apmvar.h revision 1.4
1 /* $NetBSD: apmvar.h,v 1.4 1996/09/10 11:22:35 jtk Exp $ */ 2 /* 3 * Copyright (c) 1995 John T. Kohl 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 * 29 */ 30 #ifndef __I386_APM_H__ 31 #define __I386_APM_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_CODE(regs) (((regs)->ax & 0xff00) >> 8) 50 #define APM_ERR_PM_DISABLED 0x01 51 #define APM_ERR_REALALREADY 0x02 52 #define APM_ERR_NOTCONN 0x03 53 #define APM_ERR_16ALREADY 0x05 54 #define APM_ERR_16NOTSUPP 0x06 55 #define APM_ERR_32ALREADY 0x07 56 #define APM_ERR_32NOTSUPP 0x08 57 #define APM_ERR_UNRECOG_DEV 0x09 58 #define APM_ERR_ERANGE 0x0A 59 #define APM_ERR_NOTENGAGED 0x0B 60 #define APM_ERR_UNABLE 0x60 61 #define APM_ERR_NOEVENTS 0x80 62 #define APM_ERR_NOT_PRESENT 0x86 63 64 #define APM_DEV_APM_BIOS 0x0000 65 #define APM_DEV_ALLDEVS 0x0001 66 /* device classes are high byte; device IDs go in low byte */ 67 #define APM_DEV_DISPLAY(x) (0x0100|((x)&0xff)) 68 #define APM_DEV_DISK(x) (0x0200|((x)&0xff)) 69 #define APM_DEV_PARALLEL(x) (0x0300|((x)&0xff)) 70 #define APM_DEV_SERIAL(x) (0x0400|((x)&0xff)) 71 #define APM_DEV_NETWORK(x) (0x0500|((x)&0xff)) 72 #define APM_DEV_PCMCIA(x) (0x0600|((x)&0xff)) 73 #define APM_DEV_ALLUNITS 0xff 74 75 #define APM_INSTALLATION_CHECK 0x00 /* int15 only */ 76 #define APM_INSTALL_SIGNATURE 0x504d /* %bh = 'P', %bl = 'M' */ 77 #define APM_REALMODE_CONNECT 0x01 /* int15 only */ 78 #define APM_16BIT_CONNECT 0x02 /* int15 only */ 79 #define APM_32BIT_CONNECT 0x03 /* int15 only */ 80 #define APM_DISCONNECT 0x04 /* %bx = APM_DEV_APM_BIOS */ 81 #define APM_CPU_IDLE 0x05 82 #define APM_CPU_BUSY 0x06 83 #define APM_SET_PWR_STATE 0x07 84 #define APM_SYS_READY 0x0000 /* %cx */ 85 #define APM_SYS_STANDBY 0x0001 86 #define APM_SYS_SUSPEND 0x0002 87 #define APM_SYS_OFF 0x0003 88 #define APM_LASTREQ_INPROG 0x0004 89 #define APM_LASTREQ_REJECTED 0x0005 90 91 /* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */ 92 /* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */ 93 94 #define APM_PWR_MGT_ENABLE 0x08 95 #define APM_MGT_ALL 0xffff /* %bx */ 96 #define APM_MGT_DISABLE 0x0 /* %cx */ 97 #define APM_MGT_ENABLE 0x1 98 99 #define APM_SYSTEM_DEFAULTS 0x09 100 #define APM_DEFAULTS_ALL 0xffff /* %bx */ 101 102 #define APM_POWER_STATUS 0x0a 103 #define APM_AC_OFF 0x00 104 #define APM_AC_ON 0x01 105 #define APM_AC_BACKUP 0x02 106 #define APM_AC_UNKNOWN 0xff 107 /* the first set of battery constants is 1.0 style values; 108 the second set is 1.1 style bit definitions */ 109 #define APM_BATT_HIGH 0x00 110 #define APM_BATT_LOW 0x01 111 #define APM_BATT_CRITICAL 0x02 112 #define APM_BATT_CHARGING 0x03 113 #define APM_BATT_ABSENT 0x04 /* Software only--not in spec! */ 114 #define APM_BATT_UNKNOWN 0xff 115 116 #define APM_BATT_FLAG_HIGH 0x01 117 #define APM_BATT_FLAG_LOW 0x02 118 #define APM_BATT_FLAG_CRITICAL 0x04 119 #define APM_BATT_FLAG_CHARGING 0x08 120 #define APM_BATT_FLAG_NOBATTERY 0x80 121 122 #define APM_BATT_LIFE_UNKNOWN 0xff 123 #define APM_BATT_STATE(regp) ((regp)->bx & 0xff) 124 #define APM_BATT_FLAGS(regp) (((regp)->cx & 0xff00) >> 8) 125 #define APM_AC_STATE(regp) (((regp)->bx & 0xff00) >> 8) 126 #define APM_BATT_LIFE(regp) ((regp)->cx & 0xff) /* in % */ 127 /* BATT_REMAINING returns minutes remaining */ 128 #define APM_BATT_REMAINING(regp) (((regp)->dx & 0x8000) ? \ 129 ((regp)->dx & 0x7fff) : \ 130 ((regp)->dx & 0x7fff)/60) 131 #define APM_BATT_REM_VALID(regp) (((regp)->dx & 0xffff) != 0xffff) 132 #define APM_GET_PM_EVENT 0x0b 133 #define APM_STANDBY_REQ 0x0001 /* %bx on return */ 134 #define APM_SUSPEND_REQ 0x0002 