root/include/uapi/linux/apm_bios.h

INCLUDED FROM

/*
 * Include file for the interface to an APM BIOS
 * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
 *
 * 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, 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.
 */
#ifndef _UAPI_LINUX_APM_H
#define _UAPI_LINUX_APM_H


#include <linux/types.h>

typedef unsigned short  apm_event_t;
typedef unsigned short  apm_eventinfo_t;

struct apm_bios_info {
        __u16   version;
        __u16   cseg;
        __u32   offset;
        __u16   cseg_16;
        __u16   dseg;
        __u16   flags;
        __u16   cseg_len;
        __u16   cseg_16_len;
        __u16   dseg_len;
};


/*
 * Power states
 */
#define APM_STATE_READY         0x0000
#define APM_STATE_STANDBY       0x0001
#define APM_STATE_SUSPEND       0x0002
#define APM_STATE_OFF           0x0003
#define APM_STATE_BUSY          0x0004
#define APM_STATE_REJECT        0x0005
#define APM_STATE_OEM_SYS       0x0020
#define APM_STATE_OEM_DEV       0x0040

#define APM_STATE_DISABLE       0x0000
#define APM_STATE_ENABLE        0x0001

#define APM_STATE_DISENGAGE     0x0000
#define APM_STATE_ENGAGE        0x0001

/*
 * Events (results of Get PM Event)
 */
#define APM_SYS_STANDBY         0x0001
#define APM_SYS_SUSPEND         0x0002
#define APM_NORMAL_RESUME       0x0003
#define APM_CRITICAL_RESUME     0x0004
#define APM_LOW_BATTERY         0x0005
#define APM_POWER_STATUS_CHANGE 0x0006
#define APM_UPDATE_TIME         0x0007
#define APM_CRITICAL_SUSPEND    0x0008
#define APM_USER_STANDBY        0x0009
#define APM_USER_SUSPEND        0x000a
#define APM_STANDBY_RESUME      0x000b
#define APM_CAPABILITY_CHANGE   0x000c
#define APM_USER_HIBERNATION    0x000d
#define APM_HIBERNATION_RESUME  0x000e

/*
 * Error codes
 */
#define APM_SUCCESS             0x00
#define APM_DISABLED            0x01
#define APM_CONNECTED           0x02
#define APM_NOT_CONNECTED       0x03
#define APM_16_CONNECTED        0x05
#define APM_16_UNSUPPORTED      0x06
#define APM_32_CONNECTED        0x07
#define APM_32_UNSUPPORTED      0x08
#define APM_BAD_DEVICE          0x09
#define APM_BAD_PARAM           0x0a
#define APM_NOT_ENGAGED         0x0b
#define APM_BAD_FUNCTION        0x0c
#define APM_RESUME_DISABLED     0x0d
#define APM_NO_ERROR            0x53
#define APM_BAD_STATE           0x60
#define APM_NO_EVENTS           0x80
#define APM_NOT_PRESENT         0x86

/*
 * APM Device IDs
 */
#define APM_DEVICE_BIOS         0x0000
#define APM_DEVICE_ALL          0x0001
#define APM_DEVICE_DISPLAY      0x0100
#define APM_DEVICE_STORAGE      0x0200
#define APM_DEVICE_PARALLEL     0x0300
#define APM_DEVICE_SERIAL       0x0400
#define APM_DEVICE_NETWORK      0x0500
#define APM_DEVICE_PCMCIA       0x0600
#define APM_DEVICE_BATTERY      0x8000
#define APM_DEVICE_OEM          0xe000
#define APM_DEVICE_OLD_ALL      0xffff
#define APM_DEVICE_CLASS        0x00ff
#define APM_DEVICE_MASK         0xff00


/*
 * Battery status
 */
#define APM_MAX_BATTERIES       2

/*
 * APM defined capability bit flags
 */
#define APM_CAP_GLOBAL_STANDBY          0x0001
#define APM_CAP_GLOBAL_SUSPEND          0x0002
#define APM_CAP_RESUME_STANDBY_TIMER    0x0004 /* Timer resume from standby */
#define APM_CAP_RESUME_SUSPEND_TIMER    0x0008 /* Timer resume from suspend */
#define APM_CAP_RESUME_STANDBY_RING     0x0010 /* Resume on Ring fr standby */
#define APM_CAP_RESUME_SUSPEND_RING     0x0020 /* Resume on Ring fr suspend */
#define APM_CAP_RESUME_STANDBY_PCMCIA   0x0040 /* Resume on PCMCIA Ring */
#define APM_CAP_RESUME_SUSPEND_PCMCIA   0x0080 /* Resume on PCMCIA Ring */

/*
 * ioctl operations
 */
#include <linux/ioctl.h>

#define APM_IOC_STANDBY         _IO('A', 1)
#define APM_IOC_SUSPEND         _IO('A', 2)

#endif /* _UAPI_LINUX_APM_H */