opl_ess.c revision 1.13 
1/*	$NetBSD: opl_ess.c,v 1.13 2006/11/16 01:33:00 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1999 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.
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/cdefs.h>
40__KERNEL_RCSID(0, "$NetBSD: opl_ess.c,v 1.13 2006/11/16 01:33:00 christos Exp $");
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/kernel.h>
45#include <sys/errno.h>
46#include <sys/device.h>
47#include <sys/malloc.h>
48#include <sys/proc.h>
49#include <sys/conf.h>
50#include <sys/select.h>
51#include <sys/audioio.h>
52#include <sys/midiio.h>
53
54#include <machine/bus.h>
55
56#include <dev/audio_if.h>
57#include <dev/midi_if.h>
58#include <dev/ic/oplreg.h>
59#include <dev/ic/oplvar.h>
60
61#include <dev/isa/isavar.h>
62#include <dev/isa/essvar.h>
63
64extern int	ess_speaker_ctl(void *, int);
65
66int	opl_ess_match(struct device *, struct cfdata *, void *);
67void	opl_ess_attach(struct device *, struct device *, void *);
68
69CFATTACH_DECL(opl_ess, sizeof(struct opl_softc),
70    opl_ess_match, opl_ess_attach, NULL, NULL);
71
72int
73opl_ess_match(struct device *parent, struct cfdata *match, void *aux)
74{
75	struct audio_attach_args *aa = (struct audio_attach_args *)aux;
76	struct ess_softc *ssc = (struct ess_softc *)parent;
77
78	if (aa->type != AUDIODEV_TYPE_OPL)
79		return (0);
80	return opl_match(ssc->sc_iot, ssc->sc_ioh, 0);
81}
82
83void
84opl_ess_attach(struct device *parent, struct device *self, void *aux)
85{
86	struct ess_softc *ssc = (struct ess_softc *)parent;
87	struct opl_softc *sc = (struct opl_softc *)self;
88
89	sc->ioh = ssc->sc_ioh;
90	sc->iot = ssc->sc_iot;
91	sc->offs = 0;
92	sc->spkrctl = ess_speaker_ctl;
93	sc->spkrarg = ssc;
94	strcpy(sc->syn.name, "ESS ");
95
96	opl_attach(sc);
97}
98