1 /* $OpenBSD: iha_pci.c,v 1.19 2021/03/05 12:40:13 jsg 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(struct device *parent, void *match, void *aux) 64 { 65 struct pci_attach_args *pa = aux; 66 67 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO) 68 switch (PCI_PRODUCT(pa->pa_id)) { 69 case PCI_PRODUCT_INITIO_INIC940: 70 case PCI_PRODUCT_INITIO_INIC941: 71 case PCI_PRODUCT_INITIO_INIC950: 72 return (1); 73 } 74 75 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DTCTECH) 76 switch (PCI_PRODUCT(pa->pa_id)) { 77 case PCI_PRODUCT_DTCTECH_DMX3194U: 78 return (1); 79 } 80 81 return (0); 82 } 83 84 void 85 iha_pci_attach(struct device *parent, struct device *self, void *aux) 86 { 87 struct pci_attach_args *pa = aux; 88 struct scsibus_attach_args saa; 89 bus_space_handle_t ioh; 90 pci_intr_handle_t ih; 91 struct iha_softc *sc = (void *)self; 92 bus_space_tag_t iot; 93 const char *intrstr; 94 int ioh_valid; 95 96 /* 97 * XXX - Tried memory mapping (using code from adw and ahc) 98 * rather that IO mapping, but it didn't work at all.. 99 */ 100 ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 101 &iot, &ioh, NULL, NULL, 0); 102 103 if (ioh_valid != 0) { 104 printf("%s: unable to map registers\n", sc->sc_dev.dv_xname); 105 return; 106 } 107 108 sc->sc_iot = iot; 109 sc->sc_ioh = ioh; 110 sc->sc_dmat = pa->pa_dmat; 111 112 if (pci_intr_map(pa, &ih)) { 113 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 114 return; 115 } 116 intrstr = pci_intr_string(pa->pa_pc, ih); 117 118 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc, 119 sc->sc_dev.dv_xname); 120 121 if (sc->sc_ih == NULL) { 122 printf(": couldn't establish interrupt"); 123 if (intrstr != NULL) 124 printf(" at %s", intrstr); 125 printf("\n"); 126 } else { 127 if (intrstr != NULL) 128 printf(": %s\n", intrstr); 129 130 if (iha_init_tulip(sc) == 0) { 131 saa.saa_adapter_softc = sc; 132 saa.saa_adapter = &iha_switch; 133 saa.saa_adapter_target = sc->sc_id; 134 saa.saa_adapter_buswidth = sc->sc_maxtargets; 135 saa.saa_luns = 8; 136 saa.saa_openings = 4; /* # xs's allowed per device */ 137 saa.saa_pool = &sc->sc_iopool; 138 saa.saa_quirks = saa.saa_flags = 0; 139 saa.saa_wwpn = saa.saa_wwnn = 0; 140 141 config_found(&sc->sc_dev, &saa, scsiprint); 142 } 143 } 144 } 145