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
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#include <linux/of_device.h>
14
15#include <linux/gpio/consumer.h>
16#include <linux/regulator/consumer.h>
17
18#include <drm/drm_device.h>
19#include <drm/drm_mipi_dsi.h>
20#include <drm/drm_modes.h>
21#include <drm/drm_panel.h>
22#include <drm/drm_print.h>
23
24#include <video/mipi_display.h>
25
26struct panel_cmd {
27 char cmd;
28 char data;
29};
30
31struct panel_desc {
32 const struct drm_display_mode *display_mode;
33 unsigned int bpc;
34 unsigned int width_mm;
35 unsigned int height_mm;
36
37 unsigned long mode_flags;
38 enum mipi_dsi_pixel_format format;
39 unsigned int lanes;
40 const struct panel_cmd *on_cmds;
41 unsigned int on_cmds_num;
42};
43
44struct panel_info {
45 struct drm_panel base;
46 struct mipi_dsi_device *link;
47 const struct panel_desc *desc;
48
49 struct gpio_desc *enable_gpio;
50 struct gpio_desc *pp33_gpio;
51 struct gpio_desc *pp18_gpio;
52
53 bool prepared;
54 bool enabled;
55};
56
57static inline struct panel_info *to_panel_info(struct drm_panel *panel)
58{
59 return container_of(panel, struct panel_info, base);
60}
61
62static void disable_gpios(struct panel_info *pinfo)
63{
64 gpiod_set_value(pinfo->enable_gpio, 0);
65 gpiod_set_value(pinfo->pp33_gpio, 0);
66 gpiod_set_value(pinfo->pp18_gpio, 0);
67}
68
69static int send_mipi_cmds(struct drm_panel *panel, const struct panel_cmd *cmds)
70{
71 struct panel_info *pinfo = to_panel_info(panel);
72 unsigned int i = 0;
73 int err;
74
75 for (i = 0; i < pinfo->desc->on_cmds_num; i++) {
76 err = mipi_dsi_dcs_write_buffer(pinfo->link, &cmds[i],
77 sizeof(struct panel_cmd));
78
79 if (err < 0)
80 return err;
81 }
82
83 return 0;
84}
85
86static int boe_panel_disable(struct drm_panel *panel)
87{
88 struct panel_info *pinfo = to_panel_info(panel);
89 int err;
90
91 if (!pinfo->enabled)
92 return 0;
93
94 err = mipi_dsi_dcs_set_display_off(pinfo->link);
95 if (err < 0) {
96 DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
97 err);
98 return err;
99 }
100
101 pinfo->enabled = false;
102
103 return 0;
104}
105
106static int boe_panel_unprepare(struct drm_panel *panel)
107{
108 struct panel_info *pinfo = to_panel_info(panel);
109 int err;
110
111 if (!pinfo->prepared)
112 return 0;
113
114 err = mipi_dsi_dcs_set_display_off(pinfo->link);
115 if (err < 0)
116 DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
117 err);
118
119 err = mipi_dsi_dcs_enter_sleep_mode(pinfo->link);
120 if (err < 0)
121 DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n",
122 err);
123
124 /* sleep_mode_delay: 1ms - 2ms */
125 usleep_range(1000, 2000);
