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_BUS_COMPONENT 0x00010000 19 #define ACPI_AC_COMPONENT 0x00020000 20 #define ACPI_BATTERY_COMPONENT 0x00040000 21 #define ACPI_BUTTON_COMPONENT 0x00080000 22 #define ACPI_SBS_COMPONENT 0x00100000 23 #define ACPI_FAN_COMPONENT 0x00200000 24 #define ACPI_PCI_COMPONENT 0x00400000 25 #define ACPI_POWER_COMPONENT 0x00800000 26 #define ACPI_CONTAINER_COMPONENT 0x01000000 27 #define ACPI_SYSTEM_COMPONENT 0x02000000 28 #define ACPI_THERMAL_COMPONENT 0x04000000 29 #define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000 30 #define ACPI_VIDEO_COMPONENT 0x10000000 31 #define ACPI_PROCESSOR_COMPONENT 0x20000000 32 33 /* 34 * _HID definitions 35 * HIDs must conform to ACPI spec(6.1.4) 36 * Linux specific HIDs do not apply to this and begin with LNX: 37 */ 38 39 #define ACPI_POWER_HID "LNXPOWER" 40 #define ACPI_PROCESSOR_OBJECT_HID "LNXCPU" 41 #define ACPI_SYSTEM_HID "LNXSYSTM" 42 #define ACPI_THERMAL_HID "LNXTHERM" 43 #define ACPI_BUTTON_HID_POWERF "LNXPWRBN" 44 #define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN" 45 #define ACPI_VIDEO_HID "LNXVIDEO" 46 #define ACPI_BAY_HID "LNXIOBAY" 47 #define ACPI_DOCK_HID "LNXDOCK" 48 #define ACPI_ECDT_HID "LNXEC" 49 /* Quirk for broken IBM BIOSes */ 50 #define ACPI_SMBUS_IBM_HID "SMBUSIBM" 51 52 /* 53 * For fixed hardware buttons, we fabricate acpi_devices with HID 54 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware 55 * signals only an event; it doesn't supply a notification value. 56 * To allow drivers to treat notifications from fixed hardware the 57 * same as those from real devices, we turn the events into this 58 * notification value. 59 */ 60 #define ACPI_FIXED_HARDWARE_EVENT 0x100 61 62 /* -------------------------------------------------------------------------- 63 PCI 64 -------------------------------------------------------------------------- */ 65 66 67 /* ACPI PCI Interrupt Link (pci_link.c) */ 68 69 int acpi_irq_penalty_init(void); 70 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, 71 int *polarity, char **name); 72 int acpi_pci_link_free_irq(acpi_handle handle); 73 74 /* ACPI PCI Device Binding (pci_bind.c) */ 75 76 struct pci_bus; 77 78 #ifdef CONFIG_PCI 79 struct pci_dev *acpi_get_pci_dev(acpi_handle); 80 #else acpi_get_pci_dev(acpi_handle handle)81static inline struct pci_dev *acpi_get_pci_dev(acpi_handle handle) 82 { 83 return NULL; 84 } 85 #endif 86 87 /* Arch-defined function to add a bus to the system */ 88 89 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); 90 91 #ifdef CONFIG_X86 92 void pci_acpi_crs_quirks(void); 93 #else pci_acpi_crs_quirks(void)94static inline void pci_acpi_crs_quirks(void) { } 95 #endif 96 97 /* -------------------------------------------------------------------------- 98 Processor 99 -------------------------------------------------------------------------- */ 100 101 #define ACPI_PROCESSOR_LIMIT_NONE 0x00 102 #define ACPI_PROCESSOR_LIMIT_INCREMENT 0x01 103 #define ACPI_PROCESSOR_LIMIT_DECREMENT 0x02 104 105 /*-------------------------------------------------------------------------- 106 Dock Station 107 -------------------------------------------------------------------------- */ 108 109 #ifdef CONFIG_ACPI_DOCK 110 extern int is_dock_device(struct acpi_device *adev); 111 #else is_dock_device(struct acpi_device * adev)112static inline int is_dock_device(struct acpi_device *adev) 113 { 114 return 0; 115 } 116 #endif /* CONFIG_ACPI_DOCK */ 117 118 #endif /*__ACPI_DRIVERS_H__*/ 119