drivers/gpu/drm/panel/panel-innolux-p079zca.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
   4  */
   5
   6 #include <linux/backlight.h>
   7 #include <linux/gpio/consumer.h>
   8 #include <linux/module.h>
   9 #include <linux/of.h>
  10 #include <linux/of_device.h>
  11 #include <linux/regulator/consumer.h>
  12
  13 #include <drm/drmP.h>
  14 #include <drm/drm_crtc.h>
  15 #include <drm/drm_mipi_dsi.h>
  16 #include <drm/drm_panel.h>
  17
  18 #include <video/mipi_display.h>
  19
  20 struct panel_init_cmd {
  21         size_t len;
  22         const char *data;
  23 };
  24
  25 #define _INIT_CMD(...) { \
  26         .len = sizeof((char[]){__VA_ARGS__}), \
  27         .data = (char[]){__VA_ARGS__} }
  28
  29 struct panel_desc {
  30         const struct drm_display_mode *mode;
  31         unsigned int bpc;
  32         struct {
  33                 unsigned int width;
  34                 unsigned int height;
  35         } size;
  36
  37         unsigned long flags;
  38         enum mipi_dsi_pixel_format format;
  39         const struct panel_init_cmd *init_cmds;
  40         unsigned int lanes;
  41         const char * const *supply_names;
  42         unsigned int num_supplies;
  43         unsigned int sleep_mode_delay;
  44         unsigned int power_down_delay;
  45 };
  46
  47 struct innolux_panel {
  48         struct drm_panel base;
  49         struct mipi_dsi_device *link;
  50         const struct panel_desc *desc;
  51
  52         struct backlight_device *backlight;
  53         struct regulator_bulk_data *supplies;
  54         unsigned int num_supplies;
  55         struct gpio_desc *enable_gpio;
  56
  57         bool prepared;
  58         bool enabled;
  59 };
  60
  61 static inline struct innolux_panel *to_innolux_panel(struct drm_panel *panel)
  62 {
  63         return container_of(panel, struct innolux_panel, base);
  64 }
  65
  66 static int innolux_panel_disable(struct drm_panel *panel)
  67 {
  68         struct innolux_panel *innolux = to_innolux_panel(panel);
  69
  70         if (!innolux->enabled)
  71                 return 0;
  72
  73         backlight_disable(innolux->backlight);
  74
  75         innolux->enabled = false;
  76
  77         return 0;
  78 }
  79
  80 static int innolux_panel_unprepare(struct drm_panel *panel)
  81 {
  82         struct innolux_panel *innolux = to_innolux_panel(panel);
  83         int err;
  84
  85         if (!innolux->prepared)
  86                 return 0;
  87
  88         err = mipi_dsi_dcs_set_display_off(innolux->link);
  89         if (err < 0)
  90                 DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
  91                               err);
  92
  93         err = mipi_dsi_dcs_enter_sleep_mode(innolux->link);
  94         if (err < 0) {
  95                 DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n",
  96                               err);
  97                 return err;
  98         }
  99
 100         if (innolux->desc->sleep_mode_delay)
 101                 msleep(innolux->desc->sleep_mode_delay);
 102
 103         gpiod_set_value_cansleep(innolux->enable_gpio, 0);
 104
 105         if (innolux->desc->power_down_delay)
 106                 msleep(innolux->desc->power_down_delay);
 107
 108         err = regulator_bulk_disable(innolux->desc->num_supplies,
 109                                      innolux->supplies);
 110         if (err < 0)
 111                 return err;
 112
 113         innolux->prepared = false;
 114
 115         return 0;
 116 }
 117
 118 static int innolux_panel_prepare(struct drm_panel *panel)
 119 {
 120         struct innolux_panel *innolux = to_innolux_panel(panel);
 121         int err;
 122
 123         if (innolux->prepared)
 124                 return 0;
 125
 126         gpiod_set_value_cansleep(innolux->enable_gpio, 0);
 127
 128         err = regulator_bulk_enable(innolux->desc->num_supplies,
 129                                     innolux->supplies);
 130         if (err < 0)
 131                 return err;
 132
 133         /* p079zca: t2 (20ms), p097pfg: t4 (15ms) */
 134         usleep_range(20000, 21000);
 135
 136         gpiod_set_value_cansleep(innolux->enable_gpio, 1);
 137
 138         /* p079zca: t4, p097pfg: t5 */
 139         usleep_range(20000, 21000);
 140
 141         if (innolux->desc->init_cmds) {
 142                 const struct panel_init_cmd *cmds =
 143                                         innolux->desc->init_cmds;
 144                 unsigned int i;
 145
 146                 for (i = 0; cmds[i].len != 0; i++) {
 147                         const struct panel_init_cmd *cmd = &cmds[i];
 148
 149                         err = mipi_dsi_generic_write(innolux->link, cmd->data,
 150                                                      cmd->len);
 151                         if (err < 0) {
 152                                 dev_err(panel->dev,
 153                                         "failed to write command %u\n", i);
 154                                 goto poweroff;
 155                         }
 156
 157                         /*
 158                          * Included by random guessing, because without this
 159                          * (or at least, some delay), the panel sometimes
 160                          * didn't appear to pick up the command sequence.
