drivers/gpu/drm/panel/panel-boe-himax8279d.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2019, Huaqin Telecom Technology Co., Ltd
   4  *
   5  * Author: Jerry Han <jerry.han.hq@gmail.com>
   6  *
   7  */
   8
   9 #include <linux/delay.h>
  10 #include <linux/kernel.h>
  11 #include <linux/module.h>
  12 #include <linux/of.h>
  13 #include <linux/of_device.h>
  14
  15 #include <linux/gpio/consumer.h>
  16 #include <linux/regulator/consumer.h>
  17
  18 #include <drm/drm_device.h>
  19 #include <drm/drm_mipi_dsi.h>
  20 #include <drm/drm_modes.h>
  21 #include <drm/drm_panel.h>
  22
  23 #include <video/mipi_display.h>
  24
  25 struct panel_cmd {
  26         char cmd;
  27         char data;
  28 };
  29
  30 struct panel_desc {
  31         const struct drm_display_mode *display_mode;
  32         unsigned int bpc;
  33         unsigned int width_mm;
  34         unsigned int height_mm;
  35
  36         unsigned long mode_flags;
  37         enum mipi_dsi_pixel_format format;
  38         unsigned int lanes;
  39         const struct panel_cmd *on_cmds;
  40         unsigned int on_cmds_num;
  41 };
  42
  43 struct panel_info {
  44         struct drm_panel base;
  45         struct mipi_dsi_device *link;
  46         const struct panel_desc *desc;
  47
  48         struct gpio_desc *enable_gpio;
  49         struct gpio_desc *pp33_gpio;
  50         struct gpio_desc *pp18_gpio;
  51
  52         bool prepared;
  53         bool enabled;
  54 };
  55
  56 static inline struct panel_info *to_panel_info(struct drm_panel *panel)
  57 {
  58         return container_of(panel, struct panel_info, base);
  59 }
  60
  61 static void disable_gpios(struct panel_info *pinfo)
  62 {
  63         gpiod_set_value(pinfo->enable_gpio, 0);
  64         gpiod_set_value(pinfo->pp33_gpio, 0);
  65         gpiod_set_value(pinfo->pp18_gpio, 0);
  66 }
  67
  68 static int send_mipi_cmds(struct drm_panel *panel, const struct panel_cmd *cmds)
  69 {
  70         struct panel_info *pinfo = to_panel_info(panel);
  71         unsigned int i = 0;
  72         int err;
  73
  74         for (i = 0; i < pinfo->desc->on_cmds_num; i++) {
  75                 err = mipi_dsi_dcs_write_buffer(pinfo->link, &cmds[i],
  76                                                 sizeof(struct panel_cmd));
  77
  78                 if (err < 0)
  79                         return err;
  80         }
  81
  82         return 0;
  83 }
  84
  85 static int boe_panel_disable(struct drm_panel *panel)
  86 {
  87         struct panel_info *pinfo = to_panel_info(panel);
  88         int err;
  89
  90         if (!pinfo->enabled)
  91                 return 0;
  92
  93         err = mipi_dsi_dcs_set_display_off(pinfo->link);
  94         if (err < 0) {
  95                 dev_err(panel->dev, "failed to set display off: %d\n", err);
  96                 return err;
  97         }
  98
  99         pinfo->enabled = false;
 100
 101         return 0;
 102 }
 103
 104 static int boe_panel_unprepare(struct drm_panel *panel)
 105 {
 106         struct panel_info *pinfo = to_panel_info(panel);
 107         int err;
 108
 109         if (!pinfo->prepared)
 110                 return 0;
 111
 112         err = mipi_dsi_dcs_set_display_off(pinfo->link);
 113         if (err < 0)
 114                 dev_err(panel->dev, "failed to set display off: %d\n", err);
 115
 116         err = mipi_dsi_dcs_enter_sleep_mode(pinfo->link);
 117         if (err < 0)
 118                 dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
 119
 120         /* sleep_mode_delay: 1ms - 2ms */
 121         usleep_range(1000, 2000);
 122
 123         disable_gpios(pinfo);
