1/*-
2 * Copyright (c) 1999 Nick Sayer (who stole shamelessly from blank_saver)
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 *    without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/condvar.h>
34#include <sys/kernel.h>
35#include <sys/kthread.h>
36#include <sys/lock.h>
37#include <sys/module.h>
38#include <sys/mutex.h>
39#include <sys/consio.h>
40#include <sys/fbio.h>
41
42#include <dev/fb/fbreg.h>
43#include <dev/fb/splashreg.h>
44#include <dev/syscons/syscons.h>
45
46#include <sys/selinfo.h>
47#include <machine/apm_bios.h>
48#include <machine/pc/bios.h>
49#include <machine/bus.h>
50#include <i386/bios/apm.h>
51
52extern int apm_display(int newstate);
53
54extern struct apm_softc apm_softc;
55
56static int blanked=0;
57
58static int
59apm_saver(video_adapter_t *adp, int blank)
60{
61	if (!apm_softc.initialized || !apm_softc.active)
62		return 0;
63
64	if (blank==blanked)
65		return 0;
66
67	blanked=blank;
68
69	apm_display(!blanked);
70
71	return 0;
72}
73
74static int
75apm_init(video_adapter_t *adp)
76{
77	if (!apm_softc.initialized || !apm_softc.active)
78		printf("WARNING: apm_saver module requires apm enabled\n");
79	return 0;
80}
81
82static int
83apm_term(video_adapter_t *adp)
84{
85	return 0;
86}
87
88static scrn_saver_t apm_module = {
89	"apm_saver", apm_init, apm_term, apm_saver, NULL,
90};
91
92SAVER_MODULE(apm_saver, apm_module);
93MODULE_DEPEND(apm_saver, apm, 1, 1, 1);
94