 161                          */
 162                         err = mipi_dsi_dcs_nop(innolux->link);
 163                         if (err < 0) {
 164                                 dev_err(panel->dev,
 165                                         "failed to send DCS nop: %d\n", err);
 166                                 goto poweroff;
 167                         }
 168                 }
 169         }
 170
 171         err = mipi_dsi_dcs_exit_sleep_mode(innolux->link);
 172         if (err < 0) {
 173                 DRM_DEV_ERROR(panel->dev, "failed to exit sleep mode: %d\n",
 174                               err);
 175                 goto poweroff;
 176         }
 177
 178         /* T6: 120ms - 1000ms*/
 179         msleep(120);
 180
 181         err = mipi_dsi_dcs_set_display_on(innolux->link);
 182         if (err < 0) {
 183                 DRM_DEV_ERROR(panel->dev, "failed to set display on: %d\n",
 184                               err);
 185                 goto poweroff;
 186         }
 187
 188         /* T7: 5ms */
 189         usleep_range(5000, 6000);
 190
 191         innolux->prepared = true;
 192
 193         return 0;
 194
 195 poweroff:
 196         gpiod_set_value_cansleep(innolux->enable_gpio, 0);
 197         regulator_bulk_disable(innolux->desc->num_supplies, innolux->supplies);
 198
 199         return err;
 200 }
 201
 202 static int innolux_panel_enable(struct drm_panel *panel)
 203 {
 204         struct innolux_panel *innolux = to_innolux_panel(panel);
 205         int ret;
 206
 207         if (innolux->enabled)
 208                 return 0;
 209
 210         ret = backlight_enable(innolux->backlight);
 211         if (ret) {
 212                 DRM_DEV_ERROR(panel->drm->dev,
 213                               "Failed to enable backlight %d\n", ret);
 214                 return ret;
 215         }
 216
 217         innolux->enabled = true;
 218
 219         return 0;
 220 }
 221
 222 static const char * const innolux_p079zca_supply_names[] = {
 223         "power",
 224 };
 225
 226 static const struct drm_display_mode innolux_p079zca_mode = {
 227         .clock = 56900,
 228         .hdisplay = 768,
 229         .hsync_start = 768 + 40,
 230         .hsync_end = 768 + 40 + 40,
 231         .htotal = 768 + 40 + 40 + 40,
 232         .vdisplay = 1024,
 233         .vsync_start = 1024 + 20,
 234         .vsync_end = 1024 + 20 + 4,
 235         .vtotal = 1024 + 20 + 4 + 20,
 236         .vrefresh = 60,
 237 };
 238
 239 static const struct panel_desc innolux_p079zca_panel_desc = {
 240         .mode = &innolux_p079zca_mode,
 241         .bpc = 8,
 242         .size = {
 243                 .width = 120,
 244                 .height = 160,
 245         },
 246         .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
 247                  MIPI_DSI_MODE_LPM,
 248         .format = MIPI_DSI_FMT_RGB888,
 249         .lanes = 4,
 250         .supply_names = innolux_p079zca_supply_names,
 251         .num_supplies = ARRAY_SIZE(innolux_p079zca_supply_names),
 252         .power_down_delay = 80, /* T8: 80ms - 1000ms */
 253 };
 254
 255 static const char * const innolux_p097pfg_supply_names[] = {
 256         "avdd",
 257         "avee",
 258 };
 259
 260 static const struct drm_display_mode innolux_p097pfg_mode = {
 261         .clock = 229000,
 262         .hdisplay = 1536,
 263         .hsync_start = 1536 + 100,
 264         .hsync_end = 1536 + 100 + 24,
 265         .htotal = 1536 + 100 + 24 + 100,
 266         .vdisplay = 2048,
 267         .vsync_start = 2048 + 100,
 268         .vsync_end = 2048 + 100 + 2,
 269         .vtotal = 2048 + 100 + 2 + 18,
 270         .vrefresh = 60,
 271 };
 272
 273 /*
 274  * Display manufacturer failed to provide init sequencing according to
 275  * https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/892065/
 276  * so the init sequence stems from a register dump of a working panel.
