Annotation of sys/dev/isa/opl_isa.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: opl_isa.c,v 1.4 2005/11/21 18:16:40 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/selinfo.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
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
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: }
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