firewire.c revision 111040
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 111040 2003-02-17 14:24:06Z simokawa $ 34103285Sikob * 35103285Sikob */ 36103285Sikob 37103285Sikob#include <sys/param.h> 38103285Sikob#include <sys/systm.h> 39103285Sikob#include <sys/types.h> 40103285Sikob#include <sys/mbuf.h> 41103285Sikob#include <sys/socket.h> 42103285Sikob#include <sys/socketvar.h> 43103285Sikob 44103285Sikob#include <sys/kernel.h> 45103285Sikob#include <sys/malloc.h> 46103285Sikob#include <sys/conf.h> 47103285Sikob#include <sys/uio.h> 48103285Sikob#include <sys/sysctl.h> 49103285Sikob 50103285Sikob#include <machine/cpufunc.h> /* for rdtsc proto for clock.h below */ 51103285Sikob#include <machine/clock.h> 52103285Sikob 53103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 54103285Sikob 55103285Sikob#include <dev/firewire/firewire.h> 56103285Sikob#include <dev/firewire/firewirereg.h> 57110072Ssimokawa#include <dev/firewire/fwmem.h> 58103285Sikob#include <dev/firewire/iec13213.h> 59103285Sikob#include <dev/firewire/iec68113.h> 60103285Sikob 61109736Ssimokawaint firewire_debug=0, try_bmr=1; 62103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 63108281Ssimokawa "FireWire driver debug flag"); 64109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 65109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 66109736Ssimokawa "Try to be a bus manager"); 67103285Sikob 68110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 69110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 70110195Ssimokawa 71103285Sikob#define FW_MAXASYRTY 4 72103285Sikob#define FW_MAXDEVRCNT 4 73103285Sikob 74103285Sikob#define XFER_TIMEOUT 0 75103285Sikob 76103285Sikobdevclass_t firewire_devclass; 77103285Sikob 78103285Sikobstatic int firewire_match __P((device_t)); 79103285Sikobstatic int firewire_attach __P((device_t)); 80103285Sikobstatic int firewire_detach __P((device_t)); 81103285Sikob#if 0 82103285Sikobstatic int firewire_shutdown __P((device_t)); 83103285Sikob#endif 84103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 85103285Sikobstatic void fw_try_bmr __P((void *)); 86103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 87103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 88103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 89103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 90103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 91103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 92103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 93106543Ssimokawa#ifdef FW_VMACCESS 94103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 95106543Ssimokawa#endif 96103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 97105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 98110072Ssimokawastatic int fw_bmr __P((struct firewire_comm *)); 99103285Sikob 100103285Sikobstatic device_method_t firewire_methods[] = { 101103285Sikob /* Device interface */ 102103285Sikob DEVMETHOD(device_probe, firewire_match), 103103285Sikob DEVMETHOD(device_attach, firewire_attach), 104103285Sikob DEVMETHOD(device_detach, firewire_detach), 105108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 106108642Ssimokawa DEVMETHOD(device_resume, bus_generic_resume), 107103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 108103285Sikob 109103285Sikob /* Bus interface */ 110103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 111103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 112103285Sikob 113103285Sikob { 0, 0 } 114103285Sikob}; 115103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 116103285Sikob 117103285Sikob#define MAX_GAPHOP 16 118103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 119103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 120106813Ssimokawa 121106813Ssimokawaextern struct cdevsw firewire_cdevsw; 122106813Ssimokawa 123103285Sikobstatic driver_t firewire_driver = { 124103285Sikob "firewire", 125103285Sikob firewire_methods, 126103285Sikob sizeof(struct firewire_softc), 127103285Sikob}; 128103285Sikob 129103285Sikob/* 130110072Ssimokawa * Lookup fwdev by node id. 131103285Sikob */ 132106810Ssimokawastruct fw_device * 133110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 134103285Sikob{ 135103285Sikob struct fw_device *fwdev; 136110072Ssimokawa int s; 137110072Ssimokawa 138110072Ssimokawa s = splfw(); 139110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 140110072Ssimokawa if (fwdev->dst == dst) 141103285Sikob break; 142110072Ssimokawa splx(s); 143110072Ssimokawa 144106810Ssimokawa if(fwdev == NULL) return NULL; 145106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 146106810Ssimokawa return fwdev; 147103285Sikob} 148106813Ssimokawa 149103285Sikob/* 150110072Ssimokawa * Lookup fwdev by EUI64. 151110072Ssimokawa */ 152110072Ssimokawastruct fw_device * 153110582Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 154110072Ssimokawa{ 155110072Ssimokawa struct fw_device *fwdev; 156110072Ssimokawa int s; 157110072Ssimokawa 158110072Ssimokawa s = splfw(); 159110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 160110582Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 161110072Ssimokawa break; 162110072Ssimokawa splx(s); 163110072Ssimokawa 164110072Ssimokawa if(fwdev == NULL) return NULL; 165110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 166110072Ssimokawa return fwdev; 167110072Ssimokawa} 168110072Ssimokawa 169110072Ssimokawa/* 170103285Sikob * Async. request procedure for userland application. 171103285Sikob */ 172103285Sikobint 173103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 174103285Sikob{ 175103285Sikob int err = 0; 176103285Sikob struct fw_xferq *xferq; 177103285Sikob int tl = 0, len; 178103285Sikob struct fw_pkt *fp; 179103285Sikob int tcode; 180103285Sikob struct tcode_info *info; 181103285Sikob 182103285Sikob if(xfer == NULL) return EINVAL; 183108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 184103285Sikob printf("send.len > maxrec\n"); 185103285Sikob return EINVAL; 186103285Sikob } 187103285Sikob if(xfer->act.hand == NULL){ 188103285Sikob printf("act.hand == NULL\n"); 189103285Sikob return EINVAL; 190103285Sikob } 191103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 192103285Sikob 193103285Sikob tcode = fp->mode.common.tcode & 0xf; 194103285Sikob info = &fc->tcode[tcode]; 195103285Sikob if (info->flag == 0) { 196103285Sikob printf("invalid tcode=%d\n", tcode); 197103285Sikob return EINVAL; 198103285Sikob } 199103285Sikob if (info->flag & FWTI_REQ) 200103285Sikob xferq = fc->atq; 201103285Sikob else 202103285Sikob xferq = fc->ats; 203103285Sikob len = info->hdr_len; 204103285Sikob if (info->flag & FWTI_BLOCK_STR) 205103285Sikob len += ntohs(fp->mode.stream.len); 206103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 207103285Sikob len += ntohs(fp->mode.rresb.len); 208103285Sikob if( len > xfer->send.len ){ 209103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 210103285Sikob len, xfer->send.len, tcode); 211103285Sikob return EINVAL; 212103285Sikob } 213103285Sikob xfer->send.len = len; 214106790Ssimokawa 215103285Sikob if(xferq->start == NULL){ 216103285Sikob printf("xferq->start == NULL\n"); 217103285Sikob return EINVAL; 218103285Sikob } 219103285Sikob if(!(xferq->queued < xferq->maxq)){ 220108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 221108655Ssimokawa xferq->queued); 222103285Sikob return EINVAL; 223103285Sikob } 224103285Sikob 225103285Sikob 226103285Sikob if (info->flag & FWTI_TLABEL) { 227103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 228103285Sikob return EIO; 229103285Sikob fp->mode.hdr.tlrt = tl << 2; 230103285Sikob } 231103285Sikob 232103285Sikob xfer->tl = tl; 233103285Sikob xfer->tcode = tcode; 234103285Sikob xfer->resp = 0; 235103285Sikob xfer->fc = fc; 236103285Sikob xfer->q = xferq; 237103285Sikob xfer->act_type = FWACT_XFER; 238103285Sikob xfer->retry_req = fw_asybusy; 239103285Sikob 240103285Sikob fw_asystart(xfer); 241103285Sikob return err; 242103285Sikob} 243103285Sikob/* 244103285Sikob * Wakeup blocked process. 245103285Sikob */ 246103285Sikobvoid 247103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 248103285Sikob wakeup(xfer); 249103285Sikob return; 250103285Sikob} 251103285Sikob/* 252103285Sikob * Postpone to later retry. 253103285Sikob */ 254103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 255106815Ssimokawa#if 1 256103285Sikob printf("fw_asybusy\n"); 257103285Sikob#endif 258103285Sikob#if XFER_TIMEOUT 259103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 260103285Sikob#endif 261103285Sikob/* 262103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 263103285Sikob*/ 264103285Sikob DELAY(20000); 265103285Sikob fw_asystart(xfer); 266103285Sikob return; 267103285Sikob} 268103285Sikob#if XFER_TIMEOUT 269103285Sikob/* 270103285Sikob * Post timeout for async. request. 271103285Sikob */ 272103285Sikobvoid 273103285Sikobfw_xfer_timeout(void *arg) 274103285Sikob{ 275103285Sikob int s; 276103285Sikob struct fw_xfer *xfer; 277103285Sikob 278103285Sikob xfer = (struct fw_xfer *)arg; 279103285Sikob printf("fw_xfer_timeout status=%d resp=%d\n", xfer->state, xfer->resp); 280103285Sikob /* XXX set error code */ 281103285Sikob s = splfw(); 282103285Sikob xfer->act.hand(xfer); 283103285Sikob splx(s); 284103285Sikob} 285103285Sikob#endif 286103285Sikob/* 287103285Sikob * Async. request with given xfer structure. 