1 /*- 2 * Copyright (c) 2003 Hidetoshi Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the acknowledgement as bellow: 16 * 17 * This product includes software developed by K. Kobayashi and H. SHimokawa 18 * 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 37 #define BOUNCE_BUFFER_TEST 0 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/module.h> 43 #include <sys/bus.h> 44 #include <sys/queue.h> 45 #include <machine/bus.h> 46 #include <sys/rman.h> 47 #include <sys/malloc.h> 48 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 49 #include <sys/lock.h> 50 #include <sys/mutex.h> 51 #endif 52 #include <machine/resource.h> 53 54 #if defined(__DragonFly__) || __FreeBSD_version < 500000 55 #include <machine/clock.h> /* for DELAY() */ 56 #endif 57 58 #ifdef __DragonFly__ 59 #include <bus/pci/pcivar.h> 60 #include <bus/pci/pcireg.h> 61 62 #include "firewire.h" 63 #include "firewirereg.h" 64 65 #include "fwdma.h" 66 #include "fwohcireg.h" 67 #include "fwohcivar.h" 68 #else 69 #if __FreeBSD_version < 500000 70 #include <pci/pcivar.h> 71 #include <pci/pcireg.h> 72 #else 73 #include <dev/pci/pcivar.h> 74 #include <dev/pci/pcireg.h> 75 #endif 76 77 #include <dev/firewire/firewire.h> 78 #include <dev/firewire/firewirereg.h> 79 80 #include <dev/firewire/fwdma.h> 81 #include <dev/firewire/fwohcireg.h> 82 #include <dev/firewire/fwohcivar.h> 83 #endif 84 85 static int fwohci_pci_attach(device_t self); 86 static int fwohci_pci_detach(device_t self); 87 88 /* 89 * The probe routine. 90 */ 91 static int 92 fwohci_pci_probe( device_t dev ) 93 { 94 #if 1 95 uint32_t id; 96 97 id = pci_get_devid(dev); 98 if (id == (FW_VENDORID_NATSEMI | FW_DEVICE_CS4210)) { 99 device_set_desc(dev, "National Semiconductor CS4210"); 100 return BUS_PROBE_DEFAULT; 101 } 102 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) { 103 device_set_desc(dev, "NEC uPD72861"); 104 return BUS_PROBE_DEFAULT; 105 } 106 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) { 107 device_set_desc(dev, "NEC uPD72871/2"); 108 return BUS_PROBE_DEFAULT; 109 } 110 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72870)) { 111 device_set_desc(dev, "NEC uPD72870"); 112 return BUS_PROBE_DEFAULT; 113 } 114 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72873)) { 115 device_set_desc(dev, "NEC uPD72873"); 116 return BUS_PROBE_DEFAULT; 117 } 118 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72874)) { 119 device_set_desc(dev, "NEC uPD72874"); 120 return BUS_PROBE_DEFAULT; 121 } 122 if (id == (FW_VENDORID_SIS | FW_DEVICE_7007)) { 123 /* It has no real identifier, using device id. */ 124 device_set_desc(dev, "SiS 7007"); 125 return BUS_PROBE_DEFAULT; 126 } 127 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) { 128 device_set_desc(dev, "Texas Instruments TSB12LV22"); 129 return BUS_PROBE_DEFAULT; 130 } 131 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) { 132 device_set_desc(dev, "Texas Instruments TSB12LV23"); 133 return BUS_PROBE_DEFAULT; 134 } 135 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) { 136 device_set_desc(dev, "Texas Instruments TSB12LV26"); 137 return BUS_PROBE_DEFAULT; 138 } 139 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) { 140 device_set_desc(dev, "Texas Instruments TSB43AA22"); 141 return BUS_PROBE_DEFAULT; 142 } 143 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) { 144 device_set_desc(dev, "Texas Instruments TSB43AB22/A"); 145 return BUS_PROBE_DEFAULT; 146 } 147 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB21)) { 148 device_set_desc(dev, "Texas Instruments TSB43AB21/A/AI/A-EP"); 149 return BUS_PROBE_DEFAULT; 150 } 151 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB23)) { 152 device_set_desc(dev, "Texas Instruments TSB43AB23"); 153 return