1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2001 Scott Long 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 Adaptec, Inc. 6 * All rights reserved. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 /* 34 * PCI bus interface and resource allocation. 35 */ 36 37 #include "opt_aac.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/module.h> 43 44 #include <sys/bio.h> 45 #include <sys/bus.h> 46 #include <sys/conf.h> 47 #include <sys/disk.h> 48 49 #include <machine/bus_memio.h> 50 #include <machine/bus.h> 51 #include <machine/resource.h> 52 #include <sys/rman.h> 53 54 #include <dev/pci/pcireg.h> 55 #include <dev/pci/pcivar.h> 56 57 #include <dev/aac/aacreg.h> 58 #include <dev/aac/aac_ioctl.h> 59 #include <dev/aac/aacvar.h> 60 61 static int aac_pci_probe(device_t dev); 62 static int aac_pci_attach(device_t dev); 63 64 static device_method_t aac_methods[] = { 65 /* Device interface */ 66 DEVMETHOD(device_probe, aac_pci_probe), 67 DEVMETHOD(device_attach, aac_pci_attach), 68 DEVMETHOD(device_detach, aac_detach), 69 DEVMETHOD(device_suspend, aac_suspend), 70 DEVMETHOD(device_resume, aac_resume), 71 72 DEVMETHOD(bus_print_child, bus_generic_print_child), 73 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 74 { 0, 0 } 75 }; 76 77 static driver_t aac_pci_driver = { 78 "aac", 79 aac_methods, 80 sizeof(struct aac_softc) 81 }; 82 83 static devclass_t aac_devclass; 84 85 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0); 86 87 struct aac_ident 88 { 89 u_int16_t vendor; 90 u_int16_t device; 91 u_int16_t subvendor; 92 u_int16_t subdevice; 93 int hwif; 94 int quirks; 95 char *desc; 96 } aac_identifiers[] = { 97 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 98 "Dell PERC 2/Si"}, 99 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 100 "Dell PERC 3/Di"}, 101 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 102 "Dell PERC 3/Si"}, 103 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 104 "Dell PERC 3/Si"}, 105 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 106 "Dell PERC 3/Di"}, 107 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 108 "Dell PERC 3/Di"}, 109 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 110 "Dell PERC 3/Di"}, 111 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 112 "Dell PERC 3/Di"}, 113 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 114 "Dell PERC 3/Di"}, 115 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 116 "Adaptec AAC-364"}, 117 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 118 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 119 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 120 "Dell PERC 2/QC"}, 121 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 122 "HP NetRaid-4M"}, 123 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 124 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 125 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 126 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 127 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 128 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 129 {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 130 "Adaptec SCSI RAID 2410SA"}, 131 {0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 132 "Dell CERC SATA RAID 2"}, 133 {0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 134 "Adaptec SCSI RAID 2810SA"}, 135 {0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0, 136 "Adaptec SCSI RAID 2130S"}, 137 {0, 0, 0, 0, 0, 0, 0} 138 }; 139 140 /* 141 * Determine whether this is one of our supported adapters. 142 */ 143 static int 144 aac_pci_probe(device_t dev) 145 { 146 struct aac_ident *m; 147 148 debug_called(1); 149 150 for (m = aac_identifiers; m->vendor != 0; m++) { 151 if ((m->vendor == pci_get_vendor(dev)) && 152 (m->device == pci_get_device(dev)) && 153 ((m->subvendor == 0) || (m->subvendor == 154 pci_get_subvendor(dev))) && 155 ((m->subdevice == 0) || ((m->subdevice == 156 pci_get_subdevice(dev))))) { 157 158 device_set_desc(dev, m->desc); 159 return(-10); /* allow room to be overridden */ 160 } 161 } 162 return(ENXIO); 163 } 164 165 /* 166 * Allocate resources for our device, set up the bus interface. 