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 43 #include <sys/bio.h> 44 #include <sys/bus.h> 45 #include <sys/conf.h> 46 #include <sys/disk.h> 47 48 #include <machine/bus_memio.h> 49 #include <machine/bus.h> 50 #include <machine/resource.h> 51 #include <sys/rman.h> 52 53 #include <dev/pci/pcireg.h> 54 #include <dev/pci/pcivar.h> 55 56 #include <dev/aac/aacreg.h> 57 #include <dev/aac/aac_ioctl.h> 58 #include <dev/aac/aacvar.h> 59 60 static int aac_pci_probe(device_t dev); 61 static int aac_pci_attach(device_t dev); 62 63 static device_method_t aac_methods[] = { 64 /* Device interface */ 65 DEVMETHOD(device_probe, aac_pci_probe), 66 DEVMETHOD(device_attach, aac_pci_attach), 67 DEVMETHOD(device_detach, aac_detach), 68 DEVMETHOD(device_suspend, aac_suspend), 69 DEVMETHOD(device_resume, aac_resume), 70 71 DEVMETHOD(bus_print_child, bus_generic_print_child), 72 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 73 { 0, 0 } 74 }; 75 76 static driver_t aac_pci_driver = { 77 "aac", 78 aac_methods, 79 sizeof(struct aac_softc) 80 }; 81 82 static devclass_t aac_devclass; 83 84 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0); 85 86 struct aac_ident 87 { 88 u_int16_t vendor; 89 u_int16_t device; 90 u_int16_t subvendor; 91 u_int16_t subdevice; 92 int hwif; 93 int quirks; 94 char *desc; 95 } aac_identifiers[] = { 96 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 97 "Dell PERC 2/Si"}, 98 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 99 "Dell PERC 3/Di"}, 100 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 101 "Dell PERC 3/Si"}, 102 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 103 "Dell PERC 3/Si"}, 104 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 105 "Dell PERC 3/Di"}, 106 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 107 "Dell PERC 3/Di"}, 108 {0x1028, 0x0008, 0x1028, 0x00cf, AAC_HWIF_I960RX, 0, 109 "Dell PERC 3/Di"}, 110 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 111 "Dell PERC 3/Di"}, 112 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 113 "Dell PERC 3/Di"}, 114 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 115 "Dell PERC 3/Di"}, 116 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 117 "Adaptec AAC-364"}, 118 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 119 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 120 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 121 "Dell PERC 2/QC"}, 122 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 123 "HP NetRaid-4M"}, 124 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 125 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 126 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 127 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 128 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 129 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 130 {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 131 "Adaptec SCSI RAID 2410SA"}, 132 {0, 0, 0, 0, 0, 0, 0} 133 }; 134 135 /* 136 * Determine whether this is one of our supported adapters. 137 */ 138 static int 139 aac_pci_probe(device_t dev) 140 { 141 struct aac_ident *m; 142 143 debug_called(1); 144 145 for (m = aac_identifiers; m->vendor != 0; m++) { 146 if ((m->vendor == pci_get_vendor(dev)) && 147 (m->device == pci_get_device(dev)) && 148 ((m->subvendor == 0) || (m->subvendor == 149 pci_get_subvendor(dev))) && 150 ((m->subdevice == 0) || ((m->subdevice == 151 pci_get_subdevice(dev))))) { 152 153 device_set_desc(dev, m->desc); 154 return(-10); /* allow room to be overridden */ 155 } 156 } 157 return(ENXIO); 158 } 159 160 /* 161 * Allocate resources for our device, set up the bus interface. 162 */ 163 static int 164 aac_pci_attach(device_t dev) 165 { 166 struct aac_softc *sc; 167 int i, error; 168 u_int32_t command; 169 170 debug_called(1); 171 172 /* 173 * Initialise softc. 