278 lines
7.7 KiB
C
278 lines
7.7 KiB
C
/*
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* APM (Advanced Power Management) BIOS Device Driver
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*
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* Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
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*
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* This software may be used, modified, copied, and distributed, in
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* both source and binary form provided that the above copyright and
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* these terms are retained. Under no circumstances is the author
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* responsible for the proper functioning of this software, nor does
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* the author assume any responsibility for damages incurred with its
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* use.
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*
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* Aug, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_APM_BIOS_H_
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#define _MACHINE_APM_BIOS_H_
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#ifndef _KERNEL
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#include <sys/types.h>
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#endif
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#include <sys/ioccom.h>
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/* BIOS id */
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#ifdef PC98
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#define APM_BIOS 0x9a
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#define APM_INT 0x1f
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#else
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#define APM_BIOS 0x53
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#define APM_INT 0x15
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#endif
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/* APM flags */
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#define APM_16BIT_SUPPORT 0x01
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#define APM_32BIT_SUPPORT 0x02
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#define APM_CPUIDLE_SLOW 0x04
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#define APM_DISABLED 0x08
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#define APM_DISENGAGED 0x10
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/* APM initializer physical address */
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#define APM_OURADDR 0x00080000
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/* APM functions */
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#define APM_INSTCHECK 0x00
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#define APM_REALCONNECT 0x01
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#define APM_PROT16CONNECT 0x02
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#define APM_PROT32CONNECT 0x03
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#define APM_DISCONNECT 0x04
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#define APM_CPUIDLE 0x05
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#define APM_CPUBUSY 0x06
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#define APM_SETPWSTATE 0x07
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#define APM_ENABLEDISABLEPM 0x08
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#define APM_RESTOREDEFAULT 0x09
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#ifdef PC98
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#define APM_GETPWSTATUS 0x3a
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#else
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#define APM_GETPWSTATUS 0x0a
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#endif
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#define APM_GETPMEVENT 0x0b
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#define APM_GETPWSTATE 0x0c
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#define APM_ENABLEDISABLEDPM 0x0d
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#ifdef PC98
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#define APM_DRVVERSION 0x3e
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#else
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#define APM_DRVVERSION 0x0e
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#endif
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#define APM_ENGAGEDISENGAGEPM 0x0f
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#define APM_GETCAPABILITIES 0x10
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#define APM_RESUMETIMER 0x11
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#define APM_RESUMEONRING 0x12
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#define APM_TIMERREQUESTS 0x13
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#define APM_OEMFUNC 0x80
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/* error code */
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#define APME_OK 0x00
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#define APME_PMDISABLED 0x01
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#define APME_REALESTABLISHED 0x02
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#define APME_NOTCONNECTED 0x03
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#define APME_PROT16ESTABLISHED 0x05
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#define APME_PROT16NOTSUPPORTED 0x06
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#define APME_PROT32ESTABLISHED 0x07
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#define APME_PROT32NOTDUPPORTED 0x08
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#define APME_UNKNOWNDEVICEID 0x09
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#define APME_OUTOFRANGE 0x0a
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#define APME_NOTENGAGED 0x0b
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#define APME_CANTENTERSTATE 0x60
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#define APME_NOPMEVENT 0x80
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#define APME_NOAPMPRESENT 0x86
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/* device code */
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#define PMDV_APMBIOS 0x0000
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#define PMDV_ALLDEV 0x0001
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#define PMDV_DISP0 0x0100
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#define PMDV_DISP1 0x0101
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#define PMDV_DISPALL 0x01ff
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#define PMDV_2NDSTORAGE0 0x0200
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#define PMDV_2NDSTORAGE1 0x0201
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#define PMDV_2NDSTORAGE2 0x0202
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#define PMDV_2NDSTORAGE3 0x0203
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#define PMDV_PARALLEL0 0x0300
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#define PMDV_PARALLEL1 0x0301
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#define PMDV_SERIAL0 0x0400
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#define PMDV_SERIAL1 0x0401
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#define PMDV_SERIAL2 0x0402
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#define PMDV_SERIAL3 0x0403
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#define PMDV_SERIAL4 0x0404
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#define PMDV_SERIAL5 0x0405
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#define PMDV_SERIAL6 0x0406
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#define PMDV_SERIAL7 0x0407
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#define PMDV_NET0 0x0500
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#define PMDV_NET1 0x0501
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#define PMDV_NET2 0x0502
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#define PMDV_NET3 0x0503
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#define PMDV_PCMCIA0 0x0600
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#define PMDV_PCMCIA1 0x0601
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#define PMDV_PCMCIA2 0x0602
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#define PMDV_PCMCIA3 0x0603
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/* 0x0700 - 0x7fff Reserved */
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#define PMDV_BATT_BASE 0x8000
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#define PMDV_BATT0 0x8001
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#define PMDV_BATT1 0x8002
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#define PMDV_BATT_ALL 0x80ff
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/* 0x8100 - 0xdfff Reserved */
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/* 0xe000 - 0xefff OEM-defined power device IDs */
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/* 0xf000 - 0xffff Reserved */
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/* Power state */
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#define PMST_APMENABLED 0x0000
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#define PMST_STANDBY 0x0001
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#define PMST_SUSPEND 0x0002
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#define PMST_OFF 0x0003
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#define PMST_LASTREQNOTIFY 0x0004
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#define PMST_LASTREQREJECT 0x0005
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/* 0x0006 - 0x001f Reserved system states */
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/* 0x0020 - 0x003f OEM-defined system states */
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/* 0x0040 - 0x007f OEM-defined device states */
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/* 0x0080 - 0xffff Reserved device states */
