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 26 struct panel_cmd { 27 char cmd; 28 char data; 29 }; 30 31 struct 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 44 struct 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 57 static inline struct panel_info *to_panel_info(struct drm_panel *panel) 58 { 59 return container_of(panel, struct panel_info, base); 60 } 61 62 static 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 69 static 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 86 static 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 } 105 106 static 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 } 133 134 static 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; 194 195 poweroff: 196 disable_gpios(pinfo); 197 return err; 198 } 199 200 static 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 } 221 222 static 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, m->vrefresh); 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 } 246 247 static 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 }; 254 255 static 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 .vrefresh = 60, 266 }; 267 268 /* 8 inch */ 269 static const struct panel_cmd boe_himax8279d8p_on_cmds[] = { 270 { 0xB0, 0x05 }, 271 { 0xB1, 0xE5 }, 272 { 0xB3, 0x52 }, 273 { 0xC0, 0x00 }, 274 { 0xC2, 0x57 }, 275 { 0xD9, 0x85 }, 276 { 0xB0, 0x01 }, 277 { 0xC8, 0x00 }, 278 { 0xC9, 0x00 }, 279 { 0xCC, 0x26 }, 280 { 0xCD, 0x26 }, 281 { 0xDC, 0x00 }, 282 { 0xDD, 0x00 }, 283 { 0xE0, 0x26 }, 284 { 0xE1, 0x26 }, 285 { 0xB0, 0x03 }, 286 { 0xC3, 0x2A }, 287 { 0xE7, 0x2A }, 288 { 0xC5, 0x2A }, 289 { 0xDE, 0x2A }, 290 { 0xBC, 0x02 }, 291 { 0xCB, 0x02 }, 292 { 0xB0, 0x00 }, 293 { 0xB6, 0x03 }, 294 { 0xBA, 0x8B }, 295 { 0xBF, 0x15 }, 296 { 0xC0, 0x18 }, 297 { 0xC2, 0x14 }, 298 { 0xC3, 0x02 }, 299 { 0xC4, 0x14 }, 300 { 0xC5, 0x02 }, 301 { 0xCC, 0x0A }, 302 { 0xB0, 0x06 }, 303 { 0xC0, 0xA5 }, 304 { 0xD5, 0x20 }, 305 { 0xC0, 0x00 }, 306 { 0xB0, 0x02 }, 307 { 0xC0, 0x00 }, 308 { 0xC1, 0x02 }, 309 { 0xC2, 0x06 }, 310 { 0xC3, 0x16 }, 311 { 0xC4, 0x0E }, 312 { 0xC5, 0x18 }, 313 { 0xC6, 0x26 }, 314 { 0xC7, 0x32 }, 315 { 0xC8, 0x3F }, 316 { 0xC9, 0x3F }, 317 { 0xCA, 0x3F }, 318 { 0xCB, 0x3F }, 319 { 0xCC, 0x3D }, 320 { 0xCD, 0x2F }, 321 { 0xCE, 0x2F }, 322 { 0xCF, 0x2F }, 323 { 0xD0, 0x07 }, 324 { 0xD2, 0x00 }, 