firewire.c revision 111078
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 111078 2003-02-18 10:56:00Z 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 426108853Ssimokawa#if __FreeBSD_version >= 500000 427110193Ssimokawa#define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */) 428108853Ssimokawa#else 429110193Ssimokawa#define CALLOUT_INIT(x) callout_init(x) 430108853Ssimokawa#endif 431110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 432110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 433110193Ssimokawa CALLOUT_INIT(&sc->fc->retry_probe_callout); 434110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 435108853Ssimokawa 436110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 437110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 438110193Ssimokawa 439103285Sikob /* Locate our children */ 440103285Sikob bus_generic_probe(dev); 441103285Sikob 442103285Sikob /* launch attachement of the added children */ 443103285Sikob bus_generic_attach(dev); 444103285Sikob 445110577Ssimokawa#if 1 446103285Sikob /* bus_reset */ 447103285Sikob fc->ibr(fc); 448110577Ssimokawa#endif 449103285Sikob 450103285Sikob return 0; 451103285Sikob} 452103285Sikob 453103285Sikob/* 454103285Sikob * Attach it as child. 455103285Sikob */ 456103285Sikobstatic device_t 457103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 458103285Sikob{ 459103285Sikob device_t child; 460103285Sikob struct firewire_softc *sc; 461103285Sikob 462103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 463103285Sikob child = device_add_child(dev, name, unit); 464103285Sikob if (child) { 465103285Sikob device_set_ivars(child, sc->fc); 466103285Sikob device_probe_and_attach(child); 467103285Sikob } 468103285Sikob 469103285Sikob return child; 470103285Sikob} 471106790Ssimokawa 472103285Sikob/* 473103285Sikob * Dettach it. 474103285Sikob */ 475103285Sikobstatic int 476103285Sikobfirewire_detach( device_t dev ) 477103285Sikob{ 478103285Sikob struct firewire_softc *sc; 479111074Ssimokawa struct csrdir *csrd, *next; 480111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 481103285Sikob 482103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 483106790Ssimokawa 484111078Ssimokawa bus_generic_detach(dev); 485111078Ssimokawa 486111078Ssimokawa callout_stop(&sc->fc->timeout_callout); 487111078Ssimokawa callout_stop(&sc->fc->bmr_callout); 488111078Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 489111078Ssimokawa callout_stop(&sc->fc->busprobe_callout); 490111078Ssimokawa 491103285Sikob#if __FreeBSD_version >= 500000 492103285Sikob destroy_dev(sc->dev); 493103285Sikob#else 494103285Sikob { 495103285Sikob int j; 496103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 497103285Sikob destroy_dev(sc->dev[j]); 498103285Sikob } 499103285Sikob#endif 500103285Sikob /* XXX xfree_free and untimeout on all xfers */ 501111078Ssimokawa for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 502111078Ssimokawa fwdev = fwdev_next) { 503111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 504111078Ssimokawa free(fwdev, M_FW); 505111078Ssimokawa } 506111074Ssimokawa for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 507111074Ssimokawa next = SLIST_NEXT(csrd, link); 508111074Ssimokawa free(csrd, M_FW); 509111074Ssimokawa } 510110195Ssimokawa free(sc->fc->topology_map, M_FW); 511110195Ssimokawa free(sc->fc->speed_map, M_FW); 512103285Sikob return(0); 513103285Sikob} 514103285Sikob#if 0 515103285Sikobstatic int 516103285Sikobfirewire_shutdown( device_t dev ) 517103285Sikob{ 518103285Sikob return 0; 519103285Sikob} 520103285Sikob#endif 521106790Ssimokawa 522110577Ssimokawa 523110577Ssimokawastatic void 524110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 525110577Ssimokawa{ 526110577Ssimokawa struct fw_xfer *xfer; 527110577Ssimokawa 528110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 529110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 530110577Ssimokawa xfer->resp = EAGAIN; 531110577Ssimokawa switch (xfer->act_type) { 532110577Ssimokawa case FWACT_XFER: 533110577Ssimokawa fw_xfer_done(xfer); 534110577Ssimokawa break; 535110577Ssimokawa default: 536110577Ssimokawa /* ??? */ 537110577Ssimokawa fw_xfer_free(xfer); 538110577Ssimokawa break; 539110577Ssimokawa } 540110577Ssimokawa } 541110577Ssimokawa} 542110577Ssimokawa 543110798Ssimokawavoid 544110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 545110798Ssimokawa{ 546110798Ssimokawa int i; 547110798Ssimokawa 548110798Ssimokawa fw_xferq_drain(fc->atq); 549110798Ssimokawa fw_xferq_drain(fc->ats); 550110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 551110798Ssimokawa fw_xferq_drain(fc->it[i]); 552110798Ssimokawa} 553110798Ssimokawa 554103285Sikob/* 555106790Ssimokawa * Called after bus reset. 556103285Sikob */ 557106790Ssimokawavoid 558106790Ssimokawafw_busreset(struct firewire_comm *fc) 559103285Sikob{ 560103285Sikob int i; 561103285Sikob 562103285Sikob switch(fc->status){ 563103285Sikob case FWBUSMGRELECT: 564110193Ssimokawa callout_stop(&fc->bmr_callout); 565103285Sikob break; 566103285Sikob default: 567103285Sikob break; 568103285Sikob } 569103285Sikob fc->status = FWBUSRESET; 570103285Sikob CSRARC(fc, STATE_CLEAR) 571103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 572103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 573103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 574103285Sikob 575103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 576103285Sikob fc->irm = -1; 577103285Sikob 578103285Sikob fc->max_node = -1; 579103285Sikob 580103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 581103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 582103285Sikob } 583103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 584103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 585103285Sikob CSRARC(fc, RESET_START) = 0; 586103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 587103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 588103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 589103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 590103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 591103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 592103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 593103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 594103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 595103285Sikob 596103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 597103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 598103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 599103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 600103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 601103285Sikob 602103285Sikob/* DV depend CSRs see blue book */ 603103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 604103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 605103285Sikob 606103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 607103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 608103285Sikob} 609106790Ssimokawa 610103285Sikob/* Call once after reboot */ 611106790Ssimokawavoid fw_init(struct firewire_comm *fc) 612103285Sikob{ 613103285Sikob int i; 614106543Ssimokawa struct csrdir *csrd; 615106543Ssimokawa#ifdef FW_VMACCESS 616103285Sikob struct fw_xfer *xfer; 617103285Sikob struct fw_bind *fwb; 618106543Ssimokawa#endif 619103285Sikob 620103285Sikob fc->max_asyretry = FW_MAXASYRTY; 621103285Sikob 622103285Sikob fc->arq->queued = 0; 623103285Sikob fc->ars->queued = 0; 624103285Sikob fc->atq->queued = 0; 625103285Sikob fc->ats->queued = 0; 626103285Sikob 627109379Ssimokawa fc->arq->psize = PAGE_SIZE; 628109379Ssimokawa fc->ars->psize = PAGE_SIZE; 629109379Ssimokawa fc->atq->psize = 0; 630109379Ssimokawa fc->ats->psize = 0; 631103285Sikob 632103285Sikob 633103285Sikob fc->arq->buf = NULL; 634103285Sikob fc->ars->buf = NULL; 635103285Sikob fc->atq->buf = NULL; 636103285Sikob fc->ats->buf = NULL; 637103285Sikob 638103285Sikob fc->arq->flag = FWXFERQ_PACKET; 639103285Sikob fc->ars->flag = FWXFERQ_PACKET; 640103285Sikob fc->atq->flag = FWXFERQ_PACKET; 641103285Sikob fc->ats->flag = FWXFERQ_PACKET; 642103285Sikob 643103285Sikob STAILQ_INIT(&fc->atq->q); 644103285Sikob