drivers/platform/x86/touchscreen_dmi.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Touchscreen driver DMI based configuration code
   4  *
   5  * Copyright (c) 2017 Red Hat Inc.
   6  *
   7  * Red Hat authors:
   8  * Hans de Goede <hdegoede@redhat.com>
   9  */
  10
  11 #include <linux/acpi.h>
  12 #include <linux/device.h>
  13 #include <linux/dmi.h>
  14 #include <linux/i2c.h>
  15 #include <linux/notifier.h>
  16 #include <linux/property.h>
  17 #include <linux/string.h>
  18
  19 struct ts_dmi_data {
  20         const char *acpi_name;
  21         const struct property_entry *properties;
  22 };
  23
  24 /* NOTE: Please keep all entries sorted alphabetically */
  25
  26 static const struct property_entry chuwi_hi8_props[] = {
  27         PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
  28         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
  29         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  30         PROPERTY_ENTRY_BOOL("silead,home-button"),
  31         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
  32         { }
  33 };
  34
  35 static const struct ts_dmi_data chuwi_hi8_data = {
  36         .acpi_name      = "MSSL0001:00",
  37         .properties     = chuwi_hi8_props,
  38 };
  39
  40 static const struct property_entry chuwi_hi8_air_props[] = {
  41         PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
  42         PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
  43         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  44         PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-hi8-air.fw"),
  45         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
  46         { }
  47 };
  48
  49 static const struct ts_dmi_data chuwi_hi8_air_data = {
  50         .acpi_name      = "MSSL1680:00",
  51         .properties     = chuwi_hi8_air_props,
  52 };
  53
  54 static const struct property_entry chuwi_hi8_pro_props[] = {
  55         PROPERTY_ENTRY_U32("touchscreen-min-x", 6),
  56         PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
  57         PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
  58         PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
  59         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  60         PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-hi8-pro.fw"),
  61         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
  62         PROPERTY_ENTRY_BOOL("silead,home-button"),
  63         { }
  64 };
  65
  66 static const struct ts_dmi_data chuwi_hi8_pro_data = {
  67         .acpi_name      = "MSSL1680:00",
  68         .properties     = chuwi_hi8_pro_props,
  69 };
  70
  71 static const struct property_entry chuwi_hi10_air_props[] = {
  72         PROPERTY_ENTRY_U32("touchscreen-size-x", 1981),
  73         PROPERTY_ENTRY_U32("touchscreen-size-y", 1271),
  74         PROPERTY_ENTRY_U32("touchscreen-min-x", 99),
  75         PROPERTY_ENTRY_U32("touchscreen-min-y", 9),
  76         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  77         PROPERTY_ENTRY_U32("touchscreen-fuzz-x", 5),
  78         PROPERTY_ENTRY_U32("touchscreen-fuzz-y", 4),
  79         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10-air.fw"),
  80         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
  81         PROPERTY_ENTRY_BOOL("silead,home-button"),
  82         { }
  83 };
  84
  85 static const struct ts_dmi_data chuwi_hi10_air_data = {
  86         .acpi_name      = "MSSL1680:00",
  87         .properties     = chuwi_hi10_air_props,
  88 };
  89
  90 static const struct property_entry chuwi_hi10_plus_props[] = {
  91         PROPERTY_ENTRY_U32("touchscreen-min-x", 0),
  92         PROPERTY_ENTRY_U32("touchscreen-min-y", 5),
  93         PROPERTY_ENTRY_U32("touchscreen-size-x", 1914),
  94         PROPERTY_ENTRY_U32("touchscreen-size-y", 1283),
  95         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10plus.fw"),
  96         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
  97         PROPERTY_ENTRY_BOOL("silead,home-button"),
  98         { }
  99 };
 100
 101 static const struct ts_dmi_data chuwi_hi10_plus_data = {
 102         .acpi_name      = "MSSL0017:00",
 103         .properties     = chuwi_hi10_plus_props,
 104 };
 105
 106 static const struct property_entry chuwi_vi8_props[] = {
 107         PROPERTY_ENTRY_U32("touchscreen-min-x", 4),
 108         PROPERTY_ENTRY_U32("touchscreen-min-y", 6),
 109         PROPERTY_ENTRY_U32("touchscreen-size-x", 1724),
 110         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
 111         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 112         PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-vi8.fw"),
 113         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 114         PROPERTY_ENTRY_BOOL("silead,home-button"),
 115         { }
 116 };
 117
 118 static const struct ts_dmi_data chuwi_vi8_data = {
 119         .acpi_name      = "MSSL1680:00",
 120         .properties     = chuwi_vi8_props,
 121 };
 122
 123 static const struct property_entry chuwi_vi10_props[] = {
 124         PROPERTY_ENTRY_U32("touchscreen-min-x", 0),
 125         PROPERTY_ENTRY_U32("touchscreen-min-y", 4),
 126         PROPERTY_ENTRY_U32("touchscreen-size-x", 1858),
 127         PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
 128         PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-vi10.fw"),
 129         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 130         PROPERTY_ENTRY_BOOL("silead,home-button"),
 131         { }
 132 };
 133
 134 static const struct ts_dmi_data chuwi_vi10_data = {
 135         .acpi_name      = "MSSL0002:00",
 136         .properties     = chuwi_vi10_props,
