2 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $Id: acpiconf.c,v 1.5 2000/08/08 14:12:19 iwasaki Exp $
30 #include <sys/param.h>
35 #include <sys/ioctl.h>
39 #include <dev/acpica/acpiio.h>
41 #include <contrib/dev/acpica/include/acpi.h>
43 #define ACPIDEV "/dev/acpi"
50 acpifd = open(ACPIDEV, O_RDWR);
52 acpifd = open(ACPIDEV, O_RDONLY);
54 err(EX_OSFILE, ACPIDEV);
57 /* Prepare to sleep and then wait for the signal that sleeping can occur. */
59 acpi_sleep(int sleep_type)
63 /* Notify OS that we want to sleep. devd(8) gets this notify. */
64 ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
66 err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
69 /* Ack or abort a pending suspend request. */
71 acpi_sleep_ack(int err_val)
75 ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
77 err(EX_IOERR, "ack sleep type failed");
80 /* should be a acpi define, but doesn't appear to be */
81 #define UNKNOWN_CAP 0xffffffff
82 #define UNKNOWN_VOLTAGE 0xffffffff
85 acpi_battinfo(int num)
87 union acpi_battery_ioctl_arg battio;
88 const char *pwr_units;
92 if (num < 0 || num > 64)
93 err(EX_USAGE, "invalid battery %d", num);
95 /* Print battery design information. */
97 if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1)
98 err(EX_IOERR, "get battery info (%d) failed", num);
99 amp = battio.bif.units;
100 pwr_units = amp ? "mA" : "mW";
101 if (battio.bif.dcap == UNKNOWN_CAP)
102 printf("Design capacity:\tunknown\n");
104 printf("Design capacity:\t%d %sh\n", battio.bif.dcap,
106 if (battio.bif.lfcap == UNKNOWN_CAP)
107 printf("Last full capacity:\tunknown\n");
109 printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap,
111 printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
112 "primary (non-rechargeable)" : "secondary (rechargeable)");
113 if (battio.bif.dvol == UNKNOWN_CAP)
114 printf("Design voltage:\t\tunknown\n");
116 printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
117 printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units);
118 printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units);
119 printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units);
120 printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units);
121 printf("Model number:\t\t%s\n", battio.bif.model);
122 printf("Serial number:\t\t%s\n", battio.bif.serial);
123 printf("Type:\t\t\t%s\n", battio.bif.type);
124 printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
126 /* Fetch battery voltage information. */
127 volt = UNKNOWN_VOLTAGE;
129 if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
130 err(EX_IOERR, "get battery status (%d) failed", num);
131 if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT)
132 volt = battio.bst.volt;
134 /* Print current battery state information. */
136 if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
137 err(EX_IOERR, "get battery user info (%d) failed", num);
138 if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
140 switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) {
144 case ACPI_BATT_STAT_DISCHARG:
145 state = "discharging";
147 case ACPI_BATT_STAT_CHARGING:
150 case ACPI_BATT_STAT_CRITICAL:
153 case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL:
154 state = "critical discharging";
156 case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL:
157 state = "critical charging";
162 printf("State:\t\t\t%s\n", state);
163 if (battio.battinfo.cap == -1)
164 printf("Remaining capacity:\tunknown\n");
166 printf("Remaining capacity:\t%d%%\n",
167 battio.battinfo.cap);
168 if (battio.battinfo.min == -1)
169 printf("Remaining time:\t\tunknown\n");
171 hours = battio.battinfo.min / 60;
172 min = battio.battinfo.min % 60;
173 printf("Remaining time:\t\t%d:%02d\n", hours, min);
175 if (battio.battinfo.rate == -1)
176 printf("Present rate:\t\tunknown\n");
177 else if (amp && volt != UNKNOWN_VOLTAGE) {
178 printf("Present rate:\t\t%d mA (%d mW)\n",
179 battio.battinfo.rate,
180 battio.battinfo.rate * volt / 1000);
182 printf("Present rate:\t\t%d %s\n",
183 battio.battinfo.rate, pwr_units);
185 printf("State:\t\t\tnot present\n");
187 /* Print battery voltage information. */
188 if (volt == UNKNOWN_VOLTAGE)
189 printf("Present voltage:\tunknown\n");
191 printf("Present voltage:\t%d mV\n", volt);
197 usage(const char* prog)
199 printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
204 main(int argc, char *argv[])
216 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
219 acpi_battinfo(atoi(optarg));
222 acpi_sleep_ack(atoi(optarg));
225 if (optarg[0] == 'S')
226 sleep_type = optarg[1] - '0';
228 sleep_type = optarg[0] - '0';
229 if (sleep_type < 1 || sleep_type > 4)
230 errx(EX_USAGE, "invalid sleep type (%d)",
242 if (sleep_type != -1)
243 acpi_sleep(sleep_type);