126
127 disable_gpios(pinfo);
128
129 pinfo->prepared = false;
130
131 return 0;
132}
133
134static int boe_panel_prepare(struct drm_panel *panel)
135{
136 struct panel_info *pinfo = to_panel_info(panel);
137 int err;
138
139 if (pinfo->prepared)
140 return 0;
141
142 gpiod_set_value(pinfo->pp18_gpio, 1);
143 /* T1: 5ms - 6ms */
144 usleep_range(5000, 6000);
145 gpiod_set_value(pinfo->pp33_gpio, 1);
146
147 /* reset sequence */
148 /* T2: 14ms - 15ms */
149 usleep_range(14000, 15000);
150 gpiod_set_value(pinfo->enable_gpio, 1);
151
152 /* T3: 1ms - 2ms */
153 usleep_range(1000, 2000);
154 gpiod_set_value(pinfo->enable_gpio, 0);
155
156 /* T4: 1ms - 2ms */
157 usleep_range(1000, 2000);
158 gpiod_set_value(pinfo->enable_gpio, 1);
159
160 /* T5: 5ms - 6ms */
161 usleep_range(5000, 6000);
162
163 /* send init code */
164 err = send_mipi_cmds(panel, pinfo->desc->on_cmds);
165 if (err < 0) {
166 DRM_DEV_ERROR(panel->dev, "failed to send DCS Init Code: %d\n",
167 err);
168 goto poweroff;
169 }
170
171 err = mipi_dsi_dcs_exit_sleep_mode(pinfo->link);
172 if (err < 0) {
173 DRM_DEV_ERROR(panel->dev, "failed to exit sleep mode: %d\n",
174 err);
175 goto poweroff;
176 }
177
178 /* T6: 120ms - 121ms */
179 usleep_range(120000, 121000);
180
181 err = mipi_dsi_dcs_set_display_on(pinfo->link);
182 if (err < 0) {
183 DRM_DEV_ERROR(panel->dev, "failed to set display on: %d\n",
184 err);
185 goto poweroff;
186 }
187
188 /* T7: 20ms - 21ms */
189 usleep_range(20000, 21000);
190
191 pinfo->prepared = true;
192
193 return 0;
194
195poweroff:
196 disable_gpios(pinfo);
197 return err;
198}
199
200static int boe_panel_enable(struct drm_panel *panel)
201{
202 struct panel_info *pinfo = to_panel_info(panel);
203 int ret;
204
205 if (pinfo->enabled)
206 return 0;
207
208 usleep_range(120000, 121000);
209
210 ret = mipi_dsi_dcs_set_display_on(pinfo->link);
211 if (ret < 0) {
212 DRM_DEV_ERROR(panel->dev, "failed to set display on: %d\n",
213 ret);
214 return ret;
215 }
216
217 pinfo->enabled = true;
218
219 return 0;
220}
221
222static int boe_panel_get_modes(struct drm_panel *panel,
223 struct drm_connector *connector)
224{
225 struct panel_info *pinfo = to_panel_info(panel);
226 const struct drm_display_mode *m = pinfo->desc->display_mode;
227 struct drm_display_mode *mode;
228
229 mode = drm_mode_duplicate(connector->dev, m);
230 if (!mode) {
231 DRM_DEV_ERROR(pinfo->base.dev, "failed to add mode %ux%u@%u\n",
232 m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
233 return -ENOMEM;
234 }
235
236 drm_mode_set_name(mode);
237
238 drm_mode_probed_add(connector, mode);
239
240 connector->display_info.width_mm = pinfo->desc->width_mm;
