0xC2, 0xAC },
785 { 0xC3, 0xC5 },
786 { 0xC4, 0xD1 },
787 { 0xC5, 0xDC },
788 { 0xC6, 0xE8 },
789 { 0xC7, 0xED },
790 { 0xC8, 0xF0 },
791 { 0xC9, 0x00 },
792 { 0xCA, 0x00 },
793 { 0xCB, 0x16 },
794 { 0xCC, 0xAF },
795 { 0xCD, 0xFF },
796 { 0xCE, 0xFF },
797};
798
799static const struct panel_desc boe_himax8279d10p_panel_desc = {
800 .display_mode = &default_display_mode,
801 .bpc = 8,
802 .width_mm = 135,
803 .height_mm = 216,
804 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
805 MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
806 .format = MIPI_DSI_FMT_RGB888,
807 .lanes = 4,
808 .on_cmds = boe_himax8279d10p_on_cmds,
809 .on_cmds_num = 283,
810};
811
812static const struct of_device_id panel_of_match[] = {
813 {
814 .compatible = "boe,himax8279d8p",
815 .data = &boe_himax8279d8p_panel_desc,
816 },
817 {
818 .compatible = "boe,himax8279d10p",
819 .data = &boe_himax8279d10p_panel_desc,
820 },
821 {
822 /* sentinel */
823 }
824};
825MODULE_DEVICE_TABLE(of, panel_of_match);
826
827static int panel_add(struct panel_info *pinfo)
828{
829 struct device *dev = &pinfo->link->dev;
830 int ret;
831
832 pinfo->pp18_gpio = devm_gpiod_get(dev, "pp18", GPIOD_OUT_HIGH);
833 if (IS_ERR(pinfo->pp18_gpio)) {
834 return dev_err_probe(dev, PTR_ERR(pinfo->pp18_gpio),
835 "failed to get pp18 gpio\n");
836 }
837
838 pinfo->pp33_gpio = devm_gpiod_get(dev, "pp33", GPIOD_OUT_HIGH);
839 if (IS_ERR(pinfo->pp33_gpio)) {
840 return dev_err_probe(dev, PTR_ERR(pinfo->pp33_gpio),
841 "failed to get pp33 gpio\n");
842 }
843
844 pinfo->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
845 if (IS_ERR(pinfo->enable_gpio)) {
846 return dev_err_probe(dev, PTR_ERR(pinfo->enable_gpio),
847 "failed to get enable gpio\n");
848 }
849
850 drm_panel_init(&pinfo->base, dev, &panel_funcs,
851 DRM_MODE_CONNECTOR_DSI);
852
853 ret = drm_panel_of_backlight(&pinfo->base);
854 if (ret)
855 return ret;
856
857 drm_panel_add(&pinfo->base);
858
859 return 0;
860}
861
862static int panel_probe(struct mipi_dsi_device *dsi)
863{
864 struct panel_info *pinfo;
865 const struct panel_desc *desc;
866 int err;
867
868 pinfo = devm_kzalloc(&dsi->dev, sizeof(*pinfo), GFP_KERNEL);
869 if (!pinfo)
870 return -ENOMEM;
871
872 desc = of_device_get_match_data(&dsi->dev);
873 dsi->mode_flags = desc->mode_flags;
874 dsi->format = desc->format;
875 dsi->lanes = desc->lanes;
876 pinfo->desc = desc;
877
878 pinfo->link = dsi;
879 mipi_dsi_set_drvdata(dsi, pinfo);
880
881 err = panel_add(pinfo);
882 if (err < 0)
883 return err;
884
885 err = mipi_dsi_attach(dsi);
886 if (err < 0)
887 drm_panel_remove(&pinfo->base);
888
889 return err;
890}
891
892static void panel_remove(struct mipi_dsi_device *dsi)
893{
894 struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
895 int err;
896
897 err = mipi_dsi_detach(dsi);
898 if (err < 0)
899 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
900
901 drm_panel_remove(&pinfo->base);
902}
903
904static struct mipi_dsi_driver panel_driver = {
905 .driver = {
906 .name = "panel-boe-himax8279d",
907 .of_match_table = panel_of_match,
908 },
909 .probe = panel_probe,
910 .remove = panel_remove,
911};
912module_mipi_dsi_driver(panel_driver);
913
914MODULE_AUTHOR("Jerry Han <jerry.han.hq@gmail.com>");
915MODULE_DESCRIPTION("Boe Himax8279d driver");
916MODULE_LICENSE("GPL v2");