bha_pci.c revision 1.6
1 /* $NetBSD: bha_pci.c,v 1.6 1996/11/05 03:04:36 jonathan Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1996 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/device.h> 36 37 #include <machine/bus.h> 38 #include <machine/intr.h> 39 40 #include <scsi/scsi_all.h> 41 #include <scsi/scsiconf.h> 42 43 #include <dev/pci/pcivar.h> 44 #include <dev/pci/pcidevs.h> 45 46 #include <dev/ic/bhareg.h> 47 #include <dev/ic/bhavar.h> 48 49 #define PCI_CBIO 0x10 50 51 int bha_pci_match __P((struct device *, void *, void *)); 52 void bha_pci_attach __P((struct device *, struct device *, void *)); 53 54 struct cfattach bha_pci_ca = { 55 sizeof(struct bha_softc), bha_pci_match, bha_pci_attach 56 }; 57 58 /* 59 * Check the slots looking for a board we recognise 60 * If we find one, note it's address (slot) and call 61 * the actual probe routine to check it out. 62 */ 63 int 64 bha_pci_match(parent, match, aux) 65 struct device *parent; 66 void *match, *aux; 67 { 68 struct pci_attach_args *pa = aux; 69 bus_space_tag_t iot = pa->pa_iot; 70 bus_addr_t iobase; 71 bus_size_t iosize; 72 bus_space_handle_t ioh; 73 pci_chipset_tag_t pc = pa->pa_pc; 74 int rv; 75 76 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC) 77 return (0); 78 79 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_OLD946C && 80 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_946C) 81 return (0); 82 83 if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) 84 return (0); 85 if (bus_space_map(iot, iobase, iosize, 0, &ioh)) 86 return (0); 87 88 rv = bha_find(iot, ioh, NULL); 89 90 bus_space_unmap(iot, ioh, iosize); 91 92 return (rv); 93 } 94 95 /* 96 * Attach all the sub-devices we can find 97 */ 98 void 99 bha_pci_attach(parent, self, aux) 100 struct device *parent, *self; 101 void *aux; 102 { 103 struct pci_attach_args *pa = aux; 104 struct bha_softc *sc = (void *)self; 105 bus_space_tag_t iot = pa->pa_iot; 106 bus_addr_t iobase; 107 bus_size_t iosize; 108 bus_space_handle_t ioh; 109 pci_chipset_tag_t pc = pa->pa_pc; 110 pci_intr_handle_t ih; 111 pcireg_t csr; 112 const char *model, *intrstr; 113 114 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_OLD946C) 115 model = "BusLogic 9xxC SCSI"; 116 else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_946C) 117 model = "BusLogic 9xxC SCSI"; 118 else 119 model = "unknown model!"; 120 printf(": %s\n", model); 121 122 if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) 123 panic("bha_attach: pci_io_find failed!"); 124 if (bus_space_map(iot, iobase, iosize, 0, &ioh)) 125 panic("bha_attach: bus_space_map failed!"); 126 127 sc->sc_iot = iot; 128 sc->sc_ioh = ioh; 129 if (!bha_find(iot, ioh, sc)) 130 panic("bha_attach: bha_find failed!"); 131 132 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 133 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 134 csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); 135 136 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 137 pa->pa_intrline, &ih)) { 138 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 139 return; 140 } 141 intrstr = pci_intr_string(pc, ih); 142 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc); 143 if (sc->sc_ih == NULL) { 144 printf("%s: couldn't establish interrupt", 145 sc->sc_dev.dv_xname); 146 if (intrstr != NULL) 147 printf(" at %s", intrstr); 148 printf("\n"); 149 return; 150 } 151 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 152 153 bha_attach(sc); 154 155 bha_disable_isacompat(sc); 156 } 157
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