 277  */
 278 static const struct panel_init_cmd innolux_p097pfg_init_cmds[] = {
 279         /* page 0 */
 280         _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x00),
 281         _INIT_CMD(0xB1, 0xE8, 0x11),
 282         _INIT_CMD(0xB2, 0x25, 0x02),
 283         _INIT_CMD(0xB5, 0x08, 0x00),
 284         _INIT_CMD(0xBC, 0x0F, 0x00),
 285         _INIT_CMD(0xB8, 0x03, 0x06, 0x00, 0x00),
 286         _INIT_CMD(0xBD, 0x01, 0x90, 0x14, 0x14),
 287         _INIT_CMD(0x6F, 0x01),
 288         _INIT_CMD(0xC0, 0x03),
 289         _INIT_CMD(0x6F, 0x02),
 290         _INIT_CMD(0xC1, 0x0D),
 291         _INIT_CMD(0xD9, 0x01, 0x09, 0x70),
 292         _INIT_CMD(0xC5, 0x12, 0x21, 0x00),
 293         _INIT_CMD(0xBB, 0x93, 0x93),
 294
 295         /* page 1 */
 296         _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01),
 297         _INIT_CMD(0xB3, 0x3C, 0x3C),
 298         _INIT_CMD(0xB4, 0x0F, 0x0F),
 299         _INIT_CMD(0xB9, 0x45, 0x45),
 300         _INIT_CMD(0xBA, 0x14, 0x14),
 301         _INIT_CMD(0xCA, 0x02),
 302         _INIT_CMD(0xCE, 0x04),
 303         _INIT_CMD(0xC3, 0x9B, 0x9B),
 304         _INIT_CMD(0xD8, 0xC0, 0x03),
 305         _INIT_CMD(0xBC, 0x82, 0x01),
 306         _INIT_CMD(0xBD, 0x9E, 0x01),
 307
 308         /* page 2 */
 309         _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x02),
 310         _INIT_CMD(0xB0, 0x82),
 311         _INIT_CMD(0xD1, 0x00, 0x00, 0x00, 0x3E, 0x00, 0x82, 0x00, 0xA5,
 312                   0x00, 0xC1, 0x00, 0xEA, 0x01, 0x0D, 0x01, 0x40),
 313         _INIT_CMD(0xD2, 0x01, 0x6A, 0x01, 0xA8, 0x01, 0xDC, 0x02, 0x29,
 314                   0x02, 0x67, 0x02, 0x68, 0x02, 0xA8, 0x02, 0xF0),
 315         _INIT_CMD(0xD3, 0x03, 0x19, 0x03, 0x49, 0x03, 0x67, 0x03, 0x8C,
 316                   0x03, 0xA6, 0x03, 0xC7, 0x03, 0xDE, 0x03, 0xEC),
 317         _INIT_CMD(0xD4, 0x03, 0xFF, 0x03, 0xFF),
 318         _INIT_CMD(0xE0, 0x00, 0x00, 0x00, 0x86, 0x00, 0xC5, 0x00, 0xE5,
 319                   0x00, 0xFF, 0x01, 0x26, 0x01, 0x45, 0x01, 0x75),
 320         _INIT_CMD(0xE1, 0x01, 0x9C, 0x01, 0xD5, 0x02, 0x05, 0x02, 0x4D,
 321                   0x02, 0x86, 0x02, 0x87, 0x02, 0xC3, 0x03, 0x03),
 322         _INIT_CMD(0xE2, 0x03, 0x2A, 0x03, 0x56, 0x03, 0x72, 0x03, 0x94,
 323                   0x03, 0xAC, 0x03, 0xCB, 0x03, 0xE0, 0x03, 0xED),
 324         _INIT_CMD(0xE3, 0x03, 0xFF, 0x03, 0xFF),
 325
 326         /* page 3 */
 327         _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x03),
 328         _INIT_CMD(0xB0, 0x00, 0x00, 0x00, 0x00),
 329         _INIT_CMD(0xB1, 0x00, 0x00, 0x00, 0x00),
 330         _INIT_CMD(0xB2, 0x00, 0x00, 0x06, 0x04, 0x01, 0x40, 0x85),
 331         _INIT_CMD(0xB3, 0x10, 0x07, 0xFC, 0x04, 0x01, 0x40, 0x80),
 332         _INIT_CMD(0xB6, 0xF0, 0x08, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01,
 333                   0x40, 0x80),
 334         _INIT_CMD(0xBA, 0xC5, 0x07, 0x00, 0x04, 0x11, 0x25, 0x8C),
 335         _INIT_CMD(0xBB, 0xC5, 0x07, 0x00, 0x03, 0x11, 0x25, 0x8C),
 336         _INIT_CMD(0xC0, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x80, 0x80),
