firewire.c revision 108853
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 108853 2003-01-07 04:26:45Z 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; 61108281SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 62103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 63108281Ssimokawa "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), 98108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 99108642Ssimokawa DEVMETHOD(device_resume, bus_generic_resume), 100103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 101103285Sikob 102103285Sikob /* Bus interface */ 103103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 104103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 105103285Sikob 106103285Sikob { 0, 0 } 107103285Sikob}; 108103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 109103285Sikob 110103285Sikob#define MAX_GAPHOP 16 111103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 112103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 113106813Ssimokawa 114106813Ssimokawaextern struct cdevsw firewire_cdevsw; 115106813Ssimokawa 116103285Sikobstatic driver_t firewire_driver = { 117103285Sikob "firewire", 118103285Sikob firewire_methods, 119103285Sikob sizeof(struct firewire_softc), 120103285Sikob}; 121103285Sikob 122103285Sikob/* 123103285Sikob * transmitter buffer update. 124103285Sikob */ 125103285Sikobint 126103285Sikobfw_tbuf_update(struct firewire_comm *fc, int sub, int flag){ 127103285Sikob struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 128103285Sikob struct fw_dvbuf *dvbuf = NULL; 129103285Sikob struct fw_xferq *it; 130103285Sikob int s, err = 0, i, j, chtag; 131103285Sikob struct fw_pkt *fp; 132103285Sikob u_int64_t tmpsync, dvsync; 133103285Sikob 134103285Sikob it = fc->it[sub]; 135103285Sikob 136103285Sikob s = splfw(); 137103285Sikob if(it->stdma == NULL){ 138103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 139103285Sikob }else if(flag != 0){ 140103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 141103285Sikob if(bulkxfer == it->stdma){ 142103285Sikob STAILQ_REMOVE_HEAD(&it->stvalid, link); 143103285Sikob it->stdma->flag = 0; 144103285Sikob STAILQ_INSERT_TAIL(&it->stfree, it->stdma, link); 145103285Sikob if(!(it->flag & FWXFERQ_DV)) 146103285Sikob wakeup(it); 147103285Sikob } 148103285Sikob bulkxfer = STAILQ_FIRST(&it->stvalid); 149103285Sikob }else{ 150103285Sikob bulkxfer = it->stdma; 151103285Sikob } 152103285Sikob splx(s); 153103285Sikob if(bulkxfer != NULL){ 154103285Sikob s = splfw(); 155103285Sikob bulkxfer2 = STAILQ_NEXT(bulkxfer, link); 156103285Sikob#if 0 157103285Sikob if(it->flag & FWXFERQ_DV && bulkxfer2 == NULL){ 158103285Sikob bulkxfer2 = STAILQ_FIRST(&it->stfree); 159103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 160103285Sikob splx(s); 161103285Sikob bcopy(bulkxfer->buf, bulkxfer2->buf, 162103285Sikob it->psize * it->btpacket); 163103285Sikob s = splfw(); 164103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, bulkxfer2, link); 165103285Sikob } 166103285Sikob#endif 167103285Sikob splx(s); 168103285Sikob } 169103285Sikob it->stdma = bulkxfer; 170103285Sikob it->stdma2 = bulkxfer2; 171103285Sikob 172103285Sikob if(it->flag & FWXFERQ_DV){ 173103285Sikob chtag = it->flag & 0xff; 174103285Sikobdvloop: 175103285Sikob if(it->dvdma == NULL){ 176103285Sikob dvbuf = STAILQ_FIRST(&it->dvvalid); 177103285Sikob if(dvbuf != NULL){ 178103285Sikob s = splfw(); 179103285Sikob STAILQ_REMOVE_HEAD(&it->dvvalid, link); 180103285Sikob it->dvdma = dvbuf; 181103285Sikob splx(s); 182103285Sikob it->queued = 0; 183103285Sikob } 184103285Sikob } 185103285Sikob if(it->dvdma == NULL) 186103285Sikob return err; 187103285Sikob 188103285Sikob it->stproc = STAILQ_FIRST(&it->stfree); 189103285Sikob if(it->stproc != NULL){ 190103285Sikob s = splfw(); 191103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 192103285Sikob splx(s); 193103285Sikob }else{ 194103285Sikob return err; 195103285Sikob } 196103285Sikob/* 197103285Sikob * Insert least significant 12 bits timestamp value by computation. 198103285Sikob * Highest significant 4 bits is insert at just before packet sending. 199103285Sikob */ 200103285Sikob fp = (struct fw_pkt *)(it->stproc->buf); 201103285Sikob/* XXX: Parameter relies on NTSC type DV video */ 202103485Sikob tmpsync = (u_int64_t)3072 * 8000 * 100 / 2997; 203103285Sikob tmpsync *= it->dvsync; 204103285Sikob dvsync = tmpsync; 205103285Sikob dvsync %= 0xc00; 206103285Sikob fp->mode.ld[2] = htonl(0x80000000 | (dvsync % 0xc00)); 207103285Sikob it->dvsync ++; 208103285Sikob it->dvsync %= 2997; 209103285Sikob 210103285Sikob for( i = 0, j = 0 ; i < it->dvpacket ; i++){ 211103285Sikob bcopy(it->dvdma->buf + it->queued * it->psize, 212103285Sikob it->stproc->buf + j * it->psize, it->psize); 213103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 214103285Sikob fp->mode.stream.len = htons(488); 215103285Sikob fp->mode.stream.chtag = chtag; 216103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 217103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 0x00780000 | it->dvdbc); 218103285Sikob it->dvdbc++; 219103285Sikob it->dvdbc %= 256; 220103285Sikob it->queued ++; 221103285Sikob j++; 222103285Sikob/* XXX: Parameter relies on NTSC type DV video */ 223103285Sikob#if 1 224103285Sikob#define DVDIFF 203 225103285Sikob#define DVFRAC 2997 226103285Sikob#else 227103285Sikob#define DVDIFF 127 228103285Sikob#define DVFRAC 1875 229103285Sikob#endif 230103285Sikob it->dvdiff += DVDIFF; 231103285Sikob if(it->dvdiff >= DVFRAC){ 232103285Sikob it->dvdiff %= DVFRAC; 233103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 234103285Sikob 235103285Sikob fp->mode.stream.len = htons(0x8); 236103285Sikob fp->mode.stream.chtag = chtag; 237103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 238103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 239103285Sikob 0x00780000 | it->dvdbc); 240103285Sikob j++; 241103285Sikob } 242103285Sikob } 243103285Sikob it->stproc->npacket = j; 244103285Sikob s = splfw(); 245103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 246103285Sikob splx(s); 247103285Sikob if(it->queued >= it->dvpacket){ 248103285Sikob s = splfw(); 249103285Sikob STAILQ_INSERT_TAIL(&it->dvfree, it->dvdma, link); 250103285Sikob it->dvdma = NULL; 251103285Sikob splx(s); 252103285Sikob wakeup(it); 253103285Sikob goto dvloop; 254103285Sikob } 255103285Sikob } 256103285Sikob return err; 257103285Sikob} 258103285Sikob/* 259103285Sikob * receving buffer update. 260103285Sikob */ 261103285Sikobint 262103285Sikobfw_rbuf_update(struct firewire_comm *fc, int sub, int flag){ 263103285Sikob struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 264103285Sikob struct fw_xferq *ir; 265103285Sikob int s, err = 0; 266103285Sikob 267103285Sikob ir = fc->ir[sub]; 268103285Sikob s = splfw(); 269103285Sikob if(ir->stdma != NULL){ 270103285Sikob if(flag != 0){ 271103285Sikob STAILQ_INSERT_TAIL(&ir->stvalid, ir->stdma, link); 272103285Sikob }else{ 273103285Sikob ir->stdma->flag = 0; 274103285Sikob STAILQ_INSERT_TAIL(&ir->stfree, ir->stdma, link); 275103285Sikob } 276103285Sikob } 277103285Sikob if(ir->stdma2 != NULL){ 278103285Sikob bulkxfer = ir->stdma2; 279103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 280103285Sikob if(bulkxfer2 != NULL){ 281103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 282103285Sikob } 283103285Sikob }else{ 284103285Sikob bulkxfer = STAILQ_FIRST(&ir->stfree); 285103285Sikob if(bulkxfer != NULL){ 286103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 287103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 288103285Sikob if(bulkxfer2 != NULL){ 289103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 290103285Sikob } 291103285Sikob }else{ 292103285Sikob bulkxfer = STAILQ_FIRST(&ir->stvalid); 293103285Sikob STAILQ_REMOVE_HEAD(&ir->stvalid, link); 294103285Sikob } 295103285Sikob } 296103285Sikob splx(s); 297103285Sikob ir->stdma = bulkxfer; 298103285Sikob ir->stdma2 = bulkxfer2; 299103285Sikob return err; 300103285Sikob} 301103285Sikob 302103285Sikob/* 303103285Sikob * To lookup node id. from EUI64. 304103285Sikob */ 305106810Ssimokawastruct fw_device * 306106790Ssimokawafw_noderesolve(struct firewire_comm *fc, struct fw_eui64 eui) 307103285Sikob{ 308103285Sikob struct fw_device *fwdev; 309103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 310103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 311103285Sikob if(fwdev->eui.hi == eui.hi && fwdev->eui.lo == eui.lo){ 312103285Sikob break; 313103285Sikob } 314103285Sikob } 315106810Ssimokawa if(fwdev == NULL) return NULL; 316106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 317106810Ssimokawa return fwdev; 318103285Sikob} 319106813Ssimokawa 320103285Sikob/* 321103285Sikob * Async. request procedure for userland application. 322103285Sikob */ 323103285Sikobint 324103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 325103285Sikob{ 326103285Sikob int err = 0; 327103285Sikob struct fw_xferq *xferq; 328103285Sikob int tl = 0, len; 329103285Sikob struct fw_pkt *fp; 330103285Sikob int tcode; 331103285Sikob struct tcode_info *info; 332103285Sikob 333103285Sikob if(xfer == NULL) return EINVAL; 334108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 335103285Sikob printf("send.len > maxrec\n"); 336103285Sikob return EINVAL; 337103285Sikob } 338103285Sikob if(xfer->act.hand == NULL){ 339103285Sikob printf("act.hand == NULL\n"); 340103285Sikob return EINVAL; 341103285Sikob } 342103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 343103285Sikob 344103285Sikob tcode = fp->mode.common.tcode & 0xf; 345103285Sikob info = &fc->tcode[tcode]; 346103285Sikob if (info->flag == 0) { 347103285Sikob printf("invalid tcode=%d\n", tcode); 348103285Sikob return EINVAL; 349103285Sikob } 350103285Sikob if (info->flag & FWTI_REQ) 351103285Sikob xferq = fc->atq; 352103285Sikob else 353103285Sikob xferq = fc->ats; 354103285Sikob len = info->hdr_len; 355103285Sikob if (info->flag & FWTI_BLOCK_STR) 356103285Sikob len += ntohs(fp->mode.stream.len); 357103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 358103285Sikob len += ntohs(fp->mode.rresb.len); 359103285Sikob if( len > xfer->send.len ){ 360103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 361103285Sikob len, xfer->send.len, tcode); 362103285Sikob return EINVAL; 363103285Sikob } 364103285Sikob xfer->send.len = len; 365106790Ssimokawa 366103285Sikob if(xferq->start == NULL){ 367103285Sikob printf("xferq->start == NULL\n"); 368103285Sikob return EINVAL; 369103285Sikob } 370103285Sikob if(!