blob: bc6bbf7ec6ea137101394b59d38fb7471675b00c [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* DMI based code to deal with broken DSDTs on X86 tablets which ship with
* Android as (part of) the factory image. The factory kernels shipped on these
* devices typically have a bunch of things hardcoded, rather than specified
* in their DSDT.
*
* Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com>
*/
#include <linux/acpi.h>
#include <linux/gpio/machine.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include "shared-psy-info.h"
#include "x86-android-tablets.h"
/* Acer Iconia One 7 B1-750 has an Android factory img with everything hardcoded */
static const char * const acer_b1_750_mount_matrix[] = {
"-1", "0", "0",
"0", "1", "0",
"0", "0", "1"
};
static const struct property_entry acer_b1_750_bma250e_props[] = {
PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", acer_b1_750_mount_matrix),
{ }
};
static const struct software_node acer_b1_750_bma250e_node = {
.properties = acer_b1_750_bma250e_props,
};
static const struct x86_i2c_client_info acer_b1_750_i2c_clients[] __initconst = {
{
/* Novatek NVT-ts touchscreen */
.board_info = {
.type = "NVT-ts",
.addr = 0x34,
.dev_name = "NVT-ts",
},
.adapter_path = "\\_SB_.I2C4",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_GPIOINT,
.chip = "INT33FC:02",
.index = 3,
.trigger = ACPI_EDGE_SENSITIVE,
.polarity = ACPI_ACTIVE_LOW,
.con_id = "NVT-ts_irq",
},
}, {
/* BMA250E accelerometer */
.board_info = {
.type = "bma250e",
.addr = 0x18,
.swnode = &acer_b1_750_bma250e_node,
},
.adapter_path = "\\_SB_.I2C3",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_GPIOINT,
.chip = "INT33FC:02",
.index = 25,
.trigger = ACPI_LEVEL_SENSITIVE,
.polarity = ACPI_ACTIVE_HIGH,
.con_id = "bma250e_irq",
},
},
};
static struct gpiod_lookup_table acer_b1_750_goodix_gpios = {
.dev_id = "i2c-NVT-ts",
.table = {
GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_LOW),
{ }
},
};
static struct gpiod_lookup_table * const acer_b1_750_gpios[] = {
&acer_b1_750_goodix_gpios,
&int3496_reference_gpios,
NULL
};
const struct x86_dev_info acer_b1_750_info __initconst = {
.i2c_client_info = acer_b1_750_i2c_clients,
.i2c_client_count = ARRAY_SIZE(acer_b1_750_i2c_clients),
.pdev_info = int3496_pdevs,
.pdev_count = 1,
.gpiod_lookup_tables = acer_b1_750_gpios,
};
/*
* Advantech MICA-071
* This is a standard Windows tablet, but it has an extra "quick launch" button
* which is not described in the ACPI tables in anyway.
* Use the x86-android-tablets infra to create a gpio-button device for this.
*/
static const struct x86_gpio_button advantech_mica_071_button __initconst = {
.button = {
.code = KEY_PROG1,
.active_low = true,
.desc = "prog1_key",
.type = EV_KEY,
.wakeup = false,
.debounce_interval = 50,
},
.chip = "INT33FC:00",
.pin = 2,
};
const struct x86_dev_info advantech_mica_071_info __initconst = {
.gpio_button = &advantech_mica_071_button,
.gpio_button_count = 1,
};
/*
* When booted with the BIOS set to Android mode the Chuwi Hi8 (CWI509) DSDT
* contains a whole bunch of bogus ACPI I2C devices and is missing entries
* for the touchscreen and the accelerometer.
*/
static const struct property_entry chuwi_hi8_gsl1680_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 software_node chuwi_hi8_gsl1680_node = {
.properties = chuwi_hi8_gsl1680_props,
};
static const char * const chuwi_hi8_mount_matrix[] = {
"1", "0", "0",
"0", "-1", "0",
"0", "0", "1"
};
static const struct property_entry chuwi_hi8_bma250e_props[] = {
PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", chuwi_hi8_mount_matrix),
{ }
};
static const struct software_node chuwi_hi8_bma250e_node = {
.properties = chuwi_hi8_bma250e_props,
};
static const struct x86_i2c_client_info chuwi_hi8_i2c_clients[] __initconst = {
{
/* Silead touchscreen */
.board_info = {
.type = "gsl1680",
.addr = 0x40,
.swnode = &chuwi_hi8_gsl1680_node,
},
.adapter_path = "\\_SB_.I2C4",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_APIC,
.index = 0x44,
.trigger = ACPI_EDGE_SENSITIVE,
.polarity = ACPI_ACTIVE_HIGH,
},
}, {
/* BMA250E accelerometer */
.board_info = {
.type = "bma250e",
.addr = 0x18,
.swnode = &chuwi_hi8_bma250e_node,
},
.adapter_path = "\\_SB_.I2C3",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_GPIOINT,
.chip = "INT33FC:02",
.index = 23,
.trigger = ACPI_LEVEL_SENSITIVE,
.polarity = ACPI_ACTIVE_HIGH,
.con_id = "bma250e_irq",
},
},
};
static int __init chuwi_hi8_init(void)
{
/*
* Avoid the acpi_unregister_gsi() call in x86_acpi_irq_helper_get()
* breaking the touchscreen + logging various errors when the Windows
* BIOS is used.
