opl_ess.c revision 1.17 
1/*	$NetBSD: opl_ess.c,v 1.17 2011/11/23 23:07:32 jmcneill Exp $	*/
2
3/*-
4 * Copyright (c) 1999, 2008 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 *
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_ess.c,v 1.17 2011/11/23 23:07:32 jmcneill 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/essvar.h>
56
57extern int	ess_speaker_ctl(void *, int);
58
59int	opl_ess_match(device_t, cfdata_t, void *);
60void	opl_ess_attach(device_t, device_t, void *);
61
62CFATTACH_DECL_NEW(opl_ess, sizeof(struct opl_softc),
63    opl_ess_match, opl_ess_attach, NULL, NULL);
64
65int
66opl_ess_match(device_t parent, cfdata_t match, void *aux)
67{
68	struct audio_attach_args *aa = (struct audio_attach_args *)aux;
69	struct ess_softc *ssc = device_private(parent);
70
71	if (aa->type != AUDIODEV_TYPE_OPL)
72		return (0);
73	return opl_match(ssc->sc_iot, ssc->sc_ioh, 0);
74}
75
76void
77opl_ess_attach(device_t parent, device_t self, void *aux)
78{
79	struct ess_softc *ssc = device_private(parent);
80	struct opl_softc *sc = device_private(self);
81
82	sc->mididev.dev = self;
83	sc->ioh = ssc->sc_ioh;
84	sc->iot = ssc->sc_iot;
85	sc->offs = 0;
86	sc->spkrctl = ess_speaker_ctl;
87	sc->spkrarg = ssc;
88	sc->lock = &ssc->sc_intr_lock;
89	strcpy(sc->syn.name, "ESS ");
90
91	opl_attach(sc);
92}
93