drivers/platform/x86/touchscreen_dmi.c

   1 /*
   2  * Touchscreen driver DMI based configuration code
   3  *
   4  * Copyright (c) 2017 Red Hat Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Red Hat authors:
  12  * Hans de Goede <hdegoede@redhat.com>
  13  */
  14
  15 #include <linux/acpi.h>
  16 #include <linux/device.h>
  17 #include <linux/dmi.h>
  18 #include <linux/i2c.h>
  19 #include <linux/notifier.h>
  20 #include <linux/property.h>
  21 #include <linux/string.h>
  22
  23 struct ts_dmi_data {
  24         const char *acpi_name;
  25         const struct property_entry *properties;
  26 };
  27
  28 /* NOTE: Please keep all entries sorted alphabetically */
  29
  30 static const struct property_entry chuwi_hi8_props[] = {
  31         PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
  32         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
  33         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  34         PROPERTY_ENTRY_BOOL("silead,home-button"),
  35         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
  36         { }
  37 };
  38
  39 static const struct ts_dmi_data chuwi_hi8_data = {
  40         .acpi_name      = "MSSL0001:00",
  41         .properties     = chuwi_hi8_props,
  42 };
  43
  44 static const struct property_entry chuwi_hi8_pro_props[] = {
  45         PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
  46         PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
  47         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  48         PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-hi8-pro.fw"),
  49         PROPERTY_ENTRY_BOOL("silead,home-button"),
  50         { }
  51 };
  52
  53 static const struct ts_dmi_data chuwi_hi8_pro_data = {
  54         .acpi_name      = "MSSL1680:00",
  55         .properties     = chuwi_hi8_pro_props,
  56 };
  57
  58 static const struct property_entry chuwi_vi8_props[] = {
  59         PROPERTY_ENTRY_U32("touchscreen-size-x", 1724),
  60         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
  61         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  62         PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-vi8.fw"),
  63         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
  64         PROPERTY_ENTRY_BOOL("silead,home-button"),
  65         { }
  66 };
  67
  68 static const struct ts_dmi_data chuwi_vi8_data = {
  69         .acpi_name      = "MSSL1680:00",
  70         .properties     = chuwi_vi8_props,
  71 };
  72
  73 static const struct property_entry chuwi_vi10_props[] = {
  74         PROPERTY_ENTRY_U32("touchscreen-min-x", 0),
  75         PROPERTY_ENTRY_U32("touchscreen-min-y", 4),
  76         PROPERTY_ENTRY_U32("touchscreen-size-x", 1858),
  77         PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
  78         PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-vi10.fw"),
  79         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
  80         PROPERTY_ENTRY_BOOL("silead,home-button"),
  81         { }
  82 };
  83
  84 static const struct ts_dmi_data chuwi_vi10_data = {
  85         .acpi_name      = "MSSL0002:00",
  86         .properties     = chuwi_vi10_props,
  87 };
  88
  89 static const struct property_entry connect_tablet9_props[] = {
  90         PROPERTY_ENTRY_U32("touchscreen-min-x", 9),
  91         PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
  92         PROPERTY_ENTRY_U32("touchscreen-size-x", 1664),
  93         PROPERTY_ENTRY_U32("touchscreen-size-y", 878),
  94         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
  95         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
  96         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-connect-tablet9.fw"),
  97         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
  98         { }
  99 };
 100
 101 static const struct ts_dmi_data connect_tablet9_data = {
 102         .acpi_name      = "MSSL1680:00",
 103         .properties     = connect_tablet9_props,
 104 };
 105
 106 static const struct property_entry cube_iwork8_air_props[] = {
 107         PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
 108         PROPERTY_ENTRY_U32("touchscreen-size-y", 900),
 109         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 110         PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-cube-iwork8-air.fw"),
 111         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 112         { }
 113 };
 114
 115 static const struct ts_dmi_data cube_iwork8_air_data = {
 116         .acpi_name      = "MSSL1680:00",
 117         .properties     = cube_iwork8_air_props,
 118 };
 119
 120 static const struct property_entry cube_knote_i1101_props[] = {
 121         PROPERTY_ENTRY_U32("touchscreen-min-x", 20),