 124
 125         pinfo->prepared = false;
 126
 127         return 0;
 128 }
 129
 130 static int boe_panel_prepare(struct drm_panel *panel)
 131 {
 132         struct panel_info *pinfo = to_panel_info(panel);
 133         int err;
 134
 135         if (pinfo->prepared)
 136                 return 0;
 137
 138         gpiod_set_value(pinfo->pp18_gpio, 1);
 139         /* T1: 5ms - 6ms */
 140         usleep_range(5000, 6000);
 141         gpiod_set_value(pinfo->pp33_gpio, 1);
 142
 143         /* reset sequence */
 144         /* T2: 14ms - 15ms */
 145         usleep_range(14000, 15000);
 146         gpiod_set_value(pinfo->enable_gpio, 1);
 147
 148         /* T3: 1ms - 2ms */
 149         usleep_range(1000, 2000);
 150         gpiod_set_value(pinfo->enable_gpio, 0);
 151
 152         /* T4: 1ms - 2ms */
 153         usleep_range(1000, 2000);
 154         gpiod_set_value(pinfo->enable_gpio, 1);
 155
 156         /* T5: 5ms - 6ms */
 157         usleep_range(5000, 6000);
 158
 159         /* send init code */
 160         err = send_mipi_cmds(panel, pinfo->desc->on_cmds);
 161         if (err < 0) {
 162                 dev_err(panel->dev, "failed to send DCS Init Code: %d\n", err);
 163                 goto poweroff;
 164         }
 165
 166         err = mipi_dsi_dcs_exit_sleep_mode(pinfo->link);
 167         if (err < 0) {
 168                 dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);
 169                 goto poweroff;
 170         }
 171
 172         /* T6: 120ms - 121ms */
 173         usleep_range(120000, 121000);
 174
 175         err = mipi_dsi_dcs_set_display_on(pinfo->link);
 176         if (err < 0) {
 177                 dev_err(panel->dev, "failed to set display on: %d\n", err);
 178                 goto poweroff;
 179         }
 180
 181         /* T7: 20ms - 21ms */
 182         usleep_range(20000, 21000);
 183
 184         pinfo->prepared = true;
 185
 186         return 0;
 187
 188 poweroff:
 189         disable_gpios(pinfo);
 190         return err;
 191 }
 192
 193 static int boe_panel_enable(struct drm_panel *panel)
 194 {
 195         struct panel_info *pinfo = to_panel_info(panel);
 196         int ret;
 197
 198         if (pinfo->enabled)
 199                 return 0;
 200
 201         usleep_range(120000, 121000);
 202
 203         ret = mipi_dsi_dcs_set_display_on(pinfo->link);
 204         if (ret < 0) {
 205                 dev_err(panel->dev, "failed to set display on: %d\n", ret);
 206                 return ret;
 207         }
 208
 209         pinfo->enabled = true;
 210
 211         return 0;
 212 }
 213
 214 static int boe_panel_get_modes(struct drm_panel *panel,
 215                                struct drm_connector *connector)
 216 {
 217         struct panel_info *pinfo = to_panel_info(panel);
 218         const struct drm_display_mode *m = pinfo->desc->display_mode;
 219         struct drm_display_mode *mode;
 220
 221         mode = drm_mode_duplicate(connector->dev, m);
 222         if (!mode) {
 223                 dev_err(pinfo->base.dev, "failed to add mode %ux%u@%u\n",
 224                         m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
 225                 return -ENOMEM;
 226         }
 227
 228         drm_mode_set_name(mode);
 229
 230         drm_mode_probed_add(connector, mode);
 231
 232         connector->display_info.width_mm = pinfo->desc->width_mm;
 233         connector->display_info.height_mm = pinfo->desc->height_mm;
 234         connector->display_info.bpc = pinfo->desc->bpc;
 235
 236         return 1;
 237 }
 238
 239 static const struct drm_panel_funcs panel_funcs = {
 240         .disable = boe_panel_disable,
