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/dev/acpica/acpiio.h

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    1 /*-
    2  * Copyright (c) 1999 Takanori Watanabe <takawata@jp.freebsd.org>
    3  * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD: src/sys/dev/acpica/acpiio.h,v 1.10.2.2 2005/03/02 09:18:41 obrien Exp $
   28  */
   29 
   30 #ifndef _ACPIIO_H_
   31 #define _ACPIIO_H_
   32 
   33 /*
   34  * Core ACPI subsystem ioctls
   35  */
   36 #define ACPIIO_SETSLPSTATE      _IOW('P', 3, int)
   37 
   38 struct acpi_battdesc {
   39     int  type;                          /* battery type: e.g. CMBAT */
   40     int  phys_unit;                     /* physical unit of devclass */
   41 };
   42 
   43 #define ACPI_BATT_TYPE_CMBAT            0x0000
   44 #define ACPI_BATT_TYPE_SMBAT            0x0001
   45 
   46 struct acpi_battinfo {
   47     int  cap;                           /* percent */
   48     int  min;                           /* remaining time */
   49     int  state;                         /* battery state */
   50 };
   51 
   52 #define ACPI_CMBAT_MAXSTRLEN 32
   53 struct acpi_bif {
   54     u_int32_t units;                    /* 0 for mWh, 1 for mAh */
   55     u_int32_t dcap;                     /* Design Capacity */
   56     u_int32_t lfcap;                    /* Last Full capacity */
   57     u_int32_t btech;                    /* Battery Technology */
   58     u_int32_t dvol;                     /* Design voltage (mV) */
   59     u_int32_t wcap;                     /* WARN capacity */
   60     u_int32_t lcap;                     /* Low capacity */
   61     u_int32_t gra1;                     /* Granularity 1 (Warn to Low) */
   62     u_int32_t gra2;                     /* Granularity 2 (Full to Warn) */
   63     char model[ACPI_CMBAT_MAXSTRLEN];   /* model identifier */
   64     char serial[ACPI_CMBAT_MAXSTRLEN];  /* Serial number */
   65     char type[ACPI_CMBAT_MAXSTRLEN];    /* Type */
   66     char oeminfo[ACPI_CMBAT_MAXSTRLEN]; /* OEM infomation */
   67 };
   68 
   69 struct acpi_bst {
   70     u_int32_t state;                    /* Battery State */
   71     u_int32_t rate;                     /* Present Rate */
   72     u_int32_t cap;                      /* Remaining Capacity */
   73     u_int32_t volt;                     /* Present Voltage */
   74 };
   75 
   76 #define ACPI_BATT_STAT_DISCHARG         0x0001
   77 #define ACPI_BATT_STAT_CHARGING         0x0002
   78 #define ACPI_BATT_STAT_CRITICAL         0x0004
   79 #define ACPI_BATT_STAT_NOT_PRESENT      0x0007
   80 #define ACPI_BATT_STAT_MAX              0x0007
   81 
   82 union acpi_battery_ioctl_arg {
   83     int  unit;                  /* argument: logical unit (-1 = overall) */
   84 
   85     struct acpi_battdesc        battdesc; 
   86     struct acpi_battinfo        battinfo; 
   87 
   88     struct acpi_bif     bif;    /* for acpi_cmbat */
   89     struct acpi_bst     bst;    /* for acpi_cmbat */
   90 };
   91 
   92 /* Common battery ioctl */
   93 #define ACPIIO_BATT_GET_UNITS     _IOR('B', 0x01, int)
   94 #define ACPIIO_BATT_GET_TYPE      _IOR('B', 0x02, union acpi_battery_ioctl_arg)
   95 #define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
   96 #define ACPIIO_BATT_GET_BATTDESC _IOWR('B', 0x04, union acpi_battery_ioctl_arg)
   97 
   98 /* Cotrol Method battery ioctl */
   99 #define ACPIIO_CMBAT_GET_BIF     _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
  100 #define ACPIIO_CMBAT_GET_BST     _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
  101 
  102 /* Get AC adapter status. */
  103 #define ACPIIO_ACAD_GET_STATUS    _IOR('A', 1, int)
  104 
  105 #ifdef _KERNEL
  106 typedef int     (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
  107 extern int      acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
  108 extern void     acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
  109 #endif
  110 
  111 #endif /* !_ACPIIO_H_ */

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