firewire.c revision 110179
1103285Sikob/* 2103285Sikob * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 3103285Sikob * All rights reserved. 4103285Sikob * 5103285Sikob * Redistribution and use in source and binary forms, with or without 6103285Sikob * modification, are permitted provided that the following conditions 7103285Sikob * are met: 8103285Sikob * 1. Redistributions of source code must retain the above copyright 9103285Sikob * notice, this list of conditions and the following disclaimer. 10103285Sikob * 2. Redistributions in binary form must reproduce the above copyright 11103285Sikob * notice, this list of conditions and the following disclaimer in the 12103285Sikob * documentation and/or other materials provided with the distribution. 13103285Sikob * 3. All advertising materials mentioning features or use of this software 14103285Sikob * must display the acknowledgement as bellow: 15103285Sikob * 16103285Sikob * This product includes software developed by K. Kobayashi and H. Shimokawa 17103285Sikob * 18103285Sikob * 4. The name of the author may not be used to endorse or promote products 19103285Sikob * derived from this software without specific prior written permission. 20103285Sikob * 21103285Sikob * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22103285Sikob * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23103285Sikob * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24103285Sikob * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25103285Sikob * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26103285Sikob * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27103285Sikob * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28103285Sikob * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29103285Sikob * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30103285Sikob * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31103285Sikob * POSSIBILITY OF SUCH DAMAGE. 32103285Sikob * 33103285Sikob * $FreeBSD: head/sys/dev/firewire/firewire.c 110179 2003-02-01 06:34:36Z simokawa $ 34103285Sikob * 35103285Sikob */ 36103285Sikob 37103285Sikob#include <sys/param.h> 38103285Sikob#include <sys/systm.h> 39103285Sikob#include <sys/types.h> 40103285Sikob#include <sys/mbuf.h> 41103285Sikob#include <sys/socket.h> 42103285Sikob#include <sys/socketvar.h> 43103285Sikob 44103285Sikob#include <sys/kernel.h> 45103285Sikob#include <sys/malloc.h> 46103285Sikob#include <sys/conf.h> 47103285Sikob#include <sys/uio.h> 48103285Sikob#include <sys/sysctl.h> 49103285Sikob 50103285Sikob#include <machine/cpufunc.h> /* for rdtsc proto for clock.h below */ 51103285Sikob#include <machine/clock.h> 52103285Sikob 53103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 54103285Sikob 55103285Sikob#include <dev/firewire/firewire.h> 56103285Sikob#include <dev/firewire/firewirereg.h> 57110072Ssimokawa#include <dev/firewire/fwmem.h> 58103285Sikob#include <dev/firewire/iec13213.h> 59103285Sikob#include <dev/firewire/iec68113.h> 60103285Sikob 61109736Ssimokawaint firewire_debug=0, try_bmr=1; 62103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 63108281Ssimokawa "FireWire driver debug flag"); 64109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 65109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 66109736Ssimokawa "Try to be a bus manager"); 67103285Sikob 68103285Sikob#define FW_MAXASYRTY 4 69103285Sikob#define FW_MAXDEVRCNT 4 70103285Sikob 71103285Sikob#define XFER_TIMEOUT 0 72103285Sikob 73103285Sikobdevclass_t firewire_devclass; 74103285Sikob 75103285Sikobstatic int firewire_match __P((device_t)); 76103285Sikobstatic int firewire_attach __P((device_t)); 77103285Sikobstatic int firewire_detach __P((device_t)); 78103285Sikob#if 0 79103285Sikobstatic int firewire_shutdown __P((device_t)); 80103285Sikob#endif 81103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 82103285Sikobstatic void fw_try_bmr __P((void *)); 83103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 84103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 85103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 86103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 87103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 88103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 89103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 90106543Ssimokawa#ifdef FW_VMACCESS 91103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 92106543Ssimokawa#endif 93103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 94105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 95110072Ssimokawastatic int fw_bmr __P((struct firewire_comm *)); 96103285Sikob 97103285Sikobstatic device_method_t firewire_methods[] = { 98103285Sikob /* Device interface */ 99103285Sikob DEVMETHOD(device_probe, firewire_match), 100103285Sikob DEVMETHOD(device_attach, firewire_attach), 101103285Sikob DEVMETHOD(device_detach, firewire_detach), 102108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 103108642Ssimokawa DEVMETHOD(device_resume, bus_generic_resume), 104103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 105103285Sikob 106103285Sikob /* Bus interface */ 107103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 108103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 109103285Sikob 110103285Sikob { 0, 0 } 111103285Sikob}; 112103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 113103285Sikob 114103285Sikob#define MAX_GAPHOP 16 115103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 116103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 117106813Ssimokawa 118106813Ssimokawaextern struct cdevsw firewire_cdevsw; 119106813Ssimokawa 120103285Sikobstatic driver_t firewire_driver = { 121103285Sikob "firewire", 122103285Sikob firewire_methods, 123103285Sikob sizeof(struct firewire_softc), 124103285Sikob}; 125103285Sikob 126103285Sikob/* 127110072Ssimokawa * Lookup fwdev by node id. 128103285Sikob */ 129106810Ssimokawastruct fw_device * 130110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 131103285Sikob{ 132103285Sikob struct fw_device *fwdev; 133110072Ssimokawa int s; 134110072Ssimokawa 135110072Ssimokawa s = splfw(); 136110072Ssimokawa TAILQ_FOREACH(fwdev, &fc->devices, link) 137110072Ssimokawa if (fwdev->dst == dst) 138103285Sikob break; 139110072Ssimokawa splx(s); 140110072Ssimokawa 141106810Ssimokawa if(fwdev == NULL) return NULL; 142106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 143106810Ssimokawa return fwdev; 144103285Sikob} 145106813Ssimokawa 146103285Sikob/* 147110072Ssimokawa * Lookup fwdev by EUI64. 148110072Ssimokawa */ 149110072Ssimokawastruct fw_device * 150110072Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 eui) 151110072Ssimokawa{ 152110072Ssimokawa struct fw_device *fwdev; 153110072Ssimokawa int s; 154110072Ssimokawa 155110072Ssimokawa s = splfw(); 156110072Ssimokawa TAILQ_FOREACH(fwdev, &fc->devices, link) 157110072Ssimokawa if (fwdev->eui.hi == eui.hi && fwdev->eui.lo == eui.lo) 158110072Ssimokawa break; 159110072Ssimokawa splx(s); 160110072Ssimokawa 161110072Ssimokawa if(fwdev == NULL) return NULL; 162110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 163110072Ssimokawa return fwdev; 164110072Ssimokawa} 165110072Ssimokawa 166110072Ssimokawa/* 167103285Sikob * Async. request procedure for userland application. 168103285Sikob */ 169103285Sikobint 170103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 171103285Sikob{ 172103285Sikob int err = 0; 173103285Sikob struct fw_xferq *xferq; 174103285Sikob int tl = 0, len; 175103285Sikob struct fw_pkt *fp; 176103285Sikob int tcode; 177103285Sikob struct tcode_info *info; 178103285Sikob 179103285Sikob if(xfer == NULL) return EINVAL; 180108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 181103285Sikob printf("send.len > maxrec\n"); 182103285Sikob return EINVAL; 183103285Sikob } 184103285Sikob if(xfer->act.hand == NULL){ 185103285Sikob printf("act.hand == NULL\n"); 186103285Sikob return EINVAL; 187103285Sikob } 188103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 189103285Sikob 190103285Sikob tcode = fp->mode.common.tcode & 0xf; 191103285Sikob info = &fc->tcode[tcode]; 192103285Sikob if (info->flag == 0) { 193103285Sikob printf("invalid tcode=%d\n", tcode); 194103285Sikob return EINVAL; 195103285Sikob } 196103285Sikob if (info->flag & FWTI_REQ) 197103285Sikob xferq = fc->atq; 198103285Sikob else 199103285Sikob xferq = fc->ats; 200103285Sikob len = info->hdr_len; 201103285Sikob if (info->flag & FWTI_BLOCK_STR) 202103285Sikob len += ntohs(fp->mode.stream.len); 203103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 204103285Sikob len += ntohs(fp->mode.rresb.len); 205103285Sikob if( len > xfer->send.len ){ 206103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 207103285Sikob len, xfer->send.len, tcode); 208103285Sikob return EINVAL; 209103285Sikob } 210103285Sikob xfer->send.len = len; 211106790Ssimokawa 212103285Sikob if(xferq->start == NULL){ 213103285Sikob printf("xferq->start == NULL\n"); 214103285Sikob return EINVAL; 215103285Sikob } 216103285Sikob if(!(xferq->queued < xferq->maxq)){ 217108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 218108655Ssimokawa xferq->queued); 219103285Sikob return EINVAL; 220103285Sikob } 221103285Sikob 222103285Sikob 223103285Sikob if (info->flag & FWTI_TLABEL) { 224103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 225103285Sikob return EIO; 226103285Sikob fp->mode.hdr.tlrt = tl << 2; 227103285Sikob } 228103285Sikob 229103285Sikob xfer->tl = tl; 230103285Sikob xfer->tcode = tcode; 231103285Sikob xfer->resp = 0; 232103285Sikob xfer->fc = fc; 233103285Sikob xfer->q = xferq; 234103285Sikob xfer->act_type = FWACT_XFER; 235103285Sikob xfer->retry_req = fw_asybusy; 236103285Sikob 237103285Sikob fw_asystart(xfer); 238103285Sikob return err; 239103285Sikob} 240103285Sikob/* 241103285Sikob * Wakeup blocked process. 