include/acpi/acpi_drivers.h

   1 /*
   2  *  acpi_drivers.h  ($Revision: 31 $)
   3  *
   4  *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
   5  *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
   6  *
   7  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or (at
  12  *  your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful, but
  15  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  *  General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License along
  20  *  with this program; if not, write to the Free Software Foundation, Inc.,
  21  *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  22  *
  23  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  24  */
  25
  26 #ifndef __ACPI_DRIVERS_H__
  27 #define __ACPI_DRIVERS_H__
  28
  29 #include <linux/acpi.h>
  30 #include <acpi/acpi_bus.h>
  31
  32 #define ACPI_MAX_STRING                 80
  33
  34 /*
  35  * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt
  36  * if you add to this list.
  37  */
  38 #define ACPI_BUS_COMPONENT              0x00010000
  39 #define ACPI_AC_COMPONENT               0x00020000
  40 #define ACPI_BATTERY_COMPONENT          0x00040000
  41 #define ACPI_BUTTON_COMPONENT           0x00080000
  42 #define ACPI_SBS_COMPONENT              0x00100000
  43 #define ACPI_FAN_COMPONENT              0x00200000
  44 #define ACPI_PCI_COMPONENT              0x00400000
  45 #define ACPI_POWER_COMPONENT            0x00800000
  46 #define ACPI_CONTAINER_COMPONENT        0x01000000
  47 #define ACPI_SYSTEM_COMPONENT           0x02000000
  48 #define ACPI_THERMAL_COMPONENT          0x04000000
  49 #define ACPI_MEMORY_DEVICE_COMPONENT    0x08000000
  50 #define ACPI_VIDEO_COMPONENT            0x10000000
  51 #define ACPI_PROCESSOR_COMPONENT        0x20000000
  52
  53 /*
  54  * _HID definitions
  55  * HIDs must conform to ACPI spec(6.1.4)
  56  * Linux specific HIDs do not apply to this and begin with LNX:
  57  */
  58
  59 #define ACPI_POWER_HID                  "LNXPOWER"
  60 #define ACPI_PROCESSOR_OBJECT_HID       "LNXCPU"
  61 #define ACPI_SYSTEM_HID                 "LNXSYSTM"
  62 #define ACPI_THERMAL_HID                "LNXTHERM"
  63 #define ACPI_BUTTON_HID_POWERF          "LNXPWRBN"
  64 #define ACPI_BUTTON_HID_SLEEPF          "LNXSLPBN"
  65 #define ACPI_VIDEO_HID                  "LNXVIDEO"
  66 #define ACPI_BAY_HID                    "LNXIOBAY"
  67 #define ACPI_DOCK_HID                   "LNXDOCK"
  68
  69 /*
  70  * For fixed hardware buttons, we fabricate acpi_devices with HID
  71  * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware
  72  * signals only an event; it doesn't supply a notification value.
  73  * To allow drivers to treat notifications from fixed hardware the
  74  * same as those from real devices, we turn the events into this
  75  * notification value.
  76  */
  77 #define ACPI_FIXED_HARDWARE_EVENT       0x100
  78
  79 /* --------------------------------------------------------------------------
  80                                        PCI
  81    -------------------------------------------------------------------------- */
  82
  83
  84 /* ACPI PCI Interrupt Link (pci_link.c) */
  85
  86 int acpi_irq_penalty_init(void);
  87 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
  88                                int *polarity, char **name);
  89 int acpi_pci_link_free_irq(acpi_handle handle);
  90
  91 /* ACPI PCI Interrupt Routing (pci_irq.c) */
  92
  93 int acpi_pci_irq_add_prt(acpi_handle handle, struct pci_bus *bus);
  94 void acpi_pci_irq_del_prt(struct pci_bus *bus);
  95
  96 /* ACPI PCI Device Binding (pci_bind.c) */
  97
  98 struct pci_bus;
  99
 100 struct pci_dev *acpi_get_pci_dev(acpi_handle);
 101 int acpi_pci_bind_root(struct acpi_device *device);
 102
 103 /* Arch-defined function to add a bus to the system */
 104
 105 struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain,
 106                                    int bus);
 107
 108 /* --------------------------------------------------------------------------
 109                                     Processor
 110    -------------------------------------------------------------------------- */
 111
 112 #define ACPI_PROCESSOR_LIMIT_NONE       0x00
 113 #define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
 114 #define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02
 115
 116 int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
 117
 118 /*--------------------------------------------------------------------------
 119                                   Dock Station
 120   -------------------------------------------------------------------------- */
 121 struct acpi_dock_ops {
 122         acpi_notify_handler handler;
 123         acpi_notify_handler uevent;
 124 };
 125
 126 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
 127 extern int is_dock_device(acpi_handle handle);
 128 extern int register_dock_notifier(struct notifier_block *nb);
 129 extern void unregister_dock_notifier(struct notifier_block *nb);
 130 extern int register_hotplug_dock_device(acpi_handle handle,
 131                                         struct acpi_dock_ops *ops,
 132                                         void *context);
 133 extern void unregister_hotplug_dock_device(acpi_handle handle);
 134 #else
 135 static inline int is_dock_device(acpi_handle handle)
 136 {
 137         return 0;
 138 }
 139 static inline int register_dock_notifier(struct notifier_block *nb)
 140 {
 141         return -ENODEV;
 142 }
 143 static inline void unregister_dock_notifier(struct notifier_block *nb)
 144 {
 145 }
 146 static inline int register_hotplug_dock_device(acpi_handle handle,
 147                                                struct acpi_dock_ops *ops,
 148                                                void *context)
 149 {
 150         return -ENODEV;
 151 }
 152 static inline void unregister_hotplug_dock_device(acpi_handle handle)
 153 {
 154 }
 155 #endif
 156
 157 #endif /*__ACPI_DRIVERS_H__*/