174 */ 175 sc = device_get_softc(dev); 176 bzero(sc, sizeof(*sc)); 177 sc->aac_dev = dev; 178 179 /* assume failure is 'not configured' */ 180 error = ENXIO; 181 182 /* 183 * Verify that the adapter is correctly set up in PCI space. 184 */ 185 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 186 command |= PCIM_CMD_BUSMASTEREN; 187 pci_write_config(dev, PCIR_COMMAND, command, 2); 188 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 189 if (!(command & PCIM_CMD_BUSMASTEREN)) { 190 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 191 goto out; 192 } 193 if ((command & PCIM_CMD_MEMEN) == 0) { 194 device_printf(sc->aac_dev, "memory window not available\n"); 195 goto out; 196 } 197 198 /* 199 * Allocate the PCI register window. 200 */ 201 sc->aac_regs_rid = PCIR_BAR(0); 202 if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev, 203 SYS_RES_MEMORY, 204 &sc->aac_regs_rid, 205 0, ~0, 1, 206 RF_ACTIVE)) == NULL) { 207 device_printf(sc->aac_dev, 208 "couldn't allocate register window\n"); 209 goto out; 210 } 211 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 212 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 213 214 /* 215 * Allocate and connect our interrupt. 216 */ 217 sc->aac_irq_rid = 0; 218 if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ, 219 &sc->aac_irq_rid, 0, ~0, 1, 220 RF_SHAREABLE | 221 RF_ACTIVE)) == NULL) { 222 device_printf(sc->aac_dev, "can't allocate interrupt\n"); 223 goto out; 224 } 225 #ifndef INTR_ENTROPY 226 #define INTR_ENTROPY 0 227 #endif 228 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 229 INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY, aac_intr, 230 sc, &sc->aac_intr)) { 231 device_printf(sc->aac_dev, "can't set up interrupt\n"); 232 goto out; 233 } 234 235 /* assume failure is 'out of memory' */ 236 error = ENOMEM; 237 238 /* 239 * Allocate the parent bus DMA tag appropriate for our PCI interface. 240 * 241 * Note that some of these controllers are 64-bit capable. 242 */ 243 if (bus_dma_tag_create(NULL, /* parent */ 244 PAGE_SIZE, 0, /* algnmnt, boundary */ 245 BUS_SPACE_MAXADDR, /* lowaddr */ 246 BUS_SPACE_MAXADDR, /* highaddr */ 247 NULL, NULL, /* filter, filterarg */ 248 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 249 AAC_MAXSGENTRIES, /* nsegments */ 250 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 251 0, /* flags */ 252 NULL, NULL, /* No locking needed */ 253 &sc->aac_parent_dmat)) { 254 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 255 goto out; 256 } 257 258 /* 259 * Detect the hardware interface version, set up the bus interface 260 * indirection. 261 */ 262 sc->aac_hwif = AAC_HWIF_UNKNOWN; 263 for (i = 0; aac_identifiers[i].vendor != 0; i++) { 264 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 265 (aac_identifiers[i].device == pci_get_device(dev)) && 266 (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 267 (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 268 sc->aac_hwif = aac_identifiers[i].hwif; 269 switch(sc->aac_hwif) { 270 case AAC_HWIF_I960RX: 271 debug(2, "set hardware up for i960Rx"); 272 sc->aac_if = aac_rx_interface; 273 break; 274 275 case AAC_HWIF_STRONGARM: 276 debug(2, "set hardware up for StrongARM"); 277 sc->aac_if = aac_sa_interface; 278 break; 279 case AAC_HWIF_FALCON: 280 debug(2, "set hardware up for Falcon/PPC"); 281 sc->aac_if = aac_fa_interface; 282 break; 283 } 284 285 /* Set up quirks */ 286 sc->flags = aac_identifiers[i].quirks; 287 288 break; 289 } 290 } 291 if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 292 device_printf(sc->aac_dev, "unknown hardware type\n"); 293 error = ENXIO; 294 goto out; 295 } 296 297 298 /* 299 * Do bus-independent initialisation. 300 */ 301 error = aac_attach(sc); 302 303 out: 304 if (error) 305 aac_free(sc); 306 return(error); 307 } 308