/* * Silead 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 */ #include #include #include #include #include #include #include struct silead_ts_dmi_data { const char *acpi_name; const struct property_entry *properties; }; 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 silead_ts_dmi_data cube_iwork8_air_data = { .acpi_name = "MSSL1680:00", .properties = cube_iwork8_air_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 silead_ts_dmi_data jumper_ezpad_mini3_data = { .acpi_name = "MSSL1680:00", .properties = jumper_ezpad_mini3_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 silead_ts_dmi_data dexp_ursus_7w_data = { .acpi_name = "MSSL1680:00", .properties = dexp_ursus_7w_props, }; static const struct property_entry surftab_wintron70_st70416_6_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 silead_ts_dmi_data surftab_wintron70_st70416_6_data = { .acpi_name = "MSSL1680:00", .properties = surftab_wintron70_st70416_6_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 silead_ts_dmi_data gp_electronic_t701_data = { .acpi_name = "MSSL1680:00", .properties = gp_electronic_t701_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 silead_ts_dmi_data pipo_w2s_data = { .acpi_name = "MSSL1680:00", .properties = pipo_w2s_props, }; static const struct property_entry pov_mobii_wintab_p800w_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 silead_ts_dmi_data pov_mobii_wintab_p800w_data = { .acpi_name = "MSSL1680:00", .properties = pov_mobii_wintab_p800w_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 silead_ts_dmi_data itworks_tw891_data = { .acpi_name = "MSSL1680:00", .properties = itworks_tw891_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 silead_ts_dmi_data chuwi_hi8_pro_data = { .acpi_name = "MSSL1680:00", .properties = chuwi_hi8_pro_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 silead_ts_dmi_data digma_citi_e200_data = { .acpi_name = "MSSL1680:00", .properties = digma_citi_e200_props, }; static const struct dmi_system_id silead_ts_dmi_table[] = { { /* 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"), }, }, { /* 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"), }, }, { /* DEXP Ursus 7W */ .driver_data = (void *)&dexp_ursus_7w_data, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), DMI_MATCH(DMI_PRODUCT_NAME, "7W"), }, }, { /* Trekstor Surftab Wintron 7.0 ST70416-6 */ .driver_data = (void *)&surftab_wintron70_st70416_6_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"), }, }, { /* Ployer Momo7w (same hardware as the Trekstor ST70416-6) */ .driver_data = (void *)&surftab_wintron70_st70416_6_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"), }, }, { /* 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"), }, }, { /* Pipo W2S */ .driver_data = (void *)&pipo_w2s_data, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "PIPO"), DMI_MATCH(DMI_PRODUCT_NAME, "W2S"), }, }, { /* Point of View mobii wintab p800w */ .driver_data = (void *)&pov_mobii_wintab_p800w_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"), }, }, { /* 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"), }, }, { /* Chuwi Hi8 Pro */ .driver_data = (void *)&chuwi_hi8_pro_data, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"), DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"), }, }, { /* 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"), }, }, { }, }; static const struct silead_ts_dmi_data *silead_ts_data; static void silead_ts_dmi_add_props(struct i2c_client *client) { struct device *dev = &client->dev; int error; if (has_acpi_companion(dev) && !strncmp(silead_ts_data->acpi_name, client->name, I2C_NAME_SIZE)) { error = device_add_properties(dev, silead_ts_data->properties); if (error) dev_err(dev, "failed to add properties: %d\n", error); } } static int silead_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) silead_ts_dmi_add_props(client); break; default: break; } return 0; } static struct notifier_block silead_ts_dmi_notifier = { .notifier_call = silead_ts_dmi_notifier_call, }; static int __init silead_ts_dmi_init(void) { const struct dmi_system_id *dmi_id; int error; dmi_id = dmi_first_match(silead_ts_dmi_table); if (!dmi_id) return 0; /* Not an error */ silead_ts_data = dmi_id->driver_data; error = bus_register_notifier(&i2c_bus_type, &silead_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(silead_ts_dmi_init);