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
  33 #define ACPI_MAX_STRING                 80
  34
  35 #define ACPI_BUS_COMPONENT              0x00010000
  36 #define ACPI_SYSTEM_COMPONENT           0x02000000
  37
  38 /* _HID definitions */
  39
  40 #define ACPI_POWER_HID                  "ACPI_PWR"
  41 #define ACPI_PROCESSOR_HID              "ACPI_CPU"
  42 #define ACPI_SYSTEM_HID                 "ACPI_SYS"
  43 #define ACPI_THERMAL_HID                "ACPI_THM"
  44 #define ACPI_BUTTON_HID_POWERF          "ACPI_FPB"
  45 #define ACPI_BUTTON_HID_SLEEPF          "ACPI_FSB"
  46
  47
  48 /* --------------------------------------------------------------------------
  49                                        PCI
  50    -------------------------------------------------------------------------- */
  51
  52 #ifdef CONFIG_ACPI_PCI
  53
  54 #define ACPI_PCI_COMPONENT              0x00400000
  55
  56 /* ACPI PCI Interrupt Link (pci_link.c) */
  57
  58 int acpi_pci_link_check (void);
  59 int acpi_pci_link_get_irq (acpi_handle handle, int index, int* edge_level, int* active_high_low);
  60
  61 /* ACPI PCI Interrupt Routing (pci_irq.c) */
  62
  63 int acpi_pci_irq_add_prt (acpi_handle handle, int segment, int bus);
  64
  65 /* ACPI PCI Device Binding (pci_bind.c) */
  66
  67 struct pci_bus;
  68
  69 int acpi_pci_bind (struct acpi_device *device);
  70 int acpi_pci_bind_root (struct acpi_device *device, struct acpi_pci_id *id, struct pci_bus *bus);
  71
  72 /* Arch-defined function to add a bus to the system */
  73
  74 struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain, int bus);
  75
  76 #endif /*CONFIG_ACPI_PCI*/
  77
  78
  79 /* --------------------------------------------------------------------------
  80                                   Power Resource
  81    -------------------------------------------------------------------------- */
  82
  83 #ifdef CONFIG_ACPI_POWER
  84
  85 int acpi_power_get_inferred_state (struct acpi_device *device);
  86 int acpi_power_transition (struct acpi_device *device, int state);
  87 #endif
  88
  89
  90 /* --------------------------------------------------------------------------
  91                                   Embedded Controller
  92    -------------------------------------------------------------------------- */
  93 #ifdef CONFIG_ACPI_EC
  94 int acpi_ec_ecdt_probe (void);
  95 #endif
  96
  97 /* --------------------------------------------------------------------------
  98                                     Processor
  99    -------------------------------------------------------------------------- */
 100
 101 #define ACPI_PROCESSOR_LIMIT_NONE       0x00
 102 #define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
 103 #define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02
 104
 105 int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
 106
 107
 108 /* --------------------------------------------------------------------------
 109                                 Debug Support
 110    -------------------------------------------------------------------------- */
 111
 112 #define ACPI_DEBUG_RESTORE      0
 113 #define ACPI_DEBUG_LOW          1
 114 #define ACPI_DEBUG_MEDIUM       2
 115 #define ACPI_DEBUG_HIGH         3
 116 #define ACPI_DEBUG_DRIVERS      4
 117
 118 extern u32 acpi_dbg_level;
 119 extern u32 acpi_dbg_layer;
 120
 121 static inline void
 122 acpi_set_debug (
 123         u32                     flag)
 124 {
 125         static u32              layer_save;
 126         static u32              level_save;
 127
 128         switch (flag) {
 129         case ACPI_DEBUG_RESTORE:
 130                 acpi_dbg_layer = layer_save;
 131                 acpi_dbg_level = level_save;
 132                 break;
 133         case ACPI_DEBUG_LOW:
 134         case ACPI_DEBUG_MEDIUM:
 135         case ACPI_DEBUG_HIGH:
 136         case ACPI_DEBUG_DRIVERS:
 137                 layer_save = acpi_dbg_layer;
 138                 level_save = acpi_dbg_level;
 139                 break;
 140         }
 141
 142         switch (flag) {
 143         case ACPI_DEBUG_LOW:
 144                 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS;
 145                 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
 146                 break;
 147         case ACPI_DEBUG_MEDIUM:
 148                 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS;
 149                 acpi_dbg_level = ACPI_LV_FUNCTIONS | ACPI_LV_ALL_EXCEPTIONS;
 150                 break;
 151         case ACPI_DEBUG_HIGH:
 152                 acpi_dbg_layer = 0xFFFFFFFF;
 153                 acpi_dbg_level = 0xFFFFFFFF;
 154                 break;
 155         case ACPI_DEBUG_DRIVERS:
 156                 acpi_dbg_layer = ACPI_ALL_DRIVERS;
 157                 acpi_dbg_level = 0xFFFFFFFF;
 158                 break;
 159         }
 160 }
 161
 162
 163 #endif /*__ACPI_DRIVERS_H__*/