1/* $NetBSD: apmbios.h,v 1.4 2006/07/08 20:22:19 christos Exp $ */ 2/*- 3 * Copyright (c) 1995 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by John Kohl. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30#ifndef _DEV_APM_APMBIOS_H_ 31#define _DEV_APM_APMBIOS_H_ 32 33/* Advanced Power Management (v1.0 and v1.1 specification) 34 * functions/defines/etc. 35 */ 36#define APM_BIOS_FNCODE (0x53) 37#define APM_SYSTEM_BIOS (0x15) 38#define APM_BIOS_FN(x) ((APM_BIOS_FNCODE<<8)|(x)) 39 40/* 41 * APM info bits from BIOS 42 */ 43#define APM_16BIT_SUPPORT 0x01 44#define APM_32BIT_SUPPORT 0x02 45#define APM_CPUIDLE_SLOW 0x04 46#define APM_DISABLED 0x08 47#define APM_DISENGAGED 0x10 48 49#define APM_ERR_LIMIT 10 50 51#define APM_ERR_CODE(regs) (((regs)->AX & 0xff00) >> 8) 52#define APM_ERR_PM_DISABLED 0x01 53#define APM_ERR_REALALREADY 0x02 54#define APM_ERR_NOTCONN 0x03 55#define APM_ERR_16ALREADY 0x05 56#define APM_ERR_16NOTSUPP 0x06 57#define APM_ERR_32ALREADY 0x07 58#define APM_ERR_32NOTSUPP 0x08 59#define APM_ERR_UNRECOG_DEV 0x09 60#define APM_ERR_ERANGE 0x0A 61#define APM_ERR_NOTENGAGED 0x0B 62#define APM_ERR_EOPNOTSUPP 0x0C 63#define APM_ERR_RTIMER_DISABLED 0x0D 64#define APM_ERR_UNABLE 0x60 65#define APM_ERR_NOEVENTS 0x80 66#define APM_ERR_NOT_PRESENT 0x86 67 68#define APM_DEV_APM_BIOS 0x0000 69#define APM_DEV_ALLDEVS 0x0001 70/* device classes are high byte; device IDs go in low byte */ 71#define APM_DEV_DISPLAY(x) (0x0100|((x)&0xff)) 72#define APM_DEV_DISK(x) (0x0200|((x)&0xff)) 73#define APM_DEV_PARALLEL(x) (0x0300|((x)&0xff)) 74#define APM_DEV_SERIAL(x) (0x0400|((x)&0xff)) 75#define APM_DEV_NETWORK(x) (0x0500|((x)&0xff)) 76#define APM_DEV_PCMCIA(x) (0x0600|((x)&0xff)) 77#define APM_DEV_BATTERY(x) (0x8000|((x)&0xff)) /* V1.2 */ 78#define APM_DEV_ALLUNITS 0xff 79 80#define APM_INSTALLATION_CHECK 0x00 /* int15 only */ 81#define APM_INSTALL_SIGNATURE 0x504d /* %bh = 'P', %bl = 'M' */ 82#define APM_REALMODE_CONNECT 0x01 /* int15 only */ 83#define APM_16BIT_CONNECT 0x02 /* int15 only */ 84#define APM_32BIT_CONNECT 0x03 /* int15 only */ 85#define APM_DISCONNECT 0x04 /* %bx = APM_DEV_APM_BIOS */ 86#define APM_CPU_IDLE 0x05 87#define APM_CPU_BUSY 0x06 88#define APM_SET_PWR_STATE 0x07 89#define APM_SYS_READY 0x0000 /* %cx */ 90#define APM_SYS_STANDBY 0x0001 91#define APM_SYS_SUSPEND 0x0002 92#define APM_SYS_OFF 0x0003 93#define APM_LASTREQ_INPROG 0x0004 94#define APM_LASTREQ_REJECTED 0x0005 95 96/* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */ 97/* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */ 98 99#define APM_PWR_MGT_ENABLE 0x08 100#define APM_MGT_ALL 0xffff /* %bx */ 101#define APM_MGT_DISABLE 0x0 /* %cx */ 102#define APM_MGT_ENABLE 0x1 103 