firewire.c revision 117067
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 117067 2003-06-30 06:33:18Z simokawa $ 35103285Sikob * 36103285Sikob */ 37103285Sikob 38103285Sikob#include <sys/param.h> 39103285Sikob#include <sys/systm.h> 40103285Sikob#include <sys/types.h> 41103285Sikob#include <sys/mbuf.h> 42103285Sikob#include <sys/socket.h> 43103285Sikob#include <sys/socketvar.h> 44103285Sikob 45103285Sikob#include <sys/kernel.h> 46103285Sikob#include <sys/malloc.h> 47103285Sikob#include <sys/conf.h> 48103285Sikob#include <sys/sysctl.h> 49103285Sikob 50117067Ssimokawa#if __FreeBSD_version < 500000 51117067Ssimokawa#include <machine/clock.h> /* for DELAY() */ 52117067Ssimokawa#endif 53103285Sikob 54103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 55113584Ssimokawa#include <machine/bus.h> 56103285Sikob 57103285Sikob#include <dev/firewire/firewire.h> 58103285Sikob#include <dev/firewire/firewirereg.h> 59110072Ssimokawa#include <dev/firewire/fwmem.h> 60103285Sikob#include <dev/firewire/iec13213.h> 61103285Sikob#include <dev/firewire/iec68113.h> 62103285Sikob 63116376Ssimokawastruct crom_src_buf { 64116376Ssimokawa struct crom_src src; 65116376Ssimokawa struct crom_chunk root; 66116376Ssimokawa struct crom_chunk vendor; 67116376Ssimokawa struct crom_chunk hw; 68116376Ssimokawa}; 69116376Ssimokawa 70109736Ssimokawaint firewire_debug=0, try_bmr=1; 71103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 72108281Ssimokawa "FireWire driver debug flag"); 73109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 74109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 75109736Ssimokawa "Try to be a bus manager"); 76103285Sikob 77110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 78110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 79110195Ssimokawa 80103285Sikob#define FW_MAXASYRTY 4 81103285Sikob#define FW_MAXDEVRCNT 4 82103285Sikob 83103285Sikobdevclass_t firewire_devclass; 84103285Sikob 85103285Sikobstatic int firewire_match __P((device_t)); 86103285Sikobstatic int firewire_attach __P((device_t)); 87103285Sikobstatic int firewire_detach __P((device_t)); 88116978Ssimokawastatic int firewire_resume __P((device_t)); 89103285Sikob#if 0 90103285Sikobstatic int firewire_shutdown __P((device_t)); 91103285Sikob#endif 92103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 93103285Sikobstatic void fw_try_bmr __P((void *)); 94103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 95103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 96103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 97103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 98103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 99103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 100103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 101106543Ssimokawa#ifdef FW_VMACCESS 102103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 103106543Ssimokawa#endif 104103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 105105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 106110072Ssimokawastatic int fw_bmr __P((struct firewire_comm *)); 107103285Sikob 108103285Sikobstatic device_method_t firewire_methods[] = { 109103285Sikob /* Device interface */ 110103285Sikob DEVMETHOD(device_probe, firewire_match), 111103285Sikob DEVMETHOD(device_attach, firewire_attach), 112103285Sikob DEVMETHOD(device_detach, firewire_detach), 113108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 114116978Ssimokawa DEVMETHOD(device_resume, firewire_resume), 115103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 116103285Sikob 117103285Sikob /* Bus interface */ 118103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 119103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 120103285Sikob 121103285Sikob { 0, 0 } 122103285Sikob}; 123103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 124103285Sikob 125114909Ssimokawa/* IEEE-1394a Table C-2 Gap count as a function of hops*/ 126114909Ssimokawa#define MAX_GAPHOP 15 127114909Ssimokawau_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18, 128114909Ssimokawa 21, 24, 26, 29, 32, 35, 37, 40}; 129106813Ssimokawa 130106813Ssimokawaextern struct cdevsw firewire_cdevsw; 131106813Ssimokawa 132103285Sikobstatic driver_t firewire_driver = { 133103285Sikob "firewire", 134103285Sikob firewire_methods, 135103285Sikob sizeof(struct firewire_softc), 136103285Sikob}; 137103285Sikob 138103285Sikob/* 139110072Ssimokawa * Lookup fwdev by node id. 140103285Sikob */ 141106810Ssimokawastruct fw_device * 142110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 143103285Sikob{ 144103285Sikob struct fw_device *fwdev; 145110072Ssimokawa int s; 146110072Ssimokawa 147110072Ssimokawa s = splfw(); 148110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 149110072Ssimokawa if (fwdev->dst == dst) 150103285Sikob break; 151110072Ssimokawa splx(s); 152110072Ssimokawa 153106810Ssimokawa if(fwdev == NULL) return NULL; 154106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 155106810Ssimokawa return fwdev; 156103285Sikob} 157106813Ssimokawa 158103285Sikob/* 159110072Ssimokawa * Lookup fwdev by EUI64. 160110072Ssimokawa */ 161110072Ssimokawastruct fw_device * 162110582Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 163110072Ssimokawa{ 164110072Ssimokawa struct fw_device *fwdev; 165110072Ssimokawa int s; 166110072Ssimokawa 167110072Ssimokawa s = splfw(); 168110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 169110582Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 170110072Ssimokawa break; 171110072Ssimokawa splx(s); 172110072Ssimokawa 173110072Ssimokawa if(fwdev == NULL) return NULL; 174110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 175110072Ssimokawa return fwdev; 176110072Ssimokawa} 177110072Ssimokawa 178110072Ssimokawa/* 179103285Sikob * Async. request procedure for userland application. 180103285Sikob */ 181103285Sikobint 182103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 183103285Sikob{ 184103285Sikob int err = 0; 185103285Sikob struct fw_xferq *xferq; 186103285Sikob int tl = 0, len; 187103285Sikob struct fw_pkt *fp; 188103285Sikob int tcode; 189103285Sikob struct tcode_info *info; 190103285Sikob 191103285Sikob if(xfer == NULL) return EINVAL; 192108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 193103285Sikob printf("send.len > maxrec\n"); 194103285Sikob return EINVAL; 195103285Sikob } 196103285Sikob if(xfer->act.hand == NULL){ 197103285Sikob printf("act.hand == NULL\n"); 198103285Sikob return EINVAL; 199103285Sikob } 200103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 201103285Sikob 202103285Sikob tcode = fp->mode.common.tcode & 0xf; 203103285Sikob info = &fc->tcode[tcode]; 204103285Sikob if (info->flag == 0) { 205103285Sikob printf("invalid tcode=%d\n", tcode); 206103285Sikob return EINVAL; 207103285Sikob } 208103285Sikob if (info->flag & FWTI_REQ) 209103285Sikob xferq = fc->atq; 210103285Sikob else 211103285Sikob xferq = fc->ats; 212103285Sikob len = info->hdr_len; 213103285Sikob if (info->flag & FWTI_BLOCK_STR) 214113584Ssimokawa len += fp->mode.stream.len; 215103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 216113584Ssimokawa len += fp->mode.rresb.len; 217103285Sikob if( len > xfer->send.len ){ 218103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 219103285Sikob len, xfer->send.len, tcode); 220103285Sikob return EINVAL; 221103285Sikob } 222103285Sikob xfer->send.len = len; 223106790Ssimokawa 224103285Sikob if(xferq->start == NULL){ 225103285Sikob printf("xferq->start == NULL\n"); 226103285Sikob return EINVAL; 227103285Sikob } 228103285Sikob if(!(xferq->queued < xferq->maxq)){ 229108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 230108655Ssimokawa xferq->queued); 231103285Sikob return EINVAL; 232103285Sikob } 233103285Sikob 234103285Sikob 235103285Sikob if (info->flag & FWTI_TLABEL) { 236103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 237103285Sikob return EIO; 238103285Sikob fp->mode.hdr.tlrt = tl << 2; 239103285Sikob } 240103285Sikob 241103285Sikob xfer->tl = tl; 242103285Sikob xfer->resp = 0; 243103285Sikob xfer->fc = fc; 244103285Sikob xfer->q = xferq; 245103285Sikob xfer->retry_req = fw_asybusy; 246103285Sikob 247103285Sikob fw_asystart(xfer); 248103285Sikob return err; 249103285Sikob} 250103285Sikob/* 251103285Sikob * Wakeup blocked process. 252103285Sikob */ 253103285Sikobvoid 254103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 255103285Sikob wakeup(xfer); 256103285Sikob return; 257103285Sikob} 258103285Sikob/* 259103285Sikob * Postpone to later retry. 260103285Sikob */ 261103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 262103285Sikob printf("fw_asybusy\n"); 263103285Sikob/* 264103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 265103285Sikob*/ 266103285Sikob DELAY(20000); 267103285Sikob fw_asystart(xfer); 268103285Sikob return; 269103285Sikob} 270103285Sikob 271103285Sikob/* 272103285Sikob * Async. request with given xfer structure. 