BUS_PROBE_DEFAULT; 154 } 155 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB82AA2)) { 156 device_set_desc(dev, "Texas Instruments TSB82AA2"); 157 return BUS_PROBE_DEFAULT; 158 } 159 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) { 160 device_set_desc(dev, "Texas Instruments PCI4450"); 161 return BUS_PROBE_DEFAULT; 162 } 163 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) { 164 device_set_desc(dev, "Texas Instruments PCI4410A"); 165 return BUS_PROBE_DEFAULT; 166 } 167 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4451)) { 168 device_set_desc(dev, "Texas Instruments PCI4451"); 169 return BUS_PROBE_DEFAULT; 170 } 171 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD1947)) { 172 device_printf(dev, "Sony i.LINK (CXD1947) not supported\n"); 173 return ENXIO; 174 } 175 if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD3222)) { 176 device_set_desc(dev, "Sony i.LINK (CXD3222)"); 177 return BUS_PROBE_DEFAULT; 178 } 179 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) { 180 device_set_desc(dev, "VIA Fire II (VT6306)"); 181 return BUS_PROBE_DEFAULT; 182 } 183 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C551)) { 184 device_set_desc(dev, "Ricoh R5C551"); 185 return BUS_PROBE_DEFAULT; 186 } 187 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) { 188 device_set_desc(dev, "Ricoh R5C552"); 189 return BUS_PROBE_DEFAULT; 190 } 191 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) { 192 device_set_desc(dev, "Apple Pangea"); 193 return BUS_PROBE_DEFAULT; 194 } 195 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) { 196 device_set_desc(dev, "Apple UniNorth"); 197 return BUS_PROBE_DEFAULT; 198 } 199 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) { 200 device_set_desc(dev, "Lucent FW322/323"); 201 return BUS_PROBE_DEFAULT; 202 } 203 if (id == (FW_VENDORID_INTEL | FW_DEVICE_82372FB)) { 204 device_set_desc(dev, "Intel 82372FB"); 205 return BUS_PROBE_DEFAULT; 206 } 207 if (id == (FW_VENDORID_ADAPTEC | FW_DEVICE_AIC5800)) { 208 device_set_desc(dev, "Adaptec AHA-894x/AIC-5800"); 209 return BUS_PROBE_DEFAULT; 210 } 211 if (id == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW)) { 212 device_set_desc(dev, "Sun PCIO-2"); 213 return BUS_PROBE_DEFAULT; 214 } 215 #endif 216 if (pci_get_class(dev) == PCIC_SERIALBUS 217 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW 218 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) { 219 if (bootverbose) 220 device_printf(dev, "vendor=%x, dev=%x\n", 221 pci_get_vendor(dev), pci_get_device(dev)); 222 device_set_desc(dev, "1394 Open Host Controller Interface"); 223 return BUS_PROBE_DEFAULT; 224 } 225 226 return ENXIO; 227 } 228 229 #if defined(__DragonFly__) || __FreeBSD_version < 500000 230 static void 231 fwohci_dummy_intr(void *arg) 232 { 233 /* XXX do nothing */ 234 } 235 #endif 236 237 static int 238 fwohci_pci_init(device_t self) 239 { 240 int olatency, latency, ocache_line, cache_line; 241 uint16_t cmd; 242 243 cmd = pci_read_config(self, PCIR_COMMAND, 2); 244 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN; 245 #if 1 /* for broken hardware */ 246 cmd &= ~PCIM_CMD_MWRICEN; 247 #endif 248 pci_write_config(self, PCIR_COMMAND, cmd, 2); 249 250 /* 251 * Some Sun PCIO-2 FireWire controllers have their intpin register 252 * bogusly set to 0, although it should be 3. Correct that. 253 */ 254 if (pci_get_devid(self) == (FW_VENDORID_SUN | FW_DEVICE_PCIO2FW) && 255 pci_get_intpin(self) == 0) 256 pci_set_intpin(self, 3); 257 258 latency = olatency = pci_read_config(self, PCIR_LATTIMER, 1); 259 #define DEF_LATENCY 0x20 260 if (olatency < DEF_LATENCY) { 261 latency = DEF_LATENCY; 262 pci_write_config(self, PCIR_LATTIMER, latency, 1); 263 } 264 265 cache_line = ocache_line = pci_read_config(self, PCIR_CACHELNSZ, 1); 266 #define DEF_CACHE_LINE 8 267 if (ocache_line < DEF_CACHE_LINE) { 268 cache_line = DEF_CACHE_LINE; 269 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1); 270 } 271 272 if (firewire_debug) { 273 device_printf(self, "latency timer %d -> %d.