firewire.c revision 110016
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 110016 2003-01-29 02:13:31Z 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> 57103285Sikob#include <dev/firewire/iec13213.h> 58103285Sikob#include <dev/firewire/iec68113.h> 59103285Sikob 60109736Ssimokawaint firewire_debug=0, try_bmr=1; 61103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 62108281Ssimokawa "FireWire driver debug flag"); 63109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 64109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 65109736Ssimokawa "Try to be a bus manager"); 66103285Sikob 67103285Sikob#define FW_MAXASYRTY 4 68103285Sikob#define FW_MAXDEVRCNT 4 69103285Sikob 70103285Sikob#define XFER_TIMEOUT 0 71103285Sikob 72103285Sikobdevclass_t firewire_devclass; 73103285Sikob 74103285Sikobstatic int firewire_match __P((device_t)); 75103285Sikobstatic int firewire_attach __P((device_t)); 76103285Sikobstatic int firewire_detach __P((device_t)); 77103285Sikob#if 0 78103285Sikobstatic int firewire_shutdown __P((device_t)); 79103285Sikob#endif 80103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 81103285Sikobstatic void fw_try_bmr __P((void *)); 82103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 83103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 84103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 85103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 86103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 87103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 88103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 89106543Ssimokawa#ifdef FW_VMACCESS 90103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 91106543Ssimokawa#endif 92103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 93105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 94103285Sikob 95103285Sikobstatic device_method_t firewire_methods[] = { 96103285Sikob /* Device interface */ 97103285Sikob DEVMETHOD(device_probe, firewire_match), 98103285Sikob DEVMETHOD(device_attach, firewire_attach), 99103285Sikob DEVMETHOD(device_detach, firewire_detach), 100108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 101108642Ssimokawa DEVMETHOD(device_resume, bus_generic_resume), 102103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 103103285Sikob 104103285Sikob /* Bus interface */ 105103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 106103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 107103285Sikob 108103285Sikob { 0, 0 } 109103285Sikob}; 110103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 111103285Sikob 112103285Sikob#define MAX_GAPHOP 16 113103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 114103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 115106813Ssimokawa 116106813Ssimokawaextern struct cdevsw firewire_cdevsw; 117106813Ssimokawa 118103285Sikobstatic driver_t firewire_driver = { 119103285Sikob "firewire", 120103285Sikob firewire_methods, 121103285Sikob sizeof(struct firewire_softc), 122103285Sikob}; 123103285Sikob 124103285Sikob/* 125103285Sikob * To lookup node id. from EUI64. 126103285Sikob */ 127106810Ssimokawastruct fw_device * 128106790Ssimokawafw_noderesolve(struct firewire_comm *fc, struct fw_eui64 eui) 129103285Sikob{ 130103285Sikob struct fw_device *fwdev; 131103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 132103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 133103285Sikob if(fwdev->eui.hi == eui.hi && fwdev->eui.lo == eui.lo){ 134103285Sikob break; 135103285Sikob } 136103285Sikob } 137106810Ssimokawa if(fwdev == NULL) return NULL; 138106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 139106810Ssimokawa return fwdev; 140103285Sikob} 141106813Ssimokawa 142103285Sikob/* 143103285Sikob * Async. request procedure for userland application. 144103285Sikob */ 145103285Sikobint 146103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 147103285Sikob{ 148103285Sikob int err = 0; 149103285Sikob struct fw_xferq *xferq; 150103285Sikob int tl = 0, len; 151103285Sikob struct fw_pkt *fp; 152103285Sikob int tcode; 153103285Sikob struct tcode_info *info; 154103285Sikob 155103285Sikob if(xfer == NULL) return EINVAL; 156108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 157103285Sikob printf("send.len > maxrec\n"); 158103285Sikob return EINVAL; 159103285Sikob } 160103285Sikob if(xfer->act.hand == NULL){ 161103285Sikob printf("act.hand == NULL\n"); 162103285Sikob return EINVAL; 163103285Sikob } 164103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 165103285Sikob 166103285Sikob tcode = fp->mode.common.tcode & 0xf; 167103285Sikob info = &fc->tcode[tcode]; 168103285Sikob if (info->flag == 0) { 169103285Sikob printf("invalid tcode=%d\n", tcode); 170103285Sikob return EINVAL; 171103285Sikob } 172103285Sikob if (info->flag & FWTI_REQ) 173103285Sikob xferq = fc->atq; 174103285Sikob else 175103285Sikob xferq = fc->ats; 176103285Sikob len = info->hdr_len; 177103285Sikob if (info->flag & FWTI_BLOCK_STR) 178103285Sikob len += ntohs(fp->mode.stream.len); 179103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 180103285Sikob len += ntohs(fp->mode.rresb.len); 181103285Sikob if( len > xfer->send.len ){ 182103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 183103285Sikob len, xfer->send.len, tcode); 184103285Sikob return EINVAL; 185103285Sikob } 186103285Sikob xfer->send.len = len; 187106790Ssimokawa 188103285Sikob if(xferq->start == NULL){ 189103285Sikob printf("xferq->start == NULL\n"); 190103285Sikob return EINVAL; 191103285Sikob } 192103285Sikob if(!(xferq->queued < xferq->maxq)){ 193108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 194108655Ssimokawa xferq->queued); 195103285Sikob return EINVAL; 196103285Sikob } 197103285Sikob 198103285Sikob 199103285Sikob if (info->flag & FWTI_TLABEL) { 200103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 201103285Sikob return EIO; 202103285Sikob fp->mode.hdr.tlrt = tl << 2; 203103285Sikob } 204103285Sikob 205103285Sikob xfer->tl = tl; 206103285Sikob xfer->tcode = tcode; 207103285Sikob xfer->resp = 0; 208103285Sikob xfer->fc = fc; 209103285Sikob xfer->q = xferq; 210103285Sikob xfer->act_type = FWACT_XFER; 211103285Sikob xfer->retry_req = fw_asybusy; 212103285Sikob 213103285Sikob fw_asystart(xfer); 214103285Sikob return err; 215103285Sikob} 216103285Sikob/* 217103285Sikob * Wakeup blocked process. 218103285Sikob */ 219103285Sikobvoid 220103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 221103285Sikob wakeup(xfer); 222103285Sikob return; 223103285Sikob} 224103285Sikob/* 225103285Sikob * Postpone to later retry. 226103285Sikob */ 227103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 228106815Ssimokawa#if 1 229103285Sikob printf("fw_asybusy\n"); 230103285Sikob#endif 231103285Sikob#if XFER_TIMEOUT 232103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 233103285Sikob#endif 234103285Sikob/* 235103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 236103285Sikob*/ 237103285Sikob DELAY(20000); 238103285Sikob fw_asystart(xfer); 239103285Sikob return; 240103285Sikob} 241103285Sikob#if XFER_TIMEOUT 242103285Sikob/* 243103285Sikob * Post timeout for async. request. 244103285Sikob */ 245103285Sikobvoid 246103285Sikobfw_xfer_timeout(void *arg) 247103285Sikob{ 248103285Sikob int s; 249103285Sikob struct fw_xfer *xfer; 250103285Sikob 251103285Sikob xfer = (struct fw_xfer *)arg; 252103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 253103285Sikob /* XXX set error code */ 254103285Sikob s = splfw(); 255103285Sikob xfer->act.hand(xfer); 256103285Sikob splx(s); 257103285Sikob} 258103285Sikob#endif 259103285Sikob/* 260103285Sikob * Async. request with given xfer structure. 261103285Sikob */ 262106790Ssimokawastatic void 263106790Ssimokawafw_asystart(struct fw_xfer *xfer) 264106790Ssimokawa{ 265103285Sikob struct firewire_comm *fc = xfer->fc; 266103285Sikob int s; 267103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 268103285Sikob xfer->resp = EBUSY; 269103285Sikob xfer->state = FWXF_BUSY; 270103285Sikob xfer->act.hand(xfer); 271103285Sikob return; 272103285Sikob } 273103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 274103285Sikob if (fc->status < FWBUSEXPLORE) { 275103285Sikob xfer->resp = EAGAIN; 276103285Sikob xfer->state = FWXF_BUSY; 277103285Sikob if (xfer->act.hand != NULL) 278103285Sikob xfer->act.hand(xfer); 279103285Sikob return; 280103285Sikob } 281103285Sikob#endif 282103285Sikob s = splfw(); 283103285Sikob xfer->state = FWXF_INQ; 284103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 285103285Sikob xfer->q->queued ++; 286103285Sikob splx(s); 287103285Sikob /* XXX just queue for mbuf */ 288103285Sikob if (xfer->mbuf == NULL) 289103285Sikob xfer->q->start(fc); 290103285Sikob#if XFER_TIMEOUT 291103285Sikob if (xfer->act.hand != NULL) 292103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 293103285Sikob#endif 294103285Sikob return; 295103285Sikob} 296106790Ssimokawa 297103285Sikobstatic int 298103285Sikobfirewire_match( device_t dev ) 299103285Sikob{ 300108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 301103285Sikob return -140; 302103285Sikob} 303106790Ssimokawa 304103285Sikob/* 305103285Sikob * The attach routine. 