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 avic_tm070ddh03_mode = { 452 .clock = 51200, 453 .hdisplay = 1024, 454 .hsync_start = 1024 + 160, 455 .hsync_end = 1024 + 160 + 4, 456 .htotal = 1024 + 160 + 4 + 156, 457 .vdisplay = 600, 458 .vsync_start = 600 + 17, 459 .vsync_end = 600 + 17 + 1, 460 .vtotal = 600 + 17 + 1 + 17, 461 .vrefresh = 60, 462 }; 463 464 static const struct panel_desc avic_tm070ddh03 = { 465 .modes = &avic_tm070ddh03_mode, 466 .num_modes = 1, 467 .bpc = 8, 468 .size = { 469 .width = 154, 470 .height = 90, 471 }, 472 .delay = { 473 .prepare = 20, 474 .enable = 200, 475 .disable = 200, 476 }, 477 }; 478 479 static const struct drm_display_mode chunghwa_claa101wa01a_mode = { 480 .clock = 72070, 481 .hdisplay = 1366, 482 .hsync_start = 1366 + 58, 483 .hsync_end = 1366 + 58 + 58, 484 .htotal = 1366 + 58 + 58 + 58, 485 .vdisplay = 768, 486 .vsync_start = 768 + 4, 487 .vsync_end = 768 + 4 + 4, 488 .vtotal = 768 + 4 + 4 + 4, 489 .vrefresh = 60, 490 }; 491 492 static const struct panel_desc chunghwa_claa101wa01a = { 493 .modes = &chunghwa_claa101wa01a_mode, 494 .num_modes = 1, 495 .bpc = 6, 496 .size = { 497 .width = 220, 498 .height = 120, 499 }, 500 }; 501 502 static const struct drm_display_mode chunghwa_claa101wb01_mode = { 503 .clock = 69300, 504 .hdisplay = 1366, 505 .hsync_start = 1366 + 48, 506 .hsync_end = 1366 + 48 + 32, 507 .htotal = 1366 + 48 + 32 + 20, 508 .vdisplay = 768, 509 .vsync_start = 768 + 16, 510 .vsync_end = 768 + 16 + 8, 511 .vtotal = 768 + 16 + 8 + 16, 512 .vrefresh = 60, 513 }; 514 515 static const struct panel_desc chunghwa_claa101wb01 = { 516 .modes = &chunghwa_claa101wb01_mode, 517 .num_modes = 1, 518 .bpc = 6, 519 .size = { 520 .width = 223, 521 .height = 125, 522 }, 523 }; 524 525 static const struct drm_display_mode edt_et057090dhu_mode = { 526 .clock = 25175, 527 .hdisplay = 640, 528 .hsync_start = 640 + 16, 529 .hsync_end = 640 + 16 + 30, 530 .htotal = 640 + 16 + 30 + 114, 531 .vdisplay = 480, 532 .vsync_start = 480 + 10, 533 .vsync_end = 480 + 10 + 3, 534 .vtotal = 480 + 10 + 3 + 32, 535 .vrefresh = 60, 536 .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, 537 }; 538 539 static const struct panel_desc edt_et057090dhu = { 540 .modes = &edt_et057090dhu_mode, 541 .num_modes = 1, 542 .bpc = 6, 543 .size = { 544 .width = 115, 545 .height = 86, 546 }, 547 }; 548 549 static const struct drm_display_mode edt_etm0700g0dh6_mode = { 550 .clock = 33260, 551 .hdisplay = 800, 552 .hsync_start = 800 + 40, 553 .hsync_end = 800 + 40 + 128, 554 .htotal = 800 + 40 + 128 + 88, 555 .vdisplay = 480, 556 .vsync_start = 480 + 10, 557 .vsync_end = 480 + 10 + 2, 558 .vtotal = 480 + 10 + 2 + 33, 559 .vrefresh = 60, 560 .