241 connector->display_info.height_mm = pinfo->desc->height_mm;
242 connector->display_info.bpc = pinfo->desc->bpc;
243
244 return 1;
245}
246
247static const struct drm_panel_funcs panel_funcs = {
248 .disable = boe_panel_disable,
249 .unprepare = boe_panel_unprepare,
250 .prepare = boe_panel_prepare,
251 .enable = boe_panel_enable,
252 .get_modes = boe_panel_get_modes,
253};
254
255static const struct drm_display_mode default_display_mode = {
256 .clock = 159420,
257 .hdisplay = 1200,
258 .hsync_start = 1200 + 80,
259 .hsync_end = 1200 + 80 + 60,
260 .htotal = 1200 + 80 + 60 + 24,
261 .vdisplay = 1920,
262 .vsync_start = 1920 + 10,
263 .vsync_end = 1920 + 10 + 14,
264 .vtotal = 1920 + 10 + 14 + 4,
265};
266
267/* 8 inch */
268static const struct panel_cmd boe_himax8279d8p_on_cmds[] = {
269 { 0xB0, 0x05 },
270 { 0xB1, 0xE5 },
271 { 0xB3, 0x52 },
272 { 0xC0, 0x00 },
273 { 0xC2, 0x57 },
274 { 0xD9, 0x85 },
275 { 0xB0, 0x01 },
276 { 0xC8, 0x00 },
277 { 0xC9, 0x00 },
278 { 0xCC, 0x26 },
279 { 0xCD, 0x26 },
280 { 0xDC, 0x00 },
281 { 0xDD, 0x00 },
282 { 0xE0, 0x26 },
283 { 0xE1, 0x26 },
284 { 0xB0, 0x03 },
285 { 0xC3, 0x2A },
286 { 0xE7, 0x2A },
287 { 0xC5, 0x2A },
288 { 0xDE, 0x2A },
289 { 0xBC, 0x02 },
290 { 0xCB, 0x02 },
291 { 0xB0, 0x00 },
292 { 0xB6, 0x03 },
293 { 0xBA, 0x8B },
294 { 0xBF, 0x15 },
295 { 0xC0, 0x18 },
296 { 0xC2, 0x14 },
297 { 0xC3, 0x02 },
298 { 0xC4, 0x14 },
299 { 0xC5, 0x02 },
300 { 0xCC, 0x0A },
301 { 0xB0, 0x06 },
302 { 0xC0, 0xA5 },
303 { 0xD5, 0x20 },
304 { 0xC0, 0x00 },
305 { 0xB0, 0x02 },
306 { 0xC0, 0x00 },
307 { 0xC1, 0x02 },
308 { 0xC2, 0x06 },
309 { 0xC3, 0x16 },
310 { 0xC4, 0x0E },
311 { 0xC5, 0x18 },
312 { 0xC6, 0x26 },
313 { 0xC7, 0x32 },
314 { 0xC8, 0x3F },
315 { 0xC9, 0x3F },
316 { 0xCA, 0x3F },
317 { 0xCB, 0x3F },
318 { 0xCC, 0x3D },
319 { 0xCD, 0x2F },
320 { 0xCE, 0x2F },
321 { 0xCF, 0x2F },
322 { 0xD0, 0x07 },
323 { 0xD2, 0x00 },
324 { 0xD3, 0x02 },
325 { 0xD4, 0x06 },
326 { 0xD5, 0x12 },
327 { 0xD6, 0x0A },
328 { 0xD7, 0x14 },
329 { 0xD8, 0x22 },
330 { 0xD9, 0x2E },
331 { 0xDA, 0x3D },
332 { 0xDB, 0x3F },
333 { 0xDC, 0x3F },
334 { 0xDD, 0x3F },
335 { 0xDE, 0x3D },
336 { 0xDF, 0x2F },
337 { 0xE0, 0x2F },
338 { 0xE1, 0x2F },
339 { 0xE2, 0x07 },
340 { 0xB0, 0x07 },
341 { 0xB1, 0x18 },
342 { 0xB2, 0x19 },
343 { 0xB3, 0x2E },
344 { 0xB4, 0x52 },
345 { 0xB5, 0x72 },
346 { 0xB6, 0x8C },
347 { 0xB7, 0xBD },
348 { 0xB8, 0xEB },
349 { 0xB9, 0x47 },
350 { 0xBA, 0x96 },
351 { 0xBB, 0x1E },
352 { 0xBC, 0x90 },
353 { 0xBD, 0x93 },
354 { 0xBE, 0xFA },
355 { 0xBF, 0x56 },
356 { 0xC0, 0x8C },
357 { 0xC1, 0xB7 },
358 { 0xC2, 0xCC },
359 { 0xC3, 0xDF },
360 { 0xC4, 0xE8 },
361 { 0xC5, 0xF0 },
