1 /* $NetBSD: adv_pci.c,v 1.14 2003/01/31 00:07:39 thorpej 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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the NetBSD 19 * Foundation, Inc. and its contributors. 20 * 4. Neither the name of The NetBSD Foundation nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 /* 37 * Device probe and attach routines for the following 38 * Advanced Systems Inc. SCSI controllers: 39 * 40 * Connectivity Products: 41 * ABP920 - Bus-Master PCI (16 CDB) 42 * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1) 43 * ABP930U - Bus-Master PCI Ultra (16 CDB) 44 * ABP930UA - Bus-Master PCI Ultra (16 CDB) 45 * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2) 46 * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2) 47 * 48 * Single Channel Products: 49 * ABP940 - Bus-Master PCI (240 CDB) 50 * ABP940U - Bus-Master PCI Ultra (240 CDB) 51 * ABP970 - Bus-Master PCI MAC/PC (240 CDB) 52 * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB) 53 * ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB) 54 * 55 * Multi Channel Products: 56 * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel) 57 * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel) 58 * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel) 59 * 60 * Footnotes: 61 * 1. This board has been sold by SIIG as the Fast SCSI Pro PCI. 62 * 2. This board has been sold by Iomega as a Jaz Jet PCI adapter. 63 */ 64 65 #include <sys/cdefs.h> 66 __KERNEL_RCSID(0, "$NetBSD: adv_pci.c,v 1.14 2003/01/31 00:07:39 thorpej Exp $"); 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/malloc.h> 71 #include <sys/kernel.h> 72 #include <sys/queue.h> 73 #include <sys/device.h> 74 75 #include <machine/bus.h> 76 #include <machine/intr.h> 77 78 #include <dev/scsipi/scsi_all.h> 79 #include <dev/scsipi/scsipi_all.h> 80 #include <dev/scsipi/scsiconf.h> 81 82 #include <dev/pci/pcireg.h> 83 #include <dev/pci/pcivar.h> 84 #include <dev/pci/pcidevs.h> 85 86 #include <dev/ic/advlib.h> 87 #include <dev/ic/adv.h> 88 89 /******************************************************************************/ 90 91 #define PCI_BASEADR_IO 0x10 92 93 /******************************************************************************/ 94 95 int adv_pci_match __P((struct device *, struct cfdata *, void *)); 96 void adv_pci_attach __P((struct device *, struct device *, void *)); 97 98 CFATTACH_DECL(adv_pci, sizeof(ASC_SOFTC), 99 adv_pci_match, adv_pci_attach, NULL, NULL); 100 101 /******************************************************************************/ 102 /* 103 * Check the slots looking for a board we recognise 104 * If we find one, note it's address (slot) and call 105 * the actual probe routine to check it out. 106 */ 107 int 108 adv_pci_match(parent, match, aux) 109 struct device *parent; 110 struct cfdata *match; 111 void *aux; 112 { 113 struct pci_attach_args *pa = aux; 114 115 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 116 switch (PCI_PRODUCT(pa->pa_id)) { 117 case PCI_PRODUCT_ADVSYS_1200A: 118 case PCI_PRODUCT_ADVSYS_1200B: 119 case PCI_PRODUCT_ADVSYS_ULTRA: 120 return (1); 121 } 122 123 return 0; 124 } 125 126 127 void 128 adv_pci_attach(parent, self, aux) 129 struct device *parent, *self; 130 void *aux; 131 { 132 struct pci_attach_args *pa = aux; 133 ASC_SOFTC *sc = (void *) self; 134 bus_space_tag_t iot; 135 bus_space_handle_t ioh; 136 pci_intr_handle_t ih; 137 pci_chipset_tag_t pc = pa->pa_pc; 138 u_int32_t command; 139 const char *intrstr; 140 141 aprint_naive(": SCSI controller\n"); 142 143 sc->sc_flags = 0x0; 144 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 145 switch (PCI_PRODUCT(pa->pa_id)) { 146 case PCI_PRODUCT_ADVSYS_1200A: 147 aprint_normal(": AdvanSys ASC1200A SCSI adapter\n"); 148 break; 149 150 case PCI_PRODUCT_ADVSYS_1200B: 151 aprint_normal(": AdvanSys ASC1200B SCSI adapter\n"); 152 break; 153 154 case PCI_PRODUCT_ADVSYS_ULTRA: 155 switch (PCI_REVISION(pa->pa_class)) { 156 case ASC_PCI_REVISION_3050: 157 aprint_normal( 158 ": AdvanSys ABP-9xxUA SCSI adapter\n"); 159 break; 160 161 case ASC_PCI_REVISION_3150: 162 aprint_normal( 163 ": AdvanSys ABP-9xxU SCSI adapter\n"); 164 break; 165 } 166 break; 167 168 default: 169 aprint_error(": unknown model!\n"); 170 return; 171 } 172 173 174 /* 175 * Make sure IO/MEM/MASTER are enabled 176 */ 177 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 178 if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 179 PCI_COMMAND_MASTER_ENABLE)) != 180 (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 181 PCI_COMMAND_MASTER_ENABLE)) { 182 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 183 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 184 PCI_COMMAND_MASTER_ENABLE)); 185 } 186 /* 187 * Latency timer settings. 188 */ 189 { 190 u_int32_t bhlcr; 191 192 bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); 193 194 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A || 195 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) { 196 bhlcr &= 0xFFFF00FFul; 197 pci_conf_write(pa->pa_pc, pa->pa_tag, 198 PCI_BHLC_REG, bhlcr); 199 } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) 200 && (PCI_LATTIMER(bhlcr) < 0x20)) { 201 bhlcr &= 0xFFFF00FFul; 202 bhlcr |= 0x00002000ul; 203 pci_conf_write(pa->pa_pc, pa->pa_tag, 204 PCI_BHLC_REG, bhlcr); 205 } 206 } 207 208 209 /* 210 * Map Device Registers for I/O 211 */ 212 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 213 &iot, &ioh, NULL, NULL)) { 214 aprint_error("%s: unable to map device registers\n", 215 sc->sc_dev.dv_xname); 216 return; 217 } 218 219 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 220 ASC_SET_CHIP_STATUS(iot, ioh, 0); 221 222 sc->sc_iot = iot; 223 sc->sc_ioh = ioh; 224 sc->sc_dmat = pa->pa_dmat; 225 sc->pci_device_id = pa->pa_id; 226 sc->bus_type = ASC_IS_PCI; 227 sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); 228 229 /* 230 * Initialize the board 231 */ 232 if (adv_init(sc)) 233 panic("adv_pci_attach: adv_init failed"); 234 235 /* 236 * Map Interrupt line 237 */ 238 if (pci_intr_map(pa, &ih)) { 239 aprint_error("%s: couldn't map interrupt\n", 240 sc->sc_dev.dv_xname); 241 return; 242 } 243 intrstr = pci_intr_string(pc, ih); 244 245 /* 246 * Establish Interrupt handler 247 */ 248 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc); 249 if (sc->sc_ih == NULL) { 250 aprint_error("%s: couldn't establish interrupt", 251 sc->sc_dev.dv_xname); 252 if (intrstr != NULL) 253 aprint_normal(" at %s", intrstr); 254 aprint_normal("\n"); 255 return; 256 } 257 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 258 259 /* 260 * Attach all the sub-devices we can find 261 */ 262 adv_attach(sc); 263 } 264 /******************************************************************************/ 265