1 /* $NetBSD: adw_pci.c,v 1.9 2001/11/13 07:48:40 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Baldassare Dante Profeta <dante@mclink.it> 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 /* 38 * Device probe and attach routines for the following 39 * Advanced Systems Inc. SCSI controllers: 40 * 41 * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB) 42 * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB) 43 * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB) 44 * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB) 45 * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB) 46 * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB) 47 * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB) 48 */ 49 50 #include <sys/cdefs.h> 51 __KERNEL_RCSID(0, "$NetBSD: adw_pci.c,v 1.9 2001/11/13 07:48:40 lukem Exp $"); 52 53 #include <sys/types.h> 54 #include <sys/param.h> 55 #include <sys/systm.h> 56 #include <sys/malloc.h> 57 #include <sys/kernel.h> 58 #include <sys/queue.h> 59 #include <sys/device.h> 60 61 #include <machine/bus.h> 62 #include <machine/intr.h> 63 64 #include <dev/scsipi/scsi_all.h> 65 #include <dev/scsipi/scsipi_all.h> 66 #include <dev/scsipi/scsiconf.h> 67 68 #include <dev/pci/pcireg.h> 69 #include <dev/pci/pcivar.h> 70 #include <dev/pci/pcidevs.h> 71 72 #include <dev/ic/adwlib.h> 73 #include <dev/ic/adwmcode.h> 74 #include <dev/ic/adw.h> 75 76 /******************************************************************************/ 77 78 #define PCI_BASEADR_IO 0x10 79 80 /******************************************************************************/ 81 82 static int adw_pci_match __P((struct device *, struct cfdata *, void *)); 83 static void adw_pci_attach __P((struct device *, struct device *, void *)); 84 85 struct cfattach adw_pci_ca = 86 { 87 sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach 88 }; 89 90 /******************************************************************************/ 91 /* 92 * Check the slots looking for a board we recognise 93 * If we find one, note it's address (slot) and call 94 * the actual probe routine to check it out. 95 */ 96 static int 97 adw_pci_match(parent, match, aux) 98 struct device *parent; 99 struct cfdata *match; 100 void *aux; 101 { 102 struct pci_attach_args *pa = aux; 103 104 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 105 switch (PCI_PRODUCT(pa->pa_id)) { 106 case PCI_PRODUCT_ADVSYS_WIDE: 107 case PCI_PRODUCT_ADVSYS_U2W: 108 case PCI_PRODUCT_ADVSYS_U3W: 109 return (1); 110 } 111 112 return 0; 113 } 114 115 116 static void 117 adw_pci_attach(parent, self, aux) 118 struct device *parent, *self; 119 void *aux; 120 { 121 struct pci_attach_args *pa = aux; 122 ADW_SOFTC *sc = (void *) self; 123 bus_space_tag_t iot; 124 bus_space_handle_t ioh; 125 pci_intr_handle_t ih; 126 pci_chipset_tag_t pc = pa->pa_pc; 127 u_int32_t command; 128 const char *intrstr; 129 130 131 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 132 switch (PCI_PRODUCT(pa->pa_id)) { 133 case PCI_PRODUCT_ADVSYS_WIDE: 134 sc->chip_type = ADW_CHIP_ASC3550; 135 printf(": AdvanSys ASB-3940UW-00 SCSI adapter\n"); 136 break; 137 138 case PCI_PRODUCT_ADVSYS_U2W: 139 sc->chip_type = ADW_CHIP_ASC38C0800; 140 printf(": AdvanSys ASB-3940U2W-00 SCSI adapter\n"); 141 break; 142 143 case PCI_PRODUCT_ADVSYS_U3W: 144 sc->chip_type = ADW_CHIP_ASC38C1600; 145 printf(": AdvanSys ASB-3940U3W-00 SCSI adapter\n"); 146 break; 147 148 default: 149 printf(": unknown model!\n"); 150 return; 151 } 152 153 154 /* 155 * Make sure IO/MEM/MASTER are enabled 156 */ 157 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 158 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 159 PCI_COMMAND_MASTER_ENABLE; 160 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 161 162 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) { 163 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; 164 } 165 /* 166 * Map Device Registers for I/O 167 */ 168 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 169 &iot, &ioh, NULL, NULL)) { 170 printf("%s: unable to map device registers\n", 171 sc->sc_dev.dv_xname); 172 return; 173 } 174 sc->sc_iot = iot; 175 sc->sc_ioh = ioh; 176 sc->sc_dmat = pa->pa_dmat; 177 178 /* 179 * Initialize the board 180 */ 181 if (adw_init(sc)) { 182 printf("%s: adw_init failed", sc->sc_dev.dv_xname); 183 return; 184 } 185 186 /* 187 * Map Interrupt line 188 */ 189 if (pci_intr_map(pa, &ih)) { 190 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 191 return; 192 } 193 intrstr = pci_intr_string(pc, ih); 194 195 /* 196 * Establish Interrupt handler 197 */ 198 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc); 199 if (sc->sc_ih == NULL) { 200 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); 201 if (intrstr != NULL) 202 printf(" at %s", intrstr); 203 printf("\n"); 204 return; 205 } 206 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 207 208 /* 209 * Attach all the sub-devices we can find 210 */ 211 adw_attach(sc); 212 } 213 /******************************************************************************/ 214