362 { 0xC6, 0xF8 },
363 { 0xC7, 0xFA },
364 { 0xC8, 0xFC },
365 { 0xC9, 0x00 },
366 { 0xCA, 0x00 },
367 { 0xCB, 0x5A },
368 { 0xCC, 0xAF },
369 { 0xCD, 0xFF },
370 { 0xCE, 0xFF },
371 { 0xB0, 0x08 },
372 { 0xB1, 0x04 },
373 { 0xB2, 0x15 },
374 { 0xB3, 0x2D },
375 { 0xB4, 0x51 },
376 { 0xB5, 0x72 },
377 { 0xB6, 0x8D },
378 { 0xB7, 0xBE },
379 { 0xB8, 0xED },
380 { 0xB9, 0x4A },
381 { 0xBA, 0x9A },
382 { 0xBB, 0x23 },
383 { 0xBC, 0x95 },
384 { 0xBD, 0x98 },
385 { 0xBE, 0xFF },
386 { 0xBF, 0x59 },
387 { 0xC0, 0x8E },
388 { 0xC1, 0xB9 },
389 { 0xC2, 0xCD },
390 { 0xC3, 0xDF },
391 { 0xC4, 0xE8 },
392 { 0xC5, 0xF0 },
393 { 0xC6, 0xF8 },
394 { 0xC7, 0xFA },
395 { 0xC8, 0xFC },
396 { 0xC9, 0x00 },
397 { 0xCA, 0x00 },
398 { 0xCB, 0x5A },
399 { 0xCC, 0xAF },
400 { 0xCD, 0xFF },
401 { 0xCE, 0xFF },
402 { 0xB0, 0x09 },
403 { 0xB1, 0x04 },
404 { 0xB2, 0x2C },
405 { 0xB3, 0x36 },
406 { 0xB4, 0x53 },
407 { 0xB5, 0x73 },
408 { 0xB6, 0x8E },
409 { 0xB7, 0xC0 },
410 { 0xB8, 0xEF },
411 { 0xB9, 0x4C },
412 { 0xBA, 0x9D },
413 { 0xBB, 0x25 },
414 { 0xBC, 0x96 },
415 { 0xBD, 0x9A },
416 { 0xBE, 0x01 },
417 { 0xBF, 0x59 },
418 { 0xC0, 0x8E },
419 { 0xC1, 0xB9 },
420 { 0xC2, 0xCD },
421 { 0xC3, 0xDF },
422 { 0xC4, 0xE8 },
423 { 0xC5, 0xF0 },
424 { 0xC6, 0xF8 },
425 { 0xC7, 0xFA },
426 { 0xC8, 0xFC },
427 { 0xC9, 0x00 },
428 { 0xCA, 0x00 },
429 { 0xCB, 0x5A },
430 { 0xCC, 0xBF },
431 { 0xCD, 0xFF },
432 { 0xCE, 0xFF },
433 { 0xB0, 0x0A },
434 { 0xB1, 0x18 },
435 { 0xB2, 0x19 },
436 { 0xB3, 0x2E },
437 { 0xB4, 0x52 },
438 { 0xB5, 0x72 },
439 { 0xB6, 0x8C },
440 { 0xB7, 0xBD },
441 { 0xB8, 0xEB },
442 { 0xB9, 0x47 },
443 { 0xBA, 0x96 },
444 { 0xBB, 0x1E },
445 { 0xBC, 0x90 },
446 { 0xBD, 0x93 },
447 { 0xBE, 0xFA },
448 { 0xBF, 0x56 },
449 { 0xC0, 0x8C },
450 { 0xC1, 0xB7 },
451 { 0xC2, 0xCC },
452 { 0xC3, 0xDF },
453 { 0xC4, 0xE8 },
454 { 0xC5, 0xF0 },
455 { 0xC6, 0xF8 },
456 { 0xC7, 0xFA },
457 { 0xC8, 0xFC },
458 { 0xC9, 0x00 },
459 { 0xCA, 0x00 },
460 { 0xCB, 0x5A },
461 { 0xCC, 0xAF },
462 { 0xCD, 0xFF },
463 { 0xCE, 0xFF },
464 { 0xB0, 0x0B },
465 { 0xB1, 0x04 },
466 { 0xB2, 0x15 },
467 { 0xB3, 0x2D },
468 { 0xB4, 0x51 },
469 { 0xB5, 0x72 },
470 { 0xB6, 0x8D },
471 { 0xB7, 0xBE },
472 { 0xB8, 0xED },
473 { 0xB9, 0x4A },
474 { 0xBA, 0x9A },
475 { 0xBB, 0x23 },
476 { 0xBC, 0x95 },
477 { 0xBD, 0x98 },
478 { 0xBE, 0xFF },
479 { 0xBF, 0x59 },
480 { 0xC0, 0x8E },
481 { 0xC1, 0xB9 },
482 { 0xC2, 0xCD },
483 { 0xC3, 0xDF },
484 { 0xC4, 0xE8 },
485 { 0xC5, 0xF0 },
486 { 0xC6, 0xF8 },
487 { 0xC7, 0xFA },
488 { 0xC8, 0xFC },
489 { 0xC9, 0x00 },
490 { 0xCA, 0x00 },
491 { 0xCB, 0x5A },
492 { 0xCC, 0xAF },
493 { 0xCD, 0xFF },
494 { 0xCE, 0xFF },