273103285Sikob */ 274106790Ssimokawastatic void 275106790Ssimokawafw_asystart(struct fw_xfer *xfer) 276106790Ssimokawa{ 277103285Sikob struct firewire_comm *fc = xfer->fc; 278103285Sikob int s; 279103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 280113584Ssimokawa device_printf(fc->bdev, "max_asyretry exceeded\n"); 281103285Sikob xfer->resp = EBUSY; 282103285Sikob xfer->state = FWXF_BUSY; 283103285Sikob xfer->act.hand(xfer); 284103285Sikob return; 285103285Sikob } 286103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 287103285Sikob if (fc->status < FWBUSEXPLORE) { 288103285Sikob xfer->resp = EAGAIN; 289103285Sikob xfer->state = FWXF_BUSY; 290103285Sikob if (xfer->act.hand != NULL) 291103285Sikob xfer->act.hand(xfer); 292103285Sikob return; 293103285Sikob } 294103285Sikob#endif 295103285Sikob s = splfw(); 296103285Sikob xfer->state = FWXF_INQ; 297103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 298103285Sikob xfer->q->queued ++; 299103285Sikob splx(s); 300103285Sikob /* XXX just queue for mbuf */ 301103285Sikob if (xfer->mbuf == NULL) 302103285Sikob xfer->q->start(fc); 303103285Sikob return; 304103285Sikob} 305106790Ssimokawa 306103285Sikobstatic int 307103285Sikobfirewire_match( device_t dev ) 308103285Sikob{ 309108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 310103285Sikob return -140; 311103285Sikob} 312106790Ssimokawa 313110577Ssimokawastatic void 314110577Ssimokawafirewire_xfer_timeout(struct firewire_comm *fc) 315110577Ssimokawa{ 316110577Ssimokawa struct fw_xfer *xfer; 317110577Ssimokawa struct tlabel *tl; 318110577Ssimokawa struct timeval tv; 319110577Ssimokawa struct timeval split_timeout; 320111040Ssimokawa int i, s; 321110577Ssimokawa 322110891Ssimokawa split_timeout.tv_sec = 6; 323110577Ssimokawa split_timeout.tv_usec = 0; 324110577Ssimokawa 325110577Ssimokawa microtime(&tv); 326110577Ssimokawa timevalsub(&tv, &split_timeout); 327110577Ssimokawa 328111040Ssimokawa s = splfw(); 329110577Ssimokawa for (i = 0; i < 0x40; i ++) { 330110577Ssimokawa while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 331110577Ssimokawa xfer = tl->xfer; 332110577Ssimokawa if (timevalcmp(&xfer->tv, &tv, >)) 333110577Ssimokawa /* the rests are newer than this */ 334110577Ssimokawa break; 335110577Ssimokawa device_printf(fc->bdev, 336110891Ssimokawa "split transaction timeout dst=0x%x tl=0x%x\n", 337110577Ssimokawa xfer->dst, i); 338110577Ssimokawa xfer->resp = ETIMEDOUT; 339110577Ssimokawa STAILQ_REMOVE_HEAD(&fc->tlabels[i], link); 340113584Ssimokawa fw_xfer_done(xfer); 341110577Ssimokawa } 342110577Ssimokawa } 343111040Ssimokawa splx(s); 344110577Ssimokawa} 345110577Ssimokawa 346110577Ssimokawastatic void 347110577Ssimokawafirewire_watchdog(void *arg) 348110577Ssimokawa{ 349110577Ssimokawa struct firewire_comm *fc; 350110577Ssimokawa 351110577Ssimokawa fc = (struct firewire_comm *)arg; 352110577Ssimokawa firewire_xfer_timeout(fc); 353110577Ssimokawa fc->timeout(fc); 354110577Ssimokawa callout_reset(&fc->timeout_callout, hz, 355110577Ssimokawa (void *)firewire_watchdog, (void *)fc); 356110577Ssimokawa} 357110577Ssimokawa 358103285Sikob/* 359103285Sikob * The attach routine. 360103285Sikob */ 361103285Sikobstatic int 362103285Sikobfirewire_attach( device_t dev ) 363103285Sikob{ 364103285Sikob int i, unitmask, mn; 365103285Sikob struct firewire_softc *sc = device_get_softc(dev); 366103285Sikob device_t pa = device_get_parent(dev); 367103285Sikob struct firewire_comm *fc; 368103285Sikob dev_t d; 369103285Sikob 370103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 371103285Sikob sc->fc = fc; 372116978Ssimokawa fc->status = FWBUSNOTREADY; 373103285Sikob 374103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 375103285Sikob 376103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 377103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 378103285Sikob mn = unitmask | i; 379103285Sikob /* XXX device name should be improved */ 380103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 381108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 382103285Sikob "fw%x", mn); 383103285Sikob#if __FreeBSD_version >= 500000 384103285Sikob if (i == 0) 385103285Sikob sc->dev = d; 386103285Sikob else 387103285Sikob dev_depends(sc->dev, d); 388103285Sikob#else 389103285Sikob sc->dev[i] = d; 390103285Sikob#endif 391103285Sikob } 392103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 393108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 394103285Sikob "fwmem%d", device_get_unit(dev)); 395103285Sikob#if __FreeBSD_version >= 500000 396103285Sikob dev_depends(sc->dev, d); 397103285Sikob#else 398103285Sikob sc->dev[i] = d; 399103285Sikob#endif 400110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 401110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 402110193Ssimokawa CALLOUT_INIT(&sc->fc->retry_probe_callout); 403110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 404108853Ssimokawa 405110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 406110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 407110193Ssimokawa 408103285Sikob /* Locate our children */ 409103285Sikob bus_generic_probe(dev); 410103285Sikob 411103285Sikob /* launch attachement of the added children */ 412103285Sikob bus_generic_attach(dev); 413103285Sikob 414103285Sikob /* bus_reset */ 415103285Sikob fc->ibr(fc); 416103285Sikob 417103285Sikob return 0; 418103285Sikob} 419103285Sikob 420103285Sikob/* 421103285Sikob * Attach it as child. 422103285Sikob */ 423103285Sikobstatic device_t 424103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 425103285Sikob{ 426103285Sikob device_t child; 427103285Sikob struct firewire_softc *sc; 428103285Sikob 429103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 430103285Sikob child = device_add_child(dev, name, unit); 431103285Sikob if (child) { 432103285Sikob device_set_ivars(child, sc->fc); 433103285Sikob device_probe_and_attach(child); 434103285Sikob } 435103285Sikob 436103285Sikob return child; 437103285Sikob} 438106790Ssimokawa 439116978Ssimokawastatic int 440116978Ssimokawafirewire_resume(device_t dev) 441116978Ssimokawa{ 442116978Ssimokawa struct firewire_softc *sc; 443116978Ssimokawa 444116978Ssimokawa sc = (struct firewire_softc *)device_get_softc(dev); 445116978Ssimokawa sc->fc->status = FWBUSNOTREADY; 446116978Ssimokawa 447116978Ssimokawa bus_generic_resume(dev); 448116978Ssimokawa 449116978Ssimokawa return(0); 450116978Ssimokawa} 451116978Ssimokawa 452103285Sikob/* 453103285Sikob * Dettach it. 454103285Sikob */ 455103285Sikobstatic int 456103285Sikobfirewire_detach( device_t dev ) 457103285Sikob{ 458103285Sikob struct firewire_softc *sc; 459111074Ssimokawa struct csrdir *csrd, *next; 460111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 461103285Sikob 462103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 463106790Ssimokawa 464111078Ssimokawa bus_generic_detach(dev); 465111078Ssimokawa 466111078Ssimokawa callout_stop(&sc->fc->timeout_callout); 467111078Ssimokawa callout_stop(&sc->fc->bmr_callout); 468111078Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 469111078Ssimokawa callout_stop(&sc->fc->busprobe_callout); 470111078Ssimokawa 471103285Sikob#if __FreeBSD_version >= 500000 472103285Sikob destroy_dev(sc->dev); 473103285Sikob#else 474103285Sikob { 475103285Sikob int j; 476103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 477103285Sikob destroy_dev(sc->dev[j]); 478103285Sikob } 479103285Sikob#endif 480103285Sikob /* XXX xfree_free and untimeout on all xfers */ 481111078Ssimokawa for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 482111078Ssimokawa fwdev = fwdev_next) { 483111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 484111078Ssimokawa free(fwdev, M_FW); 485111078Ssimokawa } 486111074Ssimokawa for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 487111074Ssimokawa next = SLIST_NEXT(csrd, link); 488111074Ssimokawa free(csrd, M_FW); 489111074Ssimokawa } 490110195Ssimokawa free(sc->fc->topology_map, M_FW); 491110195Ssimokawa free(sc->fc->speed_map, M_FW); 492116376Ssimokawa free(sc->fc->crom_src_buf, M_FW); 493103285Sikob return(0); 494103285Sikob} 495103285Sikob#if 0 496103285Sikobstatic int 497103285Sikobfirewire_shutdown( device_t dev ) 498103285Sikob{ 499103285Sikob return 0; 500103285Sikob} 501103285Sikob#endif 502106790Ssimokawa 503110577Ssimokawa 504110577Ssimokawastatic void 505110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 506110577Ssimokawa{ 507110577Ssimokawa struct fw_xfer *xfer; 508110577Ssimokawa 509110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 510110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 511111942Ssimokawa xferq->queued --; 512110577Ssimokawa xfer->resp = EAGAIN; 513113584Ssimokawa fw_xfer_done(xfer); 514110577Ssimokawa } 515110577Ssimokawa} 516110577Ssimokawa 517110798Ssimokawavoid 518110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 519110798Ssimokawa{ 520110798Ssimokawa int i; 521110798Ssimokawa 522110798Ssimokawa fw_xferq_drain(fc->atq); 523110798Ssimokawa fw_xferq_drain(fc->ats); 524110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 525110798Ssimokawa fw_xferq_drain(fc->it[i]); 526110798Ssimokawa} 527110798Ssimokawa 528116376Ssimokawastatic void 529116376Ssimokawafw_reset_csr(struct firewire_comm *fc) 530103285Sikob{ 531103285Sikob int i; 532103285Sikob 533103285Sikob CSRARC(fc, STATE_CLEAR) 534103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 535103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 536103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 537103285Sikob 538103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 539103285Sikob fc->irm = -1; 540103285Sikob 541103285Sikob fc->max_node = -1; 542103285Sikob 543103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 544103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 545103285Sikob } 546103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 547103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 548103285Sikob CSRARC(fc, RESET_START) = 0; 549103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 550103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 551103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 552103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 553103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 554103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 555103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 556103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 557103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 558103285Sikob 559103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 560103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 561103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 562103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 563103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 564103285Sikob 565103285Sikob/* DV depend CSRs see blue book */ 566103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 567103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 568103285Sikob 569103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 570103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 571116376Ssimokawa} 572113584Ssimokawa 573116376Ssimokawastatic void 574116376Ssimokawafw_init_crom(struct firewire_comm *fc) 575116376Ssimokawa{ 576116376Ssimokawa struct crom_src *src; 577116376Ssimokawa 578116376Ssimokawa fc->crom_src_buf = (struct crom_src_buf *) 579116376Ssimokawa malloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO); 580116376Ssimokawa if (fc->crom_src_buf == NULL) 581116376Ssimokawa return; 582116376Ssimokawa 583116376Ssimokawa src = &fc->crom_src_buf->src; 584116376Ssimokawa bzero(src, sizeof(struct crom_src)); 585116376Ssimokawa 586116376Ssimokawa /* BUS info sample */ 587116376Ssimokawa