 122         PROPERTY_ENTRY_U32("touchscreen-min-y",  22),
 123         PROPERTY_ENTRY_U32("touchscreen-size-x", 1961),
 124         PROPERTY_ENTRY_U32("touchscreen-size-y", 1513),
 125         PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-cube-knote-i1101.fw"),
 126         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 127         PROPERTY_ENTRY_BOOL("silead,home-button"),
 128         { }
 129 };
 130
 131 static const struct ts_dmi_data cube_knote_i1101_data = {
 132         .acpi_name      = "MSSL1680:00",
 133         .properties     = cube_knote_i1101_props,
 134 };
 135
 136 static const struct property_entry dexp_ursus_7w_props[] = {
 137         PROPERTY_ENTRY_U32("touchscreen-size-x", 890),
 138         PROPERTY_ENTRY_U32("touchscreen-size-y", 630),
 139         PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-dexp-ursus-7w.fw"),
 140         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 141         PROPERTY_ENTRY_BOOL("silead,home-button"),
 142         { }
 143 };
 144
 145 static const struct ts_dmi_data dexp_ursus_7w_data = {
 146         .acpi_name      = "MSSL1680:00",
 147         .properties     = dexp_ursus_7w_props,
 148 };
 149
 150 static const struct property_entry digma_citi_e200_props[] = {
 151         PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 152         PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
 153         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 154         PROPERTY_ENTRY_STRING("firmware-name",
 155                               "gsl1686-digma_citi_e200.fw"),
 156         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 157         PROPERTY_ENTRY_BOOL("silead,home-button"),
 158         { }
 159 };
 160
 161 static const struct ts_dmi_data digma_citi_e200_data = {
 162         .acpi_name      = "MSSL1680:00",
 163         .properties     = digma_citi_e200_props,
 164 };
 165
 166 static const struct property_entry gp_electronic_t701_props[] = {
 167         PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
 168         PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
 169         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 170         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 171         PROPERTY_ENTRY_STRING("firmware-name",
 172                               "gsl1680-gp-electronic-t701.fw"),
 173         { }
 174 };
 175
 176 static const struct ts_dmi_data gp_electronic_t701_data = {
 177         .acpi_name      = "MSSL1680:00",
 178         .properties     = gp_electronic_t701_props,
 179 };
 180
 181 static const struct property_entry itworks_tw891_props[] = {
 182         PROPERTY_ENTRY_U32("touchscreen-size-x", 1600),
 183         PROPERTY_ENTRY_U32("touchscreen-size-y", 890),
 184         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 185         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 186         PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-itworks-tw891.fw"),
 187         { }
 188 };
 189
 190 static const struct ts_dmi_data itworks_tw891_data = {
 191         .acpi_name      = "MSSL1680:00",
 192         .properties     = itworks_tw891_props,
 193 };
 194
 195 static const struct property_entry jumper_ezpad_6_pro_props[] = {
 196         PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 197         PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
 198         PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-pro.fw"),
 199         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 200         PROPERTY_ENTRY_BOOL("silead,home-button"),
 201         { }
 202 };
 203
 204 static const struct ts_dmi_data jumper_ezpad_6_pro_data = {
 205         .acpi_name      = "MSSL1680:00",
 206         .properties     = jumper_ezpad_6_pro_props,
 207 };
 208
 209 static const struct property_entry jumper_ezpad_mini3_props[] = {
 210         PROPERTY_ENTRY_U32("touchscreen-size-x", 1700),
 211         PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
 212         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 213         PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-jumper-ezpad-mini3.fw"),
 214         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 215         { }
 216 };
 217
 218 static const struct ts_dmi_data jumper_ezpad_mini3_data = {
 219         .acpi_name      = "MSSL1680:00",
 220         .properties     = jumper_ezpad_mini3_props,
 221 };
 222
 223 static const struct property_entry onda_obook_20_plus_props[] = {
 224         PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
 225         PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
 226         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 227         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 228         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 229         PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-onda-obook-20-plus.fw"),