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#if !defined(ASSEMBLER) && !defined(INITIALIZER)
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/* C definitions */
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struct apmhook {
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struct apmhook *ah_next;
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int (*ah_fun)(void *ah_arg);
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void *ah_arg;
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const char *ah_name;
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int ah_order;
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};
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#define APM_HOOK_NONE (-1)
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#define APM_HOOK_SUSPEND 0
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#define APM_HOOK_RESUME 1
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#define NAPM_HOOK 2
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#ifdef _KERNEL
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void apm_suspend(int state);
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struct apmhook *apm_hook_establish (int apmh, struct apmhook *);
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void apm_hook_disestablish (int apmh, struct apmhook *);
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void apm_cpu_idle(void);
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void apm_cpu_busy(void);
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#endif
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#endif /* !ASSEMBLER && !INITIALIZER */
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#define APM_MIN_ORDER 0x00
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#define APM_MID_ORDER 0x80
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#define APM_MAX_ORDER 0xff
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/* power management event code */
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#define PMEV_NOEVENT 0x0000
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#define PMEV_STANDBYREQ 0x0001
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#define PMEV_SUSPENDREQ 0x0002
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#define PMEV_NORMRESUME 0x0003
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#define PMEV_CRITRESUME 0x0004
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#define PMEV_BATTERYLOW 0x0005
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#define PMEV_POWERSTATECHANGE 0x0006
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#define PMEV_UPDATETIME 0x0007
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#define PMEV_CRITSUSPEND 0x0008
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#define PMEV_USERSTANDBYREQ 0x0009
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#define PMEV_USERSUSPENDREQ 0x000a
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#define PMEV_STANDBYRESUME 0x000b
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#define PMEV_CAPABILITIESCHANGE 0x000c
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/* 0x000d - 0x00ff Reserved system events */
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/* 0x0100 - 0x01ff Reserved device events */
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/* 0x0200 - 0x02ff OEM-defined APM events */
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/* 0x0300 - 0xffff Reserved */
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#define PMEV_DEFAULT 0xffffffff /* used for customization */
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#if !defined(ASSEMBLER) && !defined(INITIALIZER)
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/*
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* Old apm_info structure, returned by the APMIO_GETINFO_OLD ioctl. This
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* is for backward compatibility with old executables.
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*/
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typedef struct apm_info_old {
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u_int ai_major; /* APM major version */
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u_int ai_minor; /* APM minor version */
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u_int ai_acline; /* AC line status */
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u_int ai_batt_stat; /* Battery status */
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u_int ai_batt_life; /* Remaining battery life */
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u_int ai_status; /* Status of APM support (enabled/disabled) */
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} *apm_info_old_t;
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/*
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* Structure returned by the APMIO_GETINFO ioctl.
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*
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* In the comments below, the parenthesized numbers indicate the minimum
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* value of ai_infoversion for which each field is valid.
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*/
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typedef struct apm_info {
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u_int ai_infoversion; /* Indicates which fields are valid */
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u_int ai_major; /* APM major version (0) */
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u_int ai_minor; /* APM minor version (0) */
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u_int ai_acline; /* AC line status (0) */
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u_int ai_batt_stat; /* Battery status (0) */
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u_int ai_batt_life; /* Remaining battery life in percent (0) */
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int ai_batt_time; /* Remaining battery time in seconds (0) */
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u_int ai_status; /* True if enabled (0) */
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u_int ai_batteries; /* Number of batteries (1) */
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u_int ai_capabilities;/* APM Capabilities (1) */
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u_int ai_spare[6]; /* For future expansion */
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} *apm_info_t;
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/* Battery flag */
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#define APM_BATT_HIGH 0x01
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#define APM_BATT_LOW 0x02
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#define APM_BATT_CRITICAL 0x04
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#define APM_BATT_CHARGING 0x08
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#define APM_BATT_NOT_PRESENT 0x10
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#define APM_BATT_NO_SYSTEM 0x80
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typedef struct apm_pwstatus {
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u_int ap_device; /* Device code of battery */
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u_int ap_acline; /* AC line status (0) */
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u_int ap_batt_stat; /* Battery status (0) */
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u_int ap_batt_flag; /* Battery flag (0) */
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u_int ap_batt_life; /* Remaining battery life in percent (0) */
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int ap_batt_time; /* Remaining battery time in seconds (0) */
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} *apm_pwstatus_t;
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struct apm_bios_arg {
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u_long eax;
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u_long ebx;
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u_long ecx;
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u_long edx;
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u_long esi;
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u_long edi;
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};
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struct apm_event_info {
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u_int type;
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u_int index;
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u_int spare[8];
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};
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#define APMIO_SUSPEND _IO('P', 1)
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#define APMIO_GETINFO_OLD _IOR('P', 2, struct apm_info_old)
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#define APMIO_ENABLE _IO('P', 5)
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#define APMIO_DISABLE _IO('P', 6)
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#define APMIO_HALTCPU _IO('P', 7)
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#define APMIO_NOTHALTCPU _IO('P', 8)
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#define APMIO_DISPLAY _IOW('P', 9, int)
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#define APMIO_BIOS _IOWR('P', 10, struct apm_bios_arg)
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#define APMIO_GETINFO _IOR('P', 11, struct apm_info)
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#define APMIO_STANDBY _IO('P', 12)
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#define APMIO_GETPWSTATUS _IOWR('P', 13, struct apm_pwstatus)
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/* for /dev/apmctl */
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#define APMIO_NEXTEVENT _IOR('A', 100, struct apm_event_info)
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#define APMIO_REJECTLASTREQ _IO('P', 101)
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#endif /* !ASSEMBLER && !INITIALIZER */
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#endif /* !_MACHINE_APM_BIOS_H_ */
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