1 /* $OpenBSD: midi_pcppi.c,v 1.5 2006/01/02 05:21:40 brad Exp $ */
2 /* $NetBSD: midi_pcppi.c,v 1.4 1998/11/25 22:17:06 augustss Exp $ */
3
4 /*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson (augustss@netbsd.org).
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/errno.h>
44 #include <sys/device.h>
45 #include <sys/malloc.h>
46 #include <sys/proc.h>
47 #include <sys/conf.h>
48 #include <sys/selinfo.h>
49 #include <sys/audioio.h>
50 #include <sys/midiio.h>
51
52 #include <dev/isa/pcppivar.h>
53
54 #include <dev/audio_if.h>
55 #include <dev/midi_if.h>
56 #include <dev/midivar.h>
57 #include <dev/midisynvar.h>
58
59 #define MAX_DURATION 30 /* turn off sound automagically after 30 s */
60
61 struct midi_pcppi_softc {
62 struct midi_softc sc_mididev;
63 midisyn sc_midisyn;
64 };
65
66 int midi_pcppi_match(struct device *, void *, void *);
67 void midi_pcppi_attach(struct device *, struct device *, void *);
68
69 void midi_pcppi_on(midisyn *, u_int32_t, u_int32_t, u_int32_t);
70 void midi_pcppi_off(midisyn *, u_int32_t, u_int32_t, u_int32_t);
71 void midi_pcppi_close(midisyn *);
72
73 struct cfattach midi_pcppi_ca = {
74 sizeof(struct midi_pcppi_softc), midi_pcppi_match, midi_pcppi_attach
75 };
76
77 struct midisyn_methods midi_pcppi_hw = {
78 0, /* open */
79 midi_pcppi_close,
80 0, /* ioctl */
81 0, /* allocv */
82 midi_pcppi_on,
83 midi_pcppi_off,
84 0,
85 0,
86 0,
87 0,
88 0,
89 0,
90 };
91
92 int midi_pcppi_attached = 0; /* Not very nice */
93
94 int
95 midi_pcppi_match(parent, match, aux)
96 struct device *parent;
97 void *match;
98 void *aux;
99 {
100 return (!midi_pcppi_attached);
101 }
102
103 void
104 midi_pcppi_attach(parent, self, aux)
105 struct device *parent;
106 struct device *self;
107 void *aux;
108 {
109 struct midi_pcppi_softc *sc = (struct midi_pcppi_softc *)self;
110 struct pcppi_attach_args *pa = (struct pcppi_attach_args *)aux;
111 midisyn *ms;
112
113 ms = &sc->sc_midisyn;
114 ms->mets = &midi_pcppi_hw;
115 strlcpy(ms->name, "PC speaker", sizeof ms->name);
116 ms->nvoice = 1;
117 ms->flags = MS_DOALLOC | MS_FREQXLATE;
118 ms->data = pa->pa_cookie;
119
120 midi_pcppi_attached++;
121
122 midisyn_attach(&sc->sc_mididev, ms);
123 midi_attach(&sc->sc_mididev, parent);
124 }
125
126 void
127 midi_pcppi_on(ms, chan, note, vel)
128 midisyn *ms;
129 u_int32_t chan, note, vel;
130 {
131 pcppi_tag_t t = ms->data;
132
133 /*printf("ON %p %d\n", t, MIDISYN_FREQ_TO_HZ(note));*/
134 pcppi_bell(t, MIDISYN_FREQ_TO_HZ(note), MAX_DURATION * hz, 0);
135 }
136
137 void
138 midi_pcppi_off(ms, chan, note, vel)
139 midisyn *ms;
140 u_int32_t chan, note, vel;
141 {
142 pcppi_tag_t t = ms->data;
143
144 /*printf("OFF %p %d\n", t, note >> 16);*/
145 pcppi_bell(t, 0, 0, 0);
146 }
147
148 void
149 midi_pcppi_close(ms)
150 midisyn *ms;
151 {
152 pcppi_tag_t t = ms->data;
153
154 /* Make sure we are quiet. */
155 pcppi_bell(t, 0, 0, 0);
156 }