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194 lines
5.5 KiB
C
194 lines
5.5 KiB
C
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/*
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* Advanced Power Management (APM) BIOS driver for laptop PCs.
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*
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* Copyright (c) 1994 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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#ifndef _MACHINE_APM_BIOS_H_
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#define _MACHINE_APM_BIOS_H_ 1
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#ifdef KERNEL
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/* BIOS id */
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#define APM_BIOS 0x53
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#define SYSTEM_BIOS 0x15
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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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/* Error code of APM initializer */
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#define APMINI_CANTFIND 0xffffffff
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#define APMINI_NOT32BIT 0xfffffffe
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#define APMINI_CONNECTERR 0xfffffffd
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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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#define APM_GETPWSTATUS 0x0a
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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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#define APM_DRVVERSION 0x0e
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#define APM_ENGAGEDISENGAGEPM 0x0f
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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_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 - 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(ASM) && !defined(INITIALIZER)
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/* C definitions */
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typedef struct apm_hook_func {
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struct apm_hook_func *next; /* Linked list */
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int (*func)(void);
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const char *name;
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int order;
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} *apm_hook_func_t;
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apm_hook_func_t apm_resume_hook_init(int (*func)(void), char *name, int order);
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void apm_resume_hook_delete(apm_hook_func_t delete_func);
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apm_hook_func_t apm_suspend_hook_init(int (*func)(void), char *name, int order);
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void apm_suspend_hook_delete(apm_hook_func_t delete_func);
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void apm_suspend_resume(void);
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void apm_cpu_idle(void);
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void apm_cpu_busy(void);
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#endif /* !ASM && !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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#endif /* KERNEL */
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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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/* 0x000c - 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(ASM) && !defined(INITIALIZER)
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typedef struct apm_info {
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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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} *apm_info_t;
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typedef struct apm_eqv_event {
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u_int aee_event; /* Event ID */
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u_int aee_equiv; /* Equivalent event ID */
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u_int aee_resume; /* Equivalent event ID when system resumes */
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} *apm_eqv_event_t;
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#define APMIO_SUSPEND _IO('P', 1)
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#define APMIO_GETINFO _IOR('P', 2, struct apm_info)
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#define APMIO_DEFEQV _IOW('P', 3, struct apm_eqv_event)
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#define APMIO_FLUSHEQV _IO('P', 4)
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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 APM_MAX_EQUIV_EVENTS 16
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#endif /* !ASM && !INITIALIZER */
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#endif /* _MACHINE_APM_BIOS_H_ */
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