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 #include <video/display_timing.h>
  37 #include <video/videomode.h>
  38
  39 struct panel_desc {
  40         const struct drm_display_mode *modes;
  41         unsigned int num_modes;
  42         const struct display_timing *timings;
  43         unsigned int num_timings;
  44
  45         unsigned int bpc;
  46
  47         struct {
  48                 unsigned int width;
  49                 unsigned int height;
  50         } size;
  51
  52         /**
  53          * @prepare: the time (in milliseconds) that it takes for the panel to
  54          *           become ready and start receiving video data
  55          * @enable: the time (in milliseconds) that it takes for the panel to
  56          *          display the first valid frame after starting to receive
  57          *          video data
  58          * @disable: the time (in milliseconds) that it takes for the panel to
  59          *           turn the display off (no content is visible)
  60          * @unprepare: the time (in milliseconds) that it takes for the panel
  61          *             to power itself down completely
  62          */
  63         struct {
  64                 unsigned int prepare;
  65                 unsigned int enable;
  66                 unsigned int disable;
  67                 unsigned int unprepare;
  68         } delay;
  69
  70         u32 bus_format;
  71 };
  72
  73 struct panel_simple {
  74         struct drm_panel base;
  75         bool prepared;
  76         bool enabled;
  77
  78         const struct panel_desc *desc;
  79
  80         struct backlight_device *backlight;
  81         struct regulator *supply;
  82         struct i2c_adapter *ddc;
  83
  84         struct gpio_desc *enable_gpio;
  85 };
  86
  87 static inline struct panel_simple *to_panel_simple(struct drm_panel *panel)
  88 {
  89         return container_of(panel, struct panel_simple, base);
  90 }
  91
  92 static int panel_simple_get_fixed_modes(struct panel_simple *panel)
  93 {
  94         struct drm_connector *connector = panel->base.connector;
  95         struct drm_device *drm = panel->base.drm;
  96         struct drm_display_mode *mode;
  97         unsigned int i, num = 0;
  98
  99         if (!panel->desc)
 100                 return 0;
 101
 102         for (i = 0; i < panel->desc->num_timings; i++) {
 103                 const struct display_timing *dt = &panel->desc->timings[i];
 104                 struct videomode vm;
 105
 106                 videomode_from_timing(dt, &vm);
 107                 mode = drm_mode_create(drm);
 108                 if (!mode) {
 109                         dev_err(drm->dev, "failed to add mode %ux%u\n",
 110                                 dt->hactive.typ, dt->vactive.typ);
 111                         continue;
 112                 }
 113
 114                 drm_display_mode_from_videomode(&vm, mode);
 115                 drm_mode_set_name(mode);
 116
 117                 drm_mode_probed_add(connector, mode);
 118                 num++;
 119         }
 120
 121         for (i = 0; i < panel->desc->num_modes; i++) {
 122                 const struct drm_display_mode *m = &panel->desc->modes[i];
 123
 124                 mode = drm_mode_duplicate(drm, m);
 125                 if (!mode) {
 126                         dev_err(drm->dev, "failed to add mode %ux%u@%u\n",
 127                                 m->hdisplay, m->vdisplay, m->vrefresh);
 128                         continue;
 129                 }
 130
 131                 drm_mode_set_name(mode);
 132
 133                 drm_mode_probed_add(connector, mode);
 134                 num++;
 135         }
 136
 137         connector->display_info.bpc = panel->desc->bpc;
 138         connector->display_info.width_mm = panel->desc->size.width;
 139         connector->display_info.height_mm = panel->desc->size.height;
 140         if (panel->desc->bus_format)
 141                 drm_display_info_set_bus_formats(&connector->display_info,
 142                                                  &panel->desc->bus_format, 1);
 143
 144         return num;
 145 }
 146
 147 static int panel_simple_disable(struct drm_panel *panel)
 148 {
 149         struct panel_simple *p = to_panel_simple(panel);
 150
 151         if (!p->enabled)
 152                 return 0;
 153
 154         if (p->backlight) {
 155                 p->backlight->props.power = FB_BLANK_POWERDOWN;
 156                 backlight_update_status(p->backlight);
 157         }
 158
 159         if (p->desc->delay.disable)
 160                 msleep(p->desc->delay.disable);
 161
 162         p->enabled = false;
 163
 164         return 0;
 165 }
 166
 167 static int panel_simple_unprepare(struct drm_panel *panel)
 168 {
 169         struct panel_simple *p = to_panel_simple(panel);
 170
 171         if (!p->prepared)
 172                 return 0;
 173
 174         if (p->enable_gpio)
 175                 gpiod_set_value_cansleep(p->enable_gpio, 0);
 176
 177         regulator_disable(p->supply);
 178
 179         if (p->desc->delay.unprepare)
 180                 msleep(p->desc->delay.unprepare);
 181
 182         p->prepared = false;
 183
 184         return 0;
 185 }
 186
 187 static int panel_simple_prepare(struct drm_panel *panel)
 188 {
 189         struct panel_simple *p = to_panel_simple(panel);
 190         int err;
 191
 192         if (p->prepared)
 193                 return 0;
