1 /* $NetBSD: bha_pci.c,v 1.2 1996/09/01 00:20:25 mycroft 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/device.h> 35 36 #include <machine/bus.h> 37 #include <machine/intr.h> 38 39 #include <scsi/scsi_all.h> 40 #include <scsi/scsiconf.h> 41 42 #include <dev/pci/pcivar.h> 43 #include <dev/pci/pcidevs.h> 44 45 #include <dev/ic/bhareg.h> 46 #include <dev/ic/bhavar.h> 47 48 #define PCI_CBIO 0x10 49 50 int bha_pci_match __P((struct device *, void *, void *)); 51 void bha_pci_attach __P((struct device *, struct device *, void *)); 52 53 struct cfattach bha_pci_ca = { 54 sizeof(struct bha_softc), bha_pci_match, bha_pci_attach 55 }; 56 57 /* 58 * Check the slots looking for a board we recognise 59 * If we find one, note it's address (slot) and call 60 * the actual probe routine to check it out. 61 */ 62 int 63 bha_pci_match(parent, match, aux) 64 struct device *parent; 65 void *match, *aux; 66 { 67 struct pci_attach_args *pa = aux; 68 bus_chipset_tag_t bc = pa->pa_bc; 69 bus_io_addr_t iobase; 70 bus_io_size_t iosize; 71 bus_io_handle_t ioh; 72 pci_chipset_tag_t pc = pa->pa_pc; 73 int rv; 74 75 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC) 76 return (0); 77 78 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_OLD946C && 79 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_946C) 80 return (0); 81 82 if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) 83 return (0); 84 if (bus_io_map(bc, iobase, iosize, &ioh)) 85 return (0); 86 87 rv = bha_find(bc, ioh, NULL); 88 89 bus_io_unmap(bc, ioh, iosize); 90 91 return (rv); 92 } 93 94 /* 95 * Attach all the sub-devices we can find 96 */ 97 void 98 bha_pci_attach(parent, self, aux) 99 struct device *parent, *self; 100 void *aux; 101 { 102 struct pci_attach_args *pa = aux; 103 struct bha_softc *sc = (void *)self; 104 bus_chipset_tag_t bc = pa->pa_bc; 105 bus_io_addr_t iobase; 106 bus_io_size_t iosize; 107 bus_io_handle_t ioh; 108 pci_chipset_tag_t pc = pa->pa_pc; 109 pci_intr_handle_t ih; 110 pcireg_t csr; 111 const char *model, *intrstr; 112 113 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_OLD946C) 114 model = "BusLogic 9xxC SCSI"; 115 else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_946C) 116 model = "BusLogic 9xxC SCSI"; 117 else 118 model = "unknown model!"; 119 printf(": %s\n", model); 120 121 if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) 122 panic("bha_attach: pci_io_find failed!"); 123 if (bus_io_map(bc, iobase, iosize, &ioh)) 124 panic("bha_attach: bus_io_map failed!"); 125 126 sc->sc_bc = bc; 127 sc->sc_ioh = ioh; 128 if (!bha_find(bc, ioh, sc)) 129 panic("bha_attach: bha_find failed!"); 130 131 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 132 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 133 csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); 134 135 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 136 pa->pa_intrline, &ih)) { 137 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 138 return; 139 } 140 intrstr = pci_intr_string(pc, ih); 141 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc); 142 if (sc->sc_ih == NULL) { 143 printf("%s: couldn't establish interrupt", 144 sc->sc_dev.dv_xname); 145 if (intrstr != NULL) 146 printf(" at %s", intrstr); 147 printf("\n"); 148 return; 149 } 150 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 151 152 bha_attach(sc); 153 } 154