firewire.c revision 109424
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 109424 2003-01-17 15:15:21Z 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; 132109179Ssimokawa u_int64_t cycle, 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 if(bulkxfer != NULL){ 153103285Sikob bulkxfer2 = STAILQ_NEXT(bulkxfer, link); 154103285Sikob#if 0 155103285Sikob if(it->flag & FWXFERQ_DV && bulkxfer2 == NULL){ 156103285Sikob bulkxfer2 = STAILQ_FIRST(&it->stfree); 157103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 158103285Sikob bcopy(bulkxfer->buf, bulkxfer2->buf, 159103285Sikob it->psize * it->btpacket); 160103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, bulkxfer2, link); 161103285Sikob } 162103285Sikob#endif 163103285Sikob } 164103285Sikob it->stdma = bulkxfer; 165103285Sikob it->stdma2 = bulkxfer2; 166103285Sikob 167103285Sikob if(it->flag & FWXFERQ_DV){ 168103285Sikob chtag = it->flag & 0xff; 169103285Sikobdvloop: 170103285Sikob if(it->dvdma == NULL){ 171103285Sikob dvbuf = STAILQ_FIRST(&it->dvvalid); 172103285Sikob if(dvbuf != NULL){ 173103285Sikob STAILQ_REMOVE_HEAD(&it->dvvalid, link); 174103285Sikob it->dvdma = dvbuf; 175103285Sikob it->queued = 0; 176103285Sikob } 177103285Sikob } 178103285Sikob if(it->dvdma == NULL) 179109227Ssimokawa goto out; 180103285Sikob 181103285Sikob it->stproc = STAILQ_FIRST(&it->stfree); 182103285Sikob if(it->stproc != NULL){ 183103285Sikob STAILQ_REMOVE_HEAD(&it->stfree, link); 184103285Sikob }else{ 185109227Ssimokawa goto out; 186103285Sikob } 187109282Ssimokawa#if DV_PAL 188109282Ssimokawa#define DVSEC 3 189109282Ssimokawa#define DVFRAC 75 /* PAL: 25 Hz (1875 = 25 * 3) */ 190109282Ssimokawa#define DVDIFF 5 /* 125 = (8000/300 - 25) * 3 */ 191109282Ssimokawa#else 192109179Ssimokawa#define DVSEC 100 193109179Ssimokawa#define DVFRAC 2997 /* NTSC: 29.97 Hz (2997 = 29.97 * 100) */ 194109179Ssimokawa#define DVDIFF 203 /* 203 = (8000/250 - 29.97) * 100 */ 195109179Ssimokawa#endif 196109179Ssimokawa#define CYCLEFRAC 0xc00 197109179Ssimokawa cycle = (u_int64_t) 8000 * DVSEC * it->dvsync; 198109179Ssimokawa /* least significant 12 bits */ 199109179Ssimokawa dvsync = (cycle * CYCLEFRAC / DVFRAC) % CYCLEFRAC; 200109179Ssimokawa /* most significat 4 bits */ 201109179Ssimokawa cycle = (cycle / DVFRAC + it->dvoffset) & 0xf; 202109179Ssimokawa fp = (struct fw_pkt *)(it->dvdma->buf); 203109179Ssimokawa#if 1 204109179Ssimokawa fp->mode.ld[2] = htonl(0x80000000 | (cycle << 12) | dvsync); 205109179Ssimokawa#else 206109179Ssimokawa fp->mode.ld[2] = htonl(0x80000000 | dvsync); 207109179Ssimokawa#endif 208103285Sikob it->dvsync ++; 209103285Sikob it->dvsync %= 2997; 210103285Sikob 211103285Sikob for( i = 0, j = 0 ; i < it->dvpacket ; i++){ 212103285Sikob bcopy(it->dvdma->buf + it->queued * it->psize, 213103285Sikob it->stproc->buf + j * it->psize, it->psize); 214103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 215103285Sikob fp->mode.stream.len = htons(488); 216103285Sikob fp->mode.stream.chtag = chtag; 217103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 218103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 0x00780000 | it->dvdbc); 219103285Sikob it->dvdbc++; 220103285Sikob it->dvdbc %= 256; 221103285Sikob it->queued ++; 222103285Sikob j++; 223103285Sikob it->dvdiff += DVDIFF; 224103285Sikob if(it->dvdiff >= DVFRAC){ 225103285Sikob it->dvdiff %= DVFRAC; 226103285Sikob fp = (struct fw_pkt *)(it->stproc->buf + j * it->psize); 227103285Sikob 228103285Sikob fp->mode.stream.len = htons(0x8); 229103285Sikob fp->mode.stream.chtag = chtag; 230103285Sikob fp->mode.stream.tcode = FWTCODE_STREAM; 231103285Sikob fp->mode.ld[1] = htonl((fc->nodeid << 24) | 232103285Sikob 0x00780000 | it->dvdbc); 233103285Sikob j++; 234103285Sikob } 235103285Sikob } 236103285Sikob it->stproc->npacket = j; 237103285Sikob STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link); 238103285Sikob if(it->queued >= it->dvpacket){ 239103285Sikob STAILQ_INSERT_TAIL(&it->dvfree, it->dvdma, link); 240103285Sikob it->dvdma = NULL; 241103285Sikob wakeup(it); 242103285Sikob goto dvloop; 243103285Sikob } 244103285Sikob } 245109227Ssimokawaout: 246109227Ssimokawa splx(s); 247103285Sikob return err; 248103285Sikob} 249103285Sikob/* 250103285Sikob * receving buffer update. 251103285Sikob */ 252103285Sikobint 253103285Sikobfw_rbuf_update(struct firewire_comm *fc, int sub, int flag){ 254103285Sikob struct fw_bulkxfer *bulkxfer, *bulkxfer2 = NULL; 255103285Sikob struct fw_xferq *ir; 256103285Sikob int s, err = 0; 257103285Sikob 258103285Sikob ir = fc->ir[sub]; 259103285Sikob s = splfw(); 260103285Sikob if(ir->stdma != NULL){ 261103285Sikob if(flag != 0){ 262103285Sikob STAILQ_INSERT_TAIL(&ir->stvalid, ir->stdma, link); 263103285Sikob }else{ 264103285Sikob ir->stdma->flag = 0; 265103285Sikob STAILQ_INSERT_TAIL(&ir->stfree, ir->stdma, link); 266103285Sikob } 267103285Sikob } 268103285Sikob if(ir->stdma2 != NULL){ 269103285Sikob bulkxfer = ir->stdma2; 270103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 271103285Sikob if(bulkxfer2 != NULL){ 272103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 273103285Sikob } 274103285Sikob }else{ 275103285Sikob bulkxfer = STAILQ_FIRST(&ir->stfree); 276103285Sikob if(bulkxfer != NULL){ 277103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 278103285Sikob bulkxfer2 = STAILQ_FIRST(&ir->stfree); 279103285Sikob if(bulkxfer2 != NULL){ 280103285Sikob STAILQ_REMOVE_HEAD(&ir->stfree, link); 281103285Sikob } 282103285Sikob }else{ 283108995Ssimokawa device_printf(fc->bdev, "no free chunk available\n"); 284103285Sikob bulkxfer = STAILQ_FIRST(&ir->stvalid); 285103285Sikob STAILQ_REMOVE_HEAD(&ir->stvalid, link); 286103285Sikob } 287103285Sikob } 288103285Sikob splx(s); 289103285Sikob ir->stdma = bulkxfer; 290103285Sikob ir->stdma2 = bulkxfer2; 291103285Sikob return err; 292103285Sikob} 293103285Sikob 294103285Sikob/* 295103285Sikob * To lookup node id. from EUI64. 296103285Sikob */ 297106810Ssimokawastruct fw_device * 298106790Ssimokawafw_noderesolve(struct firewire_comm *fc, struct fw_eui64 eui) 299103285Sikob{ 300103285Sikob struct fw_device *fwdev; 301103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 302103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 303103285Sikob if(fwdev->eui.hi == eui.hi && fwdev->eui.lo == eui.lo){ 304103285Sikob break; 305103285Sikob } 306103285Sikob } 307106810Ssimokawa if(fwdev == NULL) return NULL; 308106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 309106810Ssimokawa return fwdev; 310103285Sikob} 311106813Ssimokawa 312103285Sikob/* 313103285Sikob * Async. request procedure for userland application. 314103285Sikob */ 315103285Sikobint 316103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 317103285Sikob{ 318103285Sikob int err = 0; 319103285Sikob struct fw_xferq *xferq; 320103285Sikob int tl = 0, len; 321103285Sikob struct fw_pkt *fp; 322103285Sikob int tcode; 323103285Sikob struct tcode_info *info; 324103285Sikob 325103285Sikob if(xfer == NULL) return EINVAL; 326108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 327103285Sikob printf("send.len > maxrec\n"); 328103285Sikob return EINVAL; 329103285Sikob } 330103285Sikob if(xfer->act.hand == NULL){ 331103285Sikob printf("act.hand == NULL\n"); 332103285Sikob return EINVAL; 333103285Sikob } 334103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 335103285Sikob 336103285Sikob tcode = fp->mode.common.tcode & 0xf; 337103285Sikob info = &fc->tcode[tcode]; 338103285Sikob if (info->flag == 0) { 339103285Sikob printf("invalid tcode=%d\n", tcode); 340103285Sikob return EINVAL; 341103285Sikob } 342103285Sikob if (info->flag & FWTI_REQ) 343103285Sikob xferq = fc->atq; 344103285Sikob else 345103285Sikob xferq = fc->ats; 346103285Sikob len = info->hdr_len; 347103285Sikob if (info->flag & FWTI_BLOCK_STR) 348103285Sikob len += ntohs(fp->mode.stream.len); 349103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 350103285Sikob len += ntohs(fp->mode.rresb.len); 351103285Sikob if( len > xfer->send.len ){ 352103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 353103285Sikob len, xfer->send.len, tcode); 354103285Sikob return EINVAL; 355103285Sikob } 356103285Sikob xfer->send.len = len; 357106790Ssimokawa 358103285Sikob if(xferq->start == NULL){ 359103285Sikob printf("xferq->start == NULL\n"); 360103285Sikob return EINVAL; 361103285Sikob } 362103285Sikob if(!(xferq->queued < xferq->maxq)){ 363108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 364108655Ssimokawa xferq->queued); 365103285Sikob return EINVAL; 366103285Sikob } 367103285Sikob 368103285Sikob 369103285Sikob if (info->flag & FWTI_TLABEL) { 370103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 371103285Sikob return EIO; 372103285Sikob fp->mode.hdr.tlrt = tl << 2; 373103285Sikob } 374103285Sikob 375103285Sikob xfer->tl = tl; 376103285Sikob xfer->tcode = tcode; 377103285Sikob xfer->resp = 0; 378103285Sikob xfer->fc = fc; 379103285Sikob xfer->q = xferq; 380103285Sikob xfer->act_type = FWACT_XFER; 381103285Sikob xfer->retry_req = fw_asybusy; 382103285Sikob 383103285Sikob fw_asystart(xfer); 384103285Sikob return err; 385103285Sikob} 386103285Sikob/* 387103285Sikob * Wakeup blocked process. 388103285Sikob */ 389103285Sikobvoid 390103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 391103285Sikob wakeup(xfer); 392103285Sikob return; 393103285Sikob} 394103285Sikob/* 395103285Sikob * Postpone to later retry. 