24f7b9a065
The Cyberbook T116 rugged tablet comes in both Windows and Android versions and even on the Android version the DSDT is mostly sane. This tablet has 2 extra general purpose buttons in the row with the power + volume-buttons, labeled P and F. Use the x86-android-tablets infra to create a gpio-button device for these 2 extra buttons. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20230505205901.42649-2-hdegoede@redhat.com
626 lines
17 KiB
C
626 lines
17 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* DMI based code to deal with broken DSDTs on X86 tablets which ship with
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* Android as (part of) the factory image. The factory kernels shipped on these
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* devices typically have a bunch of things hardcoded, rather than specified
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* in their DSDT.
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*
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* Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com>
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*/
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#include <linux/acpi.h>
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#include <linux/gpio/machine.h>
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#include <linux/input.h>
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#include <linux/platform_device.h>
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#include "shared-psy-info.h"
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#include "x86-android-tablets.h"
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/* Acer Iconia One 7 B1-750 has an Android factory img with everything hardcoded */
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static const char * const acer_b1_750_mount_matrix[] = {
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"-1", "0", "0",
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"0", "1", "0",
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"0", "0", "1"
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};
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static const struct property_entry acer_b1_750_bma250e_props[] = {
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PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", acer_b1_750_mount_matrix),
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{ }
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};
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static const struct software_node acer_b1_750_bma250e_node = {
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.properties = acer_b1_750_bma250e_props,
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};
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static const struct x86_i2c_client_info acer_b1_750_i2c_clients[] __initconst = {
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{
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/* Novatek NVT-ts touchscreen */
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.board_info = {
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.type = "NVT-ts",
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.addr = 0x34,
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.dev_name = "NVT-ts",
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},
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.adapter_path = "\\_SB_.I2C4",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_GPIOINT,
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.chip = "INT33FC:02",
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.index = 3,
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.trigger = ACPI_EDGE_SENSITIVE,
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.polarity = ACPI_ACTIVE_LOW,
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},
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}, {
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/* BMA250E accelerometer */
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.board_info = {
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.type = "bma250e",
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.addr = 0x18,
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.swnode = &acer_b1_750_bma250e_node,
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},
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.adapter_path = "\\_SB_.I2C3",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_GPIOINT,
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.chip = "INT33FC:02",
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.index = 25,
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.trigger = ACPI_LEVEL_SENSITIVE,
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.polarity = ACPI_ACTIVE_HIGH,
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},
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},
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};
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static struct gpiod_lookup_table acer_b1_750_goodix_gpios = {
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.dev_id = "i2c-NVT-ts",
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.table = {
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GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_LOW),
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{ }
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},
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};
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static struct gpiod_lookup_table * const acer_b1_750_gpios[] = {
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&acer_b1_750_goodix_gpios,
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&int3496_reference_gpios,
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NULL
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};
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const struct x86_dev_info acer_b1_750_info __initconst = {
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.i2c_client_info = acer_b1_750_i2c_clients,
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.i2c_client_count = ARRAY_SIZE(acer_b1_750_i2c_clients),
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.pdev_info = int3496_pdevs,
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.pdev_count = 1,
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.gpiod_lookup_tables = acer_b1_750_gpios,
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};
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/*
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* Advantech MICA-071
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* This is a standard Windows tablet, but it has an extra "quick launch" button
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* which is not described in the ACPI tables in anyway.
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* Use the x86-android-tablets infra to create a gpio-button device for this.
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*/
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static const struct x86_gpio_button advantech_mica_071_button __initconst = {
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.button = {
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.code = KEY_PROG1,
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.active_low = true,
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.desc = "prog1_key",
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.type = EV_KEY,
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.wakeup = false,
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.debounce_interval = 50,
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},
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.chip = "INT33FC:00",
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.pin = 2,
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};
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const struct x86_dev_info advantech_mica_071_info __initconst = {
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.gpio_button = &advantech_mica_071_button,
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.gpio_button_count = 1,
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};
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/*
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* When booted with the BIOS set to Android mode the Chuwi Hi8 (CWI509) DSDT
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* contains a whole bunch of bogus ACPI I2C devices and is missing entries
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* for the touchscreen and the accelerometer.
