1106121Sdes/* $NetBSD: bha_pci.c,v 1.36 2009/05/12 08:23:00 cegger Exp $ */ 2124208Sdes 3124208Sdes/*- 4124208Sdes * Copyright (c) 1998 The NetBSD Foundation, Inc. 5106121Sdes * All rights reserved. 6106121Sdes * 7106121Sdes * This code is derived from software contributed to The NetBSD Foundation 8106121Sdes * by Charles M. Hannum. 9106121Sdes * 10106121Sdes * Redistribution and use in source and binary forms, with or without 11106121Sdes * modification, are permitted provided that the following conditions 12106121Sdes * are met: 13106121Sdes * 1. Redistributions of source code must retain the above copyright 14106121Sdes * notice, this list of conditions and the following disclaimer. 15106121Sdes * 2. Redistributions in binary form must reproduce the above copyright 16106121Sdes * notice, this list of conditions and the following disclaimer in the 17106121Sdes * documentation and/or other materials provided with the distribution. 18106121Sdes * 19106121Sdes * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20106121Sdes * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21106121Sdes * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22106121Sdes * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23106121Sdes * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24106121Sdes * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25106121Sdes * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26137015Sdes * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27124208Sdes * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28106121Sdes * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29106121Sdes * POSSIBILITY OF SUCH DAMAGE. 30106121Sdes */ 31106121Sdes 32106121Sdes#include <sys/cdefs.h> 33106121Sdes__KERNEL_RCSID(0, "$NetBSD: bha_pci.c,v 1.36 2009/05/12 08:23:00 cegger Exp $"); 34106121Sdes 35106121Sdes#include <sys/param.h> 36106121Sdes#include <sys/systm.h> 37106121Sdes#include <sys/device.h> 38106121Sdes 39106121Sdes#include <sys/bus.h> 40106121Sdes#include <sys/intr.h> 41106121Sdes 42106121Sdes#include <dev/scsipi/scsipi_all.h> 43137015Sdes#include <dev/scsipi/scsiconf.h> 44106121Sdes 45106121Sdes#include <dev/pci/pcivar.h> 46137015Sdes#include <dev/pci/pcidevs.h> 47106121Sdes 48106121Sdes#include <dev/ic/bhareg.h> 49106121Sdes#include <dev/ic/bhavar.h> 50106121Sdes 51106121Sdes#define PCI_CBIO 0x10 52106121Sdes 53137015Sdes/* 54106121Sdes * Check the slots looking for a board we recognise 55137015Sdes * If we find one, note it's address (slot) and call 56106121Sdes * the actual probe routine to check it out. 57137015Sdes */ 58106121Sdesstatic int 59106121Sdesbha_pci_match(device_t parent, cfdata_t match, void *aux) 60106121Sdes{ 61106121Sdes struct pci_attach_args *pa = aux; 62106121Sdes bus_space_tag_t iot; 63106121Sdes bus_space_handle_t ioh; 64137015Sdes bus_size_t iosize; 65106121Sdes int rv; 66106121Sdes 67106121Sdes if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_BUSLOGIC) 68106121Sdes return (0); 69106121Sdes 70106121Sdes if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC && 71106121Sdes PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 72106121Sdes return (0); 73106121Sdes 74106121Sdes if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 75106121Sdes NULL, &iosize)) 76 return (0); 77 78 rv = bha_find(iot, ioh); 79 80 bus_space_unmap(iot, ioh, iosize); 81 82 return (rv); 83} 84 85/* 86 * Attach all the sub-devices we can find 87 */ 88static void 89bha_pci_attach(device_t parent, device_t self, void *aux) 90{ 91 struct pci_attach_args *pa = aux; 92 struct bha_softc *sc = device_private(self); 93 bus_space_tag_t iot; 94 bus_space_handle_t ioh; 95 pci_chipset_tag_t pc = pa->pa_pc; 96 pci_intr_handle_t ih; 97 pcireg_t csr; 98 const char *model, *intrstr; 99 100 aprint_naive(": SCSI controller\n"); 101 102 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC) 103 model = "BusLogic 9xxC SCSI"; 104 else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER) 105 model = "BusLogic 9xxC SCSI"; 106 else 107 model = "unknown model!"; 108 aprint_normal(": %s\n", model); 109 110 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, 111 NULL, NULL)) { 112 aprint_error_dev(&sc->sc_dev, "unable to map device registers\n"); 113 return; 114 } 115 116 sc->sc_iot = iot; 117 sc->sc_ioh = ioh; 118 sc->sc_dmat = pa->pa_dmat; 119 if (!bha_find(iot, ioh)) 120 panic("bha_pci_attach: bha_find failed"); 121 122 sc->sc_dmaflags = 0; 123 124 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 125 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 126 csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); 127 128 if (pci_intr_map(pa, &ih)) { 129 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 130 return; 131 } 132 intrstr = pci_intr_string(pc, ih); 133 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc); 134 if (sc->sc_ih == NULL) { 135 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 136 if (intrstr != NULL) 137 aprint_error(" at %s", intrstr); 138 aprint_error("\n"); 139 return; 140 } 141 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 142 143 bha_attach(sc); 144 145 bha_disable_isacompat(sc); 146} 147 148CFATTACH_DECL(bha_pci, sizeof(struct bha_softc), 149 bha_pci_match, bha_pci_attach, NULL, NULL); 150