1 /* $NetBSD: apmbios.h,v 1.1 2002/10/14 02:08:40 takemura 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 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 #ifndef __DEV_APM_APMBIOS_H__ 38 #define __DEV_APM_APMBIOS_H__ 39 40 /* Advanced Power Management (v1.0 and v1.1 specification) 41 * functions/defines/etc. 42 */ 43 #define APM_BIOS_FNCODE (0x53) 44 #define APM_SYSTEM_BIOS (0x15) 45 #define APM_BIOS_FN(x) ((APM_BIOS_FNCODE<<8)|(x)) 46 47 /* 48 * APM info bits from BIOS 49 */ 50 #define APM_16BIT_SUPPORT 0x01 51 #define APM_32BIT_SUPPORT 0x02 52 #define APM_CPUIDLE_SLOW 0x04 53 #define APM_DISABLED 0x08 54 #define APM_DISENGAGED 0x10 55 56 #define APM_ERR_LIMIT 10 57 58 #define APM_ERR_CODE(regs) (((regs)->AX & 0xff00) >> 8) 59 #define APM_ERR_PM_DISABLED 0x01 60 #define APM_ERR_REALALREADY 0x02 61 #define APM_ERR_NOTCONN 0x03 62 #define APM_ERR_16ALREADY 0x05 63 #define APM_ERR_16NOTSUPP 0x06 64 #define APM_ERR_32ALREADY 0x07 65 #define APM_ERR_32NOTSUPP 0x08 66 #define APM_ERR_UNRECOG_DEV 0x09 67 #define APM_ERR_ERANGE 0x0A 68 #define APM_ERR_NOTENGAGED 0x0B 69 #define APM_ERR_EOPNOTSUPP 0x0C 70 #define APM_ERR_RTIMER_DISABLED 0x0D 71 #define APM_ERR_UNABLE 0x60 72 #define APM_ERR_NOEVENTS 0x80 73 #define APM_ERR_NOT_PRESENT 0x86 74 75 #define APM_DEV_APM_BIOS 0x0000 76 #define APM_DEV_ALLDEVS 0x0001 77 /* device classes are high byte; device IDs go in low byte */ 78 #define APM_DEV_DISPLAY(x) (0x0100|((x)&0xff)) 79 #define APM_DEV_DISK(x) (0x0200|((x)&0xff)) 80 #define APM_DEV_PARALLEL(x) (0x0300|((x)&0xff)) 81 #define APM_DEV_SERIAL(x) (0x0400|((x)&0xff)) 82 #define APM_DEV_NETWORK(x) (0x0500|((x)&0xff)) 83 #define APM_DEV_PCMCIA(x) (0x0600|((x)&0xff)) 84 #define APM_DEV_BATTERY(x) (0x8000|((x)&0xff)) /* V1.2 */ 85 #define APM_DEV_ALLUNITS 0xff 86 87 #define APM_INSTALLATION_CHECK 0x00 /* int15 only */ 88 #define APM_INSTALL_SIGNATURE 0x504d /* %bh = 'P', %bl = 'M' */ 89 #define APM_REALMODE_CONNECT 0x01 /* int15 only */ 90 #define APM_16BIT_CONNECT 0x02 /* int15 only */ 91 #define APM_32BIT_CONNECT 0x03 /* int15 only */ 92 #define APM_DISCONNECT 0x04 /* %bx = APM_DEV_APM_BIOS */ 93 #define APM_CPU_IDLE 0x05 94 #define APM_CPU_BUSY 0x06 95 #define APM_SET_PWR_STATE 0x07 96 #define APM_SYS_READY 0x0000 /* %cx */ 97 #define APM_SYS_STANDBY 0x0001 98 #define APM_SYS_SUSPEND 0x0002 99 #define APM_SYS_OFF 0x0003 100 #define APM_LASTREQ_INPROG 0x0004 101 #define APM_LASTREQ_REJECTED 0x0005 102 103 /* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */ 104 /* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */ 105 106 #define APM_PWR_MGT_ENABLE 0x08 107 #define APM_MGT_ALL 0xffff /* %bx */ 108 #define APM_MGT_DISABLE 