288103285Sikob */ 289106790Ssimokawastatic void 290106790Ssimokawafw_asystart(struct fw_xfer *xfer) 291106790Ssimokawa{ 292103285Sikob struct firewire_comm *fc = xfer->fc; 293103285Sikob int s; 294103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 295103285Sikob xfer->resp = EBUSY; 296103285Sikob xfer->state = FWXF_BUSY; 297103285Sikob xfer->act.hand(xfer); 298103285Sikob return; 299103285Sikob } 300103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 301103285Sikob if (fc->status < FWBUSEXPLORE) { 302103285Sikob xfer->resp = EAGAIN; 303103285Sikob xfer->state = FWXF_BUSY; 304103285Sikob if (xfer->act.hand != NULL) 305103285Sikob xfer->act.hand(xfer); 306103285Sikob return; 307103285Sikob } 308103285Sikob#endif 309103285Sikob s = splfw(); 310103285Sikob xfer->state = FWXF_INQ; 311103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 312103285Sikob xfer->q->queued ++; 313103285Sikob splx(s); 314103285Sikob /* XXX just queue for mbuf */ 315103285Sikob if (xfer->mbuf == NULL) 316103285Sikob xfer->q->start(fc); 317103285Sikob#if XFER_TIMEOUT 318103285Sikob if (xfer->act.hand != NULL) 319103285Sikob xfer->ch = timeout(fw_xfer_timeout, (void *)xfer, hz); 320103285Sikob#endif 321103285Sikob return; 322103285Sikob} 323106790Ssimokawa 324103285Sikobstatic int 325103285Sikobfirewire_match( device_t dev ) 326103285Sikob{ 327108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 328103285Sikob return -140; 329103285Sikob} 330106790Ssimokawa 331110577Ssimokawastatic void 332110577Ssimokawafirewire_xfer_timeout(struct firewire_comm *fc) 333110577Ssimokawa{ 334110577Ssimokawa struct fw_xfer *xfer; 335110577Ssimokawa struct tlabel *tl; 336110577Ssimokawa struct timeval tv; 337110577Ssimokawa struct timeval split_timeout; 338111040Ssimokawa int i, s; 339110577Ssimokawa 340110891Ssimokawa split_timeout.tv_sec = 6; 341110577Ssimokawa split_timeout.tv_usec = 0; 342110577Ssimokawa 343110577Ssimokawa microtime(&tv); 344110577Ssimokawa timevalsub(&tv, &split_timeout); 345110577Ssimokawa 346111040Ssimokawa s = splfw(); 347110577Ssimokawa for (i = 0; i < 0x40; i ++) { 348110577Ssimokawa while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 349110577Ssimokawa xfer = tl->xfer; 350110577Ssimokawa if (timevalcmp(&xfer->tv, &tv, >)) 351110577Ssimokawa /* the rests are newer than this */ 352110577Ssimokawa break; 353110577Ssimokawa device_printf(fc->bdev, 354110891Ssimokawa "split transaction timeout dst=0x%x tl=0x%x\n", 355110577Ssimokawa xfer->dst, i); 356110577Ssimokawa xfer->resp = ETIMEDOUT; 357110577Ssimokawa STAILQ_REMOVE_HEAD(&fc->tlabels[i], link); 358110577Ssimokawa switch (xfer->act_type) { 359110577Ssimokawa case FWACT_XFER: 360110577Ssimokawa fw_xfer_done(xfer); 361110577Ssimokawa break; 362110577Ssimokawa default: 363110577Ssimokawa /* ??? */ 364110577Ssimokawa fw_xfer_free(xfer); 365110577Ssimokawa break; 366110577Ssimokawa } 367110577Ssimokawa } 368110577Ssimokawa } 369111040Ssimokawa splx(s); 370110577Ssimokawa} 371110577Ssimokawa 372110577Ssimokawastatic void 373110577Ssimokawafirewire_watchdog(void *arg) 374110577Ssimokawa{ 375110577Ssimokawa struct firewire_comm *fc; 376110577Ssimokawa 377110577Ssimokawa fc = (struct firewire_comm *)arg; 378110577Ssimokawa firewire_xfer_timeout(fc); 379110577Ssimokawa fc->timeout(fc); 380110577Ssimokawa callout_reset(&fc->timeout_callout, hz, 381110577Ssimokawa (void *)firewire_watchdog, (void *)fc); 382110577Ssimokawa} 383110577Ssimokawa 384103285Sikob/* 385103285Sikob * The attach routine. 386103285Sikob */ 387103285Sikobstatic int 388103285Sikobfirewire_attach( device_t dev ) 389103285Sikob{ 390103285Sikob int i, unitmask, mn; 391103285Sikob struct firewire_softc *sc = device_get_softc(dev); 392103285Sikob device_t pa = device_get_parent(dev); 393103285Sikob struct firewire_comm *fc; 394103285Sikob dev_t d; 395103285Sikob 396103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 397103285Sikob sc->fc = fc; 398103285Sikob 399103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 400103285Sikob 401103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 402103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 403103285Sikob mn = unitmask | i; 404103285Sikob /* XXX device name should be improved */ 405103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 406108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 407103285Sikob "fw%x", mn); 408103285Sikob#if __FreeBSD_version >= 500000 409103285Sikob if (i == 0) 410103285Sikob sc->dev = d; 411103285Sikob else 412103285Sikob dev_depends(sc->dev, d); 413103285Sikob#else 414103285Sikob sc->dev[i] = d; 415103285Sikob#endif 416103285Sikob } 417103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 418108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 419103285Sikob "fwmem%d", device_get_unit(dev)); 420103285Sikob#if __FreeBSD_version >= 500000 421103285Sikob dev_depends(sc->dev, d); 422103285Sikob#else 423103285Sikob sc->dev[i] = d; 424103285Sikob#endif 425108853Ssimokawa#if __FreeBSD_version >= 500000 426110193Ssimokawa#define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */) 427108853Ssimokawa#else 428110193Ssimokawa#define CALLOUT_INIT(x) callout_init(x) 429108853Ssimokawa#endif 430110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 431110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 432110193Ssimokawa CALLOUT_INIT(&sc->fc->retry_probe_callout); 433110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 434108853Ssimokawa 435110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 436110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 437110193Ssimokawa 438103285Sikob /* Locate our children */ 439103285Sikob bus_generic_probe(dev); 440103285Sikob 441103285Sikob /* launch attachement of the added children */ 442103285Sikob bus_generic_attach(dev); 443103285Sikob 444110577Ssimokawa#if 1 445103285Sikob /* bus_reset */ 446103285Sikob fc->ibr(fc); 447110577Ssimokawa#endif 448103285Sikob 449103285Sikob return 0; 450103285Sikob} 451103285Sikob 452103285Sikob/* 453103285Sikob * Attach it as child. 454103285Sikob */ 455103285Sikobstatic device_t 456103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 457103285Sikob{ 458103285Sikob device_t child; 459103285Sikob struct firewire_softc *sc; 460103285Sikob 461103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 462103285Sikob child = device_add_child(dev, name, unit); 463103285Sikob if (child) { 464103285Sikob device_set_ivars(child, sc->fc); 465103285Sikob device_probe_and_attach(child); 466103285Sikob } 467103285Sikob 468103285Sikob return child; 469103285Sikob} 470106790Ssimokawa 471103285Sikob/* 472103285Sikob * Dettach it. 473103285Sikob */ 474103285Sikobstatic int 475103285Sikobfirewire_detach( device_t dev ) 476103285Sikob{ 477103285Sikob struct firewire_softc *sc; 478103285Sikob 479103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 480106790Ssimokawa 481103285Sikob#if __FreeBSD_version >= 500000 482103285Sikob destroy_dev(sc->dev); 483103285Sikob#else 484103285Sikob { 485103285Sikob int j; 486103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 487103285Sikob destroy_dev(sc->dev[j]); 488103285Sikob } 489103285Sikob#endif 490103285Sikob /* XXX xfree_free and untimeout on all xfers */ 491110193Ssimokawa callout_stop(&sc->fc->timeout_callout); 492110193Ssimokawa callout_stop(&sc->fc->bmr_callout); 493110193Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 494110193Ssimokawa callout_stop(&sc->fc->busprobe_callout); 495110195Ssimokawa free(sc->fc->topology_map, M_FW); 496110195Ssimokawa free(sc->fc->speed_map, M_FW); 497103285Sikob bus_generic_detach(dev); 498103285Sikob return(0); 499103285Sikob} 500103285Sikob#if 0 501103285Sikobstatic int 502103285Sikobfirewire_shutdown( device_t dev ) 503103285Sikob{ 504103285Sikob return 0; 505103285Sikob} 506103285Sikob#endif 507106790Ssimokawa 508110577Ssimokawa 509110577Ssimokawastatic void 510110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 511110577Ssimokawa{ 512110577Ssimokawa struct fw_xfer *xfer; 513110577Ssimokawa 514110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 515110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 516110577Ssimokawa xfer->resp = EAGAIN; 517110577Ssimokawa switch (xfer->act_type) { 518110577Ssimokawa case FWACT_XFER: 519110577Ssimokawa fw_xfer_done(xfer); 520110577Ssimokawa break; 521110577Ssimokawa default: 522110577Ssimokawa /* ??? */ 523110577Ssimokawa fw_xfer_free(xfer); 524110577Ssimokawa break; 525110577Ssimokawa } 526110577Ssimokawa } 527110577Ssimokawa} 528110577Ssimokawa 529110798Ssimokawavoid 530110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 531110798Ssimokawa{ 532110798Ssimokawa int i; 533110798Ssimokawa 534110798Ssimokawa fw_xferq_drain(fc->atq); 535110798Ssimokawa fw_xferq_drain(fc->ats); 536110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 537110798Ssimokawa fw_xferq_drain(fc->it[i]); 538110798Ssimokawa} 539110798Ssimokawa 540103285Sikob/* 541106790Ssimokawa * Called after bus reset. 