495 { 0xB0, 0x0C },
496 { 0xB1, 0x04 },
497 { 0xB2, 0x2C },
498 { 0xB3, 0x36 },
499 { 0xB4, 0x53 },
500 { 0xB5, 0x73 },
501 { 0xB6, 0x8E },
502 { 0xB7, 0xC0 },
503 { 0xB8, 0xEF },
504 { 0xB9, 0x4C },
505 { 0xBA, 0x9D },
506 { 0xBB, 0x25 },
507 { 0xBC, 0x96 },
508 { 0xBD, 0x9A },
509 { 0xBE, 0x01 },
510 { 0xBF, 0x59 },
511 { 0xC0, 0x8E },
512 { 0xC1, 0xB9 },
513 { 0xC2, 0xCD },
514 { 0xC3, 0xDF },
515 { 0xC4, 0xE8 },
516 { 0xC5, 0xF0 },
517 { 0xC6, 0xF8 },
518 { 0xC7, 0xFA },
519 { 0xC8, 0xFC },
520 { 0xC9, 0x00 },
521 { 0xCA, 0x00 },
522 { 0xCB, 0x5A },
523 { 0xCC, 0xBF },
524 { 0xCD, 0xFF },
525 { 0xCE, 0xFF },
526 { 0xB0, 0x04 },
527 { 0xB5, 0x02 },
528 { 0xB6, 0x01 },
529};
530
531static const struct panel_desc boe_himax8279d8p_panel_desc = {
532 .display_mode = &default_display_mode,
533 .bpc = 8,
534 .width_mm = 107,
535 .height_mm = 172,
536 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
537 MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
538 .format = MIPI_DSI_FMT_RGB888,
539 .lanes = 4,
540 .on_cmds = boe_himax8279d8p_on_cmds,
541 .on_cmds_num = 260,
542};
543
544/* 10 inch */
545static const struct panel_cmd boe_himax8279d10p_on_cmds[] = {
546 { 0xB0, 0x05 },
547 { 0xB1, 0xE5 },
548 { 0xB3, 0x52 },
549 { 0xB0, 0x00 },
550 { 0xB6, 0x03 },
551 { 0xBA, 0x8B },
552 { 0xBF, 0x1A },
553 { 0xC0, 0x0F },
554 { 0xC2, 0x0C },
555 { 0xC3, 0x02 },
556 { 0xC4, 0x0C },
557 { 0xC5, 0x02 },
558 { 0xB0, 0x01 },
559 { 0xE0, 0x26 },
560 { 0xE1, 0x26 },
561 { 0xDC, 0x00 },
562 { 0xDD, 0x00 },
563 { 0xCC, 0x26 },
564 { 0xCD, 0x26 },
565 { 0xC8, 0x00 },
566 { 0xC9, 0x00 },
567 { 0xD2, 0x03 },
568 { 0xD3, 0x03 },
569 { 0xE6, 0x04 },
570 { 0xE7, 0x04 },
571 { 0xC4, 0x09 },
572 { 0xC5, 0x09 },
573 { 0xD8, 0x0A },
574 { 0xD9, 0x0A },
575 { 0xC2, 0x0B },
576 { 0xC3, 0x0B },
577 { 0xD6, 0x0C },
578 { 0xD7, 0x0C },
579 { 0xC0, 0x05 },
580 { 0xC1, 0x05 },
581 { 0xD4, 0x06 },
582 { 0xD5, 0x06 },
583 { 0xCA, 0x07 },
584 { 0xCB, 0x07 },
585 { 0xDE, 0x08 },
586 { 0xDF, 0x08 },
587 { 0xB0, 0x02 },
588 { 0xC0, 0x00 },
589 { 0xC1, 0x0D },
590 { 0xC2, 0x17 },
591 { 0xC3, 0x26 },
592 { 0xC4, 0x31 },
593 { 0xC5, 0x1C },
594 { 0xC6, 0x2C },
595 { 0xC7, 0x33 },
596 { 0xC8, 0x31 },
597 { 0xC9, 0x37 },
598 { 0xCA, 0x37 },
599 { 0xCB, 0x37 },
600 { 0xCC, 0x39 },
601 { 0xCD, 0x2E },
602 { 0xCE, 0x2F },
603 { 0xCF, 0x2F },
604 { 0xD0, 0x07 },
605 { 0xD2, 0x00 },
606 { 0xD3, 0x0D },
607 { 0xD4, 0x17 },
608 { 0xD5, 0x26 },
609 { 0xD6, 0x31 },
610 { 0xD7, 0x3F },
611 { 0xD8, 0x3F },
612 { 0xD9, 0x3F },
613 { 0xDA, 0x3F },
614 { 0xDB, 0x37 },
615 { 0xDC, 0x37 },
616 { 0xDD, 0x37 },
617 { 0xDE, 0x39 },
618 { 0xDF, 0x2E },
