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      1 #ifndef _LINUX_APM_H
      2 #define _LINUX_APM_H
      3 
      4 /*
      5  * Include file for the interface to an APM BIOS
      6  * Copyright 1994-2001 Stephen Rothwell (sfr (at) canb.auug.org.au)
      7  *
      8  * This program is free software; you can redistribute it and/or modify it
      9  * under the terms of the GNU General Public License as published by the
     10  * Free Software Foundation; either version 2, or (at your option) any
     11  * later version.
     12  *
     13  * This program is distributed in the hope that it will be useful, but
     14  * WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * General Public License for more details.
     17  */
     18 
     19 #include <linux/types.h>
     20 
     21 typedef unsigned short	apm_event_t;
     22 typedef unsigned short	apm_eventinfo_t;
     23 
     24 struct 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 
     71 /*
     72  * Error codes
     73  */
     74 #define APM_SUCCESS		0x00
     75 #define APM_DISABLED		0x01
     76 #define APM_CONNECTED		0x02
     77 #define APM_NOT_CONNECTED	0x03
     78 #define APM_16_CONNECTED	0x05
     79 #define APM_16_UNSUPPORTED	0x06
     80 #define APM_32_CONNECTED	0x07
     81 #define APM_32_UNSUPPORTED	0x08
     82 #define APM_BAD_DEVICE		0x09
     83 #define APM_BAD_PARAM		0x0a
     84 #define APM_NOT_ENGAGED		0x0b
     85 #define APM_BAD_FUNCTION	0x0c
     86 #define APM_RESUME_DISABLED	0x0d
     87 #define APM_NO_ERROR		0x53
     88 #define APM_BAD_STATE		0x60
     89 #define APM_NO_EVENTS		0x80
     90 #define APM_NOT_PRESENT		0x86
     91 
     92 /*
     93  * APM Device IDs
     94  */
     95 #define APM_DEVICE_BIOS		0x0000
     96 #define APM_DEVICE_ALL		0x0001
     97 #define APM_DEVICE_DISPLAY	0x0100
     98 #define APM_DEVICE_STORAGE	0x0200
     99 #define APM_DEVICE_PARALLEL	0x0300
    100 #define APM_DEVICE_SERIAL	0x0400
    101 #define APM_DEVICE_NETWORK	0x0500
    102 #define APM_DEVICE_PCMCIA	0x0600
    103 #define APM_DEVICE_BATTERY	0x8000
    104 #define APM_DEVICE_OEM		0xe000
    105 #define APM_DEVICE_OLD_ALL	0xffff
    106 #define APM_DEVICE_CLASS	0x00ff
    107 #define APM_DEVICE_MASK		0xff00
    108 
    109 
    110 /*
    111  * Battery status
    112  */
    113 #define APM_MAX_BATTERIES	2
    114 
    115 /*
    116  * APM defined capability bit flags
    117  */
    118 #define APM_CAP_GLOBAL_STANDBY		0x0001
    119 #define APM_CAP_GLOBAL_SUSPEND		0x0002
    120 #define APM_CAP_RESUME_STANDBY_TIMER	0x0004 /* Timer resume from standby */
    121 #define APM_CAP_RESUME_SUSPEND_TIMER	0x0008 /* Timer resume from suspend */
    122 #define APM_CAP_RESUME_STANDBY_RING	0x0010 /* Resume on Ring fr standby */
    123 #define APM_CAP_RESUME_SUSPEND_RING	0x0020 /* Resume on Ring fr suspend */
    124 #define APM_CAP_RESUME_STANDBY_PCMCIA	0x0040 /* Resume on PCMCIA Ring	*/
    125 #define APM_CAP_RESUME_SUSPEND_PCMCIA	0x0080 /* Resume on PCMCIA Ring	*/
    126 
    127 /*
    128  * ioctl operations
    129  */
    130 #include <linux/ioctl.h>
    131 
    132 #define APM_IOC_STANDBY		_IO('A', 1)
    133 #define APM_IOC_SUSPEND		_IO('A', 2)
    134 
    135 #endif	/* LINUX_APM_H */
    136