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*/
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static const struct property_entry chuwi_hi8_gsl1680_props[] = {
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PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
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PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
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PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
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PROPERTY_ENTRY_BOOL("silead,home-button"),
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PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
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{ }
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};
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static const struct software_node chuwi_hi8_gsl1680_node = {
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.properties = chuwi_hi8_gsl1680_props,
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};
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static const char * const chuwi_hi8_mount_matrix[] = {
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"1", "0", "0",
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"0", "-1", "0",
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"0", "0", "1"
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};
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static const struct property_entry chuwi_hi8_bma250e_props[] = {
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PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", chuwi_hi8_mount_matrix),
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{ }
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};
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static const struct software_node chuwi_hi8_bma250e_node = {
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.properties = chuwi_hi8_bma250e_props,
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};
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static const struct x86_i2c_client_info chuwi_hi8_i2c_clients[] __initconst = {
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{
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/* Silead touchscreen */
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.board_info = {
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.type = "gsl1680",
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.addr = 0x40,
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.swnode = &chuwi_hi8_gsl1680_node,
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},
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.adapter_path = "\\_SB_.I2C4",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_APIC,
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.index = 0x44,
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.trigger = ACPI_EDGE_SENSITIVE,
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.polarity = ACPI_ACTIVE_HIGH,
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},
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}, {
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/* BMA250E accelerometer */
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.board_info = {
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.type = "bma250e",
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.addr = 0x18,
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.swnode = &chuwi_hi8_bma250e_node,
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},
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.adapter_path = "\\_SB_.I2C3",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_GPIOINT,
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.chip = "INT33FC:02",
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.index = 23,
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.trigger = ACPI_LEVEL_SENSITIVE,
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.polarity = ACPI_ACTIVE_HIGH,
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},
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},
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};
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static int __init chuwi_hi8_init(void)
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{
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/*
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* Avoid the acpi_unregister_gsi() call in x86_acpi_irq_helper_get()
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* breaking the touchscreen + logging various errors when the Windows
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* BIOS is used.
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*/
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if (acpi_dev_present("MSSL0001", NULL, 1))
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return -ENODEV;
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return 0;
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}
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const struct x86_dev_info chuwi_hi8_info __initconst = {
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.i2c_client_info = chuwi_hi8_i2c_clients,
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.i2c_client_count = ARRAY_SIZE(chuwi_hi8_i2c_clients),
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.init = chuwi_hi8_init,
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};
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/*
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* Cyberbook T116 Android version
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* This comes in both Windows and Android versions and even on Android
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* the DSDT is mostly sane. This tablet has 2 extra general purpose buttons
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* in the button row with the power + volume-buttons labeled P and F.
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* Use the x86-android-tablets infra to create a gpio-button device for these.
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*/
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static const struct x86_gpio_button cyberbook_t116_buttons[] __initconst = {
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{
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.button = {
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.code = KEY_PROG1,
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.active_low = true,
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.desc = "prog1_key",
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.type = EV_KEY,
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.wakeup = false,
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.debounce_interval = 50,
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},
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.chip = "INT33FF:00",
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.pin = 30,
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},
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{
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.button = {
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.code = KEY_PROG2,
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.active_low = true,
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.desc = "prog2_key",
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.type = EV_KEY,
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.wakeup = false,
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.debounce_interval = 50,
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},
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.chip = "INT33FF:03",
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.pin = 48,
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},
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};
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const struct x86_dev_info cyberbook_t116_info __initconst = {
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.gpio_button = cyberbook_t116_buttons,
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.gpio_button_count = ARRAY_SIZE(cyberbook_t116_buttons),
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};
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#define CZC_EC_EXTRA_PORT 0x68
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#define CZC_EC_ANDROID_KEYS 0x63
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static int __init czc_p10t_init(void)
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{
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/*
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* The device boots up in "Windows 7" mode, when the home button sends a
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* Windows specific key sequence (Left Meta + D) and the second button
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* sends an unknown one while also toggling the Radio Kill Switch.