 230         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 231         PROPERTY_ENTRY_BOOL("silead,home-button"),
 232         { }
 233 };
 234
 235 static const struct ts_dmi_data onda_obook_20_plus_data = {
 236         .acpi_name      = "MSSL1680:00",
 237         .properties     = onda_obook_20_plus_props,
 238 };
 239
 240 static const struct property_entry onda_v820w_32g_props[] = {
 241         PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
 242         PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
 243         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 244         PROPERTY_ENTRY_STRING("firmware-name",
 245                               "gsl1680-onda-v820w-32g.fw"),
 246         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 247         PROPERTY_ENTRY_BOOL("silead,home-button"),
 248         { }
 249 };
 250
 251 static const struct ts_dmi_data onda_v820w_32g_data = {
 252         .acpi_name      = "MSSL1680:00",
 253         .properties     = onda_v820w_32g_props,
 254 };
 255
 256 static const struct property_entry onda_v891w_v1_props[] = {
 257         PROPERTY_ENTRY_U32("touchscreen-min-x", 46),
 258         PROPERTY_ENTRY_U32("touchscreen-min-y",  8),
 259         PROPERTY_ENTRY_U32("touchscreen-size-x", 1676),
 260         PROPERTY_ENTRY_U32("touchscreen-size-y", 1130),
 261         PROPERTY_ENTRY_STRING("firmware-name",
 262                               "gsl3680-onda-v891w-v1.fw"),
 263         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 264         PROPERTY_ENTRY_BOOL("silead,home-button"),
 265         { }
 266 };
 267
 268 static const struct ts_dmi_data onda_v891w_v1_data = {
 269         .acpi_name      = "MSSL1680:00",
 270         .properties     = onda_v891w_v1_props,
 271 };
 272
 273 static const struct property_entry onda_v891w_v3_props[] = {
 274         PROPERTY_ENTRY_U32("touchscreen-min-x", 35),
 275         PROPERTY_ENTRY_U32("touchscreen-min-y", 15),
 276         PROPERTY_ENTRY_U32("touchscreen-size-x", 1625),
 277         PROPERTY_ENTRY_U32("touchscreen-size-y", 1135),
 278         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 279         PROPERTY_ENTRY_STRING("firmware-name",
 280                               "gsl3676-onda-v891w-v3.fw"),
 281         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 282         PROPERTY_ENTRY_BOOL("silead,home-button"),
 283         { }
 284 };
 285
 286 static const struct ts_dmi_data onda_v891w_v3_data = {
 287         .acpi_name      = "MSSL1680:00",
 288         .properties     = onda_v891w_v3_props,
 289 };
 290
 291 static const struct property_entry pipo_w2s_props[] = {
 292         PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
 293         PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
 294         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 295         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 296         PROPERTY_ENTRY_STRING("firmware-name",
 297                               "gsl1680-pipo-w2s.fw"),
 298         { }
 299 };
 300
 301 static const struct ts_dmi_data pipo_w2s_data = {
 302         .acpi_name      = "MSSL1680:00",
 303         .properties     = pipo_w2s_props,
 304 };
 305
 306 static const struct property_entry pov_mobii_wintab_p800w_v20_props[] = {
 307         PROPERTY_ENTRY_U32("touchscreen-min-x", 32),
 308         PROPERTY_ENTRY_U32("touchscreen-min-y", 16),
 309         PROPERTY_ENTRY_U32("touchscreen-size-x", 1692),
 310         PROPERTY_ENTRY_U32("touchscreen-size-y", 1146),
 311         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 312         PROPERTY_ENTRY_STRING("firmware-name",
 313                               "gsl3680-pov-mobii-wintab-p800w-v20.fw"),
 314         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 315         PROPERTY_ENTRY_BOOL("silead,home-button"),
 316         { }
 317 };
 318
 319 static const struct ts_dmi_data pov_mobii_wintab_p800w_v20_data = {
 320         .acpi_name      = "MSSL1680:00",
 321         .properties     = pov_mobii_wintab_p800w_v20_props,
 322 };
 323
 324 static const struct property_entry pov_mobii_wintab_p800w_v21_props[] = {
 325         PROPERTY_ENTRY_U32("touchscreen-size-x", 1800),
 326         PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
 327         PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
 328         PROPERTY_ENTRY_STRING("firmware-name",
 329                               "gsl3692-pov-mobii-wintab-p800w.fw"),
 330         PROPERTY_ENTRY_BOOL("silead,home-button"),
 331         { }
 332 };
 333
 334 static const struct ts_dmi_data pov_mobii_wintab_p800w_v21_data = {
 335         .acpi_name      = "MSSL1680:00",