src->hdr.info_len = 4; 588116376Ssimokawa 589116376Ssimokawa src->businfo.bus_name = CSR_BUS_NAME_IEEE1394; 590116376Ssimokawa 591116376Ssimokawa src->businfo.irmc = 1; 592116376Ssimokawa src->businfo.cmc = 1; 593116376Ssimokawa src->businfo.isc = 1; 594116376Ssimokawa src->businfo.bmc = 1; 595116376Ssimokawa src->businfo.pmc = 0; 596116376Ssimokawa src->businfo.cyc_clk_acc = 100; 597116376Ssimokawa src->businfo.max_rec = fc->maxrec; 598116376Ssimokawa src->businfo.max_rom = MAXROM_4; 599116376Ssimokawa src->businfo.generation = 0; 600116376Ssimokawa src->businfo.link_spd = fc->speed; 601116376Ssimokawa 602116376Ssimokawa src->businfo.eui64.hi = fc->eui.hi; 603116376Ssimokawa src->businfo.eui64.lo = fc->eui.lo; 604116376Ssimokawa 605116376Ssimokawa STAILQ_INIT(&src->chunk_list); 606116376Ssimokawa 607116376Ssimokawa fc->crom_src = src; 608116376Ssimokawa fc->crom_root = &fc->crom_src_buf->root; 609116376Ssimokawa} 610116376Ssimokawa 611116376Ssimokawastatic void 612116376Ssimokawafw_reset_crom(struct firewire_comm *fc) 613116376Ssimokawa{ 614116376Ssimokawa struct crom_src_buf *buf; 615116376Ssimokawa struct crom_src *src; 616116376Ssimokawa struct crom_chunk *root; 617116376Ssimokawa 618116376Ssimokawa if (fc->crom_src_buf == NULL) 619116376Ssimokawa fw_init_crom(fc); 620116376Ssimokawa 621116376Ssimokawa buf = fc->crom_src_buf; 622116376Ssimokawa src = fc->crom_src; 623116376Ssimokawa root = fc->crom_root; 624116376Ssimokawa 625116376Ssimokawa src->businfo.generation ++; 626116376Ssimokawa STAILQ_INIT(&src->chunk_list); 627116376Ssimokawa 628116376Ssimokawa bzero(root, sizeof(struct crom_chunk)); 629116376Ssimokawa crom_add_chunk(src, NULL, root, 0); 630116376Ssimokawa crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */ 631116376Ssimokawa /* private company_id */ 632116376Ssimokawa crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE); 633116376Ssimokawa crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project"); 634116376Ssimokawa crom_add_entry(root, CSRKEY_HW, __FreeBSD_version); 635116376Ssimokawa crom_add_simple_text(src, root, &buf->hw, hostname); 636116376Ssimokawa} 637116376Ssimokawa 638116376Ssimokawa/* 639116376Ssimokawa * Called after bus reset. 640116376Ssimokawa */ 641116376Ssimokawavoid 642116376Ssimokawafw_busreset(struct firewire_comm *fc) 643116376Ssimokawa{ 644116376Ssimokawa struct firewire_dev_comm *fdc; 645116376Ssimokawa device_t *devlistp; 646116376Ssimokawa int i, devcnt; 647116376Ssimokawa 648116376Ssimokawa switch(fc->status){ 649116376Ssimokawa case FWBUSMGRELECT: 650116376Ssimokawa callout_stop(&fc->bmr_callout); 651116376Ssimokawa break; 652116376Ssimokawa default: 653116376Ssimokawa break; 654116376Ssimokawa } 655116376Ssimokawa fc->status = FWBUSRESET; 656116376Ssimokawa fw_reset_csr(fc); 657116376Ssimokawa fw_reset_crom(fc); 658116376Ssimokawa 659113584Ssimokawa if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) { 660113584Ssimokawa for( i = 0 ; i < devcnt ; i++) 661113584Ssimokawa if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 662113584Ssimokawa fdc = device_get_softc(devlistp[i]); 663113584Ssimokawa if (fdc->post_busreset != NULL) 664113584Ssimokawa fdc->post_busreset(fdc); 665113584Ssimokawa } 666113584Ssimokawa free(devlistp, M_TEMP); 667113584Ssimokawa } 668116376Ssimokawa 669116376Ssimokawa crom_load(&fc->crom_src_buf->src, fc->config_rom, CROMSIZE); 670103285Sikob} 671106790Ssimokawa 672103285Sikob/* Call once after reboot */ 673106790Ssimokawavoid fw_init(struct firewire_comm *fc) 674103285Sikob{ 675103285Sikob int i; 676106543Ssimokawa struct csrdir *csrd; 677106543Ssimokawa#ifdef FW_VMACCESS 678103285Sikob struct fw_xfer *xfer; 679103285Sikob struct fw_bind *fwb; 680106543Ssimokawa#endif 681103285Sikob 682103285Sikob fc->max_asyretry = FW_MAXASYRTY; 683103285Sikob 684103285Sikob fc->arq->queued = 0; 685103285Sikob fc->ars->queued = 0; 686103285Sikob fc->atq->queued = 0; 687103285Sikob fc->ats->queued = 0; 688103285Sikob 689103285Sikob fc->arq->buf = NULL; 690103285Sikob fc->ars->buf = NULL; 691103285Sikob fc->atq->buf = NULL; 692103285Sikob fc->ats->buf = NULL; 693103285Sikob 694113584Ssimokawa fc->arq->flag = 0; 695113584Ssimokawa fc->ars->flag = 0; 696113584Ssimokawa fc->atq->flag = 0; 697113584Ssimokawa fc->ats->flag = 0; 698103285Sikob 699103285Sikob STAILQ_INIT(&fc->atq->q); 700103285Sikob STAILQ_INIT(&fc->ats->q); 701103285Sikob 702103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 703103285Sikob fc->it[i]->queued = 0; 704103285Sikob fc->ir[i]->queued = 0; 705103285Sikob 706103285Sikob fc->it[i]->start = NULL; 707103285Sikob fc->ir[i]->start = NULL; 708103285Sikob 709103285Sikob fc->it[i]->buf = NULL; 710103285Sikob fc->ir[i]->buf = NULL; 711103285Sikob 712103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 713103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 714103285Sikob 715103285Sikob STAILQ_INIT(&fc->it[i]->q); 716103285Sikob STAILQ_INIT(&fc->ir[i]->q); 717103285Sikob 718103285Sikob STAILQ_INIT(&fc->it[i]->binds); 719103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 720103285Sikob } 721103285Sikob 722103285Sikob fc->arq->maxq = FWMAXQUEUE; 723103285Sikob fc->ars->maxq = FWMAXQUEUE; 724103285Sikob fc->atq->maxq = FWMAXQUEUE; 725103285Sikob fc->ats->maxq = FWMAXQUEUE; 726103285Sikob 727103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 728103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 729103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 730103285Sikob } 731103285Sikob/* Initialize csr registers */ 732103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 733103285Sikob sizeof(struct fw_topology_map), 734110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 735103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 736103285Sikob sizeof(struct fw_speed_map), 737110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 738103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 739103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 740103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 741103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 742103285Sikob 743110193Ssimokawa STAILQ_INIT(&fc->devices); 744103285Sikob STAILQ_INIT(&fc->pending); 745103285Sikob 746103285Sikob/* Initialize csr ROM work space */ 747103285Sikob SLIST_INIT(&fc->ongocsr); 748103285Sikob SLIST_INIT(&fc->csrfree); 749103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 750110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 751103285Sikob if(csrd == NULL) break; 752103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 753103285Sikob } 754103285Sikob 755103285Sikob/* Initialize Async handlers */ 756103285Sikob STAILQ_INIT(&fc->binds); 757103285Sikob for( i = 0 ; i < 0x40 ; i++){ 758103285Sikob STAILQ_INIT(&fc->tlabels[i]); 759103285Sikob } 760103285Sikob 761103285Sikob/* DV depend CSRs see blue book */ 762103285Sikob#if 0 763103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 764103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 765103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 766103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 767103285Sikob } 768103285Sikob 769103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 770103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 771103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 772103285Sikob CSRARC(fc, i + iPCR) = 0x0; 773103285Sikob } 774103285Sikob#endif 775103285Sikob 776116376Ssimokawa fc->crom_src_buf = NULL; 777103285Sikob 778106543Ssimokawa#ifdef FW_VMACCESS 779103285Sikob xfer = fw_xfer_alloc(); 780103285Sikob if(xfer == NULL) return; 781103285Sikob 782110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 783103285Sikob if(fwb == NULL){ 784103285Sikob fw_xfer_free(xfer); 785103285Sikob } 786103285Sikob xfer->act.hand = fw_vmaccess; 787103285Sikob xfer->fc = fc; 788103285Sikob xfer->sc = NULL; 789103285Sikob 790103285Sikob fwb->start_hi = 0x2; 791103285Sikob fwb->start_lo = 0; 792103285Sikob fwb->addrlen = 0xffffffff; 793103285Sikob fwb->xfer = xfer; 794103285Sikob fw_bindadd(fc, fwb); 795106543Ssimokawa#endif 796103285Sikob} 797106790Ssimokawa 798103285Sikob/* 799103285Sikob * To lookup binded process from IEEE1394 address. 800103285Sikob */ 801106813Ssimokawastruct fw_bind * 802106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 803103285Sikob{ 804103285Sikob struct fw_bind *tfw; 805103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 806103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 807113584Ssimokawa if (tfw->act_type != FWACT_NULL && 808103285Sikob tfw->start_hi == dest_hi && 809103285Sikob tfw->start_lo <= dest_lo && 810103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 811103285Sikob return(tfw); 812103285Sikob } 813103285Sikob } 814103285Sikob return(NULL); 815103285Sikob} 816106790Ssimokawa 817103285Sikob/* 818103285Sikob * To bind IEEE1394 address block to process. 819103285Sikob */ 820106790Ssimokawaint 821106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 822103285Sikob{ 823103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 824103285Sikob int err = 0; 825103285Sikob tfw = STAILQ_FIRST(&fc->binds); 826103285Sikob if(tfw == NULL){ 827103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 828103285Sikob goto out; 829103285Sikob } 830103285Sikob if((tfw->start_hi > fwb->start_hi) || 831103285Sikob (tfw->start_hi == fwb->start_hi && 832103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 833103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 834103285Sikob goto out; 835103285Sikob } 836103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 837103285Sikob if((tfw->start_hi < fwb->start_hi) || 838103285Sikob (tfw->start_hi == fwb->start_hi && 839103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 840103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 841103285Sikob if(tfw2 == NULL) 842103285Sikob break; 843103285Sikob if((tfw2->start_hi > fwb->start_hi) || 844103285Sikob (tfw2->start_hi == fwb->start_hi && 845103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 846103285Sikob break; 847103285Sikob }else{ 848103285Sikob err = EBUSY; 849103285Sikob goto out; 850103285Sikob } 851103285Sikob } 852103285Sikob } 853103285Sikob if(tfw != NULL){ 854103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 855103285Sikob }else{ 856103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 857103285Sikob } 858103285Sikobout: 859113584Ssimokawa if (!err && fwb->act_type == FWACT_CH) 860113584Ssimokawa STAILQ_INSERT_HEAD(&fc->ir[fwb->sub]->binds, fwb, chlist); 861103285Sikob return err; 862103285Sikob} 863103285Sikob 864103285Sikob/* 865103285Sikob * To free IEEE1394 address block. 