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