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* This is a surprising behavior when the second button is labeled "Back".
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*
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* The vendor-supplied Android-x86 build switches the device to a "Android"
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* mode by writing value 0x63 to the I/O port 0x68. This just seems to just
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* set bit 6 on address 0x96 in the EC region; switching the bit directly
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* seems to achieve the same result. It uses a "p10t_switcher" to do the
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* job. It doesn't seem to be able to do anything else, and no other use
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* of the port 0x68 is known.
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*
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* In the Android mode, the home button sends just a single scancode,
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* which can be handled in Linux userspace more reasonably and the back
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* button only sends a scancode without toggling the kill switch.
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* The scancode can then be mapped either to Back or RF Kill functionality
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* in userspace, depending on how the button is labeled on that particular
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* model.
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*/
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outb(CZC_EC_ANDROID_KEYS, CZC_EC_EXTRA_PORT);
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return 0;
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}
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const struct x86_dev_info czc_p10t __initconst = {
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.init = czc_p10t_init,
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};
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/* Medion Lifetab S10346 tablets have an Android factory img with everything hardcoded */
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static const char * const medion_lifetab_s10346_accel_mount_matrix[] = {
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"0", "1", "0",
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"1", "0", "0",
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"0", "0", "1"
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};
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static const struct property_entry medion_lifetab_s10346_accel_props[] = {
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PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", medion_lifetab_s10346_accel_mount_matrix),
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{ }
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};
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static const struct software_node medion_lifetab_s10346_accel_node = {
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.properties = medion_lifetab_s10346_accel_props,
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};
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/* Note the LCD panel is mounted upside down, this is correctly indicated in the VBT */
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static const struct property_entry medion_lifetab_s10346_touchscreen_props[] = {
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PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
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PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
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{ }
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};
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static const struct software_node medion_lifetab_s10346_touchscreen_node = {
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.properties = medion_lifetab_s10346_touchscreen_props,
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};
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static const struct x86_i2c_client_info medion_lifetab_s10346_i2c_clients[] __initconst = {
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{
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/* kxtj21009 accel */
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.board_info = {
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.type = "kxtj21009",
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.addr = 0x0f,
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.dev_name = "kxtj21009",
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.swnode = &medion_lifetab_s10346_accel_node,
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},
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.adapter_path = "\\_SB_.I2C3",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_GPIOINT,
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.chip = "INT33FC:02",
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.index = 23,
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.trigger = ACPI_EDGE_SENSITIVE,
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.polarity = ACPI_ACTIVE_HIGH,
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},
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}, {
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/* goodix touchscreen */
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.board_info = {
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.type = "GDIX1001:00",
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.addr = 0x14,
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.dev_name = "goodix_ts",