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, 561 }; 562 563 static const struct panel_desc edt_etm0700g0dh6 = { 564 .modes = &edt_etm0700g0dh6_mode, 565 .num_modes = 1, 566 .bpc = 6, 567 .size = { 568 .width = 152, 569 .height = 91, 570 }, 571 }; 572 573 static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = { 574 .clock = 32260, 575 .hdisplay = 800, 576 .hsync_start = 800 + 168, 577 .hsync_end = 800 + 168 + 64, 578 .htotal = 800 + 168 + 64 + 88, 579 .vdisplay = 480, 580 .vsync_start = 480 + 37, 581 .vsync_end = 480 + 37 + 2, 582 .vtotal = 480 + 37 + 2 + 8, 583 .vrefresh = 60, 584 }; 585 586 static const struct panel_desc foxlink_fl500wvr00_a0t = { 587 .modes = &foxlink_fl500wvr00_a0t_mode, 588 .num_modes = 1, 589 .bpc = 8, 590 .size = { 591 .width = 108, 592 .height = 65, 593 }, 594 .bus_format = MEDIA_BUS_FMT_RGB888_1X24, 595 }; 596 597 static const struct drm_display_mode giantplus_gpg482739qs5_mode = { 598 .clock = 9000, 599 .hdisplay = 480, 600 .hsync_start = 480 + 5, 601 .hsync_end = 480 + 5 + 1, 602 .htotal = 480 + 5 + 1 + 40, 603 .vdisplay = 272, 604 .vsync_start = 272 + 8, 605 .vsync_end = 272 + 8 + 1, 606 .vtotal = 272 + 8 + 1 + 8, 607 .vrefresh = 60, 608 }; 609 610 static const struct panel_desc giantplus_gpg482739qs5 = { 611 .modes = &giantplus_gpg482739qs5_mode, 612 .num_modes = 1, 613 .bpc = 8, 614 .size = { 615 .width = 95, 616 .height = 54, 617 }, 618 }; 619 620 static const struct drm_display_mode hannstar_hsd070pww1_mode = { 621 .clock = 71100, 622 .hdisplay = 1280, 623 .hsync_start = 1280 + 1, 624 .hsync_end = 1280 + 1 + 158, 625 .htotal = 1280 + 1 + 158 + 1, 626 .vdisplay = 800, 627 .vsync_start = 800 + 1, 628 .vsync_end = 800 + 1 + 21, 629 .vtotal = 800 + 1 + 21 + 1, 630 .vrefresh = 60, 631 }; 632 633 static const struct panel_desc hannstar_hsd070pww1 = { 634 .modes = &hannstar_hsd070pww1_mode, 635 .num_modes = 1, 636 .bpc = 6, 637 .size = { 638 .width = 151, 639 .height = 94, 640 }, 641 }; 642 643 static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = { 644 .clock = 33333, 645 .hdisplay = 800, 646 .hsync_start = 800 + 85, 647 .hsync_end = 800 + 85 + 86, 648 .htotal = 800 + 85 + 86 + 85, 649 .vdisplay = 480, 650 .vsync_start = 480 + 16, 651 .vsync_end = 480 + 16 + 13, 652 .vtotal = 480 + 16 + 13 + 16, 653 .vrefresh = 60, 654 }; 655 656 static const struct panel_desc hitachi_tx23d38vm0caa = { 657 .modes = &hitachi_tx23d38vm0caa_mode, 658 .num_modes = 1, 659 .bpc = 6, 660 .size = { 661 .width = 195, 662 .height = 117, 663 }, 664 }; 665 666 static const struct drm_display_mode innolux_g121i1_l01_mode = { 667 .clock = 71000, 668 .hdisplay = 1280, 669 .hsync_start = 1280 + 64, 670 .hsync_end = 1280 + 64 + 32, 671 .htotal = 1280 + 64 + 32 + 64, 672 .vdisplay = 800, 673 .vsync_start = 800 + 9, 674 .vsync_end = 800 + 9 + 6, 675 .vtotal = 800 + 9 + 6 + 9, 676 .vrefresh = 60, 677 }; 678 679 static const struct panel_desc innolux_g121i1_l01 = { 680 .modes = &innolux_g121i1_l01_mode, 681 .num_modes = 1, 682 .bpc = 6, 683 .size = { 684 .width = 261, 685 .height = 163, 686 }, 687 }; 688 689 static const struct drm_display_mode innolux_n116bge_mode = { 690 .clock = 76420, 691 .hdisplay = 1366, 692 .hsync_start = 1366 + 136, 693 .hsync_end = 1366 + 136 + 30, 694 .htotal = 1366 + 136 + 30 + 60, 695 .vdisplay = 768, 696 .vsync_start = 768 + 8, 697 .vsync_end = 768 + 8 + 12, 698 .vtotal = 768 + 8 + 12 + 12, 699 .vrefresh = 60, 700 .