1 /* 2 * Copyright (C) 2013, NVIDIA Corporation. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sub license, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 #include <linux/backlight.h> 25 #include <linux/gpio/consumer.h> 26 #include <linux/module.h> 27 #include <linux/of_platform.h> 28 #include <linux/platform_device.h> 29 #include <linux/regulator/consumer.h> 30 31 #include <drm/drmP.h> 32 #include <drm/drm_crtc.h> 33 #include <drm/drm_mipi_dsi.h> 34 #include <drm/drm_panel.h> 35 36 struct panel_desc { 37 const struct drm_display_mode *modes; 38 unsigned int num_modes; 39 40 unsigned int bpc; 41 42 struct { 43 unsigned int width; 44 unsigned int height; 45 } size; 46 47 /** 48 * @prepare: the time (in milliseconds) that it takes for the panel to 49 * become ready and start receiving video data 50 * @enable: the time (in milliseconds) that it takes for the panel to 51 * display the first valid frame after starting to receive 52 * video data 53 * @disable: the time (in milliseconds) that it takes for the panel to 54 * turn the display off (no content is visible) 55 * @unprepare: the time (in milliseconds) that it takes for the panel 56 * to power itself down completely 57 */ 58 struct { 59 unsigned int prepare; 60 unsigned int enable; 61 unsigned int disable; 62 unsigned int unprepare; 63 } delay; 64 65 u32 bus_format; 66 }; 67 68 struct panel_simple { 69 struct drm_panel base; 70 bool prepared; 71 bool enabled; 72 73 const struct panel_desc *desc; 74 75 struct backlight_device *backlight; 76 struct regulator *supply; 77 struct i2c_adapter *ddc; 78 79 struct gpio_desc *enable_gpio; 80 }; 81 82 static inline struct panel_simple *to_panel_simple(struct drm_panel *panel) 83 { 84 return container_of(panel, struct panel_simple, base); 85 } 86 87 static int panel_simple_get_fixed_modes(struct panel_simple *panel) 88 { 89 struct drm_connector *connector = panel->base.connector; 90 struct drm_device *drm = panel->base.drm; 91 struct drm_display_mode *mode; 92 unsigned int i, num = 0; 93 94 if (!panel->desc) 95 return 0; 96 97 for (i = 0; i < panel->desc->num_modes; i++) { 98 const struct drm_display_mode *m = &panel->desc->modes[i]; 99 100 mode = drm_mode_duplicate(drm, m); 101 if (!mode) { 102 dev_err(drm->dev, "failed to add mode %ux%u@%u\n", 103 m->hdisplay, m->vdisplay, m->vrefresh); 104 continue; 105 } 106 107 drm_mode_set_name(mode); 108 109 drm_mode_probed_add(connector, mode); 110 num++; 111 } 112 113 connector->display_info.bpc = panel->desc->bpc; 114 connector->display_info.width_mm = panel->desc->size.width; 115 connector->display_info.height_mm = panel->desc->size.height; 116 if (panel->desc->bus_format) 117 drm_display_info_set_bus_formats(&connector->display_info, 118 &panel->desc->bus_format, 1); 119 120 return num; 121 } 122 123 static int panel_simple_disable(struct drm_panel *panel) 124 { 125 struct panel_simple *p = to_panel_simple(panel); 126 127 if (!p->enabled) 128 return 0; 129 130 if (p->backlight) { 131 p->backlight->props.power = FB_BLANK_POWERDOWN; 132 