1 /* $NetBSD: midi_pcppi.c,v 1.3 1998/08/17 21:16:14 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Lennart Augustsson 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/errno.h> 42 #include <sys/device.h> 43 #include <sys/malloc.h> 44 #include <sys/proc.h> 45 #include <sys/conf.h> 46 #include <sys/select.h> 47 #include <sys/audioio.h> 48 #include <sys/midiio.h> 49 50 #include <dev/isa/pcppivar.h> 51 52 #include <dev/audio_if.h> 53 #include <dev/midi_if.h> 54 #include <dev/midivar.h> 55 #include <dev/midisynvar.h> 56 57 #define MAX_DURATION 30 /* turn off sound automagically after 30 s */ 58 59 struct midi_pcppi_softc { 60 struct midi_softc sc_mididev; 61 midisyn sc_midisyn; 62 }; 63 64 int midi_pcppi_match __P((struct device *, struct cfdata *, void *)); 65 void midi_pcppi_attach __P((struct device *, struct device *, void *)); 66 67 void midi_pcppi_on __P((midisyn *, u_int32_t, u_int32_t, u_int32_t)); 68 void midi_pcppi_off __P((midisyn *, u_int32_t, u_int32_t, u_int32_t)); 69 void midi_pcppi_close __P((midisyn *)); 70 71 struct cfattach midi_pcppi_ca = { 72 sizeof(struct midi_pcppi_softc), midi_pcppi_match, midi_pcppi_attach 73 }; 74 75 struct midisyn_methods midi_pcppi_hw = { 76 0, /* open */ 77 midi_pcppi_close, 78 0, /* ioctl */ 79 0, /* allocv */ 80 midi_pcppi_on, 81 midi_pcppi_off, 82 0, 83 0, 84 0, 85 0, 86 0, 87 0, 88 }; 89 90 int midi_pcppi_attached = 0; /* Not very nice */ 91 92 int 93 midi_pcppi_match(parent, match, aux) 94 struct device *parent; 95 struct cfdata *match; 96 void *aux; 97 { 98 return (!midi_pcppi_attached); 99 } 100 101 void 102 midi_pcppi_attach(parent, self, aux) 103 struct device *parent; 104 struct device *self; 105 void *aux; 106 { 107 struct midi_pcppi_softc *sc = (struct midi_pcppi_softc *)self; 108 struct pcppi_attach_args *pa = (struct pcppi_attach_args *)aux; 109 midisyn *ms; 110 111 ms = &sc->sc_midisyn; 112 ms->mets = &midi_pcppi_hw; 113 strcpy(ms->name, "PC speaker"); 114 ms->nvoice = 1; 115 ms->flags = MS_DOALLOC | MS_FREQXLATE; 116 ms->data = pa->pa_cookie; 117 118 midi_pcppi_attached++; 119 120 midisyn_attach(&sc->sc_mididev, ms); 121 midi_attach(&sc->sc_mididev, parent); 122 } 123 124 void 125 midi_pcppi_on(ms, chan, note, vel) 126 midisyn *ms; 127 u_int32_t chan, note, vel; 128 { 129 pcppi_tag_t t = ms->data; 130 131 /*printf("ON %p %d\n", t, MIDISYN_FREQ_TO_HZ(note));*/ 132 pcppi_bell(t, MIDISYN_FREQ_TO_HZ(note), MAX_DURATION * hz, 0); 133 } 134 135 void 136 midi_pcppi_off(ms, chan, note, vel) 137 midisyn *ms; 138 u_int32_t chan, note, vel; 139 { 140 pcppi_tag_t t = ms->data; 141 142 /*printf("OFF %p %d\n", t, note >> 16);*/ 143 pcppi_bell(t, 0, 0, 0); 144 } 145 146 void 147 midi_pcppi_close(ms) 148 midisyn *ms; 149 { 150 pcppi_tag_t t = ms->data; 151 152 /* Make sure we are quiet. */ 153 pcppi_bell(t, 0, 0, 0); 154 } 155