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, 701 }; 702 703 static const struct panel_desc innolux_n116bge = { 704 .modes = &innolux_n116bge_mode, 705 .num_modes = 1, 706 .bpc = 6, 707 .size = { 708 .width = 256, 709 .height = 144, 710 }, 711 }; 712 713 static const struct drm_display_mode innolux_n156bge_l21_mode = { 714 .clock = 69300, 715 .hdisplay = 1366, 716 .hsync_start = 1366 + 16, 717 .hsync_end = 1366 + 16 + 34, 718 .htotal = 1366 + 16 + 34 + 50, 719 .vdisplay = 768, 720 .vsync_start = 768 + 2, 721 .vsync_end = 768 + 2 + 6, 722 .vtotal = 768 + 2 + 6 + 12, 723 .vrefresh = 60, 724 }; 725 726 static const struct panel_desc innolux_n156bge_l21 = { 727 .modes = &innolux_n156bge_l21_mode, 728 .num_modes = 1, 729 .bpc = 6, 730 .size = { 731 .width = 344, 732 .height = 193, 733 }, 734 }; 735 736 static const struct drm_display_mode lg_lp129qe_mode = { 737 .clock = 285250, 738 .hdisplay = 2560, 739 .hsync_start = 2560 + 48, 740 .hsync_end = 2560 + 48 + 32, 741 .htotal = 2560 + 48 + 32 + 80, 742 .vdisplay = 1700, 743 .vsync_start = 1700 + 3, 744 .vsync_end = 1700 + 3 + 10, 745 .vtotal = 1700 + 3 + 10 + 36, 746 .vrefresh = 60, 747 }; 748 749 static const struct panel_desc lg_lp129qe = { 750 .modes = &lg_lp129qe_mode, 751 .num_modes = 1, 752 .bpc = 8, 753 .size = { 754 .width = 272, 755 .height = 181, 756 }, 757 }; 758 759 static const struct drm_display_mode samsung_ltn101nt05_mode = { 760 .clock = 54030, 761 .hdisplay = 1024, 762 .hsync_start = 1024 + 24, 763 .hsync_end = 1024 + 24 + 136, 764 .htotal = 1024 + 24 + 136 + 160, 765 .vdisplay = 600, 766 .vsync_start = 600 + 3, 767 .vsync_end = 600 + 3 + 6, 768 .vtotal = 600 + 3 + 6 + 61, 769 .vrefresh = 60, 770 }; 771 772 static const struct panel_desc samsung_ltn101nt05 = { 773 .modes = &samsung_ltn101nt05_mode, 774 .num_modes = 1, 775 .bpc = 6, 776 .size = { 777 .width = 1024, 778 .height = 600, 779 }, 780 }; 781 782 static const struct of_device_id platform_of_match[] = { 783 { 784 .compatible = "auo,b101aw03", 785 .data = &auo_b101aw03, 786 }, { 787 .compatible = "auo,b101xtn01", 788 .data = &auo_b101xtn01, 789 }, { 790 .compatible = "auo,b116xw03", 791 .data = &auo_b116xw03, 792 }, { 793 .compatible = "auo,b133htn01", 794 .data = &auo_b133htn01, 795 }, { 796 .compatible = "auo,b133xtn01", 797 .data = &auo_b133xtn01, 798 }, { 799 .compatible = "avic,tm070ddh03", 800 .data = &avic_tm070ddh03, 801 }, { 802 .compatible = "chunghwa,claa101wa01a", 803 .data = &chunghwa_claa101wa01a 804 }, { 805 .compatible = "chunghwa,claa101wb01", 806 .data = &chunghwa_claa101wb01 807 }, { 808 .compatible = "edt,et057090dhu", 809 .data = &edt_et057090dhu, 810 }, { 811 .compatible = "edt,et070080dh6", 812 .data = &edt_etm0700g0dh6, 813 }, { 814 .compatible = "edt,etm0700g0dh6", 815 .data = &edt_etm0700g0dh6, 816 }, { 817 .compatible = "foxlink,fl500wvr00-a0t", 818 .data = &foxlink_fl500wvr00_a0t, 819 }, { 820 .compatible = "giantplus,gpg482739qs5", 821 .data = &giantplus_gpg482739qs5 822 }, { 823 .compatible = "hannstar,hsd070pww1", 824 .data = &hannstar_hsd070pww1, 825 }, { 