firewire.c revision 107653
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 107653 2002-12-06 02:17:30Z 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 60103285Sikobint firewire_debug=0; 61103285SikobSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "Firewire Subsystem"); 62103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 63103285Sikob "Firewire driver debug flag"); 64103285Sikob 65103285Sikob#define FW_MAXASYRTY 4 66103285Sikob#define FW_MAXDEVRCNT 4 67103285Sikob 68103285Sikob#define XFER_TIMEOUT 0 69103285Sikob 70103285Sikobdevclass_t firewire_devclass; 71103285Sikob 72103285Sikobstatic int firewire_match __P((device_t)); 73103285Sikobstatic int firewire_attach __P((device_t)); 74103285Sikobstatic int firewire_detach __P((device_t)); 75103285Sikob#if 0 76103285Sikobstatic int firewire_shutdown __P((device_t)); 77103285Sikob#endif 78103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 79103285Sikobstatic void fw_try_bmr __P((void *)); 80103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 81103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 82103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 83103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 84103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 85103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 86103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 87106543Ssimokawa#ifdef FW_VMACCESS 88103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 89106543Ssimokawa#endif 90103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 91105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 92103285Sikob 93103285Sikobstatic device_method_t firewire_methods[] = { 94103285Sikob /* Device interface */ 95103285Sikob DEVMETHOD(device_probe, firewire_match), 96103285Sikob DEVMETHOD(device_attach, firewire_attach), 97103285Sikob DEVMETHOD(device_detach, firewire_detach), 98103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 99103285Sikob 100103285Sikob /* Bus interface */ 101103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 102103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 103103285Sikob 104103285Sikob { 0, 0 } 105103285Sikob}; 106103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 107103285Sikobu_int maxrec[6]={512,1024,2048,4096,8192,0}; 108103285Sikob 109103285Sikob#define MAX_GAPHOP 16 110103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 111103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 112106813Ssimokawa 113106813Ssimokawaextern struct cdevsw firewire_cdevsw; 114106813Ssimokawa 115103285Sikobstatic driver_t firewire_driver = { 116103285Sikob "firewire", 117103285Sikob firewire_methods, 118103285Sikob sizeof(struct firewire_softc), 119103285Sikob}; 120103285Sikob 121103285Sikob/* 122103285Sikob * transmitter buffer update. 123103285Sikob */ 124103285Sikobint 125103285Sikobfw_tbuf_update(struct firewire_comm *fc, int sub, int flag){ 126103285Sikob struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 127103285Sikob struct fw_dvbuf *dvbuf = NULL; 128103285Sikob struct fw_xferq *it; 129103285Sikob int s, err = 0, i, j, chtag; 130103285Sikob struct fw_pkt *fp; 131103285Sikob u_int64_t tmpsync, dvsync; 132103285Sikob 133103285Sikob it = fc->it[sub]; 134103285Sikob 135103285Sikob s = splfw(); 136103285Sikob if(it->stdma == NULL){ 137103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 138103285Sikob }else if(flag != 0){ 139103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 140103285Sikob if(bulkxfer == it->stdma){ 141103285Sikob STAILQ_REMOVE_HEAD(&it->stvalid, link); 142103285Sikob it->stdma->flag = 0; 143103285Sikob STAILQ_INSERT_TAIL(&it->stfree, it->stdma, link); 144103285Sikob if(!(it->flag & FWXFERQ_DV)) 145103285Sikob wakeup(it); 146103285Sikob } 147103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 148103285Sikob }else{ 149103285Sikob bulkxfer = it->stdma; 150103285Sikob } 151103285Sikob splx(s); 152103285Sikob if(bulkxfer != NULL){ 153103285Sikob s = splfw(); 154103285Sikob bulkxfer2 = STAILQ_NEXT(bulkxfer, link); 155103285Sikob#if 0 156103285Sikob if(it->flag & FWXFERQ_DV && bulkxfer2 == NULL){ 157103285Sikob bulkxfer2 = STAILQ_FIRST(&it->stfree); 158103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 159103285Sikob splx(s); 160103285Sikob bcopy(bulkxfer->buf, bulkxfer2->buf, 161103285Sikob it->psize * it->btpacket); 162103285Sikob s = splfw(); 163103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, bulkxfer2, link); 164103285Sikob } 165103285Sikob#endif 166103285Sikob splx(s); 167103285Sikob } 168103285Sikob it->stdma = bulkxfer; 169103285Sikob it->stdma2 = bulkxfer2; 170103285Sikob 171103285Sikob if(it->flag & FWXFERQ_DV){ 172103285Sikob chtag = it->flag & 0xff; 173103285Sikobdvloop: 174103285Sikob if(it->dvdma == NULL){ 175103285Sikob dvbuf = STAILQ_FIRST(&it->dvvalid); 176103285Sikob if(dvbuf != NULL){ 177103285Sikob s = splfw(); 178103285Sikob STAILQ_REMOVE_HEAD(&it->dvvalid, link); 179103285Sikob it->dvdma = dvbuf; 180103285Sikob splx(s); 181103285Sikob it->queued = 0; 182103285Sikob } 183103285Sikob } 184103285Sikob if(it->dvdma == NULL) 185103285Sikob return err; 186103285Sikob 187103285Sikob it->stproc = STAILQ_FIRST(&it->stfree); 188103285Sikob if(it->stproc != NULL){ 189103285Sikob s = splfw(); 190103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 191103285Sikob splx(s); 192103285Sikob }else{ 193103285Sikob return err; 194103285Sikob } 195103285Sikob/* 196103285Sikob * Insert least significant 12 bits timestamp value by computation. 197103285Sikob * Highest significant 4 bits is insert at just before packet sending. 198103285Sikob */ 199103285Sikob fp = (struct fw_pkt *)(it->stproc->buf); 200103285Sikob/* XXX: Parameter relies on NTSC type DV video */ 201103485Sikob tmpsync = (u_int64_t)3072 * 8000 * 100 / 2997; 202103285Sikob tmpsync *= it->dvsync; 203103285Sikob dvsync = tmpsync; 204103285Sikob dvsync %= 0xc00; 205103285Sikob fp->mode.ld[2] = htonl(0x80000000 | (dvsync % 0xc00)); 206103285Sikob it->dvsync ++; 207103285Sikob it->dvsync %= 2997; 208103285Sikob 209103285Sikob for( i = 0, j = 0 ; i < it->dvpacket ; i++){ 210103285Sikob bcopy(it->dvdma->buf + it->queued * it->psize, 211103285Sikob it->stproc->buf + j * it->psize, it->psize); 212103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 213103285Sikob fp->mode.stream.len = htons(488); 214103285Sikob fp->mode.stream.chtag = chtag; 215103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 216103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 0x00780000 | it->dvdbc); 217103285Sikob it->dvdbc++; 218103285Sikob it->dvdbc %= 256; 219103285Sikob it->queued ++; 220103285Sikob j++; 221103285Sikob/* XXX: Parameter relies on NTSC type DV video */ 222103285Sikob#if 1 223103285Sikob#define DVDIFF 203 224103285Sikob#define DVFRAC 2997 225103285Sikob#else 226103285Sikob#define DVDIFF 127 227103285Sikob#define DVFRAC 1875 228103285Sikob#endif 229103285Sikob it->dvdiff += DVDIFF; 230103285Sikob if(it->dvdiff >= DVFRAC){ 231103285Sikob it->dvdiff %= DVFRAC; 232103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 233103285Sikob 234103285Sikob fp->mode.stream.len = htons(0x8); 235103285Sikob fp->mode.stream.chtag = chtag; 236103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 237103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 238103285Sikob 0x00780000 | it->dvdbc); 239103285Sikob j++; 240103285Sikob } 241103285Sikob } 242103285Sikob it->stproc->npacket = j; 243103285Sikob s = splfw(); 244103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 245103285Sikob splx(s); 246103285Sikob if(it->queued >= it->dvpacket){ 247103285Sikob s = splfw(); 248103285Sikob STAILQ_INSERT_TAIL(&it->dvfree, it->dvdma, link); 249103285Sikob it->dvdma = NULL; 250103285Sikob splx(s); 251103285Sikob wakeup(it); 252103285Sikob goto dvloop; 253103285Sikob } 254103285Sikob } 255103285Sikob return err; 256103285Sikob} 257103285Sikob/* 258103285Sikob * receving buffer update. 259103285Sikob */ 260103285Sikobint 261103285Sikobfw_rbuf_update(struct firewire_comm *fc, int sub, int flag){ 262103285Sikob struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 263103285Sikob struct fw_xferq *ir; 264103285Sikob int s, err = 0; 265103285Sikob 266103285Sikob ir = fc->ir[sub]; 267103285Sikob s = splfw(); 268103285Sikob if(ir->stdma != NULL){ 269103285Sikob if(flag != 0){ 270103285Sikob STAILQ_INSERT_TAIL(&ir->stvalid, ir->stdma, link); 271103285Sikob }else{ 272103285Sikob ir->stdma->flag = 0; 273103285Sikob STAILQ_INSERT_TAIL(&ir->stfree, ir->stdma, link); 274103285Sikob } 275103285Sikob } 276103285Sikob if(ir->stdma2 != NULL){ 277103285Sikob bulkxfer = ir->stdma2; 278103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 279103285Sikob if(bulkxfer2 != NULL){ 280103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 281103285Sikob } 282103285Sikob }else{ 283103285Sikob bulkxfer = STAILQ_FIRST(&ir->stfree); 284103285Sikob if(bulkxfer != NULL){ 285103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 286103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 287103285Sikob if(bulkxfer2 != NULL){ 288103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 289103285Sikob } 290103285Sikob }else{ 291103285Sikob bulkxfer = STAILQ_FIRST(&ir->stvalid); 292103285Sikob STAILQ_REMOVE_HEAD(&ir->stvalid, link); 293103285Sikob } 294103285Sikob } 295103285Sikob splx(s); 296103285Sikob ir->stdma = bulkxfer; 297103285Sikob ir->stdma2 = bulkxfer2; 298103285Sikob return err; 299103285Sikob} 300103285Sikob 301103285Sikob/* 302103285Sikob * To lookup node id. from EUI64. 