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