NetBSD/sys/dev/apm/apmbios.h
2008-04-28 20:22:51 +00:00

251 lines
8.9 KiB
C

/* $NetBSD: apmbios.h,v 1.5 2008/04/28 20:23:47 martin Exp $ */
/*-
* Copyright (c) 1995 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by John Kohl.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_APM_APMBIOS_H_
#define _DEV_APM_APMBIOS_H_
/* Advanced Power Management (v1.0 and v1.1 specification)
* functions/defines/etc.
*/
#define APM_BIOS_FNCODE (0x53)
#define APM_SYSTEM_BIOS (0x15)
#define APM_BIOS_FN(x) ((APM_BIOS_FNCODE<<8)|(x))
/*
* APM info bits from BIOS
*/
#define APM_16BIT_SUPPORT 0x01
#define APM_32BIT_SUPPORT 0x02
#define APM_CPUIDLE_SLOW 0x04
#define APM_DISABLED 0x08
#define APM_DISENGAGED 0x10
#define APM_ERR_LIMIT 10
#define APM_ERR_CODE(regs) (((regs)->AX & 0xff00) >> 8)
#define APM_ERR_PM_DISABLED 0x01
#define APM_ERR_REALALREADY 0x02
#define APM_ERR_NOTCONN 0x03
#define APM_ERR_16ALREADY 0x05
#define APM_ERR_16NOTSUPP 0x06
#define APM_ERR_32ALREADY 0x07
#define APM_ERR_32NOTSUPP 0x08
#define APM_ERR_UNRECOG_DEV 0x09
#define APM_ERR_ERANGE 0x0A
#define APM_ERR_NOTENGAGED 0x0B
#define APM_ERR_EOPNOTSUPP 0x0C
#define APM_ERR_RTIMER_DISABLED 0x0D
#define APM_ERR_UNABLE 0x60
#define APM_ERR_NOEVENTS 0x80
#define APM_ERR_NOT_PRESENT 0x86
#define APM_DEV_APM_BIOS 0x0000
#define APM_DEV_ALLDEVS 0x0001
/* device classes are high byte; device IDs go in low byte */
#define APM_DEV_DISPLAY(x) (0x0100|((x)&0xff))
#define APM_DEV_DISK(x) (0x0200|((x)&0xff))
#define APM_DEV_PARALLEL(x) (0x0300|((x)&0xff))
#define APM_DEV_SERIAL(x) (0x0400|((x)&0xff))
#define APM_DEV_NETWORK(x) (0x0500|((x)&0xff))
#define APM_DEV_PCMCIA(x) (0x0600|((x)&0xff))
#define APM_DEV_BATTERY(x) (0x8000|((x)&0xff)) /* V1.2 */
#define APM_DEV_ALLUNITS 0xff
#define APM_INSTALLATION_CHECK 0x00 /* int15 only */
#define APM_INSTALL_SIGNATURE 0x504d /* %bh = 'P', %bl = 'M' */
#define APM_REALMODE_CONNECT 0x01 /* int15 only */
#define APM_16BIT_CONNECT 0x02 /* int15 only */
#define APM_32BIT_CONNECT 0x03 /* int15 only */
#define APM_DISCONNECT 0x04 /* %bx = APM_DEV_APM_BIOS */
#define APM_CPU_IDLE 0x05
#define APM_CPU_BUSY 0x06
#define APM_SET_PWR_STATE 0x07
#define APM_SYS_READY 0x0000 /* %cx */
#define APM_SYS_STANDBY 0x0001
#define APM_SYS_SUSPEND 0x0002
#define APM_SYS_OFF 0x0003
#define APM_LASTREQ_INPROG 0x0004
#define APM_LASTREQ_REJECTED 0x0005
/* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */
/* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */
#define APM_PWR_MGT_ENABLE 0x08
#define APM_MGT_ALL 0xffff /* %bx */
#define APM_MGT_DISABLE 0x0 /* %cx */
#define APM_MGT_ENABLE 0x1
#define APM_SYSTEM_DEFAULTS 0x09
#define APM_DEFAULTS_ALL 0xffff /* %bx */
#define APM_DEFAULTS_ALL_V12 0x0001 /* %bx */
#define APM_POWER_STATUS 0x0a
#define APM_AC_OFF 0x00
#define APM_AC_ON 0x01
#define APM_AC_BACKUP 0x02
#define APM_AC_UNKNOWN 0xff
/* the first set of battery constants is 1.0 style values;
the second set is 1.1 style bit definitions */
#define APM_BATT_HIGH 0x00
#define APM_BATT_LOW 0x01
#define APM_BATT_CRITICAL 0x02
#define APM_BATT_CHARGING 0x03
#define APM_BATT_ABSENT 0x04 /* Software only--not in spec! */
#define APM_BATT_UNKNOWN 0xff
#define APM_BATT_FLAG_HIGH 0x01
#define APM_BATT_FLAG_LOW 0x02
#define APM_BATT_FLAG_CRITICAL 0x04
#define APM_BATT_FLAG_CHARGING 0x08
#define APM_BATT_FLAG_NOBATTERY 0x10
#define APM_BATT_FLAG_NO_SYSTEM_BATTERY 0x80
#define APM_BATT_FLAG_UNKNOWN 0xff
#define APM_BATT_LIFE_UNKNOWN 0xff
#define APM_BATT_STATE(regp) ((regp)->BX & 0xff)
#define APM_BATT_FLAGS(regp) (((regp)->CX & 0xff00) >> 8)
#define APM_AC_STATE(regp) (((regp)->BX & 0xff00) >> 8)
#define APM_BATT_LIFE(regp) ((regp)->CX & 0xff) /* in % */
/* BATT_REMAINING returns minutes remaining */
#define APM_BATT_REMAINING(regp) (((regp)->DX & 0x8000) ? \
