1 /* $OpenBSD: trm_pci.c,v 1.1 2002/02/18 01:55:30 krw 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 NULL /* ZeroRef */ 67 }; 68 69 70 /* 71 * ------------------------------------------------------------ 72 * Function : trm_pci_probe 73 * Purpose : Check the slots looking for a board we recognize. 74 * If we find one, note ti's address (slot) and call 75 * the actual probe routine to check it out. 76 * Inputs : 77 * ------------------------------------------------------------ 78 */ 79 int 80 trm_pci_probe(struct device *parent, void *match, void *aux) 81 { 82 struct pci_attach_args *pa = aux; 83 84 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TEKRAM2) { 85 switch (PCI_PRODUCT(pa->pa_id)) { 86 case PCI_PRODUCT_TEKRAM2_DC3X5U: 87 return 1; 88 } 89 } 90 return 0; 91 } 92 93 /* 94 * ------------------------------------------------------------ 95 * Function : trm_pci_attach 96 * Purpose : 97 * Inputs : 98 * ------------------------------------------------------------ 99 */ 100 void 101 trm_pci_attach(struct device *parent, struct device *self, void *aux) 102 { 103 struct pci_attach_args *pa = aux; 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 pcireg_t command; 110 int unit; 111 112 unit = sc->sc_device.dv_unit; 113 114 /* 115 * These cards do not allow memory mapped accesses. 116 * pa_pc: chipset tag 117 * pa_tag: pci tag 118 */ 119 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 120 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE; 121 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 122 123 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_TEKRAM2_DC3X5U) 124 return; 125 126 /* 127 * mask for get correct base address of pci IO port 128 */ 129 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 130 &iot, &ioh, NULL, NULL, 0) != 0) { 131 printf("%s: unable to map registers\n", sc->sc_device.dv_xname); 132 return; 133 } 134 135 /* 136 * test checksum of eeprom & initial "ACB" adapter control block 137 */ 138 sc->sc_iotag = iot; 139 sc->sc_iohandle = ioh; 140 sc->sc_dmatag = pa->pa_dmat; 141 142 if (trm_init(sc, unit) != 0) { 143 printf("%s: trm_init failed", sc->sc_device.dv_xname); 144 return; 145 } 146 147 /* 148 * Map and establish interrupt 149 */ 150 if (pci_intr_map(pa, &ih)) { 151 printf("%s: couldn't map interrupt\n", sc->sc_device.dv_xname); 152 return; 153 } 154 intrstr = pci_intr_string(pa->pa_pc, ih); 155 156 if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, trm_Interrupt, sc, 157 sc->sc_device.dv_xname) == NULL) { 158 printf("\n%s: couldn't establish interrupt", sc->sc_device.dv_xname); 159 if (intrstr != NULL) 160 printf(" at %s", intrstr); 161 printf("\n"); 162 } else { 163 if (intrstr != NULL) 164 printf(": %s\n", intrstr); 165 166 /* Tell SCSI layer about our SCSI bus */ 167 config_found(&sc->sc_device, &sc->sc_link, scsiprint); 168 } 169 } 170