firewire.c revision 111942
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 111942 2003-03-06 05:06:44Z 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; 398111074Ssimokawa fc->status = -1; 399103285Sikob 400103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 401103285Sikob 402103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 403103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 404103285Sikob mn = unitmask | i; 405103285Sikob /* XXX device name should be improved */ 406103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 407108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 408103285Sikob "fw%x", mn); 409103285Sikob#if __FreeBSD_version >= 500000 410103285Sikob if (i == 0) 411103285Sikob sc->dev = d; 412103285Sikob else 413103285Sikob dev_depends(sc->dev, d); 414103285Sikob#else 415103285Sikob sc->dev[i] = d; 416103285Sikob#endif 417103285Sikob } 418103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 419108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 420103285Sikob "fwmem%d", device_get_unit(dev)); 421103285Sikob#if __FreeBSD_version >= 500000 422103285Sikob dev_depends(sc->dev, d); 423103285Sikob#else 424103285Sikob sc->dev[i] = d; 425103285Sikob#endif 426110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 427110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 428110193Ssimokawa CALLOUT_INIT(&sc->fc->retry_probe_callout); 429110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 430108853Ssimokawa 431110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 432110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 433110193Ssimokawa 434103285Sikob /* Locate our children */ 435103285Sikob bus_generic_probe(dev); 436103285Sikob 437103285Sikob /* launch attachement of the added children */ 438103285Sikob bus_generic_attach(dev); 439103285Sikob 440110577Ssimokawa#if 1 441103285Sikob /* bus_reset */ 442103285Sikob fc->ibr(fc); 443110577Ssimokawa#endif 444103285Sikob 445103285Sikob return 0; 446103285Sikob} 447103285Sikob 448103285Sikob/* 449103285Sikob * Attach it as child. 450103285Sikob */ 451103285Sikobstatic device_t 452103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 453103285Sikob{ 454103285Sikob device_t child; 455103285Sikob struct firewire_softc *sc; 456103285Sikob 457103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 458103285Sikob child = device_add_child(dev, name, unit); 459103285Sikob if (child) { 460103285Sikob device_set_ivars(child, sc->fc); 461103285Sikob device_probe_and_attach(child); 462103285Sikob } 463103285Sikob 464103285Sikob return child; 465103285Sikob} 466106790Ssimokawa 467103285Sikob/* 468103285Sikob * Dettach it. 469103285Sikob */ 470103285Sikobstatic int 471103285Sikobfirewire_detach( device_t dev ) 472103285Sikob{ 473103285Sikob struct firewire_softc *sc; 474111074Ssimokawa struct csrdir *csrd, *next; 475111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 476103285Sikob 477103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 478106790Ssimokawa 479111078Ssimokawa bus_generic_detach(dev); 480111078Ssimokawa 481111078Ssimokawa callout_stop(&sc->fc->timeout_callout); 482111078Ssimokawa callout_stop(&sc->fc->bmr_callout); 483111078Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 484111078Ssimokawa callout_stop(&sc->fc->busprobe_callout); 485111078Ssimokawa 486103285Sikob#if __FreeBSD_version >= 500000 487103285Sikob destroy_dev(sc->dev); 488103285Sikob#else 489103285Sikob { 490103285Sikob int j; 491103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 492103285Sikob destroy_dev(sc->dev[j]); 493103285Sikob } 494103285Sikob#endif 495103285Sikob /* XXX xfree_free and untimeout on all xfers */ 496111078Ssimokawa for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 497111078Ssimokawa fwdev = fwdev_next) { 498111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 499111078Ssimokawa free(fwdev, M_FW); 500111078Ssimokawa } 501111074Ssimokawa for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 502111074Ssimokawa next = SLIST_NEXT(csrd, link); 503111074Ssimokawa free(csrd, M_FW); 504111074Ssimokawa } 505110195Ssimokawa free(sc->fc->topology_map, M_FW); 506110195Ssimokawa free(sc->fc->speed_map, M_FW); 507103285Sikob return(0); 508103285Sikob} 509103285Sikob#if 0 510103285Sikobstatic int 511103285Sikobfirewire_shutdown( device_t dev ) 512103285Sikob{ 513103285Sikob return 0; 514103285Sikob} 515103285Sikob#endif 516106790Ssimokawa 517110577Ssimokawa 518110577Ssimokawastatic void 519110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 520110577Ssimokawa{ 521110577Ssimokawa struct fw_xfer *xfer; 522110577Ssimokawa 523110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 524110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 525111942Ssimokawa xferq->queued --; 526110577Ssimokawa xfer->resp = EAGAIN; 527110577Ssimokawa switch (xfer->act_type) { 528110577Ssimokawa case FWACT_XFER: 529110577Ssimokawa fw_xfer_done(xfer); 530110577Ssimokawa break; 531110577Ssimokawa default: 532110577Ssimokawa /* ??? */ 533110577Ssimokawa fw_xfer_free(xfer); 534110577Ssimokawa break; 535110577Ssimokawa } 536110577Ssimokawa } 537110577Ssimokawa} 538110577Ssimokawa 539110798Ssimokawavoid 540110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 541110798Ssimokawa{ 542110798Ssimokawa int i; 543110798Ssimokawa 544110798Ssimokawa fw_xferq_drain(fc->atq); 545110798Ssimokawa fw_xferq_drain(fc->ats); 546110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 547110798Ssimokawa fw_xferq_drain(fc->it[i]); 548110798Ssimokawa} 549110798Ssimokawa 550103285Sikob/* 551106790Ssimokawa * Called after bus reset. 552103285Sikob */ 553106790Ssimokawavoid 554106790Ssimokawafw_busreset(struct firewire_comm *fc) 555103285Sikob{ 556103285Sikob int i; 557103285Sikob 558103285Sikob switch(fc->status){ 559103285Sikob case FWBUSMGRELECT: 560110193Ssimokawa callout_stop(&fc->bmr_callout); 561103285Sikob break; 562103285Sikob default: 563103285Sikob break; 564103285Sikob } 565103285Sikob fc->status = FWBUSRESET; 566103285Sikob CSRARC(fc, STATE_CLEAR) 567103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 568103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 569103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 570103285Sikob 571103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 572103285Sikob fc->irm = -1; 573103285Sikob 574103285Sikob fc->max_node = -1; 575103285Sikob 576103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 577103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 578103285Sikob } 579103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 580103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 581103285Sikob CSRARC(fc, RESET_START) = 0; 582103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 583103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 584103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 585103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 586103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 587103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 588103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 589103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 590103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 591103285Sikob 592103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 593103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 594103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 595103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 596103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 597103285Sikob 598103285Sikob/* DV depend CSRs see blue book */ 599103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 600103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 601103285Sikob 602103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 603103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 604103285Sikob} 605106790Ssimokawa 606103285Sikob/* Call once after reboot */ 607106790Ssimokawavoid fw_init(struct firewire_comm *fc) 608103285Sikob{ 609103285Sikob int i; 610106543Ssimokawa struct csrdir *csrd; 611106543Ssimokawa#ifdef FW_VMACCESS 612103285Sikob struct fw_xfer *xfer; 613103285Sikob struct fw_bind *fwb; 614106543Ssimokawa#endif 615103285Sikob 616103285Sikob fc->max_asyretry = FW_MAXASYRTY; 617103285Sikob 618103285Sikob fc->arq->queued = 0; 619103285Sikob fc->ars->queued = 0; 620103285Sikob fc->atq->queued = 0; 621103285Sikob fc->ats->queued = 0; 622103285Sikob 623109379Ssimokawa fc->arq->psize = PAGE_SIZE; 624109379Ssimokawa fc->ars->psize = PAGE_SIZE; 625109379Ssimokawa fc->atq->psize = 0; 626109379Ssimokawa fc->ats->psize = 0; 627103285Sikob 628103285Sikob 629103285Sikob fc->arq->buf = NULL; 630103285Sikob fc->ars->buf = NULL; 631103285Sikob fc->atq->buf = NULL; 632103285Sikob fc->ats->buf = NULL; 633103285Sikob 634103285Sikob fc->arq->flag = FWXFERQ_PACKET; 635103285Sikob fc->ars->flag = FWXFERQ_PACKET; 636103285Sikob fc->atq->flag = FWXFERQ_PACKET; 637103285Sikob fc->ats->flag = FWXFERQ_PACKET; 638103285Sikob 639103285Sikob STAILQ_INIT(&fc->atq->q); 640103285Sikob STAILQ_INIT(&fc->ats->q); 641103285Sikob 642103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 643103285Sikob fc->it[i]->queued = 0; 644103285Sikob fc->ir[i]->queued = 0; 645103285Sikob 646103285Sikob fc->it[i]->start = NULL; 647103285Sikob fc->ir[i]->start = NULL; 648103285Sikob 649103285Sikob fc->it[i]->buf = NULL; 650103285Sikob fc->ir[i]->buf = NULL; 651103285Sikob 652103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 653103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 654103285Sikob 655103285Sikob STAILQ_INIT(&fc->it[i]->q); 656103285Sikob STAILQ_INIT(&fc->ir[i]->q); 657103285Sikob 658103285Sikob STAILQ_INIT(&fc->it[i]->binds); 659103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 660103285Sikob } 661103285Sikob 662103285Sikob fc->arq->maxq = FWMAXQUEUE; 663103285Sikob fc->ars->maxq = FWMAXQUEUE; 664103285Sikob fc->atq->maxq = FWMAXQUEUE; 665103285Sikob fc->ats->maxq = FWMAXQUEUE; 666103285Sikob 667103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 668103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 669103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 670103285Sikob } 671103285Sikob/* Initialize csr registers */ 672103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 673103285Sikob sizeof(struct fw_topology_map), 674110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 675103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 676103285Sikob sizeof(struct fw_speed_map), 677110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 678103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 679103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 680103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 681103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 682103285Sikob 683110193Ssimokawa STAILQ_INIT(&fc->devices); 684103285Sikob STAILQ_INIT(&fc->pending); 685103285Sikob 686103285Sikob/* Initialize csr ROM work space */ 687103285Sikob SLIST_INIT(&fc->ongocsr); 688103285Sikob SLIST_INIT(&fc->csrfree); 689103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 690110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 691103285Sikob if(csrd == NULL) break; 692103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 693103285Sikob } 694103285Sikob 695103285Sikob/* Initialize Async handlers */ 696103285Sikob STAILQ_INIT(&fc->binds); 697103285Sikob for( i = 0 ; i < 0x40 ; i++){ 698103285Sikob STAILQ_INIT(&fc->tlabels[i]); 699103285Sikob } 700103285Sikob 701103285Sikob/* DV depend CSRs see blue book */ 702103285Sikob#if 0 703103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 704103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 705103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 706103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 707103285Sikob } 708103285Sikob 709103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 710103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 711103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 712103285Sikob CSRARC(fc, i + iPCR) = 0x0; 713103285Sikob } 714103285Sikob#endif 715103285Sikob 716103285Sikob 717106543Ssimokawa#ifdef FW_VMACCESS 718103285Sikob xfer = fw_xfer_alloc(); 719103285Sikob if(xfer == NULL) return; 720103285Sikob 721110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 722103285Sikob if(fwb == NULL){ 723103285Sikob fw_xfer_free(xfer); 724103285Sikob } 725103285Sikob xfer->act.hand = fw_vmaccess; 726103285Sikob xfer->act_type = FWACT_XFER; 727103285Sikob xfer->fc = fc; 728103285Sikob xfer->sc = NULL; 729103285Sikob 730103285Sikob fwb->start_hi = 0x2; 731103285Sikob fwb->start_lo = 0; 732103285Sikob fwb->addrlen = 0xffffffff; 733103285Sikob fwb->xfer = xfer; 734103285Sikob fw_bindadd(fc, fwb); 735106543Ssimokawa#endif 736103285Sikob} 737106790Ssimokawa 738103285Sikob/* 739103285Sikob * To lookup binded process from IEEE1394 address. 740103285Sikob */ 741106813Ssimokawastruct fw_bind * 742106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 743103285Sikob{ 744103285Sikob struct fw_bind *tfw; 745103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 746103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 747103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 748103285Sikob tfw->start_hi == dest_hi && 749103285Sikob tfw->start_lo <= dest_lo && 750103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 751103285Sikob return(tfw); 752103285Sikob } 753103285Sikob } 754103285Sikob return(NULL); 755103285Sikob} 756106790Ssimokawa 757103285Sikob/* 758103285Sikob * To bind IEEE1394 address block to process. 759103285Sikob */ 760106790Ssimokawaint 761106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 762103285Sikob{ 763103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 764103285Sikob int err = 0; 765103285Sikob tfw = STAILQ_FIRST(&fc->binds); 766103285Sikob if(tfw == NULL){ 767103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 768103285Sikob goto out; 769103285Sikob } 770103285Sikob if((tfw->start_hi > fwb->start_hi) || 771103285Sikob (tfw->start_hi == fwb->start_hi && 772103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 773103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 774103285Sikob goto out; 775103285Sikob } 776103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 777103285Sikob if((tfw->start_hi < fwb->start_hi) || 778103285Sikob (tfw->start_hi == fwb->start_hi && 779103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 780103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 781103285Sikob if(tfw2 == NULL) 782103285Sikob break; 783103285Sikob if((tfw2->start_hi > fwb->start_hi) || 784103285Sikob (tfw2->start_hi == fwb->start_hi && 785103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 786103285Sikob break; 787103285Sikob }else{ 788103285Sikob err = EBUSY; 789103285Sikob goto out; 790103285Sikob } 791103285Sikob } 792103285Sikob } 793103285Sikob if(tfw != NULL){ 794103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 795103285Sikob }else{ 796103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 797103285Sikob } 798103285Sikobout: 799103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 800103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 801103285Sikob } 802103285Sikob return err; 803103285Sikob} 804103285Sikob 805103285Sikob/* 806103285Sikob * To free IEEE1394 address block. 807103285Sikob */ 808106790Ssimokawaint 809106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 810103285Sikob{ 811103285Sikob int s; 812103285Sikob 813103285Sikob s = splfw(); 814103285Sikob /* shall we check the existance? */ 815103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 816103285Sikob splx(s); 817103285Sikob if (fwb->xfer) 818103285Sikob fw_xfer_free(fwb->xfer); 819103285Sikob 820103285Sikob return 0; 821103285Sikob} 822103285Sikob 823103285Sikob/* 824103285Sikob * To free transaction label. 825103285Sikob */ 826106790Ssimokawastatic void 827106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 828103285Sikob{ 829103285Sikob struct tlabel *tl; 830103285Sikob int s = splfw(); 831103285Sikob 832103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 833103285Sikob tl = STAILQ_NEXT(tl, link)){ 834103285Sikob if(tl->xfer == xfer){ 835103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 836110195Ssimokawa free(tl, M_FW); 837103285Sikob splx(s); 838103285Sikob return; 839103285Sikob } 840103285Sikob } 841103285Sikob splx(s); 842103285Sikob return; 843103285Sikob} 844106790Ssimokawa 845103285Sikob/* 846103285Sikob * To obtain XFER structure by transaction label. 