 194
 195         err = regulator_enable(p->supply);
 196         if (err < 0) {
 197                 dev_err(panel->dev, "failed to enable supply: %d\n", err);
 198                 return err;
 199         }
 200
 201         if (p->enable_gpio)
 202                 gpiod_set_value_cansleep(p->enable_gpio, 1);
 203
 204         if (p->desc->delay.prepare)
 205                 msleep(p->desc->delay.prepare);
 206
 207         p->prepared = true;
 208
 209         return 0;
 210 }
 211
 212 static int panel_simple_enable(struct drm_panel *panel)
 213 {
 214         struct panel_simple *p = to_panel_simple(panel);
 215
 216         if (p->enabled)
 217                 return 0;
 218
 219         if (p->desc->delay.enable)
 220                 msleep(p->desc->delay.enable);
 221
 222         if (p->backlight) {
 223                 p->backlight->props.power = FB_BLANK_UNBLANK;
 224                 backlight_update_status(p->backlight);
 225         }
 226
 227         p->enabled = true;
 228
 229         return 0;
 230 }
 231
 232 static int panel_simple_get_modes(struct drm_panel *panel)
 233 {
 234         struct panel_simple *p = to_panel_simple(panel);
 235         int num = 0;
 236
 237         /* probe EDID if a DDC bus is available */
 238         if (p->ddc) {
 239                 struct edid *edid = drm_get_edid(panel->connector, p->ddc);
 240                 drm_mode_connector_update_edid_property(panel->connector, edid);
 241                 if (edid) {
 242                         num += drm_add_edid_modes(panel->connector, edid);
 243                         kfree(edid);
 244                 }
 245         }
 246
 247         /* add hard-coded panel modes */
 248         num += panel_simple_get_fixed_modes(p);
 249
 250         return num;
 251 }
 252
 253 static int panel_simple_get_timings(struct drm_panel *panel,
 254                                     unsigned int num_timings,
 255                                     struct display_timing *timings)
 256 {
 257         struct panel_simple *p = to_panel_simple(panel);
 258         unsigned int i;
 259
 260         if (p->desc->num_timings < num_timings)
 261                 num_timings = p->desc->num_timings;
 262
 263         if (timings)
 264                 for (i = 0; i < num_timings; i++)
 265                         timings[i] = p->desc->timings[i];
 266
 267         return p->desc->num_timings;
 268 }
 269
 270 static const struct drm_panel_funcs panel_simple_funcs = {
 271         .disable = panel_simple_disable,
 272         .unprepare = panel_simple_unprepare,
 273         .prepare = panel_simple_prepare,
 274         .enable = panel_simple_enable,
 275         .get_modes = panel_simple_get_modes,
 276         .get_timings = panel_simple_get_timings,
 277 };
 278
 279 static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 280 {
 281         struct device_node *backlight, *ddc;
 282         struct panel_simple *panel;
 283         int err;
 284
 285         panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
 286         if (!panel)
 287                 return -ENOMEM;
 288
 289         panel->enabled = false;
 290         panel->prepared = false;
 291         panel->desc = desc;
 292
 293         panel->supply = devm_regulator_get(dev, "power");
 294         if (IS_ERR(panel->supply))
 295                 return PTR_ERR(panel->supply);
 296
 297         panel->enable_gpio = devm_gpiod_get_optional(dev, "enable",
 298                                                      GPIOD_OUT_LOW);
 299         if (IS_ERR(panel->enable_gpio)) {
 300                 err = PTR_ERR(panel->enable_gpio);
 301                 dev_err(dev, "failed to request GPIO: %d\n", err);
 302                 return err;
 303         }
 304
 305         backlight = of_parse_phandle(dev->of_node, "backlight", 0);
 306         if (backlight) {
 307                 panel->backlight = of_find_backlight_by_node(backlight);
 308                 of_node_put(backlight);
 309
 310                 if (!panel->backlight)
 311                         return -EPROBE_DEFER;
 312         }
 313
 314         ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0);
 315         if (ddc) {
 316                 panel->ddc = of_find_i2c_adapter_by_node(ddc);
 317                 of_node_put(ddc);
 318
 319                 if (!panel->ddc) {
 320                         err = -EPROBE_DEFER;
 321                         goto free_backlight;
 322                 }
 323         }
 324
 325         drm_panel_init(&panel->base);
 326         panel->base.dev = dev;
 327         panel->base.funcs = &panel_simple_funcs;
 328
 329         err = drm_panel_add(&panel->base);
 330         if (err < 0)
 331                 goto free_ddc;
 332
 333         dev_set_drvdata(dev, panel);
 334
 335         return 0;
 336
 337 free_ddc:
 338         if (panel->ddc)
 339                 put_device(&panel->ddc->dev);
 340 free_backlight:
 341         if (panel->backlight)
 342                 put_device(&panel->backlight->dev);
 343
 344         return err;
 345 }
 346
 347 static int panel_simple_remove(struct device *dev)
 348 {
 349         struct panel_simple *panel = dev_get_drvdata(dev);
 350
 351         drm_panel_detach(&panel->base);
 352         drm_panel_remove(&panel->base);
 353
 354         panel_simple_disable(&panel->base);
 355
 356         if (panel->ddc)
 357                 put_device(&panel->ddc->dev);
 358
 359         if (panel->backlight)
