firewire.c revision 103285
1241279Smarcel/* 2241279Smarcel * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 3241279Smarcel * All rights reserved. 4241279Smarcel * 5241279Smarcel * Redistribution and use in source and binary forms, with or without 6241279Smarcel * modification, are permitted provided that the following conditions 7241279Smarcel * are met: 8292068Ssjg * 1. Redistributions of source code must retain the above copyright 9241279Smarcel * notice, this list of conditions and the following disclaimer. 10292068Ssjg * 2. Redistributions in binary form must reproduce the above copyright 11241279Smarcel * notice, this list of conditions and the following disclaimer in the 12241279Smarcel * documentation and/or other materials provided with the distribution. 13241279Smarcel * 3. All advertising materials mentioning features or use of this software 14241279Smarcel * must display the acknowledgement as bellow: 15241279Smarcel * 16292068Ssjg * This product includes software developed by K. Kobayashi and H. Shimokawa 17241279Smarcel * 18241279Smarcel * 4. The name of the author may not be used to endorse or promote products 19241279Smarcel * derived from this software without specific prior written permission. 20241279Smarcel * 21292068Ssjg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22292068Ssjg * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23241279Smarcel * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24241279Smarcel * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25241279Smarcel * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26241279Smarcel * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27241279Smarcel * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28241279Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29241279Smarcel * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30292068Ssjg * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31241279Smarcel * POSSIBILITY OF SUCH DAMAGE. 32292068Ssjg * 33292068Ssjg * $FreeBSD: head/sys/dev/firewire/firewire.c 103285 2002-09-13 12:31:56Z ikob $ 34292068Ssjg * 35241279Smarcel */ 36241279Smarcel 37292068Ssjg#include <sys/param.h> 38241279Smarcel#include <sys/systm.h> 39241279Smarcel#include <sys/types.h> 40241279Smarcel#include <sys/mbuf.h> 41249033Ssjg#include <sys/socket.h> 42241279Smarcel#include <sys/socketvar.h> 43241279Smarcel 44241279Smarcel#include <sys/kernel.h> 45241279Smarcel#include <sys/malloc.h> 46241279Smarcel#include <sys/conf.h> 47241279Smarcel#include <sys/uio.h> 48241279Smarcel#include <sys/sysctl.h> 49241279Smarcel#include <sys/poll.h> 50241279Smarcel 51241279Smarcel#include <machine/cpufunc.h> /* for rdtsc proto for clock.h below */ 52241279Smarcel#include <machine/clock.h> 53241279Smarcel#include <pci/pcivar.h> 54243115Ssjg#include <pci/pcireg.h> 55241279Smarcel 56241279Smarcel#include <vm/vm.h> 57255253Ssjg#include <vm/pmap.h> /* for vtophys proto */ 58241279Smarcel#include <vm/vm_extern.h> 59241279Smarcel 60241279Smarcel#include <sys/bus.h> /* used by smbus and newbus */ 61241279Smarcel 62292068Ssjg#include <machine/bus.h> /* used by newbus */ 63292068Ssjg#include <sys/rman.h> /* used by newbus */ 64292068Ssjg#include <machine/resource.h> /* used by newbus */ 65241279Smarcel 66292068Ssjg#include <sys/signal.h> 67292068Ssjg#include <sys/mman.h> 68292068Ssjg#include <sys/ioccom.h> 69292068Ssjg 70292068Ssjg#include <dev/firewire/firewire.h> 71292068Ssjg#include <dev/firewire/firewirereg.h> 72292068Ssjg#include <dev/firewire/fwmem.h> 73241279Smarcel#include <dev/firewire/iec13213.h> 74292068Ssjg#include <dev/firewire/iec68113.h> 75241279Smarcel 76243115Ssjgint firewire_debug=0; 77241279SmarcelSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "Firewire Subsystem"); 78292068SsjgSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 79241279Smarcel "Firewire driver debug flag"); 80292068Ssjg 81292068Ssjg#define CDEV_MAJOR 127 82292068Ssjg#define FW_MAXASYRTY 4 83292068Ssjg#define FW_MAXDEVRCNT 4 84292068Ssjg#define FWNODE_INVAL 0xffff 85292068Ssjg 86292068Ssjg#define XFER_TIMEOUT 0 87241279Smarcel 88292068Ssjgstatic d_open_t fw_open; 89292068Ssjgstatic d_close_t fw_close; 90292068Ssjgstatic d_ioctl_t fw_ioctl; 91292068Ssjgstatic d_poll_t fw_poll; 92241279Smarcelstatic d_read_t fw_read; /* for Isochronous packet */ 93241279Smarcelstatic d_write_t fw_write; 94241279Smarcelstatic d_mmap_t fw_mmap; 95241279Smarcel 96241279Smarceldevclass_t firewire_devclass; 97241279Smarcel 98241279Smarcel 99246325Ssjgstatic int firewire_match __P((device_t)); 100241279Smarcelstatic int firewire_attach __P((device_t)); 101241279Smarcelstatic int firewire_detach __P((device_t)); 102241279Smarcel#if 0 103241279Smarcelstatic int firewire_shutdown __P((device_t)); 104246325Ssjg#endif 105241279Smarcelstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 106292068Ssjgstatic struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t)); 107292068Ssjgstatic void fw_try_bmr __P((void *)); 108292068Ssjgstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 109292068Ssjgstatic u_int16_t fw_noderesolve __P((struct firewire_comm *, struct fw_eui64)); 110292068Ssjgstatic void fw_asystart __P((struct fw_xfer *)); 111292068Ssjgstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 112292068Ssjgstatic void fw_bus_probe __P((struct firewire_comm *)); 113292068Ssjgstatic void fw_bus_explore __P((struct firewire_comm *)); 114292068Ssjgstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 115292068Ssjgstatic void fw_attach_dev __P((struct firewire_comm *)); 116292068Ssjgstatic void fw_vmaccess __P((struct fw_xfer *)); 117292068Ssjgstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 118292068Ssjg u_int32_t, u_int32_t, void __P(*))); 119241279Smarcel 120241279Smarcelstatic device_method_t firewire_methods[] = { 121241279Smarcel /* Device interface */ 122241279Smarcel DEVMETHOD(device_probe, firewire_match), 123292068Ssjg DEVMETHOD(device_attach, firewire_attach), 124292068Ssjg DEVMETHOD(device_detach, firewire_detach), 125292068Ssjg DEVMETHOD(device_shutdown, bus_generic_shutdown), 126292068Ssjg 127292068Ssjg /* Bus interface */ 128292068Ssjg DEVMETHOD(bus_add_child, firewire_add_child), 129292068Ssjg DEVMETHOD(bus_print_child, bus_generic_print_child), 130292068Ssjg 131292068Ssjg { 0, 0 } 132292068Ssjg}; 133241279Smarcelchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 134292068Ssjgu_int maxrec[6]={512,1024,2048,4096,8192,0}; 135292068Ssjg 136292068Ssjg#define MAX_GAPHOP 16 137292068Ssjgu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 138292068Ssjg 20, 23, 25, 28, 31, 33, 36, 39, 42}; 139292068Ssjg/* 140292068Ssjg * The probe routine. 141292068Ssjg */ 142292068Ssjgstruct cdevsw firewire_cdevsw = 143292068Ssjg{ 144292068Ssjg fw_open, fw_close, fw_read, fw_write, fw_ioctl, 145292068Ssjg fw_poll, fw_mmap, nostrategy, "fw", CDEV_MAJOR, nodump, nopsize, D_MEM 146292068Ssjg}; 147241279Smarcelstatic driver_t firewire_driver = { 148292068Ssjg "firewire", 149292068Ssjg firewire_methods, 150292068Ssjg sizeof(struct firewire_softc), 151292068Ssjg}; 152292068Ssjg 153241279Smarcelstatic int 154292068Ssjgfw_open (dev_t dev, int flags, int fmt, fw_proc *td) 155292068Ssjg{ 156292068Ssjg struct firewire_softc *sc; 157292068Ssjg int unit = DEV2UNIT(dev); 158292068Ssjg int sub = DEV2DMACH(dev); 159 160 int err = 0; 161 162 if (DEV_FWMEM(dev)) 163 return fwmem_open(dev, flags, fmt, td); 164 165 sc = devclass_get_softc(firewire_devclass, unit); 166 if(sc->fc->ir[sub]->flag & FWXFERQ_OPEN){ 167 err = EBUSY; 168 return err; 169 } 170 if(sc->fc->it[sub]->flag & FWXFERQ_OPEN){ 171 err = EBUSY; 172 return err; 173 } 174 if(sc->fc->ir[sub]->flag & FWXFERQ_MODEMASK){ 175 err = EBUSY; 176 return err; 177 } 178/* Default is per packet mode */ 179 sc->fc->ir[sub]->flag |= FWXFERQ_OPEN; 180 sc->fc->it[sub]->flag |= FWXFERQ_OPEN; 181 sc->fc->ir[sub]->flag |= FWXFERQ_PACKET; 182 return err; 183} 184static int 185fw_close (dev_t dev, int flags, int fmt, fw_proc *td) 186{ 187 struct firewire_softc *sc; 188 int unit = DEV2UNIT(dev); 189 int sub = DEV2DMACH(dev); 190 struct fw_xfer *xfer; 191 struct fw_dvbuf *dvbuf; 192 struct fw_bind *fwb; 193 int err = 0; 194 195 if (DEV_FWMEM(dev)) 196 return fwmem_close(dev, flags, fmt, td); 197 198 sc = devclass_get_softc(firewire_devclass, unit); 199 if(!(sc->fc->ir[sub]->flag & FWXFERQ_OPEN)){ 200 err = EINVAL; 201 return err; 202 } 203 sc->fc->ir[sub]->flag &= ~FWXFERQ_OPEN; 204 if(!(sc->fc->it[sub]->flag & FWXFERQ_OPEN)){ 205 err = EINVAL; 206 return err; 207 } 208 sc->fc->it[sub]->flag &= ~FWXFERQ_OPEN; 209 210 if(sc->fc->ir[sub]->flag & FWXFERQ_RUNNING){ 211 sc->fc->irx_disable(sc->fc, sub); 212 } 213 if(sc->fc->it[sub]->flag & FWXFERQ_RUNNING){ 214 sc->fc->it[sub]->flag &= ~FWXFERQ_RUNNING; 215 sc->fc->itx_disable(sc->fc, sub); 216 } 217 if(sc->fc->it[sub]->flag & FWXFERQ_DV){ 218 if((dvbuf = sc->fc->it[sub]->dvproc) != NULL){ 219 free(dvbuf->buf, M_DEVBUF); 220 sc->fc->it[sub]->dvproc = NULL; 221 } 222 if((dvbuf = sc->fc->it[sub]->dvdma) != NULL){ 223 free(dvbuf->buf, M_DEVBUF); 224 sc->fc->it[sub]->dvdma = NULL; 225 } 226 while((dvbuf = STAILQ_FIRST(&sc->fc->it[sub]->dvvalid)) != NULL){ 227 STAILQ_REMOVE_HEAD(&sc->fc->it[sub]->dvvalid, link); 228 free(dvbuf->buf, M_DEVBUF); 229 } 230 while((dvbuf = STAILQ_FIRST(&sc->fc->it[sub]->dvfree)) != NULL){ 231 STAILQ_REMOVE_HEAD(&sc->fc->it[sub]->dvfree, link); 232 free(dvbuf->buf, M_DEVBUF); 233 } 234 free(sc->fc->it[sub]->dvbuf, M_DEVBUF); 235 sc->fc->it[sub]->dvbuf = NULL; 236 } 237 if(sc->fc->ir[sub]->flag & FWXFERQ_EXTBUF){ 238 free(sc->fc->ir[sub]->buf, M_DEVBUF); 239 sc->fc->ir[sub]->buf = NULL; 240 free(sc->fc->ir[sub]->bulkxfer, M_DEVBUF); 241 sc->fc->ir[sub]->bulkxfer = NULL; 242 sc->fc->ir[sub]->flag &= ~FWXFERQ_EXTBUF; 243 sc->fc->ir[sub]->psize = FWPMAX_S400; 244 sc->fc->ir[sub]->maxq = FWMAXQUEUE; 245 } 246 if(sc->fc->it[sub]->flag & FWXFERQ_EXTBUF){ 247 free(sc->fc->it[sub]->buf, M_DEVBUF); 248 sc->fc->it[sub]->buf = NULL; 249 free(sc->fc->it[sub]->bulkxfer, M_DEVBUF); 250 sc->fc->it[sub]->bulkxfer = NULL; 251 sc->fc->it[sub]->dvbuf = NULL; 252 sc->fc->it[sub]->flag &= ~FWXFERQ_EXTBUF; 253 sc->fc->it[sub]->psize = FWPMAX_S400; 254 sc->fc->it[sub]->maxq = FWMAXQUEUE; 255 } 256 for(xfer = STAILQ_FIRST(&sc->fc->ir[sub]->q); 257 xfer != NULL; xfer = STAILQ_FIRST(&sc->fc->ir[sub]->q)){ 258 sc->fc->ir[sub]->queued--; 259 STAILQ_REMOVE_HEAD(&sc->fc->ir[sub]->q, link); 260 261 xfer->resp = 0; 262 switch(xfer->act_type){ 263 case FWACT_XFER: 264 fw_xfer_done(xfer); 265 break; 266 default: 267 break; 268 } 269 fw_xfer_free(xfer); 270 } 271 for(fwb = STAILQ_FIRST(&sc->fc->ir[sub]->binds); fwb != NULL; 272 fwb = STAILQ_FIRST(&sc->fc->ir[sub]->binds)){ 273 STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 274 STAILQ_REMOVE_HEAD(&sc->fc->ir[sub]->binds, chlist); 275 free(fwb, M_DEVBUF); 276 } 277 sc->fc->ir[sub]->flag &= ~FWXFERQ_MODEMASK; 278 sc->fc->it[sub]->flag &= ~FWXFERQ_MODEMASK; 279 return err; 280} 281/* 282 * read request. 283 */ 284static int 285fw_read (dev_t dev, struct uio *uio, int ioflag) 286{ 287 struct firewire_softc *sc; 288 struct fw_xferq *ir; 289 struct fw_xfer *xfer; 290 int err = 0, s, slept = 0; 291 int unit = DEV2UNIT(dev); 292 int sub = DEV2DMACH(dev); 293 struct fw_pkt *fp; 294 295 if (DEV_FWMEM(dev)) 296 return fwmem_read(dev, uio, ioflag); 297 298 sc = devclass_get_softc(firewire_devclass, unit); 299 300 ir = sc->fc->ir[sub]; 301 302 if(ir->flag & FWXFERQ_PACKET){ 303 ir->stproc = NULL; 304 } 305readloop: 306 xfer = STAILQ_FIRST(&ir->q); 307 if(!