303103285Sikob */ 304106810Ssimokawastruct fw_device * 305106790Ssimokawafw_noderesolve(struct firewire_comm *fc, struct fw_eui64 eui) 306103285Sikob{ 307103285Sikob struct fw_device *fwdev; 308103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 309103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 310103285Sikob if(fwdev->eui.hi == eui.hi && fwdev->eui.lo == eui.lo){ 311103285Sikob break; 312103285Sikob } 313103285Sikob } 314106810Ssimokawa if(fwdev == NULL) return NULL; 315106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 316106810Ssimokawa return fwdev; 317103285Sikob} 318106813Ssimokawa 319103285Sikob/* 320103285Sikob * Async. request procedure for userland application. 321103285Sikob */ 322103285Sikobint 323103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 324103285Sikob{ 325103285Sikob int err = 0; 326103285Sikob struct fw_xferq *xferq; 327103285Sikob int tl = 0, len; 328103285Sikob struct fw_pkt *fp; 329103285Sikob int tcode; 330103285Sikob struct tcode_info *info; 331103285Sikob 332103285Sikob if(xfer == NULL) return EINVAL; 333103285Sikob if(xfer->send.len > fc->maxrec){ 334103285Sikob printf("send.len > maxrec\n"); 335103285Sikob return EINVAL; 336103285Sikob } 337103285Sikob if(xfer->act.hand == NULL){ 338103285Sikob printf("act.hand == NULL\n"); 339103285Sikob return EINVAL; 340103285Sikob } 341103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 342103285Sikob 343103285Sikob tcode = fp->mode.common.tcode & 0xf; 344103285Sikob info = &fc->tcode[tcode]; 345103285Sikob if (info->flag == 0) { 346103285Sikob printf("invalid tcode=%d\n", tcode); 347103285Sikob return EINVAL; 348103285Sikob } 349103285Sikob if (info->flag & FWTI_REQ) 350103285Sikob xferq = fc->atq; 351103285Sikob else 352103285Sikob xferq = fc->ats; 353103285Sikob len = info->hdr_len; 354103285Sikob if (info->flag & FWTI_BLOCK_STR) 355103285Sikob len += ntohs(fp->mode.stream.len); 356103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 357103285Sikob len += ntohs(fp->mode.rresb.len); 358103285Sikob if( len > xfer->send.len ){ 359103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 360103285Sikob len, xfer->send.len, tcode); 361103285Sikob return EINVAL; 362103285Sikob } 363103285Sikob xfer->send.len = len; 364106790Ssimokawa 365103285Sikob if(xferq->start == NULL){ 366103285Sikob printf("xferq->start == NULL\n"); 367103285Sikob return EINVAL; 368103285Sikob } 369103285Sikob if(!(xferq->queued < xferq->maxq)){ 370103285Sikob printf("%s:Discard a packet (queued=%d)\n", 371103285Sikob device_get_nameunit(fc->dev), xferq->queued); 372103285Sikob return EINVAL; 373103285Sikob } 374103285Sikob 375103285Sikob 376103285Sikob if (info->flag & FWTI_TLABEL) { 377103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 378103285Sikob return EIO; 379103285Sikob fp->mode.hdr.tlrt = tl << 2; 380103285Sikob } 381103285Sikob 382103285Sikob xfer->tl = tl; 383103285Sikob xfer->tcode = tcode; 384103285Sikob xfer->resp = 0; 385103285Sikob xfer->fc = fc; 386103285Sikob xfer->q = xferq; 387103285Sikob xfer->act_type = FWACT_XFER; 388103285Sikob xfer->retry_req = fw_asybusy; 389103285Sikob 390103285Sikob fw_asystart(xfer); 391103285Sikob return err; 392103285Sikob} 393103285Sikob/* 394103285Sikob * Wakeup blocked process. 395103285Sikob */ 396103285Sikobvoid 397103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 398103285Sikob wakeup(xfer); 399103285Sikob return; 400103285Sikob} 401103285Sikob/* 402103285Sikob * Postpone to later retry. 403103285Sikob */ 404103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 405106815Ssimokawa#if 1 406103285Sikob printf("fw_asybusy\n"); 407103285Sikob#endif 408103285Sikob#if XFER_TIMEOUT 409103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 410103285Sikob#endif 411103285Sikob/* 412103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 413103285Sikob*/ 414103285Sikob DELAY(20000); 415103285Sikob fw_asystart(xfer); 416103285Sikob return; 417103285Sikob} 418103285Sikob#if XFER_TIMEOUT 419103285Sikob/* 420103285Sikob * Post timeout for async. request. 421103285Sikob */ 422103285Sikobvoid 423103285Sikobfw_xfer_timeout(void *arg) 424103285Sikob{ 425103285Sikob int s; 426103285Sikob struct fw_xfer *xfer; 427103285Sikob 428103285Sikob xfer = (struct fw_xfer *)arg; 429103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 430103285Sikob /* XXX set error code */ 431103285Sikob s = splfw(); 432103285Sikob xfer->act.hand(xfer); 433103285Sikob splx(s); 434103285Sikob} 435103285Sikob#endif 436103285Sikob/* 437103285Sikob * Async. request with given xfer structure. 438103285Sikob */ 439106790Ssimokawastatic void 440106790Ssimokawafw_asystart(struct fw_xfer *xfer) 441106790Ssimokawa{ 442103285Sikob struct firewire_comm *fc = xfer->fc; 443103285Sikob int s; 444103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 445103285Sikob xfer->resp = EBUSY; 446103285Sikob xfer->state = FWXF_BUSY; 447103285Sikob xfer->act.hand(xfer); 448103285Sikob return; 449103285Sikob } 450103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 451103285Sikob if (fc->status < FWBUSEXPLORE) { 452103285Sikob xfer->resp = EAGAIN; 453103285Sikob xfer->state = FWXF_BUSY; 454103285Sikob if (xfer->act.hand != NULL) 455103285Sikob xfer->act.hand(xfer); 456103285Sikob return; 457103285Sikob } 458103285Sikob#endif 459103285Sikob s = splfw(); 460103285Sikob xfer->state = FWXF_INQ; 461103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 462103285Sikob xfer->q->queued ++; 463103285Sikob splx(s); 464103285Sikob /* XXX just queue for mbuf */ 465103285Sikob if (xfer->mbuf == NULL) 466103285Sikob xfer->q->start(fc); 467103285Sikob#if XFER_TIMEOUT 468103285Sikob if (xfer->act.hand != NULL) 469103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 470103285Sikob#endif 471103285Sikob return; 472103285Sikob} 473106790Ssimokawa 474103285Sikobstatic int 475103285Sikobfirewire_match( device_t dev ) 476103285Sikob{ 477103285Sikob device_set_desc(dev, "IEEE1394(Firewire) bus"); 478103285Sikob return -140; 479103285Sikob} 480106790Ssimokawa 481103285Sikob/* 482103285Sikob * The attach routine. 483103285Sikob */ 484103285Sikobstatic int 485103285Sikobfirewire_attach( device_t dev ) 486103285Sikob{ 487103285Sikob int i, unitmask, mn; 488103285Sikob struct firewire_softc *sc = device_get_softc(dev); 489103285Sikob device_t pa = device_get_parent(dev); 490103285Sikob struct firewire_comm *fc; 491103285Sikob dev_t d; 492103285Sikob 493103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 494103285Sikob sc->fc = fc; 495103285Sikob sc->fc->dev = dev; 496103285Sikob 497103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 498103285Sikob 499103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 500103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 501103285Sikob mn = unitmask | i; 502103285Sikob /* XXX device name should be improved */ 503103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 504103285Sikob UID_ROOT, GID_OPERATOR, 0770, 505103285Sikob "fw%x", mn); 506103285Sikob#if __FreeBSD_version >= 500000 507103285Sikob if (i == 0) 508103285Sikob sc->dev = d; 509103285Sikob else 510103285Sikob dev_depends(sc->dev, d); 511103285Sikob#else 512103285Sikob sc->dev[i] = d; 513103285Sikob#endif 514103285Sikob } 515103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 516103285Sikob UID_ROOT, GID_OPERATOR, 0770, 517103285Sikob "fwmem%d", device_get_unit(dev)); 518103285Sikob#if __FreeBSD_version >= 500000 519103285Sikob dev_depends(sc->dev, d); 520103285Sikob#else 521103285Sikob sc->dev[i] = d; 522103285Sikob#endif 523103285Sikob sc->fc->timeouthandle = timeout((timeout_t *)sc->fc->timeout, (void *)sc->fc, hz * 10); 524103285Sikob 525103285Sikob /* Locate our children */ 526103285Sikob bus_generic_probe(dev); 527103285Sikob 528103285Sikob /* launch attachement of the added children */ 529103285Sikob bus_generic_attach(dev); 530103285Sikob 531103285Sikob /* bus_reset */ 532103285Sikob fc->ibr(fc); 533103285Sikob 534103285Sikob return 0; 535103285Sikob} 536103285Sikob 537103285Sikob/* 538103285Sikob * Attach it as child. 539103285Sikob */ 540103285Sikobstatic device_t 541103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 542103285Sikob{ 543103285Sikob device_t child; 544103285Sikob struct firewire_softc *sc; 545103285Sikob 546103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 547103285Sikob child = device_add_child(dev, name, unit); 548103285Sikob if (child) { 549103285Sikob device_set_ivars(child, sc->fc); 550103285Sikob device_probe_and_attach(child); 551103285Sikob } 552103285Sikob 553103285Sikob return child; 554103285Sikob} 555106790Ssimokawa 556103285Sikob/* 557103285Sikob * Dettach it. 558103285Sikob */ 559103285Sikobstatic int 560103285Sikobfirewire_detach( device_t dev ) 561103285Sikob{ 562103285Sikob struct firewire_softc *sc; 563103285Sikob 564103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 565106790Ssimokawa 566103285Sikob#if __FreeBSD_version >= 500000 567103285Sikob destroy_dev(sc->dev); 568103285Sikob#else 569103285Sikob { 570103285Sikob int j; 571103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 572103285Sikob destroy_dev(sc->dev[j]); 573103285Sikob } 574103285Sikob#endif 575103285Sikob /* XXX xfree_free and untimeout on all xfers */ 576103285Sikob untimeout((timeout_t *)sc->fc->timeout, sc->fc, sc->fc->timeouthandle); 577103285Sikob free(sc->fc->topology_map, M_DEVBUF); 578103285Sikob free(sc->fc->speed_map, M_DEVBUF); 579103285Sikob bus_generic_detach(dev); 580103285Sikob return(0); 581103285Sikob} 582103285Sikob#if 0 583103285Sikobstatic int 584103285Sikobfirewire_shutdown( device_t dev ) 585103285Sikob{ 586103285Sikob return 0; 587103285Sikob} 588103285Sikob#endif 589106790Ssimokawa 590103285Sikob/* 591106790Ssimokawa * Called after bus reset. 