 137 };
 138
 139 static const struct property_entry connect_tablet9_props[] = {
 140         PROPERTY_ENTRY_U32("touchscreen-min-x", 9),
 141         PROPERTY_ENTRY_U32("touchscreen-min-y", 10),
 142         PROPERTY_ENTRY_U32("touchscreen-size-x", 1664),
 143         PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
 144         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 145         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 146         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-connect-tablet9.fw"),
 147         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 148         { }
 149 };
 150
 151 static const struct ts_dmi_data connect_tablet9_data = {
 152         .acpi_name      = "MSSL1680:00",
 153         .properties     = connect_tablet9_props,
 154 };
 155
 156 static const struct property_entry cube_iwork8_air_props[] = {
 157         PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
 158         PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
 159         PROPERTY_ENTRY_U32("touchscreen-size-x", 1664),
 160         PROPERTY_ENTRY_U32("touchscreen-size-y", 896),
 161         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 162         PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-cube-iwork8-air.fw"),
 163         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 164         { }
 165 };
 166
 167 static const struct ts_dmi_data cube_iwork8_air_data = {
 168         .acpi_name      = "MSSL1680:00",
 169         .properties     = cube_iwork8_air_props,
 170 };
 171
 172 static const struct property_entry cube_knote_i1101_props[] = {
 173         PROPERTY_ENTRY_U32("touchscreen-min-x", 20),
 174         PROPERTY_ENTRY_U32("touchscreen-min-y",  22),
 175         PROPERTY_ENTRY_U32("touchscreen-size-x", 1961),
 176         PROPERTY_ENTRY_U32("touchscreen-size-y", 1513),
 177         PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-cube-knote-i1101.fw"),
 178         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 179         PROPERTY_ENTRY_BOOL("silead,home-button"),
 180         { }
 181 };
 182
 183 static const struct ts_dmi_data cube_knote_i1101_data = {
 184         .acpi_name      = "MSSL1680:00",
 185         .properties     = cube_knote_i1101_props,
 186 };
 187
 188 static const struct property_entry dexp_ursus_7w_props[] = {
 189         PROPERTY_ENTRY_U32("touchscreen-size-x", 890),
 190         PROPERTY_ENTRY_U32("touchscreen-size-y", 630),
 191         PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-dexp-ursus-7w.fw"),
 192         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 193         PROPERTY_ENTRY_BOOL("silead,home-button"),
 194         { }
 195 };
 196
 197 static const struct ts_dmi_data dexp_ursus_7w_data = {
 198         .acpi_name      = "MSSL1680:00",
 199         .properties     = dexp_ursus_7w_props,
 200 };
 201
 202 static const struct property_entry digma_citi_e200_props[] = {
 203         PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 204         PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
 205         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 206         PROPERTY_ENTRY_STRING("firmware-name",
 207                               "gsl1686-digma_citi_e200.fw"),
 208         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 209         PROPERTY_ENTRY_BOOL("silead,home-button"),
 210         { }
 211 };
 212
 213 static const struct ts_dmi_data digma_citi_e200_data = {
 214         .acpi_name      = "MSSL1680:00",
 215         .properties     = digma_citi_e200_props,
 216 };
 217
 218 static const struct property_entry gp_electronic_t701_props[] = {
 219         PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
 220         PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
 221         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 222         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 223         PROPERTY_ENTRY_STRING("firmware-name",
 224                               "gsl1680-gp-electronic-t701.fw"),
 225         { }
 226 };
 227
 228 static const struct ts_dmi_data gp_electronic_t701_data = {
 229         .acpi_name      = "MSSL1680:00",
 230         .properties     = gp_electronic_t701_props,
 231 };
 232
 233 static const struct property_entry itworks_tw891_props[] = {
 234         PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
 235         PROPERTY_ENTRY_U32("touchscreen-min-y", 5),
 236         PROPERTY_ENTRY_U32("touchscreen-size-x", 1600),
 237         PROPERTY_ENTRY_U32("touchscreen-size-y", 896),
 238         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 239         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 240         PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-itworks-tw891.fw"),
 241         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 242         { }
 243 };
 244
 245 static const struct ts_dmi_data itworks_tw891_data = {
 246         .acpi_name      = "MSSL1680:00",
 247         .properties     = itworks_tw891_props,
 248 };
 249
 250 static const struct property_entry jumper_ezpad_6_pro_props[] = {
 251         PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 252         PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
 253         PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-pro.fw"),
 254         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 255         PROPERTY_ENTRY_BOOL("silead,home-button"),
 256         { }
 257 };
 258
 259 static const struct ts_dmi_data jumper_ezpad_6_pro_data = {
 260         .acpi_name      = "MSSL1680:00",
 261         .properties     = jumper_ezpad_6_pro_props,
 262 };
 263
