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#ifndef _LINUX_APM_H
#define _LINUX_APM_H
/*
* 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.
*/
typedef unsigned short apm_event_t;
typedef unsigned short apm_eventinfo_t;
#ifdef __KERNEL__
#define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8)
#define APM_CS_16 (APM_CS + 8)
#define APM_DS (APM_CS_16 + 8)
struct apm_bios_info {
unsigned short version;
unsigned short cseg;
unsigned long offset;
unsigned short cseg_16;
unsigned short dseg;
unsigned short flags;
unsigned short cseg_len;
unsigned short cseg_16_len;
unsigned short dseg_len;
};
/* Results of APM Installation Check */
#define APM_16_BIT_SUPPORT 0x0001
#define APM_32_BIT_SUPPORT 0x0002
#define APM_IDLE_SLOWS_CLOCK 0x0004
#define APM_BIOS_DISABLED 0x0008
#define APM_BIOS_DISENGAGED 0x0010
/*
* Data for APM that is persistent across module unload/load
*/
struct apm_info {
struct apm_bios_info bios;
unsigned short connection_version;
int get_power_status_broken;
int get_power_status_swabinminutes;
int allow_ints;
int forbid_idle;
int realmode_power_off;
int disabled;
};
/*
* The APM function codes
*/
#define APM_FUNC_INST_CHECK 0x5300
#define APM_FUNC_REAL_CONN 0x5301
#define APM_FUNC_16BIT_CONN 0x5302
#define APM_FUNC_32BIT_CONN 0x5303
#define APM_FUNC_DISCONN 0x5304
#define APM_FUNC_IDLE 0x5305
#define APM_FUNC_BUSY 0x5306
#define APM_FUNC_SET_STATE 0x5307
#define APM_FUNC_ENABLE_PM 0x5308
#define APM_FUNC_RESTORE_BIOS 0x5309
#define APM_FUNC_GET_STATUS 0x530a
#define APM_FUNC_GET_EVENT 0x530b
#define APM_FUNC_GET_STATE 0x530c
#define APM_FUNC_ENABLE_DEV_PM 0x530d
#define APM_FUNC_VERSION 0x530e
#define APM_FUNC_ENGAGE_PM 0x530f
#define APM_FUNC_GET_CAP 0x5310
#define APM_FUNC_RESUME_TIMER 0x5311
#define APM_FUNC_RESUME_ON_RING 0x5312
#define APM_FUNC_TIMER 0x5313
/*
* Function code for APM_FUNC_RESUME_TIMER
*/
#define APM_FUNC_DISABLE_TIMER 0
#define APM_FUNC_GET_TIMER 1
#define APM_FUNC_SET_TIMER 2
/*
* Function code for APM_FUNC_RESUME_ON_RING
*/
#define APM_FUNC_DISABLE_RING 0
#define APM_FUNC_ENABLE_RING 1
#define APM_FUNC_GET_RING 2
/*
* Function code for APM_FUNC_TIMER_STATUS
*/
#define APM_FUNC_TIMER_DISABLE 0
#define APM_FUNC_TIMER_ENABLE 1
#define APM_FUNC_TIMER_GET 2
/*
* in arch/i386/kernel/setup.c
*/
extern struct apm_info apm_info;
#endif /* __KERNEL__ */
/*
* 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
/*
* 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
#ifdef __KERNEL__
/*
* This is the "All Devices" ID communicated to the BIOS
*/
#define APM_DEVICE_BALL ((apm_info.connection_version > 0x0100) ? \
APM_DEVICE_ALL : APM_DEVICE_OLD_ALL)
#endif
/*
* 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 /* LINUX_APM_H */
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