bha_pci.c revision 1.8
1 /* $NetBSD: bha_pci.c,v 1.8 1997/03/13 00:38:53 cgd 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 #ifdef __BROKEN_INDIRECT_CONFIG 52 int bha_pci_match __P((struct device *, void *, void *)); 53 #else 54 int bha_pci_match __P((struct device *, struct cfdata *, void *)); 55 #endif 56 void bha_pci_attach __P((struct device *, struct device *, void *)); 57 58 struct cfattach bha_pci_ca = { 59 sizeof(struct bha_softc), bha_pci_match, bha_pci_attach 60 }; 61 62 /* 63 * Check the slots looking for a board we recognise 64 * If we find one, note it's address (slot) and call 65 * the actual probe routine to check it out. 66 */ 67 int 68 bha_pci_match(parent, match, aux) 69 struct device *parent; 70 #ifdef __BROKEN_INDIRECT_CONFIG 71 void *match, *aux; 72 #else 73 struct cfdata *match; void *aux; 74 #endif 75 { 76 struct pci_attach_args *pa = aux; 77 bus_space_tag_t iot = pa->pa_iot; 78 bus_addr_t iobase; 79 bus_size_t iosize; 80 bus_space_handle_t ioh; 81 pci_chipset_tag_t pc = pa->pa_pc; 82 int rv; 83 84 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC) 85 return (0); 86 87 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC && 88 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 89 return (0); 90 91 if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) 92 return (0); 93 if (bus_space_map(iot, iobase, iosize, 0, &ioh)) 94 return (0); 95 96 rv = bha_find(iot, ioh, NULL); 97 98 bus_space_unmap(iot, ioh, iosize); 99 100 return (rv); 101 } 102 103 /* 104 * Attach all the sub-devices we can find 105 */ 106 void 107 bha_pci_attach(parent, self, aux) 108 struct device *parent, *self; 109 void *aux; 110 { 111 struct pci_attach_args *pa = aux; 112 struct bha_softc *sc = (void *)self; 113 bus_space_tag_t iot = pa->pa_iot; 114 bus_addr_t iobase; 115 bus_size_t iosize; 116 bus_space_handle_t ioh; 117 pci_chipset_tag_t pc = pa->pa_pc; 118 pci_intr_handle_t ih; 119 pcireg_t csr; 120 const char *model, *intrstr; 121 122 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC) 123 model = "BusLogic 9xxC SCSI"; 124 else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 125 model = "BusLogic 9xxC SCSI"; 126 else 127 model = "unknown model!"; 128 printf(": %s\n", model); 129 130 if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) 131 panic("bha_attach: pci_io_find failed!"); 132 if (bus_space_map(iot, iobase, iosize, 0, &ioh)) 133 panic("bha_attach: bus_space_map failed!"); 134 135 sc->sc_iot = iot; 136 sc->sc_ioh = ioh; 137 if (!bha_find(iot, ioh, sc)) 138 panic("bha_attach: bha_find failed!"); 139 140 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 141 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 142 csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); 143 144 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 145 pa->pa_intrline, &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
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