 241         .unprepare = boe_panel_unprepare,
 242         .prepare = boe_panel_prepare,
 243         .enable = boe_panel_enable,
 244         .get_modes = boe_panel_get_modes,
 245 };
 246
 247 static const struct drm_display_mode default_display_mode = {
 248         .clock = 159420,
 249         .hdisplay = 1200,
 250         .hsync_start = 1200 + 80,
 251         .hsync_end = 1200 + 80 + 60,
 252         .htotal = 1200 + 80 + 60 + 24,
 253         .vdisplay = 1920,
 254         .vsync_start = 1920 + 10,
 255         .vsync_end = 1920 + 10 + 14,
 256         .vtotal = 1920 + 10 + 14 + 4,
 257 };
 258
 259 /* 8 inch */
 260 static const struct panel_cmd boe_himax8279d8p_on_cmds[] = {
 261         { 0xB0, 0x05 },
 262         { 0xB1, 0xE5 },
 263         { 0xB3, 0x52 },
 264         { 0xC0, 0x00 },
 265         { 0xC2, 0x57 },
 266         { 0xD9, 0x85 },
 267         { 0xB0, 0x01 },
 268         { 0xC8, 0x00 },
 269         { 0xC9, 0x00 },
 270         { 0xCC, 0x26 },
 271         { 0xCD, 0x26 },
 272         { 0xDC, 0x00 },
 273         { 0xDD, 0x00 },
 274         { 0xE0, 0x26 },
 275         { 0xE1, 0x26 },
 276         { 0xB0, 0x03 },
 277         { 0xC3, 0x2A },
 278         { 0xE7, 0x2A },
 279         { 0xC5, 0x2A },
 280         { 0xDE, 0x2A },
 281         { 0xBC, 0x02 },
 282         { 0xCB, 0x02 },
 283         { 0xB0, 0x00 },
 284         { 0xB6, 0x03 },
 285         { 0xBA, 0x8B },
 286         { 0xBF, 0x15 },
 287         { 0xC0, 0x18 },
 288         { 0xC2, 0x14 },
 289         { 0xC3, 0x02 },
 290         { 0xC4, 0x14 },
 291         { 0xC5, 0x02 },
 292         { 0xCC, 0x0A },
 293         { 0xB0, 0x06 },
 294         { 0xC0, 0xA5 },
 295         { 0xD5, 0x20 },
 296         { 0xC0, 0x00 },
 297         { 0xB0, 0x02 },
 298         { 0xC0, 0x00 },
 299         { 0xC1, 0x02 },
 300         { 0xC2, 0x06 },
 301         { 0xC3, 0x16 },
 302         { 0xC4, 0x0E },
 303         { 0xC5, 0x18 },
 304         { 0xC6, 0x26 },
 305         { 0xC7, 0x32 },
 306         { 0xC8, 0x3F },
 307         { 0xC9, 0x3F },
 308         { 0xCA, 0x3F },
 309         { 0xCB, 0x3F },
 310         { 0xCC, 0x3D },
 311         { 0xCD, 0x2F },
 312         { 0xCE, 0x2F },
 313         { 0xCF, 0x2F },
 314         { 0xD0, 0x07 },
 315         { 0xD2, 0x00 },
 316         { 0xD3, 0x02 },
 317         { 0xD4, 0x06 },
 318         { 0xD5, 0x12 },
 319         { 0xD6, 0x0A },
 320         { 0xD7, 0x14 },
 321         { 0xD8, 0x22 },
 322         { 0xD9, 0x2E },
 323         { 0xDA, 0x3D },
 324         { 0xDB, 0x3F },
 325         { 0xDC, 0x3F },
 326         { 0xDD, 0x3F },
 327         { 0xDE, 0x3D },
 328         { 0xDF, 0x2F },
 329         { 0xE0, 0x2F },
 330         { 0xE1, 0x2F },
 331         { 0xE2, 0x07 },
 332         { 0xB0, 0x07 },
 333         { 0xB1, 0x18 },
 334         { 0xB2, 0x19 },
 335         { 0xB3, 0x2E },
 336         { 0xB4, 0x52 },
 337         { 0xB5, 0x72 },
 338         { 0xB6, 0x8C },
 339         { 0xB7, 0xBD },
 340         { 0xB8, 0xEB },
 341         { 0xB9, 0x47 },
 342         { 0xBA, 0x96 },
 343         { 0xBB, 0x1E },
 344         { 0xBC, 0x90 },
 345         { 0xBD, 0x93 },
 346         { 0xBE, 0xFA },
 347         { 0xBF, 0x56 },
 348         { 0xC0, 0x8C },
 349         { 0xC1, 0xB7 },
 350         { 0xC2, 0xCC },
 351         { 0xC3, 0xDF },
 352         { 0xC4, 0xE8 },
 353         { 0xC5, 0xF0 },
 354         { 0xC6, 0xF8 },
 355         { 0xC7, 0xFA },
 356         { 0xC8, 0xFC },
 357         { 0xC9, 0x00 },
 358         { 0xCA, 0x00 },
 359         { 0xCB, 0x5A },
 360         { 0xCC, 0xAF },
 361         { 0xCD, 0xFF },
 362         { 0xCE, 0xFF },
