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