1 /* $OpenBSD: iha_pci.c,v 1.18 2020/07/20 14:41:13 krw 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 struct cfdriver iha_cd = { 55 NULL, "iha", DV_DULL 56 }; 57 58 struct scsi_adapter iha_switch = { 59 iha_scsi_cmd, NULL, NULL, NULL, NULL 60 }; 61 62 int 63 iha_pci_probe(parent, match, aux) 64 struct device *parent; 65 void *match; 66 void *aux; 67 { 68 struct pci_attach_args *pa = aux; 69 70 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO) 71 switch (PCI_PRODUCT(pa->pa_id)) { 72 case PCI_PRODUCT_INITIO_INIC940: 73 case PCI_PRODUCT_INITIO_INIC941: 74 case PCI_PRODUCT_INITIO_INIC950: 75 return (1); 76 } 77 78 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DTCTECH) 79 switch (PCI_PRODUCT(pa->pa_id)) { 80 case PCI_PRODUCT_DTCTECH_DMX3194U: 81 return (1); 82 } 83 84 return (0); 85 } 86 87 void 88 iha_pci_attach(parent, self, aux) 89 struct device *parent; 90 struct device *self; 91 void *aux; 92 { 93 struct pci_attach_args *pa = aux; 94 struct scsibus_attach_args saa; 95 bus_space_handle_t ioh; 96 pci_intr_handle_t ih; 97 struct iha_softc *sc = (void *)self; 98 bus_space_tag_t iot; 99 const char *intrstr; 100 int ioh_valid; 101 102 /* 103 * XXX - Tried memory mapping (using code from adw and ahc) 104 * rather that IO mapping, but it didn't work at all.. 105 */ 106 ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 107 &iot, &ioh, NULL, NULL, 0); 108 109 if (ioh_valid != 0) { 110 printf("%s: unable to map registers\n", sc->sc_dev.dv_xname); 111 return; 112 } 113 114 sc->sc_iot = iot; 115 sc->sc_ioh = ioh; 116 sc->sc_dmat = pa->pa_dmat; 117 118 if (pci_intr_map(pa, &ih)) { 119 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 120 return; 121 } 122 intrstr = pci_intr_string(pa->pa_pc, ih); 123 124 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc, 125 sc->sc_dev.dv_xname); 126 127 if (sc->sc_ih == NULL) { 128 printf(": couldn't establish interrupt"); 129 if (intrstr != NULL) 130 printf(" at %s", intrstr); 131 printf("\n"); 132 } else { 133 if (intrstr != NULL) 134 printf(": %s\n", intrstr); 135 136 if (iha_init_tulip(sc) == 0) { 137 saa.saa_adapter_softc = sc; 138 saa.saa_adapter = &iha_switch; 139 saa.saa_adapter_target = sc->sc_id; 140 saa.saa_adapter_buswidth = sc->sc_maxtargets; 141 saa.saa_luns = 8; 142 saa.saa_openings = 4; /* # xs's allowed per device */ 143 saa.saa_pool = &sc->sc_iopool; 144 saa.saa_quirks = saa.saa_flags = 0; 145 saa.saa_wwpn = saa.saa_wwnn = 0; 146 147 config_found(&sc->sc_dev, &saa, scsiprint); 148 } 149 } 150 } 151