STAILQ_INIT(&fc->ats->q); 645103285Sikob 646103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 647103285Sikob fc->it[i]->queued = 0; 648103285Sikob fc->ir[i]->queued = 0; 649103285Sikob 650103285Sikob fc->it[i]->start = NULL; 651103285Sikob fc->ir[i]->start = NULL; 652103285Sikob 653103285Sikob fc->it[i]->buf = NULL; 654103285Sikob fc->ir[i]->buf = NULL; 655103285Sikob 656103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 657103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 658103285Sikob 659103285Sikob STAILQ_INIT(&fc->it[i]->q); 660103285Sikob STAILQ_INIT(&fc->ir[i]->q); 661103285Sikob 662103285Sikob STAILQ_INIT(&fc->it[i]->binds); 663103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 664103285Sikob } 665103285Sikob 666103285Sikob fc->arq->maxq = FWMAXQUEUE; 667103285Sikob fc->ars->maxq = FWMAXQUEUE; 668103285Sikob fc->atq->maxq = FWMAXQUEUE; 669103285Sikob fc->ats->maxq = FWMAXQUEUE; 670103285Sikob 671103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 672103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 673103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 674103285Sikob } 675103285Sikob/* Initialize csr registers */ 676103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 677103285Sikob sizeof(struct fw_topology_map), 678110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 679103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 680103285Sikob sizeof(struct fw_speed_map), 681110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 682103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 683103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 684103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 685103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 686103285Sikob 687110193Ssimokawa STAILQ_INIT(&fc->devices); 688103285Sikob STAILQ_INIT(&fc->pending); 689103285Sikob 690103285Sikob/* Initialize csr ROM work space */ 691103285Sikob SLIST_INIT(&fc->ongocsr); 692103285Sikob SLIST_INIT(&fc->csrfree); 693103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 694110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 695103285Sikob if(csrd == NULL) break; 696103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 697103285Sikob } 698103285Sikob 699103285Sikob/* Initialize Async handlers */ 700103285Sikob STAILQ_INIT(&fc->binds); 701103285Sikob for( i = 0 ; i < 0x40 ; i++){ 702103285Sikob STAILQ_INIT(&fc->tlabels[i]); 703103285Sikob } 704103285Sikob 705103285Sikob/* DV depend CSRs see blue book */ 706103285Sikob#if 0 707103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 708103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 709103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 710103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 711103285Sikob } 712103285Sikob 713103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 714103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 715103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 716103285Sikob CSRARC(fc, i + iPCR) = 0x0; 717103285Sikob } 718103285Sikob#endif 719103285Sikob 720103285Sikob 721106543Ssimokawa#ifdef FW_VMACCESS 722103285Sikob xfer = fw_xfer_alloc(); 723103285Sikob if(xfer == NULL) return; 724103285Sikob 725110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 726103285Sikob if(fwb == NULL){ 727103285Sikob fw_xfer_free(xfer); 728103285Sikob } 729103285Sikob xfer->act.hand = fw_vmaccess; 730103285Sikob xfer->act_type = FWACT_XFER; 731103285Sikob xfer->fc = fc; 732103285Sikob xfer->sc = NULL; 733103285Sikob 734103285Sikob fwb->start_hi = 0x2; 735103285Sikob fwb->start_lo = 0; 736103285Sikob fwb->addrlen = 0xffffffff; 737103285Sikob fwb->xfer = xfer; 738103285Sikob fw_bindadd(fc, fwb); 739106543Ssimokawa#endif 740103285Sikob} 741106790Ssimokawa 742103285Sikob/* 743103285Sikob * To lookup binded process from IEEE1394 address. 744103285Sikob */ 745106813Ssimokawastruct fw_bind * 746106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 747103285Sikob{ 748103285Sikob struct fw_bind *tfw; 749103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 750103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 751103285Sikob if(tfw->xfer->act_type != FWACT_NULL && 752103285Sikob tfw->start_hi == dest_hi && 753103285Sikob tfw->start_lo <= dest_lo && 754103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 755103285Sikob return(tfw); 756103285Sikob } 757103285Sikob } 758103285Sikob return(NULL); 759103285Sikob} 760106790Ssimokawa 761103285Sikob/* 762103285Sikob * To bind IEEE1394 address block to process. 763103285Sikob */ 764106790Ssimokawaint 765106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 766103285Sikob{ 767103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 768103285Sikob int err = 0; 769103285Sikob tfw = STAILQ_FIRST(&fc->binds); 770103285Sikob if(tfw == NULL){ 771103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 772103285Sikob goto out; 773103285Sikob } 774103285Sikob if((tfw->start_hi > fwb->start_hi) || 775103285Sikob (tfw->start_hi == fwb->start_hi && 776103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 777103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 778103285Sikob goto out; 779103285Sikob } 780103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 781103285Sikob if((tfw->start_hi < fwb->start_hi) || 782103285Sikob (tfw->start_hi == fwb->start_hi && 783103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 784103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 785103285Sikob if(tfw2 == NULL) 786103285Sikob break; 787103285Sikob if((tfw2->start_hi > fwb->start_hi) || 788103285Sikob (tfw2->start_hi == fwb->start_hi && 789103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 790103285Sikob break; 791103285Sikob }else{ 792103285Sikob err = EBUSY; 793103285Sikob goto out; 794103285Sikob } 795103285Sikob } 796103285Sikob } 797103285Sikob if(tfw != NULL){ 798103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 799103285Sikob }else{ 800103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 801103285Sikob } 802103285Sikobout: 803103285Sikob if(!err && fwb->xfer->act_type == FWACT_CH){ 804103285Sikob STAILQ_INSERT_HEAD(&fc->ir[fwb->xfer->sub]->binds, fwb, chlist); 805103285Sikob } 806103285Sikob return err; 807103285Sikob} 808103285Sikob 809103285Sikob/* 810103285Sikob * To free IEEE1394 address block. 811103285Sikob */ 812106790Ssimokawaint 813106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 814103285Sikob{ 815103285Sikob int s; 816103285Sikob 817103285Sikob s = splfw(); 818103285Sikob /* shall we check the existance? */ 819103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 820103285Sikob splx(s); 821103285Sikob if (fwb->xfer) 822103285Sikob fw_xfer_free(fwb->xfer); 823103285Sikob 824103285Sikob return 0; 825103285Sikob} 826103285Sikob 827103285Sikob/* 828103285Sikob * To free transaction label. 829103285Sikob */ 830106790Ssimokawastatic void 831106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 832103285Sikob{ 833103285Sikob struct tlabel *tl; 834103285Sikob int s = splfw(); 835103285Sikob 836103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 837103285Sikob tl = STAILQ_NEXT(tl, link)){ 838103285Sikob if(tl->xfer == xfer){ 839103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 840110195Ssimokawa free(tl, M_FW); 841103285Sikob splx(s); 842103285Sikob return; 843103285Sikob } 844103285Sikob } 845103285Sikob splx(s); 846103285Sikob return; 847103285Sikob} 848106790Ssimokawa 849103285Sikob/* 850103285Sikob * To obtain XFER structure by transaction label. 851103285Sikob */ 852106790Ssimokawastatic struct fw_xfer * 853106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 854103285Sikob{ 855103285Sikob struct fw_xfer *xfer; 856103285Sikob struct tlabel *tl; 857103285Sikob int s = splfw(); 858103285Sikob 859103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 860103285Sikob tl = STAILQ_NEXT(tl, link)){ 861103285Sikob if(tl->xfer->dst == node){ 862103285Sikob xfer = tl->xfer; 863103285Sikob splx(s); 864110577Ssimokawa if (firewire_debug > 2) 865110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 866103285Sikob return(xfer); 867103285Sikob } 868103285Sikob } 869110577Ssimokawa if (firewire_debug > 1) 870110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 871103285Sikob splx(s); 872103285Sikob return(NULL); 873103285Sikob} 874106790Ssimokawa 875103285Sikob/* 876103285Sikob * To allocate IEEE1394 XFER structure. 