 337         _INIT_CMD(0xC1, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x80, 0x80),
 338         _INIT_CMD(0xC4, 0x00, 0x00),
 339         _INIT_CMD(0xEF, 0x41),
 340
 341         /* page 4 */
 342         _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x04),
 343         _INIT_CMD(0xEC, 0x4C),
 344
 345         /* page 5 */
 346         _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x05),
 347         _INIT_CMD(0xB0, 0x13, 0x03, 0x03, 0x01),
 348         _INIT_CMD(0xB1, 0x30, 0x00),
 349         _INIT_CMD(0xB2, 0x02, 0x02, 0x00),
 350         _INIT_CMD(0xB3, 0x82, 0x23, 0x82, 0x9D),
 351         _INIT_CMD(0xB4, 0xC5, 0x75, 0x24, 0x57),
 352         _INIT_CMD(0xB5, 0x00, 0xD4, 0x72, 0x11, 0x11, 0xAB, 0x0A),
 353         _INIT_CMD(0xB6, 0x00, 0x00, 0xD5, 0x72, 0x24, 0x56),
 354         _INIT_CMD(0xB7, 0x5C, 0xDC, 0x5C, 0x5C),
 355         _INIT_CMD(0xB9, 0x0C, 0x00, 0x00, 0x01, 0x00),
 356         _INIT_CMD(0xC0, 0x75, 0x11, 0x11, 0x54, 0x05),
 357         _INIT_CMD(0xC6, 0x00, 0x00, 0x00, 0x00),
 358         _INIT_CMD(0xD0, 0x00, 0x48, 0x08, 0x00, 0x00),
 359         _INIT_CMD(0xD1, 0x00, 0x48, 0x09, 0x00, 0x00),
 360
 361         /* page 6 */
 362         _INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x06),
 363         _INIT_CMD(0xB0, 0x02, 0x32, 0x32, 0x08, 0x2F),
 364         _INIT_CMD(0xB1, 0x2E, 0x15, 0x14, 0x13, 0x12),
 365         _INIT_CMD(0xB2, 0x11, 0x10, 0x00, 0x3D, 0x3D),
 366         _INIT_CMD(0xB3, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
 367         _INIT_CMD(0xB4, 0x3D, 0x32),
 368         _INIT_CMD(0xB5, 0x03, 0x32, 0x32, 0x09, 0x2F),
 369         _INIT_CMD(0xB6, 0x2E, 0x1B, 0x1A, 0x19, 0x18),
 370         _INIT_CMD(0xB7, 0x17, 0x16, 0x01, 0x3D, 0x3D),
 371         _INIT_CMD(0xB8, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
 372         _INIT_CMD(0xB9, 0x3D, 0x32),
 373         _INIT_CMD(0xC0, 0x01, 0x32, 0x32, 0x09, 0x2F),
 374         _INIT_CMD(0xC1, 0x2E, 0x1A, 0x1B, 0x16, 0x17),
 375         _INIT_CMD(0xC2, 0x18, 0x19, 0x03, 0x3D, 0x3D),
 376         _INIT_CMD(0xC3, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
 377         _INIT_CMD(0xC4, 0x3D, 0x32),
 378         _INIT_CMD(0xC5, 0x00, 0x32, 0x32, 0x08, 0x2F),
 379         _INIT_CMD(0xC6, 0x2E, 0x14, 0x15, 0x10, 0x11),
 380         _INIT_CMD(0xC7, 0x12, 0x13, 0x02, 0x3D, 0x3D),
 381         _INIT_CMD(0xC8, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
 382         _INIT_CMD(0xC9, 0x3D, 0x32),
 383
 384         {},
 385 };
 386
 387 static const struct panel_desc innolux_p097pfg_panel_desc = {
 388         .mode = &innolux_p097pfg_mode,
 389         .bpc = 8,
 390         .size = {
 391                 .width = 147,
 392                 .height = 196,
 393         },
 394         .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
 395                  MIPI_DSI_MODE_LPM,
 396         .format = MIPI_DSI_FMT_RGB888,
 397         .init_cmds = innolux_p097pfg_init_cmds,
 398         .lanes = 4,
 399         .supply_names = innolux_p097pfg_supply_names,