 336         .properties     = pov_mobii_wintab_p800w_v21_props,
 337 };
 338
 339 static const struct property_entry teclast_x3_plus_props[] = {
 340         PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 341         PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
 342         PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-teclast-x3-plus.fw"),
 343         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 344         PROPERTY_ENTRY_BOOL("silead,home-button"),
 345         { }
 346 };
 347
 348 static const struct ts_dmi_data teclast_x3_plus_data = {
 349         .acpi_name      = "MSSL1680:00",
 350         .properties     = teclast_x3_plus_props,
 351 };
 352
 353 static const struct property_entry teclast_x98plus2_props[] = {
 354         PROPERTY_ENTRY_U32("touchscreen-size-x", 2048),
 355         PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
 356         PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
 357         PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
 358         PROPERTY_ENTRY_STRING("firmware-name",
 359                               "gsl1686-teclast_x98plus2.fw"),
 360         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 361         { }
 362 };
 363
 364 static const struct ts_dmi_data teclast_x98plus2_data = {
 365         .acpi_name      = "MSSL1680:00",
 366         .properties     = teclast_x98plus2_props,
 367 };
 368
 369 static const struct property_entry trekstor_primebook_c13_props[] = {
 370         PROPERTY_ENTRY_U32("touchscreen-size-x", 2624),
 371         PROPERTY_ENTRY_U32("touchscreen-size-y", 1920),
 372         PROPERTY_ENTRY_STRING("firmware-name",
 373                               "gsl1680-trekstor-primebook-c13.fw"),
 374         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 375         PROPERTY_ENTRY_BOOL("silead,home-button"),
 376         { }
 377 };
 378
 379 static const struct ts_dmi_data trekstor_primebook_c13_data = {
 380         .acpi_name      = "MSSL1680:00",
 381         .properties     = trekstor_primebook_c13_props,
 382 };
 383
 384 static const struct property_entry trekstor_surftab_twin_10_1_props[] = {
 385         PROPERTY_ENTRY_U32("touchscreen-size-x", 1900),
 386         PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
 387         PROPERTY_ENTRY_U32("touchscreen-inverted-y", 1),
 388         PROPERTY_ENTRY_STRING("firmware-name",
 389                               "gsl3670-surftab-twin-10-1-st10432-8.fw"),
 390         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 391         { }
 392 };
 393
 394 static const struct ts_dmi_data trekstor_surftab_twin_10_1_data = {
 395         .acpi_name      = "MSSL1680:00",
 396         .properties     = trekstor_surftab_twin_10_1_props,
 397 };
 398
 399 static const struct property_entry trekstor_surftab_wintron70_props[] = {
 400         PROPERTY_ENTRY_U32("touchscreen-size-x", 884),
 401         PROPERTY_ENTRY_U32("touchscreen-size-y", 632),
 402         PROPERTY_ENTRY_STRING("firmware-name",
 403                               "gsl1686-surftab-wintron70-st70416-6.fw"),
 404         PROPERTY_ENTRY_U32("silead,max-fingers", 10),
 405         PROPERTY_ENTRY_BOOL("silead,home-button"),
 406         { }
 407 };
 408
 409 static const struct ts_dmi_data trekstor_surftab_wintron70_data = {
 410         .acpi_name      = "MSSL1680:00",
 411         .properties     = trekstor_surftab_wintron70_props,
 412 };
 413
 414 /* NOTE: Please keep this table sorted alphabetically */
 415 static const struct dmi_system_id touchscreen_dmi_table[] = {
 416         {
 417                 /* Chuwi Hi8 */
 418                 .driver_data = (void *)&chuwi_hi8_data,
 419                 .matches = {
 420                         DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
 421                         DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
 422                 },
 423         },
 424         {
 425                 /* Chuwi Hi8 (H1D_S806_206) */
 426                 .driver_data = (void *)&chuwi_hi8_data,
 427                 .matches = {
 428                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 429                         DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
 430                         DMI_MATCH(DMI_BIOS_VERSION, "H1D_S806_206"),
 431                 },
 432         },
 433         {
 434                 /* Chuwi Hi8 Pro (CWI513) */
 435                 .driver_data = (void *)&chuwi_hi8_pro_data,
 436                 .matches = {
 437                         DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
 438                         DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
 439                 },
 440         },
 441         {
 442                 /* Chuwi Vi8 (CWI506) */
