firewire.c revision 119289
1103285Sikob/* 2113584Ssimokawa * Copyright (c) 2003 Hidetoshi Shimokawa 3103285Sikob * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4103285Sikob * All rights reserved. 5103285Sikob * 6103285Sikob * Redistribution and use in source and binary forms, with or without 7103285Sikob * modification, are permitted provided that the following conditions 8103285Sikob * are met: 9103285Sikob * 1. Redistributions of source code must retain the above copyright 10103285Sikob * notice, this list of conditions and the following disclaimer. 11103285Sikob * 2. Redistributions in binary form must reproduce the above copyright 12103285Sikob * notice, this list of conditions and the following disclaimer in the 13103285Sikob * documentation and/or other materials provided with the distribution. 14103285Sikob * 3. All advertising materials mentioning features or use of this software 15103285Sikob * must display the acknowledgement as bellow: 16103285Sikob * 17103285Sikob * This product includes software developed by K. Kobayashi and H. Shimokawa 18103285Sikob * 19103285Sikob * 4. The name of the author may not be used to endorse or promote products 20103285Sikob * derived from this software without specific prior written permission. 21103285Sikob * 22103285Sikob * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23103285Sikob * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24103285Sikob * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25103285Sikob * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26103285Sikob * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27103285Sikob * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28103285Sikob * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29103285Sikob * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30103285Sikob * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31103285Sikob * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32103285Sikob * POSSIBILITY OF SUCH DAMAGE. 33103285Sikob * 34103285Sikob * $FreeBSD: head/sys/dev/firewire/firewire.c 119289 2003-08-22 07:30:41Z simokawa $ 35103285Sikob * 36103285Sikob */ 37103285Sikob 38103285Sikob#include <sys/param.h> 39103285Sikob#include <sys/systm.h> 40103285Sikob#include <sys/types.h> 41103285Sikob 42103285Sikob#include <sys/kernel.h> 43103285Sikob#include <sys/malloc.h> 44103285Sikob#include <sys/conf.h> 45103285Sikob#include <sys/sysctl.h> 46103285Sikob 47117067Ssimokawa#if __FreeBSD_version < 500000 48117067Ssimokawa#include <machine/clock.h> /* for DELAY() */ 49117067Ssimokawa#endif 50103285Sikob 51103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 52113584Ssimokawa#include <machine/bus.h> 53103285Sikob 54103285Sikob#include <dev/firewire/firewire.h> 55103285Sikob#include <dev/firewire/firewirereg.h> 56110072Ssimokawa#include <dev/firewire/fwmem.h> 57103285Sikob#include <dev/firewire/iec13213.h> 58103285Sikob#include <dev/firewire/iec68113.h> 59103285Sikob 60116376Ssimokawastruct crom_src_buf { 61116376Ssimokawa struct crom_src src; 62116376Ssimokawa struct crom_chunk root; 63116376Ssimokawa struct crom_chunk vendor; 64116376Ssimokawa struct crom_chunk hw; 65116376Ssimokawa}; 66116376Ssimokawa 67109736Ssimokawaint firewire_debug=0, try_bmr=1; 68103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 69108281Ssimokawa "FireWire driver debug flag"); 70109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 71109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 72109736Ssimokawa "Try to be a bus manager"); 73103285Sikob 74110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 75110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 76110195Ssimokawa 77103285Sikob#define FW_MAXASYRTY 4 78103285Sikob#define FW_MAXDEVRCNT 4 79103285Sikob 80103285Sikobdevclass_t firewire_devclass; 81103285Sikob 82103285Sikobstatic int firewire_match __P((device_t)); 83103285Sikobstatic int firewire_attach __P((device_t)); 84103285Sikobstatic int firewire_detach __P((device_t)); 85116978Ssimokawastatic int firewire_resume __P((device_t)); 86103285Sikob#if 0 87103285Sikobstatic int firewire_shutdown __P((device_t)); 88103285Sikob#endif 89103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 90103285Sikobstatic void fw_try_bmr __P((void *)); 91103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 92103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 93103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 94103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 95103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 96103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 97103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 98106543Ssimokawa#ifdef FW_VMACCESS 99103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 100106543Ssimokawa#endif 101103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 102105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 103110072Ssimokawastatic int fw_bmr __P((struct firewire_comm *)); 104103285Sikob 105103285Sikobstatic device_method_t firewire_methods[] = { 106103285Sikob /* Device interface */ 107103285Sikob DEVMETHOD(device_probe, firewire_match), 108103285Sikob DEVMETHOD(device_attach, firewire_attach), 109103285Sikob DEVMETHOD(device_detach, firewire_detach), 110108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 111116978Ssimokawa DEVMETHOD(device_resume, firewire_resume), 112103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 113103285Sikob 114103285Sikob /* Bus interface */ 115103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 116103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 117103285Sikob 118103285Sikob { 0, 0 } 119103285Sikob}; 120103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 121103285Sikob 122114909Ssimokawa/* IEEE-1394a Table C-2 Gap count as a function of hops*/ 123114909Ssimokawa#define MAX_GAPHOP 15 124114909Ssimokawau_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18, 125114909Ssimokawa 21, 24, 26, 29, 32, 35, 37, 40}; 126106813Ssimokawa 127103285Sikobstatic driver_t firewire_driver = { 128103285Sikob "firewire", 129103285Sikob firewire_methods, 130103285Sikob sizeof(struct firewire_softc), 131103285Sikob}; 132103285Sikob 133103285Sikob/* 134110072Ssimokawa * Lookup fwdev by node id. 135103285Sikob */ 136106810Ssimokawastruct fw_device * 137110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 138103285Sikob{ 139103285Sikob struct fw_device *fwdev; 140110072Ssimokawa int s; 141110072Ssimokawa 142110072Ssimokawa s = splfw(); 143110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 144110072Ssimokawa if (fwdev->dst == dst) 145103285Sikob break; 146110072Ssimokawa splx(s); 147110072Ssimokawa 148106810Ssimokawa if(fwdev == NULL) return NULL; 149106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 150106810Ssimokawa return fwdev; 151103285Sikob} 152106813Ssimokawa 153103285Sikob/* 154110072Ssimokawa * Lookup fwdev by EUI64. 155110072Ssimokawa */ 156110072Ssimokawastruct fw_device * 157110582Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 158110072Ssimokawa{ 159110072Ssimokawa struct fw_device *fwdev; 160110072Ssimokawa int s; 161110072Ssimokawa 162110072Ssimokawa s = splfw(); 163110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 164110582Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 165110072Ssimokawa break; 166110072Ssimokawa splx(s); 167110072Ssimokawa 168110072Ssimokawa if(fwdev == NULL) return NULL; 169110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 170110072Ssimokawa return fwdev; 171110072Ssimokawa} 172110072Ssimokawa 173110072Ssimokawa/* 174103285Sikob * Async. request procedure for userland application. 175103285Sikob */ 176103285Sikobint 177103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 178103285Sikob{ 179103285Sikob int err = 0; 180103285Sikob struct fw_xferq *xferq; 181103285Sikob int tl = 0, len; 182103285Sikob struct fw_pkt *fp; 183103285Sikob int tcode; 184103285Sikob struct tcode_info *info; 185103285Sikob 186103285Sikob if(xfer == NULL) return EINVAL; 187108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 188103285Sikob printf("send.len > maxrec\n"); 189103285Sikob return EINVAL; 190103285Sikob } 191103285Sikob if(xfer->act.hand == NULL){ 192103285Sikob printf("act.hand == NULL\n"); 193103285Sikob return EINVAL; 194103285Sikob } 195103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 196103285Sikob 197103285Sikob tcode = fp->mode.common.tcode & 0xf; 198103285Sikob info = &fc->tcode[tcode]; 199103285Sikob if (info->flag == 0) { 200103285Sikob printf("invalid tcode=%d\n", tcode); 201103285Sikob return EINVAL; 202103285Sikob } 203103285Sikob if (info->flag & FWTI_REQ) 204103285Sikob xferq = fc->atq; 205103285Sikob else 206103285Sikob xferq = fc->ats; 207103285Sikob len = info->hdr_len; 208103285Sikob if (info->flag & FWTI_BLOCK_STR) 209113584Ssimokawa len += fp->mode.stream.len; 210103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 211113584Ssimokawa len += fp->mode.rresb.len; 212103285Sikob if( len > xfer->send.len ){ 213103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 214103285Sikob len, xfer->send.len, tcode); 215103285Sikob return EINVAL; 216103285Sikob } 217103285Sikob xfer->send.len = len; 218106790Ssimokawa 219103285Sikob if(xferq->start == NULL){ 220103285Sikob printf("xferq->start == NULL\n"); 221103285Sikob return EINVAL; 222103285Sikob } 223103285Sikob if(!(xferq->queued < xferq->maxq)){ 224108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 225108655Ssimokawa xferq->queued); 226103285Sikob return EINVAL; 227103285Sikob } 228103285Sikob 229103285Sikob 230103285Sikob if (info->flag & FWTI_TLABEL) { 231103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 232103285Sikob return EIO; 233103285Sikob fp->mode.hdr.tlrt = tl << 2; 234103285Sikob } 235103285Sikob 236103285Sikob xfer->tl = tl; 237103285Sikob xfer->resp = 0; 238103285Sikob xfer->fc = fc; 239103285Sikob xfer->q = xferq; 240103285Sikob xfer->retry_req = fw_asybusy; 241103285Sikob 242103285Sikob fw_asystart(xfer); 243103285Sikob return err; 244103285Sikob} 245103285Sikob/* 246103285Sikob * Wakeup blocked process. 247103285Sikob */ 248103285Sikobvoid 249103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 250103285Sikob wakeup(xfer); 251103285Sikob return; 252103285Sikob} 253103285Sikob/* 254103285Sikob * Postpone to later retry. 255103285Sikob */ 256103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 257103285Sikob printf("fw_asybusy\n"); 258103285Sikob/* 259103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 260103285Sikob*/ 261103285Sikob DELAY(20000); 262103285Sikob fw_asystart(xfer); 263103285Sikob return; 264103285Sikob} 265103285Sikob 266103285Sikob/* 267103285Sikob * Async. request with given xfer structure. 