The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/apm_bios.h

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    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  * $FreeBSD: src/sys/i386/include/apm_bios.h,v 1.12.2.3 1999/09/05 08:11:36 peter 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 #ifdef KERNEL
   27 
   28 /* BIOS id */
   29 #ifdef PC98
   30 #define APM_BIOS                0x9a
   31 #define SYSTEM_BIOS             0x1f
   32 #else
   33 #define APM_BIOS                0x53
   34 #define SYSTEM_BIOS             0x15
   35 #endif
   36 
   37 /* APM flags */
   38 #define APM_16BIT_SUPPORT       0x01
   39 #define APM_32BIT_SUPPORT       0x02
   40 #define APM_CPUIDLE_SLOW        0x04
   41 #define APM_DISABLED            0x08
   42 #define APM_DISENGAGED          0x10
   43 
   44 /* APM initializer physical address */
   45 #define APM_OURADDR             0x00080000
   46 
   47 /* Error code of APM initializer */
   48 #define APMINI_CANTFIND         0xffffffff
   49 #define APMINI_NOT32BIT         0xfffffffe
   50 #define APMINI_CONNECTERR       0xfffffffd
   51 
   52 /* APM functions */
   53 #define APM_INSTCHECK           0x00
   54 #define APM_REALCONNECT         0x01
   55 #define APM_PROT16CONNECT       0x02
   56 #define APM_PROT32CONNECT       0x03
   57 #define APM_DISCONNECT          0x04
   58 #define APM_CPUIDLE             0x05
   59 #define APM_CPUBUSY             0x06
   60 #define APM_SETPWSTATE          0x07
   61 #define APM_ENABLEDISABLEPM     0x08
   62 #define APM_RESTOREDEFAULT      0x09
   63 #ifdef PC98
   64 #define APM_GETPWSTATUS         0x3a
   65 #else
   66 #define APM_GETPWSTATUS         0x0a
   67 #endif
   68 #define APM_GETPMEVENT          0x0b
   69 #define APM_GETPWSTATE          0x0c
   70 #define APM_ENABLEDISABLEDPM    0x0d
   71 #ifdef PC98
   72 #define APM_DRVVERSION          0x3e
   73 #else
   74 #define APM_DRVVERSION          0x0e
   75 #endif
   76 #define APM_ENGAGEDISENGAGEPM   0x0f
   77 #define APM_OEMFUNC             0x80
   78 
   79 /* error code */
   80 #define APME_OK                 0x00
   81 #define APME_PMDISABLED         0x01
   82 #define APME_REALESTABLISHED    0x02
   83 #define APME_NOTCONNECTED       0x03
   84 #define APME_PROT16ESTABLISHED  0x05
   85 #define APME_PROT16NOTSUPPORTED 0x06
   86 #define APME_PROT32ESTABLISHED  0x07
   87 #define APME_PROT32NOTDUPPORTED 0x08
   88 #define APME_UNKNOWNDEVICEID    0x09
   89 #define APME_OUTOFRANGE         0x0a
   90 #define APME_NOTENGAGED         0x0b
   91 #define APME_CANTENTERSTATE     0x60
   92 #define APME_NOPMEVENT          0x80
   93 #define APME_NOAPMPRESENT       0x86
   94 
   95 
   96 /* device code */
   97 #define PMDV_APMBIOS            0x0000
   98 #define PMDV_ALLDEV             0x0001
   99 #define PMDV_DISP0              0x0100
  100 #define PMDV_DISP1              0x0101
  101 #define PMDV_2NDSTORAGE0        0x0200
  102 #define PMDV_2NDSTORAGE1        0x0201
  103 #define PMDV_2NDSTORAGE2        0x0202
  104 #define PMDV_2NDSTORAGE3        0x0203
  105 #define PMDV_PARALLEL0          0x0300
  106 #define PMDV_PARALLEL1          0x0301
  107 #define PMDV_SERIAL0            0x0400
  108 #define PMDV_SERIAL1            0x0401
  109 #define PMDV_SERIAL2            0x0402
  110 #define PMDV_SERIAL3            0x0403
  111 #define PMDV_SERIAL4            0x0404
  112 #define PMDV_SERIAL5            0x0405
  113 #define PMDV_SERIAL6            0x0406
  114 #define PMDV_SERIAL7            0x0407
  115 #define PMDV_NET0               0x0500
  116 #define PMDV_NET1               0x0501
  117 #define PMDV_NET2               0x0502
  118 #define PMDV_NET3               0x0503
  119 #define PMDV_PCMCIA0            0x0600
  120 #define PMDV_PCMCIA1            0x0601
