1 /* $OpenBSD: iha_pci.c,v 1.12 2007/10/18 21:10:58 otto Exp $ */ 2 /*------------------------------------------------------------------------- 3 * 4 * Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller. 5 * 6 * Written for 386bsd and FreeBSD by 7 * Winston Hung <winstonh@initio.com> 8 * 9 * Copyright (c) 1997-1999 Initio Corp 10 * Copyright (c) 2000-2002 Ken Westerback 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer, 17 * without modification, immediately at the beginning of the file. 18 * 2. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 *------------------------------------------------------------------------- 34 */ 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 39 #include <dev/pci/pcidevs.h> 40 #include <dev/pci/pcivar.h> 41 42 #include <scsi/scsi_all.h> 43 #include <scsi/scsiconf.h> 44 45 #include <dev/ic/iha.h> 46 47 int iha_pci_probe(struct device *, void *, void *); 48 void iha_pci_attach(struct device *, struct device *, void *); 49 50 struct cfattach iha_pci_ca = { 51 sizeof(struct iha_softc), iha_pci_probe, iha_pci_attach 52 }; 53 54 int 55 iha_pci_probe(parent, match, aux) 56 struct device *parent; 57 void *match; 58 void *aux; 59 { 60 struct pci_attach_args *pa = aux; 61 62 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO) 63 switch (PCI_PRODUCT(pa->pa_id)) { 64 case PCI_PRODUCT_INITIO_INIC940: 65 case PCI_PRODUCT_INITIO_INIC941: 66 case PCI_PRODUCT_INITIO_INIC950: 67 return (1); 68 } 69 70 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DTCTECH) 71 switch (PCI_PRODUCT(pa->pa_id)) { 72 case PCI_PRODUCT_DTCTECH_DMX3194U: 73 return (1); 74 } 75 76 return (0); 77 } 78 79 void 80 iha_pci_attach(parent, self, aux) 81 struct device *parent; 82 struct device *self; 83 void *aux; 84 { 85 struct pci_attach_args *pa = aux; 86 struct scsibus_attach_args saa; 87 bus_space_handle_t ioh; 88 pci_intr_handle_t ih; 89 struct iha_softc *sc = (void *)self; 90 bus_space_tag_t iot; 91 const char *intrstr; 92 int ioh_valid; 93 94 /* 95 * XXX - Tried memory mapping (using code from adw and ahc) 96 * rather that IO mapping, but it didn't work at all.. 97 */ 98 ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 99 &iot, &ioh, NULL, NULL, 0); 100 101 if (ioh_valid != 0) { 102 printf("%s: unable to map registers\n", sc->sc_dev.dv_xname); 103 return; 104 } 105 106 sc->sc_iot = iot; 107 sc->sc_ioh = ioh; 108 sc->sc_dmat = pa->pa_dmat; 109 110 if (pci_intr_map(pa, &ih)) { 111 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 112 return; 113 } 114 intrstr = pci_intr_string(pa->pa_pc, ih); 115 116 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc, 117 sc->sc_dev.dv_xname); 118 119 if (sc->sc_ih == NULL) { 120 printf(": couldn't establish interrupt"); 121 if (intrstr != NULL) 122 printf(" at %s", intrstr); 123 printf("\n"); 124 } else { 125 if (intrstr != NULL) 126 printf(": %s\n", intrstr); 127 128 if (iha_init_tulip(sc) == 0) { 129 bzero(&saa, sizeof(saa)); 130 saa.saa_sc_link = &sc->sc_link; 131 config_found(&sc->sc_dev, &saa, scsiprint); 132 } 133 } 134 } 135