apm_bios.h revision 3264
1/* 2 * Advanced Power Management (APM) BIOS driver for laptop PCs. 3 * 4 * Copyright (c) 1994 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 * $Id$ 16 */ 17 18#ifndef _MACHINE_APM_BIOS_H_ 19#define _MACHINE_APM_BIOS_H_ 1 20 21#ifdef KERNEL 22 23/* BIOS id */ 24#define APM_BIOS 0x53 25#define SYSTEM_BIOS 0x15 26 27/* APM flags */ 28#define APM_16BIT_SUPPORT 0x01 29#define APM_32BIT_SUPPORT 0x02 30#define APM_CPUIDLE_SLOW 0x04 31#define APM_DISABLED 0x08 32#define APM_DISENGAGED 0x10 33 34/* APM initializer physical address */ 35#define APM_OURADDR 0x00080000 36 37/* Error code of APM initializer */ 38#define APMINI_CANTFIND 0xffffffff 39#define APMINI_NOT32BIT 0xfffffffe 40#define APMINI_CONNECTERR 0xfffffffd 41 42/* APM functions */ 43#define APM_INSTCHECK 0x00 44#define APM_REALCONNECT 0x01 45#define APM_PROT16CONNECT 0x02 46#define APM_PROT32CONNECT 0x03 47#define APM_DISCONNECT 0x04 48#define APM_CPUIDLE 0x05 49#define APM_CPUBUSY 0x06 50#define APM_SETPWSTATE 0x07 51#define APM_ENABLEDISABLEPM 0x08 52#define APM_RESTOREDEFAULT 0x09 53#define APM_GETPWSTATUS 0x0a 54#define APM_GETPMEVENT 0x0b 55#define APM_GETPWSTATE 0x0c 56#define APM_ENABLEDISABLEDPM 0x0d 57#define APM_DRVVERSION 0x0e 58#define APM_ENGAGEDISENGAGEPM 0x0f 59#define APM_OEMFUNC 0x80 60 61/* error code */ 62#define APME_OK 0x00 63#define APME_PMDISABLED 0x01 64#define APME_REALESTABLISHED 0x02 65#define APME_NOTCONNECTED 0x03 66#define APME_PROT16ESTABLISHED 0x05 67#define APME_PROT16NOTSUPPORTED 0x06 68#define APME_PROT32ESTABLISHED 0x07 69#define APME_PROT32NOTDUPPORTED 0x08 70#define APME_UNKNOWNDEVICEID 0x09 71#define APME_OUTOFRANGE 0x0a 72#define APME_NOTENGAGED 0x0b 73#define APME_CANTENTERSTATE 0x60 74#define APME_NOPMEVENT 0x80 75#define APME_NOAPMPRESENT 0x86 76 77 78/* device code */ 79#define PMDV_APMBIOS 0x0000 80#define PMDV_ALLDEV 0x0001 81#define PMDV_DISP0 0x0100 82#define PMDV_DISP1 0x0101 83#define PMDV_2NDSTORAGE0 0x0200 84#define PMDV_2NDSTORAGE1 0x0201 85#define PMDV_2NDSTORAGE2 0x0202 86#define PMDV_2NDSTORAGE3 0x0203 87#define PMDV_PARALLEL0 0x0300 88#define PMDV_PARALLEL1 0x0301 89#define PMDV_SERIAL0 0x0400 90#define PMDV_SERIAL1 0x0401 91#define PMDV_SERIAL2 0x0402 92#define PMDV_SERIAL3 0x0403 93#define PMDV_SERIAL4 0x0404 94#define PMDV_SERIAL5 0x0405 95#define PMDV_SERIAL6 0x0406 96#define PMDV_SERIAL7 0x0407 97#define PMDV_NET0 0x0500 98#define PMDV_NET1 0x0501 99#define PMDV_NET2 0x0502 100#define PMDV_NET3 0x0503 101#define PMDV_PCMCIA0 0x0600 102#define PMDV_PCMCIA1 0x0601 103#define PMDV_PCMCIA2 0x0602 104#define PMDV_PCMCIA3 0x0603 105/* 0x0700 - 0xdfff Reserved */ 106/* 0xe000 - 0xefff OEM-defined power device IDs */ 107/* 0xf000 - 0xffff Reserved */ 108 109/* Power state */ 110#define PMST_APMENABLED 0x0000 111#define PMST_STANDBY 0x0001 