firewire.c revision 113584
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 113584 2003-04-17 03:38:03Z 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 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 */ 54113584Ssimokawa#include <machine/bus.h> 55103285Sikob 56103285Sikob#include <dev/firewire/firewire.h> 57103285Sikob#include <dev/firewire/firewirereg.h> 58110072Ssimokawa#include <dev/firewire/fwmem.h> 59103285Sikob#include <dev/firewire/iec13213.h> 60103285Sikob#include <dev/firewire/iec68113.h> 61103285Sikob 62109736Ssimokawaint firewire_debug=0, try_bmr=1; 63103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 64108281Ssimokawa "FireWire driver debug flag"); 65109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 66109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 67109736Ssimokawa "Try to be a bus manager"); 68103285Sikob 69110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 70110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 71110195Ssimokawa 72103285Sikob#define FW_MAXASYRTY 4 73103285Sikob#define FW_MAXDEVRCNT 4 74103285Sikob 75103285Sikobdevclass_t firewire_devclass; 76103285Sikob 77103285Sikobstatic int firewire_match __P((device_t)); 78103285Sikobstatic int firewire_attach __P((device_t)); 79103285Sikobstatic int firewire_detach __P((device_t)); 80103285Sikob#if 0 81103285Sikobstatic int firewire_shutdown __P((device_t)); 82103285Sikob#endif 83103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 84103285Sikobstatic void fw_try_bmr __P((void *)); 85103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 86103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 87103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 88103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 89103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 90103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 91103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 92106543Ssimokawa#ifdef FW_VMACCESS 93103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 94106543Ssimokawa#endif 95103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 96105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 97110072Ssimokawastatic int fw_bmr __P((struct firewire_comm *)); 98103285Sikob 99103285Sikobstatic device_method_t firewire_methods[] = { 100103285Sikob /* Device interface */ 101103285Sikob DEVMETHOD(device_probe, firewire_match), 102103285Sikob DEVMETHOD(device_attach, firewire_attach), 103103285Sikob DEVMETHOD(device_detach, firewire_detach), 104108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 105108642Ssimokawa DEVMETHOD(device_resume, bus_generic_resume), 106103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 107103285Sikob 108103285Sikob /* Bus interface */ 109103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 110103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 111103285Sikob 112103285Sikob { 0, 0 } 113103285Sikob}; 114103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 115103285Sikob 116103285Sikob#define MAX_GAPHOP 16 117103285Sikobu_int gap_cnt[] = {1, 1, 4, 6, 9, 12, 14, 17, 118103285Sikob 20, 23, 25, 28, 31, 33, 36, 39, 42}; 119106813Ssimokawa 120106813Ssimokawaextern struct cdevsw firewire_cdevsw; 121106813Ssimokawa 122103285Sikobstatic driver_t firewire_driver = { 123103285Sikob "firewire", 124103285Sikob firewire_methods, 125103285Sikob sizeof(struct firewire_softc), 126103285Sikob}; 127103285Sikob 128103285Sikob/* 129110072Ssimokawa * Lookup fwdev by node id. 130103285Sikob */ 131106810Ssimokawastruct fw_device * 132110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 133103285Sikob{ 134103285Sikob struct fw_device *fwdev; 135110072Ssimokawa int s; 136110072Ssimokawa 137110072Ssimokawa s = splfw(); 138110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 139110072Ssimokawa if (fwdev->dst == dst) 140103285Sikob break; 141110072Ssimokawa splx(s); 142110072Ssimokawa 143106810Ssimokawa if(fwdev == NULL) return NULL; 144106810Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 145106810Ssimokawa return fwdev; 146103285Sikob} 147106813Ssimokawa 148103285Sikob/* 149110072Ssimokawa * Lookup fwdev by EUI64. 