268103285Sikob */ 269106790Ssimokawastatic void 270106790Ssimokawafw_asystart(struct fw_xfer *xfer) 271106790Ssimokawa{ 272103285Sikob struct firewire_comm *fc = xfer->fc; 273103285Sikob int s; 274103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 275113584Ssimokawa device_printf(fc->bdev, "max_asyretry exceeded\n"); 276103285Sikob xfer->resp = EBUSY; 277103285Sikob xfer->state = FWXF_BUSY; 278103285Sikob xfer->act.hand(xfer); 279103285Sikob return; 280103285Sikob } 281103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 282103285Sikob if (fc->status < FWBUSEXPLORE) { 283103285Sikob xfer->resp = EAGAIN; 284103285Sikob xfer->state = FWXF_BUSY; 285103285Sikob if (xfer->act.hand != NULL) 286103285Sikob xfer->act.hand(xfer); 287103285Sikob return; 288103285Sikob } 289103285Sikob#endif 290103285Sikob s = splfw(); 291103285Sikob xfer->state = FWXF_INQ; 292103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 293103285Sikob xfer->q->queued ++; 294103285Sikob splx(s); 295103285Sikob /* XXX just queue for mbuf */ 296103285Sikob if (xfer->mbuf == NULL) 297103285Sikob xfer->q->start(fc); 298103285Sikob return; 299103285Sikob} 300106790Ssimokawa 301103285Sikobstatic int 302103285Sikobfirewire_match( device_t dev ) 303103285Sikob{ 304108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 305103285Sikob return -140; 306103285Sikob} 307106790Ssimokawa 308110577Ssimokawastatic void 309110577Ssimokawafirewire_xfer_timeout(struct firewire_comm *fc) 310110577Ssimokawa{ 311110577Ssimokawa struct fw_xfer *xfer; 312110577Ssimokawa struct tlabel *tl; 313110577Ssimokawa struct timeval tv; 314110577Ssimokawa struct timeval split_timeout; 315111040Ssimokawa int i, s; 316110577Ssimokawa 317110891Ssimokawa split_timeout.tv_sec = 6; 318110577Ssimokawa split_timeout.tv_usec = 0; 319110577Ssimokawa 320110577Ssimokawa microtime(&tv); 321110577Ssimokawa timevalsub(&tv, &split_timeout); 322110577Ssimokawa 323111040Ssimokawa s = splfw(); 324110577Ssimokawa for (i = 0; i < 0x40; i ++) { 325110577Ssimokawa while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 326110577Ssimokawa xfer = tl->xfer; 327110577Ssimokawa if (timevalcmp(&xfer->tv, &tv, >)) 328110577Ssimokawa /* the rests are newer than this */ 329110577Ssimokawa break; 330110577Ssimokawa device_printf(fc->bdev, 331117716Ssimokawa "split transaction timeout dst=0x%x tl=0x%x state=%d\n", 332117716Ssimokawa xfer->dst, i, xfer->state); 333110577Ssimokawa xfer->resp = ETIMEDOUT; 334110577Ssimokawa STAILQ_REMOVE_HEAD(&fc->tlabels[i], link); 335113584Ssimokawa fw_xfer_done(xfer); 336110577Ssimokawa } 337110577Ssimokawa } 338111040Ssimokawa splx(s); 339110577Ssimokawa} 340110577Ssimokawa 341110577Ssimokawastatic void 342110577Ssimokawafirewire_watchdog(void *arg) 343110577Ssimokawa{ 344110577Ssimokawa struct firewire_comm *fc; 345110577Ssimokawa 346110577Ssimokawa fc = (struct firewire_comm *)arg; 347110577Ssimokawa firewire_xfer_timeout(fc); 348110577Ssimokawa fc->timeout(fc); 349110577Ssimokawa callout_reset(&fc->timeout_callout, hz, 350110577Ssimokawa (void *)firewire_watchdog, (void *)fc); 351110577Ssimokawa} 352110577Ssimokawa 353103285Sikob/* 354103285Sikob * The attach routine. 355103285Sikob */ 356103285Sikobstatic int 357118455Ssimokawafirewire_attach(device_t dev) 358103285Sikob{ 359118455Ssimokawa int unit; 360103285Sikob struct firewire_softc *sc = device_get_softc(dev); 361103285Sikob device_t pa = device_get_parent(dev); 362103285Sikob struct firewire_comm *fc; 363103285Sikob 364103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 365103285Sikob sc->fc = fc; 366116978Ssimokawa fc->status = FWBUSNOTREADY; 367103285Sikob 368118455Ssimokawa unit = device_get_unit(dev); 369118455Ssimokawa if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 370103285Sikob 371118455Ssimokawa fwdev_makedev(sc); 372118455Ssimokawa 373110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 374110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 375110193Ssimokawa CALLOUT_INIT(&sc->fc->retry_probe_callout); 376110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 377108853Ssimokawa 378110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 379110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 380110193Ssimokawa 381103285Sikob /* Locate our children */ 382103285Sikob bus_generic_probe(dev); 383103285Sikob 384103285Sikob /* launch attachement of the added children */ 385103285Sikob bus_generic_attach(dev); 386103285Sikob 387103285Sikob /* bus_reset */ 388103285Sikob fc->ibr(fc); 389103285Sikob 390103285Sikob return 0; 391103285Sikob} 392103285Sikob 393103285Sikob/* 394103285Sikob * Attach it as child. 395103285Sikob */ 396103285Sikobstatic device_t 397103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 398103285Sikob{ 399103285Sikob device_t child; 400103285Sikob struct firewire_softc *sc; 401103285Sikob 402103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 403103285Sikob child = device_add_child(dev, name, unit); 404103285Sikob if (child) { 405103285Sikob device_set_ivars(child, sc->fc); 406103285Sikob device_probe_and_attach(child); 407103285Sikob } 408103285Sikob 409103285Sikob return child; 410103285Sikob} 411106790Ssimokawa 412116978Ssimokawastatic int 413116978Ssimokawafirewire_resume(device_t dev) 414116978Ssimokawa{ 415116978Ssimokawa struct firewire_softc *sc; 416116978Ssimokawa 417116978Ssimokawa sc = (struct firewire_softc *)device_get_softc(dev); 418116978Ssimokawa sc->fc->status = FWBUSNOTREADY; 419116978Ssimokawa 420116978Ssimokawa bus_generic_resume(dev); 421116978Ssimokawa 422116978Ssimokawa return(0); 423116978Ssimokawa} 424116978Ssimokawa 425103285Sikob/* 426103285Sikob * Dettach it. 427103285Sikob */ 428103285Sikobstatic int 429118455Ssimokawafirewire_detach(device_t dev) 430103285Sikob{ 431103285Sikob struct firewire_softc *sc; 432111074Ssimokawa struct csrdir *csrd, *next; 433111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 434118455Ssimokawa int err; 435103285Sikob 436103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 437118455Ssimokawa if ((err = fwdev_destroydev(sc)) != 0) 438118455Ssimokawa return err; 439106790Ssimokawa 440118455Ssimokawa if ((err = bus_generic_detach(dev)) != 0) 441118455Ssimokawa return err; 442111078Ssimokawa 443111078Ssimokawa callout_stop(&sc->fc->timeout_callout); 444111078Ssimokawa callout_stop(&sc->fc->bmr_callout); 445111078Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 446111078Ssimokawa callout_stop(&sc->fc->busprobe_callout); 447111078Ssimokawa 448103285Sikob /* XXX xfree_free and untimeout on all xfers */ 449111078Ssimokawa for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 450111078Ssimokawa fwdev = fwdev_next) { 451111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 452111078Ssimokawa free(fwdev, M_FW); 453111078Ssimokawa } 454111074Ssimokawa for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 455111074Ssimokawa next = SLIST_NEXT(csrd, link); 456111074Ssimokawa free(csrd, M_FW); 457111074Ssimokawa } 458110195Ssimokawa free(sc->fc->topology_map, M_FW); 459110195Ssimokawa free(sc->fc->speed_map, M_FW); 460116376Ssimokawa free(sc->fc->crom_src_buf, M_FW); 461103285Sikob return(0); 462103285Sikob} 463103285Sikob#if 0 464103285Sikobstatic int 465103285Sikobfirewire_shutdown( device_t dev ) 466103285Sikob{ 467103285Sikob return 0; 468103285Sikob} 469103285Sikob#endif 470106790Ssimokawa 471110577Ssimokawa 472110577Ssimokawastatic void 473110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 474110577Ssimokawa{ 475110577Ssimokawa struct fw_xfer *xfer; 476110577Ssimokawa 477110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 478110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 479111942Ssimokawa xferq->queued --; 480110577Ssimokawa xfer->resp = EAGAIN; 481113584Ssimokawa fw_xfer_done(xfer); 482110577Ssimokawa } 483110577Ssimokawa} 484110577Ssimokawa 485110798Ssimokawavoid 486110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 487110798Ssimokawa{ 488110798Ssimokawa int i; 489110798Ssimokawa 490110798Ssimokawa fw_xferq_drain(fc->atq); 491110798Ssimokawa fw_xferq_drain(fc->ats); 492110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 493110798Ssimokawa fw_xferq_drain(fc->it[i]); 494110798Ssimokawa} 495110798Ssimokawa 496116376Ssimokawastatic void 497116376Ssimokawafw_reset_csr(struct firewire_comm *fc) 498103285Sikob{ 499103285Sikob int i; 500103285Sikob 501103285Sikob CSRARC(fc, STATE_CLEAR) 502103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 503103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 504103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 505103285Sikob 506103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 507103285Sikob fc->irm = -1; 508103285Sikob 509103285Sikob fc->max_node = -1; 510103285Sikob 511103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 512103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 513103285Sikob } 514103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 515103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 516103285Sikob CSRARC(fc, RESET_START) = 0; 517103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 518103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 519103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 520103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 521103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 522103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 523103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 524103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 525103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 526103285Sikob 527103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 528103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 529103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 530103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 531103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 532103285Sikob 533103285Sikob/* DV depend CSRs see blue book */ 534103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 535103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 536103285Sikob 537103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 538103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 539116376Ssimokawa} 540113584Ssimokawa 541116376Ssimokawastatic void 542116376Ssimokawafw_init_crom(struct firewire_comm *fc) 543116376Ssimokawa{ 544116376Ssimokawa struct crom_src *src; 545116376Ssimokawa 546116376Ssimokawa fc->crom_src_buf = (struct crom_src_buf *) 547116376Ssimokawa malloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO); 548116376Ssimokawa if (fc->crom_src_buf == NULL) 549116376Ssimokawa return; 550116376Ssimokawa 551116376Ssimokawa src = &fc->crom_src_buf->src; 