847103285Sikob */ 848106790Ssimokawastatic struct fw_xfer * 849106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 850103285Sikob{ 851103285Sikob struct fw_xfer *xfer; 852103285Sikob struct tlabel *tl; 853103285Sikob int s = splfw(); 854103285Sikob 855103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 856103285Sikob tl = STAILQ_NEXT(tl, link)){ 857103285Sikob if(tl->xfer->dst == node){ 858103285Sikob xfer = tl->xfer; 859103285Sikob splx(s); 860110577Ssimokawa if (firewire_debug > 2) 861110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 862103285Sikob return(xfer); 863103285Sikob } 864103285Sikob } 865110577Ssimokawa if (firewire_debug > 1) 866110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 867103285Sikob splx(s); 868103285Sikob return(NULL); 869103285Sikob} 870106790Ssimokawa 871103285Sikob/* 872103285Sikob * To allocate IEEE1394 XFER structure. 873103285Sikob */ 874106790Ssimokawastruct fw_xfer * 875110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 876103285Sikob{ 877103285Sikob struct fw_xfer *xfer; 878106790Ssimokawa 879110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 880106790Ssimokawa if (xfer == NULL) 881106790Ssimokawa return xfer; 882106790Ssimokawa 883110577Ssimokawa microtime(&xfer->tv); 884103285Sikob xfer->sub = -1; 885110269Ssimokawa xfer->malloc = type; 886106790Ssimokawa 887103285Sikob return xfer; 888103285Sikob} 889106790Ssimokawa 890103285Sikob/* 891103285Sikob * IEEE1394 XFER post process. 892103285Sikob */ 893103285Sikobvoid 894103285Sikobfw_xfer_done(struct fw_xfer *xfer) 895103285Sikob{ 896103285Sikob if (xfer->act.hand == NULL) 897103285Sikob return; 898103285Sikob 899103285Sikob#if XFER_TIMEOUT 900103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 901103285Sikob#endif 902103285Sikob 903103285Sikob if (xfer->fc->status != FWBUSRESET) 904103285Sikob xfer->act.hand(xfer); 905103285Sikob else { 906103285Sikob printf("fw_xfer_done: pending\n"); 907103285Sikob if (xfer->fc != NULL) 908103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 909103285Sikob else 910103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 911103285Sikob } 912103285Sikob} 913103285Sikob 914103285Sikob/* 915103285Sikob * To free IEEE1394 XFER structure. 916103285Sikob */ 917106790Ssimokawavoid 918106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 919103285Sikob{ 920103285Sikob int s; 921103285Sikob if(xfer == NULL ) return; 922103285Sikob if(xfer->state == FWXF_INQ){ 923103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 924103285Sikob s = splfw(); 925103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 926103285Sikob xfer->q->queued --; 927103285Sikob splx(s); 928103285Sikob } 929103285Sikob if(xfer->fc != NULL){ 930103285Sikob if(xfer->state == FWXF_START){ 931103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 932103285Sikob printf("fw_xfer_free FWXF_START\n"); 933103285Sikob#endif 934103285Sikob s = splfw(); 935103285Sikob xfer->q->drain(xfer->fc, xfer); 936103285Sikob splx(s); 937103285Sikob } 938103285Sikob } 939103285Sikob if(xfer->send.buf != NULL){ 940110195Ssimokawa free(xfer->send.buf, M_FW); 941103285Sikob } 942103285Sikob if(xfer->recv.buf != NULL){ 943110195Ssimokawa free(xfer->recv.buf, M_FW); 944103285Sikob } 945103285Sikob if(xfer->fc != NULL){ 946103285Sikob fw_tl_free(xfer->fc, xfer); 947103285Sikob } 948110269Ssimokawa free(xfer, xfer->malloc); 949103285Sikob} 950103285Sikob 951103285Sikobstatic void 952110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 953103285Sikob{ 954103285Sikob#if 0 955110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 956103285Sikob xfer->state, xfer->resp); 957103285Sikob#endif 958103285Sikob fw_xfer_free(xfer); 959103285Sikob} 960103285Sikob 961103285Sikob/* 962103285Sikob * To configure PHY. 963103285Sikob */ 964103285Sikobstatic void 965103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 966103285Sikob{ 967103285Sikob struct fw_xfer *xfer; 968103285Sikob struct fw_pkt *fp; 969103285Sikob 970103285Sikob fc->status = FWBUSPHYCONF; 971103285Sikob 972109280Ssimokawa#if 0 973103285Sikob DELAY(100000); 974109280Ssimokawa#endif 975110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 976103285Sikob xfer->send.len = 12; 977103285Sikob xfer->send.off = 0; 978103285Sikob xfer->fc = fc; 979103285Sikob xfer->retry_req = fw_asybusy; 980110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 981103285Sikob 982103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 983110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 984103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 985103285Sikob fp->mode.ld[1] = 0; 986103285Sikob if (root_node >= 0) 987103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 988103285Sikob if (gap_count >= 0) 989103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 990103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 991103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 992103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 993103285Sikob 994107653Ssimokawa if (firewire_debug) 995107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 996103285Sikob root_node, gap_count); 997103285Sikob fw_asyreq(fc, -1, xfer); 998103285Sikob} 999103285Sikob 1000103285Sikob#if 0 1001103285Sikob/* 1002103285Sikob * Dump self ID. 1003103285Sikob */ 1004103285Sikobstatic void 1005103285Sikobfw_print_sid(u_int32_t sid) 1006103285Sikob{ 1007103285Sikob union fw_self_id *s; 1008103285Sikob s = (union fw_self_id *) &sid; 1009103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1010103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1011103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1012103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1013103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1014103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1015103285Sikob} 1016103285Sikob#endif 1017103285Sikob 1018103285Sikob/* 1019103285Sikob * To receive self ID. 1020103285Sikob */ 1021103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 1022103285Sikob{ 1023103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 1024103285Sikob union fw_self_id *self_id; 1025103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1026103285Sikob 1027103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1028103285Sikob fc->status = FWBUSINIT; 1029103285Sikob fc->max_node = fc->nodeid & 0x3f; 1030103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1031103285Sikob fc->status = FWBUSCYMELECT; 1032103285Sikob fc->topology_map->crc_len = 2; 1033103285Sikob fc->topology_map->generation ++; 1034103285Sikob fc->topology_map->self_id_count = 0; 1035103285Sikob fc->topology_map->node_count = 0; 1036103285Sikob fc->speed_map->generation ++; 1037103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1038103285Sikob self_id = &fc->topology_map->self_id[0]; 1039103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1040103285Sikob if (sid[1] != ~sid[0]) { 1041103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1042103285Sikob sid += 2; 1043103285Sikob continue; 1044103285Sikob } 1045103285Sikob *self_id = *((union fw_self_id *)sid); 1046103285Sikob fc->topology_map->crc_len++; 1047103285Sikob if(self_id->p0.sequel == 0){ 1048103285Sikob fc->topology_map->node_count ++; 1049103285Sikob c_port = 0; 1050103285Sikob#if 0 1051103285Sikob fw_print_sid(sid[0]); 1052103285Sikob#endif 1053103285Sikob node = self_id->p0.phy_id; 1054103285Sikob if(fc->max_node < node){ 1055103285Sikob fc->max_node = self_id->p0.phy_id; 1056103285Sikob } 1057103285Sikob /* XXX I'm not sure this is the right speed_map */ 1058103285Sikob fc->speed_map->speed[node][node] 1059103285Sikob = self_id->p0.phy_speed; 1060103285Sikob for (j = 0; j < node; j ++) { 1061103285Sikob fc->speed_map->speed[j][node] 1062103285Sikob = fc->speed_map->speed[node][j] 1063103285Sikob = min(fc->speed_map->speed[j][j], 1064103285Sikob self_id->p0.phy_speed); 1065103285Sikob } 1066103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1067103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1068103285Sikob fc->irm = self_id->p0.phy_id; 1069103285Sikob } 1070103285Sikob if(self_id->p0.port0 >= 0x2){ 1071103285Sikob c_port++; 1072103285Sikob } 1073103285Sikob if(self_id->p0.port1 >= 0x2){ 1074103285Sikob c_port++; 1075103285Sikob } 1076103285Sikob if(self_id->p0.port2 >= 0x2){ 1077103285Sikob c_port++; 