877103285Sikob */ 878106790Ssimokawastruct fw_xfer * 879110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 880103285Sikob{ 881103285Sikob struct fw_xfer *xfer; 882106790Ssimokawa 883110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 884106790Ssimokawa if (xfer == NULL) 885106790Ssimokawa return xfer; 886106790Ssimokawa 887110577Ssimokawa microtime(&xfer->tv); 888103285Sikob xfer->sub = -1; 889110269Ssimokawa xfer->malloc = type; 890106790Ssimokawa 891103285Sikob return xfer; 892103285Sikob} 893106790Ssimokawa 894103285Sikob/* 895103285Sikob * IEEE1394 XFER post process. 896103285Sikob */ 897103285Sikobvoid 898103285Sikobfw_xfer_done(struct fw_xfer *xfer) 899103285Sikob{ 900103285Sikob if (xfer->act.hand == NULL) 901103285Sikob return; 902103285Sikob 903103285Sikob#if XFER_TIMEOUT 904103285Sikob untimeout(fw_xfer_timeout, (void *)xfer, xfer->ch); 905103285Sikob#endif 906103285Sikob 907103285Sikob if (xfer->fc->status != FWBUSRESET) 908103285Sikob xfer->act.hand(xfer); 909103285Sikob else { 910103285Sikob printf("fw_xfer_done: pending\n"); 911103285Sikob if (xfer->fc != NULL) 912103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 913103285Sikob else 914103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 915103285Sikob } 916103285Sikob} 917103285Sikob 918103285Sikob/* 919103285Sikob * To free IEEE1394 XFER structure. 920103285Sikob */ 921106790Ssimokawavoid 922106790Ssimokawafw_xfer_free( struct fw_xfer* xfer) 923103285Sikob{ 924103285Sikob int s; 925103285Sikob if(xfer == NULL ) return; 926103285Sikob if(xfer->state == FWXF_INQ){ 927103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 928103285Sikob s = splfw(); 929103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 930103285Sikob xfer->q->queued --; 931103285Sikob splx(s); 932103285Sikob } 933103285Sikob if(xfer->fc != NULL){ 934103285Sikob if(xfer->state == FWXF_START){ 935103285Sikob#if 0 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 936103285Sikob printf("fw_xfer_free FWXF_START\n"); 937103285Sikob#endif 938103285Sikob s = splfw(); 939103285Sikob xfer->q->drain(xfer->fc, xfer); 940103285Sikob splx(s); 941103285Sikob } 942103285Sikob } 943103285Sikob if(xfer->send.buf != NULL){ 944110195Ssimokawa free(xfer->send.buf, M_FW); 945103285Sikob } 946103285Sikob if(xfer->recv.buf != NULL){ 947110195Ssimokawa free(xfer->recv.buf, M_FW); 948103285Sikob } 949103285Sikob if(xfer->fc != NULL){ 950103285Sikob fw_tl_free(xfer->fc, xfer); 951103285Sikob } 952110269Ssimokawa free(xfer, xfer->malloc); 953103285Sikob} 954103285Sikob 955103285Sikobstatic void 956110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 957103285Sikob{ 958103285Sikob#if 0 959110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 960103285Sikob xfer->state, xfer->resp); 961103285Sikob#endif 962103285Sikob fw_xfer_free(xfer); 963103285Sikob} 964103285Sikob 965103285Sikob/* 966103285Sikob * To configure PHY. 967103285Sikob */ 968103285Sikobstatic void 969103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 970103285Sikob{ 971103285Sikob struct fw_xfer *xfer; 972103285Sikob struct fw_pkt *fp; 973103285Sikob 974103285Sikob fc->status = FWBUSPHYCONF; 975103285Sikob 976109280Ssimokawa#if 0 977103285Sikob DELAY(100000); 978109280Ssimokawa#endif 979110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 980103285Sikob xfer->send.len = 12; 981103285Sikob xfer->send.off = 0; 982103285Sikob xfer->fc = fc; 983103285Sikob xfer->retry_req = fw_asybusy; 984110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 985103285Sikob 986103285Sikob xfer->send.buf = malloc(sizeof(u_int32_t), 987110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 988103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 989103285Sikob fp->mode.ld[1] = 0; 990103285Sikob if (root_node >= 0) 991103285Sikob fp->mode.ld[1] |= htonl((root_node & 0x3f) << 24 | 1 << 23); 992103285Sikob if (gap_count >= 0) 993103285Sikob fp->mode.ld[1] |= htonl(1 << 22 | (gap_count & 0x3f) << 16); 994103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 995103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 996103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 997103285Sikob 998107653Ssimokawa if (firewire_debug) 999107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1000103285Sikob root_node, gap_count); 1001103285Sikob fw_asyreq(fc, -1, xfer); 1002103285Sikob} 1003103285Sikob 1004103285Sikob#if 0 1005103285Sikob/* 1006103285Sikob * Dump self ID. 1007103285Sikob */ 1008103285Sikobstatic void 1009103285Sikobfw_print_sid(u_int32_t sid) 1010103285Sikob{ 1011103285Sikob union fw_self_id *s; 1012103285Sikob s = (union fw_self_id *) &sid; 1013103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1014103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1015103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1016103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1017103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1018103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1019103285Sikob} 1020103285Sikob#endif 1021103285Sikob 1022103285Sikob/* 1023103285Sikob * To receive self ID. 1024103285Sikob */ 1025103285Sikobvoid fw_sidrcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int off) 1026103285Sikob{ 1027103285Sikob u_int32_t *p, *sid = (u_int32_t *)(buf + off); 1028103285Sikob union fw_self_id *self_id; 1029103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1030103285Sikob 1031103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1032103285Sikob fc->status = FWBUSINIT; 1033103285Sikob fc->max_node = fc->nodeid & 0x3f; 1034103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1035103285Sikob fc->status = FWBUSCYMELECT; 1036103285Sikob fc->topology_map->crc_len = 2; 1037103285Sikob fc->topology_map->generation ++; 1038103285Sikob fc->topology_map->self_id_count = 0; 1039103285Sikob fc->topology_map->node_count = 0; 1040103285Sikob fc->speed_map->generation ++; 1041103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1042103285Sikob self_id = &fc->topology_map->self_id[0]; 1043103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1044103285Sikob if (sid[1] != ~sid[0]) { 1045103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1046103285Sikob sid += 2; 1047103285Sikob continue; 1048103285Sikob } 1049103285Sikob *self_id = *((union fw_self_id *)sid); 1050103285Sikob fc->topology_map->crc_len++; 1051103285Sikob if(self_id->p0.sequel == 0){ 1052103285Sikob fc->topology_map->node_count ++; 1053103285Sikob c_port = 0; 1054103285Sikob#if 0 1055103285Sikob fw_print_sid(sid[0]); 1056103285Sikob#endif 1057103285Sikob node = self_id->p0.phy_id; 1058103285Sikob if(fc->max_node < node){ 1059103285Sikob fc->max_node = self_id->p0.phy_id; 1060103285Sikob } 1061103285Sikob /* XXX I'm not sure this is the right speed_map */ 1062103285Sikob fc->speed_map->speed[node][node] 1063103285Sikob = self_id->p0.phy_speed; 1064103285Sikob for (j = 0; j < node; j ++) { 1065103285Sikob fc->speed_map->speed[j][node] 1066103285Sikob = fc->speed_map->speed[node][j] 1067103285Sikob = min(fc->speed_map->speed[j][j], 1068103285Sikob self_id->p0.phy_speed); 1069103285Sikob } 1070103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1071103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1072103285Sikob fc->irm = self_id->p0.phy_id; 1073103285Sikob } 1074103285Sikob if(self_id->p0.port0 >= 0x2){ 1075103285Sikob c_port++; 1076103285Sikob } 1077103285Sikob if(self_id->p0.port1 >= 0x2){ 1078103285Sikob c_port++; 1079103285Sikob } 1080103285Sikob if(self_id->p0.port2 >= 0x2){ 1081103285Sikob c_port++; 1082103285Sikob } 1083103285Sikob } 1084103285Sikob if(c_port > 2){ 1085103285Sikob i_branch += (c_port - 2); 1086103285Sikob } 1087103285Sikob sid += 2; 1088103285Sikob self_id++; 1089103285Sikob fc->topology_map->self_id_count ++; 1090103285Sikob } 1091108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1092103285Sikob /* CRC */ 1093103285Sikob fc->topology_map->crc = fw_crc16( 1094103285Sikob (u_int32_t *)&fc->topology_map->generation, 1095103285Sikob