306103285Sikob */ 307103285Sikobstatic int 308103285Sikobfirewire_attach( device_t dev ) 309103285Sikob{ 310103285Sikob int i, unitmask, mn; 311103285Sikob struct firewire_softc *sc = device_get_softc(dev); 312103285Sikob device_t pa = device_get_parent(dev); 313103285Sikob struct firewire_comm *fc; 314103285Sikob dev_t d; 315103285Sikob 316103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 317103285Sikob sc->fc = fc; 318103285Sikob 319103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 320103285Sikob 321103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 322103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 323103285Sikob mn = unitmask | i; 324103285Sikob /* XXX device name should be improved */ 325103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 326108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 327103285Sikob "fw%x", mn); 328103285Sikob#if __FreeBSD_version >= 500000 329103285Sikob if (i == 0) 330103285Sikob sc->dev = d; 331103285Sikob else 332103285Sikob dev_depends(sc->dev, d); 333103285Sikob#else 334103285Sikob sc->dev[i] = d; 335103285Sikob#endif 336103285Sikob } 337103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 338108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 339103285Sikob "fwmem%d", device_get_unit(dev)); 340103285Sikob#if __FreeBSD_version >= 500000 341103285Sikob dev_depends(sc->dev, d); 342103285Sikob#else 343103285Sikob sc->dev[i] = d; 344103285Sikob#endif 345103285Sikob sc->fc->timeouthandle = timeout((timeout_t *)sc->fc->timeout, (void *)sc->fc, hz * 10); 346103285Sikob 347108853Ssimokawa callout_init(&sc->fc->busprobe_callout 348108853Ssimokawa#if __FreeBSD_version >= 500000 349108853Ssimokawa , /* mpsafe? */ 0); 350108853Ssimokawa#else 351108853Ssimokawa ); 352108853Ssimokawa#endif 353108853Ssimokawa 354103285Sikob /* Locate our children */ 355103285Sikob bus_generic_probe(dev); 356103285Sikob 357103285Sikob /* launch attachement of the added children */ 358103285Sikob bus_generic_attach(dev); 359103285Sikob 360103285Sikob /* bus_reset */ 361103285Sikob fc->ibr(fc); 362103285Sikob 363103285Sikob return 0; 364103285Sikob} 365103285Sikob 366103285Sikob/* 367103285Sikob * Attach it as child. 368103285Sikob */ 369103285Sikobstatic device_t 370103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 371103285Sikob{ 372103285Sikob device_t child; 373103285Sikob struct firewire_softc *sc; 374103285Sikob 375103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 376103285Sikob child = device_add_child(dev, name, unit); 377103285Sikob if (child) { 378103285Sikob device_set_ivars(child, sc->fc); 379103285Sikob device_probe_and_attach(child); 380103285Sikob } 381103285Sikob 382103285Sikob return child; 383103285Sikob} 384106790Ssimokawa 385103285Sikob/* 386103285Sikob * Dettach it. 387103285Sikob */ 388103285Sikobstatic int 389103285Sikobfirewire_detach( device_t dev ) 390103285Sikob{ 391103285Sikob struct firewire_softc *sc; 392103285Sikob 393103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 394106790Ssimokawa 395103285Sikob#if __FreeBSD_version >= 500000 396103285Sikob destroy_dev(sc->dev); 397103285Sikob#else 398103285Sikob { 399103285Sikob int j; 400103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 401103285Sikob destroy_dev(sc->dev[j]); 402103285Sikob } 403103285Sikob#endif 404103285Sikob /* XXX xfree_free and untimeout on all xfers */ 405103285Sikob untimeout((timeout_t *)sc->fc->timeout, sc->fc, sc->fc->timeouthandle); 406103285Sikob free(sc->fc->topology_map, M_DEVBUF); 407103285Sikob free(sc->fc->speed_map, M_DEVBUF); 408103285Sikob bus_generic_detach(dev); 409103285Sikob return(0); 410103285Sikob} 411103285Sikob#if 0 412103285Sikobstatic int 413103285Sikobfirewire_shutdown( device_t dev ) 414103285Sikob{ 415103285Sikob return 0; 416103285Sikob} 417103285Sikob#endif 418106790Ssimokawa 419103285Sikob/* 420106790Ssimokawa * Called after bus reset. 421103285Sikob */ 422106790Ssimokawavoid 423106790Ssimokawafw_busreset(struct firewire_comm *fc) 424103285Sikob{ 425103285Sikob int i; 426103285Sikob struct fw_xfer *xfer; 427103285Sikob 428103285Sikob switch(fc->status){ 429103285Sikob case FWBUSMGRELECT: 430103285Sikob untimeout((timeout_t *)fw_try_bmr, (void *)fc, fc->bmrhandle); 431103285Sikob break; 432103285Sikob default: 433103285Sikob break; 434103285Sikob } 435103285Sikob fc->status = FWBUSRESET; 436103285Sikob/* XXX: discard all queued packet */ 437103285Sikob while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 438103285Sikob STAILQ_REMOVE_HEAD(&fc->atq->q, link); 439103285Sikob xfer->resp = EAGAIN; 440103285Sikob switch(xfer->act_type){ 441103285Sikob case FWACT_XFER: 442103285Sikob fw_xfer_done(xfer); 443103285Sikob break; 444103285Sikob default: 445103285Sikob break; 446103285Sikob } 447103285Sikob fw_xfer_free( xfer); 448103285Sikob } 449103285Sikob while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 450103285Sikob STAILQ_REMOVE_HEAD(&fc->ats->q, link); 451103285Sikob xfer->resp = EAGAIN; 452103285Sikob switch(xfer->act_type){ 453103285Sikob case FWACT_XFER: 454103285Sikob fw_xfer_done(xfer); 455103285Sikob default: 456103285Sikob break; 457103285Sikob } 458103285Sikob fw_xfer_free( xfer); 459103285Sikob } 460103285Sikob for(i = 0; i < fc->nisodma; i++) 461103285Sikob while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 462103285Sikob STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 463103285Sikob xfer->resp = 0; 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 474103285Sikob CSRARC(fc, STATE_CLEAR) 475103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 476103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 477103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 478103285Sikob 479103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 480103285Sikob fc->irm = -1; 481103285Sikob 482103285Sikob fc->max_node = -1; 483103285Sikob 484103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 485103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 486103285Sikob } 487103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 488103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 489103285Sikob CSRARC(fc, RESET_START) = 0; 490103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 491103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 492103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 493103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 494103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 495103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 496103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 497103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 498103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 499103285Sikob 500103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 501103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 502103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 503103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 504103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 505103285Sikob 506103285Sikob/* DV depend CSRs see blue book */ 507103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 508103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 509103285Sikob 510103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 511103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 512103285Sikob} 513106790Ssimokawa 514103285Sikob/* Call once after reboot */ 515106790Ssimokawavoid fw_init(struct firewire_comm *fc) 516103285Sikob{ 517103285Sikob int i; 518106543Ssimokawa struct csrdir *csrd; 519106543Ssimokawa#ifdef FW_VMACCESS 520103285Sikob struct fw_xfer *xfer; 521103285Sikob struct fw_bind *fwb; 522106543Ssimokawa#endif 523103285Sikob 524103285Sikob fc->max_asyretry = FW_MAXASYRTY; 525103285Sikob 526103285Sikob fc->arq->queued = 0; 527103285Sikob fc->ars->queued = 0; 528103285Sikob fc->atq->queued = 0; 529103285Sikob fc->ats->queued = 0; 530103285Sikob 531109379Ssimokawa fc->arq->psize = PAGE_SIZE; 532109379Ssimokawa fc->ars->psize = PAGE_SIZE; 533109379Ssimokawa fc->atq->psize = 0; 534109379Ssimokawa fc->ats->psize = 0; 535103285Sikob 536103285Sikob 537103285Sikob fc->arq->buf = NULL; 538103285Sikob fc->ars->buf = NULL; 539103285Sikob fc->atq->buf = NULL; 540103285Sikob fc->ats->buf = NULL; 541103285Sikob 542103285Sikob fc->arq->flag = FWXFERQ_PACKET; 543103285Sikob fc->ars->flag = FWXFERQ_PACKET; 544103285Sikob fc->atq->flag = FWXFERQ_PACKET; 545103285Sikob fc->ats->flag = FWXFERQ_PACKET; 546103285Sikob 547103285Sikob STAILQ_INIT(&fc->atq->q); 548103285Sikob STAILQ_INIT(&fc->ats->q); 549103285Sikob 550103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 551103285Sikob fc->it[i]->queued = 0; 552103285Sikob fc->ir[i]->queued = 0; 553103285Sikob 554103285Sikob fc->it[i]->start = NULL; 555103285Sikob fc->ir[i]->start = NULL; 556103285Sikob 557103285Sikob fc->it[i]->buf = NULL; 558103285Sikob fc->ir[i]->buf = NULL; 559103285Sikob 560103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 561103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 562103285Sikob 