552116376Ssimokawa bzero(src, sizeof(struct crom_src)); 553116376Ssimokawa 554116376Ssimokawa /* BUS info sample */ 555116376Ssimokawa src->hdr.info_len = 4; 556116376Ssimokawa 557116376Ssimokawa src->businfo.bus_name = CSR_BUS_NAME_IEEE1394; 558116376Ssimokawa 559116376Ssimokawa src->businfo.irmc = 1; 560116376Ssimokawa src->businfo.cmc = 1; 561116376Ssimokawa src->businfo.isc = 1; 562116376Ssimokawa src->businfo.bmc = 1; 563116376Ssimokawa src->businfo.pmc = 0; 564116376Ssimokawa src->businfo.cyc_clk_acc = 100; 565116376Ssimokawa src->businfo.max_rec = fc->maxrec; 566116376Ssimokawa src->businfo.max_rom = MAXROM_4; 567117350Ssimokawa src->businfo.generation = 1; 568116376Ssimokawa src->businfo.link_spd = fc->speed; 569116376Ssimokawa 570116376Ssimokawa src->businfo.eui64.hi = fc->eui.hi; 571116376Ssimokawa src->businfo.eui64.lo = fc->eui.lo; 572116376Ssimokawa 573116376Ssimokawa STAILQ_INIT(&src->chunk_list); 574116376Ssimokawa 575116376Ssimokawa fc->crom_src = src; 576116376Ssimokawa fc->crom_root = &fc->crom_src_buf->root; 577116376Ssimokawa} 578116376Ssimokawa 579116376Ssimokawastatic void 580116376Ssimokawafw_reset_crom(struct firewire_comm *fc) 581116376Ssimokawa{ 582116376Ssimokawa struct crom_src_buf *buf; 583116376Ssimokawa struct crom_src *src; 584116376Ssimokawa struct crom_chunk *root; 585116376Ssimokawa 586116376Ssimokawa if (fc->crom_src_buf == NULL) 587116376Ssimokawa fw_init_crom(fc); 588116376Ssimokawa 589116376Ssimokawa buf = fc->crom_src_buf; 590116376Ssimokawa src = fc->crom_src; 591116376Ssimokawa root = fc->crom_root; 592116376Ssimokawa 593116376Ssimokawa STAILQ_INIT(&src->chunk_list); 594116376Ssimokawa 595116376Ssimokawa bzero(root, sizeof(struct crom_chunk)); 596116376Ssimokawa crom_add_chunk(src, NULL, root, 0); 597116376Ssimokawa crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */ 598116376Ssimokawa /* private company_id */ 599116376Ssimokawa crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE); 600116376Ssimokawa crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project"); 601116376Ssimokawa crom_add_entry(root, CSRKEY_HW, __FreeBSD_version); 602116376Ssimokawa crom_add_simple_text(src, root, &buf->hw, hostname); 603116376Ssimokawa} 604116376Ssimokawa 605116376Ssimokawa/* 606116376Ssimokawa * Called after bus reset. 607116376Ssimokawa */ 608116376Ssimokawavoid 609116376Ssimokawafw_busreset(struct firewire_comm *fc) 610116376Ssimokawa{ 611116376Ssimokawa struct firewire_dev_comm *fdc; 612117350Ssimokawa struct crom_src *src; 613116376Ssimokawa device_t *devlistp; 614117350Ssimokawa void *newrom; 615116376Ssimokawa int i, devcnt; 616116376Ssimokawa 617116376Ssimokawa switch(fc->status){ 618116376Ssimokawa case FWBUSMGRELECT: 619116376Ssimokawa callout_stop(&fc->bmr_callout); 620116376Ssimokawa break; 621116376Ssimokawa default: 622116376Ssimokawa break; 623116376Ssimokawa } 624116376Ssimokawa fc->status = FWBUSRESET; 625116376Ssimokawa fw_reset_csr(fc); 626116376Ssimokawa fw_reset_crom(fc); 627116376Ssimokawa 628113584Ssimokawa if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) { 629113584Ssimokawa for( i = 0 ; i < devcnt ; i++) 630113584Ssimokawa if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 631113584Ssimokawa fdc = device_get_softc(devlistp[i]); 632113584Ssimokawa if (fdc->post_busreset != NULL) 633113584Ssimokawa fdc->post_busreset(fdc); 634113584Ssimokawa } 635113584Ssimokawa free(devlistp, M_TEMP); 636113584Ssimokawa } 637116376Ssimokawa 638117350Ssimokawa newrom = malloc(CROMSIZE, M_FW, M_NOWAIT | M_ZERO); 639117350Ssimokawa src = &fc->crom_src_buf->src; 640117350Ssimokawa crom_load(src, (u_int32_t *)newrom, CROMSIZE); 641117350Ssimokawa if (bcmp(newrom, fc->config_rom, CROMSIZE) != 0) { 642117350Ssimokawa /* bump generation and reload */ 643117350Ssimokawa src->businfo.generation ++; 644117350Ssimokawa /* generation must be between 0x2 and 0xF */ 645117350Ssimokawa if (src->businfo.generation < 2) 646117350Ssimokawa src->businfo.generation ++; 647117350Ssimokawa crom_load(src, (u_int32_t *)newrom, CROMSIZE); 648117350Ssimokawa bcopy(newrom, (void *)fc->config_rom, CROMSIZE); 649117350Ssimokawa } 650117350Ssimokawa free(newrom, M_FW); 651103285Sikob} 652106790Ssimokawa 653103285Sikob/* Call once after reboot */ 654106790Ssimokawavoid fw_init(struct firewire_comm *fc) 655103285Sikob{ 656103285Sikob int i; 657106543Ssimokawa struct csrdir *csrd; 658106543Ssimokawa#ifdef FW_VMACCESS 659103285Sikob struct fw_xfer *xfer; 660103285Sikob struct fw_bind *fwb; 661106543Ssimokawa#endif 662103285Sikob 663103285Sikob fc->max_asyretry = FW_MAXASYRTY; 664103285Sikob 665103285Sikob fc->arq->queued = 0; 666103285Sikob fc->ars->queued = 0; 667103285Sikob fc->atq->queued = 0; 668103285Sikob fc->ats->queued = 0; 669103285Sikob 670103285Sikob fc->arq->buf = NULL; 671103285Sikob fc->ars->buf = NULL; 672103285Sikob fc->atq->buf = NULL; 673103285Sikob fc->ats->buf = NULL; 674103285Sikob 675113584Ssimokawa fc->arq->flag = 0; 676113584Ssimokawa fc->ars->flag = 0; 677113584Ssimokawa fc->atq->flag = 0; 678113584Ssimokawa fc->ats->flag = 0; 679103285Sikob 680103285Sikob STAILQ_INIT(&fc->atq->q); 681103285Sikob STAILQ_INIT(&fc->ats->q); 682103285Sikob 683103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 684103285Sikob fc->it[i]->queued = 0; 685103285Sikob fc->ir[i]->queued = 0; 686103285Sikob 687103285Sikob fc->it[i]->start = NULL; 688103285Sikob fc->ir[i]->start = NULL; 689103285Sikob 690103285Sikob fc->it[i]->buf = NULL; 691103285Sikob fc->ir[i]->buf = NULL; 692103285Sikob 693103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 694103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 695103285Sikob 696103285Sikob STAILQ_INIT(&fc->it[i]->q); 697103285Sikob STAILQ_INIT(&fc->ir[i]->q); 698103285Sikob 699103285Sikob STAILQ_INIT(&fc->it[i]->binds); 700103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 701103285Sikob } 702103285Sikob 703103285Sikob fc->arq->maxq = FWMAXQUEUE; 704103285Sikob fc->ars->maxq = FWMAXQUEUE; 705103285Sikob fc->atq->maxq = FWMAXQUEUE; 706103285Sikob fc->ats->maxq = FWMAXQUEUE; 707103285Sikob 708103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 709103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 710103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 711103285Sikob } 712103285Sikob/* Initialize csr registers */ 713103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 714103285Sikob sizeof(struct fw_topology_map), 715110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 716103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 717103285Sikob sizeof(struct fw_speed_map), 718110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 719103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 720103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 721103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 722103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 723103285Sikob 724110193Ssimokawa STAILQ_INIT(&fc->devices); 725103285Sikob STAILQ_INIT(&fc->pending); 726103285Sikob 727103285Sikob/* Initialize csr ROM work space */ 728103285Sikob SLIST_INIT(&fc->ongocsr); 729103285Sikob SLIST_INIT(&fc->csrfree); 730103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 731110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 732103285Sikob if(csrd == NULL) break; 733103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 734103285Sikob } 735103285Sikob 736103285Sikob/* Initialize Async handlers */ 737103285Sikob STAILQ_INIT(&fc->binds); 738103285Sikob for( i = 0 ; i < 0x40 ; i++){ 739103285Sikob STAILQ_INIT(&fc->tlabels[i]); 740103285Sikob } 741103285Sikob 742103285Sikob/* DV depend CSRs see blue book */ 743103285Sikob#if 0 744103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 745103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 746103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 747103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 748103285Sikob } 749103285Sikob 750103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 751103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 752103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 753103285Sikob CSRARC(fc, i + iPCR) = 0x0; 754103285Sikob } 755103285Sikob#endif 756103285Sikob 757116376Ssimokawa fc->crom_src_buf = NULL; 758103285Sikob 759106543Ssimokawa#ifdef FW_VMACCESS 760103285Sikob xfer = fw_xfer_alloc(); 761103285Sikob if(xfer == NULL) return; 762103285Sikob 763110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 764103285Sikob if(fwb == NULL){ 765103285Sikob fw_xfer_free(xfer); 766103285Sikob } 767103285Sikob xfer->act.hand = fw_vmaccess; 768103285Sikob xfer->fc = fc; 769103285Sikob xfer->sc = NULL; 770103285Sikob 771103285Sikob fwb->start_hi = 0x2; 772103285Sikob fwb->start_lo = 0; 773103285Sikob fwb->addrlen = 0xffffffff; 774103285Sikob fwb->xfer = xfer; 775103285Sikob fw_bindadd(fc, fwb); 776106543Ssimokawa#endif 777103285Sikob} 778106790Ssimokawa 779103285Sikob/* 780103285Sikob * To lookup binded process from IEEE1394 address. 781103285Sikob */ 782106813Ssimokawastruct fw_bind * 783106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 784103285Sikob{ 785103285Sikob struct fw_bind *tfw; 786103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 787103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 788113584Ssimokawa if (tfw->act_type != FWACT_NULL && 789103285Sikob tfw->start_hi == dest_hi && 790103285Sikob tfw->start_lo <= dest_lo && 791103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 792103285Sikob return(tfw); 793103285Sikob } 794103285Sikob } 795103285Sikob return(NULL); 796103285Sikob} 797106790Ssimokawa 798103285Sikob/* 799103285Sikob * To bind IEEE1394 address block to process. 800103285Sikob */ 801106790Ssimokawaint 802106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 803103285Sikob{ 804103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 805103285Sikob int err = 0; 806103285Sikob tfw = STAILQ_FIRST(&fc->binds); 807103285Sikob if(tfw == NULL){ 808103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 809103285Sikob goto out; 810103285Sikob } 811103285Sikob if((tfw->start_hi > fwb->start_hi) || 812103285Sikob (tfw->start_hi == fwb->start_hi && 813103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 814103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 815103285Sikob goto out; 816103285Sikob } 817103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 818103285Sikob if((tfw->start_hi < fwb->start_hi) || 819103285Sikob (tfw->start_hi == fwb->start_hi && 820103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 821103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 822103285Sikob if(tfw2 == NULL) 823103285Sikob break; 824103285Sikob if((tfw2->start_hi > fwb->start_hi) || 825103285Sikob (tfw2->start_hi == fwb->start_hi && 826103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 827103285Sikob break; 828103285Sikob }else{ 829103285Sikob err = EBUSY; 830103285Sikob goto out; 831103285Sikob } 832103285Sikob } 833103285Sikob } 834103285Sikob if(tfw != NULL){ 835103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 836103285Sikob }else{ 837103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 838103285Sikob } 839103285Sikobout: 840113584Ssimokawa if (!err && fwb->act_type == FWACT_CH) 841113584Ssimokawa STAILQ_INSERT_HEAD(&fc->ir[fwb->sub]->binds, fwb, chlist); 842103285Sikob return err; 843103285Sikob} 844103285Sikob 845103285Sikob/* 846103285Sikob * To free IEEE1394 address block. 