542103285Sikob */ 543106790Ssimokawavoid 544106790Ssimokawafw_busreset(struct firewire_comm *fc) 545103285Sikob{ 546103285Sikob int i; 547103285Sikob 548103285Sikob switch(fc->status){ 549103285Sikob case FWBUSMGRELECT: 550110193Ssimokawa callout_stop(&fc->bmr_callout); 551103285Sikob break; 552103285Sikob default: 553103285Sikob break; 554103285Sikob } 555103285Sikob fc->status = FWBUSRESET; 556103285Sikob CSRARC(fc, STATE_CLEAR) 557103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 558103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 559103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 560103285Sikob 561103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 562103285Sikob fc->irm = -1; 563103285Sikob 564103285Sikob fc->max_node = -1; 565103285Sikob 566103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 567103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 568103285Sikob } 569103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 570103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 571103285Sikob CSRARC(fc, RESET_START) = 0; 572103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 573103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 574103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 575103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 576103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 577103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 578103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 579103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 580103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 581103285Sikob 582103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 583103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 584103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 585103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 586103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 587103285Sikob 588103285Sikob/* DV depend CSRs see blue book */ 589103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 590103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 591103285Sikob 592103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 593103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 594103285Sikob} 595106790Ssimokawa 596103285Sikob/* Call once after reboot */ 597106790Ssimokawavoid fw_init(struct firewire_comm *fc) 598103285Sikob{ 599103285Sikob int i; 600106543Ssimokawa struct csrdir *csrd; 601106543Ssimokawa#ifdef FW_VMACCESS 602103285Sikob struct fw_xfer *xfer; 603103285Sikob struct fw_bind *fwb; 604106543Ssimokawa#endif 605103285Sikob 606103285Sikob fc->max_asyretry = FW_MAXASYRTY; 607103285Sikob 608103285Sikob fc->arq->queued = 0; 609103285Sikob fc->ars->queued = 0; 610103285Sikob fc->atq->queued = 0; 611103285Sikob fc->ats->queued = 0; 612103285Sikob 613109379Ssimokawa fc->arq->psize = PAGE_SIZE; 614109379Ssimokawa fc->ars->psize = PAGE_SIZE; 615109379Ssimokawa fc->atq->psize = 0; 616109379Ssimokawa fc->ats->psize = 0; 617103285Sikob 618103285Sikob 619103285Sikob fc->arq->buf = NULL; 620103285Sikob fc->ars->buf = NULL; 621103285Sikob fc->atq->buf = NULL; 622103285Sikob fc->ats->buf = NULL; 623103285Sikob 624103285Sikob fc->arq->flag = FWXFERQ_PACKET; 625103285Sikob fc->ars->flag = FWXFERQ_PACKET; 626103285Sikob fc->atq->flag = FWXFERQ_PACKET; 627103285Sikob fc->ats->flag = FWXFERQ_PACKET; 628103285Sikob 629103285Sikob STAILQ_INIT(&fc->atq->q); 630103285Sikob STAILQ_INIT(&fc->ats->q); 631103285Sikob 632103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 633103285Sikob fc->it[i]->queued = 0; 634103285Sikob fc->ir[i]->queued = 0; 635103285Sikob 636103285Sikob fc->it[i]->start = NULL; 637103285Sikob fc->ir[i]->start = NULL; 638103285Sikob 639103285Sikob fc->it[i]->buf = NULL; 640103285Sikob fc->ir[i]->buf = NULL; 641103285Sikob 642103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 643103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 644103285Sikob 645103285Sikob STAILQ_INIT(&fc->it[i]->q); 646103285Sikob STAILQ_INIT(&fc->ir[i]->q); 647103285Sikob 648103285Sikob STAILQ_INIT(&fc->it[i]->binds); 649103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 650103285Sikob } 651103285Sikob 652103285Sikob fc->arq->maxq = FWMAXQUEUE; 653103285Sikob fc->ars->maxq = FWMAXQUEUE; 654103285Sikob fc->atq->maxq = FWMAXQUEUE; 655103285Sikob fc->ats->maxq = FWMAXQUEUE; 656103285Sikob 657103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 658103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 659103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 660103285Sikob } 661103285Sikob/* Initialize csr registers */ 662103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 663103285Sikob sizeof(struct fw_topology_map), 664110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 665103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 666103285Sikob sizeof(struct fw_speed_map), 667110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 668103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 669103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 670103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 671103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 672103285Sikob 673110193Ssimokawa STAILQ_INIT(&fc->devices); 674103285Sikob STAILQ_INIT(&fc->pending); 675103285Sikob 676103285Sikob/* Initialize csr ROM work space */ 677103285Sikob SLIST_INIT(&fc->ongocsr); 678103285Sikob SLIST_INIT(&fc->csrfree); 679103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 680110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 681103285Sikob if(csrd == NULL) break; 682103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 683103285Sikob } 684103285Sikob 685103285Sikob/* Initialize Async handlers */ 686103285Sikob STAILQ_INIT(&fc->binds); 687103285Sikob for( i = 0 ; i < 0x40 ; i++){ 688103285Sikob STAILQ_INIT(&fc->tlabels[i]); 689103285Sikob } 690103285Sikob 691103285Sikob/* DV depend CSRs see blue book */ 692103285Sikob#if 0 693103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 694103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 695103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 696103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 697103285Sikob } 698103285Sikob 699103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 700103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 701103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 702103285Sikob CSRARC(fc, i + iPCR) = 0x0; 703103285Sikob } 704103285Sikob#endif 705103285Sikob 706103285Sikob 707106543Ssimokawa#ifdef FW_VMACCESS 708103285Sikob xfer = fw_xfer_alloc(); 709103285Sikob if(xfer == NULL) return; 710103285Sikob 711110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 712103285Sikob if(fwb == NULL){ 713103285Sikob fw_xfer_free(xfer); 714103285Sikob } 715103285Sikob xfer->act.hand = fw_vmaccess; 716103285Sikob xfer->act_type = FWACT_XFER; 717103285Sikob xfer->fc = fc; 718103285Sikob xfer->sc = NULL; 719103285Sikob 720103285Sikob fwb->start_hi = 0x2; 721103285Sikob fwb->start_lo = 0; 722103285Sikob fwb->addrlen = 0xffffffff; 723103285Sikob fwb->xfer = xfer; 724103285Sikob fw_bindadd(fc, fwb); 725106543Ssimokawa#endif 726103285Sikob} 727106790Ssimokawa 728103285Sikob/* 729103285Sikob * To lookup binded process from IEEE1394 address. 730103285Sikob */ 731106813Ssimokawastruct fw_bind * 732106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 733103285Sikob{ 734103285Sikob struct fw_bind *tfw; 735103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 736103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 737103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 738103285Sikob tfw->start_hi == dest_hi && 739103285Sikob tfw->start_lo <= dest_lo && 740103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 741103285Sikob return(tfw); 742103285Sikob } 743103285Sikob } 744103285Sikob return(NULL); 745103285Sikob} 746106790Ssimokawa 747103285Sikob/* 748103285Sikob * To bind IEEE1394 address block to process. 749103285Sikob */ 750106790Ssimokawaint 751106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 752103285Sikob{ 753103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 754103285Sikob int err = 0; 755103285Sikob tfw = STAILQ_FIRST(&fc->binds); 756103285Sikob if(tfw == NULL){ 757103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 758103285Sikob goto out; 759103285Sikob } 760103285Sikob if((tfw->start_hi > fwb->start_hi) || 761103285Sikob (tfw->start_hi == fwb->start_hi && 762103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 763103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 764103285Sikob goto out; 765103285Sikob } 766103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 767103285Sikob if((tfw->start_hi < fwb->start_hi) || 768103285Sikob (tfw->start_hi == fwb->start_hi && 769103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 770103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 771103285Sikob if(tfw2 == NULL) 772103285Sikob break; 773103285Sikob if((tfw2->start_hi > fwb->start_hi) || 774103285Sikob (tfw2->start_hi == fwb->start_hi && 775103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 776103285Sikob break; 777103285Sikob }else{ 778103285Sikob err = EBUSY; 779103285Sikob goto out; 780103285Sikob } 781103285Sikob } 782103285Sikob } 783103285Sikob if(tfw != NULL){ 784103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 785103285Sikob }else{ 786103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 787103285Sikob } 788103285Sikobout: 789103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 790103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 791103285Sikob } 792103285Sikob return err; 793103285Sikob} 794103285Sikob 795103285Sikob/* 796103285Sikob * To free IEEE1394 address block. 797103285Sikob */ 798106790Ssimokawaint 799106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 800103285Sikob{ 801103285Sikob int s; 802103285Sikob 803103285Sikob s = splfw(); 804103285Sikob /* shall we check the existance? */ 805103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 806103285Sikob splx(s); 807103285Sikob if (fwb->xfer) 808103285Sikob fw_xfer_free(fwb->xfer); 809103285Sikob 810103285Sikob return 0; 811103285Sikob} 812103285Sikob 813103285Sikob/* 814103285Sikob * To free transaction label. 815103285Sikob */ 816106790Ssimokawastatic void 817106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 818103285Sikob{ 819103285Sikob struct tlabel *tl; 820103285Sikob int s = splfw(); 821103285Sikob 822103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 823103285Sikob tl = STAILQ_NEXT(tl, link)){ 824103285Sikob if(tl->xfer == xfer){ 825103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 826110195Ssimokawa free(tl, M_FW); 827103285Sikob splx(s); 828103285Sikob return; 829103285Sikob } 830103285Sikob } 831103285Sikob splx(s); 832103285Sikob return; 833103285Sikob} 834106790Ssimokawa 835103285Sikob/* 836103285Sikob * To obtain XFER structure by transaction label. 