 360                 put_device(&panel->backlight->dev);
 361
 362         return 0;
 363 }
 364
 365 static void panel_simple_shutdown(struct device *dev)
 366 {
 367         struct panel_simple *panel = dev_get_drvdata(dev);
 368
 369         panel_simple_disable(&panel->base);
 370 }
 371
 372 static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = {
 373         .clock = 33333,
 374         .hdisplay = 800,
 375         .hsync_start = 800 + 0,
 376         .hsync_end = 800 + 0 + 255,
 377         .htotal = 800 + 0 + 255 + 0,
 378         .vdisplay = 480,
 379         .vsync_start = 480 + 2,
 380         .vsync_end = 480 + 2 + 45,
 381         .vtotal = 480 + 2 + 45 + 0,
 382         .vrefresh = 60,
 383         .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
 384 };
 385
 386 static const struct panel_desc ampire_am800480r3tmqwa1h = {
 387         .modes = &ampire_am800480r3tmqwa1h_mode,
 388         .num_modes = 1,
 389         .bpc = 6,
 390         .size = {
 391                 .width = 152,
 392                 .height = 91,
 393         },
 394         .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 395 };
 396
 397 static const struct drm_display_mode auo_b101aw03_mode = {
 398         .clock = 51450,
 399         .hdisplay = 1024,
 400         .hsync_start = 1024 + 156,
 401         .hsync_end = 1024 + 156 + 8,
 402         .htotal = 1024 + 156 + 8 + 156,
 403         .vdisplay = 600,
 404         .vsync_start = 600 + 16,
 405         .vsync_end = 600 + 16 + 6,
 406         .vtotal = 600 + 16 + 6 + 16,
 407         .vrefresh = 60,
 408 };
 409
 410 static const struct panel_desc auo_b101aw03 = {
 411         .modes = &auo_b101aw03_mode,
 412         .num_modes = 1,
 413         .bpc = 6,
 414         .size = {
 415                 .width = 223,
 416                 .height = 125,
 417         },
 418 };
 419
 420 static const struct drm_display_mode auo_b101ean01_mode = {
 421         .clock = 72500,
 422         .hdisplay = 1280,
 423         .hsync_start = 1280 + 119,
 424         .hsync_end = 1280 + 119 + 32,
 425         .htotal = 1280 + 119 + 32 + 21,
 426         .vdisplay = 800,
 427         .vsync_start = 800 + 4,
 428         .vsync_end = 800 + 4 + 20,
 429         .vtotal = 800 + 4 + 20 + 8,
 430         .vrefresh = 60,
 431 };
 432
 433 static const struct panel_desc auo_b101ean01 = {
 434         .modes = &auo_b101ean01_mode,
 435         .num_modes = 1,
 436         .bpc = 6,
 437         .size = {
 438                 .width = 217,
 439                 .height = 136,
 440         },
 441 };
 442
 443 static const struct drm_display_mode auo_b101xtn01_mode = {
 444         .clock = 72000,
 445         .hdisplay = 1366,
 446         .hsync_start = 1366 + 20,
 447         .hsync_end = 1366 + 20 + 70,
 448         .htotal = 1366 + 20 + 70,
 449         .vdisplay = 768,
 450         .vsync_start = 768 + 14,
 451         .vsync_end = 768 + 14 + 42,
 452         .vtotal = 768 + 14 + 42,
 453         .vrefresh = 60,
 454         .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
 455 };
 456
 457 static const struct panel_desc auo_b101xtn01 = {
 458         .modes = &auo_b101xtn01_mode,
 459         .num_modes = 1,
 460         .bpc = 6,
 461         .size = {
 462                 .width = 223,
 463                 .height = 125,
 464         },
 465 };
 466
 467 static const struct drm_display_mode auo_b116xw03_mode = {
 468         .clock = 70589,
 469         .hdisplay = 1366,
 470         .hsync_start = 1366 + 40,
 471         .hsync_end = 1366 + 40 + 40,
 472         .htotal = 1366 + 40 + 40 + 32,
 473         .vdisplay = 768,
 474         .vsync_start = 768 + 10,
 475         .vsync_end = 768 + 10 + 12,
 476         .vtotal = 768 + 10 + 12 + 6,
 477         .vrefresh = 60,
 478 };
 479
 480 static const struct panel_desc auo_b116xw03 = {
 481         .modes = &auo_b116xw03_mode,
 482         .num_modes = 1,
 483         .bpc = 6,
 484         .size = {
 485                 .width = 256,
 486                 .height = 144,
 487         },
 488 };
 489
 490 static const struct drm_display_mode auo_b133xtn01_mode = {
 491         .clock = 69500,
 492         .hdisplay = 1366,
 493         .hsync_start = 1366 + 48,
 494         .hsync_end = 1366 + 48 + 32,
 495         .htotal = 1366 + 48 + 32 + 20,
 496         .vdisplay = 768,
 497         .vsync_start = 768 + 3,
 498         .vsync_end = 768 + 3 + 6,
 499         .vtotal = 768 + 3 + 6 + 13,
 500         .vrefresh = 60,
 501 };
 502
 503 static const struct panel_desc auo_b133xtn01 = {
 504         .modes = &auo_b133xtn01_mode,
 505         .num_modes = 1,
 506         .bpc = 6,
 507         .size = {
 508                 .width = 293,
 509                 .height = 165,
 510         },
 511 };
 512
 513 static const struct drm_display_mode auo_b133htn01_mode = {
 514         .clock = 150660,
 515         .hdisplay = 1920,
 516         .hsync_start = 1920 + 172,
 517         .hsync_end = 1920 + 172 + 80,
 518         .htotal = 1920 + 172 + 80 + 60,
 519         .vdisplay = 1080,
 520         .vsync_start = 1080 + 25,
 521         .vsync_end = 1080 + 25 + 10,
 522         .vtotal = 1080 + 25 + 10 + 10,
 523         .vrefresh = 60,
 524 };
 525
 526 static const struct panel_desc auo_b133htn01 = {
 527         .modes = &auo_b133htn01_mode,
 528         .num_modes = 1,
 529         .bpc = 6,
 530         .size = {
 531                 .width = 293,
 532                 .height = 165,
 533         },
