1 /* $OpenBSD: trm_pci.c,v 1.4 2006/11/28 23:59:45 dlg Exp $ 2 * ------------------------------------------------------------ 3 * O.S : OpenBSD 4 * FILE NAME : trm_pci.c 5 * BY : Erich Chen (erich@tekram.com.tw) 6 * Description: Device Driver for Tekram DC395U/UW/F,DC315/U 7 * PCI SCSI Bus Master Host Adapter 8 * (SCSI chip set used Tekram ASIC TRM-S1040) 9 * (C)Copyright 1995-1999 Tekram Technology Co., Ltd. 10 * (C)Copyright 2001-2002 Ashley R. Martens and Kenneth R. Westerback 11 * ------------------------------------------------------------ 12 * HISTORY: 13 * 14 * REV# DATE NAME DESCRIPTION 15 * 1.00 05/01/99 ERICH CHEN First released for NetBSD 1.4.x 16 * 1.01 00/00/00 MARTIN AKESSON Port to OpenBSD 2.8 17 * 1.02 Sep 19, 2001 ASHLEY MARTENS Cleanup and formatting 18 * ------------------------------------------------------------ 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 3. The name of the author may not be used to endorse or promote products 29 * derived from this software without specific prior written permission. 30 * 31 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 32 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 33 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 34 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 35 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 37 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 38 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 40 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 41 * 42 * ------------------------------------------------------------ 43 */ 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/device.h> 48 49 #include <dev/pci/pcidevs.h> 50 #include <dev/pci/pcivar.h> 51 52 #include <scsi/scsi_all.h> 53 #include <scsi/scsiconf.h> 54 55 #include <dev/ic/trm.h> 56 57 int trm_pci_probe (struct device *, void *, void *); 58 void trm_pci_attach (struct device *, struct device *, void *); 59 60 struct cfattach trm_pci_ca = { 61 sizeof(struct trm_softc), 62 trm_pci_probe, 63 trm_pci_attach, 64 NULL, /* Detach */ 65 NULL, /* Activate */ 66 }; 67 68 69 /* 70 * ------------------------------------------------------------ 71 * Function : trm_pci_probe 72 * Purpose : Check the slots looking for a board we recognize. 73 * If we find one, note ti's address (slot) and call 74 * the actual probe routine to check it out. 75 * Inputs : 76 * ------------------------------------------------------------ 77 */ 78 int 79 trm_pci_probe(struct device *parent, void *match, void *aux) 80 { 81 struct pci_attach_args *pa = aux; 82 83 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TEKRAM2) { 84 switch (PCI_PRODUCT(pa->pa_id)) { 85 case PCI_PRODUCT_TEKRAM2_DC3X5U: 86 return 1; 87 } 88 } 89 return 0; 90 } 91 92 /* 93 * ------------------------------------------------------------ 94 * Function : trm_pci_attach 95 * Purpose : 96 * Inputs : 97 * ------------------------------------------------------------ 98 */ 99 void 100 trm_pci_attach(struct device *parent, struct device *self, void *aux) 101 { 102 struct pci_attach_args *pa = aux; 103 struct scsibus_attach_args saa; 104 bus_space_handle_t ioh;/* bus space handle */ 105 pci_intr_handle_t ih; 106 struct trm_softc *sc = (void *)self; 107 bus_space_tag_t iot; /* bus space tag */ 108 const char *intrstr; 109 int unit; 110 111 unit = sc->sc_device.dv_unit; 112 113 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_TEKRAM2_DC3X5U) 114 return; 115 116 /* 117 * mask for get correct base address of pci IO port 118 */ 119 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 120 &iot, &ioh, NULL, NULL, 0) != 0) { 121 printf("%s: unable to map registers\n", sc->sc_device.dv_xname); 122 return; 123 } 124 125 /* 126 * test checksum of eeprom & initial "ACB" adapter control block 127 */ 128 sc->sc_iotag = iot; 129 sc->sc_iohandle = ioh; 130 sc->sc_dmatag = pa->pa_dmat; 131 132 if (trm_init(sc, unit) != 0) { 133 printf("%s: trm_init failed", sc->sc_device.dv_xname); 134 return; 135 } 136 137 /* 138 * Map and establish interrupt 139 */ 140 if (pci_intr_map(pa, &ih)) { 141 printf("%s: couldn't map interrupt\n", sc->sc_device.dv_xname); 142 return; 143 } 144 intrstr = pci_intr_string(pa->pa_pc, ih); 145 146 if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, trm_Interrupt, sc, 147 sc->sc_device.dv_xname) == NULL) { 148 printf("\n%s: couldn't establish interrupt", sc->sc_device.dv_xname); 149 if (intrstr != NULL) 150 printf(" at %s", intrstr); 151 printf("\n"); 152 } else { 153 if (intrstr != NULL) 154 printf(": %s\n", intrstr); 155 156 bzero(&saa, sizeof(saa)); 157 saa.saa_sc_link = &sc->sc_link; 158 159 /* Tell SCSI layer about our SCSI bus */ 160 config_found(&sc->sc_device, &saa, scsiprint); 161 } 162 } 163