242103285Sikob */ 243103285Sikobvoid 244103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 245103285Sikob wakeup(xfer); 246103285Sikob return; 247103285Sikob} 248103285Sikob/* 249103285Sikob * Postpone to later retry. 250103285Sikob */ 251103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 252106815Ssimokawa#if 1 253103285Sikob printf("fw_asybusy\n"); 254103285Sikob#endif 255103285Sikob#if XFER_TIMEOUT 256103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 257103285Sikob#endif 258103285Sikob/* 259103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 260103285Sikob*/ 261103285Sikob DELAY(20000); 262103285Sikob fw_asystart(xfer); 263103285Sikob return; 264103285Sikob} 265103285Sikob#if XFER_TIMEOUT 266103285Sikob/* 267103285Sikob * Post timeout for async. request. 268103285Sikob */ 269103285Sikobvoid 270103285Sikobfw_xfer_timeout(void *arg) 271103285Sikob{ 272103285Sikob int s; 273103285Sikob struct fw_xfer *xfer; 274103285Sikob 275103285Sikob xfer = (struct fw_xfer *)arg; 276103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 277103285Sikob /* XXX set error code */ 278103285Sikob s = splfw(); 279103285Sikob xfer->act.hand(xfer); 280103285Sikob splx(s); 281103285Sikob} 282103285Sikob#endif 283103285Sikob/* 284103285Sikob * Async. request with given xfer structure. 285103285Sikob */ 286106790Ssimokawastatic void 287106790Ssimokawafw_asystart(struct fw_xfer *xfer) 288106790Ssimokawa{ 289103285Sikob struct firewire_comm *fc = xfer->fc; 290103285Sikob int s; 291103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 292103285Sikob xfer->resp = EBUSY; 293103285Sikob xfer->state = FWXF_BUSY; 294103285Sikob xfer->act.hand(xfer); 295103285Sikob return; 296103285Sikob } 297103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 298103285Sikob if (fc->status < FWBUSEXPLORE) { 299103285Sikob xfer->resp = EAGAIN; 300103285Sikob xfer->state = FWXF_BUSY; 301103285Sikob if (xfer->act.hand != NULL) 302103285Sikob xfer->act.hand(xfer); 303103285Sikob return; 304103285Sikob } 305103285Sikob#endif 306103285Sikob s = splfw(); 307103285Sikob xfer->state = FWXF_INQ; 308103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 309103285Sikob xfer->q->queued ++; 310103285Sikob splx(s); 311103285Sikob /* XXX just queue for mbuf */ 312103285Sikob if (xfer->mbuf == NULL) 313103285Sikob xfer->q->start(fc); 314103285Sikob#if XFER_TIMEOUT 315103285Sikob if (xfer->act.hand != NULL) 316103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 317103285Sikob#endif 318103285Sikob return; 319103285Sikob} 320106790Ssimokawa 321103285Sikobstatic int 322103285Sikobfirewire_match( device_t dev ) 323103285Sikob{ 324108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 325103285Sikob return -140; 326103285Sikob} 327106790Ssimokawa 328103285Sikob/* 329103285Sikob * The attach routine. 330103285Sikob */ 331103285Sikobstatic int 332103285Sikobfirewire_attach( device_t dev ) 333103285Sikob{ 334103285Sikob int i, unitmask, mn; 335103285Sikob struct firewire_softc *sc = device_get_softc(dev); 336103285Sikob device_t pa = device_get_parent(dev); 337103285Sikob struct firewire_comm *fc; 338103285Sikob dev_t d; 339103285Sikob 340103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 341103285Sikob sc->fc = fc; 342103285Sikob 343103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 344103285Sikob 345103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 346103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 347103285Sikob mn = unitmask | i; 348103285Sikob /* XXX device name should be improved */ 349103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 350108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 351103285Sikob "fw%x", mn); 352103285Sikob#if __FreeBSD_version >= 500000 353103285Sikob if (i == 0) 354103285Sikob sc->dev = d; 355103285Sikob else 356103285Sikob dev_depends(sc->dev, d); 357103285Sikob#else 358103285Sikob sc->dev[i] = d; 359103285Sikob#endif 360103285Sikob } 361103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 362108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 363103285Sikob "fwmem%d", device_get_unit(dev)); 364103285Sikob#if __FreeBSD_version >= 500000 365103285Sikob dev_depends(sc->dev, d); 366103285Sikob#else 367103285Sikob sc->dev[i] = d; 368103285Sikob#endif 369103285Sikob sc->fc->timeouthandle = timeout((timeout_t *)sc->fc->timeout, (void *)sc->fc, hz * 10); 370103285Sikob 371108853Ssimokawa callout_init(&sc->fc->busprobe_callout 372108853Ssimokawa#if __FreeBSD_version >= 500000 373108853Ssimokawa , /* mpsafe? */ 0); 374108853Ssimokawa#else 375108853Ssimokawa ); 376108853Ssimokawa#endif 377108853Ssimokawa 378103285Sikob /* Locate our children */ 379103285Sikob bus_generic_probe(dev); 380103285Sikob 381103285Sikob /* launch attachement of the added children */ 382103285Sikob bus_generic_attach(dev); 383103285Sikob 384103285Sikob /* bus_reset */ 385103285Sikob fc->ibr(fc); 386103285Sikob 387103285Sikob return 0; 388103285Sikob} 389103285Sikob 390103285Sikob/* 391103285Sikob * Attach it as child. 392103285Sikob */ 393103285Sikobstatic device_t 394103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 395103285Sikob{ 396103285Sikob device_t child; 397103285Sikob struct firewire_softc *sc; 398103285Sikob 399103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 400103285Sikob child = device_add_child(dev, name, unit); 401103285Sikob if (child) { 402103285Sikob device_set_ivars(child, sc->fc); 403103285Sikob device_probe_and_attach(child); 404103285Sikob } 405103285Sikob 406103285Sikob return child; 407103285Sikob} 408106790Ssimokawa 409103285Sikob/* 410103285Sikob * Dettach it. 411103285Sikob */ 412103285Sikobstatic int 413103285Sikobfirewire_detach( device_t dev ) 414103285Sikob{ 415103285Sikob struct firewire_softc *sc; 416103285Sikob 417103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 418106790Ssimokawa 419103285Sikob#if __FreeBSD_version >= 500000 420103285Sikob destroy_dev(sc->dev); 421103285Sikob#else 422103285Sikob { 423103285Sikob int j; 424103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 425103285Sikob destroy_dev(sc->dev[j]); 426103285Sikob } 427103285Sikob#endif 428103285Sikob /* XXX xfree_free and untimeout on all xfers */ 429103285Sikob untimeout((timeout_t *)sc->fc->timeout, sc->fc, sc->fc->timeouthandle); 430103285Sikob free(sc->fc->topology_map, M_DEVBUF); 431103285Sikob free(sc->fc->speed_map, M_DEVBUF); 432103285Sikob bus_generic_detach(dev); 433103285Sikob return(0); 434103285Sikob} 435103285Sikob#if 0 436103285Sikobstatic int 437103285Sikobfirewire_shutdown( device_t dev ) 438103285Sikob{ 439103285Sikob return 0; 440103285Sikob} 441103285Sikob#endif 442106790Ssimokawa 443103285Sikob/* 444106790Ssimokawa * Called after bus reset. 445103285Sikob */ 446106790Ssimokawavoid 447106790Ssimokawafw_busreset(struct firewire_comm *fc) 448103285Sikob{ 449103285Sikob int i; 450103285Sikob struct fw_xfer *xfer; 451103285Sikob 452103285Sikob switch(fc->status){ 453103285Sikob case FWBUSMGRELECT: 454103285Sikob untimeout((timeout_t *)fw_try_bmr, (void *)fc, fc->bmrhandle); 455103285Sikob break; 456103285Sikob default: 457103285Sikob break; 458103285Sikob } 459103285Sikob fc->status = FWBUSRESET; 460103285Sikob/* XXX: discard all queued packet */ 461103285Sikob while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 462103285Sikob STAILQ_REMOVE_HEAD(&fc->atq->q, link); 463103285Sikob xfer->resp = EAGAIN; 464103285Sikob switch(xfer->act_type){ 465103285Sikob case FWACT_XFER: 466103285Sikob fw_xfer_done(xfer); 467103285Sikob break; 468103285Sikob default: 469103285Sikob break; 470103285Sikob } 471103285Sikob fw_xfer_free( xfer); 472103285Sikob } 473103285Sikob while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 474103285Sikob STAILQ_REMOVE_HEAD(&fc->ats->q, link); 475103285Sikob xfer->resp = EAGAIN; 476103285Sikob switch(xfer->act_type){ 477103285Sikob case FWACT_XFER: 478103285Sikob fw_xfer_done(xfer); 479103285Sikob default: 480103285Sikob break; 481103285Sikob } 482103285Sikob fw_xfer_free( xfer); 483103285Sikob } 484103285Sikob for(i = 0; i < fc->nisodma; i++) 485103285Sikob while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 486103285Sikob STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 487103285Sikob xfer->resp = 0; 488103285Sikob switch(xfer->act_type){ 489103285Sikob case FWACT_XFER: 490103285Sikob fw_xfer_done(xfer); 491103285Sikob break; 492103285Sikob default: 493103285Sikob break; 494103285Sikob } 495103285Sikob fw_xfer_free( xfer); 496103285Sikob } 497103285Sikob 498103285Sikob CSRARC(fc, STATE_CLEAR) 499103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 500103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 501103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 502103285Sikob 503103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 504103285Sikob fc->irm = -1; 505103285Sikob 506103285Sikob fc->max_node = -1; 507103285Sikob 508103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 509103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 510103285Sikob } 511103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 512103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 513103285Sikob CSRARC(fc, RESET_START) = 0; 514103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 515103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 516103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 517103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 518103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 519103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 