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