866103285Sikob */ 867106790Ssimokawaint 868106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 869103285Sikob{ 870103285Sikob int s; 871113584Ssimokawa struct fw_xfer *xfer, *next; 872103285Sikob 873103285Sikob s = splfw(); 874103285Sikob /* shall we check the existance? */ 875103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 876113584Ssimokawa /* shall we do this? */ 877113584Ssimokawa for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) { 878113584Ssimokawa next = STAILQ_NEXT(xfer, link); 879113584Ssimokawa fw_xfer_free(xfer); 880113584Ssimokawa } 881113584Ssimokawa STAILQ_INIT(&fwb->xferlist); 882113584Ssimokawa 883103285Sikob splx(s); 884103285Sikob return 0; 885103285Sikob} 886103285Sikob 887103285Sikob/* 888103285Sikob * To free transaction label. 889103285Sikob */ 890106790Ssimokawastatic void 891106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 892103285Sikob{ 893103285Sikob struct tlabel *tl; 894103285Sikob int s = splfw(); 895103285Sikob 896103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 897103285Sikob tl = STAILQ_NEXT(tl, link)){ 898103285Sikob if(tl->xfer == xfer){ 899103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 900110195Ssimokawa free(tl, M_FW); 901103285Sikob splx(s); 902103285Sikob return; 903103285Sikob } 904103285Sikob } 905103285Sikob splx(s); 906103285Sikob return; 907103285Sikob} 908106790Ssimokawa 909103285Sikob/* 910103285Sikob * To obtain XFER structure by transaction label. 911103285Sikob */ 912106790Ssimokawastatic struct fw_xfer * 913106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 914103285Sikob{ 915103285Sikob struct fw_xfer *xfer; 916103285Sikob struct tlabel *tl; 917103285Sikob int s = splfw(); 918103285Sikob 919103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 920103285Sikob tl = STAILQ_NEXT(tl, link)){ 921103285Sikob if(tl->xfer->dst == node){ 922103285Sikob xfer = tl->xfer; 923103285Sikob splx(s); 924110577Ssimokawa if (firewire_debug > 2) 925110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 926103285Sikob return(xfer); 927103285Sikob } 928103285Sikob } 929110577Ssimokawa if (firewire_debug > 1) 930110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 931103285Sikob splx(s); 932103285Sikob return(NULL); 933103285Sikob} 934106790Ssimokawa 935103285Sikob/* 936103285Sikob * To allocate IEEE1394 XFER structure. 937103285Sikob */ 938106790Ssimokawastruct fw_xfer * 939110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 940103285Sikob{ 941103285Sikob struct fw_xfer *xfer; 942106790Ssimokawa 943110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 944106790Ssimokawa if (xfer == NULL) 945106790Ssimokawa return xfer; 946106790Ssimokawa 947110577Ssimokawa microtime(&xfer->tv); 948110269Ssimokawa xfer->malloc = type; 949106790Ssimokawa 950103285Sikob return xfer; 951103285Sikob} 952106790Ssimokawa 953113584Ssimokawastruct fw_xfer * 954113584Ssimokawafw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len) 955113584Ssimokawa{ 956113584Ssimokawa struct fw_xfer *xfer; 957113584Ssimokawa 958113584Ssimokawa xfer = fw_xfer_alloc(type); 959113584Ssimokawa xfer->send.len = send_len; 960113584Ssimokawa xfer->recv.len = recv_len; 961113584Ssimokawa if (xfer == NULL) 962113584Ssimokawa return(NULL); 963113584Ssimokawa if (send_len) { 964113584Ssimokawa xfer->send.buf = malloc(send_len, type, M_NOWAIT | M_ZERO); 965113584Ssimokawa if (xfer->send.buf == NULL) { 966113584Ssimokawa fw_xfer_free(xfer); 967113584Ssimokawa return(NULL); 968113584Ssimokawa } 969113584Ssimokawa } 970113584Ssimokawa if (recv_len) { 971113584Ssimokawa xfer->recv.buf = malloc(recv_len, type, M_NOWAIT); 972113584Ssimokawa if (xfer->recv.buf == NULL) { 973113584Ssimokawa if (xfer->send.buf != NULL) 974113584Ssimokawa free(xfer->send.buf, type); 975113584Ssimokawa fw_xfer_free(xfer); 976113584Ssimokawa return(NULL); 977113584Ssimokawa } 978113584Ssimokawa } 979113584Ssimokawa return(xfer); 980113584Ssimokawa} 981113584Ssimokawa 982103285Sikob/* 983103285Sikob * IEEE1394 XFER post process. 984103285Sikob */ 985103285Sikobvoid 986103285Sikobfw_xfer_done(struct fw_xfer *xfer) 987103285Sikob{ 988103285Sikob if (xfer->act.hand == NULL) 989103285Sikob return; 990103285Sikob 991103285Sikob if (xfer->fc->status != FWBUSRESET) 992103285Sikob xfer->act.hand(xfer); 993103285Sikob else { 994103285Sikob printf("fw_xfer_done: pending\n"); 995103285Sikob if (xfer->fc != NULL) 996103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 997103285Sikob else 998103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 999103285Sikob } 1000103285Sikob} 1001103285Sikob 1002106790Ssimokawavoid 1003113584Ssimokawafw_xfer_unload(struct fw_xfer* xfer) 1004103285Sikob{ 1005103285Sikob int s; 1006113584Ssimokawa 1007103285Sikob if(xfer == NULL ) return; 1008103285Sikob if(xfer->state == FWXF_INQ){ 1009103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 1010103285Sikob s = splfw(); 1011103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1012103285Sikob xfer->q->queued --; 1013103285Sikob splx(s); 1014103285Sikob } 1015113584Ssimokawa if (xfer->fc != NULL) { 1016114729Ssimokawa#if 1 1017113584Ssimokawa if(xfer->state == FWXF_START) 1018114729Ssimokawa /* 1019114729Ssimokawa * This could happen if: 1020114729Ssimokawa * 1. We call fwohci_arcv() before fwohci_txd(). 1021114729Ssimokawa * 2. firewire_watch() is called. 1022114729Ssimokawa */ 1023114729Ssimokawa printf("fw_xfer_free FWXF_START\n"); 1024103285Sikob#endif 1025113584Ssimokawa fw_tl_free(xfer->fc, xfer); 1026103285Sikob } 1027113584Ssimokawa xfer->state = FWXF_INIT; 1028113584Ssimokawa xfer->resp = 0; 1029113584Ssimokawa xfer->retry = 0; 1030113584Ssimokawa} 1031113584Ssimokawa/* 1032113584Ssimokawa * To free IEEE1394 XFER structure. 1033113584Ssimokawa */ 1034113584Ssimokawavoid 1035113584Ssimokawafw_xfer_free( struct fw_xfer* xfer) 1036113584Ssimokawa{ 1037113584Ssimokawa if(xfer == NULL ) return; 1038113584Ssimokawa fw_xfer_unload(xfer); 1039103285Sikob if(xfer->send.buf != NULL){ 1040113584Ssimokawa free(xfer->send.buf, xfer->malloc); 1041103285Sikob } 1042103285Sikob if(xfer->recv.buf != NULL){ 1043113584Ssimokawa free(xfer->recv.buf, xfer->malloc); 1044103285Sikob } 1045110269Ssimokawa free(xfer, xfer->malloc); 1046103285Sikob} 1047103285Sikob 1048103285Sikobstatic void 1049110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 1050103285Sikob{ 1051103285Sikob#if 0 1052110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 1053103285Sikob xfer->state, xfer->resp); 1054103285Sikob#endif 1055103285Sikob fw_xfer_free(xfer); 1056103285Sikob} 1057103285Sikob 1058103285Sikob/* 1059103285Sikob * To configure PHY. 1060103285Sikob */ 1061103285Sikobstatic void 1062103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1063103285Sikob{ 1064103285Sikob struct fw_xfer *xfer; 1065103285Sikob struct fw_pkt *fp; 1066103285Sikob 1067103285Sikob fc->status = FWBUSPHYCONF; 1068103285Sikob 1069113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 12, 0); 1070113584Ssimokawa if (xfer == NULL) 1071113584Ssimokawa return; 1072103285Sikob xfer->fc = fc; 1073103285Sikob xfer->retry_req = fw_asybusy; 1074110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 1075103285Sikob 1076103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1077103285Sikob fp->mode.ld[1] = 0; 1078103285Sikob if (root_node >= 0) 1079113584Ssimokawa fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23; 1080103285Sikob if (gap_count >= 0) 1081113584Ssimokawa fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16; 1082103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1083103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1084103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1085103285Sikob 1086107653Ssimokawa if (firewire_debug) 1087107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1088103285Sikob root_node, gap_count); 1089103285Sikob fw_asyreq(fc, -1, xfer); 1090103285Sikob} 1091103285Sikob 1092103285Sikob#if 0 1093103285Sikob/* 1094103285Sikob * Dump self ID. 1095103285Sikob */ 1096103285Sikobstatic void 1097103285Sikobfw_print_sid(u_int32_t sid) 1098103285Sikob{ 1099103285Sikob union fw_self_id *s; 1100103285Sikob s = (union fw_self_id *) &sid; 1101103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1102103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1103103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1104103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1105103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1106103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1107103285Sikob} 1108103285Sikob#endif 1109103285Sikob 1110103285Sikob/* 1111103285Sikob * To receive self ID. 1112103285Sikob */ 1113113584Ssimokawavoid fw_sidrcv(struct firewire_comm* fc, u_int32_t *sid, u_int len) 1114103285Sikob{ 1115113584Ssimokawa u_int32_t *p; 1116103285Sikob union fw_self_id *self_id; 1117103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1118103285Sikob 1119103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1120103285Sikob fc->status = FWBUSINIT; 1121103285Sikob fc->max_node = fc->nodeid & 0x3f; 1122103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1123103285Sikob fc->status = FWBUSCYMELECT; 1124103285Sikob fc->topology_map->crc_len = 2; 1125103285Sikob fc->topology_map->generation ++; 1126103285Sikob fc->topology_map->self_id_count = 0; 1127103285Sikob fc->topology_map->node_count = 0; 1128103285Sikob fc->speed_map->generation ++; 1129103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1130103285Sikob self_id = &fc->topology_map->self_id[0]; 1131103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1132103285Sikob if (sid[1] != ~sid[0]) { 1133103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1134103285Sikob sid += 2; 1135103285Sikob continue; 1136103285Sikob } 1137103285Sikob *self_id = *((union fw_self_id *)sid); 1138103285Sikob fc->topology_map->crc_len++; 1139103285Sikob if(self_id->p0.sequel == 0){ 1140103285Sikob fc->topology_map->node_count ++; 1141103285Sikob c_port = 0; 1142103285Sikob#if 0 1143103285Sikob fw_print_sid(sid[0]); 