 363         { 0xB0, 0x08 },
 364         { 0xB1, 0x04 },
 365         { 0xB2, 0x15 },
 366         { 0xB3, 0x2D },
 367         { 0xB4, 0x51 },
 368         { 0xB5, 0x72 },
 369         { 0xB6, 0x8D },
 370         { 0xB7, 0xBE },
 371         { 0xB8, 0xED },
 372         { 0xB9, 0x4A },
 373         { 0xBA, 0x9A },
 374         { 0xBB, 0x23 },
 375         { 0xBC, 0x95 },
 376         { 0xBD, 0x98 },
 377         { 0xBE, 0xFF },
 378         { 0xBF, 0x59 },
 379         { 0xC0, 0x8E },
 380         { 0xC1, 0xB9 },
 381         { 0xC2, 0xCD },
 382         { 0xC3, 0xDF },
 383         { 0xC4, 0xE8 },
 384         { 0xC5, 0xF0 },
 385         { 0xC6, 0xF8 },
 386         { 0xC7, 0xFA },
 387         { 0xC8, 0xFC },
 388         { 0xC9, 0x00 },
 389         { 0xCA, 0x00 },
 390         { 0xCB, 0x5A },
 391         { 0xCC, 0xAF },
 392         { 0xCD, 0xFF },
 393         { 0xCE, 0xFF },
 394         { 0xB0, 0x09 },
 395         { 0xB1, 0x04 },
 396         { 0xB2, 0x2C },
 397         { 0xB3, 0x36 },
 398         { 0xB4, 0x53 },
 399         { 0xB5, 0x73 },
 400         { 0xB6, 0x8E },
 401         { 0xB7, 0xC0 },
 402         { 0xB8, 0xEF },
 403         { 0xB9, 0x4C },
 404         { 0xBA, 0x9D },
 405         { 0xBB, 0x25 },
 406         { 0xBC, 0x96 },
 407         { 0xBD, 0x9A },
 408         { 0xBE, 0x01 },
 409         { 0xBF, 0x59 },
 410         { 0xC0, 0x8E },
 411         { 0xC1, 0xB9 },
 412         { 0xC2, 0xCD },
 413         { 0xC3, 0xDF },
 414         { 0xC4, 0xE8 },
 415         { 0xC5, 0xF0 },
 416         { 0xC6, 0xF8 },
 417         { 0xC7, 0xFA },
 418         { 0xC8, 0xFC },
 419         { 0xC9, 0x00 },
 420         { 0xCA, 0x00 },
 421         { 0xCB, 0x5A },
 422         { 0xCC, 0xBF },
 423         { 0xCD, 0xFF },
 424         { 0xCE, 0xFF },
 425         { 0xB0, 0x0A },
 426         { 0xB1, 0x18 },
 427         { 0xB2, 0x19 },
 428         { 0xB3, 0x2E },
 429         { 0xB4, 0x52 },
 430         { 0xB5, 0x72 },
 431         { 0xB6, 0x8C },
 432         { 0xB7, 0xBD },
 433         { 0xB8, 0xEB },
 434         { 0xB9, 0x47 },
 435         { 0xBA, 0x96 },
 436         { 0xBB, 0x1E },
 437         { 0xBC, 0x90 },
 438         { 0xBD, 0x93 },
 439         { 0xBE, 0xFA },
 440         { 0xBF, 0x56 },
 441         { 0xC0, 0x8C },
 442         { 0xC1, 0xB7 },
 443         { 0xC2, 0xCC },
 444         { 0xC3, 0xDF },
 445         { 0xC4, 0xE8 },
 446         { 0xC5, 0xF0 },
 447         { 0xC6, 0xF8 },
 448         { 0xC7, 0xFA },
 449         { 0xC8, 0xFC },
 450         { 0xC9, 0x00 },
 451         { 0xCA, 0x00 },
 452         { 0xCB, 0x5A },
 453         { 0xCC, 0xAF },
 454         { 0xCD, 0xFF },
 455         { 0xCE, 0xFF },
 456         { 0xB0, 0x0B },
 457         { 0xB1, 0x04 },
 458         { 0xB2, 0x15 },
 459         { 0xB3, 0x2D },
 460         { 0xB4, 0x51 },
 461         { 0xB5, 0x72 },
 462         { 0xB6, 0x8D },
 463         { 0xB7, 0xBE },
 464         { 0xB8, 0xED },
 465         { 0xB9, 0x4A },
 466         { 0xBA, 0x9A },
 467         { 0xBB, 0x23 },
 468         { 0xBC, 0x95 },
 469         { 0xBD, 0x98 },
 470         { 0xBE, 0xFF },
 471         { 0xBF, 0x59 },
 472         { 0xC0, 0x8E },
 473         { 0xC1, 0xB9 },
 474         { 0xC2, 0xCD },
 475         { 0xC3, 0xDF },
 476         { 0xC4, 0xE8 },
 477         { 0xC5, 0xF0 },
 478         { 0xC6, 0xF8 },
 479         { 0xC7, 0xFA },
 480         { 0xC8, 0xFC },
 481         { 0xC9, 0x00 },
 482         { 0xCA, 0x00 },
 483         { 0xCB, 0x5A },
 484         { 0xCC, 0xAF },
 485         { 0xCD, 0xFF },
 486         { 0xCE, 0xFF },
 487         { 0xB0, 0x0C },
 488         { 0xB1, 0x04 },