*/
if (acpi_dev_present("MSSL0001", NULL, 1))
return -ENODEV;
return 0;
}
const struct x86_dev_info chuwi_hi8_info __initconst = {
.i2c_client_info = chuwi_hi8_i2c_clients,
.i2c_client_count = ARRAY_SIZE(chuwi_hi8_i2c_clients),
.init = chuwi_hi8_init,
};
/*
* Cyberbook T116 Android version
* This comes in both Windows and Android versions and even on Android
* the DSDT is mostly sane. This tablet has 2 extra general purpose buttons
* in the button row with the power + volume-buttons labeled P and F.
* Use the x86-android-tablets infra to create a gpio-button device for these.
*/
static const struct x86_gpio_button cyberbook_t116_buttons[] __initconst = {
{
.button = {
.code = KEY_PROG1,
.active_low = true,
.desc = "prog1_key",
.type = EV_KEY,
.wakeup = false,
.debounce_interval = 50,
},
.chip = "INT33FF:00",
.pin = 30,
},
{
.button = {
.code = KEY_PROG2,
.active_low = true,
.desc = "prog2_key",
.type = EV_KEY,
.wakeup = false,
.debounce_interval = 50,
},
.chip = "INT33FF:03",
.pin = 48,
},
};
const struct x86_dev_info cyberbook_t116_info __initconst = {
.gpio_button = cyberbook_t116_buttons,
.gpio_button_count = ARRAY_SIZE(cyberbook_t116_buttons),
};
#define CZC_EC_EXTRA_PORT 0x68
#define CZC_EC_ANDROID_KEYS 0x63
static int __init czc_p10t_init(void)
{
/*
* The device boots up in "Windows 7" mode, when the home button sends a
* Windows specific key sequence (Left Meta + D) and the second button
* sends an unknown one while also toggling the Radio Kill Switch.
* This is a surprising behavior when the second button is labeled "Back".
*
* The vendor-supplied Android-x86 build switches the device to a "Android"
* mode by writing value 0x63 to the I/O port 0x68. This just seems to just
* set bit 6 on address 0x96 in the EC region; switching the bit directly
* seems to achieve the same result. It uses a "p10t_switcher" to do the
* job. It doesn't seem to be able to do anything else, and no other use
* of the port 0x68 is known.
*
* In the Android mode, the home button sends just a single scancode,
* which can be handled in Linux userspace more reasonably and the back
* button only sends a scancode without toggling the kill switch.
* The scancode can then be mapped either to Back or RF Kill functionality
* in userspace, depending on how the button is labeled on that particular
* model.
*/
outb(CZC_EC_ANDROID_KEYS, CZC_EC_EXTRA_PORT);
return 0;
}
const struct x86_dev_info czc_p10t __initconst = {
.init = czc_p10t_init,
};
/* Medion Lifetab S10346 tablets have an Android factory img with everything hardcoded */
static const char * const medion_lifetab_s10346_accel_mount_matrix[] = {
"0", "1", "0",
"1", "0", "0",
"0", "0", "1"
};
static const struct property_entry medion_lifetab_s10346_accel_props[] = {
PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", medion_lifetab_s10346_accel_mount_matrix),
{ }
};
static const struct software_node medion_lifetab_s10346_accel_node = {
.properties = medion_lifetab_s10346_accel_props,
};
/* Note the LCD panel is mounted upside down, this is correctly indicated in the VBT */
static const struct property_entry medion_lifetab_s10346_touchscreen_props[] = {
PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
{ }
};
static const struct software_node medion_lifetab_s10346_touchscreen_node = {
.properties = medion_lifetab_s10346_touchscreen_props,
};
static const struct x86_i2c_client_info medion_lifetab_s10346_i2c_clients[] __initconst = {
{
/* kxtj21009 accel */
.board_info = {
.type = "kxtj21009",
.addr = 0x0f,
.dev_name = "kxtj21009",
.swnode = &medion_lifetab_s10346_accel_node,
},
.adapter_path = "\\_SB_.I2C3",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_GPIOINT,
.chip = "INT33FC:02",
.index = 23,
.trigger = ACPI_EDGE_SENSITIVE,
.polarity = ACPI_ACTIVE_HIGH,
.con_id = "kxtj21009_irq",
},
}, {