847103285Sikob */ 848106790Ssimokawaint 849106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 850103285Sikob{ 851103285Sikob int s; 852113584Ssimokawa struct fw_xfer *xfer, *next; 853103285Sikob 854103285Sikob s = splfw(); 855103285Sikob /* shall we check the existance? */ 856103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 857113584Ssimokawa /* shall we do this? */ 858113584Ssimokawa for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) { 859113584Ssimokawa next = STAILQ_NEXT(xfer, link); 860113584Ssimokawa fw_xfer_free(xfer); 861113584Ssimokawa } 862113584Ssimokawa STAILQ_INIT(&fwb->xferlist); 863113584Ssimokawa 864103285Sikob splx(s); 865103285Sikob return 0; 866103285Sikob} 867103285Sikob 868103285Sikob/* 869103285Sikob * To free transaction label. 870103285Sikob */ 871106790Ssimokawastatic void 872106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 873103285Sikob{ 874103285Sikob struct tlabel *tl; 875103285Sikob int s = splfw(); 876103285Sikob 877103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 878103285Sikob tl = STAILQ_NEXT(tl, link)){ 879103285Sikob if(tl->xfer == xfer){ 880103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 881110195Ssimokawa free(tl, M_FW); 882103285Sikob splx(s); 883103285Sikob return; 884103285Sikob } 885103285Sikob } 886103285Sikob splx(s); 887103285Sikob return; 888103285Sikob} 889106790Ssimokawa 890103285Sikob/* 891103285Sikob * To obtain XFER structure by transaction label. 892103285Sikob */ 893106790Ssimokawastatic struct fw_xfer * 894106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 895103285Sikob{ 896103285Sikob struct fw_xfer *xfer; 897103285Sikob struct tlabel *tl; 898103285Sikob int s = splfw(); 899103285Sikob 900103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 901103285Sikob tl = STAILQ_NEXT(tl, link)){ 902103285Sikob if(tl->xfer->dst == node){ 903103285Sikob xfer = tl->xfer; 904103285Sikob splx(s); 905110577Ssimokawa if (firewire_debug > 2) 906110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 907103285Sikob return(xfer); 908103285Sikob } 909103285Sikob } 910110577Ssimokawa if (firewire_debug > 1) 911110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 912103285Sikob splx(s); 913103285Sikob return(NULL); 914103285Sikob} 915106790Ssimokawa 916103285Sikob/* 917103285Sikob * To allocate IEEE1394 XFER structure. 918103285Sikob */ 919106790Ssimokawastruct fw_xfer * 920110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 921103285Sikob{ 922103285Sikob struct fw_xfer *xfer; 923106790Ssimokawa 924110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 925106790Ssimokawa if (xfer == NULL) 926106790Ssimokawa return xfer; 927106790Ssimokawa 928110577Ssimokawa microtime(&xfer->tv); 929110269Ssimokawa xfer->malloc = type; 930106790Ssimokawa 931103285Sikob return xfer; 932103285Sikob} 933106790Ssimokawa 934113584Ssimokawastruct fw_xfer * 935113584Ssimokawafw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len) 936113584Ssimokawa{ 937113584Ssimokawa struct fw_xfer *xfer; 938113584Ssimokawa 939113584Ssimokawa xfer = fw_xfer_alloc(type); 940113584Ssimokawa xfer->send.len = send_len; 941113584Ssimokawa xfer->recv.len = recv_len; 942113584Ssimokawa if (xfer == NULL) 943113584Ssimokawa return(NULL); 944113584Ssimokawa if (send_len) { 945113584Ssimokawa xfer->send.buf = malloc(send_len, type, M_NOWAIT | M_ZERO); 946113584Ssimokawa if (xfer->send.buf == NULL) { 947113584Ssimokawa fw_xfer_free(xfer); 948113584Ssimokawa return(NULL); 949113584Ssimokawa } 950113584Ssimokawa } 951113584Ssimokawa if (recv_len) { 952113584Ssimokawa xfer->recv.buf = malloc(recv_len, type, M_NOWAIT); 953113584Ssimokawa if (xfer->recv.buf == NULL) { 954113584Ssimokawa if (xfer->send.buf != NULL) 955113584Ssimokawa free(xfer->send.buf, type); 956113584Ssimokawa fw_xfer_free(xfer); 957113584Ssimokawa return(NULL); 958113584Ssimokawa } 959113584Ssimokawa } 960113584Ssimokawa return(xfer); 961113584Ssimokawa} 962113584Ssimokawa 963103285Sikob/* 964103285Sikob * IEEE1394 XFER post process. 965103285Sikob */ 966103285Sikobvoid 967103285Sikobfw_xfer_done(struct fw_xfer *xfer) 968103285Sikob{ 969117716Ssimokawa if (xfer->act.hand == NULL) { 970117716Ssimokawa printf("act.hand == NULL\n"); 971103285Sikob return; 972117716Ssimokawa } 973103285Sikob 974103285Sikob if (xfer->fc->status != FWBUSRESET) 975103285Sikob xfer->act.hand(xfer); 976103285Sikob else { 977103285Sikob printf("fw_xfer_done: pending\n"); 978103285Sikob if (xfer->fc != NULL) 979103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 980103285Sikob else 981103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 982103285Sikob } 983103285Sikob} 984103285Sikob 985106790Ssimokawavoid 986113584Ssimokawafw_xfer_unload(struct fw_xfer* xfer) 987103285Sikob{ 988103285Sikob int s; 989113584Ssimokawa 990103285Sikob if(xfer == NULL ) return; 991103285Sikob if(xfer->state == FWXF_INQ){ 992103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 993103285Sikob s = splfw(); 994103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 995103285Sikob xfer->q->queued --; 996103285Sikob splx(s); 997103285Sikob } 998113584Ssimokawa if (xfer->fc != NULL) { 999114729Ssimokawa#if 1 1000113584Ssimokawa if(xfer->state == FWXF_START) 1001114729Ssimokawa /* 1002114729Ssimokawa * This could happen if: 1003114729Ssimokawa * 1. We call fwohci_arcv() before fwohci_txd(). 1004114729Ssimokawa * 2. firewire_watch() is called. 1005114729Ssimokawa */ 1006114729Ssimokawa printf("fw_xfer_free FWXF_START\n"); 1007103285Sikob#endif 1008113584Ssimokawa fw_tl_free(xfer->fc, xfer); 1009103285Sikob } 1010113584Ssimokawa xfer->state = FWXF_INIT; 1011113584Ssimokawa xfer->resp = 0; 1012113584Ssimokawa xfer->retry = 0; 1013113584Ssimokawa} 1014113584Ssimokawa/* 1015113584Ssimokawa * To free IEEE1394 XFER structure. 1016113584Ssimokawa */ 1017113584Ssimokawavoid 1018113584Ssimokawafw_xfer_free( struct fw_xfer* xfer) 1019113584Ssimokawa{ 1020113584Ssimokawa if(xfer == NULL ) return; 1021113584Ssimokawa fw_xfer_unload(xfer); 1022103285Sikob if(xfer->send.buf != NULL){ 1023113584Ssimokawa free(xfer->send.buf, xfer->malloc); 1024103285Sikob } 1025103285Sikob if(xfer->recv.buf != NULL){ 1026113584Ssimokawa free(xfer->recv.buf, xfer->malloc); 1027103285Sikob } 1028110269Ssimokawa free(xfer, xfer->malloc); 1029103285Sikob} 1030103285Sikob 1031103285Sikobstatic void 1032110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 1033103285Sikob{ 1034103285Sikob#if 0 1035110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 1036103285Sikob xfer->state, xfer->resp); 1037103285Sikob#endif 1038103285Sikob fw_xfer_free(xfer); 1039103285Sikob} 1040103285Sikob 1041103285Sikob/* 1042103285Sikob * To configure PHY. 1043103285Sikob */ 1044103285Sikobstatic void 1045103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1046103285Sikob{ 1047103285Sikob struct fw_xfer *xfer; 1048103285Sikob struct fw_pkt *fp; 1049103285Sikob 1050103285Sikob fc->status = FWBUSPHYCONF; 1051103285Sikob 1052113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 12, 0); 1053113584Ssimokawa if (xfer == NULL) 1054113584Ssimokawa return; 1055103285Sikob xfer->fc = fc; 1056103285Sikob xfer->retry_req = fw_asybusy; 1057110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 1058103285Sikob 1059103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1060103285Sikob fp->mode.ld[1] = 0; 1061103285Sikob if (root_node >= 0) 1062113584Ssimokawa fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23; 1063103285Sikob if (gap_count >= 0) 1064113584Ssimokawa fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16; 1065103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1066103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1067103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1068103285Sikob 1069107653Ssimokawa if (firewire_debug) 1070107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1071103285Sikob root_node, gap_count); 1072103285Sikob fw_asyreq(fc, -1, xfer); 1073103285Sikob} 1074103285Sikob 1075103285Sikob#if 0 1076103285Sikob/* 1077103285Sikob * Dump self ID. 1078103285Sikob */ 1079103285Sikobstatic void 1080103285Sikobfw_print_sid(u_int32_t sid) 1081103285Sikob{ 1082103285Sikob union fw_self_id *s; 1083103285Sikob s = (union fw_self_id *) &sid; 1084103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1085103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1086103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1087103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1088103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1089103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1090103285Sikob} 1091103285Sikob#endif 1092103285Sikob 1093103285Sikob/* 1094103285Sikob * To receive self ID. 1095103285Sikob */ 1096113584Ssimokawavoid fw_sidrcv(struct firewire_comm* fc, u_int32_t *sid, u_int len) 1097103285Sikob{ 1098113584Ssimokawa u_int32_t *p; 1099103285Sikob union fw_self_id *self_id; 1100103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1101103285Sikob 1102103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1103103285Sikob fc->status = FWBUSINIT; 1104103285Sikob fc->max_node = fc->nodeid & 0x3f; 1105103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1106103285Sikob fc->status = FWBUSCYMELECT; 1107103285Sikob fc->topology_map->crc_len = 2; 1108103285Sikob fc->topology_map->generation ++; 1109103285Sikob fc->topology_map->self_id_count = 0; 1110103285Sikob fc->topology_map->node_count = 0; 1111103285Sikob fc->speed_map->generation ++; 1112103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1113103285Sikob self_id = &fc->topology_map->self_id[0]; 1114103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1115103285Sikob if (sid[1] != ~sid[0]) { 1116103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1117103285Sikob sid += 2; 1118103285Sikob continue; 1119103285Sikob } 1120103285Sikob *self_id = *((union fw_self_id *)sid); 1121103285Sikob fc->topology_map->crc_len++; 1122103285Sikob if(self_id->p0.sequel == 0){ 1123103285Sikob