 443                 .driver_data = (void *)&chuwi_vi8_data,
 444                 .matches = {
 445                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 446                         DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
 447                         DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
 448                 },
 449         },
 450         {
 451                 /* Chuwi Vi10 (CWI505) */
 452                 .driver_data = (void *)&chuwi_vi10_data,
 453                 .matches = {
 454                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 455                         DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
 456                         DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
 457                         DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
 458                 },
 459         },
 460         {
 461                 /* Connect Tablet 9 */
 462                 .driver_data = (void *)&connect_tablet9_data,
 463                 .matches = {
 464                         DMI_MATCH(DMI_SYS_VENDOR, "Connect"),
 465                         DMI_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
 466                 },
 467         },
 468         {
 469                 /* CUBE iwork8 Air */
 470                 .driver_data = (void *)&cube_iwork8_air_data,
 471                 .matches = {
 472                         DMI_MATCH(DMI_SYS_VENDOR, "cube"),
 473                         DMI_MATCH(DMI_PRODUCT_NAME, "i1-TF"),
 474                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 475                 },
 476         },
 477         {
 478                 /* Cube KNote i1101 */
 479                 .driver_data = (void *)&cube_knote_i1101_data,
 480                 .matches = {
 481                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 482                         DMI_MATCH(DMI_BOARD_NAME, "L1W6_I1101"),
 483                         DMI_MATCH(DMI_SYS_VENDOR, "ALLDOCUBE"),
 484                         DMI_MATCH(DMI_PRODUCT_NAME, "i1101"),
 485                 },
 486         },
 487         {
 488                 /* DEXP Ursus 7W */
 489                 .driver_data = (void *)&dexp_ursus_7w_data,
 490                 .matches = {
 491                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 492                         DMI_MATCH(DMI_PRODUCT_NAME, "7W"),
 493                 },
 494         },
 495         {
 496                 /* Digma Citi E200 */
 497                 .driver_data = (void *)&digma_citi_e200_data,
 498                 .matches = {
 499                         DMI_MATCH(DMI_SYS_VENDOR, "Digma"),
 500                         DMI_MATCH(DMI_PRODUCT_NAME, "CITI E200"),
 501                         DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
 502                 },
 503         },
 504         {
 505                 /* GP-electronic T701 */
 506                 .driver_data = (void *)&gp_electronic_t701_data,
 507                 .matches = {
 508                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 509                         DMI_MATCH(DMI_PRODUCT_NAME, "T701"),
 510                         DMI_MATCH(DMI_BIOS_VERSION, "BYT70A.YNCHENG.WIN.007"),
 511                 },
 512         },
 513         {
 514                 /* I.T.Works TW701 (same hardware as the Trekstor ST70416-6) */
 515                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 516                 .matches = {
 517                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 518                         DMI_MATCH(DMI_PRODUCT_NAME, "i71c"),
 519                         DMI_MATCH(DMI_BIOS_VERSION, "itWORKS.G.WI71C.JGBMRB"),
 520                 },
 521         },
 522         {
 523                 /* I.T.Works TW891 */
 524                 .driver_data = (void *)&itworks_tw891_data,
 525                 .matches = {
 526                         DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
 527                         DMI_MATCH(DMI_PRODUCT_NAME, "TW891"),
 528                 },
 529         },
 530         {
 531                 /* Jumper EZpad 6 Pro */
 532                 .driver_data = (void *)&jumper_ezpad_6_pro_data,
 533                 .matches = {
 534                         DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
 535                         DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
 536                         DMI_MATCH(DMI_BIOS_VERSION, "5.12"),
 537                         /* Above matches are too generic, add bios-date match */
 538                         DMI_MATCH(DMI_BIOS_DATE, "08/18/2017"),
 539                 },
 540         },
 541         {
 542                 /* Jumper EZpad mini3 */
