1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * acpi_drivers.h ($Revision: 31 $) 4 * 5 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> 6 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 7 */ 8 9 #ifndef __ACPI_DRIVERS_H__ 10 #define __ACPI_DRIVERS_H__ 11 12 #define ACPI_MAX_STRING 80 13 14 /* 15 * _HID definitions 16 * HIDs must conform to ACPI spec(6.1.4) 17 * Linux specific HIDs do not apply to this and begin with LNX: 18 */ 19 20 #define ACPI_POWER_HID "LNXPOWER" 21 #define ACPI_PROCESSOR_OBJECT_HID "LNXCPU" 22 #define ACPI_SYSTEM_HID "LNXSYSTM" 23 #define ACPI_THERMAL_HID "LNXTHERM" 24 #define ACPI_BUTTON_HID_POWERF "LNXPWRBN" 25 #define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN" 26 #define ACPI_VIDEO_HID "LNXVIDEO" 27 #define ACPI_BAY_HID "LNXIOBAY" 28 #define ACPI_DOCK_HID "LNXDOCK" 29 #define ACPI_ECDT_HID "LNXEC" 30 /* Quirk for broken IBM BIOSes */ 31 #define ACPI_SMBUS_IBM_HID "SMBUSIBM" 32 33 /* 34 * For fixed hardware buttons, we fabricate acpi_devices with HID 35 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware 36 * signals only an event; it doesn't supply a notification value. 37 * To allow drivers to treat notifications from fixed hardware the 38 * same as those from real devices, we turn the events into this 39 * notification value. 40 */ 41 #define ACPI_FIXED_HARDWARE_EVENT 0x100 42 43 /* -------------------------------------------------------------------------- 44 PCI 45 -------------------------------------------------------------------------- */ 46 47 48 /* ACPI PCI Interrupt Link */ 49 50 int acpi_irq_penalty_init(void); 51 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, 52 int *polarity, char **name); 53 int acpi_pci_link_free_irq(acpi_handle handle); 54 55 /* ACPI PCI Device Binding */ 56 57 struct pci_bus; 58 59 #ifdef CONFIG_PCI 60 struct pci_dev *acpi_get_pci_dev(acpi_handle); 61 #else 62 static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle) 63 { 64 return NULL; 65 } 66 #endif 67 68 /* Arch-defined function to add a bus to the system */ 69 70 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); 71 72 #ifdef CONFIG_X86 73 void pci_acpi_crs_quirks(void); 74 #else 75 static inline void pci_acpi_crs_quirks(void) { } 76 #endif 77 78 /*-------------------------------------------------------------------------- 79 Dock Station 80 -------------------------------------------------------------------------- */ 81 82 #ifdef CONFIG_ACPI_DOCK 83 extern int is_dock_device(struct acpi_device *adev); 84 #else 85 static inline int is_dock_device(struct acpi_device *adev) 86 { 87 return 0; 88 } 89 #endif /* CONFIG_ACPI_DOCK */ 90 91 #endif /*__ACPI_DRIVERS_H__*/ 92