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
  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");