drivers/gpu/drm/panel/panel-simple.c

   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");