1078103285Sikob } 1079103285Sikob } 1080103285Sikob if(c_port > 2){ 1081103285Sikob i_branch += (c_port - 2); 1082103285Sikob } 1083103285Sikob sid += 2; 1084103285Sikob self_id++; 1085103285Sikob fc->topology_map->self_id_count ++; 1086103285Sikob } 1087108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1088103285Sikob /* CRC */ 1089103285Sikob fc->topology_map->crc = fw_crc16( 1090103285Sikob (u_int32_t *)&fc->topology_map->generation, 1091103285Sikob fc->topology_map->crc_len * 4); 1092103285Sikob fc->speed_map->crc = fw_crc16( 1093103285Sikob (u_int32_t *)&fc->speed_map->generation, 1094103285Sikob fc->speed_map->crc_len * 4); 1095103285Sikob /* byteswap and copy to CSR */ 1096103285Sikob p = (u_int32_t *)fc->topology_map; 1097103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1098103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1099103285Sikob p = (u_int32_t *)fc->speed_map; 1100103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1101103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1102103285Sikob /* don't byte-swap u_int8_t array */ 1103103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1104103285Sikob 1105103285Sikob fc->max_hop = fc->max_node - i_branch; 1106103285Sikob#if 1 1107103285Sikob printf(", maxhop <= %d", fc->max_hop); 1108103285Sikob#endif 1109103285Sikob 1110103285Sikob if(fc->irm == -1 ){ 1111103285Sikob printf(", Not found IRM capable node"); 1112103285Sikob }else{ 1113103285Sikob printf(", cable IRM = %d", fc->irm); 1114103285Sikob if (fc->irm == fc->nodeid) 1115110016Ssimokawa printf(" (me)"); 1116103285Sikob } 1117110016Ssimokawa printf("\n"); 1118103285Sikob 1119109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1120109736Ssimokawa if (fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)) { 1121103285Sikob fc->status = FWBUSMGRDONE; 1122103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1123109736Ssimokawa } else { 1124103285Sikob fc->status = FWBUSMGRELECT; 1125110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1126110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1127103285Sikob } 1128109736Ssimokawa } else { 1129103285Sikob fc->status = FWBUSMGRDONE; 1130109736Ssimokawa#if 0 1131108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1132108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1133109736Ssimokawa#endif 1134103285Sikob } 1135110195Ssimokawa free(buf, M_FW); 1136103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1137110072Ssimokawa /* I am BMGR */ 1138110072Ssimokawa fw_bmr(fc); 1139103285Sikob } 1140108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1141108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1142103285Sikob} 1143106790Ssimokawa 1144103285Sikob/* 1145103285Sikob * To probe devices on the IEEE1394 bus. 1146103285Sikob */ 1147106790Ssimokawastatic void 1148106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1149103285Sikob{ 1150103285Sikob int s; 1151103285Sikob struct fw_device *fwdev, *next; 1152103285Sikob 1153103285Sikob s = splfw(); 1154103285Sikob fc->status = FWBUSEXPLORE; 1155103285Sikob fc->retry_count = 0; 1156103285Sikob 1157103285Sikob/* 1158103285Sikob * Invalidate all devices, just after bus reset. Devices 1159103285Sikob * to be removed has not been seen longer time. 1160103285Sikob */ 1161110193Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1162110193Ssimokawa next = STAILQ_NEXT(fwdev, link); 1163110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1164103285Sikob fwdev->status = FWDEVINVAL; 1165103285Sikob fwdev->rcnt = 0; 1166110193Ssimokawa } else if(fwdev->rcnt < FW_MAXDEVRCNT) { 1167103285Sikob fwdev->rcnt ++; 1168110193Ssimokawa } else { 1169110193Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, link); 1170110195Ssimokawa free(fwdev, M_FW); 1171103285Sikob } 1172103285Sikob } 1173103285Sikob fc->ongonode = 0; 1174103285Sikob fc->ongoaddr = CSRROMOFF; 1175103285Sikob fc->ongodev = NULL; 1176103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1177103285Sikob fw_bus_explore(fc); 1178103285Sikob splx(s); 1179103285Sikob} 1180106790Ssimokawa 1181103285Sikob/* 1182103285Sikob * To collect device informations on the IEEE1394 bus. 1183103285Sikob */ 1184106790Ssimokawastatic void 1185106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1186103285Sikob{ 1187103285Sikob int err = 0; 1188110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1189103285Sikob u_int32_t addr; 1190103285Sikob struct fw_xfer *xfer; 1191103285Sikob struct fw_pkt *fp; 1192103285Sikob 1193103285Sikob if(fc->status != FWBUSEXPLORE) 1194103285Sikob return; 1195103285Sikob 1196103285Sikobloop: 1197103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1198103285Sikob 1199103285Sikob if(fc->ongonode > fc->max_node) goto done; 1200103285Sikob if(fc->ongonode >= 0x3f) goto done; 1201103285Sikob 1202103285Sikob /* check link */ 1203103285Sikob /* XXX we need to check phy_id first */ 1204103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1205110577Ssimokawa if (firewire_debug) 1206110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1207103285Sikob fc->ongonode++; 1208103285Sikob goto loop; 1209103285Sikob } 1210103285Sikob 1211103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1212103285Sikob fc->ongoeui.hi == 0xffffffff && 1213103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1214103285Sikob fc->ongoaddr = CSRROMOFF; 1215103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1216103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1217103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1218103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1219103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1220103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1221103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1222103285Sikob }else if(fc->ongodev == NULL){ 1223110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1224110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1225103285Sikob break; 1226103285Sikob if(fwdev != NULL){ 1227103285Sikob fwdev->dst = fc->ongonode; 1228103285Sikob fwdev->status = FWDEVATTACHED; 1229103285Sikob fc->ongonode++; 1230103285Sikob fc->ongoaddr = CSRROMOFF; 1231103285Sikob fc->ongodev = NULL; 1232103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1233103285Sikob goto loop; 1234103285Sikob } 1235110195Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, M_NOWAIT); 1236103285Sikob if(fwdev == NULL) 1237103285Sikob return; 1238106810Ssimokawa fwdev->fc = fc; 1239103285Sikob fwdev->rommax = 0; 1240103285Sikob fwdev->dst = fc->ongonode; 1241103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1242103285Sikob fwdev->status = FWDEVINIT; 1243103285Sikob#if 0 1244103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1245103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1246103285Sikob#else 1247103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1248103285Sikob#endif 1249103285Sikob 1250110179Ssimokawa pfwdev = NULL; 1251110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1252110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1253110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1254110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1255110179Ssimokawa break; 1256110179Ssimokawa pfwdev = tfwdev; 1257103285Sikob } 1258110179Ssimokawa if (pfwdev == NULL) 1259110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1260110179Ssimokawa else 1261110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1262103285Sikob 1263108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1264107653Ssimokawa linkspeed[fwdev->speed], 1265107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1266103285Sikob 1267103285Sikob fc->ongodev = fwdev; 1268103285Sikob fc->ongoaddr = CSRROMOFF; 1269103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1270103285Sikob }else{ 1271103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1272103285Sikob } 1273103285Sikob#if 0 1274103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1275103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1276103285Sikob fw_bus_explore_callback); 1277103285Sikob if(xfer == NULL) goto done; 1278103285Sikob#else 1279110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1280103285Sikob if(xfer == NULL){ 1281103285Sikob goto done; 1282103285Sikob } 1283103285Sikob xfer->send.len = 