Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/apm_bios.h
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1 /* 2 * APM (Advanced Power Management) BIOS Device Driver 3 * 4 * Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp> 5 * 6 * This software may be used, modified, copied, and distributed, in 7 * both source and binary form provided that the above copyright and 8 * these terms are retained. Under no circumstances is the author 9 * responsible for the proper functioning of this software, nor does 10 * the author assume any responsibility for damages incurred with its 11 * use. 12 * 13 * Aug, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD) 14 * 15 * $FreeBSD: releng/5.0/sys/i386/include/apm_bios.h 92761 2002-03-20 05:48:58Z alfred $ 16 */ 17 18 #ifndef _MACHINE_APM_BIOS_H_ 19 #define _MACHINE_APM_BIOS_H_ 20 21 #ifndef _KERNEL 22 #include <sys/types.h> 23 #endif 24 #include <sys/ioccom.h> 25 26 /* BIOS id */ 27 #ifdef PC98 28 #define APM_BIOS 0x9a 29 #define APM_INT 0x1f 30 #else 31 #define APM_BIOS 0x53 32 #define APM_INT 0x15 33 #endif 34 35 /* APM flags */ 36 #define APM_16BIT_SUPPORT 0x01 37 #define APM_32BIT_SUPPORT 0x02 38 #define APM_CPUIDLE_SLOW 0x04 39 #define APM_DISABLED 0x08 40 #define APM_DISENGAGED 0x10 41 42 /* APM initializer physical address */ 43 #define APM_OURADDR 0x00080000 44 45 /* APM functions */ 46 #define APM_INSTCHECK 0x00 47 #define APM_REALCONNECT 0x01 48 #define APM_PROT16CONNECT 0x02 49 #define APM_PROT32CONNECT 0x03 50 #define APM_DISCONNECT 0x04 51 #define APM_CPUIDLE 0x05 52 #define APM_CPUBUSY 0x06 53 #define APM_SETPWSTATE 0x07 54 #define APM_ENABLEDISABLEPM 0x08 55 #define APM_RESTOREDEFAULT 0x09 56 #ifdef PC98 57 #define APM_GETPWSTATUS 0x3a 58 #else 59 #define APM_GETPWSTATUS 0x0a 60 #endif 61 #define APM_GETPMEVENT 0x0b 62 #define APM_GETPWSTATE 0x0c 63 #define APM_ENABLEDISABLEDPM 0x0d 64 #ifdef PC98 65 #define APM_DRVVERSION 0x3e 66 #else 67 #define APM_DRVVERSION 0x0e 68 #endif 69 #define APM_ENGAGEDISENGAGEPM 0x0f 70 #define APM_GETCAPABILITIES 0x10 71 #define APM_RESUMETIMER 0x11 72 #define APM_RESUMEONRING 0x12 73 #define APM_TIMERREQUESTS 0x13 74 #define APM_OEMFUNC 0x80 75 76 /* error code */ 77 #define APME_OK 0x00 78 #define APME_PMDISABLED 0x01 79 #define APME_REALESTABLISHED 0x02 80 #define APME_NOTCONNECTED 0x03 81 #define APME_PROT16ESTABLISHED 0x05 82 #define APME_PROT16NOTSUPPORTED 0x06 83 #define APME_PROT32ESTABLISHED 0x07 84 #define APME_PROT32NOTDUPPORTED 0x08 85 #define APME_UNKNOWNDEVICEID 0x09 86 #define APME_OUTOFRANGE 0x0a 87 #define APME_NOTENGAGED 0x0b 88 #define APME_CANTENTERSTATE 0x60 89 #define APME_NOPMEVENT 0x80 90 #define APME_NOAPMPRESENT 0x86 91 92 93 /* device code */ 94 #define PMDV_APMBIOS 0x0000 95 #define PMDV_ALLDEV 0x0001 96 #define PMDV_DISP0 0x0100 97 #define PMDV_DISP1 0x0101 98 #define PMDV_DISPALL 0x01ff 99 #define PMDV_2NDSTORAGE0 0x0200 100 #define PMDV_2NDSTORAGE1 0x0201 101 #define PMDV_2NDSTORAGE2 