 264 static const struct property_entry jumper_ezpad_6_pro_b_props[] = {
 265         PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 266         PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
 267         PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-pro-b.fw"),
 268         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 269         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 270         PROPERTY_ENTRY_BOOL("silead,home-button"),
 271         { }
 272 };
 273
 274 static const struct ts_dmi_data jumper_ezpad_6_pro_b_data = {
 275         .acpi_name      = "MSSL1680:00",
 276         .properties     = jumper_ezpad_6_pro_b_props,
 277 };
 278
 279 static const struct property_entry jumper_ezpad_mini3_props[] = {
 280         PROPERTY_ENTRY_U32("touchscreen-min-x", 23),
 281         PROPERTY_ENTRY_U32("touchscreen-min-y", 16),
 282         PROPERTY_ENTRY_U32("touchscreen-size-x", 1700),
 283         PROPERTY_ENTRY_U32("touchscreen-size-y", 1138),
 284         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 285         PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-jumper-ezpad-mini3.fw"),
 286         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 287         { }
 288 };
 289
 290 static const struct ts_dmi_data jumper_ezpad_mini3_data = {
 291         .acpi_name      = "MSSL1680:00",
 292         .properties     = jumper_ezpad_mini3_props,
 293 };
 294
 295 static const struct property_entry myria_my8307_props[] = {
 296         PROPERTY_ENTRY_U32("touchscreen-size-x", 1720),
 297         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
 298         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 299         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 300         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 301         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-myria-my8307.fw"),
 302         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 303         PROPERTY_ENTRY_BOOL("silead,home-button"),
 304         { }
 305 };
 306
 307 static const struct ts_dmi_data myria_my8307_data = {
 308         .acpi_name      = "MSSL1680:00",
 309         .properties     = myria_my8307_props,
 310 };
 311
 312 static const struct property_entry onda_obook_20_plus_props[] = {
 313         PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
 314         PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
 315         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 316         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 317         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 318         PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-onda-obook-20-plus.fw"),
 319         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 320         PROPERTY_ENTRY_BOOL("silead,home-button"),
 321         { }
 322 };
 323
 324 static const struct ts_dmi_data onda_obook_20_plus_data = {
 325         .acpi_name      = "MSSL1680:00",
 326         .properties     = onda_obook_20_plus_props,
 327 };
 328
 329 static const struct property_entry onda_v80_plus_v3_props[] = {
 330         PROPERTY_ENTRY_U32("touchscreen-min-x", 22),
 331         PROPERTY_ENTRY_U32("touchscreen-min-y", 15),
 332         PROPERTY_ENTRY_U32("touchscreen-size-x", 1698),
 333         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
 334         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 335         PROPERTY_ENTRY_STRING("firmware-name",
 336                               "gsl3676-onda-v80-plus-v3.fw"),
 337         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 338         PROPERTY_ENTRY_BOOL("silead,home-button"),
 339         { }
 340 };
 341
 342 static const struct ts_dmi_data onda_v80_plus_v3_data = {
 343         .acpi_name      = "MSSL1680:00",
 344         .properties     = onda_v80_plus_v3_props,
 345 };
 346
 347 static const struct property_entry onda_v820w_32g_props[] = {
 348         PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
 349         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
 350         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 351         PROPERTY_ENTRY_STRING("firmware-name",
 352                               "gsl1680-onda-v820w-32g.fw"),
 353         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 354         PROPERTY_ENTRY_BOOL("silead,home-button"),
 355         { }
 356 };
 357
 358 static const struct ts_dmi_data onda_v820w_32g_data = {
 359         .acpi_name      = "MSSL1680:00",
 360         .properties     = onda_v820w_32g_props,
 361 };
 362
 363 static const struct property_entry onda_v891w_v1_props[] = {
 364         PROPERTY_ENTRY_U32("touchscreen-min-x", 46),
 365         PROPERTY_ENTRY_U32("touchscreen-min-y",  8),
 366         PROPERTY_ENTRY_U32("touchscreen-size-x", 1676),
 367         PROPERTY_ENTRY_U32("touchscreen-size-y", 1130),
 368         PROPERTY_ENTRY_STRING("firmware-name",
 369                               "gsl3680-onda-v891w-v1.fw"),
 370         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 371         PROPERTY_ENTRY_BOOL("silead,home-button"),
 372         { }
 373 };
 374
 375 static const struct ts_dmi_data onda_v891w_v1_data = {
 376         .acpi_name      = "MSSL1680:00",
 377         .properties     = onda_v891w_v1_props,
 378 };
 379
 380 static const struct property_entry onda_v891w_v3_props[] = {
 381         PROPERTY_ENTRY_U32("touchscreen-min-x", 35),
 382         PROPERTY_ENTRY_U32("touchscreen-min-y", 15),
 383         PROPERTY_ENTRY_U32("touchscreen-size-x", 1625),
 384         PROPERTY_ENTRY_U32("touchscreen-size-y", 1135),
 385         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 386         PROPERTY_ENTRY_STRING("firmware-name",