563103285Sikob STAILQ_INIT(&fc->it[i]->q); 564103285Sikob STAILQ_INIT(&fc->ir[i]->q); 565103285Sikob 566103285Sikob STAILQ_INIT(&fc->it[i]->binds); 567103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 568103285Sikob } 569103285Sikob 570103285Sikob fc->arq->maxq = FWMAXQUEUE; 571103285Sikob fc->ars->maxq = FWMAXQUEUE; 572103285Sikob fc->atq->maxq = FWMAXQUEUE; 573103285Sikob fc->ats->maxq = FWMAXQUEUE; 574103285Sikob 575103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 576103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 577103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 578103285Sikob } 579103285Sikob/* Initialize csr registers */ 580103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 581103285Sikob sizeof(struct fw_topology_map), 582109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 583103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 584103285Sikob sizeof(struct fw_speed_map), 585109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 586103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 587103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 588103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 589103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 590103285Sikob 591103285Sikob TAILQ_INIT(&fc->devices); 592103285Sikob STAILQ_INIT(&fc->pending); 593103285Sikob 594103285Sikob/* Initialize csr ROM work space */ 595103285Sikob SLIST_INIT(&fc->ongocsr); 596103285Sikob SLIST_INIT(&fc->csrfree); 597103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 598109424Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_DEVBUF,M_NOWAIT); 599103285Sikob if(csrd == NULL) break; 600103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 601103285Sikob } 602103285Sikob 603103285Sikob/* Initialize Async handlers */ 604103285Sikob STAILQ_INIT(&fc->binds); 605103285Sikob for( i = 0 ; i < 0x40 ; i++){ 606103285Sikob STAILQ_INIT(&fc->tlabels[i]); 607103285Sikob } 608103285Sikob 609103285Sikob/* DV depend CSRs see blue book */ 610103285Sikob#if 0 611103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 612103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 613103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 614103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 615103285Sikob } 616103285Sikob 617103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 618103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 619103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 620103285Sikob CSRARC(fc, i + iPCR) = 0x0; 621103285Sikob } 622103285Sikob#endif 623103285Sikob 624103285Sikob 625106543Ssimokawa#ifdef FW_VMACCESS 626103285Sikob xfer = fw_xfer_alloc(); 627103285Sikob if(xfer == NULL) return; 628103285Sikob 629109424Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_NOWAIT); 630103285Sikob if(fwb == NULL){ 631103285Sikob fw_xfer_free(xfer); 632103285Sikob } 633103285Sikob xfer->act.hand = fw_vmaccess; 634103285Sikob xfer->act_type = FWACT_XFER; 635103285Sikob xfer->fc = fc; 636103285Sikob xfer->sc = NULL; 637103285Sikob 638103285Sikob fwb->start_hi = 0x2; 639103285Sikob fwb->start_lo = 0; 640103285Sikob fwb->addrlen = 0xffffffff; 641103285Sikob fwb->xfer = xfer; 642103285Sikob fw_bindadd(fc, fwb); 643106543Ssimokawa#endif 644103285Sikob} 645106790Ssimokawa 646103285Sikob/* 647103285Sikob * To lookup binded process from IEEE1394 address. 648103285Sikob */ 649106813Ssimokawastruct fw_bind * 650106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 651103285Sikob{ 652103285Sikob struct fw_bind *tfw; 653103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 654103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 655103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 656103285Sikob tfw->start_hi == dest_hi && 657103285Sikob tfw->start_lo <= dest_lo && 658103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 659103285Sikob return(tfw); 660103285Sikob } 661103285Sikob } 662103285Sikob return(NULL); 663103285Sikob} 664106790Ssimokawa 665103285Sikob/* 666103285Sikob * To bind IEEE1394 address block to process. 667103285Sikob */ 668106790Ssimokawaint 669106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 670103285Sikob{ 671103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 672103285Sikob int err = 0; 673103285Sikob tfw = STAILQ_FIRST(&fc->binds); 674103285Sikob if(tfw == NULL){ 675103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 676103285Sikob goto out; 677103285Sikob } 678103285Sikob if((tfw->start_hi > fwb->start_hi) || 679103285Sikob (tfw->start_hi == fwb->start_hi && 680103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 681103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 682103285Sikob goto out; 683103285Sikob } 684103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 685103285Sikob if((tfw->start_hi < fwb->start_hi) || 686103285Sikob (tfw->start_hi == fwb->start_hi && 687103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 688103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 689103285Sikob if(tfw2 == NULL) 690103285Sikob break; 691103285Sikob if((tfw2->start_hi > fwb->start_hi) || 692103285Sikob (tfw2->start_hi == fwb->start_hi && 693103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 694103285Sikob break; 695103285Sikob }else{ 696103285Sikob err = EBUSY; 697103285Sikob goto out; 698103285Sikob } 699103285Sikob } 700103285Sikob } 701103285Sikob if(tfw != NULL){ 702103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 703103285Sikob }else{ 704103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 705103285Sikob } 706103285Sikobout: 707103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 708103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 709103285Sikob } 710103285Sikob return err; 711103285Sikob} 712103285Sikob 713103285Sikob/* 714103285Sikob * To free IEEE1394 address block. 715103285Sikob */ 716106790Ssimokawaint 717106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 718103285Sikob{ 719103285Sikob int s; 720103285Sikob 721103285Sikob s = splfw(); 722103285Sikob /* shall we check the existance? */ 723103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 724103285Sikob splx(s); 725103285Sikob if (fwb->xfer) 726103285Sikob fw_xfer_free(fwb->xfer); 727103285Sikob 728103285Sikob return 0; 729103285Sikob} 730103285Sikob 731103285Sikob/* 732103285Sikob * To free transaction label. 733103285Sikob */ 734106790Ssimokawastatic void 735106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 736103285Sikob{ 737103285Sikob struct tlabel *tl; 738103285Sikob int s = splfw(); 739103285Sikob 740103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 741103285Sikob tl = STAILQ_NEXT(tl, link)){ 742103285Sikob if(tl->xfer == xfer){ 743103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 744103285Sikob free(tl, M_DEVBUF); 745103285Sikob splx(s); 746103285Sikob return; 747103285Sikob } 748103285Sikob } 749103285Sikob splx(s); 750103285Sikob return; 751103285Sikob} 752106790Ssimokawa 753103285Sikob/* 754103285Sikob * To obtain XFER structure by transaction label. 755103285Sikob */ 756106790Ssimokawastatic struct fw_xfer * 757106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 758103285Sikob{ 759103285Sikob struct fw_xfer *xfer; 760103285Sikob struct tlabel *tl; 761103285Sikob int s = splfw(); 762103285Sikob 763103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 764103285Sikob tl = STAILQ_NEXT(tl, link)){ 765103285Sikob if(tl->xfer->dst == node){ 766103285Sikob xfer = tl->xfer; 767103285Sikob splx(s); 768103285Sikob return(xfer); 769103285Sikob } 770103285Sikob } 771103285Sikob splx(s); 772103285Sikob return(NULL); 773103285Sikob} 774106790Ssimokawa 775103285Sikob/* 776103285Sikob * To allocate IEEE1394 XFER structure. 777103285Sikob */ 778106790Ssimokawastruct fw_xfer * 779106790Ssimokawafw_xfer_alloc() 780103285Sikob{ 781103285Sikob struct fw_xfer *xfer; 782106790Ssimokawa 783109424Ssimokawa xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_NOWAIT | M_ZERO); 784106790Ssimokawa if (xfer == NULL) 785106790Ssimokawa return xfer; 786106790Ssimokawa 787103285Sikob xfer->time = time_second; 788103285Sikob xfer->sub = -1; 789106790Ssimokawa 790103285Sikob return xfer; 791103285Sikob} 792106790Ssimokawa 793103285Sikob/* 794103285Sikob * IEEE1394 XFER post process. 795103285Sikob */ 796103285Sikobvoid 797103285Sikobfw_xfer_done(struct fw_xfer *xfer) 798103285Sikob{ 799103285Sikob if (xfer->act.hand == NULL) 800103285Sikob return; 801103285Sikob 802103285Sikob#if XFER_TIMEOUT 803103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 804103285Sikob#endif 805103285Sikob 806103285Sikob if (xfer->fc->status != FWBUSRESET) 807103285Sikob xfer->act.hand(xfer); 808103285Sikob else { 809103285Sikob printf("fw_xfer_done: pending\n"); 810103285Sikob if (xfer->fc != NULL) 811103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 812103285Sikob else 813103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 814103285Sikob } 815103285Sikob} 816103285Sikob 817103285Sikob/* 818103285Sikob * To free IEEE1394 XFER structure. 