\n", 274 olatency, latency); 275 device_printf(self, "cache size %d -> %d.\n", 276 ocache_line, cache_line); 277 } 278 279 return 0; 280 } 281 282 static int 283 fwohci_pci_attach(device_t self) 284 { 285 fwohci_softc_t *sc = device_get_softc(self); 286 int err; 287 int rid; 288 #if defined(__DragonFly__) || __FreeBSD_version < 500000 289 int intr; 290 /* For the moment, put in a message stating what is wrong */ 291 intr = pci_read_config(self, PCIR_INTLINE, 1); 292 if (intr == 0 || intr == 255) { 293 device_printf(self, "Invalid irq %d\n", intr); 294 #ifdef __i386__ 295 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n"); 296 #endif 297 } 298 #endif 299 300 #if 0 301 if (bootverbose) 302 firewire_debug = bootverbose; 303 #endif 304 305 fwohci_pci_init(self); 306 307 rid = PCI_CBMEM; 308 #if __FreeBSD_version >= 502109 309 sc->bsr = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE); 310 #else 311 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 312 0, ~0, 1, RF_ACTIVE); 313 #endif 314 if (!sc->bsr) { 315 device_printf(self, "Could not map memory\n"); 316 return ENXIO; 317 } 318 319 sc->bst = rman_get_bustag(sc->bsr); 320 sc->bsh = rman_get_bushandle(sc->bsr); 321 322 rid = 0; 323 #if __FreeBSD_version >= 502109 324 sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, 325 RF_SHAREABLE | RF_ACTIVE); 326 #else 327 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, 328 RF_SHAREABLE | RF_ACTIVE); 329 #endif 330 if (sc->irq_res == NULL) { 331 device_printf(self, "Could not allocate irq\n"); 332 fwohci_pci_detach(self); 333 return ENXIO; 334 } 335 336 337 err = bus_setup_intr(self, sc->irq_res, 338 #if FWOHCI_TASKQUEUE 339 INTR_TYPE_NET | INTR_MPSAFE, 340 #else 341 INTR_TYPE_NET, 342 #endif 343 NULL, (driver_intr_t *) fwohci_intr, sc, &sc->ih); 344 #if defined(__DragonFly__) || __FreeBSD_version < 500000 345 /* XXX splcam() should mask this irq for sbp.c*/ 346 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM, 347 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam); 348 /* XXX splbio() should mask this irq for physio()/fwmem_strategy() */ 349 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO, 350 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_bio); 351 #endif 352 if (err) { 353 device_printf(self, "Could not setup irq, %d\n", err); 354 fwohci_pci_detach(self); 355 return ENXIO; 356 } 357 358 err = bus_dma_tag_create( 359 #if defined(__FreeBSD__) && __FreeBSD_version >= 700020 360 /*parent*/bus_get_dma_tag(self), 361 #else 362 /*parent*/NULL, 363 #endif 364 /*alignment*/1, 365 /*boundary*/0, 366 #if BOUNCE_BUFFER_TEST 367 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 368 #else 369 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 370 #endif 371 /*highaddr*/BUS_SPACE_MAXADDR, 372 /*filter*/NULL, /*filterarg*/NULL, 373 /*maxsize*/0x100000, 374 /*nsegments*/0x20, 375 /*maxsegsz*/0x8000, 376 /*flags*/BUS_DMA_ALLOCNOW, 377 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 378 /*lockfunc*/busdma_lock_mutex, 379 /*lockarg*/&Giant, 380 #endif 381 &sc->fc.dmat); 382 if (err != 0) { 383 printf("fwohci_pci_attach: Could not allocate DMA tag " 384 "- error %d\n", err); 385 return (ENOMEM); 386 } 387 388 err = fwohci_init(sc, self); 389 390 if (err) { 391 device_printf(self, "fwohci_init failed with err=%d\n", err); 392 fwohci_pci_detach(self); 393 return EIO; 394 } 395 396 /* probe and attach a child device(firewire) */ 397 bus_generic_probe(self); 398 bus_generic_attach(self); 