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.swnode = &medion_lifetab_s10346_touchscreen_node,
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},
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.adapter_path = "\\_SB_.I2C4",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_APIC,
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.index = 0x44,
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.trigger = ACPI_EDGE_SENSITIVE,
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.polarity = ACPI_ACTIVE_LOW,
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},
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},
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};
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static struct gpiod_lookup_table medion_lifetab_s10346_goodix_gpios = {
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.dev_id = "i2c-goodix_ts",
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.table = {
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GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_HIGH),
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GPIO_LOOKUP("INT33FC:02", 3, "irq", GPIO_ACTIVE_HIGH),
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{ }
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},
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};
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static struct gpiod_lookup_table * const medion_lifetab_s10346_gpios[] = {
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&medion_lifetab_s10346_goodix_gpios,
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NULL
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};
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const struct x86_dev_info medion_lifetab_s10346_info __initconst = {
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.i2c_client_info = medion_lifetab_s10346_i2c_clients,
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.i2c_client_count = ARRAY_SIZE(medion_lifetab_s10346_i2c_clients),
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.gpiod_lookup_tables = medion_lifetab_s10346_gpios,
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};
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/* Nextbook Ares 8 (BYT) tablets have an Android factory img with everything hardcoded */
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static const char * const nextbook_ares8_accel_mount_matrix[] = {
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"0", "-1", "0",
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"-1", "0", "0",
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"0", "0", "1"
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};
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static const struct property_entry nextbook_ares8_accel_props[] = {
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PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", nextbook_ares8_accel_mount_matrix),
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{ }
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};
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static const struct software_node nextbook_ares8_accel_node = {
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.properties = nextbook_ares8_accel_props,
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};
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static const struct property_entry nextbook_ares8_touchscreen_props[] = {
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PROPERTY_ENTRY_U32("touchscreen-size-x", 800),
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PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
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{ }
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};
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static const struct software_node nextbook_ares8_touchscreen_node = {
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.properties = nextbook_ares8_touchscreen_props,
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};
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static const struct x86_i2c_client_info nextbook_ares8_i2c_clients[] __initconst = {
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{
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/* Freescale MMA8653FC accel */
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.board_info = {
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.type = "mma8653",
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.addr = 0x1d,
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.dev_name = "mma8653",
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.swnode = &nextbook_ares8_accel_node,
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},
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.adapter_path = "\\_SB_.I2C3",
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}, {
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/* FT5416DQ9 touchscreen controller */
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.board_info = {
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.type = "edt-ft5x06",
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.addr = 0x38,
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.dev_name = "ft5416",
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.swnode = &nextbook_ares8_touchscreen_node,
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},
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.adapter_path = "\\_SB_.I2C4",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_GPIOINT,
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.chip = "INT33FC:02",
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.index = 3,
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.trigger = ACPI_EDGE_SENSITIVE,
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.polarity = ACPI_ACTIVE_LOW,
