acpi_drivers.h

Go to the documentation of this file.

/*
 *  acpi_drivers.h  ($Revision: 31 $)
 *
 *  Copyright (C) 2001, 2002 Andy Grover <[email protected]>
 *  Copyright (C) 2001, 2002 Paul Diefenbaugh <[email protected]>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or (at
 *  your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#ifndef __ACPI_DRIVERS_H__
#define __ACPI_DRIVERS_H__

#include <linux/acpi.h>
#include <acpi/acpi_bus.h>

#define ACPI_MAX_STRING         80

/*
 * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt
 * if you add to this list.
 */
#define ACPI_BUS_COMPONENT      0x00010000
#define ACPI_AC_COMPONENT       0x00020000
#define ACPI_BATTERY_COMPONENT      0x00040000
#define ACPI_BUTTON_COMPONENT       0x00080000
#define ACPI_SBS_COMPONENT      0x00100000
#define ACPI_FAN_COMPONENT      0x00200000
#define ACPI_PCI_COMPONENT      0x00400000
#define ACPI_POWER_COMPONENT        0x00800000
#define ACPI_CONTAINER_COMPONENT    0x01000000
#define ACPI_SYSTEM_COMPONENT       0x02000000
#define ACPI_THERMAL_COMPONENT      0x04000000
#define ACPI_MEMORY_DEVICE_COMPONENT    0x08000000
#define ACPI_VIDEO_COMPONENT        0x10000000
#define ACPI_PROCESSOR_COMPONENT    0x20000000

/*
 * _HID definitions
 * HIDs must conform to ACPI spec(6.1.4)
 * Linux specific HIDs do not apply to this and begin with LNX:
 */

#define ACPI_POWER_HID          "LNXPOWER"
#define ACPI_PROCESSOR_OBJECT_HID   "LNXCPU"
#define ACPI_SYSTEM_HID         "LNXSYSTM"
#define ACPI_THERMAL_HID        "LNXTHERM"
#define ACPI_BUTTON_HID_POWERF      "LNXPWRBN"
#define ACPI_BUTTON_HID_SLEEPF      "LNXSLPBN"
#define ACPI_VIDEO_HID          "LNXVIDEO"
#define ACPI_BAY_HID            "LNXIOBAY"
#define ACPI_DOCK_HID           "LNXDOCK"
/* Quirk for broken IBM BIOSes */
#define ACPI_SMBUS_IBM_HID      "SMBUSIBM"

/*
 * For fixed hardware buttons, we fabricate acpi_devices with HID
 * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF.  Fixed hardware
 * signals only an event; it doesn't supply a notification value.
 * To allow drivers to treat notifications from fixed hardware the
 * same as those from real devices, we turn the events into this
 * notification value.
 */
#define ACPI_FIXED_HARDWARE_EVENT   0x100

/* --------------------------------------------------------------------------
                                       PCI
   -------------------------------------------------------------------------- */


/* ACPI PCI Interrupt Link (pci_link.c) */

int acpi_irq_penalty_init(void);
int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
                   int *polarity, char **name);
int acpi_pci_link_free_irq(acpi_handle handle);

/* ACPI PCI Interrupt Routing (pci_irq.c) */

int acpi_pci_irq_add_prt(acpi_handle handle, struct pci_bus *bus);
void acpi_pci_irq_del_prt(struct pci_bus *bus);

/* ACPI PCI Device Binding (pci_bind.c) */

struct pci_bus;

struct pci_dev *acpi_get_pci_dev(acpi_handle);
int acpi_pci_bind_root(struct acpi_device *device);

/* Arch-defined function to add a bus to the system */

struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
void pci_acpi_crs_quirks(void);

/* --------------------------------------------------------------------------
                                    Processor
   -------------------------------------------------------------------------- */

#define ACPI_PROCESSOR_LIMIT_NONE   0x00
#define ACPI_PROCESSOR_LIMIT_INCREMENT  0x01
#define ACPI_PROCESSOR_LIMIT_DECREMENT  0x02

/*--------------------------------------------------------------------------
                                  Dock Station
  -------------------------------------------------------------------------- */
struct acpi_dock_ops {
    acpi_notify_handler handler;
    acpi_notify_handler uevent;
};

#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
extern int is_dock_device(acpi_handle handle);
extern int register_dock_notifier(struct notifier_block *nb);
extern void unregister_dock_notifier(struct notifier_block *nb);
extern int register_hotplug_dock_device(acpi_handle handle,
                    const struct acpi_dock_ops *ops,
                    void *context);
extern void unregister_hotplug_dock_device(acpi_handle handle);
#else
static inline int is_dock_device(acpi_handle handle)
{
    return 0;
}
static inline int register_dock_notifier(struct notifier_block *nb)
{
    return -ENODEV;
}
static inline void unregister_dock_notifier(struct notifier_block *nb)
{
}
static inline int register_hotplug_dock_device(acpi_handle handle,
                           const struct acpi_dock_ops *ops,
                           void *context)
{
    return -ENODEV;
}
static inline void unregister_hotplug_dock_device(acpi_handle handle)
{
}
#endif

#endif /*__ACPI_DRIVERS_H__*/