325 { 0xD3, 0x02 }, 326 { 0xD4, 0x06 }, 327 { 0xD5, 0x12 }, 328 { 0xD6, 0x0A }, 329 { 0xD7, 0x14 }, 330 { 0xD8, 0x22 }, 331 { 0xD9, 0x2E }, 332 { 0xDA, 0x3D }, 333 { 0xDB, 0x3F }, 334 { 0xDC, 0x3F }, 335 { 0xDD, 0x3F }, 336 { 0xDE, 0x3D }, 337 { 0xDF, 0x2F }, 338 { 0xE0, 0x2F }, 339 { 0xE1, 0x2F }, 340 { 0xE2, 0x07 }, 341 { 0xB0, 0x07 }, 342 { 0xB1, 0x18 }, 343 { 0xB2, 0x19 }, 344 { 0xB3, 0x2E }, 345 { 0xB4, 0x52 }, 346 { 0xB5, 0x72 }, 347 { 0xB6, 0x8C }, 348 { 0xB7, 0xBD }, 349 { 0xB8, 0xEB }, 350 { 0xB9, 0x47 }, 351 { 0xBA, 0x96 }, 352 { 0xBB, 0x1E }, 353 { 0xBC, 0x90 }, 354 { 0xBD, 0x93 }, 355 { 0xBE, 0xFA }, 356 { 0xBF, 0x56 }, 357 { 0xC0, 0x8C }, 358 { 0xC1, 0xB7 }, 359 { 0xC2, 0xCC }, 360 { 0xC3, 0xDF }, 361 { 0xC4, 0xE8 }, 362 { 0xC5, 0xF0 }, 363 { 0xC6, 0xF8 }, 364 { 0xC7, 0xFA }, 365 { 0xC8, 0xFC }, 366 { 0xC9, 0x00 }, 367 { 0xCA, 0x00 }, 368 { 0xCB, 0x5A }, 369 { 0xCC, 0xAF }, 370 { 0xCD, 0xFF }, 371 { 0xCE, 0xFF }, 372 { 0xB0, 0x08 }, 373 { 0xB1, 0x04 }, 374 { 0xB2, 0x15 }, 375 { 0xB3, 0x2D }, 376 { 0xB4, 0x51 }, 377 { 0xB5, 0x72 }, 378 { 0xB6, 0x8D }, 379 { 0xB7, 0xBE }, 380 { 0xB8, 0xED }, 381 { 0xB9, 0x4A }, 382 { 0xBA, 0x9A }, 383 { 0xBB, 0x23 }, 384 { 0xBC, 0x95 }, 385 { 0xBD, 0x98 }, 386 { 0xBE, 0xFF }, 387 { 0xBF, 0x59 }, 388 { 0xC0, 0x8E }, 389 { 0xC1, 0xB9 }, 390 { 0xC2, 0xCD }, 391 { 0xC3, 0xDF }, 392 { 0xC4, 0xE8 }, 393 { 0xC5, 0xF0 }, 394 { 0xC6, 0xF8 }, 395 { 0xC7, 0xFA }, 396 { 0xC8, 0xFC }, 397 { 0xC9, 0x00 }, 398 { 0xCA, 0x00 }, 399 { 0xCB, 0x5A }, 400 { 0xCC, 0xAF }, 401 { 0xCD, 0xFF }, 402 { 0xCE, 0xFF }, 403 { 0xB0, 0x09 }, 404 { 0xB1, 0x04 }, 405 { 0xB2, 0x2C }, 406 { 0xB3, 0x36 }, 407 { 0xB4, 0x53 }, 408 { 0xB5, 0x73 }, 409 { 0xB6, 0x8E }, 410 { 0xB7, 0xC0 }, 411 { 0xB8, 0xEF }, 412 { 0xB9, 0x4C }, 413 { 0xBA, 0x9D }, 414 { 0xBB, 0x25 }, 415 { 0xBC, 0x96 }, 416 { 0xBD, 0x9A }, 417 { 0xBE, 0x01 }, 418 { 0xBF, 0x59 }, 419 { 0xC0, 0x8E }, 420 { 0xC1, 0xB9 }, 421 { 0xC2, 0xCD }, 422 { 0xC3, 0xDF }, 423 { 0xC4, 0xE8 }, 424 { 0xC5, 0xF0 }, 425 { 0xC6, 0xF8 }, 426 { 0xC7, 0xFA }, 427 { 0xC8, 0xFC }, 428 { 0xC9, 0x00 }, 429 { 0xCA, 0x00 }, 430 { 0xCB, 0x5A }, 431 { 0xCC, 0xBF }, 432 { 0xCD, 0xFF }, 433 { 0xCE, 0xFF }, 434 { 0xB0, 0x0A }, 435 { 0xB1, 0x18 }, 436 { 0xB2, 0x19 }, 437 { 0xB3, 0x2E }, 438 { 0xB4, 0x52 }, 439 { 0xB5, 0x72 }, 440 { 0xB6, 0x8C }, 441 { 0xB7, 0xBD }, 442 { 0xB8, 