520103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 521103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 522103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 523103285Sikob 524103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 525103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 526103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 527103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 528103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 529103285Sikob 530103285Sikob/* DV depend CSRs see blue book */ 531103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 532103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 533103285Sikob 534103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 535103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 536103285Sikob} 537106790Ssimokawa 538103285Sikob/* Call once after reboot */ 539106790Ssimokawavoid fw_init(struct firewire_comm *fc) 540103285Sikob{ 541103285Sikob int i; 542106543Ssimokawa struct csrdir *csrd; 543106543Ssimokawa#ifdef FW_VMACCESS 544103285Sikob struct fw_xfer *xfer; 545103285Sikob struct fw_bind *fwb; 546106543Ssimokawa#endif 547103285Sikob 548103285Sikob fc->max_asyretry = FW_MAXASYRTY; 549103285Sikob 550103285Sikob fc->arq->queued = 0; 551103285Sikob fc->ars->queued = 0; 552103285Sikob fc->atq->queued = 0; 553103285Sikob fc->ats->queued = 0; 554103285Sikob 555109379Ssimokawa fc->arq->psize = PAGE_SIZE; 556109379Ssimokawa fc->ars->psize = PAGE_SIZE; 557109379Ssimokawa fc->atq->psize = 0; 558109379Ssimokawa fc->ats->psize = 0; 559103285Sikob 560103285Sikob 561103285Sikob fc->arq->buf = NULL; 562103285Sikob fc->ars->buf = NULL; 563103285Sikob fc->atq->buf = NULL; 564103285Sikob fc->ats->buf = NULL; 565103285Sikob 566103285Sikob fc->arq->flag = FWXFERQ_PACKET; 567103285Sikob fc->ars->flag = FWXFERQ_PACKET; 568103285Sikob fc->atq->flag = FWXFERQ_PACKET; 569103285Sikob fc->ats->flag = FWXFERQ_PACKET; 570103285Sikob 571103285Sikob STAILQ_INIT(&fc->atq->q); 572103285Sikob STAILQ_INIT(&fc->ats->q); 573103285Sikob 574103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 575103285Sikob fc->it[i]->queued = 0; 576103285Sikob fc->ir[i]->queued = 0; 577103285Sikob 578103285Sikob fc->it[i]->start = NULL; 579103285Sikob fc->ir[i]->start = NULL; 580103285Sikob 581103285Sikob fc->it[i]->buf = NULL; 582103285Sikob fc->ir[i]->buf = NULL; 583103285Sikob 584103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 585103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 586103285Sikob 587103285Sikob STAILQ_INIT(&fc->it[i]->q); 588103285Sikob STAILQ_INIT(&fc->ir[i]->q); 589103285Sikob 590103285Sikob STAILQ_INIT(&fc->it[i]->binds); 591103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 592103285Sikob } 593103285Sikob 594103285Sikob fc->arq->maxq = FWMAXQUEUE; 595103285Sikob fc->ars->maxq = FWMAXQUEUE; 596103285Sikob fc->atq->maxq = FWMAXQUEUE; 597103285Sikob fc->ats->maxq = FWMAXQUEUE; 598103285Sikob 599103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 600103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 601103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 602103285Sikob } 603103285Sikob/* Initialize csr registers */ 604103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 605103285Sikob sizeof(struct fw_topology_map), 606109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 607103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 608103285Sikob sizeof(struct fw_speed_map), 609109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 610103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 611103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 612103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 613103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 614103285Sikob 615103285Sikob TAILQ_INIT(&fc->devices); 616103285Sikob STAILQ_INIT(&fc->pending); 617103285Sikob 618103285Sikob/* Initialize csr ROM work space */ 619103285Sikob SLIST_INIT(&fc->ongocsr); 620103285Sikob SLIST_INIT(&fc->csrfree); 621103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 622109424Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_DEVBUF,M_NOWAIT); 623103285Sikob if(csrd == NULL) break; 624103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 625103285Sikob } 626103285Sikob 627103285Sikob/* Initialize Async handlers */ 628103285Sikob STAILQ_INIT(&fc->binds); 629103285Sikob for( i = 0 ; i < 0x40 ; i++){ 630103285Sikob STAILQ_INIT(&fc->tlabels[i]); 631103285Sikob } 632103285Sikob 633103285Sikob/* DV depend CSRs see blue book */ 634103285Sikob#if 0 635103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 636103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 637103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 638103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 639103285Sikob } 640103285Sikob 641103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 642103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 643103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 644103285Sikob CSRARC(fc, i + iPCR) = 0x0; 645103285Sikob } 646103285Sikob#endif 647103285Sikob 648103285Sikob 649106543Ssimokawa#ifdef FW_VMACCESS 650103285Sikob xfer = fw_xfer_alloc(); 651103285Sikob if(xfer == NULL) return; 652103285Sikob 653109424Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_NOWAIT); 654103285Sikob if(fwb == NULL){ 655103285Sikob fw_xfer_free(xfer); 656103285Sikob } 657103285Sikob xfer->act.hand = fw_vmaccess; 658103285Sikob xfer->act_type = FWACT_XFER; 659103285Sikob xfer->fc = fc; 660103285Sikob xfer->sc = NULL; 661103285Sikob 662103285Sikob fwb->start_hi = 0x2; 663103285Sikob fwb->start_lo = 0; 664103285Sikob fwb->addrlen = 0xffffffff; 665103285Sikob fwb->xfer = xfer; 666103285Sikob fw_bindadd(fc, fwb); 667106543Ssimokawa#endif 668103285Sikob} 669106790Ssimokawa 670103285Sikob/* 671103285Sikob * To lookup binded process from IEEE1394 address. 672103285Sikob */ 673106813Ssimokawastruct fw_bind * 674106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 675103285Sikob{ 676103285Sikob struct fw_bind *tfw; 677103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 678103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 679103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 680103285Sikob tfw->start_hi == dest_hi && 681103285Sikob tfw->start_lo <= dest_lo && 682103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 683103285Sikob return(tfw); 684103285Sikob } 685103285Sikob } 686103285Sikob return(NULL); 687103285Sikob} 688106790Ssimokawa 689103285Sikob/* 690103285Sikob * To bind IEEE1394 address block to process. 691103285Sikob */ 692106790Ssimokawaint 693106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 694103285Sikob{ 695103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 696103285Sikob int err = 0; 697103285Sikob tfw = STAILQ_FIRST(&fc->binds); 698103285Sikob if(tfw == NULL){ 699103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 700103285Sikob goto out; 701103285Sikob } 702103285Sikob if((tfw->start_hi > fwb->start_hi) || 703103285Sikob (tfw->start_hi == fwb->start_hi && 704103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 705103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 706103285Sikob goto out; 707103285Sikob } 708103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 709103285Sikob if((tfw->start_hi < fwb->start_hi) || 710103285Sikob (tfw->start_hi == fwb->start_hi && 711103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 712103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 713103285Sikob if(tfw2 == NULL) 714103285Sikob break; 715103285Sikob if((tfw2->start_hi > fwb->start_hi) || 716103285Sikob (tfw2->start_hi == fwb->start_hi && 717103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 718103285Sikob break; 719103285Sikob }else{ 720103285Sikob err = EBUSY; 721103285Sikob goto out; 722103285Sikob } 723103285Sikob } 724103285Sikob } 725103285Sikob if(tfw != NULL){ 726103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 727103285Sikob }else{ 728103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 729103285Sikob } 730103285Sikobout: 731103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 732103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 733103285Sikob } 734103285Sikob return err; 735103285Sikob} 736103285Sikob 737103285Sikob/* 738103285Sikob * To free IEEE1394 address block. 739103285Sikob */ 740106790Ssimokawaint 741106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 742103285Sikob{ 743103285Sikob int s; 744103285Sikob 745103285Sikob s = splfw(); 746103285Sikob /* shall we check the existance? */ 747103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 748103285Sikob splx(s); 749103285Sikob if (fwb->xfer) 750103285Sikob fw_xfer_free(fwb->xfer); 751103285Sikob 752103285Sikob return 0; 753103285Sikob} 754103285Sikob 755103285Sikob/* 756103285Sikob * To free transaction label. 757103285Sikob */ 758106790Ssimokawastatic void 759106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 760103285Sikob{ 761103285Sikob struct tlabel *tl; 762103285Sikob int s = splfw(); 763103285Sikob 764103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 765103285Sikob tl = STAILQ_NEXT(tl, link)){ 766103285Sikob if(tl->xfer == xfer){ 767103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 768103285Sikob free(tl, M_DEVBUF); 769103285Sikob splx(s); 770103285Sikob return; 771103285Sikob } 772103285Sikob } 773103285Sikob splx(s); 774103285Sikob return; 775103285Sikob} 776106790Ssimokawa 777103285Sikob/* 778103285Sikob * To obtain XFER structure by transaction label. 