freebsd-dev/sys/dev/acpica/acpiio.h
Nate Lawson 8f76495941 Introduce a general name for the previously cmbat-only ioctls. It has the
same value as the previous ioctls so no binary change.  Also, make a few
style changes to reduce diffs to my tree.

Loosely based on code from:	Hans Petter Selasky
2005-03-17 22:42:49 +00:00

114 lines
4.1 KiB
C

/*-
* 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)
struct acpi_battdesc {
int type; /* battery type */
int phys_unit; /* physical unit of devclass */
};
#define ACPI_BATT_TYPE_CMBAT 0x0000
#define ACPI_BATT_TYPE_SMBAT 0x0001
struct acpi_battinfo {
int cap; /* percent */
int min; /* remaining time (in minutes) */
int state; /* battery state */
};
#define ACPI_CMBAT_MAXSTRLEN 32
struct acpi_bif {
u_int32_t units; /* 0 for mWh, 1 for mAh */
u_int32_t dcap; /* Design Capacity */
u_int32_t lfcap; /* Last Full capacity */
u_int32_t btech; /* Battery Technology */
u_int32_t dvol; /* Design voltage (mV) */
u_int32_t wcap; /* WARN capacity */
u_int32_t lcap; /* Low capacity */
u_int32_t gra1; /* Granularity 1 (Warn to Low) */
u_int32_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 {
u_int32_t state; /* Battery State */
u_int32_t rate; /* Present Rate */
u_int32_t cap; /* Remaining Capacity */
u_int32_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; /* argument: logical unit (-1 = overall) */
struct acpi_battdesc battdesc;
struct acpi_battinfo battinfo;
struct acpi_bif bif;
struct acpi_bst bst;
};
/* Common battery ioctls */
#define ACPIIO_BATT_GET_UNITS _IOR('B', 0x01, int)
#define ACPIIO_BATT_GET_TYPE _IOR('B', 0x02, union acpi_battery_ioctl_arg)
#define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
#define ACPIIO_BATT_GET_BATTDESC _IOWR('B', 0x04, 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_ */