252 lines
8.1 KiB
C
252 lines
8.1 KiB
C
/* $NetBSD: apmvar.h,v 1.4 1996/09/10 11:22:35 jtk Exp $ */
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/*
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* Copyright (c) 1995 John T. Kohl
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __I386_APM_H__
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#define __I386_APM_H__
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/* Advanced Power Management (v1.0 and v1.1 specification)
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* functions/defines/etc.
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*/
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#define APM_BIOS_FNCODE (0x53)
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#define APM_SYSTEM_BIOS (0x15)
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#define APM_BIOS_FN(x) ((APM_BIOS_FNCODE<<8)|(x))
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/*
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* APM info bits from BIOS
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*/
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#define APM_16BIT_SUPPORT 0x01
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#define APM_32BIT_SUPPORT 0x02
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#define APM_CPUIDLE_SLOW 0x04
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#define APM_DISABLED 0x08
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#define APM_DISENGAGED 0x10
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#define APM_ERR_CODE(regs) (((regs)->ax & 0xff00) >> 8)
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#define APM_ERR_PM_DISABLED 0x01
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#define APM_ERR_REALALREADY 0x02
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#define APM_ERR_NOTCONN 0x03
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#define APM_ERR_16ALREADY 0x05
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#define APM_ERR_16NOTSUPP 0x06
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#define APM_ERR_32ALREADY 0x07
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#define APM_ERR_32NOTSUPP 0x08
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#define APM_ERR_UNRECOG_DEV 0x09
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#define APM_ERR_ERANGE 0x0A
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#define APM_ERR_NOTENGAGED 0x0B
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#define APM_ERR_UNABLE 0x60
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#define APM_ERR_NOEVENTS 0x80
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#define APM_ERR_NOT_PRESENT 0x86
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#define APM_DEV_APM_BIOS 0x0000
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#define APM_DEV_ALLDEVS 0x0001
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/* device classes are high byte; device IDs go in low byte */
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#define APM_DEV_DISPLAY(x) (0x0100|((x)&0xff))
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#define APM_DEV_DISK(x) (0x0200|((x)&0xff))
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#define APM_DEV_PARALLEL(x) (0x0300|((x)&0xff))
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#define APM_DEV_SERIAL(x) (0x0400|((x)&0xff))
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#define APM_DEV_NETWORK(x) (0x0500|((x)&0xff))
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#define APM_DEV_PCMCIA(x) (0x0600|((x)&0xff))
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#define APM_DEV_ALLUNITS 0xff
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#define APM_INSTALLATION_CHECK 0x00 /* int15 only */
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#define APM_INSTALL_SIGNATURE 0x504d /* %bh = 'P', %bl = 'M' */
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#define APM_REALMODE_CONNECT 0x01 /* int15 only */
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#define APM_16BIT_CONNECT 0x02 /* int15 only */
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#define APM_32BIT_CONNECT 0x03 /* int15 only */
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#define APM_DISCONNECT 0x04 /* %bx = APM_DEV_APM_BIOS */
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#define APM_CPU_IDLE 0x05
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#define APM_CPU_BUSY 0x06
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#define APM_SET_PWR_STATE 0x07
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#define APM_SYS_READY 0x0000 /* %cx */
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#define APM_SYS_STANDBY 0x0001
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#define APM_SYS_SUSPEND 0x0002
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#define APM_SYS_OFF 0x0003
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#define APM_LASTREQ_INPROG 0x0004
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#define APM_LASTREQ_REJECTED 0x0005
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/* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */
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/* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */
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#define APM_PWR_MGT_ENABLE 0x08
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#define APM_MGT_ALL 0xffff /* %bx */
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#define APM_MGT_DISABLE 0x0 /* %cx */
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#define APM_MGT_ENABLE 0x1
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#define APM_SYSTEM_DEFAULTS 0x09
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#define APM_DEFAULTS_ALL 0xffff /* %bx */
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#define APM_POWER_STATUS 0x0a
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#define APM_AC_OFF 0x00
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#define APM_AC_ON 0x01
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#define APM_AC_BACKUP 0x02
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#define APM_AC_UNKNOWN 0xff
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/* the first set of battery constants is 1.0 style values;
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the second set is 1.1 style bit definitions */
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#define APM_BATT_HIGH 0x00
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#define APM_BATT_LOW 0x01
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#define APM_BATT_CRITICAL 0x02
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#define APM_BATT_CHARGING 0x03
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#define APM_BATT_ABSENT 0x04 /* Software only--not in spec! */
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#define APM_BATT_UNKNOWN 0xff
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#define APM_BATT_FLAG_HIGH 0x01
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#define APM_BATT_FLAG_LOW 0x02
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#define APM_BATT_FLAG_CRITICAL 0x04
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#define APM_BATT_FLAG_CHARGING 0x08
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#define APM_BATT_FLAG_NOBATTERY 0x80
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#define APM_BATT_LIFE_UNKNOWN 0xff
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#define APM_BATT_STATE(regp) ((regp)->bx & 0xff)
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#define APM_BATT_FLAGS(regp) (((regp)->cx & 0xff00) >> 8)
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#define APM_AC_STATE(regp) (((regp)->bx & 0xff00) >> 8)
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#define APM_BATT_LIFE(regp) ((regp)->cx & 0xff) /* in % */
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/* BATT_REMAINING returns minutes remaining */
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#define APM_BATT_REMAINING(regp) (((regp)->dx & 0x8000) ? \
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((regp)->dx & 0x7fff) : \
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((regp)->dx & 0x7fff)/60)
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#define APM_BATT_REM_VALID(regp) (((regp)->dx & 0xffff) != 0xffff)
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#define APM_GET_PM_EVENT 0x0b
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#define APM_STANDBY_REQ 0x0001 /* %bx on return */