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},
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},
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};
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static struct gpiod_lookup_table * const nextbook_ares8_gpios[] = {
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&int3496_reference_gpios,
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NULL
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};
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const struct x86_dev_info nextbook_ares8_info __initconst = {
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.i2c_client_info = nextbook_ares8_i2c_clients,
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.i2c_client_count = ARRAY_SIZE(nextbook_ares8_i2c_clients),
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.pdev_info = int3496_pdevs,
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.pdev_count = 1,
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.gpiod_lookup_tables = nextbook_ares8_gpios,
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};
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/* Nextbook Ares 8A (CHT) tablets have an Android factory img with everything hardcoded */
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static const char * const nextbook_ares8a_accel_mount_matrix[] = {
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"1", "0", "0",
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"0", "-1", "0",
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"0", "0", "1"
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};
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static const struct property_entry nextbook_ares8a_accel_props[] = {
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PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", nextbook_ares8a_accel_mount_matrix),
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{ }
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};
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static const struct software_node nextbook_ares8a_accel_node = {
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.properties = nextbook_ares8a_accel_props,
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};
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static const struct x86_i2c_client_info nextbook_ares8a_i2c_clients[] __initconst = {
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{
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/* Freescale MMA8653FC accel */
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.board_info = {
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.type = "mma8653",
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.addr = 0x1d,
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.dev_name = "mma8653",
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.swnode = &nextbook_ares8a_accel_node,
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},
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.adapter_path = "\\_SB_.PCI0.I2C3",
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}, {
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/* FT5416DQ9 touchscreen controller */
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.board_info = {
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.type = "edt-ft5x06",
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.addr = 0x38,
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.dev_name = "ft5416",
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.swnode = &nextbook_ares8_touchscreen_node,
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},
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.adapter_path = "\\_SB_.PCI0.I2C6",
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.irq_data = {
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.type = X86_ACPI_IRQ_TYPE_GPIOINT,
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.chip = "INT33FF:01",
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.index = 17,
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|
.trigger = ACPI_EDGE_SENSITIVE,
|
|
.polarity = ACPI_ACTIVE_LOW,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct gpiod_lookup_table nextbook_ares8a_ft5416_gpios = {
|
|
.dev_id = "i2c-ft5416",
|
|
.table = {
|
|
GPIO_LOOKUP("INT33FF:01", 25, "reset", GPIO_ACTIVE_LOW),
|
|
{ }
|
|
},
|
|
};
|
|
|
|
static struct gpiod_lookup_table * const nextbook_ares8a_gpios[] = {
|
|
&nextbook_ares8a_ft5416_gpios,
|
|
NULL
|
|
};
|
|
|
|
const struct x86_dev_info nextbook_ares8a_info __initconst = {
|
|
.i2c_client_info = nextbook_ares8a_i2c_clients,
|
|
.i2c_client_count = ARRAY_SIZE(nextbook_ares8a_i2c_clients),
|
|
.gpiod_lookup_tables = nextbook_ares8a_gpios,
|
|
};
|
|
|
|
/*
|
|
* Peaq C1010
|
|
* This is a standard Windows tablet, but it has a special Dolby button.
|
|
* This button has a WMI interface, but that is broken. Instead of trying to
|
|
* use the broken WMI interface, instantiate a gpio_keys device for this.
|
|
*/
|
|
static const struct x86_gpio_button peaq_c1010_button __initconst = {
|
|
.button = {
|
|
.code = KEY_SOUND,
|
|
.active_low = true,
|
|
.desc = "dolby_key",
|
|
.type = EV_KEY,
|
|
.wakeup = false,
|
|
.debounce_interval = 50,
|
|
},
|
|
.chip = "INT33FC:00",
|
|
.pin = 3,
|
|
};
|
|
|
|
const struct x86_dev_info peaq_c1010_info __initconst = {
|
|
.gpio_button = &peaq_c1010_button,
|
|
.gpio_button_count = 1,
|
|
/*
|
|
* Move the ACPI event handler used by the broken WMI interface out of
|
|
* the way. This is the only event handler on INT33FC:00.
|
|
*/
|
|
.invalid_aei_gpiochip = "INT33FC:00",
|
|
};
|
|
|
|
/*
|
|
* Whitelabel (sold as various brands) TM800A550L tablets.
|
|
* These tablet's DSDT contains a whole bunch of bogus ACPI I2C devices
|
|
* (removed through acpi_quirk_skip_i2c_client_enumeration()) and
|
|
* the touchscreen fwnode has the wrong GPIOs.
