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: releng/6.0/sys/dev/acpica/acpiio.h 148530 2005-07-29 16:27:07Z 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
38 struct 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
46 struct 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
62 struct 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
75 union 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
100 typedef int (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
101 extern int acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
102 extern void acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
103 #endif
104
105 #endif /* !_ACPIIO_H_ */
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