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