2 * Copyright (c) 1999 Takanori Watanabe <takawata@jp.freebsd.org>
3 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
34 * Core ACPI subsystem ioctls
36 #define ACPIIO_SETSLPSTATE _IOW('P', 3, int) /* DEPRECATED */
38 /* Request S1-5 sleep state. User is notified and then sleep proceeds. */
39 #define ACPIIO_REQSLPSTATE _IOW('P', 4, int)
41 /* Allow suspend to continue (0) or abort it (errno). */
42 #define ACPIIO_ACKSLPSTATE _IOW('P', 5, int)
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 */
51 #define ACPI_CMBAT_MAXSTRLEN 32
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 */
71 uint32_t state; /* Battery State */
72 uint32_t rate; /* Present Rate */
73 uint32_t cap; /* Remaining Capacity */
74 uint32_t volt; /* Present Voltage */
78 * Note that the following definitions represent status bits for internal
79 * driver state. The first three of them (charging, discharging and critical)
80 * conveninetly conform to ACPI specification of status returned by _BST
81 * method. Other definitions (not present, etc) are synthetic.
82 * Also note that according to the specification the charging and discharging
83 * status bits must not be set at the same time.
85 #define ACPI_BATT_STAT_DISCHARG 0x0001
86 #define ACPI_BATT_STAT_CHARGING 0x0002
87 #define ACPI_BATT_STAT_CRITICAL 0x0004
88 #define ACPI_BATT_STAT_INVALID \
89 (ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CHARGING)
90 #define ACPI_BATT_STAT_BST_MASK \
91 (ACPI_BATT_STAT_INVALID | ACPI_BATT_STAT_CRITICAL)
92 #define ACPI_BATT_STAT_NOT_PRESENT ACPI_BATT_STAT_BST_MASK
94 union acpi_battery_ioctl_arg {
95 int unit; /* Device unit or ACPI_BATTERY_ALL_UNITS. */
97 struct acpi_battinfo battinfo;
103 #define ACPI_BATTERY_ALL_UNITS (-1)
104 #define ACPI_BATT_UNKNOWN 0xffffffff /* _BST or _BIF value unknown. */
106 /* Common battery ioctls */
107 #define ACPIIO_BATT_GET_UNITS _IOR('B', 0x01, int)
108 #define ACPIIO_BATT_GET_BATTINFO _IOWR('B', 0x03, union acpi_battery_ioctl_arg)
109 #define ACPIIO_BATT_GET_BIF _IOWR('B', 0x10, union acpi_battery_ioctl_arg)
110 #define ACPIIO_BATT_GET_BST _IOWR('B', 0x11, union acpi_battery_ioctl_arg)
112 /* Control Method battery ioctls (deprecated) */
113 #define ACPIIO_CMBAT_GET_BIF ACPIIO_BATT_GET_BIF
114 #define ACPIIO_CMBAT_GET_BST ACPIIO_BATT_GET_BST
116 /* Get AC adapter status. */
117 #define ACPIIO_ACAD_GET_STATUS _IOR('A', 1, int)
120 typedef int (*acpi_ioctl_fn)(u_long cmd, caddr_t addr, void *arg);
121 extern int acpi_register_ioctl(u_long cmd, acpi_ioctl_fn fn, void *arg);
122 extern void acpi_deregister_ioctl(u_long cmd, acpi_ioctl_fn fn);
125 #endif /* !_ACPIIO_H_ */