837103285Sikob */ 838106790Ssimokawastatic struct fw_xfer * 839106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 840103285Sikob{ 841103285Sikob struct fw_xfer *xfer; 842103285Sikob struct tlabel *tl; 843103285Sikob int s = splfw(); 844103285Sikob 845103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 846103285Sikob tl = STAILQ_NEXT(tl, link)){ 847103285Sikob if(tl->xfer->dst == node){ 848103285Sikob xfer = tl->xfer; 849103285Sikob splx(s); 850110577Ssimokawa if (firewire_debug > 2) 851110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 852103285Sikob return(xfer); 853103285Sikob } 854103285Sikob } 855110577Ssimokawa if (firewire_debug > 1) 856110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 857103285Sikob splx(s); 858103285Sikob return(NULL); 859103285Sikob} 860106790Ssimokawa 861103285Sikob/* 862103285Sikob * To allocate IEEE1394 XFER structure. 863103285Sikob */ 864106790Ssimokawastruct fw_xfer * 865110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 866103285Sikob{ 867103285Sikob struct fw_xfer *xfer; 868106790Ssimokawa 869110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 870106790Ssimokawa if (xfer == NULL) 871106790Ssimokawa return xfer; 872106790Ssimokawa 873110577Ssimokawa microtime(&xfer->tv); 874103285Sikob xfer->sub = -1; 875110269Ssimokawa xfer->malloc = type; 876106790Ssimokawa 877103285Sikob return xfer; 878103285Sikob} 879106790Ssimokawa 880103285Sikob/* 881103285Sikob * IEEE1394 XFER post process. 882103285Sikob */ 883103285Sikobvoid 884103285Sikobfw_xfer_done(struct fw_xfer *xfer) 885103285Sikob{ 886103285Sikob if (xfer->act.hand == NULL) 887103285Sikob return; 888103285Sikob 889103285Sikob#if XFER_TIMEOUT 890103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 891103285Sikob#endif 892103285Sikob 893103285Sikob if (xfer->fc->status != FWBUSRESET) 894103285Sikob xfer->act.hand(xfer); 895103285Sikob else { 896103285Sikob printf("fw_xfer_done: pending\n"); 897103285Sikob if (xfer->fc != NULL) 898103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 899103285Sikob else 900103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 901103285Sikob } 902103285Sikob} 903103285Sikob 904103285Sikob/* 905103285Sikob * To free IEEE1394 XFER structure. 906103285Sikob */ 907106790Ssimokawavoid 908106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 909103285Sikob{ 910103285Sikob int s; 911103285Sikob if(xfer == NULL ) return; 912103285Sikob if(xfer->state == FWXF_INQ){ 913103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 914103285Sikob s = splfw(); 915103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 916103285Sikob xfer->q->queued --; 917103285Sikob splx(s); 918103285Sikob } 919103285Sikob if(xfer->fc != NULL){ 920103285Sikob if(xfer->state == FWXF_START){ 921103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 922103285Sikob printf("fw_xfer_free FWXF_START\n"); 923103285Sikob#endif 924103285Sikob s = splfw(); 925103285Sikob xfer->q->drain(xfer->fc, xfer); 926103285Sikob splx(s); 927103285Sikob } 928103285Sikob } 929103285Sikob if(xfer->send.buf != NULL){ 930110195Ssimokawa free(xfer->send.buf, M_FW); 931103285Sikob } 932103285Sikob if(xfer->recv.buf != NULL){ 933110195Ssimokawa free(xfer->recv.buf, M_FW); 934103285Sikob } 935103285Sikob if(xfer->fc != NULL){ 936103285Sikob fw_tl_free(xfer->fc, xfer); 937103285Sikob } 938110269Ssimokawa free(xfer, xfer->malloc); 939103285Sikob} 940103285Sikob 941103285Sikobstatic void 942110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 943103285Sikob{ 944103285Sikob#if 0 945110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 946103285Sikob xfer->state, xfer->resp); 947103285Sikob#endif 948103285Sikob fw_xfer_free(xfer); 949103285Sikob} 950103285Sikob 951103285Sikob/* 952103285Sikob * To configure PHY. 953103285Sikob */ 954103285Sikobstatic void 955103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 956103285Sikob{ 957103285Sikob struct fw_xfer *xfer; 958103285Sikob struct fw_pkt *fp; 959103285Sikob 960103285Sikob fc->status = FWBUSPHYCONF; 961103285Sikob 962109280Ssimokawa#if 0 963103285Sikob DELAY(100000); 964109280Ssimokawa#endif 965110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 966103285Sikob xfer->send.len = 12; 967103285Sikob xfer->send.off = 0; 968103285Sikob xfer->fc = fc; 969103285Sikob xfer->retry_req = fw_asybusy; 970110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 971103285Sikob 972103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 973110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 974103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 975103285Sikob fp->mode.ld[1] = 0; 976103285Sikob if (root_node >= 0) 977103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 978103285Sikob if (gap_count >= 0) 979103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 980103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 981103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 982103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 983103285Sikob 984107653Ssimokawa if (firewire_debug) 985107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 986103285Sikob root_node, gap_count); 987103285Sikob fw_asyreq(fc, -1, xfer); 988103285Sikob} 989103285Sikob 990103285Sikob#if 0 991103285Sikob/* 992103285Sikob * Dump self ID. 993103285Sikob */ 994103285Sikobstatic void 995103285Sikobfw_print_sid(u_int32_t sid) 996103285Sikob{ 997103285Sikob union fw_self_id *s; 998103285Sikob s = (union fw_self_id *) &sid; 999103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1000103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1001103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1002103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1003103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1004103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1005103285Sikob} 1006103285Sikob#endif 1007103285Sikob 1008103285Sikob/* 1009103285Sikob * To receive self ID. 1010103285Sikob */ 1011103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 1012103285Sikob{ 1013103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 1014103285Sikob union fw_self_id *self_id; 1015103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1016103285Sikob 1017103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1018103285Sikob fc->status = FWBUSINIT; 1019103285Sikob fc->max_node = fc->nodeid & 0x3f; 1020103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1021103285Sikob fc->status = FWBUSCYMELECT; 1022103285Sikob fc->topology_map->crc_len = 2; 1023103285Sikob fc->topology_map->generation ++; 1024103285Sikob fc->topology_map->self_id_count = 0; 1025103285Sikob fc->topology_map->node_count = 0; 1026103285Sikob fc->speed_map->generation ++; 1027103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1028103285Sikob self_id = &fc->topology_map->self_id[0]; 1029103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1030103285Sikob if (sid[1] != ~sid[0]) { 1031103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1032103285Sikob sid += 2; 1033103285Sikob continue; 1034103285Sikob } 1035103285Sikob *self_id = *((union fw_self_id *)sid); 1036103285Sikob fc->topology_map->crc_len++; 1037103285Sikob if(self_id->p0.sequel == 0){ 1038103285Sikob fc->topology_map->node_count ++; 1039103285Sikob c_port = 0; 1040103285Sikob#if 0 1041103285Sikob fw_print_sid(sid[0]); 1042103285Sikob#endif 1043103285Sikob node = self_id->p0.phy_id; 1044103285Sikob if(fc->max_node < node){ 1045103285Sikob fc->max_node = self_id->p0.phy_id; 1046103285Sikob } 1047103285Sikob /* XXX I'm not sure this is the right speed_map */ 1048103285Sikob fc->speed_map->speed[node][node] 1049103285Sikob = self_id->p0.phy_speed; 1050103285Sikob for (j = 0; j < node; j ++) { 1051103285Sikob fc->speed_map->speed[j][node] 1052103285Sikob = fc->speed_map->speed[node][j] 1053103285Sikob = min(fc->speed_map->speed[j][j], 1054103285Sikob self_id->p0.phy_speed); 1055103285Sikob } 1056103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1057103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1058103285Sikob fc->irm = self_id->p0.phy_id; 1059103285Sikob } 1060103285Sikob if(self_id->p0.port0 >= 0x2){ 1061103285Sikob c_port++; 1062103285Sikob } 1063103285Sikob if(self_id->p0.port1 >= 0x2){ 1064103285Sikob c_port++; 1065103285Sikob } 1066103285Sikob if(self_id->p0.port2 >= 0x2){ 1067103285Sikob c_port++; 1068103285Sikob } 1069103285Sikob } 1070103285Sikob if(c_port > 2){ 1071103285Sikob i_branch += (c_port - 2); 1072103285Sikob } 1073103285Sikob sid += 2; 1074103285Sikob self_id++; 1075103285Sikob fc->topology_map->self_id_count ++; 1076103285Sikob } 1077108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1078103285Sikob /* CRC */ 1079103285Sikob fc->topology_map->crc = fw_crc16( 1080103285Sikob (u_int32_t *)&fc->topology_map->generation, 1081103285Sikob fc->topology_map->crc_len * 4); 1082103285Sikob fc->speed_map->crc = fw_crc16( 1083103285Sikob (u_int32_t *)&fc->speed_map->generation, 1084103285Sikob fc->speed_map->crc_len * 4); 1085103285Sikob /* byteswap and copy to CSR */ 1086103285Sikob p = (u_int32_t *)fc->topology_map; 1087103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1088103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1089103285Sikob p = (u_int32_t *)fc->speed_map; 1090103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1091103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1092103285Sikob /* don't byte-swap u_int8_t array */ 1093103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1094103285Sikob 1095103285Sikob fc->max_hop = fc->max_node - i_branch; 1096103285Sikob#if 1 1097103285Sikob printf(", maxhop <= %d", fc->max_hop); 1098103285Sikob#endif 1099103285Sikob 1100103285Sikob if(fc->irm == -1 ){ 1101103285Sikob printf(", Not found IRM capable node"); 1102103285Sikob }else{ 1103103285Sikob printf(", cable IRM = %d", fc->irm); 1104103285Sikob if (fc->irm == fc->nodeid) 1105110016Ssimokawa printf(" (me)"); 1106103285Sikob } 1107110016Ssimokawa printf("\n"); 1108103285Sikob 1109109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1110109736Ssimokawa if (fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)) { 1111103285Sikob fc->status = FWBUSMGRDONE; 1112103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1113109736Ssimokawa } else { 1114103285Sikob