1 /*	$OpenBSD: opl_isa.c,v 1.3 2002/03/14 01:26:56 millert Exp $	*/
2 /*	$NetBSD: opl_isa.c,v 1.1 1998/08/26 13:33:59 augustss Exp $	*/
3 
4 /*
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * Author: Lennart Augustsson
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/errno.h>
43 #include <sys/device.h>
44 #include <sys/malloc.h>
45 #include <sys/proc.h>
46 #include <sys/conf.h>
47 #include <sys/select.h>
48 #include <sys/audioio.h>
49 #include <sys/midiio.h>
50 
51 #include <machine/bus.h>
52 
53 #include <dev/audio_if.h>
54 #include <dev/midi_if.h>
55 
56 #include <dev/ic/oplreg.h>
57 #include <dev/ic/oplvar.h>
58 
59 #include <dev/isa/isavar.h>
60 
61 #define OPL_SIZE 4
62 
63 int	opl_isa_match(struct device *, void *, void *);
64 void	opl_isa_attach(struct device *, struct device *, void *);
65 
66 struct cfattach opl_isa_ca = {
67 	sizeof (struct opl_softc), opl_isa_match, opl_isa_attach
68 };
69 
70 int
opl_isa_match(parent,match,aux)71 opl_isa_match(parent, match, aux)
72 	struct device *parent;
73 	void *match;
74 	void *aux;
75 {
76 	struct isa_attach_args *ia = aux;
77 	struct opl_softc sc;
78 	int r;
79 
80 	memset(&sc, 0, sizeof sc);
81 	sc.iot = ia->ia_iot;
82 	if (bus_space_map(sc.iot, ia->ia_iobase, OPL_SIZE, 0, &sc.ioh))
83 		return (0);
84 	r = opl_find(&sc);
85         bus_space_unmap(sc.iot, sc.ioh, OPL_SIZE);
86 	return (r);
87 }
88 
89 void
opl_isa_attach(parent,self,aux)90 opl_isa_attach(parent, self, aux)
91 	struct device *parent;
92 	struct device *self;
93 	void *aux;
94 {
95 	struct opl_softc *sc = (struct opl_softc *)self;
96 	struct isa_attach_args *ia = aux;
97 
98 	if (bus_space_map(sc->iot, ia->ia_iobase, OPL_SIZE, 0, &sc->ioh)) {
99 		printf("opl_isa_attach: bus_space_map failed\n");
100 		return;
101 	}
102 	sc->offs = 0;
103 
104 	opl_attach(sc);
105 }
106