135 #define APM_NORMAL_RESUME 0x0003 136 #define APM_CRIT_RESUME 0x0004 /* suspend/resume happened 137 without us */ 138 #define APM_BATTERY_LOW 0x0005 139 #define APM_POWER_CHANGE 0x0006 140 #define APM_UPDATE_TIME 0x0007 141 #define APM_CRIT_SUSPEND_REQ 0x0008 142 #define APM_USER_STANDBY_REQ 0x0009 143 #define APM_USER_SUSPEND_REQ 0x000A 144 #define APM_SYS_STANDBY_RESUME 0x000B 145 146 #define APM_GET_POWER_STATE 0x0c 147 #define APM_DEVICE_MGMT_ENABLE 0x0d 148 149 #define APM_DRIVER_VERSION 0x0e 150 /* %bx should be DEV value (APM_DEV_APM_BIOS) 151 %ch = driver major vno 152 %cl = driver minor vno 153 return: %ah = conn major; %al = conn minor 154 */ 155 #define APM_CONN_MINOR(regp) ((regp)->ax & 0xff) 156 #define APM_CONN_MAJOR(regp) (((regp)->ax & 0xff00) >> 8) 157 158 #define APM_PWR_MGT_ENGAGE 0x0F 159 #define APM_MGT_DISENGAGE 0x0 /* %cx */ 160 #define APM_MGT_ENGAGE 0x1 161 162 #define APM_OEM 0x80 163 164 /* 165 * APM info word from the real-mode handler is adjusted to put 166 * major/minor version in low half and support bits in upper half. 167 */ 168 #define APM_MAJOR_VERS(info) (((info)&0xff00)>>8) 169 #define APM_MINOR_VERS(info) ((info)&0xff) 170 171 #define APM_16BIT_SUPPORTED (APM_16BIT_SUPPORT << 16) 172 #define APM_32BIT_SUPPORTED (APM_32BIT_SUPPORT << 16) 173 #define APM_IDLE_SLOWS (APM_CPUIDLE_SLOW << 16) 174 #define APM_BIOS_PM_DISABLED (APM_DISABLED << 16) 175 #define APM_BIOS_PM_DISENGAGED (APM_DISENGAGED << 16) 176 177 /* 178 * virtual & physical address of the trampoline 179 * that we use: page 1. 180 */ 181 #define APM_BIOSTRAMP NBPG 182 183 184 #ifndef _LOCORE 185 186 /* filled in by apmcall */ 187 struct apmregs { 188 u_short ax; 189 u_short bx; 190 u_short cx; 191 u_short dx; 192 u_short si; 193 u_short di; 194 u_short flags; 195 }; 196 197 struct apm_connect_info { 198 u_int apm_code32_seg_base; /* real-mode style segment selector */ 199 u_int apm_code16_seg_base; 200 u_int apm_data_seg_base; 201 u_int apm_entrypt; 202 u_short apm_segsel; /* segment selector for APM */ 203 u_short _pad1; 204 u_int apm_code32_seg_len; 205 u_int apm_data_seg_len; 206 u_int apm_detail; 207 }; 208 209 struct apm_event_info { 210 u_int type; 211 u_int index; 212 u_int spare[8]; 213 }; 214 215 struct apm_power_info { 216 u_char battery_state; 217 u_char ac_state; 218 u_char battery_life; 219 u_char spare1; 220 u_int minutes_left; /* estimate */ 221 u_int spare2[6]; 222 }; 223 224 struct apm_ctl { 225 u_int dev; 226 u_int mode; 227 }; 228 229 #define APM_IOC_REJECT _IOW('A', 0, struct apm_event_info) /* reject request # */ 230 #define APM_IOC_STANDBY _IO('A', 1) /* put system into standby */ 231 #define APM_IOC_SUSPEND _IO('A', 2) /* put system into suspend */ 232 #define APM_IOC_GETPOWER _IOR('A', 3, struct apm_power_info) /* fetch battery state */ 233 #define APM_IOC_NEXTEVENT _IOR('A', 4, struct apm_event_info) /* fetch event */ 234 #define APM_IOC_DEV_CTL _IOW('A', 5, struct apm_ctl) /* put device into mode */ 235 236 struct apm_attach_args { 237 char *aaa_busname; 238 }; 239 240 #ifdef _KERNEL 241 extern struct apm_connect_info apminfo; /* in locore */ 242 extern int apmpresent; 243 extern int apmcall __P((int function, struct apmregs *regs)); 244 extern void bioscall __P((int function, struct apmregs *regs)); 245 extern void apm_cpu_busy __P((void)); 246 extern void apm_cpu_idle __P((void)); 247 extern void apminit __P((void)); 248 int apm_set_powstate __P((u_int devid, u_int powstate)); 249 #endif /* _KERNEL */ 250 #endif /* _LOCORE */ 251 #endif /* __i386_apm_h__ */ 252
Indexes created Thu Sep 25 16:09:42 GMT 2025