 387                               "gsl3676-onda-v891w-v3.fw"),
 388         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 389         PROPERTY_ENTRY_BOOL("silead,home-button"),
 390         { }
 391 };
 392
 393 static const struct ts_dmi_data onda_v891w_v3_data = {
 394         .acpi_name      = "MSSL1680:00",
 395         .properties     = onda_v891w_v3_props,
 396 };
 397
 398 static const struct property_entry pipo_w2s_props[] = {
 399         PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
 400         PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
 401         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 402         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 403         PROPERTY_ENTRY_STRING("firmware-name",
 404                               "gsl1680-pipo-w2s.fw"),
 405         { }
 406 };
 407
 408 static const struct ts_dmi_data pipo_w2s_data = {
 409         .acpi_name      = "MSSL1680:00",
 410         .properties     = pipo_w2s_props,
 411 };
 412
 413 static const struct property_entry pov_mobii_wintab_p800w_v20_props[] = {
 414         PROPERTY_ENTRY_U32("touchscreen-min-x", 32),
 415         PROPERTY_ENTRY_U32("touchscreen-min-y", 16),
 416         PROPERTY_ENTRY_U32("touchscreen-size-x", 1692),
 417         PROPERTY_ENTRY_U32("touchscreen-size-y", 1146),
 418         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 419         PROPERTY_ENTRY_STRING("firmware-name",
 420                               "gsl3680-pov-mobii-wintab-p800w-v20.fw"),
 421         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 422         PROPERTY_ENTRY_BOOL("silead,home-button"),
 423         { }
 424 };
 425
 426 static const struct ts_dmi_data pov_mobii_wintab_p800w_v20_data = {
 427         .acpi_name      = "MSSL1680:00",
 428         .properties     = pov_mobii_wintab_p800w_v20_props,
 429 };
 430
 431 static const struct property_entry pov_mobii_wintab_p800w_v21_props[] = {
 432         PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
 433         PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
 434         PROPERTY_ENTRY_U32("touchscreen-size-x", 1794),
 435         PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
 436         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 437         PROPERTY_ENTRY_STRING("firmware-name",
 438                               "gsl3692-pov-mobii-wintab-p800w.fw"),
 439         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 440         PROPERTY_ENTRY_BOOL("silead,home-button"),
 441         { }
 442 };
 443
 444 static const struct ts_dmi_data pov_mobii_wintab_p800w_v21_data = {
 445         .acpi_name      = "MSSL1680:00",
 446         .properties     = pov_mobii_wintab_p800w_v21_props,
 447 };
 448
 449 static const struct property_entry pov_mobii_wintab_p1006w_v10_props[] = {
 450         PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
 451         PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
 452         PROPERTY_ENTRY_U32("touchscreen-size-x", 1984),
 453         PROPERTY_ENTRY_U32("touchscreen-size-y", 1520),
 454         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 455         PROPERTY_ENTRY_STRING("firmware-name",
 456                               "gsl3692-pov-mobii-wintab-p1006w-v10.fw"),
 457         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 458         PROPERTY_ENTRY_BOOL("silead,home-button"),
 459         { }
 460 };
 461
 462 static const struct ts_dmi_data pov_mobii_wintab_p1006w_v10_data = {
 463         .acpi_name      = "MSSL1680:00",
 464         .properties     = pov_mobii_wintab_p1006w_v10_props,
 465 };
 466
 467 static const struct property_entry teclast_x3_plus_props[] = {
 468         PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 469         PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
 470         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-teclast-x3-plus.fw"),
 471         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 472         PROPERTY_ENTRY_BOOL("silead,home-button"),
 473         { }
 474 };
 475
 476 static const struct ts_dmi_data teclast_x3_plus_data = {
 477         .acpi_name      = "MSSL1680:00",
 478         .properties     = teclast_x3_plus_props,
 479 };
 480
 481 static const struct property_entry teclast_x98plus2_props[] = {
 482         PROPERTY_ENTRY_U32("touchscreen-size-x", 2048),
 483         PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
 484         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 485         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 486         PROPERTY_ENTRY_STRING("firmware-name",
 487                               "gsl1686-teclast_x98plus2.fw"),
 488         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 489         { }
 490 };
 491
 492 static const struct ts_dmi_data teclast_x98plus2_data = {
 493         .acpi_name      = "MSSL1680:00",
 494         .properties     = teclast_x98plus2_props,
 495 };
 496
 497 static const struct property_entry trekstor_primebook_c11_props[] = {
 498         PROPERTY_ENTRY_U32("touchscreen-size-x", 1970),
 499         PROPERTY_ENTRY_U32("touchscreen-size-y", 1530),
 500         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 501         PROPERTY_ENTRY_STRING("firmware-name",
 502                               "gsl1680-trekstor-primebook-c11.fw"),
 503         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 504         PROPERTY_ENTRY_BOOL("silead,home-button"),
 505         { }
 506 };
 507
 508 static const struct ts_dmi_data trekstor_primebook_c11_data = {
 509         .acpi_name      = "MSSL1680:00",
 510         .properties     = trekstor_primebook_c11_props,
 511 };
 512