592103285Sikob */ 593106790Ssimokawavoid 594106790Ssimokawafw_busreset(struct firewire_comm *fc) 595103285Sikob{ 596103285Sikob int i; 597103285Sikob struct fw_xfer *xfer; 598103285Sikob 599103285Sikob switch(fc->status){ 600103285Sikob case FWBUSMGRELECT: 601103285Sikob untimeout((timeout_t *)fw_try_bmr, (void *)fc, fc->bmrhandle); 602103285Sikob break; 603103285Sikob default: 604103285Sikob break; 605103285Sikob } 606103285Sikob fc->status = FWBUSRESET; 607103285Sikob/* XXX: discard all queued packet */ 608103285Sikob while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 609103285Sikob STAILQ_REMOVE_HEAD(&fc->atq->q, link); 610103285Sikob xfer->resp = EAGAIN; 611103285Sikob switch(xfer->act_type){ 612103285Sikob case FWACT_XFER: 613103285Sikob fw_xfer_done(xfer); 614103285Sikob break; 615103285Sikob default: 616103285Sikob break; 617103285Sikob } 618103285Sikob fw_xfer_free( xfer); 619103285Sikob } 620103285Sikob while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 621103285Sikob STAILQ_REMOVE_HEAD(&fc->ats->q, link); 622103285Sikob xfer->resp = EAGAIN; 623103285Sikob switch(xfer->act_type){ 624103285Sikob case FWACT_XFER: 625103285Sikob fw_xfer_done(xfer); 626103285Sikob default: 627103285Sikob break; 628103285Sikob } 629103285Sikob fw_xfer_free( xfer); 630103285Sikob } 631103285Sikob for(i = 0; i < fc->nisodma; i++) 632103285Sikob while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 633103285Sikob STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 634103285Sikob xfer->resp = 0; 635103285Sikob switch(xfer->act_type){ 636103285Sikob case FWACT_XFER: 637103285Sikob fw_xfer_done(xfer); 638103285Sikob break; 639103285Sikob default: 640103285Sikob break; 641103285Sikob } 642103285Sikob fw_xfer_free( xfer); 643103285Sikob } 644103285Sikob 645103285Sikob CSRARC(fc, STATE_CLEAR) 646103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 647103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 648103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 649103285Sikob 650103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 651103285Sikob fc->irm = -1; 652103285Sikob 653103285Sikob fc->max_node = -1; 654103285Sikob 655103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 656103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 657103285Sikob } 658103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 659103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 660103285Sikob CSRARC(fc, RESET_START) = 0; 661103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 662103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 663103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 664103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 665103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 666103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 667103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 668103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 669103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 670103285Sikob 671103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 672103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 673103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 674103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 675103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 676103285Sikob 677103285Sikob/* DV depend CSRs see blue book */ 678103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 679103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 680103285Sikob 681103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 682103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 683103285Sikob} 684106790Ssimokawa 685103285Sikob/* Call once after reboot */ 686106790Ssimokawavoid fw_init(struct firewire_comm *fc) 687103285Sikob{ 688103285Sikob int i; 689106543Ssimokawa struct csrdir *csrd; 690106543Ssimokawa#ifdef FW_VMACCESS 691103285Sikob struct fw_xfer *xfer; 692103285Sikob struct fw_bind *fwb; 693106543Ssimokawa#endif 694103285Sikob 695103285Sikob fc->max_asyretry = FW_MAXASYRTY; 696103285Sikob 697103285Sikob fc->arq->queued = 0; 698103285Sikob fc->ars->queued = 0; 699103285Sikob fc->atq->queued = 0; 700103285Sikob fc->ats->queued = 0; 701103285Sikob 702103285Sikob fc->arq->psize = FWPMAX_S400; 703103285Sikob fc->ars->psize = FWPMAX_S400; 704103285Sikob fc->atq->psize = FWPMAX_S400; 705103285Sikob fc->ats->psize = FWPMAX_S400; 706103285Sikob 707103285Sikob 708103285Sikob fc->arq->buf = NULL; 709103285Sikob fc->ars->buf = NULL; 710103285Sikob fc->atq->buf = NULL; 711103285Sikob fc->ats->buf = NULL; 712103285Sikob 713103285Sikob fc->arq->flag = FWXFERQ_PACKET; 714103285Sikob fc->ars->flag = FWXFERQ_PACKET; 715103285Sikob fc->atq->flag = FWXFERQ_PACKET; 716103285Sikob fc->ats->flag = FWXFERQ_PACKET; 717103285Sikob 718103285Sikob STAILQ_INIT(&fc->atq->q); 719103285Sikob STAILQ_INIT(&fc->ats->q); 720103285Sikob 721103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 722103285Sikob fc->it[i]->queued = 0; 723103285Sikob fc->ir[i]->queued = 0; 724103285Sikob 725103285Sikob fc->it[i]->start = NULL; 726103285Sikob fc->ir[i]->start = NULL; 727103285Sikob 728103285Sikob fc->it[i]->buf = NULL; 729103285Sikob fc->ir[i]->buf = NULL; 730103285Sikob 731103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 732103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 733103285Sikob 734103285Sikob STAILQ_INIT(&fc->it[i]->q); 735103285Sikob STAILQ_INIT(&fc->ir[i]->q); 736103285Sikob 737103285Sikob STAILQ_INIT(&fc->it[i]->binds); 738103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 739103285Sikob } 740103285Sikob 741103285Sikob fc->arq->maxq = FWMAXQUEUE; 742103285Sikob fc->ars->maxq = FWMAXQUEUE; 743103285Sikob fc->atq->maxq = FWMAXQUEUE; 744103285Sikob fc->ats->maxq = FWMAXQUEUE; 745103285Sikob 746103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 747103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 748103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 749103285Sikob } 750103285Sikob/* Initialize csr registers */ 751103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 752103285Sikob sizeof(struct fw_topology_map), 753103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 754103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 755103285Sikob sizeof(struct fw_speed_map), 756103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 757103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 758103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 759103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 760103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 761103285Sikob 762103285Sikob TAILQ_INIT(&fc->devices); 763103285Sikob STAILQ_INIT(&fc->pending); 764103285Sikob 765103285Sikob/* Initialize csr ROM work space */ 766103285Sikob SLIST_INIT(&fc->ongocsr); 767103285Sikob SLIST_INIT(&fc->csrfree); 768103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 769103285Sikob csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_DEVBUF,M_DONTWAIT); 770103285Sikob if(csrd == NULL) break; 771103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 772103285Sikob } 773103285Sikob 774103285Sikob/* Initialize Async handlers */ 775103285Sikob STAILQ_INIT(&fc->binds); 776103285Sikob for( i = 0 ; i < 0x40 ; i++){ 777103285Sikob STAILQ_INIT(&fc->tlabels[i]); 778103285Sikob } 779103285Sikob 780103285Sikob/* DV depend CSRs see blue book */ 781103285Sikob#if 0 782103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 783103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 784103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 785103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 786103285Sikob } 787103285Sikob 788103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 789103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 790103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 791103285Sikob CSRARC(fc, i + iPCR) = 0x0; 792103285Sikob } 793103285Sikob#endif 794103285Sikob 795103285Sikob 796106543Ssimokawa#ifdef FW_VMACCESS 797103285Sikob xfer = fw_xfer_alloc(); 798103285Sikob if(xfer == NULL) return; 799103285Sikob 800103285Sikob fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_DONTWAIT); 801103285Sikob if(fwb == NULL){ 802103285Sikob fw_xfer_free(xfer); 803103285Sikob } 804103285Sikob xfer->act.hand = fw_vmaccess; 805103285Sikob xfer->act_type = FWACT_XFER; 806103285Sikob xfer->fc = fc; 807103285Sikob xfer->sc = NULL; 808103285Sikob 809103285Sikob fwb->start_hi = 0x2; 810103285Sikob fwb->start_lo = 0; 811103285Sikob fwb->addrlen = 0xffffffff; 812103285Sikob fwb->xfer = xfer; 813103285Sikob fw_bindadd(fc, fwb); 814106543Ssimokawa#endif 815103285Sikob} 816106790Ssimokawa 817103285Sikob/* 818103285Sikob * To lookup binded process from IEEE1394 address. 819103285Sikob */ 820106813Ssimokawastruct fw_bind * 821106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 822103285Sikob{ 823103285Sikob struct fw_bind *tfw; 824103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 825103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 826103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 827103285Sikob tfw->start_hi == dest_hi && 828103285Sikob tfw->start_lo <= dest_lo && 829103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 830103285Sikob return(tfw); 831103285Sikob } 832103285Sikob } 833103285Sikob return(NULL); 834103285Sikob} 835106790Ssimokawa 836103285Sikob/* 837103285Sikob * To bind IEEE1394 address block to process. 838103285Sikob */ 839106790Ssimokawaint 840106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 841103285Sikob{ 842103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 843103285Sikob int err = 0; 844103285Sikob tfw = STAILQ_FIRST(&fc->binds); 845103285Sikob if(tfw == NULL){ 846103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 847103285Sikob goto out; 848103285Sikob } 849103285Sikob if((tfw->start_hi > fwb->start_hi) || 850103285Sikob (tfw->start_hi == fwb->start_hi && 851103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 852103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 853103285Sikob goto out; 854103285Sikob } 855103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 856103285Sikob if((tfw->start_hi < fwb->start_hi) || 857103285Sikob (tfw->start_hi == fwb->start_hi && 858103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 859103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 860103285Sikob if(tfw2 == NULL) 861103285Sikob break; 862103285Sikob if((tfw2->start_hi > fwb->start_hi) || 863103285Sikob (tfw2->start_hi == fwb->start_hi && 864103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 865103285Sikob break; 866103285Sikob }else{ 867103285Sikob err = EBUSY; 868103285Sikob goto out; 869103285Sikob } 870103285Sikob } 871103285Sikob } 872103285Sikob if(tfw != NULL){ 873103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 874103285Sikob }else{ 875103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 876103285Sikob } 877103285Sikobout: 878103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 879103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 880103285Sikob } 881103285Sikob return err; 882103285Sikob} 883103285Sikob 884103285Sikob/* 885103285Sikob * To free IEEE1394 address block. 