1 /* $NetBSD: sb_isapnp.c,v 1.35 1999/10/18 05:11:39 itohy Exp $ */ 2 3 /* 4 * Copyright (c) 1991-1993 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the Computer Systems 18 * Engineering Group at Lawrence Berkeley Laboratory. 19 * 4. Neither the name of the University nor of the Laboratory may be used 20 * to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/errno.h> 40 #include <sys/ioctl.h> 41 #include <sys/syslog.h> 42 #include <sys/device.h> 43 #include <sys/proc.h> 44 45 #include <machine/bus.h> 46 47 #include <sys/audioio.h> 48 #include <dev/audio_if.h> 49 #include <dev/midi_if.h> 50 #include <dev/mulaw.h> 51 52 #include <dev/isa/isavar.h> 53 #include <dev/isa/isadmavar.h> 54 55 #include <dev/isapnp/isapnpreg.h> 56 #include <dev/isapnp/isapnpvar.h> 57 #include <dev/isapnp/isapnpdevs.h> 58 59 #include <dev/isa/sbreg.h> 60 #include <dev/isa/sbvar.h> 61 #include <dev/isa/sbdspvar.h> 62 63 int sb_isapnp_match __P((struct device *, struct cfdata *, void *)); 64 void sb_isapnp_attach __P((struct device *, struct device *, void *)); 65 66 struct cfattach sb_isapnp_ca = { 67 sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach 68 }; 69 70 71 /* 72 * Probe / attach routines. 73 */ 74 75 /* 76 * Probe for the soundblaster hardware. 77 */ 78 int 79 sb_isapnp_match(parent, match, aux) 80 struct device *parent; 81 struct cfdata *match; 82 void *aux; 83 { 84 int pri, variant; 85 86 pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant); 87 if (pri && variant > 0) 88 pri = 0; 89 return (pri); 90 } 91 92 93 /* 94 * Attach hardware to driver, attach hardware driver to audio 95 * pseudo-device driver. 96 */ 97 void 98 sb_isapnp_attach(parent, self, aux) 99 struct device *parent, *self; 100 void *aux; 101 { 102 struct sbdsp_softc *sc = (struct sbdsp_softc *)self; 103 struct isapnp_attach_args *ipa = aux; 104 105 printf("\n"); 106 107 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 108 printf("%s: error in region allocation\n", 109 sc->sc_dev.dv_xname); 110 return; 111 } 112 113 sc->sc_ic = ipa->ipa_ic; 114 115 sc->sc_iot = ipa->ipa_iot; 116 sc->sc_ioh = ipa->ipa_io[0].h; 117 118 /* XXX These are only for setting chip configuration registers. */ 119 sc->sc_iobase = ipa->ipa_io[0].base; 120 sc->sc_irq = ipa->ipa_irq[0].num; 121 122 sc->sc_drq8 = ipa->ipa_drq[0].num; 123 if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) { 124 /* Some cards have the 16 bit drq first */ 125 if (sc->sc_drq8 >= 4) { 126 sc->sc_drq16 = sc->sc_drq8; 127 sc->sc_drq8 = ipa->ipa_drq[1].num; 128 } else 129 sc->sc_drq16 = ipa->ipa_drq[1].num; 130 } else 131 sc->sc_drq16 = DRQUNK; 132 133 #if NMPU > 0 134 if (ipa->ipa_nio > 1) { 135 sc->sc_hasmpu = 1; 136 sc->sc_mpu_iot = ipa->ipa_iot; 137 sc->sc_mpu_ioh = ipa->ipa_io[1].h; 138 } 139 #endif 140 141 if (!sbmatch(sc)) { 142 printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname); 143 return; 144 } 145 146 sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 147 ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc); 148 149 printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident, 150 ipa->ipa_devclass); 151 152 sbattach(sc); 153 } 154