1 /* $NetBSD: adw_pci.c,v 1.17 2005/12/11 12:22:48 christos 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 1.17 2005/12/11 12:22:48 christos Exp $"); 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/malloc.h> 56 #include <sys/kernel.h> 57 #include <sys/queue.h> 58 #include <sys/device.h> 59 60 #include <machine/bus.h> 61 #include <machine/intr.h> 62 63 #include <dev/scsipi/scsi_all.h> 64 #include <dev/scsipi/scsipi_all.h> 65 #include <dev/scsipi/scsiconf.h> 66 67 #include <dev/pci/pcireg.h> 68 #include <dev/pci/pcivar.h> 69 #include <dev/pci/pcidevs.h> 70 71 #include <dev/ic/adwlib.h> 72 #include <dev/ic/adwmcode.h> 73 #include <dev/ic/adw.h> 74 75 /******************************************************************************/ 76 77 #define PCI_BASEADR_IO 0x10 78 79 /******************************************************************************/ 80 /* 81 * Check the slots looking for a board we recognise 82 * If we find one, note it's address (slot) and call 83 * the actual probe routine to check it out. 84 */ 85 static int 86 adw_pci_match(struct device *parent, struct cfdata *match, void *aux) 87 { 88 struct pci_attach_args *pa = aux; 89 90 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 91 switch (PCI_PRODUCT(pa->pa_id)) { 92 case PCI_PRODUCT_ADVSYS_WIDE: 93 case PCI_PRODUCT_ADVSYS_U2W: 94 case PCI_PRODUCT_ADVSYS_U3W: 95 return (1); 96 } 97 98 return 0; 99 } 100 101 102 static void 103 adw_pci_attach(struct device *parent, struct device *self, void *aux) 104 { 105 struct pci_attach_args *pa = aux; 106 ADW_SOFTC *sc = (void *) self; 107 bus_space_tag_t iot; 108 bus_space_handle_t ioh; 109 pci_intr_handle_t ih; 110 pci_chipset_tag_t pc = pa->pa_pc; 111 u_int32_t command; 112 const char *intrstr; 113 114 aprint_naive(": SCSI controller\n"); 115 116 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 117 switch (PCI_PRODUCT(pa->pa_id)) { 118 case PCI_PRODUCT_ADVSYS_WIDE: 119 sc->chip_type = ADW_CHIP_ASC3550; 120 aprint_normal( 121 ": AdvanSys ASB-3940UW-00 SCSI adapter\n"); 122 break; 123 124 case PCI_PRODUCT_ADVSYS_U2W: 125 sc->chip_type = ADW_CHIP_ASC38C0800; 126 aprint_normal( 127 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n"); 128 break; 129 130 case PCI_PRODUCT_ADVSYS_U3W: 131 sc->chip_type = ADW_CHIP_ASC38C1600; 132 aprint_normal( 133 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n"); 134 break; 135 136 default: 137 aprint_error(": unknown model!\n"); 138 return; 139 } 140 141 142 /* 143 * Make sure IO/MEM/MASTER are enabled 144 */ 145 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 146 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 147 PCI_COMMAND_MASTER_ENABLE; 148 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 149 150 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) { 151 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; 152 } 153 /* 154 * Map Device Registers for I/O 155 */ 156 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 157 &iot, &ioh, NULL, NULL)) { 158 aprint_error("%s: unable to map device registers\n", 159 sc->sc_dev.dv_xname); 160 return; 161 } 162 sc->sc_iot = iot; 163 sc->sc_ioh = ioh; 164 sc->sc_dmat = pa->pa_dmat; 165 166 /* 167 * Initialize the board 168 */ 169 if (adw_init(sc)) { 170 aprint_error("%s: adw_init failed", sc->sc_dev.dv_xname); 171 return; 172 } 173 174 /* 175 * Map Interrupt line 176 */ 177 if (pci_intr_map(pa, &ih)) { 178 aprint_error("%s: couldn't map interrupt\n", 179 sc->sc_dev.dv_xname); 180 return; 181 } 182 intrstr = pci_intr_string(pc, ih); 183 184 /* 185 * Establish Interrupt handler 186 */ 187 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc); 188 if (sc->sc_ih == NULL) { 189 aprint_error("%s: couldn't establish interrupt", 190 sc->sc_dev.dv_xname); 191 if (intrstr != NULL) 192 aprint_normal(" at %s", intrstr); 193 aprint_normal("\n"); 194 return; 195 } 196 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 197 198 /* 199 * Attach all the sub-devices we can find 200 */ 201 adw_attach(sc); 202 } 203 204 CFATTACH_DECL(adw_pci, sizeof(ADW_SOFTC), 205 adw_pci_match, adw_pci_attach, NULL, NULL); 206