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 /* SMBUS HID definition as supported by Microsoft Windows */ 31 #define ACPI_SMBUS_MS_HID "SMB0001" 32 /* Quirk for broken IBM BIOSes */ 33 #define ACPI_SMBUS_IBM_HID "SMBUSIBM" 34 35 /* 36 * For fixed hardware buttons, we fabricate acpi_devices with HID 37 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware 38 * signals only an event; it doesn't supply a notification value. 39 * To allow drivers to treat notifications from fixed hardware the 40 * same as those from real devices, we turn the events into this 41 * notification value. 42 */ 43 #define ACPI_FIXED_HARDWARE_EVENT 0x100 44 45 /* -------------------------------------------------------------------------- 46 PCI 47 -------------------------------------------------------------------------- */ 48 49 50 /* ACPI PCI Interrupt Link */ 51 52 int acpi_irq_penalty_init(void); 53 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, 54 int *polarity, char **name); 55 int acpi_pci_link_free_irq(acpi_handle handle); 56 57 /* ACPI PCI Device Binding */ 58 59 struct pci_bus; 60 61 #ifdef CONFIG_PCI 62 struct pci_dev *acpi_get_pci_dev(acpi_handle); 63 #else acpi_get_pci_dev(acpi_handle handle)64static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle) 65 { 66 return NULL; 67 } 68 #endif 69 70 /* Arch-defined function to add a bus to the system */ 71 72 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); 73 74 #ifdef CONFIG_X86 75 void pci_acpi_crs_quirks(void); 76 #else pci_acpi_crs_quirks(void)77static inline void pci_acpi_crs_quirks(void) { } 78 #endif 79 80 /*-------------------------------------------------------------------------- 81 Dock Station 82 -------------------------------------------------------------------------- */ 83 84 #ifdef CONFIG_ACPI_DOCK 85 extern int is_dock_device(struct acpi_device *adev); 86 #else is_dock_device(struct acpi_device * adev)87static inline int is_dock_device(struct acpi_device *adev) 88 { 89 return 0; 90 } 91 #endif /* CONFIG_ACPI_DOCK */ 92 93 #endif /*__ACPI_DRIVERS_H__*/ 94