fc->topology_map->node_count ++; 1124103285Sikob c_port = 0; 1125103285Sikob#if 0 1126103285Sikob fw_print_sid(sid[0]); 1127103285Sikob#endif 1128103285Sikob node = self_id->p0.phy_id; 1129103285Sikob if(fc->max_node < node){ 1130103285Sikob fc->max_node = self_id->p0.phy_id; 1131103285Sikob } 1132103285Sikob /* XXX I'm not sure this is the right speed_map */ 1133103285Sikob fc->speed_map->speed[node][node] 1134103285Sikob = self_id->p0.phy_speed; 1135103285Sikob for (j = 0; j < node; j ++) { 1136103285Sikob fc->speed_map->speed[j][node] 1137103285Sikob = fc->speed_map->speed[node][j] 1138103285Sikob = min(fc->speed_map->speed[j][j], 1139103285Sikob self_id->p0.phy_speed); 1140103285Sikob } 1141103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1142103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1143103285Sikob fc->irm = self_id->p0.phy_id; 1144103285Sikob } 1145103285Sikob if(self_id->p0.port0 >= 0x2){ 1146103285Sikob c_port++; 1147103285Sikob } 1148103285Sikob if(self_id->p0.port1 >= 0x2){ 1149103285Sikob c_port++; 1150103285Sikob } 1151103285Sikob if(self_id->p0.port2 >= 0x2){ 1152103285Sikob c_port++; 1153103285Sikob } 1154103285Sikob } 1155103285Sikob if(c_port > 2){ 1156103285Sikob i_branch += (c_port - 2); 1157103285Sikob } 1158103285Sikob sid += 2; 1159103285Sikob self_id++; 1160103285Sikob fc->topology_map->self_id_count ++; 1161103285Sikob } 1162108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1163103285Sikob /* CRC */ 1164103285Sikob fc->topology_map->crc = fw_crc16( 1165103285Sikob (u_int32_t *)&fc->topology_map->generation, 1166103285Sikob fc->topology_map->crc_len * 4); 1167103285Sikob fc->speed_map->crc = fw_crc16( 1168103285Sikob (u_int32_t *)&fc->speed_map->generation, 1169103285Sikob fc->speed_map->crc_len * 4); 1170103285Sikob /* byteswap and copy to CSR */ 1171103285Sikob p = (u_int32_t *)fc->topology_map; 1172103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1173103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1174103285Sikob p = (u_int32_t *)fc->speed_map; 1175103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1176103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1177103285Sikob /* don't byte-swap u_int8_t array */ 1178103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1179103285Sikob 1180103285Sikob fc->max_hop = fc->max_node - i_branch; 1181103285Sikob printf(", maxhop <= %d", fc->max_hop); 1182103285Sikob 1183103285Sikob if(fc->irm == -1 ){ 1184103285Sikob printf(", Not found IRM capable node"); 1185103285Sikob }else{ 1186103285Sikob printf(", cable IRM = %d", fc->irm); 1187103285Sikob if (fc->irm == fc->nodeid) 1188110016Ssimokawa printf(" (me)"); 1189103285Sikob } 1190110016Ssimokawa printf("\n"); 1191103285Sikob 1192109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1193114909Ssimokawa if (fc->irm == fc->nodeid) { 1194103285Sikob fc->status = FWBUSMGRDONE; 1195103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1196114909Ssimokawa fw_bmr(fc); 1197109736Ssimokawa } else { 1198103285Sikob fc->status = FWBUSMGRELECT; 1199110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1200110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1201103285Sikob } 1202114909Ssimokawa } else 1203103285Sikob fc->status = FWBUSMGRDONE; 1204114909Ssimokawa 1205108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1206108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1207103285Sikob} 1208106790Ssimokawa 1209103285Sikob/* 1210103285Sikob * To probe devices on the IEEE1394 bus. 1211103285Sikob */ 1212106790Ssimokawastatic void 1213106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1214103285Sikob{ 1215103285Sikob int s; 1216103285Sikob struct fw_device *fwdev, *next; 1217103285Sikob 1218103285Sikob s = splfw(); 1219103285Sikob fc->status = FWBUSEXPLORE; 1220103285Sikob fc->retry_count = 0; 1221103285Sikob 1222103285Sikob/* 1223103285Sikob * Invalidate all devices, just after bus reset. Devices 1224103285Sikob * to be removed has not been seen longer time. 1225103285Sikob */ 1226110193Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1227110193Ssimokawa next = STAILQ_NEXT(fwdev, link); 1228110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1229103285Sikob fwdev->status = FWDEVINVAL; 1230103285Sikob fwdev->rcnt = 0; 1231110193Ssimokawa } else if(fwdev->rcnt < FW_MAXDEVRCNT) { 1232103285Sikob fwdev->rcnt ++; 1233110193Ssimokawa } else { 1234110193Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, link); 1235110195Ssimokawa free(fwdev, M_FW); 1236103285Sikob } 1237103285Sikob } 1238103285Sikob fc->ongonode = 0; 1239103285Sikob fc->ongoaddr = CSRROMOFF; 1240103285Sikob fc->ongodev = NULL; 1241103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1242103285Sikob fw_bus_explore(fc); 1243103285Sikob splx(s); 1244103285Sikob} 1245106790Ssimokawa 1246103285Sikob/* 1247103285Sikob * To collect device informations on the IEEE1394 bus. 1248103285Sikob */ 1249106790Ssimokawastatic void 1250106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1251103285Sikob{ 1252103285Sikob int err = 0; 1253110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1254103285Sikob u_int32_t addr; 1255103285Sikob struct fw_xfer *xfer; 1256103285Sikob struct fw_pkt *fp; 1257103285Sikob 1258103285Sikob if(fc->status != FWBUSEXPLORE) 1259103285Sikob return; 1260103285Sikob 1261103285Sikobloop: 1262103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1263103285Sikob 1264103285Sikob if(fc->ongonode > fc->max_node) goto done; 1265103285Sikob if(fc->ongonode >= 0x3f) goto done; 1266103285Sikob 1267103285Sikob /* check link */ 1268103285Sikob /* XXX we need to check phy_id first */ 1269103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1270110577Ssimokawa if (firewire_debug) 1271110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1272103285Sikob fc->ongonode++; 1273103285Sikob goto loop; 1274103285Sikob } 1275103285Sikob 1276103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1277103285Sikob fc->ongoeui.hi == 0xffffffff && 1278103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1279103285Sikob fc->ongoaddr = CSRROMOFF; 1280103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1281103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1282103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1283103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1284103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1285103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1286103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1287103285Sikob }else if(fc->ongodev == NULL){ 1288110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1289110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1290103285Sikob break; 1291103285Sikob if(fwdev != NULL){ 1292103285Sikob fwdev->dst = fc->ongonode; 1293117350Ssimokawa fwdev->status = FWDEVINIT; 1294117350Ssimokawa fc->ongodev = fwdev; 1295103285Sikob fc->ongoaddr = CSRROMOFF; 1296117350Ssimokawa addr = 0xf0000000 | fc->ongoaddr; 1297117350Ssimokawa goto dorequest; 1298103285Sikob } 1299115787Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, 1300115787Ssimokawa M_NOWAIT | M_ZERO); 1301103285Sikob if(fwdev == NULL) 1302103285Sikob return; 1303106810Ssimokawa fwdev->fc = fc; 1304103285Sikob fwdev->rommax = 0; 1305103285Sikob fwdev->dst = fc->ongonode; 1306103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1307103285Sikob fwdev->status = FWDEVINIT; 1308103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1309103285Sikob 1310110179Ssimokawa pfwdev = NULL; 1311110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1312110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1313110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1314110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1315110179Ssimokawa break; 1316110179Ssimokawa pfwdev = tfwdev; 1317103285Sikob } 1318110179Ssimokawa if (pfwdev == NULL) 1319110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1320110179Ssimokawa else 1321110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1322103285Sikob 1323108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1324107653Ssimokawa linkspeed[fwdev->speed], 1325107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1326103285Sikob 1327103285Sikob fc->ongodev = fwdev; 1328103285Sikob fc->ongoaddr = CSRROMOFF; 1329103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1330103285Sikob }else{ 1331103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1332103285Sikob } 1333117350Ssimokawadorequest: 1334103285Sikob#if 0 1335103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1336103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1337103285Sikob fw_bus_explore_callback); 1338103285Sikob if(xfer == NULL) goto done; 1339103285Sikob#else 1340113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 16); 1341103285Sikob if(xfer == NULL){ 1342103285Sikob goto done; 1343103285Sikob } 1344103285Sikob xfer->spd = 0; 1345103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1346113584Ssimokawa fp->mode.rreqq.dest_hi = 0xffff; 1347103285Sikob fp->mode.rreqq.tlrt = 0; 1348103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1349103285Sikob fp->mode.rreqq.pri = 0; 1350103285Sikob fp->mode.rreqq.src = 0; 1351103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1352113584Ssimokawa fp->mode.rreqq.dst = xfer->dst; 1353113584Ssimokawa fp->mode.rreqq.dest_lo = addr; 1354103285Sikob xfer->act.hand = fw_bus_explore_callback; 1355103285Sikob 1356110577Ssimokawa if (firewire_debug) 1357110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1358110577Ssimokawa fc->ongonode, fc->ongoaddr); 1359103285Sikob err = fw_asyreq(fc, -1, xfer); 1360103285Sikob if(err){ 1361103285Sikob fw_xfer_free( xfer); 1362103285Sikob return; 1363103285Sikob } 1364103285Sikob#endif 1365103285Sikob return; 1366103285Sikobdone: 1367103285Sikob /* fw_attach_devs */ 1368103285Sikob fc->status = FWBUSEXPDONE; 1369107653Ssimokawa if (firewire_debug) 1370107653Ssimokawa printf("bus_explore done\n"); 1371103285Sikob fw_attach_dev(fc); 1372103285Sikob return; 1373103285Sikob 1374103285Sikob} 1375106790Ssimokawa 1376103285Sikob/* Portable Async. request read quad */ 1377106790Ssimokawastruct fw_xfer * 1378106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1379105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1380105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1381103285Sikob{ 1382103285Sikob struct fw_xfer *xfer; 1383103285Sikob struct fw_pkt *fp; 1384103285Sikob int err; 1385103285Sikob 1386113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 16); 1387113584Ssimokawa if (xfer == NULL) 1388103285Sikob return NULL; 1389113584Ssimokawa 1390103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1391103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1392113584Ssimokawa fp->mode.rreqq.dest_hi = addr_hi & 0xffff; 1393103285Sikob if(tl & FWP_TL_VALID){ 1394103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1395103285Sikob }else{ 1396103285Sikob fp->mode.rreqq.tlrt = 0; 1397103285Sikob } 1398103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1399103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1400103285Sikob fp->mode.rreqq.pri = 0; 1401103285Sikob fp->mode.rreqq.src = 0; 1402103285Sikob xfer->dst = addr_hi >> 16; 1403113584Ssimokawa fp->mode.rreqq.dst = xfer->dst; 1404113584Ssimokawa fp->mode.rreqq.dest_lo = addr_lo; 1405103285Sikob xfer->act.hand = hand; 1406103285Sikob 1407103285Sikob err = fw_asyreq(fc, -1, xfer); 1408103285Sikob if(err){ 1409103285Sikob fw_xfer_free( xfer); 1410103285Sikob return NULL; 1411103285Sikob } 1412103285Sikob return xfer; 1413103285Sikob} 1414106790Ssimokawa 1415103285Sikob/* 1416103285Sikob * Callback for the IEEE1394 bus information collection. 