167 */ 168 static int 169 aac_pci_attach(device_t dev) 170 { 171 struct aac_softc *sc; 172 int i, error; 173 u_int32_t command; 174 175 debug_called(1); 176 177 /* 178 * Initialise softc. 179 */ 180 sc = device_get_softc(dev); 181 bzero(sc, sizeof(*sc)); 182 sc->aac_dev = dev; 183 184 /* assume failure is 'not configured' */ 185 error = ENXIO; 186 187 /* 188 * Verify that the adapter is correctly set up in PCI space. 189 */ 190 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 191 command |= PCIM_CMD_BUSMASTEREN; 192 pci_write_config(dev, PCIR_COMMAND, command, 2); 193 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 194 if (!(command & PCIM_CMD_BUSMASTEREN)) { 195 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 196 goto out; 197 } 198 if ((command & PCIM_CMD_MEMEN) == 0) { 199 device_printf(sc->aac_dev, "memory window not available\n"); 200 goto out; 201 } 202 203 /* 204 * Allocate the PCI register window. 205 */ 206 sc->aac_regs_rid = PCIR_BAR(0); 207 if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev, 208 SYS_RES_MEMORY, 209 &sc->aac_regs_rid, 210 RF_ACTIVE)) == 211 NULL) { 212 device_printf(sc->aac_dev, 213 "couldn't allocate register window\n"); 214 goto out; 215 } 216 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 217 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 218 219 /* 220 * Allocate and connect our interrupt. 221 */ 222 sc->aac_irq_rid = 0; 223 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ, 224 &sc->aac_irq_rid, 225 RF_SHAREABLE | 226 RF_ACTIVE)) == NULL) { 227 device_printf(sc->aac_dev, "can't allocate interrupt\n"); 228 goto out; 229 } 230 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 231 INTR_FAST|INTR_TYPE_BIO, aac_intr, 232 sc, &sc->aac_intr)) { 233 device_printf(sc->aac_dev, "can't set up FAST interrupt\n"); 234 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 235 INTR_MPSAFE|INTR_ENTROPY|INTR_TYPE_BIO, 236 aac_intr, sc, &sc->aac_intr)) { 237 device_printf(sc->aac_dev, 238 "can't set up MPSAFE interrupt\n"); 239 goto out; 240 } 241 } 242 243 /* assume failure is 'out of memory' */ 244 error = ENOMEM; 245 246 /* 247 * Allocate the parent bus DMA tag appropriate for our PCI interface. 248 * 249 * Note that some of these controllers are 64-bit capable. 250 */ 251 if (bus_dma_tag_create(NULL, /* parent */ 252 PAGE_SIZE, 0, /* algnmnt, boundary */ 253 BUS_SPACE_MAXADDR, /* lowaddr */ 254 BUS_SPACE_MAXADDR, /* highaddr */ 255 NULL, NULL, /* filter, filterarg */ 256 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 257 AAC_MAXSGENTRIES, /* nsegments */ 258 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 259 0, /* flags */ 260 NULL, NULL, /* No locking needed */ 261 &sc->aac_parent_dmat)) { 262 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 263 goto out; 264 } 265 266 /* 267 * Detect the hardware interface version, set up the bus interface 268 * indirection. 269 */ 270 for (i = 0; aac_identifiers[i].vendor != 0; i++) { 271 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 272 (aac_identifiers[i].device == pci_get_device(dev)) && 273 (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 274 (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 275 sc->aac_hwif = aac_identifiers[i].hwif; 276 switch(sc->aac_hwif) { 277 case AAC_HWIF_I960RX: 278 debug(2, "set hardware up for i960Rx"); 279 sc->aac_if = aac_rx_interface; 280 break; 281 case AAC_HWIF_STRONGARM: 282 debug(2, "set hardware up for StrongARM"); 283 sc->aac_if = aac_sa_interface; 284 break; 285 case AAC_HWIF_FALCON: 286 debug(2, "set hardware up for Falcon/PPC"); 287 sc->aac_if = aac_fa_interface; 288 break; 289 case AAC_HWIF_RKT: 290 debug(2, "setu hardware up for Rocket/MIPS"); 291 sc->aac_if = aac_rkt_interface; 292 break; 293 default: 294 sc->aac_hwif = AAC_HWIF_UNKNOWN; 295 break; 296 } 297 298 /* Set up quirks */ 299 sc->flags = aac_identifiers[i].quirks; 300 301 break; 302 } 303 } 304 if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 305 device_printf(sc->aac_dev, "unknown hardware type\n"); 306 error = ENXIO; 307 goto out; 308 } 309 310 311 /* 312 * Do bus-independent initialisation. 313 */ 314 error = aac_attach(sc); 315 316 out: 317 if (error) 318 aac_free(sc); 319 return(error); 320 } 321