1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2019 Radxa Limited
4 * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
5 *
6 * Author:
7 * - Jagan Teki <jagan@amarulasolutions.com>
8 * - Stephen Chen <stephen@radxa.com>
9 */
10
11 #include <drm/drm_mipi_dsi.h>
12 #include <drm/drm_modes.h>
13 #include <drm/drm_panel.h>
14 #include <drm/drm_print.h>
15
16 #include <linux/gpio/consumer.h>
17 #include <linux/delay.h>
18 #include <linux/module.h>
19 #include <linux/of.h>
20 #include <linux/regulator/consumer.h>
21
22 #define JD9365DA_INIT_CMD_LEN 2
23
24 struct jadard_init_cmd {
25 u8 data[JD9365DA_INIT_CMD_LEN];
26 };
27
28 struct jadard_panel_desc {
29 const struct drm_display_mode mode;
30 unsigned int lanes;
31 enum mipi_dsi_pixel_format format;
32 const struct jadard_init_cmd *init_cmds;
33 u32 num_init_cmds;
34 };
35
36 struct jadard {
37 struct drm_panel panel;
38 struct mipi_dsi_device *dsi;
39 const struct jadard_panel_desc *desc;
40
41 struct regulator *vdd;
42 struct regulator *vccio;
43 struct gpio_desc *reset;
44 };
45
panel_to_jadard(struct drm_panel * panel)46 static inline struct jadard *panel_to_jadard(struct drm_panel *panel)
47 {
48 return container_of(panel, struct jadard, panel);
49 }
50
jadard_enable(struct drm_panel * panel)51 static int jadard_enable(struct drm_panel *panel)
52 {
53 struct device *dev = panel->dev;
54 struct jadard *jadard = panel_to_jadard(panel);
55 const struct jadard_panel_desc *desc = jadard->desc;
56 struct mipi_dsi_device *dsi = jadard->dsi;
57 unsigned int i;
58 int err;
59
60 msleep(10);
61
62 for (i = 0; i < desc->num_init_cmds; i++) {
63 const struct jadard_init_cmd *cmd = &desc->init_cmds[i];
64
65 err = mipi_dsi_dcs_write_buffer(dsi, cmd->data, JD9365DA_INIT_CMD_LEN);
66 if (err < 0)
67 return err;
68 }
69
70 msleep(120);
71
72 err = mipi_dsi_dcs_exit_sleep_mode(dsi);
73 if (err < 0)
74 DRM_DEV_ERROR(dev, "failed to exit sleep mode ret = %d\n", err);
75
76 err = mipi_dsi_dcs_set_display_on(dsi);
77 if (err < 0)
78 DRM_DEV_ERROR(dev, "failed to set display on ret = %d\n", err);
79
80 return 0;
81 }
82
jadard_disable(struct drm_panel * panel)83 static int jadard_disable(struct drm_panel *panel)
84 {
85 struct device *dev = panel->dev;
86 struct jadard *jadard = panel_to_jadard(panel);
87 int ret;
88
89 ret = mipi_dsi_dcs_set_display_off(jadard->dsi);
90 if (ret < 0)
91 DRM_DEV_ERROR(dev, "failed to set display off: %d\n", ret);
92
93 ret = mipi_dsi_dcs_enter_sleep_mode(jadard->dsi);
94 if (ret < 0)
95 DRM_DEV_ERROR(dev, "failed to enter sleep mode: %d\n", ret);
96
97 return 0;
98 }
99
jadard_prepare(struct drm_panel * panel)100 static int jadard_prepare(struct drm_panel *panel)
101 {
102 struct jadard *jadard = panel_to_jadard(panel);
103 int ret;
104
105 ret = regulator_enable(jadard->vccio);
106 if (ret)
107 return ret;
108
109 ret = regulator_enable(jadard->vdd);
110 if (ret)