104#define APM_SYSTEM_DEFAULTS 0x09 105#define APM_DEFAULTS_ALL 0xffff /* %bx */ 106#define APM_DEFAULTS_ALL_V12 0x0001 /* %bx */ 107 108#define APM_POWER_STATUS 0x0a 109#define APM_AC_OFF 0x00 110#define APM_AC_ON 0x01 111#define APM_AC_BACKUP 0x02 112#define APM_AC_UNKNOWN 0xff 113/* the first set of battery constants is 1.0 style values; 114 the second set is 1.1 style bit definitions */ 115#define APM_BATT_HIGH 0x00 116#define APM_BATT_LOW 0x01 117#define APM_BATT_CRITICAL 0x02 118#define APM_BATT_CHARGING 0x03 119#define APM_BATT_ABSENT 0x04 /* Software only--not in spec! */ 120#define APM_BATT_UNKNOWN 0xff 121 122#define APM_BATT_FLAG_HIGH 0x01 123#define APM_BATT_FLAG_LOW 0x02 124#define APM_BATT_FLAG_CRITICAL 0x04 125#define APM_BATT_FLAG_CHARGING 0x08 126#define APM_BATT_FLAG_NOBATTERY 0x10 127#define APM_BATT_FLAG_NO_SYSTEM_BATTERY 0x80 128#define APM_BATT_FLAG_UNKNOWN 0xff 129 130#define APM_BATT_LIFE_UNKNOWN 0xff 131#define APM_BATT_STATE(regp) ((regp)->BX & 0xff) 132#define APM_BATT_FLAGS(regp) (((regp)->CX & 0xff00) >> 8) 133#define APM_AC_STATE(regp) (((regp)->BX & 0xff00) >> 8) 134#define APM_BATT_LIFE(regp) ((regp)->CX & 0xff) /* in % */ 135/* BATT_REMAINING returns minutes remaining */ 136#define APM_BATT_REMAINING(regp) (((regp)->DX & 0x8000) ? \ 137 ((regp)->DX & 0x7fff) : \ 138 ((regp)->DX & 0x7fff)/60) 139#define APM_BATT_REM_VALID(regp) (((regp)->DX & 0xffff) != 0xffff) 140#define APM_BATTERY_COUNT(regp) ((regp)->SI) 141 142#define APM_GET_PM_EVENT 0x0b 143#define APM_STANDBY_REQ 0x0001 /* %bx on return */ 144#define APM_SUSPEND_REQ 0x0002 145#define APM_NORMAL_RESUME 0x0003 146#define APM_CRIT_RESUME 0x0004 /* suspend/resume happened 147 without us */ 148 /* If set, the pccard sockets were powered off in the 149 suspend/standby state (V1.2 only) */ 150#define APM_PCCARD_POWEREDOFF(regp) ((regp)->CX & 0x0001) 151 152#define APM_BATTERY_LOW 0x0005 153#define APM_POWER_CHANGE 0x0006 154#define APM_UPDATE_TIME 0x0007 155#define APM_CRIT_SUSPEND_REQ 0x0008 156#define APM_USER_STANDBY_REQ 0x0009 157#define APM_USER_SUSPEND_REQ 0x000A 158#define APM_SYS_STANDBY_RESUME 0x000B 159#define APM_CAP_CHANGE 0x000C /* V1.2 */ 160 161#define APM_GET_POWER_STATE 0x0c 162 /* device to query in %bx */ 163 /* returns power states in %cx */ 164#define APM_DEVICE_MGMT_ENABLE 0x0d 165 /* device to enable/disable in %bx */ 166 167#define APM_DRIVER_VERSION 0x0e 168/* %bx should be DEV value (APM_DEV_APM_BIOS) 169 %ch = driver major vno 170 %cl = driver minor vno 171 return: %ah = conn major; %al = conn minor 172 */ 173#define APM_CONN_MINOR(regp) ((regp)->AX & 0xff) 174#define APM_CONN_MAJOR(regp) (((regp)->AX & 0xff00) >> 8) 175 176#define APM_PWR_MGT_ENGAGE 0x0F 