150110072Ssimokawa */ 151110072Ssimokawastruct fw_device * 152110582Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 153110072Ssimokawa{ 154110072Ssimokawa struct fw_device *fwdev; 155110072Ssimokawa int s; 156110072Ssimokawa 157110072Ssimokawa s = splfw(); 158110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 159110582Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 160110072Ssimokawa break; 161110072Ssimokawa splx(s); 162110072Ssimokawa 163110072Ssimokawa if(fwdev == NULL) return NULL; 164110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 165110072Ssimokawa return fwdev; 166110072Ssimokawa} 167110072Ssimokawa 168110072Ssimokawa/* 169103285Sikob * Async. request procedure for userland application. 170103285Sikob */ 171103285Sikobint 172103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 173103285Sikob{ 174103285Sikob int err = 0; 175103285Sikob struct fw_xferq *xferq; 176103285Sikob int tl = 0, len; 177103285Sikob struct fw_pkt *fp; 178103285Sikob int tcode; 179103285Sikob struct tcode_info *info; 180103285Sikob 181103285Sikob if(xfer == NULL) return EINVAL; 182108701Ssimokawa if(xfer->send.len > MAXREC(fc->maxrec)){ 183103285Sikob printf("send.len > maxrec\n"); 184103285Sikob return EINVAL; 185103285Sikob } 186103285Sikob if(xfer->act.hand == NULL){ 187103285Sikob printf("act.hand == NULL\n"); 188103285Sikob return EINVAL; 189103285Sikob } 190103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 191103285Sikob 192103285Sikob tcode = fp->mode.common.tcode & 0xf; 193103285Sikob info = &fc->tcode[tcode]; 194103285Sikob if (info->flag == 0) { 195103285Sikob printf("invalid tcode=%d\n", tcode); 196103285Sikob return EINVAL; 197103285Sikob } 198103285Sikob if (info->flag & FWTI_REQ) 199103285Sikob xferq = fc->atq; 200103285Sikob else 201103285Sikob xferq = fc->ats; 202103285Sikob len = info->hdr_len; 203103285Sikob if (info->flag & FWTI_BLOCK_STR) 204113584Ssimokawa len += fp->mode.stream.len; 205103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 206113584Ssimokawa len += fp->mode.rresb.len; 207103285Sikob if( len > xfer->send.len ){ 208103285Sikob printf("len(%d) > send.len(%d) (tcode=%d)\n", 209103285Sikob len, xfer->send.len, tcode); 210103285Sikob return EINVAL; 211103285Sikob } 212103285Sikob xfer->send.len = len; 213106790Ssimokawa 214103285Sikob if(xferq->start == NULL){ 215103285Sikob printf("xferq->start == NULL\n"); 216103285Sikob return EINVAL; 217103285Sikob } 218103285Sikob if(!(xferq->queued < xferq->maxq)){ 219108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 220108655Ssimokawa xferq->queued); 221103285Sikob return EINVAL; 222103285Sikob } 223103285Sikob 224103285Sikob 225103285Sikob if (info->flag & FWTI_TLABEL) { 226103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 227103285Sikob return EIO; 228103285Sikob fp->mode.hdr.tlrt = tl << 2; 229103285Sikob } 230103285Sikob 231103285Sikob xfer->tl = tl; 232103285Sikob xfer->resp = 0; 233103285Sikob xfer->fc = fc; 234103285Sikob xfer->q = xferq; 235103285Sikob xfer->retry_req = fw_asybusy; 236103285Sikob 237103285Sikob fw_asystart(xfer); 238103285Sikob return err; 239103285Sikob} 240103285Sikob/* 241103285Sikob * Wakeup blocked process. 242103285Sikob */ 243103285Sikobvoid 244103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 245103285Sikob wakeup(xfer); 246103285Sikob return; 247103285Sikob} 248103285Sikob/* 249103285Sikob * Postpone to later retry. 250103285Sikob */ 251103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 252103285Sikob printf("fw_asybusy\n"); 253103285Sikob/* 254103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 255103285Sikob*/ 256103285Sikob DELAY(20000); 257103285Sikob fw_asystart(xfer); 258103285Sikob return; 259103285Sikob} 260103285Sikob 261103285Sikob/* 262103285Sikob * Async. request with given xfer structure. 