linux/include/uapi/linux/apm_bios.h
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   1/*
   2 * Include file for the interface to an APM BIOS
   3 * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of the GNU General Public License as published by the
   7 * Free Software Foundation; either version 2, or (at your option) any
   8 * later version.
   9 *
  10 * This program is distributed in the hope that it will be useful, but
  11 * WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 * General Public License for more details.
  14 */
  15#ifndef _UAPI_LINUX_APM_H
  16#define _UAPI_LINUX_APM_H
  17
  18
  19#include <linux/types.h>
  20
  21typedef unsigned short  apm_event_t;
  22typedef unsigned short  apm_eventinfo_t;
  23
  24struct apm_bios_info {
  25        __u16   version;
  26        __u16   cseg;
  27        __u32   offset;
  28        __u16   cseg_16;
  29        __u16   dseg;
  30        __u16   flags;
  31        __u16   cseg_len;
  32        __u16   cseg_16_len;
  33        __u16   dseg_len;
  34};
  35
  36
  37/*
  38 * Power states
  39 */
  40#define APM_STATE_READY         0x0000
  41#define APM_STATE_STANDBY       0x0001
  42#define APM_STATE_SUSPEND       0x0002
  43#define APM_STATE_OFF           0x0003
  44#define APM_STATE_BUSY          0x0004
  45#define APM_STATE_REJECT        0x0005
  46#define APM_STATE_OEM_SYS       0x0020
  47#define APM_STATE_OEM_DEV       0x0040
  48
  49#define APM_STATE_DISABLE       0x0000
  50#define APM_STATE_ENABLE        0x0001
  51
  52#define APM_STATE_DISENGAGE     0x0000
  53#define APM_STATE_ENGAGE        0x0001
  54
  55/*
  56 * Events (results of Get PM Event)
  57 */
  58#define APM_SYS_STANDBY         0x0001
  59#define APM_SYS_SUSPEND         0x0002
  60#define APM_NORMAL_RESUME       0x0003
  61#define APM_CRITICAL_RESUME     0x0004
  62#define APM_LOW_BATTERY         0x0005
  63#define APM_POWER_STATUS_CHANGE 0x0006
  64#define APM_UPDATE_TIME         0x0007
  65#define APM_CRITICAL_SUSPEND    0x0008
  66#define APM_USER_STANDBY        0x0009
  67#define APM_USER_SUSPEND        0x000a
  68#define APM_STANDBY_RESUME      0x000b
  69#define APM_CAPABILITY_CHANGE   0x000c
  70#define APM_USER_HIBERNATION    0x000d
  71#define APM_HIBERNATION_RESUME  0x000e
  72
  73/*
  74 * Error codes
  75 */
  76#define APM_SUCCESS             0x00
  77#define APM_DISABLED            0x01
  78#define APM_CONNECTED           0x02
  79#define APM_NOT_CONNECTED       0x03
  80#define APM_16_CONNECTED        0x05
  81#define APM_16_UNSUPPORTED      0x06
  82#define APM_32_CONNECTED        0x07
  83#define APM_32_UNSUPPORTED      0x08
  84#define APM_BAD_DEVICE          0x09
  85#define APM_BAD_PARAM           0x0a
  86#define APM_NOT_ENGAGED         0x0b
  87#define APM_BAD_FUNCTION        0x0c
  88#define APM_RESUME_DISABLED     0x0d
  89#define APM_NO_ERROR            0x53
  90#define APM_BAD_STATE           0x60
  91#define APM_NO_EVENTS           0x80
  92#define APM_NOT_PRESENT         0x86
  93
  94/*
  95 * APM Device IDs
  96 */
  97#define APM_DEVICE_BIOS         0x0000
  98#define APM_DEVICE_ALL          0x0001
  99#define APM_DEVICE_DISPLAY      0x0100
 100#define APM_DEVICE_STORAGE      0x0200
 101#define APM_DEVICE_PARALLEL     0x0300
 102#define APM_DEVICE_SERIAL       0x0400
 103#define APM_DEVICE_NETWORK      0x0500
 104#define APM_DEVICE_PCMCIA       0x0600
 105#define APM_DEVICE_BATTERY      0x8000
 106#define APM_DEVICE_OEM          0xe000
 107#define APM_DEVICE_OLD_ALL      0xffff
 108#define APM_DEVICE_CLASS        0x00ff
 109#define APM_DEVICE_MASK         0xff00
 110
 111
 112/*
 113 * Battery status
 114 */
 115#define APM_MAX_BATTERIES       2
 116
 117/*
 118 * APM defined capability bit flags
 119 */
 120#define APM_CAP_GLOBAL_STANDBY          0x0001
 121#define APM_CAP_GLOBAL_SUSPEND          0x0002
 122#define APM_CAP_RESUME_STANDBY_TIMER    0x0004 /* Timer resume from standby */
 123#define APM_CAP_RESUME_SUSPEND_TIMER    0x0008 /* Timer resume from suspend */
 124#define APM_CAP_RESUME_STANDBY_RING     0x0010 /* Resume on Ring fr standby */
 125#define APM_CAP_RESUME_SUSPEND_RING     0x0020 /* Resume on Ring fr suspend */
 126#define APM_CAP_RESUME_STANDBY_PCMCIA   0x0040 /* Resume on PCMCIA Ring */
 127#define APM_CAP_RESUME_SUSPEND_PCMCIA   0x0080 /* Resume on PCMCIA Ring */
 128
 129/*
 130 * ioctl operations
 131 */
 132#include <linux/ioctl.h>
 133
 134#define APM_IOC_STANDBY         _IO('A', 1)
 135#define APM_IOC_SUSPEND         _IO('A', 2)
 136
 137#endif /* _UAPI_LINUX_APM_H */
 138