0x0202 102 #define PMDV_2NDSTORAGE3 0x0203 103 #define PMDV_PARALLEL0 0x0300 104 #define PMDV_PARALLEL1 0x0301 105 #define PMDV_SERIAL0 0x0400 106 #define PMDV_SERIAL1 0x0401 107 #define PMDV_SERIAL2 0x0402 108 #define PMDV_SERIAL3 0x0403 109 #define PMDV_SERIAL4 0x0404 110 #define PMDV_SERIAL5 0x0405 111 #define PMDV_SERIAL6 0x0406 112 #define PMDV_SERIAL7 0x0407 113 #define PMDV_NET0 0x0500 114 #define PMDV_NET1 0x0501 115 #define PMDV_NET2 0x0502 116 #define PMDV_NET3 0x0503 117 #define PMDV_PCMCIA0 0x0600 118 #define PMDV_PCMCIA1 0x0601 119 #define PMDV_PCMCIA2 0x0602 120 #define PMDV_PCMCIA3 0x0603 121 /* 0x0700 - 0x7fff Reserved */ 122 #define PMDV_BATT_BASE 0x8000 123 #define PMDV_BATT0 0x8001 124 #define PMDV_BATT1 0x8002 125 #define PMDV_BATT_ALL 0x80ff 126 /* 0x8100 - 0xdfff Reserved */ 127 /* 0xe000 - 0xefff OEM-defined power device IDs */ 128 /* 0xf000 - 0xffff Reserved */ 129 130 /* Power state */ 131 #define PMST_APMENABLED 0x0000 132 #define PMST_STANDBY 0x0001 133 #define PMST_SUSPEND 0x0002 134 #define PMST_OFF 0x0003 135 #define PMST_LASTREQNOTIFY 0x0004 136 #define PMST_LASTREQREJECT 0x0005 137 /* 0x0006 - 0x001f Reserved system states */ 138 /* 0x0020 - 0x003f OEM-defined system states */ 139 /* 0x0040 - 0x007f OEM-defined device states */ 140 /* 0x0080 - 0xffff Reserved device states */ 141 142 #if !defined(ASSEMBLER) && !defined(INITIALIZER) 143 144 /* C definitions */ 145 struct apmhook { 146 struct apmhook *ah_next; 147 int (*ah_fun)(void *ah_arg); 148 void *ah_arg; 149 const char *ah_name; 150 int ah_order; 151 }; 152 #define APM_HOOK_NONE (-1) 153 #define APM_HOOK_SUSPEND 0 154 #define APM_HOOK_RESUME 1 155 #define NAPM_HOOK 2 156 157 #ifdef _KERNEL 158 159 void apm_suspend(int state); 160 struct apmhook *apm_hook_establish (int apmh, struct apmhook *); 161 void apm_hook_disestablish (int apmh, struct apmhook *); 162 void apm_cpu_idle(void); 163 void apm_cpu_busy(void); 164 165 #endif 166 167 #endif /* !ASSEMBLER && !INITIALIZER */ 168 169 #define APM_MIN_ORDER 0x00 170 #define APM_MID_ORDER 0x80 171 #define APM_MAX_ORDER 0xff 172 173 /* power management event code */ 174 #define PMEV_NOEVENT 0x0000 175 #define PMEV_STANDBYREQ 0x0001 176 #define PMEV_SUSPENDREQ 0x0002 177 #define PMEV_NORMRESUME 0x0003 178 #define PMEV_CRITRESUME 0x0004 179 #define PMEV_BATTERYLOW 0x0005 180 #define PMEV_POWERSTATECHANGE 0x0006 181 #define PMEV_UPDATETIME 0x0007 182 #define PMEV_CRITSUSPEND 0x0008 183 #define PMEV_USERSTANDBYREQ 0x0009 184 #define PMEV_USERSUSPENDREQ 0x000a 185 #define PMEV_STANDBYRESUME 0x000b 186 #define PMEV_CAPABILITIESCHANGE 0x000c 187 /* 0x000d - 0x00ff Reserved system events */ 188 /* 0x0100 - 0x01ff Reserved device events */ 189 /* 0x0200 - 0x02ff OEM-defined APM events */ 190 /* 0x0300 - 0xffff Reserved */ 191 #define PMEV_DEFAULT 0xffffffff /* used for customization */ 192 193 #if !defined(ASSEMBLER) && !defined(INITIALIZER) 194 195 /* 196 * Old apm_info structure, returned by the APMIO_GETINFO_OLD ioctl. This 197 * is for backward compatibility with old executables. 