177 /* device in %bx */ 178#define APM_MGT_DISENGAGE 0x0 /* %cx */ 179#define APM_MGT_ENGAGE 0x1 180 181#define APM_GET_CAPABILITIES 0x10 182 /* device in %bx (APM_DEV_APM_BIOS) */ 183 /* %bl: number of batteries */ 184#define APM_NBATTERIES(regp) ((regp)->BX & 0xff) 185 /* %cx capabilities */ 186#define APM_GLOBAL_STANDBY 0x0001 187#define APM_GLOBAL_SUSPEND 0x0002 188#define APM_RTIMER_STANDBY 0x0004 /* resume timer wakes standby */ 189#define APM_RTIMER_SUSPEND 0x0008 /* resume timer wakes suspend */ 190#define APM_IRRING_SUSPEND 0x0010 /* internal ring wakes suspend */ 191#define APM_IRRING_STANDBY 0x0020 /* internal ring wakes standby */ 192#define APM_PCRING_SUSPEND 0x0040 /* pccard ring wakes suspend */ 193#define APM_PCRING_STANDBY 0x0080 /* pccard ring wakes standby */ 194 195#define APM_RESUME_TIMER_CTL 0x11 /* get/set/disable resume timer */ 196 /* device in %bx (APM_DEV_APM_BIOS) */ 197 /* function code in %cl */ 198#define APM_RTIMER_DISABLE 0x00 199#define APM_RTIMER_GET 0x01 200#define APM_RTIMER_SET 0x02 201 /* if %cl = set, or %cl = get, then: */ 202 /* %ch: seconds */ 203 /* %dh: hours */ 204 /* %dl: minutes */ 205 /* %sih: month (bcd), %sil: day (bcd) */ 206 /* %di: year (bcd, 4 digits) */ 207#define APM_RESUME_RING_CTL 0x12 208 /* device in %bx (APM_DEV_APM_BIOS) */ 209 /* %cx: function code */ 210#define APM_RRING_DISABLE 0x0000 211#define APM_RRING_ENABLE 0x0001 212#define APM_RRING_GET 0x0002 213 /* returns state in %cx */ 214#define APM_RRING_DISABLED 0x0000 215#define APM_RRING_ENABLED 0x0001 216 217#define APM_TIMER_REQS_CTL 0x13 218 /* device in %bx (APM_DEV_APM_BIOS) */ 219 /* %cx: function code */ 220#define APM_TIMER_REQS_DISABLE 0x0000 221#define APM_TIMER_REQS_ENABLE 0x0001 222#define APM_TIMER_REQS_GET 0x0002 223 /* returns state in %cx */ 224#define APM_TIMER_REQS_DISABLED 0x0000 225#define APM_TIMER_REQS_ENABLED 0x0001 226 227#define APM_OEM 0x80 228 229/* 230 * APM info word from the real-mode handler is adjusted to put 231 * major/minor version in low half and support bits in upper half. 232 */ 233#define APM_MAJOR_VERS(info) (((info)&0xff00)>>8) 234#define APM_MINOR_VERS(info) ((info)&0xff) 235 236#define APM_16BIT_SUPPORTED (APM_16BIT_SUPPORT << 16) 237#define APM_32BIT_SUPPORTED (APM_32BIT_SUPPORT << 16) 238#define APM_IDLE_SLOWS (APM_CPUIDLE_SLOW << 16) 239#define APM_BIOS_PM_DISABLED (APM_DISABLED << 16) 240#define APM_BIOS_PM_DISENGAGED (APM_DISENGAGED << 16) 241 242#define APMDEBUG_INFO 0x01 243#define APMDEBUG_APMCALLS 0x02 244#define APMDEBUG_EVENTS 0x04 245#define APMDEBUG_PROBE 0x10 246#define APMDEBUG_ATTACH 0x40 247#define APMDEBUG_DEVICE 0x20 248#define APMDEBUG_ANOM 0x40 249 250#endif /* _DEV_APM_APMBIOS_H_ */ 251