(xferq->queued < xferq->maxq)){ 371108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 372108655Ssimokawa xferq->queued); 373103285Sikob return EINVAL; 374103285Sikob } 375103285Sikob 376103285Sikob 377103285Sikob if (info->flag & FWTI_TLABEL) { 378103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 379103285Sikob return EIO; 380103285Sikob fp->mode.hdr.tlrt = tl << 2; 381103285Sikob } 382103285Sikob 383103285Sikob xfer->tl = tl; 384103285Sikob xfer->tcode = tcode; 385103285Sikob xfer->resp = 0; 386103285Sikob xfer->fc = fc; 387103285Sikob xfer->q = xferq; 388103285Sikob xfer->act_type = FWACT_XFER; 389103285Sikob xfer->retry_req = fw_asybusy; 390103285Sikob 391103285Sikob fw_asystart(xfer); 392103285Sikob return err; 393103285Sikob} 394103285Sikob/* 395103285Sikob * Wakeup blocked process. 396103285Sikob */ 397103285Sikobvoid 398103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 399103285Sikob wakeup(xfer); 400103285Sikob return; 401103285Sikob} 402103285Sikob/* 403103285Sikob * Postpone to later retry. 404103285Sikob */ 405103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 406106815Ssimokawa#if 1 407103285Sikob printf("fw_asybusy\n"); 408103285Sikob#endif 409103285Sikob#if XFER_TIMEOUT 410103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 411103285Sikob#endif 412103285Sikob/* 413103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 414103285Sikob*/ 415103285Sikob DELAY(20000); 416103285Sikob fw_asystart(xfer); 417103285Sikob return; 418103285Sikob} 419103285Sikob#if XFER_TIMEOUT 420103285Sikob/* 421103285Sikob * Post timeout for async. request. 422103285Sikob */ 423103285Sikobvoid 424103285Sikobfw_xfer_timeout(void *arg) 425103285Sikob{ 426103285Sikob int s; 427103285Sikob struct fw_xfer *xfer; 428103285Sikob 429103285Sikob xfer = (struct fw_xfer *)arg; 430103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 431103285Sikob /* XXX set error code */ 432103285Sikob s = splfw(); 433103285Sikob xfer->act.hand(xfer); 434103285Sikob splx(s); 435103285Sikob} 436103285Sikob#endif 437103285Sikob/* 438103285Sikob * Async. request with given xfer structure. 439103285Sikob */ 440106790Ssimokawastatic void 441106790Ssimokawafw_asystart(struct fw_xfer *xfer) 442106790Ssimokawa{ 443103285Sikob struct firewire_comm *fc = xfer->fc; 444103285Sikob int s; 445103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 446103285Sikob xfer->resp = EBUSY; 447103285Sikob xfer->state = FWXF_BUSY; 448103285Sikob xfer->act.hand(xfer); 449103285Sikob return; 450103285Sikob } 451103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 452103285Sikob if (fc->status < FWBUSEXPLORE) { 453103285Sikob xfer->resp = EAGAIN; 454103285Sikob xfer->state = FWXF_BUSY; 455103285Sikob if (xfer->act.hand != NULL) 456103285Sikob xfer->act.hand(xfer); 457103285Sikob return; 458103285Sikob } 459103285Sikob#endif 460103285Sikob s = splfw(); 461103285Sikob xfer->state = FWXF_INQ; 462103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 463103285Sikob xfer->q->queued ++; 464103285Sikob splx(s); 465103285Sikob /* XXX just queue for mbuf */ 466103285Sikob if (xfer->mbuf == NULL) 467103285Sikob xfer->q->start(fc); 468103285Sikob#if XFER_TIMEOUT 469103285Sikob if (xfer->act.hand != NULL) 470103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 471103285Sikob#endif 472103285Sikob return; 473103285Sikob} 474106790Ssimokawa 475103285Sikobstatic int 476103285Sikobfirewire_match( device_t dev ) 477103285Sikob{ 478108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 479103285Sikob return -140; 480103285Sikob} 481106790Ssimokawa 482103285Sikob/* 483103285Sikob * The attach routine. 484103285Sikob */ 485103285Sikobstatic int 486103285Sikobfirewire_attach( device_t dev ) 487103285Sikob{ 488103285Sikob int i, unitmask, mn; 489103285Sikob struct firewire_softc *sc = device_get_softc(dev); 490103285Sikob device_t pa = device_get_parent(dev); 491103285Sikob struct firewire_comm *fc; 492103285Sikob dev_t d; 493103285Sikob 494103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 495103285Sikob sc->fc = fc; 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), 504108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 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), 516108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 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 525108853Ssimokawa callout_init(&sc->fc->busprobe_callout 526108853Ssimokawa#if __FreeBSD_version >= 500000 527108853Ssimokawa , /* mpsafe? */ 0); 528108853Ssimokawa#else 529108853Ssimokawa ); 530108853Ssimokawa#endif 531108853Ssimokawa 532103285Sikob /* Locate our children */ 533103285Sikob bus_generic_probe(dev); 534103285Sikob 535103285Sikob /* launch attachement of the added children */ 536103285Sikob bus_generic_attach(dev); 537103285Sikob 538103285Sikob /* bus_reset */ 539103285Sikob fc->ibr(fc); 540103285Sikob 541103285Sikob return 0; 542103285Sikob} 543103285Sikob 544103285Sikob/* 545103285Sikob * Attach it as child. 546103285Sikob */ 547103285Sikobstatic device_t 548103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 549103285Sikob{ 550103285Sikob device_t child; 551103285Sikob struct firewire_softc *sc; 552103285Sikob 553103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 554103285Sikob child = device_add_child(dev, name, unit); 555103285Sikob if (child) { 556103285Sikob device_set_ivars(child, sc->fc); 557103285Sikob device_probe_and_attach(child); 558103285Sikob } 559103285Sikob 560103285Sikob return child; 561103285Sikob} 562106790Ssimokawa 563103285Sikob/* 564103285Sikob * Dettach it. 565103285Sikob */ 566103285Sikobstatic int 567103285Sikobfirewire_detach( device_t dev ) 568103285Sikob{ 569103285Sikob struct firewire_softc *sc; 570103285Sikob 571103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 572106790Ssimokawa 573103285Sikob#if __FreeBSD_version >= 500000 574103285Sikob destroy_dev(sc->dev); 575103285Sikob#else 576103285Sikob { 577103285Sikob int j; 578103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 579103285Sikob destroy_dev(sc->dev[j]); 580103285Sikob } 581103285Sikob#endif 582103285Sikob /* XXX xfree_free and untimeout on all xfers */ 583103285Sikob untimeout((timeout_t *)sc->fc->timeout, sc->fc, sc->fc->timeouthandle); 584103285Sikob free(sc->fc->topology_map, M_DEVBUF); 585103285Sikob free(sc->fc->speed_map, M_DEVBUF); 586103285Sikob bus_generic_detach(dev); 587103285Sikob return(0); 588103285Sikob} 589103285Sikob#if 0 590103285Sikobstatic int 591103285Sikobfirewire_shutdown( device_t dev ) 592103285Sikob{ 593103285Sikob return 0; 594103285Sikob} 595103285Sikob#endif 596106790Ssimokawa 597103285Sikob/* 598106790Ssimokawa * Called after bus reset. 599103285Sikob */ 600106790Ssimokawavoid 601106790Ssimokawafw_busreset(struct firewire_comm *fc) 602103285Sikob{ 603103285Sikob int i; 604103285Sikob struct fw_xfer *xfer; 605103285Sikob 606103285Sikob switch(fc->status){ 607103285Sikob case FWBUSMGRELECT: 608103285Sikob untimeout((timeout_t *)fw_try_bmr, (void *)fc, fc->bmrhandle); 609103285Sikob break; 610103285Sikob default: 611103285Sikob break; 612103285Sikob } 613103285Sikob fc->status = FWBUSRESET; 614103285Sikob/* XXX: discard all queued packet */ 615103285Sikob while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 616103285Sikob STAILQ_REMOVE_HEAD(&fc->atq->q, link); 617103285Sikob xfer->resp = EAGAIN; 618103285Sikob switch(xfer->act_type){ 619103285Sikob case FWACT_XFER: 620103285Sikob fw_xfer_done(xfer); 621103285Sikob break; 622103285Sikob default: 623103285Sikob break; 624103285Sikob } 625103285Sikob fw_xfer_free( xfer); 626103285Sikob } 627103285Sikob while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 628103285Sikob STAILQ_REMOVE_HEAD(&fc->ats->q, link); 629103285Sikob xfer->resp = EAGAIN; 630103285Sikob switch(xfer->act_type){ 631103285Sikob case FWACT_XFER: 632103285Sikob fw_xfer_done(xfer); 633103285Sikob default: 634103285Sikob break; 635103285Sikob } 636103285Sikob fw_xfer_free( xfer); 637103285Sikob } 638103285Sikob for(i = 0; i < fc->nisodma; i++) 639103285Sikob while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 640103285Sikob STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 641103285Sikob xfer->resp = 0; 642103285Sikob switch(xfer->act_type){ 643103285Sikob case FWACT_XFER: 644103285Sikob fw_xfer_done(xfer); 645103285Sikob break; 646103285Sikob default: 647103285Sikob break; 648103285Sikob } 649103285Sikob fw_xfer_free( xfer); 650103285Sikob } 651103285Sikob 652103285Sikob CSRARC(fc, STATE_CLEAR) 653103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 654103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 655103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 656103285Sikob 657103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 658103285Sikob fc->irm = -1; 659103285Sikob 660103285Sikob