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 * $FreeBSD$ 30 */ 31 32 /* 33 * PCI bus interface and resource allocation. 34 */ 35 36 #include "opt_aac.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 42 #include <sys/bio.h> 43 #include <sys/bus.h> 44 #include <sys/conf.h> 45 #include <sys/devicestat.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 <pci/pcireg.h> 54 #include <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, AAC_QUIRK_NOCAM, 97 "Dell PERC 2/Si"}, 98 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 99 "Dell PERC 3/Di"}, 100 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 101 "Dell PERC 3/Si"}, 102 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 103 "Dell PERC 3/Si"}, 104 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 105 "Dell PERC 3/Di"}, 106 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 107 "Dell PERC 3/Di"}, 108 {0x1028, 0x0008, 0x1028, 0x00cf, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 109 "Dell PERC 3/Di"}, 110 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 111 "Dell PERC 3/Di"}, 112 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 113 "Dell PERC 3/Di"}, 114 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, AAC_QUIRK_NOCAM, 115 "Dell PERC 3/Di"}, 116 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, AAC_QUIRK_NOCAM, 117 "Adaptec AAC-364"}, 118 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, AAC_QUIRK_NOCAM, 119 "Adaptec SCSI RAID 5400S"}, 120 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_QUIRK_NOCAM | 121 AAC_QUIRK_PERC2QC, "Dell PERC 2/QC"}, 122 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, AAC_QUIRK_NOCAM, 123 "HP NetRaid-4M"}, 124 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, 0, 125 "Adaptec SCSI RAID 2200S"}, 126 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, 0, 127 "Dell PERC 320/DC"}, 128 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, 0, 129 "Adaptec SCSI RAID 2120S"}, 130 {0, 0, 0, 0, 0, 0, 0} 131 }; 132 133 /* 134 * Determine whether this is one of our supported adapters. 135 */ 136 static int 137 aac_pci_probe(device_t dev) 138 { 139 struct aac_ident *m; 140 141 debug_called(1); 142 143 for (m = aac_identifiers; m->vendor != 0; m++) { 144 if ((m->vendor == pci_get_vendor(dev)) && 145 (m->device == pci_get_device(dev)) && 146 ((m->subvendor == 0) || (m->subvendor == 147 pci_get_subvendor(dev))) && 148 ((m->subdevice == 0) || ((m->subdevice == 149 pci_get_subdevice(dev))))) { 150 151 device_set_desc(dev, m->desc); 152 return(-10); /* allow room to be overridden */ 153 } 154 } 155 return(ENXIO); 156 } 157 158 /* 159 * Allocate resources for our device, set up the bus interface. 160 */ 161 static int 162 aac_pci_attach(device_t dev) 163 { 164 struct aac_softc *sc; 165 int i, error; 166 u_int32_t command; 167 168 debug_called(1); 169 170 /* 171 * Initialise softc. 172 */ 173 sc = device_get_softc(dev); 174 bzero(sc, sizeof(*sc)); 175 sc->aac_dev = dev; 176 177 /* assume failure is 'not configured' */ 178 error = ENXIO; 179 180 /* 181 * Verify that the adapter is correctly set up in PCI space. 182 */ 183 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 184 command |= PCIM_CMD_BUSMASTEREN; 185 pci_write_config(dev, PCIR_COMMAND, command, 2); 186 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 187 if (!(command & PCIM_CMD_BUSMASTEREN)) { 188 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 189 goto out; 190 } 191 if ((command & PCIM_CMD_MEMEN) == 0) { 192 device_printf(sc->aac_dev, "memory window not available\n"); 193 goto out; 194 } 195 196 /* 197 * Allocate the PCI register window. 198 */ 199 sc->aac_regs_rid = 0x10; /* first base address register */ 200 if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev, 201 SYS_RES_MEMORY, 202 &sc->aac_regs_rid, 203 0, ~0, 1, 204 RF_ACTIVE)) == NULL) { 205 device_printf(sc->aac_dev, 206 "couldn't allocate register window\n"); 207 goto out; 208 } 209 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 210 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 211 212 /* 213 * Allocate and connect our interrupt. 