619 { 0xE0, 0x2F },
620 { 0xE1, 0x2F },
621 { 0xE2, 0x07 },
622 { 0xB0, 0x03 },
623 { 0xC8, 0x0B },
624 { 0xC9, 0x07 },
625 { 0xC3, 0x00 },
626 { 0xE7, 0x00 },
627 { 0xC5, 0x2A },
628 { 0xDE, 0x2A },
629 { 0xCA, 0x43 },
630 { 0xC9, 0x07 },
631 { 0xE4, 0xC0 },
632 { 0xE5, 0x0D },
633 { 0xCB, 0x01 },
634 { 0xBC, 0x01 },
635 { 0xB0, 0x06 },
636 { 0xB8, 0xA5 },
637 { 0xC0, 0xA5 },
638 { 0xC7, 0x0F },
639 { 0xD5, 0x32 },
640 { 0xB8, 0x00 },
641 { 0xC0, 0x00 },
642 { 0xBC, 0x00 },
643 { 0xB0, 0x07 },
644 { 0xB1, 0x00 },
645 { 0xB2, 0x05 },
646 { 0xB3, 0x10 },
647 { 0xB4, 0x22 },
648 { 0xB5, 0x36 },
649 { 0xB6, 0x4A },
650 { 0xB7, 0x6C },
651 { 0xB8, 0x9A },
652 { 0xB9, 0xD7 },
653 { 0xBA, 0x17 },
654 { 0xBB, 0x92 },
655 { 0xBC, 0x15 },
656 { 0xBD, 0x18 },
657 { 0xBE, 0x8C },
658 { 0xBF, 0x00 },
659 { 0xC0, 0x3A },
660 { 0xC1, 0x72 },
661 { 0xC2, 0x8C },
662 { 0xC3, 0xA5 },
663 { 0xC4, 0xB1 },
664 { 0xC5, 0xBE },
665 { 0xC6, 0xCA },
666 { 0xC7, 0xD1 },
667 { 0xC8, 0xD4 },
668 { 0xC9, 0x00 },
669 { 0xCA, 0x00 },
670 { 0xCB, 0x16 },
671 { 0xCC, 0xAF },
672 { 0xCD, 0xFF },
673 { 0xCE, 0xFF },
674 { 0xB0, 0x08 },
675 { 0xB1, 0x04 },
676 { 0xB2, 0x05 },
677 { 0xB3, 0x11 },
678 { 0xB4, 0x24 },
679 { 0xB5, 0x39 },
680 { 0xB6, 0x4E },
681 { 0xB7, 0x72 },
682 { 0xB8, 0xA3 },
683 { 0xB9, 0xE1 },
684 { 0xBA, 0x25 },
685 { 0xBB, 0xA8 },
686 { 0xBC, 0x2E },
687 { 0xBD, 0x32 },
688 { 0xBE, 0xAD },
689 { 0xBF, 0x28 },
690 { 0xC0, 0x63 },
691 { 0xC1, 0x9B },
692 { 0xC2, 0xB5 },
693 { 0xC3, 0xCF },
694 { 0xC4, 0xDB },
695 { 0xC5, 0xE8 },
696 { 0xC6, 0xF5 },
697 { 0xC7, 0xFA },
698 { 0xC8, 0xFC },
699 { 0xC9, 0x00 },
700 { 0xCA, 0x00 },
701 { 0xCB, 0x16 },
702 { 0xCC, 0xAF },
703 { 0xCD, 0xFF },
704 { 0xCE, 0xFF },
705 { 0xB0, 0x09 },
706 { 0xB1, 0x04 },
707 { 0xB2, 0x04 },
708 { 0xB3, 0x0F },
709 { 0xB4, 0x22 },
710 { 0xB5, 0x37 },
711 { 0xB6, 0x4D },
712 { 0xB7, 0x71 },
713 { 0xB8, 0xA2 },
714 { 0xB9, 0xE1 },
715 { 0xBA, 0x26 },
716 { 0xBB, 0xA9 },
717 { 0xBC, 0x2F },
718 { 0xBD, 0x33 },
719 { 0xBE, 0xAC },
720 { 0xBF, 0x24 },
721 { 0xC0, 0x5D },
722 { 0xC1, 0x94 },
723 { 0xC2, 0xAC },
724 { 0xC3, 0xC5 },
725 { 0xC4, 0xD1 },
726 { 0xC5, 0xDC },
727 { 0xC6, 0xE8 },
728 { 0xC7, 0xED },
729 { 0xC8, 0xF0 },
730 { 0xC9, 0x00 },
731 { 0xCA, 0x00 },
732 { 0xCB, 0x16 },
733 { 0xCC, 0xAF },
734 { 0xCD, 0xFF },
735 { 0xCE, 0xFF },
736 { 0xB0, 0x0A },
737 { 0xB1, 0x00 },
738 { 0xB2, 0x05 },
739 { 0xB3, 0x10 },
740 { 0xB4, 0x22 },
741 { 0xB5, 0x36 },
742 { 0xB6, 0x4A },
743 { 0xB7, 0x6C },
744 { 0xB8, 0x9A },
745 { 0xB9, 0xD7 },
746 { 0xBA, 0x17 },
747 { 0xBB, 0x92 },
748 { 0xBC, 0x15 },
749 { 0xBD, 0x18 },
750 { 0xBE, 0x8C },
751 { 0xBF, 0x00 },
