opl_sb.c revision 1.2 
1/*	$NetBSD: opl_sb.c,v 1.2 1998/08/26 12:10:23 augustss Exp $	*/
2
3/*
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Author: Lennart Augustsson
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *        This product includes software developed by the NetBSD
20 *        Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 *    contributors may be used to endorse or promote products derived
23 *    from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/errno.h>
42#include <sys/device.h>
43#include <sys/malloc.h>
44#include <sys/proc.h>
45#include <sys/conf.h>
46#include <sys/select.h>
47#include <sys/audioio.h>
48#include <sys/midiio.h>
49
50#include <machine/bus.h>
51
52#include <dev/audio_if.h>
53#include <dev/midi_if.h>
54#include <dev/ic/oplreg.h>
55#include <dev/ic/oplvar.h>
56
57#include <dev/isa/isavar.h>
58#include <dev/isa/sbdspvar.h>
59
60int	opl_sb_match __P((struct device *, struct cfdata *, void *));
61void	opl_sb_attach __P((struct device *, struct device *, void *));
62
63struct cfattach opl_sb_ca = {
64	sizeof (struct opl_softc), opl_sb_match, opl_sb_attach
65};
66
67int
68opl_sb_match(parent, match, aux)
69	struct device *parent;
70	struct cfdata *match;
71	void *aux;
72{
73	struct audio_attach_args *aa = (struct audio_attach_args *)aux;
74	struct sbdsp_softc *ssc = (struct sbdsp_softc *)parent;
75	struct opl_softc sc;
76
77	if (aa->type != AUDIODEV_TYPE_OPL)
78		return (0);
79	memset(&sc, 0, sizeof sc);
80	sc.ioh = ssc->sc_ioh;
81	sc.iot = ssc->sc_iot;
82	return (opl_find(&sc));
83}
84
85void
86opl_sb_attach(parent, self, aux)
87	struct device *parent;
88	struct device *self;
89	void *aux;
90{
91	struct  sbdsp_softc *ssc = (struct sbdsp_softc *)parent;
92	struct opl_softc *sc = (struct opl_softc *)self;
93
94	sc->ioh = ssc->sc_ioh;
95	sc->iot = ssc->sc_iot;
96	sc->offs = 0;
97	sc->spkrctl = sbdsp_speaker_ctl;
98	sc->spkrarg = ssc;
99
100	opl_attach(sc);
101}
102