112#define PMST_SUSPEND 0x0002 113#define PMST_OFF 0x0003 114#define PMST_LASTREQNOTIFY 0x0004 115#define PMST_LASTREQREJECT 0x0005 116/* 0x0006 - 0x001f Reserved system states */ 117/* 0x0020 - 0x003f OEM-defined system states */ 118/* 0x0040 - 0x007f OEM-defined device states */ 119/* 0x0080 - 0xffff Reserved device states */ 120 121#if !defined(ASM) && !defined(INITIALIZER) 122 123/* C definitions */ 124typedef struct apm_hook_func { 125 struct apm_hook_func *next; /* Linked list */ 126 int (*func)(void); 127 const char *name; 128 int order; 129} *apm_hook_func_t; 130 131apm_hook_func_t apm_resume_hook_init(int (*func)(void), char *name, int order); 132void apm_resume_hook_delete(apm_hook_func_t delete_func); 133apm_hook_func_t apm_suspend_hook_init(int (*func)(void), char *name, int order); 134void apm_suspend_hook_delete(apm_hook_func_t delete_func); 135void apm_suspend_resume(void); 136void apm_cpu_idle(void); 137void apm_cpu_busy(void); 138 139#endif /* !ASM && !INITIALIZER */ 140 141#define APM_MIN_ORDER 0x00 142#define APM_MID_ORDER 0x80 143#define APM_MAX_ORDER 0xff 144 145#endif /* KERNEL */ 146 147/* power management event code */ 148#define PMEV_NOEVENT 0x0000 149#define PMEV_STANDBYREQ 0x0001 150#define PMEV_SUSPENDREQ 0x0002 151#define PMEV_NORMRESUME 0x0003 152#define PMEV_CRITRESUME 0x0004 153#define PMEV_BATTERYLOW 0x0005 154#define PMEV_POWERSTATECHANGE 0x0006 155#define PMEV_UPDATETIME 0x0007 156#define PMEV_CRITSUSPEND 0x0008 157#define PMEV_USERSTANDBYREQ 0x0009 158#define PMEV_USERSUSPENDREQ 0x000a 159#define PMEV_STANDBYRESUME 0x000b 160/* 0x000c - 0x00ff Reserved system events */ 161/* 0x0100 - 0x01ff Reserved device events */ 162/* 0x0200 - 0x02ff OEM-defined APM events */ 163/* 0x0300 - 0xffff Reserved */ 164#define PMEV_DEFAULT 0xffffffff /* used for customization */ 165 166#if !defined(ASM) && !defined(INITIALIZER) 167 168typedef struct apm_info { 169 u_int ai_major; /* APM major version */ 170 u_int ai_minor; /* APM minor version */ 171 u_int ai_acline; /* AC line status */ 172 u_int ai_batt_stat; /* Battery status */ 173 u_int ai_batt_life; /* Remaining battery life */ 174} *apm_info_t; 175 176typedef struct apm_eqv_event { 177 u_int aee_event; /* Event ID */ 178 u_int aee_equiv; /* Equivalent event ID */ 179 u_int aee_resume; /* Equivalent event ID when system resumes */ 180} *apm_eqv_event_t; 181 182#define APMIO_SUSPEND _IO('P', 1) 183#define APMIO_GETINFO _IOR('P', 2, struct apm_info) 184#define APMIO_DEFEQV _IOW('P', 3, struct apm_eqv_event) 185#define APMIO_FLUSHEQV _IO('P', 4) 186#define APMIO_ENABLE _IO('P', 5) 187#define APMIO_DISABLE _IO('P', 6) 188#define APMIO_HALTCPU _IO('P', 7) 189#define APMIO_NOTHALTCPU _IO('P', 8) 190 191#define APM_MAX_EQUIV_EVENTS 16 192 193#endif /* !ASM && !INITIALIZER */ 194 195#endif /* _MACHINE_APM_BIOS_H_ */ 196