66cefd549e
callers. These ioctls attempted to enable and disable the ACPI interpreter at runtime. In practice, it is not possible to boot with ACPI and then disable it on many systems and trying to do so can cause crashes, interrupt storms, etc. Binary compatibility with userland is retained. MFC after: 2 days
106 lines
3.9 KiB
C
106 lines
3.9 KiB
C
/*-
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* Copyright (c) 1999 Takanori Watanabe <takawata@jp.freebsd.org>
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* Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Core ACPI subsystem ioctls
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*/
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#define ACPIIO_SETSLPSTATE _IOW('P', 3, int)
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struct acpi_battdesc {
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int type; /* battery type: e.g. CMBAT */
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int phys_unit; /* physical unit of devclass */
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};
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#define ACPI_BATT_TYPE_CMBAT 0x0000
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#define ACPI_BATT_TYPE_SMBAT 0x0001
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struct acpi_battinfo {
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int cap; /* percent */
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int min; /* remaining time */
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int state; /* battery state */
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};
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#define ACPI_CMBAT_MAXSTRLEN 32
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struct acpi_bif {
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u_int32_t units; /* 0 for mWh, 1 for mAh */
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u_int32_t dcap; /* Design Capacity */
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u_int32_t lfcap; /* Last Full capacity */
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u_int32_t btech; /* Battery Technology */
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u_int32_t dvol; /* Design voltage (mV) */
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u_int32_t wcap; /* WARN capacity */
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u_int32_t lcap; /* Low capacity */
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u_int32_t gra1; /* Granularity 1 (Warn to Low) */
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u_int32_t gra2; /* Granularity 2 (Full to Warn) */
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char model[ACPI_CMBAT_MAXSTRLEN]; /* model identifier */
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char serial[ACPI_CMBAT_MAXSTRLEN]; /* Serial number */
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char type[ACPI_CMBAT_MAXSTRLEN]; /* Type */
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char oeminfo[ACPI_CMBAT_MAXSTRLEN]; /* OEM infomation */
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};
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struct acpi_bst {
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u_int32_t state; /* Battery State */
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u_int32_t rate; /* Present Rate */
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u_int32_t cap; /* Remaining Capacity */
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u_int32_t volt; /* Present Voltage */
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};
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#define ACPI_BATT_STAT_DISCHARG 0x0001
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#define ACPI_BATT_STAT_CHARGING 0x0002
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#define ACPI_BATT_STAT_CRITICAL 0x0004
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#define ACPI_BATT_STAT_NOT_PRESENT 0x0007
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#define ACPI_BATT_STAT_MAX 0x0007
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union acpi_battery_ioctl_arg {
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int unit; /* argument: logical unit (-1 = overall) */
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struct acpi_battdesc battdesc;
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struct acpi_battinfo battinfo;
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struct acpi_bif bif; /* for acpi_cmbat */
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struct acpi_bst bst; /* for acpi_cmbat */
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};
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/* Common battery ioctl */
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#define ACPIIO_BATT_GET_UNITS _IOR('B', 0x01, int)
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#define ACPIIO_BATT_GET_TYPE _IOR('B', 0x02, union acpi_battery_ioctl_arg)
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#define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
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#define ACPIIO_BATT_GET_BATTDESC _IOWR('B', 0x04, union acpi_battery_ioctl_arg)
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/* Cotrol Method battery ioctl */
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#define ACPIIO_CMBAT_GET_BIF _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
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#define ACPIIO_CMBAT_GET_BST _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
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#define ACPIIO_ACAD_GET_STATUS _IOR('A', 1, int)
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#ifdef _KERNEL
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typedef int (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
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extern int acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
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extern void acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
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#endif
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