1144103285Sikob#endif 1145103285Sikob node = self_id->p0.phy_id; 1146103285Sikob if(fc->max_node < node){ 1147103285Sikob fc->max_node = self_id->p0.phy_id; 1148103285Sikob } 1149103285Sikob /* XXX I'm not sure this is the right speed_map */ 1150103285Sikob fc->speed_map->speed[node][node] 1151103285Sikob = self_id->p0.phy_speed; 1152103285Sikob for (j = 0; j < node; j ++) { 1153103285Sikob fc->speed_map->speed[j][node] 1154103285Sikob = fc->speed_map->speed[node][j] 1155103285Sikob = min(fc->speed_map->speed[j][j], 1156103285Sikob self_id->p0.phy_speed); 1157103285Sikob } 1158103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1159103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1160103285Sikob fc->irm = self_id->p0.phy_id; 1161103285Sikob } 1162103285Sikob if(self_id->p0.port0 >= 0x2){ 1163103285Sikob c_port++; 1164103285Sikob } 1165103285Sikob if(self_id->p0.port1 >= 0x2){ 1166103285Sikob c_port++; 1167103285Sikob } 1168103285Sikob if(self_id->p0.port2 >= 0x2){ 1169103285Sikob c_port++; 1170103285Sikob } 1171103285Sikob } 1172103285Sikob if(c_port > 2){ 1173103285Sikob i_branch += (c_port - 2); 1174103285Sikob } 1175103285Sikob sid += 2; 1176103285Sikob self_id++; 1177103285Sikob fc->topology_map->self_id_count ++; 1178103285Sikob } 1179108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1180103285Sikob /* CRC */ 1181103285Sikob fc->topology_map->crc = fw_crc16( 1182103285Sikob (u_int32_t *)&fc->topology_map->generation, 1183103285Sikob fc->topology_map->crc_len * 4); 1184103285Sikob fc->speed_map->crc = fw_crc16( 1185103285Sikob (u_int32_t *)&fc->speed_map->generation, 1186103285Sikob fc->speed_map->crc_len * 4); 1187103285Sikob /* byteswap and copy to CSR */ 1188103285Sikob p = (u_int32_t *)fc->topology_map; 1189103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1190103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1191103285Sikob p = (u_int32_t *)fc->speed_map; 1192103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1193103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1194103285Sikob /* don't byte-swap u_int8_t array */ 1195103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1196103285Sikob 1197103285Sikob fc->max_hop = fc->max_node - i_branch; 1198103285Sikob printf(", maxhop <= %d", fc->max_hop); 1199103285Sikob 1200103285Sikob if(fc->irm == -1 ){ 1201103285Sikob printf(", Not found IRM capable node"); 1202103285Sikob }else{ 1203103285Sikob printf(", cable IRM = %d", fc->irm); 1204103285Sikob if (fc->irm == fc->nodeid) 1205110016Ssimokawa printf(" (me)"); 1206103285Sikob } 1207110016Ssimokawa printf("\n"); 1208103285Sikob 1209109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1210114909Ssimokawa if (fc->irm == fc->nodeid) { 1211103285Sikob fc->status = FWBUSMGRDONE; 1212103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1213114909Ssimokawa fw_bmr(fc); 1214109736Ssimokawa } else { 1215103285Sikob fc->status = FWBUSMGRELECT; 1216110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1217110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1218103285Sikob } 1219114909Ssimokawa } else 1220103285Sikob fc->status = FWBUSMGRDONE; 1221114909Ssimokawa 1222108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1223108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1224103285Sikob} 1225106790Ssimokawa 1226103285Sikob/* 1227103285Sikob * To probe devices on the IEEE1394 bus. 1228103285Sikob */ 1229106790Ssimokawastatic void 1230106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1231103285Sikob{ 1232103285Sikob int s; 1233103285Sikob struct fw_device *fwdev, *next; 1234103285Sikob 1235103285Sikob s = splfw(); 1236103285Sikob fc->status = FWBUSEXPLORE; 1237103285Sikob fc->retry_count = 0; 1238103285Sikob 1239103285Sikob/* 1240103285Sikob * Invalidate all devices, just after bus reset. Devices 1241103285Sikob * to be removed has not been seen longer time. 1242103285Sikob */ 1243110193Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1244110193Ssimokawa next = STAILQ_NEXT(fwdev, link); 1245110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1246103285Sikob fwdev->status = FWDEVINVAL; 1247103285Sikob fwdev->rcnt = 0; 1248110193Ssimokawa } else if(fwdev->rcnt < FW_MAXDEVRCNT) { 1249103285Sikob fwdev->rcnt ++; 1250110193Ssimokawa } else { 1251110193Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, link); 1252110195Ssimokawa free(fwdev, M_FW); 1253103285Sikob } 1254103285Sikob } 1255103285Sikob fc->ongonode = 0; 1256103285Sikob fc->ongoaddr = CSRROMOFF; 1257103285Sikob fc->ongodev = NULL; 1258103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1259103285Sikob fw_bus_explore(fc); 1260103285Sikob splx(s); 1261103285Sikob} 1262106790Ssimokawa 1263103285Sikob/* 1264103285Sikob * To collect device informations on the IEEE1394 bus. 1265103285Sikob */ 1266106790Ssimokawastatic void 1267106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1268103285Sikob{ 1269103285Sikob int err = 0; 1270110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1271103285Sikob u_int32_t addr; 1272103285Sikob struct fw_xfer *xfer; 1273103285Sikob struct fw_pkt *fp; 1274103285Sikob 1275103285Sikob if(fc->status != FWBUSEXPLORE) 1276103285Sikob return; 1277103285Sikob 1278103285Sikobloop: 1279103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1280103285Sikob 1281103285Sikob if(fc->ongonode > fc->max_node) goto done; 1282103285Sikob if(fc->ongonode >= 0x3f) goto done; 1283103285Sikob 1284103285Sikob /* check link */ 1285103285Sikob /* XXX we need to check phy_id first */ 1286103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1287110577Ssimokawa if (firewire_debug) 1288110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1289103285Sikob fc->ongonode++; 1290103285Sikob goto loop; 1291103285Sikob } 1292103285Sikob 1293103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1294103285Sikob fc->ongoeui.hi == 0xffffffff && 1295103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1296103285Sikob fc->ongoaddr = CSRROMOFF; 1297103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1298103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1299103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1300103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1301103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1302103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1303103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1304103285Sikob }else if(fc->ongodev == NULL){ 1305110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1306110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1307103285Sikob break; 1308103285Sikob if(fwdev != NULL){ 1309103285Sikob fwdev->dst = fc->ongonode; 1310103285Sikob fwdev->status = FWDEVATTACHED; 1311103285Sikob fc->ongonode++; 1312103285Sikob fc->ongoaddr = CSRROMOFF; 1313103285Sikob fc->ongodev = NULL; 1314103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1315103285Sikob goto loop; 1316103285Sikob } 1317115787Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, 1318115787Ssimokawa M_NOWAIT | M_ZERO); 1319103285Sikob if(fwdev == NULL) 1320103285Sikob return; 1321106810Ssimokawa fwdev->fc = fc; 1322103285Sikob fwdev->rommax = 0; 1323103285Sikob fwdev->dst = fc->ongonode; 1324103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1325103285Sikob fwdev->status = FWDEVINIT; 1326103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1327103285Sikob 1328110179Ssimokawa pfwdev = NULL; 1329110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1330110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1331110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1332110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1333110179Ssimokawa break; 1334110179Ssimokawa pfwdev = tfwdev; 1335103285Sikob } 1336110179Ssimokawa if (pfwdev == NULL) 1337110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1338110179Ssimokawa else 1339110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1340103285Sikob 1341108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1342107653Ssimokawa linkspeed[fwdev->speed], 1343107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1344103285Sikob 1345103285Sikob fc->ongodev = fwdev; 1346103285Sikob fc->ongoaddr = CSRROMOFF; 1347103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1348103285Sikob }else{ 1349103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1350103285Sikob } 1351103285Sikob#if 0 1352103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1353103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1354103285Sikob fw_bus_explore_callback); 1355103285Sikob if(xfer == NULL) goto done; 1356103285Sikob#else 1357113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 16); 1358103285Sikob if(xfer == NULL){ 1359103285Sikob goto done; 1360103285Sikob } 1361103285Sikob xfer->spd = 0; 1362103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1363113584Ssimokawa fp->mode.rreqq.dest_hi = 0xffff; 1364103285Sikob fp->mode.rreqq.tlrt = 0; 1365103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1366103285Sikob fp->mode.rreqq.pri = 0; 1367103285Sikob fp->mode.rreqq.src = 0; 1368103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1369113584Ssimokawa fp->mode.rreqq.dst = xfer->dst; 1370113584Ssimokawa fp->mode.rreqq.dest_lo = addr; 1371103285Sikob xfer->act.hand = fw_bus_explore_callback; 1372103285Sikob 1373110577Ssimokawa if (firewire_debug) 1374110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1375110577Ssimokawa fc->ongonode, fc->ongoaddr); 1376103285Sikob err = fw_asyreq(fc, -1, xfer); 1377103285Sikob if(err){ 1378103285Sikob fw_xfer_free( xfer); 1379103285Sikob return; 1380103285Sikob } 1381103285Sikob#endif 1382103285Sikob return; 1383103285Sikobdone: 1384103285Sikob /* fw_attach_devs */ 1385103285Sikob fc->status = FWBUSEXPDONE; 1386107653Ssimokawa if (firewire_debug) 1387107653Ssimokawa printf("bus_explore done\n"); 1388103285Sikob fw_attach_dev(fc); 1389103285Sikob return; 1390103285Sikob 1391103285Sikob} 1392106790Ssimokawa 1393103285Sikob/* Portable Async. request read quad */ 1394106790Ssimokawastruct fw_xfer * 1395106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1396105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1397105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1398103285Sikob{ 1399103285Sikob struct fw_xfer *xfer; 1400103285Sikob struct fw_pkt *fp; 1401103285Sikob int err; 1402103285Sikob 1403113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 16); 1404113584Ssimokawa if (xfer == NULL) 1405103285Sikob return NULL; 1406113584Ssimokawa 1407103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1408103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1409113584Ssimokawa fp->mode.rreqq.dest_hi = addr_hi & 0xffff; 1410103285Sikob if(tl & FWP_TL_VALID){ 1411103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1412103285Sikob }else{ 1413103285Sikob fp->mode.rreqq.tlrt = 0; 1414103285Sikob } 1415103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1416103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1417103285Sikob fp->mode.rreqq.pri = 0; 1418103285Sikob fp->mode.rreqq.src = 0; 1419103285Sikob xfer->dst = addr_hi >> 16; 1420113584Ssimokawa fp->mode.rreqq.dst = xfer->dst; 1421113584Ssimokawa fp->mode.rreqq.dest_lo = addr_lo; 1422103285Sikob xfer->act.hand = hand; 1423103285Sikob 1424103285Sikob err = fw_asyreq(fc, -1, xfer); 1425103285Sikob if(err){ 1426103285Sikob fw_xfer_free( xfer); 1427103285Sikob return NULL; 1428103285Sikob } 1429103285Sikob return xfer; 1430103285Sikob} 1431106790Ssimokawa 1432103285Sikob/* 1433103285Sikob * Callback for the IEEE1394 bus information collection. 