263103285Sikob */ 264106790Ssimokawastatic void 265106790Ssimokawafw_asystart(struct fw_xfer *xfer) 266106790Ssimokawa{ 267103285Sikob struct firewire_comm *fc = xfer->fc; 268103285Sikob int s; 269103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 270113584Ssimokawa device_printf(fc->bdev, "max_asyretry exceeded\n"); 271103285Sikob xfer->resp = EBUSY; 272103285Sikob xfer->state = FWXF_BUSY; 273103285Sikob xfer->act.hand(xfer); 274103285Sikob return; 275103285Sikob } 276103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 277103285Sikob if (fc->status < FWBUSEXPLORE) { 278103285Sikob xfer->resp = EAGAIN; 279103285Sikob xfer->state = FWXF_BUSY; 280103285Sikob if (xfer->act.hand != NULL) 281103285Sikob xfer->act.hand(xfer); 282103285Sikob return; 283103285Sikob } 284103285Sikob#endif 285103285Sikob s = splfw(); 286103285Sikob xfer->state = FWXF_INQ; 287103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 288103285Sikob xfer->q->queued ++; 289103285Sikob splx(s); 290103285Sikob /* XXX just queue for mbuf */ 291103285Sikob if (xfer->mbuf == NULL) 292103285Sikob xfer->q->start(fc); 293103285Sikob return; 294103285Sikob} 295106790Ssimokawa 296103285Sikobstatic int 297103285Sikobfirewire_match( device_t dev ) 298103285Sikob{ 299108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 300103285Sikob return -140; 301103285Sikob} 302106790Ssimokawa 303110577Ssimokawastatic void 304110577Ssimokawafirewire_xfer_timeout(struct firewire_comm *fc) 305110577Ssimokawa{ 306110577Ssimokawa struct fw_xfer *xfer; 307110577Ssimokawa struct tlabel *tl; 308110577Ssimokawa struct timeval tv; 309110577Ssimokawa struct timeval split_timeout; 310111040Ssimokawa int i, s; 311110577Ssimokawa 312110891Ssimokawa split_timeout.tv_sec = 6; 313110577Ssimokawa split_timeout.tv_usec = 0; 314110577Ssimokawa 315110577Ssimokawa microtime(&tv); 316110577Ssimokawa timevalsub(&tv, &split_timeout); 317110577Ssimokawa 318111040Ssimokawa s = splfw(); 319110577Ssimokawa for (i = 0; i < 0x40; i ++) { 320110577Ssimokawa while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 321110577Ssimokawa xfer = tl->xfer; 322110577Ssimokawa if (timevalcmp(&xfer->tv, &tv, >)) 323110577Ssimokawa /* the rests are newer than this */ 324110577Ssimokawa break; 325110577Ssimokawa device_printf(fc->bdev, 326110891Ssimokawa "split transaction timeout dst=0x%x tl=0x%x\n", 327110577Ssimokawa xfer->dst, i); 328110577Ssimokawa xfer->resp = ETIMEDOUT; 329110577Ssimokawa STAILQ_REMOVE_HEAD(&fc->tlabels[i], link); 330113584Ssimokawa fw_xfer_done(xfer); 331110577Ssimokawa } 332110577Ssimokawa } 333111040Ssimokawa splx(s); 334110577Ssimokawa} 335110577Ssimokawa 336110577Ssimokawastatic void 337110577Ssimokawafirewire_watchdog(void *arg) 338110577Ssimokawa{ 339110577Ssimokawa struct firewire_comm *fc; 340110577Ssimokawa 341110577Ssimokawa fc = (struct firewire_comm *)arg; 342110577Ssimokawa firewire_xfer_timeout(fc); 343110577Ssimokawa fc->timeout(fc); 344110577Ssimokawa callout_reset(&fc->timeout_callout, hz, 345110577Ssimokawa (void *)firewire_watchdog, (void *)fc); 346110577Ssimokawa} 347110577Ssimokawa 348103285Sikob/* 349103285Sikob * The attach routine. 350103285Sikob */ 351103285Sikobstatic int 352103285Sikobfirewire_attach( device_t dev ) 353103285Sikob{ 354103285Sikob int i, unitmask, mn; 355103285Sikob struct firewire_softc *sc = device_get_softc(dev); 356103285Sikob device_t pa = device_get_parent(dev); 357103285Sikob struct firewire_comm *fc; 358103285Sikob dev_t d; 359103285Sikob 360103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 361103285Sikob sc->fc = fc; 362111074Ssimokawa fc->status = -1; 363103285Sikob 364103285Sikob unitmask = UNIT2MIN(device_get_unit(dev)); 365103285Sikob 366103285Sikob if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 367103285Sikob for ( i = 0 ; i < fc->nisodma ; i++ ){ 368103285Sikob mn = unitmask | i; 369103285Sikob /* XXX device name should be improved */ 370103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(mn), 371108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 372103285Sikob "fw%x", mn); 373103285Sikob#if __FreeBSD_version >= 500000 374103285Sikob if (i == 0) 375103285Sikob sc->dev = d; 376103285Sikob else 377103285Sikob dev_depends(sc->dev, d); 378103285Sikob#else 379103285Sikob sc->dev[i] = d; 380103285Sikob#endif 381103285Sikob } 382103285Sikob d = make_dev(&firewire_cdevsw, unit2minor(unitmask | FWMEM_FLAG), 383108276Ssimokawa UID_ROOT, GID_OPERATOR, 0660, 384103285Sikob "fwmem%d", device_get_unit(dev)); 385103285Sikob#if __FreeBSD_version >= 500000 386103285Sikob dev_depends(sc->dev, d); 387103285Sikob#else 388103285Sikob sc->dev[i] = d; 389103285Sikob#endif 390110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 391110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 392110193Ssimokawa CALLOUT_INIT(&sc->fc->retry_probe_callout); 393110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 394108853Ssimokawa 395110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 396110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 397110193Ssimokawa 398103285Sikob /* Locate our children */ 399103285Sikob bus_generic_probe(dev); 400103285Sikob 401103285Sikob /* launch attachement of the added children */ 402103285Sikob bus_generic_attach(dev); 403103285Sikob 404103285Sikob /* bus_reset */ 405103285Sikob fc->ibr(fc); 406103285Sikob 407103285Sikob return 0; 408103285Sikob} 409103285Sikob 410103285Sikob/* 411103285Sikob * Attach it as child. 412103285Sikob */ 413103285Sikobstatic device_t 414103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 415103285Sikob{ 416103285Sikob device_t child; 417103285Sikob struct firewire_softc *sc; 418103285Sikob 419103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 420103285Sikob child = device_add_child(dev, name, unit); 421103285Sikob if (child) { 422103285Sikob device_set_ivars(child, sc->fc); 423103285Sikob device_probe_and_attach(child); 424103285Sikob } 425103285Sikob 426103285Sikob return child; 427103285Sikob} 428106790Ssimokawa 429103285Sikob/* 430103285Sikob * Dettach it. 431103285Sikob */ 432103285Sikobstatic int 433103285Sikobfirewire_detach( device_t dev ) 434103285Sikob{ 435103285Sikob struct firewire_softc *sc; 436111074Ssimokawa struct csrdir *csrd, *next; 437111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 438103285Sikob 439103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 440106790Ssimokawa 441111078Ssimokawa bus_generic_detach(dev); 442111078Ssimokawa 443111078Ssimokawa callout_stop(&sc->fc->timeout_callout); 444111078Ssimokawa callout_stop(&sc->fc->bmr_callout); 445111078Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 446111078Ssimokawa callout_stop(&sc->fc->busprobe_callout); 447111078Ssimokawa 448103285Sikob#if __FreeBSD_version >= 500000 449103285Sikob destroy_dev(sc->dev); 450103285Sikob#else 451103285Sikob { 452103285Sikob int j; 453103285Sikob for (j = 0 ; j < sc->fc->nisodma + 1; j++) 454103285Sikob destroy_dev(sc->dev[j]); 455103285Sikob } 456103285Sikob#endif 457103285Sikob /* XXX xfree_free and untimeout on all xfers */ 458111078Ssimokawa for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 459111078Ssimokawa fwdev = fwdev_next) { 460111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 461111078Ssimokawa free(fwdev, M_FW); 462111078Ssimokawa } 463111074Ssimokawa for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 464111074Ssimokawa next = SLIST_NEXT(csrd, link); 465111074Ssimokawa free(csrd, M_FW); 466111074Ssimokawa } 467110195Ssimokawa free(sc->fc->topology_map, M_FW); 468110195Ssimokawa free(sc->fc->speed_map, M_FW); 469103285Sikob return(0); 470103285Sikob} 471103285Sikob#if 0 472103285Sikobstatic int 473103285Sikobfirewire_shutdown( device_t dev ) 474103285Sikob{ 475103285Sikob return 0; 476103285Sikob} 477103285Sikob#endif 478106790Ssimokawa 479110577Ssimokawa 480110577Ssimokawastatic void 481110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 482110577Ssimokawa{ 483110577Ssimokawa struct fw_xfer *xfer; 484110577Ssimokawa 485110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 486110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 487111942Ssimokawa xferq->queued --; 488110577Ssimokawa xfer->resp = EAGAIN; 489113584Ssimokawa fw_xfer_done(xfer); 490110577Ssimokawa } 491110577Ssimokawa} 492110577Ssimokawa 493110798Ssimokawavoid 494110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 495110798Ssimokawa{ 496110798Ssimokawa int i; 497110798Ssimokawa 498110798Ssimokawa fw_xferq_drain(fc->atq); 499110798Ssimokawa fw_xferq_drain(fc->ats); 500110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 501110798Ssimokawa fw_xferq_drain(fc->it[i]); 502110798Ssimokawa} 503110798Ssimokawa 504103285Sikob/* 505106790Ssimokawa * Called after bus reset. 