 400         .num_supplies = ARRAY_SIZE(innolux_p097pfg_supply_names),
 401         .sleep_mode_delay = 100, /* T15 */
 402 };
 403
 404 static int innolux_panel_get_modes(struct drm_panel *panel)
 405 {
 406         struct innolux_panel *innolux = to_innolux_panel(panel);
 407         const struct drm_display_mode *m = innolux->desc->mode;
 408         struct drm_display_mode *mode;
 409
 410         mode = drm_mode_duplicate(panel->drm, m);
 411         if (!mode) {
 412                 DRM_DEV_ERROR(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
 413                               m->hdisplay, m->vdisplay, m->vrefresh);
 414                 return -ENOMEM;
 415         }
 416
 417         drm_mode_set_name(mode);
 418
 419         drm_mode_probed_add(panel->connector, mode);
 420
 421         panel->connector->display_info.width_mm =
 422                         innolux->desc->size.width;
 423         panel->connector->display_info.height_mm =
 424                         innolux->desc->size.height;
 425         panel->connector->display_info.bpc = innolux->desc->bpc;
 426
 427         return 1;
 428 }
 429
 430 static const struct drm_panel_funcs innolux_panel_funcs = {
 431         .disable = innolux_panel_disable,
 432         .unprepare = innolux_panel_unprepare,
 433         .prepare = innolux_panel_prepare,
 434         .enable = innolux_panel_enable,
 435         .get_modes = innolux_panel_get_modes,
 436 };
 437
 438 static const struct of_device_id innolux_of_match[] = {
 439         { .compatible = "innolux,p079zca",
 440           .data = &innolux_p079zca_panel_desc
 441         },
 442         { .compatible = "innolux,p097pfg",
 443           .data = &innolux_p097pfg_panel_desc
 444         },
 445         { }
 446 };
 447 MODULE_DEVICE_TABLE(of, innolux_of_match);
 448
 449 static int innolux_panel_add(struct mipi_dsi_device *dsi,
 450                              const struct panel_desc *desc)
 451 {
 452         struct innolux_panel *innolux;
 453         struct device *dev = &dsi->dev;
 454         int err, i;
 455
 456         innolux = devm_kzalloc(dev, sizeof(*innolux), GFP_KERNEL);
 457         if (!innolux)
 458                 return -ENOMEM;
 459
 460         innolux->desc = desc;
 461
 462         innolux->supplies = devm_kcalloc(dev, desc->num_supplies,
 463                                          sizeof(*innolux->supplies),
 464                                          GFP_KERNEL);
 465         if (!innolux->supplies)
 466                 return -ENOMEM;
 467
 468         for (i = 0; i < desc->num_supplies; i++)
 469                 innolux->supplies[i].supply = desc->supply_names[i];
 470
 471         err = devm_regulator_bulk_get(dev, desc->num_supplies,
 472                                       innolux->supplies);
 473         if (err < 0)
 474                 return err;
 475
 476         innolux->enable_gpio = devm_gpiod_get_optional(dev, "enable",
 477                                                        GPIOD_OUT_HIGH);
 478         if (IS_ERR(innolux->enable_gpio)) {