 543                 .driver_data = (void *)&jumper_ezpad_mini3_data,
 544                 .matches = {
 545                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 546                         /* jumperx.T87.KFBNEEA02 with the version-nr dropped */
 547                         DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
 548                 },
 549         },
 550         {
 551                 /* Onda oBook 20 Plus */
 552                 .driver_data = (void *)&onda_obook_20_plus_data,
 553                 .matches = {
 554                         DMI_MATCH(DMI_SYS_VENDOR, "ONDA"),
 555                         DMI_MATCH(DMI_PRODUCT_NAME, "OBOOK 20 PLUS"),
 556                 },
 557         },
 558         {
 559                 /* ONDA V820w DualOS */
 560                 .driver_data = (void *)&onda_v820w_32g_data,
 561                 .matches = {
 562                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"),
 563                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "V820w DualOS")
 564                 },
 565         },
 566         {
 567                 /* ONDA V891w revision P891WBEBV1B00 aka v1 */
 568                 .driver_data = (void *)&onda_v891w_v1_data,
 569                 .matches = {
 570                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"),
 571                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONDA Tablet"),
 572                         DMI_EXACT_MATCH(DMI_BOARD_VERSION, "V001"),
 573                         /* Exact match, different versions need different fw */
 574                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "ONDA.W89EBBN08"),
 575                 },
 576         },
 577         {
 578                 /* ONDA V891w Dual OS P891DCF2V1A01274 64GB */
 579                 .driver_data = (void *)&onda_v891w_v3_data,
 580                 .matches = {
 581                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 582                         DMI_MATCH(DMI_PRODUCT_NAME, "ONDA Tablet"),
 583                         DMI_MATCH(DMI_BIOS_VERSION, "ONDA.D890HBBNR0A"),
 584                 },
 585         },
 586         {
 587                 /* Pipo W2S */
 588                 .driver_data = (void *)&pipo_w2s_data,
 589                 .matches = {
 590                         DMI_MATCH(DMI_SYS_VENDOR, "PIPO"),
 591                         DMI_MATCH(DMI_PRODUCT_NAME, "W2S"),
 592                 },
 593         },
 594         {
 595                 /* Ployer Momo7w (same hardware as the Trekstor ST70416-6) */
 596                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 597                 .matches = {
 598                         DMI_MATCH(DMI_SYS_VENDOR, "Shenzhen PLOYER"),
 599                         DMI_MATCH(DMI_PRODUCT_NAME, "MOMO7W"),
 600                         /* Exact match, different versions need different fw */
 601                         DMI_MATCH(DMI_BIOS_VERSION, "MOMO.G.WI71C.MABMRBA02"),
 602                 },
 603         },
 604         {
 605                 /* Point of View mobii wintab p800w (v2.0) */
 606                 .driver_data = (void *)&pov_mobii_wintab_p800w_v20_data,
 607                 .matches = {
 608                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 609                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 610                         DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
 611                         /* Above matches are too generic, add bios-date match */
 612                         DMI_MATCH(DMI_BIOS_DATE, "10/24/2014"),
 613                 },
 614         },
 615         {
 616                 /* Point of View mobii wintab p800w (v2.1) */
 617                 .driver_data = (void *)&pov_mobii_wintab_p800w_v21_data,
 618                 .matches = {
 619                         DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 620                         DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 621                         DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
 622                         /* Above matches are too generic, add bios-date match */
 623                         DMI_MATCH(DMI_BIOS_DATE, "08/22/2014"),
 624                 },
 625         },
 626         {
 627                 /* Teclast X3 Plus */
 628                 .driver_data = (void *)&teclast_x3_plus_data,
 629                 .matches = {
 630                         DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
 631                         DMI_MATCH(DMI_PRODUCT_NAME, "X3 Plus"),
 632                         DMI_MATCH(DMI_BOARD_NAME, "X3 Plus"),
 633                 },
 634         },
 635         {
 636                 /* Teclast X98 Plus II */