752 { 0xC0, 0x3A },
753 { 0xC1, 0x72 },
754 { 0xC2, 0x8C },
755 { 0xC3, 0xA5 },
756 { 0xC4, 0xB1 },
757 { 0xC5, 0xBE },
758 { 0xC6, 0xCA },
759 { 0xC7, 0xD1 },
760 { 0xC8, 0xD4 },
761 { 0xC9, 0x00 },
762 { 0xCA, 0x00 },
763 { 0xCB, 0x16 },
764 { 0xCC, 0xAF },
765 { 0xCD, 0xFF },
766 { 0xCE, 0xFF },
767 { 0xB0, 0x0B },
768 { 0xB1, 0x04 },
769 { 0xB2, 0x05 },
770 { 0xB3, 0x11 },
771 { 0xB4, 0x24 },
772 { 0xB5, 0x39 },
773 { 0xB6, 0x4E },
774 { 0xB7, 0x72 },
775 { 0xB8, 0xA3 },
776 { 0xB9, 0xE1 },
777 { 0xBA, 0x25 },
778 { 0xBB, 0xA8 },
779 { 0xBC, 0x2E },
780 { 0xBD, 0x32 },
781 { 0xBE, 0xAD },
782 { 0xBF, 0x28 },
783 { 0xC0, 0x63 },
784 { 0xC1, 0x9B },
785 { 0xC2, 0xB5 },
786 { 0xC3, 0xCF },
787 { 0xC4, 0xDB },
788 { 0xC5, 0xE8 },
789 { 0xC6, 0xF5 },
790 { 0xC7, 0xFA },
791 { 0xC8, 0xFC },
792 { 0xC9, 0x00 },
793 { 0xCA, 0x00 },
794 { 0xCB, 0x16 },
795 { 0xCC, 0xAF },
796 { 0xCD, 0xFF },
797 { 0xCE, 0xFF },
798 { 0xB0, 0x0C },
799 { 0xB1, 0x04 },
800 { 0xB2, 0x04 },
801 { 0xB3, 0x0F },
802 { 0xB4, 0x22 },
803 { 0xB5, 0x37 },
804 { 0xB6, 0x4D },
805 { 0xB7, 0x71 },
806 { 0xB8, 0xA2 },
807 { 0xB9, 0xE1 },
808 { 0xBA, 0x26 },
809 { 0xBB, 0xA9 },
810 { 0xBC, 0x2F },
811 { 0xBD, 0x33 },
812 { 0xBE, 0xAC },
813 { 0xBF, 0x24 },
814 { 0xC0, 0x5D },
815 { 0xC1, 0x94 },
816 { 0xC2, 0xAC },
817 { 0xC3, 0xC5 },
818 { 0xC4, 0xD1 },
819 { 0xC5, 0xDC },
820 { 0xC6, 0xE8 },
821 { 0xC7, 0xED },
822 { 0xC8, 0xF0 },
823 { 0xC9, 0x00 },
824 { 0xCA, 0x00 },
825 { 0xCB, 0x16 },
826 { 0xCC, 0xAF },
827 { 0xCD, 0xFF },
828 { 0xCE, 0xFF },
829};
830
831static const struct panel_desc boe_himax8279d10p_panel_desc = {
832 .display_mode = &default_display_mode,
833 .bpc = 8,
834 .width_mm = 135,
835 .height_mm = 216,
836 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
837 MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
838 .format = MIPI_DSI_FMT_RGB888,
839 .lanes = 4,
840 .on_cmds = boe_himax8279d10p_on_cmds,
841 .on_cmds_num = 283,
842};
843
844static const struct of_device_id panel_of_match[] = {
845 {
846 .compatible = "boe,himax8279d8p",
847 .data = &boe_himax8279d8p_panel_desc,
848 },
849 {
850 .compatible = "boe,himax8279d10p",
851 .data = &boe_himax8279d10p_panel_desc,
852 },
853 {
854 /* sentinel */
855 }
856};
857MODULE_DEVICE_TABLE(of, panel_of_match);
858
859static int panel_add(struct panel_info *pinfo)
860{
861 struct device *dev = &pinfo->link->dev;
862 int ret;
863
864 pinfo->pp18_gpio = devm_gpiod_get(dev, "pp18", GPIOD_OUT_HIGH);
865 if (IS_ERR(pinfo->pp18_gpio)) {
866 ret = PTR_ERR(pinfo->pp18_gpio);
867 if (ret != -EPROBE_DEFER)
868 DRM_DEV_ERROR(dev, "failed to get pp18 gpio: %d\n",
869 ret);
870 return ret;
871 }
