1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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.
15 *
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
26 * SUCH DAMAGE.
27 *
28 * $Id: acpiconf.c,v 1.5 2000/08/08 14:12:19 iwasaki Exp $
29 */
30
31 #include <sys/param.h>
32
33 #include <err.h>
34 #include <fcntl.h>
35 #include <stdio.h>
36 #include <sys/ioctl.h>
37 #include <sysexits.h>
38 #include <unistd.h>
39
40 #include <dev/acpica/acpiio.h>
41
42 #include <contrib/dev/acpica/include/acpi.h>
43
44 #define ACPIDEV "/dev/acpi"
45
46 static int acpifd;
47
48 static void
acpi_init(void)49 acpi_init(void)
50 {
51 acpifd = open(ACPIDEV, O_RDWR);
52 if (acpifd == -1)
53 acpifd = open(ACPIDEV, O_RDONLY);
54 if (acpifd == -1)
55 err(EX_OSFILE, ACPIDEV);
56 }
57
58 /* Prepare to sleep and then wait for the signal that sleeping can occur. */
59 static void
acpi_sleep(int sleep_type)60 acpi_sleep(int sleep_type)
61 {
62 int ret;
63
64 /* Notify OS that we want to sleep. devd(8) gets this notify. */
65 ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
66 if (ret != 0)
67 err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
68 }
69
70 /* Ack or abort a pending suspend request. */
71 static void
acpi_sleep_ack(int err_val)72 acpi_sleep_ack(int err_val)
73 {
74 int ret;
75
76 ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
77 if (ret != 0)
78 err(EX_IOERR, "ack sleep type failed");
79 }
80
81 /* should be a acpi define, but doesn't appear to be */
82 #define UNKNOWN_CAP 0xffffffff
83 #define UNKNOWN_VOLTAGE 0xffffffff
84
85 static int
acpi_battinfo(int num)86 acpi_battinfo(int num)
87 {
88 union acpi_battery_ioctl_arg battio;
89 const char *pwr_units;
90 int hours, min, amp;
91 uint32_t volt;
92
93 if (num < 0 || num > 64)
94 errx(EX_USAGE, "invalid battery %d", num);
95
96 /* Print battery design information. */
97 battio.unit = num;
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");
104 else
105 printf("Design capacity:\t%d %sh\n", battio.bix.dcap,
106 pwr_units);
107 if (battio.bix.lfcap == UNKNOWN_CAP)
108 printf("Last full capacity:\tunknown\n");
109 else
110 printf("Last full capacity:\t%d %sh\n", battio.bix.lfcap,
111 pwr_units);
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");
122 else
123 printf("unknown\n");
124 }
125 if (battio.bix.dvol == UNKNOWN_CAP)
126 printf("Design voltage:\t\tunknown\n");
127 else
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",
138 battio.bix.stmax);
139 if (battio.bix.stmin != ACPI_BATT_UNKNOWN)
140 printf("Min Sampling Time:\t%d ms\n",
141 battio.bix.stmin);
142 printf("Max Average Interval:\t%d ms\n",
143 battio.bix.aimax);
144 printf("Min Average Interval:\t%d ms\n",
145 battio.bix.aimin);
146 }
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);
153
154 /* Fetch battery voltage information. */
155 volt = UNKNOWN_VOLTAGE;
156 battio.unit = num;
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;
161
162 /* Print current battery state information. */
163 battio.unit = num;
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) {
167 const char *state;
168 switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) {
169 case 0:
170 state = "high";
171 break;
172 case ACPI_BATT_STAT_DISCHARG:
173 state = "discharging";
174 break;
175 case ACPI_BATT_STAT_CHARGING:
176 state = "charging";
177 break;
178 case ACPI_BATT_STAT_CRITICAL:
179 state = "critical";
180 break;
181 case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL:
182 state = "critical discharging";
183 break;
184 case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL:
185 state = "critical charging";
186 break;
187 default:
188 state = "invalid";
189 }
190 printf("State:\t\t\t%s\n", state);
191 if (battio.battinfo.cap == -1)
192 printf("Remaining capacity:\tunknown\n");
193 else
194 printf("Remaining capacity:\t%d%%\n",
195 battio.battinfo.cap);
196 if (battio.battinfo.min == -1)
197 printf("Remaining time:\t\tunknown\n");
198 else {
199 hours = battio.battinfo.min / 60;
200 min = battio.battinfo.min % 60;
201 printf("Remaining time:\t\t%d:%02d\n", hours, min);
202 }
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);
209 } else
210 printf("Present rate:\t\t%d %s\n",
211 battio.battinfo.rate, pwr_units);
212 } else
213 printf("State:\t\t\tnot present\n");
214
215 /* Print battery voltage information. */
216 if (volt == UNKNOWN_VOLTAGE)
217 printf("Present voltage:\tunknown\n");
218 else
219 printf("Present voltage:\t%d mV\n", volt);
220
221 return (0);
222 }
223
224 static void
usage(const char * prog)225 usage(const char* prog)
226 {
227 printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
228 exit(0);
229 }
230
231 int
main(int argc,char * argv[])232 main(int argc, char *argv[])
233 {
234 char *prog, *end;
235 int c, sleep_type, battery, ack;
236 int iflag = 0, kflag = 0, sflag = 0;
237
238 prog = argv[0];
239 if (argc < 2)
240 usage(prog);
241 /* NOTREACHED */
242
243 sleep_type = -1;
244 acpi_init();
245 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
246 switch (c) {
247 case 'i':
248 iflag = 1;
249 battery = strtol(optarg, &end, 10);
250 if ((size_t)(end - optarg) != strlen(optarg))
251 errx(EX_USAGE, "invalid battery");
252 break;
253 case 'k':
254 kflag = 1;
255 ack = strtol(optarg, &end, 10);
256 if ((size_t)(end - optarg) != strlen(optarg))
257 errx(EX_USAGE, "invalid ack argument");
258 break;
259 case 's':
260 sflag = 1;
261 if (optarg[0] == 'S')
262 optarg++;
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)",
268 sleep_type);
269 break;
270 case 'h':
271 default:
272 usage(prog);
273 /* NOTREACHED */
274 }
275 }
276 argc -= optind;
277 argv += optind;
278
279 if (iflag != 0 && kflag != 0 && sflag != 0)
280 errx(EX_USAGE, "-i, -k and -s are mutually exclusive");
281
282 if (iflag != 0) {
283 if (kflag != 0)
284 errx(EX_USAGE, "-i and -k are mutually exclusive");
285 if (sflag != 0)
286 errx(EX_USAGE, "-i and -s are mutually exclusive");
287 acpi_battinfo(battery);
288 }
289
290 if (kflag != 0) {
291 if (sflag != 0)
292 errx(EX_USAGE, "-k and -s are mutually exclusive");
293 acpi_sleep_ack(ack);
294 }
295
296
297 if (sflag != 0)
298 acpi_sleep(sleep_type);
299
300 close(acpifd);
301 exit (0);
302 }
303