backlight_update_status(p->backlight); 133 } 134 135 if (p->desc->delay.disable) 136 msleep(p->desc->delay.disable); 137 138 p->enabled = false; 139 140 return 0; 141 } 142 143 static int panel_simple_unprepare(struct drm_panel *panel) 144 { 145 struct panel_simple *p = to_panel_simple(panel); 146 147 if (!p->prepared) 148 return 0; 149 150 if (p->enable_gpio) 151 gpiod_set_value_cansleep(p->enable_gpio, 0); 152 153 regulator_disable(p->supply); 154 155 if (p->desc->delay.unprepare) 156 msleep(p->desc->delay.unprepare); 157 158 p->prepared = false; 159 160 return 0; 161 } 162 163 static int panel_simple_prepare(struct drm_panel *panel) 164 { 165 struct panel_simple *p = to_panel_simple(panel); 166 int err; 167 168 if (p->prepared) 169 return 0; 170 171 err = regulator_enable(p->supply); 172 if (err < 0) { 173 dev_err(panel->dev, "failed to enable supply: %d\n", err); 174 return err; 175 } 176 177 if (p->enable_gpio) 178 gpiod_set_value_cansleep(p->enable_gpio, 1); 179 180 if (p->desc->delay.prepare) 181 msleep(p->desc->delay.prepare); 182 183 p->prepared = true; 184 185 return 0; 186 } 187 188 static int panel_simple_enable(struct drm_panel *panel) 189 { 190 struct panel_simple *p = to_panel_simple(panel); 191 192 if (p->enabled) 193 return 0; 194 195 if (p->desc->delay.enable) 196 msleep(p->desc->delay.enable); 197 198 if (p->backlight) { 199 p->backlight->props.power = FB_BLANK_UNBLANK; 200 backlight_update_status(p->backlight); 201 } 202 203 p->enabled = true; 204 205 return 0; 206 } 207 208 static int panel_simple_get_modes(struct drm_panel *panel) 209 { 210 struct panel_simple *p = to_panel_simple(panel); 211 int num = 0; 212 213 /* probe EDID if a DDC bus is available */ 214 if (p->ddc) { 215 struct edid *edid = drm_get_edid(panel->connector, p->ddc); 216 drm_mode_connector_update_edid_property(panel->connector, edid); 217 if (edid) { 218 num += drm_add_edid_modes(panel->connector, edid); 219 kfree(edid); 220 } 221 } 222 223 /* add hard-coded panel modes */ 224 num += panel_simple_get_fixed_modes(p); 225 226 return num; 227 } 228 229 static const struct drm_panel_funcs panel_simple_funcs = { 230 .disable = panel_simple_disable, 231 .unprepare = panel_simple_unprepare, 232 .prepare = panel_simple_prepare, 233 .enable = panel_simple_enable, 234 .get_modes = panel_simple_get_modes, 235 }; 236 237 static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) 238 { 239 struct device_node *backlight, *ddc; 240 struct panel_simple *panel; 241 int err; 242 243 panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL); 244 if (!panel) 245 return -ENOMEM; 246 247 panel->enabled = false; 248 panel->prepared = false; 249 panel->desc = desc; 250 251 panel->supply = devm_regulator_get(dev, "power"); 252 if (IS_ERR(panel->supply)) 253 return PTR_ERR(panel->supply); 254 255 panel->enable_gpio = devm_gpiod_get_optional(dev, "enable", 256 GPIOD_OUT_LOW); 257 if (IS_ERR(panel->enable_gpio)) { 258 err = PTR_ERR(panel->enable_gpio); 259 dev_err(dev, "failed to request GPIO: %d\n", err); 260 return