1 /* $NetBSD: apmvar.h,v 1.9 1999/08/17 19:05:53 drochner 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 __I386_APM_H__ 38 #define __I386_APM_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_CODE(regs) (((regs)->AX & 0xff00) >> 8) 57 #define APM_ERR_PM_DISABLED 0x01 58 #define APM_ERR_REALALREADY 0x02 59 #define APM_ERR_NOTCONN 0x03 60 #define APM_ERR_16ALREADY 0x05 61 #define APM_ERR_16NOTSUPP 0x06 62 #define APM_ERR_32ALREADY 0x07 63 #define APM_ERR_32NOTSUPP 0x08 64 #define APM_ERR_UNRECOG_DEV 0x09 65 #define APM_ERR_ERANGE 0x0A 66 #define APM_ERR_NOTENGAGED 0x0B 67 #define APM_ERR_EOPNOTSUPP 0x0C 68 #define APM_ERR_RTIMER_DISABLED 0x0D 69 #define APM_ERR_UNABLE 0x60 70 #define APM_ERR_NOEVENTS 0x80 71 #define APM_ERR_NOT_PRESENT 0x86 72 73 #define APM_DEV_APM_BIOS 0x0000 74 #define APM_DEV_ALLDEVS 0x0001 75 /* device classes are high byte; device IDs go in low byte */ 76 #define APM_DEV_DISPLAY(x) (0x0100|((x)&0xff)) 77 #define APM_DEV_DISK(x) (0x0200|((x)&0xff)) 78 #define APM_DEV_PARALLEL(x) (0x0300|((x)&0xff)) 79 #define APM_DEV_SERIAL(x) (0x0400|((x)&0xff)) 80 #define APM_DEV_NETWORK(x) (0x0500|((x)&0xff)) 81 #define APM_DEV_PCMCIA(x) (0x0600|((x)&0xff)) 82 #define APM_DEV_BATTERY(x) (0x8000|((x)&0xff)) /* V1.2 */ 83 #define APM_DEV_ALLUNITS 0xff 84 85 #define APM_INSTALLATION_CHECK 0x00 /* int15 only */ 86 #define APM_INSTALL_SIGNATURE 0x504d /* %bh = 'P', %bl = 'M' */ 87 #define APM_REALMODE_CONNECT 0x01 /* int15 only */ 88 #define APM_16BIT_CONNECT 0x02 /* int15 only */ 89 #define APM_32BIT_CONNECT 0x03 /* int15 only */ 90 #define APM_DISCONNECT 0x04 /* %bx = APM_DEV_APM_BIOS */ 91 #define APM_CPU_IDLE 0x05 92 #define APM_CPU_BUSY 0x06 93 #define APM_SET_PWR_STATE 0x07 94 #define APM_SYS_READY 0x0000 /* %cx */ 95 #define APM_SYS_STANDBY 0x0001 96 #define APM_SYS_SUSPEND 0x0002 97 #define APM_SYS_OFF 0x0003 98 #define APM_LASTREQ_INPROG 0x0004 99 #define APM_LASTREQ_REJECTED 0x0005 100 101 /* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */ 102 /* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */ 103 104 #define APM_PWR_MGT_ENABLE 0x08 105 #define APM_MGT_ALL 0xffff /* %bx */ 106 #define APM_MGT_DISABLE 0x0 /* %cx */ 107 #define APM_MGT_ENABLE 0x1 108 109 #define APM_SYSTEM_DEFAULTS 0x09 110 #define APM_DEFAULTS_ALL 0xffff /* %bx */ 111 #define APM_DEFAULTS_ALL_V12 0x0001 /* %bx */ 112 113 #define APM_POWER_STATUS 0x0a 114 #define APM_AC_OFF 0x00 115 #define APM_AC_ON 0x01 116 #define APM_AC_BACKUP 0x02 117 #define APM_AC_UNKNOWN 0xff 118 /* the first set of battery constants is 1.0 style values; 119 the second set is 1.1 style bit definitions */ 120 #define APM_BATT_HIGH 0x00 121 #define APM_BATT_LOW 0x01 122 #define APM_BATT_CRITICAL 0x02 123 #define APM_BATT_CHARGING 0x03 124 #define APM_BATT_ABSENT 0x04 /* Software only--not in spec! */ 125 #define APM_BATT_UNKNOWN 0xff 126 127 #define APM_BATT_FLAG_HIGH 0x01 128 #define APM_BATT_FLAG_LOW 0x02 129 #define APM_BATT_FLAG_CRITICAL 0x04 130 #define APM_BATT_FLAG_CHARGING 0x08 131 #define APM_BATT_FLAG_NOBATTERY 0x10 132 #define APM_BATT_FLAG_NO_SYSTEM_BATTERY 0x80 133 #define APM_BATT_FLAG_UNKNOWN 0xff 134 135 #define APM_BATT_LIFE_UNKNOWN 