| 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 | |