 534         .delay = {
 535                 .prepare = 105,
 536                 .enable = 20,
 537                 .unprepare = 50,
 538         },
 539 };
 540
 541 static const struct drm_display_mode avic_tm070ddh03_mode = {
 542         .clock = 51200,
 543         .hdisplay = 1024,
 544         .hsync_start = 1024 + 160,
 545         .hsync_end = 1024 + 160 + 4,
 546         .htotal = 1024 + 160 + 4 + 156,
 547         .vdisplay = 600,
 548         .vsync_start = 600 + 17,
 549         .vsync_end = 600 + 17 + 1,
 550         .vtotal = 600 + 17 + 1 + 17,
 551         .vrefresh = 60,
 552 };
 553
 554 static const struct panel_desc avic_tm070ddh03 = {
 555         .modes = &avic_tm070ddh03_mode,
 556         .num_modes = 1,
 557         .bpc = 8,
 558         .size = {
 559                 .width = 154,
 560                 .height = 90,
 561         },
 562         .delay = {
 563                 .prepare = 20,
 564                 .enable = 200,
 565                 .disable = 200,
 566         },
 567 };
 568
 569 static const struct drm_display_mode chunghwa_claa101wa01a_mode = {
 570         .clock = 72070,
 571         .hdisplay = 1366,
 572         .hsync_start = 1366 + 58,
 573         .hsync_end = 1366 + 58 + 58,
 574         .htotal = 1366 + 58 + 58 + 58,
 575         .vdisplay = 768,
 576         .vsync_start = 768 + 4,
 577         .vsync_end = 768 + 4 + 4,
 578         .vtotal = 768 + 4 + 4 + 4,
 579         .vrefresh = 60,
 580 };
 581
 582 static const struct panel_desc chunghwa_claa101wa01a = {
 583         .modes = &chunghwa_claa101wa01a_mode,
 584         .num_modes = 1,
 585         .bpc = 6,
 586         .size = {
 587                 .width = 220,
 588                 .height = 120,
 589         },
 590 };
 591
 592 static const struct drm_display_mode chunghwa_claa101wb01_mode = {
 593         .clock = 69300,
 594         .hdisplay = 1366,
 595         .hsync_start = 1366 + 48,
 596         .hsync_end = 1366 + 48 + 32,
 597         .htotal = 1366 + 48 + 32 + 20,
 598         .vdisplay = 768,
 599         .vsync_start = 768 + 16,
 600         .vsync_end = 768 + 16 + 8,
 601         .vtotal = 768 + 16 + 8 + 16,
 602         .vrefresh = 60,
 603 };
 604
 605 static const struct panel_desc chunghwa_claa101wb01 = {
 606         .modes = &chunghwa_claa101wb01_mode,
 607         .num_modes = 1,
 608         .bpc = 6,
 609         .size = {
 610                 .width = 223,
 611                 .height = 125,
 612         },
 613 };
 614
 615 static const struct drm_display_mode edt_et057090dhu_mode = {
 616         .clock = 25175,
 617         .hdisplay = 640,
 618         .hsync_start = 640 + 16,
 619         .hsync_end = 640 + 16 + 30,
 620         .htotal = 640 + 16 + 30 + 114,
 621         .vdisplay = 480,
 622         .vsync_start = 480 + 10,
 623         .vsync_end = 480 + 10 + 3,
 624         .vtotal = 480 + 10 + 3 + 32,
 625         .vrefresh = 60,
 626         .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
 627 };
 628
 629 static const struct panel_desc edt_et057090dhu = {
 630         .modes = &edt_et057090dhu_mode,
 631         .num_modes = 1,
 632         .bpc = 6,
 633         .size = {
 634                 .width = 115,
 635                 .height = 86,
 636         },
 637 };
 638
 639 static const struct drm_display_mode edt_etm0700g0dh6_mode = {
 640         .clock = 33260,
 641         .hdisplay = 800,
 642         .hsync_start = 800 + 40,
 643         .hsync_end = 800 + 40 + 128,
 644         .htotal = 800 + 40 + 128 + 88,
 645         .vdisplay = 480,
 646         .vsync_start = 480 + 10,
 647         .vsync_end = 480 + 10 + 2,
 648         .vtotal = 480 + 10 + 2 + 33,
 649         .vrefresh = 60,
 650         .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
 651 };
 652
 653 static const struct panel_desc edt_etm0700g0dh6 = {
 654         .modes = &edt_etm0700g0dh6_mode,
 655         .num_modes = 1,
 656         .bpc = 6,
 657         .size = {
 658                 .width = 152,
 659                 .height = 91,
 660         },
 661 };
 662
 663 static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = {
 664         .clock = 32260,
 665         .hdisplay = 800,
 666         .hsync_start = 800 + 168,
 667         .hsync_end = 800 + 168 + 64,
 668         .htotal = 800 + 168 + 64 + 88,
 669         .vdisplay = 480,
 670         .vsync_start = 480 + 37,
 671         .vsync_end = 480 + 37 + 2,
 672         .vtotal = 480 + 37 + 2 + 8,
 673         .vrefresh = 60,
 674 };
 675
 676 static const struct panel_desc foxlink_fl500wvr00_a0t = {
 677         .modes = &foxlink_fl500wvr00_a0t_mode,
 678         .num_modes = 1,
 679         .bpc = 8,
 680         .size = {
 681                 .width = 108,
 682                 .height = 65,
 683         },
 684         .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 685 };
 686
 687 static const struct drm_display_mode giantplus_gpg482739qs5_mode = {
 688         .clock = 9000,
 689         .hdisplay = 480,
 690         .hsync_start = 480 + 5,
 691         .hsync_end = 480 + 5 + 1,
 692         .htotal = 480 + 5 + 1 + 40,
 693         .vdisplay = 272,
 694         .vsync_start = 272 + 8,
 695         .vsync_end = 272 + 8 + 1,
 696         .vtotal = 272 + 8 + 1 + 8,
 697         .vrefresh = 60,
 698 };
 699
 700 static const struct panel_desc giantplus_gpg482739qs5 = {
 701         .modes = &giantplus_gpg482739qs5_mode,
 702         .num_modes = 1,
 703         .bpc = 8,
 704         .size = {