111 return ret;
112
113 gpiod_set_value(jadard->reset, 1);
114 msleep(5);
115
116 gpiod_set_value(jadard->reset, 0);
117 msleep(10);
118
119 gpiod_set_value(jadard->reset, 1);
120 msleep(120);
121
122 return 0;
123 }
124
jadard_unprepare(struct drm_panel * panel)125 static int jadard_unprepare(struct drm_panel *panel)
126 {
127 struct jadard *jadard = panel_to_jadard(panel);
128
129 gpiod_set_value(jadard->reset, 1);
130 msleep(120);
131
132 regulator_disable(jadard->vdd);
133 regulator_disable(jadard->vccio);
134
135 return 0;
136 }
137
jadard_get_modes(struct drm_panel * panel,struct drm_connector * connector)138 static int jadard_get_modes(struct drm_panel *panel,
139 struct drm_connector *connector)
140 {
141 struct jadard *jadard = panel_to_jadard(panel);
142 const struct drm_display_mode *desc_mode = &jadard->desc->mode;
143 struct drm_display_mode *mode;
144
145 mode = drm_mode_duplicate(connector->dev, desc_mode);
146 if (!mode) {
147 DRM_DEV_ERROR(&jadard->dsi->dev, "failed to add mode %ux%ux@%u\n",
148 desc_mode->hdisplay, desc_mode->vdisplay,
149 drm_mode_vrefresh(desc_mode));
150 return -ENOMEM;
151 }
152
153 drm_mode_set_name(mode);
154 drm_mode_probed_add(connector, mode);
155
156 connector->display_info.width_mm = mode->width_mm;
157 connector->display_info.height_mm = mode->height_mm;
158
159 return 1;
160 }
161
162 static const struct drm_panel_funcs jadard_funcs = {
163 .disable = jadard_disable,
164 .unprepare = jadard_unprepare,
165 .prepare = jadard_prepare,
166 .enable = jadard_enable,
167 .get_modes = jadard_get_modes,
168 };
169
170 static const struct jadard_init_cmd radxa_display_8hd_ad002_init_cmds[] = {
171 { .data = { 0xE0, 0x00 } },
172 { .data = { 0xE1, 0x93 } },
173 { .data = { 0xE2, 0x65 } },
174 { .data = { 0xE3, 0xF8 } },
175 { .data = { 0x80, 0x03 } },
176 { .data = { 0xE0, 0x01 } },
177 { .data = { 0x00, 0x00 } },
178 { .data = { 0x01, 0x7E } },
179 { .data = { 0x03, 0x00 } },
180 { .data = { 0x04, 0x65 } },
181 { .data = { 0x0C, 0x74 } },
182 { .data = { 0x17, 0x00 } },
183 { .data = { 0x18, 0xB7 } },
184 { .data = { 0x19, 0x00 } },
185 { .data = { 0x1A, 0x00 } },
186 { .data = { 0x1B, 0xB7 } },
187 { .data = { 0x1C, 0x00 } },
188 { .data = { 0x24, 0xFE } },
189 { .data = { 0x37, 0x19 } },
190 { .data = { 0x38, 0x05 } },
191 { .data = { 0x39, 0x00 } },
192 { .data = { 0x3A, 0x01 } },
193 { .data = { 0x3B, 0x01 } },
194 { .data = { 0x3C, 0x70 } },
195 { .data = { 0x3D, 0xFF } },
196 { .data = { 0x3E, 0xFF } },
197 { .data = { 0x3F, 0xFF } },
198 { .data = { 0x40, 0x06 } },
199 { .data = { 0x41, 0xA0 } },
200 { .data = { 0x43, 0x1E } },
201 { .data = { 0x44, 0x0F } },
202 { .data = { 0x45, 0x28 } },
203 { .data = { 0x4B, 0x04 } },
204 { .data = { 0x55, 0x02 } },
205 { .data = { 0x56, 0x01 } },
206 { .data = { 0x57, 0xA9 } },
207 { .data = { 0x58, 0x0A } },
208 { .data = { 0x59, 0x0A } },
