acpiconf.c revision 193531
1/*-
2 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 *
26 *	$Id: acpiconf.c,v 1.5 2000/08/08 14:12:19 iwasaki Exp $
27 *	$FreeBSD: head/usr.sbin/acpi/acpiconf/acpiconf.c 193531 2009-06-05 18:50:45Z jkim $
28 */
29
30#include <sys/param.h>
31
32#include <err.h>
33#include <fcntl.h>
34#include <stdio.h>
35#include <sys/ioctl.h>
36#include <sysexits.h>
37#include <unistd.h>
38
39#include <dev/acpica/acpiio.h>
40
41#include <contrib/dev/acpica/include/acpi.h>
42
43#define ACPIDEV		"/dev/acpi"
44
45static int	acpifd;
46
47static void
48acpi_init(void)
49{
50	acpifd = open(ACPIDEV, O_RDWR);
51	if (acpifd == -1)
52		acpifd = open(ACPIDEV, O_RDONLY);
53	if (acpifd == -1)
54		err(EX_OSFILE, ACPIDEV);
55}
56
57/* Prepare to sleep and then wait for the signal that sleeping can occur. */
58static void
59acpi_sleep(int sleep_type)
60{
61	int ret;
62
63	/* Notify OS that we want to sleep.  devd(8) gets this notify. */
64	ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
65	if (ret != 0)
66		err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
67}
68
69/* Ack or abort a pending suspend request. */
70static void
71acpi_sleep_ack(int err_val)
72{
73	int ret;
74
75	ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
76	if (ret != 0)
77		err(EX_IOERR, "ack sleep type failed");
78}
79
80/* should be a acpi define, but doesn't appear to be */
81#define UNKNOWN_CAP 0xffffffff
82#define UNKNOWN_VOLTAGE 0xffffffff
83
84static int
85acpi_battinfo(int num)
86{
87	union acpi_battery_ioctl_arg battio;
88	const char *pwr_units;
89	int hours, min;
90
91	if (num < 0 || num > 64)
92		err(EX_USAGE, "invalid battery %d", num);
93
94	/* Print battery design information. */
95	battio.unit = num;
96	if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1)
97		err(EX_IOERR, "get battery info (%d) failed", num);
98	if (battio.bif.units == 0)
99		pwr_units = "mW";
100	else
101		pwr_units = "mA";
102
103	if (battio.bif.dcap == UNKNOWN_CAP)
104		printf("Design capacity:\tunknown\n");
105	else
106		printf("Design capacity:\t%d %sh\n", battio.bif.dcap,
107		    pwr_units);
108	if (battio.bif.lfcap == UNKNOWN_CAP)
109		printf("Last full capacity:\tunknown\n");
110	else
111		printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap,
112		    pwr_units);
113	printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
114	    "primary (non-rechargeable)" : "secondary (rechargeable)");
115	if (battio.bif.dvol == UNKNOWN_CAP)
116		printf("Design voltage:\t\tunknown\n");
117	else
118		printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
119	printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units);
120	printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units);
121	printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units);
122	printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units);
123	printf("Model number:\t\t%s\n", battio.bif.model);
124	printf("Serial number:\t\t%s\n", battio.bif.serial);
125	printf("Type:\t\t\t%s\n", battio.bif.type);
126	printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
127
128	/* Print current battery state information. */
129	battio.unit = num;
130	if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
131		err(EX_IOERR, "get battery user info (%d) failed", num);
132	if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
133		printf("State:\t\t\t");
134		if (battio.battinfo.state == 0)
135			printf("high ");
136		if (battio.battinfo.state & ACPI_BATT_STAT_CRITICAL)
137			printf("critical ");
138		if (battio.battinfo.state & ACPI_BATT_STAT_DISCHARG)
139			printf("discharging ");
140		if (battio.battinfo.state & ACPI_BATT_STAT_CHARGING)
141			printf("charging ");
142		printf("\n");
143		if (battio.battinfo.cap == -1)
144			printf("Remaining capacity:\tunknown\n");
145		else
146			printf("Remaining capacity:\t%d%%\n",
147			    battio.battinfo.cap);
148		if (battio.battinfo.min == -1)
149			printf("Remaining time:\t\tunknown\n");
150		else {
151			hours = battio.battinfo.min / 60;
152			min = battio.battinfo.min % 60;
153			printf("Remaining time:\t\t%d:%02d\n", hours, min);
154		}
155		if (battio.battinfo.rate == -1)
156			printf("Present rate:\t\tunknown\n");
157		else
158			printf("Present rate:\t\t%d %s\n",
159			    battio.battinfo.rate, pwr_units);
160	} else
161		printf("State:\t\t\tnot present\n");
162
163	/* Print battery voltage information. */
164	battio.unit = num;
165	if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
166		err(EX_IOERR, "get battery status (%d) failed", num);
167	if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT) {
168		if (battio.bst.volt == UNKNOWN_VOLTAGE)
169			printf("Voltage:\t\tunknown\n");
170		else
171			printf("Voltage:\t\t%d mV\n", battio.bst.volt);
172	}
173
174	return (0);
175}
176
177static void
178usage(const char* prog)
179{
180	printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
181	exit(0);
182}
183
184int
185main(int argc, char *argv[])
186{
187	char	c, *prog;
188	int	sleep_type;
189
190	prog = argv[0];
191	if (argc < 2)
192		usage(prog);
193		/* NOTREACHED */
194
195	sleep_type = -1;
196	acpi_init();
197	while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
198		switch (c) {
199		case 'i':
200			acpi_battinfo(atoi(optarg));
201			break;
202		case 'k':
203			acpi_sleep_ack(atoi(optarg));
204			break;
205		case 's':
206			if (optarg[0] == 'S')
207				sleep_type = optarg[1] - '0';
208			else
209				sleep_type = optarg[0] - '0';
210			if (sleep_type < 1 || sleep_type > 4)
211				errx(EX_USAGE, "invalid sleep type (%d)",
212				     sleep_type);
213			break;
214		case 'h':
215		default:
216			usage(prog);
217			/* NOTREACHED */
218		}
219	}
220	argc -= optind;
221	argv += optind;
222
223	if (sleep_type != -1)
224		acpi_sleep(sleep_type);
225
226	close(acpifd);
227	exit (0);
228}
229