diff options
Diffstat (limited to 'drivers/acpi/x86')
| -rw-r--r-- | drivers/acpi/x86/utils.c | 77 |
1 files changed, 73 insertions, 4 deletions
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index 375a0911f06d..5411f2f1254e 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -8,6 +8,8 @@ * Copyright (C) 2013-2015 Intel Corporation. All rights reserved. */ +#define pr_fmt(fmt) "ACPI: " fmt + #include <linux/acpi.h> #include <linux/dmi.h> #include <linux/platform_device.h> @@ -210,7 +212,6 @@ bool force_storage_d3(void) return x86_match_cpu(storage_d3_cpu_ids); } -#if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS) /* * x86 ACPI boards which ship with only Android as their factory image usually * declare a whole bunch of bogus I2C devices in their ACPI tables and sometimes @@ -236,8 +237,36 @@ bool force_storage_d3(void) */ #define ACPI_QUIRK_SKIP_I2C_CLIENTS BIT(0) #define ACPI_QUIRK_UART1_TTY_UART2_SKIP BIT(1) +#define ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY BIT(2) +#define ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY BIT(3) + +static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = { + /* + * 1. Devices with only the skip / don't-skip AC and battery quirks, + * sorted alphabetically. + */ + { + /* ECS EF20EA, AXP288 PMIC but uses separate fuel-gauge */ + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"), + }, + .driver_data = (void *)ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY + }, + { + /* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "80XF"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), + }, + .driver_data = (void *)ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY + }, -static const struct dmi_system_id acpi_skip_serial_bus_enumeration_ids[] = { + /* + * 2. Devices which also have the skip i2c/serdev quirks and which + * need the x86-android-tablets module to properly work. + */ +#if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS) { .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), @@ -263,9 +292,11 @@ static const struct dmi_system_id acpi_skip_serial_bus_enumeration_ids[] = { }, .driver_data = (void *)ACPI_QUIRK_SKIP_I2C_CLIENTS, }, +#endif {} }; +#if IS_ENABLED(CONFIG_X86_ANDROID_TABLETS) static const struct acpi_device_id i2c_acpi_known_good_ids[] = { { "10EC5640", 0 }, /* RealTek ALC5640 audio codec */ { "INT33F4", 0 }, /* X-Powers AXP288 PMIC */ @@ -279,7 +310,7 @@ bool acpi_quirk_skip_i2c_client_enumeration(struct acpi_device *adev) const struct dmi_system_id *dmi_id; long quirks; - dmi_id = dmi_first_match(acpi_skip_serial_bus_enumeration_ids); + dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); if (!dmi_id) return false; @@ -303,7 +334,7 @@ int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *s if (!adev || !adev->pnp.unique_id || !dev_is_platform(controller_parent)) return 0; - dmi_id = dmi_first_match(acpi_skip_serial_bus_enumeration_ids); + dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); if (dmi_id) quirks = (unsigned long)dmi_id->driver_data; @@ -319,3 +350,41 @@ int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *s } EXPORT_SYMBOL_GPL(acpi_quirk_skip_serdev_enumeration); #endif + +/* Lists of PMIC ACPI HIDs with an (often better) native charger driver */ +static const struct { + const char *hid; + int hrv; +} acpi_skip_ac_and_battery_pmic_ids[] = { + { "INT33F4", -1 }, /* X-Powers AXP288 PMIC */ + { "INT34D3", 3 }, /* Intel Cherrytrail Whiskey Cove PMIC */ +}; + +bool acpi_quirk_skip_acpi_ac_and_battery(void) +{ + const struct dmi_system_id *dmi_id; + long quirks = 0; + int i; + + dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); + if (dmi_id) + quirks = (unsigned long)dmi_id->driver_data; + + if (quirks & ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY) + return true; + + if (quirks & ACPI_QUIRK_USE_ACPI_AC_AND_BATTERY) + return false; + + for (i = 0; i < ARRAY_SIZE(acpi_skip_ac_and_battery_pmic_ids); i++) { + if (acpi_dev_present(acpi_skip_ac_and_battery_pmic_ids[i].hid, "1", + acpi_skip_ac_and_battery_pmic_ids[i].hrv)) { + pr_info_once("found native %s PMIC, skipping ACPI AC and battery devices\n", + acpi_skip_ac_and_battery_pmic_ids[i].hid); + return true; + } + } + + return false; +} +EXPORT_SYMBOL_GPL(acpi_quirk_skip_acpi_ac_and_battery); |