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   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_unbind(struct acpi_device *device);
  77 int acpi_pci_bind_root(struct acpi_device *device, struct acpi_pci_id *id,
  78                        struct pci_bus *bus);
  79
  80 /* Arch-defined function to add a bus to the system */
  81
  82 struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain,
  83                                    int bus);
  84
  85 /* --------------------------------------------------------------------------
  86                                   Power Resource
  87    -------------------------------------------------------------------------- */
  88
  89 #ifdef CONFIG_ACPI_POWER
  90 int acpi_enable_wakeup_device_power(struct acpi_device *dev);
  91 int acpi_disable_wakeup_device_power(struct acpi_device *dev);
  92 int acpi_power_get_inferred_state(struct acpi_device *device);
  93 int acpi_power_transition(struct acpi_device *device, int state);
  94 #endif
  95
  96 /* --------------------------------------------------------------------------
  97                                   Embedded Controller
  98    -------------------------------------------------------------------------- */
  99 #ifdef CONFIG_ACPI_EC
 100 int acpi_ec_ecdt_probe(void);
 101 #endif
 102
 103 /* --------------------------------------------------------------------------
 104                                     Processor
 105    -------------------------------------------------------------------------- */
 106
 107 #define ACPI_PROCESSOR_LIMIT_NONE       0x00
 108 #define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
 109 #define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02
 110
 111 int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
 112
 113 /*--------------------------------------------------------------------------
 114                                   Dock Station
 115   -------------------------------------------------------------------------- */
 116 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
 117 extern int is_dock_device(acpi_handle handle);
 118 extern int register_dock_notifier(struct notifier_block *nb);
 119 extern void unregister_dock_notifier(struct notifier_block *nb);
 120 extern int register_hotplug_dock_device(acpi_handle handle,
 121                                         acpi_notify_handler handler,
 122                                         void *context);
 123 extern void unregister_hotplug_dock_device(acpi_handle handle);
 124 #else
 125 static inline int is_dock_device(acpi_handle handle)
 126 {
 127         return 0;
 128 }
 129 static inline int register_dock_notifier(struct notifier_block *nb)
 130 {
 131         return -ENODEV;
 132 }
 133 static inline void unregister_dock_notifier(struct notifier_block *nb)
 134 {
 135 }
 136 static inline int register_hotplug_dock_device(acpi_handle handle,
 137                                                acpi_notify_handler handler,
 138                                                void *context)
 139 {
 140         return -ENODEV;
 141 }
 142 static inline void unregister_hotplug_dock_device(acpi_handle handle)
 143 {
 144 }
 145 #endif
 146
 147 /*--------------------------------------------------------------------------
 148                                   Suspend/Resume
 149   -------------------------------------------------------------------------- */
 150 #ifdef CONFIG_ACPI_SLEEP
 151 extern int acpi_sleep_init(void);
 152 #else
 153 static inline int acpi_sleep_init(void) { return 0; }
 154 #endif
 155
 156 #endif /*__ACPI_DRIVERS_H__*/