LXR linux/include/acpi/acpi

   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/acpi/debug.txt
  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
  69int acpi_irq_penalty_init(void);
  70int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
  71                               int *polarity, char **name);
  72int acpi_pci_link_free_irq(acpi_handle handle);
  73
  74/* ACPI PCI Device Binding (pci_bind.c) */
  75
  76struct pci_bus;
  77
  78#ifdef CONFIG_PCI
  79struct pci_dev *acpi_get_pci_dev(acpi_handle);
  80#else
  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
  89struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
  90
  91#ifdef CONFIG_X86
  92void pci_acpi_crs_quirks(void);
  93#else
  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
 110extern int is_dock_device(struct acpi_device *adev);
 111#else
 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