acpi/x86/utils.c

1 // SPDX-License-Identifier: GPL-2.0-only
8  * Copyright (C) 2013-2015 Intel Corporation. All rights reserved.
18 #include <asm/intel-family.h>
22  * Some ACPI devices are hidden (status == 0x0) in recent BIOS-es because
26  * Some BIOS-es (temporarily) hide specific APCI devices to work around Windows
29  * Likewise sometimes some not-actually present devices are sometimes
32  * We work around this by using the below quirk list to override the status
38  * are re-used on different SoCs for completely different devices.
108 	 * but it is. In the 67000+ DMI decode dumps from linux-hardware.org
113 	 * was copy-pasted from the GPD win, so it has a disabled KIOX000A
137 	 * mmc controller enabled and that has a child-device which _PS3
138 	 * method sets a GPIO causing the PCI wifi card to turn off.
176 			if (acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &path))  in acpi_device_override_status()
188 			if (!adev->pnp.unique_id ||  in acpi_device_override_status()
189 			    strcmp(adev->pnp.unique_id, override_status_ids[i].uid))  in acpi_device_override_status()
203  * is put into D3 over a Modern Standby / suspend-to-idle cycle.
247  * serdev code to skip instantiating any I2C or serdev devs on broken boards.
250  * list. These are known to always be correct (and in case of the audio-codecs
256  * drivers/platform/x86/x86-android-tablets.c kernel module.
268 	 * 1. Devices with only the skip / don't-skip AC and battery quirks,
272 		/* ECS EF20EA, AXP288 PMIC but uses separate fuel-gauge */
279 		/* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */
283 			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
290 	 *    need the x86-android-tablets module to properly work.
295 		/* Acer Iconia One 7 B1-750 */
305 		/* Acer Iconia One 8 A1-840 (non FHD version) */
328 		/* Asus TF103C transformer 2-in-1 */
342 			DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"),
354 			DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
367 			DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"),
422 			DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"),
435 	{ "INT33F4", 0 },  /* X-Powers AXP288 PMIC */
452 	quirks = (unsigned long)dmi_id->driver_data;  in acpi_quirk_skip_i2c_client_enumeration()
471 	quirks = (unsigned long)dmi_id->driver_data;  in acpi_dmi_skip_serdev_enumeration()
484 		if (pdev->devfn == PCI_DEVFN(0x1e, 3))  in acpi_dmi_skip_serdev_enumeration()
486 		else if (pdev->devfn == PCI_DEVFN(0x1e, 4))  in acpi_dmi_skip_serdev_enumeration()
506 			return -ENODEV; /* Create tty cdev instead of serdev */  in acpi_dmi_skip_serdev_enumeration()
524 	quirks = (unsigned long)dmi_id->driver_data;  in acpi_quirk_skip_gpio_event_handlers()
548 	{ "INT33F4", -1 }, /* X-Powers AXP288 PMIC */
560 		quirks = (unsigned long)dmi_id->driver_data;  in acpi_quirk_skip_acpi_ac_and_battery()
586 	pr_notice("%s detected - disabling mwait for CPU C-states\n",  in acpi_proc_quirk_set_no_mwait()
587 		  id->ident);  in acpi_proc_quirk_set_no_mwait()
611 	 * should not use mwait for CPU-states.  in acpi_proc_quirk_mwait_check()