779103285Sikob */ 780106790Ssimokawastatic struct fw_xfer * 781106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 782103285Sikob{ 783103285Sikob struct fw_xfer *xfer; 784103285Sikob struct tlabel *tl; 785103285Sikob int s = splfw(); 786103285Sikob 787103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 788103285Sikob tl = STAILQ_NEXT(tl, link)){ 789103285Sikob if(tl->xfer->dst == node){ 790103285Sikob xfer = tl->xfer; 791103285Sikob splx(s); 792103285Sikob return(xfer); 793103285Sikob } 794103285Sikob } 795103285Sikob splx(s); 796103285Sikob return(NULL); 797103285Sikob} 798106790Ssimokawa 799103285Sikob/* 800103285Sikob * To allocate IEEE1394 XFER structure. 801103285Sikob */ 802106790Ssimokawastruct fw_xfer * 803106790Ssimokawafw_xfer_alloc() 804103285Sikob{ 805103285Sikob struct fw_xfer *xfer; 806106790Ssimokawa 807109424Ssimokawa xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_NOWAIT | M_ZERO); 808106790Ssimokawa if (xfer == NULL) 809106790Ssimokawa return xfer; 810106790Ssimokawa 811103285Sikob xfer->time = time_second; 812103285Sikob xfer->sub = -1; 813106790Ssimokawa 814103285Sikob return xfer; 815103285Sikob} 816106790Ssimokawa 817103285Sikob/* 818103285Sikob * IEEE1394 XFER post process. 819103285Sikob */ 820103285Sikobvoid 821103285Sikobfw_xfer_done(struct fw_xfer *xfer) 822103285Sikob{ 823103285Sikob if (xfer->act.hand == NULL) 824103285Sikob return; 825103285Sikob 826103285Sikob#if XFER_TIMEOUT 827103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 828103285Sikob#endif 829103285Sikob 830103285Sikob if (xfer->fc->status != FWBUSRESET) 831103285Sikob xfer->act.hand(xfer); 832103285Sikob else { 833103285Sikob printf("fw_xfer_done: pending\n"); 834103285Sikob if (xfer->fc != NULL) 835103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 836103285Sikob else 837103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 838103285Sikob } 839103285Sikob} 840103285Sikob 841103285Sikob/* 842103285Sikob * To free IEEE1394 XFER structure. 843103285Sikob */ 844106790Ssimokawavoid 845106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 846103285Sikob{ 847103285Sikob int s; 848103285Sikob if(xfer == NULL ) return; 849103285Sikob if(xfer->state == FWXF_INQ){ 850103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 851103285Sikob s = splfw(); 852103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 853103285Sikob xfer->q->queued --; 854103285Sikob splx(s); 855103285Sikob } 856103285Sikob if(xfer->fc != NULL){ 857103285Sikob if(xfer->state == FWXF_START){ 858103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 859103285Sikob printf("fw_xfer_free FWXF_START\n"); 860103285Sikob#endif 861103285Sikob s = splfw(); 862103285Sikob xfer->q->drain(xfer->fc, xfer); 863103285Sikob splx(s); 864103285Sikob } 865103285Sikob } 866103285Sikob if(xfer->send.buf != NULL){ 867103285Sikob free(xfer->send.buf, M_DEVBUF); 868103285Sikob } 869103285Sikob if(xfer->recv.buf != NULL){ 870103285Sikob free(xfer->recv.buf, M_DEVBUF); 871103285Sikob } 872103285Sikob if(xfer->fc != NULL){ 873103285Sikob fw_tl_free(xfer->fc, xfer); 874103285Sikob } 875103285Sikob free(xfer, M_DEVBUF); 876103285Sikob} 877103285Sikob 878103285Sikobstatic void 879110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 880103285Sikob{ 881103285Sikob#if 0 882110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 883103285Sikob xfer->state, xfer->resp); 884103285Sikob#endif 885103285Sikob fw_xfer_free(xfer); 886103285Sikob} 887103285Sikob 888103285Sikob/* 889103285Sikob * To configure PHY. 890103285Sikob */ 891103285Sikobstatic void 892103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 893103285Sikob{ 894103285Sikob struct fw_xfer *xfer; 895103285Sikob struct fw_pkt *fp; 896103285Sikob 897103285Sikob fc->status = FWBUSPHYCONF; 898103285Sikob 899109280Ssimokawa#if 0 900103285Sikob DELAY(100000); 901109280Ssimokawa#endif 902103285Sikob xfer = fw_xfer_alloc(); 903103285Sikob xfer->send.len = 12; 904103285Sikob xfer->send.off = 0; 905103285Sikob xfer->fc = fc; 906103285Sikob xfer->retry_req = fw_asybusy; 907110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 908103285Sikob 909103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 910109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 911103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 912103285Sikob fp->mode.ld[1] = 0; 913103285Sikob if (root_node >= 0) 914103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 915103285Sikob if (gap_count >= 0) 916103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 917103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 918103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 919103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 920103285Sikob 921107653Ssimokawa if (firewire_debug) 922107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 923103285Sikob root_node, gap_count); 924103285Sikob fw_asyreq(fc, -1, xfer); 925103285Sikob} 926103285Sikob 927103285Sikob#if 0 928103285Sikob/* 929103285Sikob * Dump self ID. 930103285Sikob */ 931103285Sikobstatic void 932103285Sikobfw_print_sid(u_int32_t sid) 933103285Sikob{ 934103285Sikob union fw_self_id *s; 935103285Sikob s = (union fw_self_id *) &sid; 936103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 937103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 938103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 939103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 940103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 941103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 942103285Sikob} 943103285Sikob#endif 944103285Sikob 945103285Sikob/* 946103285Sikob * To receive self ID. 947103285Sikob */ 948103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 949103285Sikob{ 950103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 951103285Sikob union fw_self_id *self_id; 952103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 953103285Sikob 954103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 955103285Sikob fc->status = FWBUSINIT; 956103285Sikob fc->max_node = fc->nodeid & 0x3f; 957103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 958103285Sikob fc->status = FWBUSCYMELECT; 959103285Sikob fc->topology_map->crc_len = 2; 960103285Sikob fc->topology_map->generation ++; 961103285Sikob fc->topology_map->self_id_count = 0; 962103285Sikob fc->topology_map->node_count = 0; 963103285Sikob fc->speed_map->generation ++; 964103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 965103285Sikob self_id = &fc->topology_map->self_id[0]; 966103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 967103285Sikob if (sid[1] != ~sid[0]) { 968103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 969103285Sikob sid += 2; 970103285Sikob continue; 971103285Sikob } 972103285Sikob *self_id = *((union fw_self_id *)sid); 973103285Sikob fc->topology_map->crc_len++; 974103285Sikob if(self_id->p0.sequel == 0){ 975103285Sikob fc->topology_map->node_count ++; 976103285Sikob c_port = 0; 977103285Sikob#if 0 978103285Sikob fw_print_sid(sid[0]); 979103285Sikob#endif 980103285Sikob node = self_id->p0.phy_id; 981103285Sikob if(fc->max_node < node){ 982103285Sikob fc->max_node = self_id->p0.phy_id; 983103285Sikob } 984103285Sikob /* XXX I'm not sure this is the right speed_map */ 985103285Sikob fc->speed_map->speed[node][node] 986103285Sikob = self_id->p0.phy_speed; 987103285Sikob for (j = 0; j < node; j ++) { 988103285Sikob fc->speed_map->speed[j][node] 989103285Sikob = fc->speed_map->speed[node][j] 990103285Sikob = min(fc->speed_map->speed[j][j], 991103285Sikob self_id->p0.phy_speed); 992103285Sikob } 993103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 994103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 995103285Sikob fc->irm = self_id->p0.phy_id; 996103285Sikob } 997103285Sikob if(self_id->p0.port0 >= 0x2){ 998103285Sikob c_port++; 999103285Sikob } 1000103285Sikob if(self_id->p0.port1 >= 0x2){ 1001103285Sikob c_port++; 1002103285Sikob } 1003103285Sikob if(self_id->p0.port2 >= 0x2){ 1004103285Sikob c_port++; 1005103285Sikob } 1006103285Sikob } 1007103285Sikob if(c_port > 2){ 1008103285Sikob i_branch += (c_port - 2); 1009103285Sikob } 1010103285Sikob sid += 2; 1011103285Sikob self_id++; 1012103285Sikob fc->topology_map->self_id_count ++; 1013103285Sikob } 1014108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1015103285Sikob /* CRC */ 1016103285Sikob fc->topology_map->crc = fw_crc16( 1017103285Sikob (u_int32_t *)&fc->topology_map->generation, 1018103285Sikob fc->topology_map->crc_len * 4); 1019103285Sikob fc->speed_map->crc = fw_crc16( 1020103285Sikob (u_int32_t *)&fc->speed_map->generation, 1021103285Sikob fc->speed_map->crc_len * 4); 1022103285Sikob /* byteswap and copy to CSR */ 1023103285Sikob p = (u_int32_t *)fc->topology_map; 1024103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1025103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1026103285Sikob p = (u_int32_t *)fc->speed_map; 1027103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1028103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1029103285Sikob /* don't byte-swap u_int8_t array */ 1030103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1031103285Sikob 1032103285Sikob fc->max_hop = fc->max_node - i_branch; 1033103285Sikob#if 1 1034103285Sikob printf(", maxhop <= %d", fc->max_hop); 1035103285Sikob#endif 1036103285Sikob 1037103285Sikob if(fc->irm == -1 ){ 1038103285Sikob printf(", Not found IRM capable node"); 1039103285Sikob }else{ 1040103285Sikob printf(", cable IRM = %d", fc->irm); 1041103285Sikob if (fc->irm == fc->nodeid) 1042110016Ssimokawa printf(" (me)"); 1043103285Sikob } 1044110016Ssimokawa printf("\n"); 1045103285Sikob 1046109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1047109736Ssimokawa if (fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)) { 1048103285Sikob fc->status = FWBUSMGRDONE; 