1 /* $NetBSD: bha_pci.c,v 1.24 2002/10/02 16:51:04 thorpej 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 Charles M. Hannum. 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: bha_pci.c,v 1.24 2002/10/02 16:51:04 thorpej Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 46 #include <machine/bus.h> 47 #include <machine/intr.h> 48 49 #include <dev/scsipi/scsipi_all.h> 50 #include <dev/scsipi/scsiconf.h> 51 52 #include <dev/pci/pcivar.h> 53 #include <dev/pci/pcidevs.h> 54 55 #include <dev/ic/bhareg.h> 56 #include <dev/ic/bhavar.h> 57 58 #define PCI_CBIO 0x10 59 60 int bha_pci_match __P((struct device *, struct cfdata *, void *)); 61 void bha_pci_attach __P((struct device *, struct device *, void *)); 62 63 CFATTACH_DECL(bha_pci, sizeof(struct bha_softc), 64 bha_pci_match, bha_pci_attach, NULL, NULL); 65 66 /* 67 * Check the slots looking for a board we recognise 68 * If we find one, note it's address (slot) and call 69 * the actual probe routine to check it out. 70 */ 71 int 72 bha_pci_match(parent, match, aux) 73 struct device *parent; 74 struct cfdata *match; 75 void *aux; 76 { 77 struct pci_attach_args *pa = aux; 78 bus_space_tag_t iot; 79 bus_space_handle_t ioh; 80 bus_size_t iosize; 81 int rv; 82 83 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC) 84 return (0); 85 86 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC && 87 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 88 return (0); 89 90 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 91 NULL, &iosize)) 92 return (0); 93 94 rv = bha_find(iot, ioh); 95 96 bus_space_unmap(iot, ioh, iosize); 97 98 return (rv); 99 } 100 101 /* 102 * Attach all the sub-devices we can find 103 */ 104 void 105 bha_pci_attach(parent, self, aux) 106 struct device *parent, *self; 107 void *aux; 108 { 109 struct pci_attach_args *pa = aux; 110 struct bha_softc *sc = (void *)self; 111 bus_space_tag_t iot; 112 bus_space_handle_t ioh; 113 pci_chipset_tag_t pc = pa->pa_pc; 114 pci_intr_handle_t ih; 115 pcireg_t csr; 116 const char *model, *intrstr; 117 118 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC) 119 model = "BusLogic 9xxC SCSI"; 120 else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 121 model = "BusLogic 9xxC SCSI"; 122 else 123 model = "unknown model!"; 124 printf(": %s\n", model); 125 126 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 127 NULL, NULL)) { 128 printf("%s: unable to map device registers\n", 129 sc->sc_dev.dv_xname); 130 return; 131 } 132 133 sc->sc_iot = iot; 134 sc->sc_ioh = ioh; 135 sc->sc_dmat = pa->pa_dmat; 136 if (!bha_find(iot, ioh)) 137 panic("bha_pci_attach: bha_find failed"); 138 139 sc->sc_dmaflags = 0; 140 141 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 142 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 143 csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); 144 145 if (pci_intr_map(pa, &ih)) { 146 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 147 return; 148 } 149 intrstr = pci_intr_string(pc, ih); 150 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc); 151 if (sc->sc_ih == NULL) { 152 printf("%s: couldn't establish interrupt", 153 sc->sc_dev.dv_xname); 154 if (intrstr != NULL) 155 printf(" at %s", intrstr); 156 printf("\n"); 157 return; 158 } 159 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 160 161 bha_attach(sc); 162 163 bha_disable_isacompat(sc); 164 } 165