fc->status = FWBUSMGRELECT; 1115110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1116110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1117103285Sikob } 1118109736Ssimokawa } else { 1119103285Sikob fc->status = FWBUSMGRDONE; 1120109736Ssimokawa#if 0 1121108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1122108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1123109736Ssimokawa#endif 1124103285Sikob } 1125110195Ssimokawa free(buf, M_FW); 1126103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1127110072Ssimokawa /* I am BMGR */ 1128110072Ssimokawa fw_bmr(fc); 1129103285Sikob } 1130108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1131108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1132103285Sikob} 1133106790Ssimokawa 1134103285Sikob/* 1135103285Sikob * To probe devices on the IEEE1394 bus. 1136103285Sikob */ 1137106790Ssimokawastatic void 1138106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1139103285Sikob{ 1140103285Sikob int s; 1141103285Sikob struct fw_device *fwdev, *next; 1142103285Sikob 1143103285Sikob s = splfw(); 1144103285Sikob fc->status = FWBUSEXPLORE; 1145103285Sikob fc->retry_count = 0; 1146103285Sikob 1147103285Sikob/* 1148103285Sikob * Invalidate all devices, just after bus reset. Devices 1149103285Sikob * to be removed has not been seen longer time. 1150103285Sikob */ 1151110193Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1152110193Ssimokawa next = STAILQ_NEXT(fwdev, link); 1153110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1154103285Sikob fwdev->status = FWDEVINVAL; 1155103285Sikob fwdev->rcnt = 0; 1156110193Ssimokawa } else if(fwdev->rcnt < FW_MAXDEVRCNT) { 1157103285Sikob fwdev->rcnt ++; 1158110193Ssimokawa } else { 1159110193Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, link); 1160110195Ssimokawa free(fwdev, M_FW); 1161103285Sikob } 1162103285Sikob } 1163103285Sikob fc->ongonode = 0; 1164103285Sikob fc->ongoaddr = CSRROMOFF; 1165103285Sikob fc->ongodev = NULL; 1166103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1167103285Sikob fw_bus_explore(fc); 1168103285Sikob splx(s); 1169103285Sikob} 1170106790Ssimokawa 1171103285Sikob/* 1172103285Sikob * To collect device informations on the IEEE1394 bus. 1173103285Sikob */ 1174106790Ssimokawastatic void 1175106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1176103285Sikob{ 1177103285Sikob int err = 0; 1178110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1179103285Sikob u_int32_t addr; 1180103285Sikob struct fw_xfer *xfer; 1181103285Sikob struct fw_pkt *fp; 1182103285Sikob 1183103285Sikob if(fc->status != FWBUSEXPLORE) 1184103285Sikob return; 1185103285Sikob 1186103285Sikobloop: 1187103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1188103285Sikob 1189103285Sikob if(fc->ongonode > fc->max_node) goto done; 1190103285Sikob if(fc->ongonode >= 0x3f) goto done; 1191103285Sikob 1192103285Sikob /* check link */ 1193103285Sikob /* XXX we need to check phy_id first */ 1194103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1195110577Ssimokawa if (firewire_debug) 1196110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1197103285Sikob fc->ongonode++; 1198103285Sikob goto loop; 1199103285Sikob } 1200103285Sikob 1201103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1202103285Sikob fc->ongoeui.hi == 0xffffffff && 1203103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1204103285Sikob fc->ongoaddr = CSRROMOFF; 1205103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1206103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1207103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1208103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1209103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1210103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1211103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1212103285Sikob }else if(fc->ongodev == NULL){ 1213110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1214110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1215103285Sikob break; 1216103285Sikob if(fwdev != NULL){ 1217103285Sikob fwdev->dst = fc->ongonode; 1218103285Sikob fwdev->status = FWDEVATTACHED; 1219103285Sikob fc->ongonode++; 1220103285Sikob fc->ongoaddr = CSRROMOFF; 1221103285Sikob fc->ongodev = NULL; 1222103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1223103285Sikob goto loop; 1224103285Sikob } 1225110195Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, M_NOWAIT); 1226103285Sikob if(fwdev == NULL) 1227103285Sikob return; 1228106810Ssimokawa fwdev->fc = fc; 1229103285Sikob fwdev->rommax = 0; 1230103285Sikob fwdev->dst = fc->ongonode; 1231103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1232103285Sikob fwdev->status = FWDEVINIT; 1233103285Sikob#if 0 1234103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1235103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1236103285Sikob#else 1237103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1238103285Sikob#endif 1239103285Sikob 1240110179Ssimokawa pfwdev = NULL; 1241110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1242110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1243110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1244110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1245110179Ssimokawa break; 1246110179Ssimokawa pfwdev = tfwdev; 1247103285Sikob } 1248110179Ssimokawa if (pfwdev == NULL) 1249110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1250110179Ssimokawa else 1251110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1252103285Sikob 1253108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1254107653Ssimokawa linkspeed[fwdev->speed], 1255107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1256103285Sikob 1257103285Sikob fc->ongodev = fwdev; 1258103285Sikob fc->ongoaddr = CSRROMOFF; 1259103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1260103285Sikob }else{ 1261103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1262103285Sikob } 1263103285Sikob#if 0 1264103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1265103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1266103285Sikob fw_bus_explore_callback); 1267103285Sikob if(xfer == NULL) goto done; 1268103285Sikob#else 1269110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1270103285Sikob if(xfer == NULL){ 1271103285Sikob goto done; 1272103285Sikob } 1273103285Sikob xfer->send.len = 16; 1274103285Sikob xfer->spd = 0; 1275110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1276103285Sikob if(xfer->send.buf == NULL){ 1277103285Sikob fw_xfer_free( xfer); 1278103285Sikob return; 1279103285Sikob } 1280103285Sikob 1281103285Sikob xfer->send.off = 0; 1282103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1283103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1284103285Sikob fp->mode.rreqq.tlrt = 0; 1285103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1286103285Sikob fp->mode.rreqq.pri = 0; 1287103285Sikob fp->mode.rreqq.src = 0; 1288103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1289103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1290103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1291103285Sikob xfer->act.hand = fw_bus_explore_callback; 1292103285Sikob 1293110577Ssimokawa if (firewire_debug) 1294110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1295110577Ssimokawa fc->ongonode, fc->ongoaddr); 1296103285Sikob err = fw_asyreq(fc, -1, xfer); 1297103285Sikob if(err){ 1298103285Sikob fw_xfer_free( xfer); 1299103285Sikob return; 1300103285Sikob } 1301103285Sikob#endif 1302103285Sikob return; 1303103285Sikobdone: 1304103285Sikob /* fw_attach_devs */ 1305103285Sikob fc->status = FWBUSEXPDONE; 1306107653Ssimokawa if (firewire_debug) 1307107653Ssimokawa printf("bus_explore done\n"); 1308103285Sikob fw_attach_dev(fc); 1309103285Sikob return; 1310103285Sikob 1311103285Sikob} 1312106790Ssimokawa 1313103285Sikob/* Portable Async. request read quad */ 1314106790Ssimokawastruct fw_xfer * 1315106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1316105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1317105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1318103285Sikob{ 1319103285Sikob struct fw_xfer *xfer; 1320103285Sikob struct fw_pkt *fp; 1321103285Sikob int err; 1322103285Sikob 1323110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1324103285Sikob if(xfer == NULL){ 1325103285Sikob return NULL; 1326103285Sikob } 1327103285Sikob xfer->send.len = 16; 1328103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1329110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1330103285Sikob if(xfer->send.buf == NULL){ 1331103285Sikob fw_xfer_free( xfer); 1332103285Sikob return NULL; 1333103285Sikob } 1334103285Sikob 1335103285Sikob xfer->send.off = 0; 1336103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1337103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1338103285Sikob if(tl & FWP_TL_VALID){ 1339103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1340103285Sikob }else{ 1341103285Sikob fp->mode.rreqq.tlrt = 0; 1342103285Sikob } 1343103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1344103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1345103285Sikob fp->mode.rreqq.pri = 0; 1346103285Sikob fp->mode.rreqq.src = 0; 1347103285Sikob xfer->dst = addr_hi >> 16; 1348103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1349103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1350103285Sikob xfer->act.hand = hand; 1351103285Sikob 1352103285Sikob err = fw_asyreq(fc, -1, xfer); 1353103285Sikob if(err){ 1354103285Sikob fw_xfer_free( xfer); 1355103285Sikob return NULL; 1356103285Sikob } 1357103285Sikob return xfer; 1358103285Sikob} 1359106790Ssimokawa 1360103285Sikob/* 1361103285Sikob * Callback for the IEEE1394 bus information collection. 