 489         { 0xB2, 0x2C },
 490         { 0xB3, 0x36 },
 491         { 0xB4, 0x53 },
 492         { 0xB5, 0x73 },
 493         { 0xB6, 0x8E },
 494         { 0xB7, 0xC0 },
 495         { 0xB8, 0xEF },
 496         { 0xB9, 0x4C },
 497         { 0xBA, 0x9D },
 498         { 0xBB, 0x25 },
 499         { 0xBC, 0x96 },
 500         { 0xBD, 0x9A },
 501         { 0xBE, 0x01 },
 502         { 0xBF, 0x59 },
 503         { 0xC0, 0x8E },
 504         { 0xC1, 0xB9 },
 505         { 0xC2, 0xCD },
 506         { 0xC3, 0xDF },
 507         { 0xC4, 0xE8 },
 508         { 0xC5, 0xF0 },
 509         { 0xC6, 0xF8 },
 510         { 0xC7, 0xFA },
 511         { 0xC8, 0xFC },
 512         { 0xC9, 0x00 },
 513         { 0xCA, 0x00 },
 514         { 0xCB, 0x5A },
 515         { 0xCC, 0xBF },
 516         { 0xCD, 0xFF },
 517         { 0xCE, 0xFF },
 518         { 0xB0, 0x04 },
 519         { 0xB5, 0x02 },
 520         { 0xB6, 0x01 },
 521 };
 522
 523 static const struct panel_desc boe_himax8279d8p_panel_desc = {
 524         .display_mode = &default_display_mode,
 525         .bpc = 8,
 526         .width_mm = 107,
 527         .height_mm = 172,
 528         .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
 529                         MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
 530         .format = MIPI_DSI_FMT_RGB888,
 531         .lanes = 4,
 532         .on_cmds = boe_himax8279d8p_on_cmds,
 533         .on_cmds_num = 260,
 534 };
 535
 536 /* 10 inch */
 537 static const struct panel_cmd boe_himax8279d10p_on_cmds[] = {
 538         { 0xB0, 0x05 },
 539         { 0xB1, 0xE5 },
 540         { 0xB3, 0x52 },
 541         { 0xB0, 0x00 },
 542         { 0xB6, 0x03 },
 543         { 0xBA, 0x8B },
 544         { 0xBF, 0x1A },
 545         { 0xC0, 0x0F },
 546         { 0xC2, 0x0C },
 547         { 0xC3, 0x02 },
 548         { 0xC4, 0x0C },
 549         { 0xC5, 0x02 },
 550         { 0xB0, 0x01 },
 551         { 0xE0, 0x26 },
 552         { 0xE1, 0x26 },
 553         { 0xDC, 0x00 },
 554         { 0xDD, 0x00 },
 555         { 0xCC, 0x26 },
 556         { 0xCD, 0x26 },
 557         { 0xC8, 0x00 },
 558         { 0xC9, 0x00 },
 559         { 0xD2, 0x03 },
 560         { 0xD3, 0x03 },
 561         { 0xE6, 0x04 },
 562         { 0xE7, 0x04 },
 563         { 0xC4, 0x09 },
 564         { 0xC5, 0x09 },
 565         { 0xD8, 0x0A },
 566         { 0xD9, 0x0A },
 567         { 0xC2, 0x0B },
 568         { 0xC3, 0x0B },
 569         { 0xD6, 0x0C },
 570         { 0xD7, 0x0C },
 571         { 0xC0, 0x05 },
 572         { 0xC1, 0x05 },
 573         { 0xD4, 0x06 },
 574         { 0xD5, 0x06 },
 575         { 0xCA, 0x07 },
 576         { 0xCB, 0x07 },
 577         { 0xDE, 0x08 },
 578         { 0xDF, 0x08 },
 579         { 0xB0, 0x02 },
 580         { 0xC0, 0x00 },
 581         { 0xC1, 0x0D },
 582         { 0xC2, 0x17 },
 583         { 0xC3, 0x26 },
 584         { 0xC4, 0x31 },
 585         { 0xC5, 0x1C },
 586         { 0xC6, 0x2C },
 587         { 0xC7, 0x33 },
 588         { 0xC8, 0x31 },
 589         { 0xC9, 0x37 },
 590         { 0xCA, 0x37 },
 591         { 0xCB, 0x37 },
 592         { 0xCC, 0x39 },
 593         { 0xCD, 0x2E },
 594         { 0xCE, 0x2F },
 595         { 0xCF, 0x2F },
 596         { 0xD0, 0x07 },
 597         { 0xD2, 0x00 },
 598         { 0xD3, 0x0D },
 599         { 0xD4, 0x17 },
 600         { 0xD5, 0x26 },
 601         { 0xD6, 0x31 },
 602         { 0xD7, 0x3F },
 603         { 0xD8, 0x3F },
 604         { 0xD9, 0x3F },
 605         { 0xDA, 0x3F },
 606         { 0xDB, 0x37 },
 607         { 0xDC, 0x37 },
 608         { 0xDD, 0x37 },
 609         { 0xDE, 0x39 },
 610         { 0xDF, 0x2E },