(ir->flag & FWXFERQ_PACKET) && ir->stproc == NULL){ 308 ir->stproc = STAILQ_FIRST(&ir->stvalid); 309 if(ir->stproc != NULL){ 310 s = splfw(); 311 STAILQ_REMOVE_HEAD(&ir->stvalid, link); 312 splx(s); 313 ir->queued = 0; 314 } 315 } 316 317 if(xfer == NULL && ir->stproc == NULL){ 318 if(slept == 0){ 319 slept = 1; 320 if(!(ir->flag & FWXFERQ_RUNNING) 321 && (ir->flag & FWXFERQ_PACKET)){ 322 err = sc->fc->irx_enable(sc->fc, sub); 323 } 324 if(err){ 325 return err; 326 } 327 ir->flag |= FWXFERQ_WAKEUP; 328 err = tsleep((caddr_t)ir, FWPRI, "fw_read", hz); 329 if(err){ 330 ir->flag &= ~FWXFERQ_WAKEUP; 331 return err; 332 } 333 goto readloop; 334 }else{ 335 err = EIO; 336 return err; 337 } 338 }else if(xfer != NULL){ 339 s = splfw(); 340 ir->queued --; 341 STAILQ_REMOVE_HEAD(&ir->q, link); 342 splx(s); 343 fp = (struct fw_pkt *)(xfer->recv.buf + xfer->recv.off); 344 if(sc->fc->irx_post != NULL) 345 sc->fc->irx_post(sc->fc, fp->mode.ld); 346 err = uiomove(xfer->recv.buf + xfer->recv.off, xfer->recv.len, uio); 347 fw_xfer_free( xfer); 348 }else if(ir->stproc != NULL){ 349 fp = (struct fw_pkt *)(ir->stproc->buf + ir->queued * ir->psize); 350 if(sc->fc->irx_post != NULL) 351 sc->fc->irx_post(sc->fc, fp->mode.ld); 352 if(ntohs(fp->mode.stream.len) == 0){ 353 err = EIO; 354 return err; 355 } 356 err = uiomove((caddr_t)fp, ntohs(fp->mode.stream.len) + sizeof(u_int32_t), uio); 357 fp->mode.stream.len = 0; 358 ir->queued ++; 359 if(ir->queued >= ir->bnpacket){ 360 s = splfw(); 361 ir->stproc->flag = 0; 362 STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link); 363 splx(s); 364 ir->stproc = NULL; 365 } 366 } 367#if 0 368 if(STAILQ_FIRST(&ir->q) == NULL && 369 (ir->flag & FWXFERQ_RUNNING) && (ir->flag & FWXFERQ_PACKET)){ 370 err = sc->fc->irx_enable(sc->fc, sub); 371 } 372#endif 373#if 0 374 if(STAILQ_FIRST(&ir->stvalid) == NULL && 375 (ir->flag & FWXFERQ_RUNNING) && !(ir->flag & FWXFERQ_PACKET)){ 376 err = sc->fc->irx_enable(sc->fc, sub); 377 } 378#endif 379 return err; 380} 381static int 382fw_write (dev_t dev, struct uio *uio, int ioflag) 383{ 384 int err = 0; 385 struct firewire_softc *sc; 386 int unit = DEV2UNIT(dev); 387 int sub = DEV2DMACH(dev); 388 int tl, s, slept = 0; 389 struct fw_pkt *fp; 390 struct fw_xfer *xfer; 391 struct fw_xferq *xferq; 392 struct firewire_comm *fc; 393 struct fw_xferq *it; 394 395 if (DEV_FWMEM(dev)) 396 return fwmem_write(dev, uio, ioflag); 397 398 sc = devclass_get_softc(firewire_devclass, unit); 399 fc = sc->fc; 400 it = sc->fc->it[sub]; 401 402 fp = (struct fw_pkt *)uio->uio_iov->iov_base; 403 switch(fp->mode.common.tcode){ 404 case FWTCODE_RREQQ: 405 case FWTCODE_RREQB: 406 case FWTCODE_LREQ: 407 err = EINVAL; 408 return err; 409 case FWTCODE_WREQQ: 410 case FWTCODE_WREQB: 411 xferq = fc->atq; 412 break; 413 case FWTCODE_STREAM: 414 if(it->flag & FWXFERQ_PACKET){ 415 xferq = fc->atq; 416 }else{ 417 xferq = NULL; 418 } 419 break; 420 case FWTCODE_WRES: 421 case FWTCODE_RRESQ: 422 case FWTCODE_RRESB: 423 case FWTCODE_LRES: 424 xferq = fc->ats; 425 break; 426 default: 427 err = EINVAL; 428 return err; 429 } 430 /* Discard unsent buffered stream packet, when sending Asyrequrst */ 431 if(xferq != NULL && it->stproc != NULL){ 432 s = splfw(); 433 it->stproc->flag = 0; 434 STAILQ_INSERT_TAIL(&it->stfree, it->stproc, link); 435 splx(s); 436 it->stproc = NULL; 437 } 438 if(xferq == NULL && !(it->flag & FWXFERQ_DV)){ 439isoloop: 440 if(it->stproc == NULL){ 441 it->stproc = STAILQ_FIRST(&it->stfree); 442 if(it->stproc != NULL){ 443 s = splfw(); 444 STAILQ_REMOVE_HEAD(&it->stfree, link); 445 splx(s); 446 it->queued = 0; 447 }else if(slept == 0){ 448 slept = 1; 449 err = sc->fc->itx_enable(sc->fc, sub); 450 if(err){ 451 return err; 452 } 453 err = tsleep((caddr_t)it, FWPRI, "fw_write", hz); 454 if(err){ 455 return err; 456 } 457 goto isoloop; 458 }else{ 459 err = EIO; 460 return err; 461 } 462 } 463 fp = (struct fw_pkt *)(it->stproc->buf + it->queued * it->psize); 464 fp->mode.stream.len = htons(uio->uio_resid - sizeof(u_int32_t)); 465 err = uiomove(it->stproc->buf + it->queued * it->psize, 466 uio->uio_resid, uio); 467 it->queued ++; 468 if(it->queued >= it->btpacket){ 469 s = splfw(); 470 STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 471 splx(s); 472 it->stproc = NULL; 473 fw_tbuf_update(sc->fc, sub, 0); 474 err = sc->fc->itx_enable(sc->fc, sub); 475 } 476 return err; 477 } if(xferq == NULL && it->flag & FWXFERQ_DV){ 478dvloop: 479 if(it->dvproc == NULL){ 480 it->dvproc = STAILQ_FIRST(&it->dvfree); 481 if(it->dvproc != NULL){ 482 s = splfw(); 483 STAILQ_REMOVE_HEAD(&it->dvfree, link); 484 splx(s); 485 it->dvptr = 0; 486 }else if(slept == 0){ 487 slept = 1; 488 err = sc->fc->itx_enable(sc->fc, sub); 489 if(err){ 490 return err; 491 } 492 err = tsleep((caddr_t)it, FWPRI, "fw_write", hz); 493 if(err){ 494 return err; 495 } 496 goto dvloop; 497 }else{ 498 err = EIO; 499 return err; 500 } 501 } 502 fp = (struct fw_pkt *)(it->dvproc->buf + it->queued * it->psize); 503 fp->mode.stream.len = htons(uio->uio_resid - sizeof(u_int32_t)); 504 err = uiomove(it->dvproc->buf + it->dvptr, 505 uio->uio_resid, uio); 506 it->dvptr += it->psize; 507 if(err){ 508 return err; 509 } 510 if(it->dvptr >= it->psize * it->dvpacket){ 511 s = splfw(); 512 STAILQ_INSERT_TAIL(&it->dvvalid, it->dvproc, link); 513 splx(s); 514 it->dvproc = NULL; 515 err = fw_tbuf_update(sc->fc, sub, 0); 516 if(err){ 517 return err; 518 } 519 err = sc->fc->itx_enable(sc->fc, sub); 520 } 521 return err; 522 } 523 if(xferq != NULL){ 524 xfer = fw_xfer_alloc(); 525 if(xfer == NULL){ 526 err = ENOMEM; 527 return err; 528 } 529 xfer->send.buf = malloc(uio->uio_resid, M_DEVBUF, M_NOWAIT); 530 if(xfer->send.buf == NULL){ 531 fw_xfer_free( xfer); 532 err = ENOBUFS; 533 return err; 534 } 535 xfer->dst = ntohs(fp->mode.hdr.dst); 536 537 switch(fp->mode.common.tcode){ 538 case FWTCODE_WREQQ: 539 case FWTCODE_WREQB: 540 if((tl = fw_get_tlabel(fc, xfer)) == -1 ){ 541 fw_xfer_free( xfer); 542 err = EAGAIN; 543 return err; 544 } 545 fp->mode.hdr.tlrt = tl << 2; 546 default: 547 break; 548 } 549 550 xfer->tl = fp->mode.hdr.tlrt >> 2; 551 xfer->send.len = uio->uio_resid; 552 xfer->send.off = 0; 553 xfer->tcode = fp->mode.common.tcode; 554 xfer->spd = 0;/* XXX: how to setup it */ 555 xfer->fc = fc; 556 xfer->q = xferq; 557 xfer->act_type = FWACT_XFER; 558 xfer->act.hand = fw_asy_callback; 559 xfer->retry_req = fw_asybusy; 560 561 err = uiomove(xfer->send.buf, uio->uio_resid, uio); 562 if(err){ 563 return err; 564 } 565 fw_asystart(xfer); 566 err = tsleep((caddr_t)xfer, FWPRI, "fw_write", hz); 567 if(xfer->resp == EBUSY) 568 return EBUSY; 569 fw_xfer_free( xfer); 570 return err; 571 } 572 return EINVAL; 573} 574/* 575 * transmitter buffer update. 576 */ 577int 578fw_tbuf_update(struct firewire_comm *fc, int sub, int flag){ 579 struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 580 struct fw_dvbuf *dvbuf = NULL; 581 struct fw_xferq *it; 582 int s, err = 0, i, j, chtag; 583 struct fw_pkt *fp; 584 u_int64_t tmpsync, dvsync; 585 586 it = fc->it[sub]; 587 588 s = splfw(); 589 if(it->stdma == NULL){ 590 bulkxfer = STAILQ_FIRST(&it->stvalid); 591 }else if(flag != 0){ 592 bulkxfer = STAILQ_FIRST(&it->stvalid); 593 if(bulkxfer == it->stdma){ 594 STAILQ_REMOVE_HEAD(&it->stvalid, link); 595 it->stdma->flag = 0; 596 STAILQ_INSERT_TAIL(&it->stfree, it->stdma, link); 597 if(!(it->flag & FWXFERQ_DV)) 598 wakeup(it); 599 } 600 bulkxfer = STAILQ_FIRST(&it->stvalid); 601 }else{ 602 bulkxfer = it->stdma; 603 } 604 splx(s); 605 if(bulkxfer != NULL){ 606 s = splfw(); 607 bulkxfer2 = STAILQ_NEXT(bulkxfer, link); 608#if 0 609 if(it->flag & FWXFERQ_DV && bulkxfer2 == NULL){ 610 bulkxfer2 = STAILQ_FIRST(&it->stfree); 611 STAILQ_REMOVE_HEAD(&it->stfree, link); 612 splx(s); 613 bcopy(bulkxfer->buf, bulkxfer2->buf, 614 it->psize * it->btpacket); 615 s = splfw(); 616 STAILQ_INSERT_TAIL(&it->stvalid, bulkxfer2, link); 617 } 618#endif 619 splx(s); 620 } 621 it->stdma = bulkxfer; 622 it->stdma2 = bulkxfer2; 623 624 if(it->flag & FWXFERQ_DV){ 625 chtag = it->flag & 0xff; 626dvloop: 627 if(it->dvdma == NULL){ 628 dvbuf = STAILQ_FIRST(&it->dvvalid); 629 if(dvbuf != NULL){ 630 s = splfw(); 631 STAILQ_REMOVE_HEAD(&it->dvvalid, link); 632 it->dvdma = dvbuf; 633 splx(s); 634 it->queued = 0; 635 } 636 } 637 if(it->dvdma == NULL) 638 return err; 639 640 it->stproc = STAILQ_FIRST(&it->stfree); 641 if(it->stproc != NULL){ 642 s = splfw(); 643 STAILQ_REMOVE_HEAD(&it->stfree, link); 644 splx(s); 645 }else{ 646 return err; 647 } 648/* 649 * Insert least significant 12 bits timestamp value by computation. 650 * Highest significant 4 bits is insert at just before packet sending. 651 */ 652 fp = (struct fw_pkt *)(it->stproc->buf); 653/* XXX: Parameter relies on NTSC type DV video */ 654 tmpsync = 3072 * 8000 * 100 / 2997; 655 tmpsync *= it->dvsync; 656 dvsync = tmpsync; 657 dvsync %= 0xc00; 658 fp->mode.ld[2] = htonl(0x80000000 | (dvsync % 0xc00)); 659 it->dvsync ++; 660 it->dvsync %= 2997; 661 662 for( i = 0, j = 0 ; i < it->dvpacket ; i++){ 663 bcopy(it->dvdma->buf + it->queued * it->psize, 664 it->stproc->buf + j * it->psize, it->psize); 665 fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 666 fp->mode.stream.len = htons(488); 667 fp->mode.stream.chtag = chtag; 668 fp->mode.stream.tcode = FWTCODE_STREAM; 669 fp->mode.ld[1] = htonl((fc->nodeid << 24) | 0x00780000 | it->dvdbc); 670 it->dvdbc++; 671 it->dvdbc %= 256; 672 it->queued ++; 673 j++; 674/* XXX: Parameter relies on NTSC type DV video */ 675#if 1 676#define DVDIFF 203 677#define DVFRAC 2997 678#else 679#define DVDIFF 127 680#define DVFRAC 1875 681#endif 682 it->dvdiff += DVDIFF; 683 if(it->dvdiff >= DVFRAC){ 684 it->dvdiff %= DVFRAC; 685 fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 686 687 fp->mode.stream.len = htons(0x8); 688 fp->mode.stream.chtag = chtag; 689 fp->mode.stream.tcode = FWTCODE_STREAM; 690 fp->mode.ld[1] = htonl((fc->nodeid << 24) | 691 0x00780000 | it->dvdbc); 692 j++; 693 } 694 } 695 it->stproc->npacket = j; 696 s = splfw(); 697 STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 698 splx(s); 699 if(it->queued >= it->dvpacket){ 700 s = splfw(); 701 STAILQ_INSERT_TAIL(&it->dvfree, it->dvdma, link); 702 it->dvdma = NULL; 703 splx(s); 704 wakeup(it); 705 goto dvloop; 706 } 707 } 708 return err; 709} 710/* 711 * receving buffer update. 712 */ 713int 714fw_rbuf_update(struct firewire_comm *fc, int sub, int flag){ 715 struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 716 struct fw_xferq *ir; 717 int s, err = 0; 718 719 ir = fc->ir[sub]; 720 s = splfw(); 721 if(ir->stdma != NULL){ 722 if(flag != 0){ 723 STAILQ_INSERT_TAIL(&ir->stvalid, ir->stdma, link); 724 }else{ 725 ir->stdma->flag = 0; 726 STAILQ_INSERT_TAIL(&ir->stfree, ir->stdma, link); 727 } 728 } 729 if(ir->stdma2 != NULL){ 730 bulkxfer = ir->stdma2; 731 bulkxfer2 = STAILQ_FIRST(&ir->stfree); 732 if(bulkxfer2 != NULL){ 733 STAILQ_REMOVE_HEAD(&ir->stfree, link); 734 } 735 }else{ 736 bulkxfer = STAILQ_FIRST(&ir->stfree); 737 if(bulkxfer != NULL){ 738 STAILQ_REMOVE_HEAD(&ir->stfree, link); 739 bulkxfer2 = STAILQ_FIRST(&ir->stfree); 740 if(bulkxfer2 != NULL){ 741 STAILQ_REMOVE_HEAD(&ir->stfree, link); 742 } 743 }else{ 744 bulkxfer = STAILQ_FIRST(&ir->stvalid); 745 STAILQ_REMOVE_HEAD(&ir->stvalid, link); 746 } 747 } 748 splx(s); 749 ir->stdma = bulkxfer; 750 ir->stdma2 = bulkxfer2; 751 return err; 752} 753/* 754 * ioctl support. 