0xEB }, 443 { 0xB9, 0x47 }, 444 { 0xBA, 0x96 }, 445 { 0xBB, 0x1E }, 446 { 0xBC, 0x90 }, 447 { 0xBD, 0x93 }, 448 { 0xBE, 0xFA }, 449 { 0xBF, 0x56 }, 450 { 0xC0, 0x8C }, 451 { 0xC1, 0xB7 }, 452 { 0xC2, 0xCC }, 453 { 0xC3, 0xDF }, 454 { 0xC4, 0xE8 }, 455 { 0xC5, 0xF0 }, 456 { 0xC6, 0xF8 }, 457 { 0xC7, 0xFA }, 458 { 0xC8, 0xFC }, 459 { 0xC9, 0x00 }, 460 { 0xCA, 0x00 }, 461 { 0xCB, 0x5A }, 462 { 0xCC, 0xAF }, 463 { 0xCD, 0xFF }, 464 { 0xCE, 0xFF }, 465 { 0xB0, 0x0B }, 466 { 0xB1, 0x04 }, 467 { 0xB2, 0x15 }, 468 { 0xB3, 0x2D }, 469 { 0xB4, 0x51 }, 470 { 0xB5, 0x72 }, 471 { 0xB6, 0x8D }, 472 { 0xB7, 0xBE }, 473 { 0xB8, 0xED }, 474 { 0xB9, 0x4A }, 475 { 0xBA, 0x9A }, 476 { 0xBB, 0x23 }, 477 { 0xBC, 0x95 }, 478 { 0xBD, 0x98 }, 479 { 0xBE, 0xFF }, 480 { 0xBF, 0x59 }, 481 { 0xC0, 0x8E }, 482 { 0xC1, 0xB9 }, 483 { 0xC2, 0xCD }, 484 { 0xC3, 0xDF }, 485 { 0xC4, 0xE8 }, 486 { 0xC5, 0xF0 }, 487 { 0xC6, 0xF8 }, 488 { 0xC7, 0xFA }, 489 { 0xC8, 0xFC }, 490 { 0xC9, 0x00 }, 491 { 0xCA, 0x00 }, 492 { 0xCB, 0x5A }, 493 { 0xCC, 0xAF }, 494 { 0xCD, 0xFF }, 495 { 0xCE, 0xFF }, 496 { 0xB0, 0x0C }, 497 { 0xB1, 0x04 }, 498 { 0xB2, 0x2C }, 499 { 0xB3, 0x36 }, 500 { 0xB4, 0x53 }, 501 { 0xB5, 0x73 }, 502 { 0xB6, 0x8E }, 503 { 0xB7, 0xC0 }, 504 { 0xB8, 0xEF }, 505 { 0xB9, 0x4C }, 506 { 0xBA, 0x9D }, 507 { 0xBB, 0x25 }, 508 { 0xBC, 0x96 }, 509 { 0xBD, 0x9A }, 510 { 0xBE, 0x01 }, 511 { 0xBF, 0x59 }, 512 { 0xC0, 0x8E }, 513 { 0xC1, 0xB9 }, 514 { 0xC2, 0xCD }, 515 { 0xC3, 0xDF }, 516 { 0xC4, 0xE8 }, 517 { 0xC5, 0xF0 }, 518 { 0xC6, 0xF8 }, 519 { 0xC7, 0xFA }, 520 { 0xC8, 0xFC }, 521 { 0xC9, 0x00 }, 522 { 0xCA, 0x00 }, 523 { 0xCB, 0x5A }, 524 { 0xCC, 0xBF }, 525 { 0xCD, 0xFF }, 526 { 0xCE, 0xFF }, 527 { 0xB0, 0x04 }, 528 { 0xB5, 0x02 }, 529 { 0xB6, 0x01 }, 530 }; 531 532 static const struct panel_desc boe_himax8279d8p_panel_desc = { 533 .display_mode = &default_display_mode, 534 .bpc = 8, 535 .width_mm = 107, 536 .height_mm = 172, 537 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | 538 MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM, 539 .format = MIPI_DSI_FMT_RGB888, 540 .lanes = 4, 541 .on_cmds = boe_himax8279d8p_on_cmds, 542 .on_cmds_num = 260, 543 }; 544 545 /* 10 inch */ 546 static const struct panel_cmd boe_himax8279d10p_on_cmds[] = { 547 { 0xB0, 0x05 }, 548 { 0xB1, 0xE5 }, 549 { 0xB3, 0x52 }, 550 { 0xB0, 0x00 }, 551 { 