826 .compatible = "hit,tx23d38vm0caa", 827 .data = &hitachi_tx23d38vm0caa 828 }, { 829 .compatible ="innolux,g121i1-l01", 830 .data = &innolux_g121i1_l01 831 }, { 832 .compatible = "innolux,n116bge", 833 .data = &innolux_n116bge, 834 }, { 835 .compatible = "innolux,n156bge-l21", 836 .data = &innolux_n156bge_l21, 837 }, { 838 .compatible = "lg,lp129qe", 839 .data = &lg_lp129qe, 840 }, { 841 .compatible = "samsung,ltn101nt05", 842 .data = &samsung_ltn101nt05, 843 }, { 844 /* sentinel */ 845 } 846 }; 847 MODULE_DEVICE_TABLE(of, platform_of_match); 848 849 static int panel_simple_platform_probe(struct platform_device *pdev) 850 { 851 const struct of_device_id *id; 852 853 id = of_match_node(platform_of_match, pdev->dev.of_node); 854 if (!id) 855 return -ENODEV; 856 857 return panel_simple_probe(&pdev->dev, id->data); 858 } 859 860 static int panel_simple_platform_remove(struct platform_device *pdev) 861 { 862 return panel_simple_remove(&pdev->dev); 863 } 864 865 static void panel_simple_platform_shutdown(struct platform_device *pdev) 866 { 867 panel_simple_shutdown(&pdev->dev); 868 } 869 870 static struct platform_driver panel_simple_platform_driver = { 871 .driver = { 872 .name = "panel-simple", 873 .of_match_table = platform_of_match, 874 }, 875 .probe = panel_simple_platform_probe, 876 .remove = panel_simple_platform_remove, 877 .shutdown = panel_simple_platform_shutdown, 878 }; 879 880 struct panel_desc_dsi { 881 struct panel_desc desc; 882 883 unsigned long flags; 884 enum mipi_dsi_pixel_format format; 885 unsigned int lanes; 886 }; 887 888 static const struct drm_display_mode lg_ld070wx3_sl01_mode = { 889 .clock = 71000, 890 .hdisplay = 800, 891 .hsync_start = 800 + 32, 892 .hsync_end = 800 + 32 + 1, 893 .htotal = 800 + 32 + 1 + 57, 894 .vdisplay = 1280, 895 .vsync_start = 1280 + 28, 896 .vsync_end = 1280 + 28 + 1, 897 .vtotal = 1280 + 28 + 1 + 14, 898 .vrefresh = 60, 899 }; 900 901 static const struct panel_desc_dsi lg_ld070wx3_sl01 = { 902 .desc = { 903 .modes = &lg_ld070wx3_sl01_mode, 904 .num_modes = 1, 905 .bpc = 8, 906 .size = { 907 .width = 94, 908 .height = 151, 909 }, 910 }, 911 .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS, 912 .format = MIPI_DSI_FMT_RGB888, 913 .lanes = 4, 914 }; 915 916 static const struct drm_display_mode lg_lh500wx1_sd03_mode = { 917 .clock = 67000, 918 .hdisplay = 720, 919 .hsync_start = 720 + 12, 920 .hsync_end = 720 + 12 + 4, 921 .htotal = 720 + 12 + 4 + 112, 922 .vdisplay = 1280, 923 .vsync_start = 1280 + 8, 924 .vsync_end = 1280 + 8 + 4, 925 .vtotal = 1280 + 8 + 4 + 12, 926 .vrefresh = 60, 927 }; 928 929 static const struct panel_desc_dsi lg_lh500wx1_sd03 = { 930 .desc = { 931 .modes = &lg_lh500wx1_sd03_mode, 932 .num_modes = 1, 933 .bpc = 8, 934 .size = { 935 .width = 62, 936 .height = 110, 937 }, 938 }, 939 .flags = MIPI_DSI_MODE_VIDEO, 940 .format = MIPI_DSI_FMT_RGB888, 941 .lanes = 4, 942 }; 943 944 static const struct drm_display_mode panasonic_vvx10f004b00_mode = { 945 .clock = 157200, 946 .hdisplay = 1920, 947 .hsync_start = 1920 + 154, 948 .hsync_end = 1920 + 154 + 16, 949 .htotal = 1920 + 154 + 16 + 32, 950 .vdisplay = 1200, 951 .vsync_start = 1200 + 17, 952 .vsync_end = 1200 + 17 + 2, 953 .vtotal = 1200 + 17 + 2 + 16, 954 .vrefresh = 60, 955 }; 956 957 static const struct panel_desc_dsi panasonic_vvx10f004b00 = { 958 .desc = { 959 .modes = &panasonic_vvx10f004b00_mode, 960 .num_modes = 1, 961 .bpc = 8, 962 .size = { 963 .width = 217, 964 .height = 136, 965 }, 966 }, 967 .