1 /* $NetBSD: iha_pci.c,v 1.17 2010/11/13 13:52:07 uebayasi Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Izumi Tsutsui. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 /*- 28 * Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller. 29 * 30 * Written for 386bsd and FreeBSD by 31 * Winston Hung <winstonh@initio.com> 32 * 33 * Copyright (c) 1997-1999 Initio Corp. 34 * Copyright (c) 2000 Ken Westerback 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer, 42 * without modification, immediately at the beginning of the file. 43 * 2. The name of the author may not be used to endorse or promote products 44 * derived from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 49 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 50 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 51 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 52 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 54 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 55 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 56 * THE POSSIBILITY OF SUCH DAMAGE. 57 */ 58 59 /* 60 * Ported to NetBSD by Izumi Tsutsui <tsutsui@NetBSD.org> from OpenBSD: 61 * $OpenBSD: iha_pci.c,v 1.2 2001/03/29 23:53:38 krw Exp $ 62 */ 63 64 #include <sys/cdefs.h> 65 __KERNEL_RCSID(0, "$NetBSD: iha_pci.c,v 1.17 2010/11/13 13:52:07 uebayasi Exp $"); 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/device.h> 70 71 #include <dev/pci/pcidevs.h> 72 #include <dev/pci/pcivar.h> 73 74 #include <dev/scsipi/scsipi_all.h> 75 #include <dev/scsipi/scsi_all.h> 76 #include <dev/scsipi/scsiconf.h> 77 78 #include <dev/ic/ihavar.h> 79 80 static int iha_pci_match(device_t, cfdata_t, void *); 81 static void iha_pci_attach(device_t, device_t, void *); 82 83 CFATTACH_DECL_NEW(iha_pci, sizeof(struct iha_softc), 84 iha_pci_match, iha_pci_attach, NULL, NULL); 85 86 static int 87 iha_pci_match(device_t parent, cfdata_t cf, void *aux) 88 { 89 struct pci_attach_args *pa = aux; 90 91 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INITIO) 92 return 0; 93 94 switch (PCI_PRODUCT(pa->pa_id)) { 95 case PCI_PRODUCT_INITIO_I940: 96 case PCI_PRODUCT_INITIO_I950: 97 return 1; 98 } 99 100 return 0; 101 } 102 103 static void 104 iha_pci_attach(device_t parent, device_t self, void *aux) 105 { 106 struct iha_softc *sc = device_private(self); 107 struct pci_attach_args *pa = aux; 108 bus_space_tag_t iot; 109 bus_space_handle_t ioh; 110 pci_intr_handle_t ih; 111 const char *intrstr; 112 pcireg_t command; 113 int ioh_valid; 114 char devinfo[256]; 115 116 sc->sc_dev = self; 117 118 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 119 aprint_normal(": %s (rev. 0x%02x)\n", 120 devinfo, PCI_REVISION(pa->pa_class)); 121 122 command = pci_conf_read(pa->pa_pc,pa->pa_tag,PCI_COMMAND_STATUS_REG); 123 command |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_PARITY_ENABLE; 124 125 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 126 127 /* 128 * XXX - Tried memory mapping (using code from adw and ahc) 129 * rather that IO mapping, but it didn't work at all.. 130 */ 131 ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 132 &iot, &ioh, NULL, NULL); 133 134 if (ioh_valid != 0) { 135 aprint_error_dev(self, "unable to map registers\n"); 136 return; 137 } 138 139 sc->sc_iot = iot; 140 sc->sc_ioh = ioh; 141 sc->sc_dmat = pa->pa_dmat; 142 143 if (pci_intr_map(pa, &ih)) { 144 aprint_error_dev(self, "couldn't map interrupt\n"); 145 return; 146 } 147 intrstr = pci_intr_string(pa->pa_pc, ih); 148 149 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc); 150 151 if (sc->sc_ih == NULL) { 152 aprint_error_dev(self, "couldn't establish interrupt"); 153 if (intrstr != NULL) 154 aprint_error(" at %s", intrstr); 155 aprint_error("\n"); 156 return; 157 } 158 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 159 160 iha_attach(sc); 161 } 162