886103285Sikob */ 887106790Ssimokawaint 888106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 889103285Sikob{ 890103285Sikob int s; 891103285Sikob 892103285Sikob s = splfw(); 893103285Sikob /* shall we check the existance? */ 894103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 895103285Sikob splx(s); 896103285Sikob if (fwb->xfer) 897103285Sikob fw_xfer_free(fwb->xfer); 898103285Sikob 899103285Sikob return 0; 900103285Sikob} 901103285Sikob 902103285Sikob/* 903103285Sikob * To free transaction label. 904103285Sikob */ 905106790Ssimokawastatic void 906106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 907103285Sikob{ 908103285Sikob struct tlabel *tl; 909103285Sikob int s = splfw(); 910103285Sikob 911103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 912103285Sikob tl = STAILQ_NEXT(tl, link)){ 913103285Sikob if(tl->xfer == xfer){ 914103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 915103285Sikob free(tl, M_DEVBUF); 916103285Sikob splx(s); 917103285Sikob return; 918103285Sikob } 919103285Sikob } 920103285Sikob splx(s); 921103285Sikob return; 922103285Sikob} 923106790Ssimokawa 924103285Sikob/* 925103285Sikob * To obtain XFER structure by transaction label. 926103285Sikob */ 927106790Ssimokawastatic struct fw_xfer * 928106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 929103285Sikob{ 930103285Sikob struct fw_xfer *xfer; 931103285Sikob struct tlabel *tl; 932103285Sikob int s = splfw(); 933103285Sikob 934103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 935103285Sikob tl = STAILQ_NEXT(tl, link)){ 936103285Sikob if(tl->xfer->dst == node){ 937103285Sikob xfer = tl->xfer; 938103285Sikob splx(s); 939103285Sikob return(xfer); 940103285Sikob } 941103285Sikob } 942103285Sikob splx(s); 943103285Sikob return(NULL); 944103285Sikob} 945106790Ssimokawa 946103285Sikob/* 947103285Sikob * To allocate IEEE1394 XFER structure. 948103285Sikob */ 949106790Ssimokawastruct fw_xfer * 950106790Ssimokawafw_xfer_alloc() 951103285Sikob{ 952103285Sikob struct fw_xfer *xfer; 953106790Ssimokawa 954103285Sikob xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_DONTWAIT | M_ZERO); 955106790Ssimokawa if (xfer == NULL) 956106790Ssimokawa return xfer; 957106790Ssimokawa 958103285Sikob xfer->time = time_second; 959103285Sikob xfer->sub = -1; 960106790Ssimokawa 961103285Sikob return xfer; 962103285Sikob} 963106790Ssimokawa 964103285Sikob/* 965103285Sikob * IEEE1394 XFER post process. 966103285Sikob */ 967103285Sikobvoid 968103285Sikobfw_xfer_done(struct fw_xfer *xfer) 969103285Sikob{ 970103285Sikob if (xfer->act.hand == NULL) 971103285Sikob return; 972103285Sikob 973103285Sikob#if XFER_TIMEOUT 974103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 975103285Sikob#endif 976103285Sikob 977103285Sikob if (xfer->fc->status != FWBUSRESET) 978103285Sikob xfer->act.hand(xfer); 979103285Sikob else { 980103285Sikob printf("fw_xfer_done: pending\n"); 981103285Sikob if (xfer->fc != NULL) 982103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 983103285Sikob else 984103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 985103285Sikob } 986103285Sikob} 987103285Sikob 988103285Sikob/* 989103285Sikob * To free IEEE1394 XFER structure. 990103285Sikob */ 991106790Ssimokawavoid 992106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 993103285Sikob{ 994103285Sikob int s; 995103285Sikob if(xfer == NULL ) return; 996103285Sikob if(xfer->state == FWXF_INQ){ 997103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 998103285Sikob s = splfw(); 999103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1000103285Sikob xfer->q->queued --; 1001103285Sikob splx(s); 1002103285Sikob } 1003103285Sikob if(xfer->fc != NULL){ 1004103285Sikob if(xfer->state == FWXF_START){ 1005103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 1006103285Sikob printf("fw_xfer_free FWXF_START\n"); 1007103285Sikob#endif 1008103285Sikob s = splfw(); 1009103285Sikob xfer->q->drain(xfer->fc, xfer); 1010103285Sikob splx(s); 1011103285Sikob } 1012103285Sikob } 1013103285Sikob if(xfer->send.buf != NULL){ 1014103285Sikob free(xfer->send.buf, M_DEVBUF); 1015103285Sikob } 1016103285Sikob if(xfer->recv.buf != NULL){ 1017103285Sikob free(xfer->recv.buf, M_DEVBUF); 1018103285Sikob } 1019103285Sikob if(xfer->fc != NULL){ 1020103285Sikob fw_tl_free(xfer->fc, xfer); 1021103285Sikob } 1022103285Sikob free(xfer, M_DEVBUF); 1023103285Sikob} 1024103285Sikob 1025103285Sikob/* 1026103285Sikob * Callback for PHY configuration. 1027103285Sikob */ 1028103285Sikobstatic void 1029103285Sikobfw_phy_config_callback(struct fw_xfer *xfer) 1030103285Sikob{ 1031103285Sikob#if 0 1032103285Sikob printf("phy_config done state=%d resp=%d\n", 1033103285Sikob xfer->state, xfer->resp); 1034103285Sikob#endif 1035103285Sikob fw_xfer_free(xfer); 1036103285Sikob /* XXX need bus reset ?? */ 1037103285Sikob /* sc->fc->ibr(xfer->fc); LOOP */ 1038103285Sikob} 1039103285Sikob 1040103285Sikob/* 1041103285Sikob * To configure PHY. 1042103285Sikob */ 1043103285Sikobstatic void 1044103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1045103285Sikob{ 1046103285Sikob struct fw_xfer *xfer; 1047103285Sikob struct fw_pkt *fp; 1048103285Sikob 1049103285Sikob fc->status = FWBUSPHYCONF; 1050103285Sikob 1051103285Sikob DELAY(100000); 1052103285Sikob xfer = fw_xfer_alloc(); 1053103285Sikob xfer->send.len = 12; 1054103285Sikob xfer->send.off = 0; 1055103285Sikob xfer->fc = fc; 1056103285Sikob xfer->retry_req = fw_asybusy; 1057103285Sikob xfer->act.hand = fw_phy_config_callback; 1058103285Sikob 1059103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 1060103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 1061103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1062103285Sikob fp->mode.ld[1] = 0; 1063103285Sikob if (root_node >= 0) 1064103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 1065103285Sikob if (gap_count >= 0) 1066103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 1067103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1068103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1069103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1070103285Sikob 1071107653Ssimokawa if (firewire_debug) 1072107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1073103285Sikob root_node, gap_count); 1074103285Sikob fw_asyreq(fc, -1, xfer); 1075103285Sikob} 1076103285Sikob 1077103285Sikob#if 0 1078103285Sikob/* 1079103285Sikob * Dump self ID. 1080103285Sikob */ 1081103285Sikobstatic void 1082103285Sikobfw_print_sid(u_int32_t sid) 1083103285Sikob{ 1084103285Sikob union fw_self_id *s; 1085103285Sikob s = (union fw_self_id *) &sid; 1086103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1087103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1088103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1089103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1090103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1091103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1092103285Sikob} 1093103285Sikob#endif 1094103285Sikob 1095103285Sikob/* 1096103285Sikob * To receive self ID. 1097103285Sikob */ 1098103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 1099103285Sikob{ 1100103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 1101103285Sikob union fw_self_id *self_id; 1102103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1103103285Sikob 1104103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1105103285Sikob fc->status = FWBUSINIT; 1106103285Sikob fc->max_node = fc->nodeid & 0x3f; 1107103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1108103285Sikob fc->status = FWBUSCYMELECT; 1109103285Sikob fc->topology_map->crc_len = 2; 1110103285Sikob fc->topology_map->generation ++; 1111103285Sikob fc->topology_map->self_id_count = 0; 1112103285Sikob fc->topology_map->node_count = 0; 1113103285Sikob fc->speed_map->generation ++; 1114103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1115103285Sikob self_id = &fc->topology_map->self_id[0]; 1116103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1117103285Sikob if (sid[1] != ~sid[0]) { 1118103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1119103285Sikob sid += 2; 1120103285Sikob continue; 1121103285Sikob } 1122103285Sikob *self_id = *((union fw_self_id *)sid); 1123103285Sikob fc->topology_map->crc_len++; 1124103285Sikob if(self_id->p0.sequel == 0){ 1125103285Sikob fc->topology_map->node_count ++; 1126103285Sikob c_port = 0; 1127103285Sikob#if 0 1128103285Sikob fw_print_sid(sid[0]); 1129103285Sikob#endif 1130103285Sikob node = self_id->p0.phy_id; 1131103285Sikob if(fc->max_node < node){ 1132103285Sikob fc->max_node = self_id->p0.phy_id; 1133103285Sikob } 1134103285Sikob /* XXX I'm not sure this is the right speed_map */ 1135103285Sikob fc->speed_map->speed[node][node] 1136103285Sikob = self_id->p0.phy_speed; 1137103285Sikob for (j = 0; j < node; j ++) { 1138103285Sikob fc->speed_map->speed[j][node] 1139103285Sikob = fc->speed_map->speed[node][j] 1140103285Sikob = min(fc->speed_map->speed[j][j], 1141103285Sikob self_id->p0.phy_speed); 1142103285Sikob } 