209 { .data = { 0x5A, 0x37 } },
210 { .data = { 0x5B, 0x19 } },
211 { .data = { 0x5D, 0x78 } },
212 { .data = { 0x5E, 0x63 } },
213 { .data = { 0x5F, 0x54 } },
214 { .data = { 0x60, 0x49 } },
215 { .data = { 0x61, 0x45 } },
216 { .data = { 0x62, 0x38 } },
217 { .data = { 0x63, 0x3D } },
218 { .data = { 0x64, 0x28 } },
219 { .data = { 0x65, 0x43 } },
220 { .data = { 0x66, 0x41 } },
221 { .data = { 0x67, 0x43 } },
222 { .data = { 0x68, 0x62 } },
223 { .data = { 0x69, 0x50 } },
224 { .data = { 0x6A, 0x57 } },
225 { .data = { 0x6B, 0x49 } },
226 { .data = { 0x6C, 0x44 } },
227 { .data = { 0x6D, 0x37 } },
228 { .data = { 0x6E, 0x23 } },
229 { .data = { 0x6F, 0x10 } },
230 { .data = { 0x70, 0x78 } },
231 { .data = { 0x71, 0x63 } },
232 { .data = { 0x72, 0x54 } },
233 { .data = { 0x73, 0x49 } },
234 { .data = { 0x74, 0x45 } },
235 { .data = { 0x75, 0x38 } },
236 { .data = { 0x76, 0x3D } },
237 { .data = { 0x77, 0x28 } },
238 { .data = { 0x78, 0x43 } },
239 { .data = { 0x79, 0x41 } },
240 { .data = { 0x7A, 0x43 } },
241 { .data = { 0x7B, 0x62 } },
242 { .data = { 0x7C, 0x50 } },
243 { .data = { 0x7D, 0x57 } },
244 { .data = { 0x7E, 0x49 } },
245 { .data = { 0x7F, 0x44 } },
246 { .data = { 0x80, 0x37 } },
247 { .data = { 0x81, 0x23 } },
248 { .data = { 0x82, 0x10 } },
249 { .data = { 0xE0, 0x02 } },
250 { .data = { 0x00, 0x47 } },
251 { .data = { 0x01, 0x47 } },
252 { .data = { 0x02, 0x45 } },
253 { .data = { 0x03, 0x45 } },
254 { .data = { 0x04, 0x4B } },
255 { .data = { 0x05, 0x4B } },
256 { .data = { 0x06, 0x49 } },
257 { .data = { 0x07, 0x49 } },
258 { .data = { 0x08, 0x41 } },
259 { .data = { 0x09, 0x1F } },
260 { .data = { 0x0A, 0x1F } },
261 { .data = { 0x0B, 0x1F } },
262 { .data = { 0x0C, 0x1F } },
263 { .data = { 0x0D, 0x1F } },
264 { .data = { 0x0E, 0x1F } },
265 { .data = { 0x0F, 0x5F } },
266 { .data = { 0x10, 0x5F } },
267 { .data = { 0x11, 0x57 } },
268 { .data = { 0x12, 0x77 } },
269 { .data = { 0x13, 0x35 } },
270 { .data = { 0x14, 0x1F } },
271 { .data = { 0x15, 0x1F } },
272 { .data = { 0x16, 0x46 } },
273 { .data = { 0x17, 0x46 } },
274 { .data = { 0x18, 0x44 } },
275 { .data = { 0x19, 0x44 } },
276 { .data = { 0x1A, 0x4A } },
277 { .data = { 0x1B, 0x4A } },
278 { .data = { 0x1C, 0x48 } },
279 { .data = { 0x1D, 0x48 } },
280 { .data = { 0x1E, 0x40 } },
281 { .data = { 0x1F, 0x1F } },
282 { .data = { 0x20, 0x1F } },
283 { .data = { 0x21, 0x1F } },
284 { .data = { 0x22, 0x1F } },
285 { .data = { 0x23, 0x1F } },
286 { .data = { 0x24, 0x1F } },
287 { .data = { 0x25, 0x5F } },
288 { .data = { 0x26, 0x5F } },
289 { .data = { 0x27, 0x57 } },
290 { .data = { 0x28, 0x77 } },
291 { .data = { 0x29, 0x35 } },
292 { .data = { 0x2A, 0x1F } },
293 { .data = { 0x2B, 0x1F } },
294 { .data = { 0x58, 0x40 } },
295 { .data = { 0x59, 0x00 } },
296 { .data = { 0x5A, 0x00 } },
297 { .data = { 0x5B, 0x10 } },
298 { .data = { 0x5C, 0x06 } },