1362103285Sikob */ 1363106790Ssimokawastatic void 1364106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1365106790Ssimokawa{ 1366103285Sikob struct firewire_comm *fc; 1367103285Sikob struct fw_pkt *sfp,*rfp; 1368103285Sikob struct csrhdr *chdr; 1369103285Sikob struct csrdir *csrd; 1370103285Sikob struct csrreg *csrreg; 1371103285Sikob u_int32_t offset; 1372103285Sikob 1373103285Sikob 1374110577Ssimokawa if(xfer == NULL) { 1375110577Ssimokawa printf("xfer == NULL\n"); 1376110577Ssimokawa return; 1377110577Ssimokawa } 1378103285Sikob fc = xfer->fc; 1379110577Ssimokawa 1380110577Ssimokawa if (firewire_debug) 1381110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1382110577Ssimokawa fc->ongonode, fc->ongoaddr); 1383110577Ssimokawa 1384103285Sikob if(xfer->resp != 0){ 1385110577Ssimokawa printf("node%d: resp=%d addr=0x%x\n", 1386110577Ssimokawa fc->ongonode, xfer->resp, fc->ongoaddr); 1387103285Sikob fc->retry_count++; 1388103285Sikob goto nextnode; 1389103285Sikob } 1390103285Sikob 1391103285Sikob if(xfer->send.buf == NULL){ 1392110577Ssimokawa printf("node%d: send.buf=NULL addr=0x%x\n", 1393103285Sikob fc->ongonode, fc->ongoaddr); 1394103285Sikob fc->retry_count++; 1395103285Sikob goto nextnode; 1396103285Sikob } 1397103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1398103285Sikob 1399103285Sikob if(xfer->recv.buf == NULL){ 1400110577Ssimokawa printf("node%d: recv.buf=NULL addr=0x%x\n", 1401103285Sikob fc->ongonode, fc->ongoaddr); 1402103285Sikob fc->retry_count++; 1403103285Sikob goto nextnode; 1404103285Sikob } 1405103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1406103285Sikob#if 0 1407103285Sikob { 1408103285Sikob u_int32_t *qld; 1409103285Sikob int i; 1410103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1411103285Sikob printf("len:%d\n", xfer->recv.len); 1412103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1413103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1414103285Sikob if((i % 16) == 15) printf("\n"); 1415103285Sikob } 1416103285Sikob if((i % 16) != 15) printf("\n"); 1417103285Sikob } 1418103285Sikob#endif 1419103285Sikob if(fc->ongodev == NULL){ 1420103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1421103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1422103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1423110577Ssimokawa/* If CSR is minimal confinguration, more investgation is not needed. */ 1424103285Sikob if(chdr->info_len == 1){ 1425110577Ssimokawa if (firewire_debug) 1426110577Ssimokawa printf("node%d: minimal config\n", 1427110577Ssimokawa fc->ongonode); 1428103285Sikob goto nextnode; 1429103285Sikob }else{ 1430103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1431103285Sikob } 1432103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1433103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1434103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1435103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1436103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1437110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1438110577Ssimokawa if (firewire_debug) 1439110577Ssimokawa printf("node%d: eui64 is zero.\n", 1440110577Ssimokawa fc->ongonode); 1441103285Sikob goto nextnode; 1442110577Ssimokawa } 1443103285Sikob fc->ongoaddr = CSRROMOFF; 1444103285Sikob } 1445103285Sikob }else{ 1446103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1447103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1448103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1449103285Sikob } 1450103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1451103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1452103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1453103285Sikob offset = CSRROMOFF; 1454103285Sikob }else{ 1455103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1456103285Sikob offset = csrd->off; 1457103285Sikob } 1458103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1459103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1460103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1461103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1462103285Sikob if(csrd == NULL){ 1463103285Sikob goto nextnode; 1464103285Sikob }else{ 1465103285Sikob csrd->ongoaddr = fc->ongoaddr; 1466103285Sikob fc->ongoaddr += csrreg->val * 4; 1467103285Sikob csrd->off = fc->ongoaddr; 1468103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1469103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1470103285Sikob goto nextaddr; 1471103285Sikob } 1472103285Sikob } 1473103285Sikob } 1474103285Sikob fc->ongoaddr += 4; 1475103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1476103285Sikob (fc->ongodev->rommax < 0x414)){ 1477103285Sikob if(fc->ongodev->rommax <= 0x414){ 1478103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1479103285Sikob if(csrd == NULL) goto nextnode; 1480103285Sikob csrd->off = fc->ongoaddr; 1481103285Sikob csrd->ongoaddr = fc->ongoaddr; 1482103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1483103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1484103285Sikob } 1485103285Sikob goto nextaddr; 1486103285Sikob } 1487103285Sikob 1488103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1489103285Sikob if(csrd == NULL){ 1490103285Sikob goto nextnode; 1491103285Sikob }; 1492103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1493103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1494103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1495103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1496103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1497103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1498103285Sikob offset = CSRROMOFF; 1499103285Sikob }else{ 1500103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1501103285Sikob offset = csrd->off; 1502103285Sikob } 1503103285Sikob } 1504103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1505103285Sikob goto nextnode; 1506103285Sikob } 1507103285Sikob } 1508103285Sikobnextaddr: 1509103285Sikob fw_xfer_free( xfer); 1510103285Sikob fw_bus_explore(fc); 1511103285Sikob return; 1512103285Sikobnextnode: 1513103285Sikob fw_xfer_free( xfer); 1514103285Sikob fc->ongonode++; 1515103285Sikob/* housekeeping work space */ 1516103285Sikob fc->ongoaddr = CSRROMOFF; 1517103285Sikob fc->ongodev = NULL; 1518103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1519103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1520103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1521103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1522103285Sikob } 1523103285Sikob fw_bus_explore(fc); 1524103285Sikob return; 1525103285Sikob} 1526103285Sikob 1527103285Sikob/* 1528103285Sikob * To obtain CSR register values. 1529103285Sikob */ 1530106815Ssimokawau_int32_t 1531106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1532103285Sikob{ 1533103285Sikob int i; 1534103285Sikob struct csrhdr *chdr; 1535103285Sikob struct csrreg *creg; 1536103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1537103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1538103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1539103285Sikob if(creg->key == key){ 1540103285Sikob return (u_int32_t)creg->val; 1541103285Sikob } 1542103285Sikob } 1543103285Sikob return 0; 1544103285Sikob} 1545106815Ssimokawa 1546103285Sikob/* 1547103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1548103285Sikob */ 1549106815Ssimokawastatic void 1550106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1551103285Sikob{ 1552103285Sikob struct fw_device *fwdev; 1553103285Sikob struct fw_xfer *xfer; 1554103285Sikob int i, err; 1555103285Sikob device_t *devlistp; 1556103285Sikob int devcnt; 1557103285Sikob struct firewire_dev_comm *fdc; 1558108701Ssimokawa u_int32_t spec, ver; 1559103285Sikob 1560110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) { 1561103285Sikob if(fwdev->status == FWDEVINIT){ 1562108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1563108701Ssimokawa if(spec == 0) 1564103285Sikob continue; 1565108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1566108701Ssimokawa if(ver == 0) 1567103285Sikob continue; 1568103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1569103285Sikob 1570108655Ssimokawa device_printf(fc->bdev, "Device "); 1571108701Ssimokawa switch(spec){ 1572103285Sikob case CSRVAL_ANSIT10: 1573108701Ssimokawa switch(ver){ 1574103285Sikob case CSRVAL_T10SBP2: 1575107653Ssimokawa printf("SBP-II"); 1576103285Sikob break; 1577103285Sikob default: 1578103285Sikob break; 1579103285Sikob } 1580103285Sikob break; 1581103285Sikob case CSRVAL_1394TA: 1582108701Ssimokawa switch(ver){ 1583103285Sikob case CSR_PROTAVC: 1584107653Ssimokawa printf("AV/C"); 1585103285Sikob break; 1586103285Sikob case CSR_PROTCAL: 1587107653Ssimokawa printf("CAL"); 1588103285Sikob break; 1589103285Sikob case CSR_PROTEHS: 1590107653Ssimokawa printf("EHS"); 1591103285Sikob break; 1592103285Sikob case CSR_PROTHAVI: 1593107653Ssimokawa printf("HAVi"); 1594103285Sikob break; 1595103285Sikob case CSR_PROTCAM104: 1596107653Ssimokawa printf("1394 Cam 1.04"); 1597103285Sikob break; 1598103285Sikob case CSR_PROTCAM120: 1599107653Ssimokawa printf("1394 Cam 1.20"); 1600103285Sikob break; 1601103285Sikob case CSR_PROTCAM130: 1602107653Ssimokawa printf("1394 Cam 1.30"); 1603103285Sikob break; 1604103285Sikob case CSR_PROTDPP: 1605107653Ssimokawa printf("1394 Direct print"); 1606103285Sikob break; 1607103285Sikob case CSR_PROTIICP: 1608107653Ssimokawa printf("Industrial & Instrument"); 1609103285Sikob break; 1610103285Sikob default: 1611107653Ssimokawa printf("unknown 1394TA"); 1612103285Sikob break; 1613103285Sikob } 1614103285Sikob break; 1615103285Sikob default: 1616107653Ssimokawa printf("unknown spec"); 1617103285Sikob break; 1618103285Sikob } 1619103285Sikob fwdev->status = FWDEVATTACHED; 1620103285Sikob printf("\n"); 1621103285Sikob } 1622103285Sikob } 1623108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1624103285Sikob if( err != 0 ) 1625103285Sikob return; 1626103285Sikob for( i = 0 ; i < devcnt ; i++){ 1627103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1628103285Sikob fdc = device_get_softc(devlistp[i]); 1629103285Sikob if (fdc->post_explore != NULL) 1630103285Sikob fdc->post_explore(fdc); 1631103285Sikob } 1632103285Sikob } 1633103285Sikob free(devlistp, M_TEMP); 1634103285Sikob 1635103285Sikob /* call pending handlers */ 1636103285Sikob i = 0; 1637103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1638103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1639103285Sikob i++; 1640103285Sikob if (xfer->act.hand) 1641103285Sikob xfer->act.hand(xfer); 1642103285Sikob } 1643103285Sikob if (i > 0) 1644103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1645103285Sikob if (fc->retry_count > 0) { 1646111040Ssimokawa printf("probe failed for %d node\n", fc->retry_count); 1647111040Ssimokawa#if 0 1648110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1649110193Ssimokawa (void *)fc->ibr, (void *)fc); 1650111040Ssimokawa#endif 1651103285Sikob } 1652103285Sikob return; 1653103285Sikob} 1654106815Ssimokawa 1655103285Sikob/* 1656103285Sikob * To allocate uniq transaction label. 