  121 #define PMDV_PCMCIA2            0x0602
  122 #define PMDV_PCMCIA3            0x0603
  123 /* 0x0700 - 0xdfff      Reserved                        */
  124 /* 0xe000 - 0xefff      OEM-defined power device IDs    */
  125 /* 0xf000 - 0xffff      Reserved                        */
  126 
  127 /* Power state */
  128 #define PMST_APMENABLED         0x0000
  129 #define PMST_STANDBY            0x0001
  130 #define PMST_SUSPEND            0x0002
  131 #define PMST_OFF                0x0003
  132 #define PMST_LASTREQNOTIFY      0x0004
  133 #define PMST_LASTREQREJECT      0x0005
  134 /* 0x0006 - 0x001f      Reserved system states          */
  135 /* 0x0020 - 0x003f      OEM-defined system states       */
  136 /* 0x0040 - 0x007f      OEM-defined device states       */
  137 /* 0x0080 - 0xffff      Reserved device states          */
  138 
  139 #if !defined(ASSEMBLER) && !defined(INITIALIZER)
  140 
  141 /* C definitions */
  142 struct apmhook {
  143         struct apmhook  *ah_next;
  144         int             (*ah_fun) __P((void *ah_arg));
  145         void            *ah_arg;
  146         const char      *ah_name;
  147         int             ah_order;
  148 };
  149 #define APM_HOOK_NONE           (-1)
  150 #define APM_HOOK_SUSPEND        0
  151 #define APM_HOOK_RESUME         1
  152 #define NAPM_HOOK               2
  153 
  154 void apm_suspend(void);
  155 struct apmhook *apm_hook_establish (int apmh, struct apmhook *);
  156 void apm_hook_disestablish (int apmh, struct apmhook *);
  157 void apm_cpu_idle(void);
  158 void apm_cpu_busy(void);
  159 
  160 #endif /* !ASSEMBLER && !INITIALIZER */
  161 
  162 #define APM_MIN_ORDER           0x00
  163 #define APM_MID_ORDER           0x80
  164 #define APM_MAX_ORDER           0xff
  165 
  166 #endif /* KERNEL */
  167 
  168 /* power management event code */
  169 #define PMEV_NOEVENT            0x0000
  170 #define PMEV_STANDBYREQ         0x0001
  171 #define PMEV_SUSPENDREQ         0x0002
  172 #define PMEV_NORMRESUME         0x0003
  173 #define PMEV_CRITRESUME         0x0004
  174 #define PMEV_BATTERYLOW         0x0005
  175 #define PMEV_POWERSTATECHANGE   0x0006
  176 #define PMEV_UPDATETIME         0x0007
  177 #define PMEV_CRITSUSPEND        0x0008
  178 #define PMEV_USERSTANDBYREQ     0x0009
  179 #define PMEV_USERSUSPENDREQ     0x000a
  180 #define PMEV_STANDBYRESUME      0x000b
  181 /* 0x000c - 0x00ff      Reserved system events  */
  182 /* 0x0100 - 0x01ff      Reserved device events  */
  183 /* 0x0200 - 0x02ff      OEM-defined APM events  */
  184 /* 0x0300 - 0xffff      Reserved                */
  185 #define PMEV_DEFAULT            0xffffffff      /* used for customization */
  186 
  187 #if !defined(ASSEMBLER) && !defined(INITIALIZER)
  188 
  189 typedef struct apm_info {
  190         u_int   ai_major;       /* APM major version */
  191         u_int   ai_minor;       /* APM minor version */
  192         u_int   ai_acline;      /* AC line status */
  193         u_int   ai_batt_stat;   /* Battery status */
  194         u_int   ai_batt_life;   /* Remaining battery life */
  195         u_int   ai_status;      /* Status of APM support (enabled/disabled) */
  196 } *apm_info_t;
  197 
  198 #define APMIO_SUSPEND           _IO('P', 1)
  199 #define APMIO_GETINFO           _IOR('P', 2, struct apm_info)
  200 #define APMIO_ENABLE            _IO('P', 5)
  201 #define APMIO_DISABLE           _IO('P', 6)
  202 #define APMIO_HALTCPU           _IO('P', 7)
  203 #define APMIO_NOTHALTCPU        _IO('P', 8)
  204 #define APMIO_DISPLAY           _IOW('P', 9, int)
  205 
  206 #endif /* !ASSEMBLER && !INITIALIZER */
  207 
  208 #endif /* !_MACHINE_APM_BIOS_H_ */

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