fc->topology_map->crc_len * 4); 1096103285Sikob fc->speed_map->crc = fw_crc16( 1097103285Sikob (u_int32_t *)&fc->speed_map->generation, 1098103285Sikob fc->speed_map->crc_len * 4); 1099103285Sikob /* byteswap and copy to CSR */ 1100103285Sikob p = (u_int32_t *)fc->topology_map; 1101103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1102103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1103103285Sikob p = (u_int32_t *)fc->speed_map; 1104103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1105103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1106103285Sikob /* don't byte-swap u_int8_t array */ 1107103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1108103285Sikob 1109103285Sikob fc->max_hop = fc->max_node - i_branch; 1110103285Sikob#if 1 1111103285Sikob printf(", maxhop <= %d", fc->max_hop); 1112103285Sikob#endif 1113103285Sikob 1114103285Sikob if(fc->irm == -1 ){ 1115103285Sikob printf(", Not found IRM capable node"); 1116103285Sikob }else{ 1117103285Sikob printf(", cable IRM = %d", fc->irm); 1118103285Sikob if (fc->irm == fc->nodeid) 1119110016Ssimokawa printf(" (me)"); 1120103285Sikob } 1121110016Ssimokawa printf("\n"); 1122103285Sikob 1123109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1124109736Ssimokawa if (fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)) { 1125103285Sikob fc->status = FWBUSMGRDONE; 1126103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1127109736Ssimokawa } else { 1128103285Sikob fc->status = FWBUSMGRELECT; 1129110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1130110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1131103285Sikob } 1132109736Ssimokawa } else { 1133103285Sikob fc->status = FWBUSMGRDONE; 1134109736Ssimokawa#if 0 1135108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1136108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1137109736Ssimokawa#endif 1138103285Sikob } 1139110195Ssimokawa free(buf, M_FW); 1140103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1141110072Ssimokawa /* I am BMGR */ 1142110072Ssimokawa fw_bmr(fc); 1143103285Sikob } 1144108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1145108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1146103285Sikob} 1147106790Ssimokawa 1148103285Sikob/* 1149103285Sikob * To probe devices on the IEEE1394 bus. 1150103285Sikob */ 1151106790Ssimokawastatic void 1152106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1153103285Sikob{ 1154103285Sikob int s; 1155103285Sikob struct fw_device *fwdev, *next; 1156103285Sikob 1157103285Sikob s = splfw(); 1158103285Sikob fc->status = FWBUSEXPLORE; 1159103285Sikob fc->retry_count = 0; 1160103285Sikob 1161103285Sikob/* 1162103285Sikob * Invalidate all devices, just after bus reset. Devices 1163103285Sikob * to be removed has not been seen longer time. 1164103285Sikob */ 1165110193Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1166110193Ssimokawa next = STAILQ_NEXT(fwdev, link); 1167110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1168103285Sikob fwdev->status = FWDEVINVAL; 1169103285Sikob fwdev->rcnt = 0; 1170110193Ssimokawa } else if(fwdev->rcnt < FW_MAXDEVRCNT) { 1171103285Sikob fwdev->rcnt ++; 1172110193Ssimokawa } else { 1173110193Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, link); 1174110195Ssimokawa free(fwdev, M_FW); 1175103285Sikob } 1176103285Sikob } 1177103285Sikob fc->ongonode = 0; 1178103285Sikob fc->ongoaddr = CSRROMOFF; 1179103285Sikob fc->ongodev = NULL; 1180103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1181103285Sikob fw_bus_explore(fc); 1182103285Sikob splx(s); 1183103285Sikob} 1184106790Ssimokawa 1185103285Sikob/* 1186103285Sikob * To collect device informations on the IEEE1394 bus. 1187103285Sikob */ 1188106790Ssimokawastatic void 1189106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1190103285Sikob{ 1191103285Sikob int err = 0; 1192110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1193103285Sikob u_int32_t addr; 1194103285Sikob struct fw_xfer *xfer; 1195103285Sikob struct fw_pkt *fp; 1196103285Sikob 1197103285Sikob if(fc->status != FWBUSEXPLORE) 1198103285Sikob return; 1199103285Sikob 1200103285Sikobloop: 1201103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1202103285Sikob 1203103285Sikob if(fc->ongonode > fc->max_node) goto done; 1204103285Sikob if(fc->ongonode >= 0x3f) goto done; 1205103285Sikob 1206103285Sikob /* check link */ 1207103285Sikob /* XXX we need to check phy_id first */ 1208103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1209110577Ssimokawa if (firewire_debug) 1210110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1211103285Sikob fc->ongonode++; 1212103285Sikob goto loop; 1213103285Sikob } 1214103285Sikob 1215103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1216103285Sikob fc->ongoeui.hi == 0xffffffff && 1217103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1218103285Sikob fc->ongoaddr = CSRROMOFF; 1219103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1220103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1221103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1222103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1223103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1224103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1225103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1226103285Sikob }else if(fc->ongodev == NULL){ 1227110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1228110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1229103285Sikob break; 1230103285Sikob if(fwdev != NULL){ 1231103285Sikob fwdev->dst = fc->ongonode; 1232103285Sikob fwdev->status = FWDEVATTACHED; 1233103285Sikob fc->ongonode++; 1234103285Sikob fc->ongoaddr = CSRROMOFF; 1235103285Sikob fc->ongodev = NULL; 1236103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1237103285Sikob goto loop; 1238103285Sikob } 1239110195Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, M_NOWAIT); 1240103285Sikob if(fwdev == NULL) 1241103285Sikob return; 1242106810Ssimokawa fwdev->fc = fc; 1243103285Sikob fwdev->rommax = 0; 1244103285Sikob fwdev->dst = fc->ongonode; 1245103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1246103285Sikob fwdev->status = FWDEVINIT; 1247103285Sikob#if 0 1248103285Sikob fwdev->speed = CSRARC(fc, SPED_MAP + 8 + fc->ongonode / 4) 1249103285Sikob >> ((3 - (fc->ongonode % 4)) * 8); 1250103285Sikob#else 1251103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1252103285Sikob#endif 1253103285Sikob 1254110179Ssimokawa pfwdev = NULL; 1255110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1256110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1257110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1258110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1259110179Ssimokawa break; 1260110179Ssimokawa pfwdev = tfwdev; 1261103285Sikob } 1262110179Ssimokawa if (pfwdev == NULL) 1263110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1264110179Ssimokawa else 1265110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1266103285Sikob 1267108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1268107653Ssimokawa linkspeed[fwdev->speed], 1269107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1270103285Sikob 1271103285Sikob fc->ongodev = fwdev; 1272103285Sikob fc->ongoaddr = CSRROMOFF; 1273103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1274103285Sikob }else{ 1275103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1276103285Sikob } 1277103285Sikob#if 0 1278103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1279103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1280103285Sikob fw_bus_explore_callback); 1281103285Sikob if(xfer == NULL) goto done; 1282103285Sikob#else 1283110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1284103285Sikob if(xfer == NULL){ 1285103285Sikob goto done; 1286103285Sikob } 1287103285Sikob xfer->send.len = 16; 1288103285Sikob xfer->spd = 0; 1289110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1290103285Sikob if(xfer->send.buf == NULL){ 1291103285Sikob fw_xfer_free( xfer); 1292103285Sikob return; 1293103285Sikob } 1294103285Sikob 1295103285Sikob xfer->send.off = 0; 1296103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1297103285Sikob fp->mode.rreqq.dest_hi = htons(0xffff); 1298103285Sikob fp->mode.rreqq.tlrt = 0; 1299103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1300103285Sikob fp->mode.rreqq.pri = 0; 1301103285Sikob fp->mode.rreqq.src = 0; 1302103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1303103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1304103285Sikob fp->mode.rreqq.dest_lo = htonl(addr); 1305103285Sikob xfer->act.hand = fw_bus_explore_callback; 1306103285Sikob 1307110577Ssimokawa if (firewire_debug) 1308110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1309110577Ssimokawa fc->ongonode, fc->ongoaddr); 1310103285Sikob err = fw_asyreq(fc, -1, xfer); 1311103285Sikob if(err){ 1312103285Sikob fw_xfer_free( xfer); 1313103285Sikob return; 1314103285Sikob } 1315103285Sikob#endif 1316103285Sikob return; 1317103285Sikobdone: 1318103285Sikob /* fw_attach_devs */ 1319103285Sikob fc->status = FWBUSEXPDONE; 1320107653Ssimokawa if (firewire_debug) 1321107653Ssimokawa printf("bus_explore done\n"); 1322103285Sikob fw_attach_dev(fc); 1323103285Sikob return; 1324103285Sikob 1325103285Sikob} 1326106790Ssimokawa 1327103285Sikob/* Portable Async. request read quad */ 1328106790Ssimokawastruct fw_xfer * 1329106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1330105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1331105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1332103285Sikob{ 1333103285Sikob struct fw_xfer *xfer; 1334103285Sikob struct fw_pkt *fp; 1335103285Sikob int err; 1336103285Sikob 1337110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1338103285Sikob if(xfer == NULL){ 1339103285Sikob return NULL; 1340103285Sikob } 1341103285Sikob xfer->send.len = 16; 1342103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1343110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1344103285Sikob if(xfer->send.buf == NULL){ 1345103285Sikob fw_xfer_free( xfer); 1346103285Sikob return NULL; 1347103285Sikob } 1348103285Sikob 1349103285Sikob xfer->send.off = 0; 1350103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1351103285Sikob fp->mode.rreqq.dest_hi = htons(addr_hi & 0xffff); 1352103285Sikob if(tl & FWP_TL_VALID){ 1353103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1354103285Sikob }else{ 1355103285Sikob fp->mode.rreqq.tlrt = 0; 1356103285Sikob } 1357103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1358103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1359103285Sikob fp->mode.rreqq.pri = 0; 1360103285Sikob fp->mode.rreqq.src = 0; 1361103285Sikob xfer->dst = addr_hi >> 16; 1362103285Sikob fp->mode.rreqq.dst = htons(xfer->dst); 1363103285Sikob fp->mode.rreqq.dest_lo = htonl(addr_lo); 1364103285Sikob xfer->act.hand = hand; 1365103285Sikob 1366103285Sikob err = fw_asyreq(fc, -1, xfer); 1367103285Sikob if(err){ 1368103285Sikob fw_xfer_free( xfer); 1369103285Sikob return NULL; 1370103285Sikob } 1371103285Sikob return xfer; 1372103285Sikob} 1373106790Ssimokawa 1374103285Sikob/* 1375103285Sikob * Callback for the IEEE1394 bus information collection. 1376103285Sikob */ 1377106790Ssimokawastatic void 1378106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1379106790Ssimokawa{ 1380103285Sikob struct firewire_comm *fc; 1381103285Sikob struct fw_pkt *sfp,*rfp; 1382103285Sikob struct csrhdr *chdr; 1383103285Sikob struct csrdir *csrd; 1384103285Sikob struct csrreg *csrreg; 1385103285Sikob u_int32_t offset; 1386103285Sikob 1387103285Sikob 1388110577Ssimokawa if(xfer == NULL) { 1389110577Ssimokawa printf("xfer == NULL\n"); 1390110577Ssimokawa return; 1391110577Ssimokawa } 1392103285Sikob fc = xfer->fc; 1393110577Ssimokawa 1394110577Ssimokawa if (firewire_debug) 1395110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1396110577Ssimokawa fc->ongonode, fc->ongoaddr); 1397110577Ssimokawa 1398103285Sikob if(xfer->resp != 0){ 1399110577Ssimokawa printf("node%d: resp=%d addr=0x%x\n", 1400110577Ssimokawa fc->ongonode, xfer->resp, fc->ongoaddr); 1401103285Sikob fc->retry_count++; 1402103285Sikob goto nextnode; 1403103285Sikob } 1404103285Sikob 1405103285Sikob if(xfer->send.buf == NULL){ 1406110577Ssimokawa printf("node%d: send.buf=NULL addr=0x%x\n", 1407103285Sikob fc->ongonode, fc->ongoaddr); 1408103285Sikob fc->retry_count++; 1409103285Sikob goto nextnode; 1410103285Sikob } 1411103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1412103285Sikob 1413103285Sikob if(xfer->recv.buf == NULL){ 1414110577Ssimokawa printf("node%d: recv.buf=NULL addr=0x%x\n", 1415103285Sikob fc->ongonode, fc->ongoaddr); 1416103285Sikob fc->retry_count++; 1417103285Sikob goto nextnode; 1418103285Sikob } 1419103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1420103285Sikob#if 0 1421103285Sikob { 1422103285Sikob u_int32_t *qld; 1423103285Sikob int i; 1424103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1425103285Sikob printf("len:%d\n", xfer->recv.len); 1426103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1427103285Sikob printf("0x%08x ", ntohl(rfp->mode.ld[i/4])); 1428103285Sikob if((i % 16) == 15) printf("\n"); 1429103285Sikob } 1430103285Sikob if((i % 16) != 15) printf("\n"); 1431103285Sikob } 1432103285Sikob#endif 1433103285Sikob if(fc->ongodev == NULL){ 1434103285Sikob if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 | CSRROMOFF))){ 1435103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1436103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1437110577Ssimokawa/* If CSR is minimal confinguration, more investgation is not needed. */ 1438103285Sikob if(chdr->info_len == 1){ 1439110577Ssimokawa if (firewire_debug) 1440110577Ssimokawa printf("node%d: minimal config\n", 1441110577Ssimokawa fc->ongonode); 1442103285Sikob goto nextnode; 1443103285Sikob }else{ 1444103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1445103285Sikob } 1446103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0xc)))){ 1447103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1448103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1449103285Sikob }else if(sfp->mode.rreqq.dest_lo == htonl((0xf0000000 |(CSRROMOFF + 0x10)))){ 1450103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1451110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1452110577Ssimokawa if (firewire_debug) 1453110577Ssimokawa printf("node%d: eui64 is zero.\n", 1454110577Ssimokawa fc->ongonode); 1455103285Sikob goto nextnode; 1456110577Ssimokawa } 1457103285Sikob fc->ongoaddr = CSRROMOFF; 1458103285Sikob } 1459103285Sikob }else{ 1460103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1461103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1462103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1463103285Sikob } 1464103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1465103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1466103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1467103285Sikob offset = CSRROMOFF; 1468103285Sikob }else{ 1469103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1470103285Sikob offset = csrd->off; 1471103285Sikob } 1472103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1473103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1474103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1475103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1476103285Sikob if(csrd == NULL){ 1477103285Sikob goto nextnode; 1478103285Sikob }else{ 1479103285Sikob csrd->ongoaddr = fc->ongoaddr; 1480103285Sikob fc->ongoaddr += csrreg->val * 4; 1481103285Sikob csrd->off = fc->ongoaddr; 1482103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1483103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1484103285Sikob goto nextaddr; 1485103285Sikob } 1486103285Sikob } 1487103285Sikob } 1488103285Sikob fc->ongoaddr += 4; 1489103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1490103285Sikob (fc->ongodev->rommax < 0x414)){ 1491103285Sikob if(fc->ongodev->rommax <= 0x414){ 1492103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1493103285Sikob if(csrd == NULL) goto nextnode; 1494103285Sikob csrd->off = fc->ongoaddr; 1495103285Sikob csrd->ongoaddr = fc->ongoaddr; 1496103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1497103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1498103285Sikob } 1499103285Sikob goto nextaddr; 1500103285Sikob } 1501103285Sikob 