1 /* $NetBSD: adv_pci.c,v 1.29 2014/10/18 08:33:28 snj Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 5 * 6 * Author: Baldassare Dante Profeta <dante@mclink.it> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* 30 * Device probe and attach routines for the following 31 * Advanced Systems Inc. SCSI controllers: 32 * 33 * Connectivity Products: 34 * ABP920 - Bus-Master PCI (16 CDB) 35 * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1) 36 * ABP930U - Bus-Master PCI Ultra (16 CDB) 37 * ABP930UA - Bus-Master PCI Ultra (16 CDB) 38 * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2) 39 * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2) 40 * 41 * Single Channel Products: 42 * ABP940 - Bus-Master PCI (240 CDB) 43 * ABP940U - Bus-Master PCI Ultra (240 CDB) 44 * ABP970 - Bus-Master PCI MAC/PC (240 CDB) 45 * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB) 46 * ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB) 47 * 48 * Multi Channel Products: 49 * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel) 50 * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel) 51 * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel) 52 * 53 * Footnotes: 54 * 1. This board has been sold by SIIG as the Fast SCSI Pro PCI. 55 * 2. This board has been sold by Iomega as a Jaz Jet PCI adapter. 56 */ 57 58 #include <sys/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: adv_pci.c,v 1.29 2014/10/18 08:33:28 snj Exp $"); 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/malloc.h> 64 #include <sys/kernel.h> 65 #include <sys/queue.h> 66 #include <sys/device.h> 67 68 #include <sys/bus.h> 69 #include <sys/intr.h> 70 71 #include <dev/scsipi/scsi_all.h> 72 #include <dev/scsipi/scsipi_all.h> 73 #include <dev/scsipi/scsiconf.h> 74 75 #include <dev/pci/pcireg.h> 76 #include <dev/pci/pcivar.h> 77 #include <dev/pci/pcidevs.h> 78 79 #include <dev/ic/advlib.h> 80 #include <dev/ic/adv.h> 81 82 /******************************************************************************/ 83 84 #define PCI_BASEADR_IO 0x10 85 86 /******************************************************************************/ 87 /* 88 * Check the slots looking for a board we recognise 89 * If we find one, note its address (slot) and call 90 * the actual probe routine to check it out. 91 */ 92 static int 93 adv_pci_match(device_t parent, cfdata_t match, void *aux) 94 { 95 struct pci_attach_args *pa = aux; 96 97 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 98 switch (PCI_PRODUCT(pa->pa_id)) { 99 case PCI_PRODUCT_ADVSYS_1200A: 100 case PCI_PRODUCT_ADVSYS_1200B: 101 case PCI_PRODUCT_ADVSYS_ULTRA: 102 return (1); 103 } 104 105 return 0; 106 } 107 108 static void 109 adv_pci_attach(device_t parent, device_t self, void *aux) 110 { 111 struct pci_attach_args *pa = aux; 112 ASC_SOFTC *sc = device_private(self); 113 bus_space_tag_t iot; 114 bus_space_handle_t ioh; 115 pci_intr_handle_t ih; 116 pci_chipset_tag_t pc = pa->pa_pc; 117 u_int32_t command; 118 const char *intrstr; 119 char intrbuf[PCI_INTRSTR_LEN]; 120 121 aprint_naive(": SCSI controller\n"); 122 123 sc->sc_dev = self; 124 sc->sc_flags = 0x0; 125 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 126 switch (PCI_PRODUCT(pa->pa_id)) { 127 case PCI_PRODUCT_ADVSYS_1200A: 128 aprint_normal(": AdvanSys ASC1200A SCSI adapter\n"); 129 break; 130 131 case PCI_PRODUCT_ADVSYS_1200B: 132 aprint_normal(": AdvanSys ASC1200B SCSI adapter\n"); 133 break; 134 135 case PCI_PRODUCT_ADVSYS_ULTRA: 136 switch (PCI_REVISION(pa->pa_class)) { 137 case ASC_PCI_REVISION_3050: 138 aprint_normal( 139 ": AdvanSys ABP-9xxUA SCSI adapter\n"); 140 break; 141 142 case ASC_PCI_REVISION_3150: 143 aprint_normal( 144 ": AdvanSys ABP-9xxU SCSI adapter\n"); 145 break; 146 } 147 break; 148 149 default: 150 aprint_error(": unknown model!\n"); 151 return; 152 } 153 154 155 /* 156 * Make sure IO/MEM/MASTER are enabled 157 */ 158 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 159 if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 160 PCI_COMMAND_MASTER_ENABLE)) != 161 (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 162 PCI_COMMAND_MASTER_ENABLE)) { 163 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 164 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 165 PCI_COMMAND_MASTER_ENABLE)); 166 } 167 /* 168 * Latency timer settings. 169 */ 170 { 171 u_int32_t bhlcr; 172 173 bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); 174 175 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A || 176 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) { 177 bhlcr &= 0xFFFF00FFul; 178 pci_conf_write(pa->pa_pc, pa->pa_tag, 179 PCI_BHLC_REG, bhlcr); 180 } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) 181 && (PCI_LATTIMER(bhlcr) < 0x20)) { 182 bhlcr &= 0xFFFF00FFul; 183 bhlcr |= 0x00002000ul; 184 pci_conf_write(pa->pa_pc, pa->pa_tag, 185 PCI_BHLC_REG, bhlcr); 186 } 187 } 188 189 190 /* 191 * Map Device Registers for I/O 192 */ 193 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 194 &iot, &ioh, NULL, NULL)) { 195 aprint_error_dev(sc->sc_dev, "unable to map device registers\n"); 196 return; 197 } 198 199 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 200 ASC_SET_CHIP_STATUS(iot, ioh, 0); 201 202 sc->sc_iot = iot; 203 sc->sc_ioh = ioh; 204 sc->sc_dmat = pa->pa_dmat; 205 sc->pci_device_id = pa->pa_id; 206 sc->bus_type = ASC_IS_PCI; 207 sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); 208 209 /* 210 * Initialize the board 211 */ 212 if (adv_init(sc)) 213 panic("adv_pci_attach: adv_init failed"); 214 215 /* 216 * Map Interrupt line 217 */ 218 if (pci_intr_map(pa, &ih)) { 219 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n"); 220 return; 221 } 222 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); 223 224 /* 225 * Establish Interrupt handler 226 */ 227 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc); 228 if (sc->sc_ih == NULL) { 229 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); 230 if (intrstr != NULL) 231 aprint_error(" at %s", intrstr); 232 aprint_error("\n"); 233 return; 234 } 235 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 236 237 /* 238 * Attach all the sub-devices we can find 239 */ 240 adv_attach(sc); 241 } 242 243 CFATTACH_DECL_NEW(adv_pci, sizeof(ASC_SOFTC), 244 adv_pci_match, adv_pci_attach, NULL, NULL); 245