midi_pcppi.c revision 1.8 
1/*	$NetBSD: midi_pcppi.c,v 1.8 2002/10/02 03:10:49 thorpej 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 * 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: midi_pcppi.c,v 1.8 2002/10/02 03:10:49 thorpej 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 <dev/isa/pcppivar.h>
55
56#include <dev/audio_if.h>
57#include <dev/midi_if.h>
58#include <dev/midivar.h>
59#include <dev/midisynvar.h>
60
61#define MAX_DURATION 30		/* turn off sound automagically after 30 s */
62
63struct midi_pcppi_softc {
64	struct midi_softc sc_mididev;
65	midisyn sc_midisyn;
66};
67
68int	midi_pcppi_match __P((struct device *, struct cfdata *, void *));
69void	midi_pcppi_attach __P((struct device *, struct device *, void *));
70
71void	midi_pcppi_on    __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
72void	midi_pcppi_off   __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
73void	midi_pcppi_close __P((midisyn *));
74
75CFATTACH_DECL(midi_pcppi, sizeof(struct midi_pcppi_softc),
76    midi_pcppi_match, midi_pcppi_attach, NULL, NULL);
77
78struct midisyn_methods midi_pcppi_hw = {
79	0,			/* open */
80	midi_pcppi_close,
81	0,			/* ioctl */
82	0,			/* allocv */
83	midi_pcppi_on,
84	midi_pcppi_off,
85	0,
86	0,
87	0,
88	0,
89	0,
90	0,
91};
92
93int midi_pcppi_attached = 0;	/* Not very nice */
94
95int
96midi_pcppi_match(parent, match, aux)
97	struct device *parent;
98	struct cfdata *match;
99	void *aux;
100{
101	return (!midi_pcppi_attached);
102}
103
104void
105midi_pcppi_attach(parent, self, aux)
106	struct device *parent;
107	struct device *self;
108	void *aux;
109{
110	struct midi_pcppi_softc *sc = (struct midi_pcppi_softc *)self;
111	struct pcppi_attach_args *pa = (struct pcppi_attach_args *)aux;
112	midisyn *ms;
113
114	ms = &sc->sc_midisyn;
115	ms->mets = &midi_pcppi_hw;
116	strcpy(ms->name, "PC speaker");
117	ms->nvoice = 1;
118	ms->flags = MS_DOALLOC | MS_FREQXLATE;
119	ms->data = pa->pa_cookie;
120
121	midi_pcppi_attached++;
122
123	midisyn_attach(&sc->sc_mididev, ms);
124	midi_attach(&sc->sc_mididev, parent);
125}
126
127void
128midi_pcppi_on(ms, chan, note, vel)
129	midisyn *ms;
130	u_int32_t chan, note, vel;
131{
132	pcppi_tag_t t = ms->data;
133
134	/*printf("ON  %p %d\n", t, MIDISYN_FREQ_TO_HZ(note));*/
135	pcppi_bell(t, MIDISYN_FREQ_TO_HZ(note), MAX_DURATION * hz, 0);
136}
137
138void
139midi_pcppi_off(ms, chan, note, vel)
140	midisyn *ms;
141	u_int32_t chan, note, vel;
142{
143	pcppi_tag_t t = ms->data;
144
145	/*printf("OFF %p %d\n", t, note >> 16);*/
146	pcppi_bell(t, 0, 0, 0);
147}
148
149void
150midi_pcppi_close(ms)
151	midisyn *ms;
152{
153	pcppi_tag_t t = ms->data;
154
155	/* Make sure we are quiet. */
156	pcppi_bell(t, 0, 0, 0);
157}
158