acpiconf.c revision 170976
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 170976 2007-06-21 22:50:37Z njl $
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#include <contrib/dev/acpica/acpi.h>
41
42#define ACPIDEV		"/dev/acpi"
43
44static int	acpifd;
45
46static void
47acpi_init(void)
48{
49	acpifd = open(ACPIDEV, O_RDWR);
50	if (acpifd == -1)
51		acpifd = open(ACPIDEV, O_RDONLY);
52	if (acpifd == -1)
53		err(EX_OSFILE, ACPIDEV);
54}
55
56/* Prepare to sleep and then wait for the signal that sleeping can occur. */
57static void
58acpi_sleep(int sleep_type)
59{
60	int ret;
61
62	/* Notify OS that we want to sleep.  devd(8) gets this notify. */
63	ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
64	if (ret != 0)
65		err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
66}
67
68/* Ack or abort a pending suspend request. */
69static void
70acpi_sleep_ack(int err_val)
71{
72	int ret;
73
74	ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
75	if (ret != 0)
76		err(EX_IOERR, "ack sleep type failed");
77}
78
79/* should be a acpi define, but doesn't appear to be */
80#define UNKNOWN_CAP 0xffffffff
81#define UNKNOWN_VOLTAGE 0xffffffff
82
83static int
84acpi_battinfo(int num)
85{
86	union acpi_battery_ioctl_arg battio;
87	const char *pwr_units;
88	int hours, min;
89
90	if (num < 0 || num > 64)
91		err(EX_USAGE, "invalid battery %d", num);
92
93	/* Print battery design information. */
94	battio.unit = num;
95	if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1)
96		err(EX_IOERR, "get battery info (%d) failed", num);
97	if (battio.bif.units == 0)
98		pwr_units = "mW";
99	else
100		pwr_units = "mA";
101
102	if (battio.bif.dcap == UNKNOWN_CAP)
103		printf("Design capacity:\tunknown\n");
104	else
105		printf("Design capacity:\t%d %sh\n", battio.bif.dcap,
106		    pwr_units);
107	if (battio.bif.lfcap == UNKNOWN_CAP)
108		printf("Last full capacity:\tunknown\n");
109	else
110		printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap,
111		    pwr_units);
112	printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
113	    "primary (non-rechargeable)" : "secondary (rechargeable)");
114	if (battio.bif.dvol == UNKNOWN_CAP)
115		printf("Design voltage:\t\tunknown\n");
116	else
117		printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
118	printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units);
119	printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units);
120	printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units);
121	printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units);
122	printf("Model number:\t\t%s\n", battio.bif.model);
123	printf("Serial number:\t\t%s\n", battio.bif.serial);
124	printf("Type:\t\t\t%s\n", battio.bif.type);
125	printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
126
127	/* Print current battery state information. */
128	battio.unit = num;
129	if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
130		err(EX_IOERR, "get battery user info (%d) failed", num);
131	if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
132		printf("State:\t\t\t");
133		if (battio.battinfo.state == 0)
134			printf("high ");
135		if (battio.battinfo.state & ACPI_BATT_STAT_CRITICAL)
136			printf("critical ");
137		if (battio.battinfo.state & ACPI_BATT_STAT_DISCHARG)
138			printf("discharging ");
139		if (battio.battinfo.state & ACPI_BATT_STAT_CHARGING)
140			printf("charging ");
141		printf("\n");
142		if (battio.battinfo.cap == -1)
143			printf("Remaining capacity:\tunknown\n");
144		else
145			printf("Remaining capacity:\t%d%%\n",
146			    battio.battinfo.cap);
147		if (battio.battinfo.min == -1)
148			printf("Remaining time:\t\tunknown\n");
149		else {
150			hours = battio.battinfo.min / 60;
151			min = battio.battinfo.min % 60;
152			printf("Remaining time:\t\t%d:%02d\n", hours, min);
153		}
154		if (battio.battinfo.rate == -1)
155			printf("Present rate:\t\tunknown\n");
156		else
157			printf("Present rate:\t\t%d %s\n",
158			    battio.battinfo.rate, pwr_units);
159	} else
160		printf("State:\t\t\tnot present\n");
161
162	/* Print battery voltage information. */
163	battio.unit = num;
164	if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
165		err(EX_IOERR, "get battery status (%d) failed", num);
166	if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT) {
167		if (battio.bst.volt == UNKNOWN_VOLTAGE)
168			printf("Voltage:\t\tunknown\n");
169		else
170			printf("Voltage:\t\t%d mV\n", battio.bst.volt);
171	}
172
173	return (0);
174}
175
176static void
177usage(const char* prog)
178{
179	printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
180	exit(0);
181}
182
183int
184main(int argc, char *argv[])
185{
186	char	c, *prog;
187	int	sleep_type;
188
189	prog = argv[0];
190	if (argc < 2)
191		usage(prog);
192		/* NOTREACHED */
193
194	sleep_type = -1;
195	acpi_init();
196	while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
197		switch (c) {
198		case 'i':
199			acpi_battinfo(atoi(optarg));
200			break;
201		case 'k':
202			acpi_sleep_ack(atoi(optarg));
203			break;
204		case 's':
205			if (optarg[0] == 'S')
206				sleep_type = optarg[1] - '0';
207			else
208				sleep_type = optarg[0] - '0';
209			if (sleep_type < 1 || sleep_type > 4)
210				errx(EX_USAGE, "invalid sleep type (%d)",
211				     sleep_type);
212			break;
213		case 'h':
214		default:
215			usage(prog);
216			/* NOTREACHED */
217		}
218	}
219	argc -= optind;
220	argv += optind;
221
222	if (sleep_type != -1)
223		acpi_sleep(sleep_type);
224
225	close(acpifd);
226	exit (0);
227}
228