0x0 /* %cx */ 109 #define APM_MGT_ENABLE 0x1 110 111 #define APM_SYSTEM_DEFAULTS 0x09 112 #define APM_DEFAULTS_ALL 0xffff /* %bx */ 113 #define APM_DEFAULTS_ALL_V12 0x0001 /* %bx */ 114 115 #define APM_POWER_STATUS 0x0a 116 #define APM_AC_OFF 0x00 117 #define APM_AC_ON 0x01 118 #define APM_AC_BACKUP 0x02 119 #define APM_AC_UNKNOWN 0xff 120 /* the first set of battery constants is 1.0 style values; 121 the second set is 1.1 style bit definitions */ 122 #define APM_BATT_HIGH 0x00 123 #define APM_BATT_LOW 0x01 124 #define APM_BATT_CRITICAL 0x02 125 #define APM_BATT_CHARGING 0x03 126 #define APM_BATT_ABSENT 0x04 /* Software only--not in spec! */ 127 #define APM_BATT_UNKNOWN 0xff 128 129 #define APM_BATT_FLAG_HIGH 0x01 130 #define APM_BATT_FLAG_LOW 0x02 131 #define APM_BATT_FLAG_CRITICAL 0x04 132 #define APM_BATT_FLAG_CHARGING 0x08 133 #define APM_BATT_FLAG_NOBATTERY 0x10 134 #define APM_BATT_FLAG_NO_SYSTEM_BATTERY 0x80 135 #define APM_BATT_FLAG_UNKNOWN 0xff 136 137 #define APM_BATT_LIFE_UNKNOWN 0xff 138 #define APM_BATT_STATE(regp) ((regp)->BX & 0xff) 139 #define APM_BATT_FLAGS(regp) (((regp)->CX & 0xff00) >> 8) 140 #define APM_AC_STATE(regp) (((regp)->BX & 0xff00) >> 8) 141 #define APM_BATT_LIFE(regp) ((regp)->CX & 0xff) /* in % */ 142 /* BATT_REMAINING returns minutes remaining */ 143 #define APM_BATT_REMAINING(regp) (((regp)->DX & 0x8000) ? \ 144 ((regp)->DX & 0x7fff) : \ 145 ((regp)->DX & 0x7fff)/60) 146 #define APM_BATT_REM_VALID(regp) (((regp)->DX & 0xffff) != 0xffff) 147 #define APM_BATTERY_COUNT(regp) ((regp)->SI) 148 149 #define APM_GET_PM_EVENT 0x0b 150 #define APM_STANDBY_REQ 0x0001 /* %bx on return */ 151 #define APM_SUSPEND_REQ 0x0002 152 #define APM_NORMAL_RESUME 0x0003 153 #define APM_CRIT_RESUME 0x0004 /* suspend/resume happened 154 without us */ 155 /* If set, the pccard sockets were powered off in the 156 suspend/standby state (V1.2 only) */ 157 #define APM_PCCARD_POWEREDOFF(regp) ((regp)->CX & 0x0001) 158 159 #define APM_BATTERY_LOW 0x0005 160 #define APM_POWER_CHANGE 0x0006 161 #define APM_UPDATE_TIME 0x0007 162 #define APM_CRIT_SUSPEND_REQ 0x0008 163 #define APM_USER_STANDBY_REQ 0x0009 164 #define APM_USER_SUSPEND_REQ 0x000A 165 #define APM_SYS_STANDBY_RESUME 0x000B 166 #define APM_CAP_CHANGE 0x000C /* V1.2 */ 167 168 #define APM_GET_POWER_STATE 0x0c 169 /* device to query in %bx */ 170 /* returns power states in %cx */ 171 #define APM_DEVICE_MGMT_ENABLE 0x0d 172 /* device to enable/disable in %bx */ 173 174 #define APM_DRIVER_VERSION 0x0e 175 /* %bx should be DEV value (APM_DEV_APM_BIOS) 176 %ch = driver major vno 177 %cl = driver minor vno 178 return: %ah = conn major; %al = conn minor 179 */ 180 #define