err; 261 } 262 263 backlight = of_parse_phandle(dev->of_node, "backlight", 0); 264 if (backlight) { 265 panel->backlight = of_find_backlight_by_node(backlight); 266 of_node_put(backlight); 267 268 if (!panel->backlight) 269 return -EPROBE_DEFER; 270 } 271 272 ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0); 273 if (ddc) { 274 panel->ddc = of_find_i2c_adapter_by_node(ddc); 275 of_node_put(ddc); 276 277 if (!panel->ddc) { 278 err = -EPROBE_DEFER; 279 goto free_backlight; 280 } 281 } 282 283 drm_panel_init(&panel->base); 284 panel->base.dev = dev; 285 panel->base.funcs = &panel_simple_funcs; 286 287 err = drm_panel_add(&panel->base); 288 if (err < 0) 289 goto free_ddc; 290 291 dev_set_drvdata(dev, panel); 292 293 return 0; 294 295 free_ddc: 296 if (panel->ddc) 297 put_device(&panel->ddc->dev); 298 free_backlight: 299 if (panel->backlight) 300 put_device(&panel->backlight->dev); 301 302 return err; 303 } 304 305 static int panel_simple_remove(struct device *dev) 306 { 307 struct panel_simple *panel = dev_get_drvdata(dev); 308 309 drm_panel_detach(&panel->base); 310 drm_panel_remove(&panel->base); 311 312 panel_simple_disable(&panel->base); 313 314 if (panel->ddc) 315 put_device(&panel->ddc->dev); 316 317 if (panel->backlight) 318 put_device(&panel->backlight->dev); 319 320 return 0; 321 } 322 323 static void panel_simple_shutdown(struct device *dev) 324 { 325 struct panel_simple *panel = dev_get_drvdata(dev); 326 327 panel_simple_disable(&panel->base); 328 } 329 330 static const struct drm_display_mode auo_b101aw03_mode = { 331 .clock = 51450, 332 .hdisplay = 1024, 333 .hsync_start = 1024 + 156, 334 .hsync_end = 1024 + 156 + 8, 335 .htotal = 1024 + 156 + 8 + 156, 336 .vdisplay = 600, 337 .vsync_start = 600 + 16, 338 .vsync_end = 600 + 16 + 6, 339 .vtotal = 600 + 16 + 6 + 16, 340 .vrefresh = 60, 341 }; 342 343 static const struct panel_desc auo_b101aw03 = { 344 .modes = &auo_b101aw03_mode, 345 .num_modes = 1, 346 .bpc = 6, 347 .size = { 348 .width = 223, 349 .height = 125, 350 }, 351 }; 352 353 static const struct drm_display_mode auo_b101xtn01_mode = { 354 .clock = 72000, 355 .hdisplay = 1366, 356 .hsync_start = 1366 + 20, 357 .hsync_end = 1366 + 20 + 70, 358 .htotal = 1366 + 20 + 70, 359 .vdisplay = 768, 360 .vsync_start = 768 + 14, 361 .vsync_end = 768 + 14 + 42, 362 .vtotal = 768 + 14 + 42, 363 .vrefresh = 60, 364 .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, 365 }; 366 367 static const struct panel_desc auo_b101xtn01 = { 368 .modes = &auo_b101xtn01_mode, 369 .num_modes = 1, 370 .bpc = 6, 371 .size = { 372 .width = 223, 373 .height = 125, 374 }, 375 }; 376 377 static const struct drm_display_mode auo_b116xw03_mode = { 378 .clock = 70589, 379 .hdisplay = 1366, 380 .hsync_start = 1366 + 40, 381 .hsync_end = 1366 + 40 + 40, 382 .htotal = 1366 + 40 + 40 + 32, 383 .vdisplay = 768, 384 .vsync_start = 768 + 10, 385 .vsync_end = 768 + 10 + 12, 386 .vtotal = 768 + 10 + 12 + 6, 387 .vrefresh = 60, 388 }; 389 390 static const struct panel_desc auo_b116xw03 = { 391 .modes = &auo_b116xw03_mode, 392 .num_modes = 1, 393 .bpc = 6, 394 .size = { 395 .width = 256, 396 .height = 144, 397 }, 398 }; 399 400 static const struct drm_display_mode auo_b133xtn01_mode = { 401 .clock = 69500, 402 .hdisplay = 1366, 403 .hsync_start = 1366 + 48, 404 .hsync_end = 1366 + 48 + 32, 405 .htotal = 1366 + 48 + 32 + 20, 406 .vdisplay = 768, 407 .vsync_start = 768 + 3, 408 .vsync_end = 768 + 3 + 6, 409 .vtotal = 768 + 3 + 6 + 13, 410 .vrefresh = 60, 411 }; 412 413 static const struct panel_desc auo_b133xtn01 = { 414 .modes = &auo_b133xtn01_mode, 415 .num_modes = 1, 416 .bpc = 6, 417 .size = { 418 .width = 293, 419 .height = 165, 420 }, 421 }; 422 423 static const struct drm_display_mode auo_b133htn01_mode = { 424 .clock = 150660, 425 .hdisplay = 1920, 426 .hsync_start = 1920 + 172, 427 .hsync_end = 1920 + 172 + 80, 428 .htotal = 1920 + 172 + 80 + 60, 429 .vdisplay = 1080, 430 .vsync_start = 1080 + 25, 431 .vsync_end = 1080 + 25 + 10, 432 .vtotal = 1080 + 25 + 10 + 10, 433 .vrefresh = 60, 434 }; 435 436 static const struct panel_desc auo_b133htn01 = { 437 .modes = &auo_b133htn01_mode, 438 .num_modes = 1, 439 .bpc = 6, 440 .size = { 441 .width = 293, 442 .height = 165, 443 }, 444 .delay = { 445 .prepare = 105, 446 .enable = 20, 447 .unprepare = 50, 448 }, 449 }; 450 451 static const struct drm_display_mode chunghwa_claa101wa01a_mode = { 452 .clock = 72070, 453 .hdisplay = 1366, 454 .hsync_start = 1366 + 58, 455 .hsync_end = 1366 + 58 + 58, 456 .htotal = 1366 + 58 + 58 + 58, 457 .vdisplay = 768, 458 .vsync_start = 768 + 4, 459 .vsync_end = 768 + 4 + 4, 460 .vtotal = 768 + 4 + 4 + 4, 461 .vrefresh = 60, 462 }; 463 464 static const struct panel_desc chunghwa_claa101wa01a = { 465 .modes = &chunghwa_claa101wa01a_mode, 466 .num_modes = 1, 467 .bpc = 6, 468 .size = { 469 .width = 220, 470 .height = 120, 471 }, 472 }; 473 474 static const struct drm_display_mode chunghwa_claa101wb01_mode = { 475 .clock = 69300, 476 .hdisplay = 1366, 477 .hsync_start = 1366 + 48, 478 .hsync_end = 1366 + 48 + 32, 479 .htotal = 1366 + 48 + 32 + 20, 480 .vdisplay = 768, 481 .vsync_start = 768 + 16, 482 .vsync_end = 768 + 16 + 8, 483 .vtotal = 768 + 16 + 8 + 16, 484 .vrefresh = 60, 485 }; 486 487 static const struct panel_desc chunghwa_claa101wb01 = { 488 .modes = &chunghwa_claa101wb01_mode, 489 .num_modes = 1, 490 .bpc = 6, 491 .size = { 492 .width = 223, 493 .height = 125, 494 }, 495 }; 496 497 static const struct drm_display_mode edt_et057090dhu_mode = { 498 .clock = 25175, 499 .hdisplay = 640, 500 .hsync_start = 640 + 16, 501 .hsync_end = 640 + 16 + 30, 502 .htotal = 640 + 16 + 30 + 114, 503 .vdisplay = 480, 504 .vsync_start = 480 + 10, 505 .vsync_end = 480 + 10 + 3, 506 .vtotal = 480 + 10 + 3 + 32, 507 .vrefresh = 60, 508 .