299 { .data = { 0x5D, 0x40 } },
300 { .data = { 0x5E, 0x01 } },
301 { .data = { 0x5F, 0x02 } },
302 { .data = { 0x60, 0x30 } },
303 { .data = { 0x61, 0x01 } },
304 { .data = { 0x62, 0x02 } },
305 { .data = { 0x63, 0x03 } },
306 { .data = { 0x64, 0x6B } },
307 { .data = { 0x65, 0x05 } },
308 { .data = { 0x66, 0x0C } },
309 { .data = { 0x67, 0x73 } },
310 { .data = { 0x68, 0x09 } },
311 { .data = { 0x69, 0x03 } },
312 { .data = { 0x6A, 0x56 } },
313 { .data = { 0x6B, 0x08 } },
314 { .data = { 0x6C, 0x00 } },
315 { .data = { 0x6D, 0x04 } },
316 { .data = { 0x6E, 0x04 } },
317 { .data = { 0x6F, 0x88 } },
318 { .data = { 0x70, 0x00 } },
319 { .data = { 0x71, 0x00 } },
320 { .data = { 0x72, 0x06 } },
321 { .data = { 0x73, 0x7B } },
322 { .data = { 0x74, 0x00 } },
323 { .data = { 0x75, 0xF8 } },
324 { .data = { 0x76, 0x00 } },
325 { .data = { 0x77, 0xD5 } },
326 { .data = { 0x78, 0x2E } },
327 { .data = { 0x79, 0x12 } },
328 { .data = { 0x7A, 0x03 } },
329 { .data = { 0x7B, 0x00 } },
330 { .data = { 0x7C, 0x00 } },
331 { .data = { 0x7D, 0x03 } },
332 { .data = { 0x7E, 0x7B } },
333 { .data = { 0xE0, 0x04 } },
334 { .data = { 0x00, 0x0E } },
335 { .data = { 0x02, 0xB3 } },
336 { .data = { 0x09, 0x60 } },
337 { .data = { 0x0E, 0x2A } },
338 { .data = { 0x36, 0x59 } },
339 { .data = { 0xE0, 0x00 } },
340 };
341
342 static const struct jadard_panel_desc radxa_display_8hd_ad002_desc = {
343 .mode = {
344 .clock = 70000,
345
346 .hdisplay = 800,
347 .hsync_start = 800 + 40,
348 .hsync_end = 800 + 40 + 18,
349 .htotal = 800 + 40 + 18 + 20,
350
351 .vdisplay = 1280,
352 .vsync_start = 1280 + 20,
353 .vsync_end = 1280 + 20 + 4,
354 .vtotal = 1280 + 20 + 4 + 20,
355
356 .width_mm = 127,
357 .height_mm = 199,
358 .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
359 },
360 .lanes = 4,
361 .format = MIPI_DSI_FMT_RGB888,
362 .init_cmds = radxa_display_8hd_ad002_init_cmds,
363 .num_init_cmds = ARRAY_SIZE(radxa_display_8hd_ad002_init_cmds),
364 };
365
366 static const struct jadard_init_cmd cz101b4001_init_cmds[] = {
367 { .data = { 0xE0, 0x00 } },
368 { .data = { 0xE1, 0x93 } },
369 { .data = { 0xE2, 0x65 } },
370 { .data = { 0xE3, 0xF8 } },
371 { .data = { 0x80, 0x03 } },
372 { .data = { 0xE0, 0x01 } },
373 { .data = { 0x00, 0x00 } },
374 { .data = { 0x01, 0x3B } },
375 { .data = { 0x0C, 0x74 } },
376 { .data = { 0x17, 0x00 } },
377 { .data = { 0x18, 0xAF } },
378 { .data = { 0x19, 0x00 } },
379 { .data = { 0x1A, 0x00 } },
380 { .data = { 0x1B, 0xAF } },
381 { .data = { 0x1C, 0x00 } },
382 { .data = { 0x35, 0x26 } },
383 { .data = { 0x37, 0x09 } },
384 { .data = { 0x38, 0x04 } },
385 { .data = { 0x39, 0x00 } },
386 { .data = { 0x3A, 0x01 } },
387 { .data = { 0x3C, 0x78 } },
388 { .data = { 0x3D, 0xFF } },
389 { .data = { 0x3E, 0xFF } },
390 { .data = { 0x3F, 0x7F } },
391 { .data = { 0x40, 0x06 } },
392 { .data = { 0x41, 0xA0 } },
393 { .data = { 0x42, 0x81 } },