755 */ 756int 757fw_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, fw_proc *td) 758{ 759 struct firewire_softc *sc; 760 int unit = DEV2UNIT(dev); 761 int sub = DEV2DMACH(dev); 762 int i, len, err = 0; 763 struct fw_device *fwdev; 764 struct fw_bind *fwb; 765 struct fw_xferq *ir, *it; 766 struct fw_xfer *xfer; 767 struct fw_pkt *fp; 768 769 struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)data; 770 struct fw_asyreq *asyreq = (struct fw_asyreq *)data; 771 struct fw_isochreq *ichreq = (struct fw_isochreq *)data; 772 struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)data; 773 struct fw_asybindreq *bindreq = (struct fw_asybindreq *)data; 774#if 0 775 struct fw_map_buf *map_buf = (struct fw_map_buf *)data; 776#endif 777 struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)data; 778 779 if (DEV_FWMEM(dev)) 780 return fwmem_ioctl(dev, cmd, data, flag, td); 781 782 sc = devclass_get_softc(firewire_devclass, unit); 783 if (!data) 784 return(EINVAL); 785 786 switch (cmd) { 787 case FW_STSTREAM: 788 sc->fc->it[sub]->flag &= ~0xff; 789 sc->fc->it[sub]->flag |= (0x3f & ichreq->ch); 790 sc->fc->it[sub]->flag |= ((0x3 & ichreq->tag) << 6); 791 err = 0; 792 break; 793 case FW_GTSTREAM: 794 ichreq->ch = sc->fc->it[sub]->flag & 0x3f; 795 ichreq->tag =(sc->fc->it[sub]->flag) >> 2 & 0x3; 796 err = 0; 797 break; 798 case FW_SRSTREAM: 799 sc->fc->ir[sub]->flag &= ~0xff; 800 sc->fc->ir[sub]->flag |= (0x3f & ichreq->ch); 801 sc->fc->ir[sub]->flag |= ((0x3 & ichreq->tag) << 6); 802 err = sc->fc->irx_enable(sc->fc, sub); 803 break; 804 case FW_GRSTREAM: 805 ichreq->ch = sc->fc->ir[sub]->flag & 0x3f; 806 ichreq->tag =(sc->fc->ir[sub]->flag) >> 2 & 0x3; 807 err = 0; 808 break; 809 case FW_SSTDV: 810 ibufreq = (struct fw_isobufreq *) 811 malloc(sizeof(struct fw_isobufreq), M_DEVBUF, M_NOWAIT); 812 if(ibufreq == NULL){ 813 err = ENOMEM; 814 break; 815 } 816#define FWDVPACKET 250 817#define FWDVPMAX 512 818 ibufreq->rx.nchunk = 8; 819 ibufreq->rx.npacket = 50; 820 ibufreq->rx.psize = FWDVPMAX; 821 822 ibufreq->tx.nchunk = 5; 823 ibufreq->tx.npacket = 300; 824 ibufreq->tx.psize = FWDVPMAX; 825 826 err = fw_ioctl(dev, FW_SSTBUF, (caddr_t)ibufreq, flag, td); 827 sc->fc->it[sub]->dvpacket = FWDVPACKET; 828 free(ibufreq, M_DEVBUF); 829/* reserve a buffer space */ 830#define NDVCHUNK 8 831 sc->fc->it[sub]->dvproc = NULL; 832 sc->fc->it[sub]->dvdma = NULL; 833 sc->fc->it[sub]->flag |= FWXFERQ_DV; 834 sc->fc->it[sub]->dvbuf 835 = (struct fw_dvbuf *)malloc(sizeof(struct fw_dvbuf) * NDVCHUNK, M_DEVBUF, M_DONTWAIT); 836 STAILQ_INIT(&sc->fc->it[sub]->dvvalid); 837 STAILQ_INIT(&sc->fc->it[sub]->dvfree); 838 for( i = 0 ; i < NDVCHUNK ; i++){ 839 sc->fc->it[sub]->dvbuf[i].buf 840 = malloc(FWDVPMAX * sc->fc->it[sub]->dvpacket, M_DEVBUF, M_DONTWAIT); 841 STAILQ_INSERT_TAIL(&sc->fc->it[sub]->dvfree, 842 &sc->fc->it[sub]->dvbuf[i], link); 843 } 844 break; 845 case FW_SSTBUF: 846 ir = sc->fc->ir[sub]; 847 it = sc->fc->it[sub]; 848 849 if(ir->flag & FWXFERQ_RUNNING || it->flag & FWXFERQ_RUNNING){ 850 return(EBUSY); 851 } 852 if((ir->flag & FWXFERQ_EXTBUF) || (it->flag & FWXFERQ_EXTBUF)){ 853 return(EBUSY); 854 } 855 if((ibufreq->rx.nchunk * 856 ibufreq->rx.psize * ibufreq->rx.npacket) + 857 (ibufreq->tx.nchunk * 858 ibufreq->tx.psize * ibufreq->tx.npacket) <= 0){ 859 return(EINVAL); 860 } 861 if(ibufreq->rx.nchunk > FWSTMAXCHUNK || 862 ibufreq->tx.nchunk > FWSTMAXCHUNK){ 863 return(EINVAL); 864 } 865 ir->bulkxfer 866 = (struct fw_bulkxfer *)malloc(sizeof(struct fw_bulkxfer) * ibufreq->rx.nchunk, M_DEVBUF, M_DONTWAIT); 867 if(ir->bulkxfer == NULL){ 868 return(ENOMEM); 869 } 870 it->bulkxfer 871 = (struct fw_bulkxfer *)malloc(sizeof(struct fw_bulkxfer) * ibufreq->tx.nchunk, M_DEVBUF, M_DONTWAIT); 872 if(it->bulkxfer == NULL){ 873 return(ENOMEM); 874 } 875 ir->buf = malloc( 876 ibufreq->rx.nchunk * ibufreq->rx.npacket 877 * ((ibufreq->rx.psize + 3) &~3), 878 M_DEVBUF, M_DONTWAIT); 879 if(ir->buf == NULL){ 880 free(ir->bulkxfer, M_DEVBUF); 881 free(it->bulkxfer, M_DEVBUF); 882 ir->bulkxfer = NULL; 883 it->bulkxfer = NULL; 884 it->buf = NULL; 885 return(ENOMEM); 886 } 887 it->buf = malloc( 888 ibufreq->tx.nchunk * ibufreq->tx.npacket 889 * ((ibufreq->tx.psize + 3) &~3), 890 M_DEVBUF, M_DONTWAIT); 891 if(it->buf == NULL){ 892 free(ir->bulkxfer, M_DEVBUF); 893 free(it->bulkxfer, M_DEVBUF); 894 free(ir->buf, M_DEVBUF); 895 ir->bulkxfer = NULL; 896 it->bulkxfer = NULL; 897 it->buf = NULL; 898 return(ENOMEM); 899 } 900 901 ir->bnchunk = ibufreq->rx.nchunk; 902 ir->bnpacket = ibufreq->rx.npacket; 903 ir->btpacket = ibufreq->rx.npacket; 904 ir->psize = (ibufreq->rx.psize + 3) & ~3; 905 ir->queued = 0; 906 907 it->bnchunk = ibufreq->tx.nchunk; 908 it->bnpacket = ibufreq->tx.npacket; 909 it->btpacket = ibufreq->tx.npacket; 910 it->psize = (ibufreq->tx.psize + 3) & ~3; 911 ir->queued = 0; 912 it->dvdbc = 0; 913 it->dvdiff = 0; 914 it->dvsync = 0; 915 916 STAILQ_INIT(&ir->stvalid); 917 STAILQ_INIT(&ir->stfree); 918 ir->stdma = NULL; 919 ir->stdma2 = NULL; 920 ir->stproc = NULL; 921 922 STAILQ_INIT(&it->stvalid); 923 STAILQ_INIT(&it->stfree); 924 it->stdma = NULL; 925 it->stdma2 = NULL; 926 it->stproc = NULL; 927 928 for(i = 0 ; i < sc->fc->ir[sub]->bnchunk; i++){ 929 ir->bulkxfer[i].buf = 930 ir->buf + 931 i * sc->fc->ir[sub]->bnpacket * 932 sc->fc->ir[sub]->psize; 933 ir->bulkxfer[i].flag = 0; 934 STAILQ_INSERT_TAIL(&ir->stfree, 935 &ir->bulkxfer[i], link); 936 ir->bulkxfer[i].npacket = ir->bnpacket; 937 } 938 for(i = 0 ; i < sc->fc->it[sub]->bnchunk; i++){ 939 it->bulkxfer[i].buf = 940 it->buf + 941 i * sc->fc->it[sub]->bnpacket * 942 sc->fc->it[sub]->psize; 943 it->bulkxfer[i].flag = 0; 944 STAILQ_INSERT_TAIL(&it->stfree, 945 &it->bulkxfer[i], link); 946 it->bulkxfer[i].npacket = it->bnpacket; 947 } 948 ir->flag &= ~FWXFERQ_MODEMASK; 949 ir->flag |= FWXFERQ_STREAM; 950 ir->flag |= FWXFERQ_EXTBUF; 951 952 it->flag &= ~FWXFERQ_MODEMASK; 953 it->flag |= FWXFERQ_STREAM; 954 it->flag |= FWXFERQ_EXTBUF; 955 err = 0; 956 break; 957 case FW_GSTBUF: 958 ibufreq->rx.nchunk = sc->fc->ir[sub]->bnchunk; 959 ibufreq->rx.npacket = sc->fc->ir[sub]->bnpacket; 960 ibufreq->rx.psize = sc->fc->ir[sub]->psize; 961 962 ibufreq->tx.nchunk = sc->fc->it[sub]->bnchunk; 963 ibufreq->tx.npacket = sc->fc->it[sub]->bnpacket; 964 ibufreq->tx.psize = sc->fc->it[sub]->psize; 965 break; 966 case FW_ASYREQ: 967 xfer = fw_xfer_alloc(); 968 if(xfer == NULL){ 969 err = ENOMEM; 970 return err; 971 } 972 fp = &asyreq->pkt; 973 switch (asyreq->req.type) { 974 case FWASREQNODE: 975 xfer->dst = ntohs(fp->mode.hdr.dst); 976 break; 977 case FWASREQEUI: 978 xfer->dst = fw_noderesolve(sc->fc, asyreq->req.dst.eui); 979 if(xfer->dst == FWNODE_INVAL ){ 980 printf("%s:cannot found node\n", 981 device_get_nameunit(sc->fc->dev)); 982 err = EINVAL; 983 goto error; 984 } 985 fp->mode.hdr.dst = htons(FWLOCALBUS | xfer->dst); 986 break; 987 case FWASRESTL: 988 /* XXX what's this? */ 989 break; 990 case FWASREQSTREAM: 991 /* nothing to do */ 992 break; 993 } 994 xfer->spd = asyreq->req.sped; 995 xfer->send.len = asyreq->req.len; 996 xfer->send.buf = malloc(xfer->send.len, M_DEVBUF, M_NOWAIT); 997 if(xfer->send.buf == NULL){ 998 return ENOMEM; 999 } 1000 xfer->send.off = 0; 1001 bcopy(fp, xfer->send.buf, xfer->send.len); 1002 xfer->act.hand = fw_asy_callback; 1003 err = fw_asyreq(sc->fc, sub, xfer); 1004 if(err){ 1005 fw_xfer_free( xfer); 1006 return err; 1007 } 1008 err = tsleep((caddr_t)xfer, FWPRI, "asyreq", hz); 1009 if(err == 0){ 1010 if(asyreq->req.len >= xfer->recv.len){ 1011 asyreq->req.len = xfer->recv.len; 1012 }else{ 1013 err = EINVAL; 1014 } 1015 bcopy(xfer->recv.buf + xfer->recv.off, fp, asyreq->req.len); 1016 } 1017error: 1018 fw_xfer_free( xfer); 1019 break; 1020 case FW_IBUSRST: 1021 sc->fc->ibr(sc->fc); 1022 break; 1023 case FW_CBINDADDR: 1024 fwb = fw_bindlookup(sc->fc, 1025 bindreq->start.hi, bindreq->start.lo); 1026 if(fwb == NULL){ 1027 err = EINVAL; 1028 break; 1029 } 1030 STAILQ_REMOVE(&sc->fc->binds, fwb, fw_bind, fclist); 1031 STAILQ_REMOVE(&sc->fc->ir[sub]->binds, fwb, fw_bind, chlist); 1032 free(fwb, M_DEVBUF); 1033 break; 1034 case FW_SBINDADDR: 1035 if(bindreq->len <= 0 ){ 1036 err = EINVAL; 1037 break; 1038 } 1039 if(bindreq->start.hi > 0xffff ){ 1040 err = EINVAL; 1041 break; 1042 } 1043 fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_DONTWAIT); 1044 if(fwb == NULL){ 1045 err = ENOMEM; 1046 break; 1047 } 1048 fwb->start_hi = bindreq->start.hi; 1049 fwb->start_lo = bindreq->start.lo; 1050 fwb->addrlen = bindreq->len; 1051 1052 xfer = fw_xfer_alloc(); 1053 if(xfer == NULL){ 1054 err = ENOMEM; 1055 return err; 1056 } 1057 xfer->act_type = FWACT_CH; 1058 xfer->sub = sub; 1059 xfer->fc = sc->fc; 1060 1061 fwb->xfer = xfer; 1062 err = fw_bindadd(sc->fc, fwb); 1063 break; 1064 case FW_GDEVLST: 1065 i = 0; 1066 for(fwdev = TAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 1067 fwdev = TAILQ_NEXT(fwdev, link)){ 1068 if(i < fwdevlst->n){ 1069 fwdevlst->dst[i] = fwdev->dst; 1070 fwdevlst->status[i] = 1071 (fwdev->status == FWDEVATTACHED)?1:0; 1072 fwdevlst->eui[i].hi = fwdev->eui.hi; 1073 fwdevlst->eui[i].lo = fwdev->eui.lo; 1074 } 1075 i++; 1076 } 1077 fwdevlst->n = i; 1078 break; 1079 case FW_GTPMAP: 1080 bcopy(sc->fc->topology_map, data, 1081 (sc->fc->topology_map->crc_len + 1) * 4); 1082 break; 1083 case FW_GSPMAP: 1084 /* speed_map is larger than a page */ 1085 err = copyout(sc->fc->speed_map, *(void **)data, 1086 (sc->fc->speed_map->crc_len + 1) * 4); 1087 break; 1088 case FW_GCROM: 1089 for (fwdev = TAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 1090 fwdev = TAILQ_NEXT(fwdev, link)) { 1091 if (fwdev->eui.hi == crom_buf->eui.hi && 1092 fwdev->eui.lo == crom_buf->eui.lo) 1093 break; 1094 } 1095 if (fwdev == NULL) { 1096 err = FWNODE_INVAL; 1097 break; 1098 } 1099#if 0 1100 if (fwdev->csrrom[0] >> 24 == 1) 1101 len = 4; 1102 else 1103 len = (1 + ((fwdev->csrrom[0] >> 16) & 0xff)) * 4; 1104#else 1105 if (fwdev->rommax < CSRROMOFF) 1106 len = 0; 1107 else 1108 len = fwdev->rommax - CSRROMOFF + 4; 1109#endif 1110 if (crom_buf->len < len) 1111 len = crom_buf->len; 1112 else 1113 crom_buf->len = len; 1114 err = copyout(&fwdev->csrrom[0], crom_buf->ptr, len); 1115 break; 1116 default: 1117 sc->fc->ioctl (dev, cmd, data, flag, td); 1118 break; 1119 } 1120 return err; 1121} 1122int 1123fw_poll(dev_t dev, int events, fw_proc *td) 1124{ 1125 int revents; 1126 int tmp; 1127 int unit = DEV2UNIT(dev); 1128 int sub = DEV2DMACH(dev); 1129 struct firewire_softc *sc; 1130 1131 if (DEV_FWMEM(dev)) 1132 return fwmem_poll(dev, events, td); 1133 1134 sc = devclass_get_softc(firewire_devclass, unit); 1135 revents = 0; 1136 tmp = POLLIN | POLLRDNORM; 1137 if (events & tmp) { 1138 if (STAILQ_FIRST(&sc->fc->ir[sub]->q) != NULL) 1139 revents |= tmp; 1140 else 1141 selrecord(td, &sc->fc->ir[sub]->rsel); 1142 } 1143 tmp = POLLOUT | POLLWRNORM; 1144 if (events & tmp) { 1145 /* XXX should be fixed */ 1146 revents |= tmp; 1147 } 1148 1149 return revents; 1150} 1151 1152/* 1153 * To lookup node id. from EUI64. 