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/*-
* 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.
*
* $FreeBSD$
*/
#ifndef _ACPIIO_H_
#define _ACPIIO_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 */
};
/*
* Note that the following definitions represent status bits for internal
* driver state. The first three of them (charging, discharging and critical)
* conveninetly conform to ACPI specification of status returned by _BST
* method. Other definitions (not present, etc) are synthetic.
* Also note that according to the specification the charging and discharging
* status bits must not be set at the same time.
*/
#define ACPI_BATT_STAT_DISCHARG 0x0001
#define ACPI_BATT_STAT_CHARGING 0x0002
#define ACPI_BATT_STAT_CRITICAL 0x0004
#define ACPI_BATT_STAT_INVALID \
(ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CHARGING)
#define ACPI_BATT_STAT_BST_MASK \
(ACPI_BATT_STAT_INVALID | ACPI_BATT_STAT_CRITICAL)
#define ACPI_BATT_STAT_NOT_PRESENT ACPI_BATT_STAT_BST_MASK
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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