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211 lines
8.2 KiB
C
211 lines
8.2 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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#ifndef _ACPIIO_H_
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#define _ACPIIO_H_
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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) /* DEPRECATED */
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/* Request S1-5 sleep state. User is notified and then sleep proceeds. */
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#define ACPIIO_REQSLPSTATE _IOW('P', 4, int)
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/* Allow suspend to continue (0) or abort it (errno). */
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#define ACPIIO_ACKSLPSTATE _IOW('P', 5, int)
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struct acpi_battinfo {
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int cap; /* percent */
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int min; /* remaining time (in minutes) */
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int state; /* battery state */
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int rate; /* emptying rate */
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};
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/*
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* Battery Information object. Note that this object is deprecated in
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* ACPI 4.0
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*/
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#define ACPI_CMBAT_MAXSTRLEN 32
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struct acpi_bif {
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uint32_t units; /* Power Unit (mW or mA). */
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#define ACPI_BIF_UNITS_MW 0 /* Capacity in mWh, rate in mW. */
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#define ACPI_BIF_UNITS_MA 1 /* Capacity in mAh, rate in mA. */
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uint32_t dcap; /* Design Capacity */
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uint32_t lfcap; /* Last Full capacity */
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uint32_t btech; /* Battery Technology */
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uint32_t dvol; /* Design voltage (mV) */
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uint32_t wcap; /* WARN capacity */
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uint32_t lcap; /* Low capacity */
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uint32_t gra1; /* Granularity 1 (Warn to Low) */
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uint32_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 information */
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};
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/*
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* Members in acpi_bix are reordered so that the first part is compatible
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* with acpi_bif.
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*/
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struct acpi_bix {
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/* _BIF-compatible */
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uint32_t units; /* Power Unit (mW or mA). */
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#define ACPI_BIX_UNITS_MW 0 /* Capacity in mWh, rate in mW. */
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#define ACPI_BIX_UNITS_MA 1 /* Capacity in mAh, rate in mA. */
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uint32_t dcap; /* Design Capacity */
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uint32_t lfcap; /* Last Full capacity */
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uint32_t btech; /* Battery Technology */
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uint32_t dvol; /* Design voltage (mV) */
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uint32_t wcap; /* WARN capacity */
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uint32_t lcap; /* Low capacity */
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uint32_t gra1; /* Granularity 1 (Warn to Low) */
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uint32_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 information */
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/* ACPI 4.0 or later */
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uint16_t rev; /* Revision */
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#define ACPI_BIX_REV_0 0 /* ACPI 4.0 _BIX */
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#define ACPI_BIX_REV_1 1 /* ACPI 6.0 _BIX */
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#define ACPI_BIX_REV_BIF 0xffff /* _BIF */
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#define ACPI_BIX_REV_MIN_CHECK(x, min) \
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(((min) == ACPI_BIX_REV_BIF) ? ((x) == ACPI_BIX_REV_BIF) : \
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(((x) == ACPI_BIX_REV_BIF) ? 0 : ((x) >= (min))))
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uint32_t cycles; /* Cycle Count */
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uint32_t accuracy; /* Measurement Accuracy */
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uint32_t stmax; /* Max Sampling Time */
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uint32_t stmin; /* Min Sampling Time */
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uint32_t aimax; /* Max Average Interval */
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uint32_t aimin; /* Min Average Interval */
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/* ACPI 6.0 or later */
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uint32_t scap; /* Battery Swapping Capability */
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#define ACPI_BIX_SCAP_NO 0x00000000
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#define ACPI_BIX_SCAP_COLD 0x00000001
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#define ACPI_BIX_SCAP_HOT 0x00000010
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uint8_t bix_reserved[58]; /* padding */
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};
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#if 0
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/* acpi_bix in the original order just for reference */
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struct acpi_bix {
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uint16_t rev; /* Revision */
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uint32_t units; /* Power Unit (mW or mA). */
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uint32_t dcap; /* Design Capacity */
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uint32_t lfcap; /* Last Full capacity */
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uint32_t btech; /* Battery Technology */
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uint32_t dvol; /* Design voltage (mV) */
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uint32_t wcap; /* Design Capacity of Warning */
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uint32_t lcap; /* Design Capacity of Low */
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uint32_t cycles; /* Cycle Count */
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uint32_t accuracy; /* Measurement Accuracy */
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uint32_t stmax; /* Max Sampling Time */
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uint32_t stmin; /* Min Sampling Time */
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uint32_t aimax; /* Max Average Interval */
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uint32_t aimin; /* Min Average Interval */
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uint32_t gra1; /* Granularity 1 (Warn to Low) */
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uint32_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 information */
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uint32_t scap; /* Battery Swapping Capability */
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};
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#endif
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struct acpi_bst {
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uint32_t state; /* Battery State */
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uint32_t rate; /* Present Rate */
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uint32_t cap; /* Remaining Capacity */
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uint32_t volt; /* Present Voltage */
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};
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/*
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* Note that the following definitions represent status bits for internal
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* driver state. The first three of them (charging, discharging and critical)
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* conveninetly conform to ACPI specification of status returned by _BST
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* method. Other definitions (not present, etc) are synthetic.
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* Also note that according to the specification the charging and discharging
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* status bits must not be set at the same time.
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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_INVALID \
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(ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CHARGING)
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#define ACPI_BATT_STAT_BST_MASK \
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(ACPI_BATT_STAT_INVALID | ACPI_BATT_STAT_CRITICAL)
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#define ACPI_BATT_STAT_NOT_PRESENT ACPI_BATT_STAT_BST_MASK
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/* For backward compatibility */
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union acpi_battery_ioctl_arg_v1 {
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int unit; /* Device unit or ACPI_BATTERY_ALL_UNITS. */
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struct acpi_battinfo battinfo;
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struct acpi_bif bif;
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struct acpi_bst bst;
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};
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union acpi_battery_ioctl_arg {
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int unit; /* Device unit or ACPI_BATTERY_ALL_UNITS. */
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struct acpi_battinfo battinfo;
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struct acpi_bix bix;
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struct acpi_bif bif;
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struct acpi_bst bst;
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};
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#define ACPI_BATTERY_ALL_UNITS (-1)
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#define ACPI_BATT_UNKNOWN 0xffffffff /* _BST or _BI[FX] value unknown. */
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/* Common battery ioctls */
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#define ACPIIO_BATT_GET_UNITS _IOR('B', 0x01, int)
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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_BATTINFO_V1 _IOWR('B', 0x03, union acpi_battery_ioctl_arg_v1)
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#define ACPIIO_BATT_GET_BIF _IOWR('B', 0x10, union acpi_battery_ioctl_arg_v1)
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#define ACPIIO_BATT_GET_BIX _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
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#define ACPIIO_BATT_GET_BST _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
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#define ACPIIO_BATT_GET_BST_V1 _IOWR('B', 0x11, union acpi_battery_ioctl_arg_v1)
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/* Control Method battery ioctls (deprecated) */
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#define ACPIIO_CMBAT_GET_BIF ACPIIO_BATT_GET_BIF
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#define ACPIIO_CMBAT_GET_BST ACPIIO_BATT_GET_BST
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/* Get AC adapter status. */
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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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#endif /* !_ACPIIO_H_ */
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