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 88int acpi_irq_penalty_init(void); 89int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, 90 int *polarity, char **name); 91int acpi_pci_link_free_irq(acpi_handle handle); 92 93/* ACPI PCI Interrupt Routing (pci_irq.c) */ 94 95int acpi_pci_irq_add_prt(acpi_handle handle, struct pci_bus *bus); 96void acpi_pci_irq_del_prt(struct pci_bus *bus); 97 98/* ACPI PCI Device Binding (pci_bind.c) */ 99 100struct pci_bus; 101 102struct pci_dev *acpi_get_pci_dev(acpi_handle); 103int acpi_pci_bind_root(struct acpi_device *device); 104 105/* Arch-defined function to add a bus to the system */ 106 107struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); 108void pci_acpi_crs_quirks(void); 109 110/* -------------------------------------------------------------------------- 111 Processor 112 -------------------------------------------------------------------------- */ 113 114#define ACPI_PROCESSOR_LIMIT_NONE 0x00 115#define ACPI_PROCESSOR_LIMIT_INCREMENT 0x01 116#define ACPI_PROCESSOR_LIMIT_DECREMENT 0x02 117 118int acpi_processor_set_thermal_limit(acpi_handle handle, int type); 119 120/*-------------------------------------------------------------------------- 121 Dock Station 122 -------------------------------------------------------------------------- */ 123struct acpi_dock_ops { 124 acpi_notify_handler handler; 125 acpi_notify_handler uevent; 126}; 127 128#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE) 129extern int is_dock_device(acpi_handle handle); 130extern int register_dock_notifier(struct notifier_block *nb); 131extern void unregister_dock_notifier(struct notifier_block *nb); 132extern int register_hotplug_dock_device(acpi_handle handle, 133 struct acpi_dock_ops *ops, 134 void *context); 135extern void unregister_hotplug_dock_device(acpi_handle handle); 136#else 137static inline int is_dock_device(acpi_handle handle) 138{ 139 return 0; 140} 141static inline int register_dock_notifier(struct notifier_block *nb) 142{ 143 return -ENODEV; 144} 145static inline void unregister_dock_notifier(struct notifier_block *nb) 146{ 147} 148static inline int register_hotplug_dock_device(acpi_handle handle, 149 struct acpi_dock_ops *ops, 150 void *context) 151{ 152 return -ENODEV; 153} 154static inline void unregister_hotplug_dock_device(acpi_handle handle) 155{ 156} 157#endif 158 159#endif /*__ACPI_DRIVERS_H__*/ 160