16; 1284103285Sikob xfer->spd = 0; 1285110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1286103285Sikob if(xfer->send.buf == NULL){ 1287103285Sikob fw_xfer_free( xfer); 1288103285Sikob return; 1289103285Sikob } 1290103285Sikob 1291103285Sikob xfer->send.off = 0; 1292103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1293103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1294103285Sikob fp->mode.rreqq.tlrt = 0; 1295103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1296103285Sikob fp->mode.rreqq.pri = 0; 1297103285Sikob fp->mode.rreqq.src = 0; 1298103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1299103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1300103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1301103285Sikob xfer->act.hand = fw_bus_explore_callback; 1302103285Sikob 1303110577Ssimokawa if (firewire_debug) 1304110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1305110577Ssimokawa fc->ongonode, fc->ongoaddr); 1306103285Sikob err = fw_asyreq(fc, -1, xfer); 1307103285Sikob if(err){ 1308103285Sikob fw_xfer_free( xfer); 1309103285Sikob return; 1310103285Sikob } 1311103285Sikob#endif 1312103285Sikob return; 1313103285Sikobdone: 1314103285Sikob /* fw_attach_devs */ 1315103285Sikob fc->status = FWBUSEXPDONE; 1316107653Ssimokawa if (firewire_debug) 1317107653Ssimokawa printf("bus_explore done\n"); 1318103285Sikob fw_attach_dev(fc); 1319103285Sikob return; 1320103285Sikob 1321103285Sikob} 1322106790Ssimokawa 1323103285Sikob/* Portable Async. request read quad */ 1324106790Ssimokawastruct fw_xfer * 1325106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1326105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1327105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1328103285Sikob{ 1329103285Sikob struct fw_xfer *xfer; 1330103285Sikob struct fw_pkt *fp; 1331103285Sikob int err; 1332103285Sikob 1333110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1334103285Sikob if(xfer == NULL){ 1335103285Sikob return NULL; 1336103285Sikob } 1337103285Sikob xfer->send.len = 16; 1338103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1339110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1340103285Sikob if(xfer->send.buf == NULL){ 1341103285Sikob fw_xfer_free( xfer); 1342103285Sikob return NULL; 1343103285Sikob } 1344103285Sikob 1345103285Sikob xfer->send.off = 0; 1346103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1347103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1348103285Sikob if(tl & FWP_TL_VALID){ 1349103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1350103285Sikob }else{ 1351103285Sikob fp->mode.rreqq.tlrt = 0; 1352103285Sikob } 1353103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1354103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1355103285Sikob fp->mode.rreqq.pri = 0; 1356103285Sikob fp->mode.rreqq.src = 0; 1357103285Sikob xfer->dst = addr_hi >> 16; 1358103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1359103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1360103285Sikob xfer->act.hand = hand; 1361103285Sikob 1362103285Sikob err = fw_asyreq(fc, -1, xfer); 1363103285Sikob if(err){ 1364103285Sikob fw_xfer_free( xfer); 1365103285Sikob return NULL; 1366103285Sikob } 1367103285Sikob return xfer; 1368103285Sikob} 1369106790Ssimokawa 1370103285Sikob/* 1371103285Sikob * Callback for the IEEE1394 bus information collection. 1372103285Sikob */ 1373106790Ssimokawastatic void 1374106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1375106790Ssimokawa{ 1376103285Sikob struct firewire_comm *fc; 1377103285Sikob struct fw_pkt *sfp,*rfp; 1378103285Sikob struct csrhdr *chdr; 1379103285Sikob struct csrdir *csrd; 1380103285Sikob struct csrreg *csrreg; 1381103285Sikob u_int32_t offset; 1382103285Sikob 1383103285Sikob 1384110577Ssimokawa if(xfer == NULL) { 1385110577Ssimokawa printf("xfer == NULL\n"); 1386110577Ssimokawa return; 1387110577Ssimokawa } 1388103285Sikob fc = xfer->fc; 1389110577Ssimokawa 1390110577Ssimokawa if (firewire_debug) 1391110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1392110577Ssimokawa fc->ongonode, fc->ongoaddr); 1393110577Ssimokawa 1394103285Sikob if(xfer->resp != 0){ 1395110577Ssimokawa printf("node%d: resp=%d addr=0x%x\n", 1396110577Ssimokawa fc->ongonode, xfer->resp, fc->ongoaddr); 1397103285Sikob fc->retry_count++; 1398103285Sikob goto nextnode; 1399103285Sikob } 1400103285Sikob 1401103285Sikob if(xfer->send.buf == NULL){ 1402110577Ssimokawa printf("node%d: send.buf=NULL addr=0x%x\n", 1403103285Sikob fc->ongonode, fc->ongoaddr); 1404103285Sikob fc->retry_count++; 1405103285Sikob goto nextnode; 1406103285Sikob } 1407103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1408103285Sikob 1409103285Sikob if(xfer->recv.buf == NULL){ 1410110577Ssimokawa printf("node%d: recv.buf=NULL addr=0x%x\n", 1411103285Sikob fc->ongonode, fc->ongoaddr); 1412103285Sikob fc->retry_count++; 1413103285Sikob goto nextnode; 1414103285Sikob } 1415103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1416103285Sikob#if 0 1417103285Sikob { 1418103285Sikob u_int32_t *qld; 1419103285Sikob int i; 1420103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1421103285Sikob printf("len:%d\n", xfer->recv.len); 1422103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1423103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1424103285Sikob if((i % 16) == 15) printf("\n"); 1425103285Sikob } 1426103285Sikob if((i % 16) != 15) printf("\n"); 1427103285Sikob } 1428103285Sikob#endif 1429103285Sikob if(fc->ongodev == NULL){ 1430103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1431103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1432103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1433110577Ssimokawa/* If CSR is minimal confinguration, more investgation is not needed. */ 1434103285Sikob if(chdr->info_len == 1){ 1435110577Ssimokawa if (firewire_debug) 1436110577Ssimokawa printf("node%d: minimal config\n", 1437110577Ssimokawa fc->ongonode); 1438103285Sikob goto nextnode; 1439103285Sikob }else{ 1440103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1441103285Sikob } 1442103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1443103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1444103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1445103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1446103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1447110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1448110577Ssimokawa if (firewire_debug) 1449110577Ssimokawa printf("node%d: eui64 is zero.\n", 1450110577Ssimokawa fc->ongonode); 1451103285Sikob goto nextnode; 1452110577Ssimokawa } 1453103285Sikob fc->ongoaddr = CSRROMOFF; 1454103285Sikob } 1455103285Sikob }else{ 1456103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1457103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1458103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1459103285Sikob } 1460103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1461103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1462103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1463103285Sikob offset = CSRROMOFF; 1464103285Sikob }else{ 1465103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1466103285Sikob offset = csrd->off; 1467103285Sikob } 1468103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1469103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1470103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1471103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1472103285Sikob if(csrd == NULL){ 1473103285Sikob goto nextnode; 1474103285Sikob }else{ 1475103285Sikob csrd->ongoaddr = fc->ongoaddr; 1476103285Sikob fc->ongoaddr += csrreg->val * 4; 1477103285Sikob csrd->off = fc->ongoaddr; 1478103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1479103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1480103285Sikob goto nextaddr; 1481103285Sikob } 1482103285Sikob } 1483103285Sikob } 1484103285Sikob fc->ongoaddr += 4; 1485103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1486103285Sikob (fc->ongodev->rommax < 0x414)){ 1487103285Sikob if(fc->ongodev->rommax <= 0x414){ 1488103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1489103285Sikob if(csrd == NULL) goto nextnode; 1490103285Sikob csrd->off = fc->ongoaddr; 1491103285Sikob csrd->ongoaddr = fc->ongoaddr; 1492103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1493103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1494103285Sikob } 1495103285Sikob goto nextaddr; 1496103285Sikob } 1497103285Sikob 1498103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1499103285Sikob if(csrd == NULL){ 1500103285Sikob goto nextnode; 1501103285Sikob }; 1502103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1503103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1504103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1505103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1506103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1507103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1508103285Sikob offset = CSRROMOFF; 1509103285Sikob }else{ 1510103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1511103285Sikob offset = csrd->off; 1512103285Sikob } 1513103285Sikob } 1514103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1515103285Sikob goto nextnode; 1516103285Sikob } 1517103285Sikob } 1518103285Sikobnextaddr: 1519103285Sikob fw_xfer_free( xfer); 1520103285Sikob fw_bus_explore(fc); 1521103285Sikob return; 1522103285Sikobnextnode: 1523103285Sikob fw_xfer_free( xfer); 1524103285Sikob fc->ongonode++; 1525103285Sikob/* housekeeping work space */ 1526103285Sikob fc->ongoaddr = CSRROMOFF; 1527103285Sikob fc->ongodev = NULL; 1528103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1529103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1530103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1531103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1532103285Sikob } 1533103285Sikob fw_bus_explore(fc); 1534103285Sikob return; 1535103285Sikob} 1536103285Sikob 1537103285Sikob/* 1538103285Sikob * To obtain CSR register values. 1539103285Sikob */ 1540106815Ssimokawau_int32_t 1541106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1542103285Sikob{ 1543103285Sikob int i; 1544103285Sikob struct csrhdr *chdr; 1545103285Sikob struct csrreg *creg; 1546103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1547103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1548103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1549103285Sikob if(creg->key == key){ 1550103285Sikob return (u_int32_t)creg->val; 1551103285Sikob } 1552103285Sikob } 1553103285Sikob return 0; 1554103285Sikob} 1555106815Ssimokawa 1556103285Sikob/* 1557103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1558103285Sikob */ 1559106815Ssimokawastatic void 1560106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1561103285Sikob{ 1562103285Sikob struct fw_device *fwdev; 1563103285Sikob struct fw_xfer *xfer; 1564103285Sikob int i, err; 1565103285Sikob device_t *devlistp; 1566103285Sikob int devcnt; 1567103285Sikob struct firewire_dev_comm *fdc; 1568108701Ssimokawa u_int32_t spec, ver; 1569103285Sikob 1570110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) { 1571103285Sikob if(fwdev->status == FWDEVINIT){ 1572108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1573108701Ssimokawa if(spec == 0) 1574103285Sikob continue; 1575108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1576108701Ssimokawa if(ver == 0) 1577103285Sikob continue; 1578103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1579103285Sikob 1580108655Ssimokawa device_printf(fc->bdev, "Device "); 1581108701Ssimokawa switch(spec){ 1582103285Sikob case CSRVAL_ANSIT10: 1583108701Ssimokawa switch(ver){ 1584103285Sikob case CSRVAL_T10SBP2: 1585107653Ssimokawa printf("SBP-II"); 1586103285Sikob break; 1587103285Sikob default: 1588103285Sikob break; 1589103285Sikob } 1590103285Sikob break; 1591103285Sikob case CSRVAL_1394TA: 1592108701Ssimokawa switch(ver){ 1593103285Sikob case CSR_PROTAVC: 1594107653Ssimokawa printf("AV/C"); 1595103285Sikob break; 1596103285Sikob case CSR_PROTCAL: 1597107653Ssimokawa printf("CAL"); 1598103285Sikob break; 1599103285Sikob case CSR_PROTEHS: 1600107653Ssimokawa printf("EHS"); 1601103285Sikob break; 1602103285Sikob case CSR_PROTHAVI: 1603107653Ssimokawa printf("HAVi"); 1604103285Sikob break; 1605103285Sikob case CSR_PROTCAM104: 1606107653Ssimokawa printf("1394 Cam 1.04"); 1607103285Sikob break; 1608103285Sikob case CSR_PROTCAM120: 1609107653Ssimokawa printf("1394 Cam 1.20"); 1610103285Sikob break; 1611103285Sikob case CSR_PROTCAM130: 1612107653Ssimokawa printf("1394 Cam 1.30"); 1613103285Sikob break; 1614103285Sikob case CSR_PROTDPP: 1615107653Ssimokawa printf("1394 Direct print"); 1616103285Sikob break; 1617103285Sikob case CSR_PROTIICP: 1618107653Ssimokawa printf("Industrial & Instrument"); 1619103285Sikob break; 1620103285Sikob default: 1621107653Ssimokawa printf("unknown 1394TA"); 1622103285Sikob break; 1623103285Sikob } 1624103285Sikob break; 1625103285Sikob default: 1626107653Ssimokawa printf("unknown spec"); 1627103285Sikob break; 1628103285Sikob } 1629103285Sikob fwdev->status = FWDEVATTACHED; 1630103285Sikob printf("\n"); 1631103285Sikob } 1632103285Sikob } 1633108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1634103285Sikob if( err != 0 ) 1635103285Sikob return; 1636103285Sikob for( i = 0 ; i < devcnt ; i++){ 1637103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1638103285Sikob fdc = device_get_softc(devlistp[i]); 1639103285Sikob if (fdc->post_explore != NULL) 1640103285Sikob fdc->post_explore(fdc); 1641103285Sikob } 1642103285Sikob } 1643103285Sikob free(devlistp, M_TEMP); 1644103285Sikob 1645103285Sikob /* call pending handlers */ 1646103285Sikob i = 0; 1647103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1648103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1649103285Sikob i++; 1650103285Sikob if (xfer->act.hand) 1651103285Sikob xfer->act.hand(xfer); 1652103285Sikob } 1653103285Sikob if (i > 0) 1654103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1655103285Sikob if (fc->retry_count > 0) { 1656111040Ssimokawa printf("probe failed for %d node\n", fc->retry_count); 1657111040Ssimokawa#if 0 1658110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1659110193Ssimokawa (void *)fc->ibr, (void *)fc); 1660111040Ssimokawa#endif 1661103285Sikob } 1662103285Sikob return; 1663103285Sikob} 1664106815Ssimokawa 1665103285Sikob/* 1666103285Sikob * To allocate uniq transaction label. 1667103285Sikob */ 1668106815Ssimokawastatic int 1669106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1670103285Sikob{ 1671103285Sikob u_int i; 1672103285Sikob struct tlabel *tl, *tmptl; 1673103285Sikob int s; 1674103285Sikob static u_int32_t label = 0; 1675103285Sikob 1676103285Sikob s = splfw(); 1677103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1678103285Sikob label = (label + 1) & 0x3f; 1679103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1680103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1681103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1682103285Sikob } 1683103285Sikob if(tmptl == NULL) { 1684110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1685103285Sikob if (tl == NULL) { 1686103285Sikob splx(s); 1687103285Sikob return (-1); 1688103285Sikob } 1689103285Sikob tl->xfer = xfer; 1690103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1691103285Sikob splx(s); 1692110577Ssimokawa if (firewire_debug > 1) 1693110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1694110577Ssimokawa xfer->dst, label); 1695103285Sikob return(label); 1696103285Sikob } 1697103285Sikob } 1698103285Sikob splx(s); 1699103285Sikob 1700103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1701103285Sikob return(-1); 1702103285Sikob} 1703106815Ssimokawa 1704103285Sikob/* 1705103285Sikob * Generic packet receving process. 