include/acpi/acpi_drivers.h

   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
  81 static 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
  94 static 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
 112 static 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__*/