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 * Please update drivers/acpi/debug.c and Documentation/firmware-guide/acpi/debug.rst 16 * if you add to this list. 17 */ 18 #define ACPI_SBS_COMPONENT 0x00100000 19 #define ACPI_FAN_COMPONENT 0x00200000 20 #define ACPI_PCI_COMPONENT 0x00400000 21 #define ACPI_CONTAINER_COMPONENT 0x01000000 22 #define ACPI_SYSTEM_COMPONENT 0x02000000 23 #define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000 24 #define ACPI_PROCESSOR_COMPONENT 0x20000000 25 26 /* 27 * _HID definitions 28 * HIDs must conform to ACPI spec(6.1.4) 29 * Linux specific HIDs do not apply to this and begin with LNX: 30 */ 31 32 #define ACPI_POWER_HID "LNXPOWER" 33 #define ACPI_PROCESSOR_OBJECT_HID "LNXCPU" 34 #define ACPI_SYSTEM_HID "LNXSYSTM" 35 #define ACPI_THERMAL_HID "LNXTHERM" 36 #define ACPI_BUTTON_HID_POWERF "LNXPWRBN" 37 #define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN" 38 #define ACPI_VIDEO_HID "LNXVIDEO" 39 #define ACPI_BAY_HID "LNXIOBAY" 40 #define ACPI_DOCK_HID "LNXDOCK" 41 #define ACPI_ECDT_HID "LNXEC" 42 /* Quirk for broken IBM BIOSes */ 43 #define ACPI_SMBUS_IBM_HID "SMBUSIBM" 44 45 /* 46 * For fixed hardware buttons, we fabricate acpi_devices with HID 47 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware 48 * signals only an event; it doesn't supply a notification value. 49 * To allow drivers to treat notifications from fixed hardware the 50 * same as those from real devices, we turn the events into this 51 * notification value. 52 */ 53 #define ACPI_FIXED_HARDWARE_EVENT 0x100 54 55 /* -------------------------------------------------------------------------- 56 PCI 57 -------------------------------------------------------------------------- */ 58 59 60 /* ACPI PCI Interrupt Link */ 61 62 int acpi_irq_penalty_init(void); 63 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, 64 int *polarity, char **name); 65 int acpi_pci_link_free_irq(acpi_handle handle); 66 67 /* ACPI PCI Device Binding */ 68 69 struct pci_bus; 70 71 #ifdef CONFIG_PCI 72 struct pci_dev *acpi_get_pci_dev(acpi_handle); 73 #else 74 static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle) 75 { 76 return NULL; 77 } 78 #endif 79 80 /* Arch-defined function to add a bus to the system */ 81 82 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); 83 84 #ifdef CONFIG_X86 85 void pci_acpi_crs_quirks(void); 86 #else 87 static inline void pci_acpi_crs_quirks(void) { } 88 #endif 89 90 /*-------------------------------------------------------------------------- 91 Dock Station 92 -------------------------------------------------------------------------- */ 93 94 #ifdef CONFIG_ACPI_DOCK 95 extern int is_dock_device(struct acpi_device *adev); 96 #else 97 static inline int is_dock_device(struct acpi_device *adev) 98 { 99 return 0; 100 } 101 #endif /* CONFIG_ACPI_DOCK */ 102 103 #endif /*__ACPI_DRIVERS_H__*/ 104