 513 static const struct property_entry trekstor_primebook_c13_props[] = {
 514         PROPERTY_ENTRY_U32("touchscreen-size-x", 2624),
 515         PROPERTY_ENTRY_U32("touchscreen-size-y", 1920),
 516         PROPERTY_ENTRY_STRING("firmware-name",
 517                               "gsl1680-trekstor-primebook-c13.fw"),
 518         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 519         PROPERTY_ENTRY_BOOL("silead,home-button"),
 520         { }
 521 };
 522
 523 static const struct ts_dmi_data trekstor_primebook_c13_data = {
 524         .acpi_name      = "MSSL1680:00",
 525         .properties     = trekstor_primebook_c13_props,
 526 };
 527
 528 static const struct property_entry trekstor_primetab_t13b_props[] = {
 529         PROPERTY_ENTRY_U32("touchscreen-size-x", 2500),
 530         PROPERTY_ENTRY_U32("touchscreen-size-y", 1900),
 531         PROPERTY_ENTRY_STRING("firmware-name",
 532                               "gsl1680-trekstor-primetab-t13b.fw"),
 533         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 534         PROPERTY_ENTRY_BOOL("silead,home-button"),
 535         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 536         { }
 537 };
 538
 539 static const struct ts_dmi_data trekstor_primetab_t13b_data = {
 540         .acpi_name  = "MSSL1680:00",
 541         .properties = trekstor_primetab_t13b_props,
 542 };
 543
 544 static const struct property_entry trekstor_surftab_twin_10_1_props[] = {
 545         PROPERTY_ENTRY_U32("touchscreen-size-x", 1900),
 546         PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
 547         PROPERTY_ENTRY_U32("touchscreen-inverted-y", 1),
 548         PROPERTY_ENTRY_STRING("firmware-name",
 549                               "gsl3670-surftab-twin-10-1-st10432-8.fw"),
 550         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 551         { }
 552 };
 553
 554 static const struct ts_dmi_data trekstor_surftab_twin_10_1_data = {
 555         .acpi_name      = "MSSL1680:00",
 556         .properties     = trekstor_surftab_twin_10_1_props,
 557 };
 558
 559 static const struct property_entry trekstor_surftab_wintron70_props[] = {
 560         PROPERTY_ENTRY_U32("touchscreen-min-x", 12),
 561         PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
 562         PROPERTY_ENTRY_U32("touchscreen-size-x", 884),
 563         PROPERTY_ENTRY_U32("touchscreen-size-y", 632),
 564         PROPERTY_ENTRY_STRING("firmware-name",
 565                               "gsl1686-surftab-wintron70-st70416-6.fw"),
 566         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 567         PROPERTY_ENTRY_BOOL("silead,home-button"),
 568         { }
 569 };
 570
 571 static const struct ts_dmi_data trekstor_surftab_wintron70_data = {
 572         .acpi_name      = "MSSL1680:00",
 573         .properties     = trekstor_surftab_wintron70_props,
 574 };
 575
 576 /* NOTE: Please keep this table sorted alphabetically */
 577 static const struct dmi_system_id touchscreen_dmi_table[] = {
 578         {
 579                 /* Chuwi Hi8 */
 580                 .driver_data = (void *)&chuwi_hi8_data,
 581                 .matches = {
 582                         DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
 583                         DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
 584                 },
 585         },
 586         {
 587                 /* Chuwi Hi8 (H1D_S806_206) */
 588                 .driver_data = (void *)&chuwi_hi8_data,
 589                 .matches = {
 590                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 591                         DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
 592                         DMI_MATCH(DMI_BIOS_VERSION, "H1D_S806_206"),
 593                 },
 594         },
 595         {
 596                 /* Chuwi Hi8 Air (CWI543) */
 597                 .driver_data = (void *)&chuwi_hi8_air_data,
 598                 .matches = {
 599                         DMI_MATCH(DMI_BOARD_VENDOR, "Default string"),
 600                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 601                         DMI_MATCH(DMI_PRODUCT_NAME, "Hi8 Air"),
 602                 },
 603         },
 604         {
 605                 /* Chuwi Hi8 Pro (CWI513) */
 606                 .driver_data = (void *)&chuwi_hi8_pro_data,
 607                 .matches = {
 608                         DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
 609                         DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
 610                 },
 611         },
 612         {
 613                 /* Chuwi Hi10 Air */
 614                 .driver_data = (void *)&chuwi_hi10_air_data,
 615                 .matches = {
 616                         DMI_MATCH(DMI_SYS_VENDOR, "CHUWI INNOVATION AND TECHNOLOGY(SHENZHEN)CO.LTD"),
 617                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 618                         DMI_MATCH(DMI_PRODUCT_SKU, "P1W6_C109D_B"),
 619                 },
 620         },
 621         {
 622                 /* Chuwi Hi10 Plus (CWI527) */
 623                 .driver_data = (void *)&chuwi_hi10_plus_data,
 624                 .matches = {
 625                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 626                         DMI_MATCH(DMI_PRODUCT_NAME, "Hi10 plus tablet"),
 627                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 628                 },
 629         },
 630         {
 631                 /* Chuwi Vi8 (CWI506) */
 632                 .driver_data = (void *)&chuwi_vi8_data,
 633                 .matches = {
 634                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 635                         DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
