diff options
Diffstat (limited to 'drivers/platform/x86/touchscreen_dmi.c')
| -rw-r--r-- | drivers/platform/x86/touchscreen_dmi.c | 652 |
1 files changed, 652 insertions, 0 deletions
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c new file mode 100644 index 000000000000..6284946cb0d1 --- /dev/null +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -0,0 +1,652 @@ +/* + * Touchscreen driver DMI based configuration code + * + * Copyright (c) 2017 Red Hat Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Red Hat authors: + * Hans de Goede <hdegoede@redhat.com> + */ + +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/dmi.h> +#include <linux/i2c.h> +#include <linux/notifier.h> +#include <linux/property.h> +#include <linux/string.h> + +struct ts_dmi_data { + const char *acpi_name; + const struct property_entry *properties; +}; + +/* NOTE: Please keep all entries sorted alphabetically */ + +static const struct property_entry chuwi_hi8_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1665), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_BOOL("silead,home-button"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"), + { } +}; + +static const struct ts_dmi_data chuwi_hi8_data = { + .acpi_name = "MSSL0001:00", + .properties = chuwi_hi8_props, +}; + +static const struct property_entry chuwi_hi8_pro_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1728), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1148), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-hi8-pro.fw"), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data chuwi_hi8_pro_data = { + .acpi_name = "MSSL1680:00", + .properties = chuwi_hi8_pro_props, +}; + +static const struct property_entry chuwi_vi8_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1724), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-vi8.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data chuwi_vi8_data = { + .acpi_name = "MSSL1680:00", + .properties = chuwi_vi8_props, +}; + +static const struct property_entry chuwi_vi10_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 0), + PROPERTY_ENTRY_U32("touchscreen-min-y", 4), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1858), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1280), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-vi10.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data chuwi_vi10_data = { + .acpi_name = "MSSL0002:00", + .properties = chuwi_vi10_props, +}; + +static const struct property_entry cube_iwork8_air_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1660), + PROPERTY_ENTRY_U32("touchscreen-size-y", 900), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-cube-iwork8-air.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + { } +}; + +static const struct ts_dmi_data cube_iwork8_air_data = { + .acpi_name = "MSSL1680:00", + .properties = cube_iwork8_air_props, +}; + +static const struct property_entry dexp_ursus_7w_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 890), + PROPERTY_ENTRY_U32("touchscreen-size-y", 630), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-dexp-ursus-7w.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data dexp_ursus_7w_data = { + .acpi_name = "MSSL1680:00", + .properties = dexp_ursus_7w_props, +}; + +static const struct property_entry digma_citi_e200_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1980), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1500), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl1686-digma_citi_e200.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data digma_citi_e200_data = { + .acpi_name = "MSSL1680:00", + .properties = digma_citi_e200_props, +}; + +static const struct property_entry gp_electronic_t701_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 960), + PROPERTY_ENTRY_U32("touchscreen-size-y", 640), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl1680-gp-electronic-t701.fw"), + { } +}; + +static const struct ts_dmi_data gp_electronic_t701_data = { + .acpi_name = "MSSL1680:00", + .properties = gp_electronic_t701_props, +}; + +static const struct property_entry itworks_tw891_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1600), + PROPERTY_ENTRY_U32("touchscreen-size-y", 890), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-itworks-tw891.fw"), + { } +}; + +static const struct ts_dmi_data itworks_tw891_data = { + .acpi_name = "MSSL1680:00", + .properties = itworks_tw891_props, +}; + +static const struct property_entry jumper_ezpad_6_pro_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1980), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1500), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-pro.