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/6.2/sys/dev/acpica/acpiio.h 152108 2005-11-05 23:55:56Z 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;                     /* Units (mW or mA). */
   48 #define ACPI_BIF_UNITS_MW       0       /* Capacity in mWh, rate in mW. */
   49 #define ACPI_BIF_UNITS_MA       1       /* Capacity in mAh, rate in mA. */
   50     uint32_t dcap;                      /* Design Capacity */
   51     uint32_t lfcap;                     /* Last Full capacity */
   52     uint32_t btech;                     /* Battery Technology */
   53     uint32_t dvol;                      /* Design voltage (mV) */
   54     uint32_t wcap;                      /* WARN capacity */
   55     uint32_t lcap;                      /* Low capacity */
   56     uint32_t gra1;                      /* Granularity 1 (Warn to Low) */
   57     uint32_t gra2;                      /* Granularity 2 (Full to Warn) */
   58     char model[ACPI_CMBAT_MAXSTRLEN];   /* model identifier */
   59     char serial[ACPI_CMBAT_MAXSTRLEN];  /* Serial number */
   60     char type[ACPI_CMBAT_MAXSTRLEN];    /* Type */
   61     char oeminfo[ACPI_CMBAT_MAXSTRLEN]; /* OEM infomation */
   62 };
   63 
   64 struct acpi_bst {
   65     uint32_t state;                     /* Battery State */
   66     uint32_t rate;                      /* Present Rate */
   67     uint32_t cap;                       /* Remaining Capacity */
   68     uint32_t volt;                      /* Present Voltage */
   69 };
   70 
   71 #define ACPI_BATT_STAT_DISCHARG         0x0001
   72 #define ACPI_BATT_STAT_CHARGING         0x0002
   73 #define ACPI_BATT_STAT_CRITICAL         0x0004
   74 #define ACPI_BATT_STAT_NOT_PRESENT      0x0007
   75 #define ACPI_BATT_STAT_MAX              0x0007
   76 
   77 union acpi_battery_ioctl_arg {
   78     int                  unit;  /* Device unit or ACPI_BATTERY_ALL_UNITS. */
   79 
   80     struct acpi_battinfo battinfo;
   81 
   82     struct acpi_bif      bif;
   83     struct acpi_bst      bst;
   84 };
   85 
   86 #define ACPI_BATTERY_ALL_UNITS  (-1)
   87 #define ACPI_BATT_UNKNOWN       0xffffffff /* _BST or _BIF value unknown. */
   88 
   89 /* Common battery ioctls */
   90 #define ACPIIO_BATT_GET_UNITS     _IOR('B', 0x01, int)
   91 #define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
   92 #define ACPIIO_BATT_GET_BIF      _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
   93 #define ACPIIO_BATT_GET_BST      _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
   94 
   95 /* Control Method battery ioctls (deprecated) */
   96 #define ACPIIO_CMBAT_GET_BIF     ACPIIO_BATT_GET_BIF
   97 #define ACPIIO_CMBAT_GET_BST     ACPIIO_BATT_GET_BST
   98 
   99 /* Get AC adapter status. */
  100 #define ACPIIO_ACAD_GET_STATUS    _IOR('A', 1, int)
  101 
  102 #ifdef _KERNEL
  103 typedef int     (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
  104 extern int      acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
  105 extern void     acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
  106 #endif
  107 
  108 #endif /* !_ACPIIO_H_ */

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