 705                 .width = 95,
 706                 .height = 54,
 707         },
 708         .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 709 };
 710
 711 static const struct display_timing hannstar_hsd070pww1_timing = {
 712         .pixelclock = { 64300000, 71100000, 82000000 },
 713         .hactive = { 1280, 1280, 1280 },
 714         .hfront_porch = { 1, 1, 10 },
 715         .hback_porch = { 1, 1, 10 },
 716         .hsync_len = { 52, 158, 661 },
 717         .vactive = { 800, 800, 800 },
 718         .vfront_porch = { 1, 1, 10 },
 719         .vback_porch = { 1, 1, 10 },
 720         .vsync_len = { 1, 21, 203 },
 721         .flags = DISPLAY_FLAGS_DE_HIGH,
 722 };
 723
 724 static const struct panel_desc hannstar_hsd070pww1 = {
 725         .timings = &hannstar_hsd070pww1_timing,
 726         .num_timings = 1,
 727         .bpc = 6,
 728         .size = {
 729                 .width = 151,
 730                 .height = 94,
 731         },
 732 };
 733
 734 static const struct display_timing hannstar_hsd100pxn1_timing = {
 735         .pixelclock = { 55000000, 65000000, 75000000 },
 736         .hactive = { 1024, 1024, 1024 },
 737         .hfront_porch = { 40, 40, 40 },
 738         .hback_porch = { 220, 220, 220 },
 739         .hsync_len = { 20, 60, 100 },
 740         .vactive = { 768, 768, 768 },
 741         .vfront_porch = { 7, 7, 7 },
 742         .vback_porch = { 21, 21, 21 },
 743         .vsync_len = { 10, 10, 10 },
 744         .flags = DISPLAY_FLAGS_DE_HIGH,
 745 };
 746
 747 static const struct panel_desc hannstar_hsd100pxn1 = {
 748         .timings = &hannstar_hsd100pxn1_timing,
 749         .num_timings = 1,
 750         .bpc = 6,
 751         .size = {
 752                 .width = 203,
 753                 .height = 152,
 754         },
 755         .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
 756 };
 757
 758 static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = {
 759         .clock = 33333,
 760         .hdisplay = 800,
 761         .hsync_start = 800 + 85,
 762         .hsync_end = 800 + 85 + 86,
 763         .htotal = 800 + 85 + 86 + 85,
 764         .vdisplay = 480,
 765         .vsync_start = 480 + 16,
 766         .vsync_end = 480 + 16 + 13,
 767         .vtotal = 480 + 16 + 13 + 16,
 768         .vrefresh = 60,
 769 };
 770
 771 static const struct panel_desc hitachi_tx23d38vm0caa = {
 772         .modes = &hitachi_tx23d38vm0caa_mode,
 773         .num_modes = 1,
 774         .bpc = 6,
 775         .size = {
 776                 .width = 195,
 777                 .height = 117,
 778         },
 779 };
 780
 781 static const struct drm_display_mode innolux_at043tn24_mode = {
 782         .clock = 9000,
 783         .hdisplay = 480,
 784         .hsync_start = 480 + 2,
 785         .hsync_end = 480 + 2 + 41,
 786         .htotal = 480 + 2 + 41 + 2,
 787         .vdisplay = 272,
 788         .vsync_start = 272 + 2,
 789         .vsync_end = 272 + 2 + 11,
 790         .vtotal = 272 + 2 + 11 + 2,
 791         .vrefresh = 60,
 792         .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
 793 };
 794
 795 static const struct panel_desc innolux_at043tn24 = {
 796         .modes = &innolux_at043tn24_mode,
 797         .num_modes = 1,
 798         .bpc = 8,
 799         .size = {
 800                 .width = 95,
 801                 .height = 54,
 802         },
 803         .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 804 };
 805
 806 static const struct drm_display_mode innolux_g121i1_l01_mode = {
 807         .clock = 71000,
 808         .hdisplay = 1280,
 809         .hsync_start = 1280 + 64,
 810         .hsync_end = 1280 + 64 + 32,
 811         .htotal = 1280 + 64 + 32 + 64,
 812         .vdisplay = 800,
 813         .vsync_start = 800 + 9,
 814         .vsync_end = 800 + 9 + 6,
 815         .vtotal = 800 + 9 + 6 + 9,
 816         .vrefresh = 60,
 817 };
 818
 819 static const struct panel_desc innolux_g121i1_l01 = {
 820         .modes = &innolux_g121i1_l01_mode,
 821         .num_modes = 1,
 822         .bpc = 6,
 823         .size = {
 824                 .width = 261,
 825                 .height = 163,
 826         },
 827 };
 828
 829 static const struct drm_display_mode innolux_n116bge_mode = {
 830         .clock = 76420,
 831         .hdisplay = 1366,
 832         .hsync_start = 1366 + 136,
 833         .hsync_end = 1366 + 136 + 30,
 834         .htotal = 1366 + 136 + 30 + 60,
 835         .vdisplay = 768,
 836         .vsync_start = 768 + 8,
 837         .vsync_end = 768 + 8 + 12,
 838         .vtotal = 768 + 8 + 12 + 12,
 839         .vrefresh = 60,
 840         .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
 841 };
 842
 843 static const struct panel_desc innolux_n116bge = {
 844         .modes = &innolux_n116bge_mode,
 845         .num_modes = 1,
 846         .bpc = 6,
 847         .size = {
 848                 .width = 256,
 849                 .height = 144,
 850         },
 851 };
 852
 853 static const struct drm_display_mode innolux_n156bge_l21_mode = {
 854         .clock = 69300,
 855         .hdisplay = 1366,
 856         .hsync_start = 1366 + 16,
 857         .hsync_end = 1366 + 16 + 34,
 858         .htotal = 1366 + 16 + 34 + 50,
 859         .vdisplay = 768,
 860         .vsync_start = 768 + 2,
 861         .vsync_end = 768 + 2 + 6,
 862         .vtotal = 768 + 2 + 6 + 12,
 863         .vrefresh = 60,
 864 };
 865
 866 static const struct panel_desc innolux_n156bge_l21 = {
