2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $Id: acpiconf.c,v 1.5 2000/08/08 14:12:19 iwasaki Exp $
31 #include <sys/param.h>
36 #include <sys/ioctl.h>
40 #include <dev/acpica/acpiio.h>
42 #include <contrib/dev/acpica/include/acpi.h>
44 #define ACPIDEV "/dev/acpi"
51 acpifd = open(ACPIDEV, O_RDWR);
53 acpifd = open(ACPIDEV, O_RDONLY);
55 err(EX_OSFILE, ACPIDEV);
58 /* Prepare to sleep and then wait for the signal that sleeping can occur. */
60 acpi_sleep(int sleep_type)
64 /* Notify OS that we want to sleep. devd(8) gets this notify. */
65 ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
67 err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
70 /* Ack or abort a pending suspend request. */
72 acpi_sleep_ack(int err_val)
76 ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
78 err(EX_IOERR, "ack sleep type failed");
81 /* should be a acpi define, but doesn't appear to be */
82 #define UNKNOWN_CAP 0xffffffff
83 #define UNKNOWN_VOLTAGE 0xffffffff
86 acpi_battinfo(int num)
88 union acpi_battery_ioctl_arg battio;
89 const char *pwr_units;
93 if (num < 0 || num > 64)
94 errx(EX_USAGE, "invalid battery %d", num);
96 /* Print battery design information. */
98 if (ioctl(acpifd, ACPIIO_BATT_GET_BIX, &battio) == -1)
99 err(EX_IOERR, "get battery info (%d) failed", num);
100 amp = battio.bix.units;
101 pwr_units = amp ? "mA" : "mW";
102 if (battio.bix.dcap == UNKNOWN_CAP)
103 printf("Design capacity:\tunknown\n");
105 printf("Design capacity:\t%d %sh\n", battio.bix.dcap,
107 if (battio.bix.lfcap == UNKNOWN_CAP)
108 printf("Last full capacity:\tunknown\n");
110 printf("Last full capacity:\t%d %sh\n", battio.bix.lfcap,
112 printf("Technology:\t\t%s\n", battio.bix.btech == 0 ?
113 "primary (non-rechargeable)" : "secondary (rechargeable)");
114 if (ACPI_BIX_REV_MIN_CHECK(battio.bix.rev, ACPI_BIX_REV_1)) {
115 printf("Battery Swappable Capability:\t");
116 if (battio.bix.scap == ACPI_BIX_SCAP_NO)
117 printf("Non-swappable\n");
118 else if (battio.bix.scap == ACPI_BIX_SCAP_COLD)
119 printf("cold swap\n");
120 else if (battio.bix.scap == ACPI_BIX_SCAP_HOT)
121 printf("hot swap\n");
125 if (battio.bix.dvol == UNKNOWN_CAP)
126 printf("Design voltage:\t\tunknown\n");
128 printf("Design voltage:\t\t%d mV\n", battio.bix.dvol);
129 printf("Capacity (warn):\t%d %sh\n", battio.bix.wcap, pwr_units);
130 printf("Capacity (low):\t\t%d %sh\n", battio.bix.lcap, pwr_units);
131 if (ACPI_BIX_REV_MIN_CHECK(battio.bix.rev, ACPI_BIX_REV_0)) {
132 if (battio.bix.cycles != ACPI_BATT_UNKNOWN)
133 printf("Cycle Count:\t\t%d\n", battio.bix.cycles);
134 printf("Measurement Accuracy:\t%d %%\n",
135 battio.bix.accuracy / 1000);
136 if (battio.bix.stmax != ACPI_BATT_UNKNOWN)
137 printf("Max Sampling Time:\t%d ms\n",
139 if (battio.bix.stmin != ACPI_BATT_UNKNOWN)
140 printf("Min Sampling Time:\t%d ms\n",
142 printf("Max Average Interval:\t%d ms\n",
144 printf("Min Average Interval:\t%d ms\n",
147 printf("Low/warn granularity:\t%d %sh\n", battio.bix.gra1, pwr_units);
148 printf("Warn/full granularity:\t%d %sh\n", battio.bix.gra2, pwr_units);
149 printf("Model number:\t\t%s\n", battio.bix.model);
150 printf("Serial number:\t\t%s\n", battio.bix.serial);
151 printf("Type:\t\t\t%s\n", battio.bix.type);
152 printf("OEM info:\t\t%s\n", battio.bix.oeminfo);
154 /* Fetch battery voltage information. */
155 volt = UNKNOWN_VOLTAGE;
157 if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
158 err(EX_IOERR, "get battery status (%d) failed", num);
159 if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT)
160 volt = battio.bst.volt;
162 /* Print current battery state information. */
164 if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
165 err(EX_IOERR, "get battery user info (%d) failed", num);
166 if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
168 switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) {
172 case ACPI_BATT_STAT_DISCHARG:
173 state = "discharging";
175 case ACPI_BATT_STAT_CHARGING:
178 case ACPI_BATT_STAT_CRITICAL:
181 case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL:
182 state = "critical discharging";
184 case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL:
185 state = "critical charging";
190 printf("State:\t\t\t%s\n", state);
191 if (battio.battinfo.cap == -1)
192 printf("Remaining capacity:\tunknown\n");
194 printf("Remaining capacity:\t%d%%\n",
195 battio.battinfo.cap);
196 if (battio.battinfo.min == -1)
197 printf("Remaining time:\t\tunknown\n");
199 hours = battio.battinfo.min / 60;
200 min = battio.battinfo.min % 60;
201 printf("Remaining time:\t\t%d:%02d\n", hours, min);
203 if (battio.battinfo.rate == -1)
204 printf("Present rate:\t\tunknown\n");
205 else if (amp && volt != UNKNOWN_VOLTAGE) {
206 printf("Present rate:\t\t%d mA (%d mW)\n",
207 battio.battinfo.rate,
208 battio.battinfo.rate * volt / 1000);
210 printf("Present rate:\t\t%d %s\n",
211 battio.battinfo.rate, pwr_units);
213 printf("State:\t\t\tnot present\n");
215 /* Print battery voltage information. */
216 if (volt == UNKNOWN_VOLTAGE)
217 printf("Present voltage:\tunknown\n");
219 printf("Present voltage:\t%d mV\n", volt);
225 usage(const char* prog)
227 printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
232 main(int argc, char *argv[])
235 int c, sleep_type, battery, ack;
236 int iflag = 0, kflag = 0, sflag = 0;
245 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
249 battery = strtol(optarg, &end, 10);
250 if ((size_t)(end - optarg) != strlen(optarg))
251 errx(EX_USAGE, "invalid battery");
255 ack = strtol(optarg, &end, 10);
256 if ((size_t)(end - optarg) != strlen(optarg))
257 errx(EX_USAGE, "invalid ack argument");
261 if (optarg[0] == 'S')
263 sleep_type = strtol(optarg, &end, 10);
264 if ((size_t)(end - optarg) != strlen(optarg))
265 errx(EX_USAGE, "invalid sleep type");
266 if (sleep_type < 1 || sleep_type > 4)
267 errx(EX_USAGE, "invalid sleep type (%d)",
279 if (iflag != 0 && kflag != 0 && sflag != 0)
280 errx(EX_USAGE, "-i, -k and -s are mutually exclusive");
284 errx(EX_USAGE, "-i and -k are mutually exclusive");
286 errx(EX_USAGE, "-i and -s are mutually exclusive");
287 acpi_battinfo(battery);
292 errx(EX_USAGE, "-k and -s are mutually exclusive");
298 acpi_sleep(sleep_type);