394 { .data = { 0x43, 0x14 } },
395 { .data = { 0x44, 0x23 } },
396 { .data = { 0x45, 0x28 } },
397 { .data = { 0x55, 0x02 } },
398 { .data = { 0x57, 0x69 } },
399 { .data = { 0x59, 0x0A } },
400 { .data = { 0x5A, 0x2A } },
401 { .data = { 0x5B, 0x17 } },
402 { .data = { 0x5D, 0x7F } },
403 { .data = { 0x5E, 0x6B } },
404 { .data = { 0x5F, 0x5C } },
405 { .data = { 0x60, 0x4F } },
406 { .data = { 0x61, 0x4D } },
407 { .data = { 0x62, 0x3F } },
408 { .data = { 0x63, 0x42 } },
409 { .data = { 0x64, 0x2B } },
410 { .data = { 0x65, 0x44 } },
411 { .data = { 0x66, 0x43 } },
412 { .data = { 0x67, 0x43 } },
413 { .data = { 0x68, 0x63 } },
414 { .data = { 0x69, 0x52 } },
415 { .data = { 0x6A, 0x5A } },
416 { .data = { 0x6B, 0x4F } },
417 { .data = { 0x6C, 0x4E } },
418 { .data = { 0x6D, 0x20 } },
419 { .data = { 0x6E, 0x0F } },
420 { .data = { 0x6F, 0x00 } },
421 { .data = { 0x70, 0x7F } },
422 { .data = { 0x71, 0x6B } },
423 { .data = { 0x72, 0x5C } },
424 { .data = { 0x73, 0x4F } },
425 { .data = { 0x74, 0x4D } },
426 { .data = { 0x75, 0x3F } },
427 { .data = { 0x76, 0x42 } },
428 { .data = { 0x77, 0x2B } },
429 { .data = { 0x78, 0x44 } },
430 { .data = { 0x79, 0x43 } },
431 { .data = { 0x7A, 0x43 } },
432 { .data = { 0x7B, 0x63 } },
433 { .data = { 0x7C, 0x52 } },
434 { .data = { 0x7D, 0x5A } },
435 { .data = { 0x7E, 0x4F } },
436 { .data = { 0x7F, 0x4E } },
437 { .data = { 0x80, 0x20 } },
438 { .data = { 0x81, 0x0F } },
439 { .data = { 0x82, 0x00 } },
440 { .data = { 0xE0, 0x02 } },
441 { .data = { 0x00, 0x02 } },
442 { .data = { 0x01, 0x02 } },
443 { .data = { 0x02, 0x00 } },
444 { .data = { 0x03, 0x00 } },
445 { .data = { 0x04, 0x1E } },
446 { .data = { 0x05, 0x1E } },
447 { .data = { 0x06, 0x1F } },
448 { .data = { 0x07, 0x1F } },
449 { .data = { 0x08, 0x1F } },
450 { .data = { 0x09, 0x17 } },
451 { .data = { 0x0A, 0x17 } },
452 { .data = { 0x0B, 0x37 } },
453 { .data = { 0x0C, 0x37 } },
454 { .data = { 0x0D, 0x47 } },
455 { .data = { 0x0E, 0x47 } },
456 { .data = { 0x0F, 0x45 } },
457 { .data = { 0x10, 0x45 } },
458 { .data = { 0x11, 0x4B } },
459 { .data = { 0x12, 0x4B } },
460 { .data = { 0x13, 0x49 } },
461 { .data = { 0x14, 0x49 } },
462 { .data = { 0x15, 0x1F } },
463 { .data = { 0x16, 0x01 } },
464 { .data = { 0x17, 0x01 } },
465 { .data = { 0x18, 0x00 } },
466 { .data = { 0x19, 0x00 } },
467 { .data = { 0x1A, 0x1E } },
468 { .data = { 0x1B, 0x1E } },
469 { .data = { 0x1C, 0x1F } },
470 { .data = { 0x1D, 0x1F } },
471 { .data = { 0x1E, 0x1F } },
472 { .data = { 0x1F, 0x17 } },
473 { .data = { 0x20, 0x17 } },
474 { .data = { 0x21, 0x37 } },
475 { .data = { 0x22, 0x37 } },
476 { .data = { 0x23, 0x46 } },
477 { .data = { 0x24, 0x46 } },
478 { .data = { 0x25, 0x44 } },
479 { .data = { 0x26, 0x44 } },
480 { .data = { 0x27, 0x4A } },
481 { .data = { 0x28, 0x4A } },
482 { .data = { 0x29, 0x48 } },
483 { .data = { 0x2A, 0x48 } },