 867         .modes = &innolux_n156bge_l21_mode,
 868         .num_modes = 1,
 869         .bpc = 6,
 870         .size = {
 871                 .width = 344,
 872                 .height = 193,
 873         },
 874 };
 875
 876 static const struct drm_display_mode innolux_zj070na_01p_mode = {
 877         .clock = 51501,
 878         .hdisplay = 1024,
 879         .hsync_start = 1024 + 128,
 880         .hsync_end = 1024 + 128 + 64,
 881         .htotal = 1024 + 128 + 64 + 128,
 882         .vdisplay = 600,
 883         .vsync_start = 600 + 16,
 884         .vsync_end = 600 + 16 + 4,
 885         .vtotal = 600 + 16 + 4 + 16,
 886         .vrefresh = 60,
 887 };
 888
 889 static const struct panel_desc innolux_zj070na_01p = {
 890         .modes = &innolux_zj070na_01p_mode,
 891         .num_modes = 1,
 892         .bpc = 6,
 893         .size = {
 894                 .width = 1024,
 895                 .height = 600,
 896         },
 897 };
 898
 899 static const struct drm_display_mode lg_lb070wv8_mode = {
 900         .clock = 33246,
 901         .hdisplay = 800,
 902         .hsync_start = 800 + 88,
 903         .hsync_end = 800 + 88 + 80,
 904         .htotal = 800 + 88 + 80 + 88,
 905         .vdisplay = 480,
 906         .vsync_start = 480 + 10,
 907         .vsync_end = 480 + 10 + 25,
 908         .vtotal = 480 + 10 + 25 + 10,
 909         .vrefresh = 60,
 910 };
 911
 912 static const struct panel_desc lg_lb070wv8 = {
 913         .modes = &lg_lb070wv8_mode,
 914         .num_modes = 1,
 915         .bpc = 16,
 916         .size = {
 917                 .width = 151,
 918                 .height = 91,
 919         },
 920         .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
 921 };
 922
 923 static const struct drm_display_mode lg_lp129qe_mode = {
 924         .clock = 285250,
 925         .hdisplay = 2560,
 926         .hsync_start = 2560 + 48,
 927         .hsync_end = 2560 + 48 + 32,
 928         .htotal = 2560 + 48 + 32 + 80,
 929         .vdisplay = 1700,
 930         .vsync_start = 1700 + 3,
 931         .vsync_end = 1700 + 3 + 10,
 932         .vtotal = 1700 + 3 + 10 + 36,
 933         .vrefresh = 60,
 934 };
 935
 936 static const struct panel_desc lg_lp129qe = {
 937         .modes = &lg_lp129qe_mode,
 938         .num_modes = 1,
 939         .bpc = 8,
 940         .size = {
 941                 .width = 272,
 942                 .height = 181,
 943         },
 944 };
 945
 946 static const struct drm_display_mode ortustech_com43h4m85ulc_mode  = {
 947         .clock = 25000,
 948         .hdisplay = 480,
 949         .hsync_start = 480 + 10,
 950         .hsync_end = 480 + 10 + 10,
 951         .htotal = 480 + 10 + 10 + 15,
 952         .vdisplay = 800,
 953         .vsync_start = 800 + 3,
 954         .vsync_end = 800 + 3 + 3,
 955         .vtotal = 800 + 3 + 3 + 3,
 956         .vrefresh = 60,
 957 };
 958
 959 static const struct panel_desc ortustech_com43h4m85ulc = {
 960         .modes = &ortustech_com43h4m85ulc_mode,
 961         .num_modes = 1,
 962         .bpc = 8,
 963         .size = {
 964                 .width = 56,
 965                 .height = 93,
 966         },
 967         .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 968 };
 969
 970 static const struct drm_display_mode samsung_ltn101nt05_mode = {
 971         .clock = 54030,
 972         .hdisplay = 1024,
 973         .hsync_start = 1024 + 24,
 974         .hsync_end = 1024 + 24 + 136,
 975         .htotal = 1024 + 24 + 136 + 160,
 976         .vdisplay = 600,
 977         .vsync_start = 600 + 3,
 978         .vsync_end = 600 + 3 + 6,
 979         .vtotal = 600 + 3 + 6 + 61,
 980         .vrefresh = 60,
 981 };
 982
 983 static const struct panel_desc samsung_ltn101nt05 = {
 984         .modes = &samsung_ltn101nt05_mode,
 985         .num_modes = 1,
 986         .bpc = 6,
 987         .size = {
 988                 .width = 1024,
 989                 .height = 600,
 990         },
 991 };
 992
 993 static const struct drm_display_mode samsung_ltn140at29_301_mode = {
 994         .clock = 76300,
 995         .hdisplay = 1366,
 996         .hsync_start = 1366 + 64,
 997         .hsync_end = 1366 + 64 + 48,
 998         .htotal = 1366 + 64 + 48 + 128,
 999         .vdisplay = 768,
1000         .vsync_start = 768 + 2,
1001         .vsync_end = 768 + 2 + 5,
1002         .vtotal = 768 + 2 + 5 + 17,
1003         .vrefresh = 60,
1004 };
1005
1006 static const struct panel_desc samsung_ltn140at29_301 = {
1007         .modes = &samsung_ltn140at29_301_mode,
1008         .num_modes = 1,
1009         .bpc = 6,
1010         .size = {
1011                 .width = 320,
1012                 .height = 187,
1013         },
1014 };
1015
1016 static const struct drm_display_mode shelly_sca07010_bfn_lnn_mode = {
1017         .clock = 33300,
1018         .hdisplay = 800,
1019         .hsync_start = 800 + 1,
1020         .hsync_end = 800 + 1 + 64,
1021         .htotal = 800 + 1 + 64 + 64,
1022         .vdisplay = 480,
1023         .vsync_start = 480 + 1,
1024         .vsync_end = 480 + 1 + 23,
1025         .vtotal = 480 + 1 + 23 + 22,
1026         .vrefresh = 60,
1027 };
1028
1029 static const struct panel_desc shelly_sca07010_bfn_lnn = {
1030         .modes = &shelly_sca07010_bfn_lnn_mode,
1031         .num_modes = 1,
1032         .size = {
1033                 .width = 152,
1034                 .height = 91,
1035         },
1036         .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