 637                 .driver_data = (void *)&teclast_x98plus2_data,
 638                 .matches = {
 639                         DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
 640                         DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
 641                 },
 642         },
 643         {
 644                 /* Trekstor Primebook C13 */
 645                 .driver_data = (void *)&trekstor_primebook_c13_data,
 646                 .matches = {
 647                         DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
 648                         DMI_MATCH(DMI_PRODUCT_NAME, "Primebook C13"),
 649                 },
 650         },
 651         {
 652                 /* TrekStor SurfTab twin 10.1 ST10432-8 */
 653                 .driver_data = (void *)&trekstor_surftab_twin_10_1_data,
 654                 .matches = {
 655                         DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
 656                         DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab twin 10.1"),
 657                 },
 658         },
 659         {
 660                 /* Trekstor Surftab Wintron 7.0 ST70416-6 */
 661                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 662                 .matches = {
 663                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 664                         DMI_MATCH(DMI_PRODUCT_NAME, "ST70416-6"),
 665                         /* Exact match, different versions need different fw */
 666                         DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA04"),
 667                 },
 668         },
 669         {
 670                 /* Trekstor Surftab Wintron 7.0 ST70416-6, newer BIOS */
 671                 .driver_data = (void *)&trekstor_surftab_wintron70_data,
 672                 .matches = {
 673                         DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
 674                         DMI_MATCH(DMI_PRODUCT_NAME,
 675                                              "SurfTab wintron 7.0 ST70416-6"),
 676                         /* Exact match, different versions need different fw */
 677                         DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA05"),
 678                 },
 679         },
 680         {
 681                 /* Yours Y8W81, same case and touchscreen as Chuwi Vi8 */
 682                 .driver_data = (void *)&chuwi_vi8_data,
 683                 .matches = {
 684                         DMI_MATCH(DMI_SYS_VENDOR, "YOURS"),
 685                         DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"),
 686                 },
 687         },
 688         { },
 689 };
 690
 691 static const struct ts_dmi_data *ts_data;
 692
 693 static void ts_dmi_add_props(struct i2c_client *client)
 694 {
 695         struct device *dev = &client->dev;
 696         int error;
 697
 698         if (has_acpi_companion(dev) &&
 699             !strncmp(ts_data->acpi_name, client->name, I2C_NAME_SIZE)) {
 700                 error = device_add_properties(dev, ts_data->properties);
 701                 if (error)
 702                         dev_err(dev, "failed to add properties: %d\n", error);
 703         }
 704 }
 705
 706 static int ts_dmi_notifier_call(struct notifier_block *nb,
 707                                        unsigned long action, void *data)
 708 {
 709         struct device *dev = data;
 710         struct i2c_client *client;
 711
 712         switch (action) {
 713         case BUS_NOTIFY_ADD_DEVICE:
 714                 client = i2c_verify_client(dev);
 715                 if (client)
 716                         ts_dmi_add_props(client);
 717                 break;
 718
 719         default:
 720                 break;
 721         }
 722
 723         return 0;
 724 }
 725
 726 static struct notifier_block ts_dmi_notifier = {
 727         .notifier_call = ts_dmi_notifier_call,
 728 };
 729
 730 static int __init ts_dmi_init(void)
 731 {
 732         const struct dmi_system_id *dmi_id;
 733         int error;
 734
 735         dmi_id = dmi_first_match(touchscreen_dmi_table);
 736         if (!dmi_id)
 737                 return 0; /* Not an error */
 738
 739         ts_data = dmi_id->driver_data;
 740
 741         error = bus_register_notifier(&i2c_bus_type, &ts_dmi_notifier);
 742         if (error)
 743                 pr_err("%s: failed to register i2c bus notifier: %d\n",
 744                         __func__, error);
 745
 746         return error;
 747 }
 748
 749 /*
 750  * We are registering out notifier after i2c core is initialized and i2c bus
 751  * itself is ready (which happens at postcore initcall level), but before
 752  * ACPI starts enumerating devices (at subsys initcall level).
 753  */
 754 arch_initcall(ts_dmi_init);