 611         { 0xE0, 0x2F },
 612         { 0xE1, 0x2F },
 613         { 0xE2, 0x07 },
 614         { 0xB0, 0x03 },
 615         { 0xC8, 0x0B },
 616         { 0xC9, 0x07 },
 617         { 0xC3, 0x00 },
 618         { 0xE7, 0x00 },
 619         { 0xC5, 0x2A },
 620         { 0xDE, 0x2A },
 621         { 0xCA, 0x43 },
 622         { 0xC9, 0x07 },
 623         { 0xE4, 0xC0 },
 624         { 0xE5, 0x0D },
 625         { 0xCB, 0x01 },
 626         { 0xBC, 0x01 },
 627         { 0xB0, 0x06 },
 628         { 0xB8, 0xA5 },
 629         { 0xC0, 0xA5 },
 630         { 0xC7, 0x0F },
 631         { 0xD5, 0x32 },
 632         { 0xB8, 0x00 },
 633         { 0xC0, 0x00 },
 634         { 0xBC, 0x00 },
 635         { 0xB0, 0x07 },
 636         { 0xB1, 0x00 },
 637         { 0xB2, 0x05 },
 638         { 0xB3, 0x10 },
 639         { 0xB4, 0x22 },
 640         { 0xB5, 0x36 },
 641         { 0xB6, 0x4A },
 642         { 0xB7, 0x6C },
 643         { 0xB8, 0x9A },
 644         { 0xB9, 0xD7 },
 645         { 0xBA, 0x17 },
 646         { 0xBB, 0x92 },
 647         { 0xBC, 0x15 },
 648         { 0xBD, 0x18 },
 649         { 0xBE, 0x8C },
 650         { 0xBF, 0x00 },
 651         { 0xC0, 0x3A },
 652         { 0xC1, 0x72 },
 653         { 0xC2, 0x8C },
 654         { 0xC3, 0xA5 },
 655         { 0xC4, 0xB1 },
 656         { 0xC5, 0xBE },
 657         { 0xC6, 0xCA },
 658         { 0xC7, 0xD1 },
 659         { 0xC8, 0xD4 },
 660         { 0xC9, 0x00 },
 661         { 0xCA, 0x00 },
 662         { 0xCB, 0x16 },
 663         { 0xCC, 0xAF },
 664         { 0xCD, 0xFF },
 665         { 0xCE, 0xFF },
 666         { 0xB0, 0x08 },
 667         { 0xB1, 0x04 },
 668         { 0xB2, 0x05 },
 669         { 0xB3, 0x11 },
 670         { 0xB4, 0x24 },
 671         { 0xB5, 0x39 },
 672         { 0xB6, 0x4E },
 673         { 0xB7, 0x72 },
 674         { 0xB8, 0xA3 },
 675         { 0xB9, 0xE1 },
 676         { 0xBA, 0x25 },
 677         { 0xBB, 0xA8 },
 678         { 0xBC, 0x2E },
 679         { 0xBD, 0x32 },
 680         { 0xBE, 0xAD },
 681         { 0xBF, 0x28 },
 682         { 0xC0, 0x63 },
 683         { 0xC1, 0x9B },
 684         { 0xC2, 0xB5 },
 685         { 0xC3, 0xCF },
 686         { 0xC4, 0xDB },
 687         { 0xC5, 0xE8 },
 688         { 0xC6, 0xF5 },
 689         { 0xC7, 0xFA },
 690         { 0xC8, 0xFC },
 691         { 0xC9, 0x00 },
 692         { 0xCA, 0x00 },
 693         { 0xCB, 0x16 },
 694         { 0xCC, 0xAF },
 695         { 0xCD, 0xFF },
 696         { 0xCE, 0xFF },
 697         { 0xB0, 0x09 },
 698         { 0xB1, 0x04 },
 699         { 0xB2, 0x04 },
 700         { 0xB3, 0x0F },
 701         { 0xB4, 0x22 },
 702         { 0xB5, 0x37 },
 703         { 0xB6, 0x4D },
 704         { 0xB7, 0x71 },
 705         { 0xB8, 0xA2 },
 706         { 0xB9, 0xE1 },
 707         { 0xBA, 0x26 },
 708         { 0xBB, 0xA9 },
 709         { 0xBC, 0x2F },
 710         { 0xBD, 0x33 },
 711         { 0xBE, 0xAC },
 712         { 0xBF, 0x24 },
 713         { 0xC0, 0x5D },
 714         { 0xC1, 0x94 },
 715         { 0xC2, 0xAC },
 716         { 0xC3, 0xC5 },
 717         { 0xC4, 0xD1 },
 718         { 0xC5, 0xDC },
 719         { 0xC6, 0xE8 },
 720         { 0xC7, 0xED },
 721         { 0xC8, 0xF0 },
 722         { 0xC9, 0x00 },
 723         { 0xCA, 0x00 },
 724         { 0xCB, 0x16 },
 725         { 0xCC, 0xAF },
 726         { 0xCD, 0xFF },
 727         { 0xCE, 0xFF },
 728         { 0xB0, 0x0A },
 729         { 0xB1, 0x00 },
 730         { 0xB2, 0x05 },
 731         { 0xB3, 0x10 },
 732         { 0xB4, 0x22 },
 733         { 0xB5, 0x36 },
 734         { 0xB6, 0x4A },
 735         { 0xB7, 0x6C },
 736         { 0xB8, 0x9A },
 737         { 0xB9, 0xD7 },