0xB6, 0x03 }, 552 { 0xBA, 0x8B }, 553 { 0xBF, 0x1A }, 554 { 0xC0, 0x0F }, 555 { 0xC2, 0x0C }, 556 { 0xC3, 0x02 }, 557 { 0xC4, 0x0C }, 558 { 0xC5, 0x02 }, 559 { 0xB0, 0x01 }, 560 { 0xE0, 0x26 }, 561 { 0xE1, 0x26 }, 562 { 0xDC, 0x00 }, 563 { 0xDD, 0x00 }, 564 { 0xCC, 0x26 }, 565 { 0xCD, 0x26 }, 566 { 0xC8, 0x00 }, 567 { 0xC9, 0x00 }, 568 { 0xD2, 0x03 }, 569 { 0xD3, 0x03 }, 570 { 0xE6, 0x04 }, 571 { 0xE7, 0x04 }, 572 { 0xC4, 0x09 }, 573 { 0xC5, 0x09 }, 574 { 0xD8, 0x0A }, 575 { 0xD9, 0x0A }, 576 { 0xC2, 0x0B }, 577 { 0xC3, 0x0B }, 578 { 0xD6, 0x0C }, 579 { 0xD7, 0x0C }, 580 { 0xC0, 0x05 }, 581 { 0xC1, 0x05 }, 582 { 0xD4, 0x06 }, 583 { 0xD5, 0x06 }, 584 { 0xCA, 0x07 }, 585 { 0xCB, 0x07 }, 586 { 0xDE, 0x08 }, 587 { 0xDF, 0x08 }, 588 { 0xB0, 0x02 }, 589 { 0xC0, 0x00 }, 590 { 0xC1, 0x0D }, 591 { 0xC2, 0x17 }, 592 { 0xC3, 0x26 }, 593 { 0xC4, 0x31 }, 594 { 0xC5, 0x1C }, 595 { 0xC6, 0x2C }, 596 { 0xC7, 0x33 }, 597 { 0xC8, 0x31 }, 598 { 0xC9, 0x37 }, 599 { 0xCA, 0x37 }, 600 { 0xCB, 0x37 }, 601 { 0xCC, 0x39 }, 602 { 0xCD, 0x2E }, 603 { 0xCE, 0x2F }, 604 { 0xCF, 0x2F }, 605 { 0xD0, 0x07 }, 606 { 0xD2, 0x00 }, 607 { 0xD3, 0x0D }, 608 { 0xD4, 0x17 }, 609 { 0xD5, 0x26 }, 610 { 0xD6, 0x31 }, 611 { 0xD7, 0x3F }, 612 { 0xD8, 0x3F }, 613 { 0xD9, 0x3F }, 614 { 0xDA, 0x3F }, 615 { 0xDB, 0x37 }, 616 { 0xDC, 0x37 }, 617 { 0xDD, 0x37 }, 618 { 0xDE, 0x39 }, 619 { 0xDF, 0x2E }, 620 { 0xE0, 0x2F }, 621 { 0xE1, 0x2F }, 622 { 0xE2, 0x07 }, 623 { 0xB0, 0x03 }, 624 { 0xC8, 0x0B }, 625 { 0xC9, 0x07 }, 626 { 0xC3, 0x00 }, 627 { 0xE7, 0x00 }, 628 { 0xC5, 0x2A }, 629 { 0xDE, 0x2A }, 630 { 0xCA, 0x43 }, 631 { 0xC9, 0x07 }, 632 { 0xE4, 0xC0 }, 633 { 0xE5, 0x0D }, 634 { 0xCB, 0x01 }, 635 { 0xBC, 0x01 }, 636 { 0xB0, 0x06 }, 637 { 0xB8, 0xA5 }, 638 { 0xC0, 0xA5 }, 639 { 0xC7, 0x0F }, 640 { 0xD5, 0x32 }, 641 { 0xB8, 0x00 }, 642 { 0xC0, 0x00 }, 643 { 0xBC, 0x00 }, 644 { 0xB0, 0x07 }, 645 { 0xB1, 0x00 }, 646 { 0xB2, 0x05 }, 647 { 0xB3, 0x10 }, 648 { 0xB4, 0x22 }, 649 { 0xB5, 0x36 }, 650 { 0xB6, 0x4A }, 651 { 0xB7, 0x6C }, 652 { 0xB8, 0x9A }, 653 { 0xB9, 0xD7 }, 654 { 0xBA, 0x17 }, 655 { 0xBB, 0x92 }, 656 { 0xBC, 0x15 }, 657 { 0xBD, 0x18 }, 658 { 0xBE, 0x8C }, 659 { 0xBF, 0x00 }, 660 { 0xC0, 0x3A }, 661 { 0xC1, 0x72 }, 662 { 0xC2, 0x8C }, 663 { 0xC3, 0xA5 }, 664 { 0xC4, 0xB1 }, 665 { 0xC5, 0xBE }, 666 { 0xC6, 0xCA }, 667 { 0xC7, 0xD1 }, 668 { 0xC8, 0xD4 }, 669 { 0xC9, 0x00 }, 670 { 0xCA, 0x00 }, 671 { 0xCB, 0x16 }, 672 { 0xCC, 0xAF }, 673 { 0xCD, 0xFF }, 674 { 0xCE, 0xFF }, 675 { 0xB0, 0x08 }, 676 { 0xB1, 0x04 }, 677 { 0xB2, 0x05 }, 678 { 0xB3, 0x11 }, 679 { 0xB4, 0x24 }, 680 { 0xB5, 0x39 }, 681 { 0xB6, 0x4E }, 682 { 0xB7, 0x72 }, 683 { 0xB8, 0xA3 }, 684 { 0xB9, 0xE1 }, 685 { 0xBA, 0x25 }, 686 { 0xBB, 0xA8 }, 687 { 0xBC, 0x2E }, 688 { 0xBD, 0x32 }, 689 { 0xBE, 0xAD }, 690 { 0xBF, 0x28 }, 691 { 0xC0, 0x63 }, 692 { 0xC1, 0x9B }, 693 { 0xC2, 0xB5 }, 694 { 0xC3, 0xCF }, 695 { 0xC4, 0xDB }, 696 { 0xC5, 0xE8 }, 697 { 0xC6, 0xF5 }, 698 { 0xC7, 0xFA }, 699 { 0xC8, 0xFC }, 700 { 0xC9, 0x00 }, 701 { 0xCA, 0x00 }, 702 { 0xCB, 0x16 }, 703 { 0xCC, 0xAF }, 704 { 0xCD, 0xFF }, 705 { 0xCE, 0xFF }, 706 { 0xB0, 0x09 }, 707 { 0xB1, 0x04 }, 708 { 0xB2, 0x04 }, 709 { 0xB3, 0x0F }, 710 { 0xB4, 0x22 }, 711 { 0xB5, 0x37 }, 712 { 0xB6, 0x4D }, 713 { 0xB7, 0x71 }, 714 { 0xB8, 0xA2 }, 715 { 0xB9, 0xE1 }, 716 { 0xBA, 0x26 }, 717 { 0xBB, 0xA9 }, 718 { 0xBC, 0x2F }, 719 { 0xBD, 0x33 }, 720 { 0xBE, 0xAC }, 721 { 0xBF, 0x24 }, 722 { 0xC0, 0x5D }, 723 { 0xC1, 0x94 }, 724 { 0xC2, 0xAC }, 725 { 0xC3, 0xC5 }, 726 { 0xC4, 0xD1 }, 727 { 0xC5, 0xDC }, 728 { 0xC6, 0xE8 }, 729 { 0xC7, 0xED }, 730 { 0xC8, 0xF0 }, 731 { 0xC9, 0x00 }, 732 { 0xCA, 0x00 }, 733 { 0xCB, 0x16 }, 734 { 0xCC, 0xAF }, 735 { 0xCD, 0xFF }, 736 { 0xCE, 0xFF }, 737 { 0xB0, 0x0A }, 738 { 0xB1, 0x00 }, 739 { 0xB2, 0x05 }, 740 { 0xB3, 0x10 }, 741 { 0xB4, 0x22 }, 742 { 0xB5, 0x36 }, 743 { 0xB6, 0x4A }, 744 { 0xB7, 0x6C }, 745 { 0xB8, 0x9A }, 746 { 0xB9, 0xD7 }, 747 { 0xBA, 0x17 }, 748 { 0xBB, 0x92 }, 749 { 0xBC, 0x15 }, 750 { 0xBD, 0x18 }, 751 { 0xBE, 0x8C }, 752 { 0xBF, 0x00 }, 753 { 0xC0, 0x3A }, 754 { 0xC1, 0x72 }, 755 { 0xC2, 0x8C }, 756 { 0xC3, 0xA5 }, 757 { 0xC4, 0xB1 }, 758 { 0xC5, 0xBE }, 759 { 0xC6, 0xCA }, 760 { 0xC7, 0xD1 }, 761 { 0xC8, 0xD4 }, 762 { 0xC9, 0x00 }, 763 { 0xCA, 0x00 }, 764 { 0xCB, 0x16 }, 765 { 0xCC, 0xAF }, 766 { 0xCD, 0xFF }, 767 { 0xCE, 0xFF }, 768 { 0xB0, 0x0B }, 769 { 0xB1, 0x04 }, 770 { 0xB2, 0x05 }, 771 { 0xB3, 0x11 }, 772 { 0xB4, 0x24 }, 773 { 0xB5, 0x39 }, 774 { 0xB6, 0x4E }, 775 { 0xB7, 0x72 }, 776 { 0xB8, 0xA3 }, 777 { 0xB9, 0xE1 }, 778 { 0xBA, 0x25 }, 779 { 0xBB, 0xA8 }, 780 { 0xBC, 0x2E }, 781 { 0xBD, 0x32 }, 782 { 0xBE, 0xAD }, 783 { 0xBF, 0x28 }, 784 { 0xC0, 0x63 }, 785 { 0xC1, 0x9B }, 786 { 0xC2, 0xB5 }, 787 { 0xC3, 0xCF }, 788 { 0xC4, 0xDB }, 789 { 0xC5, 0xE8 }, 790 { 0xC6, 0xF5 }, 791 { 0xC7, 0xFA }, 792 { 0xC8, 0xFC }, 793 { 0xC9, 0x00 }, 794 { 0xCA, 0x00 }, 795 { 0xCB, 0x16 }, 796 { 0xCC, 0xAF }, 797 { 0xCD, 0xFF }, 798 { 0xCE, 0xFF }, 799 { 0xB0, 0x0C }, 800 { 0xB1, 0x04 }, 801 { 0xB2, 0x04 }, 802 { 0xB3, 0x0F }, 803 { 0xB4, 0x22 }, 804 { 0xB5, 0x37 }, 805 { 0xB6, 0x4D }, 806 { 0xB7, 0x71 }, 807 { 0xB8, 0xA2 }, 808 { 0xB9, 0xE1 }, 809 { 0xBA, 0x26 }, 810 { 0xBB, 0xA9 }, 811 { 0xBC, 0x2F }, 812 { 0xBD, 0x33 }, 813 { 0xBE, 0xAC }, 814 { 0xBF, 0x24 }, 815 { 0xC0, 0x5D }, 816 { 0xC1, 0x94 }, 817 { 0xC2, 0xAC }, 818 { 0xC3, 0xC5 }, 819 { 0xC4, 0xD1 }, 820 { 0xC5, 0xDC }, 821 { 0xC6, 0xE8 }, 822 { 0xC7, 0xED }, 823 { 0xC8, 0xF0 }, 824 { 0xC9, 0x00 }, 825 { 0xCA, 0x00 }, 826 { 0xCB, 0x16 }, 827 { 0xCC, 0xAF }, 828 { 0xCD, 0xFF }, 829 { 0xCE, 0xFF }, 830 }; 831 832 static const struct panel_desc boe_himax8279d10p_panel_desc = { 833 .display_mode = &default_display_mode, 834 .bpc = 8, 835 .width_mm = 135, 836 .height_mm = 216, 837 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | 838 MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM, 839 .format = MIPI_DSI_FMT_RGB888, 840 .lanes = 4, 841 .on_cmds = boe_himax8279d10p_on_cmds, 842 .on_cmds_num = 283, 843 }; 844 845 static const struct of_device_id panel_of_match[] = { 846 { 847 .compatible = "boe,himax8279d8p", 848 .data = &boe_himax8279d8p_panel_desc, 849 }, 850 { 851 .compatible = "boe,himax8279d10p", 852 .data = &boe_himax8279d10p_panel_desc, 853 }, 854 { 855 /* sentinel */ 856 } 857 }; 858 MODULE_DEVICE_TABLE(of, panel_of_match); 859 860 static int panel_add(struct panel_info *pinfo) 861 { 862 struct device *dev = &pinfo->link->dev; 863 int ret; 864 865 pinfo->pp18_gpio = devm_gpiod_get(dev, "pp18", GPIOD_OUT_HIGH); 866 if (IS_ERR(pinfo->pp18_gpio)) { 867 ret = PTR_ERR(pinfo->pp18_gpio); 868 if (ret != -EPROBE_DEFER) 869 DRM_DEV_ERROR(dev, "failed to get pp18 gpio: %d\n", 870 ret); 871 return ret; 872 } 873 874 pinfo->pp33_gpio = devm_gpiod_get(dev, "pp33", GPIOD_OUT_HIGH); 875 if (IS_ERR(pinfo->pp33_gpio)) { 876 ret = PTR_ERR(pinfo->pp33_gpio); 877 if (ret != -EPROBE_DEFER) 878 DRM_DEV_ERROR(dev, "failed to get pp33 gpio: %d\n", 879 ret); 880 return ret; 881 } 882 883 pinfo->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); 