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#define APM_SUSPEND_REQ 0x0002
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#define APM_NORMAL_RESUME 0x0003
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#define APM_CRIT_RESUME 0x0004 /* suspend/resume happened
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without us */
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#define APM_BATTERY_LOW 0x0005
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#define APM_POWER_CHANGE 0x0006
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#define APM_UPDATE_TIME 0x0007
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#define APM_CRIT_SUSPEND_REQ 0x0008
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#define APM_USER_STANDBY_REQ 0x0009
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#define APM_USER_SUSPEND_REQ 0x000A
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#define APM_SYS_STANDBY_RESUME 0x000B
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#define APM_GET_POWER_STATE 0x0c
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#define APM_DEVICE_MGMT_ENABLE 0x0d
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#define APM_DRIVER_VERSION 0x0e
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/* %bx should be DEV value (APM_DEV_APM_BIOS)
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%ch = driver major vno
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%cl = driver minor vno
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return: %ah = conn major; %al = conn minor
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*/
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#define APM_CONN_MINOR(regp) ((regp)->ax & 0xff)
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#define APM_CONN_MAJOR(regp) (((regp)->ax & 0xff00) >> 8)
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#define APM_PWR_MGT_ENGAGE 0x0F
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#define APM_MGT_DISENGAGE 0x0 /* %cx */
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#define APM_MGT_ENGAGE 0x1
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#define APM_OEM 0x80
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/*
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* APM info word from the real-mode handler is adjusted to put
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* major/minor version in low half and support bits in upper half.
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*/
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#define APM_MAJOR_VERS(info) (((info)&0xff00)>>8)
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#define APM_MINOR_VERS(info) ((info)&0xff)
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#define APM_16BIT_SUPPORTED (APM_16BIT_SUPPORT << 16)
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#define APM_32BIT_SUPPORTED (APM_32BIT_SUPPORT << 16)
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#define APM_IDLE_SLOWS (APM_CPUIDLE_SLOW << 16)
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#define APM_BIOS_PM_DISABLED (APM_DISABLED << 16)
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#define APM_BIOS_PM_DISENGAGED (APM_DISENGAGED << 16)
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/*
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* virtual & physical address of the trampoline
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* that we use: page 1.
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*/
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#define APM_BIOSTRAMP NBPG
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#ifndef _LOCORE
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/* filled in by apmcall */
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struct apmregs {
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u_short ax;
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u_short bx;
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u_short cx;
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u_short dx;
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u_short si;
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u_short di;
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u_short flags;
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};
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struct apm_connect_info {
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u_int apm_code32_seg_base; /* real-mode style segment selector */
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u_int apm_code16_seg_base;
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u_int apm_data_seg_base;
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u_int apm_entrypt;
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u_short apm_segsel; /* segment selector for APM */
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u_short _pad1;
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u_int apm_code32_seg_len;
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u_int apm_data_seg_len;
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u_int apm_detail;
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};
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struct apm_event_info {
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u_int type;
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u_int index;
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u_int spare[8];
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};
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struct apm_power_info {
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u_char battery_state;
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u_char ac_state;
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u_char battery_life;
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u_char spare1;
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u_int minutes_left; /* estimate */
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u_int spare2[6];
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};
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struct apm_ctl {
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u_int dev;
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u_int mode;
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};
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#define APM_IOC_REJECT _IOW('A', 0, struct apm_event_info) /* reject request # */
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#define APM_IOC_STANDBY _IO('A', 1) /* put system into standby */
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#define APM_IOC_SUSPEND _IO('A', 2) /* put system into suspend */
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#define APM_IOC_GETPOWER _IOR('A', 3, struct apm_power_info) /* fetch battery state */
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#define APM_IOC_NEXTEVENT _IOR('A', 4, struct apm_event_info) /* fetch event */
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#define APM_IOC_DEV_CTL _IOW('A', 5, struct apm_ctl) /* put device into mode */
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struct apm_attach_args {
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char *aaa_busname;
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};
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#ifdef _KERNEL
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extern struct apm_connect_info apminfo; /* in locore */
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extern int apmpresent;
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extern int apmcall __P((int function, struct apmregs *regs));
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extern void bioscall __P((int function, struct apmregs *regs));
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extern void apm_cpu_busy __P((void));
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extern void apm_cpu_idle __P((void));
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extern void apminit __P((void));
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int apm_set_powstate __P((u_int devid, u_int powstate));
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#endif /* _KERNEL */
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#endif /* _LOCORE */
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#endif /* __i386_apm_h__ */
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