|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /* | 
|  | *  acpi_drivers.h  ($Revision: 31 $) | 
|  | * | 
|  | *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> | 
|  | *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | 
|  | */ | 
|  |  | 
|  | #ifndef __ACPI_DRIVERS_H__ | 
|  | #define __ACPI_DRIVERS_H__ | 
|  |  | 
|  | #define ACPI_MAX_STRING			80 | 
|  |  | 
|  | /* | 
|  | * _HID definitions | 
|  | * HIDs must conform to ACPI spec(6.1.4) | 
|  | * Linux specific HIDs do not apply to this and begin with LNX: | 
|  | */ | 
|  |  | 
|  | #define ACPI_POWER_HID			"LNXPOWER" | 
|  | #define ACPI_PROCESSOR_OBJECT_HID	"LNXCPU" | 
|  | #define ACPI_SYSTEM_HID			"LNXSYSTM" | 
|  | #define ACPI_THERMAL_HID		"LNXTHERM" | 
|  | #define ACPI_BUTTON_HID_POWERF		"LNXPWRBN" | 
|  | #define ACPI_BUTTON_HID_SLEEPF		"LNXSLPBN" | 
|  | #define ACPI_VIDEO_HID			"LNXVIDEO" | 
|  | #define ACPI_BAY_HID			"LNXIOBAY" | 
|  | #define ACPI_DOCK_HID			"LNXDOCK" | 
|  | #define ACPI_ECDT_HID			"LNXEC" | 
|  | /* Quirk for broken IBM BIOSes */ | 
|  | #define ACPI_SMBUS_IBM_HID		"SMBUSIBM" | 
|  |  | 
|  | /* | 
|  | * For fixed hardware buttons, we fabricate acpi_devices with HID | 
|  | * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware | 
|  | * signals only an event; it doesn't supply a notification value. | 
|  | * To allow drivers to treat notifications from fixed hardware the | 
|  | * same as those from real devices, we turn the events into this | 
|  | * notification value. | 
|  | */ | 
|  | #define ACPI_FIXED_HARDWARE_EVENT	0x100 | 
|  |  | 
|  | /* -------------------------------------------------------------------------- | 
|  | PCI | 
|  | -------------------------------------------------------------------------- */ | 
|  |  | 
|  |  | 
|  | /* ACPI PCI Interrupt Link */ | 
|  |  | 
|  | int acpi_irq_penalty_init(void); | 
|  | int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, | 
|  | int *polarity, char **name); | 
|  | int acpi_pci_link_free_irq(acpi_handle handle); | 
|  |  | 
|  | /* ACPI PCI Device Binding */ | 
|  |  | 
|  | struct pci_bus; | 
|  |  | 
|  | #ifdef CONFIG_PCI | 
|  | struct pci_dev *acpi_get_pci_dev(acpi_handle); | 
|  | #else | 
|  | static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle) | 
|  | { | 
|  | return NULL; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /* Arch-defined function to add a bus to the system */ | 
|  |  | 
|  | struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); | 
|  |  | 
|  | #ifdef CONFIG_X86 | 
|  | void pci_acpi_crs_quirks(void); | 
|  | #else | 
|  | static inline void pci_acpi_crs_quirks(void) { } | 
|  | #endif | 
|  |  | 
|  | /*-------------------------------------------------------------------------- | 
|  | Dock Station | 
|  | -------------------------------------------------------------------------- */ | 
|  |  | 
|  | #ifdef CONFIG_ACPI_DOCK | 
|  | extern int is_dock_device(struct acpi_device *adev); | 
|  | #else | 
|  | static inline int is_dock_device(struct acpi_device *adev) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  | #endif /* CONFIG_ACPI_DOCK */ | 
|  |  | 
|  | #endif /*__ACPI_DRIVERS_H__*/ |