FreeBSD/Linux Kernel Cross Reference
sys/dev/acpica/acpiio.h

     /*-
      * Copyright (c) 1999 Takanori Watanabe <takawata@jp.freebsd.org>
      * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: src/sys/dev/acpica/acpiio.h,v 1.17.8.1 2009/04/15 03:14:26 kensmith Exp $
     */
    
    #ifndef _ACPIIO_H_
    #define _ACPIIO_H_
    
    #include <sys/ioccom.h>
    
    /*
     * Core ACPI subsystem ioctls
     */
    #define ACPIIO_SETSLPSTATE      _IOW('P', 3, int) /* DEPRECATED */
    
    /* Request S1-5 sleep state. User is notified and then sleep proceeds. */
    #define ACPIIO_REQSLPSTATE      _IOW('P', 4, int)
    
    /* Allow suspend to continue (0) or abort it (errno). */
    #define ACPIIO_ACKSLPSTATE      _IOW('P', 5, int)
    
    struct acpi_battinfo {
        int  cap;                           /* percent */
        int  min;                           /* remaining time (in minutes) */
        int  state;                         /* battery state */
        int  rate;                          /* emptying rate */
    };
    
    #define ACPI_CMBAT_MAXSTRLEN 32
    struct acpi_bif {
        uint32_t units;                     /* Units (mW or mA). */
    #define ACPI_BIF_UNITS_MW       0       /* Capacity in mWh, rate in mW. */
    #define ACPI_BIF_UNITS_MA       1       /* Capacity in mAh, rate in mA. */
        uint32_t dcap;                      /* Design Capacity */
        uint32_t lfcap;                     /* Last Full capacity */
        uint32_t btech;                     /* Battery Technology */
        uint32_t dvol;                      /* Design voltage (mV) */
        uint32_t wcap;                      /* WARN capacity */
        uint32_t lcap;                      /* Low capacity */
        uint32_t gra1;                      /* Granularity 1 (Warn to Low) */
        uint32_t gra2;                      /* Granularity 2 (Full to Warn) */
        char model[ACPI_CMBAT_MAXSTRLEN];   /* model identifier */
        char serial[ACPI_CMBAT_MAXSTRLEN];  /* Serial number */
        char type[ACPI_CMBAT_MAXSTRLEN];    /* Type */
        char oeminfo[ACPI_CMBAT_MAXSTRLEN]; /* OEM infomation */
    };
    
    struct acpi_bst {
        uint32_t state;                     /* Battery State */
        uint32_t rate;                      /* Present Rate */
        uint32_t cap;                       /* Remaining Capacity */
        uint32_t volt;                      /* Present Voltage */
    };
    
    #define ACPI_BATT_STAT_DISCHARG         0x0001
    #define ACPI_BATT_STAT_CHARGING         0x0002
    #define ACPI_BATT_STAT_CRITICAL         0x0004
    #define ACPI_BATT_STAT_NOT_PRESENT      0x0007
    #define ACPI_BATT_STAT_MAX              0x0007
    
    union acpi_battery_ioctl_arg {
        int                  unit;  /* Device unit or ACPI_BATTERY_ALL_UNITS. */
    
        struct acpi_battinfo battinfo;
    
        struct acpi_bif      bif;
        struct acpi_bst      bst;
    };
    
    #define ACPI_BATTERY_ALL_UNITS  (-1)
    #define ACPI_BATT_UNKNOWN       0xffffffff /* _BST or _BIF value unknown. */
    
    /* Common battery ioctls */
    #define ACPIIO_BATT_GET_UNITS     _IOR('B', 0x01, int)
    #define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
   #define ACPIIO_BATT_GET_BIF      _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
   #define ACPIIO_BATT_GET_BST      _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
   
   /* Control Method battery ioctls (deprecated) */
   #define ACPIIO_CMBAT_GET_BIF     ACPIIO_BATT_GET_BIF
   #define ACPIIO_CMBAT_GET_BST     ACPIIO_BATT_GET_BST
   
   /* Get AC adapter status. */
   #define ACPIIO_ACAD_GET_STATUS    _IOR('A', 1, int)
   
   #ifdef _KERNEL
   typedef int     (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
   extern int      acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
   extern void     acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
   #endif
   
   #endif /* !_ACPIIO_H_ */

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