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 {0, 0, 0, 0, 0, 0, 0} 136 }; 137 138 /* 139 * Determine whether this is one of our supported adapters. 140 */ 141 static int 142 aac_pci_probe(device_t dev) 143 { 144 struct aac_ident *m; 145 146 debug_called(1); 147 148 for (m = aac_identifiers; m->vendor != 0; m++) { 149 if ((m->vendor == pci_get_vendor(dev)) && 150 (m->device == pci_get_device(dev)) && 151 ((m->subvendor == 0) || (m->subvendor == 152 pci_get_subvendor(dev))) && 153 ((m->subdevice == 0) || ((m->subdevice == 154 pci_get_subdevice(dev))))) { 155 156 device_set_desc(dev, m->desc); 157 return(-10); /* allow room to be overridden */ 158 } 159 } 160 return(ENXIO); 161 } 162 163 /* 164 * Allocate resources for our device, set up the bus interface. 165 */ 166 static int 167 aac_pci_attach(device_t dev) 168 { 169 struct aac_softc *sc; 170 int i, error; 171 u_int32_t command; 172 173 debug_called(1); 174 175 /* 176 * Initialise softc. 177 */ 178 sc = device_get_softc(dev); 179 bzero(sc, sizeof(*sc)); 180 sc->aac_dev = dev; 181 182 /* assume failure is 'not configured' */ 183 error = ENXIO; 184 185 /* 186 * Verify that the adapter is correctly set up in PCI space. 187 */ 188 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 189 command |= PCIM_CMD_BUSMASTEREN; 190 pci_write_config(dev, PCIR_COMMAND, command, 2); 191 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 192 if (!(command & PCIM_CMD_BUSMASTEREN)) { 193 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 194 goto out; 195 } 196 if ((command & PCIM_CMD_MEMEN) == 0) { 197 device_printf(sc->aac_dev, "memory window not available\n"); 198 goto out; 199 } 200 201 /* 202 * Allocate the PCI register window. 203 */ 204 sc->aac_regs_rid = PCIR_BAR(0); 205 if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev, 206 SYS_RES_MEMORY, 207 &sc->aac_regs_rid, 208 RF_ACTIVE)) == 209 NULL) { 210 device_printf(sc->aac_dev, 211 "couldn't allocate register window\n"); 212 goto out; 213 } 214 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 215 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 216 217 /* 218 * Allocate and connect our interrupt. 219 */ 220 sc->aac_irq_rid = 0; 221 if ((sc->aac_irq = bus_alloc_resource_any(sc->aac_dev, SYS_RES_IRQ, 222 &sc->aac_irq_rid, 223 RF_SHAREABLE | 224 RF_ACTIVE)) == NULL) { 225 device_printf(sc->aac_dev, "can't allocate interrupt\n"); 226 goto out; 227 } 228 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 229 INTR_FAST|INTR_TYPE_BIO, aac_intr, 230 sc, &sc->aac_intr)) { 231 device_printf(sc->aac_dev, "can't set up FAST interrupt\n"); 232 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 233 INTR_MPSAFE|INTR_ENTROPY|INTR_TYPE_BIO, 234 aac_intr, sc, &sc->aac_intr)) { 235 device_printf(sc->aac_dev, 236 "can't set up MPSAFE interrupt\n"); 237 goto out; 238 } 239 } 240 241 /* assume failure is 'out of memory' */ 242 error = ENOMEM; 243 244 /* 245 * Allocate the parent bus DMA tag appropriate for our PCI interface. 246 * 247 * Note that some of these controllers are 64-bit capable. 248 */ 249 if (bus_dma_tag_create(NULL, /* parent */ 250 PAGE_SIZE, 0, /* algnmnt, boundary */ 251 BUS_SPACE_MAXADDR, /* lowaddr */ 252 BUS_SPACE_MAXADDR, /* highaddr */ 253 NULL, NULL, /* filter, filterarg */ 254 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 255 AAC_MAXSGENTRIES, /* nsegments */ 256 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 257 0, /* flags */ 258 NULL, NULL, /* No locking needed */ 259 &sc->aac_parent_dmat)) { 260 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 261 goto out; 262 } 263 264 /* 265 * Detect the hardware interface version, set up the bus interface 266 * indirection. 267 */ 268 sc->aac_hwif = AAC_HWIF_UNKNOWN; 269 for (i = 0; aac_identifiers[i].vendor != 0; i++) { 270 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 271 (aac_identifiers[i].device == pci_get_device(dev)) && 272 (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 273 (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 274 sc->aac_hwif = aac_identifiers[i].hwif; 275 switch(sc->aac_hwif) { 276 case AAC_HWIF_I960RX: 277 debug(2, "set hardware up for i960Rx"); 278 sc->aac_if = aac_rx_interface; 279 break; 280 281 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 } 290 291 /* Set up quirks */ 292 sc->flags = aac_identifiers[i].quirks; 293 294 break; 295 } 296 } 297 if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 298 device_printf(sc->aac_dev, "unknown hardware type\n"); 299 error = ENXIO; 300 goto out; 301 } 302 303 304 /* 305 * Do bus-independent initialisation. 306 */ 307 error = aac_attach(sc); 308 309 out: 310 if (error) 311 aac_free(sc); 312 return(error); 313 } 314