214 */ 215 sc->aac_irq_rid = 0; 216 if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ, 217 &sc->aac_irq_rid, 0, ~0, 1, 218 RF_SHAREABLE | 219 RF_ACTIVE)) == NULL) { 220 device_printf(sc->aac_dev, "can't allocate interrupt\n"); 221 goto out; 222 } 223 #ifndef INTR_ENTROPY 224 #define INTR_ENTROPY 0 225 #endif 226 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 227 INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY, aac_intr, 228 sc, &sc->aac_intr)) { 229 device_printf(sc->aac_dev, "can't set up interrupt\n"); 230 goto out; 231 } 232 233 /* assume failure is 'out of memory' */ 234 error = ENOMEM; 235 236 /* 237 * Allocate the parent bus DMA tag appropriate for our PCI interface. 238 * 239 * Note that some of these controllers are 64-bit capable. 240 */ 241 if (bus_dma_tag_create(NULL, /* parent */ 242 PAGE_SIZE, 0, /* algnmnt, boundary */ 243 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 244 BUS_SPACE_MAXADDR, /* highaddr */ 245 NULL, NULL, /* filter, filterarg */ 246 MAXBSIZE, /* maxsize */ 247 AAC_MAXSGENTRIES, /* nsegments */ 248 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 249 BUS_DMA_ALLOCNOW, /* flags */ 250 &sc->aac_parent_dmat)) { 251 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 252 goto out; 253 } 254 255 /* 256 * Create DMA tag for mapping buffers into controller-addressable space. 257 */ 258 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 259 1, 0, /* algnmnt, boundary */ 260 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 261 BUS_SPACE_MAXADDR, /* highaddr */ 262 NULL, NULL, /* filter, filterarg */ 263 MAXBSIZE, AAC_MAXSGENTRIES, /* maxsize, nsegments */ 264 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 265 0, /* flags */ 266 &sc->aac_buffer_dmat)) { 267 device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n"); 268 goto out; 269 } 270 271 /* 272 * Create DMA tag for mapping FIBs into controller-addressable space.. 273 */ 274 if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 275 1, 0, /* algnmnt, boundary */ 276 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 277 BUS_SPACE_MAXADDR, /* highaddr */ 278 NULL, NULL, /* filter, filterarg */ 279 AAC_FIB_COUNT * 280 sizeof(struct aac_fib), 1, /* maxsize, nsegments */ 281 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 282 0, /* flags */ 283 &sc->aac_fib_dmat)) { 284 device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n");; 285 goto out; 286 } 287 288 /* 289 * Detect the hardware interface version, set up the bus interface 290 * indirection. 291 */ 292 sc->aac_hwif = AAC_HWIF_UNKNOWN; 293 for (i = 0; aac_identifiers[i].vendor != 0; i++) { 294 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 295 (aac_identifiers[i].device == pci_get_device(dev)) && 296 (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 297 (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 298 sc->aac_hwif = aac_identifiers[i].hwif; 299 switch(sc->aac_hwif) { 300 case AAC_HWIF_I960RX: 301 debug(2, "set hardware up for i960Rx"); 302 sc->aac_if = aac_rx_interface; 303 break; 304 305 case AAC_HWIF_STRONGARM: 306 debug(2, "set hardware up for StrongARM"); 307 sc->aac_if = aac_sa_interface; 308 break; 309 case AAC_HWIF_FALCON: 310 debug(2, "set hardware up for Falcon/PPC"); 311 sc->aac_if = aac_fa_interface; 312 break; 313 } 314 315 /* Set up quirks */ 316 sc->quirks = aac_identifiers[i].quirks; 317 318 break; 319 } 320 } 321 if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 322 device_printf(sc->aac_dev, "unknown hardware type\n"); 323 error = ENXIO; 324 goto out; 325 } 326 327 328 /* 329 * Do bus-independent initialisation. 330 */ 331 error = aac_attach(sc); 332 333 out: 334 if (error) 335 aac_free(sc); 336 return(error); 337 } 338