1143103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1144103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1145103285Sikob fc->irm = self_id->p0.phy_id; 1146103285Sikob } 1147103285Sikob if(self_id->p0.port0 >= 0x2){ 1148103285Sikob c_port++; 1149103285Sikob } 1150103285Sikob if(self_id->p0.port1 >= 0x2){ 1151103285Sikob c_port++; 1152103285Sikob } 1153103285Sikob if(self_id->p0.port2 >= 0x2){ 1154103285Sikob c_port++; 1155103285Sikob } 1156103285Sikob } 1157103285Sikob if(c_port > 2){ 1158103285Sikob i_branch += (c_port - 2); 1159103285Sikob } 1160103285Sikob sid += 2; 1161103285Sikob self_id++; 1162103285Sikob fc->topology_map->self_id_count ++; 1163103285Sikob } 1164103285Sikob printf("%s: %d nodes", device_get_nameunit(fc->dev), fc->max_node + 1); 1165103285Sikob /* CRC */ 1166103285Sikob fc->topology_map->crc = fw_crc16( 1167103285Sikob (u_int32_t *)&fc->topology_map->generation, 1168103285Sikob fc->topology_map->crc_len * 4); 1169103285Sikob fc->speed_map->crc = fw_crc16( 1170103285Sikob (u_int32_t *)&fc->speed_map->generation, 1171103285Sikob fc->speed_map->crc_len * 4); 1172103285Sikob /* byteswap and copy to CSR */ 1173103285Sikob p = (u_int32_t *)fc->topology_map; 1174103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1175103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1176103285Sikob p = (u_int32_t *)fc->speed_map; 1177103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1178103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1179103285Sikob /* don't byte-swap u_int8_t array */ 1180103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1181103285Sikob 1182103285Sikob fc->max_hop = fc->max_node - i_branch; 1183103285Sikob#if 1 1184103285Sikob printf(", maxhop <= %d", fc->max_hop); 1185103285Sikob#endif 1186103285Sikob 1187103285Sikob if(fc->irm == -1 ){ 1188103285Sikob printf(", Not found IRM capable node"); 1189103285Sikob }else{ 1190103285Sikob printf(", cable IRM = %d", fc->irm); 1191103285Sikob if (fc->irm == fc->nodeid) 1192103285Sikob printf(" (me)\n"); 1193103285Sikob else 1194103285Sikob printf("\n"); 1195103285Sikob } 1196103285Sikob 1197103285Sikob if((fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f) ){ 1198103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1199103285Sikob fc->status = FWBUSMGRDONE; 1200103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1201103285Sikob }else{ 1202103285Sikob fc->status = FWBUSMGRELECT; 1203103285Sikob fc->bmrhandle = timeout((timeout_t *)fw_try_bmr,(void *)fc, hz / 8); 1204103285Sikob } 1205103285Sikob }else{ 1206103285Sikob fc->status = FWBUSMGRDONE; 1207103285Sikob printf("%s: BMR = %x\n", device_get_nameunit(fc->dev), CSRARC(fc, BUS_MGR_ID)); 1208103285Sikob } 1209103285Sikob free(buf, M_DEVBUF); 1210103285Sikob#if 1 1211103285Sikob /* XXX optimize gap_count, if I am BMGR */ 1212103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1213103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 1214103285Sikob } 1215103285Sikob#endif 1216103285Sikob#if 1 1217103285Sikob timeout((timeout_t *)fw_bus_probe, (void *)fc, hz/4); 1218103285Sikob#else 1219103285Sikob fw_bus_probe(fc); 1220103285Sikob#endif 1221103285Sikob} 1222106790Ssimokawa 1223103285Sikob/* 1224103285Sikob * To probe devices on the IEEE1394 bus. 1225103285Sikob */ 1226106790Ssimokawastatic void 1227106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1228103285Sikob{ 1229103285Sikob int s; 1230103285Sikob struct fw_device *fwdev, *next; 1231103285Sikob 1232103285Sikob s = splfw(); 1233103285Sikob fc->status = FWBUSEXPLORE; 1234103285Sikob fc->retry_count = 0; 1235103285Sikob 1236103285Sikob/* 1237103285Sikob * Invalidate all devices, just after bus reset. Devices 1238103285Sikob * to be removed has not been seen longer time. 1239103285Sikob */ 1240103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1241103285Sikob next = TAILQ_NEXT(fwdev, link); 1242103285Sikob if(fwdev->status != FWDEVINVAL){ 1243103285Sikob fwdev->status = FWDEVINVAL; 1244103285Sikob fwdev->rcnt = 0; 1245103285Sikob }else if(fwdev->rcnt < FW_MAXDEVRCNT){ 1246103285Sikob fwdev->rcnt ++; 1247103285Sikob }else{ 1248103285Sikob TAILQ_REMOVE(&fc->devices, fwdev, link); 1249103285Sikob free(fwdev, M_DEVBUF); 1250103285Sikob } 1251103285Sikob } 1252103285Sikob fc->ongonode = 0; 1253103285Sikob fc->ongoaddr = CSRROMOFF; 1254103285Sikob fc->ongodev = NULL; 1255103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1256103285Sikob fw_bus_explore(fc); 1257103285Sikob splx(s); 1258103285Sikob} 1259106790Ssimokawa 1260103285Sikob/* 1261103285Sikob * To collect device informations on the IEEE1394 bus. 1262103285Sikob */ 1263106790Ssimokawastatic void 1264106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1265103285Sikob{ 1266103285Sikob int err = 0; 1267103285Sikob struct fw_device *fwdev, *tfwdev; 1268103285Sikob u_int32_t addr; 1269103285Sikob struct fw_xfer *xfer; 1270103285Sikob struct fw_pkt *fp; 1271103285Sikob 1272103285Sikob if(fc->status != FWBUSEXPLORE) 1273103285Sikob return; 1274103285Sikob 1275103285Sikobloop: 1276103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1277103285Sikob 1278103285Sikob if(fc->ongonode > fc->max_node) goto done; 1279103285Sikob if(fc->ongonode >= 0x3f) goto done; 1280103285Sikob 1281103285Sikob /* check link */ 1282103285Sikob /* XXX we need to check phy_id first */ 1283103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1284103285Sikob printf("fw_bus_explore: node %d link down\n", fc->ongonode); 1285103285Sikob fc->ongonode++; 1286103285Sikob goto loop; 1287103285Sikob } 1288103285Sikob 1289103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1290103285Sikob fc->ongoeui.hi == 0xffffffff && 1291103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1292103285Sikob fc->ongoaddr = CSRROMOFF; 1293103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1294103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1295103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1296103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1297103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1298103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1299103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1300103285Sikob }else if(fc->ongodev == NULL){ 1301103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1302103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1303103285Sikob if(fwdev->eui.hi == fc->ongoeui.hi && fwdev->eui.lo == fc->ongoeui.lo){ 1304103285Sikob break; 1305103285Sikob } 1306103285Sikob } 1307103285Sikob if(fwdev != NULL){ 1308103285Sikob fwdev->dst = fc->ongonode; 1309103285Sikob fwdev->status = FWDEVATTACHED; 1310103285Sikob fc->ongonode++; 1311103285Sikob fc->ongoaddr = CSRROMOFF; 1312103285Sikob fc->ongodev = NULL; 1313103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1314103285Sikob goto loop; 1315103285Sikob } 1316103285Sikob fwdev = malloc(sizeof(struct fw_device), M_DEVBUF, M_DONTWAIT); 1317103285Sikob if(fwdev == NULL) 1318103285Sikob return; 1319106810Ssimokawa fwdev->fc = fc; 1320103285Sikob fwdev->rommax = 0; 1321103285Sikob fwdev->dst = fc->ongonode; 1322103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1323103285Sikob fwdev->status = FWDEVINIT; 1324103285Sikob#if 0 1325103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1326103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1327103285Sikob#else 1328103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1329103285Sikob#endif 1330103285Sikob 1331103285Sikob tfwdev = TAILQ_FIRST(&fc->devices); 1332103285Sikob while( tfwdev != NULL && 1333103285Sikob (tfwdev->eui.hi > fwdev->eui.hi) && 1334103285Sikob ((tfwdev->eui.hi == fwdev->eui.hi) && 1335103285Sikob tfwdev->eui.lo > fwdev->eui.lo)){ 1336103285Sikob tfwdev = TAILQ_NEXT( tfwdev, link); 1337103285Sikob } 1338103285Sikob if(tfwdev == NULL){ 1339103285Sikob TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 1340103285Sikob }else{ 1341103285Sikob TAILQ_INSERT_BEFORE(tfwdev, fwdev, link); 1342103285Sikob } 1343103285Sikob 1344107653Ssimokawa device_printf(fc->dev, "New %s device ID:%08x%08x\n", 1345107653Ssimokawa linkspeed[fwdev->speed], 1346107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1347103285Sikob 1348103285Sikob fc->ongodev = fwdev; 1349103285Sikob fc->ongoaddr = CSRROMOFF; 1350103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1351103285Sikob }else{ 1352103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1353103285Sikob } 1354103285Sikob#if 0 1355103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1356103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1357103285Sikob fw_bus_explore_callback); 1358103285Sikob if(xfer == NULL) goto done; 1359103285Sikob#else 1360103285Sikob xfer = fw_xfer_alloc(); 1361103285Sikob if(xfer == NULL){ 1362103285Sikob goto done; 1363103285Sikob } 1364103285Sikob xfer->send.len = 16; 1365103285Sikob xfer->spd = 0; 1366103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 1367103285Sikob if(xfer->send.buf == NULL){ 1368103285Sikob fw_xfer_free( xfer); 1369103285Sikob return; 1370103285Sikob } 1371103285Sikob 1372103285Sikob xfer->send.off = 0; 1373103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1374103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1375103285Sikob fp->mode.rreqq.tlrt = 0; 1376103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1377103285Sikob fp->mode.rreqq.pri = 0; 1378103285Sikob fp->mode.rreqq.src = 0; 1379103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1380103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1381103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1382103285Sikob xfer->act.hand = fw_bus_explore_callback; 1383103285Sikob 1384103285Sikob err = fw_asyreq(fc, -1, xfer); 1385103285Sikob if(err){ 1386103285Sikob fw_xfer_free( xfer); 1387103285Sikob return; 1388103285Sikob } 1389103285Sikob#endif 1390103285Sikob return; 1391103285Sikobdone: 1392103285Sikob /* fw_attach_devs */ 1393103285Sikob fc->status = FWBUSEXPDONE; 1394107653Ssimokawa if (firewire_debug) 1395107653Ssimokawa printf("bus_explore done\n"); 1396103285Sikob fw_attach_dev(fc); 1397103285Sikob return; 1398103285Sikob 1399103285Sikob} 1400106790Ssimokawa 1401103285Sikob/* Portable Async. request read quad */ 1402106790Ssimokawastruct fw_xfer * 1403106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1404105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1405105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1406103285Sikob{ 1407103285Sikob struct fw_xfer *xfer; 1408103285Sikob struct fw_pkt *fp; 1409103285Sikob int err; 1410103285Sikob 1411103285Sikob xfer = fw_xfer_alloc(); 1412103285Sikob if(xfer == NULL){ 1413103285Sikob return NULL; 1414103285Sikob } 1415103285Sikob xfer->send.len = 16; 1416103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1417103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 1418103285Sikob if(xfer->send.buf == NULL){ 1419103285Sikob fw_xfer_free( xfer); 1420103285Sikob return NULL; 1421103285Sikob } 1422103285Sikob 1423103285Sikob xfer->send.off = 0; 1424103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1425103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1426103285Sikob if(tl & FWP_TL_VALID){ 1427103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1428103285Sikob }else{ 1429103285Sikob fp->mode.rreqq.tlrt = 0; 1430103285Sikob } 1431103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1432103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1433103285Sikob fp->mode.rreqq.pri = 0; 1434103285Sikob fp->mode.rreqq.src = 0; 1435103285Sikob xfer->dst = addr_hi >> 16; 1436103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1437103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1438103285Sikob xfer->act.hand = hand; 1439103285Sikob 1440103285Sikob err = fw_asyreq(fc, -1, xfer); 1441103285Sikob if(err){ 1442103285Sikob fw_xfer_free( xfer); 1443103285Sikob return NULL; 1444103285Sikob } 1445103285Sikob return xfer; 1446103285Sikob} 1447106790Ssimokawa 1448103285Sikob/* 1449103285Sikob * Callback for the IEEE1394 bus information collection. 1450103285Sikob */ 1451106790Ssimokawastatic void 1452106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1453106790Ssimokawa{ 1454103285Sikob struct firewire_comm *fc; 1455103285Sikob struct fw_pkt *sfp,*rfp; 1456103285Sikob struct csrhdr *chdr; 1457103285Sikob struct csrdir *csrd; 1458103285Sikob struct csrreg *csrreg; 1459103285Sikob u_int32_t offset; 1460103285Sikob 1461103285Sikob 1462103285Sikob if(xfer == NULL) return; 1463103285Sikob fc = xfer->fc; 1464103285Sikob if(xfer->resp != 0){ 1465103285Sikob printf("resp != 0: node=%d addr=0x%x\n", 1466103285Sikob fc->ongonode, fc->ongoaddr); 1467103285Sikob fc->retry_count++; 1468103285Sikob goto nextnode; 1469103285Sikob } 1470103285Sikob 1471103285Sikob if(xfer->send.buf == NULL){ 1472103285Sikob printf("send.buf == NULL: node=%d addr=0x%x\n", 1473103285Sikob fc->ongonode, fc->ongoaddr); 1474103285Sikob printf("send.buf == NULL\n"); 1475103285Sikob fc->retry_count++; 1476103285Sikob goto nextnode; 1477103285Sikob } 1478103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1479103285Sikob 1480103285Sikob if(xfer->recv.buf == NULL){ 1481103285Sikob printf("recv.buf == NULL: node=%d addr=0x%x\n", 1482103285Sikob fc->ongonode, fc->ongoaddr); 1483103285Sikob fc->retry_count++; 1484103285Sikob goto nextnode; 1485103285Sikob } 1486103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1487103285Sikob#if 0 1488103285Sikob { 1489103285Sikob u_int32_t *qld; 1490103285Sikob int i; 1491103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1492103285Sikob printf("len:%d\n", xfer->recv.len); 1493103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1494103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1495103285Sikob if((i % 16) == 15) printf("\n"); 1496103285Sikob } 1497103285Sikob if((i % 16) != 15) printf("\n"); 1498103285Sikob } 1499103285Sikob#endif 1500103285Sikob if(fc->ongodev == NULL){ 1501103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1502103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1503103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1504103285Sikob/* If CSR is minimul confinguration, more investgation is not needed. */ 1505103285Sikob if(chdr->info_len == 1){ 1506103285Sikob goto nextnode; 1507103285Sikob }else{ 1508103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1509103285Sikob } 1510103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1511103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1512103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1513103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1514103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1515103285Sikob if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 1516103285Sikob goto nextnode; 1517103285Sikob fc->ongoaddr = CSRROMOFF; 1518103285Sikob } 1519103285Sikob }else{ 1520103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1521103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1522103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1523103285Sikob } 1524103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1525103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1526103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1527103285Sikob offset = CSRROMOFF; 1528103285Sikob }else{ 1529103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1530103285Sikob offset = csrd->off; 1531103285Sikob } 1532103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1533103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1534103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1535103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1536103285Sikob if(csrd == NULL){ 1537103285Sikob goto nextnode; 1538103285Sikob }else{ 1539103285Sikob csrd->ongoaddr = fc->ongoaddr; 1540103285Sikob fc->ongoaddr += csrreg->val * 4; 1541103285Sikob csrd->off = fc->ongoaddr; 1542103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1543103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1544103285Sikob goto nextaddr; 1545103285Sikob } 1546103285Sikob } 1547103285Sikob } 1548103285Sikob fc->ongoaddr += 4; 1549103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1550103285Sikob (fc->ongodev->rommax < 0x414)){ 1551103285Sikob if(fc->ongodev->rommax <= 0x414){ 1552103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1553103285Sikob if(csrd == NULL) goto nextnode; 1554103285Sikob csrd->off = fc->ongoaddr; 1555103285Sikob csrd->ongoaddr = fc->ongoaddr; 1556103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1557103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1558103285Sikob } 1559103285Sikob goto nextaddr; 1560103285Sikob } 1561103285Sikob 1562103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1563103285Sikob if(csrd == NULL){ 1564103285Sikob goto nextnode; 1565103285Sikob }; 1566103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1567103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1568103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1569103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1570103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1571103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1572103285Sikob offset = CSRROMOFF; 1573103285Sikob }else{ 1574103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1575103285Sikob offset = csrd->off; 1576103285Sikob } 1577103285Sikob } 1578103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1579103285Sikob goto nextnode; 1580103285Sikob } 1581103285Sikob } 1582103285Sikobnextaddr: 1583103285Sikob fw_xfer_free( xfer); 1584103285Sikob fw_bus_explore(fc); 1585103285Sikob return; 1586103285Sikobnextnode: 1587103285Sikob fw_xfer_free( xfer); 1588103285Sikob fc->ongonode++; 1589103285Sikob/* housekeeping work space */ 1590103285Sikob fc->ongoaddr = CSRROMOFF; 1591103285Sikob fc->ongodev = NULL; 1592103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1593103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1594103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1595103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1596103285Sikob } 1597103285Sikob fw_bus_explore(fc); 1598103285Sikob return; 1599103285Sikob} 1600103285Sikob 1601103285Sikob/* 1602103285Sikob * To obtain CSR register values. 1603103285Sikob */ 1604106815Ssimokawau_int32_t 1605106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1606103285Sikob{ 1607103285Sikob int i; 1608103285Sikob struct csrhdr *chdr; 1609103285Sikob struct csrreg *creg; 1610103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1611103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1612103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1613103285Sikob if(creg->key == key){ 1614103285Sikob return (u_int32_t)creg->val; 1615103285Sikob } 1616103285Sikob } 1617103285Sikob return 0; 1618103285Sikob} 1619106815Ssimokawa 1620103285Sikob/* 1621103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1622103285Sikob */ 1623106815Ssimokawastatic void 1624106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1625103285Sikob{ 1626103285Sikob struct fw_device *fwdev; 1627103285Sikob struct fw_xfer *xfer; 1628103285Sikob int i, err; 1629103285Sikob device_t *devlistp; 1630103285Sikob int devcnt; 1631103285Sikob struct firewire_dev_comm *fdc; 1632103285Sikob 1633103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1634103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1635103285Sikob if(fwdev->status == FWDEVINIT){ 1636103285Sikob fwdev->spec = getcsrdata(fwdev, CSRKEY_SPEC); 1637103285Sikob if(fwdev->spec == 0) 1638103285Sikob continue; 1639103285Sikob fwdev->ver = getcsrdata(fwdev, CSRKEY_VER); 1640103285Sikob if(fwdev->ver == 0) 1641103285Sikob continue; 1642103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1643103285Sikob 1644107653Ssimokawa device_printf(fc->dev, "Device "); 1645103285Sikob switch(fwdev->spec){ 1646103285Sikob case CSRVAL_ANSIT10: 1647103285Sikob switch(fwdev->ver){ 1648103285Sikob case CSRVAL_T10SBP2: 1649107653Ssimokawa printf("SBP-II"); 1650103285Sikob break; 1651103285Sikob default: 1652103285Sikob break; 1653103285Sikob } 1654103285Sikob break; 1655103285Sikob case CSRVAL_1394TA: 1656103285Sikob switch(fwdev->ver){ 1657103285Sikob case CSR_PROTAVC: 1658107653Ssimokawa printf("AV/C"); 1659103285Sikob break; 1660103285Sikob case CSR_PROTCAL: 1661107653Ssimokawa printf("CAL"); 1662103285Sikob break; 1663103285Sikob case CSR_PROTEHS: 1664107653Ssimokawa printf("EHS"); 1665103285Sikob break; 1666103285Sikob case CSR_PROTHAVI: 1667107653Ssimokawa printf("HAVi"); 1668103285Sikob break; 1669103285Sikob case CSR_PROTCAM104: 1670107653Ssimokawa printf("1394 Cam 1.04"); 1671103285Sikob break; 1672103285Sikob case CSR_PROTCAM120: 1673107653Ssimokawa printf("1394 Cam 1.20"); 1674103285Sikob break; 1675103285Sikob case CSR_PROTCAM130: 1676107653Ssimokawa printf("1394 Cam 1.30"); 1677103285Sikob break; 1678103285Sikob case CSR_PROTDPP: 1679107653Ssimokawa printf("1394 Direct print"); 1680103285Sikob break; 1681103285Sikob case CSR_PROTIICP: 1682107653Ssimokawa printf("Industrial & Instrument"); 1683103285Sikob break; 1684103285Sikob default: 1685107653Ssimokawa printf("unknown 1394TA"); 1686103285Sikob break; 1687103285Sikob } 1688103285Sikob break; 1689103285Sikob default: 1690107653Ssimokawa printf("unknown spec"); 1691103285Sikob break; 1692103285Sikob } 1693103285Sikob fwdev->status = FWDEVATTACHED; 1694103285Sikob printf("\n"); 1695103285Sikob } 1696103285Sikob } 1697103285Sikob err = device_get_children(fc->dev, &devlistp, &devcnt); 1698103285Sikob if( err != 0 ) 1699103285Sikob return; 1700103285Sikob for( i = 0 ; i < devcnt ; i++){ 1701103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1702103285Sikob fdc = device_get_softc(devlistp[i]); 1703103285Sikob if (fdc->post_explore != NULL) 1704103285Sikob fdc->post_explore(fdc); 1705103285Sikob } 1706103285Sikob } 1707103285Sikob free(devlistp, M_TEMP); 1708103285Sikob 1709103285Sikob /* call pending handlers */ 1710103285Sikob i = 0; 1711103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1712103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1713103285Sikob i++; 1714103285Sikob if (xfer->act.hand) 1715103285Sikob xfer->act.hand(xfer); 1716103285Sikob } 1717103285Sikob if (i > 0) 1718103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1719103285Sikob if (fc->retry_count > 0) { 1720103285Sikob printf("retry_count = %d\n", fc->retry_count); 1721103285Sikob fc->retry_probe_handle = timeout((timeout_t *)fc->ibr, 1722103285Sikob (void *)fc, hz*2); 1723103285Sikob } 1724103285Sikob return; 1725103285Sikob} 1726106815Ssimokawa 1727103285Sikob/* 1728103285Sikob * To allocate uniq transaction label. 1729103285Sikob */ 1730106815Ssimokawastatic int 1731106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1732103285Sikob{ 1733103285Sikob u_int i; 1734103285Sikob struct tlabel *tl, *tmptl; 1735103285Sikob int s; 1736103285Sikob static u_int32_t label = 0; 1737103285Sikob 1738103285Sikob s = splfw(); 1739103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1740103285Sikob label = (label + 1) & 0x3f; 1741103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1742103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1743103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1744103285Sikob } 1745103285Sikob if(tmptl == NULL) { 1746103285Sikob tl = malloc(sizeof(struct tlabel),M_DEVBUF,M_DONTWAIT); 1747103285Sikob if (tl == NULL) { 1748103285Sikob splx(s); 1749103285Sikob return (-1); 1750103285Sikob } 1751103285Sikob tl->xfer = xfer; 1752103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1753103285Sikob splx(s); 1754103285Sikob return(label); 1755103285Sikob } 1756103285Sikob } 1757103285Sikob splx(s); 1758103285Sikob 1759103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1760103285Sikob return(-1); 1761103285Sikob} 1762106815Ssimokawa 1763103285Sikob/* 1764103285Sikob * Generic packet receving process. 1765103285Sikob */ 1766106815Ssimokawavoid 1767106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1768103285Sikob{ 1769103285Sikob struct fw_pkt *fp, *resfp; 1770103285Sikob struct fw_xfer *xfer; 1771103285Sikob struct fw_bind *bind; 1772103285Sikob struct firewire_softc *sc; 1773103285Sikob int s; 1774103285Sikob#if 0 1775103285Sikob { 1776103285Sikob u_int32_t *qld; 1777103285Sikob int i; 1778103285Sikob qld = (u_int32_t *)buf; 1779103285Sikob printf("spd %d len:%d\n", spd, len); 1780103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1781103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1782103285Sikob if((i % 16) == 15) printf("\n"); 1783103285Sikob } 1784103285Sikob if((i % 16) != 15) printf("\n"); 1785103285Sikob } 1786103285Sikob#endif 1787103285Sikob fp = (struct fw_pkt *)(buf + off); 1788103285Sikob switch(fp->mode.common.tcode){ 1789103285Sikob case FWTCODE_WRES: 1790103285Sikob case FWTCODE_RRESQ: 1791103285Sikob case FWTCODE_RRESB: 1792103285Sikob case FWTCODE_LRES: 1793103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1794103285Sikob fp->mode.hdr.tlrt >> 2); 1795103285Sikob if(xfer == NULL) { 1796103285Sikob printf("fw_rcv: unknown response " 1797103285Sikob "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 1798103285Sikob fp->mode.common.tcode, 1799103285Sikob ntohs(fp->mode.hdr.src), 1800103285Sikob fp->mode.hdr.tlrt >> 2, 1801103285Sikob fp->mode.hdr.tlrt & 3, 1802103285Sikob fp->mode.rresq.data); 1803103285Sikob#if 1 1804103285Sikob printf("try ad-hoc work around!!\n"); 1805103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1806103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1807103285Sikob if (xfer == NULL) { 1808103285Sikob printf("no use...\n"); 1809103285Sikob goto err; 1810103285Sikob } 1811103285Sikob#else 1812103285Sikob goto err; 1813103285Sikob#endif 1814103285Sikob } 1815103285Sikob switch(xfer->act_type){ 1816103285Sikob case FWACT_XFER: 1817103285Sikob if((xfer->sub >= 0) && 1818103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1819103285Sikob xfer->resp = EINVAL; 1820103285Sikob fw_xfer_done(xfer); 1821103285Sikob goto err; 1822103285Sikob } 1823103285Sikob xfer->recv.len = len; 1824103285Sikob xfer->recv.off = off; 1825103285Sikob xfer->recv.buf = buf; 1826103285Sikob xfer->resp = 0; 1827103285Sikob fw_xfer_done(xfer); 1828103285Sikob return; 1829103285Sikob break; 1830103285Sikob case FWACT_CH: 1831103285Sikob default: 1832103285Sikob goto err; 1833103285Sikob break; 1834103285Sikob } 1835103285Sikob break; 1836103285Sikob case FWTCODE_WREQQ: 1837103285Sikob case FWTCODE_WREQB: 1838103285Sikob case FWTCODE_RREQQ: 1839103285Sikob case FWTCODE_RREQB: 1840103285Sikob case FWTCODE_LREQ: 1841103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1842103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1843103285Sikob if(bind == NULL){ 1844103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1845103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1846103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1847103285Sikob fp->mode.common.tcode); 1848103285Sikob if (fc->status == FWBUSRESET) { 1849103285Sikob printf("fw_rcv: cannot response(bus reset)!\n"); 1850103285Sikob goto err; 1851103285Sikob } 1852103285Sikob xfer = fw_xfer_alloc(); 1853103285Sikob if(xfer == NULL){ 1854103285Sikob return; 1855103285Sikob } 1856103285Sikob xfer->spd = spd; 1857103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 1858103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1859103285Sikob switch(fp->mode.common.tcode){ 1860103285Sikob case FWTCODE_WREQQ: 1861103285Sikob case FWTCODE_WREQB: 1862103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1863103285Sikob xfer->send.len = 12; 1864103285Sikob break; 1865103285Sikob case FWTCODE_RREQQ: 1866103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1867103285Sikob xfer->send.len = 16; 1868103285Sikob break; 1869103285Sikob case FWTCODE_RREQB: 1870103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1871103285Sikob xfer->send.len = 16; 1872103285Sikob break; 1873103285Sikob case FWTCODE_LREQ: 1874103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1875103285Sikob xfer->send.len = 16; 1876103285Sikob break; 1877103285Sikob } 1878103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1879103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1880103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1881103285Sikob resfp->mode.rresb.rtcode = 7; 1882103285Sikob resfp->mode.rresb.extcode = 0; 1883103285Sikob resfp->mode.rresb.len = 0; 1884103285Sikob/* 1885103285Sikob xfer->act.hand = fw_asy_callback; 1886103285Sikob*/ 1887103285Sikob xfer->act.hand = fw_xfer_free; 1888103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1889103285Sikob fw_xfer_free( xfer); 1890103285Sikob return; 1891103285Sikob } 1892103285Sikob goto err; 1893103285Sikob } 1894103285Sikob switch(bind->xfer->act_type){ 1895103285Sikob case FWACT_XFER: 1896103285Sikob xfer = fw_xfer_alloc(); 1897103285Sikob if(xfer == NULL) goto err; 1898103285Sikob xfer->fc = bind->xfer->fc; 1899103285Sikob xfer->sc = bind->xfer->sc; 1900103285Sikob xfer->recv.buf = buf; 1901103285Sikob xfer->recv.len = len; 1902103285Sikob xfer->recv.off = off; 1903103285Sikob xfer->spd = spd; 1904103285Sikob xfer->act.hand = bind->xfer->act.hand; 1905103285Sikob if (fc->status != FWBUSRESET) 1906103285Sikob xfer->act.hand(xfer); 1907103285Sikob else 1908103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1909103285Sikob return; 1910103285Sikob break; 1911103285Sikob case FWACT_CH: 1912103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1913103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1914103285Sikob printf("%s:Discard a packet %x %d\n", 1915103285Sikob device_get_nameunit(fc->dev), 1916103285Sikob bind->xfer->sub, 