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: releng/6.0/sys/dev/acpica/acpiio.h 148530 2005-07-29 16:27:07Z njl $
   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_battinfo {
   39     int  cap;                           /* percent */
   40     int  min;                           /* remaining time (in minutes) */
   41     int  state;                         /* battery state */
   42     int  rate;                          /* emptying rate */
   43 };
   44 
   45 #define ACPI_CMBAT_MAXSTRLEN 32
   46 struct acpi_bif {
   47     uint32_t units;                     /* 0 for mWh, 1 for mAh */
   48     uint32_t dcap;                      /* Design Capacity */
   49     uint32_t lfcap;                     /* Last Full capacity */
   50     uint32_t btech;                     /* Battery Technology */
   51     uint32_t dvol;                      /* Design voltage (mV) */
   52     uint32_t wcap;                      /* WARN capacity */
   53     uint32_t lcap;                      /* Low capacity */
   54     uint32_t gra1;                      /* Granularity 1 (Warn to Low) */
   55     uint32_t gra2;                      /* Granularity 2 (Full to Warn) */
   56     char model[ACPI_CMBAT_MAXSTRLEN];   /* model identifier */
   57     char serial[ACPI_CMBAT_MAXSTRLEN];  /* Serial number */
   58     char type[ACPI_CMBAT_MAXSTRLEN];    /* Type */
   59     char oeminfo[ACPI_CMBAT_MAXSTRLEN]; /* OEM infomation */
   60 };
   61 
   62 struct acpi_bst {
   63     uint32_t state;                     /* Battery State */
   64     uint32_t rate;                      /* Present Rate */
   65     uint32_t cap;                       /* Remaining Capacity */
   66     uint32_t volt;                      /* Present Voltage */
   67 };
   68 
   69 #define ACPI_BATT_STAT_DISCHARG         0x0001
   70 #define ACPI_BATT_STAT_CHARGING         0x0002
   71 #define ACPI_BATT_STAT_CRITICAL         0x0004
   72 #define ACPI_BATT_STAT_NOT_PRESENT      0x0007
   73 #define ACPI_BATT_STAT_MAX              0x0007
   74 
   75 union acpi_battery_ioctl_arg {
   76     int                  unit;  /* Device unit or ACPI_BATTERY_ALL_UNITS. */
   77 
   78     struct acpi_battinfo battinfo;
   79 
   80     struct acpi_bif      bif;
   81     struct acpi_bst      bst;
   82 };
   83 
   84 #define ACPI_BATTERY_ALL_UNITS  (-1)
   85 
   86 /* Common battery ioctls */
   87 #define ACPIIO_BATT_GET_UNITS     _IOR('B', 0x01, int)
   88 #define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
   89 #define ACPIIO_BATT_GET_BIF      _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
   90 #define ACPIIO_BATT_GET_BST      _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
   91 
   92 /* Control Method battery ioctls (deprecated) */
   93 #define ACPIIO_CMBAT_GET_BIF     ACPIIO_BATT_GET_BIF
   94 #define ACPIIO_CMBAT_GET_BST     ACPIIO_BATT_GET_BST
   95 
   96 /* Get AC adapter status. */
   97 #define ACPIIO_ACAD_GET_STATUS    _IOR('A', 1, int)
   98 
   99 #ifdef _KERNEL
  100 typedef int     (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
  101 extern int      acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
  102 extern void     acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
  103 #endif
  104 
  105 #endif /* !_ACPIIO_H_ */

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