396103285Sikob */ 397103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 398106815Ssimokawa#if 1 399103285Sikob printf("fw_asybusy\n"); 400103285Sikob#endif 401103285Sikob#if XFER_TIMEOUT 402103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 403103285Sikob#endif 404103285Sikob/* 405103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 406103285Sikob*/ 407103285Sikob DELAY(20000); 408103285Sikob fw_asystart(xfer); 409103285Sikob return; 410103285Sikob} 411103285Sikob#if XFER_TIMEOUT 412103285Sikob/* 413103285Sikob * Post timeout for async. request. 414103285Sikob */ 415103285Sikobvoid 416103285Sikobfw_xfer_timeout(void *arg) 417103285Sikob{ 418103285Sikob int s; 419103285Sikob struct fw_xfer *xfer; 420103285Sikob 421103285Sikob xfer = (struct fw_xfer *)arg; 422103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 423103285Sikob /* XXX set error code */ 424103285Sikob s = splfw(); 425103285Sikob xfer->act.hand(xfer); 426103285Sikob splx(s); 427103285Sikob} 428103285Sikob#endif 429103285Sikob/* 430103285Sikob * Async. request with given xfer structure. 431103285Sikob */ 432106790Ssimokawastatic void 433106790Ssimokawafw_asystart(struct fw_xfer *xfer) 434106790Ssimokawa{ 435103285Sikob struct firewire_comm *fc = xfer->fc; 436103285Sikob int s; 437103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 438103285Sikob xfer->resp = EBUSY; 439103285Sikob xfer->state = FWXF_BUSY; 440103285Sikob xfer->act.hand(xfer); 441103285Sikob return; 442103285Sikob } 443103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 444103285Sikob if (fc->status < FWBUSEXPLORE) { 445103285Sikob xfer->resp = EAGAIN; 446103285Sikob xfer->state = FWXF_BUSY; 447103285Sikob if (xfer->act.hand != NULL) 448103285Sikob xfer->act.hand(xfer); 449103285Sikob return; 450103285Sikob } 451103285Sikob#endif 452103285Sikob s = splfw(); 453103285Sikob xfer->state = FWXF_INQ; 454103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 455103285Sikob xfer->q->queued ++; 456103285Sikob splx(s); 457103285Sikob /* XXX just queue for mbuf */ 458103285Sikob if (xfer->mbuf == NULL) 459103285Sikob xfer->q->start(fc); 460103285Sikob#if XFER_TIMEOUT 461103285Sikob if (xfer->act.hand != NULL) 462103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 463103285Sikob#endif 464103285Sikob return; 465103285Sikob} 466106790Ssimokawa 467103285Sikobstatic int 468103285Sikobfirewire_match( device_t dev ) 469103285Sikob{ 470108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 471103285Sikob return -140; 472103285Sikob} 473106790Ssimokawa 474103285Sikob/* 475103285Sikob * The attach routine. 476103285Sikob */ 477103285Sikobstatic int 478103285Sikobfirewire_attach( device_t dev ) 479103285Sikob{ 480103285Sikob int i, unitmask, mn; 481103285Sikob struct firewire_softc *sc = device_get_softc(dev); 482103285Sikob device_t pa = device_get_parent(dev); 483103285Sikob struct firewire_comm *fc; 484103285Sikob dev_t d; 485103285Sikob 486103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 487103285Sikob sc->fc = fc; 488103285Sikob 489103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 490103285Sikob 491103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 492103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 493103285Sikob mn = unitmask | i; 494103285Sikob /* XXX device name should be improved */ 495103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 496108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 497103285Sikob "fw%x", mn); 498103285Sikob#if __FreeBSD_version >= 500000 499103285Sikob if (i == 0) 500103285Sikob sc->dev = d; 501103285Sikob else 502103285Sikob dev_depends(sc->dev, d); 503103285Sikob#else 504103285Sikob sc->dev[i] = d; 505103285Sikob#endif 506103285Sikob } 507103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 508108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 509103285Sikob "fwmem%d", device_get_unit(dev)); 510103285Sikob#if __FreeBSD_version >= 500000 511103285Sikob dev_depends(sc->dev, d); 512103285Sikob#else 513103285Sikob sc->dev[i] = d; 514103285Sikob#endif 515103285Sikob sc->fc->timeouthandle = timeout((timeout_t *)sc->fc->timeout, (void *)sc->fc, hz * 10); 516103285Sikob 517108853Ssimokawa callout_init(&sc->fc->busprobe_callout 518108853Ssimokawa#if __FreeBSD_version >= 500000 519108853Ssimokawa , /* mpsafe? */ 0); 520108853Ssimokawa#else 521108853Ssimokawa ); 522108853Ssimokawa#endif 523108853Ssimokawa 524103285Sikob /* Locate our children */ 525103285Sikob bus_generic_probe(dev); 526103285Sikob 527103285Sikob /* launch attachement of the added children */ 528103285Sikob bus_generic_attach(dev); 529103285Sikob 530103285Sikob /* bus_reset */ 531103285Sikob fc->ibr(fc); 532103285Sikob 533103285Sikob return 0; 534103285Sikob} 535103285Sikob 536103285Sikob/* 537103285Sikob * Attach it as child. 538103285Sikob */ 539103285Sikobstatic device_t 540103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 541103285Sikob{ 542103285Sikob device_t child; 543103285Sikob struct firewire_softc *sc; 544103285Sikob 545103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 546103285Sikob child = device_add_child(dev, name, unit); 547103285Sikob if (child) { 548103285Sikob device_set_ivars(child, sc->fc); 549103285Sikob device_probe_and_attach(child); 550103285Sikob } 551103285Sikob 552103285Sikob return child; 553103285Sikob} 554106790Ssimokawa 555103285Sikob/* 556103285Sikob * Dettach it. 557103285Sikob */ 558103285Sikobstatic int 559103285Sikobfirewire_detach( device_t dev ) 560103285Sikob{ 561103285Sikob struct firewire_softc *sc; 562103285Sikob 563103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 564106790Ssimokawa 565103285Sikob#if __FreeBSD_version >= 500000 566103285Sikob destroy_dev(sc->dev); 567103285Sikob#else 568103285Sikob { 569103285Sikob int j; 570103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 571103285Sikob destroy_dev(sc->dev[j]); 572103285Sikob } 573103285Sikob#endif 574103285Sikob /* XXX xfree_free and untimeout on all xfers */ 575103285Sikob untimeout((timeout_t *)sc->fc->timeout, sc->fc, sc->fc->timeouthandle); 576103285Sikob free(sc->fc->topology_map, M_DEVBUF); 577103285Sikob free(sc->fc->speed_map, M_DEVBUF); 578103285Sikob bus_generic_detach(dev); 579103285Sikob return(0); 580103285Sikob} 581103285Sikob#if 0 582103285Sikobstatic int 583103285Sikobfirewire_shutdown( device_t dev ) 584103285Sikob{ 585103285Sikob return 0; 586103285Sikob} 587103285Sikob#endif 588106790Ssimokawa 589103285Sikob/* 590106790Ssimokawa * Called after bus reset. 591103285Sikob */ 592106790Ssimokawavoid 593106790Ssimokawafw_busreset(struct firewire_comm *fc) 594103285Sikob{ 595103285Sikob int i; 596103285Sikob struct fw_xfer *xfer; 597103285Sikob 598103285Sikob switch(fc->status){ 599103285Sikob case FWBUSMGRELECT: 600103285Sikob untimeout((timeout_t *)fw_try_bmr, (void *)fc, fc->bmrhandle); 601103285Sikob break; 602103285Sikob default: 603103285Sikob break; 604103285Sikob } 605103285Sikob fc->status = FWBUSRESET; 606103285Sikob/* XXX: discard all queued packet */ 607103285Sikob while((xfer = STAILQ_FIRST(&fc->atq->q)) != NULL){ 608103285Sikob STAILQ_REMOVE_HEAD(&fc->atq->q, link); 609103285Sikob xfer->resp = EAGAIN; 610103285Sikob switch(xfer->act_type){ 611103285Sikob case FWACT_XFER: 612103285Sikob fw_xfer_done(xfer); 613103285Sikob break; 614103285Sikob default: 615103285Sikob break; 616103285Sikob } 617103285Sikob fw_xfer_free( xfer); 618103285Sikob } 619103285Sikob while((xfer = STAILQ_FIRST(&fc->ats->q)) != NULL){ 620103285Sikob STAILQ_REMOVE_HEAD(&fc->ats->q, link); 621103285Sikob xfer->resp = EAGAIN; 622103285Sikob switch(xfer->act_type){ 623103285Sikob case FWACT_XFER: 624103285Sikob fw_xfer_done(xfer); 625103285Sikob default: 626103285Sikob break; 627103285Sikob } 628103285Sikob fw_xfer_free( xfer); 629103285Sikob } 630103285Sikob for(i = 0; i < fc->nisodma; i++) 631103285Sikob while((xfer = STAILQ_FIRST(&fc->it[i]->q)) != NULL){ 632103285Sikob STAILQ_REMOVE_HEAD(&fc->it[i]->q, link); 633103285Sikob xfer->resp = 0; 634103285Sikob switch(xfer->act_type){ 635103285Sikob case FWACT_XFER: 636103285Sikob fw_xfer_done(xfer); 637103285Sikob break; 638103285Sikob default: 639103285Sikob break; 640103285Sikob } 641103285Sikob fw_xfer_free( xfer); 642103285Sikob } 643103285Sikob 644103285Sikob CSRARC(fc, STATE_CLEAR) 645103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 646103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 647103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 648103285Sikob 649103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 650103285Sikob fc->irm = -1; 651103285Sikob 652103285Sikob fc->max_node = -1; 653103285Sikob 654103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 655103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 656103285Sikob } 657103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 658103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 659103285Sikob CSRARC(fc, RESET_START) = 0; 660103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 661103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 662103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 663103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 664103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 665103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 666103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 667103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 668103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 669103285Sikob 670103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 671103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 