 636                         DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
 637                 },
 638         },
 639         {
 640                 /* Chuwi Vi10 (CWI505) */
 641                 .driver_data = (void *)&chuwi_vi10_data,
 642                 .matches = {
 643                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 644                         DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
 645                         DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
 646                         DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
 647                 },
 648         },
 649         {
 650                 /* Connect Tablet 9 */
 651                 .driver_data = (void *)&connect_tablet9_data,
 652                 .matches = {
 653                         DMI_MATCH(DMI_SYS_VENDOR, "Connect"),
 654                         DMI_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
 655                 },
 656         },
 657         {
 658                 /* CUBE iwork8 Air */
 659                 .driver_data = (void *)&cube_iwork8_air_data,
 660                 .matches = {
 661                         DMI_MATCH(DMI_SYS_VENDOR, "cube"),
 662                         DMI_MATCH(DMI_PRODUCT_NAME, "i1-TF"),
 663                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 664                 },
 665         },
 666         {
 667                 /* Cube KNote i1101 */
 668                 .driver_data = (void *)&cube_knote_i1101_data,
 669                 .matches = {
 670                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 671                         DMI_MATCH(DMI_BOARD_NAME, "L1W6_I1101"),
 672                         DMI_MATCH(DMI_SYS_VENDOR, "ALLDOCUBE"),
 673                         DMI_MATCH(DMI_PRODUCT_NAME, "i1101"),
 674                 },
 675         },
 676         {
 677                 /* DEXP Ursus 7W */
 678                 .driver_data = (void *)&dexp_ursus_7w_data,
 679                 .matches = {
 680                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 681                         DMI_MATCH(DMI_PRODUCT_NAME, "7W"),
 682                 },
 683         },
 684         {
 685                 /* Digma Citi E200 */
 686                 .driver_data = (void *)&digma_citi_e200_data,
 687                 .matches = {
 688                         DMI_MATCH(DMI_SYS_VENDOR, "Digma"),
 689                         DMI_MATCH(DMI_PRODUCT_NAME, "CITI E200"),
 690                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 691                 },
 692         },
 693         {
 694                 /* GP-electronic T701 */
 695                 .driver_data = (void *)&gp_electronic_t701_data,
 696                 .matches = {
 697                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 698                         DMI_MATCH(DMI_PRODUCT_NAME, "T701"),
 699                         DMI_MATCH(DMI_BIOS_VERSION, "BYT70A.YNCHENG.WIN.007"),
 700                 },
 701         },
 702         {
 703                 /* I.T.Works TW701 (same hardware as the Trekstor ST70416-6) */
 704                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 705                 .matches = {
 706                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 707                         DMI_MATCH(DMI_PRODUCT_NAME, "i71c"),
 708                         DMI_MATCH(DMI_BIOS_VERSION, "itWORKS.G.WI71C.JGBMRB"),
 709                 },
 710         },
 711         {
 712                 /* I.T.Works TW891 */
 713                 .driver_data = (void *)&itworks_tw891_data,
 714                 .matches = {
 715                         DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
 716                         DMI_MATCH(DMI_PRODUCT_NAME, "TW891"),
 717                 },
 718         },
 719         {
 720                 /* Jumper EZpad 6 Pro */
 721                 .driver_data = (void *)&jumper_ezpad_6_pro_data,
 722                 .matches = {
 723                         DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
 724                         DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
 725                         DMI_MATCH(DMI_BIOS_VERSION, "5.12"),
 726                         /* Above matches are too generic, add bios-date match */
 727                         DMI_MATCH(DMI_BIOS_DATE, "08/18/2017"),
 728                 },
 729         },
 730         {
 731                 /* Jumper EZpad 6 Pro B */
 732                 .driver_data = (void *)&jumper_ezpad_6_pro_b_data,
 733                 .matches = {
 734                         DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
 735                         DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
 736                         DMI_MATCH(DMI_BIOS_VERSION, "5.12"),
 737                         /* Above matches are too generic, add bios-date match */
 738                         DMI_MATCH(DMI_BIOS_DATE, "04/24/2018"),
 739                 },
 740         },
 741         {
 742                 /* Jumper EZpad mini3 */
 743                 .driver_data = (void *)&jumper_ezpad_mini3_data,
 744                 .matches = {
 745                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 746                         /* jumperx.T87.KFBNEEA02 with the version-nr dropped */
 747                         DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
 748                 },
 749         },
 750         {
 751                 /* Mediacom Flexbook Edge 11 (same hw as TS Primebook C11) */
 752                 .driver_data = (void *)&trekstor_primebook_c11_data,
 753                 .matches = {
