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 /* Quirk for broken IBM BIOSes */
  69 #define ACPI_SMBUS_IBM_HID              "SMBUSIBM"
  70
  71 /*
  72  * For fixed hardware buttons, we fabricate acpi_devices with HID
  73  * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware
  74  * signals only an event; it doesn't supply a notification value.
  75  * To allow drivers to treat notifications from fixed hardware the
  76  * same as those from real devices, we turn the events into this
  77  * notification value.
  78  */
  79 #define ACPI_FIXED_HARDWARE_EVENT       0x100
  80
  81 /* --------------------------------------------------------------------------
  82                                        PCI
  83    -------------------------------------------------------------------------- */
  84
  85
  86 /* ACPI PCI Interrupt Link (pci_link.c) */
  87
  88 int acpi_irq_penalty_init(void);
  89 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
  90                                int *polarity, char **name);
  91 int acpi_pci_link_free_irq(acpi_handle handle);
  92
  93 /* ACPI PCI Device Binding (pci_bind.c) */
  94
  95 struct pci_bus;
  96
  97 struct pci_dev *acpi_get_pci_dev(acpi_handle);
  98 int acpi_pci_bind_root(struct acpi_device *device);
  99
 100 /* Arch-defined function to add a bus to the system */
 101
 102 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
 103 void pci_acpi_crs_quirks(void);
 104
 105 /* --------------------------------------------------------------------------
 106                                     Processor
 107    -------------------------------------------------------------------------- */
 108
 109 #define ACPI_PROCESSOR_LIMIT_NONE       0x00
 110 #define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
 111 #define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02
 112
 113 /*--------------------------------------------------------------------------
 114                                   Dock Station
 115   -------------------------------------------------------------------------- */
 116 struct acpi_dock_ops {
 117         acpi_notify_handler handler;
 118         acpi_notify_handler uevent;
 119 };
 120
 121 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
 122 extern int is_dock_device(acpi_handle handle);
 123 extern int register_dock_notifier(struct notifier_block *nb);
 124 extern void unregister_dock_notifier(struct notifier_block *nb);
 125 extern int register_hotplug_dock_device(acpi_handle handle,
 126                                         const struct acpi_dock_ops *ops,
 127                                         void *context);
 128 extern void unregister_hotplug_dock_device(acpi_handle handle);
 129 #else
 130 static inline int is_dock_device(acpi_handle handle)
 131 {
 132         return 0;
 133 }
 134 static inline int register_dock_notifier(struct notifier_block *nb)
 135 {
 136         return -ENODEV;
 137 }
 138 static inline void unregister_dock_notifier(struct notifier_block *nb)
 139 {
 140 }
 141 static inline int register_hotplug_dock_device(acpi_handle handle,
 142                                                const struct acpi_dock_ops *ops,
 143                                                void *context)
 144 {
 145         return -ENODEV;
 146 }
 147 static inline void unregister_hotplug_dock_device(acpi_handle handle)
 148 {
 149 }
 150 #endif
 151
 152 #endif /*__ACPI_DRIVERS_H__*/