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