 754                         DMI_MATCH(DMI_SYS_VENDOR, "MEDIACOM"),
 755                         DMI_MATCH(DMI_PRODUCT_NAME, "FlexBook edge11 - M-FBE11"),
 756                 },
 757         },
 758         {
 759                 /* Myria MY8307 */
 760                 .driver_data = (void *)&myria_my8307_data,
 761                 .matches = {
 762                         DMI_MATCH(DMI_SYS_VENDOR, "Complet Electro Serv"),
 763                         DMI_MATCH(DMI_PRODUCT_NAME, "MY8307"),
 764                 },
 765         },
 766         {
 767                 /* Onda oBook 20 Plus */
 768                 .driver_data = (void *)&onda_obook_20_plus_data,
 769                 .matches = {
 770                         DMI_MATCH(DMI_SYS_VENDOR, "ONDA"),
 771                         DMI_MATCH(DMI_PRODUCT_NAME, "OBOOK 20 PLUS"),
 772                 },
 773         },
 774         {
 775                 /* ONDA V80 plus v3 (P80PSBG9V3A01501) */
 776                 .driver_data = (void *)&onda_v80_plus_v3_data,
 777                 .matches = {
 778                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ONDA"),
 779                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "V80 PLUS")
 780                 },
 781         },
 782         {
 783                 /* ONDA V820w DualOS */
 784                 .driver_data = (void *)&onda_v820w_32g_data,
 785                 .matches = {
 786                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"),
 787                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "V820w DualOS")
 788                 },
 789         },
 790         {
 791                 /* ONDA V891w revision P891WBEBV1B00 aka v1 */
 792                 .driver_data = (void *)&onda_v891w_v1_data,
 793                 .matches = {
 794                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"),
 795                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONDA Tablet"),
 796                         DMI_EXACT_MATCH(DMI_BOARD_VERSION, "V001"),
 797                         /* Exact match, different versions need different fw */
 798                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "ONDA.W89EBBN08"),
 799                 },
 800         },
 801         {
 802                 /* ONDA V891w Dual OS P891DCF2V1A01274 64GB */
 803                 .driver_data = (void *)&onda_v891w_v3_data,
 804                 .matches = {
 805                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 806                         DMI_MATCH(DMI_PRODUCT_NAME, "ONDA Tablet"),
 807                         DMI_MATCH(DMI_BIOS_VERSION, "ONDA.D890HBBNR0A"),
 808                 },
 809         },
 810         {
 811                 /* Pipo W2S */
 812                 .driver_data = (void *)&pipo_w2s_data,
 813                 .matches = {
 814                         DMI_MATCH(DMI_SYS_VENDOR, "PIPO"),
 815                         DMI_MATCH(DMI_PRODUCT_NAME, "W2S"),
 816                 },
 817         },
 818         {
 819                 /* Ployer Momo7w (same hardware as the Trekstor ST70416-6) */
 820                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 821                 .matches = {
 822                         DMI_MATCH(DMI_SYS_VENDOR, "Shenzhen PLOYER"),
 823                         DMI_MATCH(DMI_PRODUCT_NAME, "MOMO7W"),
 824                         /* Exact match, different versions need different fw */
 825                         DMI_MATCH(DMI_BIOS_VERSION, "MOMO.G.WI71C.MABMRBA02"),
 826                 },
 827         },
 828         {
 829                 /* Point of View mobii wintab p800w (v2.0) */
 830                 .driver_data = (void *)&pov_mobii_wintab_p800w_v20_data,
 831                 .matches = {
 832                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 833                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 834                         DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
 835                         /* Above matches are too generic, add bios-date match */
 836                         DMI_MATCH(DMI_BIOS_DATE, "10/24/2014"),
 837                 },
 838         },
 839         {
 840                 /* Point of View mobii wintab p800w (v2.1) */
 841                 .driver_data = (void *)&pov_mobii_wintab_p800w_v21_data,
 842                 .matches = {
 843                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 844                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 845                         DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
 846                         /* Above matches are too generic, add bios-date match */
 847                         DMI_MATCH(DMI_BIOS_DATE, "08/22/2014"),
 848                 },
 849         },
 850         {
 851                 /* Point of View mobii wintab p1006w (v1.0) */
 852                 .driver_data = (void *)&pov_mobii_wintab_p1006w_v10_data,
 853                 .matches = {
 854                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
 855                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
 856                         /* Note 105b is Foxcon's USB/PCI vendor id */
 857                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),
 858                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),
 859                 },
 860         },
 861         {
 862                 /* Teclast X3 Plus */
 863                 .driver_data = (void *)&teclast_x3_plus_data,
 864                 .matches = {
 865                         DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
 866                         DMI_MATCH(DMI_PRODUCT_NAME, "X3 Plus"),