1706103285Sikob */ 1707106815Ssimokawavoid 1708106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1709103285Sikob{ 1710103285Sikob struct fw_pkt *fp, *resfp; 1711103285Sikob struct fw_xfer *xfer; 1712103285Sikob struct fw_bind *bind; 1713103285Sikob struct firewire_softc *sc; 1714103285Sikob int s; 1715103285Sikob#if 0 1716103285Sikob { 1717103285Sikob u_int32_t *qld; 1718103285Sikob int i; 1719103285Sikob qld = (u_int32_t *)buf; 1720103285Sikob printf("spd %d len:%d\n", spd, len); 1721103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1722103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1723103285Sikob if((i % 16) == 15) printf("\n"); 1724103285Sikob } 1725103285Sikob if((i % 16) != 15) printf("\n"); 1726103285Sikob } 1727103285Sikob#endif 1728103285Sikob fp = (struct fw_pkt *)(buf + off); 1729103285Sikob switch(fp->mode.common.tcode){ 1730103285Sikob case FWTCODE_WRES: 1731103285Sikob case FWTCODE_RRESQ: 1732103285Sikob case FWTCODE_RRESB: 1733103285Sikob case FWTCODE_LRES: 1734103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1735103285Sikob fp->mode.hdr.tlrt >> 2); 1736103285Sikob if(xfer == NULL) { 1737103285Sikob printf("fw_rcv: unknown response " 1738110891Ssimokawa "tcode=%d src=0x%x tl=0x%x rt=%d data=0x%x\n", 1739103285Sikob fp->mode.common.tcode, 1740103285Sikob ntohs(fp->mode.hdr.src), 1741103285Sikob fp->mode.hdr.tlrt >> 2, 1742103285Sikob fp->mode.hdr.tlrt & 3, 1743103285Sikob fp->mode.rresq.data); 1744103285Sikob#if 1 1745103285Sikob printf("try ad-hoc work around!!\n"); 1746103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1747103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1748103285Sikob if (xfer == NULL) { 1749103285Sikob printf("no use...\n"); 1750103285Sikob goto err; 1751103285Sikob } 1752103285Sikob#else 1753103285Sikob goto err; 1754103285Sikob#endif 1755103285Sikob } 1756103285Sikob switch(xfer->act_type){ 1757103285Sikob case FWACT_XFER: 1758103285Sikob if((xfer->sub >= 0) && 1759103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1760103285Sikob xfer->resp = EINVAL; 1761103285Sikob fw_xfer_done(xfer); 1762103285Sikob goto err; 1763103285Sikob } 1764103285Sikob xfer->recv.len = len; 1765103285Sikob xfer->recv.off = off; 1766103285Sikob xfer->recv.buf = buf; 1767103285Sikob xfer->resp = 0; 1768103285Sikob fw_xfer_done(xfer); 1769103285Sikob return; 1770103285Sikob break; 1771103285Sikob case FWACT_CH: 1772103285Sikob default: 1773103285Sikob goto err; 1774103285Sikob break; 1775103285Sikob } 1776103285Sikob break; 1777103285Sikob case FWTCODE_WREQQ: 1778103285Sikob case FWTCODE_WREQB: 1779103285Sikob case FWTCODE_RREQQ: 1780103285Sikob case FWTCODE_RREQB: 1781103285Sikob case FWTCODE_LREQ: 1782103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1783103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1784103285Sikob if(bind == NULL){ 1785108712Ssimokawa#if __FreeBSD_version >= 500000 1786111615Ssimokawa printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n src=0x%x", 1787108712Ssimokawa#else 1788111615Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x src=0x%x\n", 1789108712Ssimokawa#endif 1790103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1791103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1792111615Ssimokawa fp->mode.common.tcode, 1793111615Ssimokawa fp->mode.hdr.src); 1794103285Sikob if (fc->status == FWBUSRESET) { 1795110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1796103285Sikob goto err; 1797103285Sikob } 1798110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1799103285Sikob if(xfer == NULL){ 1800103285Sikob return; 1801103285Sikob } 1802103285Sikob xfer->spd = spd; 1803110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1804103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1805103285Sikob switch(fp->mode.common.tcode){ 1806103285Sikob case FWTCODE_WREQQ: 1807103285Sikob case FWTCODE_WREQB: 1808103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1809103285Sikob xfer->send.len = 12; 1810103285Sikob break; 1811103285Sikob case FWTCODE_RREQQ: 1812103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1813103285Sikob xfer->send.len = 16; 1814103285Sikob break; 1815103285Sikob case FWTCODE_RREQB: 1816103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1817103285Sikob xfer->send.len = 16; 1818103285Sikob break; 1819103285Sikob case FWTCODE_LREQ: 1820103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1821103285Sikob xfer->send.len = 16; 1822103285Sikob break; 1823103285Sikob } 1824103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1825103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1826103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1827103285Sikob resfp->mode.rresb.rtcode = 7; 1828103285Sikob resfp->mode.rresb.extcode = 0; 1829103285Sikob resfp->mode.rresb.len = 0; 1830103285Sikob/* 1831103285Sikob xfer->act.hand = fw_asy_callback; 1832103285Sikob*/ 1833103285Sikob xfer->act.hand = fw_xfer_free; 1834103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1835103285Sikob fw_xfer_free( xfer); 1836103285Sikob return; 1837103285Sikob } 1838103285Sikob goto err; 1839103285Sikob } 1840103285Sikob switch(bind->xfer->act_type){ 1841103285Sikob case FWACT_XFER: 1842110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1843103285Sikob if(xfer == NULL) goto err; 1844103285Sikob xfer->fc = bind->xfer->fc; 1845103285Sikob xfer->sc = bind->xfer->sc; 1846103285Sikob xfer->recv.buf = buf; 1847103285Sikob xfer->recv.len = len; 1848103285Sikob xfer->recv.off = off; 1849103285Sikob xfer->spd = spd; 1850103285Sikob xfer->act.hand = bind->xfer->act.hand; 1851103285Sikob if (fc->status != FWBUSRESET) 1852103285Sikob xfer->act.hand(xfer); 1853103285Sikob else 1854103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1855103285Sikob return; 1856103285Sikob break; 1857103285Sikob case FWACT_CH: 1858103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1859103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1860108655Ssimokawa device_printf(fc->bdev, 1861108655Ssimokawa "Discard a packet %x %d\n", 1862103285Sikob bind->xfer->sub, 1863103285Sikob fc->ir[bind->xfer->sub]->queued); 1864103285Sikob goto err; 1865103285Sikob } 1866110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1867103285Sikob if(xfer == NULL) goto err; 1868103285Sikob xfer->recv.buf = buf; 1869103285Sikob xfer->recv.len = len; 1870103285Sikob xfer->recv.off = off; 1871103285Sikob xfer->spd = spd; 1872103285Sikob s = splfw(); 1873103285Sikob fc->ir[bind->xfer->sub]->queued++; 1874103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1875103285Sikob splx(s); 1876103285Sikob 1877103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1878103285Sikob 1879103285Sikob return; 1880103285Sikob break; 1881103285Sikob default: 1882103285Sikob goto err; 1883103285Sikob break; 1884103285Sikob } 1885103285Sikob break; 1886103285Sikob case FWTCODE_STREAM: 1887103285Sikob { 1888103285Sikob struct fw_xferq *xferq; 1889103285Sikob 1890103285Sikob xferq = fc->ir[sub]; 1891103285Sikob#if 0 1892103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1893103285Sikob sub, len, off, spd); 1894103285Sikob#endif 1895103285Sikob if(xferq->queued >= xferq->maxq) { 1896103285Sikob printf("receive queue is full\n"); 1897103285Sikob goto err; 1898103285Sikob } 1899110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1900103285Sikob if(xfer == NULL) goto err; 1901103285Sikob xfer->recv.buf = buf; 1902103285Sikob xfer->recv.len = len; 1903103285Sikob xfer->recv.off = off; 1904103285Sikob xfer->spd = spd; 1905103285Sikob s = splfw(); 1906103285Sikob xferq->queued++; 1907103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1908103285Sikob splx(s); 1909103285Sikob sc = device_get_softc(fc->bdev); 1910103285Sikob#if __FreeBSD_version >= 500000 1911103285Sikob if (SEL_WAITING(&xferq->rsel)) 1912103285Sikob#else 1913103285Sikob if (&xferq->rsel.si_pid != 0) 1914103285Sikob#endif 1915103285Sikob selwakeup(&xferq->rsel); 1916103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1917103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1918103285Sikob wakeup((caddr_t)xferq); 1919103285Sikob } 1920103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1921103285Sikob xferq->hand(xferq); 1922103285Sikob } 1923103285Sikob return; 1924103285Sikob break; 1925103285Sikob } 1926103285Sikob default: 1927103285Sikob printf("fw_rcv: unknow tcode\n"); 1928103285Sikob break; 1929103285Sikob } 1930103285Sikoberr: 1931110195Ssimokawa free(buf, M_FW); 1932103285Sikob} 1933106815Ssimokawa 1934103285Sikob/* 1935103285Sikob * Post process for Bus Manager election process. 