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 #define ACPI_BUS_COMPONENT              0x00010000
  35 #define ACPI_SYSTEM_COMPONENT           0x02000000
  36
  37 /*
  38  * _HID definitions
  39  * HIDs must conform to ACPI spec(6.1.4)
  40  * Linux specific HIDs do not apply to this and begin with LNX:
  41  */
  42
  43 #define ACPI_POWER_HID                  "LNXPOWER"
  44 #define ACPI_PROCESSOR_HID              "ACPI0007"
  45 #define ACPI_SYSTEM_HID                 "LNXSYSTM"
  46 #define ACPI_THERMAL_HID                "LNXTHERM"
  47 #define ACPI_BUTTON_HID_POWERF          "LNXPWRBN"
  48 #define ACPI_BUTTON_HID_SLEEPF          "LNXSLPBN"
  49 #define ACPI_VIDEO_HID                  "LNXVIDEO"
  50 #define ACPI_BAY_HID                    "LNXIOBAY"
  51
  52 /* --------------------------------------------------------------------------
  53                                        PCI
  54    -------------------------------------------------------------------------- */
  55
  56 #define ACPI_PCI_COMPONENT              0x00400000
  57
  58 /* ACPI PCI Interrupt Link (pci_link.c) */
  59
  60 int acpi_irq_penalty_init(void);
  61 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
  62                                int *polarity, char **name);
  63 int acpi_pci_link_free_irq(acpi_handle handle);
  64
  65 /* ACPI PCI Interrupt Routing (pci_irq.c) */
  66
  67 int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus);
  68 void acpi_pci_irq_del_prt(int segment, int bus);
  69
  70 /* ACPI PCI Device Binding (pci_bind.c) */
  71
  72 struct pci_bus;
  73
  74 acpi_status acpi_get_pci_id(acpi_handle handle, struct acpi_pci_id *id);
  75 int acpi_pci_bind(struct acpi_device *device);
  76 int acpi_pci_bind_root(struct acpi_device *device, struct acpi_pci_id *id,
  77                        struct pci_bus *bus);
  78
  79 /* Arch-defined function to add a bus to the system */
  80
  81 struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain,
  82                                    int bus);
  83
  84 /* --------------------------------------------------------------------------
  85                                   Power Resource
  86    -------------------------------------------------------------------------- */
  87
  88 #ifdef CONFIG_ACPI_POWER
  89 int acpi_enable_wakeup_device_power(struct acpi_device *dev);
  90 int acpi_disable_wakeup_device_power(struct acpi_device *dev);
  91 int acpi_power_get_inferred_state(struct acpi_device *device);
  92 int acpi_power_transition(struct acpi_device *device, int state);
  93 #endif
  94
  95 /* --------------------------------------------------------------------------
  96                                   Embedded Controller
  97    -------------------------------------------------------------------------- */
  98 #ifdef CONFIG_ACPI_EC
  99 int acpi_ec_ecdt_probe(void);
 100 #endif
 101
 102 /* --------------------------------------------------------------------------
 103                                     Processor
 104    -------------------------------------------------------------------------- */
 105
 106 #define ACPI_PROCESSOR_LIMIT_NONE       0x00
 107 #define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
 108 #define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02
 109
 110 int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
 111
 112 /*--------------------------------------------------------------------------
 113                                   Dock Station
 114   -------------------------------------------------------------------------- */
 115 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
 116 extern int is_dock_device(acpi_handle handle);
 117 extern int register_dock_notifier(struct notifier_block *nb);
 118 extern void unregister_dock_notifier(struct notifier_block *nb);
 119 extern int register_hotplug_dock_device(acpi_handle handle,
 120                                         acpi_notify_handler handler,
 121                                         void *context);
 122 extern void unregister_hotplug_dock_device(acpi_handle handle);
 123 #else
 124 static inline int is_dock_device(acpi_handle handle)
 125 {
 126         return 0;
 127 }
 128 static inline int register_dock_notifier(struct notifier_block *nb)
 129 {
 130         return -ENODEV;
 131 }
 132 static inline void unregister_dock_notifier(struct notifier_block *nb)
 133 {
 134 }
 135 static inline int register_hotplug_dock_device(acpi_handle handle,
 136                                                acpi_notify_handler handler,
 137                                                void *context)
 138 {
 139         return -ENODEV;
 140 }
 141 static inline void unregister_hotplug_dock_device(acpi_handle handle)
 142 {
 143 }
 144 #endif
 145
 146 /*--------------------------------------------------------------------------
 147                                   Suspend/Resume
 148   -------------------------------------------------------------------------- */
 149 extern int acpi_sleep_init(void);
 150
 151 #endif /*__ACPI_DRIVERS_H__*/