acpiio.h revision 148352 
1/*-
2 * Copyright (c) 1999 Takanori Watanabe <takawata@jp.freebsd.org>
3 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/acpica/acpiio.h 148352 2005-07-23 19:36:00Z njl $
28 */
29
30#ifndef _ACPIIO_H_
31#define _ACPIIO_H_
32
33/*
34 * Core ACPI subsystem ioctls
35 */
36#define ACPIIO_SETSLPSTATE	_IOW('P', 3, int)
37
38struct acpi_battinfo {
39    int	 cap;				/* percent */
40    int	 min;				/* remaining time (in minutes) */
41    int	 state;				/* battery state */
42    int	 rate;				/* emptying rate */
43};
44
45#define ACPI_CMBAT_MAXSTRLEN 32
46struct acpi_bif {
47    uint32_t units;			/* 0 for mWh, 1 for mAh */
48    uint32_t dcap;			/* Design Capacity */
49    uint32_t lfcap;			/* Last Full capacity */
50    uint32_t btech;			/* Battery Technology */
51    uint32_t dvol;			/* Design voltage (mV) */
52    uint32_t wcap;			/* WARN capacity */
53    uint32_t lcap;			/* Low capacity */
54    uint32_t gra1;			/* Granularity 1 (Warn to Low) */
55    uint32_t gra2;			/* Granularity 2 (Full to Warn) */
56    char model[ACPI_CMBAT_MAXSTRLEN];	/* model identifier */
57    char serial[ACPI_CMBAT_MAXSTRLEN];	/* Serial number */
58    char type[ACPI_CMBAT_MAXSTRLEN];	/* Type */
59    char oeminfo[ACPI_CMBAT_MAXSTRLEN];	/* OEM infomation */
60};
61
62struct acpi_bst {
63    uint32_t state;			/* Battery State */
64    uint32_t rate;			/* Present Rate */
65    uint32_t cap;			/* Remaining Capacity */
66    uint32_t volt;			/* Present Voltage */
67};
68
69#define ACPI_BATT_STAT_DISCHARG		0x0001
70#define ACPI_BATT_STAT_CHARGING		0x0002
71#define ACPI_BATT_STAT_CRITICAL		0x0004
72#define ACPI_BATT_STAT_NOT_PRESENT	0x0007
73#define ACPI_BATT_STAT_MAX		0x0007
74
75union acpi_battery_ioctl_arg {
76    int			 unit;	/* Device unit or ACPI_BATTERY_ALL_UNITS. */
77
78    struct acpi_battinfo battinfo;
79
80    struct acpi_bif	 bif;
81    struct acpi_bst	 bst;
82};
83
84#define ACPI_BATTERY_ALL_UNITS 	(-1)
85
86/* Common battery ioctls */
87#define ACPIIO_BATT_GET_UNITS	  _IOR('B', 0x01, int)
88#define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
89#define ACPIIO_BATT_GET_BIF	 _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
90#define ACPIIO_BATT_GET_BST	 _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
91
92/* Control Method battery ioctls (deprecated) */
93#define ACPIIO_CMBAT_GET_BIF	 ACPIIO_BATT_GET_BIF
94#define ACPIIO_CMBAT_GET_BST	 ACPIIO_BATT_GET_BST
95
96/* Get AC adapter status. */
97#define ACPIIO_ACAD_GET_STATUS	  _IOR('A', 1, int)
98
99#ifdef _KERNEL
100typedef int	(*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
101extern int	acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
102extern void	acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
103#endif
104
105#endif /* !_ACPIIO_H_ */
106