1417103285Sikob */ 1418106790Ssimokawastatic void 1419106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1420106790Ssimokawa{ 1421103285Sikob struct firewire_comm *fc; 1422103285Sikob struct fw_pkt *sfp,*rfp; 1423103285Sikob struct csrhdr *chdr; 1424103285Sikob struct csrdir *csrd; 1425103285Sikob struct csrreg *csrreg; 1426103285Sikob u_int32_t offset; 1427103285Sikob 1428103285Sikob 1429110577Ssimokawa if(xfer == NULL) { 1430110577Ssimokawa printf("xfer == NULL\n"); 1431110577Ssimokawa return; 1432110577Ssimokawa } 1433103285Sikob fc = xfer->fc; 1434110577Ssimokawa 1435110577Ssimokawa if (firewire_debug) 1436110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1437110577Ssimokawa fc->ongonode, fc->ongoaddr); 1438110577Ssimokawa 1439103285Sikob if(xfer->resp != 0){ 1440110577Ssimokawa printf("node%d: resp=%d addr=0x%x\n", 1441110577Ssimokawa fc->ongonode, xfer->resp, fc->ongoaddr); 1442114284Ssimokawa goto errnode; 1443103285Sikob } 1444103285Sikob 1445103285Sikob if(xfer->send.buf == NULL){ 1446110577Ssimokawa printf("node%d: send.buf=NULL addr=0x%x\n", 1447103285Sikob fc->ongonode, fc->ongoaddr); 1448114284Ssimokawa goto errnode; 1449103285Sikob } 1450103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1451103285Sikob 1452103285Sikob if(xfer->recv.buf == NULL){ 1453110577Ssimokawa printf("node%d: recv.buf=NULL addr=0x%x\n", 1454103285Sikob fc->ongonode, fc->ongoaddr); 1455114284Ssimokawa goto errnode; 1456103285Sikob } 1457103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1458103285Sikob#if 0 1459103285Sikob { 1460103285Sikob u_int32_t *qld; 1461103285Sikob int i; 1462103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1463103285Sikob printf("len:%d\n", xfer->recv.len); 1464103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1465113584Ssimokawa printf("0x%08x ", rfp->mode.ld[i/4]); 1466103285Sikob if((i % 16) == 15) printf("\n"); 1467103285Sikob } 1468103285Sikob if((i % 16) != 15) printf("\n"); 1469103285Sikob } 1470103285Sikob#endif 1471103285Sikob if(fc->ongodev == NULL){ 1472113584Ssimokawa if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){ 1473103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1474103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1475110577Ssimokawa/* If CSR is minimal confinguration, more investgation is not needed. */ 1476103285Sikob if(chdr->info_len == 1){ 1477110577Ssimokawa if (firewire_debug) 1478110577Ssimokawa printf("node%d: minimal config\n", 1479110577Ssimokawa fc->ongonode); 1480103285Sikob goto nextnode; 1481103285Sikob }else{ 1482103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1483103285Sikob } 1484113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){ 1485103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1486103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1487113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){ 1488103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1489110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1490110577Ssimokawa if (firewire_debug) 1491110577Ssimokawa printf("node%d: eui64 is zero.\n", 1492110577Ssimokawa fc->ongonode); 1493103285Sikob goto nextnode; 1494110577Ssimokawa } 1495103285Sikob fc->ongoaddr = CSRROMOFF; 1496103285Sikob } 1497103285Sikob }else{ 1498117350Ssimokawa if (fc->ongoaddr == CSRROMOFF && 1499117350Ssimokawa fc->ongodev->csrrom[0] == ntohl(rfp->mode.rresq.data)) { 1500117350Ssimokawa fc->ongodev->status = FWDEVATTACHED; 1501117350Ssimokawa goto nextnode; 1502117350Ssimokawa } 1503103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1504103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1505103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1506103285Sikob } 1507103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1508103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1509103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1510103285Sikob offset = CSRROMOFF; 1511103285Sikob }else{ 1512103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1513103285Sikob offset = csrd->off; 1514103285Sikob } 1515103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1516103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1517103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1518103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1519103285Sikob if(csrd == NULL){ 1520103285Sikob goto nextnode; 1521103285Sikob }else{ 1522103285Sikob csrd->ongoaddr = fc->ongoaddr; 1523103285Sikob fc->ongoaddr += csrreg->val * 4; 1524103285Sikob csrd->off = fc->ongoaddr; 1525103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1526103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1527103285Sikob goto nextaddr; 1528103285Sikob } 1529103285Sikob } 1530103285Sikob } 1531103285Sikob fc->ongoaddr += 4; 1532103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1533103285Sikob (fc->ongodev->rommax < 0x414)){ 1534103285Sikob if(fc->ongodev->rommax <= 0x414){ 1535103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1536103285Sikob if(csrd == NULL) goto nextnode; 1537103285Sikob csrd->off = fc->ongoaddr; 1538103285Sikob csrd->ongoaddr = fc->ongoaddr; 1539103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1540103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1541103285Sikob } 1542103285Sikob goto nextaddr; 1543103285Sikob } 1544103285Sikob 1545103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1546103285Sikob if(csrd == NULL){ 1547103285Sikob goto nextnode; 1548103285Sikob }; 1549103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1550103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1551103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1552103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1553103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1554103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1555103285Sikob offset = CSRROMOFF; 1556103285Sikob }else{ 1557103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1558103285Sikob offset = csrd->off; 1559103285Sikob } 1560103285Sikob } 1561103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1562103285Sikob goto nextnode; 1563103285Sikob } 1564103285Sikob } 1565103285Sikobnextaddr: 1566103285Sikob fw_xfer_free( xfer); 1567103285Sikob fw_bus_explore(fc); 1568103285Sikob return; 1569114284Ssimokawaerrnode: 1570114284Ssimokawa fc->retry_count++; 1571114284Ssimokawa if (fc->ongodev != NULL) 1572114284Ssimokawa fc->ongodev->status = FWDEVINVAL; 1573103285Sikobnextnode: 1574103285Sikob fw_xfer_free( xfer); 1575103285Sikob fc->ongonode++; 1576103285Sikob/* housekeeping work space */ 1577103285Sikob fc->ongoaddr = CSRROMOFF; 1578103285Sikob fc->ongodev = NULL; 1579103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1580103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1581103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1582103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1583103285Sikob } 1584103285Sikob fw_bus_explore(fc); 1585103285Sikob return; 1586103285Sikob} 1587103285Sikob 1588103285Sikob/* 1589103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1590103285Sikob */ 1591106815Ssimokawastatic void 1592106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1593103285Sikob{ 1594103285Sikob struct fw_device *fwdev; 1595103285Sikob struct fw_xfer *xfer; 1596103285Sikob int i, err; 1597103285Sikob device_t *devlistp; 1598103285Sikob int devcnt; 1599103285Sikob struct firewire_dev_comm *fdc; 1600103285Sikob 1601114069Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1602114069Ssimokawa if (fwdev->status == FWDEVINIT) 1603114069Ssimokawa fwdev->status = FWDEVATTACHED; 1604103285Sikob 1605108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1606103285Sikob if( err != 0 ) 1607103285Sikob return; 1608103285Sikob for( i = 0 ; i < devcnt ; i++){ 1609103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1610103285Sikob fdc = device_get_softc(devlistp[i]); 1611103285Sikob if (fdc->post_explore != NULL) 1612103285Sikob fdc->post_explore(fdc); 1613103285Sikob } 1614103285Sikob } 1615103285Sikob free(devlistp, M_TEMP); 1616103285Sikob 1617103285Sikob /* call pending handlers */ 1618103285Sikob i = 0; 1619103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1620103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1621103285Sikob i++; 1622103285Sikob if (xfer->act.hand) 1623103285Sikob xfer->act.hand(xfer); 1624103285Sikob } 1625103285Sikob if (i > 0) 1626103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1627103285Sikob if (fc->retry_count > 0) { 1628111040Ssimokawa printf("probe failed for %d node\n", fc->retry_count); 1629111040Ssimokawa#if 0 1630110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1631110193Ssimokawa (void *)fc->ibr, (void *)fc); 1632111040Ssimokawa#endif 1633103285Sikob } 1634103285Sikob return; 1635103285Sikob} 1636106815Ssimokawa 1637103285Sikob/* 1638103285Sikob * To allocate uniq transaction label. 