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | 968 MIPI_DSI_CLOCK_NON_CONTINUOUS, 969 .format = MIPI_DSI_FMT_RGB888, 970 .lanes = 4, 971 }; 972 973 static const struct of_device_id dsi_of_match[] = { 974 { 975 .compatible = "lg,ld070wx3-sl01", 976 .data = &lg_ld070wx3_sl01 977 }, { 978 .compatible = "lg,lh500wx1-sd03", 979 .data = &lg_lh500wx1_sd03 980 }, { 981 .compatible = "panasonic,vvx10f004b00", 982 .data = &panasonic_vvx10f004b00 983 }, { 984 /* sentinel */ 985 } 986 }; 987 MODULE_DEVICE_TABLE(of, dsi_of_match); 988 989 static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) 990 { 991 const struct panel_desc_dsi *desc; 992 const struct of_device_id *id; 993 int err; 994 995 id = of_match_node(dsi_of_match, dsi->dev.of_node); 996 if (!id) 997 return -ENODEV; 998 999 desc = id->data; 1000 1001 err = panel_simple_probe(&dsi->dev, &desc->desc); 1002 if (err < 0) 1003 return err; 1004 1005 dsi->mode_flags = desc->flags; 1006 dsi->format = desc->format; 1007 dsi->lanes = desc->lanes; 1008 1009 return mipi_dsi_attach(dsi); 1010 } 1011 1012 static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) 1013 { 1014 int err; 1015 1016 err = mipi_dsi_detach(dsi); 1017 if (err < 0) 1018 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); 1019 1020 return panel_simple_remove(&dsi->dev); 1021 } 1022 1023 static void panel_simple_dsi_shutdown(struct mipi_dsi_device *dsi) 1024 { 1025 panel_simple_shutdown(&dsi->dev); 1026 } 1027 1028 static struct mipi_dsi_driver panel_simple_dsi_driver = { 1029 .driver = { 1030 .name = "panel-simple-dsi", 1031 .of_match_table = dsi_of_match, 1032 }, 1033 .probe = panel_simple_dsi_probe, 1034 .remove = panel_simple_dsi_remove, 1035 .shutdown = panel_simple_dsi_shutdown, 1036 }; 1037 1038 static int __init panel_simple_init(void) 1039 { 1040 int err; 1041 1042 err = platform_driver_register(&panel_simple_platform_driver); 1043 if (err < 0) 1044 return err; 1045 1046 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) { 1047 err = mipi_dsi_driver_register(&panel_simple_dsi_driver); 1048 if (err < 0) 1049 return err; 1050 } 1051 1052 return 0; 1053 } 1054 module_init(panel_simple_init); 1055 1056 static void __exit panel_simple_exit(void) 1057 { 1058 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) 1059 mipi_dsi_driver_unregister(&panel_simple_dsi_driver); 1060 1061 platform_driver_unregister(&panel_simple_platform_driver); 1062 } 1063 module_exit(panel_simple_exit); 1064 1065 MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>"); 1066 MODULE_DESCRIPTION("DRM Driver for Simple Panels"); 1067 MODULE_LICENSE("GPL and additional rights"); 1068