1502103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1503103285Sikob if(csrd == NULL){ 1504103285Sikob goto nextnode; 1505103285Sikob }; 1506103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1507103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1508103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1509103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1510103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1511103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1512103285Sikob offset = CSRROMOFF; 1513103285Sikob }else{ 1514103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1515103285Sikob offset = csrd->off; 1516103285Sikob } 1517103285Sikob } 1518103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1519103285Sikob goto nextnode; 1520103285Sikob } 1521103285Sikob } 1522103285Sikobnextaddr: 1523103285Sikob fw_xfer_free( xfer); 1524103285Sikob fw_bus_explore(fc); 1525103285Sikob return; 1526103285Sikobnextnode: 1527103285Sikob fw_xfer_free( xfer); 1528103285Sikob fc->ongonode++; 1529103285Sikob/* housekeeping work space */ 1530103285Sikob fc->ongoaddr = CSRROMOFF; 1531103285Sikob fc->ongodev = NULL; 1532103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1533103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1534103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1535103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1536103285Sikob } 1537103285Sikob fw_bus_explore(fc); 1538103285Sikob return; 1539103285Sikob} 1540103285Sikob 1541103285Sikob/* 1542103285Sikob * To obtain CSR register values. 1543103285Sikob */ 1544106815Ssimokawau_int32_t 1545106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1546103285Sikob{ 1547103285Sikob int i; 1548103285Sikob struct csrhdr *chdr; 1549103285Sikob struct csrreg *creg; 1550103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1551103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1552103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1553103285Sikob if(creg->key == key){ 1554103285Sikob return (u_int32_t)creg->val; 1555103285Sikob } 1556103285Sikob } 1557103285Sikob return 0; 1558103285Sikob} 1559106815Ssimokawa 1560103285Sikob/* 1561103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1562103285Sikob */ 1563106815Ssimokawastatic void 1564106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1565103285Sikob{ 1566103285Sikob struct fw_device *fwdev; 1567103285Sikob struct fw_xfer *xfer; 1568103285Sikob int i, err; 1569103285Sikob device_t *devlistp; 1570103285Sikob int devcnt; 1571103285Sikob struct firewire_dev_comm *fdc; 1572108701Ssimokawa u_int32_t spec, ver; 1573103285Sikob 1574110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) { 1575103285Sikob if(fwdev->status == FWDEVINIT){ 1576108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1577108701Ssimokawa if(spec == 0) 1578103285Sikob continue; 1579108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1580108701Ssimokawa if(ver == 0) 1581103285Sikob continue; 1582103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1583103285Sikob 1584108655Ssimokawa device_printf(fc->bdev, "Device "); 1585108701Ssimokawa switch(spec){ 1586103285Sikob case CSRVAL_ANSIT10: 1587108701Ssimokawa switch(ver){ 1588103285Sikob case CSRVAL_T10SBP2: 1589107653Ssimokawa printf("SBP-II"); 1590103285Sikob break; 1591103285Sikob default: 1592103285Sikob break; 1593103285Sikob } 1594103285Sikob break; 1595103285Sikob case CSRVAL_1394TA: 1596108701Ssimokawa switch(ver){ 1597103285Sikob case CSR_PROTAVC: 1598107653Ssimokawa printf("AV/C"); 1599103285Sikob break; 1600103285Sikob case CSR_PROTCAL: 1601107653Ssimokawa printf("CAL"); 1602103285Sikob break; 1603103285Sikob case CSR_PROTEHS: 1604107653Ssimokawa printf("EHS"); 1605103285Sikob break; 1606103285Sikob case CSR_PROTHAVI: 1607107653Ssimokawa printf("HAVi"); 1608103285Sikob break; 1609103285Sikob case CSR_PROTCAM104: 1610107653Ssimokawa printf("1394 Cam 1.04"); 1611103285Sikob break; 1612103285Sikob case CSR_PROTCAM120: 1613107653Ssimokawa printf("1394 Cam 1.20"); 1614103285Sikob break; 1615103285Sikob case CSR_PROTCAM130: 1616107653Ssimokawa printf("1394 Cam 1.30"); 1617103285Sikob break; 1618103285Sikob case CSR_PROTDPP: 1619107653Ssimokawa printf("1394 Direct print"); 1620103285Sikob break; 1621103285Sikob case CSR_PROTIICP: 1622107653Ssimokawa printf("Industrial & Instrument"); 1623103285Sikob break; 1624103285Sikob default: 1625107653Ssimokawa printf("unknown 1394TA"); 1626103285Sikob break; 1627103285Sikob } 1628103285Sikob break; 1629103285Sikob default: 1630107653Ssimokawa printf("unknown spec"); 1631103285Sikob break; 1632103285Sikob } 1633103285Sikob fwdev->status = FWDEVATTACHED; 1634103285Sikob printf("\n"); 1635103285Sikob } 1636103285Sikob } 1637108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1638103285Sikob if( err != 0 ) 1639103285Sikob return; 1640103285Sikob for( i = 0 ; i < devcnt ; i++){ 1641103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1642103285Sikob fdc = device_get_softc(devlistp[i]); 1643103285Sikob if (fdc->post_explore != NULL) 1644103285Sikob fdc->post_explore(fdc); 1645103285Sikob } 1646103285Sikob } 1647103285Sikob free(devlistp, M_TEMP); 1648103285Sikob 1649103285Sikob /* call pending handlers */ 1650103285Sikob i = 0; 1651103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1652103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1653103285Sikob i++; 1654103285Sikob if (xfer->act.hand) 1655103285Sikob xfer->act.hand(xfer); 1656103285Sikob } 1657103285Sikob if (i > 0) 1658103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1659103285Sikob if (fc->retry_count > 0) { 1660111040Ssimokawa printf("probe failed for %d node\n", fc->retry_count); 1661111040Ssimokawa#if 0 1662110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1663110193Ssimokawa (void *)fc->ibr, (void *)fc); 1664111040Ssimokawa#endif 1665103285Sikob } 1666103285Sikob return; 1667103285Sikob} 1668106815Ssimokawa 1669103285Sikob/* 1670103285Sikob * To allocate uniq transaction label. 1671103285Sikob */ 1672106815Ssimokawastatic int 1673106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1674103285Sikob{ 1675103285Sikob u_int i; 1676103285Sikob struct tlabel *tl, *tmptl; 1677103285Sikob int s; 1678103285Sikob static u_int32_t label = 0; 1679103285Sikob 1680103285Sikob s = splfw(); 1681103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1682103285Sikob label = (label + 1) & 0x3f; 1683103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1684103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1685103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1686103285Sikob } 1687103285Sikob if(tmptl == NULL) { 1688110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1689103285Sikob if (tl == NULL) { 1690103285Sikob splx(s); 1691103285Sikob return (-1); 1692103285Sikob } 1693103285Sikob tl->xfer = xfer; 1694103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1695103285Sikob splx(s); 1696110577Ssimokawa if (firewire_debug > 1) 1697110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1698110577Ssimokawa xfer->dst, label); 1699103285Sikob return(label); 1700103285Sikob } 1701103285Sikob } 1702103285Sikob splx(s); 1703103285Sikob 1704103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1705103285Sikob return(-1); 1706103285Sikob} 1707106815Ssimokawa 1708103285Sikob/* 1709103285Sikob * Generic packet receving process. 1710103285Sikob */ 1711106815Ssimokawavoid 1712106815Ssimokawafw_rcv(struct firewire_comm* fc, caddr_t buf, u_int len, u_int sub, u_int off, u_int spd) 1713103285Sikob{ 1714103285Sikob struct fw_pkt *fp, *resfp; 1715103285Sikob struct fw_xfer *xfer; 1716103285Sikob struct fw_bind *bind; 1717103285Sikob struct firewire_softc *sc; 1718103285Sikob int s; 1719103285Sikob#if 0 1720103285Sikob { 1721103285Sikob u_int32_t *qld; 1722103285Sikob int i; 1723103285Sikob qld = (u_int32_t *)buf; 1724103285Sikob printf("spd %d len:%d\n", spd, len); 1725103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1726103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1727103285Sikob if((i % 16) == 15) printf("\n"); 1728103285Sikob } 1729103285Sikob if((i % 16) != 15) printf("\n"); 1730103285Sikob } 1731103285Sikob#endif 1732103285Sikob fp = (struct fw_pkt *)(buf + off); 1733103285Sikob switch(fp->mode.common.tcode){ 1734103285Sikob case FWTCODE_WRES: 1735103285Sikob case FWTCODE_RRESQ: 1736103285Sikob case FWTCODE_RRESB: 1737103285Sikob case FWTCODE_LRES: 1738103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1739103285Sikob fp->mode.hdr.tlrt >> 2); 1740103285Sikob if(xfer == NULL) { 1741103285Sikob printf("fw_rcv: unknown response " 1742110891Ssimokawa "tcode=%d src=0x%x tl=0x%x rt=%d data=0x%x\n", 1743103285Sikob fp->mode.common.tcode, 1744103285Sikob ntohs(fp->mode.hdr.src), 1745103285Sikob fp->mode.hdr.tlrt >> 2, 1746103285Sikob fp->mode.hdr.tlrt & 3, 1747103285Sikob fp->mode.rresq.data); 1748103285Sikob#if 1 1749103285Sikob printf("try ad-hoc work around!!