LXR linux/include/acpi/acpi

   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
  86int acpi_irq_penalty_init(void);
  87int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
  88                               int *polarity, char **name);
  89int acpi_pci_link_free_irq(acpi_handle handle);
  90
  91/* ACPI PCI Interrupt Routing (pci_irq.c) */
  92
  93int acpi_pci_irq_add_prt(acpi_handle handle, struct pci_bus *bus);
  94void acpi_pci_irq_del_prt(struct pci_bus *bus);
  95
  96/* ACPI PCI Device Binding (pci_bind.c) */
  97
  98struct pci_bus;
  99
 100struct pci_dev *acpi_get_pci_dev(acpi_handle);
 101int acpi_pci_bind_root(struct acpi_device *device);
 102
 103/* Arch-defined function to add a bus to the system */
 104
 105struct 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
 116int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
 117
 118/*--------------------------------------------------------------------------
 119                                  Dock Station
 120  -------------------------------------------------------------------------- */
 121struct 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)
 127extern int is_dock_device(acpi_handle handle);
 128extern int register_dock_notifier(struct notifier_block *nb);
 129extern void unregister_dock_notifier(struct notifier_block *nb);
 130extern int register_hotplug_dock_device(acpi_handle handle,
 131                                        struct acpi_dock_ops *ops,
 132                                        void *context);
 133extern void unregister_hotplug_dock_device(acpi_handle handle);
 134#else
 135static inline int is_dock_device(acpi_handle handle)
 136{
 137        return 0;
 138}
 139static inline int register_dock_notifier(struct notifier_block *nb)
 140{
 141        return -ENODEV;
 142}
 143static inline void unregister_dock_notifier(struct notifier_block *nb)
 144{
 145}
 146static inline int register_hotplug_dock_device(acpi_handle handle,
 147                                               struct acpi_dock_ops *ops,
 148                                               void *context)
 149{
 150        return -ENODEV;
 151}
 152static inline void unregister_hotplug_dock_device(acpi_handle handle)
 153{
 154}
 155#endif
 156
 157#endif /*__ACPI_DRIVERS_H__*/
 158