 867                         DMI_MATCH(DMI_BOARD_NAME, "X3 Plus"),
 868                 },
 869         },
 870         {
 871                 /* Teclast X98 Plus II */
 872                 .driver_data = (void *)&teclast_x98plus2_data,
 873                 .matches = {
 874                         DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
 875                         DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
 876                 },
 877         },
 878         {
 879                 /* Trekstor Primebook C11 */
 880                 .driver_data = (void *)&trekstor_primebook_c11_data,
 881                 .matches = {
 882                         DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
 883                         DMI_MATCH(DMI_PRODUCT_NAME, "Primebook C11"),
 884                 },
 885         },
 886         {
 887                 /* Trekstor Primebook C13 */
 888                 .driver_data = (void *)&trekstor_primebook_c13_data,
 889                 .matches = {
 890                         DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
 891                         DMI_MATCH(DMI_PRODUCT_NAME, "Primebook C13"),
 892                 },
 893         },
 894         {
 895                 /* Trekstor Primetab T13B */
 896                 .driver_data = (void *)&trekstor_primetab_t13b_data,
 897                 .matches = {
 898                         DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
 899                         DMI_MATCH(DMI_PRODUCT_NAME, "Primetab T13B"),
 900                 },
 901         },
 902         {
 903                 /* TrekStor SurfTab twin 10.1 ST10432-8 */
 904                 .driver_data = (void *)&trekstor_surftab_twin_10_1_data,
 905                 .matches = {
 906                         DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
 907                         DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab twin 10.1"),
 908                 },
 909         },
 910         {
 911                 /* Trekstor Surftab Wintron 7.0 ST70416-6 */
 912                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 913                 .matches = {
 914                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 915                         DMI_MATCH(DMI_PRODUCT_NAME, "ST70416-6"),
 916                         /* Exact match, different versions need different fw */
 917                         DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA04"),
 918                 },
 919         },
 920         {
 921                 /* Trekstor Surftab Wintron 7.0 ST70416-6, newer BIOS */
 922                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 923                 .matches = {
 924                         DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
 925                         DMI_MATCH(DMI_PRODUCT_NAME,
 926                                              "SurfTab wintron 7.0 ST70416-6"),
 927                         /* Exact match, different versions need different fw */
 928                         DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA05"),
 929                 },
 930         },
 931         {
 932                 /* Yours Y8W81, same case and touchscreen as Chuwi Vi8 */
 933                 .driver_data = (void *)&chuwi_vi8_data,
 934                 .matches = {
 935                         DMI_MATCH(DMI_SYS_VENDOR, "YOURS"),
 936                         DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"),
 937                 },
 938         },
 939         { },
 940 };
 941
 942 static const struct ts_dmi_data *ts_data;
 943
 944 static void ts_dmi_add_props(struct i2c_client *client)
 945 {
 946         struct device *dev = &client->dev;
 947         int error;
 948
 949         if (has_acpi_companion(dev) &&
 950             !strncmp(ts_data->acpi_name, client->name, I2C_NAME_SIZE)) {
 951                 error = device_add_properties(dev, ts_data->properties);
 952                 if (error)
 953                         dev_err(dev, "failed to add properties: %d\n", error);
 954         }
 955 }
 956
 957 static int ts_dmi_notifier_call(struct notifier_block *nb,
 958                                        unsigned long action, void *data)
 959 {
 960         struct device *dev = data;
 961         struct i2c_client *client;
 962
 963         switch (action) {
 964         case BUS_NOTIFY_ADD_DEVICE:
 965                 client = i2c_verify_client(dev);
 966                 if (client)
 967                         ts_dmi_add_props(client);
 968                 break;
 969
 970         default:
 971                 break;
 972         }
 973
 974         return 0;
 975 }
 976
 977 static struct notifier_block ts_dmi_notifier = {
 978         .notifier_call = ts_dmi_notifier_call,
 979 };
 980
 981 static int __init ts_dmi_init(void)
 982 {
 983         const struct dmi_system_id *dmi_id;
 984         int error;
 985
 986         dmi_id = dmi_first_match(touchscreen_dmi_table);
 987         if (!dmi_id)
 988                 return 0; /* Not an error */
 989
 990         ts_data = dmi_id->driver_data;
 991
 992         error = bus_register_notifier(&i2c_bus_type, &ts_dmi_notifier);
 993         if (error)
 994                 pr_err("%s: failed to register i2c bus notifier: %d\n",
 995                         __func__, error);
 996
 997         return error;
 998 }
 999
1000 /*
1001  * We are registering out notifier after i2c core is initialized and i2c bus
1002  * itself is ready (which happens at postcore initcall level), but before
1003  * ACPI starts enumerating devices (at subsys initcall level).
1004  */
1005 arch_initcall(ts_dmi_init);