1434103285Sikob */ 1435106790Ssimokawastatic void 1436106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1437106790Ssimokawa{ 1438103285Sikob struct firewire_comm *fc; 1439103285Sikob struct fw_pkt *sfp,*rfp; 1440103285Sikob struct csrhdr *chdr; 1441103285Sikob struct csrdir *csrd; 1442103285Sikob struct csrreg *csrreg; 1443103285Sikob u_int32_t offset; 1444103285Sikob 1445103285Sikob 1446110577Ssimokawa if(xfer == NULL) { 1447110577Ssimokawa printf("xfer == NULL\n"); 1448110577Ssimokawa return; 1449110577Ssimokawa } 1450103285Sikob fc = xfer->fc; 1451110577Ssimokawa 1452110577Ssimokawa if (firewire_debug) 1453110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1454110577Ssimokawa fc->ongonode, fc->ongoaddr); 1455110577Ssimokawa 1456103285Sikob if(xfer->resp != 0){ 1457110577Ssimokawa printf("node%d: resp=%d addr=0x%x\n", 1458110577Ssimokawa fc->ongonode, xfer->resp, fc->ongoaddr); 1459114284Ssimokawa goto errnode; 1460103285Sikob } 1461103285Sikob 1462103285Sikob if(xfer->send.buf == NULL){ 1463110577Ssimokawa printf("node%d: send.buf=NULL addr=0x%x\n", 1464103285Sikob fc->ongonode, fc->ongoaddr); 1465114284Ssimokawa goto errnode; 1466103285Sikob } 1467103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1468103285Sikob 1469103285Sikob if(xfer->recv.buf == NULL){ 1470110577Ssimokawa printf("node%d: recv.buf=NULL addr=0x%x\n", 1471103285Sikob fc->ongonode, fc->ongoaddr); 1472114284Ssimokawa goto errnode; 1473103285Sikob } 1474103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1475103285Sikob#if 0 1476103285Sikob { 1477103285Sikob u_int32_t *qld; 1478103285Sikob int i; 1479103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1480103285Sikob printf("len:%d\n", xfer->recv.len); 1481103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1482113584Ssimokawa printf("0x%08x ", rfp->mode.ld[i/4]); 1483103285Sikob if((i % 16) == 15) printf("\n"); 1484103285Sikob } 1485103285Sikob if((i % 16) != 15) printf("\n"); 1486103285Sikob } 1487103285Sikob#endif 1488103285Sikob if(fc->ongodev == NULL){ 1489113584Ssimokawa if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){ 1490103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1491103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1492110577Ssimokawa/* If CSR is minimal confinguration, more investgation is not needed. */ 1493103285Sikob if(chdr->info_len == 1){ 1494110577Ssimokawa if (firewire_debug) 1495110577Ssimokawa printf("node%d: minimal config\n", 1496110577Ssimokawa fc->ongonode); 1497103285Sikob goto nextnode; 1498103285Sikob }else{ 1499103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1500103285Sikob } 1501113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){ 1502103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1503103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1504113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){ 1505103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1506110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1507110577Ssimokawa if (firewire_debug) 1508110577Ssimokawa printf("node%d: eui64 is zero.\n", 1509110577Ssimokawa fc->ongonode); 1510103285Sikob goto nextnode; 1511110577Ssimokawa } 1512103285Sikob fc->ongoaddr = CSRROMOFF; 1513103285Sikob } 1514103285Sikob }else{ 1515103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1516103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1517103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1518103285Sikob } 1519103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1520103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1521103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1522103285Sikob offset = CSRROMOFF; 1523103285Sikob }else{ 1524103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1525103285Sikob offset = csrd->off; 1526103285Sikob } 1527103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1528103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1529103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1530103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1531103285Sikob if(csrd == NULL){ 1532103285Sikob goto nextnode; 1533103285Sikob }else{ 1534103285Sikob csrd->ongoaddr = fc->ongoaddr; 1535103285Sikob fc->ongoaddr += csrreg->val * 4; 1536103285Sikob csrd->off = fc->ongoaddr; 1537103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1538103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1539103285Sikob goto nextaddr; 1540103285Sikob } 1541103285Sikob } 1542103285Sikob } 1543103285Sikob fc->ongoaddr += 4; 1544103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1545103285Sikob (fc->ongodev->rommax < 0x414)){ 1546103285Sikob if(fc->ongodev->rommax <= 0x414){ 1547103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1548103285Sikob if(csrd == NULL) goto nextnode; 1549103285Sikob csrd->off = fc->ongoaddr; 1550103285Sikob csrd->ongoaddr = fc->ongoaddr; 1551103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1552103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1553103285Sikob } 1554103285Sikob goto nextaddr; 1555103285Sikob } 1556103285Sikob 1557103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1558103285Sikob if(csrd == NULL){ 1559103285Sikob goto nextnode; 1560103285Sikob }; 1561103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1562103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1563103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1564103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1565103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1566103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1567103285Sikob offset = CSRROMOFF; 1568103285Sikob }else{ 1569103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1570103285Sikob offset = csrd->off; 1571103285Sikob } 1572103285Sikob } 1573103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1574103285Sikob goto nextnode; 1575103285Sikob } 1576103285Sikob } 1577103285Sikobnextaddr: 1578103285Sikob fw_xfer_free( xfer); 1579103285Sikob fw_bus_explore(fc); 1580103285Sikob return; 1581114284Ssimokawaerrnode: 1582114284Ssimokawa fc->retry_count++; 1583114284Ssimokawa if (fc->ongodev != NULL) 1584114284Ssimokawa fc->ongodev->status = FWDEVINVAL; 1585103285Sikobnextnode: 1586103285Sikob fw_xfer_free( xfer); 1587103285Sikob fc->ongonode++; 1588103285Sikob/* housekeeping work space */ 1589103285Sikob fc->ongoaddr = CSRROMOFF; 1590103285Sikob fc->ongodev = NULL; 1591103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1592103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1593103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1594103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1595103285Sikob } 1596103285Sikob fw_bus_explore(fc); 1597103285Sikob return; 1598103285Sikob} 1599103285Sikob 1600103285Sikob/* 1601103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1602103285Sikob */ 1603106815Ssimokawastatic void 1604106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1605103285Sikob{ 1606103285Sikob struct fw_device *fwdev; 1607103285Sikob struct fw_xfer *xfer; 1608103285Sikob int i, err; 1609103285Sikob device_t *devlistp; 1610103285Sikob int devcnt; 1611103285Sikob struct firewire_dev_comm *fdc; 1612103285Sikob 1613114069Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1614114069Ssimokawa if (fwdev->status == FWDEVINIT) 1615114069Ssimokawa fwdev->status = FWDEVATTACHED; 1616103285Sikob 1617108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1618103285Sikob if( err != 0 ) 1619103285Sikob return; 1620103285Sikob for( i = 0 ; i < devcnt ; i++){ 1621103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1622103285Sikob fdc = device_get_softc(devlistp[i]); 1623103285Sikob if (fdc->post_explore != NULL) 1624103285Sikob fdc->post_explore(fdc); 1625103285Sikob } 1626103285Sikob } 1627103285Sikob free(devlistp, M_TEMP); 1628103285Sikob 1629103285Sikob /* call pending handlers */ 1630103285Sikob i = 0; 1631103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1632103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1633103285Sikob i++; 1634103285Sikob if (xfer->act.hand) 1635103285Sikob xfer->act.hand(xfer); 1636103285Sikob } 1637103285Sikob if (i > 0) 1638103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1639103285Sikob if (fc->retry_count > 0) { 1640111040Ssimokawa printf("probe failed for %d node\n", fc->retry_count); 1641111040Ssimokawa#if 0 1642110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1643110193Ssimokawa (void *)fc->ibr, (void *)fc); 1644111040Ssimokawa#endif 1645103285Sikob } 1646103285Sikob return; 1647103285Sikob} 1648106815Ssimokawa 1649103285Sikob/* 1650103285Sikob * To allocate uniq transaction label. 