1049103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1050109736Ssimokawa } else { 1051103285Sikob fc->status = FWBUSMGRELECT; 1052109736Ssimokawa fc->bmrhandle = timeout((timeout_t *)fw_try_bmr, 1053109736Ssimokawa (void *)fc, hz / 8); 1054103285Sikob } 1055109736Ssimokawa } else { 1056103285Sikob fc->status = FWBUSMGRDONE; 1057109736Ssimokawa#if 0 1058108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1059108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1060109736Ssimokawa#endif 1061103285Sikob } 1062103285Sikob free(buf, M_DEVBUF); 1063103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1064110072Ssimokawa /* I am BMGR */ 1065110072Ssimokawa fw_bmr(fc); 1066103285Sikob } 1067108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1068108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1069103285Sikob} 1070106790Ssimokawa 1071103285Sikob/* 1072103285Sikob * To probe devices on the IEEE1394 bus. 1073103285Sikob */ 1074106790Ssimokawastatic void 1075106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1076103285Sikob{ 1077103285Sikob int s; 1078103285Sikob struct fw_device *fwdev, *next; 1079103285Sikob 1080103285Sikob s = splfw(); 1081103285Sikob fc->status = FWBUSEXPLORE; 1082103285Sikob fc->retry_count = 0; 1083103285Sikob 1084103285Sikob/* 1085103285Sikob * Invalidate all devices, just after bus reset. Devices 1086103285Sikob * to be removed has not been seen longer time. 1087103285Sikob */ 1088103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1089103285Sikob next = TAILQ_NEXT(fwdev, link); 1090103285Sikob if(fwdev->status != FWDEVINVAL){ 1091103285Sikob fwdev->status = FWDEVINVAL; 1092103285Sikob fwdev->rcnt = 0; 1093103285Sikob }else if(fwdev->rcnt < FW_MAXDEVRCNT){ 1094103285Sikob fwdev->rcnt ++; 1095103285Sikob }else{ 1096103285Sikob TAILQ_REMOVE(&fc->devices, fwdev, link); 1097103285Sikob free(fwdev, M_DEVBUF); 1098103285Sikob } 1099103285Sikob } 1100103285Sikob fc->ongonode = 0; 1101103285Sikob fc->ongoaddr = CSRROMOFF; 1102103285Sikob fc->ongodev = NULL; 1103103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1104103285Sikob fw_bus_explore(fc); 1105103285Sikob splx(s); 1106103285Sikob} 1107106790Ssimokawa 1108103285Sikob/* 1109103285Sikob * To collect device informations on the IEEE1394 bus. 1110103285Sikob */ 1111106790Ssimokawastatic void 1112106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1113103285Sikob{ 1114103285Sikob int err = 0; 1115110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1116103285Sikob u_int32_t addr; 1117103285Sikob struct fw_xfer *xfer; 1118103285Sikob struct fw_pkt *fp; 1119103285Sikob 1120103285Sikob if(fc->status != FWBUSEXPLORE) 1121103285Sikob return; 1122103285Sikob 1123103285Sikobloop: 1124103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1125103285Sikob 1126103285Sikob if(fc->ongonode > fc->max_node) goto done; 1127103285Sikob if(fc->ongonode >= 0x3f) goto done; 1128103285Sikob 1129103285Sikob /* check link */ 1130103285Sikob /* XXX we need to check phy_id first */ 1131103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1132103285Sikob printf("fw_bus_explore: node %d link down\n", fc->ongonode); 1133103285Sikob fc->ongonode++; 1134103285Sikob goto loop; 1135103285Sikob } 1136103285Sikob 1137103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1138103285Sikob fc->ongoeui.hi == 0xffffffff && 1139103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1140103285Sikob fc->ongoaddr = CSRROMOFF; 1141103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1142103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1143103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1144103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1145103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1146103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1147103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1148103285Sikob }else if(fc->ongodev == NULL){ 1149103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1150103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1151103285Sikob if(fwdev->eui.hi == fc->ongoeui.hi && fwdev->eui.lo == fc->ongoeui.lo){ 1152103285Sikob break; 1153103285Sikob } 1154103285Sikob } 1155103285Sikob if(fwdev != NULL){ 1156103285Sikob fwdev->dst = fc->ongonode; 1157103285Sikob fwdev->status = FWDEVATTACHED; 1158103285Sikob fc->ongonode++; 1159103285Sikob fc->ongoaddr = CSRROMOFF; 1160103285Sikob fc->ongodev = NULL; 1161103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1162103285Sikob goto loop; 1163103285Sikob } 1164109424Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_DEVBUF, M_NOWAIT); 1165103285Sikob if(fwdev == NULL) 1166103285Sikob return; 1167106810Ssimokawa fwdev->fc = fc; 1168103285Sikob fwdev->rommax = 0; 1169103285Sikob fwdev->dst = fc->ongonode; 1170103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1171103285Sikob fwdev->status = FWDEVINIT; 1172103285Sikob#if 0 1173103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1174103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1175103285Sikob#else 1176103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1177103285Sikob#endif 1178103285Sikob 1179110179Ssimokawa pfwdev = NULL; 1180110179Ssimokawa TAILQ_FOREACH(tfwdev, &fc->devices, link) { 1181110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1182110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1183110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1184110179Ssimokawa break; 1185110179Ssimokawa pfwdev = tfwdev; 1186103285Sikob } 1187110179Ssimokawa if (pfwdev == NULL) 1188110179Ssimokawa TAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1189110179Ssimokawa else 1190110179Ssimokawa TAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1191103285Sikob 1192108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1193107653Ssimokawa linkspeed[fwdev->speed], 1194107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1195103285Sikob 1196103285Sikob fc->ongodev = fwdev; 1197103285Sikob fc->ongoaddr = CSRROMOFF; 1198103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1199103285Sikob }else{ 1200103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1201103285Sikob } 1202103285Sikob#if 0 1203103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1204103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1205103285Sikob fw_bus_explore_callback); 1206103285Sikob if(xfer == NULL) goto done; 1207103285Sikob#else 1208103285Sikob xfer = fw_xfer_alloc(); 1209103285Sikob if(xfer == NULL){ 1210103285Sikob goto done; 1211103285Sikob } 1212103285Sikob xfer->send.len = 16; 1213103285Sikob xfer->spd = 0; 1214109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1215103285Sikob if(xfer->send.buf == NULL){ 1216103285Sikob fw_xfer_free( xfer); 1217103285Sikob return; 1218103285Sikob } 1219103285Sikob 1220103285Sikob xfer->send.off = 0; 1221103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1222103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1223103285Sikob fp->mode.rreqq.tlrt = 0; 1224103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1225103285Sikob fp->mode.rreqq.pri = 0; 1226103285Sikob fp->mode.rreqq.src = 0; 1227103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1228103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1229103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1230103285Sikob xfer->act.hand = fw_bus_explore_callback; 1231103285Sikob 1232103285Sikob err = fw_asyreq(fc, -1, xfer); 1233103285Sikob if(err){ 1234103285Sikob fw_xfer_free( xfer); 1235103285Sikob return; 1236103285Sikob } 1237103285Sikob#endif 1238103285Sikob return; 1239103285Sikobdone: 1240103285Sikob /* fw_attach_devs */ 1241103285Sikob fc->status = FWBUSEXPDONE; 1242107653Ssimokawa if (firewire_debug) 1243107653Ssimokawa printf("bus_explore done\n"); 1244103285Sikob fw_attach_dev(fc); 1245103285Sikob return; 1246103285Sikob 1247103285Sikob} 1248106790Ssimokawa 1249103285Sikob/* Portable Async. request read quad */ 1250106790Ssimokawastruct fw_xfer * 1251106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1252105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1253105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1254103285Sikob{ 1255103285Sikob struct fw_xfer *xfer; 1256103285Sikob struct fw_pkt *fp; 1257103285Sikob int err; 1258103285Sikob 1259103285Sikob xfer = fw_xfer_alloc(); 1260103285Sikob if(xfer == NULL){ 1261103285Sikob return NULL; 1262103285Sikob } 1263103285Sikob xfer->send.len = 16; 1264103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1265109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1266103285Sikob if(xfer->send.buf == NULL){ 1267103285Sikob fw_xfer_free( xfer); 1268103285Sikob return NULL; 1269103285Sikob } 1270103285Sikob 1271103285Sikob xfer->send.off = 0; 1272103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1273103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1274103285Sikob if(tl & FWP_TL_VALID){ 1275103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1276103285Sikob }else{ 1277103285Sikob fp->mode.rreqq.tlrt = 0; 1278103285Sikob } 1279103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1280103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1281103285Sikob fp->mode.rreqq.pri = 0; 1282103285Sikob fp->mode.rreqq.src = 0; 1283103285Sikob xfer->dst = addr_hi >> 16; 1284103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1285103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1286103285Sikob xfer->act.hand = hand; 1287103285Sikob 1288103285Sikob err = fw_asyreq(fc, -1, xfer); 1289103285Sikob if(err){ 1290103285Sikob fw_xfer_free( xfer); 1291103285Sikob return NULL; 1292103285Sikob } 1293103285Sikob return xfer; 1294103285Sikob} 1295106790Ssimokawa 1296103285Sikob/* 1297103285Sikob * Callback for the IEEE1394 bus information collection. 