506103285Sikob */ 507106790Ssimokawavoid 508106790Ssimokawafw_busreset(struct firewire_comm *fc) 509103285Sikob{ 510113584Ssimokawa struct firewire_dev_comm *fdc; 511113584Ssimokawa device_t *devlistp; 512113584Ssimokawa int devcnt; 513103285Sikob int i; 514103285Sikob 515103285Sikob switch(fc->status){ 516103285Sikob case FWBUSMGRELECT: 517110193Ssimokawa callout_stop(&fc->bmr_callout); 518103285Sikob break; 519103285Sikob default: 520103285Sikob break; 521103285Sikob } 522103285Sikob fc->status = FWBUSRESET; 523103285Sikob CSRARC(fc, STATE_CLEAR) 524103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 525103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 526103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 527103285Sikob 528103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 529103285Sikob fc->irm = -1; 530103285Sikob 531103285Sikob fc->max_node = -1; 532103285Sikob 533103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 534103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 535103285Sikob } 536103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 537103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 538103285Sikob CSRARC(fc, RESET_START) = 0; 539103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 540103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 541103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 542103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 543103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 544103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 545103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 546103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 547103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 548103285Sikob 549103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 550103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 551103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 552103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 553103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 554103285Sikob 555103285Sikob/* DV depend CSRs see blue book */ 556103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 557103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 558103285Sikob 559103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 560103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 561113584Ssimokawa 562113584Ssimokawa if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) { 563113584Ssimokawa for( i = 0 ; i < devcnt ; i++) 564113584Ssimokawa if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 565113584Ssimokawa fdc = device_get_softc(devlistp[i]); 566113584Ssimokawa if (fdc->post_busreset != NULL) 567113584Ssimokawa fdc->post_busreset(fdc); 568113584Ssimokawa } 569113584Ssimokawa free(devlistp, M_TEMP); 570113584Ssimokawa } 571103285Sikob} 572106790Ssimokawa 573103285Sikob/* Call once after reboot */ 574106790Ssimokawavoid fw_init(struct firewire_comm *fc) 575103285Sikob{ 576103285Sikob int i; 577106543Ssimokawa struct csrdir *csrd; 578106543Ssimokawa#ifdef FW_VMACCESS 579103285Sikob struct fw_xfer *xfer; 580103285Sikob struct fw_bind *fwb; 581106543Ssimokawa#endif 582103285Sikob 583103285Sikob fc->max_asyretry = FW_MAXASYRTY; 584103285Sikob 585103285Sikob fc->arq->queued = 0; 586103285Sikob fc->ars->queued = 0; 587103285Sikob fc->atq->queued = 0; 588103285Sikob fc->ats->queued = 0; 589103285Sikob 590103285Sikob