1651103285Sikob */ 1652106815Ssimokawastatic int 1653106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1654103285Sikob{ 1655103285Sikob u_int i; 1656103285Sikob struct tlabel *tl, *tmptl; 1657103285Sikob int s; 1658103285Sikob static u_int32_t label = 0; 1659103285Sikob 1660103285Sikob s = splfw(); 1661103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1662103285Sikob label = (label + 1) & 0x3f; 1663103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1664103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1665103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1666103285Sikob } 1667103285Sikob if(tmptl == NULL) { 1668110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1669103285Sikob if (tl == NULL) { 1670103285Sikob splx(s); 1671103285Sikob return (-1); 1672103285Sikob } 1673103285Sikob tl->xfer = xfer; 1674103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1675103285Sikob splx(s); 1676110577Ssimokawa if (firewire_debug > 1) 1677110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1678110577Ssimokawa xfer->dst, label); 1679103285Sikob return(label); 1680103285Sikob } 1681103285Sikob } 1682103285Sikob splx(s); 1683103285Sikob 1684103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1685103285Sikob return(-1); 1686103285Sikob} 1687106815Ssimokawa 1688113584Ssimokawastatic void 1689113584Ssimokawafw_rcv_copy(struct fw_xfer *xfer, struct iovec *vec, int nvec) 1690113584Ssimokawa{ 1691113584Ssimokawa char *p; 1692113584Ssimokawa int res, i, len; 1693113584Ssimokawa 1694113584Ssimokawa p = xfer->recv.buf; 1695113584Ssimokawa res = xfer->recv.len; 1696113584Ssimokawa for (i = 0; i < nvec; i++, vec++) { 1697113584Ssimokawa len = vec->iov_len; 1698113584Ssimokawa if (res < len) { 1699113584Ssimokawa printf("rcv buffer(%d) is %d bytes short.\n", 1700113584Ssimokawa xfer->recv.len, len - res); 1701113584Ssimokawa len = res; 1702113584Ssimokawa } 1703113584Ssimokawa bcopy(vec->iov_base, p, len); 1704113584Ssimokawa p += len; 1705113584Ssimokawa res -= len; 1706113584Ssimokawa if (res <= 0) 1707113584Ssimokawa break; 1708113584Ssimokawa } 1709113584Ssimokawa xfer->recv.len -= res; 1710113584Ssimokawa} 1711113584Ssimokawa 1712103285Sikob/* 1713103285Sikob * Generic packet receving process. 1714103285Sikob */ 1715106815Ssimokawavoid 1716113584Ssimokawafw_rcv(struct firewire_comm *fc, struct iovec *vec, int nvec, u_int sub, u_int spd) 1717103285Sikob{ 1718103285Sikob struct fw_pkt *fp, *resfp; 1719103285Sikob struct fw_xfer *xfer; 1720103285Sikob struct fw_bind *bind; 1721103285Sikob struct firewire_softc *sc; 1722113584Ssimokawa int tcode, s; 1723113584Ssimokawa int i, len, oldstate; 1724103285Sikob#if 0 1725103285Sikob { 1726103285Sikob u_int32_t *qld; 1727103285Sikob int i; 1728103285Sikob qld = (u_int32_t *)buf; 1729103285Sikob printf("spd %d len:%d\n", spd, len); 1730103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1731103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1732103285Sikob if((i % 16) == 15) printf("\n"); 1733103285Sikob } 1734103285Sikob if((i % 16) != 15) printf("\n"); 1735103285Sikob } 1736103285Sikob#endif 1737113584Ssimokawa fp = (struct fw_pkt *)vec[0].iov_base; 1738113584Ssimokawa tcode = fp->mode.common.tcode; 1739113584Ssimokawa#if 0 /* XXX this check is not valid for RRESQ and WREQQ */ 1740113584Ssimokawa if (vec[0].iov_len < fc->tcode[tcode].hdr_len) { 1741113584Ssimokawa#if __FreeBSD_version >= 500000 1742113584Ssimokawa printf("fw_rcv: iov_len(%zu) is less than" 1743113584Ssimokawa#else 1744113584Ssimokawa printf("fw_rcv: iov_len(%u) is less than" 1745113584Ssimokawa#endif 1746113584Ssimokawa " hdr_len(%d:tcode=%d)\n", vec[0].iov_len, 1747113584Ssimokawa fc->tcode[tcode].hdr_len, tcode); 1748113584Ssimokawa } 1749113584Ssimokawa#endif 1750113584Ssimokawa switch (tcode) { 1751103285Sikob case FWTCODE_WRES: 1752103285Sikob case FWTCODE_RRESQ: 1753103285Sikob case FWTCODE_RRESB: 1754103285Sikob case FWTCODE_LRES: 1755113584Ssimokawa xfer = fw_tl2xfer(fc, fp->mode.hdr.src, 1756103285Sikob fp->mode.hdr.tlrt >> 2); 1757103285Sikob if(xfer == NULL) { 1758103285Sikob printf("fw_rcv: unknown response " 1759110891Ssimokawa "tcode=%d src=0x%x tl=0x%x rt=%d data=0x%x\n", 1760113584Ssimokawa tcode, 1761113584Ssimokawa fp->mode.hdr.src, 1762103285Sikob fp->mode.hdr.tlrt >> 2, 1763103285Sikob fp->mode.hdr.tlrt & 3, 1764103285Sikob fp->mode.rresq.data); 1765103285Sikob#if 1 1766103285Sikob printf("try ad-hoc work around!!\n"); 1767113584Ssimokawa xfer = fw_tl2xfer(fc, fp->mode.hdr.src, 1768103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1769103285Sikob if (xfer == NULL) { 1770103285Sikob printf("no use...\n"); 1771103285Sikob goto err; 1772103285Sikob } 1773103285Sikob#else 1774103285Sikob goto err; 1775103285Sikob#endif 1776103285Sikob } 1777113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1778113584Ssimokawa xfer->resp = 0; 1779113584Ssimokawa /* make sure the packet is drained in AT queue */ 1780113584Ssimokawa oldstate = xfer->state; 1781113584Ssimokawa xfer->state = FWXF_RCVD; 1782113584Ssimokawa switch (oldstate) { 1783113584Ssimokawa case FWXF_SENT: 1784103285Sikob fw_xfer_done(xfer); 1785103285Sikob break; 1786113584Ssimokawa case FWXF_START: 1787113584Ssimokawa if (firewire_debug) 1788113584Ssimokawa printf("not sent yet\n"); 1789113584Ssimokawa break; 1790103285Sikob default: 1791113584Ssimokawa printf("unexpected state %d\n", xfer->state); 1792103285Sikob } 1793113584Ssimokawa return; 1794103285Sikob case FWTCODE_WREQQ: 1795103285Sikob case FWTCODE_WREQB: 1796103285Sikob case FWTCODE_RREQQ: 1797103285Sikob case FWTCODE_RREQB: 1798103285Sikob case FWTCODE_LREQ: 1799113584Ssimokawa bind = fw_bindlookup(fc, fp->mode.rreqq.dest_hi, 1800113584Ssimokawa fp->mode.rreqq.dest_lo); 1801103285Sikob if(bind == NULL){ 1802113962Ssimokawa#if __FreeBSD_version >= 500000 1803113584Ssimokawa printf("Unknown service addr 0x%08x:0x%08x tcode=%x src=0x%x data=%x\n", 1804113962Ssimokawa#else 1805113962Ssimokawa printf("Unknown service addr 0x%08x:0x%08x tcode=%x src=0x%x data=%lx\n", 1806113962Ssimokawa#endif 1807113584Ssimokawa fp->mode.wreqq.dest_hi, 1808113584Ssimokawa fp->mode.wreqq.dest_lo, 1809113584Ssimokawa tcode, 1810113584Ssimokawa fp->mode.hdr.src, 1811113584Ssimokawa ntohl(fp->mode.wreqq.data)); 1812103285Sikob if (fc->status == FWBUSRESET) { 1813110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1814103285Sikob goto err; 1815103285Sikob } 1816113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 0); 1817103285Sikob if(xfer == NULL){ 1818103285Sikob return; 1819103285Sikob } 1820103285Sikob xfer->spd = spd; 1821103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1822113584Ssimokawa switch (tcode) { 1823103285Sikob case FWTCODE_WREQQ: 1824103285Sikob case FWTCODE_WREQB: 1825103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1826103285Sikob xfer->send.len = 12; 1827103285Sikob break; 1828103285Sikob case FWTCODE_RREQQ: 1829103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1830103285Sikob xfer->send.len = 16; 1831103285Sikob break; 1832103285Sikob case FWTCODE_RREQB: 1833103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1834103285Sikob xfer->send.len = 16; 1835103285Sikob break; 1836103285Sikob case FWTCODE_LREQ: 1837103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1838103285Sikob xfer->send.len = 16; 1839103285Sikob break; 1840103285Sikob } 1841103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1842103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1843103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1844103285Sikob resfp->mode.rresb.rtcode = 7; 1845103285Sikob resfp->mode.rresb.extcode = 0; 1846103285Sikob resfp->mode.rresb.len = 0; 1847103285Sikob/* 1848103285Sikob xfer->act.hand = fw_asy_callback; 1849103285Sikob*/ 1850103285Sikob xfer->act.hand = fw_xfer_free; 1851103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1852103285Sikob fw_xfer_free( xfer); 1853103285Sikob return; 1854103285Sikob } 1855103285Sikob goto err; 1856103285Sikob } 1857113584Ssimokawa len = 0; 1858113584Ssimokawa for (i = 0; i < nvec; i ++) 1859113584Ssimokawa len += vec[i].iov_len; 1860113584Ssimokawa switch(bind->act_type){ 1861103285Sikob case FWACT_XFER: 1862113584Ssimokawa /* splfw()?? */ 1863113584Ssimokawa xfer = STAILQ_FIRST(&bind->xferlist); 1864113584Ssimokawa if (xfer == NULL) { 1865113584Ssimokawa printf("Discard a packet for this bind.\n"); 1866113584Ssimokawa goto err; 1867113584Ssimokawa } 1868113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1869113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1870103285Sikob xfer->spd = spd; 1871103285Sikob if (fc->status != FWBUSRESET) 1872103285Sikob xfer->act.hand(xfer); 1873103285Sikob else 1874103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1875103285Sikob return; 1876103285Sikob break; 1877103285Sikob case FWACT_CH: 1878113584Ssimokawa if(fc->ir[bind->sub]->queued >= 1879113584Ssimokawa fc->ir[bind->sub]->maxq){ 1880108655Ssimokawa device_printf(fc->bdev, 1881108655Ssimokawa "Discard a packet %x %d\n", 1882113584Ssimokawa bind->sub, 1883113584Ssimokawa fc->ir[bind->sub]->queued); 1884103285Sikob goto err; 1885103285Sikob } 1886113584Ssimokawa xfer = STAILQ_FIRST(&bind->xferlist); 1887113584Ssimokawa if (xfer == NULL) { 1888113584Ssimokawa printf("Discard packet for this bind\n"); 1889113584Ssimokawa goto err; 1890113584Ssimokawa } 1891113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1892113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1893103285Sikob xfer->spd = spd; 1894103285Sikob s = splfw(); 1895113584Ssimokawa fc->ir[bind->sub]->queued++; 1896113584Ssimokawa STAILQ_INSERT_TAIL(&fc->ir[bind->sub]->q, xfer, link); 1897103285Sikob splx(s); 1898103285Sikob 1899113584Ssimokawa wakeup((caddr_t)fc->ir[bind->sub]); 1900103285Sikob 1901103285Sikob return; 1902103285Sikob break; 1903103285Sikob default: 1904103285Sikob goto err; 1905103285Sikob break; 1906103285Sikob } 1907103285Sikob break; 1908103285Sikob case FWTCODE_STREAM: 1909103285Sikob { 1910103285Sikob struct fw_xferq *xferq; 1911103285Sikob 1912103285Sikob xferq = fc->ir[sub]; 1913103285Sikob#if 0 1914103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1915103285Sikob sub, len, off, spd); 1916103285Sikob#endif 1917103285Sikob if(xferq->queued >= xferq->maxq) { 1918103285Sikob printf("receive queue is full\n"); 1919103285Sikob goto err; 1920103285Sikob } 1921113584Ssimokawa /* XXX get xfer from xfer queue, we don't need copy for 1922113584Ssimokawa per packet mode */ 1923113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */ 1924113584Ssimokawa vec[0].iov_len); 1925103285Sikob if(xfer == NULL) goto err; 1926113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1927103285Sikob xfer->spd = spd; 1928103285Sikob s = splfw(); 1929103285Sikob xferq->queued++; 1930103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1931103285Sikob splx(s); 1932103285Sikob sc = device_get_softc(fc->bdev); 1933103285Sikob#if __FreeBSD_version >= 500000 1934103285Sikob if (SEL_WAITING(&xferq->rsel)) 1935103285Sikob#else 1936103285Sikob if (&xferq->rsel.si_pid != 0) 1937103285Sikob#endif 1938103285Sikob selwakeup(&xferq->rsel); 1939103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1940103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1941103285Sikob wakeup((caddr_t)xferq); 1942103285Sikob } 1943103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1944103285Sikob xferq->hand(xferq); 1945103285Sikob } 1946103285Sikob return; 1947103285Sikob break; 1948103285Sikob } 1949103285Sikob default: 1950113584Ssimokawa printf("fw_rcv: unknow tcode %d\n", tcode); 1951103285Sikob break; 1952103285Sikob } 1953103285Sikoberr: 1954113584Ssimokawa return; 1955103285Sikob} 1956106815Ssimokawa 1957103285Sikob/* 1958103285Sikob * Post process for Bus Manager election process. 