819103285Sikob */ 820106790Ssimokawavoid 821106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 822103285Sikob{ 823103285Sikob int s; 824103285Sikob if(xfer == NULL ) return; 825103285Sikob if(xfer->state == FWXF_INQ){ 826103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 827103285Sikob s = splfw(); 828103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 829103285Sikob xfer->q->queued --; 830103285Sikob splx(s); 831103285Sikob } 832103285Sikob if(xfer->fc != NULL){ 833103285Sikob if(xfer->state == FWXF_START){ 834103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 835103285Sikob printf("fw_xfer_free FWXF_START\n"); 836103285Sikob#endif 837103285Sikob s = splfw(); 838103285Sikob xfer->q->drain(xfer->fc, xfer); 839103285Sikob splx(s); 840103285Sikob } 841103285Sikob } 842103285Sikob if(xfer->send.buf != NULL){ 843103285Sikob free(xfer->send.buf, M_DEVBUF); 844103285Sikob } 845103285Sikob if(xfer->recv.buf != NULL){ 846103285Sikob free(xfer->recv.buf, M_DEVBUF); 847103285Sikob } 848103285Sikob if(xfer->fc != NULL){ 849103285Sikob fw_tl_free(xfer->fc, xfer); 850103285Sikob } 851103285Sikob free(xfer, M_DEVBUF); 852103285Sikob} 853103285Sikob 854103285Sikob/* 855103285Sikob * Callback for PHY configuration. 856103285Sikob */ 857103285Sikobstatic void 858103285Sikobfw_phy_config_callback(struct fw_xfer *xfer) 859103285Sikob{ 860103285Sikob#if 0 861103285Sikob printf("phy_config done state=%d resp=%d\n", 862103285Sikob xfer->state, xfer->resp); 863103285Sikob#endif 864103285Sikob fw_xfer_free(xfer); 865103285Sikob /* XXX need bus reset ?? */ 866103285Sikob /* sc->fc->ibr(xfer->fc); LOOP */ 867103285Sikob} 868103285Sikob 869103285Sikob/* 870103285Sikob * To configure PHY. 871103285Sikob */ 872103285Sikobstatic void 873103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 874103285Sikob{ 875103285Sikob struct fw_xfer *xfer; 876103285Sikob struct fw_pkt *fp; 877103285Sikob 878103285Sikob fc->status = FWBUSPHYCONF; 879103285Sikob 880109280Ssimokawa#if 0 881103285Sikob DELAY(100000); 882109280Ssimokawa#endif 883103285Sikob xfer = fw_xfer_alloc(); 884103285Sikob xfer->send.len = 12; 885103285Sikob xfer->send.off = 0; 886103285Sikob xfer->fc = fc; 887103285Sikob xfer->retry_req = fw_asybusy; 888103285Sikob xfer->act.hand = fw_phy_config_callback; 889103285Sikob 890103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 891109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 892103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 893103285Sikob fp->mode.ld[1] = 0; 894103285Sikob if (root_node >= 0) 895103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 896103285Sikob if (gap_count >= 0) 897103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 898103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 899103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 900103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 901103285Sikob 902107653Ssimokawa if (firewire_debug) 903107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 904103285Sikob root_node, gap_count); 905103285Sikob fw_asyreq(fc, -1, xfer); 906103285Sikob} 907103285Sikob 908103285Sikob#if 0 909103285Sikob/* 910103285Sikob * Dump self ID. 911103285Sikob */ 912103285Sikobstatic void 913103285Sikobfw_print_sid(u_int32_t sid) 914103285Sikob{ 915103285Sikob union fw_self_id *s; 916103285Sikob s = (union fw_self_id *) &sid; 917103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 918103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 919103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 920103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 921103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 922103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 923103285Sikob} 924103285Sikob#endif 925103285Sikob 926103285Sikob/* 927103285Sikob * To receive self ID. 928103285Sikob */ 929103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 930103285Sikob{ 931103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 932103285Sikob union fw_self_id *self_id; 933103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 934103285Sikob 935103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 936103285Sikob fc->status = FWBUSINIT; 937103285Sikob fc->max_node = fc->nodeid & 0x3f; 938103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 939103285Sikob fc->status = FWBUSCYMELECT; 940103285Sikob fc->topology_map->crc_len = 2; 941103285Sikob fc->topology_map->generation ++; 942103285Sikob fc->topology_map->self_id_count = 0; 943103285Sikob fc->topology_map->node_count = 0; 944103285Sikob fc->speed_map->generation ++; 945103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 946103285Sikob self_id = &fc->topology_map->self_id[0]; 947103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 948103285Sikob if (sid[1] != ~sid[0]) { 949103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 950103285Sikob sid += 2; 951103285Sikob continue; 952103285Sikob } 953103285Sikob *self_id = *((union fw_self_id *)sid); 954103285Sikob fc->topology_map->crc_len++; 955103285Sikob if(self_id->p0.sequel == 0){ 956103285Sikob fc->topology_map->node_count ++; 957103285Sikob c_port = 0; 958103285Sikob#if 0 959103285Sikob fw_print_sid(sid[0]); 960103285Sikob#endif 961103285Sikob node = self_id->p0.phy_id; 962103285Sikob if(fc->max_node < node){ 963103285Sikob fc->max_node = self_id->p0.phy_id; 964103285Sikob } 965103285Sikob /* XXX I'm not sure this is the right speed_map */ 966103285Sikob fc->speed_map->speed[node][node] 967103285Sikob = self_id->p0.phy_speed; 968103285Sikob for (j = 0; j < node; j ++) { 969103285Sikob fc->speed_map->speed[j][node] 970103285Sikob = fc->speed_map->speed[node][j] 971103285Sikob = min(fc->speed_map->speed[j][j], 972103285Sikob self_id->p0.phy_speed); 973103285Sikob } 974103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 975103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 976103285Sikob fc->irm = self_id->p0.phy_id; 977103285Sikob } 978103285Sikob if(self_id->p0.port0 >= 0x2){ 979103285Sikob c_port++; 980103285Sikob } 981103285Sikob if(self_id->p0.port1 >= 0x2){ 982103285Sikob c_port++; 983103285Sikob } 984103285Sikob if(self_id->p0.port2 >= 0x2){ 985103285Sikob c_port++; 986103285Sikob } 987103285Sikob } 988103285Sikob if(c_port > 2){ 989103285Sikob i_branch += (c_port - 2); 990103285Sikob } 991103285Sikob sid += 2; 992103285Sikob self_id++; 993103285Sikob fc->topology_map->self_id_count ++; 994103285Sikob } 995108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 996103285Sikob /* CRC */ 997103285Sikob fc->topology_map->crc = fw_crc16( 998103285Sikob (u_int32_t *)&fc->topology_map->generation, 999103285Sikob fc->topology_map->crc_len * 4); 1000103285Sikob fc->speed_map->crc = fw_crc16( 1001103285Sikob (u_int32_t *)&fc->speed_map->generation, 1002103285Sikob fc->speed_map->crc_len * 4); 1003103285Sikob /* byteswap and copy to CSR */ 1004103285Sikob p = (u_int32_t *)fc->topology_map; 1005103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1006103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1007103285Sikob p = (u_int32_t *)fc->speed_map; 1008103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1009103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1010103285Sikob /* don't byte-swap u_int8_t array */ 1011103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1012103285Sikob 1013103285Sikob fc->max_hop = fc->max_node - i_branch; 1014103285Sikob#if 1 1015103285Sikob printf(", maxhop <= %d", fc->max_hop); 1016103285Sikob#endif 1017103285Sikob 1018103285Sikob if(fc->irm == -1 ){ 1019103285Sikob printf(", Not found IRM capable node"); 1020103285Sikob }else{ 1021103285Sikob printf(", cable IRM = %d", fc->irm); 1022103285Sikob if (fc->irm == fc->nodeid) 1023110016Ssimokawa printf(" (me)"); 1024103285Sikob } 1025110016Ssimokawa printf("\n"); 1026103285Sikob 1027109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1028109736Ssimokawa if (fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)) { 1029103285Sikob fc->status = FWBUSMGRDONE; 1030103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1031109736Ssimokawa } else { 1032103285Sikob fc->status = FWBUSMGRELECT; 1033109736Ssimokawa fc->bmrhandle = timeout((timeout_t *)fw_try_bmr, 1034109736Ssimokawa (void *)fc, hz / 8); 1035103285Sikob } 1036109736Ssimokawa } else { 1037103285Sikob fc->status = FWBUSMGRDONE; 1038109736Ssimokawa#if 0 1039108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1040108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1041109736Ssimokawa#endif 1042103285Sikob } 1043103285Sikob free(buf, M_DEVBUF); 1044109736Ssimokawa /* Optimize gap_count, if I am BMGR */ 1045103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1046103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 1047103285Sikob } 1048108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1049108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1050103285Sikob} 1051106790Ssimokawa 1052103285Sikob/* 1053103285Sikob * To probe devices on the IEEE1394 bus. 1054103285Sikob */ 1055106790Ssimokawastatic void 1056106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1057103285Sikob{ 1058103285Sikob int s; 1059103285Sikob struct fw_device *fwdev, *next; 1060103285Sikob 1061103285Sikob s = splfw(); 1062103285Sikob fc->status = FWBUSEXPLORE; 1063103285Sikob fc->retry_count = 0; 1064103285Sikob 1065103285Sikob/* 1066103285Sikob * Invalidate all devices, just after bus reset. Devices 1067103285Sikob * to be removed has not been seen longer time. 1068103285Sikob */ 1069103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1070103285Sikob next = TAILQ_NEXT(fwdev, link); 1071103285Sikob if(fwdev->status != FWDEVINVAL){ 1072103285Sikob fwdev->status = FWDEVINVAL; 1073103285Sikob fwdev->rcnt = 0; 1074103285Sikob }else if(fwdev->rcnt < FW_MAXDEVRCNT){ 1075103285Sikob fwdev->rcnt ++; 1076103285Sikob }else{ 1077103285Sikob TAILQ_REMOVE(&fc->devices, fwdev, link); 1078103285Sikob free(fwdev, M_DEVBUF); 1079103285Sikob } 1080103285Sikob } 1081103285Sikob fc->ongonode = 0; 1082103285Sikob fc->ongoaddr = CSRROMOFF; 1083103285Sikob fc->ongodev = NULL; 1084103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1085103285Sikob fw_bus_explore(fc); 1086103285Sikob splx(s); 1087103285Sikob} 1088106790Ssimokawa 1089103285Sikob/* 1090103285Sikob * To collect device informations on the IEEE1394 bus. 1091103285Sikob */ 1092106790Ssimokawastatic void 1093106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1094103285Sikob{ 1095103285Sikob int err = 0; 1096103285Sikob struct fw_device *fwdev, *tfwdev; 1097103285Sikob u_int32_t addr; 1098103285Sikob struct fw_xfer *xfer; 1099103285Sikob struct fw_pkt *fp; 1100103285Sikob 1101103285Sikob if(fc->status != FWBUSEXPLORE) 1102103285Sikob return; 1103103285Sikob 1104103285Sikobloop: 1105103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1106103285Sikob 1107103285Sikob if(fc->ongonode > fc->max_node) goto done; 1108103285Sikob if(fc->ongonode >= 0x3f) goto done; 1109103285Sikob 1110103285Sikob /* check link */ 1111103285Sikob /* XXX we need to check phy_id first */ 1112103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1113103285Sikob printf("fw_bus_explore: node %d link down\n", fc->ongonode); 1114103285Sikob fc->ongonode++; 1115103285Sikob goto loop; 1116103285Sikob } 1117103285Sikob 1118103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1119103285Sikob fc->ongoeui.hi == 0xffffffff && 1120103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1121103285Sikob fc->ongoaddr = CSRROMOFF; 1122103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1123103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1124103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1125103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1126103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1127103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1128103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1129103285Sikob }else if(fc->ongodev == NULL){ 1130103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1131103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1132103285Sikob if(fwdev->eui.hi == fc->ongoeui.hi && fwdev->eui.lo == fc->ongoeui.lo){ 1133103285Sikob break; 1134103285Sikob } 1135103285Sikob } 1136103285Sikob if(fwdev != NULL){ 1137103285Sikob fwdev->dst = fc->ongonode; 1138103285Sikob fwdev->status = FWDEVATTACHED; 1139103285Sikob fc->ongonode++; 1140103285Sikob fc->ongoaddr = CSRROMOFF; 1141103285Sikob fc->ongodev = NULL; 1142103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1143103285Sikob goto loop; 1144103285Sikob } 1145109424Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_DEVBUF, M_NOWAIT); 1146103285Sikob if(fwdev == NULL) 1147103285Sikob return; 1148106810Ssimokawa fwdev->fc = fc; 1149103285Sikob fwdev->rommax = 0; 1150103285Sikob fwdev->dst = fc->ongonode; 1151103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1152103285Sikob fwdev->status = FWDEVINIT; 1153103285Sikob#if 0 1154103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1155103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1156103285Sikob#else 1157103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1158103285Sikob#endif 1159103285Sikob 1160103285Sikob tfwdev = TAILQ_FIRST(&fc->devices); 1161103285Sikob while( tfwdev != NULL && 1162103285Sikob (tfwdev->eui.hi > fwdev->eui.hi) && 1163103285Sikob ((tfwdev->eui.hi == fwdev->eui.hi) && 1164103285Sikob tfwdev->eui.lo > fwdev->eui.lo)){ 1165103285Sikob tfwdev = TAILQ_NEXT( tfwdev, link); 1166103285Sikob } 1167103285Sikob if(tfwdev == NULL){ 1168103285Sikob TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 1169103285Sikob }else{ 1170103285Sikob TAILQ_INSERT_BEFORE(tfwdev, fwdev, link); 1171103285Sikob } 1172103285Sikob 1173108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1174107653Ssimokawa linkspeed[fwdev->speed], 1175107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1176103285Sikob 1177103285Sikob fc->ongodev = fwdev; 1178103285Sikob fc->ongoaddr = CSRROMOFF; 1179103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1180103285Sikob }else{ 1181103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1182103285Sikob } 1183103285Sikob#if 0 1184103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1185103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1186103285Sikob fw_bus_explore_callback); 1187103285Sikob if(xfer == NULL) goto done; 1188103285Sikob#else 1189103285Sikob xfer = fw_xfer_alloc(); 1190103285Sikob if(xfer == NULL){ 1191103285Sikob goto done; 1192103285Sikob } 1193103285Sikob xfer->send.len = 16; 1194103285Sikob xfer->spd = 0; 1195109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1196103285Sikob if(xfer->send.buf == NULL){ 1197103285Sikob fw_xfer_free( xfer); 1198103285Sikob return; 1199103285Sikob } 1200103285Sikob 1201103285Sikob xfer->send.off = 0; 1202103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1203103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1204103285Sikob fp->mode.rreqq.tlrt = 0; 1205103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1206103285Sikob fp->mode.rreqq.pri = 0; 1207103285Sikob fp->mode.rreqq.src = 0; 1208103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1209103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1210103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1211103285Sikob xfer->act.hand = fw_bus_explore_callback; 1212103285Sikob 1213103285Sikob err = fw_asyreq(fc, -1, xfer); 1214103285Sikob if(err){ 1215103285Sikob fw_xfer_free( xfer); 1216103285Sikob return; 1217103285Sikob } 1218103285Sikob#endif 1219103285Sikob return; 1220103285Sikobdone: 1221103285Sikob /* fw_attach_devs */ 1222103285Sikob fc->status = FWBUSEXPDONE; 1223107653Ssimokawa if (firewire_debug) 1224107653Ssimokawa printf("bus_explore done\n"); 1225103285Sikob fw_attach_dev(fc); 1226103285Sikob return; 1227103285Sikob 1228103285Sikob} 1229106790Ssimokawa 1230103285Sikob/* Portable Async. request read quad */ 1231106790Ssimokawastruct fw_xfer * 1232106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1233105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1234105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1235103285Sikob{ 1236103285Sikob struct fw_xfer *xfer; 1237103285Sikob struct fw_pkt *fp; 1238103285Sikob int err; 1239103285Sikob 1240103285Sikob xfer = fw_xfer_alloc(); 1241103285Sikob if(xfer == NULL){ 1242103285Sikob return NULL; 1243103285Sikob } 1244103285Sikob xfer->send.len = 16; 1245103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1246109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1247103285Sikob if(xfer->send.buf == NULL){ 1248103285Sikob fw_xfer_free( xfer); 1249103285Sikob return NULL; 1250103285Sikob } 1251103285Sikob 1252103285Sikob xfer->send.off = 0; 1253103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1254103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1255103285Sikob if(tl & FWP_TL_VALID){ 1256103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1257103285Sikob }else{ 1258103285Sikob fp->mode.rreqq.tlrt = 0; 1259103285Sikob } 1260103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1261103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1262103285Sikob fp->mode.rreqq.pri = 0; 1263103285Sikob fp->mode.rreqq.src = 0; 1264103285Sikob xfer->dst = addr_hi >> 16; 1265103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1266103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1267103285Sikob xfer->act.hand = hand; 1268103285Sikob 1269103285Sikob err = fw_asyreq(fc, -1, xfer); 1270103285Sikob if(err){ 1271103285Sikob fw_xfer_free( xfer); 1272103285Sikob return NULL; 1273103285Sikob } 1274103285Sikob return xfer; 1275103285Sikob} 1276106790Ssimokawa 1277103285Sikob/* 1278103285Sikob * Callback for the IEEE1394 bus information collection. 