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 * $FreeBSD$ 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_2NDSTORAGE0 0x0200 99 #define PMDV_2NDSTORAGE1 0x0201 100 #define PMDV_2NDSTORAGE2 0x0202 101 #define PMDV_2NDSTORAGE3 0x0203 102 #define PMDV_PARALLEL0 0x0300 103 #define PMDV_PARALLEL1 0x0301 104 #define PMDV_SERIAL0 0x0400 105 #define PMDV_SERIAL1 0x0401 106 #define PMDV_SERIAL2 0x0402 107 #define PMDV_SERIAL3 0x0403 108 #define PMDV_SERIAL4 0x0404 109 #define PMDV_SERIAL5 0x0405 110 #define PMDV_SERIAL6 0x0406 111 #define PMDV_SERIAL7 0x0407 112 #define PMDV_NET0 0x0500 113 #define PMDV_NET1 0x0501 114 #define PMDV_NET2 0x0502 115 #define PMDV_NET3 0x0503 116 #define PMDV_PCMCIA0 0x0600 117 #define PMDV_PCMCIA1 0x0601 118 #define PMDV_PCMCIA2 0x0602 119 #define PMDV_PCMCIA3 0x0603 120 /* 0x0700 - 0xdfff Reserved */ 121 /* 0xe000 - 0xefff OEM-defined power device IDs */ 122 /* 0xf000 - 0xffff Reserved */ 123 124 /* Power state */ 125 #define PMST_APMENABLED 0x0000 126 #define PMST_STANDBY 0x0001 127 #define PMST_SUSPEND 0x0002 128 #define PMST_OFF 0x0003 129 #define PMST_LASTREQNOTIFY 0x0004 130 #define PMST_LASTREQREJECT 0x0005 131 /* 0x0006 - 0x001f Reserved system states */ 132 /* 0x0020 - 0x003f OEM-defined system states */ 133 /* 0x0040 - 0x007f OEM-defined device states */ 134 /* 0x0080 - 0xffff Reserved device states */ 135 136 #if !defined(ASSEMBLER) && !defined(INITIALIZER) 137 138 /* C definitions */ 139 struct apmhook { 140 struct apmhook *ah_next; 141 int (*ah_fun) __P((void *ah_arg)); 142 void *ah_arg; 143 const char *ah_name; 144 int ah_order; 145 }; 146 #define APM_HOOK_NONE (-1) 147 #define APM_HOOK_SUSPEND 0 148 #define APM_HOOK_RESUME 1 149 #define NAPM_HOOK 2 150 151 #ifdef KERNEL 152 153 void apm_suspend(int state); 154 struct apmhook *apm_hook_establish (int apmh, struct apmhook *); 155 void apm_hook_disestablish (int apmh, struct apmhook *); 156 void apm_cpu_idle(void); 157 void apm_cpu_busy(void); 158 159 #endif /* KERNEL */ 160 161 #endif /* !ASSEMBLER && !INITIALIZER */ 162 163 #define APM_MIN_ORDER 0x00 164 #define APM_MID_ORDER 0x80 165 #define APM_MAX_ORDER 0xff 166 167 /* power management event code */ 168 #define PMEV_NOEVENT 0x0000 169 #define PMEV_STANDBYREQ 0x0001 170 #define PMEV_SUSPENDREQ 0x0002 171 #define PMEV_NORMRESUME 0x0003 172 #define PMEV_CRITRESUME 0x0004 173 #define PMEV_BATTERYLOW 0x0005 174 #define PMEV_POWERSTATECHANGE 0x0006 175 #define PMEV_UPDATETIME 0x0007 176 #define PMEV_CRITSUSPEND 0x0008 177 #define PMEV_USERSTANDBYREQ 0x0009 178 #define PMEV_USERSUSPENDREQ 0x000a 179 #define PMEV_STANDBYRESUME 0x000b 180 #define PMEV_CAPABILITIESCHANGE 0x000c 181 /* 0x000d - 0x00ff Reserved system events */ 182 /* 0x0100 - 0x01ff Reserved device events */ 183 /* 0x0200 - 0x02ff OEM-defined APM events */ 184 /* 0x0300 - 0xffff Reserved */ 185 #define PMEV_DEFAULT 0xffffffff /* used for customization */ 186 187 #if !defined(ASSEMBLER) && !defined(INITIALIZER) 188 189 /* 190 * Old apm_info structure, returned by the APMIO_GETINFO_OLD ioctl. This 191 * is for backward compatibility with old executables. 192 */ 193 typedef struct apm_info_old { 194 u_int ai_major; /* APM major version */ 195 u_int ai_minor; /* APM minor version */ 196 u_int ai_acline; /* AC line status */ 197 u_int ai_batt_stat; /* Battery status */ 198 u_int ai_batt_life; /* Remaining battery life */ 199 u_int ai_status; /* Status of APM support (enabled/disabled) */ 200 } *apm_info_old_t; 201 202 /* 203 * Structure returned by the APMIO_GETINFO ioctl. 204 * 205 * In the comments below, the parenthesized numbers indicate the minimum 206 * value of ai_infoversion for which each field is valid. 207 */ 208 typedef struct apm_info { 209 u_int ai_infoversion; /* Indicates which fields are valid */ 210 u_int ai_major; /* APM major version (0) */ 211 u_int ai_minor; /* APM minor version (0) */ 212 u_int ai_acline; /* AC line status (0) */ 213 u_int ai_batt_stat; /* Battery status (0) */ 214 u_int ai_batt_life; /* Remaining battery life in percent (0) */ 215 int ai_batt_time; /* Remaining battery time in seconds (0) */ 216 u_int ai_status; /* True if enabled (0) */ 217 u_int ai_batteries; /* Number of batteries (1) */ 218 u_int ai_capabilities;/* APM Capabilities (1) */ 219 u_int ai_spare[6]; /* For future expansion */ 220 } *apm_info_t; 221 222 struct apm_bios_arg { 223 u_long eax; 224 u_long ebx; 225 u_long ecx; 226 u_long edx; 227 u_long esi; 228 u_long edi; 229 }; 230 231 struct apm_event_info { 232 u_int type; 233 u_int index; 234 u_int spare[8]; 235 }; 236 237 #define APMIO_SUSPEND _IO('P', 1) 238 #define APMIO_GETINFO_OLD _IOR('P', 2, struct apm_info_old) 239 #define APMIO_ENABLE _IO('P', 5) 240 #define APMIO_DISABLE _IO('P', 6) 241 #define APMIO_HALTCPU _IO('P', 7) 242 #define APMIO_NOTHALTCPU _IO('P', 8) 243 #define APMIO_DISPLAY _IOW('P', 9, int) 244 #define APMIO_BIOS _IOWR('P', 10, struct apm_bios_arg) 245 #define APMIO_GETINFO _IOR('P', 11, struct apm_info) 246 #define APMIO_STANDBY _IO('P', 12) 247 /* for /dev/apmctl */ 248 #define APMIO_NEXTEVENT _IOR('A', 100, struct apm_event_info) 249 #define APMIO_REJECTLASTREQ _IO('P', 101) 250 251 #endif /* !ASSEMBLER && !INITIALIZER */ 252 253 #endif /* !_MACHINE_APM_BIOS_H_ */ 254