1 /* $NetBSD: opl_isa.c,v 1.4 2000/02/26 05:11:27 thorpej 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/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/errno.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 #include <sys/proc.h> 46 #include <sys/conf.h> 47 #include <sys/select.h> 48 #include <sys/audioio.h> 49 #include <sys/midiio.h> 50 51 #include <machine/bus.h> 52 53 #include <dev/audio_if.h> 54 #include <dev/midi_if.h> 55 56 #include <dev/ic/oplreg.h> 57 #include <dev/ic/oplvar.h> 58 59 #include <dev/isa/isavar.h> 60 61 #define OPL_SIZE 4 62 63 int opl_isa_match __P((struct device *, struct cfdata *, void *)); 64 void opl_isa_attach __P((struct device *, struct device *, void *)); 65 66 struct cfattach opl_isa_ca = { 67 sizeof (struct opl_softc), opl_isa_match, opl_isa_attach 68 }; 69 70 int 71 opl_isa_match(parent, match, aux) 72 struct device *parent; 73 struct cfdata *match; 74 void *aux; 75 { 76 struct isa_attach_args *ia = aux; 77 struct opl_softc sc; 78 int r; 79 80 memset(&sc, 0, sizeof sc); 81 sc.iot = ia->ia_iot; 82 if (bus_space_map(sc.iot, ia->ia_iobase, OPL_SIZE, 0, &sc.ioh)) 83 return (0); 84 r = opl_find(&sc); 85 bus_space_unmap(sc.iot, sc.ioh, OPL_SIZE); 86 if (r != 0) 87 ia->ia_iosize = OPL_SIZE; 88 return (r); 89 } 90 91 void 92 opl_isa_attach(parent, self, aux) 93 struct device *parent; 94 struct device *self; 95 void *aux; 96 { 97 struct opl_softc *sc = (struct opl_softc *)self; 98 struct isa_attach_args *ia = aux; 99 100 sc->iot = ia->ia_iot; 101 102 if (bus_space_map(sc->iot, ia->ia_iobase, OPL_SIZE, 0, &sc->ioh)) { 103 printf("opl_isa_attach: bus_space_map failed\n"); 104 return; 105 } 106 sc->offs = 0; 107 108 opl_attach(sc); 109 } 110