1657103285Sikob */ 1658106815Ssimokawastatic int 1659106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1660103285Sikob{ 1661103285Sikob u_int i; 1662103285Sikob struct tlabel *tl, *tmptl; 1663103285Sikob int s; 1664103285Sikob static u_int32_t label = 0; 1665103285Sikob 1666103285Sikob s = splfw(); 1667103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1668103285Sikob label = (label + 1) & 0x3f; 1669103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1670103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1671103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1672103285Sikob } 1673103285Sikob if(tmptl == NULL) { 1674110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1675103285Sikob if (tl == NULL) { 1676103285Sikob splx(s); 1677103285Sikob return (-1); 1678103285Sikob } 1679103285Sikob tl->xfer = xfer; 1680103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1681103285Sikob splx(s); 1682110577Ssimokawa if (firewire_debug > 1) 1683110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1684110577Ssimokawa xfer->dst, label); 1685103285Sikob return(label); 1686103285Sikob } 1687103285Sikob } 1688103285Sikob splx(s); 1689103285Sikob 1690103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1691103285Sikob return(-1); 1692103285Sikob} 1693106815Ssimokawa 1694103285Sikob/* 1695103285Sikob * Generic packet receving process. 1696103285Sikob */ 1697106815Ssimokawavoid 1698106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1699103285Sikob{ 1700103285Sikob struct fw_pkt *fp, *resfp; 1701103285Sikob struct fw_xfer *xfer; 1702103285Sikob struct fw_bind *bind; 1703103285Sikob struct firewire_softc *sc; 1704103285Sikob int s; 1705103285Sikob#if 0 1706103285Sikob { 1707103285Sikob u_int32_t *qld; 1708103285Sikob int i; 1709103285Sikob qld = (u_int32_t *)buf; 1710103285Sikob printf("spd %d len:%d\n", spd, len); 1711103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1712103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1713103285Sikob if((i % 16) == 15) printf("\n"); 1714103285Sikob } 1715103285Sikob if((i % 16) != 15) printf("\n"); 1716103285Sikob } 1717103285Sikob#endif 1718103285Sikob fp = (struct fw_pkt *)(buf + off); 1719103285Sikob switch(fp->mode.common.tcode){ 1720103285Sikob case FWTCODE_WRES: 1721103285Sikob case FWTCODE_RRESQ: 1722103285Sikob case FWTCODE_RRESB: 1723103285Sikob case FWTCODE_LRES: 1724103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1725103285Sikob fp->mode.hdr.tlrt >> 2); 1726103285Sikob if(xfer == NULL) { 1727103285Sikob printf("fw_rcv: unknown response " 1728110891Ssimokawa "tcode=%d src=0x%x tl=0x%x rt=%d data=0x%x\n", 1729103285Sikob fp->mode.common.tcode, 1730103285Sikob ntohs(fp->mode.hdr.src), 1731103285Sikob fp->mode.hdr.tlrt >> 2, 1732103285Sikob fp->mode.hdr.tlrt & 3, 1733103285Sikob fp->mode.rresq.data); 1734103285Sikob#if 1 1735103285Sikob printf("try ad-hoc work around!!\n"); 1736103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1737103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1738103285Sikob if (xfer == NULL) { 1739103285Sikob printf("no use...\n"); 1740103285Sikob goto err; 1741103285Sikob } 1742103285Sikob#else 1743103285Sikob goto err; 1744103285Sikob#endif 1745103285Sikob } 1746103285Sikob switch(xfer->act_type){ 1747103285Sikob case FWACT_XFER: 1748103285Sikob if((xfer->sub >= 0) && 1749103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1750103285Sikob xfer->resp = EINVAL; 1751103285Sikob fw_xfer_done(xfer); 1752103285Sikob goto err; 1753103285Sikob } 1754103285Sikob xfer->recv.len = len; 1755103285Sikob xfer->recv.off = off; 1756103285Sikob xfer->recv.buf = buf; 1757103285Sikob xfer->resp = 0; 1758103285Sikob fw_xfer_done(xfer); 1759103285Sikob return; 1760103285Sikob break; 1761103285Sikob case FWACT_CH: 1762103285Sikob default: 1763103285Sikob goto err; 1764103285Sikob break; 1765103285Sikob } 1766103285Sikob break; 1767103285Sikob case FWTCODE_WREQQ: 1768103285Sikob case FWTCODE_WREQB: 1769103285Sikob case FWTCODE_RREQQ: 1770103285Sikob case FWTCODE_RREQB: 1771103285Sikob case FWTCODE_LREQ: 1772103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1773103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1774103285Sikob if(bind == NULL){ 1775108712Ssimokawa#if __FreeBSD_version >= 500000 1776103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1777108712Ssimokawa#else 1778108712Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x\n", 1779108712Ssimokawa#endif 1780103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1781103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1782103285Sikob fp->mode.common.tcode); 1783103285Sikob if (fc->status == FWBUSRESET) { 1784110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1785103285Sikob goto err; 1786103285Sikob } 1787110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1788103285Sikob if(xfer == NULL){ 1789103285Sikob return; 1790103285Sikob } 1791103285Sikob xfer->spd = spd; 1792110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1793103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1794103285Sikob switch(fp->mode.common.tcode){ 1795103285Sikob case FWTCODE_WREQQ: 1796103285Sikob case FWTCODE_WREQB: 1797103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1798103285Sikob xfer->send.len = 12; 1799103285Sikob break; 1800103285Sikob case FWTCODE_RREQQ: 1801103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1802103285Sikob xfer->send.len = 16; 1803103285Sikob break; 1804103285Sikob case FWTCODE_RREQB: 1805103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1806103285Sikob xfer->send.len = 16; 1807103285Sikob break; 1808103285Sikob case FWTCODE_LREQ: 1809103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1810103285Sikob xfer->send.len = 16; 1811103285Sikob break; 1812103285Sikob } 1813103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1814103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1815103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1816103285Sikob resfp->mode.rresb.rtcode = 7; 1817103285Sikob resfp->mode.rresb.extcode = 0; 1818103285Sikob resfp->mode.rresb.len = 0; 1819103285Sikob/* 1820103285Sikob xfer->act.hand = fw_asy_callback; 1821103285Sikob*/ 1822103285Sikob xfer->act.hand = fw_xfer_free; 1823103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1824103285Sikob fw_xfer_free( xfer); 1825103285Sikob return; 1826103285Sikob } 1827103285Sikob goto err; 1828103285Sikob } 1829103285Sikob switch(bind->xfer->act_type){ 1830103285Sikob case FWACT_XFER: 1831110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1832103285Sikob if(xfer == NULL) goto err; 1833103285Sikob xfer->fc = bind->xfer->fc; 1834103285Sikob xfer->sc = bind->xfer->sc; 1835103285Sikob xfer->recv.buf = buf; 1836103285Sikob xfer->recv.len = len; 1837103285Sikob xfer->recv.off = off; 1838103285Sikob xfer->spd = spd; 1839103285Sikob xfer->act.hand = bind->xfer->act.hand; 1840103285Sikob if (fc->status != FWBUSRESET) 1841103285Sikob xfer->act.hand(xfer); 1842103285Sikob else 1843103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1844103285Sikob return; 1845103285Sikob break; 1846103285Sikob case FWACT_CH: 1847103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1848103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1849108655Ssimokawa device_printf(fc->bdev, 1850108655Ssimokawa "Discard a packet %x %d\n", 1851103285Sikob bind->xfer->sub, 1852103285Sikob fc->ir[bind->xfer->sub]->queued); 1853103285Sikob goto err; 1854103285Sikob } 1855110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1856103285Sikob if(xfer == NULL) goto err; 1857103285Sikob xfer->recv.buf = buf; 1858103285Sikob xfer->recv.len = len; 1859103285Sikob xfer->recv.off = off; 1860103285Sikob xfer->spd = spd; 1861103285Sikob s = splfw(); 1862103285Sikob fc->ir[bind->xfer->sub]->queued++; 1863103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1864103285Sikob splx(s); 1865103285Sikob 1866103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1867103285Sikob 1868103285Sikob return; 1869103285Sikob break; 1870103285Sikob default: 1871103285Sikob goto err; 1872103285Sikob break; 1873103285Sikob } 1874103285Sikob break; 1875103285Sikob case FWTCODE_STREAM: 1876103285Sikob { 1877103285Sikob struct fw_xferq *xferq; 1878103285Sikob 1879103285Sikob xferq = fc->ir[sub]; 1880103285Sikob#if 0 1881103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1882103285Sikob sub, len, off, spd); 1883103285Sikob#endif 1884103285Sikob if(xferq->queued >= xferq->maxq) { 1885103285Sikob printf("receive queue is full\n"); 1886103285Sikob goto err; 1887103285Sikob } 1888110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1889103285Sikob if(xfer == NULL) goto err; 1890103285Sikob xfer->recv.buf = buf; 1891103285Sikob xfer->recv.len = len; 1892103285Sikob xfer->recv.off = off; 1893103285Sikob xfer->spd = spd; 1894103285Sikob s = splfw(); 1895103285Sikob xferq->queued++; 1896103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1897103285Sikob splx(s); 1898103285Sikob sc = device_get_softc(fc->bdev); 1899103285Sikob#if __FreeBSD_version >= 500000 1900103285Sikob if (SEL_WAITING(&xferq->rsel)) 1901103285Sikob#else 1902103285Sikob if (&xferq->rsel.si_pid != 0) 1903103285Sikob#endif 1904103285Sikob selwakeup(&xferq->rsel); 1905103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1906103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1907103285Sikob wakeup((caddr_t)xferq); 1908103285Sikob } 1909103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1910103285Sikob xferq->hand(xferq); 1911103285Sikob } 1912103285Sikob return; 1913103285Sikob break; 1914103285Sikob } 1915103285Sikob default: 1916103285Sikob printf("fw_rcv: unknow tcode\n"); 1917103285Sikob break; 1918103285Sikob } 1919103285Sikoberr: 1920110195Ssimokawa free(buf, M_FW); 1921103285Sikob} 1922106815Ssimokawa 1923103285Sikob/* 1924103285Sikob * Post process for Bus Manager election process. 