872
873 pinfo->pp33_gpio = devm_gpiod_get(dev, "pp33", GPIOD_OUT_HIGH);
874 if (IS_ERR(pinfo->pp33_gpio)) {
875 ret = PTR_ERR(pinfo->pp33_gpio);
876 if (ret != -EPROBE_DEFER)
877 DRM_DEV_ERROR(dev, "failed to get pp33 gpio: %d\n",
878 ret);
879 return ret;
880 }
881
882 pinfo->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
883 if (IS_ERR(pinfo->enable_gpio)) {
884 ret = PTR_ERR(pinfo->enable_gpio);
885 if (ret != -EPROBE_DEFER)
886 DRM_DEV_ERROR(dev, "failed to get enable gpio: %d\n",
887 ret);
888 return ret;
889 }
890
891 drm_panel_init(&pinfo->base, dev, &panel_funcs,
892 DRM_MODE_CONNECTOR_DSI);
893
894 ret = drm_panel_of_backlight(&pinfo->base);
895 if (ret)
896 return ret;
897
898 return drm_panel_add(&pinfo->base);
899}
900
901static int panel_probe(struct mipi_dsi_device *dsi)
902{
903 struct panel_info *pinfo;
904 const struct panel_desc *desc;
905 int err;
906
907 pinfo = devm_kzalloc(&dsi->dev, sizeof(*pinfo), GFP_KERNEL);
908 if (!pinfo)
909 return -ENOMEM;
910
911 desc = of_device_get_match_data(&dsi->dev);
912 dsi->mode_flags = desc->mode_flags;
913 dsi->format = desc->format;
914 dsi->lanes = desc->lanes;
915 pinfo->desc = desc;
916
917 pinfo->link = dsi;
918 mipi_dsi_set_drvdata(dsi, pinfo);
919
920 err = panel_add(pinfo);
921 if (err < 0)
922 return err;
923
924 err = mipi_dsi_attach(dsi);
925 if (err < 0)
926 drm_panel_remove(&pinfo->base);
927
928 return err;
929}
930
931static int panel_remove(struct mipi_dsi_device *dsi)
932{
933 struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
934 int err;
935
936 err = boe_panel_disable(&pinfo->base);
937 if (err < 0)
938 DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n",
939 err);
940
941 err = boe_panel_unprepare(&pinfo->base);
942 if (err < 0)
943 DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n",
944 err);
945
946 err = mipi_dsi_detach(dsi);
947 if (err < 0)
948 DRM_DEV_ERROR(&dsi->dev, "failed to detach from DSI host: %d\n",
949 err);
950
951 drm_panel_remove(&pinfo->base);
952
953 return 0;
954}
955
956static void panel_shutdown(struct mipi_dsi_device *dsi)
957{
958 struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
959
960 boe_panel_disable(&pinfo->base);
961 boe_panel_unprepare(&pinfo->base);
962}
963
964static struct mipi_dsi_driver panel_driver = {
965 .driver = {
966 .name = "panel-boe-himax8279d",
967 .of_match_table = panel_of_match,
968 },
969 .probe = panel_probe,
970 .remove = panel_remove,
971 .shutdown = panel_shutdown,
972};
973module_mipi_dsi_driver(panel_driver);
974
975MODULE_AUTHOR("Jerry Han <jerry.han.hq@gmail.com>");
976MODULE_DESCRIPTION("Boe Himax8279d driver");
977MODULE_LICENSE("GPL v2");