1154 */ 1155u_int16_t fw_noderesolve(struct firewire_comm *fc, struct fw_eui64 eui) 1156{ 1157 struct fw_device *fwdev; 1158 for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1159 fwdev = TAILQ_NEXT(fwdev, link)){ 1160 if(fwdev->eui.hi == eui.hi && fwdev->eui.lo == eui.lo){ 1161 break; 1162 } 1163 } 1164 if(fwdev == NULL) return FWNODE_INVAL; 1165 if(fwdev->status != FWDEVATTACHED) return FWNODE_INVAL; 1166 return fwdev->dst; 1167} 1168/* 1169 * Async. request procedure for userland application. 1170 */ 1171int 1172fw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 1173{ 1174 int err = 0; 1175 struct fw_xferq *xferq; 1176 int tl = 0, len; 1177 struct fw_pkt *fp; 1178 int tcode; 1179 struct tcode_info *info; 1180 1181 if(xfer == NULL) return EINVAL; 1182 if(xfer->send.len > fc->maxrec){ 1183 printf("send.len > maxrec\n"); 1184 return EINVAL; 1185 } 1186 if(xfer->act.hand == NULL){ 1187 printf("act.hand == NULL\n"); 1188 return EINVAL; 1189 } 1190 fp = (struct fw_pkt *)xfer->send.buf; 1191 1192#if 0 1193 switch(fp->mode.common.tcode){ 1194 case FWTCODE_STREAM: 1195 len = ntohs(fp->mode.stream.len) + 4; 1196 break; 1197 case FWTCODE_RREQQ: 1198 case FWTCODE_WRES: 1199 case FWTCODE_PHY: 1200 len = 12; 1201 break; 1202 case FWTCODE_WREQQ: 1203 case FWTCODE_RRESQ: 1204 len = 16; 1205 break; 1206 default: 1207 len = ntohs(fp->mode.rresb.len) + 16; 1208 break; 1209 } 1210 if( len > xfer->send.len ){ 1211 printf("len > send.len\n"); 1212 return EINVAL; 1213 } 1214 switch(fp->mode.common.tcode){ 1215 case FWTCODE_WREQQ: 1216 case FWTCODE_WREQB: 1217 case FWTCODE_RREQQ: 1218 case FWTCODE_RREQB: 1219 case FWTCODE_LREQ: 1220 case FWTCODE_PHY: 1221 case FWTCODE_STREAM: 1222 xferq = fc->atq; 1223 break; 1224 case FWTCODE_WRES: 1225 case FWTCODE_RRESQ: 1226 case FWTCODE_RRESB: 1227 case FWTCODE_LRES: 1228 xferq = fc->ats; 1229 break; 1230 default: 1231 return EINVAL; 1232 } 1233#else 1234 tcode = fp->mode.common.tcode & 0xf; 1235 info = &fc->tcode[tcode]; 1236 if (info->flag == 0) { 1237 printf("invalid tcode=%d\n", tcode); 1238 return EINVAL; 1239 } 1240 if (info->flag & FWTI_REQ) 1241 xferq = fc->atq; 1242 else 1243 xferq = fc->ats; 1244 len = info->hdr_len; 1245 if (info->flag & FWTI_BLOCK_STR) 1246 len += ntohs(fp->mode.stream.len); 1247 else if (info->flag & FWTI_BLOCK_ASY) 1248 len += ntohs(fp->mode.rresb.len); 1249 if( len > xfer->send.len ){ 1250 printf("len(%d) > send.len(%d) (tcode=%d)\n", 1251 len, xfer->send.len, tcode); 1252 return EINVAL; 1253 } 1254 xfer->send.len = len; 1255#endif 1256 if(xferq->start == NULL){ 1257 printf("xferq->start == NULL\n"); 1258 return EINVAL; 1259 } 1260 if(!(xferq->queued < xferq->maxq)){ 1261 printf("%s:Discard a packet (queued=%d)\n", 1262 device_get_nameunit(fc->dev), xferq->queued); 1263 return EINVAL; 1264 } 1265 1266 1267#if 0 1268 switch(tcode){ 1269 case FWTCODE_WREQQ: 1270 case FWTCODE_WREQB: 1271 case FWTCODE_RREQQ: 1272 case FWTCODE_RREQB: 1273 case FWTCODE_LREQ: 1274 if((tl = fw_get_tlabel(fc, xfer)) == -1 ){ 1275 return EIO; 1276 } 1277 fp->mode.hdr.tlrt = tl << 2; 1278 break; 1279 default: 1280 break; 1281 } 1282#else 1283 if (info->flag & FWTI_TLABEL) { 1284 if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 1285 return EIO; 1286 fp->mode.hdr.tlrt = tl << 2; 1287 } 1288#endif 1289 1290 xfer->tl = tl; 1291 xfer->tcode = tcode; 1292 xfer->resp = 0; 1293 xfer->fc = fc; 1294 xfer->q = xferq; 1295 xfer->act_type = FWACT_XFER; 1296 xfer->retry_req = fw_asybusy; 1297 1298 fw_asystart(xfer); 1299 return err; 1300} 1301/* 1302 * Wakeup blocked process. 1303 */ 1304void 1305fw_asy_callback(struct fw_xfer *xfer){ 1306 wakeup(xfer); 1307 return; 1308} 1309/* 1310 * Postpone to later retry. 1311 */ 1312void fw_asybusy(struct fw_xfer *xfer){ 1313#if 0 1314 printf("fw_asybusy\n"); 1315#endif 1316#if XFER_TIMEOUT 1317 untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 1318#endif 1319/* 1320 xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 1321*/ 1322 DELAY(20000); 1323 fw_asystart(xfer); 1324 return; 1325} 1326#if XFER_TIMEOUT 1327/* 1328 * Post timeout for async. request. 1329 */ 1330void 1331fw_xfer_timeout(void *arg) 1332{ 1333 int s; 1334 struct fw_xfer *xfer; 1335 1336 xfer = (struct fw_xfer *)arg; 1337 printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 1338 /* XXX set error code */ 1339 s = splfw(); 1340 xfer->act.hand(xfer); 1341 splx(s); 1342} 1343#endif 1344/* 1345 * Async. request with given xfer structure. 1346 */ 1347static void fw_asystart(struct fw_xfer *xfer){ 1348 struct firewire_comm *fc = xfer->fc; 1349 int s; 1350 if(xfer->retry++ >= fc->max_asyretry){ 1351 xfer->resp = EBUSY; 1352 xfer->state = FWXF_BUSY; 1353 xfer->act.hand(xfer); 1354 return; 1355 } 1356#if 0 /* XXX allow bus explore packets only after bus rest */ 1357 if (fc->status < FWBUSEXPLORE) { 1358 xfer->resp = EAGAIN; 1359 xfer->state = FWXF_BUSY; 1360 if (xfer->act.hand != NULL) 1361 xfer->act.hand(xfer); 1362 return; 1363 } 1364#endif 1365 s = splfw(); 1366 xfer->state = FWXF_INQ; 1367 STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 1368 xfer->q->queued ++; 1369 splx(s); 1370 /* XXX just queue for mbuf */ 1371 if (xfer->mbuf == NULL) 1372 xfer->q->start(fc); 1373#if XFER_TIMEOUT 1374 if (xfer->act.hand != NULL) 1375 xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 1376#endif 1377 return; 1378} 1379static int 1380fw_mmap (dev_t dev, vm_offset_t offset, int nproto) 1381{ 1382 struct firewire_softc *fc; 1383 int unit = DEV2UNIT(dev); 1384 1385 if (DEV_FWMEM(dev)) 1386 return fwmem_mmap(dev, offset, nproto); 1387 1388 fc = devclass_get_softc(firewire_devclass, unit); 1389 1390 return EINVAL; 1391} 1392static int 1393firewire_match( device_t dev ) 1394{ 1395 device_set_desc(dev, "IEEE1394(Firewire) bus"); 1396 return -140; 1397} 1398/* 1399 * The attach routine. 1400 */ 1401static int 1402firewire_attach( device_t dev ) 1403{ 1404 int i, unitmask, mn; 1405 struct firewire_softc *sc = device_get_softc(dev); 1406 device_t pa = device_get_parent(dev); 1407 struct firewire_comm *fc; 1408 dev_t d; 1409 1410 fc = (struct firewire_comm *)device_get_softc(pa); 1411 sc->fc = fc; 1412 sc->fc->dev = dev; 1413 1414 unitmask = UNIT2MIN(device_get_unit(dev)); 1415 1416 if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 1417 for ( i = 0 ; i < fc->nisodma ; i++ ){ 1418 mn = unitmask | i; 1419 /* XXX device name should be improved */ 1420 d = make_dev(&firewire_cdevsw, unit2minor(mn), 1421 UID_ROOT, GID_OPERATOR, 0770, 1422 "fw%x", mn); 1423#if __FreeBSD_version >= 500000 1424 if (i == 0) 1425 sc->dev = d; 1426 else 1427 dev_depends(sc->dev, d); 1428#else 1429 sc->dev[i] = d; 1430#endif 1431 } 1432 d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 1433 UID_ROOT, GID_OPERATOR, 0770, 1434 "fwmem%d", device_get_unit(dev)); 1435#if __FreeBSD_version >= 500000 1436 dev_depends(sc->dev, d); 1437#else 1438 sc->dev[i] = d; 1439#endif 1440 printf("%s: firewire bus attach\n", device_get_nameunit(sc->fc->dev)); 1441 sc->fc->timeouthandle = timeout((timeout_t *)sc->fc->timeout, (void *)sc->fc, hz * 10); 1442 1443 /* Locate our children */ 1444 bus_generic_probe(dev); 1445 1446 /* launch attachement of the added children */ 1447 bus_generic_attach(dev); 1448 1449 /* bus_reset */ 1450 fc->ibr(fc); 1451 1452 return 0; 1453} 1454 1455/* 1456 * Attach it as child. 1457 */ 1458static device_t 1459firewire_add_child(device_t dev, int order, const char *name, int unit) 1460{ 1461 device_t child; 1462 struct firewire_softc *sc; 1463 1464 sc = (struct firewire_softc *)device_get_softc(dev); 1465 child = device_add_child(dev, name, unit); 1466 if (child) { 1467 device_set_ivars(child, sc->fc); 1468 device_probe_and_attach(child); 1469 } 1470 1471 return child; 1472} 1473/* 1474 * Dettach it. 1475 */ 1476static int 1477firewire_detach( device_t dev ) 1478{ 1479 struct firewire_softc *sc; 1480 1481 sc = (struct firewire_softc *)device_get_softc(dev); 1482#if 0 1483 printf("%s:dettach prevented", device_get_nameunit(dev)); 1484 return(EINVAL); 1485#endif 1486#if __FreeBSD_version >= 500000 1487 destroy_dev(sc->dev); 1488#else 1489 { 1490 int j; 1491 for (j = 0 ; j < sc->fc->nisodma + 1; j++) 1492 destroy_dev(sc->dev[j]); 1493 } 1494#endif 1495 /* XXX xfree_free and untimeout on all xfers */ 1496 untimeout((timeout_t *)sc->fc->timeout, sc->fc, sc->fc->timeouthandle); 1497 free(sc->fc->topology_map, M_DEVBUF); 1498 free(sc->fc->speed_map, M_DEVBUF); 1499 bus_generic_detach(dev); 1500 return(0); 1501} 1502#if 0 1503static int 1504firewire_shutdown( device_t dev ) 1505{ 1506 return 0; 1507} 1508#endif 1509/* 1510 * Call ater bus reset. 1511 */ 1512void fw_busreset(struct firewire_comm *fc) 1513{ 1514 int i; 1515 struct fw_xfer *xfer; 1516 1517 switch(fc->status){ 1518 case FWBUSMGRELECT: 1519 untimeout((timeout_t *)fw_try_bmr, (void *)fc, fc->bmrhandle); 1520 break; 1521 default: 1522 break; 1523 } 1524 fc->status = FWBUSRESET; 1525/* XXX: discard all queued packet */ 1526 while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 1527 STAILQ_REMOVE_HEAD(&fc->atq->q, link); 1528 xfer->resp = EAGAIN; 1529 switch(xfer->act_type){ 1530 case FWACT_XFER: 1531 fw_xfer_done(xfer); 1532 break; 1533 default: 1534 break; 1535 } 1536 fw_xfer_free( xfer); 1537 } 1538 while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 1539 STAILQ_REMOVE_HEAD(&fc->ats->q, link); 1540 xfer->resp = EAGAIN; 1541 switch(xfer->act_type){ 1542 case FWACT_XFER: 1543 fw_xfer_done(xfer); 1544 default: 1545 break; 1546 } 1547 fw_xfer_free( xfer); 1548 } 1549 for(i = 0; i < fc->nisodma; i++) 1550 while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 1551 STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 1552 xfer->resp = 0; 1553 switch(xfer->act_type){ 1554 case FWACT_XFER: 1555 fw_xfer_done(xfer); 1556 break; 1557 default: 1558 break; 1559 } 1560 fw_xfer_free( xfer); 1561 } 1562 1563 CSRARC(fc, STATE_CLEAR) 1564 = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 1565 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 1566 CSRARC(fc, NODE_IDS) = 0x3f; 1567 1568 CSRARC(fc, TOPO_MAP + 8) = 0; 1569 fc->irm = -1; 1570 1571 fc->max_node = -1; 1572 1573 for(i = 2; i < 0x100/4 - 2 ; i++){ 1574 CSRARC(fc, SPED_MAP + i * 4) = 0; 1575 } 1576 CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 1577 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 1578 CSRARC(fc, RESET_START) = 0; 1579 CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 1580 CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 1581 CSRARC(fc, CYCLE_TIME) = 0x0; 1582 CSRARC(fc, BUS_TIME) = 0x0; 1583 CSRARC(fc, BUS_MGR_ID) = 0x3f; 1584 CSRARC(fc, BANDWIDTH_AV) = 4915; 1585 CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 1586 CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 1587 CSRARC(fc, IP_CHANNELS) = (1 << 31); 1588 1589 CSRARC(fc, CONF_ROM) = 0x04 << 24; 1590 CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 1591 CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 1592 1 << 28 | 0xff << 16 | 0x09 << 8; 1593 CSRARC(fc, CONF_ROM + 0xc) = 0; 1594 1595/* DV depend CSRs see blue book */ 1596 CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 1597 CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 1598 1599 CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 1600 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 1601} 1602/* Call once after reboot */ 1603void fw_init(fc) 1604 struct firewire_comm *fc; 1605{ 1606 int i; 1607 struct fw_xfer *xfer; 1608 struct fw_bind *fwb; 1609 struct csrdir *csrd; 1610 1611 fc->max_asyretry = FW_MAXASYRTY; 1612 1613 fc->arq->queued = 0; 1614 fc->ars->queued = 0; 1615 fc->atq->queued = 0; 1616 fc->ats->queued = 0; 1617 1618 fc->arq->psize = FWPMAX_S400; 1619 fc->ars->psize = FWPMAX_S400; 1620 fc->atq->psize = FWPMAX_S400; 1621 fc->ats->psize = FWPMAX_S400; 1622 1623 1624 fc->arq->buf = NULL; 1625 fc->ars->buf = NULL; 1626 fc->atq->buf = NULL; 1627 fc->ats->buf = NULL; 1628 1629 fc->arq->flag = FWXFERQ_PACKET; 1630 fc->ars->flag = FWXFERQ_PACKET; 1631 fc->atq->flag = FWXFERQ_PACKET; 1632 fc->ats->flag = FWXFERQ_PACKET; 1633 1634 STAILQ_INIT(&fc->atq->q); 1635 STAILQ_INIT(&fc->ats->q); 1636 1637 for( i = 0 ; i < fc->nisodma ; i ++ ){ 1638 fc->it[i]->queued = 0; 1639 fc->ir[i]->queued = 0; 1640 1641 fc->it[i]->start = NULL; 1642 fc->ir[i]->start = NULL; 1643 1644 fc->it[i]->buf = NULL; 1645 fc->ir[i]->buf = NULL; 1646 1647 fc->it[i]->flag = FWXFERQ_STREAM; 1648 fc->ir[i]->flag = FWXFERQ_STREAM; 1649 1650 STAILQ_INIT(&fc->it[i]->q); 1651 STAILQ_INIT(&fc->ir[i]->q); 1652 1653 STAILQ_INIT(&fc->it[i]->binds); 1654 STAILQ_INIT(&fc->ir[i]->binds); 1655 } 1656 1657 fc->arq->maxq = FWMAXQUEUE; 1658 fc->ars->maxq = FWMAXQUEUE; 1659 fc->atq->maxq = FWMAXQUEUE; 1660 fc->ats->maxq = FWMAXQUEUE; 1661 1662 for( i = 0 ; i < fc->nisodma ; i++){ 1663 fc->ir[i]->maxq = FWMAXQUEUE; 1664 fc->it[i]->maxq = FWMAXQUEUE; 1665 } 1666/* Initialize csr registers */ 1667 fc->topology_map = (struct fw_topology_map *)malloc( 1668 sizeof(struct fw_topology_map), 1669 M_DEVBUF, M_DONTWAIT | M_ZERO); 1670 fc->speed_map = (struct fw_speed_map *)malloc( 1671 sizeof(struct fw_speed_map), 1672 M_DEVBUF, M_DONTWAIT | M_ZERO); 1673 CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 1674 CSRARC(fc, TOPO_MAP + 4) = 1; 1675 CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 1676 CSRARC(fc, SPED_MAP + 4) = 1; 1677 1678 TAILQ_INIT(&fc->devices); 1679 STAILQ_INIT(&fc->pending); 1680 1681/* Initialize csr ROM work space */ 1682 SLIST_INIT(&fc->ongocsr); 1683 SLIST_INIT(&fc->csrfree); 1684 for( i = 0 ; i < FWMAXCSRDIR ; i++){ 1685 csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_DEVBUF,M_DONTWAIT); 1686 if(csrd == NULL) break; 1687 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1688 } 1689 1690/* Initialize Async handlers */ 1691 STAILQ_INIT(&fc->binds); 1692 for( i = 0 ; i < 0x40 ; i++){ 1693 STAILQ_INIT(&fc->tlabels[i]); 1694 } 1695 1696/* DV depend CSRs see blue book */ 1697#if 0 1698 CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 1699 CSRARC(fc, oPCR) = 0x8000007a; 1700 for(i = 4 ; i < 0x7c/4 ; i+=4){ 1701 CSRARC(fc, i + oPCR) = 0x8000007a; 1702 } 1703 1704 CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 1705 CSRARC(fc, iPCR) = 0x803f0000; 1706 for(i = 4 ; i < 0x7c/4 ; i+=4){ 1707 CSRARC(fc, i + iPCR) = 0x0; 1708 } 1709#endif 1710 1711 1712 xfer = fw_xfer_alloc(); 1713 if(xfer == NULL) return; 1714 1715 fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_DONTWAIT); 1716 if(fwb == NULL){ 1717 fw_xfer_free(xfer); 1718 } 1719 xfer->act.hand = fw_vmaccess; 1720 xfer->act_type = FWACT_XFER; 1721 xfer->fc = fc; 1722 xfer->sc = NULL; 1723 1724 fwb->start_hi = 0x2; 1725 fwb->start_lo = 0; 1726 fwb->addrlen = 0xffffffff; 1727 fwb->xfer = xfer; 1728 fw_bindadd(fc, fwb); 1729} 1730/* 1731 * To lookup binded process from IEEE1394 address. 1732 */ 1733static struct fw_bind * 1734fw_bindlookup(fc, dest_hi, dest_lo) 1735struct firewire_comm *fc; 1736u_int32_t dest_lo, dest_hi; 1737{ 1738 struct fw_bind *tfw; 1739 for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 1740 tfw = STAILQ_NEXT(tfw, fclist)){ 1741 if(tfw->xfer->act_type != FWACT_NULL && 1742 tfw->start_hi == dest_hi && 1743 tfw->start_lo <= dest_lo && 1744 (tfw->start_lo + tfw->addrlen) > dest_lo){ 1745 return(tfw); 1746 } 1747 } 1748 return(NULL); 1749} 1750/* 1751 * To bind IEEE1394 address block to process. 1752 */ 1753int fw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 1754{ 1755 struct fw_bind *tfw, *tfw2 = NULL; 1756 int err = 0; 1757 tfw = STAILQ_FIRST(&fc->binds); 1758 if(tfw == NULL){ 1759 STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 1760 goto out; 1761 } 1762 if((tfw->start_hi > fwb->start_hi) || 1763 (tfw->start_hi == fwb->start_hi && 1764 (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 1765 STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 1766 goto out; 1767 } 1768 for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 1769 if((tfw->start_hi < fwb->start_hi) || 1770 (tfw->start_hi == fwb->start_hi && 1771 (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 1772 tfw2 = STAILQ_NEXT(tfw, fclist); 1773 if(tfw2 == NULL) 1774 break; 1775 if((tfw2->start_hi > fwb->start_hi) || 1776 (tfw2->start_hi == fwb->start_hi && 1777 tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 1778 break; 1779 }else{ 1780 err = EBUSY; 1781 goto out; 1782 } 1783 } 1784 } 1785 if(tfw != NULL){ 1786 STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 1787 }else{ 1788 STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 1789 } 1790out: 1791 if(!err && fwb->xfer->act_type == FWACT_CH){ 1792 STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 1793 } 1794 return err; 1795} 1796 1797/* 1798 * To free IEEE1394 address block. 1799 */ 1800int fw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 1801{ 1802 int s; 1803 1804 s = splfw(); 1805 /* shall we check the existance? */ 1806 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 1807 splx(s); 1808 if (fwb->xfer) 1809 fw_xfer_free(fwb->xfer); 1810 1811 return 0; 1812} 1813 1814/* 1815 * To free transaction label. 1816 */ 1817static void fw_tl_free ( struct firewire_comm *fc, struct fw_xfer *xfer ) 1818{ 1819 struct tlabel *tl; 1820 int s = splfw(); 1821 1822 for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 1823 tl = STAILQ_NEXT(tl, link)){ 1824 if(tl->xfer == xfer){ 1825 STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 1826 free(tl, M_DEVBUF); 1827 splx(s); 1828 return; 1829 } 1830 } 1831 splx(s); 1832 return; 1833} 1834/* 1835 * To obtain XFER structure by transaction label. 1836 */ 1837static struct fw_xfer *fw_tl2xfer ( struct firewire_comm *fc, int node, int tlabel ) 1838{ 1839 struct fw_xfer *xfer; 1840 struct tlabel *tl; 1841 int s = splfw(); 1842 1843 for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 1844 tl = STAILQ_NEXT(tl, link)){ 1845 if(tl->xfer->dst == node){ 1846 xfer = tl->xfer; 1847#if 0 1848 STAILQ_REMOVE(&fc->tlabels[tlabel], tl, tlabel, link); 1849 free(tl, M_DEVBUF); 1850#endif 1851 splx(s); 1852 return(xfer); 1853 } 1854 } 1855 splx(s); 1856 return(NULL); 1857} 1858/* 1859 * To allocate IEEE1394 XFER structure. 1860 */ 1861struct fw_xfer *fw_xfer_alloc() 1862{ 1863 struct fw_xfer *xfer; 1864#if 0 1865 xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_DONTWAIT); 1866#else 1867 xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_DONTWAIT | M_ZERO); 1868#endif 1869 if(xfer == NULL) return xfer; 1870#if 0 /* xfer->tl = 0 was missing.. */ 1871 xfer->act_type = FWACT_NULL; 1872 xfer->fc = NULL; 1873 xfer->retry = 0; 1874 xfer->resp = 0; 1875 xfer->state = FWXF_INIT; 1876 xfer->time = time_second; 1877 xfer->sub = -1; 1878 xfer->send.buf = NULL; 1879 xfer->send.off = 0; 1880 xfer->send.len = 0; 1881 xfer->recv.buf = NULL; 1882 xfer->recv.off = 0; 1883 xfer->recv.len = 0; 1884 xfer->retry_req = NULL; 1885 xfer->act.hand = NULL; 1886 xfer->sc = NULL; 1887#else 1888 xfer->time = time_second; 1889 xfer->sub = -1; 1890#endif 1891 return xfer; 1892} 1893/* 1894 * IEEE1394 XFER post process. 1895 */ 1896void 1897fw_xfer_done(struct fw_xfer *xfer) 1898{ 1899 if (xfer->act.hand == NULL) 1900 return; 1901 1902#if XFER_TIMEOUT 1903 untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 1904#endif 1905 1906 if (xfer->fc->status != FWBUSRESET) 1907 xfer->act.hand(xfer); 1908 else { 1909 printf("fw_xfer_done: pending\n"); 1910 if (xfer->fc != NULL) 1911 STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 1912 else 1913 panic("fw_xfer_done: why xfer->fc is NULL?"); 1914 } 1915} 1916 1917/* 1918 * To free IEEE1394 XFER structure. 1919 */ 1920void fw_xfer_free( struct fw_xfer* xfer) 1921{ 1922 int s; 1923 if(xfer == NULL ) return; 1924 if(xfer->state == FWXF_INQ){ 1925 printf("fw_xfer_free FWXF_INQ\n"); 1926 s = splfw(); 1927 STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1928 xfer->q->queued --; 1929 splx(s); 1930 } 1931 if(xfer->fc != NULL){ 1932 if(xfer->state == FWXF_START){ 1933#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 1934 printf("fw_xfer_free FWXF_START\n"); 1935#endif 1936 s = splfw(); 1937 xfer->q->drain(xfer->fc, xfer); 1938 splx(s); 1939 } 1940 } 1941 if(xfer->send.buf != NULL){ 1942 free(xfer->send.buf, M_DEVBUF); 1943 } 1944 if(xfer->recv.buf != NULL){ 1945 free(xfer->recv.buf, M_DEVBUF); 1946 } 1947 if(xfer->fc != NULL){ 1948 fw_tl_free(xfer->fc, xfer); 1949 } 1950 free(xfer, M_DEVBUF); 1951} 1952 1953/* 1954 * Callback for PHY configuration. 1955 */ 1956static void 1957fw_phy_config_callback(struct fw_xfer *xfer) 1958{ 1959#if 0 1960 printf("phy_config done state=%d resp=%d\n", 1961 xfer->state, xfer->resp); 1962#endif 1963 fw_xfer_free(xfer); 1964 /* XXX need bus reset ?? */ 1965 /* sc->fc->ibr(xfer->fc); LOOP */ 1966} 1967 1968/* 1969 * To configure PHY. 1970 */ 1971static void 1972fw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1973{ 1974 struct fw_xfer *xfer; 1975 struct fw_pkt *fp; 1976 1977 fc->status = FWBUSPHYCONF; 1978 1979 DELAY(100000); 1980 xfer = fw_xfer_alloc(); 1981 xfer->send.len = 12; 1982 xfer->send.off = 0; 1983 xfer->fc = fc; 1984 xfer->retry_req = fw_asybusy; 1985 xfer->act.hand = fw_phy_config_callback; 1986 1987 xfer->send.buf = malloc(sizeof(u_int32_t), 1988 M_DEVBUF, M_DONTWAIT | M_ZERO); 1989 fp = (struct fw_pkt *)xfer->send.buf; 1990 fp->mode.ld[1] = 0; 1991 if (root_node >= 0) 1992 fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 1993 if (gap_count >= 0) 1994 fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 1995 fp->mode.ld[2] = ~fp->mode.ld[1]; 1996/* XXX Dangerous, how to pass PHY packet to device driver */ 1997 fp->mode.common.tcode |= FWTCODE_PHY; 1998 1999 printf("send phy_config root_node=%d gap_count=%d\n", 2000 root_node, gap_count); 2001 fw_asyreq(fc, -1, xfer); 2002} 2003 2004#if 0 2005/* 2006 * Dump self ID. 2007 */ 2008static void 2009fw_print_sid(u_int32_t sid) 2010{ 2011#if 0 2012 printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 2013 " p0:%d p1:%d p2:%d i:%d m:%d\n", 2014 FWPHYSIDNODE(sid), FWPHYSIDLINK(sid), FWPHYSIDGAP(sid), 2015 FWPHYSIDSPD(sid), FWPHYSIDDEL(sid), FWPHYSIDCON(sid), 2016 FWPHYSIDPWR(sid), FWPHYSIDP0(sid), FWPHYSIDP1(sid), 2017 FWPHYSIDP2(sid), FWPHYSIDIR(sid), FWPHYSIDMORE(sid)); 2018#else 2019 union fw_self_id *s; 2020 s = (union fw_self_id *) &sid; 2021 printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 2022 " p0:%d p1:%d p2:%d i:%d m:%d\n", 2023 s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 2024 s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 2025 s->p0.power_class, s->p0.port0, s->p0.port1, 2026 s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 2027#endif 2028} 2029#endif 2030 2031/* 2032 * To receive self ID. 2033 */ 2034void fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 2035{ 2036 u_int32_t *p, *sid = (u_int32_t *)(buf + off); 2037 union fw_self_id *self_id; 2038 u_int i, j, node, c_port = 0, i_branch = 0; 2039 2040 fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 2041 fc->status = FWBUSINIT; 2042 fc->max_node = fc->nodeid & 0x3f; 2043 CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 2044 fc->status = FWBUSCYMELECT; 2045 fc->topology_map->crc_len = 2; 2046 fc->topology_map->generation ++; 2047 fc->topology_map->self_id_count = 0; 2048 fc->topology_map->node_count = 0; 2049 fc->speed_map->generation ++; 2050 fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 2051 self_id = &fc->topology_map->self_id[0]; 2052 for(i = 0; i < fc->sid_cnt; i ++){ 2053 if (sid[1] != ~sid[0]) { 2054 printf("fw_sidrcv: invalid self-id packet\n"); 2055 sid += 2; 2056 continue; 2057 } 2058 *self_id = *((union fw_self_id *)sid); 2059 fc->topology_map->crc_len++; 2060 if(self_id->p0.sequel == 0){ 2061 fc->topology_map->node_count ++; 2062 c_port = 0; 2063#if 0 2064 fw_print_sid(sid[0]); 2065#endif 2066 node = self_id->p0.phy_id; 2067 if(fc->max_node < node){ 2068 fc->max_node = self_id->p0.phy_id; 2069 } 2070 /* XXX I'm not sure this is the right speed_map */ 2071 fc->speed_map->speed[node][node] 2072 = self_id->p0.phy_speed; 2073 for (j = 0; j < node; j ++) { 2074 fc->speed_map->speed[j][node] 2075 = fc->speed_map->speed[node][j] 2076 = min(fc->speed_map->speed[j][j], 2077 self_id->p0.phy_speed); 2078 } 2079 if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 2080 (self_id->p0.link_active && self_id->p0.contender)) { 2081 fc->irm = self_id->p0.phy_id; 2082 } 2083 if(self_id->p0.port0 >= 0x2){ 2084 c_port++; 2085 } 2086 if(self_id->p0.port1 >= 0x2){ 2087 c_port++; 2088 } 2089 if(self_id->p0.port2 >= 0x2){ 2090 c_port++; 2091 } 2092 } 2093 if(c_port > 2){ 2094 i_branch += (c_port - 2); 2095 } 2096 sid += 2; 2097 self_id++; 2098 fc->topology_map->self_id_count ++; 2099 } 2100 printf("%s: %d nodes", device_get_nameunit(fc->dev), fc->max_node + 1); 2101 /* CRC */ 2102 fc->topology_map->crc = fw_crc16( 2103 (u_int32_t *)&fc->topology_map->generation, 2104 fc->topology_map->crc_len * 4); 2105 fc->speed_map->crc = fw_crc16( 2106 (u_int32_t *)&fc->speed_map->generation, 2107 fc->speed_map->crc_len * 4); 2108 /* byteswap and copy to CSR */ 2109 p = (u_int32_t *)fc->topology_map; 2110 for (i = 0; i <= fc->topology_map->crc_len; i++) 2111 CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 2112 p = (u_int32_t *)fc->speed_map; 2113 CSRARC(fc, SPED_MAP) = htonl(*p++); 2114 CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 2115 /* don't byte-swap u_int8_t array */ 2116 bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 2117 2118 fc->max_hop = fc->max_node - i_branch; 2119#if 1 2120 printf(", maxhop <= %d", fc->max_hop); 2121#endif 2122 2123 if(fc->irm == -1 ){ 2124 printf(", Not found IRM capable node"); 2125 }else{ 2126 printf(", cable IRM = %d", fc->irm); 2127 if (fc->irm == fc->nodeid) 2128 printf(" (me)\n"); 2129 else 2130 printf("\n"); 2131 } 2132 2133 if((fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f) ){ 2134 if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 2135 fc->status = FWBUSMGRDONE; 2136 CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 2137 }else{ 2138 fc->status = FWBUSMGRELECT; 2139 fc->bmrhandle = timeout((timeout_t *)fw_try_bmr,(void *)fc, hz / 8); 2140 } 2141 }else{ 2142 fc->status = FWBUSMGRDONE; 2143 printf("%s: BMR = %x\n", device_get_nameunit(fc->dev), CSRARC(fc, BUS_MGR_ID)); 2144 } 2145 free(buf, M_DEVBUF); 2146#if 1 2147 /* XXX optimize gap_count, if I am BMGR */ 2148 if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 2149 fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 2150 } 2151#endif 2152#if 1 2153 timeout((timeout_t *)fw_bus_probe, (void *)fc, hz/4); 2154#else 2155 fw_bus_probe(fc); 2156#endif 2157} 2158/* 2159 * To probe devices on the IEEE1394 bus. 2160 */ 2161static void fw_bus_probe(struct firewire_comm *fc) 2162{ 2163 int s; 2164 struct fw_device *fwdev, *next; 2165 2166 s = splfw(); 2167 fc->status = FWBUSEXPLORE; 2168 fc->retry_count = 0; 2169 2170/* 2171 * Invalidate all devices, just after bus reset. Devices 2172 * to be removed has not been seen longer time. 2173 */ 2174 for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 2175 next = TAILQ_NEXT(fwdev, link); 2176 if(fwdev->status != FWDEVINVAL){ 2177 fwdev->status = FWDEVINVAL; 2178 fwdev->rcnt = 0; 2179 }else if(fwdev->rcnt < FW_MAXDEVRCNT){ 2180 fwdev->rcnt ++; 2181 }else{ 2182 TAILQ_REMOVE(&fc->devices, fwdev, link); 2183 free(fwdev, M_DEVBUF); 2184 } 2185 } 2186 fc->ongonode = 0; 2187 fc->ongoaddr = CSRROMOFF; 2188 fc->ongodev = NULL; 2189 fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 2190 fw_bus_explore(fc); 2191 splx(s); 2192} 2193/* 2194 * To collect device informations on the IEEE1394 bus. 2195 */ 2196static void fw_bus_explore(struct firewire_comm *fc ) 2197{ 2198 int err = 0; 2199 struct fw_device *fwdev, *tfwdev; 2200 u_int32_t addr; 2201 struct fw_xfer *xfer; 2202 struct fw_pkt *fp; 2203 2204 if(fc->status != FWBUSEXPLORE) 2205 return; 2206 2207loop: 2208 if(fc->ongonode == fc->nodeid) fc->ongonode++; 2209 2210 if(fc->ongonode > fc->max_node) goto done; 2211 if(fc->ongonode >= 0x3f) goto done; 2212 2213 /* check link */ 2214 /* XXX we need to check phy_id first */ 2215 if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 2216 printf("fw_bus_explore: node %d link down\n", fc->ongonode); 2217 fc->ongonode++; 2218 goto loop; 2219 } 2220 2221 if(fc->ongoaddr <= CSRROMOFF && 2222 fc->ongoeui.hi == 0xffffffff && 2223 fc->ongoeui.lo == 0xffffffff ){ 2224 fc->ongoaddr = CSRROMOFF; 2225 addr = 0xf0000000 | fc->ongoaddr; 2226 }else if(fc->ongoeui.hi == 0xffffffff ){ 2227 fc->ongoaddr = CSRROMOFF + 0xc; 2228 addr = 0xf0000000 | fc->ongoaddr; 2229 }else if(fc->ongoeui.lo == 0xffffffff ){ 2230 fc->ongoaddr = CSRROMOFF + 0x10; 2231 addr = 0xf0000000 | fc->ongoaddr; 2232 }else if(fc->ongodev == NULL){ 2233 for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 2234 fwdev = TAILQ_NEXT(fwdev, link)){ 2235 if(fwdev->eui.hi == fc->ongoeui.hi && fwdev->eui.lo == fc->ongoeui.lo){ 2236 break; 2237 } 2238 } 2239 if(fwdev != NULL){ 2240 fwdev->dst = fc->ongonode; 2241 fwdev->status = FWDEVATTACHED; 2242 fc->ongonode++; 2243 fc->ongoaddr = CSRROMOFF; 2244 fc->ongodev = NULL; 2245 fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 2246 goto loop; 2247 } 2248 fwdev = malloc(sizeof(struct fw_device), M_DEVBUF, M_DONTWAIT); 2249 if(fwdev == NULL) 2250 return; 2251 fwdev->rommax = 0; 2252 fwdev->dst = fc->ongonode; 2253 fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 2254 fwdev->status = FWDEVINIT; 2255#if 0 2256 fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 2257 >> ((3 - (fc->ongonode % 4)) * 8); 2258#else 2259 fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 2260#endif 2261 2262#if 0 2263 TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 2264#else 2265 tfwdev = TAILQ_FIRST(&fc->devices); 2266 while( tfwdev != NULL && 2267 (tfwdev->eui.hi > fwdev->eui.hi) && 2268 ((tfwdev->eui.hi == fwdev->eui.hi) && 2269 tfwdev->eui.lo > fwdev->eui.lo)){ 2270 tfwdev = TAILQ_NEXT( tfwdev, link); 2271 } 2272 if(tfwdev == NULL){ 2273 TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 2274 }else{ 2275 TAILQ_INSERT_BEFORE(tfwdev, fwdev, link); 2276 } 2277#endif 2278 2279 printf("%s:Discover new %s device ID:%08x%08x\n", device_get_nameunit(fc->dev), linkspeed[fwdev->speed], fc->ongoeui.hi, fc->ongoeui.lo); 2280 2281 fc->ongodev = fwdev; 2282 fc->ongoaddr = CSRROMOFF; 2283 addr = 0xf0000000 | fc->ongoaddr; 2284 }else{ 2285 addr = 0xf0000000 | fc->ongoaddr; 2286 } 2287#if 0 2288 xfer = asyreqq(fc, FWSPD_S100, 0, 0, 2289 ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 2290 fw_bus_explore_callback); 2291 if(xfer == NULL) goto done; 2292#else 2293 xfer = fw_xfer_alloc(); 2294 if(xfer == NULL){ 2295 goto done; 2296 } 2297 xfer->send.len = 16; 2298 xfer->spd = 0; 2299 xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2300 if(xfer->send.buf == NULL){ 2301 fw_xfer_free( xfer); 2302 return; 2303 } 2304 2305 xfer->send.off = 0; 2306 fp = (struct fw_pkt *)xfer->send.buf; 2307 fp->mode.rreqq.dest_hi = htons(0xffff); 2308 fp->mode.rreqq.tlrt = 0; 2309 fp->mode.rreqq.tcode = FWTCODE_RREQQ; 2310 fp->mode.rreqq.pri = 0; 2311 fp->mode.rreqq.src = 0; 2312 xfer->dst = FWLOCALBUS | fc->ongonode; 2313 fp->mode.rreqq.dst = htons(xfer->dst); 2314 fp->mode.rreqq.dest_lo = htonl(addr); 2315 xfer->act.hand = fw_bus_explore_callback; 2316 2317 err = fw_asyreq(fc, -1, xfer); 2318 if(err){ 2319 fw_xfer_free( xfer); 2320 return; 2321 } 2322#endif 2323 return; 2324done: 2325 /* fw_attach_devs */ 2326 fc->status = FWBUSEXPDONE; 2327 printf("bus_explore done\n"); 2328 fw_attach_dev(fc); 2329 return; 2330 2331} 2332/* Portable Async. request read quad */ 2333struct fw_xfer *asyreqq(struct firewire_comm *fc, 2334 u_int8_t spd, u_int8_t tl, u_int8_t rt, 2335 u_int32_t addr_hi, u_int32_t addr_lo, void *hand __P()) 2336{ 2337 struct fw_xfer *xfer; 2338 struct fw_pkt *fp; 2339 int err; 2340 2341 xfer = fw_xfer_alloc(); 2342 if(xfer == NULL){ 2343 return NULL; 2344 } 2345 xfer->send.len = 16; 2346 xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 2347 xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2348 if(xfer->send.buf == NULL){ 2349 fw_xfer_free( xfer); 2350 return NULL; 2351 } 2352 2353 xfer->send.off = 0; 2354 fp = (struct fw_pkt *)xfer->send.buf; 2355 fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 2356 if(tl & FWP_TL_VALID){ 2357 fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 2358 }else{ 2359 fp->mode.rreqq.tlrt = 0; 2360 } 2361 fp->mode.rreqq.tlrt |= rt & 0x3; 2362 fp->mode.rreqq.tcode = FWTCODE_RREQQ; 2363 fp->mode.rreqq.pri = 0; 2364 fp->mode.rreqq.src = 0; 2365 xfer->dst = addr_hi >> 16; 2366 fp->mode.rreqq.dst = htons(xfer->dst); 2367 fp->mode.rreqq.dest_lo = htonl(addr_lo); 2368 xfer->act.hand = hand; 2369 2370 err = fw_asyreq(fc, -1, xfer); 2371 if(err){ 2372 fw_xfer_free( xfer); 2373 return NULL; 2374 } 2375 return xfer; 2376} 2377/* 2378 * Callback for the IEEE1394 bus information collection. 