1925103285Sikob */ 1926103285Sikobstatic void 1927103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1928103285Sikob{ 1929109422Ssimokawa struct fw_pkt *rfp; 1930103285Sikob struct firewire_comm *fc; 1931109422Ssimokawa int bmr; 1932103285Sikob 1933109422Ssimokawa if (xfer == NULL) 1934109422Ssimokawa return; 1935103285Sikob fc = xfer->fc; 1936109422Ssimokawa if (xfer->resp != 0) 1937103285Sikob goto error; 1938109422Ssimokawa if (xfer->send.buf == NULL) 1939103285Sikob goto error; 1940109422Ssimokawa if (xfer->recv.buf == NULL) 1941103285Sikob goto error; 1942103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1943109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1944109422Ssimokawa goto error; 1945109422Ssimokawa 1946109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1947109422Ssimokawa if (bmr == 0x3f) 1948109422Ssimokawa bmr = fc->nodeid; 1949109422Ssimokawa 1950109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1951108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 1952108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1953109422Ssimokawa if(bmr == fc->nodeid){ 1954103285Sikob printf("(me)\n"); 1955110072Ssimokawa fw_bmr(fc); 1956103285Sikob }else{ 1957103285Sikob printf("\n"); 1958103285Sikob } 1959103285Sikoberror: 1960103285Sikob fw_xfer_free(xfer); 1961103285Sikob} 1962106815Ssimokawa 1963103285Sikob/* 1964103285Sikob * To candidate Bus Manager election process. 1965103285Sikob */ 1966110270Ssimokawastatic void 1967106815Ssimokawafw_try_bmr(void *arg) 1968103285Sikob{ 1969103285Sikob struct fw_xfer *xfer; 1970103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1971103285Sikob struct fw_pkt *fp; 1972103285Sikob int err = 0; 1973103285Sikob 1974110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1975103285Sikob if(xfer == NULL){ 1976103285Sikob return; 1977103285Sikob } 1978103285Sikob xfer->send.len = 24; 1979103285Sikob xfer->spd = 0; 1980110195Ssimokawa xfer->send.buf = malloc(24, M_FW, M_NOWAIT); 1981103285Sikob if(xfer->send.buf == NULL){ 1982103285Sikob fw_xfer_free( xfer); 1983103285Sikob return; 1984103285Sikob } 1985103285Sikob 1986103285Sikob fc->status = FWBUSMGRELECT; 1987103285Sikob 1988103285Sikob xfer->send.off = 0; 1989103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1990103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 1991103285Sikob fp->mode.lreq.tlrt = 0; 1992103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 1993103285Sikob fp->mode.lreq.pri = 0; 1994103285Sikob fp->mode.lreq.src = 0; 1995103285Sikob fp->mode.lreq.len = htons(8); 1996103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 1997103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 1998103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 1999103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 2000109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 2001109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 2002103285Sikob xfer->act_type = FWACT_XFER; 2003103285Sikob xfer->act.hand = fw_try_bmr_callback; 2004103285Sikob 2005103285Sikob err = fw_asyreq(fc, -1, xfer); 2006103285Sikob if(err){ 2007103285Sikob fw_xfer_free( xfer); 2008103285Sikob return; 2009103285Sikob } 2010103285Sikob return; 2011103285Sikob} 2012106543Ssimokawa 2013106543Ssimokawa#ifdef FW_VMACCESS 2014103285Sikob/* 2015103285Sikob * Software implementation for physical memory block access. 2016103285Sikob * XXX:Too slow, usef for debug purpose only. 2017103285Sikob */ 2018106815Ssimokawastatic void 2019106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2020103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2021103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 2022103285Sikob 2023103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 2024103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2025103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2026103285Sikob if(xfer->resp != 0){ 2027103285Sikob fw_xfer_free( xfer); 2028103285Sikob return; 2029103285Sikob } 2030103285Sikob if(xfer->recv.buf == NULL){ 2031103285Sikob fw_xfer_free( xfer); 2032103285Sikob return; 2033103285Sikob } 2034103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2035103285Sikob switch(rfp->mode.hdr.tcode){ 2036103285Sikob /* XXX need fix for 64bit arch */ 2037103285Sikob case FWTCODE_WREQB: 2038110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2039103285Sikob xfer->send.len = 12; 2040103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2041103285Sikob bcopy(rfp->mode.wreqb.payload, 2042103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2043103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2044103285Sikob sfp->mode.wres.rtcode = 0; 2045103285Sikob break; 2046103285Sikob case FWTCODE_WREQQ: 2047110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2048103285Sikob xfer->send.len = 12; 2049103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2050103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2051103285Sikob sfp->mode.wres.rtcode = 0; 2052103285Sikob break; 2053103285Sikob case FWTCODE_RREQB: 2054110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2055103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2056103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2057103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2058103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2059103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2060103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2061103285Sikob sfp->mode.rresb.rtcode = 0; 2062103285Sikob sfp->mode.rresb.extcode = 0; 2063103285Sikob break; 2064103285Sikob case FWTCODE_RREQQ: 2065110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2066103285Sikob xfer->send.len = 16; 2067103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2068103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2069103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2070103285Sikob sfp->mode.rresb.rtcode = 0; 2071103285Sikob break; 2072103285Sikob default: 2073103285Sikob fw_xfer_free( xfer); 2074103285Sikob return; 2075103285Sikob } 2076103285Sikob xfer->send.off = 0; 2077103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2078103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2079103285Sikob xfer->act.hand = fw_xfer_free; 2080103285Sikob xfer->retry_req = fw_asybusy; 2081103285Sikob 2082103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2083103285Sikob sfp->mode.hdr.pri = 0; 2084103285Sikob 2085103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2086103285Sikob/**/ 2087103285Sikob return; 2088103285Sikob} 2089106543Ssimokawa#endif 2090106543Ssimokawa 2091103285Sikob/* 2092103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2093103285Sikob */ 2094106815Ssimokawau_int16_t 2095106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2096103285Sikob u_int32_t i, sum, crc = 0; 2097103285Sikob int shift; 2098103285Sikob len = (len + 3) & ~3; 2099103285Sikob for(i = 0 ; i < len ; i+= 4){ 2100103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2101103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2102103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2103103285Sikob } 2104103285Sikob crc &= 0xffff; 2105103285Sikob } 2106103285Sikob return((u_int16_t) crc); 2107103285Sikob} 2108106815Ssimokawa 2109110270Ssimokawastatic int 2110110072Ssimokawafw_bmr(struct firewire_comm *fc) 2111110072Ssimokawa{ 2112110072Ssimokawa struct fw_device fwdev; 2113110072Ssimokawa int cmstr; 2114110072Ssimokawa 2115110072Ssimokawa /* XXX Assume that the current root node is cycle master capable */ 2116110072Ssimokawa cmstr = fc->max_node; 2117110072Ssimokawa /* If I am the bus manager, optimize gapcount */ 2118110072Ssimokawa if(fc->max_hop <= MAX_GAPHOP ){ 2119110072Ssimokawa fw_phy_config(fc, (fc->max_node > 0)?cmstr:-1, 2120110072Ssimokawa gap_cnt[fc->max_hop]); 2121110072Ssimokawa } 2122110072Ssimokawa /* If we are the cycle master, nothing to do */ 2123110072Ssimokawa if (cmstr == fc->nodeid) 2124110072Ssimokawa return 0; 2125110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2126110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2127110072Ssimokawa fwdev.fc = fc; 2128110072Ssimokawa fwdev.dst = cmstr; 2129110072Ssimokawa fwdev.speed = 0; 2130110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2131110072Ssimokawa fwdev.status = FWDEVINIT; 2132110072Ssimokawa /* Set cmstr bit on the cycle master */ 2133110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2134110072Ssimokawa 0xffff, 0xf0000000 | STATE_SET, 1 << 16, 2135110072Ssimokawa fw_asy_callback_free); 2136110072Ssimokawa 2137110072Ssimokawa return 0; 2138110072Ssimokawa} 2139110072Ssimokawa 2140103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2141103285SikobMODULE_VERSION(firewire, 1); 2142