/* goodix touchscreen */
.board_info = {
.type = "GDIX1001:00",
.addr = 0x14,
.dev_name = "goodix_ts",
.swnode = &medion_lifetab_s10346_touchscreen_node,
},
.adapter_path = "\\_SB_.I2C4",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_APIC,
.index = 0x44,
.trigger = ACPI_EDGE_SENSITIVE,
.polarity = ACPI_ACTIVE_LOW,
},
},
};
static struct gpiod_lookup_table medion_lifetab_s10346_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 medion_lifetab_s10346_gpios[] = {
&medion_lifetab_s10346_goodix_gpios,
NULL
};
const struct x86_dev_info medion_lifetab_s10346_info __initconst = {
.i2c_client_info = medion_lifetab_s10346_i2c_clients,
.i2c_client_count = ARRAY_SIZE(medion_lifetab_s10346_i2c_clients),
.gpiod_lookup_tables = medion_lifetab_s10346_gpios,
};
/* Nextbook Ares 8 (BYT) tablets have an Android factory img with everything hardcoded */
static const char * const nextbook_ares8_accel_mount_matrix[] = {
"0", "-1", "0",
"-1", "0", "0",
"0", "0", "1"
};
static const struct property_entry nextbook_ares8_accel_props[] = {
PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", nextbook_ares8_accel_mount_matrix),
{ }
};
static const struct software_node nextbook_ares8_accel_node = {
.properties = nextbook_ares8_accel_props,
};
static const struct property_entry nextbook_ares8_touchscreen_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 800),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
{ }
};
static const struct software_node nextbook_ares8_touchscreen_node = {
.properties = nextbook_ares8_touchscreen_props,
};
static const struct x86_i2c_client_info nextbook_ares8_i2c_clients[] __initconst = {
{
/* Freescale MMA8653FC accel */
.board_info = {
.type = "mma8653",
.addr = 0x1d,
.dev_name = "mma8653",
.swnode = &nextbook_ares8_accel_node,
},
.adapter_path = "\\_SB_.I2C3",
}, {
/* FT5416DQ9 touchscreen controller */
.board_info = {
.type = "edt-ft5x06",
.addr = 0x38,
.dev_name = "ft5416",
.swnode = &nextbook_ares8_touchscreen_node,
},
.adapter_path = "\\_SB_.I2C4",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_GPIOINT,
.chip = "INT33FC:02",
.index = 3,
.trigger = ACPI_EDGE_SENSITIVE,
.polarity = ACPI_ACTIVE_LOW,
.con_id = "ft5416_irq",
},
},
};
static struct gpiod_lookup_table * const nextbook_ares8_gpios[] = {
&int3496_reference_gpios,
NULL
};
const struct x86_dev_info nextbook_ares8_info __initconst = {
.i2c_client_info = nextbook_ares8_i2c_clients,
.i2c_client_count = ARRAY_SIZE(nextbook_ares8_i2c_clients),
.pdev_info = int3496_pdevs,
.pdev_count = 1,
.gpiod_lookup_tables = nextbook_ares8_gpios,
};
/* Nextbook Ares 8A (CHT) tablets have an Android factory img with everything hardcoded */
static const char * const nextbook_ares8a_accel_mount_matrix[] = {
"1", "0", "0",
"0", "-1", "0",
"0", "0", "1"
};
static const struct property_entry nextbook_ares8a_accel_props[] = {
PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", nextbook_ares8a_accel_mount_matrix),
{ }
};
static const struct software_node nextbook_ares8a_accel_node = {
.properties = nextbook_ares8a_accel_props,
};
static const struct x86_i2c_client_info nextbook_ares8a_i2c_clients[] __initconst = {
{
/* Freescale MMA8653FC accel */
.board_info = {
.type = "mma8653",
.addr = 0x1d,
.dev_name = "mma8653",
.swnode = &nextbook_ares8a_accel_node,
},
.adapter_path = "\\_SB_.PCI0.I2C3",
}, {
/* FT5416DQ9 touchscreen controller */
.board_info = {
.type = "edt-ft5x06",
.addr = 0x38,
.dev_name = "ft5416",
.swnode = &nextbook_ares8_touchscreen_node,
},
.adapter_path = "\\_SB_.PCI0.I2C6",
.irq_data = {
.type = X86_ACPI_IRQ_TYPE_GPIOINT,
.chip = "INT33FF:01",
.index = 17,
.trigger = ACPI_EDGE_SENSITIVE,
.polarity = ACPI_ACTIVE_LOW,
.con_id = "ft5416_irq",
},
},
};
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,
};
/*
* 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),
};