1 /* $NetBSD: aha_isapnp.c,v 1.19 2009/09/22 13:22:53 tsutsui 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: aha_isapnp.c,v 1.19 2009/09/22 13:22:53 tsutsui Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 40 #include <sys/bus.h> 41 42 #include <dev/scsipi/scsi_all.h> 43 #include <dev/scsipi/scsipi_all.h> 44 #include <dev/scsipi/scsiconf.h> 45 46 #include <dev/isa/isavar.h> 47 48 #include <dev/isapnp/isapnpreg.h> 49 #include <dev/isapnp/isapnpvar.h> 50 #include <dev/isapnp/isapnpdevs.h> 51 52 53 #include <dev/ic/ahareg.h> 54 #include <dev/ic/ahavar.h> 55 56 static int aha_isapnp_probe(device_t, cfdata_t, void *); 57 static void aha_isapnp_attach(device_t, device_t, void *); 58 59 CFATTACH_DECL_NEW(aha_isapnp, sizeof(struct aha_softc), 60 aha_isapnp_probe, aha_isapnp_attach, NULL, NULL); 61 62 int 63 aha_isapnp_probe(device_t parent, cfdata_t match, void *aux) 64 { 65 int pri, variant; 66 67 pri = isapnp_devmatch(aux, &isapnp_aha_devinfo, &variant); 68 if (pri && variant > 0) 69 pri = 0; 70 return (pri); 71 } 72 73 void 74 aha_isapnp_attach(device_t parent, device_t self, void *aux) 75 { 76 struct aha_softc *sc = device_private(self); 77 struct aha_probe_data apd; 78 struct isapnp_attach_args *ipa = aux; 79 80 sc->sc_dev = self; 81 82 printf("\n"); 83 84 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 85 aprint_error_dev(self, "error in region allocation\n"); 86 return; 87 } 88 89 sc->sc_iot = ipa->ipa_iot; 90 sc->sc_ioh = ipa->ipa_io[0].h; 91 sc->sc_dmat = ipa->ipa_dmat; 92 93 if (!aha_find(sc->sc_iot, sc->sc_ioh, &apd)) { 94 aprint_error_dev(self, "aha_find failed\n"); 95 return; 96 } 97 98 if (ipa->ipa_ndrq == 0) { 99 if (apd.sc_drq != -1) { 100 printf("%s: no PnP drq, but card has one\n", 101 device_xname(self)); 102 return; 103 } 104 } else if (apd.sc_drq != ipa->ipa_drq[0].num) { 105 printf("%s: card drq # (%d) != PnP # (%d)\n", 106 device_xname(self), apd.sc_drq, ipa->ipa_drq[0].num); 107 return; 108 } else { 109 int error = isa_dmacascade(ipa->ipa_ic, ipa->ipa_drq[0].num); 110 if (error) { 111 aprint_error_dev(self, 112 "unable to cascade DRQ, error = %d\n", error); 113 return; 114 } 115 } 116 117 if (apd.sc_irq != ipa->ipa_irq[0].num) { 118 printf("%s: card irq # (%d) != PnP # (%d)\n", 119 device_xname(self), apd.sc_irq, ipa->ipa_irq[0].num); 120 return; 121 } 122 123 124 sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 125 ipa->ipa_irq[0].type, IPL_BIO, aha_intr, sc); 126 127 if (sc->sc_ih == NULL) { 128 aprint_error_dev(self, "couldn't establish interrupt\n"); 129 return; 130 } 131 132 aha_attach(sc, &apd); 133 } 134