acpiconf.c revision 65284 
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 65284 2000-08-31 14:41:23Z iwasaki $
28 */
29
30#include <sys/param.h>
31#include <sys/acpi.h>
32
33#include <err.h>
34#include <fcntl.h>
35#include <stdio.h>
36#include <unistd.h>
37
38#define ACPIDEV	"/dev/acpi"
39
40static int
41acpi_enable_disable(int enable)
42{
43	int	fd;
44
45	fd  = open(ACPIDEV, O_RDWR);
46	if (fd == -1) {
47		err(1, NULL);
48	}
49	if (ioctl(fd, enable, NULL) == -1) {
50		err(1, NULL);
51	}
52	close(fd);
53
54	return (0);
55}
56
57static int
58acpi_sleep(int sleep_type)
59{
60	int	fd;
61
62	fd  = open(ACPIDEV, O_RDWR);
63	if (fd == -1) {
64		err(1, NULL);
65	}
66	if (ioctl(fd, ACPIIO_SETSLPSTATE, &sleep_type) == -1) {
67		err(1, NULL);
68	}
69	close(fd);
70
71	return (0);
72}
73
74int
75main(int argc, char *argv[])
76{
77	char	c;
78	int	sleep_type;
79
80	sleep_type = -1;
81	while ((c = getopt(argc, argv, "eds:")) != -1) {
82		switch (c) {
83		case 'e':
84			acpi_enable_disable(ACPIIO_ENABLE);
85			break;
86
87		case 'd':
88			acpi_enable_disable(ACPIIO_DISABLE);
89			break;
90
91		case 's':
92			sleep_type = *optarg - '0';
93			if (sleep_type < ACPI_S_STATE_S0 || sleep_type > ACPI_S_STATE_S5) {
94				fprintf(stderr, "%s: invalid sleep type (%d)\n",
95				    argv[0], sleep_type);
96				return -1;
97			}
98			break;
99		default:
100			argc -= optind;
101			argv += optind;
102		}
103	}
104
105	if (sleep_type != -1) {
106		sleep(1);	/* wait 1 sec. for key-release event */
107		acpi_sleep(sleep_type);
108	}
109	return (0);
110}
111