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, 509 }; 510 511 static const struct panel_desc edt_et057090dhu = { 512 .modes = &edt_et057090dhu_mode, 513 .num_modes = 1, 514 .bpc = 6, 515 .size = { 516 .width = 115, 517 .height = 86, 518 }, 519 }; 520 521 static const struct drm_display_mode edt_etm0700g0dh6_mode = { 522 .clock = 33260, 523 .hdisplay = 800, 524 .hsync_start = 800 + 40, 525 .hsync_end = 800 + 40 + 128, 526 .htotal = 800 + 40 + 128 + 88, 527 .vdisplay = 480, 528 .vsync_start = 480 + 10, 529 .vsync_end = 480 + 10 + 2, 530 .vtotal = 480 + 10 + 2 + 33, 531 .vrefresh = 60, 532 .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, 533 }; 534 535 static const struct panel_desc edt_etm0700g0dh6 = { 536 .modes = &edt_etm0700g0dh6_mode, 537 .num_modes = 1, 538 .bpc = 6, 539 .size = { 540 .width = 152, 541 .height = 91, 542 }, 543 }; 544 545 static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = { 546 .clock = 32260, 547 .hdisplay = 800, 548 .hsync_start = 800 + 168, 549 .hsync_end = 800 + 168 + 64, 550 .htotal = 800 + 168 + 64 + 88, 551 .vdisplay = 480, 552 .vsync_start = 480 + 37, 553 .vsync_end = 480 + 37 + 2, 554 .vtotal = 480 + 37 + 2 + 8, 555 .vrefresh = 60, 556 }; 557 558 static const struct panel_desc foxlink_fl500wvr00_a0t = { 559 .modes = &foxlink_fl500wvr00_a0t_mode, 560 .num_modes = 1, 561 .bpc = 8, 562 .size = { 563 .width = 108, 564 .height = 65, 565 }, 566 .bus_format = MEDIA_BUS_FMT_RGB888_1X24, 567 }; 568 569 static const struct drm_display_mode hannstar_hsd070pww1_mode = { 570 .clock = 71100, 571 .hdisplay = 1280, 572 .hsync_start = 1280 + 1, 573 .hsync_end = 1280 + 1 + 158, 574 .htotal = 1280 + 1 + 158 + 1, 575 .vdisplay = 800, 576 .vsync_start = 800 + 1, 577 .vsync_end = 800 + 1 + 21, 578 .vtotal = 800 + 1 + 21 + 1, 579 .vrefresh = 60, 580 }; 581 582 static const struct panel_desc hannstar_hsd070pww1 = { 583 .modes = &hannstar_hsd070pww1_mode, 584 .num_modes = 1, 585 .bpc = 6, 586 .size = { 587 .width = 151, 588 .height = 94, 589 }, 590 }; 591 592 static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = { 593 .clock = 33333, 594 .hdisplay = 800, 595 .hsync_start = 800 + 85, 596 .hsync_end = 800 + 85 + 86, 597 .htotal = 800 + 85 + 86 + 85, 598 .vdisplay = 480, 599 .vsync_start = 480 + 16, 600 .vsync_end = 480 + 16 + 13, 601 .vtotal = 480 + 16 + 13 + 16, 602 .vrefresh = 60, 603 }; 604 605 static const struct panel_desc hitachi_tx23d38vm0caa = { 606 .modes = &hitachi_tx23d38vm0caa_mode, 607 .num_modes = 1, 608 .bpc = 6, 609 .size = { 610 .width = 195, 611 .height = 117, 612 }, 613 }; 614 615 static const struct drm_display_mode innolux_g121i1_l01_mode = { 616 .clock = 71000, 617 .hdisplay = 1280, 618 .hsync_start = 1280 + 64, 619 .hsync_end = 1280 + 64 + 32, 620 .htotal = 1280 + 64 + 32 + 64, 621 .vdisplay = 800, 622 .vsync_start = 800 + 9, 623 .vsync_end = 800 + 9 + 6, 624 .vtotal = 800 + 9 + 6 + 9, 625 .vrefresh = 60, 626 }; 627 628 static const struct panel_desc innolux_g121i1_l01 = { 629 .modes = &innolux_g121i1_l01_mode, 630 .num_modes = 1, 631 .bpc = 6, 632 .size = { 633 .width = 261, 634 .height = 163, 635 }, 636 }; 637 638 static const struct drm_display_mode innolux_n116bge_mode = { 639 .clock = 76420, 640 .hdisplay = 1366, 641 .hsync_start = 1366 + 136, 642 .hsync_end = 1366 + 136 + 30, 643 .htotal = 1366 + 136 + 30 + 60, 644 .vdisplay = 768, 645 .vsync_start = 768 + 8, 646 .vsync_end = 768 + 8 + 12, 647 .vtotal = 768 + 8 + 12 + 12, 648 .vrefresh = 60, 649 .