1 /* $NetBSD: adw_pci.c,v 1.28 2014/10/18 08:33:28 snj 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 /* 31 * Device probe and attach routines for the following 32 * Advanced Systems Inc. SCSI controllers: 33 * 34 * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB) 35 * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB) 36 * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB) 37 * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB) 38 * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB) 39 * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB) 40 * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB) 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: adw_pci.c,v 1.28 2014/10/18 08:33:28 snj Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/queue.h> 51 #include <sys/device.h> 52 53 #include <sys/bus.h> 54 #include <sys/intr.h> 55 56 #include <dev/scsipi/scsi_all.h> 57 #include <dev/scsipi/scsipi_all.h> 58 #include <dev/scsipi/scsiconf.h> 59 60 #include <dev/pci/pcireg.h> 61 #include <dev/pci/pcivar.h> 62 #include <dev/pci/pcidevs.h> 63 64 #include <dev/ic/adwlib.h> 65 #include <dev/ic/adwmcode.h> 66 #include <dev/ic/adw.h> 67 68 /******************************************************************************/ 69 70 #define PCI_BASEADR_IO 0x10 71 72 /******************************************************************************/ 73 /* 74 * Check the slots looking for a board we recognise 75 * If we find one, note its address (slot) and call 76 * the actual probe routine to check it out. 77 */ 78 static int 79 adw_pci_match(device_t parent, cfdata_t match, void *aux) 80 { 81 struct pci_attach_args *pa = aux; 82 83 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 84 switch (PCI_PRODUCT(pa->pa_id)) { 85 case PCI_PRODUCT_ADVSYS_WIDE: 86 case PCI_PRODUCT_ADVSYS_U2W: 87 case PCI_PRODUCT_ADVSYS_U3W: 88 return (1); 89 } 90 91 return 0; 92 } 93 94 95 static void 96 adw_pci_attach(device_t parent, device_t self, void *aux) 97 { 98 struct pci_attach_args *pa = aux; 99 ADW_SOFTC *sc = device_private(self); 100 bus_space_tag_t iot; 101 bus_space_handle_t ioh; 102 pci_intr_handle_t ih; 103 pci_chipset_tag_t pc = pa->pa_pc; 104 u_int32_t command; 105 const char *intrstr; 106 char intrbuf[PCI_INTRSTR_LEN]; 107 108 sc->sc_dev = self; 109 110 aprint_naive(": SCSI controller\n"); 111 112 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 113 switch (PCI_PRODUCT(pa->pa_id)) { 114 case PCI_PRODUCT_ADVSYS_WIDE: 115 sc->chip_type = ADW_CHIP_ASC3550; 116 aprint_normal( 117 ": AdvanSys ASB-3940UW-00 SCSI adapter\n"); 118 break; 119 120 case PCI_PRODUCT_ADVSYS_U2W: 121 sc->chip_type = ADW_CHIP_ASC38C0800; 122 aprint_normal( 123 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n"); 124 break; 125 126 case PCI_PRODUCT_ADVSYS_U3W: 127 sc->chip_type = ADW_CHIP_ASC38C1600; 128 aprint_normal( 129 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n"); 130 break; 131 132 default: 133 aprint_error(": unknown model!\n"); 134 return; 135 } 136 137 138 /* 139 * Make sure IO/MEM/MASTER are enabled 140 */ 141 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 142 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 143 PCI_COMMAND_MASTER_ENABLE; 144 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 145 146 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) { 147 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; 148 } 149 /* 150 * Map Device Registers for I/O 151 */ 152 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 153 &iot, &ioh, NULL, NULL)) { 154 aprint_error_dev(self, "unable to map device registers\n"); 155 return; 156 } 157 sc->sc_iot = iot; 158 sc->sc_ioh = ioh; 159 sc->sc_dmat = pa->pa_dmat; 160 161 /* 162 * Initialize the board 163 */ 164 if (adw_init(sc)) { 165 aprint_error_dev(self, "adw_init failed"); 166 return; 167 } 168 169 /* 170 * Map Interrupt line 171 */ 172 if (pci_intr_map(pa, &ih)) { 173 aprint_error_dev(self, "couldn't map interrupt\n"); 174 return; 175 } 176 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); 177 178 /* 179 * Establish Interrupt handler 180 */ 181 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc); 182 if (sc->sc_ih == NULL) { 183 aprint_error_dev(self, "couldn't establish interrupt"); 184 if (intrstr != NULL) 185 aprint_error(" at %s", intrstr); 186 aprint_error("\n"); 187 return; 188 } 189 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 190 191 /* 192 * Attach all the sub-devices we can find 193 */ 194 adw_attach(sc); 195 } 196 197 CFATTACH_DECL_NEW(adw_pci, sizeof(ADW_SOFTC), 198 adw_pci_match, adw_pci_attach, NULL, NULL); 199