672103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 673103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 674103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 675103285Sikob 676103285Sikob/* DV depend CSRs see blue book */ 677103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 678103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 679103285Sikob 680103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 681103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 682103285Sikob} 683106790Ssimokawa 684103285Sikob/* Call once after reboot */ 685106790Ssimokawavoid fw_init(struct firewire_comm *fc) 686103285Sikob{ 687103285Sikob int i; 688106543Ssimokawa struct csrdir *csrd; 689106543Ssimokawa#ifdef FW_VMACCESS 690103285Sikob struct fw_xfer *xfer; 691103285Sikob struct fw_bind *fwb; 692106543Ssimokawa#endif 693103285Sikob 694103285Sikob fc->max_asyretry = FW_MAXASYRTY; 695103285Sikob 696103285Sikob fc->arq->queued = 0; 697103285Sikob fc->ars->queued = 0; 698103285Sikob fc->atq->queued = 0; 699103285Sikob fc->ats->queued = 0; 700103285Sikob 701109379Ssimokawa fc->arq->psize = PAGE_SIZE; 702109379Ssimokawa fc->ars->psize = PAGE_SIZE; 703109379Ssimokawa fc->atq->psize = 0; 704109379Ssimokawa fc->ats->psize = 0; 705103285Sikob 706103285Sikob 707103285Sikob fc->arq->buf = NULL; 708103285Sikob fc->ars->buf = NULL; 709103285Sikob fc->atq->buf = NULL; 710103285Sikob fc->ats->buf = NULL; 711103285Sikob 712103285Sikob fc->arq->flag = FWXFERQ_PACKET; 713103285Sikob fc->ars->flag = FWXFERQ_PACKET; 714103285Sikob fc->atq->flag = FWXFERQ_PACKET; 715103285Sikob fc->ats->flag = FWXFERQ_PACKET; 716103285Sikob 717103285Sikob STAILQ_INIT(&fc->atq->q); 718103285Sikob STAILQ_INIT(&fc->ats->q); 719103285Sikob 720103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 721103285Sikob fc->it[i]->queued = 0; 722103285Sikob fc->ir[i]->queued = 0; 723103285Sikob 724103285Sikob fc->it[i]->start = NULL; 725103285Sikob fc->ir[i]->start = NULL; 726103285Sikob 727103285Sikob fc->it[i]->buf = NULL; 728103285Sikob fc->ir[i]->buf = NULL; 729103285Sikob 730103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 731103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 732103285Sikob 733103285Sikob STAILQ_INIT(&fc->it[i]->q); 734103285Sikob STAILQ_INIT(&fc->ir[i]->q); 735103285Sikob 736103285Sikob STAILQ_INIT(&fc->it[i]->binds); 737103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 738103285Sikob } 739103285Sikob 740103285Sikob fc->arq->maxq = FWMAXQUEUE; 741103285Sikob fc->ars->maxq = FWMAXQUEUE; 742103285Sikob fc->atq->maxq = FWMAXQUEUE; 743103285Sikob fc->ats->maxq = FWMAXQUEUE; 744103285Sikob 745103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 746103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 747103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 748103285Sikob } 749103285Sikob/* Initialize csr registers */ 750103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 751103285Sikob sizeof(struct fw_topology_map), 752109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 753103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 754103285Sikob sizeof(struct fw_speed_map), 755109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 756103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 757103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 758103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 759103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 760103285Sikob 761103285Sikob TAILQ_INIT(&fc->devices); 762103285Sikob STAILQ_INIT(&fc->pending); 763103285Sikob 764103285Sikob/* Initialize csr ROM work space */ 765103285Sikob SLIST_INIT(&fc->ongocsr); 766103285Sikob SLIST_INIT(&fc->csrfree); 767103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 768109424Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_DEVBUF,M_NOWAIT); 769103285Sikob if(csrd == NULL) break; 770103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 771103285Sikob } 772103285Sikob 773103285Sikob/* Initialize Async handlers */ 774103285Sikob STAILQ_INIT(&fc->binds); 775103285Sikob for( i = 0 ; i < 0x40 ; i++){ 776103285Sikob STAILQ_INIT(&fc->tlabels[i]); 777103285Sikob } 778103285Sikob 779103285Sikob/* DV depend CSRs see blue book */ 780103285Sikob#if 0 781103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 782103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 783103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 784103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 785103285Sikob } 786103285Sikob 787103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 788103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 789103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 790103285Sikob CSRARC(fc, i + iPCR) = 0x0; 791103285Sikob } 792103285Sikob#endif 793103285Sikob 794103285Sikob 795106543Ssimokawa#ifdef FW_VMACCESS 796103285Sikob xfer = fw_xfer_alloc(); 797103285Sikob if(xfer == NULL) return; 798103285Sikob 799109424Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_DEVBUF, M_NOWAIT); 800103285Sikob if(fwb == NULL){ 801103285Sikob fw_xfer_free(xfer); 802103285Sikob } 803103285Sikob xfer->act.hand = fw_vmaccess; 804103285Sikob xfer->act_type = FWACT_XFER; 805103285Sikob xfer->fc = fc; 806103285Sikob xfer->sc = NULL; 807103285Sikob 808103285Sikob fwb->start_hi = 0x2; 809103285Sikob fwb->start_lo = 0; 810103285Sikob fwb->addrlen = 0xffffffff; 811103285Sikob fwb->xfer = xfer; 812103285Sikob fw_bindadd(fc, fwb); 813106543Ssimokawa#endif 814103285Sikob} 815106790Ssimokawa 816103285Sikob/* 817103285Sikob * To lookup binded process from IEEE1394 address. 818103285Sikob */ 819106813Ssimokawastruct fw_bind * 820106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 821103285Sikob{ 822103285Sikob struct fw_bind *tfw; 823103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 824103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 825103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 826103285Sikob tfw->start_hi == dest_hi && 827103285Sikob tfw->start_lo <= dest_lo && 828103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 829103285Sikob return(tfw); 830103285Sikob } 831103285Sikob } 832103285Sikob return(NULL); 833103285Sikob} 834106790Ssimokawa 835103285Sikob/* 836103285Sikob * To bind IEEE1394 address block to process. 837103285Sikob */ 838106790Ssimokawaint 839106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 840103285Sikob{ 841103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 842103285Sikob int err = 0; 843103285Sikob tfw = STAILQ_FIRST(&fc->binds); 844103285Sikob if(tfw == NULL){ 845103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 846103285Sikob goto out; 847103285Sikob } 848103285Sikob if((tfw->start_hi > fwb->start_hi) || 849103285Sikob (tfw->start_hi == fwb->start_hi && 850103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 851103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 852103285Sikob goto out; 853103285Sikob } 854103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 855103285Sikob if((tfw->start_hi < fwb->start_hi) || 856103285Sikob (tfw->start_hi == fwb->start_hi && 857103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 858103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 859103285Sikob if(tfw2 == NULL) 860103285Sikob break; 861103285Sikob if((tfw2->start_hi > fwb->start_hi) || 862103285Sikob (tfw2->start_hi == fwb->start_hi && 863103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 864103285Sikob break; 865103285Sikob }else{ 866103285Sikob err = EBUSY; 867103285Sikob goto out; 868103285Sikob } 869103285Sikob } 870103285Sikob } 871103285Sikob if(tfw != NULL){ 872103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 873103285Sikob }else{ 874103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 875103285Sikob } 876103285Sikobout: 877103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 878103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 879103285Sikob } 880103285Sikob return err; 881103285Sikob} 882103285Sikob 883103285Sikob/* 884103285Sikob * To free IEEE1394 address block. 885103285Sikob */ 886106790Ssimokawaint 887106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 888103285Sikob{ 889103285Sikob int s; 890103285Sikob 891103285Sikob s = splfw(); 892103285Sikob /* shall we check the existance? */ 893103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 894103285Sikob splx(s); 895103285Sikob if (fwb->xfer) 896103285Sikob fw_xfer_free(fwb->xfer); 897103285Sikob 898103285Sikob return 0; 899103285Sikob} 900103285Sikob 901103285Sikob/* 902103285Sikob * To free transaction label. 903103285Sikob */ 904106790Ssimokawastatic void 905106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 906103285Sikob{ 907103285Sikob struct tlabel *tl; 908103285Sikob int s = splfw(); 909103285Sikob 910103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 911103285Sikob tl = STAILQ_NEXT(tl, link)){ 912103285Sikob if(tl->xfer == xfer){ 913103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 914103285Sikob free(tl, M_DEVBUF); 915103285Sikob splx(s); 916103285Sikob return; 917103285Sikob } 918103285Sikob } 919103285Sikob splx(s); 920103285Sikob return; 921103285Sikob} 922106790Ssimokawa 923103285Sikob/* 924103285Sikob * To obtain XFER structure by transaction label. 