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, 650 }; 651 652 static const struct panel_desc innolux_n116bge = { 653 .modes = &innolux_n116bge_mode, 654 .num_modes = 1, 655 .bpc = 6, 656 .size = { 657 .width = 256, 658 .height = 144, 659 }, 660 }; 661 662 static const struct drm_display_mode innolux_n156bge_l21_mode = { 663 .clock = 69300, 664 .hdisplay = 1366, 665 .hsync_start = 1366 + 16, 666 .hsync_end = 1366 + 16 + 34, 667 .htotal = 1366 + 16 + 34 + 50, 668 .vdisplay = 768, 669 .vsync_start = 768 + 2, 670 .vsync_end = 768 + 2 + 6, 671 .vtotal = 768 + 2 + 6 + 12, 672 .vrefresh = 60, 673 }; 674 675 static const struct panel_desc innolux_n156bge_l21 = { 676 .modes = &innolux_n156bge_l21_mode, 677 .num_modes = 1, 678 .bpc = 6, 679 .size = { 680 .width = 344, 681 .height = 193, 682 }, 683 }; 684 685 static const struct drm_display_mode lg_lp129qe_mode = { 686 .clock = 285250, 687 .hdisplay = 2560, 688 .hsync_start = 2560 + 48, 689 .hsync_end = 2560 + 48 + 32, 690 .htotal = 2560 + 48 + 32 + 80, 691 .vdisplay = 1700, 692 .vsync_start = 1700 + 3, 693 .vsync_end = 1700 + 3 + 10, 694 .vtotal = 1700 + 3 + 10 + 36, 695 .vrefresh = 60, 696 }; 697 698 static const struct panel_desc lg_lp129qe = { 699 .modes = &lg_lp129qe_mode, 700 .num_modes = 1, 701 .bpc = 8, 702 .size = { 703 .width = 272, 704 .height = 181, 705 }, 706 }; 707 708 static const struct drm_display_mode samsung_ltn101nt05_mode = { 709 .clock = 54030, 710 .hdisplay = 1024, 711 .hsync_start = 1024 + 24, 712 .hsync_end = 1024 + 24 + 136, 713 .htotal = 1024 + 24 + 136 + 160, 714 .vdisplay = 600, 715 .vsync_start = 600 + 3, 716 .vsync_end = 600 + 3 + 6, 717 .vtotal = 600 + 3 + 6 + 61, 718 .vrefresh = 60, 719 }; 720 721 static const struct panel_desc samsung_ltn101nt05 = { 722 .modes = &samsung_ltn101nt05_mode, 723 .num_modes = 1, 724 .bpc = 6, 725 .size = { 726 .width = 1024, 727 .height = 600, 728 }, 729 }; 730 731 static const struct of_device_id platform_of_match[] = { 732 { 733 .compatible = "auo,b101aw03", 734 .data = &auo_b101aw03, 735 }, { 736 .compatible = "auo,b101xtn01", 737 .data = &auo_b101xtn01, 738 }, { 739 .compatible = "auo,b116xw03", 740 .data = &auo_b116xw03, 741 }, { 742 .compatible = "auo,b133htn01", 743 .data = &auo_b133htn01, 744 }, { 745 .compatible = "auo,b133xtn01", 746 .data = &auo_b133xtn01, 747 }, { 748 .compatible = "chunghwa,claa101wa01a", 749 .data = &chunghwa_claa101wa01a 750 }, { 751 .compatible = "chunghwa,claa101wb01", 752 .data = &chunghwa_claa101wb01 753 }, { 754 .compatible = "edt,et057090dhu", 755 .data = &edt_et057090dhu, 756 }, { 757 .compatible = "edt,et070080dh6", 758 .data = &edt_etm0700g0dh6, 759 }, { 760 .compatible = "edt,etm0700g0dh6", 761 .data = &edt_etm0700g0dh6, 762 }, { 763 .compatible = "foxlink,fl500wvr00-a0t", 764 .data = &foxlink_fl500wvr00_a0t, 765 }, { 766 .compatible = "hannstar,hsd070pww1", 767 .data = &hannstar_hsd070pww1, 768 }, { 769 .compatible = "hit,tx23d38vm0caa", 770 .data = &hitachi_tx23d38vm0caa 771 }, { 772 .compatible ="innolux,g121i1-l01", 773 .data = &innolux_g121i1_l01 774 }, { 775 .compatible = "innolux,n116bge", 776 .data = &innolux_n116bge, 777 }, { 778 .compatible = "innolux,n156bge-l21", 779 .data = &innolux_n156bge_l21, 780 }, { 781 .compatible = "lg,lp129qe", 782 .data = &lg_lp129qe, 783 }, { 784 .compatible = "samsung,ltn101nt05", 785 .data = &samsung_ltn101nt05, 786 }, { 787 /* sentinel */ 788 } 789 }; 790 MODULE_DEVICE_TABLE(of, platform_of_match); 791 792 static int panel_simple_platform_probe(struct platform_device *pdev) 793 { 794 const struct of_device_id *id; 795 796 id = of_match_node(platform_of_match, pdev->dev.of_node); 797 if (!id) 798 return -ENODEV; 799 800 return panel_simple_probe(&pdev->dev, id->data); 801 } 802 803 static int panel_simple_platform_remove(struct platform_device *pdev) 804 { 805 return panel_simple_remove(&pdev->dev); 806 } 807 808 static void panel_simple_platform_shutdown(struct platform_device *pdev) 809 { 810 panel_simple_shutdown(&pdev->dev); 811 } 812 813 static struct platform_driver panel_simple_platform_driver = { 814 .driver = { 815 .name = "panel-simple", 816 .of_match_table = platform_of_match, 817 }, 818 .probe = panel_simple_platform_probe, 819 .remove = panel_simple_platform_remove, 820 .shutdown = panel_simple_platform_shutdown, 821 }; 822 823 struct panel_desc_dsi { 824 struct panel_desc desc; 825 826 unsigned long flags; 827 enum mipi_dsi_pixel_format format; 828 unsigned int lanes; 829 }; 830 831 static const struct drm_display_mode lg_ld070wx3_sl01_mode = { 832 .clock = 71000, 833 .hdisplay = 800, 834 .hsync_start = 800 + 32, 835 .hsync_end = 800 + 32 + 1, 836 .htotal = 800 + 32 + 1 + 57, 837 .vdisplay = 1280, 838 .vsync_start = 1280 + 28, 839 .vsync_end = 1280 + 28 + 1, 840 .vtotal = 1280 + 28 + 1 + 14, 841 .vrefresh = 60, 842 }; 843 844 static const struct panel_desc_dsi lg_ld070wx3_sl01 = { 845 .desc = { 846 .modes = &lg_ld070wx3_sl01_mode, 847 .num_modes = 1, 848 .bpc = 8, 849 .size = { 850 .width = 94, 851 .height = 151, 852 }, 853 }, 854 .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS, 855 .format = MIPI_DSI_FMT_RGB888, 856 .lanes = 4, 857 }; 858 859 static const struct drm_display_mode lg_lh500wx1_sd03_mode = { 860 .clock = 67000, 861 .hdisplay = 720, 862 .hsync_start = 720 + 12, 863 .hsync_end = 720 + 12 + 4, 864 .htotal = 720 + 12 + 4 + 112, 865 .vdisplay = 1280, 866 .vsync_start = 1280 + 8, 867 .vsync_end = 1280 + 8 + 4, 868 .vtotal = 1280 + 8 + 4 + 12, 869 .vrefresh = 60, 870 }; 871 872 static const struct panel_desc_dsi lg_lh500wx1_sd03 = { 873 .desc = { 874 .modes = &lg_lh500wx1_sd03_mode, 875 .num_modes = 1, 876 .bpc = 8, 877 .size = { 878 .width = 62, 879 .height = 110, 880 }, 881 }, 882 .flags = MIPI_DSI_MODE_VIDEO, 883 .format = MIPI_DSI_FMT_RGB888, 884 .lanes = 4, 885 }; 886 887 static const struct drm_display_mode panasonic_vvx10f004b00_mode = { 888 .clock = 157200, 889 .hdisplay = 1920, 890 .hsync_start = 1920 + 154, 891 .hsync_end = 1920 + 154 + 16, 892 .htotal = 1920 + 154 + 16 + 32, 893 .vdisplay = 1200, 894 .vsync_start = 1200 + 17, 895 .vsync_end = 1200 + 17 + 2, 896 .vtotal = 1200 + 17 + 2 + 16, 897 .vrefresh = 60, 898 }; 899 900 static const struct panel_desc_dsi panasonic_vvx10f004b00 = { 901 .desc = { 902 .modes = &panasonic_vvx10f004b00_mode, 903 .num_modes = 1, 904 .bpc = 8, 905 .size = { 906 .width = 217, 907 .height = 136, 908 }, 909 }, 910 .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | 911 MIPI_DSI_CLOCK_NON_CONTINUOUS, 912 .format = MIPI_DSI_FMT_RGB888, 913 .lanes = 4, 914 }; 915 916 static const struct of_device_id dsi_of_match[] = { 917 { 918 .compatible = "lg,ld070wx3-sl01", 919 .data = &lg_ld070wx3_sl01 920 }, { 921 .compatible = "lg,lh500wx1-sd03", 922 .data = &lg_lh500wx1_sd03 923 }, { 924 .compatible = "panasonic,vvx10f004b00", 925 .data = &panasonic_vvx10f004b00 926 }, { 927 /* sentinel */ 928 } 929 }; 930 MODULE_DEVICE_TABLE(of, dsi_of_match); 931 932 static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) 933 { 934 const struct panel_desc_dsi *desc; 935 const struct of_device_id *id; 936 int err; 937 938 id = of_match_node(dsi_of_match, dsi->dev.of_node); 939 if (!id) 940 return -ENODEV; 941 942 desc = id->data; 943 944 err = panel_simple_probe(&dsi->dev, &desc->desc); 945 if (err < 0) 946 return err; 947 948 dsi->mode_flags = desc->flags; 949 dsi->format = desc->format; 950 dsi->lanes = desc->lanes; 951 952 return mipi_dsi_attach(dsi); 953 } 954 955 static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) 956 { 957 int err; 958 959 err = mipi_dsi_detach(dsi); 960 if (err < 0) 961 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); 962 963 return panel_simple_remove(&dsi->dev); 964 } 965 966 static void panel_simple_dsi_shutdown(struct mipi_dsi_device *dsi) 967 { 968 panel_simple_shutdown(&dsi->dev); 969 } 970 971 static struct mipi_dsi_driver panel_simple_dsi_driver = { 972 .driver = { 973 .name = "panel-simple-dsi", 974 .of_match_table = dsi_of_match, 975 }, 976 .probe = panel_simple_dsi_probe, 977 .remove = panel_simple_dsi_remove, 978 .shutdown = panel_simple_dsi_shutdown, 979 }; 980 981 static int __init panel_simple_init(void) 982 { 983 int err; 984 985 err = platform_driver_register(&panel_simple_platform_driver); 986 if (err < 0) 987 return err; 988 989 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) { 990 err = mipi_dsi_driver_register(&panel_simple_dsi_driver); 991 if (err < 0) 992 return err; 993 } 994 995 return 0; 996 } 997 module_init(panel_simple_init); 998 999 static void __exit panel_simple_exit(void) 1000 { 1001 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) 1002 mipi_dsi_driver_unregister(&panel_simple_dsi_driver); 1003 1004 platform_driver_unregister(&panel_simple_platform_driver); 1005 } 1006 module_exit(panel_simple_exit); 1007 1008 MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>"); 1009 MODULE_DESCRIPTION("DRM Driver for Simple Panels"); 1010 MODULE_LICENSE("GPL and additional rights"); 1011