APM_CONN_MINOR(regp) ((regp)->AX & 0xff) 181 #define APM_CONN_MAJOR(regp) (((regp)->AX & 0xff00) >> 8) 182 183 #define APM_PWR_MGT_ENGAGE 0x0F 184 /* device in %bx */ 185 #define APM_MGT_DISENGAGE 0x0 /* %cx */ 186 #define APM_MGT_ENGAGE 0x1 187 188 #define APM_GET_CAPABILITIES 0x10 189 /* device in %bx (APM_DEV_APM_BIOS) */ 190 /* %bl: number of batteries */ 191 #define APM_NBATTERIES(regp) ((regp)->BX & 0xff) 192 /* %cx capabilities */ 193 #define APM_GLOBAL_STANDBY 0x0001 194 #define APM_GLOBAL_SUSPEND 0x0002 195 #define APM_RTIMER_STANDBY 0x0004 /* resume timer wakes standby */ 196 #define APM_RTIMER_SUSPEND 0x0008 /* resume timer wakes suspend */ 197 #define APM_IRRING_SUSPEND 0x0010 /* internal ring wakes suspend */ 198 #define APM_IRRING_STANDBY 0x0020 /* internal ring wakes standby */ 199 #define APM_PCRING_SUSPEND 0x0040 /* pccard ring wakes suspend */ 200 #define APM_PCRING_STANDBY 0x0080 /* pccard ring wakes standby */ 201 202 #define APM_RESUME_TIMER_CTL 0x11 /* get/set/disable resume timer */ 203 /* device in %bx (APM_DEV_APM_BIOS) */ 204 /* function code in %cl */ 205 #define APM_RTIMER_DISABLE 0x00 206 #define APM_RTIMER_GET 0x01 207 #define APM_RTIMER_SET 0x02 208 /* if %cl = set, or %cl = get, then: */ 209 /* %ch: seconds */ 210 /* %dh: hours */ 211 /* %dl: minutes */ 212 /* %sih: month (bcd), %sil: day (bcd) */ 213 /* %di: year (bcd, 4 digits) */ 214 #define APM_RESUME_RING_CTL 0x12 215 /* device in %bx (APM_DEV_APM_BIOS) */ 216 /* %cx: function code */ 217 #define APM_RRING_DISABLE 0x0000 218 #define APM_RRING_ENABLE 0x0001 219 #define APM_RRING_GET 0x0002 220 /* returns state in %cx */ 221 #define APM_RRING_DISABLED 0x0000 222 #define APM_RRING_ENABLED 0x0001 223 224 #define APM_TIMER_REQS_CTL 0x13 225 /* device in %bx (APM_DEV_APM_BIOS) */ 226 /* %cx: function code */ 227 #define APM_TIMER_REQS_DISABLE 0x0000 228 #define APM_TIMER_REQS_ENABLE 0x0001 229 #define APM_TIMER_REQS_GET 0x0002 230 /* returns state in %cx */ 231 #define APM_TIMER_REQS_DISABLED 0x0000 232 #define APM_TIEMR_REQS_ENABLED 0x0001 233 234 #define APM_OEM 0x80 235 236 /* 237 * APM info word from the real-mode handler is adjusted to put 238 * major/minor version in low half and support bits in upper half. 239 */ 240 #define APM_MAJOR_VERS(info) (((info)&0xff00)>>8) 241 #define APM_MINOR_VERS(info) ((info)&0xff) 242 243 #define APM_16BIT_SUPPORTED (APM_16BIT_SUPPORT << 16) 244 #define APM_32BIT_SUPPORTED (APM_32BIT_SUPPORT << 16) 245 #define APM_IDLE_SLOWS (APM_CPUIDLE_SLOW << 16) 246 #define APM_BIOS_PM_DISABLED (APM_DISABLED << 16) 247 #define APM_BIOS_PM_DISENGAGED (APM_DISENGAGED << 16) 248 249 #endif /* __DEV_APM_APMBIOS_H__ */ 250