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 * $Id: apm_bios.h,v 1.20 1998/07/06 06:29:05 imp Exp $ 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 SYSTEM_BIOS 0x1f 30 #else 31 #define APM_BIOS 0x53 32 #define SYSTEM_BIOS 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 /* Error code of APM initializer */ 46 #define APMINI_CANTFIND 0xffffffff 47 #define APMINI_NOT32BIT 0xfffffffe 48 #define APMINI_CONNECTERR 0xfffffffd 49 50 /* APM functions */ 51 #define APM_INSTCHECK 0x00 52 #define APM_REALCONNECT 0x01 53 #define APM_PROT16CONNECT 0x02 54 #define APM_PROT32CONNECT 0x03 55 #define APM_DISCONNECT 0x04 56 #define APM_CPUIDLE 0x05 57 #define APM_CPUBUSY 0x06 58 #define APM_SETPWSTATE 0x07 59 #define APM_ENABLEDISABLEPM 0x08 60 #define APM_RESTOREDEFAULT 0x09 61 #ifdef PC98 62 #define APM_GETPWSTATUS 0x3a 63 #else 64 #define APM_GETPWSTATUS 0x0a 65 #endif 66 #define APM_GETPMEVENT 0x0b 67 #define APM_GETPWSTATE 0x0c 68 #define APM_ENABLEDISABLEDPM 0x0d 69 #ifdef PC98 70 #define APM_DRVVERSION 0x3e 71 #else 72 #define APM_DRVVERSION 0x0e 73 #endif 74 #define APM_ENGAGEDISENGAGEPM 0x0f 75 #define APM_GETCAPABILITIES 0x10 76 #define APM_RESUMETIMER 0x11 77 #define APM_RESUMEONRING 0x12 78 #define APM_TIMERREQUESTS 0x13 79 #define APM_OEMFUNC 0x80 80 81 /* error code */ 82 #define APME_OK 0x00 83 #define APME_PMDISABLED 0x01 84 #define APME_REALESTABLISHED 0x02 85 #define APME_NOTCONNECTED 0x03 86 #define APME_PROT16ESTABLISHED 0x05 87 #define APME_PROT16NOTSUPPORTED 0x06 88 #define APME_PROT32ESTABLISHED 0x07 89 #define APME_PROT32NOTDUPPORTED 0x08 90 #define APME_UNKNOWNDEVICEID 0x09 91 #define APME_OUTOFRANGE 0x0a 92 #define APME_NOTENGAGED 0x0b 93 #define APME_CANTENTERSTATE 0x60 94 #define APME_NOPMEVENT 0x80 95 #define APME_NOAPMPRESENT 0x86 96 97 98 /* device code */ 99 #define PMDV_APMBIOS 0x0000 100 #define PMDV_ALLDEV 0x0001 101 #define PMDV_DISP0 0x0100 102 #define PMDV_DISP1 0x0101 103 #define PMDV_2NDSTORAGE0 0x0200 104 #define PMDV_2NDSTORAGE1 0x0201 105 #define PMDV_2NDSTORAGE2 0x0202 106 #define PMDV_2NDSTORAGE3 0x0203 107 #define PMDV_PARALLEL0 0x0300 108 #define PMDV_PARALLEL1 0x0301 109 #define PMDV_SERIAL0 0x0400 110 #define PMDV_SERIAL1 0x0401 111 #define PMDV_SERIAL2 0x0402 112 #define PMDV_SERIAL3 0x0403 113 #define PMDV_SERIAL4 0x0404 114 #define PMDV_SERIAL5 0x0405 115 #define PMDV_SERIAL6 0x0406 116 #define PMDV_SERIAL7 0x0407 117 #define PMDV_NET0 0x0500 118 #define PMDV_NET1 0x0501 119 #define PMDV_NET2 0x0502 120 #define PMDV_NET3 0x0503 121 #define PMDV_PCMCIA0 0x0600 122 #define PMDV_PCMCIA1 0x0601 123 #define PMDV_PCMCIA2 0x0602 124 #define PMDV_PCMCIA3 0x0603 125 /* 0x0700 - 0xdfff Reserved */ 126 /* 0xe000 - 0xefff OEM-defined power device IDs */ 127 /* 0xf000 - 0xffff Reserved */ 128 129 /* Power state */ 130 #define PMST_APMENABLED 0x0000 131 #define PMST_STANDBY 0x0001 132 #define PMST_SUSPEND 0x0002 133 #define PMST_OFF 0x0003 134 #define PMST_LASTREQNOTIFY 0x0004 135 #define PMST_LASTREQREJECT 0x0005 136 /* 0x0006 - 0x001f Reserved system states */ 137 /* 0x0020 - 0x003f OEM-defined system states */ 138 /* 0x0040 - 0x007f OEM-defined device states */ 139 /* 0x0080 - 0xffff Reserved device states */ 140 141 #if !defined(ASSEMBLER) && !defined(INITIALIZER) 142 143 /* C definitions */ 144 struct apmhook { 145 struct apmhook *ah_next; 146 int (*ah_fun) __P((void *ah_arg)); 147 void *ah_arg; 148 const char *ah_name; 149 