1037 };
1038
1039 static const struct of_device_id platform_of_match[] = {
1040         {
1041                 .compatible = "ampire,am800480r3tmqwa1h",
1042                 .data = &ampire_am800480r3tmqwa1h,
1043         }, {
1044                 .compatible = "auo,b101aw03",
1045                 .data = &auo_b101aw03,
1046         }, {
1047                 .compatible = "auo,b101ean01",
1048                 .data = &auo_b101ean01,
1049         }, {
1050                 .compatible = "auo,b101xtn01",
1051                 .data = &auo_b101xtn01,
1052         }, {
1053                 .compatible = "auo,b116xw03",
1054                 .data = &auo_b116xw03,
1055         }, {
1056                 .compatible = "auo,b133htn01",
1057                 .data = &auo_b133htn01,
1058         }, {
1059                 .compatible = "auo,b133xtn01",
1060                 .data = &auo_b133xtn01,
1061         }, {
1062                 .compatible = "avic,tm070ddh03",
1063                 .data = &avic_tm070ddh03,
1064         }, {
1065                 .compatible = "chunghwa,claa101wa01a",
1066                 .data = &chunghwa_claa101wa01a
1067         }, {
1068                 .compatible = "chunghwa,claa101wb01",
1069                 .data = &chunghwa_claa101wb01
1070         }, {
1071                 .compatible = "edt,et057090dhu",
1072                 .data = &edt_et057090dhu,
1073         }, {
1074                 .compatible = "edt,et070080dh6",
1075                 .data = &edt_etm0700g0dh6,
1076         }, {
1077                 .compatible = "edt,etm0700g0dh6",
1078                 .data = &edt_etm0700g0dh6,
1079         }, {
1080                 .compatible = "foxlink,fl500wvr00-a0t",
1081                 .data = &foxlink_fl500wvr00_a0t,
1082         }, {
1083                 .compatible = "giantplus,gpg482739qs5",
1084                 .data = &giantplus_gpg482739qs5
1085         }, {
1086                 .compatible = "hannstar,hsd070pww1",
1087                 .data = &hannstar_hsd070pww1,
1088         }, {
1089                 .compatible = "hannstar,hsd100pxn1",
1090                 .data = &hannstar_hsd100pxn1,
1091         }, {
1092                 .compatible = "hit,tx23d38vm0caa",
1093                 .data = &hitachi_tx23d38vm0caa
1094         }, {
1095                 .compatible = "innolux,at043tn24",
1096                 .data = &innolux_at043tn24,
1097         }, {
1098                 .compatible ="innolux,g121i1-l01",
1099                 .data = &innolux_g121i1_l01
1100         }, {
1101                 .compatible = "innolux,n116bge",
1102                 .data = &innolux_n116bge,
1103         }, {
1104                 .compatible = "innolux,n156bge-l21",
1105                 .data = &innolux_n156bge_l21,
1106         }, {
1107                 .compatible = "innolux,zj070na-01p",
1108                 .data = &innolux_zj070na_01p,
1109         }, {
1110                 .compatible = "lg,lb070wv8",
1111                 .data = &lg_lb070wv8,
1112         }, {
1113                 .compatible = "lg,lp129qe",
1114                 .data = &lg_lp129qe,
1115         }, {
1116                 .compatible = "ortustech,com43h4m85ulc",
1117                 .data = &ortustech_com43h4m85ulc,
1118         }, {
1119                 .compatible = "samsung,ltn101nt05",
1120                 .data = &samsung_ltn101nt05,
1121         }, {
1122                 .compatible = "samsung,ltn140at29-301",
1123                 .data = &samsung_ltn140at29_301,
1124         }, {
1125                 .compatible = "shelly,sca07010-bfn-lnn",
1126                 .data = &shelly_sca07010_bfn_lnn,
1127         }, {
1128                 /* sentinel */
1129         }
1130 };
1131 MODULE_DEVICE_TABLE(of, platform_of_match);
1132
1133 static int panel_simple_platform_probe(struct platform_device *pdev)
1134 {
1135         const struct of_device_id *id;
1136
1137         id = of_match_node(platform_of_match, pdev->dev.of_node);
1138         if (!id)
1139                 return -ENODEV;
1140
1141         return panel_simple_probe(&pdev->dev, id->data);
1142 }
1143
1144 static int panel_simple_platform_remove(struct platform_device *pdev)
1145 {
1146         return panel_simple_remove(&pdev->dev);
1147 }
1148
1149 static void panel_simple_platform_shutdown(struct platform_device *pdev)
1150 {
1151         panel_simple_shutdown(&pdev->dev);
1152 }
1153
1154 static struct platform_driver panel_simple_platform_driver = {
1155         .driver = {
1156                 .name = "panel-simple",
1157                 .of_match_table = platform_of_match,
1158         },
1159         .probe = panel_simple_platform_probe,
1160         .remove = panel_simple_platform_remove,
1161         .shutdown = panel_simple_platform_shutdown,
1162 };
1163
1164 struct panel_desc_dsi {
1165         struct panel_desc desc;
1166
1167         unsigned long flags;
1168         enum mipi_dsi_pixel_format format;
1169         unsigned int lanes;
1170 };
1171
1172 static const struct drm_display_mode lg_ld070wx3_sl01_mode = {
1173         .clock = 71000,
1174         .hdisplay = 800,
1175         .hsync_start = 800 + 32,
1176         .hsync_end = 800 + 32 + 1,
1177         .htotal = 800 + 32 + 1 + 57,
1178         .vdisplay = 1280,
1179         .vsync_start = 1280 + 28,
1180         .vsync_end = 1280 + 28 + 1,
1181         .vtotal = 1280 + 28 + 1 + 14,
1182         .vrefresh = 60,
1183 };
1184
1185 static const struct panel_desc_dsi lg_ld070wx3_sl01 = {