((regp)->DX & 0x7fff) : \
((regp)->DX & 0x7fff)/60)
#define APM_BATT_REM_VALID(regp) (((regp)->DX & 0xffff) != 0xffff)
#define APM_BATTERY_COUNT(regp) ((regp)->SI)
#define APM_GET_PM_EVENT 0x0b
#define APM_STANDBY_REQ 0x0001 /* %bx on return */
#define APM_SUSPEND_REQ 0x0002
#define APM_NORMAL_RESUME 0x0003
#define APM_CRIT_RESUME 0x0004 /* suspend/resume happened
without us */
/* If set, the pccard sockets were powered off in the
suspend/standby state (V1.2 only) */
#define APM_PCCARD_POWEREDOFF(regp) ((regp)->CX & 0x0001)
#define APM_BATTERY_LOW 0x0005
#define APM_POWER_CHANGE 0x0006
#define APM_UPDATE_TIME 0x0007
#define APM_CRIT_SUSPEND_REQ 0x0008
#define APM_USER_STANDBY_REQ 0x0009
#define APM_USER_SUSPEND_REQ 0x000A
#define APM_SYS_STANDBY_RESUME 0x000B
#define APM_CAP_CHANGE 0x000C /* V1.2 */
#define APM_GET_POWER_STATE 0x0c
/* device to query in %bx */
/* returns power states in %cx */
#define APM_DEVICE_MGMT_ENABLE 0x0d
/* device to enable/disable in %bx */
#define APM_DRIVER_VERSION 0x0e
/* %bx should be DEV value (APM_DEV_APM_BIOS)
%ch = driver major vno
%cl = driver minor vno
return: %ah = conn major; %al = conn minor
*/
#define APM_CONN_MINOR(regp) ((regp)->AX & 0xff)
#define APM_CONN_MAJOR(regp) (((regp)->AX & 0xff00) >> 8)
#define APM_PWR_MGT_ENGAGE 0x0F
/* device in %bx */
#define APM_MGT_DISENGAGE 0x0 /* %cx */
#define APM_MGT_ENGAGE 0x1
#define APM_GET_CAPABILITIES 0x10
/* device in %bx (APM_DEV_APM_BIOS) */
/* %bl: number of batteries */
#define APM_NBATTERIES(regp) ((regp)->BX & 0xff)
/* %cx capabilities */
#define APM_GLOBAL_STANDBY 0x0001
#define APM_GLOBAL_SUSPEND 0x0002
#define APM_RTIMER_STANDBY 0x0004 /* resume timer wakes standby */
#define APM_RTIMER_SUSPEND 0x0008 /* resume timer wakes suspend */
#define APM_IRRING_SUSPEND 0x0010 /* internal ring wakes suspend */
#define APM_IRRING_STANDBY 0x0020 /* internal ring wakes standby */
#define APM_PCRING_SUSPEND 0x0040 /* pccard ring wakes suspend */
#define APM_PCRING_STANDBY 0x0080 /* pccard ring wakes standby */
#define APM_RESUME_TIMER_CTL 0x11 /* get/set/disable resume timer */
/* device in %bx (APM_DEV_APM_BIOS) */
/* function code in %cl */
#define APM_RTIMER_DISABLE 0x00
#define APM_RTIMER_GET 0x01
#define APM_RTIMER_SET 0x02
/* if %cl = set, or %cl = get, then: */
/* %ch: seconds */
/* %dh: hours */
/* %dl: minutes */
/* %sih: month (bcd), %sil: day (bcd) */
/* %di: year (bcd, 4 digits) */
#define APM_RESUME_RING_CTL 0x12
/* device in %bx (APM_DEV_APM_BIOS) */
/* %cx: function code */
#define APM_RRING_DISABLE 0x0000
#define APM_RRING_ENABLE 0x0001
#define APM_RRING_GET 0x0002
/* returns state in %cx */
#define APM_RRING_DISABLED 0x0000
#define APM_RRING_ENABLED 0x0001
#define APM_TIMER_REQS_CTL 0x13
/* device in %bx (APM_DEV_APM_BIOS) */
/* %cx: function code */
#define APM_TIMER_REQS_DISABLE 0x0000
#define APM_TIMER_REQS_ENABLE 0x0001
#define APM_TIMER_REQS_GET 0x0002
/* returns state in %cx */
#define APM_TIMER_REQS_DISABLED 0x0000
#define APM_TIMER_REQS_ENABLED 0x0001
#define APM_OEM 0x80
/*
* APM info word from the real-mode handler is adjusted to put
* major/minor version in low half and support bits in upper half.
*/
#define APM_MAJOR_VERS(info) (((info)&0xff00)>>8)
#define APM_MINOR_VERS(info) ((info)&0xff)
#define APM_16BIT_SUPPORTED (APM_16BIT_SUPPORT << 16)
#define APM_32BIT_SUPPORTED (APM_32BIT_SUPPORT << 16)
#define APM_IDLE_SLOWS (APM_CPUIDLE_SLOW << 16)
#define APM_BIOS_PM_DISABLED (APM_DISABLED << 16)
#define APM_BIOS_PM_DISENGAGED (APM_DISENGAGED << 16)
#define APMDEBUG_INFO 0x01
#define APMDEBUG_APMCALLS 0x02
#define APMDEBUG_EVENTS 0x04
#define APMDEBUG_PROBE 0x10
#define APMDEBUG_ATTACH 0x40
#define APMDEBUG_DEVICE 0x20
#define APMDEBUG_ANOM 0x40
#endif /* _DEV_APM_APMBIOS_H_ */