fc->max_node = -1; 661103285Sikob 662103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 663103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 664103285Sikob } 665103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 666103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 667103285Sikob CSRARC(fc, RESET_START) = 0; 668103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 669103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 670103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 671103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 672103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 673103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 674103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 675103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 676103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 677103285Sikob 678103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 679103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 680103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 681103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 682103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 683103285Sikob 684103285Sikob/* DV depend CSRs see blue book */ 685103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 686103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 687103285Sikob 688103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 689103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 690103285Sikob} 691106790Ssimokawa 692103285Sikob/* Call once after reboot */ 693106790Ssimokawavoid fw_init(struct firewire_comm *fc) 694103285Sikob{ 695103285Sikob int i; 696106543Ssimokawa struct csrdir *csrd; 697106543Ssimokawa#ifdef FW_VMACCESS 698103285Sikob struct fw_xfer *xfer; 699103285Sikob struct fw_bind *fwb; 700106543Ssimokawa#endif 701103285Sikob 702103285Sikob fc->max_asyretry = FW_MAXASYRTY; 703103285Sikob 704103285Sikob fc->arq->queued = 0; 705103285Sikob fc->ars->queued = 0; 706103285Sikob fc->atq->queued = 0; 707103285Sikob fc->ats->queued = 0; 708103285Sikob 709103285Sikob fc->arq->psize = FWPMAX_S400; 710103285Sikob fc->ars->psize = FWPMAX_S400; 711103285Sikob fc->atq->psize = FWPMAX_S400; 712103285Sikob fc->ats->psize = FWPMAX_S400; 713103285Sikob 714103285Sikob 715103285Sikob fc->arq->buf = NULL; 716103285Sikob fc->ars->buf = NULL; 717103285Sikob fc->atq->buf = NULL; 718103285Sikob fc->ats->buf = NULL; 719103285Sikob 720103285Sikob fc->arq->flag = FWXFERQ_PACKET; 721103285Sikob fc->ars->flag = FWXFERQ_PACKET; 722103285Sikob fc->atq->flag = FWXFERQ_PACKET; 723103285Sikob fc->ats->flag = FWXFERQ_PACKET; 724103285Sikob 725103285Sikob STAILQ_INIT(&fc->atq->q); 726103285Sikob STAILQ_INIT(&fc->ats->q); 727103285Sikob 728103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 729103285Sikob fc->it[i]->queued = 0; 730103285Sikob fc->ir[i]->queued = 0; 731103285Sikob 732103285Sikob fc->it[i]->start = NULL; 733103285Sikob fc->ir[i]->start = NULL; 734103285Sikob 735103285Sikob fc->it[i]->buf = NULL; 736103285Sikob fc->ir[i]->buf = NULL; 737103285Sikob 738103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 739103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 740103285Sikob 741103285Sikob STAILQ_INIT(&fc->it[i]->q); 742103285Sikob STAILQ_INIT(&fc->ir[i]->q); 743103285Sikob 744103285Sikob STAILQ_INIT(&fc->it[i]->binds); 745103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 746103285Sikob } 747103285Sikob 748103285Sikob fc->arq->maxq = FWMAXQUEUE; 749103285Sikob fc->ars->maxq = FWMAXQUEUE; 750103285Sikob fc->atq->maxq = FWMAXQUEUE; 751103285Sikob fc->ats->maxq = FWMAXQUEUE; 752103285Sikob 753103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 754103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 755103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 756103285Sikob } 757103285Sikob/* Initialize csr registers */ 758103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 759103285Sikob sizeof(struct fw_topology_map), 760103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 761103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 762103285Sikob sizeof(struct fw_speed_map), 763103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 764103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 765103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 766103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 767103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 768103285Sikob 769103285Sikob TAILQ_INIT(&fc->devices); 770103285Sikob STAILQ_INIT(&fc->pending); 771103285Sikob 772103285Sikob/* Initialize csr ROM work space */ 773103285Sikob SLIST_INIT(&fc->ongocsr); 774103285Sikob SLIST_INIT(&fc->csrfree); 775103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 776103285Sikob csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_DEVBUF,M_DONTWAIT); 777103285Sikob if(csrd == NULL) break; 778103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 779103285Sikob } 780103285Sikob 781103285Sikob/* Initialize Async handlers */ 782103285Sikob STAILQ_INIT(&fc->binds); 783103285Sikob for( i = 0 ; i < 0x40 ; i++){ 784103285Sikob STAILQ_INIT(&fc->tlabels[i]); 785103285Sikob } 786103285Sikob 787103285Sikob/* DV depend CSRs see blue book */ 788103285Sikob#if 0 789103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 790103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 791103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 792103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 793103285Sikob } 794103285Sikob 795103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 796103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 797103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 798103285Sikob CSRARC(fc, i + iPCR) = 0x0; 799103285Sikob } 800103285Sikob#endif 801103285Sikob 802103285Sikob 803106543Ssimokawa#ifdef FW_VMACCESS 804103285Sikob xfer = fw_xfer_alloc(); 805103285Sikob if(xfer == NULL) return; 806103285Sikob 807103285Sikob fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_DONTWAIT); 808103285Sikob if(fwb == NULL){ 809103285Sikob fw_xfer_free(xfer); 810103285Sikob } 811103285Sikob xfer->act.hand = fw_vmaccess; 812103285Sikob xfer->act_type = FWACT_XFER; 813103285Sikob xfer->fc = fc; 814103285Sikob xfer->sc = NULL; 815103285Sikob 816103285Sikob fwb->start_hi = 0x2; 817103285Sikob fwb->start_lo = 0; 818103285Sikob fwb->addrlen = 0xffffffff; 819103285Sikob fwb->xfer = xfer; 820103285Sikob fw_bindadd(fc, fwb); 821106543Ssimokawa#endif 822103285Sikob} 823106790Ssimokawa 824103285Sikob/* 825103285Sikob * To lookup binded process from IEEE1394 address. 826103285Sikob */ 827106813Ssimokawastruct fw_bind * 828106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 829103285Sikob{ 830103285Sikob struct fw_bind *tfw; 831103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 832103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 833103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 834103285Sikob tfw->start_hi == dest_hi && 835103285Sikob tfw->start_lo <= dest_lo && 836103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 837103285Sikob return(tfw); 838103285Sikob } 839103285Sikob } 840103285Sikob return(NULL); 841103285Sikob} 842106790Ssimokawa 843103285Sikob/* 844103285Sikob * To bind IEEE1394 address block to process. 845103285Sikob */ 846106790Ssimokawaint 847106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 848103285Sikob{ 849103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 850103285Sikob int err = 0; 851103285Sikob tfw = STAILQ_FIRST(&fc->binds); 852103285Sikob if(tfw == NULL){ 853103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 854103285Sikob goto out; 855103285Sikob } 856103285Sikob if((tfw->start_hi > fwb->start_hi) || 857103285Sikob (tfw->start_hi == fwb->start_hi && 858103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 859103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 860103285Sikob goto out; 861103285Sikob } 862103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 863103285Sikob if((tfw->start_hi < fwb->start_hi) || 864103285Sikob (tfw->start_hi == fwb->start_hi && 865103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 866103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 867103285Sikob if(tfw2 == NULL) 868103285Sikob break; 869103285Sikob if((tfw2->start_hi > fwb->start_hi) || 870103285Sikob (tfw2->start_hi == fwb->start_hi && 871103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 872103285Sikob break; 873103285Sikob }else{ 874103285Sikob err = EBUSY; 875103285Sikob goto out; 876103285Sikob } 877103285Sikob } 878103285Sikob } 879103285Sikob if(tfw != NULL){ 880103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 881103285Sikob }else{ 882103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 883103285Sikob } 884103285Sikobout: 885103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 886103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 887103285Sikob } 888103285Sikob return err; 889103285Sikob} 890103285Sikob 891103285Sikob/* 892103285Sikob * To free IEEE1394 address block. 893103285Sikob */ 894106790Ssimokawaint 895106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 896103285Sikob{ 897103285Sikob int s; 898103285Sikob 899103285Sikob s = splfw(); 900103285Sikob /* shall we check the existance? */ 901103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 902103285Sikob splx(s); 903103285Sikob if (fwb->xfer) 904103285Sikob fw_xfer_free(fwb->xfer); 905103285Sikob 906103285Sikob return 0; 907103285Sikob} 908103285Sikob 909103285Sikob/* 910103285Sikob * To free transaction label. 