1936103285Sikob */ 1937103285Sikobstatic void 1938103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1939103285Sikob{ 1940109422Ssimokawa struct fw_pkt *rfp; 1941103285Sikob struct firewire_comm *fc; 1942109422Ssimokawa int bmr; 1943103285Sikob 1944109422Ssimokawa if (xfer == NULL) 1945109422Ssimokawa return; 1946103285Sikob fc = xfer->fc; 1947109422Ssimokawa if (xfer->resp != 0) 1948103285Sikob goto error; 1949109422Ssimokawa if (xfer->send.buf == NULL) 1950103285Sikob goto error; 1951109422Ssimokawa if (xfer->recv.buf == NULL) 1952103285Sikob goto error; 1953103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1954109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1955109422Ssimokawa goto error; 1956109422Ssimokawa 1957109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1958109422Ssimokawa if (bmr == 0x3f) 1959109422Ssimokawa bmr = fc->nodeid; 1960109422Ssimokawa 1961109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1962108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 1963108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1964109422Ssimokawa if(bmr == fc->nodeid){ 1965103285Sikob printf("(me)\n"); 1966110072Ssimokawa fw_bmr(fc); 1967103285Sikob }else{ 1968103285Sikob printf("\n"); 1969103285Sikob } 1970103285Sikoberror: 1971103285Sikob fw_xfer_free(xfer); 1972103285Sikob} 1973106815Ssimokawa 1974103285Sikob/* 1975103285Sikob * To candidate Bus Manager election process. 1976103285Sikob */ 1977110270Ssimokawastatic void 1978106815Ssimokawafw_try_bmr(void *arg) 1979103285Sikob{ 1980103285Sikob struct fw_xfer *xfer; 1981103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1982103285Sikob struct fw_pkt *fp; 1983103285Sikob int err = 0; 1984103285Sikob 1985110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1986103285Sikob if(xfer == NULL){ 1987103285Sikob return; 1988103285Sikob } 1989103285Sikob xfer->send.len = 24; 1990103285Sikob xfer->spd = 0; 1991110195Ssimokawa xfer->send.buf = malloc(24, M_FW, M_NOWAIT); 1992103285Sikob if(xfer->send.buf == NULL){ 1993103285Sikob fw_xfer_free( xfer); 1994103285Sikob return; 1995103285Sikob } 1996103285Sikob 1997103285Sikob fc->status = FWBUSMGRELECT; 1998103285Sikob 1999103285Sikob xfer->send.off = 0; 2000103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2001103285Sikob fp->mode.lreq.dest_hi = htons(0xffff); 2002103285Sikob fp->mode.lreq.tlrt = 0; 2003103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2004103285Sikob fp->mode.lreq.pri = 0; 2005103285Sikob fp->mode.lreq.src = 0; 2006103285Sikob fp->mode.lreq.len = htons(8); 2007103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 2008103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2009103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 2010103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 2011109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 2012109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 2013103285Sikob xfer->act_type = FWACT_XFER; 2014103285Sikob xfer->act.hand = fw_try_bmr_callback; 2015103285Sikob 2016103285Sikob err = fw_asyreq(fc, -1, xfer); 2017103285Sikob if(err){ 2018103285Sikob fw_xfer_free( xfer); 2019103285Sikob return; 2020103285Sikob } 2021103285Sikob return; 2022103285Sikob} 2023106543Ssimokawa 2024106543Ssimokawa#ifdef FW_VMACCESS 2025103285Sikob/* 2026103285Sikob * Software implementation for physical memory block access. 2027103285Sikob * XXX:Too slow, usef for debug purpose only. 2028103285Sikob */ 2029106815Ssimokawastatic void 2030106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2031103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2032103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 2033103285Sikob 2034103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 2035103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2036103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2037103285Sikob if(xfer->resp != 0){ 2038103285Sikob fw_xfer_free( xfer); 2039103285Sikob return; 2040103285Sikob } 2041103285Sikob if(xfer->recv.buf == NULL){ 2042103285Sikob fw_xfer_free( xfer); 2043103285Sikob return; 2044103285Sikob } 2045103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2046103285Sikob switch(rfp->mode.hdr.tcode){ 2047103285Sikob /* XXX need fix for 64bit arch */ 2048103285Sikob case FWTCODE_WREQB: 2049110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2050103285Sikob xfer->send.len = 12; 2051103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2052103285Sikob bcopy(rfp->mode.wreqb.payload, 2053103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2054103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2055103285Sikob sfp->mode.wres.rtcode = 0; 2056103285Sikob break; 2057103285Sikob case FWTCODE_WREQQ: 2058110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2059103285Sikob xfer->send.len = 12; 2060103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2061103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2062103285Sikob sfp->mode.wres.rtcode = 0; 2063103285Sikob break; 2064103285Sikob case FWTCODE_RREQB: 2065110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2066103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2067103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2068103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2069103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2070103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2071103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2072103285Sikob sfp->mode.rresb.rtcode = 0; 2073103285Sikob sfp->mode.rresb.extcode = 0; 2074103285Sikob break; 2075103285Sikob case FWTCODE_RREQQ: 2076110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2077103285Sikob xfer->send.len = 16; 2078103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2079103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2080103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2081103285Sikob sfp->mode.rresb.rtcode = 0; 2082103285Sikob break; 2083103285Sikob default: 2084103285Sikob fw_xfer_free( xfer); 2085103285Sikob return; 2086103285Sikob } 2087103285Sikob xfer->send.off = 0; 2088103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2089103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2090103285Sikob xfer->act.hand = fw_xfer_free; 2091103285Sikob xfer->retry_req = fw_asybusy; 2092103285Sikob 2093103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2094103285Sikob sfp->mode.hdr.pri = 0; 2095103285Sikob 2096103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2097103285Sikob/**/ 2098103285Sikob return; 2099103285Sikob} 2100106543Ssimokawa#endif 2101106543Ssimokawa 2102103285Sikob/* 2103103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2104103285Sikob */ 2105106815Ssimokawau_int16_t 2106106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2107103285Sikob u_int32_t i, sum, crc = 0; 2108103285Sikob int shift; 2109103285Sikob len = (len + 3) & ~3; 2110103285Sikob for(i = 0 ; i < len ; i+= 4){ 2111103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2112103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2113103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2114103285Sikob } 2115103285Sikob crc &= 0xffff; 2116103285Sikob } 2117103285Sikob return((u_int16_t) crc); 2118103285Sikob} 2119106815Ssimokawa 2120110270Ssimokawastatic int 2121110072Ssimokawafw_bmr(struct firewire_comm *fc) 2122110072Ssimokawa{ 2123110072Ssimokawa struct fw_device fwdev; 2124110072Ssimokawa int cmstr; 2125110072Ssimokawa 2126110072Ssimokawa /* XXX Assume that the current root node is cycle master capable */ 2127110072Ssimokawa cmstr = fc->max_node; 2128110072Ssimokawa /* If I am the bus manager, optimize gapcount */ 2129110072Ssimokawa if(fc->max_hop <= MAX_GAPHOP ){ 2130110072Ssimokawa fw_phy_config(fc, (fc->max_node > 0)?cmstr:-1, 2131110072Ssimokawa gap_cnt[fc->max_hop]); 2132110072Ssimokawa } 2133110072Ssimokawa /* If we are the cycle master, nothing to do */ 2134110072Ssimokawa if (cmstr == fc->nodeid) 2135110072Ssimokawa return 0; 2136110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2137110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2138110072Ssimokawa fwdev.fc = fc; 2139110072Ssimokawa fwdev.dst = cmstr; 2140110072Ssimokawa fwdev.speed = 0; 2141110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2142110072Ssimokawa fwdev.status = FWDEVINIT; 2143110072Ssimokawa /* Set cmstr bit on the cycle master */ 2144110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2145110072Ssimokawa 0xffff, 0xf0000000 | STATE_SET, 1 << 16, 2146110072Ssimokawa fw_asy_callback_free); 2147110072Ssimokawa 2148110072Ssimokawa return 0; 2149110072Ssimokawa} 2150110072Ssimokawa 2151103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2152103285SikobMODULE_VERSION(firewire, 1); 2153