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data jumper_ezpad_6_pro_data = { + .acpi_name = "MSSL1680:00", + .properties = jumper_ezpad_6_pro_props, +}; + +static const struct property_entry jumper_ezpad_mini3_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1700), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1150), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-jumper-ezpad-mini3.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + { } +}; + +static const struct ts_dmi_data jumper_ezpad_mini3_data = { + .acpi_name = "MSSL1680:00", + .properties = jumper_ezpad_mini3_props, +}; + +static const struct property_entry onda_obook_20_plus_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1728), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1148), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-onda-obook-20-plus.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data onda_obook_20_plus_data = { + .acpi_name = "MSSL1680:00", + .properties = onda_obook_20_plus_props, +}; + +static const struct property_entry onda_v891w_v1_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 46), + PROPERTY_ENTRY_U32("touchscreen-min-y", 8), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1676), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1130), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl3680-onda-v891w-v1.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data onda_v891w_v1_data = { + .acpi_name = "MSSL1680:00", + .properties = onda_v891w_v1_props, +}; + +static const struct property_entry pipo_w2s_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1660), + PROPERTY_ENTRY_U32("touchscreen-size-y", 880), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl1680-pipo-w2s.fw"), + { } +}; + +static const struct ts_dmi_data pipo_w2s_data = { + .acpi_name = "MSSL1680:00", + .properties = pipo_w2s_props, +}; + +static const struct property_entry pov_mobii_wintab_p800w_v20_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 32), + PROPERTY_ENTRY_U32("touchscreen-min-y", 16), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1692), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1146), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl3680-pov-mobii-wintab-p800w-v20.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data pov_mobii_wintab_p800w_v20_data = { + .acpi_name = "MSSL1680:00", + .properties = pov_mobii_wintab_p800w_v20_props, +}; + +static const struct property_entry pov_mobii_wintab_p800w_v21_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1800), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1150), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl3692-pov-mobii-wintab-p800w.fw"), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data pov_mobii_wintab_p800w_v21_data = { + .acpi_name = "MSSL1680:00", + .properties = pov_mobii_wintab_p800w_v21_props, +}; + +static const struct property_entry teclast_x3_plus_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1980), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1500), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-teclast-x3-plus.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data teclast_x3_plus_data = { + .acpi_name = "MSSL1680:00", + .properties = teclast_x3_plus_props, +}; + +static const struct property_entry teclast_x98plus2_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 2048), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1280), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl1686-teclast_x98plus2.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + { } +}; + +static const struct ts_dmi_data teclast_x98plus2_data = { + .acpi_name = "MSSL1680:00", + .properties = teclast_x98plus2_props, +}; + +static const struct property_entry trekstor_primebook_c13_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 2624), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1920), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl1680-trekstor-primebook-c13.