911103285Sikob */ 912106790Ssimokawastatic void 913106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 914103285Sikob{ 915103285Sikob struct tlabel *tl; 916103285Sikob int s = splfw(); 917103285Sikob 918103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 919103285Sikob tl = STAILQ_NEXT(tl, link)){ 920103285Sikob if(tl->xfer == xfer){ 921103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 922103285Sikob free(tl, M_DEVBUF); 923103285Sikob splx(s); 924103285Sikob return; 925103285Sikob } 926103285Sikob } 927103285Sikob splx(s); 928103285Sikob return; 929103285Sikob} 930106790Ssimokawa 931103285Sikob/* 932103285Sikob * To obtain XFER structure by transaction label. 933103285Sikob */ 934106790Ssimokawastatic struct fw_xfer * 935106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 936103285Sikob{ 937103285Sikob struct fw_xfer *xfer; 938103285Sikob struct tlabel *tl; 939103285Sikob int s = splfw(); 940103285Sikob 941103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 942103285Sikob tl = STAILQ_NEXT(tl, link)){ 943103285Sikob if(tl->xfer->dst == node){ 944103285Sikob xfer = tl->xfer; 945103285Sikob splx(s); 946103285Sikob return(xfer); 947103285Sikob } 948103285Sikob } 949103285Sikob splx(s); 950103285Sikob return(NULL); 951103285Sikob} 952106790Ssimokawa 953103285Sikob/* 954103285Sikob * To allocate IEEE1394 XFER structure. 955103285Sikob */ 956106790Ssimokawastruct fw_xfer * 957106790Ssimokawafw_xfer_alloc() 958103285Sikob{ 959103285Sikob struct fw_xfer *xfer; 960106790Ssimokawa 961103285Sikob xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_DONTWAIT | M_ZERO); 962106790Ssimokawa if (xfer == NULL) 963106790Ssimokawa return xfer; 964106790Ssimokawa 965103285Sikob xfer->time = time_second; 966103285Sikob xfer->sub = -1; 967106790Ssimokawa 968103285Sikob return xfer; 969103285Sikob} 970106790Ssimokawa 971103285Sikob/* 972103285Sikob * IEEE1394 XFER post process. 973103285Sikob */ 974103285Sikobvoid 975103285Sikobfw_xfer_done(struct fw_xfer *xfer) 976103285Sikob{ 977103285Sikob if (xfer->act.hand == NULL) 978103285Sikob return; 979103285Sikob 980103285Sikob#if XFER_TIMEOUT 981103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 982103285Sikob#endif 983103285Sikob 984103285Sikob if (xfer->fc->status != FWBUSRESET) 985103285Sikob xfer->act.hand(xfer); 986103285Sikob else { 987103285Sikob printf("fw_xfer_done: pending\n"); 988103285Sikob if (xfer->fc != NULL) 989103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 990103285Sikob else 991103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 992103285Sikob } 993103285Sikob} 994103285Sikob 995103285Sikob/* 996103285Sikob * To free IEEE1394 XFER structure. 997103285Sikob */ 998106790Ssimokawavoid 999106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 1000103285Sikob{ 1001103285Sikob int s; 1002103285Sikob if(xfer == NULL ) return; 1003103285Sikob if(xfer->state == FWXF_INQ){ 1004103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 1005103285Sikob s = splfw(); 1006103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1007103285Sikob xfer->q->queued --; 1008103285Sikob splx(s); 1009103285Sikob } 1010103285Sikob if(xfer->fc != NULL){ 1011103285Sikob if(xfer->state == FWXF_START){ 1012103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 1013103285Sikob printf("fw_xfer_free FWXF_START\n"); 1014103285Sikob#endif 1015103285Sikob s = splfw(); 1016103285Sikob xfer->q->drain(xfer->fc, xfer); 1017103285Sikob splx(s); 1018103285Sikob } 1019103285Sikob } 1020103285Sikob if(xfer->send.buf != NULL){ 1021103285Sikob free(xfer->send.buf, M_DEVBUF); 1022103285Sikob } 1023103285Sikob if(xfer->recv.buf != NULL){ 1024103285Sikob free(xfer->recv.buf, M_DEVBUF); 1025103285Sikob } 1026103285Sikob if(xfer->fc != NULL){ 1027103285Sikob fw_tl_free(xfer->fc, xfer); 1028103285Sikob } 1029103285Sikob free(xfer, M_DEVBUF); 1030103285Sikob} 1031103285Sikob 1032103285Sikob/* 1033103285Sikob * Callback for PHY configuration. 1034103285Sikob */ 1035103285Sikobstatic void 1036103285Sikobfw_phy_config_callback(struct fw_xfer *xfer) 1037103285Sikob{ 1038103285Sikob#if 0 1039103285Sikob printf("phy_config done state=%d resp=%d\n", 1040103285Sikob xfer->state, xfer->resp); 1041103285Sikob#endif 1042103285Sikob fw_xfer_free(xfer); 1043103285Sikob /* XXX need bus reset ?? */ 1044103285Sikob /* sc->fc->ibr(xfer->fc); LOOP */ 1045103285Sikob} 1046103285Sikob 1047103285Sikob/* 1048103285Sikob * To configure PHY. 1049103285Sikob */ 1050103285Sikobstatic void 1051103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1052103285Sikob{ 1053103285Sikob struct fw_xfer *xfer; 1054103285Sikob struct fw_pkt *fp; 1055103285Sikob 1056103285Sikob fc->status = FWBUSPHYCONF; 1057103285Sikob 1058103285Sikob DELAY(100000); 1059103285Sikob xfer = fw_xfer_alloc(); 1060103285Sikob xfer->send.len = 12; 1061103285Sikob xfer->send.off = 0; 1062103285Sikob xfer->fc = fc; 1063103285Sikob xfer->retry_req = fw_asybusy; 1064103285Sikob xfer->act.hand = fw_phy_config_callback; 1065103285Sikob 1066103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 1067103285Sikob M_DEVBUF, M_DONTWAIT | M_ZERO); 1068103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1069103285Sikob fp->mode.ld[1] = 0; 1070103285Sikob if (root_node >= 0) 1071103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 1072103285Sikob if (gap_count >= 0) 1073103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 1074103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1075103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1076103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1077103285Sikob 1078107653Ssimokawa if (firewire_debug) 1079107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1080103285Sikob root_node, gap_count); 1081103285Sikob fw_asyreq(fc, -1, xfer); 1082103285Sikob} 1083103285Sikob 1084103285Sikob#if 0 1085103285Sikob/* 1086103285Sikob * Dump self ID. 1087103285Sikob */ 1088103285Sikobstatic void 1089103285Sikobfw_print_sid(u_int32_t sid) 1090103285Sikob{ 1091103285Sikob union fw_self_id *s; 1092103285Sikob s = (union fw_self_id *) &sid; 1093103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1094103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1095103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1096103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1097103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1098103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1099103285Sikob} 1100103285Sikob#endif 1101103285Sikob 1102103285Sikob/* 1103103285Sikob * To receive self ID. 1104103285Sikob */ 1105103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 1106103285Sikob{ 1107103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 1108103285Sikob union fw_self_id *self_id; 1109103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1110103285Sikob 1111103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1112103285Sikob fc->status = FWBUSINIT; 1113103285Sikob fc->max_node = fc->nodeid & 0x3f; 1114103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1115103285Sikob fc->status = FWBUSCYMELECT; 1116103285Sikob fc->topology_map->crc_len = 2; 1117103285Sikob fc->topology_map->generation ++; 1118103285Sikob fc->topology_map->self_id_count = 0; 1119103285Sikob fc->topology_map->node_count = 0; 1120103285Sikob fc->speed_map->generation ++; 1121103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1122103285Sikob self_id = &fc->topology_map->self_id[0]; 1123103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1124103285Sikob if (sid[1] != ~sid[0]) { 1125103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1126103285Sikob sid += 2; 1127103285Sikob continue; 1128103285Sikob } 1129103285Sikob *self_id = *((union fw_self_id *)sid); 1130103285Sikob fc->topology_map->crc_len++; 1131103285Sikob if(self_id->p0.sequel == 0){ 1132103285Sikob fc->topology_map->node_count ++; 1133103285Sikob c_port = 0; 1134103285Sikob#if 0 1135103285Sikob fw_print_sid(sid[0]); 1136103285Sikob#endif 1137103285Sikob node = self_id->p0.phy_id; 1138103285Sikob if(fc->max_node < node){ 1139103285Sikob fc->max_node = self_id->p0.phy_id; 1140103285Sikob } 1141103285Sikob /* XXX I'm not sure this is the right speed_map */ 1142103285Sikob fc->speed_map->speed[node][node] 1143103285Sikob = self_id->p0.phy_speed; 1144103285Sikob for (j = 0; j < node; j ++) { 1145103285Sikob fc->speed_map->speed[j][node] 1146103285Sikob = fc->speed_map->speed[node][j] 1147103285Sikob = min(fc->speed_map->speed[j][j], 1148103285Sikob self_id->p0.phy_speed); 1149103285Sikob } 1150103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1151103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1152103285Sikob fc->irm = self_id->p0.phy_id; 1153103285Sikob } 1154103285Sikob if(self_id->p0.port0 >= 0x2){ 1155103285Sikob c_port++; 1156103285Sikob } 1157103285Sikob if(self_id->p0.port1 >= 0x2){ 1158103285Sikob c_port++; 1159103285Sikob } 1160103285Sikob if(self_id->p0.port2 >= 0x2){ 1161103285Sikob c_port++; 1162103285Sikob } 1163103285Sikob } 1164103285Sikob if(c_port > 2){ 1165103285Sikob i_branch += (c_port - 2); 1166103285Sikob } 1167103285Sikob sid += 2; 1168103285Sikob self_id++; 1169103285Sikob fc->topology_map->self_id_count ++; 1170103285Sikob } 1171108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1172103285Sikob /* CRC */ 1173103285Sikob fc->topology_map->crc = fw_crc16( 1174103285Sikob (u_int32_t *)&fc->topology_map->generation, 1175103285Sikob fc->topology_map->crc_len * 4); 1176103285Sikob fc->speed_map->crc = fw_crc16( 1177103285Sikob (u_int32_t *)&fc->speed_map->generation, 1178103285Sikob fc->speed_map->crc_len * 4); 1179103285Sikob /* byteswap and copy to CSR */ 1180103285Sikob p = (u_int32_t *)fc->topology_map; 