 738         { 0xBA, 0x17 },
 739         { 0xBB, 0x92 },
 740         { 0xBC, 0x15 },
 741         { 0xBD, 0x18 },
 742         { 0xBE, 0x8C },
 743         { 0xBF, 0x00 },
 744         { 0xC0, 0x3A },
 745         { 0xC1, 0x72 },
 746         { 0xC2, 0x8C },
 747         { 0xC3, 0xA5 },
 748         { 0xC4, 0xB1 },
 749         { 0xC5, 0xBE },
 750         { 0xC6, 0xCA },
 751         { 0xC7, 0xD1 },
 752         { 0xC8, 0xD4 },
 753         { 0xC9, 0x00 },
 754         { 0xCA, 0x00 },
 755         { 0xCB, 0x16 },
 756         { 0xCC, 0xAF },
 757         { 0xCD, 0xFF },
 758         { 0xCE, 0xFF },
 759         { 0xB0, 0x0B },
 760         { 0xB1, 0x04 },
 761         { 0xB2, 0x05 },
 762         { 0xB3, 0x11 },
 763         { 0xB4, 0x24 },
 764         { 0xB5, 0x39 },
 765         { 0xB6, 0x4E },
 766         { 0xB7, 0x72 },
 767         { 0xB8, 0xA3 },
 768         { 0xB9, 0xE1 },
 769         { 0xBA, 0x25 },
 770         { 0xBB, 0xA8 },
 771         { 0xBC, 0x2E },
 772         { 0xBD, 0x32 },
 773         { 0xBE, 0xAD },
 774         { 0xBF, 0x28 },
 775         { 0xC0, 0x63 },
 776         { 0xC1, 0x9B },
 777         { 0xC2, 0xB5 },
 778         { 0xC3, 0xCF },
 779         { 0xC4, 0xDB },
 780         { 0xC5, 0xE8 },
 781         { 0xC6, 0xF5 },
 782         { 0xC7, 0xFA },
 783         { 0xC8, 0xFC },
 784         { 0xC9, 0x00 },
 785         { 0xCA, 0x00 },
 786         { 0xCB, 0x16 },
 787         { 0xCC, 0xAF },
 788         { 0xCD, 0xFF },
 789         { 0xCE, 0xFF },
 790         { 0xB0, 0x0C },
 791         { 0xB1, 0x04 },
 792         { 0xB2, 0x04 },
 793         { 0xB3, 0x0F },
 794         { 0xB4, 0x22 },
 795         { 0xB5, 0x37 },
 796         { 0xB6, 0x4D },
 797         { 0xB7, 0x71 },
 798         { 0xB8, 0xA2 },
 799         { 0xB9, 0xE1 },
 800         { 0xBA, 0x26 },
 801         { 0xBB, 0xA9 },
 802         { 0xBC, 0x2F },
 803         { 0xBD, 0x33 },
 804         { 0xBE, 0xAC },
 805         { 0xBF, 0x24 },
 806         { 0xC0, 0x5D },
 807         { 0xC1, 0x94 },
 808         { 0xC2, 0xAC },
 809         { 0xC3, 0xC5 },
 810         { 0xC4, 0xD1 },
 811         { 0xC5, 0xDC },
 812         { 0xC6, 0xE8 },
 813         { 0xC7, 0xED },
 814         { 0xC8, 0xF0 },
 815         { 0xC9, 0x00 },
 816         { 0xCA, 0x00 },
 817         { 0xCB, 0x16 },
 818         { 0xCC, 0xAF },
 819         { 0xCD, 0xFF },
 820         { 0xCE, 0xFF },
 821 };
 822
 823 static const struct panel_desc boe_himax8279d10p_panel_desc = {
 824         .display_mode = &default_display_mode,
 825         .bpc = 8,
 826         .width_mm = 135,
 827         .height_mm = 216,
 828         .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
 829                         MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
 830         .format = MIPI_DSI_FMT_RGB888,
 831         .lanes = 4,
 832         .on_cmds = boe_himax8279d10p_on_cmds,
 833         .on_cmds_num = 283,
 834 };
 835
 836 static const struct of_device_id panel_of_match[] = {
 837         {
 838                 .compatible = "boe,himax8279d8p",
 839                 .data = &boe_himax8279d8p_panel_desc,
 840         },
 841         {
 842                 .compatible = "boe,himax8279d10p",
 843                 .data = &boe_himax8279d10p_panel_desc,
 844         },
 845         {
 846                 /* sentinel */
 847         }
 848 };
 849 MODULE_DEVICE_TABLE(of, panel_of_match);
 850
 851 static int panel_add(struct panel_info *pinfo)
 852 {
 853         struct device *dev = &pinfo->link->dev;
 854         int ret;
 855
 856         pinfo->pp18_gpio = devm_gpiod_get(dev, "pp18", GPIOD_OUT_HIGH);