925103285Sikob */ 926106790Ssimokawastatic struct fw_xfer * 927106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 928103285Sikob{ 929103285Sikob struct fw_xfer *xfer; 930103285Sikob struct tlabel *tl; 931103285Sikob int s = splfw(); 932103285Sikob 933103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 934103285Sikob tl = STAILQ_NEXT(tl, link)){ 935103285Sikob if(tl->xfer->dst == node){ 936103285Sikob xfer = tl->xfer; 937103285Sikob splx(s); 938103285Sikob return(xfer); 939103285Sikob } 940103285Sikob } 941103285Sikob splx(s); 942103285Sikob return(NULL); 943103285Sikob} 944106790Ssimokawa 945103285Sikob/* 946103285Sikob * To allocate IEEE1394 XFER structure. 947103285Sikob */ 948106790Ssimokawastruct fw_xfer * 949106790Ssimokawafw_xfer_alloc() 950103285Sikob{ 951103285Sikob struct fw_xfer *xfer; 952106790Ssimokawa 953109424Ssimokawa xfer = malloc(sizeof(struct fw_xfer), M_DEVBUF, M_NOWAIT | M_ZERO); 954106790Ssimokawa if (xfer == NULL) 955106790Ssimokawa return xfer; 956106790Ssimokawa 957103285Sikob xfer->time = time_second; 958103285Sikob xfer->sub = -1; 959106790Ssimokawa 960103285Sikob return xfer; 961103285Sikob} 962106790Ssimokawa 963103285Sikob/* 964103285Sikob * IEEE1394 XFER post process. 965103285Sikob */ 966103285Sikobvoid 967103285Sikobfw_xfer_done(struct fw_xfer *xfer) 968103285Sikob{ 969103285Sikob if (xfer->act.hand == NULL) 970103285Sikob return; 971103285Sikob 972103285Sikob#if XFER_TIMEOUT 973103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 974103285Sikob#endif 975103285Sikob 976103285Sikob if (xfer->fc->status != FWBUSRESET) 977103285Sikob xfer->act.hand(xfer); 978103285Sikob else { 979103285Sikob printf("fw_xfer_done: pending\n"); 980103285Sikob if (xfer->fc != NULL) 981103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 982103285Sikob else 983103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 984103285Sikob } 985103285Sikob} 986103285Sikob 987103285Sikob/* 988103285Sikob * To free IEEE1394 XFER structure. 989103285Sikob */ 990106790Ssimokawavoid 991106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 992103285Sikob{ 993103285Sikob int s; 994103285Sikob if(xfer == NULL ) return; 995103285Sikob if(xfer->state == FWXF_INQ){ 996103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 997103285Sikob s = splfw(); 998103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 999103285Sikob xfer->q->queued --; 1000103285Sikob splx(s); 1001103285Sikob } 1002103285Sikob if(xfer->fc != NULL){ 1003103285Sikob if(xfer->state == FWXF_START){ 1004103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 1005103285Sikob printf("fw_xfer_free FWXF_START\n"); 1006103285Sikob#endif 1007103285Sikob s = splfw(); 1008103285Sikob xfer->q->drain(xfer->fc, xfer); 1009103285Sikob splx(s); 1010103285Sikob } 1011103285Sikob } 1012103285Sikob if(xfer->send.buf != NULL){ 1013103285Sikob free(xfer->send.buf, M_DEVBUF); 1014103285Sikob } 1015103285Sikob if(xfer->recv.buf != NULL){ 1016103285Sikob free(xfer->recv.buf, M_DEVBUF); 1017103285Sikob } 1018103285Sikob if(xfer->fc != NULL){ 1019103285Sikob fw_tl_free(xfer->fc, xfer); 1020103285Sikob } 1021103285Sikob free(xfer, M_DEVBUF); 1022103285Sikob} 1023103285Sikob 1024103285Sikob/* 1025103285Sikob * Callback for PHY configuration. 1026103285Sikob */ 1027103285Sikobstatic void 1028103285Sikobfw_phy_config_callback(struct fw_xfer *xfer) 1029103285Sikob{ 1030103285Sikob#if 0 1031103285Sikob printf("phy_config done state=%d resp=%d\n", 1032103285Sikob xfer->state, xfer->resp); 1033103285Sikob#endif 1034103285Sikob fw_xfer_free(xfer); 1035103285Sikob /* XXX need bus reset ?? */ 1036103285Sikob /* sc->fc->ibr(xfer->fc); LOOP */ 1037103285Sikob} 1038103285Sikob 1039103285Sikob/* 1040103285Sikob * To configure PHY. 1041103285Sikob */ 1042103285Sikobstatic void 1043103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1044103285Sikob{ 1045103285Sikob struct fw_xfer *xfer; 1046103285Sikob struct fw_pkt *fp; 1047103285Sikob 1048103285Sikob fc->status = FWBUSPHYCONF; 1049103285Sikob 1050109280Ssimokawa#if 0 1051103285Sikob DELAY(100000); 1052109280Ssimokawa#endif 1053103285Sikob xfer = fw_xfer_alloc(); 1054103285Sikob xfer->send.len = 12; 1055103285Sikob xfer->send.off = 0; 1056103285Sikob xfer->fc = fc; 1057103285Sikob xfer->retry_req = fw_asybusy; 1058103285Sikob xfer->act.hand = fw_phy_config_callback; 1059103285Sikob 1060103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 1061109424Ssimokawa M_DEVBUF, M_NOWAIT | M_ZERO); 1062103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1063103285Sikob fp->mode.ld[1] = 0; 1064103285Sikob if (root_node >= 0) 1065103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 1066103285Sikob if (gap_count >= 0) 1067103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 1068103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1069103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1070103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1071103285Sikob 1072107653Ssimokawa if (firewire_debug) 1073107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1074103285Sikob root_node, gap_count); 1075103285Sikob fw_asyreq(fc, -1, xfer); 1076103285Sikob} 1077103285Sikob 1078103285Sikob#if 0 1079103285Sikob/* 1080103285Sikob * Dump self ID. 1081103285Sikob */ 1082103285Sikobstatic void 1083103285Sikobfw_print_sid(u_int32_t sid) 1084103285Sikob{ 1085103285Sikob union fw_self_id *s; 1086103285Sikob s = (union fw_self_id *) &sid; 1087103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1088103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1089103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1090103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1091103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1092103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1093103285Sikob} 1094103285Sikob#endif 1095103285Sikob 1096103285Sikob/* 1097103285Sikob * To receive self ID. 1098103285Sikob */ 1099103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 1100103285Sikob{ 1101103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 1102103285Sikob union fw_self_id *self_id; 1103103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1104103285Sikob 1105103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1106103285Sikob fc->status = FWBUSINIT; 1107103285Sikob fc->max_node = fc->nodeid & 0x3f; 1108103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1109103285Sikob fc->status = FWBUSCYMELECT; 1110103285Sikob fc->topology_map->crc_len = 2; 1111103285Sikob fc->topology_map->generation ++; 1112103285Sikob fc->topology_map->self_id_count = 0; 1113103285Sikob fc->topology_map->node_count = 0; 1114103285Sikob fc->speed_map->generation ++; 1115103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1116103285Sikob self_id = &fc->topology_map->self_id[0]; 1117103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1118103285Sikob if (sid[1] != ~sid[0]) { 1119103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1120103285Sikob sid += 2; 1121103285Sikob continue; 1122103285Sikob } 1123103285Sikob *self_id = *((union fw_self_id *)sid); 1124103285Sikob fc->topology_map->crc_len++; 1125103285Sikob if(self_id->p0.sequel == 0){ 1126103285Sikob fc->topology_map->node_count ++; 1127103285Sikob c_port = 0; 1128103285Sikob#if 0 1129103285Sikob fw_print_sid(sid[0]); 1130103285Sikob#endif 1131103285Sikob node = self_id->p0.phy_id; 1132103285Sikob if(fc->max_node < node){ 1133103285Sikob fc->max_node = self_id->p0.phy_id; 1134103285Sikob } 1135103285Sikob /* XXX I'm not sure this is the right speed_map */ 1136103285Sikob fc->speed_map->speed[node][node] 1137103285Sikob = self_id->p0.phy_speed; 1138103285Sikob for (j = 0; j < node; j ++) { 1139103285Sikob fc->speed_map->speed[j][node] 1140103285Sikob = fc->speed_map->speed[node][j] 1141103285Sikob = min(fc->speed_map->speed[j][j], 1142103285Sikob self_id->p0.phy_speed); 1143103285Sikob } 1144103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1145103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1146103285Sikob fc->irm = self_id->p0.phy_id; 1147103285Sikob } 1148103285Sikob if(self_id->p0.port0 >= 0x2){ 1149103285Sikob c_port++; 1150103285Sikob } 1151103285Sikob if(self_id->p0.port1 >= 0x2){ 1152103285Sikob c_port++; 1153103285Sikob } 1154103285Sikob if(self_id->p0.port2 >= 0x2){ 1155103285Sikob c_port++; 1156103285Sikob } 1157103285Sikob } 1158103285Sikob if(c_port > 2){ 1159103285Sikob i_branch += (c_port - 2); 1160103285Sikob } 1161103285Sikob sid += 2; 1162103285Sikob self_id++; 1163103285Sikob fc->topology_map->self_id_count ++; 1164103285Sikob } 1165108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1166103285Sikob /* CRC */ 1167103285Sikob fc->topology_map->crc = fw_crc16( 1168103285Sikob (u_int32_t *)&fc->topology_map->generation, 1169103285Sikob fc->topology_map->crc_len * 4); 1170103285Sikob fc->speed_map->crc = fw_crc16( 1171103285Sikob (u_int32_t *)&fc->speed_map->generation, 1172103285Sikob fc->speed_map->crc_len * 4); 1173103285Sikob /* byteswap and copy to CSR */ 1174103285Sikob p = (u_int32_t *)fc->topology_map; 1175103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1176103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1177103285Sikob p = (u_int32_t *)fc->speed_map; 1178103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1179103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1180103285Sikob /* don't byte-swap u_int8_t array */ 1181103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1182103285Sikob 1183103285Sikob fc->max_hop = fc->max_node - i_branch; 1184103285Sikob#if 1 1185103285Sikob printf(", maxhop <= %d", fc->max_hop); 1186103285Sikob#endif 1187103285Sikob 1188103285Sikob if(fc->irm == -1 ){ 1189103285Sikob printf(", Not found IRM capable node"); 1190103285Sikob }else{ 1191103285Sikob printf(", cable