1917103285Sikob fc->ir[bind->xfer->sub]->queued); 1918103285Sikob goto err; 1919103285Sikob } 1920103285Sikob xfer = fw_xfer_alloc(); 1921103285Sikob if(xfer == NULL) goto err; 1922103285Sikob xfer->recv.buf = buf; 1923103285Sikob xfer->recv.len = len; 1924103285Sikob xfer->recv.off = off; 1925103285Sikob xfer->spd = spd; 1926103285Sikob s = splfw(); 1927103285Sikob fc->ir[bind->xfer->sub]->queued++; 1928103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1929103285Sikob splx(s); 1930103285Sikob 1931103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1932103285Sikob 1933103285Sikob return; 1934103285Sikob break; 1935103285Sikob default: 1936103285Sikob goto err; 1937103285Sikob break; 1938103285Sikob } 1939103285Sikob break; 1940103285Sikob case FWTCODE_STREAM: 1941103285Sikob { 1942103285Sikob struct fw_xferq *xferq; 1943103285Sikob 1944103285Sikob xferq = fc->ir[sub]; 1945103285Sikob#if 0 1946103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1947103285Sikob sub, len, off, spd); 1948103285Sikob#endif 1949103285Sikob if(xferq->queued >= xferq->maxq) { 1950103285Sikob printf("receive queue is full\n"); 1951103285Sikob goto err; 1952103285Sikob } 1953103285Sikob xfer = fw_xfer_alloc(); 1954103285Sikob if(xfer == NULL) goto err; 1955103285Sikob xfer->recv.buf = buf; 1956103285Sikob xfer->recv.len = len; 1957103285Sikob xfer->recv.off = off; 1958103285Sikob xfer->spd = spd; 1959103285Sikob s = splfw(); 1960103285Sikob xferq->queued++; 1961103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1962103285Sikob splx(s); 1963103285Sikob sc = device_get_softc(fc->bdev); 1964103285Sikob#if __FreeBSD_version >= 500000 1965103285Sikob if (SEL_WAITING(&xferq->rsel)) 1966103285Sikob#else 1967103285Sikob if (&xferq->rsel.si_pid != 0) 1968103285Sikob#endif 1969103285Sikob selwakeup(&xferq->rsel); 1970103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1971103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1972103285Sikob wakeup((caddr_t)xferq); 1973103285Sikob } 1974103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1975103285Sikob xferq->hand(xferq); 1976103285Sikob } 1977103285Sikob return; 1978103285Sikob break; 1979103285Sikob } 1980103285Sikob default: 1981103285Sikob printf("fw_rcv: unknow tcode\n"); 1982103285Sikob break; 1983103285Sikob } 1984103285Sikoberr: 1985103285Sikob free(buf, M_DEVBUF); 1986103285Sikob} 1987106815Ssimokawa 1988103285Sikob/* 1989103285Sikob * Post process for Bus Manager election process. 1990103285Sikob */ 1991103285Sikobstatic void 1992103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1993103285Sikob{ 1994103285Sikob struct fw_pkt *sfp,*rfp; 1995103285Sikob struct firewire_comm *fc; 1996103285Sikob 1997103285Sikob if(xfer == NULL) return; 1998103285Sikob fc = xfer->fc; 1999103285Sikob if(xfer->resp != 0){ 2000103285Sikob goto error; 2001103285Sikob } 2002103285Sikob 2003103285Sikob if(xfer->send.buf == NULL){ 2004103285Sikob goto error; 2005103285Sikob } 2006103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2007103285Sikob 2008103285Sikob if(xfer->recv.buf == NULL){ 2009103285Sikob goto error; 2010103285Sikob } 2011103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2012103285Sikob CSRARC(fc, BUS_MGR_ID) 2013103285Sikob = fc->set_bmr(fc, ntohl(rfp->mode.lres.payload[0]) & 0x3f); 2014103285Sikob printf("%s: new bus manager %d ", 2015103285Sikob device_get_nameunit(fc->dev), CSRARC(fc, BUS_MGR_ID)); 2016103285Sikob if((htonl(rfp->mode.lres.payload[0]) & 0x3f) == fc->nodeid){ 2017103285Sikob printf("(me)\n"); 2018103285Sikob/* If I am bus manager, optimize gapcount */ 2019103285Sikob if(fc->max_hop <= MAX_GAPHOP ){ 2020103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 2021103285Sikob } 2022103285Sikob }else{ 2023103285Sikob printf("\n"); 2024103285Sikob } 2025103285Sikoberror: 2026103285Sikob fw_xfer_free(xfer); 2027103285Sikob} 2028106815Ssimokawa 2029103285Sikob/* 2030103285Sikob * To candidate Bus Manager election process. 2031103285Sikob */ 2032106815Ssimokawavoid 2033106815Ssimokawafw_try_bmr(void *arg) 2034103285Sikob{ 2035103285Sikob struct fw_xfer *xfer; 2036103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 2037103285Sikob struct fw_pkt *fp; 2038103285Sikob int err = 0; 2039103285Sikob 2040103285Sikob xfer = fw_xfer_alloc(); 2041103285Sikob if(xfer == NULL){ 2042103285Sikob return; 2043103285Sikob } 2044103285Sikob xfer->send.len = 24; 2045103285Sikob xfer->spd = 0; 2046103285Sikob xfer->send.buf = malloc(24, M_DEVBUF, M_DONTWAIT); 2047103285Sikob if(xfer->send.buf == NULL){ 2048103285Sikob fw_xfer_free( xfer); 2049103285Sikob return; 2050103285Sikob } 2051103285Sikob 2052103285Sikob fc->status = FWBUSMGRELECT; 2053103285Sikob 2054103285Sikob xfer->send.off = 0; 2055103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2056103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 2057103285Sikob fp->mode.lreq.tlrt = 0; 2058103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2059103285Sikob fp->mode.lreq.pri = 0; 2060103285Sikob fp->mode.lreq.src = 0; 2061103285Sikob fp->mode.lreq.len = htons(8); 2062103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 2063103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2064103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 2065103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 2066103285Sikob fp->mode.lreq.payload[0] = 0x3f; 2067103285Sikob fp->mode.lreq.payload[1] = fc->nodeid; 2068103285Sikob xfer->act_type = FWACT_XFER; 2069103285Sikob xfer->act.hand = fw_try_bmr_callback; 2070103285Sikob 2071103285Sikob err = fw_asyreq(fc, -1, xfer); 2072103285Sikob if(err){ 2073103285Sikob fw_xfer_free( xfer); 2074103285Sikob return; 2075103285Sikob } 2076103285Sikob return; 2077103285Sikob} 2078106543Ssimokawa 2079106543Ssimokawa#ifdef FW_VMACCESS 2080103285Sikob/* 2081103285Sikob * Software implementation for physical memory block access. 2082103285Sikob * XXX:Too slow, usef for debug purpose only. 2083103285Sikob */ 2084106815Ssimokawastatic void 2085106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2086103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2087103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 2088103285Sikob 2089103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 2090103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2091103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2092103285Sikob if(xfer->resp != 0){ 2093103285Sikob fw_xfer_free( xfer); 2094103285Sikob return; 2095103285Sikob } 2096103285Sikob if(xfer->recv.buf == NULL){ 2097103285Sikob fw_xfer_free( xfer); 2098103285Sikob return; 2099103285Sikob } 2100103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2101103285Sikob switch(rfp->mode.hdr.tcode){ 2102103285Sikob /* XXX need fix for 64bit arch */ 2103103285Sikob case FWTCODE_WREQB: 2104103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 2105103285Sikob xfer->send.len = 12; 2106103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2107103285Sikob bcopy(rfp->mode.wreqb.payload, 2108103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2109103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2110103285Sikob sfp->mode.wres.rtcode = 0; 2111103285Sikob break; 2112103285Sikob case FWTCODE_WREQQ: 2113103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 2114103285Sikob xfer->send.len = 12; 2115103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2116103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2117103285Sikob sfp->mode.wres.rtcode = 0; 2118103285Sikob break; 2119103285Sikob case FWTCODE_RREQB: 2120103285Sikob xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_DEVBUF, M_NOWAIT); 2121103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2122103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2123103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2124103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2125103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2126103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2127103285Sikob sfp->mode.rresb.rtcode = 0; 2128103285Sikob sfp->mode.rresb.extcode = 0; 2129103285Sikob break; 2130103285Sikob case FWTCODE_RREQQ: 2131103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 2132103285Sikob xfer->send.len = 16; 2133103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2134103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2135103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2136103285Sikob sfp->mode.rresb.rtcode = 0; 2137103285Sikob break; 2138103285Sikob default: 2139103285Sikob fw_xfer_free( xfer); 2140103285Sikob return; 2141103285Sikob } 2142103285Sikob xfer->send.off = 0; 2143103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2144103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2145103285Sikob xfer->act.hand = fw_xfer_free; 2146103285Sikob xfer->retry_req = fw_asybusy; 2147103285Sikob 2148103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2149103285Sikob sfp->mode.hdr.pri = 0; 2150103285Sikob 2151103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2152103285Sikob/**/ 2153103285Sikob return; 2154103285Sikob} 2155106543Ssimokawa#endif 2156106543Ssimokawa 2157103285Sikob/* 2158103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2159103285Sikob */ 2160106815Ssimokawau_int16_t 2161106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2162103285Sikob u_int32_t i, sum, crc = 0; 2163103285Sikob int shift; 2164103285Sikob len = (len + 3) & ~3; 2165103285Sikob for(i = 0 ; i < len ; i+= 4){ 2166103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2167103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2168103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2169103285Sikob } 2170103285Sikob crc &= 0xffff; 2171103285Sikob } 2172103285Sikob return((u_int16_t) crc); 2173103285Sikob} 2174106815Ssimokawa 2175103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2176103285SikobMODULE_VERSION(firewire, 1); 2177