1639103285Sikob */ 1640106815Ssimokawastatic int 1641106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1642103285Sikob{ 1643103285Sikob u_int i; 1644103285Sikob struct tlabel *tl, *tmptl; 1645103285Sikob int s; 1646103285Sikob static u_int32_t label = 0; 1647103285Sikob 1648103285Sikob s = splfw(); 1649103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1650103285Sikob label = (label + 1) & 0x3f; 1651103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1652103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1653103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1654103285Sikob } 1655103285Sikob if(tmptl == NULL) { 1656110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1657103285Sikob if (tl == NULL) { 1658103285Sikob splx(s); 1659103285Sikob return (-1); 1660103285Sikob } 1661103285Sikob tl->xfer = xfer; 1662103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1663103285Sikob splx(s); 1664110577Ssimokawa if (firewire_debug > 1) 1665110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1666110577Ssimokawa xfer->dst, label); 1667103285Sikob return(label); 1668103285Sikob } 1669103285Sikob } 1670103285Sikob splx(s); 1671103285Sikob 1672103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1673103285Sikob return(-1); 1674103285Sikob} 1675106815Ssimokawa 1676113584Ssimokawastatic void 1677113584Ssimokawafw_rcv_copy(struct fw_xfer *xfer, struct iovec *vec, int nvec) 1678113584Ssimokawa{ 1679113584Ssimokawa char *p; 1680113584Ssimokawa int res, i, len; 1681113584Ssimokawa 1682113584Ssimokawa p = xfer->recv.buf; 1683113584Ssimokawa res = xfer->recv.len; 1684113584Ssimokawa for (i = 0; i < nvec; i++, vec++) { 1685113584Ssimokawa len = vec->iov_len; 1686113584Ssimokawa if (res < len) { 1687113584Ssimokawa printf("rcv buffer(%d) is %d bytes short.\n", 1688113584Ssimokawa xfer->recv.len, len - res); 1689113584Ssimokawa len = res; 1690113584Ssimokawa } 1691113584Ssimokawa bcopy(vec->iov_base, p, len); 1692113584Ssimokawa p += len; 1693113584Ssimokawa res -= len; 1694113584Ssimokawa if (res <= 0) 1695113584Ssimokawa break; 1696113584Ssimokawa } 1697113584Ssimokawa xfer->recv.len -= res; 1698113584Ssimokawa} 1699113584Ssimokawa 1700103285Sikob/* 1701103285Sikob * Generic packet receving process. 1702103285Sikob */ 1703106815Ssimokawavoid 1704113584Ssimokawafw_rcv(struct firewire_comm *fc, struct iovec *vec, int nvec, u_int sub, u_int spd) 1705103285Sikob{ 1706103285Sikob struct fw_pkt *fp, *resfp; 1707103285Sikob struct fw_xfer *xfer; 1708103285Sikob struct fw_bind *bind; 1709103285Sikob struct firewire_softc *sc; 1710113584Ssimokawa int tcode, s; 1711113584Ssimokawa int i, len, oldstate; 1712103285Sikob#if 0 1713103285Sikob { 1714103285Sikob u_int32_t *qld; 1715103285Sikob int i; 1716103285Sikob qld = (u_int32_t *)buf; 1717103285Sikob printf("spd %d len:%d\n", spd, len); 1718103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1719103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1720103285Sikob if((i % 16) == 15) printf("\n"); 1721103285Sikob } 1722103285Sikob if((i % 16) != 15) printf("\n"); 1723103285Sikob } 1724103285Sikob#endif 1725113584Ssimokawa fp = (struct fw_pkt *)vec[0].iov_base; 1726113584Ssimokawa tcode = fp->mode.common.tcode; 1727113584Ssimokawa#if 0 /* XXX this check is not valid for RRESQ and WREQQ */ 1728113584Ssimokawa if (vec[0].iov_len < fc->tcode[tcode].hdr_len) { 1729113584Ssimokawa#if __FreeBSD_version >= 500000 1730113584Ssimokawa printf("fw_rcv: iov_len(%zu) is less than" 1731113584Ssimokawa#else 1732113584Ssimokawa printf("fw_rcv: iov_len(%u) is less than" 1733113584Ssimokawa#endif 1734113584Ssimokawa " hdr_len(%d:tcode=%d)\n", vec[0].iov_len, 1735113584Ssimokawa fc->tcode[tcode].hdr_len, tcode); 1736113584Ssimokawa } 1737113584Ssimokawa#endif 1738113584Ssimokawa switch (tcode) { 1739103285Sikob case FWTCODE_WRES: 1740103285Sikob case FWTCODE_RRESQ: 1741103285Sikob case FWTCODE_RRESB: 1742103285Sikob case FWTCODE_LRES: 1743113584Ssimokawa xfer = fw_tl2xfer(fc, fp->mode.hdr.src, 1744103285Sikob fp->mode.hdr.tlrt >> 2); 1745103285Sikob if(xfer == NULL) { 1746103285Sikob printf("fw_rcv: unknown response " 1747110891Ssimokawa "tcode=%d src=0x%x tl=0x%x rt=%d data=0x%x\n", 1748113584Ssimokawa tcode, 1749113584Ssimokawa fp->mode.hdr.src, 1750103285Sikob fp->mode.hdr.tlrt >> 2, 1751103285Sikob fp->mode.hdr.tlrt & 3, 1752103285Sikob fp->mode.rresq.data); 1753103285Sikob#if 1 1754103285Sikob printf("try ad-hoc work around!!\n"); 1755113584Ssimokawa xfer = fw_tl2xfer(fc, fp->mode.hdr.src, 1756103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1757103285Sikob if (xfer == NULL) { 1758103285Sikob printf("no use...\n"); 1759103285Sikob goto err; 1760103285Sikob } 1761103285Sikob#else 1762103285Sikob goto err; 1763103285Sikob#endif 1764103285Sikob } 1765113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1766113584Ssimokawa xfer->resp = 0; 1767113584Ssimokawa /* make sure the packet is drained in AT queue */ 1768113584Ssimokawa oldstate = xfer->state; 1769113584Ssimokawa xfer->state = FWXF_RCVD; 1770113584Ssimokawa switch (oldstate) { 1771113584Ssimokawa case FWXF_SENT: 1772103285Sikob fw_xfer_done(xfer); 1773103285Sikob break; 1774113584Ssimokawa case FWXF_START: 1775119289Ssimokawa#if 0 1776113584Ssimokawa if (firewire_debug) 1777117716Ssimokawa printf("not sent yet tl=%x\n", xfer->tl); 1778119289Ssimokawa#endif 1779113584Ssimokawa break; 1780103285Sikob default: 1781113584Ssimokawa printf("unexpected state %d\n", xfer->state); 1782103285Sikob } 1783113584Ssimokawa return; 1784103285Sikob case FWTCODE_WREQQ: 1785103285Sikob case FWTCODE_WREQB: 1786103285Sikob case FWTCODE_RREQQ: 1787103285Sikob case FWTCODE_RREQB: 1788103285Sikob case FWTCODE_LREQ: 1789113584Ssimokawa bind = fw_bindlookup(fc, fp->mode.rreqq.dest_hi, 1790113584Ssimokawa fp->mode.rreqq.dest_lo); 1791103285Sikob if(bind == NULL){ 1792113962Ssimokawa#if __FreeBSD_version >= 500000 1793113584Ssimokawa printf("Unknown service addr 0x%08x:0x%08x tcode=%x src=0x%x data=%x\n", 1794113962Ssimokawa#else 1795113962Ssimokawa printf("Unknown service addr 0x%08x:0x%08x tcode=%x src=0x%x data=%lx\n", 1796113962Ssimokawa#endif 1797113584Ssimokawa fp->mode.wreqq.dest_hi, 1798113584Ssimokawa fp->mode.wreqq.dest_lo, 1799113584Ssimokawa tcode, 1800113584Ssimokawa fp->mode.hdr.src, 1801113584Ssimokawa ntohl(fp->mode.wreqq.data)); 1802103285Sikob if (fc->status == FWBUSRESET) { 1803110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1804103285Sikob goto err; 1805103285Sikob } 1806113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 0); 1807103285Sikob if(xfer == NULL){ 1808103285Sikob return; 1809103285Sikob } 1810103285Sikob xfer->spd = spd; 1811103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1812113584Ssimokawa switch (tcode) { 1813103285Sikob case FWTCODE_WREQQ: 1814103285Sikob case FWTCODE_WREQB: 1815103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1816103285Sikob xfer->send.len = 12; 1817103285Sikob break; 1818103285Sikob case FWTCODE_RREQQ: 1819103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1820103285Sikob xfer->send.len = 16; 1821103285Sikob break; 1822103285Sikob case FWTCODE_RREQB: 1823103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1824103285Sikob xfer->send.len = 16; 1825103285Sikob break; 1826103285Sikob case FWTCODE_LREQ: 1827103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1828103285Sikob xfer->send.len = 16; 1829103285Sikob break; 1830103285Sikob } 1831103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1832103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1833103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1834103285Sikob resfp->mode.rresb.rtcode = 7; 1835103285Sikob resfp->mode.rresb.extcode = 0; 1836103285Sikob resfp->mode.rresb.len = 0; 1837103285Sikob/* 1838103285Sikob xfer->act.hand = fw_asy_callback; 1839103285Sikob*/ 1840103285Sikob xfer->act.hand = fw_xfer_free; 1841103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1842103285Sikob fw_xfer_free( xfer); 1843103285Sikob return; 1844103285Sikob } 1845103285Sikob goto err; 1846103285Sikob } 1847113584Ssimokawa len = 0; 1848113584Ssimokawa for (i = 0; i < nvec; i ++) 1849113584Ssimokawa len += vec[i].iov_len; 1850113584Ssimokawa switch(bind->act_type){ 1851103285Sikob case FWACT_XFER: 1852113584Ssimokawa /* splfw()?? */ 1853113584Ssimokawa xfer = STAILQ_FIRST(&bind->xferlist); 1854113584Ssimokawa if (xfer == NULL) { 1855113584Ssimokawa printf("Discard a packet for this bind.\n"); 1856113584Ssimokawa goto err; 1857113584Ssimokawa } 1858113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1859113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1860103285Sikob xfer->spd = spd; 1861103285Sikob if (fc->status != FWBUSRESET) 1862103285Sikob xfer->act.hand(xfer); 1863103285Sikob else 1864103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1865103285Sikob return; 1866103285Sikob break; 1867103285Sikob case FWACT_CH: 1868113584Ssimokawa if(fc->ir[bind->sub]->queued >= 1869113584Ssimokawa fc->ir[bind->sub]->maxq){ 1870108655Ssimokawa device_printf(fc->bdev, 1871108655Ssimokawa "Discard a packet %x %d\n", 1872113584Ssimokawa bind->sub, 1873113584Ssimokawa fc->ir[bind->sub]->queued); 1874103285Sikob goto err; 1875103285Sikob } 1876113584Ssimokawa xfer = STAILQ_FIRST(&bind->xferlist); 1877113584Ssimokawa if (xfer == NULL) { 1878113584Ssimokawa printf("Discard packet for this bind\n"); 1879113584Ssimokawa goto err; 1880113584Ssimokawa } 1881113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1882113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1883103285Sikob xfer->spd = spd; 1884103285Sikob s = splfw(); 1885113584Ssimokawa fc->ir[bind->sub]->queued++; 1886113584Ssimokawa STAILQ_INSERT_TAIL(&fc->ir[bind->sub]->q, xfer, link); 1887103285Sikob splx(s); 1888103285Sikob 1889113584Ssimokawa wakeup((caddr_t)fc->ir[bind->sub]); 1890103285Sikob 1891103285Sikob return; 1892103285Sikob break; 1893103285Sikob default: 1894103285Sikob goto err; 1895103285Sikob break; 1896103285Sikob } 1897103285Sikob break; 1898103285Sikob case FWTCODE_STREAM: 1899103285Sikob { 1900103285Sikob struct fw_xferq *xferq; 1901103285Sikob 1902103285Sikob xferq = fc->ir[sub]; 1903103285Sikob#if 0 1904103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1905103285Sikob sub, len, off, spd); 1906103285Sikob#endif 1907103285Sikob if(xferq->queued >= xferq->maxq) { 1908103285Sikob printf("receive queue is full\n"); 1909103285Sikob goto err; 1910103285Sikob } 1911113584Ssimokawa /* XXX get xfer from xfer queue, we don't need copy for 1912113584Ssimokawa per packet mode */ 1913113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */ 1914113584Ssimokawa vec[0].iov_len); 1915103285Sikob if(xfer == NULL) goto err; 1916113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1917103285Sikob xfer->spd = spd; 1918103285Sikob s = splfw(); 1919103285Sikob xferq->queued++; 1920103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1921103285Sikob splx(s); 1922103285Sikob sc = device_get_softc(fc->bdev); 1923103285Sikob#if __FreeBSD_version >= 500000 1924103285Sikob if (SEL_WAITING(&xferq->rsel)) 1925103285Sikob#else 1926103285Sikob if (&xferq->rsel.si_pid != 0) 1927103285Sikob#endif 1928103285Sikob selwakeup(&xferq->rsel); 1929103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1930103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1931103285Sikob wakeup((caddr_t)xferq); 1932103285Sikob } 1933103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1934103285Sikob xferq->hand(xferq); 1935103285Sikob } 1936103285Sikob return; 1937103285Sikob break; 1938103285Sikob } 1939103285Sikob default: 1940113584Ssimokawa printf("fw_rcv: unknow tcode %d\n", tcode); 1941103285Sikob break; 1942103285Sikob } 1943103285Sikoberr: 1944113584Ssimokawa return; 1945103285Sikob} 1946106815Ssimokawa 1947103285Sikob/* 1948103285Sikob * Post process for Bus Manager election process. 