IRM = %d", fc->irm); 1192103285Sikob if (fc->irm == fc->nodeid) 1193103285Sikob printf(" (me)\n"); 1194103285Sikob else 1195103285Sikob printf("\n"); 1196103285Sikob } 1197103285Sikob 1198103285Sikob if((fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f) ){ 1199103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1200103285Sikob fc->status = FWBUSMGRDONE; 1201103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1202103285Sikob }else{ 1203103285Sikob fc->status = FWBUSMGRELECT; 1204103285Sikob fc->bmrhandle = timeout((timeout_t *)fw_try_bmr,(void *)fc, hz / 8); 1205103285Sikob } 1206103285Sikob }else{ 1207103285Sikob fc->status = FWBUSMGRDONE; 1208108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1209108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1210103285Sikob } 1211103285Sikob free(buf, M_DEVBUF); 1212103285Sikob#if 1 1213103285Sikob /* XXX optimize gap_count, if I am BMGR */ 1214103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1215103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 1216103285Sikob } 1217103285Sikob#endif 1218103285Sikob#if 1 1219108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1220108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1221103285Sikob#else 1222103285Sikob fw_bus_probe(fc); 1223103285Sikob#endif 1224103285Sikob} 1225106790Ssimokawa 1226103285Sikob/* 1227103285Sikob * To probe devices on the IEEE1394 bus. 1228103285Sikob */ 1229106790Ssimokawastatic void 1230106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1231103285Sikob{ 1232103285Sikob int s; 1233103285Sikob struct fw_device *fwdev, *next; 1234103285Sikob 1235103285Sikob s = splfw(); 1236103285Sikob fc->status = FWBUSEXPLORE; 1237103285Sikob fc->retry_count = 0; 1238103285Sikob 1239103285Sikob/* 1240103285Sikob * Invalidate all devices, just after bus reset. Devices 1241103285Sikob * to be removed has not been seen longer time. 1242103285Sikob */ 1243103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1244103285Sikob next = TAILQ_NEXT(fwdev, link); 1245103285Sikob if(fwdev->status != FWDEVINVAL){ 1246103285Sikob fwdev->status = FWDEVINVAL; 1247103285Sikob fwdev->rcnt = 0; 1248103285Sikob }else if(fwdev->rcnt < FW_MAXDEVRCNT){ 1249103285Sikob fwdev->rcnt ++; 1250103285Sikob }else{ 1251103285Sikob TAILQ_REMOVE(&fc->devices, fwdev, link); 1252103285Sikob free(fwdev, M_DEVBUF); 1253103285Sikob } 1254103285Sikob } 1255103285Sikob fc->ongonode = 0; 1256103285Sikob fc->ongoaddr = CSRROMOFF; 1257103285Sikob fc->ongodev = NULL; 1258103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1259103285Sikob fw_bus_explore(fc); 1260103285Sikob splx(s); 1261103285Sikob} 1262106790Ssimokawa 1263103285Sikob/* 1264103285Sikob * To collect device informations on the IEEE1394 bus. 1265103285Sikob */ 1266106790Ssimokawastatic void 1267106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1268103285Sikob{ 1269103285Sikob int err = 0; 1270103285Sikob struct fw_device *fwdev, *tfwdev; 1271103285Sikob u_int32_t addr; 1272103285Sikob struct fw_xfer *xfer; 1273103285Sikob struct fw_pkt *fp; 1274103285Sikob 1275103285Sikob if(fc->status != FWBUSEXPLORE) 1276103285Sikob return; 1277103285Sikob 1278103285Sikobloop: 1279103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1280103285Sikob 1281103285Sikob if(fc->ongonode > fc->max_node) goto done; 1282103285Sikob if(fc->ongonode >= 0x3f) goto done; 1283103285Sikob 1284103285Sikob /* check link */ 1285103285Sikob /* XXX we need to check phy_id first */ 1286103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1287103285Sikob printf("fw_bus_explore: node %d link down\n", fc->ongonode); 1288103285Sikob fc->ongonode++; 1289103285Sikob goto loop; 1290103285Sikob } 1291103285Sikob 1292103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1293103285Sikob fc->ongoeui.hi == 0xffffffff && 1294103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1295103285Sikob fc->ongoaddr = CSRROMOFF; 1296103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1297103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1298103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1299103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1300103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1301103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1302103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1303103285Sikob }else if(fc->ongodev == NULL){ 1304103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1305103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1306103285Sikob if(fwdev->eui.hi == fc->ongoeui.hi && fwdev->eui.lo == fc->ongoeui.lo){ 1307103285Sikob break; 1308103285Sikob } 1309103285Sikob } 1310103285Sikob if(fwdev != NULL){ 1311103285Sikob fwdev->dst = fc->ongonode; 1312103285Sikob fwdev->status = FWDEVATTACHED; 1313103285Sikob fc->ongonode++; 1314103285Sikob fc->ongoaddr = CSRROMOFF; 1315103285Sikob fc->ongodev = NULL; 1316103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1317103285Sikob goto loop; 1318103285Sikob } 1319109424Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_DEVBUF, M_NOWAIT); 1320103285Sikob if(fwdev == NULL) 1321103285Sikob return; 1322106810Ssimokawa fwdev->fc = fc; 1323103285Sikob fwdev->rommax = 0; 1324103285Sikob fwdev->dst = fc->ongonode; 1325103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1326103285Sikob fwdev->status = FWDEVINIT; 1327103285Sikob#if 0 1328103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1329103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1330103285Sikob#else 1331103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1332103285Sikob#endif 1333103285Sikob 1334103285Sikob tfwdev = TAILQ_FIRST(&fc->devices); 1335103285Sikob while( tfwdev != NULL && 1336103285Sikob (tfwdev->eui.hi > fwdev->eui.hi) && 1337103285Sikob ((tfwdev->eui.hi == fwdev->eui.hi) && 1338103285Sikob tfwdev->eui.lo > fwdev->eui.lo)){ 1339103285Sikob tfwdev = TAILQ_NEXT( tfwdev, link); 1340103285Sikob } 1341103285Sikob if(tfwdev == NULL){ 1342103285Sikob TAILQ_INSERT_TAIL(&fc->devices, fwdev, link); 1343103285Sikob }else{ 1344103285Sikob TAILQ_INSERT_BEFORE(tfwdev, fwdev, link); 1345103285Sikob } 1346103285Sikob 1347108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1348107653Ssimokawa linkspeed[fwdev->speed], 1349107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1350103285Sikob 1351103285Sikob fc->ongodev = fwdev; 1352103285Sikob fc->ongoaddr = CSRROMOFF; 1353103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1354103285Sikob }else{ 1355103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1356103285Sikob } 1357103285Sikob#if 0 1358103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1359103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1360103285Sikob fw_bus_explore_callback); 1361103285Sikob if(xfer == NULL) goto done; 1362103285Sikob#else 1363103285Sikob xfer = fw_xfer_alloc(); 1364103285Sikob if(xfer == NULL){ 1365103285Sikob goto done; 1366103285Sikob } 1367103285Sikob xfer->send.len = 16; 1368103285Sikob xfer->spd = 0; 1369109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1370103285Sikob if(xfer->send.buf == NULL){ 1371103285Sikob fw_xfer_free( xfer); 1372103285Sikob return; 1373103285Sikob } 1374103285Sikob 1375103285Sikob xfer->send.off = 0; 1376103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1377103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1378103285Sikob fp->mode.rreqq.tlrt = 0; 1379103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1380103285Sikob fp->mode.rreqq.pri = 0; 1381103285Sikob fp->mode.rreqq.src = 0; 1382103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1383103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1384103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1385103285Sikob xfer->act.hand = fw_bus_explore_callback; 1386103285Sikob 1387103285Sikob err = fw_asyreq(fc, -1, xfer); 1388103285Sikob if(err){ 1389103285Sikob fw_xfer_free( xfer); 1390103285Sikob return; 1391103285Sikob } 1392103285Sikob#endif 1393103285Sikob return; 1394103285Sikobdone: 1395103285Sikob /* fw_attach_devs */ 1396103285Sikob fc->status = FWBUSEXPDONE; 1397107653Ssimokawa if (firewire_debug) 1398107653Ssimokawa printf("bus_explore done\n"); 1399103285Sikob fw_attach_dev(fc); 1400103285Sikob return; 1401103285Sikob 1402103285Sikob} 1403106790Ssimokawa 1404103285Sikob/* Portable Async. request read quad */ 1405106790Ssimokawastruct fw_xfer * 1406106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1407105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1408105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1409103285Sikob{ 1410103285Sikob struct fw_xfer *xfer; 1411103285Sikob struct fw_pkt *fp; 1412103285Sikob int err; 1413103285Sikob 1414103285Sikob xfer = fw_xfer_alloc(); 1415103285Sikob if(xfer == NULL){ 1416103285Sikob return NULL; 1417103285Sikob } 1418103285Sikob xfer->send.len = 16; 1419103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1420109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1421103285Sikob if(xfer->send.buf == NULL){ 1422103285Sikob fw_xfer_free( xfer); 1423103285Sikob return NULL; 1424103285Sikob } 1425103285Sikob 1426103285Sikob xfer->send.off = 0; 1427103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1428103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1429103285Sikob if(tl & FWP_TL_VALID){ 1430103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1431103285Sikob }else{ 1432103285Sikob fp->mode.rreqq.tlrt = 0; 1433103285Sikob } 1434103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1435103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1436103285Sikob fp->mode.rreqq.pri = 0; 1437103285Sikob fp->mode.rreqq.src = 0; 1438103285Sikob xfer->dst = addr_hi >> 16; 1439103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1440103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1441103285Sikob xfer->act.hand = hand; 1442103285Sikob 1443103285Sikob err = fw_asyreq(fc, -1, xfer); 1444103285Sikob if(err){ 1445103285Sikob fw_xfer_free( xfer); 1446103285Sikob return NULL; 1447103285Sikob } 1448103285Sikob return xfer; 1449103285Sikob} 1450106790Ssimokawa 1451103285Sikob/* 1452103285Sikob * Callback for the IEEE1394 bus information collection. 