1959103285Sikob */ 1960103285Sikobstatic void 1961103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1962103285Sikob{ 1963109422Ssimokawa struct fw_pkt *rfp; 1964103285Sikob struct firewire_comm *fc; 1965109422Ssimokawa int bmr; 1966103285Sikob 1967109422Ssimokawa if (xfer == NULL) 1968109422Ssimokawa return; 1969103285Sikob fc = xfer->fc; 1970109422Ssimokawa if (xfer->resp != 0) 1971103285Sikob goto error; 1972109422Ssimokawa if (xfer->send.buf == NULL) 1973103285Sikob goto error; 1974109422Ssimokawa if (xfer->recv.buf == NULL) 1975103285Sikob goto error; 1976103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1977109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1978109422Ssimokawa goto error; 1979109422Ssimokawa 1980109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1981109422Ssimokawa if (bmr == 0x3f) 1982109422Ssimokawa bmr = fc->nodeid; 1983109422Ssimokawa 1984109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1985114909Ssimokawa fw_xfer_free(xfer); 1986114909Ssimokawa fw_bmr(fc); 1987114909Ssimokawa return; 1988114909Ssimokawa 1989103285Sikoberror: 1990114909Ssimokawa device_printf(fc->bdev, "bus manager election failed\n"); 1991103285Sikob fw_xfer_free(xfer); 1992103285Sikob} 1993106815Ssimokawa 1994113584Ssimokawa 1995103285Sikob/* 1996103285Sikob * To candidate Bus Manager election process. 1997103285Sikob */ 1998110270Ssimokawastatic void 1999106815Ssimokawafw_try_bmr(void *arg) 2000103285Sikob{ 2001103285Sikob struct fw_xfer *xfer; 2002103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 2003103285Sikob struct fw_pkt *fp; 2004103285Sikob int err = 0; 2005103285Sikob 2006113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 24, 20); 2007103285Sikob if(xfer == NULL){ 2008103285Sikob return; 2009103285Sikob } 2010103285Sikob xfer->spd = 0; 2011103285Sikob fc->status = FWBUSMGRELECT; 2012103285Sikob 2013103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 2014113584Ssimokawa fp->mode.lreq.dest_hi = 0xffff; 2015103285Sikob fp->mode.lreq.tlrt = 0; 2016103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2017103285Sikob fp->mode.lreq.pri = 0; 2018103285Sikob fp->mode.lreq.src = 0; 2019113584Ssimokawa fp->mode.lreq.len = 8; 2020113584Ssimokawa fp->mode.lreq.extcode = FW_LREQ_CMPSWAP; 2021103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2022113584Ssimokawa fp->mode.lreq.dst = xfer->dst; 2023113584Ssimokawa fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID; 2024109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 2025109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 2026103285Sikob xfer->act.hand = fw_try_bmr_callback; 2027103285Sikob 2028103285Sikob err = fw_asyreq(fc, -1, xfer); 2029103285Sikob if(err){ 2030103285Sikob fw_xfer_free( xfer); 2031103285Sikob return; 2032103285Sikob } 2033103285Sikob return; 2034103285Sikob} 2035106543Ssimokawa 2036106543Ssimokawa#ifdef FW_VMACCESS 2037103285Sikob/* 2038103285Sikob * Software implementation for physical memory block access. 2039103285Sikob * XXX:Too slow, usef for debug purpose only. 2040103285Sikob */ 2041106815Ssimokawastatic void 2042106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2043103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2044113584Ssimokawa u_int32_t *ld = (u_int32_t *)xfer->recv.buf; 2045103285Sikob 2046113584Ssimokawa printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n", 2047113584Ssimokawa xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2048103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2049103285Sikob if(xfer->resp != 0){ 2050103285Sikob fw_xfer_free( xfer); 2051103285Sikob return; 2052103285Sikob } 2053103285Sikob if(xfer->recv.buf == NULL){ 2054103285Sikob fw_xfer_free( xfer); 2055103285Sikob return; 2056103285Sikob } 2057103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2058103285Sikob switch(rfp->mode.hdr.tcode){ 2059103285Sikob /* XXX need fix for 64bit arch */ 2060103285Sikob case FWTCODE_WREQB: 2061110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2062103285Sikob xfer->send.len = 12; 2063103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2064103285Sikob bcopy(rfp->mode.wreqb.payload, 2065103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2066103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2067103285Sikob sfp->mode.wres.rtcode = 0; 2068103285Sikob break; 2069103285Sikob case FWTCODE_WREQQ: 2070110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2071103285Sikob xfer->send.len = 12; 2072103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2073103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2074103285Sikob sfp->mode.wres.rtcode = 0; 2075103285Sikob break; 2076103285Sikob case FWTCODE_RREQB: 2077110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2078103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2079103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2080103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2081103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2082103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2083103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2084103285Sikob sfp->mode.rresb.rtcode = 0; 2085103285Sikob sfp->mode.rresb.extcode = 0; 2086103285Sikob break; 2087103285Sikob case FWTCODE_RREQQ: 2088110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2089103285Sikob xfer->send.len = 16; 2090103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2091103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2092103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2093103285Sikob sfp->mode.rresb.rtcode = 0; 2094103285Sikob break; 2095103285Sikob default: 2096103285Sikob fw_xfer_free( xfer); 2097103285Sikob return; 2098103285Sikob } 2099103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2100103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2101103285Sikob xfer->act.hand = fw_xfer_free; 2102103285Sikob xfer->retry_req = fw_asybusy; 2103103285Sikob 2104103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2105103285Sikob sfp->mode.hdr.pri = 0; 2106103285Sikob 2107103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2108103285Sikob/**/ 2109103285Sikob return; 2110103285Sikob} 2111106543Ssimokawa#endif 2112106543Ssimokawa 2113103285Sikob/* 2114103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2115103285Sikob */ 2116106815Ssimokawau_int16_t 2117106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2118103285Sikob u_int32_t i, sum, crc = 0; 2119103285Sikob int shift; 2120103285Sikob len = (len + 3) & ~3; 2121103285Sikob for(i = 0 ; i < len ; i+= 4){ 2122103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2123103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2124103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2125103285Sikob } 2126103285Sikob crc &= 0xffff; 2127103285Sikob } 2128103285Sikob return((u_int16_t) crc); 2129103285Sikob} 2130106815Ssimokawa 2131110270Ssimokawastatic int 2132110072Ssimokawafw_bmr(struct firewire_comm *fc) 2133110072Ssimokawa{ 2134110072Ssimokawa struct fw_device fwdev; 2135113584Ssimokawa union fw_self_id *self_id; 2136110072Ssimokawa int cmstr; 2137110072Ssimokawa 2138113584Ssimokawa /* Check to see if the current root node is cycle master capable */ 2139113584Ssimokawa self_id = &fc->topology_map->self_id[fc->max_node]; 2140113584Ssimokawa if (fc->max_node > 0) { 2141114909Ssimokawa /* XXX check cmc bit of businfo block rather than contender */ 2142114909Ssimokawa if (self_id->p0.link_active && self_id->p0.contender) 2143113584Ssimokawa cmstr = fc->max_node; 2144114909Ssimokawa else { 2145114909Ssimokawa device_printf(fc->bdev, 2146114909Ssimokawa "root node is not cycle master capable\n"); 2147114909Ssimokawa /* XXX shall we be the cycle master? */ 2148113584Ssimokawa cmstr = fc->nodeid; 2149114909Ssimokawa /* XXX need bus reset */ 2150114909Ssimokawa } 2151113584Ssimokawa } else 2152113584Ssimokawa cmstr = -1; 2153114909Ssimokawa 2154114909Ssimokawa device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID)); 2155114909Ssimokawa if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) { 2156114909Ssimokawa /* We are not the bus manager */ 2157114909Ssimokawa printf("\n"); 2158114909Ssimokawa return(0); 2159114909Ssimokawa } 2160114909Ssimokawa printf("(me)\n"); 2161114909Ssimokawa 2162114909Ssimokawa /* Optimize gapcount */ 2163113584Ssimokawa if(fc->max_hop <= MAX_GAPHOP ) 2164113584Ssimokawa fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]); 2165110072Ssimokawa /* If we are the cycle master, nothing to do */ 2166113584Ssimokawa if (cmstr == fc->nodeid || cmstr == -1) 2167110072Ssimokawa return 0; 2168110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2169110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2170110072Ssimokawa fwdev.fc = fc; 2171110072Ssimokawa fwdev.dst = cmstr; 2172110072Ssimokawa fwdev.speed = 0; 2173110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2174110072Ssimokawa fwdev.status = FWDEVINIT; 2175110072Ssimokawa /* Set cmstr bit on the cycle master */ 2176110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2177114909Ssimokawa 0xffff, 0xf0000000 | STATE_SET, htonl(1 << 8), 2178110072Ssimokawa fw_asy_callback_free); 2179110072Ssimokawa 2180110072Ssimokawa return 0; 2181110072Ssimokawa} 2182110072Ssimokawa 2183103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2184103285SikobMODULE_VERSION(firewire, 1); 2185