1 /* $OpenBSD: sb_isa.c,v 1.4 1999/01/02 01:33:39 niklas Exp $ */ 2 /* $NetBSD: sb_isa.c,v 1.15 1997/11/30 15:32:25 drochner Exp $ */ 3 4 /* 5 * Copyright (c) 1991-1993 Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the Computer Systems 19 * Engineering Group at Lawrence Berkeley Laboratory. 20 * 4. Neither the name of the University nor of the Laboratory may be used 21 * to endorse or promote products derived from this software without 22 * specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/errno.h> 41 #include <sys/ioctl.h> 42 #include <sys/syslog.h> 43 #include <sys/device.h> 44 #include <sys/proc.h> 45 46 #include <machine/bus.h> 47 48 #include <sys/audioio.h> 49 #include <dev/audio_if.h> 50 #include <dev/midi_if.h> 51 #include <dev/mulaw.h> 52 53 #include <dev/isa/isavar.h> 54 #include <dev/isa/isadmavar.h> 55 56 #include <dev/isa/sbreg.h> 57 #include <dev/isa/sbvar.h> 58 59 #include <dev/isa/sbdspvar.h> 60 61 static int sbfind __P((struct device *, struct sbdsp_softc *, struct isa_attach_args *)); 62 63 #define __BROKEN_INDIRECT_CONFIG /* XXX */ 64 #ifdef __BROKEN_INDIRECT_CONFIG 65 int sb_isa_match __P((struct device *, void *, void *)); 66 #else 67 int sb_isa_match __P((struct device *, struct cfdata *, void *)); 68 #endif 69 void sb_isa_attach __P((struct device *, struct device *, void *)); 70 71 struct cfattach sb_isa_ca = { 72 sizeof(struct sbdsp_softc), sb_isa_match, sb_isa_attach 73 }; 74 75 /* 76 * Probe / attach routines. 77 */ 78 79 /* 80 * Probe for the soundblaster hardware. 81 */ 82 int 83 sb_isa_match(parent, match, aux) 84 struct device *parent; 85 #ifdef __BROKEN_INDIRECT_CONFIG 86 void *match; 87 #else 88 struct cfdata *match; 89 #endif 90 void *aux; 91 { 92 struct sbdsp_softc probesc, *sc = &probesc; 93 94 bzero(sc, sizeof *sc); 95 #ifdef __BROKEN_INDIRECT_CONFIG 96 sc->sc_dev.dv_cfdata = ((struct device *)match)->dv_cfdata; 97 #else 98 sc->sc_dev.dv_cfdata = match; 99 #endif 100 strcpy(sc->sc_dev.dv_xname, "sb"); 101 return sbfind(parent, sc, aux); 102 } 103 104 static int 105 sbfind(parent, sc, ia) 106 struct device *parent; 107 struct sbdsp_softc *sc; 108 struct isa_attach_args *ia; 109 { 110 int rc = 0; 111 112 if (!SB_BASE_VALID(ia->ia_iobase)) 113 return 0; 114 115 sc->sc_iot = ia->ia_iot; 116 117 /* Map i/o space [we map 24 ports which is the max of the sb and pro */ 118 if (bus_space_map(sc->sc_iot, ia->ia_iobase, SBP_NPORT, 0, 119 &sc->sc_ioh)) 120 return 0; 121 122 sc->sc_iobase = ia->ia_iobase; 123 sc->sc_irq = ia->ia_irq; 124 sc->sc_drq8 = ia->ia_drq; 125 sc->sc_drq16 = ia->ia_drq2; 126 sc->sc_ic = ia->ia_ic; 127 128 if (!sbmatch(sc)) 129 goto bad; 130 131 if ((sc->sc_drq8 != -1 && !isa_drq_isfree(parent, sc->sc_drq8)) || 132 (sc->sc_drq16 != -1 && !isa_drq_isfree(parent, sc->sc_drq16))) 133 goto bad; 134 135 if (ISSBPROCLASS(sc)) 136 ia->ia_iosize = SBP_NPORT; 137 else 138 ia->ia_iosize = SB_NPORT; 139 140 if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ) 141 ia->ia_drq2 = -1; 142 143 ia->ia_irq = sc->sc_irq; 144 145 rc = 1; 146 147 bad: 148 bus_space_unmap(sc->sc_iot, sc->sc_ioh, SBP_NPORT); 149 return rc; 150 } 151 152 153 /* 154 * Attach hardware to driver, attach hardware driver to audio 155 * pseudo-device driver . 156 */ 157 void 158 sb_isa_attach(parent, self, aux) 159 struct device *parent, *self; 160 void *aux; 161 { 162 struct sbdsp_softc *sc = (struct sbdsp_softc *)self; 163 struct isa_attach_args *ia = aux; 164 165 if (!sbfind(parent, sc, ia) || 166 bus_space_map(sc->sc_iot, ia->ia_iobase, ia->ia_iosize, 0, 167 &sc->sc_ioh)) { 168 printf("%s: sbfind failed\n", sc->sc_dev.dv_xname); 169 return; 170 } 171 sc->sc_ic = ia->ia_ic; 172 sc->sc_isa = parent; 173 sbattach(sc); 174 } 175