198 */ 199 typedef struct apm_info_old { 200 u_int ai_major; /* APM major version */ 201 u_int ai_minor; /* APM minor version */ 202 u_int ai_acline; /* AC line status */ 203 u_int ai_batt_stat; /* Battery status */ 204 u_int ai_batt_life; /* Remaining battery life */ 205 u_int ai_status; /* Status of APM support (enabled/disabled) */ 206 } *apm_info_old_t; 207 208 /* 209 * Structure returned by the APMIO_GETINFO ioctl. 210 * 211 * In the comments below, the parenthesized numbers indicate the minimum 212 * value of ai_infoversion for which each field is valid. 213 */ 214 typedef struct apm_info { 215 u_int ai_infoversion; /* Indicates which fields are valid */ 216 u_int ai_major; /* APM major version (0) */ 217 u_int ai_minor; /* APM minor version (0) */ 218 u_int ai_acline; /* AC line status (0) */ 219 u_int ai_batt_stat; /* Battery status (0) */ 220 u_int ai_batt_life; /* Remaining battery life in percent (0) */ 221 int ai_batt_time; /* Remaining battery time in seconds (0) */ 222 u_int ai_status; /* True if enabled (0) */ 223 u_int ai_batteries; /* Number of batteries (1) */ 224 u_int ai_capabilities;/* APM Capabilities (1) */ 225 u_int ai_spare[6]; /* For future expansion */ 226 } *apm_info_t; 227 228 /* Battery flag */ 229 #define APM_BATT_HIGH 0x01 230 #define APM_BATT_LOW 0x02 231 #define APM_BATT_CRITICAL 0x04 232 #define APM_BATT_CHARGING 0x08 233 #define APM_BATT_NOT_PRESENT 0x10 234 #define APM_BATT_NO_SYSTEM 0x80 235 236 typedef struct apm_pwstatus { 237 u_int ap_device; /* Device code of battery */ 238 u_int ap_acline; /* AC line status (0) */ 239 u_int ap_batt_stat; /* Battery status (0) */ 240 u_int ap_batt_flag; /* Battery flag (0) */ 241 u_int ap_batt_life; /* Remaining battery life in percent (0) */ 242 int ap_batt_time; /* Remaining battery time in seconds (0) */ 243 } *apm_pwstatus_t; 244 245 struct apm_bios_arg { 246 u_long eax; 247 u_long ebx; 248 u_long ecx; 249 u_long edx; 250 u_long esi; 251 u_long edi; 252 }; 253 254 struct apm_event_info { 255 u_int type; 256 u_int index; 257 u_int spare[8]; 258 }; 259 260 #define APMIO_SUSPEND _IO('P', 1) 261 #define APMIO_GETINFO_OLD _IOR('P', 2, struct apm_info_old) 262 #define APMIO_ENABLE _IO('P', 5) 263 #define APMIO_DISABLE _IO('P', 6) 264 #define APMIO_HALTCPU _IO('P', 7) 265 #define APMIO_NOTHALTCPU _IO('P', 8) 266 #define APMIO_DISPLAY _IOW('P', 9, int) 267 #define APMIO_BIOS _IOWR('P', 10, struct apm_bios_arg) 268 #define APMIO_GETINFO _IOR('P', 11, struct apm_info) 269 #define APMIO_STANDBY _IO('P', 12) 270 #define APMIO_GETPWSTATUS _IOWR('P', 13, struct apm_pwstatus) 271 /* for /dev/apmctl */ 272 #define APMIO_NEXTEVENT _IOR('A', 100, struct apm_event_info) 273 #define APMIO_REJECTLASTREQ _IO('P', 101) 274 275 #endif /* !ASSEMBLER && !INITIALIZER */ 276 277 #endif /* !_MACHINE_APM_BIOS_H_ */
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