484 { .data = { 0x2B, 0x1F } },
485 { .data = { 0x2C, 0x01 } },
486 { .data = { 0x2D, 0x01 } },
487 { .data = { 0x2E, 0x00 } },
488 { .data = { 0x2F, 0x00 } },
489 { .data = { 0x30, 0x1F } },
490 { .data = { 0x31, 0x1F } },
491 { .data = { 0x32, 0x1E } },
492 { .data = { 0x33, 0x1E } },
493 { .data = { 0x34, 0x1F } },
494 { .data = { 0x35, 0x17 } },
495 { .data = { 0x36, 0x17 } },
496 { .data = { 0x37, 0x37 } },
497 { .data = { 0x38, 0x37 } },
498 { .data = { 0x39, 0x08 } },
499 { .data = { 0x3A, 0x08 } },
500 { .data = { 0x3B, 0x0A } },
501 { .data = { 0x3C, 0x0A } },
502 { .data = { 0x3D, 0x04 } },
503 { .data = { 0x3E, 0x04 } },
504 { .data = { 0x3F, 0x06 } },
505 { .data = { 0x40, 0x06 } },
506 { .data = { 0x41, 0x1F } },
507 { .data = { 0x42, 0x02 } },
508 { .data = { 0x43, 0x02 } },
509 { .data = { 0x44, 0x00 } },
510 { .data = { 0x45, 0x00 } },
511 { .data = { 0x46, 0x1F } },
512 { .data = { 0x47, 0x1F } },
513 { .data = { 0x48, 0x1E } },
514 { .data = { 0x49, 0x1E } },
515 { .data = { 0x4A, 0x1F } },
516 { .data = { 0x4B, 0x17 } },
517 { .data = { 0x4C, 0x17 } },
518 { .data = { 0x4D, 0x37 } },
519 { .data = { 0x4E, 0x37 } },
520 { .data = { 0x4F, 0x09 } },
521 { .data = { 0x50, 0x09 } },
522 { .data = { 0x51, 0x0B } },
523 { .data = { 0x52, 0x0B } },
524 { .data = { 0x53, 0x05 } },
525 { .data = { 0x54, 0x05 } },
526 { .data = { 0x55, 0x07 } },
527 { .data = { 0x56, 0x07 } },
528 { .data = { 0x57, 0x1F } },
529 { .data = { 0x58, 0x40 } },
530 { .data = { 0x5B, 0x30 } },
531 { .data = { 0x5C, 0x16 } },
532 { .data = { 0x5D, 0x34 } },
533 { .data = { 0x5E, 0x05 } },
534 { .data = { 0x5F, 0x02 } },
535 { .data = { 0x63, 0x00 } },
536 { .data = { 0x64, 0x6A } },
537 { .data = { 0x67, 0x73 } },
538 { .data = { 0x68, 0x1D } },
539 { .data = { 0x69, 0x08 } },
540 { .data = { 0x6A, 0x6A } },
541 { .data = { 0x6B, 0x08 } },
542 { .data = { 0x6C, 0x00 } },
543 { .data = { 0x6D, 0x00 } },
544 { .data = { 0x6E, 0x00 } },
545 { .data = { 0x6F, 0x88 } },
546 { .data = { 0x75, 0xFF } },
547 { .data = { 0x77, 0xDD } },
548 { .data = { 0x78, 0x3F } },
549 { .data = { 0x79, 0x15 } },
550 { .data = { 0x7A, 0x17 } },
551 { .data = { 0x7D, 0x14 } },
552 { .data = { 0x7E, 0x82 } },
553 { .data = { 0xE0, 0x04 } },
554 { .data = { 0x00, 0x0E } },
555 { .data = { 0x02, 0xB3 } },
556 { .data = { 0x09, 0x61 } },
557 { .data = { 0x0E, 0x48 } },
558 { .data = { 0xE0, 0x00 } },
559 { .data = { 0xE6, 0x02 } },
560 { .data = { 0xE7, 0x0C } },
561 };
562
563 static const struct jadard_panel_desc cz101b4001_desc = {
564 .mode = {
565 .clock = 70000,
566
567 .hdisplay = 800,
568 .hsync_start = 800 + 40,
569 .hsync_end = 800 + 40 + 18,
570 .htotal = 800 + 40 + 18 + 20,
571
572 .vdisplay = 1280,
573 .vsync_start = 1280 + 20,
574 .vsync_end = 1280 + 20 + 4,
575 .vtotal = 1280 + 20 + 4 + 20,
576
577 .width_mm = 62,
578 .height_mm = 110,