1298103285Sikob */ 1299106790Ssimokawastatic void 1300106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1301106790Ssimokawa{ 1302103285Sikob struct firewire_comm *fc; 1303103285Sikob struct fw_pkt *sfp,*rfp; 1304103285Sikob struct csrhdr *chdr; 1305103285Sikob struct csrdir *csrd; 1306103285Sikob struct csrreg *csrreg; 1307103285Sikob u_int32_t offset; 1308103285Sikob 1309103285Sikob 1310103285Sikob if(xfer == NULL) return; 1311103285Sikob fc = xfer->fc; 1312103285Sikob if(xfer->resp != 0){ 1313103285Sikob printf("resp != 0: node=%d addr=0x%x\n", 1314103285Sikob fc->ongonode, fc->ongoaddr); 1315103285Sikob fc->retry_count++; 1316103285Sikob goto nextnode; 1317103285Sikob } 1318103285Sikob 1319103285Sikob if(xfer->send.buf == NULL){ 1320103285Sikob printf("send.buf == NULL: node=%d addr=0x%x\n", 1321103285Sikob fc->ongonode, fc->ongoaddr); 1322103285Sikob printf("send.buf == NULL\n"); 1323103285Sikob fc->retry_count++; 1324103285Sikob goto nextnode; 1325103285Sikob } 1326103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1327103285Sikob 1328103285Sikob if(xfer->recv.buf == NULL){ 1329103285Sikob printf("recv.buf == NULL: node=%d addr=0x%x\n", 1330103285Sikob fc->ongonode, fc->ongoaddr); 1331103285Sikob fc->retry_count++; 1332103285Sikob goto nextnode; 1333103285Sikob } 1334103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1335103285Sikob#if 0 1336103285Sikob { 1337103285Sikob u_int32_t *qld; 1338103285Sikob int i; 1339103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1340103285Sikob printf("len:%d\n", xfer->recv.len); 1341103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1342103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1343103285Sikob if((i % 16) == 15) printf("\n"); 1344103285Sikob } 1345103285Sikob if((i % 16) != 15) printf("\n"); 1346103285Sikob } 1347103285Sikob#endif 1348103285Sikob if(fc->ongodev == NULL){ 1349103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1350103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1351103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1352103285Sikob/* If CSR is minimul confinguration, more investgation is not needed. */ 1353103285Sikob if(chdr->info_len == 1){ 1354103285Sikob goto nextnode; 1355103285Sikob }else{ 1356103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1357103285Sikob } 1358103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1359103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1360103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1361103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1362103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1363103285Sikob if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 1364103285Sikob goto nextnode; 1365103285Sikob fc->ongoaddr = CSRROMOFF; 1366103285Sikob } 1367103285Sikob }else{ 1368103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1369103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1370103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1371103285Sikob } 1372103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1373103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1374103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1375103285Sikob offset = CSRROMOFF; 1376103285Sikob }else{ 1377103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1378103285Sikob offset = csrd->off; 1379103285Sikob } 1380103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1381103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1382103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1383103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1384103285Sikob if(csrd == NULL){ 1385103285Sikob goto nextnode; 1386103285Sikob }else{ 1387103285Sikob csrd->ongoaddr = fc->ongoaddr; 1388103285Sikob fc->ongoaddr += csrreg->val * 4; 1389103285Sikob csrd->off = fc->ongoaddr; 1390103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1391103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1392103285Sikob goto nextaddr; 1393103285Sikob } 1394103285Sikob } 1395103285Sikob } 1396103285Sikob fc->ongoaddr += 4; 1397103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1398103285Sikob (fc->ongodev->rommax < 0x414)){ 1399103285Sikob if(fc->ongodev->rommax <= 0x414){ 1400103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1401103285Sikob if(csrd == NULL) goto nextnode; 1402103285Sikob csrd->off = fc->ongoaddr; 1403103285Sikob csrd->ongoaddr = fc->ongoaddr; 1404103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1405103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1406103285Sikob } 1407103285Sikob goto nextaddr; 1408103285Sikob } 1409103285Sikob 1410103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1411103285Sikob if(csrd == NULL){ 1412103285Sikob goto nextnode; 1413103285Sikob }; 1414103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1415103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1416103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1417103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1418103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1419103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1420103285Sikob offset = CSRROMOFF; 1421103285Sikob }else{ 1422103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1423103285Sikob offset = csrd->off; 1424103285Sikob } 1425103285Sikob } 1426103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1427103285Sikob goto nextnode; 1428103285Sikob } 1429103285Sikob } 1430103285Sikobnextaddr: 1431103285Sikob fw_xfer_free( xfer); 1432103285Sikob fw_bus_explore(fc); 1433103285Sikob return; 1434103285Sikobnextnode: 1435103285Sikob fw_xfer_free( xfer); 1436103285Sikob fc->ongonode++; 1437103285Sikob/* housekeeping work space */ 1438103285Sikob fc->ongoaddr = CSRROMOFF; 1439103285Sikob fc->ongodev = NULL; 1440103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1441103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1442103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1443103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1444103285Sikob } 1445103285Sikob fw_bus_explore(fc); 1446103285Sikob return; 1447103285Sikob} 1448103285Sikob 1449103285Sikob/* 1450103285Sikob * To obtain CSR register values. 1451103285Sikob */ 1452106815Ssimokawau_int32_t 1453106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1454103285Sikob{ 1455103285Sikob int i; 1456103285Sikob struct csrhdr *chdr; 1457103285Sikob struct csrreg *creg; 1458103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1459103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1460103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1461103285Sikob if(creg->key == key){ 1462103285Sikob return (u_int32_t)creg->val; 1463103285Sikob } 1464103285Sikob } 1465103285Sikob return 0; 1466103285Sikob} 1467106815Ssimokawa 1468103285Sikob/* 1469103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1470103285Sikob */ 1471106815Ssimokawastatic void 1472106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1473103285Sikob{ 1474103285Sikob struct fw_device *fwdev; 1475103285Sikob struct fw_xfer *xfer; 1476103285Sikob int i, err; 1477103285Sikob device_t *devlistp; 1478103285Sikob int devcnt; 1479103285Sikob struct firewire_dev_comm *fdc; 1480108701Ssimokawa u_int32_t spec, ver; 1481103285Sikob 1482103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1483103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1484103285Sikob if(fwdev->status == FWDEVINIT){ 1485108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1486108701Ssimokawa if(spec == 0) 1487103285Sikob continue; 1488108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1489108701Ssimokawa if(ver == 0) 1490103285Sikob continue; 1491103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1492103285Sikob 1493108655Ssimokawa device_printf(fc->bdev, "Device "); 1494108701Ssimokawa switch(spec){ 1495103285Sikob case CSRVAL_ANSIT10: 1496108701Ssimokawa switch(ver){ 1497103285Sikob case CSRVAL_T10SBP2: 1498107653Ssimokawa printf("SBP-II"); 1499103285Sikob break; 1500103285Sikob default: 1501103285Sikob break; 1502103285Sikob } 1503103285Sikob break; 1504103285Sikob case CSRVAL_1394TA: 1505108701Ssimokawa switch(ver){ 1506103285Sikob case CSR_PROTAVC: 1507107653Ssimokawa printf("AV/C"); 1508103285Sikob break; 1509103285Sikob case CSR_PROTCAL: 1510107653Ssimokawa printf("CAL"); 1511103285Sikob break; 1512103285Sikob case CSR_PROTEHS: 1513107653Ssimokawa printf("EHS"); 1514103285Sikob break; 1515103285Sikob case CSR_PROTHAVI: 1516107653Ssimokawa printf("HAVi"); 1517103285Sikob break; 1518103285Sikob case CSR_PROTCAM104: 1519107653Ssimokawa printf("1394 Cam 1.04"); 1520103285Sikob break; 1521103285Sikob case CSR_PROTCAM120: 1522107653Ssimokawa printf("1394 Cam 1.20"); 1523103285Sikob break; 1524103285Sikob case CSR_PROTCAM130: 1525107653Ssimokawa printf("1394 Cam 1.30"); 1526103285Sikob break; 1527103285Sikob case CSR_PROTDPP: 1528107653Ssimokawa printf("1394 Direct print"); 1529103285Sikob break; 1530103285Sikob case CSR_PROTIICP: 1531107653Ssimokawa printf("Industrial & Instrument"); 1532103285Sikob break; 1533103285Sikob default: 1534107653Ssimokawa printf("unknown 1394TA"); 1535103285Sikob break; 1536103285Sikob } 1537103285Sikob break; 1538103285Sikob default: 1539107653Ssimokawa printf("unknown spec"); 1540103285Sikob break; 1541103285Sikob } 1542103285Sikob fwdev->status = FWDEVATTACHED; 1543103285Sikob printf("\n"); 1544103285Sikob } 1545103285Sikob } 1546108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1547103285Sikob if( err != 0 ) 1548103285Sikob return; 1549103285Sikob for( i = 0 ; i < devcnt ; i++){ 1550103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1551103285Sikob fdc = device_get_softc(devlistp[i]); 1552103285Sikob if (fdc->post_explore != NULL) 1553103285Sikob fdc->post_explore(fdc); 1554103285Sikob } 1555103285Sikob } 1556103285Sikob free(devlistp, M_TEMP); 1557103285Sikob 1558103285Sikob /* call pending handlers */ 1559103285Sikob i = 0; 1560103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1561103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1562103285Sikob i++; 1563103285Sikob if (xfer->act.hand) 1564103285Sikob xfer->act.hand(xfer); 1565103285Sikob } 1566103285Sikob if (i > 0) 1567103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1568103285Sikob if (fc->retry_count > 0) { 1569103285Sikob printf("retry_count = %d\n", fc->retry_count); 1570103285Sikob fc->retry_probe_handle = timeout((timeout_t *)fc->ibr, 1571103285Sikob (void *)fc, hz*2); 1572103285Sikob } 1573103285Sikob return; 1574103285Sikob} 1575106815Ssimokawa 1576103285Sikob/* 1577103285Sikob * To allocate uniq transaction label. 