|
|
*/
|
|
static const char * const whitelabel_tm800a550l_accel_mount_matrix[] = {
|
|
"-1", "0", "0",
|
|
"0", "1", "0",
|
|
"0", "0", "1"
|
|
};
|
|
|
|
static const struct property_entry whitelabel_tm800a550l_accel_props[] = {
|
|
PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", whitelabel_tm800a550l_accel_mount_matrix),
|
|
{ }
|
|
};
|
|
|
|
static const struct software_node whitelabel_tm800a550l_accel_node = {
|
|
.properties = whitelabel_tm800a550l_accel_props,
|
|
};
|
|
|
|
static const struct property_entry whitelabel_tm800a550l_goodix_props[] = {
|
|
PROPERTY_ENTRY_STRING("firmware-name", "gt912-tm800a550l.fw"),
|
|
PROPERTY_ENTRY_STRING("goodix,config-name", "gt912-tm800a550l.cfg"),
|
|
PROPERTY_ENTRY_U32("goodix,main-clk", 54),
|
|
{ }
|
|
};
|
|
|
|
static const struct software_node whitelabel_tm800a550l_goodix_node = {
|
|
.properties = whitelabel_tm800a550l_goodix_props,
|
|
};
|
|
|
|
static const struct x86_i2c_client_info whitelabel_tm800a550l_i2c_clients[] __initconst = {
|
|
{
|
|
/* goodix touchscreen */
|
|
.board_info = {
|
|
.type = "GDIX1001:00",
|
|
.addr = 0x14,
|
|
.dev_name = "goodix_ts",
|
|
.swnode = &whitelabel_tm800a550l_goodix_node,
|
|
},
|
|
.adapter_path = "\\_SB_.I2C2",
|
|
.irq_data = {
|
|
.type = X86_ACPI_IRQ_TYPE_APIC,
|
|
.index = 0x44,
|
|
.trigger = ACPI_EDGE_SENSITIVE,
|
|
.polarity = ACPI_ACTIVE_HIGH,
|
|
},
|
|
}, {
|
|
/* kxcj91008 accel */
|
|
.board_info = {
|
|
.type = "kxcj91008",
|
|
.addr = 0x0f,
|
|
.dev_name = "kxcj91008",
|
|
.swnode = &whitelabel_tm800a550l_accel_node,
|
|
},
|
|
.adapter_path = "\\_SB_.I2C3",
|
|
},
|
|
};
|
|
|
|
static struct gpiod_lookup_table whitelabel_tm800a550l_goodix_gpios = {
|
|
.dev_id = "i2c-goodix_ts",
|
|
.table = {
|
|
GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_HIGH),
|
|
GPIO_LOOKUP("INT33FC:02", 3, "irq", GPIO_ACTIVE_HIGH),
|
|
{ }
|
|
},
|
|
};
|
|
|
|
static struct gpiod_lookup_table * const whitelabel_tm800a550l_gpios[] = {
|
|
&whitelabel_tm800a550l_goodix_gpios,
|
|
NULL
|
|
};
|
|
|
|
const struct x86_dev_info whitelabel_tm800a550l_info __initconst = {
|
|
.i2c_client_info = whitelabel_tm800a550l_i2c_clients,
|
|
.i2c_client_count = ARRAY_SIZE(whitelabel_tm800a550l_i2c_clients),
|
|
.gpiod_lookup_tables = whitelabel_tm800a550l_gpios,
|
|
};
|
|
|
|
/*
|
|
* If the EFI bootloader is not Xiaomi's own signed Android loader, then the
|
|
* Xiaomi Mi Pad 2 X86 tablet sets OSID in the DSDT to 1 (Windows), causing
|
|
* a bunch of devices to be hidden.
|
|
*
|
|
* This takes care of instantiating the hidden devices manually.
|
|
*/
|
|
static const struct x86_i2c_client_info xiaomi_mipad2_i2c_clients[] __initconst = {
|
|
{
|
|
/* BQ27520 fuel-gauge */
|
|
.board_info = {
|
|
.type = "bq27520",
|
|
.addr = 0x55,
|
|
.dev_name = "bq27520",
|
|
.swnode = &fg_bq25890_supply_node,
|
|
},
|
|
.adapter_path = "\\_SB_.PCI0.I2C1",
|
|
}, {
|
|
/* KTD2026 RGB notification LED controller */
|
|
.board_info = {
|
|
.type = "ktd2026",
|
|
.addr = 0x30,
|
|
.dev_name = "ktd2026",
|
|
},
|
|
.adapter_path = "\\_SB_.PCI0.I2C3",
|
|
},
|
|
};
|
|
|
|
const struct x86_dev_info xiaomi_mipad2_info __initconst = {
|
|
.i2c_client_info = xiaomi_mipad2_i2c_clients,
|
|
.i2c_client_count = ARRAY_SIZE(xiaomi_mipad2_i2c_clients),
|
|
};
|