1186         .desc = {
1187                 .modes = &lg_ld070wx3_sl01_mode,
1188                 .num_modes = 1,
1189                 .bpc = 8,
1190                 .size = {
1191                         .width = 94,
1192                         .height = 151,
1193                 },
1194         },
1195         .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
1196         .format = MIPI_DSI_FMT_RGB888,
1197         .lanes = 4,
1198 };
1199
1200 static const struct drm_display_mode lg_lh500wx1_sd03_mode = {
1201         .clock = 67000,
1202         .hdisplay = 720,
1203         .hsync_start = 720 + 12,
1204         .hsync_end = 720 + 12 + 4,
1205         .htotal = 720 + 12 + 4 + 112,
1206         .vdisplay = 1280,
1207         .vsync_start = 1280 + 8,
1208         .vsync_end = 1280 + 8 + 4,
1209         .vtotal = 1280 + 8 + 4 + 12,
1210         .vrefresh = 60,
1211 };
1212
1213 static const struct panel_desc_dsi lg_lh500wx1_sd03 = {
1214         .desc = {
1215                 .modes = &lg_lh500wx1_sd03_mode,
1216                 .num_modes = 1,
1217                 .bpc = 8,
1218                 .size = {
1219                         .width = 62,
1220                         .height = 110,
1221                 },
1222         },
1223         .flags = MIPI_DSI_MODE_VIDEO,
1224         .format = MIPI_DSI_FMT_RGB888,
1225         .lanes = 4,
1226 };
1227
1228 static const struct drm_display_mode panasonic_vvx10f004b00_mode = {
1229         .clock = 157200,
1230         .hdisplay = 1920,
1231         .hsync_start = 1920 + 154,
1232         .hsync_end = 1920 + 154 + 16,
1233         .htotal = 1920 + 154 + 16 + 32,
1234         .vdisplay = 1200,
1235         .vsync_start = 1200 + 17,
1236         .vsync_end = 1200 + 17 + 2,
1237         .vtotal = 1200 + 17 + 2 + 16,
1238         .vrefresh = 60,
1239 };
1240
1241 static const struct panel_desc_dsi panasonic_vvx10f004b00 = {
1242         .desc = {
1243                 .modes = &panasonic_vvx10f004b00_mode,
1244                 .num_modes = 1,
1245                 .bpc = 8,
1246                 .size = {
1247                         .width = 217,
1248                         .height = 136,
1249                 },
1250         },
1251         .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
1252                  MIPI_DSI_CLOCK_NON_CONTINUOUS,
1253         .format = MIPI_DSI_FMT_RGB888,
1254         .lanes = 4,
1255 };
1256
1257 static const struct of_device_id dsi_of_match[] = {
1258         {
1259                 .compatible = "lg,ld070wx3-sl01",
1260                 .data = &lg_ld070wx3_sl01
1261         }, {
1262                 .compatible = "lg,lh500wx1-sd03",
1263                 .data = &lg_lh500wx1_sd03
1264         }, {
1265                 .compatible = "panasonic,vvx10f004b00",
1266                 .data = &panasonic_vvx10f004b00
1267         }, {
1268                 /* sentinel */
1269         }
1270 };
1271 MODULE_DEVICE_TABLE(of, dsi_of_match);
1272
1273 static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi)
1274 {
1275         const struct panel_desc_dsi *desc;
1276         const struct of_device_id *id;
1277         int err;
1278
1279         id = of_match_node(dsi_of_match, dsi->dev.of_node);
1280         if (!id)
1281                 return -ENODEV;
1282
1283         desc = id->data;
1284
1285         err = panel_simple_probe(&dsi->dev, &desc->desc);
1286         if (err < 0)
1287                 return err;
1288
1289         dsi->mode_flags = desc->flags;
1290         dsi->format = desc->format;
1291         dsi->lanes = desc->lanes;
1292
1293         return mipi_dsi_attach(dsi);
1294 }
1295
1296 static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi)
1297 {
1298         int err;
1299
1300         err = mipi_dsi_detach(dsi);
1301         if (err < 0)
1302                 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
1303
1304         return panel_simple_remove(&dsi->dev);
1305 }
1306
1307 static void panel_simple_dsi_shutdown(struct mipi_dsi_device *dsi)
1308 {
1309         panel_simple_shutdown(&dsi->dev);
1310 }
1311
1312 static struct mipi_dsi_driver panel_simple_dsi_driver = {
1313         .driver = {
1314                 .name = "panel-simple-dsi",
1315                 .of_match_table = dsi_of_match,
1316         },
1317         .probe = panel_simple_dsi_probe,
1318         .remove = panel_simple_dsi_remove,
1319         .shutdown = panel_simple_dsi_shutdown,
1320 };
1321
1322 static int __init panel_simple_init(void)
1323 {
1324         int err;
1325
1326         err = platform_driver_register(&panel_simple_platform_driver);
1327         if (err < 0)
1328                 return err;
1329
1330         if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) {
1331                 err = mipi_dsi_driver_register(&panel_simple_dsi_driver);
1332                 if (err < 0)
1333                         return err;
1334         }
1335
1336         return 0;
1337 }
1338 module_init(panel_simple_init);
1339
1340 static void __exit panel_simple_exit(void)
1341 {
1342         if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
1343                 mipi_dsi_driver_unregister(&panel_simple_dsi_driver);
1344
1345         platform_driver_unregister(&panel_simple_platform_driver);
1346 }
1347 module_exit(panel_simple_exit);
1348
1349 MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
1350 MODULE_DESCRIPTION("DRM Driver for Simple Panels");
1351 MODULE_LICENSE("GPL and additional rights");