884 if (IS_ERR(pinfo->enable_gpio)) { 885 ret = PTR_ERR(pinfo->enable_gpio); 886 if (ret != -EPROBE_DEFER) 887 DRM_DEV_ERROR(dev, "failed to get enable gpio: %d\n", 888 ret); 889 return ret; 890 } 891 892 drm_panel_init(&pinfo->base, dev, &panel_funcs, 893 DRM_MODE_CONNECTOR_DSI); 894 895 ret = drm_panel_of_backlight(&pinfo->base); 896 if (ret) 897 return ret; 898 899 return drm_panel_add(&pinfo->base); 900 } 901 902 static int panel_probe(struct mipi_dsi_device *dsi) 903 { 904 struct panel_info *pinfo; 905 const struct panel_desc *desc; 906 int err; 907 908 pinfo = devm_kzalloc(&dsi->dev, sizeof(*pinfo), GFP_KERNEL); 909 if (!pinfo) 910 return -ENOMEM; 911 912 desc = of_device_get_match_data(&dsi->dev); 913 dsi->mode_flags = desc->mode_flags; 914 dsi->format = desc->format; 915 dsi->lanes = desc->lanes; 916 pinfo->desc = desc; 917 918 pinfo->link = dsi; 919 mipi_dsi_set_drvdata(dsi, pinfo); 920 921 err = panel_add(pinfo); 922 if (err < 0) 923 return err; 924 925 err = mipi_dsi_attach(dsi); 926 if (err < 0) 927 drm_panel_remove(&pinfo->base); 928 929 return err; 930 } 931 932 static int panel_remove(struct mipi_dsi_device *dsi) 933 { 934 struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi); 935 int err; 936 937 err = boe_panel_disable(&pinfo->base); 938 if (err < 0) 939 DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", 940 err); 941 942 err = boe_panel_unprepare(&pinfo->base); 943 if (err < 0) 944 DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n", 945 err); 946 947 err = mipi_dsi_detach(dsi); 948 if (err < 0) 949 DRM_DEV_ERROR(&dsi->dev, "failed to detach from DSI host: %d\n", 950 err); 951 952 drm_panel_remove(&pinfo->base); 953 954 return 0; 955 } 956 957 static void panel_shutdown(struct mipi_dsi_device *dsi) 958 { 959 struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi); 960 961 boe_panel_disable(&pinfo->base); 962 boe_panel_unprepare(&pinfo->base); 963 } 964 965 static struct mipi_dsi_driver panel_driver = { 966 .driver = { 967 .name = "panel-boe-himax8279d", 968 .of_match_table = panel_of_match, 969 }, 970 .probe = panel_probe, 971 .remove = panel_remove, 972 .shutdown = panel_shutdown, 973 }; 974 module_mipi_dsi_driver(panel_driver); 975 976 MODULE_AUTHOR("Jerry Han <jerry.han.hq@gmail.com>"); 977 MODULE_DESCRIPTION("Boe Himax8279d driver"); 978 MODULE_LICENSE("GPL v2"); 979