1578103285Sikob */ 1579106815Ssimokawastatic int 1580106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1581103285Sikob{ 1582103285Sikob u_int i; 1583103285Sikob struct tlabel *tl, *tmptl; 1584103285Sikob int s; 1585103285Sikob static u_int32_t label = 0; 1586103285Sikob 1587103285Sikob s = splfw(); 1588103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1589103285Sikob label = (label + 1) & 0x3f; 1590103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1591103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1592103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1593103285Sikob } 1594103285Sikob if(tmptl == NULL) { 1595109424Ssimokawa tl = malloc(sizeof(struct tlabel),M_DEVBUF,M_NOWAIT); 1596103285Sikob if (tl == NULL) { 1597103285Sikob splx(s); 1598103285Sikob return (-1); 1599103285Sikob } 1600103285Sikob tl->xfer = xfer; 1601103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1602103285Sikob splx(s); 1603103285Sikob return(label); 1604103285Sikob } 1605103285Sikob } 1606103285Sikob splx(s); 1607103285Sikob 1608103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1609103285Sikob return(-1); 1610103285Sikob} 1611106815Ssimokawa 1612103285Sikob/* 1613103285Sikob * Generic packet receving process. 1614103285Sikob */ 1615106815Ssimokawavoid 1616106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1617103285Sikob{ 1618103285Sikob struct fw_pkt *fp, *resfp; 1619103285Sikob struct fw_xfer *xfer; 1620103285Sikob struct fw_bind *bind; 1621103285Sikob struct firewire_softc *sc; 1622103285Sikob int s; 1623103285Sikob#if 0 1624103285Sikob { 1625103285Sikob u_int32_t *qld; 1626103285Sikob int i; 1627103285Sikob qld = (u_int32_t *)buf; 1628103285Sikob printf("spd %d len:%d\n", spd, len); 1629103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1630103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1631103285Sikob if((i % 16) == 15) printf("\n"); 1632103285Sikob } 1633103285Sikob if((i % 16) != 15) printf("\n"); 1634103285Sikob } 1635103285Sikob#endif 1636103285Sikob fp = (struct fw_pkt *)(buf + off); 1637103285Sikob switch(fp->mode.common.tcode){ 1638103285Sikob case FWTCODE_WRES: 1639103285Sikob case FWTCODE_RRESQ: 1640103285Sikob case FWTCODE_RRESB: 1641103285Sikob case FWTCODE_LRES: 1642103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1643103285Sikob fp->mode.hdr.tlrt >> 2); 1644103285Sikob if(xfer == NULL) { 1645103285Sikob printf("fw_rcv: unknown response " 1646103285Sikob "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 1647103285Sikob fp->mode.common.tcode, 1648103285Sikob ntohs(fp->mode.hdr.src), 1649103285Sikob fp->mode.hdr.tlrt >> 2, 1650103285Sikob fp->mode.hdr.tlrt & 3, 1651103285Sikob fp->mode.rresq.data); 1652103285Sikob#if 1 1653103285Sikob printf("try ad-hoc work around!!\n"); 1654103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1655103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1656103285Sikob if (xfer == NULL) { 1657103285Sikob printf("no use...\n"); 1658103285Sikob goto err; 1659103285Sikob } 1660103285Sikob#else 1661103285Sikob goto err; 1662103285Sikob#endif 1663103285Sikob } 1664103285Sikob switch(xfer->act_type){ 1665103285Sikob case FWACT_XFER: 1666103285Sikob if((xfer->sub >= 0) && 1667103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1668103285Sikob xfer->resp = EINVAL; 1669103285Sikob fw_xfer_done(xfer); 1670103285Sikob goto err; 1671103285Sikob } 1672103285Sikob xfer->recv.len = len; 1673103285Sikob xfer->recv.off = off; 1674103285Sikob xfer->recv.buf = buf; 1675103285Sikob xfer->resp = 0; 1676103285Sikob fw_xfer_done(xfer); 1677103285Sikob return; 1678103285Sikob break; 1679103285Sikob case FWACT_CH: 1680103285Sikob default: 1681103285Sikob goto err; 1682103285Sikob break; 1683103285Sikob } 1684103285Sikob break; 1685103285Sikob case FWTCODE_WREQQ: 1686103285Sikob case FWTCODE_WREQB: 1687103285Sikob case FWTCODE_RREQQ: 1688103285Sikob case FWTCODE_RREQB: 1689103285Sikob case FWTCODE_LREQ: 1690103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1691103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1692103285Sikob if(bind == NULL){ 1693108712Ssimokawa#if __FreeBSD_version >= 500000 1694103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1695108712Ssimokawa#else 1696108712Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x\n", 1697108712Ssimokawa#endif 1698103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1699103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1700103285Sikob fp->mode.common.tcode); 1701103285Sikob if (fc->status == FWBUSRESET) { 1702103285Sikob printf("fw_rcv: cannot response(bus reset)!\n"); 1703103285Sikob goto err; 1704103285Sikob } 1705103285Sikob xfer = fw_xfer_alloc(); 1706103285Sikob if(xfer == NULL){ 1707103285Sikob return; 1708103285Sikob } 1709103285Sikob xfer->spd = spd; 1710109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1711103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1712103285Sikob switch(fp->mode.common.tcode){ 1713103285Sikob case FWTCODE_WREQQ: 1714103285Sikob case FWTCODE_WREQB: 1715103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1716103285Sikob xfer->send.len = 12; 1717103285Sikob break; 1718103285Sikob case FWTCODE_RREQQ: 1719103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1720103285Sikob xfer->send.len = 16; 1721103285Sikob break; 1722103285Sikob case FWTCODE_RREQB: 1723103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1724103285Sikob xfer->send.len = 16; 1725103285Sikob break; 1726103285Sikob case FWTCODE_LREQ: 1727103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1728103285Sikob xfer->send.len = 16; 1729103285Sikob break; 1730103285Sikob } 1731103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1732103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1733103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1734103285Sikob resfp->mode.rresb.rtcode = 7; 1735103285Sikob resfp->mode.rresb.extcode = 0; 1736103285Sikob resfp->mode.rresb.len = 0; 1737103285Sikob/* 1738103285Sikob xfer->act.hand = fw_asy_callback; 1739103285Sikob*/ 1740103285Sikob xfer->act.hand = fw_xfer_free; 1741103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1742103285Sikob fw_xfer_free( xfer); 1743103285Sikob return; 1744103285Sikob } 1745103285Sikob goto err; 1746103285Sikob } 1747103285Sikob switch(bind->xfer->act_type){ 1748103285Sikob case FWACT_XFER: 1749103285Sikob xfer = fw_xfer_alloc(); 1750103285Sikob if(xfer == NULL) goto err; 1751103285Sikob xfer->fc = bind->xfer->fc; 1752103285Sikob xfer->sc = bind->xfer->sc; 1753103285Sikob xfer->recv.buf = buf; 1754103285Sikob xfer->recv.len = len; 1755103285Sikob xfer->recv.off = off; 1756103285Sikob xfer->spd = spd; 1757103285Sikob xfer->act.hand = bind->xfer->act.hand; 1758103285Sikob if (fc->status != FWBUSRESET) 1759103285Sikob xfer->act.hand(xfer); 1760103285Sikob else 1761103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1762103285Sikob return; 1763103285Sikob break; 1764103285Sikob case FWACT_CH: 1765103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1766103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1767108655Ssimokawa device_printf(fc->bdev, 1768108655Ssimokawa "Discard a packet %x %d\n", 1769103285Sikob bind->xfer->sub, 1770103285Sikob fc->ir[bind->xfer->sub]->queued); 1771103285Sikob goto err; 1772103285Sikob } 1773103285Sikob xfer = fw_xfer_alloc(); 1774103285Sikob if(xfer == NULL) goto err; 1775103285Sikob xfer->recv.buf = buf; 1776103285Sikob xfer->recv.len = len; 1777103285Sikob xfer->recv.off = off; 1778103285Sikob xfer->spd = spd; 1779103285Sikob s = splfw(); 1780103285Sikob fc->ir[bind->xfer->sub]->queued++; 1781103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1782103285Sikob splx(s); 1783103285Sikob 1784103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1785103285Sikob 1786103285Sikob return; 1787103285Sikob break; 1788103285Sikob default: 1789103285Sikob goto err; 1790103285Sikob break; 1791103285Sikob } 1792103285Sikob break; 1793103285Sikob case FWTCODE_STREAM: 1794103285Sikob { 1795103285Sikob struct fw_xferq *xferq; 1796103285Sikob 1797103285Sikob xferq = fc->ir[sub]; 1798103285Sikob#if 0 1799103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1800103285Sikob sub, len, off, spd); 1801103285Sikob#endif 1802103285Sikob if(xferq->queued >= xferq->maxq) { 1803103285Sikob printf("receive queue is full\n"); 1804103285Sikob goto err; 1805103285Sikob } 1806103285Sikob xfer = fw_xfer_alloc(); 1807103285Sikob if(xfer == NULL) goto err; 1808103285Sikob xfer->recv.buf = buf; 1809103285Sikob xfer->recv.len = len; 1810103285Sikob xfer->recv.off = off; 1811103285Sikob xfer->spd = spd; 1812103285Sikob s = splfw(); 1813103285Sikob xferq->queued++; 1814103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1815103285Sikob splx(s); 1816103285Sikob sc = device_get_softc(fc->bdev); 1817103285Sikob#if __FreeBSD_version >= 500000 1818103285Sikob if (SEL_WAITING(&xferq->rsel)) 1819103285Sikob#else 1820103285Sikob if (&xferq->rsel.si_pid != 0) 1821103285Sikob#endif 1822103285Sikob selwakeup(&xferq->rsel); 1823103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1824103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1825103285Sikob wakeup((caddr_t)xferq); 1826103285Sikob } 1827103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1828103285Sikob xferq->hand(xferq); 1829103285Sikob } 1830103285Sikob return; 1831103285Sikob break; 1832103285Sikob } 1833103285Sikob default: 1834103285Sikob printf("fw_rcv: unknow tcode\n"); 1835103285Sikob break; 1836103285Sikob } 1837103285Sikoberr: 1838103285Sikob free(buf, M_DEVBUF); 1839103285Sikob} 1840106815Ssimokawa 1841103285Sikob/* 1842103285Sikob * Post process for Bus Manager election process. 