399 400 return 0; 401 } 402 403 static int 404 fwohci_pci_detach(device_t self) 405 { 406 fwohci_softc_t *sc = device_get_softc(self); 407 int s; 408 409 410 s = splfw(); 411 412 if (sc->bsr) 413 fwohci_stop(sc, self); 414 415 bus_generic_detach(self); 416 if (sc->fc.bdev) { 417 device_delete_child(self, sc->fc.bdev); 418 sc->fc.bdev = NULL; 419 } 420 421 /* disable interrupts that might have been switched on */ 422 if (sc->bst && sc->bsh) 423 bus_space_write_4(sc->bst, sc->bsh, 424 FWOHCI_INTMASKCLR, OHCI_INT_EN); 425 426 if (sc->irq_res) { 427 int err = bus_teardown_intr(self, sc->irq_res, sc->ih); 428 if (err) 429 /* XXX or should we panic? */ 430 device_printf(self, "Could not tear down irq, %d\n", 431 err); 432 #if defined(__DragonFly__) || __FreeBSD_version < 500000 433 bus_teardown_intr(self, sc->irq_res, sc->ih_cam); 434 bus_teardown_intr(self, sc->irq_res, sc->ih_bio); 435 #endif 436 sc->ih = NULL; 437 } 438 439 if (sc->irq_res) { 440 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); 441 sc->irq_res = NULL; 442 } 443 444 if (sc->bsr) { 445 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr); 446 sc->bsr = NULL; 447 sc->bst = 0; 448 sc->bsh = 0; 449 } 450 451 fwohci_detach(sc, self); 452 splx(s); 453 454 return 0; 455 } 456 457 static int 458 fwohci_pci_suspend(device_t dev) 459 { 460 fwohci_softc_t *sc = device_get_softc(dev); 461 int err; 462 463 device_printf(dev, "fwohci_pci_suspend\n"); 464 err = bus_generic_suspend(dev); 465 if (err) 466 return err; 467 fwohci_stop(sc, dev); 468 return 0; 469 } 470 471 static int 472 fwohci_pci_resume(device_t dev) 473 { 474 fwohci_softc_t *sc = device_get_softc(dev); 475 476 fwohci_pci_init(dev); 477 fwohci_resume(sc, dev); 478 return 0; 479 } 480 481 static int 482 fwohci_pci_shutdown(device_t dev) 483 { 484 fwohci_softc_t *sc = device_get_softc(dev); 485 486 bus_generic_shutdown(dev); 487 fwohci_stop(sc, dev); 488 return 0; 489 } 490 491 static device_t 492 fwohci_pci_add_child(device_t dev, int order, const char *name, int unit) 493 { 494 struct fwohci_softc *sc; 495 device_t child; 496 int s, err = 0; 497 498 sc = (struct fwohci_softc *)device_get_softc(dev); 499 child = device_add_child(dev, name, unit); 500 if (child == NULL) 501 return (child); 502 503 sc->fc.bdev = child; 504 device_set_ivars(child, (void *)&sc->fc); 505 506 err = device_probe_and_attach(child); 507 if (err) { 508 device_printf(dev, "probe_and_attach failed with err=%d\n", 509 err); 510 fwohci_pci_detach(dev); 511 device_delete_child(dev, child); 512 return NULL; 513 } 514 515 /* XXX 516 * Clear the bus reset event flag to start transactions even when 517 * interrupt is disabled during the boot process. 518 */ 519 if (cold) { 520 DELAY(250); /* 2 cycles */ 521 s = splfw(); 522 fwohci_poll((void *)sc, 0, -1); 523 splx(s); 524 } 525 526 return (child); 527 } 528 529 static device_method_t fwohci_methods[] = { 530 /* Device interface */ 531 DEVMETHOD(device_probe, fwohci_pci_probe), 532 DEVMETHOD(device_attach, fwohci_pci_attach), 533 DEVMETHOD(device_detach, fwohci_pci_detach), 534 DEVMETHOD(device_suspend, fwohci_pci_suspend), 535 DEVMETHOD(device_resume, fwohci_pci_resume), 536 DEVMETHOD(device_shutdown, fwohci_pci_shutdown), 537 538 /* Bus interface */ 539 DEVMETHOD(bus_add_child, fwohci_pci_add_child), 540 DEVMETHOD(bus_print_child, bus_generic_print_child), 541 542 { 0, 0 } 543 }; 544 545 static driver_t fwohci_driver = { 546 "fwohci", 547 fwohci_methods, 548 sizeof(fwohci_softc_t), 549 }; 550 551 static devclass_t fwohci_devclass; 552 553 #ifdef FWOHCI_MODULE 554 MODULE_DEPEND(fwohci, firewire, 1, 1, 1); 555 #endif 556 DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0); 557 DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0); 558