xref: /freebsd/sys/dev/acpica/acpiio.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
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  * $FreeBSD$
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) /* DEPRECATED */
37 
38 /* Request S1-5 sleep state. User is notified and then sleep proceeds. */
39 #define ACPIIO_REQSLPSTATE	_IOW('P', 4, int)
40 
41 /* Allow suspend to continue (0) or abort it (errno). */
42 #define ACPIIO_ACKSLPSTATE	_IOW('P', 5, int)
43 
44 struct acpi_battinfo {
45     int	 cap;				/* percent */
46     int	 min;				/* remaining time (in minutes) */
47     int	 state;				/* battery state */
48     int	 rate;				/* emptying rate */
49 };
50 
51 #define ACPI_CMBAT_MAXSTRLEN 32
52 struct acpi_bif {
53     uint32_t units;			/* Units (mW or mA). */
54 #define ACPI_BIF_UNITS_MW	0	/* Capacity in mWh, rate in mW. */
55 #define ACPI_BIF_UNITS_MA	1	/* Capacity in mAh, rate in mA. */
56     uint32_t dcap;			/* Design Capacity */
57     uint32_t lfcap;			/* Last Full capacity */
58     uint32_t btech;			/* Battery Technology */
59     uint32_t dvol;			/* Design voltage (mV) */
60     uint32_t wcap;			/* WARN capacity */
61     uint32_t lcap;			/* Low capacity */
62     uint32_t gra1;			/* Granularity 1 (Warn to Low) */
63     uint32_t gra2;			/* Granularity 2 (Full to Warn) */
64     char model[ACPI_CMBAT_MAXSTRLEN];	/* model identifier */
65     char serial[ACPI_CMBAT_MAXSTRLEN];	/* Serial number */
66     char type[ACPI_CMBAT_MAXSTRLEN];	/* Type */
67     char oeminfo[ACPI_CMBAT_MAXSTRLEN];	/* OEM infomation */
68 };
69 
70 struct acpi_bst {
71     uint32_t state;			/* Battery State */
72     uint32_t rate;			/* Present Rate */
73     uint32_t cap;			/* Remaining Capacity */
74     uint32_t volt;			/* Present Voltage */
75 };
76 
77 #define ACPI_BATT_STAT_DISCHARG		0x0001
78 #define ACPI_BATT_STAT_CHARGING		0x0002
79 #define ACPI_BATT_STAT_CRITICAL		0x0004
80 #define ACPI_BATT_STAT_NOT_PRESENT	0x0007
81 #define ACPI_BATT_STAT_MAX		0x0007
82 
83 union acpi_battery_ioctl_arg {
84     int			 unit;	/* Device unit or ACPI_BATTERY_ALL_UNITS. */
85 
86     struct acpi_battinfo battinfo;
87 
88     struct acpi_bif	 bif;
89     struct acpi_bst	 bst;
90 };
91 
92 #define ACPI_BATTERY_ALL_UNITS 	(-1)
93 #define ACPI_BATT_UNKNOWN 	0xffffffff /* _BST or _BIF value unknown. */
94 
95 /* Common battery ioctls */
96 #define ACPIIO_BATT_GET_UNITS	  _IOR('B', 0x01, int)
97 #define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
98 #define ACPIIO_BATT_GET_BIF	 _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
99 #define ACPIIO_BATT_GET_BST	 _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
100 
101 /* Control Method battery ioctls (deprecated) */
102 #define ACPIIO_CMBAT_GET_BIF	 ACPIIO_BATT_GET_BIF
103 #define ACPIIO_CMBAT_GET_BST	 ACPIIO_BATT_GET_BST
104 
105 /* Get AC adapter status. */
106 #define ACPIIO_ACAD_GET_STATUS	  _IOR('A', 1, int)
107 
108 #ifdef _KERNEL
109 typedef int	(*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
110 extern int	acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
111 extern void	acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
112 #endif
113 
114 #endif /* !_ACPIIO_H_ */
115