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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 /* _HID definitions */
  38
  39 #define ACPI_POWER_HID                  "power_resource"
  40 #define ACPI_PROCESSOR_HID              "ACPI0007"
  41 #define ACPI_SYSTEM_HID                 "acpi_system"
  42 #define ACPI_THERMAL_HID                "thermal"
  43 #define ACPI_BUTTON_HID_POWERF          "button_power"
  44 #define ACPI_BUTTON_HID_SLEEPF          "button_sleep"
  45 #define ACPI_VIDEO_HID                  "video"
  46 #define ACPI_BAY_HID                    "bay"
  47 /* --------------------------------------------------------------------------
  48                                        PCI
  49    -------------------------------------------------------------------------- */
  50
  51 #define ACPI_PCI_COMPONENT              0x00400000
  52
  53 /* ACPI PCI Interrupt Link (pci_link.c) */
  54
  55 int acpi_irq_penalty_init(void);
  56 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
  57                                int *polarity, char **name);
  58 int acpi_pci_link_free_irq(acpi_handle handle);
  59
  60 /* ACPI PCI Interrupt Routing (pci_irq.c) */
  61
  62 int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus);
  63 void acpi_pci_irq_del_prt(int segment, int bus);
  64
  65 /* ACPI PCI Device Binding (pci_bind.c) */
  66
  67 struct pci_bus;
  68
  69 acpi_status acpi_get_pci_id(acpi_handle handle, struct acpi_pci_id *id);
  70 int acpi_pci_bind(struct acpi_device *device);
  71 int acpi_pci_unbind(struct acpi_device *device);
  72 int acpi_pci_bind_root(struct acpi_device *device, struct acpi_pci_id *id,
  73                        struct pci_bus *bus);
  74
  75 /* Arch-defined function to add a bus to the system */
  76
  77 struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain,
  78                                    int bus);
  79
  80 /* --------------------------------------------------------------------------
  81                                   Power Resource
  82    -------------------------------------------------------------------------- */
  83
  84 #ifdef CONFIG_ACPI_POWER
  85 int acpi_enable_wakeup_device_power(struct acpi_device *dev);
  86 int acpi_disable_wakeup_device_power(struct acpi_device *dev);
  87 int acpi_power_get_inferred_state(struct acpi_device *device);
  88 int acpi_power_transition(struct acpi_device *device, int state);
  89 #endif
  90
  91 /* --------------------------------------------------------------------------
  92                                   Embedded Controller
  93    -------------------------------------------------------------------------- */
  94 #ifdef CONFIG_ACPI_EC
  95 int acpi_ec_ecdt_probe(void);
  96 #endif
  97
  98 /* --------------------------------------------------------------------------
  99                                     Processor
 100    -------------------------------------------------------------------------- */
 101
 102 #define ACPI_PROCESSOR_LIMIT_NONE       0x00
 103 #define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
 104 #define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02
 105
 106 int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
 107
 108 /*--------------------------------------------------------------------------
 109                                   Dock Station
 110   -------------------------------------------------------------------------- */
 111 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
 112 extern int is_dock_device(acpi_handle handle);
 113 extern int register_dock_notifier(struct notifier_block *nb);
 114 extern void unregister_dock_notifier(struct notifier_block *nb);
 115 extern int register_hotplug_dock_device(acpi_handle handle,
 116                                         acpi_notify_handler handler,
 117                                         void *context);
 118 extern void unregister_hotplug_dock_device(acpi_handle handle);
 119 #else
 120 static inline int is_dock_device(acpi_handle handle)
 121 {
 122         return 0;
 123 }
 124 static inline int register_dock_notifier(struct notifier_block *nb)
 125 {
 126         return -ENODEV;
 127 }
 128 static inline void unregister_dock_notifier(struct notifier_block *nb)
 129 {
 130 }
 131 static inline int register_hotplug_dock_device(acpi_handle handle,
 132                                                acpi_notify_handler handler,
 133                                                void *context)
 134 {
 135         return -ENODEV;
 136 }
 137 static inline void unregister_hotplug_dock_device(acpi_handle handle)
 138 {
 139 }
 140 #endif
 141
 142 /*--------------------------------------------------------------------------
 143                                   Suspend/Resume
 144   -------------------------------------------------------------------------- */
 145 #ifdef CONFIG_ACPI_SLEEP
 146 extern int acpi_sleep_init(void);
 147 #else
 148 #define acpi_sleep_init() do {} while (0)
 149 #endif
 150
 151 #endif /*__ACPI_DRIVERS_H__*/