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data trekstor_primebook_c13_data = { + .acpi_name = "MSSL1680:00", + .properties = trekstor_primebook_c13_props, +}; + +static const struct property_entry trekstor_surftab_twin_10_1_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1900), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1280), + PROPERTY_ENTRY_U32("touchscreen-inverted-y", 1), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl3670-surftab-twin-10-1-st10432-8.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + { } +}; + +static const struct ts_dmi_data trekstor_surftab_twin_10_1_data = { + .acpi_name = "MSSL1680:00", + .properties = trekstor_surftab_twin_10_1_props, +}; + +static const struct property_entry trekstor_surftab_wintron70_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 884), + PROPERTY_ENTRY_U32("touchscreen-size-y", 632), + PROPERTY_ENTRY_STRING("firmware-name", + "gsl1686-surftab-wintron70-st70416-6.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data trekstor_surftab_wintron70_data = { + .acpi_name = "MSSL1680:00", + .properties = trekstor_surftab_wintron70_props, +}; + +/* NOTE: Please keep this table sorted alphabetically */ +static const struct dmi_system_id touchscreen_dmi_table[] = { + { + /* Chuwi Hi8 */ + .driver_data = (void *)&chuwi_hi8_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ilife"), + DMI_MATCH(DMI_PRODUCT_NAME, "S806"), + }, + }, + { + /* Chuwi Hi8 (H1D_S806_206) */ + .driver_data = (void *)&chuwi_hi8_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"), + DMI_MATCH(DMI_BIOS_VERSION, "H1D_S806_206"), + }, + }, + { + /* Chuwi Hi8 Pro (CWI513) */ + .driver_data = (void *)&chuwi_hi8_pro_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"), + DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"), + }, + }, + { + /* Chuwi Vi8 (CWI506) */ + .driver_data = (void *)&chuwi_vi8_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "i86"), + DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"), + }, + }, + { + /* Chuwi Vi10 (CWI505) */ + .driver_data = (void *)&chuwi_vi10_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), + DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"), + DMI_MATCH(DMI_SYS_VENDOR, "ilife"), + DMI_MATCH(DMI_PRODUCT_NAME, "S165"), + }, + }, + { + /* CUBE iwork8 Air */ + .driver_data = (void *)&cube_iwork8_air_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "cube"), + DMI_MATCH(DMI_PRODUCT_NAME, "i1-TF"), + DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), + }, + }, + { + /* DEXP Ursus 7W */ + .driver_data = (void *)&dexp_ursus_7w_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "7W"), + }, + }, + { + /* Digma Citi E200 */ + .driver_data = (void *)&digma_citi_e200_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Digma"), + DMI_MATCH(DMI_PRODUCT_NAME, "CITI E200"), + DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), + }, + }, + { + /* GP-electronic T701 */ + .driver_data = (void *)&gp_electronic_t701_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "T701"), + DMI_MATCH(DMI_BIOS_VERSION, "BYT70A.YNCHENG.WIN.007"), + }, + }, + { + /* I.T.Works TW701 (same hardware as the Trekstor ST70416-6) */ + .driver_data = (void *)&trekstor_surftab_wintron70_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "i71c"), + DMI_MATCH(DMI_BIOS_VERSION, "itWORKS.G.WI71C.JGBMRB"), + }, + }, + { + /* I.T.Works TW891 */ + .driver_data = (void *)&itworks_tw891_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), + DMI_MATCH(DMI_PRODUCT_NAME, "TW891"), + }, + }, + { + /* Jumper EZpad 6 Pro */ + .driver_data = (void *)&jumper_ezpad_6_pro_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Jumper"), + DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"), + DMI_MATCH(DMI_BIOS_VERSION, "5.12"), + /* Above matches are too generic, add bios-date match */ + DMI_MATCH(DMI_BIOS_DATE, "08/18/2017"), + }, + }, + { + /* Jumper EZpad mini3 */ + .driver_data = (void *)&jumper_ezpad_mini3_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + /* jumperx.T87.KFBNEEA02 with the version-nr dropped */ + DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"), + }, + }, + { + /* Onda oBook 20 Plus */ + .driver_data = (void *)&onda_obook_20_plus_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ONDA"), + DMI_MATCH(DMI_PRODUCT_NAME, "OBOOK 20 PLUS"), + }, + }, + { + /* ONDA V891w revision P891WBEBV1B00 aka v1 */ + .driver_data = (void *)&onda_v891w_v1_data, + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONDA Tablet"), + DMI_EXACT_MATCH(DMI_BOARD_VERSION, "V001"), + /* Exact match, different versions need different fw */ + DMI_EXACT_MATCH(DMI_BIOS_VERSION, "ONDA.W89EBBN08"), + }, + }, + { + /* Pipo W2S */ + .driver_data = (void *)&pipo_w2s_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "PIPO"), + DMI_MATCH(DMI_PRODUCT_NAME, "W2S"), + }, + }, + { + /* Ployer Momo7w (same hardware as the Trekstor ST70416-6) */ + .driver_data = (void *)&trekstor_surftab_wintron70_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Shenzhen PLOYER"), + DMI_MATCH(DMI_PRODUCT_NAME, "MOMO7W"), + /* Exact match, different versions need different fw */ + DMI_MATCH(DMI_BIOS_VERSION, "MOMO.G.WI71C.MABMRBA02"), + }, + }, + { + /* Point of View mobii wintab p800w (v2.0) */ + .driver_data = (void *)&pov_mobii_wintab_p800w_v20_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1014"), + /* Above matches are too generic, add bios-date match */ + DMI_MATCH(DMI_BIOS_DATE, "10/24/2014"), + }, + }, + { + /* Point of View mobii wintab p800w (v2.1) */ + .driver_data = (void *)&pov_mobii_wintab_p800w_v21_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1013"), + /* Above matches are too generic, add bios-date match */ + DMI_MATCH(DMI_BIOS_DATE, "08/22/2014"), + }, + }, + { + /* Teclast X3 Plus */ + .driver_data = (void *)&teclast_x3_plus_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"), + DMI_MATCH(DMI_PRODUCT_NAME, "X3 Plus"), + DMI_MATCH(DMI_BOARD_NAME, "X3 Plus"), + }, + }, + { + /* Teclast X98 Plus II */ + .driver_data = (void *)&teclast_x98plus2_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"), + DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"), + }, + }, + { + /* Trekstor Primebook C13 */ + .driver_data = (void *)&trekstor_primebook_c13_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"), + DMI_MATCH(DMI_PRODUCT_NAME, "Primebook C13"), + }, + }, + { + /* TrekStor SurfTab twin 10.1 ST10432-8 */ + .driver_data = (void *)&trekstor_surftab_twin_10_1_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"), + DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab twin 10.1"), + }, + }, + { + /* Trekstor Surftab Wintron 7.0 ST70416-6 */ + .driver_data = (void *)&trekstor_surftab_wintron70_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_MATCH(DMI_PRODUCT_NAME, "ST70416-6"), + /* Exact match, different versions need different fw */ + DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA04"), + }, + }, + { + /* Trekstor Surftab Wintron 7.0 ST70416-6, newer BIOS */ + .driver_data = (void *)&trekstor_surftab_wintron70_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"), + DMI_MATCH(DMI_PRODUCT_NAME, + "SurfTab wintron 7.0 ST70416-6"), + /* Exact match, different versions need different fw */ + DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA05"), + }, + }, + { + /* Yours Y8W81, same case and touchscreen as Chuwi Vi8 */ + .driver_data = (void *)&chuwi_vi8_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "YOURS"), + DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"), + }, + }, + { }, +}; + +static const struct ts_dmi_data *ts_data; + +static void ts_dmi_add_props(struct i2c_client *client) +{ + struct device *dev = &client->dev; + int error; + + if (has_acpi_companion(dev) && + !strncmp(ts_data->acpi_name, client->name, I2C_NAME_SIZE)) { + error = device_add_properties(dev, ts_data->properties); + if (error) + dev_err(dev, "failed to add properties: %d\n", error); + } +} + +static int ts_dmi_notifier_call(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct device *dev = data; + struct i2c_client *client; + + switch (action) { + case BUS_NOTIFY_ADD_DEVICE: + client = i2c_verify_client(dev); + if (client) + ts_dmi_add_props(client); + break; + + default: + break; + } + + return 0; +} + +static struct notifier_block ts_dmi_notifier = { + .notifier_call = ts_dmi_notifier_call, +}; + +static int __init ts_dmi_init(void) +{ + const struct dmi_system_id *dmi_id; + int error; + + dmi_id = dmi_first_match(touchscreen_dmi_table); + if (!dmi_id) + return 0; /* Not an error */ + + ts_data = dmi_id->driver_data; + + error = bus_register_notifier(&i2c_bus_type, &ts_dmi_notifier); + if (error) + pr_err("%s: failed to register i2c bus notifier: %d\n", + __func__, error); + + return error; +} + +/* + * We are registering out notifier after i2c core is initialized and i2c bus + * itself is ready (which happens at postcore initcall level), but before + * ACPI starts enumerating devices (at subsys initcall level). + */ +arch_initcall(ts_dmi_init); |