1181103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1182103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1183103285Sikob p = (u_int32_t *)fc->speed_map; 1184103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1185103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1186103285Sikob /* don't byte-swap u_int8_t array */ 1187103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1188103285Sikob 1189103285Sikob fc->max_hop = fc->max_node - i_branch; 1190103285Sikob#if 1 1191103285Sikob printf(", maxhop <= %d", fc->max_hop); 1192103285Sikob#endif 1193103285Sikob 1194103285Sikob if(fc->irm == -1 ){ 1195103285Sikob printf(", Not found IRM capable node"); 1196103285Sikob }else{ 1197103285Sikob printf(", cable IRM = %d", fc->irm); 1198103285Sikob if (fc->irm == fc->nodeid) 1199103285Sikob printf(" (me)\n"); 1200103285Sikob else 1201103285Sikob printf("\n"); 1202103285Sikob } 1203103285Sikob 1204103285Sikob if((fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f) ){ 1205103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1206103285Sikob fc->status = FWBUSMGRDONE; 1207103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1208103285Sikob }else{ 1209103285Sikob fc->status = FWBUSMGRELECT; 1210103285Sikob fc->bmrhandle = timeout((timeout_t *)fw_try_bmr,(void *)fc, hz / 8); 1211103285Sikob } 1212103285Sikob }else{ 1213103285Sikob fc->status = FWBUSMGRDONE; 1214108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1215108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1216103285Sikob } 1217103285Sikob free(buf, M_DEVBUF); 1218103285Sikob#if 1 1219103285Sikob /* XXX optimize gap_count, if I am BMGR */ 1220103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1221103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 1222103285Sikob } 1223103285Sikob#endif 1224103285Sikob#if 1 1225108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1226108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1227103285Sikob#else 1228103285Sikob fw_bus_probe(fc); 1229103285Sikob#endif 1230103285Sikob} 1231106790Ssimokawa 1232103285Sikob/* 1233103285Sikob * To probe devices on the IEEE1394 bus. 1234103285Sikob */ 1235106790Ssimokawastatic void 1236106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1237103285Sikob{ 1238103285Sikob int s; 1239103285Sikob struct fw_device *fwdev, *next; 1240103285Sikob 1241103285Sikob s = splfw(); 1242103285Sikob fc->status = FWBUSEXPLORE; 1243103285Sikob fc->retry_count = 0; 1244103285Sikob 1245103285Sikob/* 1246103285Sikob * Invalidate all devices, just after bus reset. Devices 1247103285Sikob * to be removed has not been seen longer time. 1248103285Sikob */ 1249103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1250103285Sikob next = TAILQ_NEXT(fwdev, link); 1251103285Sikob if(fwdev->status != FWDEVINVAL){ 1252103285Sikob fwdev->status = FWDEVINVAL; 1253103285Sikob fwdev->rcnt = 0; 1254103285Sikob }else if(fwdev->rcnt < FW_MAXDEVRCNT){ 1255103285Sikob fwdev->rcnt ++; 1256103285Sikob }else{ 1257103285Sikob TAILQ_REMOVE(&fc->devices, fwdev, link); 1258103285Sikob free(fwdev, M_DEVBUF); 1259103285Sikob } 1260103285Sikob } 1261103285Sikob fc->ongonode = 0; 1262103285Sikob fc->ongoaddr = CSRROMOFF; 1263103285Sikob fc->ongodev = NULL; 1264103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1265103285Sikob fw_bus_explore(fc); 1266103285Sikob splx(s); 1267103285Sikob} 1268106790Ssimokawa 1269103285Sikob/* 1270103285Sikob * To collect device informations on the IEEE1394 bus. 1271103285Sikob */ 1272106790Ssimokawastatic void 1273106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1274103285Sikob{ 1275103285Sikob int err = 0; 1276103285Sikob struct fw_device *fwdev, *tfwdev; 1277103285Sikob u_int32_t addr; 1278103285Sikob struct fw_xfer *xfer; 1279103285Sikob struct fw_pkt *fp; 1280103285Sikob 1281103285Sikob if(fc->status != FWBUSEXPLORE) 1282103285Sikob return; 1283103285Sikob 1284103285Sikobloop: 1285103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1286103285Sikob 1287103285Sikob if(fc->ongonode > fc->max_node) goto done; 1288103285Sikob if(fc->ongonode >= 0x3f) goto done; 1289103285Sikob 1290103285Sikob /* check link */ 1291103285Sikob /* XXX we need to check phy_id first */ 1292103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1293103285Sikob printf("fw_bus_explore: node %d link down\n", fc->ongonode); 1294103285Sikob fc->ongonode++; 1295103285Sikob goto loop; 1296103285Sikob } 1297103285Sikob 1298103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1299103285Sikob fc->ongoeui.hi == 0xffffffff && 1300103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1301103285Sikob fc->ongoaddr = CSRROMOFF; 1302103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1303103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1304103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1305103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1306103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1307103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1308103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1309103285Sikob }else if(fc->ongodev == NULL){ 1310103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1311103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1312103285Sikob if(fwdev->eui.hi == fc->ongoeui.hi && fwdev->eui.lo == fc->ongoeui.lo){ 1313103285Sikob break; 1314103285Sikob } 1315103285Sikob } 1316103285Sikob if(fwdev != NULL){ 1317103285Sikob fwdev->dst = fc->ongonode; 1318103285Sikob fwdev->status = FWDEVATTACHED; 1319103285Sikob fc->ongonode++; 1320103285Sikob fc->ongoaddr = CSRROMOFF; 1321103285Sikob fc->ongodev = NULL; 1322103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1323103285Sikob goto loop; 1324103285Sikob } 1325103285Sikob fwdev = malloc(sizeof(struct fw_device), M_DEVBUF, M_DONTWAIT); 1326103285Sikob if(fwdev == NULL) 1327103285Sikob return; 1328106810Ssimokawa fwdev->fc = fc; 1329103285Sikob fwdev->rommax = 0; 1330103285Sikob fwdev->dst = fc->ongonode; 1331103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1332103285Sikob fwdev->status = FWDEVINIT; 1333103285Sikob#if 0 1334103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1335103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1336103285Sikob#else 1337103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1338103285Sikob#endif 1339103285Sikob 1340103285Sikob tfwdev = TAILQ_FIRST(&fc->devices); 1341103285Sikob while( tfwdev != NULL && 1342103285Sikob (tfwdev->eui.hi > fwdev->eui.hi) && 1343103285Sikob ((tfwdev->eui.hi == fwdev->eui.hi) && 1344103285Sikob tfwdev->eui.lo > fwdev->eui.lo)){ 1345103285Sikob tfwdev = TAILQ_NEXT( tfwdev, link); 1346103285Sikob } 1347103285Sikob if(tfwdev == NULL){ 1348103285Sikob TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 1349103285Sikob }else{ 1350103285Sikob TAILQ_INSERT_BEFORE(tfwdev, fwdev, link); 1351103285Sikob } 1352103285Sikob 1353108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1354107653Ssimokawa linkspeed[fwdev->speed], 1355107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1356103285Sikob 1357103285Sikob fc->ongodev = fwdev; 1358103285Sikob fc->ongoaddr = CSRROMOFF; 1359103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1360103285Sikob }else{ 1361103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1362103285Sikob } 1363103285Sikob#if 0 1364103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1365103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1366103285Sikob fw_bus_explore_callback); 1367103285Sikob if(xfer == NULL) goto done; 1368103285Sikob#else 1369103285Sikob xfer = fw_xfer_alloc(); 1370103285Sikob if(xfer == NULL){ 1371103285Sikob goto done; 1372103285Sikob } 1373103285Sikob xfer->send.len = 16; 1374103285Sikob xfer->spd = 0; 1375103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 1376103285Sikob if(xfer->send.buf == NULL){ 1377103285Sikob fw_xfer_free( xfer); 1378103285Sikob return; 1379103285Sikob } 1380103285Sikob 1381103285Sikob xfer->send.off = 0; 1382103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1383103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1384103285Sikob fp->mode.rreqq.tlrt = 0; 1385103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1386103285Sikob fp->mode.rreqq.pri = 0; 1387103285Sikob fp->mode.rreqq.src = 0; 1388103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1389103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1390103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1391103285Sikob xfer->act.hand = fw_bus_explore_callback; 1392103285Sikob 1393103285Sikob err = fw_asyreq(fc, -1, xfer); 1394103285Sikob if(err){ 1395103285Sikob fw_xfer_free( xfer); 1396103285Sikob return; 1397103285Sikob } 1398103285Sikob#endif 1399103285Sikob return; 1400103285Sikobdone: 1401103285Sikob /* fw_attach_devs */ 1402103285Sikob fc->status = FWBUSEXPDONE; 1403107653Ssimokawa if (firewire_debug) 1404107653Ssimokawa printf("bus_explore done\n"); 1405103285Sikob fw_attach_dev(fc); 1406103285Sikob return; 1407103285Sikob 1408103285Sikob} 1409106790Ssimokawa 1410103285Sikob/* Portable Async. request read quad */ 1411106790Ssimokawastruct fw_xfer * 1412106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1413105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1414105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1415103285Sikob{ 1416103285Sikob struct fw_xfer *xfer; 1417103285Sikob struct fw_pkt *fp; 1418103285Sikob int err; 1419103285Sikob 1420103285Sikob xfer = fw_xfer_alloc(); 1421103285Sikob if(xfer == NULL){ 1422103285Sikob return NULL; 1423103285Sikob } 1424103285Sikob xfer->send.len = 16; 1425103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1426103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 1427103285Sikob if(xfer->send.buf == NULL){ 1428103285Sikob fw_xfer_free( xfer); 1429103285Sikob return NULL; 1430103285Sikob } 1431103285Sikob 1432103285Sikob xfer->send.off = 0; 1433103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1434103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1435103285Sikob if(tl & FWP_TL_VALID){ 1436103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1437103285Sikob }else{ 1438103285Sikob fp->mode.rreqq.tlrt = 0; 1439103285Sikob } 1440103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1441103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1442103285Sikob fp->mode.rreqq.pri = 0; 1443103285Sikob fp->mode.rreqq.src = 0; 1444103285Sikob xfer->dst = addr_hi >> 16; 1445103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1446103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1447103285Sikob xfer->act.hand = hand; 1448103285Sikob 1449103285Sikob err = fw_asyreq(fc, -1, xfer); 1450103285Sikob if(err){ 1451103285Sikob fw_xfer_free( xfer); 1452103285Sikob return NULL; 1453103285Sikob } 1454103285Sikob return xfer; 1455103285Sikob} 1456106790Ssimokawa 1457103285Sikob/* 1458103285Sikob * Callback for the IEEE1394 bus information collection. 