0xff 136 #define APM_BATT_STATE(regp) ((regp)->BX & 0xff) 137 #define APM_BATT_FLAGS(regp) (((regp)->CX & 0xff00) >> 8) 138 #define APM_AC_STATE(regp) (((regp)->BX & 0xff00) >> 8) 139 #define APM_BATT_LIFE(regp) ((regp)->CX & 0xff) /* in % */ 140 /* BATT_REMAINING returns minutes remaining */ 141 #define APM_BATT_REMAINING(regp) (((regp)->DX & 0x8000) ? \ 142 ((regp)->DX & 0x7fff) : \ 143 ((regp)->DX & 0x7fff)/60) 144 #define APM_BATT_REM_VALID(regp) (((regp)->DX & 0xffff) != 0xffff) 145 #define APM_BATTERY_COUNT(regp) ((regp)->SI) 146 147 #define APM_GET_PM_EVENT 0x0b 148 #define APM_STANDBY_REQ 0x0001 /* %bx on return */ 149 #define APM_SUSPEND_REQ 0x0002 150 #define APM_NORMAL_RESUME 0x0003 151 #define APM_CRIT_RESUME 0x0004 /* suspend/resume happened 152 without us */ 153 /* If set, the pccard sockets were powered off in the 154 suspend/standby state (V1.2 only) */ 155 #define APM_PCCARD_POWEREDOFF(regp) ((regp)->CX & 0x0001) 156 157 #define APM_BATTERY_LOW 0x0005 158 #define APM_POWER_CHANGE 0x0006 159 #define APM_UPDATE_TIME 0x0007 160 #define APM_CRIT_SUSPEND_REQ 0x0008 161 #define APM_USER_STANDBY_REQ 0x0009 162 #define APM_USER_SUSPEND_REQ 0x000A 163 #define APM_SYS_STANDBY_RESUME 0x000B 164 #define APM_CAP_CHANGE 0x000C /* V1.2 */ 165 166 #define APM_GET_POWER_STATE 0x0c 167 /* device to query in %bx */ 168 /* returns power states in %cx */ 169 #define APM_DEVICE_MGMT_ENABLE 0x0d 170 /* device to enable/disable in %bx */ 171 172 #define APM_DRIVER_VERSION 0x0e 173 /* %bx should be DEV value (APM_DEV_APM_BIOS) 174 %ch = driver major vno 175 %cl = driver minor vno 176 return: %ah = conn major; %al = conn minor 177 */ 178 #define APM_CONN_MINOR(regp) ((regp)->AX & 0xff) 179 #define APM_CONN_MAJOR(regp) (((regp)->AX & 0xff00) >> 8) 180 181 #define APM_PWR_MGT_ENGAGE 0x0F 182 /* device in %bx */ 183 #define APM_MGT_DISENGAGE 0x0 /* %cx */ 184 #define APM_MGT_ENGAGE 0x1 185 186 #define APM_GET_CAPABILITIES 0x10 187 /* device in %bx (APM_DEV_APM_BIOS) */ 188 /* %bl: number of batteries */ 189 #define APM_NBATTERIES(regp) ((regp)->BX & 0xff) 190 /* %cx capabilities */ 191 #define APM_GLOBAL_STANDBY 0x0001 192 #define APM_GLOBAL_SUSPEND 0x0002 193 #define APM_RTIMER_STANDBY 0x0004 /* resume timer wakes standby */ 194 #define APM_RTIMER_SUSPEND 0x0008 /* resume timer wakes suspend */ 195 #define APM_IRRING_SUSPEND 0x0010 /* internal ring wakes suspend */ 196 #define APM_IRRING_STANDBY 0x0020 /* internal ring wakes standby */ 197 #define APM_PCRING_SUSPEND 0x0040 /* pccard ring wakes suspend */ 198 #define APM_PCRING_STANDBY 0x0080 /* pccard ring wakes standby */ 199 200 #define APM_RESUME_TIMER_CTL 0x11 /* get/set/disable resume timer */ 201 /* device in %bx (APM_DEV_APM_BIOS) */ 202 /* function code in %cl */ 203 #define APM_RTIMER_DISABLE 0x00 204 #define APM_RTIMER_GET 0x01 205 #define APM_RTIMER_SET 0x02 206 /* if %cl = set, or %cl = get, then: */ 207 /* %ch: seconds */ 208 /* %dh: hours */ 209 /* %dl: minutes */ 210 /* %sih: month (bcd), %sil: day (bcd) */ 211 /* %di: year (bcd, 4 digits) */ 212 #define APM_RESUME_RING_CTL 0x12 213 /* device in %bx (APM_DEV_APM_BIOS) */ 214 /* %cx: function code */ 215 #define APM_RRING_DISABLE 0x0000 216 #define APM_RRING_ENABLE 0x0001 217 #define APM_RRING_GET 0x0002 218 /* returns state in %cx */ 219 #define APM_RRING_DISABLED 0x0000 220 #define APM_RRING_ENABLED 0x0001 221 222 #define APM_TIMER_REQS_CTL 0x13 223 /* device in %bx (APM_DEV_APM_BIOS) */ 224 /* %cx: function code */ 225 #define APM_TIMER_REQS_DISABLE 0x0000 226 #define APM_TIMER_REQS_ENABLE 0x0001 227 #define APM_TIMER_REQS_GET 0x0002 228 /* returns state in %cx */ 229 #define APM_TIMER_REQS_DISABLED 0x0000 230 #define APM_TIEMR_REQS_ENABLED 0x0001 231 232 #define APM_OEM 0x80 233 234 /* 235 * APM info word from the real-mode handler is adjusted to put 236 * major/minor version in low half and support bits in upper half. 237 */ 238 #define APM_MAJOR_VERS(info) (((info)&0xff00)>>8) 239 #define APM_MINOR_VERS(info) ((info)&0xff) 240 241 #define APM_16BIT_SUPPORTED (APM_16BIT_SUPPORT << 16) 242 #define APM_32BIT_SUPPORTED (APM_32BIT_SUPPORT << 16) 243 #define APM_IDLE_SLOWS (APM_CPUIDLE_SLOW << 16) 244 #define APM_BIOS_PM_DISABLED (APM_DISABLED << 16) 245 #define APM_BIOS_PM_DISENGAGED (APM_DISENGAGED << 16) 246 247 /* 248 * virtual & physical address of the trampoline 249 * that we use: page 1. 250 */ 251 #define APM_BIOSTRAMP NBPG 252 253 254 #ifndef _LOCORE 255 256 /* filled in by apmcall */ 257 258 struct apm_connect_info { 259 u_int apm_code32_seg_base; /* real-mode style segment selector */ 260 u_int apm_code16_seg_base; 261 u_int apm_data_seg_base; 262 u_int apm_entrypt; 263 u_short apm_segsel; /* segment selector for APM */ 264 u_short _pad1; 265 u_int apm_code32_seg_len; 266 u_int apm_code16_seg_len; 267 u_int apm_data_seg_len; 268 u_int apm_detail; 269 }; 270 271 struct apm_event_info { 272 u_int type; 273 u_int index; 274 u_int spare[8]; 275 }; 276 277 struct apm_power_info { 278 u_char battery_state; 279 u_char ac_state; 280 u_char battery_life; 281 u_char spare1; 282 u_int minutes_left; /* estimate */ 283 u_int spare2[6]; 284 }; 285 286 struct apm_ctl { 287 u_int dev; 288 u_int mode; 289 }; 290 291 #define APM_IOC_REJECT _IOW('A', 0, struct apm_event_info) /* reject request # */ 292 #define APM_IOC_STANDBY _IO('A', 1) /* put system into standby */ 293 #define APM_IOC_SUSPEND _IO('A', 2) /* put system into suspend */ 294 #define APM_IOC_GETPOWER _IOR('A', 3, struct apm_power_info) /* fetch battery state */ 295 #define APM_IOC_NEXTEVENT _IOR('A', 4, struct apm_event_info) /* fetch event */ 296 #if 0 297 #define APM_IOC_DEV_CTL _IOW('A', 5, struct apm_ctl) /* put device into mode */ 298 #endif 299 300 struct apm_attach_args { 301 char *aaa_busname; 302 }; 303 304 #ifdef _KERNEL 305 extern struct apm_connect_info apminfo; /* in locore */ 306 extern int apmpresent; 307 extern int apmcall __P((int function, struct bioscallregs *regs)); 308 extern void bioscall __P((int function, struct bioscallregs *regs)); 309 extern void apm_cpu_busy __P((void)); 310 extern void apm_cpu_idle __P((void)); 311 extern void apminit __P((void)); 312 int apm_set_powstate __P((u_int devid, u_int powstate)); 313 extern int apm_busprobe __P((void)); 314 #endif /* _KERNEL */ 315 #endif /* _LOCORE */ 316 #endif /* __i386_apm_h__ */ 317