1279103285Sikob */ 1280106790Ssimokawastatic void 1281106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1282106790Ssimokawa{ 1283103285Sikob struct firewire_comm *fc; 1284103285Sikob struct fw_pkt *sfp,*rfp; 1285103285Sikob struct csrhdr *chdr; 1286103285Sikob struct csrdir *csrd; 1287103285Sikob struct csrreg *csrreg; 1288103285Sikob u_int32_t offset; 1289103285Sikob 1290103285Sikob 1291103285Sikob if(xfer == NULL) return; 1292103285Sikob fc = xfer->fc; 1293103285Sikob if(xfer->resp != 0){ 1294103285Sikob printf("resp != 0: node=%d addr=0x%x\n", 1295103285Sikob fc->ongonode, fc->ongoaddr); 1296103285Sikob fc->retry_count++; 1297103285Sikob goto nextnode; 1298103285Sikob } 1299103285Sikob 1300103285Sikob if(xfer->send.buf == NULL){ 1301103285Sikob printf("send.buf == NULL: node=%d addr=0x%x\n", 1302103285Sikob fc->ongonode, fc->ongoaddr); 1303103285Sikob printf("send.buf == NULL\n"); 1304103285Sikob fc->retry_count++; 1305103285Sikob goto nextnode; 1306103285Sikob } 1307103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1308103285Sikob 1309103285Sikob if(xfer->recv.buf == NULL){ 1310103285Sikob printf("recv.buf == NULL: node=%d addr=0x%x\n", 1311103285Sikob fc->ongonode, fc->ongoaddr); 1312103285Sikob fc->retry_count++; 1313103285Sikob goto nextnode; 1314103285Sikob } 1315103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1316103285Sikob#if 0 1317103285Sikob { 1318103285Sikob u_int32_t *qld; 1319103285Sikob int i; 1320103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1321103285Sikob printf("len:%d\n", xfer->recv.len); 1322103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1323103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1324103285Sikob if((i % 16) == 15) printf("\n"); 1325103285Sikob } 1326103285Sikob if((i % 16) != 15) printf("\n"); 1327103285Sikob } 1328103285Sikob#endif 1329103285Sikob if(fc->ongodev == NULL){ 1330103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1331103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1332103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1333103285Sikob/* If CSR is minimul confinguration, more investgation is not needed. */ 1334103285Sikob if(chdr->info_len == 1){ 1335103285Sikob goto nextnode; 1336103285Sikob }else{ 1337103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1338103285Sikob } 1339103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1340103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1341103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1342103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1343103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1344103285Sikob if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 1345103285Sikob goto nextnode; 1346103285Sikob fc->ongoaddr = CSRROMOFF; 1347103285Sikob } 1348103285Sikob }else{ 1349103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1350103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1351103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1352103285Sikob } 1353103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1354103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1355103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1356103285Sikob offset = CSRROMOFF; 1357103285Sikob }else{ 1358103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1359103285Sikob offset = csrd->off; 1360103285Sikob } 1361103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1362103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1363103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1364103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1365103285Sikob if(csrd == NULL){ 1366103285Sikob goto nextnode; 1367103285Sikob }else{ 1368103285Sikob csrd->ongoaddr = fc->ongoaddr; 1369103285Sikob fc->ongoaddr += csrreg->val * 4; 1370103285Sikob csrd->off = fc->ongoaddr; 1371103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1372103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1373103285Sikob goto nextaddr; 1374103285Sikob } 1375103285Sikob } 1376103285Sikob } 1377103285Sikob fc->ongoaddr += 4; 1378103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1379103285Sikob (fc->ongodev->rommax < 0x414)){ 1380103285Sikob if(fc->ongodev->rommax <= 0x414){ 1381103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1382103285Sikob if(csrd == NULL) goto nextnode; 1383103285Sikob csrd->off = fc->ongoaddr; 1384103285Sikob csrd->ongoaddr = fc->ongoaddr; 1385103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1386103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1387103285Sikob } 1388103285Sikob goto nextaddr; 1389103285Sikob } 1390103285Sikob 1391103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1392103285Sikob if(csrd == NULL){ 1393103285Sikob goto nextnode; 1394103285Sikob }; 1395103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1396103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1397103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1398103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1399103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1400103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1401103285Sikob offset = CSRROMOFF; 1402103285Sikob }else{ 1403103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1404103285Sikob offset = csrd->off; 1405103285Sikob } 1406103285Sikob } 1407103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1408103285Sikob goto nextnode; 1409103285Sikob } 1410103285Sikob } 1411103285Sikobnextaddr: 1412103285Sikob fw_xfer_free( xfer); 1413103285Sikob fw_bus_explore(fc); 1414103285Sikob return; 1415103285Sikobnextnode: 1416103285Sikob fw_xfer_free( xfer); 1417103285Sikob fc->ongonode++; 1418103285Sikob/* housekeeping work space */ 1419103285Sikob fc->ongoaddr = CSRROMOFF; 1420103285Sikob fc->ongodev = NULL; 1421103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1422103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1423103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1424103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1425103285Sikob } 1426103285Sikob fw_bus_explore(fc); 1427103285Sikob return; 1428103285Sikob} 1429103285Sikob 1430103285Sikob/* 1431103285Sikob * To obtain CSR register values. 1432103285Sikob */ 1433106815Ssimokawau_int32_t 1434106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1435103285Sikob{ 1436103285Sikob int i; 1437103285Sikob struct csrhdr *chdr; 1438103285Sikob struct csrreg *creg; 1439103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1440103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1441103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1442103285Sikob if(creg->key == key){ 1443103285Sikob return (u_int32_t)creg->val; 1444103285Sikob } 1445103285Sikob } 1446103285Sikob return 0; 1447103285Sikob} 1448106815Ssimokawa 1449103285Sikob/* 1450103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1451103285Sikob */ 1452106815Ssimokawastatic void 1453106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1454103285Sikob{ 1455103285Sikob struct fw_device *fwdev; 1456103285Sikob struct fw_xfer *xfer; 1457103285Sikob int i, err; 1458103285Sikob device_t *devlistp; 1459103285Sikob int devcnt; 1460103285Sikob struct firewire_dev_comm *fdc; 1461108701Ssimokawa u_int32_t spec, ver; 1462103285Sikob 1463103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1464103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1465103285Sikob if(fwdev->status == FWDEVINIT){ 1466108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1467108701Ssimokawa if(spec == 0) 1468103285Sikob continue; 1469108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1470108701Ssimokawa if(ver == 0) 1471103285Sikob continue; 1472103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1473103285Sikob 1474108655Ssimokawa device_printf(fc->bdev, "Device "); 1475108701Ssimokawa switch(spec){ 1476103285Sikob case CSRVAL_ANSIT10: 1477108701Ssimokawa switch(ver){ 1478103285Sikob case CSRVAL_T10SBP2: 1479107653Ssimokawa printf("SBP-II"); 1480103285Sikob break; 1481103285Sikob default: 1482103285Sikob break; 1483103285Sikob } 1484103285Sikob break; 1485103285Sikob case CSRVAL_1394TA: 1486108701Ssimokawa switch(ver){ 1487103285Sikob case CSR_PROTAVC: 1488107653Ssimokawa printf("AV/C"); 1489103285Sikob break; 1490103285Sikob case CSR_PROTCAL: 1491107653Ssimokawa printf("CAL"); 1492103285Sikob break; 1493103285Sikob case CSR_PROTEHS: 1494107653Ssimokawa printf("EHS"); 1495103285Sikob break; 1496103285Sikob case CSR_PROTHAVI: 1497107653Ssimokawa printf("HAVi"); 1498103285Sikob break; 1499103285Sikob case CSR_PROTCAM104: 1500107653Ssimokawa printf("1394 Cam 1.04"); 1501103285Sikob break; 1502103285Sikob case CSR_PROTCAM120: 1503107653Ssimokawa printf("1394 Cam 1.20"); 1504103285Sikob break; 1505103285Sikob case CSR_PROTCAM130: 1506107653Ssimokawa printf("1394 Cam 1.30"); 1507103285Sikob break; 1508103285Sikob case CSR_PROTDPP: 1509107653Ssimokawa printf("1394 Direct print"); 1510103285Sikob break; 1511103285Sikob case CSR_PROTIICP: 1512107653Ssimokawa printf("Industrial & Instrument"); 1513103285Sikob break; 1514103285Sikob default: 1515107653Ssimokawa printf("unknown 1394TA"); 1516103285Sikob break; 1517103285Sikob } 1518103285Sikob break; 1519103285Sikob default: 1520107653Ssimokawa printf("unknown spec"); 1521103285Sikob break; 1522103285Sikob } 1523103285Sikob fwdev->status = FWDEVATTACHED; 1524103285Sikob printf("\n"); 1525103285Sikob } 1526103285Sikob } 1527108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1528103285Sikob if( err != 0 ) 1529103285Sikob return; 1530103285Sikob for( i = 0 ; i < devcnt ; i++){ 1531103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1532103285Sikob fdc = device_get_softc(devlistp[i]); 1533103285Sikob if (fdc->post_explore != NULL) 1534103285Sikob fdc->post_explore(fdc); 1535103285Sikob } 1536103285Sikob } 1537103285Sikob free(devlistp, M_TEMP); 1538103285Sikob 1539103285Sikob /* call pending handlers */ 1540103285Sikob i = 0; 1541103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1542103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1543103285Sikob i++; 1544103285Sikob if (xfer->act.hand) 1545103285Sikob xfer->act.hand(xfer); 1546103285Sikob } 1547103285Sikob if (i > 0) 1548103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1549103285Sikob if (fc->retry_count > 0) { 1550103285Sikob printf("retry_count = %d\n", fc->retry_count); 1551103285Sikob fc->retry_probe_handle = timeout((timeout_t *)fc->ibr, 1552103285Sikob (void *)fc, hz*2); 1553103285Sikob } 1554103285Sikob return; 1555103285Sikob} 1556106815Ssimokawa 1557103285Sikob/* 1558103285Sikob * To allocate uniq transaction label. 