1949103285Sikob */ 1950103285Sikobstatic void 1951103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1952103285Sikob{ 1953109422Ssimokawa struct fw_pkt *rfp; 1954103285Sikob struct firewire_comm *fc; 1955109422Ssimokawa int bmr; 1956103285Sikob 1957109422Ssimokawa if (xfer == NULL) 1958109422Ssimokawa return; 1959103285Sikob fc = xfer->fc; 1960109422Ssimokawa if (xfer->resp != 0) 1961103285Sikob goto error; 1962109422Ssimokawa if (xfer->send.buf == NULL) 1963103285Sikob goto error; 1964109422Ssimokawa if (xfer->recv.buf == NULL) 1965103285Sikob goto error; 1966103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1967109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1968109422Ssimokawa goto error; 1969109422Ssimokawa 1970109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1971109422Ssimokawa if (bmr == 0x3f) 1972109422Ssimokawa bmr = fc->nodeid; 1973109422Ssimokawa 1974109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1975114909Ssimokawa fw_xfer_free(xfer); 1976114909Ssimokawa fw_bmr(fc); 1977114909Ssimokawa return; 1978114909Ssimokawa 1979103285Sikoberror: 1980114909Ssimokawa device_printf(fc->bdev, "bus manager election failed\n"); 1981103285Sikob fw_xfer_free(xfer); 1982103285Sikob} 1983106815Ssimokawa 1984113584Ssimokawa 1985103285Sikob/* 1986103285Sikob * To candidate Bus Manager election process. 1987103285Sikob */ 1988110270Ssimokawastatic void 1989106815Ssimokawafw_try_bmr(void *arg) 1990103285Sikob{ 1991103285Sikob struct fw_xfer *xfer; 1992103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1993103285Sikob struct fw_pkt *fp; 1994103285Sikob int err = 0; 1995103285Sikob 1996113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 24, 20); 1997103285Sikob if(xfer == NULL){ 1998103285Sikob return; 1999103285Sikob } 2000103285Sikob xfer->spd = 0; 2001103285Sikob fc->status = FWBUSMGRELECT; 2002103285Sikob 2003103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2004113584Ssimokawa fp->mode.lreq.dest_hi = 0xffff; 2005103285Sikob fp->mode.lreq.tlrt = 0; 2006103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2007103285Sikob fp->mode.lreq.pri = 0; 2008103285Sikob fp->mode.lreq.src = 0; 2009113584Ssimokawa fp->mode.lreq.len = 8; 2010113584Ssimokawa fp->mode.lreq.extcode = FW_LREQ_CMPSWAP; 2011103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2012113584Ssimokawa fp->mode.lreq.dst = xfer->dst; 2013113584Ssimokawa fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID; 2014109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 2015109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 2016103285Sikob xfer->act.hand = fw_try_bmr_callback; 2017103285Sikob 2018103285Sikob err = fw_asyreq(fc, -1, xfer); 2019103285Sikob if(err){ 2020103285Sikob fw_xfer_free( xfer); 2021103285Sikob return; 2022103285Sikob } 2023103285Sikob return; 2024103285Sikob} 2025106543Ssimokawa 2026106543Ssimokawa#ifdef FW_VMACCESS 2027103285Sikob/* 2028103285Sikob * Software implementation for physical memory block access. 2029103285Sikob * XXX:Too slow, usef for debug purpose only. 2030103285Sikob */ 2031106815Ssimokawastatic void 2032106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2033103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2034113584Ssimokawa u_int32_t *ld = (u_int32_t *)xfer->recv.buf; 2035103285Sikob 2036113584Ssimokawa printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n", 2037113584Ssimokawa xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2038103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2039103285Sikob if(xfer->resp != 0){ 2040103285Sikob fw_xfer_free( xfer); 2041103285Sikob return; 2042103285Sikob } 2043103285Sikob if(xfer->recv.buf == NULL){ 2044103285Sikob fw_xfer_free( xfer); 2045103285Sikob return; 2046103285Sikob } 2047103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2048103285Sikob switch(rfp->mode.hdr.tcode){ 2049103285Sikob /* XXX need fix for 64bit arch */ 2050103285Sikob case FWTCODE_WREQB: 2051110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2052103285Sikob xfer->send.len = 12; 2053103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2054103285Sikob bcopy(rfp->mode.wreqb.payload, 2055103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2056103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2057103285Sikob sfp->mode.wres.rtcode = 0; 2058103285Sikob break; 2059103285Sikob case FWTCODE_WREQQ: 2060110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2061103285Sikob xfer->send.len = 12; 2062103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2063103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2064103285Sikob sfp->mode.wres.rtcode = 0; 2065103285Sikob break; 2066103285Sikob case FWTCODE_RREQB: 2067110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2068103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2069103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2070103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2071103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2072103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2073103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2074103285Sikob sfp->mode.rresb.rtcode = 0; 2075103285Sikob sfp->mode.rresb.extcode = 0; 2076103285Sikob break; 2077103285Sikob case FWTCODE_RREQQ: 2078110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2079103285Sikob xfer->send.len = 16; 2080103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2081103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2082103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2083103285Sikob sfp->mode.rresb.rtcode = 0; 2084103285Sikob break; 2085103285Sikob default: 2086103285Sikob fw_xfer_free( xfer); 2087103285Sikob return; 2088103285Sikob } 2089103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2090103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2091103285Sikob xfer->act.hand = fw_xfer_free; 2092103285Sikob xfer->retry_req = fw_asybusy; 2093103285Sikob 2094103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2095103285Sikob sfp->mode.hdr.pri = 0; 2096103285Sikob 2097103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2098103285Sikob/**/ 2099103285Sikob return; 2100103285Sikob} 2101106543Ssimokawa#endif 2102106543Ssimokawa 2103103285Sikob/* 2104103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2105103285Sikob */ 2106106815Ssimokawau_int16_t 2107106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2108103285Sikob u_int32_t i, sum, crc = 0; 2109103285Sikob int shift; 2110103285Sikob len = (len + 3) & ~3; 2111103285Sikob for(i = 0 ; i < len ; i+= 4){ 2112103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2113103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2114103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2115103285Sikob } 2116103285Sikob crc &= 0xffff; 2117103285Sikob } 2118103285Sikob return((u_int16_t) crc); 2119103285Sikob} 2120106815Ssimokawa 2121110270Ssimokawastatic int 2122110072Ssimokawafw_bmr(struct firewire_comm *fc) 2123110072Ssimokawa{ 2124110072Ssimokawa struct fw_device fwdev; 2125113584Ssimokawa union fw_self_id *self_id; 2126110072Ssimokawa int cmstr; 2127110072Ssimokawa 2128113584Ssimokawa /* Check to see if the current root node is cycle master capable */ 2129113584Ssimokawa self_id = &fc->topology_map->self_id[fc->max_node]; 2130113584Ssimokawa if (fc->max_node > 0) { 2131114909Ssimokawa /* XXX check cmc bit of businfo block rather than contender */ 2132114909Ssimokawa if (self_id->p0.link_active && self_id->p0.contender) 2133113584Ssimokawa cmstr = fc->max_node; 2134114909Ssimokawa else { 2135114909Ssimokawa device_printf(fc->bdev, 2136114909Ssimokawa "root node is not cycle master capable\n"); 2137114909Ssimokawa /* XXX shall we be the cycle master? */ 2138113584Ssimokawa cmstr = fc->nodeid; 2139114909Ssimokawa /* XXX need bus reset */ 2140114909Ssimokawa } 2141113584Ssimokawa } else 2142113584Ssimokawa cmstr = -1; 2143114909Ssimokawa 2144114909Ssimokawa device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID)); 2145114909Ssimokawa if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) { 2146114909Ssimokawa /* We are not the bus manager */ 2147114909Ssimokawa printf("\n"); 2148114909Ssimokawa return(0); 2149114909Ssimokawa } 2150114909Ssimokawa printf("(me)\n"); 2151114909Ssimokawa 2152114909Ssimokawa /* Optimize gapcount */ 2153113584Ssimokawa if(fc->max_hop <= MAX_GAPHOP ) 2154113584Ssimokawa fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]); 2155110072Ssimokawa /* If we are the cycle master, nothing to do */ 2156113584Ssimokawa if (cmstr == fc->nodeid || cmstr == -1) 2157110072Ssimokawa return 0; 2158110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2159110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2160110072Ssimokawa fwdev.fc = fc; 2161110072Ssimokawa fwdev.dst = cmstr; 2162110072Ssimokawa fwdev.speed = 0; 2163110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2164110072Ssimokawa fwdev.status = FWDEVINIT; 2165110072Ssimokawa /* Set cmstr bit on the cycle master */ 2166110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2167114909Ssimokawa 0xffff, 0xf0000000 | STATE_SET, htonl(1 << 8), 2168110072Ssimokawa fw_asy_callback_free); 2169110072Ssimokawa 2170110072Ssimokawa return 0; 2171110072Ssimokawa} 2172110072Ssimokawa 2173118455Ssimokawastatic int 2174118455Ssimokawafw_modevent(module_t mode, int type, void *data) 2175118455Ssimokawa{ 2176118455Ssimokawa int err = 0; 2177118455Ssimokawa#if __FreeBSD_version >= 500000 2178118455Ssimokawa static eventhandler_tag fwdev_ehtag = NULL; 2179118455Ssimokawa#endif 2180118455Ssimokawa 2181118455Ssimokawa switch (type) { 2182118455Ssimokawa case MOD_LOAD: 2183118455Ssimokawa#if __FreeBSD_version >= 500000 2184118455Ssimokawa fwdev_ehtag = EVENTHANDLER_REGISTER(dev_clone, 2185118455Ssimokawa fwdev_clone, 0, 1000); 2186118455Ssimokawa#endif 2187118455Ssimokawa break; 2188118455Ssimokawa case MOD_UNLOAD: 2189118455Ssimokawa#if __FreeBSD_version >= 500000 2190118455Ssimokawa if (fwdev_ehtag != NULL) 2191118455Ssimokawa EVENTHANDLER_DEREGISTER(dev_clone, fwdev_ehtag); 2192118455Ssimokawa#endif 2193118455Ssimokawa break; 2194118455Ssimokawa case MOD_SHUTDOWN: 2195118455Ssimokawa break; 2196118455Ssimokawa } 2197118455Ssimokawa return (err); 2198118455Ssimokawa} 2199118455Ssimokawa 2200118455Ssimokawa 2201118455SsimokawaDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,fw_modevent,0); 2202103285SikobMODULE_VERSION(firewire, 1); 2203