1 /* $NetBSD: aha_isapnp.c,v 1.4 2001/11/13 07:56:39 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: aha_isapnp.c,v 1.4 2001/11/13 07:56:39 lukem Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/conf.h> 45 #include <sys/device.h> 46 47 #include <machine/bus.h> 48 49 #include <dev/scsipi/scsi_all.h> 50 #include <dev/scsipi/scsipi_all.h> 51 #include <dev/scsipi/scsiconf.h> 52 53 #include <dev/isa/isavar.h> 54 55 #include <dev/isapnp/isapnpreg.h> 56 #include <dev/isapnp/isapnpvar.h> 57 #include <dev/isapnp/isapnpdevs.h> 58 59 60 #include <dev/ic/ahareg.h> 61 #include <dev/ic/ahavar.h> 62 63 int aha_isapnp_probe __P((struct device *, struct cfdata *, void *)); 64 void aha_isapnp_attach __P((struct device *, struct device *, void *)); 65 66 struct cfattach aha_isapnp_ca = { 67 sizeof(struct aha_softc), aha_isapnp_probe, aha_isapnp_attach 68 }; 69 70 int 71 aha_isapnp_probe(parent, match, aux) 72 struct device *parent; 73 struct cfdata *match; 74 void *aux; 75 { 76 int pri, variant; 77 78 pri = isapnp_devmatch(aux, &isapnp_aha_devinfo, &variant); 79 if (pri && variant > 0) 80 pri = 0; 81 return (pri); 82 } 83 84 void 85 aha_isapnp_attach(parent, self, aux) 86 struct device *parent, *self; 87 void *aux; 88 { 89 struct aha_softc *sc = (void *)self; 90 struct aha_probe_data apd; 91 struct isapnp_attach_args *ipa = aux; 92 93 printf("\n"); 94 95 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 96 printf("%s: error in region allocation\n", 97 sc->sc_dev.dv_xname); 98 return; 99 } 100 101 sc->sc_iot = ipa->ipa_iot; 102 sc->sc_ioh = ipa->ipa_io[0].h; 103 sc->sc_dmat = ipa->ipa_dmat; 104 105 if (!aha_find(sc->sc_iot, sc->sc_ioh, &apd)) { 106 printf("%s: aha_find failed\n", sc->sc_dev.dv_xname); 107 return; 108 } 109 110 if (ipa->ipa_ndrq == 0) { 111 if (apd.sc_drq != -1) { 112 printf("%s: no PnP drq, but card has one\n", 113 sc->sc_dev.dv_xname); 114 return; 115 } 116 } else if (apd.sc_drq != ipa->ipa_drq[0].num) { 117 printf("%s: card drq # (%d) != PnP # (%d)\n", 118 sc->sc_dev.dv_xname, apd.sc_drq, ipa->ipa_drq[0].num); 119 return; 120 } else { 121 int error = isa_dmacascade(ipa->ipa_ic, ipa->ipa_drq[0].num); 122 if (error) { 123 printf("%s: unable to cascade DRQ, error = %d\n", 124 sc->sc_dev.dv_xname, error); 125 return; 126 } 127 } 128 129 if (apd.sc_irq != ipa->ipa_irq[0].num) { 130 printf("%s: card irq # (%d) != PnP # (%d)\n", 131 sc->sc_dev.dv_xname, apd.sc_irq, ipa->ipa_irq[0].num); 132 return; 133 } 134 135 136 sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 137 ipa->ipa_irq[0].type, IPL_BIO, aha_intr, sc); 138 139 if (sc->sc_ih == NULL) { 140 printf("%s: couldn't establish interrupt\n", 141 sc->sc_dev.dv_xname); 142 return; 143 } 144 145 aha_attach(sc, &apd); 146 } 147