2379 */ 2380static void fw_bus_explore_callback(struct fw_xfer *xfer){ 2381 struct firewire_comm *fc; 2382 struct fw_pkt *sfp,*rfp; 2383 struct csrhdr *chdr; 2384 struct csrdir *csrd; 2385 struct csrreg *csrreg; 2386 u_int32_t offset; 2387 2388 2389 if(xfer == NULL) return; 2390 fc = xfer->fc; 2391 if(xfer->resp != 0){ 2392 printf("resp != 0: node=%d addr=0x%x\n", 2393 fc->ongonode, fc->ongoaddr); 2394 fc->retry_count++; 2395 goto nextnode; 2396 } 2397 2398 if(xfer->send.buf == NULL){ 2399 printf("send.buf == NULL: node=%d addr=0x%x\n", 2400 fc->ongonode, fc->ongoaddr); 2401 printf("send.buf == NULL\n"); 2402 fc->retry_count++; 2403 goto nextnode; 2404 } 2405 sfp = (struct fw_pkt *)xfer->send.buf; 2406 2407 if(xfer->recv.buf == NULL){ 2408 printf("recv.buf == NULL: node=%d addr=0x%x\n", 2409 fc->ongonode, fc->ongoaddr); 2410 fc->retry_count++; 2411 goto nextnode; 2412 } 2413 rfp = (struct fw_pkt *)xfer->recv.buf; 2414#if 0 2415 { 2416 u_int32_t *qld; 2417 int i; 2418 qld = (u_int32_t *)xfer->recv.buf; 2419 printf("len:%d\n", xfer->recv.len); 2420 for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 2421 printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 2422 if((i % 16) == 15) printf("\n"); 2423 } 2424 if((i % 16) != 15) printf("\n"); 2425 } 2426#endif 2427 if(fc->ongodev == NULL){ 2428 if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 2429 rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 2430 chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 2431/* If CSR is minimul confinguration, more investgation is not needed. */ 2432 if(chdr->info_len == 1){ 2433 goto nextnode; 2434 }else{ 2435 fc->ongoaddr = CSRROMOFF + 0xc; 2436 } 2437 }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 2438 fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 2439 fc->ongoaddr = CSRROMOFF + 0x10; 2440 }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 2441 fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 2442 if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 2443 goto nextnode; 2444 fc->ongoaddr = CSRROMOFF; 2445 } 2446 }else{ 2447 fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 2448 if(fc->ongoaddr > fc->ongodev->rommax){ 2449 fc->ongodev->rommax = fc->ongoaddr; 2450 } 2451 csrd = SLIST_FIRST(&fc->ongocsr); 2452 if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 2453 chdr = (struct csrhdr *)(fc->ongodev->csrrom); 2454 offset = CSRROMOFF; 2455 }else{ 2456 chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 2457 offset = csrd->off; 2458 } 2459 if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 2460 csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 2461 if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 2462 csrd = SLIST_FIRST(&fc->csrfree); 2463 if(csrd == NULL){ 2464 goto nextnode; 2465 }else{ 2466 csrd->ongoaddr = fc->ongoaddr; 2467 fc->ongoaddr += csrreg->val * 4; 2468 csrd->off = fc->ongoaddr; 2469 SLIST_REMOVE_HEAD(&fc->csrfree, link); 2470 SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 2471 goto nextaddr; 2472 } 2473 } 2474 } 2475 fc->ongoaddr += 4; 2476 if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 2477 (fc->ongodev->rommax < 0x414)){ 2478 if(fc->ongodev->rommax <= 0x414){ 2479 csrd = SLIST_FIRST(&fc->csrfree); 2480 if(csrd == NULL) goto nextnode; 2481 csrd->off = fc->ongoaddr; 2482 csrd->ongoaddr = fc->ongoaddr; 2483 SLIST_REMOVE_HEAD(&fc->csrfree, link); 2484 SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 2485 } 2486 goto nextaddr; 2487 } 2488 2489 while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 2490 if(csrd == NULL){ 2491 goto nextnode; 2492 }; 2493 fc->ongoaddr = csrd->ongoaddr + 4; 2494 SLIST_REMOVE_HEAD(&fc->ongocsr, link); 2495 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 2496 csrd = SLIST_FIRST(&fc->ongocsr); 2497 if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 2498 chdr = (struct csrhdr *)(fc->ongodev->csrrom); 2499 offset = CSRROMOFF; 2500 }else{ 2501 chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 2502 offset = csrd->off; 2503 } 2504 } 2505 if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 2506 goto nextnode; 2507 } 2508 } 2509nextaddr: 2510 fw_xfer_free( xfer); 2511 fw_bus_explore(fc); 2512 return; 2513nextnode: 2514 fw_xfer_free( xfer); 2515 fc->ongonode++; 2516/* housekeeping work space */ 2517 fc->ongoaddr = CSRROMOFF; 2518 fc->ongodev = NULL; 2519 fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 2520 while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 2521 SLIST_REMOVE_HEAD(&fc->ongocsr, link); 2522 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 2523 } 2524 fw_bus_explore(fc); 2525 return; 2526} 2527/* 2528 * Async. write responce support for kernel internal use. 2529 */ 2530int fw_writeres(struct firewire_comm *fc, u_int32_t dst, u_int32_t tlrt){ 2531 int err = 0; 2532 struct fw_xfer *xfer; 2533 struct fw_pkt *fp; 2534 2535 xfer = fw_xfer_alloc(); 2536 if(xfer == NULL){ 2537 err = ENOMEM; 2538 return err; 2539 } 2540 xfer->send.len = 12; 2541 xfer->spd = 0; 2542 xfer->send.buf = malloc(xfer->send.len, M_DEVBUF, M_NOWAIT); 2543 if(xfer->send.buf == NULL){ 2544 return ENOMEM; 2545 } 2546 xfer->send.off = 0; 2547 fp = (struct fw_pkt *)xfer->send.buf; 2548 2549 fp->mode.wres.tlrt = tlrt; 2550 fp->mode.wres.tcode = FWTCODE_WRES; 2551 fp->mode.wres.pri = 0; 2552 fp->mode.wres.dst = htons(dst); 2553 2554 xfer->act.hand = fw_asy_callback; 2555 err = fw_asyreq(fc, -1, xfer); 2556 if(err){ 2557 fw_xfer_free( xfer); 2558 return err; 2559 } 2560 err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2561 fw_xfer_free( xfer); 2562 2563 return err; 2564} 2565/* 2566 * Async. read responce block support for kernel internal use. 2567 */ 2568int fw_readresb(struct firewire_comm *fc, u_int32_t dst, u_int32_t tlrt, u_int32_t len, u_int32_t *buf){ 2569 int err = 0; 2570 struct fw_xfer *xfer ; 2571 struct fw_pkt *fp; 2572 2573 xfer = fw_xfer_alloc(); 2574 if(xfer == NULL){ 2575 err = ENOMEM; 2576 return err; 2577 } 2578 xfer->send.len = sizeof(struct fw_pkt) + len; 2579 xfer->spd = 0; 2580 xfer->send.buf = malloc(sizeof(struct fw_pkt) + 1024, M_DEVBUF, M_DONTWAIT); 2581 if(xfer->send.buf == NULL){ 2582 return ENOMEM; 2583 } 2584 xfer->send.off = 0; 2585 fp = (struct fw_pkt *)xfer->send.buf; 2586 fp->mode.rresb.tlrt = tlrt; 2587 fp->mode.rresb.tcode = FWTCODE_RRESB; 2588 fp->mode.rresb.pri = 0; 2589 fp->mode.rresb.dst = htons(dst); 2590 fp->mode.rresb.rtcode = 0; 2591 fp->mode.rresb.extcode = 0; 2592 fp->mode.rresb.len = htons(len); 2593 bcopy(buf, fp->mode.rresb.payload, len); 2594 xfer->act.hand = fw_asy_callback; 2595 err = fw_asyreq(fc, -1, xfer); 2596 if(err){ 2597 fw_xfer_free( xfer); 2598 return err; 2599 } 2600 err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2601 2602 fw_xfer_free( xfer); 2603 return err; 2604} 2605/* 2606 * Async. write request block support for kernel internal use. 2607 */ 2608int fw_writereqb(struct firewire_comm *fc, u_int32_t addr_hi, u_int32_t addr_lo, u_int len, u_int32_t *buf){ 2609 int err = 0; 2610 struct fw_xfer *xfer ; 2611 struct fw_pkt *fp; 2612 2613 xfer = fw_xfer_alloc(); 2614 if(xfer == NULL){ 2615 err = ENOMEM; 2616 return err; 2617 } 2618 xfer->send.len = sizeof(struct fw_pkt) + len; 2619 xfer->spd = 0; 2620 xfer->send.buf = malloc(sizeof(struct fw_pkt) + 1024, M_DEVBUF, M_DONTWAIT); 2621 if(xfer->send.buf == NULL){ 2622 return ENOMEM; 2623 } 2624 xfer->send.off = 0; 2625 fp = (struct fw_pkt *)xfer->send.buf; 2626 fp->mode.wreqb.dest_hi = htonl(addr_hi & 0xffff); 2627 fp->mode.wreqb.tlrt = 0; 2628 fp->mode.wreqb.tcode = FWTCODE_WREQB; 2629 fp->mode.wreqb.pri = 0; 2630 fp->mode.wreqb.dst = htons(addr_hi >> 16); 2631 fp->mode.wreqb.dest_lo = htonl(addr_lo); 2632 fp->mode.wreqb.len = htons(len); 2633 fp->mode.wreqb.extcode = 0; 2634 bcopy(buf, fp->mode.wreqb.payload, len); 2635 xfer->act.hand = fw_asy_callback; 2636 err = fw_asyreq(fc, -1, xfer); 2637 if(err){ 2638 fw_xfer_free( xfer); 2639 return err; 2640 } 2641 err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2642 2643 fw_xfer_free( xfer); 2644 return err; 2645} 2646/* 2647 * Async. read request support for kernel internal use. 2648 */ 2649int fw_readreqq(struct firewire_comm *fc, u_int32_t addr_hi, u_int32_t addr_lo, u_int32_t *ret){ 2650 int err = 0; 2651 struct fw_xfer *xfer ; 2652 struct fw_pkt *fp, *rfp; 2653 2654 xfer = fw_xfer_alloc(); 2655 if(xfer == NULL){ 2656 err = ENOMEM; 2657 return err; 2658 } 2659 xfer->send.len = 16; 2660 xfer->spd = 0; 2661 xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2662 if(xfer->send.buf == NULL){ 2663 return ENOMEM; 2664 } 2665 xfer->send.off = 0; 2666 fp = (struct fw_pkt *)xfer->send.buf; 2667 fp->mode.rreqq.dest_hi = htonl(addr_hi & 0xffff); 2668 fp->mode.rreqq.tlrt = 0; 2669 fp->mode.rreqq.tcode = FWTCODE_RREQQ; 2670 fp->mode.rreqq.pri = 0; 2671 xfer->dst = addr_hi >> 16; 2672 fp->mode.rreqq.dst = htons(xfer->dst); 2673 fp->mode.rreqq.dest_lo = htonl(addr_lo); 2674 xfer->act.hand = fw_asy_callback; 2675 err = fw_asyreq(fc, -1, xfer); 2676 if(err){ 2677 fw_xfer_free( xfer); 2678 return err; 2679 } 2680 err = tsleep((caddr_t)xfer, FWPRI, "asyreq", 0); 2681 2682 if(err == 0 && xfer->recv.buf != NULL){ 2683 rfp = (struct fw_pkt *)xfer->recv.buf; 2684 *ret = ntohl(rfp->mode.rresq.data); 2685 } 2686 fw_xfer_free( xfer); 2687 return err; 2688} 2689/* 2690 * To obtain CSR register values. 2691 */ 2692u_int32_t getcsrdata(struct fw_device *fwdev, u_int8_t key) 2693{ 2694 int i; 2695 struct csrhdr *chdr; 2696 struct csrreg *creg; 2697 chdr = (struct csrhdr *)&fwdev->csrrom[0]; 2698 for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 2699 creg = (struct csrreg *)&fwdev->csrrom[i/4]; 2700 if(creg->key == key){ 2701 return (u_int32_t)creg->val; 2702 } 2703 } 2704 return 0; 2705} 2706/* 2707 * To attach sub-devices layer onto IEEE1394 bus. 2708 */ 2709static void fw_attach_dev(struct firewire_comm *fc) 2710{ 2711 struct fw_device *fwdev; 2712 struct fw_xfer *xfer; 2713 int i, err; 2714 device_t *devlistp; 2715 int devcnt; 2716 struct firewire_dev_comm *fdc; 2717 2718 for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 2719 fwdev = TAILQ_NEXT(fwdev, link)){ 2720 if(fwdev->status == FWDEVINIT){ 2721 fwdev->spec = getcsrdata(fwdev, CSRKEY_SPEC); 2722 if(fwdev->spec == 0) 2723 continue; 2724 fwdev->ver = getcsrdata(fwdev, CSRKEY_VER); 2725 if(fwdev->ver == 0) 2726 continue; 2727 fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 2728 2729 switch(fwdev->spec){ 2730 case CSRVAL_ANSIT10: 2731 switch(fwdev->ver){ 2732 case CSRVAL_T10SBP2: 2733 printf("Device SBP-II"); 2734 break; 2735 default: 2736 break; 2737 } 2738 break; 2739 case CSRVAL_1394TA: 2740 switch(fwdev->ver){ 2741 case CSR_PROTAVC: 2742 printf("Device AV/C"); 2743 break; 2744 case CSR_PROTCAL: 2745 printf("Device CAL"); 2746 break; 2747 case CSR_PROTEHS: 2748 printf("Device EHS"); 2749 break; 2750 case CSR_PROTHAVI: 2751 printf("Device HAVi"); 2752 break; 2753 case CSR_PROTCAM104: 2754 printf("Device 1394 Cam 1.04"); 2755 break; 2756 case CSR_PROTCAM120: 2757 printf("Device 1394 Cam 1.20"); 2758 break; 2759 case CSR_PROTCAM130: 2760 printf("Device 1394 Cam 1.30"); 2761 break; 2762 case CSR_PROTDPP: 2763 printf("Device 1394 Direct print"); 2764 break; 2765 case CSR_PROTIICP: 2766 printf("Device Industrial & Instrument"); 2767 break; 2768 default: 2769 printf("Device unkwon 1394TA"); 2770 break; 2771 } 2772 break; 2773 default: 2774 break; 2775 } 2776 fwdev->status = FWDEVATTACHED; 2777 printf("\n"); 2778 } 2779 } 2780 err = device_get_children(fc->dev, &devlistp, &devcnt); 2781 if( err != 0 ) 2782 return; 2783 for( i = 0 ; i < devcnt ; i++){ 2784 if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 2785 fdc = device_get_softc(devlistp[i]); 2786 if (fdc->post_explore != NULL) 2787 fdc->post_explore(fdc); 2788 } 2789 } 2790 free(devlistp, M_TEMP); 2791 2792 /* call pending handlers */ 2793 i = 0; 2794 while ((xfer = STAILQ_FIRST(&fc->pending))) { 2795 STAILQ_REMOVE_HEAD(&fc->pending, link); 2796 i++; 2797 if (xfer->act.hand) 2798 xfer->act.hand(xfer); 2799 } 2800 if (i > 0) 2801 printf("fw_attach_dev: %d pending handlers called\n", i); 2802 if (fc->retry_count > 0) { 2803 printf("retry_count = %d\n", fc->retry_count); 2804 fc->retry_probe_handle = timeout((timeout_t *)fc->ibr, 2805 (void *)fc, hz*2); 2806 } 2807 return; 2808} 2809/* 2810 * To allocate uniq transaction label. 2811 */ 2812static int fw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 2813{ 2814 u_int i; 2815 struct tlabel *tl, *tmptl; 2816 int s; 2817 static u_int32_t label = 0; 2818 2819 s = splfw(); 2820 for( i = 0 ; i < 0x40 ; i ++){ 2821 label = (label + 1) & 0x3f; 2822 for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 2823 tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 2824 if(tmptl->xfer->dst == xfer->dst) break; 2825 } 2826 if(tmptl == NULL) { 2827 tl = malloc(sizeof(struct tlabel),M_DEVBUF,M_DONTWAIT); 2828 if (tl == NULL) { 2829 splx(s); 2830 return (-1); 2831 } 2832 tl->xfer = xfer; 2833 STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 2834 splx(s); 2835 return(label); 2836 } 2837 } 2838 splx(s); 2839 2840 printf("fw_get_tlabel: no free tlabel\n"); 2841 return(-1); 2842} 2843/* 2844 * Generic packet receving process. 