int ah_order; 150 }; 151 #define APM_HOOK_NONE (-1) 152 #define APM_HOOK_SUSPEND 0 153 #define APM_HOOK_RESUME 1 154 #define NAPM_HOOK 2 155 156 #ifdef KERNEL 157 158 void apm_suspend(int state); 159 struct apmhook *apm_hook_establish (int apmh, struct apmhook *); 160 void apm_hook_disestablish (int apmh, struct apmhook *); 161 void apm_cpu_idle(void); 162 void apm_cpu_busy(void); 163 164 #endif /* KERNEL */ 165 166 #endif /* !ASSEMBLER && !INITIALIZER */ 167 168 #define APM_MIN_ORDER 0x00 169 #define APM_MID_ORDER 0x80 170 #define APM_MAX_ORDER 0xff 171 172 /* power management event code */ 173 #define PMEV_NOEVENT 0x0000 174 #define PMEV_STANDBYREQ 0x0001 175 #define PMEV_SUSPENDREQ 0x0002 176 #define PMEV_NORMRESUME 0x0003 177 #define PMEV_CRITRESUME 0x0004 178 #define PMEV_BATTERYLOW 0x0005 179 #define PMEV_POWERSTATECHANGE 0x0006 180 #define PMEV_UPDATETIME 0x0007 181 #define PMEV_CRITSUSPEND 0x0008 182 #define PMEV_USERSTANDBYREQ 0x0009 183 #define PMEV_USERSUSPENDREQ 0x000a 184 #define PMEV_STANDBYRESUME 0x000b 185 #define PMEV_CAPABILITIESCHANGE 0x000c 186 /* 0x000d - 0x00ff Reserved system events */ 187 /* 0x0100 - 0x01ff Reserved device events */ 188 /* 0x0200 - 0x02ff OEM-defined APM events */ 189 /* 0x0300 - 0xffff Reserved */ 190 #define PMEV_DEFAULT 0xffffffff /* used for customization */ 191 192 #if !defined(ASSEMBLER) && !defined(INITIALIZER) 193 194 /* 195 * Old apm_info structure, returned by the APMIO_GETINFO_OLD ioctl. This 196 * is for backward compatibility with old executables. 197 */ 198 typedef struct apm_info_old { 199 u_int ai_major; /* APM major version */ 200 u_int ai_minor; /* APM minor version */ 201 u_int ai_acline; /* AC line status */ 202 u_int ai_batt_stat; /* Battery status */ 203 u_int ai_batt_life; /* Remaining battery life */ 204 u_int ai_status; /* Status of APM support (enabled/disabled) */ 205 } *apm_info_old_t; 206 207 /* 208 * Structure returned by the APMIO_GETINFO ioctl. 209 * 210 * In the comments below, the parenthesized numbers indicate the minimum 211 * value of ai_infoversion for which each field is valid. 212 */ 213 typedef struct apm_info { 214 u_int ai_infoversion; /* Indicates which fields are valid */ 215 u_int ai_major; /* APM major version (0) */ 216 u_int ai_minor; /* APM minor version (0) */ 217 u_int ai_acline; /* AC line status (0) */ 218 u_int ai_batt_stat; /* Battery status (0) */ 219 u_int ai_batt_life; /* Remaining battery life in percent (0) */ 220 int ai_batt_time; /* Remaining battery time in seconds (0) */ 221 u_int ai_status; /* True if enabled (0) */ 222 u_int ai_batteries; /* Number of batteries (1) */ 223 u_int ai_capabilities;/* APM Capabilities (1) */ 224 u_int ai_spare[6]; /* For future expansion */ 225 } *apm_info_t; 226 227 struct apm_bios_arg { 228 u_long eax; 229 u_long ebx; 230 u_long ecx; 231 u_long edx; 232 u_long esi; 233 u_long edi; 234 }; 235 236 #define APMIO_SUSPEND _IO('P', 1) 237 #define APMIO_GETINFO_OLD _IOR('P', 2, struct apm_info_old) 238 #define APMIO_ENABLE _IO('P', 5) 239 #define APMIO_DISABLE _IO('P', 6) 240 #define APMIO_HALTCPU _IO('P', 7) 241 #define APMIO_NOTHALTCPU _IO('P', 8) 242 #define APMIO_DISPLAY _IOW('P', 9, int) 243 #define APMIO_BIOS _IOWR('P', 10, struct apm_bios_arg) 244 #define APMIO_GETINFO _IOR('P', 11, struct apm_info) 245 #define APMIO_STANDBY _IO('P', 12) 246 247 #endif /* !ASSEMBLER && !INITIALIZER */ 248 249 #endif /* !_MACHINE_APM_BIOS_H_ */ 250