1459103285Sikob */ 1460106790Ssimokawastatic void 1461106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1462106790Ssimokawa{ 1463103285Sikob struct firewire_comm *fc; 1464103285Sikob struct fw_pkt *sfp,*rfp; 1465103285Sikob struct csrhdr *chdr; 1466103285Sikob struct csrdir *csrd; 1467103285Sikob struct csrreg *csrreg; 1468103285Sikob u_int32_t offset; 1469103285Sikob 1470103285Sikob 1471103285Sikob if(xfer == NULL) return; 1472103285Sikob fc = xfer->fc; 1473103285Sikob if(xfer->resp != 0){ 1474103285Sikob printf("resp != 0: node=%d addr=0x%x\n", 1475103285Sikob fc->ongonode, fc->ongoaddr); 1476103285Sikob fc->retry_count++; 1477103285Sikob goto nextnode; 1478103285Sikob } 1479103285Sikob 1480103285Sikob if(xfer->send.buf == NULL){ 1481103285Sikob printf("send.buf == NULL: node=%d addr=0x%x\n", 1482103285Sikob fc->ongonode, fc->ongoaddr); 1483103285Sikob printf("send.buf == NULL\n"); 1484103285Sikob fc->retry_count++; 1485103285Sikob goto nextnode; 1486103285Sikob } 1487103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1488103285Sikob 1489103285Sikob if(xfer->recv.buf == NULL){ 1490103285Sikob printf("recv.buf == NULL: node=%d addr=0x%x\n", 1491103285Sikob fc->ongonode, fc->ongoaddr); 1492103285Sikob fc->retry_count++; 1493103285Sikob goto nextnode; 1494103285Sikob } 1495103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1496103285Sikob#if 0 1497103285Sikob { 1498103285Sikob u_int32_t *qld; 1499103285Sikob int i; 1500103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1501103285Sikob printf("len:%d\n", xfer->recv.len); 1502103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1503103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1504103285Sikob if((i % 16) == 15) printf("\n"); 1505103285Sikob } 1506103285Sikob if((i % 16) != 15) printf("\n"); 1507103285Sikob } 1508103285Sikob#endif 1509103285Sikob if(fc->ongodev == NULL){ 1510103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1511103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1512103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1513103285Sikob/* If CSR is minimul confinguration, more investgation is not needed. */ 1514103285Sikob if(chdr->info_len == 1){ 1515103285Sikob goto nextnode; 1516103285Sikob }else{ 1517103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1518103285Sikob } 1519103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1520103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1521103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1522103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1523103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1524103285Sikob if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 1525103285Sikob goto nextnode; 1526103285Sikob fc->ongoaddr = CSRROMOFF; 1527103285Sikob } 1528103285Sikob }else{ 1529103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1530103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1531103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1532103285Sikob } 1533103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1534103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1535103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1536103285Sikob offset = CSRROMOFF; 1537103285Sikob }else{ 1538103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1539103285Sikob offset = csrd->off; 1540103285Sikob } 1541103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1542103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1543103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1544103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1545103285Sikob if(csrd == NULL){ 1546103285Sikob goto nextnode; 1547103285Sikob }else{ 1548103285Sikob csrd->ongoaddr = fc->ongoaddr; 1549103285Sikob fc->ongoaddr += csrreg->val * 4; 1550103285Sikob csrd->off = fc->ongoaddr; 1551103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1552103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1553103285Sikob goto nextaddr; 1554103285Sikob } 1555103285Sikob } 1556103285Sikob } 1557103285Sikob fc->ongoaddr += 4; 1558103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1559103285Sikob (fc->ongodev->rommax < 0x414)){ 1560103285Sikob if(fc->ongodev->rommax <= 0x414){ 1561103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1562103285Sikob if(csrd == NULL) goto nextnode; 1563103285Sikob csrd->off = fc->ongoaddr; 1564103285Sikob csrd->ongoaddr = fc->ongoaddr; 1565103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1566103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1567103285Sikob } 1568103285Sikob goto nextaddr; 1569103285Sikob } 1570103285Sikob 1571103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1572103285Sikob if(csrd == NULL){ 1573103285Sikob goto nextnode; 1574103285Sikob }; 1575103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1576103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1577103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1578103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1579103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1580103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1581103285Sikob offset = CSRROMOFF; 1582103285Sikob }else{ 1583103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1584103285Sikob offset = csrd->off; 1585103285Sikob } 1586103285Sikob } 1587103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1588103285Sikob goto nextnode; 1589103285Sikob } 1590103285Sikob } 1591103285Sikobnextaddr: 1592103285Sikob fw_xfer_free( xfer); 1593103285Sikob fw_bus_explore(fc); 1594103285Sikob return; 1595103285Sikobnextnode: 1596103285Sikob fw_xfer_free( xfer); 1597103285Sikob fc->ongonode++; 1598103285Sikob/* housekeeping work space */ 1599103285Sikob fc->ongoaddr = CSRROMOFF; 1600103285Sikob fc->ongodev = NULL; 1601103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1602103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1603103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1604103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1605103285Sikob } 1606103285Sikob fw_bus_explore(fc); 1607103285Sikob return; 1608103285Sikob} 1609103285Sikob 1610103285Sikob/* 1611103285Sikob * To obtain CSR register values. 1612103285Sikob */ 1613106815Ssimokawau_int32_t 1614106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1615103285Sikob{ 1616103285Sikob int i; 1617103285Sikob struct csrhdr *chdr; 1618103285Sikob struct csrreg *creg; 1619103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1620103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1621103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1622103285Sikob if(creg->key == key){ 1623103285Sikob return (u_int32_t)creg->val; 1624103285Sikob } 1625103285Sikob } 1626103285Sikob return 0; 1627103285Sikob} 1628106815Ssimokawa 1629103285Sikob/* 1630103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1631103285Sikob */ 1632106815Ssimokawastatic void 1633106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1634103285Sikob{ 1635103285Sikob struct fw_device *fwdev; 1636103285Sikob struct fw_xfer *xfer; 1637103285Sikob int i, err; 1638103285Sikob device_t *devlistp; 1639103285Sikob int devcnt; 1640103285Sikob struct firewire_dev_comm *fdc; 1641108701Ssimokawa u_int32_t spec, ver; 1642103285Sikob 1643103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1644103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1645103285Sikob if(fwdev->status == FWDEVINIT){ 1646108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1647108701Ssimokawa if(spec == 0) 1648103285Sikob continue; 1649108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1650108701Ssimokawa if(ver == 0) 1651103285Sikob continue; 1652103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1653103285Sikob 1654108655Ssimokawa device_printf(fc->bdev, "Device "); 1655108701Ssimokawa switch(spec){ 1656103285Sikob case CSRVAL_ANSIT10: 1657108701Ssimokawa switch(ver){ 1658103285Sikob case CSRVAL_T10SBP2: 1659107653Ssimokawa printf("SBP-II"); 1660103285Sikob break; 1661103285Sikob default: 1662103285Sikob break; 1663103285Sikob } 1664103285Sikob break; 1665103285Sikob case CSRVAL_1394TA: 1666108701Ssimokawa switch(ver){ 1667103285Sikob case CSR_PROTAVC: 1668107653Ssimokawa printf("AV/C"); 1669103285Sikob break; 1670103285Sikob case CSR_PROTCAL: 1671107653Ssimokawa printf("CAL"); 1672103285Sikob break; 1673103285Sikob case CSR_PROTEHS: 1674107653Ssimokawa printf("EHS"); 1675103285Sikob