2845 */ 2846void fw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 2847{ 2848 struct fw_pkt *fp, *resfp; 2849 struct fw_xfer *xfer; 2850 struct fw_bind *bind; 2851 struct firewire_softc *sc; 2852 int s; 2853#if 0 2854 { 2855 u_int32_t *qld; 2856 int i; 2857 qld = (u_int32_t *)buf; 2858 printf("spd %d len:%d\n", spd, len); 2859 for( i = 0 ; i <= len && i < 32; i+= 4){ 2860 printf("0x%08x ", ntohl(qld[i/4])); 2861 if((i % 16) == 15) printf("\n"); 2862 } 2863 if((i % 16) != 15) printf("\n"); 2864 } 2865#endif 2866 fp = (struct fw_pkt *)(buf + off); 2867 switch(fp->mode.common.tcode){ 2868 case FWTCODE_WRES: 2869 case FWTCODE_RRESQ: 2870 case FWTCODE_RRESB: 2871 case FWTCODE_LRES: 2872 xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 2873 fp->mode.hdr.tlrt >> 2); 2874 if(xfer == NULL) { 2875 printf("fw_rcv: unknown response " 2876 "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 2877 fp->mode.common.tcode, 2878 ntohs(fp->mode.hdr.src), 2879 fp->mode.hdr.tlrt >> 2, 2880 fp->mode.hdr.tlrt & 3, 2881 fp->mode.rresq.data); 2882#if 1 2883 printf("try ad-hoc work around!!\n"); 2884 xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 2885 (fp->mode.hdr.tlrt >> 2)^3); 2886 if (xfer == NULL) { 2887 printf("no use...\n"); 2888 goto err; 2889 } 2890#else 2891 goto err; 2892#endif 2893 } 2894 switch(xfer->act_type){ 2895 case FWACT_XFER: 2896 if((xfer->sub >= 0) && 2897 ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 2898 xfer->resp = EINVAL; 2899 fw_xfer_done(xfer); 2900 goto err; 2901 } 2902 xfer->recv.len = len; 2903 xfer->recv.off = off; 2904 xfer->recv.buf = buf; 2905 xfer->resp = 0; 2906 fw_xfer_done(xfer); 2907 return; 2908 break; 2909 case FWACT_CH: 2910 default: 2911 goto err; 2912 break; 2913 } 2914 break; 2915 case FWTCODE_WREQQ: 2916 case FWTCODE_WREQB: 2917 case FWTCODE_RREQQ: 2918 case FWTCODE_RREQB: 2919 case FWTCODE_LREQ: 2920 bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 2921 ntohl(fp->mode.rreqq.dest_lo)); 2922 if(bind == NULL){ 2923 printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 2924 ntohs(fp->mode.rreqq.dest_hi), 2925 ntohl(fp->mode.rreqq.dest_lo), 2926 fp->mode.common.tcode); 2927 if (fc->status == FWBUSRESET) { 2928 printf("fw_rcv: cannot response(bus reset)!\n"); 2929 goto err; 2930 } 2931 xfer = fw_xfer_alloc(); 2932 if(xfer == NULL){ 2933 return; 2934 } 2935 xfer->spd = spd; 2936 xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 2937 resfp = (struct fw_pkt *)xfer->send.buf; 2938 switch(fp->mode.common.tcode){ 2939 case FWTCODE_WREQQ: 2940 case FWTCODE_WREQB: 2941 resfp->mode.hdr.tcode = FWTCODE_WRES; 2942 xfer->send.len = 12; 2943 break; 2944 case FWTCODE_RREQQ: 2945 resfp->mode.hdr.tcode = FWTCODE_RRESQ; 2946 xfer->send.len = 16; 2947 break; 2948 case FWTCODE_RREQB: 2949 resfp->mode.hdr.tcode = FWTCODE_RRESB; 2950 xfer->send.len = 16; 2951 break; 2952 case FWTCODE_LREQ: 2953 resfp->mode.hdr.tcode = FWTCODE_LRES; 2954 xfer->send.len = 16; 2955 break; 2956 } 2957 resfp->mode.hdr.dst = fp->mode.hdr.src; 2958 resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 2959 resfp->mode.hdr.pri = fp->mode.hdr.pri; 2960 resfp->mode.rresb.rtcode = 7; 2961 resfp->mode.rresb.extcode = 0; 2962 resfp->mode.rresb.len = 0; 2963/* 2964 xfer->act.hand = fw_asy_callback; 2965*/ 2966 xfer->act.hand = fw_xfer_free; 2967 if(fw_asyreq(fc, -1, xfer)){ 2968 fw_xfer_free( xfer); 2969 return; 2970 } 2971 goto err; 2972 } 2973 switch(bind->xfer->act_type){ 2974 case FWACT_XFER: 2975 xfer = fw_xfer_alloc(); 2976 if(xfer == NULL) goto err; 2977 xfer->fc = bind->xfer->fc; 2978 xfer->sc = bind->xfer->sc; 2979 xfer->recv.buf = buf; 2980 xfer->recv.len = len; 2981 xfer->recv.off = off; 2982 xfer->spd = spd; 2983 xfer->act.hand = bind->xfer->act.hand; 2984 if (fc->status != FWBUSRESET) 2985 xfer->act.hand(xfer); 2986 else 2987 STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 2988 return; 2989 break; 2990 case FWACT_CH: 2991 if(fc->ir[bind->xfer->sub]->queued >= 2992 fc->ir[bind->xfer->sub]->maxq){ 2993 printf("%s:Discard a packet %x %d\n", 2994 device_get_nameunit(fc->dev), 2995 bind->xfer->sub, 2996 fc->ir[bind->xfer->sub]->queued); 2997 goto err; 2998 } 2999 xfer = fw_xfer_alloc(); 3000 if(xfer == NULL) goto err; 3001 xfer->recv.buf = buf; 3002 xfer->recv.len = len; 3003 xfer->recv.off = off; 3004 xfer->spd = spd; 3005 s = splfw(); 3006 fc->ir[bind->xfer->sub]->queued++; 3007 STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 3008 splx(s); 3009 3010 wakeup((caddr_t)fc->ir[bind->xfer->sub]); 3011 3012 return; 3013 break; 3014 default: 3015 goto err; 3016 break; 3017 } 3018 break; 3019 case FWTCODE_STREAM: 3020 { 3021 struct fw_xferq *xferq; 3022 3023 xferq = fc->ir[sub]; 3024#if 0 3025 printf("stream rcv dma %d len %d off %d spd %d\n", 3026 sub, len, off, spd); 3027#endif 3028 if(xferq->queued >= xferq->maxq) { 3029 printf("receive queue is full\n"); 3030 goto err; 3031 } 3032 xfer = fw_xfer_alloc(); 3033 if(xfer == NULL) goto err; 3034 xfer->recv.buf = buf; 3035 xfer->recv.len = len; 3036 xfer->recv.off = off; 3037 xfer->spd = spd; 3038 s = splfw(); 3039 xferq->queued++; 3040 STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 3041 splx(s); 3042 sc = device_get_softc(fc->bdev); 3043#if __FreeBSD_version >= 500000 3044 if (SEL_WAITING(&xferq->rsel)) 3045#else 3046 if (&xferq->rsel.si_pid != 0) 3047#endif 3048 selwakeup(&xferq->rsel); 3049 if (xferq->flag & FWXFERQ_WAKEUP) { 3050 xferq->flag &= ~FWXFERQ_WAKEUP; 3051 wakeup((caddr_t)xferq); 3052 } 3053 if (xferq->flag & FWXFERQ_HANDLER) { 3054 xferq->hand(xferq); 3055 } 3056 return; 3057 break; 3058 } 3059 default: 3060 printf("fw_rcv: unknow tcode\n"); 3061 break; 3062 } 3063err: 3064 free(buf, M_DEVBUF); 3065} 3066/* 3067 * Post process for Bus Manager election process. 3068 */ 3069static void 3070fw_try_bmr_callback(struct fw_xfer *xfer) 3071{ 3072 struct fw_pkt *sfp,*rfp; 3073 struct firewire_comm *fc; 3074 3075 if(xfer == NULL) return; 3076 fc = xfer->fc; 3077 if(xfer->resp != 0){ 3078 goto error; 3079 } 3080 3081 if(xfer->send.buf == NULL){ 3082 goto error; 3083 } 3084 sfp = (struct fw_pkt *)xfer->send.buf; 3085 3086 if(xfer->recv.buf == NULL){ 3087 goto error; 3088 } 3089 rfp = (struct fw_pkt *)xfer->recv.buf; 3090 CSRARC(fc, BUS_MGR_ID) 3091 = fc->set_bmr(fc, ntohl(rfp->mode.lres.payload[0]) & 0x3f); 3092 printf("%s: new bus manager %d ", 3093 device_get_nameunit(fc->dev), CSRARC(fc, BUS_MGR_ID)); 3094 if((htonl(rfp->mode.lres.payload[0]) & 0x3f) == fc->nodeid){ 3095 printf("(me)\n"); 3096/* If I am bus manager, optimize gapcount */ 3097 if(fc->max_hop <= MAX_GAPHOP ){ 3098 fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 3099 } 3100 }else{ 3101 printf("\n"); 3102 } 3103error: 3104 fw_xfer_free(xfer); 3105} 3106/* 3107 * To candidate Bus Manager election process. 3108 */ 3109void fw_try_bmr(void *arg) 3110{ 3111 struct fw_xfer *xfer; 3112 struct firewire_comm *fc = (struct firewire_comm *)arg; 3113 struct fw_pkt *fp; 3114 int err = 0; 3115 3116 xfer = fw_xfer_alloc(); 3117 if(xfer == NULL){ 3118 return; 3119 } 3120 xfer->send.len = 24; 3121 xfer->spd = 0; 3122 xfer->send.buf = malloc(24, M_DEVBUF, M_DONTWAIT); 3123 if(xfer->send.buf == NULL){ 3124 fw_xfer_free( xfer); 3125 return; 3126 } 3127 3128 fc->status = FWBUSMGRELECT; 3129 3130 xfer->send.off = 0; 3131 fp = (struct fw_pkt *)xfer->send.buf; 3132 fp->mode.lreq.dest_hi = htons(0xffff); 3133 fp->mode.lreq.tlrt = 0; 3134 fp->mode.lreq.tcode = FWTCODE_LREQ; 3135 fp->mode.lreq.pri = 0; 3136 fp->mode.lreq.src = 0; 3137 fp->mode.lreq.len = htons(8); 3138 fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 3139 xfer->dst = FWLOCALBUS | fc->irm; 3140 fp->mode.lreq.dst = htons(xfer->dst); 3141 fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 3142 fp->mode.lreq.payload[0] = 0x3f; 3143 fp->mode.lreq.payload[1] = fc->nodeid; 3144 xfer->act_type = FWACT_XFER; 3145 xfer->act.hand = fw_try_bmr_callback; 3146 3147 err = fw_asyreq(fc, -1, xfer); 3148 if(err){ 3149 fw_xfer_free( xfer); 3150 return; 3151 } 3152 return; 3153} 3154/* 3155 * Software implementation for physical memory block access. 3156 * XXX:Too slow, usef for debug purpose only. 3157 */ 3158static void fw_vmaccess(struct fw_xfer *xfer){ 3159 struct fw_pkt *rfp, *sfp = NULL; 3160 u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 3161 3162 printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 3163 xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 3164 printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 3165 if(xfer->resp != 0){ 3166 fw_xfer_free( xfer); 3167 return; 3168 } 3169 if(xfer->recv.buf == NULL){ 3170 fw_xfer_free( xfer); 3171 return; 3172 } 3173 rfp = (struct fw_pkt *)xfer->recv.buf; 3174 switch(rfp->mode.hdr.tcode){ 3175 /* XXX need fix for 64bit arch */ 3176 case FWTCODE_WREQB: 3177 xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 3178 xfer->send.len = 12; 3179 sfp = (struct fw_pkt *)xfer->send.buf; 3180 bcopy(rfp->mode.wreqb.payload, 3181 (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 3182 sfp->mode.wres.tcode = FWTCODE_WRES; 3183 sfp->mode.wres.rtcode = 0; 3184 break; 3185 case FWTCODE_WREQQ: 3186 xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 3187 xfer->send.len = 12; 3188 sfp->mode.wres.tcode = FWTCODE_WRES; 3189 *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 3190 sfp->mode.wres.rtcode = 0; 3191 break; 3192 case FWTCODE_RREQB: 3193 xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_DEVBUF, M_NOWAIT); 3194 xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 3195 sfp = (struct fw_pkt *)xfer->send.buf; 3196 bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 3197 sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 3198 sfp->mode.rresb.tcode = FWTCODE_RRESB; 3199 sfp->mode.rresb.len = rfp->mode.rreqb.len; 3200 sfp->mode.rresb.rtcode = 0; 3201 sfp->mode.rresb.extcode = 0; 3202 break; 3203 case FWTCODE_RREQQ: 3204 xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 3205 xfer->send.len = 16; 3206 sfp = (struct fw_pkt *)xfer->send.buf; 3207 sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 3208 sfp->mode.wres.tcode = FWTCODE_RRESQ; 3209 sfp->mode.rresb.rtcode = 0; 3210 break; 3211 default: 3212 fw_xfer_free( xfer); 3213 return; 3214 } 3215 xfer->send.off = 0; 3216 sfp->mode.hdr.dst = rfp->mode.hdr.src; 3217 xfer->dst = ntohs(rfp->mode.hdr.src); 3218 xfer->act.hand = fw_xfer_free; 3219 xfer->retry_req = fw_asybusy; 3220 3221 sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 3222 sfp->mode.hdr.pri = 0; 3223 3224 fw_asyreq(xfer->fc, -1, xfer); 3225/**/ 3226 return; 3227} 3228/* 3229 * CRC16 check-sum for IEEE1394 register blocks. 3230 */ 3231u_int16_t fw_crc16(u_int32_t *ptr, u_int32_t len){ 3232 u_int32_t i, sum, crc = 0; 3233 int shift; 3234 len = (len + 3) & ~3; 3235 for(i = 0 ; i < len ; i+= 4){ 3236 for( shift = 28 ; shift >= 0 ; shift -= 4){ 3237 sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 3238 crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 3239 } 3240 crc &= 0xffff; 3241 } 3242 return((u_int16_t) crc); 3243} 3244DRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 3245MODULE_VERSION(firewire, 1); 3246