1559103285Sikob */ 1560106815Ssimokawastatic int 1561106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1562103285Sikob{ 1563103285Sikob u_int i; 1564103285Sikob struct tlabel *tl, *tmptl; 1565103285Sikob int s; 1566103285Sikob static u_int32_t label = 0; 1567103285Sikob 1568103285Sikob s = splfw(); 1569103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1570103285Sikob label = (label + 1) & 0x3f; 1571103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1572103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1573103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1574103285Sikob } 1575103285Sikob if(tmptl == NULL) { 1576109424Ssimokawa tl = malloc(sizeof(struct tlabel),M_DEVBUF,M_NOWAIT); 1577103285Sikob if (tl == NULL) { 1578103285Sikob splx(s); 1579103285Sikob return (-1); 1580103285Sikob } 1581103285Sikob tl->xfer = xfer; 1582103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1583103285Sikob splx(s); 1584103285Sikob return(label); 1585103285Sikob } 1586103285Sikob } 1587103285Sikob splx(s); 1588103285Sikob 1589103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1590103285Sikob return(-1); 1591103285Sikob} 1592106815Ssimokawa 1593103285Sikob/* 1594103285Sikob * Generic packet receving process. 1595103285Sikob */ 1596106815Ssimokawavoid 1597106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1598103285Sikob{ 1599103285Sikob struct fw_pkt *fp, *resfp; 1600103285Sikob struct fw_xfer *xfer; 1601103285Sikob struct fw_bind *bind; 1602103285Sikob struct firewire_softc *sc; 1603103285Sikob int s; 1604103285Sikob#if 0 1605103285Sikob { 1606103285Sikob u_int32_t *qld; 1607103285Sikob int i; 1608103285Sikob qld = (u_int32_t *)buf; 1609103285Sikob printf("spd %d len:%d\n", spd, len); 1610103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1611103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1612103285Sikob if((i % 16) == 15) printf("\n"); 1613103285Sikob } 1614103285Sikob if((i % 16) != 15) printf("\n"); 1615103285Sikob } 1616103285Sikob#endif 1617103285Sikob fp = (struct fw_pkt *)(buf + off); 1618103285Sikob switch(fp->mode.common.tcode){ 1619103285Sikob case FWTCODE_WRES: 1620103285Sikob case FWTCODE_RRESQ: 1621103285Sikob case FWTCODE_RRESB: 1622103285Sikob case FWTCODE_LRES: 1623103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1624103285Sikob fp->mode.hdr.tlrt >> 2); 1625103285Sikob if(xfer == NULL) { 1626103285Sikob printf("fw_rcv: unknown response " 1627103285Sikob "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 1628103285Sikob fp->mode.common.tcode, 1629103285Sikob ntohs(fp->mode.hdr.src), 1630103285Sikob fp->mode.hdr.tlrt >> 2, 1631103285Sikob fp->mode.hdr.tlrt & 3, 1632103285Sikob fp->mode.rresq.data); 1633103285Sikob#if 1 1634103285Sikob printf("try ad-hoc work around!!\n"); 1635103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1636103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1637103285Sikob if (xfer == NULL) { 1638103285Sikob printf("no use...\n"); 1639103285Sikob goto err; 1640103285Sikob } 1641103285Sikob#else 1642103285Sikob goto err; 1643103285Sikob#endif 1644103285Sikob } 1645103285Sikob switch(xfer->act_type){ 1646103285Sikob case FWACT_XFER: 1647103285Sikob if((xfer->sub >= 0) && 1648103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1649103285Sikob xfer->resp = EINVAL; 1650103285Sikob fw_xfer_done(xfer); 1651103285Sikob goto err; 1652103285Sikob } 1653103285Sikob xfer->recv.len = len; 1654103285Sikob xfer->recv.off = off; 1655103285Sikob xfer->recv.buf = buf; 1656103285Sikob xfer->resp = 0; 1657103285Sikob fw_xfer_done(xfer); 1658103285Sikob return; 1659103285Sikob break; 1660103285Sikob case FWACT_CH: 1661103285Sikob default: 1662103285Sikob goto err; 1663103285Sikob break; 1664103285Sikob } 1665103285Sikob break; 1666103285Sikob case FWTCODE_WREQQ: 1667103285Sikob case FWTCODE_WREQB: 1668103285Sikob case FWTCODE_RREQQ: 1669103285Sikob case FWTCODE_RREQB: 1670103285Sikob case FWTCODE_LREQ: 1671103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1672103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1673103285Sikob if(bind == NULL){ 1674108712Ssimokawa#if __FreeBSD_version >= 500000 1675103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1676108712Ssimokawa#else 1677108712Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x\n", 1678108712Ssimokawa#endif 1679103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1680103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1681103285Sikob fp->mode.common.tcode); 1682103285Sikob if (fc->status == FWBUSRESET) { 1683103285Sikob printf("fw_rcv: cannot response(bus reset)!\n"); 1684103285Sikob goto err; 1685103285Sikob } 1686103285Sikob xfer = fw_xfer_alloc(); 1687103285Sikob if(xfer == NULL){ 1688103285Sikob return; 1689103285Sikob } 1690103285Sikob xfer->spd = spd; 1691109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1692103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1693103285Sikob switch(fp->mode.common.tcode){ 1694103285Sikob case FWTCODE_WREQQ: 1695103285Sikob case FWTCODE_WREQB: 1696103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1697103285Sikob xfer->send.len = 12; 1698103285Sikob break; 1699103285Sikob case FWTCODE_RREQQ: 1700103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1701103285Sikob xfer->send.len = 16; 1702103285Sikob break; 1703103285Sikob case FWTCODE_RREQB: 1704103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1705103285Sikob xfer->send.len = 16; 1706103285Sikob break; 1707103285Sikob case FWTCODE_LREQ: 1708103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1709103285Sikob xfer->send.len = 16; 1710103285Sikob break; 1711103285Sikob } 1712103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1713103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1714103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1715103285Sikob resfp->mode.rresb.rtcode = 7; 1716103285Sikob resfp->mode.rresb.extcode = 0; 1717103285Sikob resfp->mode.rresb.len = 0; 1718103285Sikob/* 1719103285Sikob xfer->act.hand = fw_asy_callback; 1720103285Sikob*/ 1721103285Sikob xfer->act.hand = fw_xfer_free; 1722103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1723103285Sikob fw_xfer_free( xfer); 1724103285Sikob return; 1725103285Sikob } 1726103285Sikob goto err; 1727103285Sikob } 1728103285Sikob switch(bind->xfer->act_type){ 1729103285Sikob case FWACT_XFER: 1730103285Sikob xfer = fw_xfer_alloc(); 1731103285Sikob if(xfer == NULL) goto err; 1732103285Sikob xfer->fc = bind->xfer->fc; 1733103285Sikob xfer->sc = bind->xfer->sc; 1734103285Sikob xfer->recv.buf = buf; 1735103285Sikob xfer->recv.len = len; 1736103285Sikob xfer->recv.off = off; 1737103285Sikob xfer->spd = spd; 1738103285Sikob xfer->act.hand = bind->xfer->act.hand; 1739103285Sikob if (fc->status != FWBUSRESET) 1740103285Sikob xfer->act.hand(xfer); 1741103285Sikob else 1742103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1743103285Sikob return; 1744103285Sikob break; 1745103285Sikob case FWACT_CH: 1746103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1747103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1748108655Ssimokawa device_printf(fc->bdev, 1749108655Ssimokawa "Discard a packet %x %d\n", 1750103285Sikob bind->xfer->sub, 1751103285Sikob fc->ir[bind->xfer->sub]->queued); 1752103285Sikob goto err; 1753103285Sikob } 1754103285Sikob xfer = fw_xfer_alloc(); 1755103285Sikob if(xfer == NULL) goto err; 1756103285Sikob xfer->recv.buf = buf; 1757103285Sikob xfer->recv.len = len; 1758103285Sikob xfer->recv.off = off; 1759103285Sikob xfer->spd = spd; 1760103285Sikob s = splfw(); 1761103285Sikob fc->ir[bind->xfer->sub]->queued++; 1762103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1763103285Sikob splx(s); 1764103285Sikob 1765103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1766103285Sikob 1767103285Sikob return; 1768103285Sikob break; 1769103285Sikob default: 1770103285Sikob goto err; 1771103285Sikob break; 1772103285Sikob } 1773103285Sikob break; 1774103285Sikob case FWTCODE_STREAM: 1775103285Sikob { 1776103285Sikob struct fw_xferq *xferq; 1777103285Sikob 1778103285Sikob xferq = fc->ir[sub]; 1779103285Sikob#if 