1453103285Sikob */ 1454106790Ssimokawastatic void 1455106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1456106790Ssimokawa{ 1457103285Sikob struct firewire_comm *fc; 1458103285Sikob struct fw_pkt *sfp,*rfp; 1459103285Sikob struct csrhdr *chdr; 1460103285Sikob struct csrdir *csrd; 1461103285Sikob struct csrreg *csrreg; 1462103285Sikob u_int32_t offset; 1463103285Sikob 1464103285Sikob 1465103285Sikob if(xfer == NULL) return; 1466103285Sikob fc = xfer->fc; 1467103285Sikob if(xfer->resp != 0){ 1468103285Sikob printf("resp != 0: node=%d addr=0x%x\n", 1469103285Sikob fc->ongonode, fc->ongoaddr); 1470103285Sikob fc->retry_count++; 1471103285Sikob goto nextnode; 1472103285Sikob } 1473103285Sikob 1474103285Sikob if(xfer->send.buf == NULL){ 1475103285Sikob printf("send.buf == NULL: node=%d addr=0x%x\n", 1476103285Sikob fc->ongonode, fc->ongoaddr); 1477103285Sikob printf("send.buf == NULL\n"); 1478103285Sikob fc->retry_count++; 1479103285Sikob goto nextnode; 1480103285Sikob } 1481103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1482103285Sikob 1483103285Sikob if(xfer->recv.buf == NULL){ 1484103285Sikob printf("recv.buf == NULL: node=%d addr=0x%x\n", 1485103285Sikob fc->ongonode, fc->ongoaddr); 1486103285Sikob fc->retry_count++; 1487103285Sikob goto nextnode; 1488103285Sikob } 1489103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1490103285Sikob#if 0 1491103285Sikob { 1492103285Sikob u_int32_t *qld; 1493103285Sikob int i; 1494103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1495103285Sikob printf("len:%d\n", xfer->recv.len); 1496103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1497103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1498103285Sikob if((i % 16) == 15) printf("\n"); 1499103285Sikob } 1500103285Sikob if((i % 16) != 15) printf("\n"); 1501103285Sikob } 1502103285Sikob#endif 1503103285Sikob if(fc->ongodev == NULL){ 1504103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1505103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1506103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1507103285Sikob/* If CSR is minimul confinguration, more investgation is not needed. */ 1508103285Sikob if(chdr->info_len == 1){ 1509103285Sikob goto nextnode; 1510103285Sikob }else{ 1511103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1512103285Sikob } 1513103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1514103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1515103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1516103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1517103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1518103285Sikob if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) 1519103285Sikob goto nextnode; 1520103285Sikob fc->ongoaddr = CSRROMOFF; 1521103285Sikob } 1522103285Sikob }else{ 1523103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1524103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1525103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1526103285Sikob } 1527103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1528103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1529103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1530103285Sikob offset = CSRROMOFF; 1531103285Sikob }else{ 1532103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1533103285Sikob offset = csrd->off; 1534103285Sikob } 1535103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1536103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1537103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1538103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1539103285Sikob if(csrd == NULL){ 1540103285Sikob goto nextnode; 1541103285Sikob }else{ 1542103285Sikob csrd->ongoaddr = fc->ongoaddr; 1543103285Sikob fc->ongoaddr += csrreg->val * 4; 1544103285Sikob csrd->off = fc->ongoaddr; 1545103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1546103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1547103285Sikob goto nextaddr; 1548103285Sikob } 1549103285Sikob } 1550103285Sikob } 1551103285Sikob fc->ongoaddr += 4; 1552103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1553103285Sikob (fc->ongodev->rommax < 0x414)){ 1554103285Sikob if(fc->ongodev->rommax <= 0x414){ 1555103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1556103285Sikob if(csrd == NULL) goto nextnode; 1557103285Sikob csrd->off = fc->ongoaddr; 1558103285Sikob csrd->ongoaddr = fc->ongoaddr; 1559103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1560103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1561103285Sikob } 1562103285Sikob goto nextaddr; 1563103285Sikob } 1564103285Sikob 1565103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1566103285Sikob if(csrd == NULL){ 1567103285Sikob goto nextnode; 1568103285Sikob }; 1569103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1570103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1571103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1572103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1573103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1574103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1575103285Sikob offset = CSRROMOFF; 1576103285Sikob }else{ 1577103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1578103285Sikob offset = csrd->off; 1579103285Sikob } 1580103285Sikob } 1581103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1582103285Sikob goto nextnode; 1583103285Sikob } 1584103285Sikob } 1585103285Sikobnextaddr: 1586103285Sikob fw_xfer_free( xfer); 1587103285Sikob fw_bus_explore(fc); 1588103285Sikob return; 1589103285Sikobnextnode: 1590103285Sikob fw_xfer_free( xfer); 1591103285Sikob fc->ongonode++; 1592103285Sikob/* housekeeping work space */ 1593103285Sikob fc->ongoaddr = CSRROMOFF; 1594103285Sikob fc->ongodev = NULL; 1595103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1596103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1597103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1598103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1599103285Sikob } 1600103285Sikob fw_bus_explore(fc); 1601103285Sikob return; 1602103285Sikob} 1603103285Sikob 1604103285Sikob/* 1605103285Sikob * To obtain CSR register values. 1606103285Sikob */ 1607106815Ssimokawau_int32_t 1608106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1609103285Sikob{ 1610103285Sikob int i; 1611103285Sikob struct csrhdr *chdr; 1612103285Sikob struct csrreg *creg; 1613103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1614103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1615103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1616103285Sikob if(creg->key == key){ 1617103285Sikob return (u_int32_t)creg->val; 1618103285Sikob } 1619103285Sikob } 1620103285Sikob return 0; 1621103285Sikob} 1622106815Ssimokawa 1623103285Sikob/* 1624103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1625103285Sikob */ 1626106815Ssimokawastatic void 1627106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1628103285Sikob{ 1629103285Sikob struct fw_device *fwdev; 1630103285Sikob struct fw_xfer *xfer; 1631103285Sikob int i, err; 1632103285Sikob device_t *devlistp; 1633103285Sikob int devcnt; 1634103285Sikob struct firewire_dev_comm *fdc; 1635108701Ssimokawa u_int32_t spec, ver; 1636103285Sikob 1637103285Sikob for(fwdev = TAILQ_FIRST(&fc->devices); fwdev != NULL; 1638103285Sikob fwdev = TAILQ_NEXT(fwdev, link)){ 1639103285Sikob if(fwdev->status == FWDEVINIT){ 1640108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1641108701Ssimokawa if(spec == 0) 1642103285Sikob continue; 1643108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1644108701Ssimokawa if(ver == 0) 1645103285Sikob continue; 1646103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1647103285Sikob 1648108655Ssimokawa device_printf(fc->bdev, "Device "); 1649108701Ssimokawa switch(spec){ 1650103285Sikob case CSRVAL_ANSIT10: 1651108701Ssimokawa switch(ver){ 1652103285Sikob case CSRVAL_T10SBP2: 1653107653Ssimokawa printf("SBP-II"); 1654103285Sikob break; 1655103285Sikob default: 1656103285Sikob break; 1657103285Sikob } 1658103285Sikob break; 1659103285Sikob case CSRVAL_1394TA: 1660108701Ssimokawa switch(ver){ 1661103285Sikob case CSR_PROTAVC: 1662107653Ssimokawa printf("AV/C"); 1663103285Sikob break; 1664103285Sikob case CSR_PROTCAL: 1665107653Ssimokawa printf("CAL"); 1666103285Sikob break; 1667103285Sikob case CSR_PROTEHS: 1668107653Ssimokawa printf("EHS"); 1669103285Sikob break; 1670103285Sikob case CSR_PROTHAVI: 1671107653Ssimokawa printf("HAVi"); 1672103285Sikob break; 1673103285Sikob case CSR_PROTCAM104: 1674107653Ssimokawa printf("1394 Cam 1.04"); 1675103285Sikob break; 1676103285Sikob case CSR_PROTCAM120: 1677107653Ssimokawa printf("1394 Cam 1.20"); 1678103285Sikob break; 1679103285Sikob case CSR_PROTCAM130: 1680107653Ssimokawa printf("1394 Cam 1.30"); 1681103285Sikob break; 