break; 1676103285Sikob case CSR_PROTHAVI: 1677107653Ssimokawa printf("HAVi"); 1678103285Sikob break; 1679103285Sikob case CSR_PROTCAM104: 1680107653Ssimokawa printf("1394 Cam 1.04"); 1681103285Sikob break; 1682103285Sikob case CSR_PROTCAM120: 1683107653Ssimokawa printf("1394 Cam 1.20"); 1684103285Sikob break; 1685103285Sikob case CSR_PROTCAM130: 1686107653Ssimokawa printf("1394 Cam 1.30"); 1687103285Sikob break; 1688103285Sikob case CSR_PROTDPP: 1689107653Ssimokawa printf("1394 Direct print"); 1690103285Sikob break; 1691103285Sikob case CSR_PROTIICP: 1692107653Ssimokawa printf("Industrial & Instrument"); 1693103285Sikob break; 1694103285Sikob default: 1695107653Ssimokawa printf("unknown 1394TA"); 1696103285Sikob break; 1697103285Sikob } 1698103285Sikob break; 1699103285Sikob default: 1700107653Ssimokawa printf("unknown spec"); 1701103285Sikob break; 1702103285Sikob } 1703103285Sikob fwdev->status = FWDEVATTACHED; 1704103285Sikob printf("\n"); 1705103285Sikob } 1706103285Sikob } 1707108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1708103285Sikob if( err != 0 ) 1709103285Sikob return; 1710103285Sikob for( i = 0 ; i < devcnt ; i++){ 1711103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1712103285Sikob fdc = device_get_softc(devlistp[i]); 1713103285Sikob if (fdc->post_explore != NULL) 1714103285Sikob fdc->post_explore(fdc); 1715103285Sikob } 1716103285Sikob } 1717103285Sikob free(devlistp, M_TEMP); 1718103285Sikob 1719103285Sikob /* call pending handlers */ 1720103285Sikob i = 0; 1721103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1722103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1723103285Sikob i++; 1724103285Sikob if (xfer->act.hand) 1725103285Sikob xfer->act.hand(xfer); 1726103285Sikob } 1727103285Sikob if (i > 0) 1728103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1729103285Sikob if (fc->retry_count > 0) { 1730103285Sikob printf("retry_count = %d\n", fc->retry_count); 1731103285Sikob fc->retry_probe_handle = timeout((timeout_t *)fc->ibr, 1732103285Sikob (void *)fc, hz*2); 1733103285Sikob } 1734103285Sikob return; 1735103285Sikob} 1736106815Ssimokawa 1737103285Sikob/* 1738103285Sikob * To allocate uniq transaction label. 1739103285Sikob */ 1740106815Ssimokawastatic int 1741106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1742103285Sikob{ 1743103285Sikob u_int i; 1744103285Sikob struct tlabel *tl, *tmptl; 1745103285Sikob int s; 1746103285Sikob static u_int32_t label = 0; 1747103285Sikob 1748103285Sikob s = splfw(); 1749103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1750103285Sikob label = (label + 1) & 0x3f; 1751103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1752103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1753103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1754103285Sikob } 1755103285Sikob if(tmptl == NULL) { 1756103285Sikob tl = malloc(sizeof(struct tlabel),M_DEVBUF,M_DONTWAIT); 1757103285Sikob if (tl == NULL) { 1758103285Sikob splx(s); 1759103285Sikob return (-1); 1760103285Sikob } 1761103285Sikob tl->xfer = xfer; 1762103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1763103285Sikob splx(s); 1764103285Sikob return(label); 1765103285Sikob } 1766103285Sikob } 1767103285Sikob splx(s); 1768103285Sikob 1769103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1770103285Sikob return(-1); 1771103285Sikob} 1772106815Ssimokawa 1773103285Sikob/* 1774103285Sikob * Generic packet receving process. 1775103285Sikob */ 1776106815Ssimokawavoid 1777106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1778103285Sikob{ 1779103285Sikob struct fw_pkt *fp, *resfp; 1780103285Sikob struct fw_xfer *xfer; 1781103285Sikob struct fw_bind *bind; 1782103285Sikob struct firewire_softc *sc; 1783103285Sikob int s; 1784103285Sikob#if 0 1785103285Sikob { 1786103285Sikob u_int32_t *qld; 1787103285Sikob int i; 1788103285Sikob qld = (u_int32_t *)buf; 1789103285Sikob printf("spd %d len:%d\n", spd, len); 1790103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1791103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1792103285Sikob if((i % 16) == 15) printf("\n"); 1793103285Sikob } 1794103285Sikob if((i % 16) != 15) printf("\n"); 1795103285Sikob } 1796103285Sikob#endif 1797103285Sikob fp = (struct fw_pkt *)(buf + off); 1798103285Sikob switch(fp->mode.common.tcode){ 1799103285Sikob case FWTCODE_WRES: 1800103285Sikob case FWTCODE_RRESQ: 1801103285Sikob case FWTCODE_RRESB: 1802103285Sikob case FWTCODE_LRES: 1803103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1804103285Sikob fp->mode.hdr.tlrt >> 2); 1805103285Sikob if(xfer == NULL) { 1806103285Sikob printf("fw_rcv: unknown response " 1807103285Sikob "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 1808103285Sikob fp->mode.common.tcode, 1809103285Sikob ntohs(fp->mode.hdr.src), 1810103285Sikob fp->mode.hdr.tlrt >> 2, 1811103285Sikob fp->mode.hdr.tlrt & 3, 1812103285Sikob fp->mode.rresq.data); 1813103285Sikob#if 1 1814103285Sikob printf("try ad-hoc work around!!\n"); 1815103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1816103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1817103285Sikob if (xfer == NULL) { 1818103285Sikob printf("no use...\n"); 1819103285Sikob goto err; 1820103285Sikob } 1821103285Sikob#else 1822103285Sikob goto err; 1823103285Sikob#endif 1824103285Sikob } 1825103285Sikob switch(xfer->act_type){ 1826103285Sikob case FWACT_XFER: 1827103285Sikob if((xfer->sub >= 0) && 1828103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1829103285Sikob xfer->resp = EINVAL; 1830103285Sikob fw_xfer_done(xfer); 1831103285Sikob goto err; 1832103285Sikob } 1833103285Sikob xfer->recv.len = len; 1834103285Sikob xfer->recv.off = off; 1835103285Sikob xfer->recv.buf = buf; 1836103285Sikob xfer->resp = 0; 1837103285Sikob fw_xfer_done(xfer); 1838103285Sikob return; 1839103285Sikob break; 1840103285Sikob case FWACT_CH: 1841103285Sikob default: 1842103285Sikob goto err; 1843103285Sikob break; 1844103285Sikob } 1845103285Sikob break; 1846103285Sikob case FWTCODE_WREQQ: 1847103285Sikob case FWTCODE_WREQB: 1848103285Sikob case FWTCODE_RREQQ: 1849103285Sikob case FWTCODE_RREQB: 1850103285Sikob case FWTCODE_LREQ: 1851103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1852103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1853103285Sikob if(bind == NULL){ 1854108712Ssimokawa#if __FreeBSD_version >= 500000 1855103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1856108712Ssimokawa#else 1857108712Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x\n", 1858108712Ssimokawa#endif 1859103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1860103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1861103285Sikob fp->mode.common.tcode); 1862103285Sikob if (fc->status == FWBUSRESET) { 1863103285Sikob printf("fw_rcv: cannot response(bus reset)!\n"); 1864103285Sikob goto err; 1865103285Sikob } 1866103285Sikob xfer = fw_xfer_alloc(); 1867103285Sikob if(xfer == NULL){ 1868103285Sikob return; 1869103285Sikob } 1870103285Sikob xfer->spd = spd; 1871103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_DONTWAIT); 1872103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1873103285Sikob switch(fp->mode.common.tcode){ 1874103285Sikob case FWTCODE_WREQQ: 1875103285Sikob case FWTCODE_WREQB: 1876103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1877103285Sikob xfer->send.len = 12; 1878103285Sikob break; 1879103285Sikob case FWTCODE_RREQQ: 1880103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1881103285Sikob xfer->send.len = 16; 1882103285Sikob break; 1883103285Sikob case FWTCODE_RREQB: 1884103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1885103285Sikob xfer->send.len = 16; 1886103285Sikob break; 1887103285Sikob case FWTCODE_LREQ: 1888103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1889103285Sikob xfer->send.len = 16; 1890103285Sikob break; 1891103285Sikob } 1892103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1893103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1894103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1895103285Sikob resfp->mode.rresb.rtcode = 7; 1896103285Sikob resfp->mode.rresb.extcode = 0; 1897103285Sikob resfp->mode.rresb.len = 0; 1898103285Sikob/* 1899103285Sikob xfer->act.hand = fw_asy_callback; 1900103285Sikob*/ 1901103285Sikob xfer->act.hand = fw_xfer_free; 1902103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1903103285Sikob fw_xfer_free( xfer); 1904103285Sikob return; 1905103285Sikob } 1906103285Sikob goto err; 1907103285Sikob } 1908103285Sikob switch(bind->xfer->act_type){ 1909103285Sikob case FWACT_XFER: 1910103285Sikob xfer = fw_xfer_alloc(); 1911103285Sikob if(xfer == NULL) goto err; 1912103285Sikob xfer->fc = bind->xfer->fc; 1913103285Sikob xfer->sc = bind->xfer->sc; 1914103285Sikob xfer->recv.buf = buf; 1915103285Sikob xfer->recv.len = len; 1916103285Sikob xfer->recv.off = off; 1917103285Sikob xfer->spd = spd; 1918103285Sikob xfer->act.hand = bind->xfer->act.hand; 1919103285Sikob if (fc->status != FWBUSRESET) 1920103285Sikob xfer->act.hand(xfer); 1921103285Sikob else 1922103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1923103285Sikob return; 1924103285Sikob break; 1925103285Sikob case FWACT_CH: 1926103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1927103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1928108655Ssimokawa device_printf(fc->bdev, 1929108655Ssimokawa "Discard a packet %x %d\n", 1930103285Sikob bind->xfer->sub, 1931103285Sikob fc->ir[bind->xfer->sub]->queued); 1932103285Sikob goto err; 1933103285Sikob } 1934103285Sikob xfer = fw_xfer_alloc(); 1935103285Sikob if(xfer == NULL) goto err; 1936103285Sikob xfer->recv.buf = buf; 1937103285Sikob xfer->recv.len = len; 1938103285Sikob xfer->recv.off = off; 1939103285Sikob xfer->spd = spd; 1940103285Sikob s = splfw(); 1941103285Sikob fc->ir[bind->xfer->sub]->queued++; 1942103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1943103285Sikob splx(s); 1944103285Sikob 1945103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1946103285Sikob 1947103285Sikob return; 1948103285Sikob break; 1949103285Sikob default: 1950103285Sikob goto err; 1951103285Sikob break; 1952103285Sikob } 1953103285Sikob break; 1954103285Sikob case FWTCODE_STREAM: 1955103285Sikob { 1956103285Sikob struct fw_xferq *xferq; 1957103285Sikob 1958103285Sikob xferq = fc->ir[sub]; 1959103285Sikob#if 0 1960103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1961103285Sikob sub, len, off, spd); 1962103285Sikob#endif 1963103285Sikob if(xferq->queued >= xferq->maxq) { 1964103285Sikob printf("receive queue is full\n"); 1965103285Sikob goto err; 1966103285Sikob } 1967103285Sikob xfer = fw_xfer_alloc(); 1968103285Sikob if(xfer == NULL) goto err; 1969103285Sikob xfer->recv.buf = buf; 1970103285Sikob xfer->recv.len = len; 1971103285Sikob xfer->recv.off = off; 1972103285Sikob xfer->spd = spd; 1973103285Sikob s = splfw(); 1974103285Sikob xferq->queued++; 1975103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1976103285Sikob splx(s); 1977103285Sikob sc = device_get_softc(fc->bdev); 1978103285Sikob#if __FreeBSD_version >= 500000 1979103285Sikob if (SEL_WAITING(&xferq->rsel)) 1980103285Sikob#else 1981103285Sikob if (&xferq->rsel.si_pid != 0) 1982103285Sikob#endif 1983103285Sikob selwakeup(&xferq->rsel); 1984103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1985103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1986103285Sikob wakeup((caddr_t)xferq); 1987103285Sikob } 1988103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1989103285Sikob xferq->hand(xferq); 1990103285Sikob } 1991103285Sikob return; 1992103285Sikob break; 1993103285Sikob } 1994103285Sikob default: 1995103285Sikob printf("fw_rcv: unknow tcode\n"); 1996103285Sikob break; 1997103285Sikob } 1998103285Sikoberr: 1999103285Sikob free(buf, M_DEVBUF); 2000103285Sikob} 2001106815Ssimokawa 2002103285Sikob/* 2003103285Sikob * Post process for Bus Manager election process. 2004103285Sikob */ 2005103285Sikobstatic void 2006103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 2007103285Sikob{ 2008103285Sikob struct fw_pkt *sfp,*rfp; 2009103285Sikob struct firewire_comm *fc; 2010103285Sikob 2011103285Sikob if(xfer == NULL) return; 2012103285Sikob fc = xfer->fc; 2013103285Sikob if(xfer->resp != 0){ 2014103285Sikob goto error; 2015103285Sikob } 2016103285Sikob 2017103285Sikob if(xfer->send.buf == NULL){ 2018103285Sikob goto error; 2019103285Sikob } 2020103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2021103285Sikob 2022103285Sikob if(xfer->recv.buf == NULL){ 2023103285Sikob goto error; 2024103285Sikob } 2025103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2026103285Sikob CSRARC(fc, BUS_MGR_ID) 2027103285Sikob = fc->set_bmr(fc, ntohl(rfp->mode.lres.payload[0]) & 0x3f); 2028108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 2029108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 2030103285Sikob if((htonl(rfp->mode.lres.payload[0]) & 0x3f) == fc->nodeid){ 2031103285Sikob printf("(me)\n"); 2032103285Sikob/* If I am bus manager, optimize gapcount */ 2033103285Sikob if(fc->max_hop <= MAX_GAPHOP ){ 2034103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 2035103285Sikob } 2036103285Sikob }else{ 2037103285Sikob printf("\n"); 2038103285Sikob } 2039103285Sikoberror: 2040103285Sikob fw_xfer_free(xfer); 2041103285Sikob} 2042106815Ssimokawa 2043103285Sikob/* 2044103285Sikob * To candidate Bus Manager election process. 2045103285Sikob */ 2046106815Ssimokawavoid 2047106815Ssimokawafw_try_bmr(void *arg) 2048103285Sikob{ 2049103285Sikob struct fw_xfer *xfer; 2050103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 2051103285Sikob struct fw_pkt *fp; 2052103285Sikob int err = 0; 2053103285Sikob 2054103285Sikob xfer = fw_xfer_alloc(); 2055103285Sikob if(xfer == NULL){ 2056103285Sikob return; 2057103285Sikob } 2058103285Sikob xfer->send.len = 24; 2059103285Sikob xfer->spd = 0; 2060103285Sikob xfer->send.buf = malloc(24, M_DEVBUF, M_DONTWAIT); 2061103285Sikob if(xfer->send.buf == NULL){ 2062103285Sikob fw_xfer_free( xfer); 2063103285Sikob return; 2064103285Sikob } 2065103285Sikob 2066103285Sikob fc->status = FWBUSMGRELECT; 2067103285Sikob 2068103285Sikob xfer->send.off = 0; 2069103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2070103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 2071103285Sikob fp->mode.lreq.tlrt = 0; 2072103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2073103285Sikob fp->mode.lreq.pri = 0; 2074103285Sikob fp->mode.lreq.src = 0; 2075103285Sikob fp->mode.lreq.len = htons(8); 2076103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 2077103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2078103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 2079103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 2080103285Sikob fp->mode.lreq.payload[0] = 0x3f; 2081103285Sikob fp->mode.lreq.payload[1] = fc->nodeid; 2082103285Sikob xfer->act_type = FWACT_XFER; 2083103285Sikob xfer->act.hand = fw_try_bmr_callback; 2084103285Sikob 2085103285Sikob err = fw_asyreq(fc, -1, xfer); 2086103285Sikob if(err){ 2087103285Sikob fw_xfer_free( xfer); 2088103285Sikob return; 2089103285Sikob } 2090103285Sikob return; 2091103285Sikob} 2092106543Ssimokawa 2093106543Ssimokawa#ifdef FW_VMACCESS 2094103285Sikob/* 2095103285Sikob * Software implementation for physical memory block access. 2096103285Sikob * XXX:Too slow, usef for debug purpose only. 2097103285Sikob */ 2098106815Ssimokawastatic void 2099106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2100103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2101103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 2102103285Sikob 2103103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 2104103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2105103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2106103285Sikob if(xfer->resp != 0){ 2107103285Sikob fw_xfer_free( xfer); 2108103285Sikob return; 2109103285Sikob } 2110103285Sikob if(xfer->recv.buf == NULL){ 2111103285Sikob fw_xfer_free( xfer); 2112103285Sikob return; 2113103285Sikob } 2114103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2115103285Sikob switch(rfp->mode.hdr.tcode){ 2116103285Sikob /* XXX need fix for 64bit arch */ 2117103285Sikob case FWTCODE_WREQB: 2118103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 2119103285Sikob xfer->send.len = 12; 2120103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2121103285Sikob bcopy(rfp->mode.wreqb.payload, 2122103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2123103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2124103285Sikob sfp->mode.wres.rtcode = 0; 2125103285Sikob break; 2126103285Sikob case FWTCODE_WREQQ: 2127103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 2128103285Sikob xfer->send.len = 12; 2129103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2130103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2131103285Sikob sfp->mode.wres.rtcode = 0; 2132103285Sikob break; 2133103285Sikob case FWTCODE_RREQB: 2134103285Sikob xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_DEVBUF, M_NOWAIT); 2135103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2136103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2137103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2138103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2139103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2140103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2141103285Sikob sfp->mode.rresb.rtcode = 0; 2142103285Sikob sfp->mode.rresb.extcode = 0; 2143103285Sikob break; 2144103285Sikob case FWTCODE_RREQQ: 2145103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 2146103285Sikob xfer->send.len = 16; 2147103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2148103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2149103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2150103285Sikob sfp->mode.rresb.rtcode = 0; 2151103285Sikob break; 2152103285Sikob default: 2153103285Sikob fw_xfer_free( xfer); 2154103285Sikob return; 2155103285Sikob } 2156103285Sikob xfer->send.off = 0; 2157103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2158103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2159103285Sikob xfer->act.hand = fw_xfer_free; 2160103285Sikob xfer->retry_req = fw_asybusy; 2161103285Sikob 2162103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2163103285Sikob sfp->mode.hdr.pri = 0; 2164103285Sikob 2165103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2166103285Sikob/**/ 2167103285Sikob return; 2168103285Sikob} 2169106543Ssimokawa#endif 2170106543Ssimokawa 2171103285Sikob/* 2172103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2173103285Sikob */ 2174106815Ssimokawau_int16_t 2175106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2176103285Sikob u_int32_t i, sum, crc = 0; 2177103285Sikob int shift; 2178103285Sikob len = (len + 3) & ~3; 2179103285Sikob for(i = 0 ; i < len ; i+= 4){ 2180103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2181103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2182103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2183103285Sikob } 2184103285Sikob crc &= 0xffff; 2185103285Sikob } 2186103285Sikob return((u_int16_t) crc); 2187103285Sikob} 2188106815Ssimokawa 2189103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2190103285SikobMODULE_VERSION(firewire, 1); 2191