acpiio.h revision 133933 
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 133933 2004-08-18 05:48:24Z njl $
28 */
29
30/*
31 * Core ACPI subsystem ioctls
32 */
33#define ACPIIO_SETSLPSTATE	_IOW('P', 3, int)
34
35struct acpi_battdesc {
36    int	 type;				/* battery type: e.g. CMBAT */
37    int	 phys_unit;			/* physical unit of devclass */
38};
39
40#define ACPI_BATT_TYPE_CMBAT		0x0000
41#define ACPI_BATT_TYPE_SMBAT		0x0001
42
43struct acpi_battinfo {
44    int	 cap;				/* percent */
45    int	 min;				/* remaining time */
46    int	 state;				/* battery state */
47};
48
49#define ACPI_CMBAT_MAXSTRLEN 32
50struct acpi_bif {
51    u_int32_t units;			/* 0 for mWh, 1 for mAh */
52    u_int32_t dcap;			/* Design Capacity */
53    u_int32_t lfcap;			/* Last Full capacity */
54    u_int32_t btech;			/* Battery Technology */
55    u_int32_t dvol;			/* Design voltage (mV) */
56    u_int32_t wcap;			/* WARN capacity */
57    u_int32_t lcap;			/* Low capacity */
58    u_int32_t gra1;			/* Granularity 1 (Warn to Low) */
59    u_int32_t gra2;			/* Granularity 2 (Full to Warn) */
60    char model[ACPI_CMBAT_MAXSTRLEN];	/* model identifier */
61    char serial[ACPI_CMBAT_MAXSTRLEN];	/* Serial number */
62    char type[ACPI_CMBAT_MAXSTRLEN];	/* Type */
63    char oeminfo[ACPI_CMBAT_MAXSTRLEN];	/* OEM infomation */
64};
65
66struct acpi_bst {
67    u_int32_t state;			/* Battery State */
68    u_int32_t rate;			/* Present Rate */
69    u_int32_t cap;			/* Remaining Capacity */
70    u_int32_t volt;			/* Present Voltage */
71};
72
73#define ACPI_BATT_STAT_DISCHARG		0x0001
74#define ACPI_BATT_STAT_CHARGING		0x0002
75#define ACPI_BATT_STAT_CRITICAL		0x0004
76#define ACPI_BATT_STAT_NOT_PRESENT	0x0007
77#define ACPI_BATT_STAT_MAX		0x0007
78
79union acpi_battery_ioctl_arg {
80    int	 unit;			/* argument: logical unit (-1 = overall) */
81
82    struct acpi_battdesc	battdesc;
83    struct acpi_battinfo	battinfo;
84
85    struct acpi_bif	bif;	/* for acpi_cmbat */
86    struct acpi_bst	bst;	/* for acpi_cmbat */
87};
88
89/* Common battery ioctl */
90#define ACPIIO_BATT_GET_UNITS	  _IOR('B', 0x01, int)
91#define ACPIIO_BATT_GET_TYPE	  _IOR('B', 0x02, union acpi_battery_ioctl_arg)
92#define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
93#define ACPIIO_BATT_GET_BATTDESC _IOWR('B', 0x04, union acpi_battery_ioctl_arg)
94
95/* Cotrol Method battery ioctl */
96#define ACPIIO_CMBAT_GET_BIF	 _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
97#define ACPIIO_CMBAT_GET_BST	 _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
98
99#define ACPIIO_ACAD_GET_STATUS	  _IOR('A', 1, int)
100
101#ifdef _KERNEL
102typedef int	(*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
103extern int	acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
104extern void	acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
105#endif
106