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platform/x86: x86-android-tablets: Add TM800A550L data
The whitelabel (sold as various brands) TM800A550L tablets's DSDT contains a whole bunch of bogus ACPI I2C devices and the ACPI node describing the touchscreen is bad (the IRQ is missing). Enumeration of these is skipped through the acpi_quirk_skip_i2c_client_enumeration(). Add support for manually instantiating the (now) missing I2C devices by adding the necessary device info to the x86-android-tablets module, including instantiating an actually working i2c-client for the touchscreen. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20211229231431.437982-13-hdegoede@redhat.com
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1 changed files with 92 additions and 1 deletions
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@ -490,6 +490,86 @@ static const struct x86_dev_info chuwi_hi8_info __initconst = {
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.i2c_client_count = ARRAY_SIZE(chuwi_hi8_i2c_clients),
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};
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/*
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* Whitelabel (sold as various brands) TM800A550L tablets.
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* These tablet's DSDT contains a whole bunch of bogus ACPI I2C devices
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* (removed through acpi_quirk_skip_i2c_client_enumeration()) and
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* the touchscreen fwnode has the wrong GPIOs.
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*/
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static const char * const whitelabel_tm800a550l_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 whitelabel_tm800a550l_accel_props[] = {
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PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", whitelabel_tm800a550l_accel_mount_matrix),
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{ }
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};
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static const struct software_node whitelabel_tm800a550l_accel_node = {
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.properties = whitelabel_tm800a550l_accel_props,
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};
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static const struct property_entry whitelabel_tm800a550l_goodix_props[] = {
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PROPERTY_ENTRY_STRING("firmware-name", "gt912-tm800a550l.fw"),
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PROPERTY_ENTRY_STRING("goodix,config-name", "gt912-tm800a550l.cfg"),
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PROPERTY_ENTRY_U32("goodix,main-clk", 54),
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{ }
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};
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static const struct software_node whitelabel_tm800a550l_goodix_node = {
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.properties = whitelabel_tm800a550l_goodix_props,
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};
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static const struct x86_i2c_client_info whitelabel_tm800a550l_i2c_clients[] __initconst = {
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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 = &whitelabel_tm800a550l_goodix_node,
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},
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.adapter_path = "\\_SB_.I2C2",
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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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/* kxcj91008 accel */
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.board_info = {
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.type = "kxcj91008",
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.addr = 0x0f,
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.dev_name = "kxcj91008",
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.swnode = &whitelabel_tm800a550l_accel_node,
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},
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.adapter_path = "\\_SB_.I2C3",
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},
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};
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static struct gpiod_lookup_table whitelabel_tm800a550l_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 *whitelabel_tm800a550l_gpios[] = {
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&whitelabel_tm800a550l_goodix_gpios,
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NULL
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};
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static const struct x86_dev_info whitelabel_tm800a550l_info __initconst = {
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.i2c_client_info = whitelabel_tm800a550l_i2c_clients,
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.i2c_client_count = ARRAY_SIZE(whitelabel_tm800a550l_i2c_clients),
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.gpiod_lookup_tables = whitelabel_tm800a550l_gpios,
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};
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/*
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* If the EFI bootloader is not Xiaomi's own signed Android loader, then the
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* Xiaomi Mi Pad 2 X86 tablet sets OSID in the DSDT to 1 (Windows), causing
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@ -560,7 +640,18 @@ static const struct dmi_system_id x86_android_tablet_ids[] __initconst = {
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DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
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},
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.driver_data = (void *)&chuwi_hi8_info,
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}, {
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},
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{
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/* Whitelabel (sold as various brands) TM800A550L */
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.matches = {
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DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
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DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
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/* Above strings are too generic, also match on BIOS version */
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DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"),
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},
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.driver_data = (void *)&whitelabel_tm800a550l_info,
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},
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{
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/* Xiaomi Mi Pad 2 */
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Xiaomi Inc"),
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