 857         if (IS_ERR(pinfo->pp18_gpio)) {
 858                 ret = PTR_ERR(pinfo->pp18_gpio);
 859                 if (ret != -EPROBE_DEFER)
 860                         dev_err(dev, "failed to get pp18 gpio: %d\n", ret);
 861                 return ret;
 862         }
 863
 864         pinfo->pp33_gpio = devm_gpiod_get(dev, "pp33", GPIOD_OUT_HIGH);
 865         if (IS_ERR(pinfo->pp33_gpio)) {
 866                 ret = PTR_ERR(pinfo->pp33_gpio);
 867                 if (ret != -EPROBE_DEFER)
 868                         dev_err(dev, "failed to get pp33 gpio: %d\n", ret);
 869                 return ret;
 870         }
 871
 872         pinfo->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
 873         if (IS_ERR(pinfo->enable_gpio)) {
 874                 ret = PTR_ERR(pinfo->enable_gpio);
 875                 if (ret != -EPROBE_DEFER)
 876                         dev_err(dev, "failed to get enable gpio: %d\n", ret);
 877                 return ret;
 878         }
 879
 880         drm_panel_init(&pinfo->base, dev, &panel_funcs,
 881                        DRM_MODE_CONNECTOR_DSI);
 882
 883         ret = drm_panel_of_backlight(&pinfo->base);
 884         if (ret)
 885                 return ret;
 886
 887         drm_panel_add(&pinfo->base);
 888
 889         return 0;
 890 }
 891
 892 static int panel_probe(struct mipi_dsi_device *dsi)
 893 {
 894         struct panel_info *pinfo;
 895         const struct panel_desc *desc;
 896         int err;
 897
 898         pinfo = devm_kzalloc(&dsi->dev, sizeof(*pinfo), GFP_KERNEL);
 899         if (!pinfo)
 900                 return -ENOMEM;
 901
 902         desc = of_device_get_match_data(&dsi->dev);
 903         dsi->mode_flags = desc->mode_flags;
 904         dsi->format = desc->format;
 905         dsi->lanes = desc->lanes;
 906         pinfo->desc = desc;
 907
 908         pinfo->link = dsi;
 909         mipi_dsi_set_drvdata(dsi, pinfo);
 910
 911         err = panel_add(pinfo);
 912         if (err < 0)
 913                 return err;
 914
 915         err = mipi_dsi_attach(dsi);
 916         if (err < 0)
 917                 drm_panel_remove(&pinfo->base);
 918
 919         return err;
 920 }
 921
 922 static int panel_remove(struct mipi_dsi_device *dsi)
 923 {
 924         struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
 925         int err;
 926
 927         err = boe_panel_disable(&pinfo->base);
 928         if (err < 0)
 929                 dev_err(&dsi->dev, "failed to disable panel: %d\n", err);
 930
 931         err = boe_panel_unprepare(&pinfo->base);
 932         if (err < 0)
 933                 dev_err(&dsi->dev, "failed to unprepare panel: %d\n", err);
 934
 935         err = mipi_dsi_detach(dsi);
 936         if (err < 0)
 937                 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
 938
 939         drm_panel_remove(&pinfo->base);
 940
 941         return 0;
 942 }
 943
 944 static void panel_shutdown(struct mipi_dsi_device *dsi)
 945 {
 946         struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
 947
 948         boe_panel_disable(&pinfo->base);
 949         boe_panel_unprepare(&pinfo->base);
 950 }
 951
 952 static struct mipi_dsi_driver panel_driver = {
 953         .driver = {
 954                 .name = "panel-boe-himax8279d",
 955                 .of_match_table = panel_of_match,
 956         },
 957         .probe = panel_probe,
 958         .remove = panel_remove,
 959         .shutdown = panel_shutdown,
 960 };
 961 module_mipi_dsi_driver(panel_driver);
 962
 963 MODULE_AUTHOR("Jerry Han <jerry.han.hq@gmail.com>");
 964 MODULE_DESCRIPTION("Boe Himax8279d driver");
 965 MODULE_LICENSE("GPL v2");