1 /* $OpenBSD: sb_isapnp.c,v 1.15 2015/05/12 16:35:23 ratchov Exp $ */ 2 /* $NetBSD: sb_isa.c,v 1.3 1997/03/20 11:03:11 mycroft 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 45 #include <sys/audioio.h> 46 #include <dev/audio_if.h> 47 #include <dev/midi_if.h> 48 49 #include <dev/isa/isavar.h> 50 #include <dev/isa/isadmavar.h> 51 52 #include <dev/isa/sbreg.h> 53 #include <dev/isa/sbvar.h> 54 55 #include <dev/isa/sbdspvar.h> 56 57 int sb_isapnp_match(struct device *, void *, void *); 58 void sb_isapnp_attach(struct device *, struct device *, void *); 59 60 struct cfattach sb_isapnp_ca = { 61 sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach 62 }; 63 64 /* 65 * Probe / attach routines. 66 */ 67 68 /* 69 * Probe for the soundblaster hardware. 70 */ 71 int 72 sb_isapnp_match(parent, match, aux) 73 struct device *parent; 74 void *match, *aux; 75 { 76 struct isa_attach_args *ia = aux; 77 78 if (ia->ipa_ndrq < 1) 79 return 0; 80 return 1; 81 } 82 83 /* 84 * Attach hardware to driver, attach hardware driver to audio 85 * pseudo-device driver. 86 */ 87 void 88 sb_isapnp_attach(parent, self, aux) 89 struct device *parent, *self; 90 void *aux; 91 { 92 struct sbdsp_softc *sc = (struct sbdsp_softc *) self; 93 struct isa_attach_args *ia = aux; 94 95 sc->sc_iot = ia->ia_iot; 96 sc->sc_ioh = ia->ipa_io[0].h; 97 sc->sc_irq = ia->ipa_irq[0].num; 98 sc->sc_iobase = ia->ipa_io[0].base; 99 sc->sc_ic = ia->ia_ic; 100 sc->sc_drq8 = ia->ipa_drq[0].num; 101 102 if (ia->ipa_ndrq > 1 && ia->ipa_drq[0].num != ia->ipa_drq[1].num) { 103 /* Some cards have the 16 bit drq first */ 104 if (sc->sc_drq8 >= 4) { 105 sc->sc_drq16 = sc->sc_drq8; 106 sc->sc_drq8 = ia->ipa_drq[1].num; 107 } else 108 sc->sc_drq16 = ia->ipa_drq[1].num; 109 } else 110 sc->sc_drq16 = DRQUNK; 111 112 #if NMIDI > 0 113 if (ia->ipa_nio > 1) { 114 sc->sc_mpu_sc.iobase = ia->ipa_io[1].base; 115 sc->sc_mpu_sc.ioh = ia->ipa_io[1].h; 116 } else 117 sc->sc_mpu_sc.iobase = 0; 118 #endif 119 120 if (!sbmatch(sc)) { 121 printf(": sbmatch failed\n"); 122 return; 123 } 124 125 sc->sc_isa = parent->dv_parent; 126 sbattach(sc); 127 } 128