\n"); 1750103285Sikob xfer = fw_tl2xfer(fc, ntohs(fp->mode.hdr.src), 1751103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1752103285Sikob if (xfer == NULL) { 1753103285Sikob printf("no use...\n"); 1754103285Sikob goto err; 1755103285Sikob } 1756103285Sikob#else 1757103285Sikob goto err; 1758103285Sikob#endif 1759103285Sikob } 1760103285Sikob switch(xfer->act_type){ 1761103285Sikob case FWACT_XFER: 1762103285Sikob if((xfer->sub >= 0) && 1763103285Sikob ((fc->ir[xfer->sub]->flag & FWXFERQ_MODEMASK ) == 0)){ 1764103285Sikob xfer->resp = EINVAL; 1765103285Sikob fw_xfer_done(xfer); 1766103285Sikob goto err; 1767103285Sikob } 1768103285Sikob xfer->recv.len = len; 1769103285Sikob xfer->recv.off = off; 1770103285Sikob xfer->recv.buf = buf; 1771103285Sikob xfer->resp = 0; 1772103285Sikob fw_xfer_done(xfer); 1773103285Sikob return; 1774103285Sikob break; 1775103285Sikob case FWACT_CH: 1776103285Sikob default: 1777103285Sikob goto err; 1778103285Sikob break; 1779103285Sikob } 1780103285Sikob break; 1781103285Sikob case FWTCODE_WREQQ: 1782103285Sikob case FWTCODE_WREQB: 1783103285Sikob case FWTCODE_RREQQ: 1784103285Sikob case FWTCODE_RREQB: 1785103285Sikob case FWTCODE_LREQ: 1786103285Sikob bind = fw_bindlookup(fc, ntohs(fp->mode.rreqq.dest_hi), 1787103285Sikob ntohl(fp->mode.rreqq.dest_lo)); 1788103285Sikob if(bind == NULL){ 1789108712Ssimokawa#if __FreeBSD_version >= 500000 1790103285Sikob printf("Unknown service addr 0x%08x:0x%08x tcode=%x\n", 1791108712Ssimokawa#else 1792108712Ssimokawa printf("Unknown service addr 0x%08x:0x%08lx tcode=%x\n", 1793108712Ssimokawa#endif 1794103285Sikob ntohs(fp->mode.rreqq.dest_hi), 1795103285Sikob ntohl(fp->mode.rreqq.dest_lo), 1796103285Sikob fp->mode.common.tcode); 1797103285Sikob if (fc->status == FWBUSRESET) { 1798110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1799103285Sikob goto err; 1800103285Sikob } 1801110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1802103285Sikob if(xfer == NULL){ 1803103285Sikob return; 1804103285Sikob } 1805103285Sikob xfer->spd = spd; 1806110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 1807103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1808103285Sikob switch(fp->mode.common.tcode){ 1809103285Sikob case FWTCODE_WREQQ: 1810103285Sikob case FWTCODE_WREQB: 1811103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1812103285Sikob xfer->send.len = 12; 1813103285Sikob break; 1814103285Sikob case FWTCODE_RREQQ: 1815103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1816103285Sikob xfer->send.len = 16; 1817103285Sikob break; 1818103285Sikob case FWTCODE_RREQB: 1819103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1820103285Sikob xfer->send.len = 16; 1821103285Sikob break; 1822103285Sikob case FWTCODE_LREQ: 1823103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1824103285Sikob xfer->send.len = 16; 1825103285Sikob break; 1826103285Sikob } 1827103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1828103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1829103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1830103285Sikob resfp->mode.rresb.rtcode = 7; 1831103285Sikob resfp->mode.rresb.extcode = 0; 1832103285Sikob resfp->mode.rresb.len = 0; 1833103285Sikob/* 1834103285Sikob xfer->act.hand = fw_asy_callback; 1835103285Sikob*/ 1836103285Sikob xfer->act.hand = fw_xfer_free; 1837103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1838103285Sikob fw_xfer_free( xfer); 1839103285Sikob return; 1840103285Sikob } 1841103285Sikob goto err; 1842103285Sikob } 1843103285Sikob switch(bind->xfer->act_type){ 1844103285Sikob case FWACT_XFER: 1845110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1846103285Sikob if(xfer == NULL) goto err; 1847103285Sikob xfer->fc = bind->xfer->fc; 1848103285Sikob xfer->sc = bind->xfer->sc; 1849103285Sikob xfer->recv.buf = buf; 1850103285Sikob xfer->recv.len = len; 1851103285Sikob xfer->recv.off = off; 1852103285Sikob xfer->spd = spd; 1853103285Sikob xfer->act.hand = bind->xfer->act.hand; 1854103285Sikob if (fc->status != FWBUSRESET) 1855103285Sikob xfer->act.hand(xfer); 1856103285Sikob else 1857103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1858103285Sikob return; 1859103285Sikob break; 1860103285Sikob case FWACT_CH: 1861103285Sikob if(fc->ir[bind->xfer->sub]->queued >= 1862103285Sikob fc->ir[bind->xfer->sub]->maxq){ 1863108655Ssimokawa device_printf(fc->bdev, 1864108655Ssimokawa "Discard a packet %x %d\n", 1865103285Sikob bind->xfer->sub, 1866103285Sikob fc->ir[bind->xfer->sub]->queued); 1867103285Sikob goto err; 1868103285Sikob } 1869110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1870103285Sikob if(xfer == NULL) goto err; 1871103285Sikob xfer->recv.buf = buf; 1872103285Sikob xfer->recv.len = len; 1873103285Sikob xfer->recv.off = off; 1874103285Sikob xfer->spd = spd; 1875103285Sikob s = splfw(); 1876103285Sikob fc->ir[bind->xfer->sub]->queued++; 1877103285Sikob STAILQ_INSERT_TAIL(&fc->ir[bind->xfer->sub]->q, xfer, link); 1878103285Sikob splx(s); 1879103285Sikob 1880103285Sikob wakeup((caddr_t)fc->ir[bind->xfer->sub]); 1881103285Sikob 1882103285Sikob return; 1883103285Sikob break; 1884103285Sikob default: 1885103285Sikob goto err; 1886103285Sikob break; 1887103285Sikob } 1888103285Sikob break; 1889103285Sikob case FWTCODE_STREAM: 1890103285Sikob { 1891103285Sikob struct fw_xferq *xferq; 1892103285Sikob 1893103285Sikob xferq = fc->ir[sub]; 1894103285Sikob#if 0 1895103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1896103285Sikob sub, len, off, spd); 1897103285Sikob#endif 1898103285Sikob if(xferq->queued >= xferq->maxq) { 1899103285Sikob printf("receive queue is full\n"); 1900103285Sikob goto err; 1901103285Sikob } 1902110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1903103285Sikob if(xfer == NULL) goto err; 1904103285Sikob xfer->recv.buf = buf; 1905103285Sikob xfer->recv.len = len; 1906103285Sikob xfer->recv.off = off; 1907103285Sikob xfer->spd = spd; 1908103285Sikob s = splfw(); 1909103285Sikob xferq->queued++; 1910103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1911103285Sikob splx(s); 1912103285Sikob sc = device_get_softc(fc->bdev); 1913103285Sikob#if __FreeBSD_version >= 500000 1914103285Sikob if (SEL_WAITING(&xferq->rsel)) 1915103285Sikob#else 1916103285Sikob if (&xferq->rsel.si_pid != 0) 1917103285Sikob#endif 1918103285Sikob selwakeup(&xferq->rsel); 1919103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1920103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1921103285Sikob wakeup((caddr_t)xferq); 1922103285Sikob } 1923103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1924103285Sikob xferq->hand(xferq); 1925103285Sikob } 1926103285Sikob return; 1927103285Sikob break; 1928103285Sikob } 1929103285Sikob default: 1930103285Sikob printf("fw_rcv: unknow tcode\n"); 1931103285Sikob break; 1932103285Sikob } 1933103285Sikoberr: 1934110195Ssimokawa free(buf, M_FW); 1935103285Sikob} 1936106815Ssimokawa 1937103285Sikob/* 1938103285Sikob * Post process for Bus Manager election process. 