xref: /netbsd/sys/dev/isa/opl_sb.c (revision 6550d01e)
1 /*	$NetBSD: opl_sb.c,v 1.18 2008/04/28 20:23:52 martin Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson (augustss@NetBSD.org).
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: opl_sb.c,v 1.18 2008/04/28 20:23:52 martin Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/errno.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41 #include <sys/proc.h>
42 #include <sys/conf.h>
43 #include <sys/select.h>
44 #include <sys/audioio.h>
45 #include <sys/midiio.h>
46 
47 #include <sys/bus.h>
48 
49 #include <dev/audio_if.h>
50 #include <dev/midi_if.h>
51 #include <dev/ic/oplreg.h>
52 #include <dev/ic/oplvar.h>
53 
54 #include <dev/isa/isavar.h>
55 #include <dev/isa/sbdspvar.h>
56 
57 int	opl_sb_match(device_t, cfdata_t, void *);
58 void	opl_sb_attach(device_t, device_t, void *);
59 
60 CFATTACH_DECL_NEW(opl_sb, sizeof(struct opl_softc),
61     opl_sb_match, opl_sb_attach, NULL, NULL);
62 
63 int
64 opl_sb_match(device_t parent, cfdata_t match, void *aux)
65 {
66 	struct audio_attach_args *aa = (struct audio_attach_args *)aux;
67 	struct sbdsp_softc *ssc = device_private(parent);
68 
69 	if (aa->type != AUDIODEV_TYPE_OPL)
70 		return (0);
71 	return opl_match(ssc->sc_iot, ssc->sc_ioh, 0);
72 }
73 
74 void
75 opl_sb_attach(device_t parent, device_t self, void *aux)
76 {
77 	struct  sbdsp_softc *ssc = device_private(parent);
78 	struct opl_softc *sc = device_private(self);
79 
80 	sc->mididev.dev = self;
81 	sc->ioh = ssc->sc_ioh;
82 	sc->iot = ssc->sc_iot;
83 	sc->offs = 0;
84 	sc->spkrctl = sbdsp_speaker_ctl;
85 	sc->spkrarg = ssc;
86 	strcpy(sc->syn.name, "SB ");
87 
88 	opl_attach(sc);
89 }
90