0 1780103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1781103285Sikob sub, len, off, spd); 1782103285Sikob#endif 1783103285Sikob if(xferq->queued >= xferq->maxq) { 1784103285Sikob printf("receive queue is full\n"); 1785103285Sikob goto err; 1786103285Sikob } 1787103285Sikob xfer = fw_xfer_alloc(); 1788103285Sikob if(xfer == NULL) goto err; 1789103285Sikob xfer->recv.buf = buf; 1790103285Sikob xfer->recv.len = len; 1791103285Sikob xfer->recv.off = off; 1792103285Sikob xfer->spd = spd; 1793103285Sikob s = splfw(); 1794103285Sikob xferq->queued++; 1795103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1796103285Sikob splx(s); 1797103285Sikob sc = device_get_softc(fc->bdev); 1798103285Sikob#if __FreeBSD_version >= 500000 1799103285Sikob if (SEL_WAITING(&xferq->rsel)) 1800103285Sikob#else 1801103285Sikob if (&xferq->rsel.si_pid != 0) 1802103285Sikob#endif 1803103285Sikob selwakeup(&xferq->rsel); 1804103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1805103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1806103285Sikob wakeup((caddr_t)xferq); 1807103285Sikob } 1808103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1809103285Sikob xferq->hand(xferq); 1810103285Sikob } 1811103285Sikob return; 1812103285Sikob break; 1813103285Sikob } 1814103285Sikob default: 1815103285Sikob printf("fw_rcv: unknow tcode\n"); 1816103285Sikob break; 1817103285Sikob } 1818103285Sikoberr: 1819103285Sikob free(buf, M_DEVBUF); 1820103285Sikob} 1821106815Ssimokawa 1822103285Sikob/* 1823103285Sikob * Post process for Bus Manager election process. 1824103285Sikob */ 1825103285Sikobstatic void 1826103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1827103285Sikob{ 1828109422Ssimokawa struct fw_pkt *rfp; 1829103285Sikob struct firewire_comm *fc; 1830109422Ssimokawa int bmr; 1831103285Sikob 1832109422Ssimokawa if (xfer == NULL) 1833109422Ssimokawa return; 1834103285Sikob fc = xfer->fc; 1835109422Ssimokawa if (xfer->resp != 0) 1836103285Sikob goto error; 1837109422Ssimokawa if (xfer->send.buf == NULL) 1838103285Sikob goto error; 1839109422Ssimokawa if (xfer->recv.buf == NULL) 1840103285Sikob goto error; 1841103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1842109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1843109422Ssimokawa goto error; 1844109422Ssimokawa 1845109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1846109422Ssimokawa if (bmr == 0x3f) 1847109422Ssimokawa bmr = fc->nodeid; 1848109422Ssimokawa 1849109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1850108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 1851108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1852109422Ssimokawa if(bmr == fc->nodeid){ 1853103285Sikob printf("(me)\n"); 1854103285Sikob/* If I am bus manager, optimize gapcount */ 1855103285Sikob if(fc->max_hop <= MAX_GAPHOP ){ 1856103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 1857103285Sikob } 1858103285Sikob }else{ 1859103285Sikob printf("\n"); 1860103285Sikob } 1861103285Sikoberror: 1862103285Sikob fw_xfer_free(xfer); 1863103285Sikob} 1864106815Ssimokawa 1865103285Sikob/* 1866103285Sikob * To candidate Bus Manager election process. 1867103285Sikob */ 1868106815Ssimokawavoid 1869106815Ssimokawafw_try_bmr(void *arg) 1870103285Sikob{ 1871103285Sikob struct fw_xfer *xfer; 1872103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1873103285Sikob struct fw_pkt *fp; 1874103285Sikob int err = 0; 1875103285Sikob 1876103285Sikob xfer = fw_xfer_alloc(); 1877103285Sikob if(xfer == NULL){ 1878103285Sikob return; 1879103285Sikob } 1880103285Sikob xfer->send.len = 24; 1881103285Sikob xfer->spd = 0; 1882109424Ssimokawa xfer->send.buf = malloc(24, M_DEVBUF, M_NOWAIT); 1883103285Sikob if(xfer->send.buf == NULL){ 1884103285Sikob fw_xfer_free( xfer); 1885103285Sikob return; 1886103285Sikob } 1887103285Sikob 1888103285Sikob fc->status = FWBUSMGRELECT; 1889103285Sikob 1890103285Sikob xfer->send.off = 0; 1891103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1892103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 1893103285Sikob fp->mode.lreq.tlrt = 0; 1894103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 1895103285Sikob fp->mode.lreq.pri = 0; 1896103285Sikob fp->mode.lreq.src = 0; 1897103285Sikob fp->mode.lreq.len = htons(8); 1898103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 1899103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 1900103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 1901103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 1902109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 1903109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 1904103285Sikob xfer->act_type = FWACT_XFER; 1905103285Sikob xfer->act.hand = fw_try_bmr_callback; 1906103285Sikob 1907103285Sikob err = fw_asyreq(fc, -1, xfer); 1908103285Sikob if(err){ 1909103285Sikob fw_xfer_free( xfer); 1910103285Sikob return; 1911103285Sikob } 1912103285Sikob return; 1913103285Sikob} 1914106543Ssimokawa 1915106543Ssimokawa#ifdef FW_VMACCESS 1916103285Sikob/* 1917103285Sikob * Software implementation for physical memory block access. 1918103285Sikob * XXX:Too slow, usef for debug purpose only. 1919103285Sikob */ 1920106815Ssimokawastatic void 1921106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 1922103285Sikob struct fw_pkt *rfp, *sfp = NULL; 1923103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 1924103285Sikob 1925103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 1926103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1927103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1928103285Sikob if(xfer->resp != 0){ 1929103285Sikob fw_xfer_free( xfer); 1930103285Sikob return; 1931103285Sikob } 1932103285Sikob if(xfer->recv.buf == NULL){ 1933103285Sikob fw_xfer_free( xfer); 1934103285Sikob return; 1935103285Sikob } 1936103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1937103285Sikob switch(rfp->mode.hdr.tcode){ 1938103285Sikob /* XXX need fix for 64bit arch */ 1939103285Sikob case FWTCODE_WREQB: 1940103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 1941103285Sikob xfer->send.len = 12; 1942103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1943103285Sikob bcopy(rfp->mode.wreqb.payload, 1944103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 1945103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 1946103285Sikob sfp->mode.wres.rtcode = 0; 1947103285Sikob break; 1948103285Sikob case FWTCODE_WREQQ: 1949103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 1950103285Sikob xfer->send.len = 12; 1951103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 1952103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 1953103285Sikob sfp->mode.wres.rtcode = 0; 1954103285Sikob break; 1955103285Sikob case FWTCODE_RREQB: 1956103285Sikob xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_DEVBUF, M_NOWAIT); 1957103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 1958103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1959103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 1960103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 1961103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 1962103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 1963103285Sikob sfp->mode.rresb.rtcode = 0; 1964103285Sikob sfp->mode.rresb.extcode = 0; 1965103285Sikob break; 1966103285Sikob case FWTCODE_RREQQ: 1967103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1968103285Sikob xfer->send.len = 16; 1969103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1970103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 1971103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 1972103285Sikob sfp->mode.rresb.rtcode = 0; 1973103285Sikob break; 1974103285Sikob default: 1975103285Sikob fw_xfer_free( xfer); 1976103285Sikob return; 1977103285Sikob } 1978103285Sikob xfer->send.off = 0; 1979103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 1980103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 1981103285Sikob xfer->act.hand = fw_xfer_free; 1982103285Sikob xfer->retry_req = fw_asybusy; 1983103285Sikob 1984103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 1985103285Sikob sfp->mode.hdr.pri = 0; 1986103285Sikob 1987103285Sikob fw_asyreq(xfer->fc, -1, xfer); 1988103285Sikob/**/ 1989103285Sikob return; 1990103285Sikob} 1991106543Ssimokawa#endif 1992106543Ssimokawa 1993103285Sikob/* 1994103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 1995103285Sikob */ 1996106815Ssimokawau_int16_t 1997106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 1998103285Sikob u_int32_t i, sum, crc = 0; 1999103285Sikob int shift; 2000103285Sikob len = (len + 3) & ~3; 2001103285Sikob for(i = 0 ; i < len ; i+= 4){ 2002103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2003103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2004103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2005103285Sikob } 2006103285Sikob crc &= 0xffff; 2007103285Sikob } 2008103285Sikob return((u_int16_t) crc); 2009103285Sikob} 2010106815Ssimokawa 2011103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2012103285SikobMODULE_VERSION(firewire, 1); 2013