1682103285Sikob case CSR_PROTDPP: 1683107653Ssimokawa printf("1394 Direct print"); 1684103285Sikob break; 1685103285Sikob case CSR_PROTIICP: 1686107653Ssimokawa printf("Industrial & Instrument"); 1687103285Sikob break; 1688103285Sikob default: 1689107653Ssimokawa printf("unknown 1394TA"); 1690103285Sikob break; 1691103285Sikob } 1692103285Sikob break; 1693103285Sikob default: 1694107653Ssimokawa printf("unknown spec"); 1695103285Sikob break; 1696103285Sikob } 1697103285Sikob fwdev->status = FWDEVATTACHED; 1698103285Sikob printf("\n"); 1699103285Sikob } 1700103285Sikob } 1701108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1702103285Sikob if( err != 0 ) 1703103285Sikob return; 1704103285Sikob for( i = 0 ; i < devcnt ; i++){ 1705103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1706103285Sikob fdc = device_get_softc(devlistp[i]); 1707103285Sikob if (fdc->post_explore != NULL) 1708103285Sikob fdc->post_explore(fdc); 1709103285Sikob } 1710103285Sikob } 1711103285Sikob free(devlistp, M_TEMP); 1712103285Sikob 1713103285Sikob /* call pending handlers */ 1714103285Sikob i = 0; 1715103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1716103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1717103285Sikob i++; 1718103285Sikob if (xfer->act.hand) 1719103285Sikob xfer->act.hand(xfer); 1720103285Sikob } 1721103285Sikob if (i > 0) 1722103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1723103285Sikob if (fc->retry_count > 0) { 1724103285Sikob printf("retry_count = %d\n", fc->retry_count); 1725103285Sikob fc->retry_probe_handle = timeout((timeout_t *)fc->ibr, 1726103285Sikob (void *)fc, hz*2); 1727103285Sikob } 1728103285Sikob return; 1729103285Sikob} 1730106815Ssimokawa 1731103285Sikob/* 1732103285Sikob * To allocate uniq transaction label. 1733103285Sikob */ 1734106815Ssimokawastatic int 1735106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1736103285Sikob{ 1737103285Sikob u_int i; 1738103285Sikob struct tlabel *tl, *tmptl; 1739103285Sikob int s; 1740103285Sikob static u_int32_t label = 0; 1741103285Sikob 1742103285Sikob s = splfw(); 1743103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1744103285Sikob label = (label + 1) & 0x3f; 1745103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1746103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1747103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1748103285Sikob } 1749103285Sikob if(tmptl == NULL) { 1750109424Ssimokawa tl = malloc(sizeof(struct tlabel),M_DEVBUF,M_NOWAIT); 1751103285Sikob if (tl == NULL) { 1752103285Sikob splx(s); 1753103285Sikob return (-1); 1754103285Sikob } 1755103285Sikob tl->xfer = xfer; 1756103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1757103285Sikob splx(s); 1758103285Sikob return(label); 1759103285Sikob } 1760103285Sikob } 1761103285Sikob splx(s); 1762103285Sikob 1763103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1764103285Sikob return(-1); 1765103285Sikob} 1766106815Ssimokawa 1767103285Sikob/* 1768103285Sikob * Generic packet receving process. 1769103285Sikob */ 1770106815Ssimokawavoid 1771106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1772103285Sikob{ 1773103285Sikob struct fw_pkt *fp, *resfp; 1774103285Sikob struct fw_xfer *xfer; 1775103285Sikob struct fw_bind *bind; 1776103285Sikob struct firewire_softc *sc; 1777103285Sikob int s; 1778103285Sikob#if 0 1779103285Sikob { 1780103285Sikob u_int32_t *qld; 1781103285Sikob int i; 1782103285Sikob qld = (u_int32_t *)buf; 1783103285Sikob printf("spd %d len:%d\n", spd, len); 1784103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1785103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1786103285Sikob if((i % 16) == 15) printf("\n"); 1787103285Sikob } 1788103285Sikob if((i % 16) != 15) printf("\n"); 1789103285Sikob } 1790103285Sikob#endif 1791103285Sikob fp = (struct fw_pkt *)(buf + off); 1792103285Sikob switch(fp->mode.common.tcode){ 1793103285Sikob case FWTCODE_WRES: 1794103285Sikob case FWTCODE_RRESQ: 1795103285Sikob case FWTCODE_RRESB: 1796103285Sikob case FWTCODE_LRES: 1797103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1798103285Sikob fp->mode.hdr.tlrt >> 2); 1799103285Sikob if(xfer == NULL) { 1800103285Sikob printf("fw_rcv: unknown response " 1801103285Sikob "tcode=%d src=0x%x tl=%x rt=%d data=0x%x\n", 1802103285Sikob fp->mode.common.tcode, 1803103285Sikob ntohs(fp->mode.hdr.src), 1804103285Sikob fp->mode.hdr.tlrt >> 2, 1805103285Sikob fp->mode.hdr.tlrt & 3, 1806103285Sikob fp->mode.rresq.data); 1807103285Sikob#if 1 1808103285Sikob printf("try ad-hoc work around!!\n"); 1809103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1810103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1811103285Sikob if (xfer == NULL) { 1812103285Sikob printf("no use...\n"); 1813103285Sikob goto err; 1814103285Sikob } 1815103285Sikob#else 1816103285Sikob goto err; 1817103285Sikob#endif 1818103285Sikob } 1819103285Sikob switch(xfer->act_type){ 1820103285Sikob case FWACT_XFER: 1821103285Sikob if((xfer->sub >= 0) && 1822103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1823103285Sikob xfer->resp = EINVAL; 1824103285Sikob fw_xfer_done(xfer); 1825103285Sikob goto err; 1826103285Sikob } 1827103285Sikob xfer->recv.len = len; 1828103285Sikob xfer->recv.off = off; 1829103285Sikob xfer->recv.buf = buf; 1830103285Sikob xfer->resp = 0; 1831103285Sikob fw_xfer_done(xfer); 1832103285Sikob return; 1833103285Sikob break; 1834103285Sikob case FWACT_CH: 1835103285Sikob default: 1836103285Sikob goto err; 1837103285Sikob break; 1838103285Sikob } 1839103285Sikob break; 1840103285Sikob case FWTCODE_WREQQ: 1841103285Sikob case FWTCODE_WREQB: 1842103285Sikob case FWTCODE_RREQQ: 1843103285Sikob case FWTCODE_RREQB: 1844103285Sikob case FWTCODE_LREQ: 1845103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1846103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1847103285Sikob if(bind == NULL){ 1848108712Ssimokawa#if __FreeBSD_version >= 500000 1849103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1850108712Ssimokawa#else 1851108712Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x\n", 1852108712Ssimokawa#endif 1853103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1854103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1855103285Sikob fp->mode.common.tcode); 1856103285Sikob if (fc->status == FWBUSRESET) { 1857103285Sikob printf("fw_rcv: cannot response(bus reset)!\n"); 1858103285Sikob goto err; 1859103285Sikob } 1860103285Sikob xfer = fw_xfer_alloc(); 1861103285Sikob if(xfer == NULL){ 1862103285Sikob return; 1863103285Sikob } 1864103285Sikob xfer->spd = spd; 1865109424Ssimokawa xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 1866103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1867103285Sikob switch(fp->mode.common.tcode){ 1868103285Sikob case FWTCODE_WREQQ: 1869103285Sikob case FWTCODE_WREQB: 1870103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1871103285Sikob xfer->send.len = 12; 1872103285Sikob break; 1873103285Sikob case FWTCODE_RREQQ: 1874103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1875103285Sikob xfer->send.len = 16; 1876103285Sikob break; 1877103285Sikob case FWTCODE_RREQB: 1878103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1879103285Sikob xfer->send.len = 16; 1880103285Sikob break; 1881103285Sikob case FWTCODE_LREQ: 1882103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1883103285Sikob xfer->send.len = 16; 1884103285Sikob break; 1885103285Sikob } 1886103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1887103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1888103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1889103285Sikob resfp->mode.rresb.rtcode = 7; 1890103285Sikob resfp->mode.rresb.extcode = 0; 1891103285Sikob resfp->mode.rresb.len = 0; 1892103285Sikob/* 1893103285Sikob xfer->act.hand = fw_asy_callback; 1894103285Sikob*/ 1895103285Sikob xfer->act.hand = fw_xfer_free; 1896103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1897103285Sikob fw_xfer_free( xfer); 1898103285Sikob return; 1899103285Sikob } 1900103285Sikob goto err; 1901103285Sikob } 1902103285Sikob switch(bind->xfer->act_type){ 1903103285Sikob case FWACT_XFER: 1904103285Sikob xfer = fw_xfer_alloc(); 1905103285Sikob if(xfer == NULL) goto err; 1906103285Sikob xfer->fc = bind->xfer->fc; 1907103285Sikob xfer->sc = bind->xfer->sc; 1908103285Sikob xfer->recv.buf = buf; 1909103285Sikob xfer->recv.len = len; 1910103285Sikob xfer->recv.off = off; 1911103285Sikob xfer->spd = spd; 1912103285Sikob xfer->act.hand = bind->xfer->act.hand; 1913103285Sikob if (fc->status != FWBUSRESET) 1914103285Sikob xfer->act.hand(xfer); 1915103285Sikob else 1916103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1917103285Sikob return; 1918103285Sikob break; 1919103285Sikob case FWACT_CH: 1920103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1921103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1922108655Ssimokawa device_printf(fc->bdev, 1923108655Ssimokawa "Discard a packet %x %d\n", 1924103285Sikob bind->xfer->sub, 1925103285Sikob fc->ir[bind->xfer->sub]->queued); 1926103285Sikob goto err; 1927103285Sikob } 1928103285Sikob xfer = fw_xfer_alloc(); 1929103285Sikob if(xfer == NULL) goto err; 1930103285Sikob xfer->recv.buf = buf; 1931103285Sikob xfer->recv.len = len; 1932103285Sikob xfer->recv.off = off; 1933103285Sikob xfer->spd = spd; 1934103285Sikob s = splfw(); 1935103285Sikob fc->ir[bind->xfer->sub]->queued++; 1936103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1937103285Sikob splx(s); 1938103285Sikob 