579 .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
580 },
581 .lanes = 4,
582 .format = MIPI_DSI_FMT_RGB888,
583 .init_cmds = cz101b4001_init_cmds,
584 .num_init_cmds = ARRAY_SIZE(cz101b4001_init_cmds),
585 };
586
jadard_dsi_probe(struct mipi_dsi_device * dsi)587 static int jadard_dsi_probe(struct mipi_dsi_device *dsi)
588 {
589 struct device *dev = &dsi->dev;
590 const struct jadard_panel_desc *desc;
591 struct jadard *jadard;
592 int ret;
593
594 jadard = devm_kzalloc(&dsi->dev, sizeof(*jadard), GFP_KERNEL);
595 if (!jadard)
596 return -ENOMEM;
597
598 desc = of_device_get_match_data(dev);
599 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
600 MIPI_DSI_MODE_NO_EOT_PACKET;
601 dsi->format = desc->format;
602 dsi->lanes = desc->lanes;
603
604 jadard->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
605 if (IS_ERR(jadard->reset)) {
606 DRM_DEV_ERROR(&dsi->dev, "failed to get our reset GPIO\n");
607 return PTR_ERR(jadard->reset);
608 }
609
610 jadard->vdd = devm_regulator_get(dev, "vdd");
611 if (IS_ERR(jadard->vdd)) {
612 DRM_DEV_ERROR(&dsi->dev, "failed to get vdd regulator\n");
613 return PTR_ERR(jadard->vdd);
614 }
615
616 jadard->vccio = devm_regulator_get(dev, "vccio");
617 if (IS_ERR(jadard->vccio)) {
618 DRM_DEV_ERROR(&dsi->dev, "failed to get vccio regulator\n");
619 return PTR_ERR(jadard->vccio);
620 }
621
622 drm_panel_init(&jadard->panel, dev, &jadard_funcs,
623 DRM_MODE_CONNECTOR_DSI);
624
625 ret = drm_panel_of_backlight(&jadard->panel);
626 if (ret)
627 return ret;
628
629 drm_panel_add(&jadard->panel);
630
631 mipi_dsi_set_drvdata(dsi, jadard);
632 jadard->dsi = dsi;
633 jadard->desc = desc;
634
635 ret = mipi_dsi_attach(dsi);
636 if (ret < 0)
637 drm_panel_remove(&jadard->panel);
638
639 return ret;
640 }
641
jadard_dsi_remove(struct mipi_dsi_device * dsi)642 static void jadard_dsi_remove(struct mipi_dsi_device *dsi)
643 {
644 struct jadard *jadard = mipi_dsi_get_drvdata(dsi);
645
646 mipi_dsi_detach(dsi);
647 drm_panel_remove(&jadard->panel);
648 }
649
650 static const struct of_device_id jadard_of_match[] = {
651 {
652 .compatible = "chongzhou,cz101b4001",
653 .data = &cz101b4001_desc
654 },
655 {
656 .compatible = "radxa,display-10hd-ad001",
657 .data = &cz101b4001_desc
658 },
659 {
660 .compatible = "radxa,display-8hd-ad002",
661 .data = &radxa_display_8hd_ad002_desc
662 },
663 { /* sentinel */ }
664 };
665 MODULE_DEVICE_TABLE(of, jadard_of_match);
666
667 static struct mipi_dsi_driver jadard_driver = {
668 .probe = jadard_dsi_probe,
669 .remove = jadard_dsi_remove,
670 .driver = {
671 .name = "jadard-jd9365da",
672 .of_match_table = jadard_of_match,
673 },
674 };
675 module_mipi_dsi_driver(jadard_driver);
676
677 MODULE_AUTHOR("Jagan Teki <jagan@edgeble.ai>");
678 MODULE_AUTHOR("Stephen Chen <stephen@radxa.com>");
679 MODULE_DESCRIPTION("Jadard JD9365DA-H3 WXGA DSI panel");
680 MODULE_LICENSE("GPL");
681