1939103285Sikob */ 1940103285Sikobstatic void 1941103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1942103285Sikob{ 1943109422Ssimokawa struct fw_pkt *rfp; 1944103285Sikob struct firewire_comm *fc; 1945109422Ssimokawa int bmr; 1946103285Sikob 1947109422Ssimokawa if (xfer == NULL) 1948109422Ssimokawa return; 1949103285Sikob fc = xfer->fc; 1950109422Ssimokawa if (xfer->resp != 0) 1951103285Sikob goto error; 1952109422Ssimokawa if (xfer->send.buf == NULL) 1953103285Sikob goto error; 1954109422Ssimokawa if (xfer->recv.buf == NULL) 1955103285Sikob goto error; 1956103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1957109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1958109422Ssimokawa goto error; 1959109422Ssimokawa 1960109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1961109422Ssimokawa if (bmr == 0x3f) 1962109422Ssimokawa bmr = fc->nodeid; 1963109422Ssimokawa 1964109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1965108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 1966108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1967109422Ssimokawa if(bmr == fc->nodeid){ 1968103285Sikob printf("(me)\n"); 1969110072Ssimokawa fw_bmr(fc); 1970103285Sikob }else{ 1971103285Sikob printf("\n"); 1972103285Sikob } 1973103285Sikoberror: 1974103285Sikob fw_xfer_free(xfer); 1975103285Sikob} 1976106815Ssimokawa 1977103285Sikob/* 1978103285Sikob * To candidate Bus Manager election process. 1979103285Sikob */ 1980110270Ssimokawastatic void 1981106815Ssimokawafw_try_bmr(void *arg) 1982103285Sikob{ 1983103285Sikob struct fw_xfer *xfer; 1984103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1985103285Sikob struct fw_pkt *fp; 1986103285Sikob int err = 0; 1987103285Sikob 1988110269Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1989103285Sikob if(xfer == NULL){ 1990103285Sikob return; 1991103285Sikob } 1992103285Sikob xfer->send.len = 24; 1993103285Sikob xfer->spd = 0; 1994110195Ssimokawa xfer->send.buf = malloc(24, M_FW, M_NOWAIT); 1995103285Sikob if(xfer->send.buf == NULL){ 1996103285Sikob fw_xfer_free( xfer); 1997103285Sikob return; 1998103285Sikob } 1999103285Sikob 2000103285Sikob fc->status = FWBUSMGRELECT; 2001103285Sikob 2002103285Sikob xfer->send.off = 0; 2003103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2004103285Sikob fp->mode.lreq.dest_hi = htons(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; 2009103285Sikob fp->mode.lreq.len = htons(8); 2010103285Sikob fp->mode.lreq.extcode = htons(FW_LREQ_CMPSWAP); 2011103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2012103285Sikob fp->mode.lreq.dst = htons(xfer->dst); 2013103285Sikob fp->mode.lreq.dest_lo = htonl(0xf0000000 | BUS_MGR_ID); 2014109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 2015109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 2016103285Sikob xfer->act_type = FWACT_XFER; 2017103285Sikob xfer->act.hand = fw_try_bmr_callback; 2018103285Sikob 2019103285Sikob err = fw_asyreq(fc, -1, xfer); 2020103285Sikob if(err){ 2021103285Sikob fw_xfer_free( xfer); 2022103285Sikob return; 2023103285Sikob } 2024103285Sikob return; 2025103285Sikob} 2026106543Ssimokawa 2027106543Ssimokawa#ifdef FW_VMACCESS 2028103285Sikob/* 2029103285Sikob * Software implementation for physical memory block access. 2030103285Sikob * XXX:Too slow, usef for debug purpose only. 2031103285Sikob */ 2032106815Ssimokawastatic void 2033106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2034103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2035103285Sikob u_int32_t *ld = (u_int32_t *)(xfer->recv.buf + xfer->recv.off); 2036103285Sikob 2037103285Sikob printf("vmaccess spd:%2x len:%03x %d data:%08x %08x %08x %08x\n", 2038103285Sikob xfer->spd, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2039103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2040103285Sikob if(xfer->resp != 0){ 2041103285Sikob fw_xfer_free( xfer); 2042103285Sikob return; 2043103285Sikob } 2044103285Sikob if(xfer->recv.buf == NULL){ 2045103285Sikob fw_xfer_free( xfer); 2046103285Sikob return; 2047103285Sikob } 2048103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2049103285Sikob switch(rfp->mode.hdr.tcode){ 2050103285Sikob /* XXX need fix for 64bit arch */ 2051103285Sikob case FWTCODE_WREQB: 2052110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2053103285Sikob xfer->send.len = 12; 2054103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2055103285Sikob bcopy(rfp->mode.wreqb.payload, 2056103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2057103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2058103285Sikob sfp->mode.wres.rtcode = 0; 2059103285Sikob break; 2060103285Sikob case FWTCODE_WREQQ: 2061110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2062103285Sikob xfer->send.len = 12; 2063103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2064103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2065103285Sikob sfp->mode.wres.rtcode = 0; 2066103285Sikob break; 2067103285Sikob case FWTCODE_RREQB: 2068110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2069103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2070103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2071103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2072103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2073103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2074103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2075103285Sikob sfp->mode.rresb.rtcode = 0; 2076103285Sikob sfp->mode.rresb.extcode = 0; 2077103285Sikob break; 2078103285Sikob case FWTCODE_RREQQ: 2079110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2080103285Sikob xfer->send.len = 16; 2081103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2082103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2083103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2084103285Sikob sfp->mode.rresb.rtcode = 0; 2085103285Sikob break; 2086103285Sikob default: 2087103285Sikob fw_xfer_free( xfer); 2088103285Sikob return; 2089103285Sikob } 2090103285Sikob xfer->send.off = 0; 2091103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2092103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2093103285Sikob xfer->act.hand = fw_xfer_free; 2094103285Sikob xfer->retry_req = fw_asybusy; 2095103285Sikob 2096103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2097103285Sikob sfp->mode.hdr.pri = 0; 2098103285Sikob 2099103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2100103285Sikob/**/ 2101103285Sikob return; 2102103285Sikob} 2103106543Ssimokawa#endif 2104106543Ssimokawa 2105103285Sikob/* 2106103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2107103285Sikob */ 2108106815Ssimokawau_int16_t 2109106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2110103285Sikob u_int32_t i, sum, crc = 0; 2111103285Sikob int shift; 2112103285Sikob len = (len + 3) & ~3; 2113103285Sikob for(i = 0 ; i < len ; i+= 4){ 2114103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2115103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2116103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2117103285Sikob } 2118103285Sikob crc &= 0xffff; 2119103285Sikob } 2120103285Sikob return((u_int16_t) crc); 2121103285Sikob} 2122106815Ssimokawa 2123110270Ssimokawastatic int 2124110072Ssimokawafw_bmr(struct firewire_comm *fc) 2125110072Ssimokawa{ 2126110072Ssimokawa struct fw_device fwdev; 2127110072Ssimokawa int cmstr; 2128110072Ssimokawa 2129110072Ssimokawa /* XXX Assume that the current root node is cycle master capable */ 2130110072Ssimokawa cmstr = fc->max_node; 2131110072Ssimokawa /* If I am the bus manager, optimize gapcount */ 2132110072Ssimokawa if(fc->max_hop <= MAX_GAPHOP ){ 2133110072Ssimokawa fw_phy_config(fc, (fc->max_node > 0)?cmstr:-1, 2134110072Ssimokawa gap_cnt[fc->max_hop]); 2135110072Ssimokawa } 2136110072Ssimokawa /* If we are the cycle master, nothing to do */ 2137110072Ssimokawa if (cmstr == fc->nodeid) 2138110072Ssimokawa return 0; 2139110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2140110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2141110072Ssimokawa fwdev.fc = fc; 2142110072Ssimokawa fwdev.dst = cmstr; 2143110072Ssimokawa fwdev.speed = 0; 2144110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2145110072Ssimokawa fwdev.status = FWDEVINIT; 2146110072Ssimokawa /* Set cmstr bit on the cycle master */ 2147110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2148110072Ssimokawa 0xffff, 0xf0000000 | STATE_SET, 1 << 16, 2149110072Ssimokawa fw_asy_callback_free); 2150110072Ssimokawa 2151110072Ssimokawa return 0; 2152110072Ssimokawa} 2153110072Ssimokawa 2154103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2155103285SikobMODULE_VERSION(firewire, 1); 2156