 479                 err = PTR_ERR(innolux->enable_gpio);
 480                 dev_dbg(dev, "failed to get enable gpio: %d\n", err);
 481                 innolux->enable_gpio = NULL;
 482         }
 483
 484         innolux->backlight = devm_of_find_backlight(dev);
 485         if (IS_ERR(innolux->backlight))
 486                 return PTR_ERR(innolux->backlight);
 487
 488         drm_panel_init(&innolux->base);
 489         innolux->base.funcs = &innolux_panel_funcs;
 490         innolux->base.dev = dev;
 491
 492         err = drm_panel_add(&innolux->base);
 493         if (err < 0)
 494                 return err;
 495
 496         mipi_dsi_set_drvdata(dsi, innolux);
 497         innolux->link = dsi;
 498
 499         return 0;
 500 }
 501
 502 static void innolux_panel_del(struct innolux_panel *innolux)
 503 {
 504         drm_panel_remove(&innolux->base);
 505 }
 506
 507 static int innolux_panel_probe(struct mipi_dsi_device *dsi)
 508 {
 509         const struct panel_desc *desc;
 510         int err;
 511
 512         desc = of_device_get_match_data(&dsi->dev);
 513         dsi->mode_flags = desc->flags;
 514         dsi->format = desc->format;
 515         dsi->lanes = desc->lanes;
 516
 517         err = innolux_panel_add(dsi, desc);
 518         if (err < 0)
 519                 return err;
 520
 521         return mipi_dsi_attach(dsi);
 522 }
 523
 524 static int innolux_panel_remove(struct mipi_dsi_device *dsi)
 525 {
 526         struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi);
 527         int err;
 528
 529         err = innolux_panel_unprepare(&innolux->base);
 530         if (err < 0)
 531                 DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n",
 532                               err);
 533
 534         err = innolux_panel_disable(&innolux->base);
 535         if (err < 0)
 536                 DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", err);
 537
 538         err = mipi_dsi_detach(dsi);
 539         if (err < 0)
 540                 DRM_DEV_ERROR(&dsi->dev, "failed to detach from DSI host: %d\n",
 541                               err);
 542
 543         innolux_panel_del(innolux);
 544
 545         return 0;
 546 }
 547
 548 static void innolux_panel_shutdown(struct mipi_dsi_device *dsi)
 549 {
 550         struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi);
 551
 552         innolux_panel_unprepare(&innolux->base);
 553         innolux_panel_disable(&innolux->base);
 554 }
 555
 556 static struct mipi_dsi_driver innolux_panel_driver = {
 557         .driver = {
 558                 .name = "panel-innolux-p079zca",
 559                 .of_match_table = innolux_of_match,
 560         },
 561         .probe = innolux_panel_probe,
 562         .remove = innolux_panel_remove,
 563         .shutdown = innolux_panel_shutdown,
 564 };
 565 module_mipi_dsi_driver(innolux_panel_driver);
 566
 567 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
 568 MODULE_AUTHOR("Lin Huang <hl@rock-chips.com>");
 569 MODULE_DESCRIPTION("Innolux P079ZCA panel driver");
 570 MODULE_LICENSE("GPL v2");