1939103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1940103285Sikob 1941103285Sikob return; 1942103285Sikob break; 1943103285Sikob default: 1944103285Sikob goto err; 1945103285Sikob break; 1946103285Sikob } 1947103285Sikob break; 1948103285Sikob case FWTCODE_STREAM: 1949103285Sikob { 1950103285Sikob struct fw_xferq *xferq; 1951103285Sikob 1952103285Sikob xferq = fc->ir[sub]; 1953103285Sikob#if 0 1954103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1955103285Sikob sub, len, off, spd); 1956103285Sikob#endif 1957103285Sikob if(xferq->queued >= xferq->maxq) { 1958103285Sikob printf("receive queue is full\n"); 1959103285Sikob goto err; 1960103285Sikob } 1961103285Sikob xfer = fw_xfer_alloc(); 1962103285Sikob if(xfer == NULL) goto err; 1963103285Sikob xfer->recv.buf = buf; 1964103285Sikob xfer->recv.len = len; 1965103285Sikob xfer->recv.off = off; 1966103285Sikob xfer->spd = spd; 1967103285Sikob s = splfw(); 1968103285Sikob xferq->queued++; 1969103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1970103285Sikob splx(s); 1971103285Sikob sc = device_get_softc(fc->bdev); 1972103285Sikob#if __FreeBSD_version >= 500000 1973103285Sikob if (SEL_WAITING(&xferq->rsel)) 1974103285Sikob#else 1975103285Sikob if (&xferq->rsel.si_pid != 0) 1976103285Sikob#endif 1977103285Sikob selwakeup(&xferq->rsel); 1978103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1979103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1980103285Sikob wakeup((caddr_t)xferq); 1981103285Sikob } 1982103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1983103285Sikob xferq->hand(xferq); 1984103285Sikob } 1985103285Sikob return; 1986103285Sikob break; 1987103285Sikob } 1988103285Sikob default: 1989103285Sikob printf("fw_rcv: unknow tcode\n"); 1990103285Sikob break; 1991103285Sikob } 1992103285Sikoberr: 1993103285Sikob free(buf, M_DEVBUF); 1994103285Sikob} 1995106815Ssimokawa 1996103285Sikob/* 1997103285Sikob * Post process for Bus Manager election process. 1998103285Sikob */ 1999103285Sikobstatic void 2000103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 2001103285Sikob{ 2002109422Ssimokawa struct fw_pkt *rfp; 2003103285Sikob struct firewire_comm *fc; 2004109422Ssimokawa int bmr; 2005103285Sikob 2006109422Ssimokawa if (xfer == NULL) 2007109422Ssimokawa return; 2008103285Sikob fc = xfer->fc; 2009109422Ssimokawa if (xfer->resp != 0) 2010103285Sikob goto error; 2011109422Ssimokawa if (xfer->send.buf == NULL) 2012103285Sikob goto error; 2013109422Ssimokawa if (xfer->recv.buf == NULL) 2014103285Sikob goto error; 2015103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2016109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 2017109422Ssimokawa goto error; 2018109422Ssimokawa 2019109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 2020109422Ssimokawa if (bmr == 0x3f) 2021109422Ssimokawa bmr = fc->nodeid; 2022109422Ssimokawa 2023109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 2024108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 2025108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 2026109422Ssimokawa if(bmr == fc->nodeid){ 2027103285Sikob printf("(me)\n"); 2028103285Sikob/* If I am bus manager, optimize gapcount */ 2029103285Sikob if(fc->max_hop <= MAX_GAPHOP ){ 2030103285Sikob fw_phy_config(fc, -1, gap_cnt[fc->max_hop]); 2031103285Sikob } 2032103285Sikob }else{ 2033103285Sikob printf("\n"); 2034103285Sikob } 2035103285Sikoberror: 2036103285Sikob fw_xfer_free(xfer); 2037103285Sikob} 2038106815Ssimokawa 2039103285Sikob/* 2040103285Sikob * To candidate Bus Manager election process. 2041103285Sikob */ 2042106815Ssimokawavoid 2043106815Ssimokawafw_try_bmr(void *arg) 2044103285Sikob{ 2045103285Sikob struct fw_xfer *xfer; 2046103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 2047103285Sikob struct fw_pkt *fp; 2048103285Sikob int err = 0; 2049103285Sikob 2050103285Sikob xfer = fw_xfer_alloc(); 2051103285Sikob if(xfer == NULL){ 2052103285Sikob return; 2053103285Sikob } 2054103285Sikob xfer->send.len = 24; 2055103285Sikob xfer->spd = 0; 2056109424Ssimokawa xfer->send.buf = malloc(24, M_DEVBUF, M_NOWAIT); 2057103285Sikob if(xfer->send.buf == NULL){ 2058103285Sikob fw_xfer_free( xfer); 2059103285Sikob return; 2060103285Sikob } 2061103285Sikob 2062103285Sikob fc->status = FWBUSMGRELECT; 2063103285Sikob 2064103285Sikob xfer->send.off = 0; 2065103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2066103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 2067103285Sikob fp->mode.lreq.tlrt = 0; 2068103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2069103285Sikob fp->mode.lreq.pri = 0; 2070103285Sikob fp->mode.lreq.src = 0; 2071103285Sikob fp->mode.lreq.len = htons(8); 2072103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 2073103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2074103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 2075103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 2076109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 2077109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 2078103285Sikob xfer->act_type = FWACT_XFER; 2079103285Sikob xfer->act.hand = fw_try_bmr_callback; 2080103285Sikob 2081103285Sikob err = fw_asyreq(fc, -1, xfer); 2082103285Sikob if(err){ 2083103285Sikob fw_xfer_free( xfer); 2084103285Sikob return; 2085103285Sikob } 2086103285Sikob return; 2087103285Sikob} 2088106543Ssimokawa 2089106543Ssimokawa#ifdef FW_VMACCESS 2090103285Sikob/* 2091103285Sikob * Software implementation for physical memory block access. 2092103285Sikob * XXX:Too slow, usef for debug purpose only. 2093103285Sikob */ 2094106815Ssimokawastatic void 2095106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2096103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2097103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 2098103285Sikob 2099103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 2100103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2101103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2102103285Sikob if(xfer->resp != 0){ 2103103285Sikob fw_xfer_free( xfer); 2104103285Sikob return; 2105103285Sikob } 2106103285Sikob if(xfer->recv.buf == NULL){ 2107103285Sikob fw_xfer_free( xfer); 2108103285Sikob return; 2109103285Sikob } 2110103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2111103285Sikob switch(rfp->mode.hdr.tcode){ 2112103285Sikob /* XXX need fix for 64bit arch */ 2113103285Sikob case FWTCODE_WREQB: 2114103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 2115103285Sikob xfer->send.len = 12; 2116103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2117103285Sikob bcopy(rfp->mode.wreqb.payload, 2118103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2119103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2120103285Sikob sfp->mode.wres.rtcode = 0; 2121103285Sikob break; 2122103285Sikob case FWTCODE_WREQQ: 2123103285Sikob xfer->send.buf = malloc(12, M_DEVBUF, M_NOWAIT); 2124103285Sikob xfer->send.len = 12; 2125103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2126103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2127103285Sikob sfp->mode.wres.rtcode = 0; 2128103285Sikob break; 2129103285Sikob case FWTCODE_RREQB: 2130103285Sikob xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_DEVBUF, M_NOWAIT); 2131103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2132103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2133103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2134103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2135103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2136103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2137103285Sikob sfp->mode.rresb.rtcode = 0; 2138103285Sikob sfp->mode.rresb.extcode = 0; 2139103285Sikob break; 2140103285Sikob case FWTCODE_RREQQ: 2141103285Sikob xfer->send.buf = malloc(16, M_DEVBUF, M_NOWAIT); 2142103285Sikob xfer->send.len = 16; 2143103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2144103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2145103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2146103285Sikob sfp->mode.rresb.rtcode = 0; 2147103285Sikob break; 2148103285Sikob default: 2149103285Sikob fw_xfer_free( xfer); 2150103285Sikob return; 2151103285Sikob } 2152103285Sikob xfer->send.off = 0; 2153103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2154103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2155103285Sikob xfer->act.hand = fw_xfer_free; 2156103285Sikob xfer->retry_req = fw_asybusy; 2157103285Sikob 2158103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2159103285Sikob sfp->mode.hdr.pri = 0; 2160103285Sikob 2161103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2162103285Sikob/**/ 2163103285Sikob return; 2164103285Sikob} 2165106543Ssimokawa#endif 2166106543Ssimokawa 2167103285Sikob/* 2168103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2169103285Sikob */ 2170106815Ssimokawau_int16_t 2171106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2172103285Sikob u_int32_t i, sum, crc = 0; 2173103285Sikob int shift; 2174103285Sikob len = (len + 3) & ~3; 2175103285Sikob for(i = 0 ; i < len ; i+= 4){ 2176103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2177103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2178103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2179103285Sikob } 2180103285Sikob crc &= 0xffff; 2181103285Sikob } 2182103285Sikob return((u_int16_t) crc); 2183103285Sikob} 2184106815Ssimokawa 2185103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2186103285SikobMODULE_VERSION(firewire, 1); 2187