Scrap PC98 support.
[dragonfly.git] / sys / dev / misc / syscons / apm / apm_saver.c
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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: src/sys/modules/syscons/apm/apm_saver.c,v 1.1.4.2 2001/03/07 21:47:24 nsayer Exp $
7aa7bdf5 29 * $DragonFly: src/sys/dev/misc/syscons/apm/apm_saver.c,v 1.5 2005/02/13 03:02:25 swildner Exp $
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30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/module.h>
36#include <sys/consio.h>
37#include <sys/fbio.h>
38
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39#include <dev/video/fb/fbreg.h>
40#include <dev/video/fb/splashreg.h>
41#include "../syscons.h"
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42
43#include <sys/select.h>
44#include <machine/apm_bios.h>
45#include <machine/pc/bios.h>
984263bc 46#include <i386/apm/apm.h>
984263bc 47
38e94a25 48extern int apm_display (int newstate);
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49
50extern struct apm_softc apm_softc;
51
52static int blanked=0;
53
54static int
55apm_saver(video_adapter_t *adp, int blank)
56{
57 if (!apm_softc.initialized || !apm_softc.active)
58 return 0;
59
60 if (blank==blanked)
61 return 0;
62
63 blanked=blank;
64
65 apm_display(!blanked);
66
67 return 0;
68}
69
70static int
71apm_init(video_adapter_t *adp)
72{
73 if (!apm_softc.initialized || !apm_softc.active)
74 printf("WARNING: apm_saver module requires apm enabled\n");
75 return 0;
76}
77
78static int
79apm_term(video_adapter_t *adp)
80{
81 return 0;
82}
83
84static scrn_saver_t apm_module = {
85 "apm_saver", apm_init, apm_term, apm_saver, NULL,
86};
87
88SAVER_MODULE(apm_saver, apm_module);