1843103285Sikob */ 1844103285Sikobstatic void 1845103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1846103285Sikob{ 1847109422Ssimokawa struct fw_pkt *rfp; 1848103285Sikob struct firewire_comm *fc; 1849109422Ssimokawa int bmr; 1850103285Sikob 1851109422Ssimokawa if (xfer == NULL) 1852109422Ssimokawa return; 1853103285Sikob fc = xfer->fc; 1854109422Ssimokawa if (xfer->resp != 0) 1855103285Sikob goto error; 1856109422Ssimokawa if (xfer->send.buf == NULL) 1857103285Sikob goto error; 1858109422Ssimokawa if (xfer->recv.buf == NULL) 1859103285Sikob goto error; 1860103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1861109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1862109422Ssimokawa goto error; 1863109422Ssimokawa 1864109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1865109422Ssimokawa if (bmr == 0x3f) 1866109422Ssimokawa bmr = fc->nodeid; 1867109422Ssimokawa 1868109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1869108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 1870108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1871109422Ssimokawa if(bmr == fc->nodeid){ 1872103285Sikob printf("(me)\n"); 1873110072Ssimokawa fw_bmr(fc); 1874103285Sikob }else{ 1875103285Sikob printf("\n"); 1876103285Sikob } 1877103285Sikoberror: 1878103285Sikob fw_xfer_free(xfer); 1879103285Sikob} 1880106815Ssimokawa 1881103285Sikob/* 1882103285Sikob * To candidate Bus Manager election process. 1883103285Sikob */ 1884106815Ssimokawavoid 1885106815Ssimokawafw_try_bmr(void *arg) 1886103285Sikob{ 1887103285Sikob struct fw_xfer *xfer; 1888103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1889103285Sikob struct fw_pkt *fp; 1890103285Sikob int err = 0; 1891103285Sikob 1892103285Sikob xfer = fw_xfer_alloc(); 1893103285Sikob if(xfer == NULL){ 1894103285Sikob return; 1895103285Sikob } 1896103285Sikob xfer->send.len = 24; 1897103285Sikob xfer->spd = 0; 1898109424Ssimokawa xfer->send.buf = malloc(24, M_DEVBUF, M_NOWAIT); 1899103285Sikob if(xfer->send.buf == NULL){ 1900103285Sikob fw_xfer_free( xfer); 1901103285Sikob return; 1902103285Sikob } 1903103285Sikob 1904103285Sikob fc->status = FWBUSMGRELECT; 1905103285Sikob 1906103285Sikob xfer->send.off = 0; 1907103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1908103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 1909103285Sikob fp->mode.lreq.tlrt = 0; 1910103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 1911103285Sikob fp->mode.lreq.pri = 0; 1912103285Sikob fp->mode.lreq.src = 0; 1913103285Sikob fp->mode.lreq.len = htons(8); 1914103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 1915103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 1916103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 1917103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 1918109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 1919109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 1920103285Sikob xfer->act_type = FWACT_XFER; 1921103285Sikob xfer->act.hand = fw_try_bmr_callback; 1922103285Sikob 1923103285Sikob err = fw_asyreq(fc, -1, xfer); 1924103285Sikob if(err){ 1925103285Sikob fw_xfer_free( xfer); 1926103285Sikob return; 1927103285Sikob } 1928103285Sikob return; 1929103285Sikob} 1930106543Ssimokawa 1931106543Ssimokawa#ifdef FW_VMACCESS 1932103285Sikob/* 1933103285Sikob * Software implementation for physical memory block access. 1934103285Sikob * XXX:Too slow, usef for debug purpose only. 1935103285Sikob */ 1936106815Ssimokawastatic void 1937106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 1938103285Sikob struct fw_pkt *rfp, *sfp = NULL; 1939103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 1940103285Sikob 1941103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 1942103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1943103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1944103285Sikob if(xfer->resp != 0){ 1945103285Sikob fw_xfer_free( xfer); 1946103285Sikob return; 1947103285Sikob } 1948103285Sikob if(xfer->recv.buf == NULL){ 1949103285Sikob fw_xfer_free( xfer); 1950103285Sikob return; 1951103285Sikob } 1952103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1953103285Sikob switch(rfp->mode.hdr.tcode){ 1954103285Sikob /* XXX need fix for 64bit arch */ 1955103285Sikob case FWTCODE_WREQB: 1956103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 1957103285Sikob xfer->send.len = 12; 1958103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1959103285Sikob bcopy(rfp->mode.wreqb.payload, 1960103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 1961103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 1962103285Sikob sfp->mode.wres.rtcode = 0; 1963103285Sikob break; 1964103285Sikob case FWTCODE_WREQQ: 1965103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 1966103285Sikob xfer->send.len = 12; 1967103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 1968103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 1969103285Sikob sfp->mode.wres.rtcode = 0; 1970103285Sikob break; 1971103285Sikob case FWTCODE_RREQB: 1972103285Sikob xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_DEVBUF, M_NOWAIT); 1973103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 1974103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1975103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 1976103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 1977103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 1978103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 1979103285Sikob sfp->mode.rresb.rtcode = 0; 1980103285Sikob sfp->mode.rresb.extcode = 0; 1981103285Sikob break; 1982103285Sikob case FWTCODE_RREQQ: 1983103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1984103285Sikob xfer->send.len = 16; 1985103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1986103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 1987103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 1988103285Sikob sfp->mode.rresb.rtcode = 0; 1989103285Sikob break; 1990103285Sikob default: 1991103285Sikob fw_xfer_free( xfer); 1992103285Sikob return; 1993103285Sikob } 1994103285Sikob xfer->send.off = 0; 1995103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 1996103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 1997103285Sikob xfer->act.hand = fw_xfer_free; 1998103285Sikob xfer->retry_req = fw_asybusy; 1999103285Sikob 2000103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2001103285Sikob sfp->mode.hdr.pri = 0; 2002103285Sikob 2003103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2004103285Sikob/**/ 2005103285Sikob return; 2006103285Sikob} 2007106543Ssimokawa#endif 2008106543Ssimokawa 2009103285Sikob/* 2010103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2011103285Sikob */ 2012106815Ssimokawau_int16_t 2013106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2014103285Sikob u_int32_t i, sum, crc = 0; 2015103285Sikob int shift; 2016103285Sikob len = (len + 3) & ~3; 2017103285Sikob for(i = 0 ; i < len ; i+= 4){ 2018103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2019103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2020103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2021103285Sikob } 2022103285Sikob crc &= 0xffff; 2023103285Sikob } 2024103285Sikob return((u_int16_t) crc); 2025103285Sikob} 2026106815Ssimokawa 2027110072Ssimokawaint 2028110072Ssimokawafw_bmr(struct firewire_comm *fc) 2029110072Ssimokawa{ 2030110072Ssimokawa struct fw_device fwdev; 2031110072Ssimokawa int cmstr; 2032110072Ssimokawa 2033110072Ssimokawa /* XXX Assume that the current root node is cycle master capable */ 2034110072Ssimokawa cmstr = fc->max_node; 2035110072Ssimokawa /* If I am the bus manager, optimize gapcount */ 2036110072Ssimokawa if(fc->max_hop <= MAX_GAPHOP ){ 2037110072Ssimokawa fw_phy_config(fc, (fc->max_node > 0)?cmstr:-1, 2038110072Ssimokawa gap_cnt[fc->max_hop]); 2039110072Ssimokawa } 2040110072Ssimokawa /* If we are the cycle master, nothing to do */ 2041110072Ssimokawa if (cmstr == fc->nodeid) 2042110072Ssimokawa return 0; 2043110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2044110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2045110072Ssimokawa fwdev.fc = fc; 2046110072Ssimokawa fwdev.dst = cmstr; 2047110072Ssimokawa fwdev.speed = 0; 2048110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2049110072Ssimokawa fwdev.status = FWDEVINIT; 2050110072Ssimokawa /* Set cmstr bit on the cycle master */ 2051110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2052110072Ssimokawa 0xffff, 0xf0000000 | STATE_SET, 1 << 16, 2053110072Ssimokawa fw_asy_callback_free); 2054110072Ssimokawa 2055110072Ssimokawa return 0; 2056110072Ssimokawa} 2057110072Ssimokawa 2058103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2059103285SikobMODULE_VERSION(firewire, 1); 2060