219 lines
5.6 KiB
C
219 lines
5.6 KiB
C
#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 */
|