fc->arq->buf = NULL; 591103285Sikob fc->ars->buf = NULL; 592103285Sikob fc->atq->buf = NULL; 593103285Sikob fc->ats->buf = NULL; 594103285Sikob 595113584Ssimokawa fc->arq->flag = 0; 596113584Ssimokawa fc->ars->flag = 0; 597113584Ssimokawa fc->atq->flag = 0; 598113584Ssimokawa fc->ats->flag = 0; 599103285Sikob 600103285Sikob STAILQ_INIT(&fc->atq->q); 601103285Sikob STAILQ_INIT(&fc->ats->q); 602103285Sikob 603103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 604103285Sikob fc->it[i]->queued = 0; 605103285Sikob fc->ir[i]->queued = 0; 606103285Sikob 607103285Sikob fc->it[i]->start = NULL; 608103285Sikob fc->ir[i]->start = NULL; 609103285Sikob 610103285Sikob fc->it[i]->buf = NULL; 611103285Sikob fc->ir[i]->buf = NULL; 612103285Sikob 613103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 614103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 615103285Sikob 616103285Sikob STAILQ_INIT(&fc->it[i]->q); 617103285Sikob STAILQ_INIT(&fc->ir[i]->q); 618103285Sikob 619103285Sikob STAILQ_INIT(&fc->it[i]->binds); 620103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 621103285Sikob } 622103285Sikob 623103285Sikob fc->arq->maxq = FWMAXQUEUE; 624103285Sikob fc->ars->maxq = FWMAXQUEUE; 625103285Sikob fc->atq->maxq = FWMAXQUEUE; 626103285Sikob fc->ats->maxq = FWMAXQUEUE; 627103285Sikob 628103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 629103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 630103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 631103285Sikob } 632103285Sikob/* Initialize csr registers */ 633103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 634103285Sikob sizeof(struct fw_topology_map), 635110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 636103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 637103285Sikob sizeof(struct fw_speed_map), 638110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 639103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 640103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 641103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 642103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 643103285Sikob 644110193Ssimokawa STAILQ_INIT(&fc->devices); 645103285Sikob STAILQ_INIT(&fc->pending); 646103285Sikob 647103285Sikob/* Initialize csr ROM work space */ 648103285Sikob SLIST_INIT(&fc->ongocsr); 649103285Sikob SLIST_INIT(&fc->csrfree); 650103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 651110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 652103285Sikob if(csrd == NULL) break; 653103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 654103285Sikob } 655103285Sikob 656103285Sikob/* Initialize Async handlers */ 657103285Sikob STAILQ_INIT(&fc->binds); 658103285Sikob for( i = 0 ; i < 0x40 ; i++){ 659103285Sikob STAILQ_INIT(&fc->tlabels[i]); 660103285Sikob } 661103285Sikob 662103285Sikob/* DV depend CSRs see blue book */ 663103285Sikob#if 0 664103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 665103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 666103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 667103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 668103285Sikob } 669103285Sikob 670103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 671103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 672103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 673103285Sikob CSRARC(fc, i + iPCR) = 0x0; 674103285Sikob } 675103285Sikob#endif 676103285Sikob 677103285Sikob 678106543Ssimokawa#ifdef FW_VMACCESS 679103285Sikob xfer = fw_xfer_alloc(); 680103285Sikob if(xfer == NULL) return; 681103285Sikob 682110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 683103285Sikob if(fwb == NULL){ 684103285Sikob fw_xfer_free(xfer); 685103285Sikob } 686103285Sikob xfer->act.hand = fw_vmaccess; 687103285Sikob xfer->fc = fc; 688103285Sikob xfer->sc = NULL; 689103285Sikob 690103285Sikob fwb->start_hi = 0x2; 691103285Sikob fwb->start_lo = 0; 692103285Sikob fwb->addrlen = 0xffffffff; 693103285Sikob fwb->xfer = xfer; 694103285Sikob fw_bindadd(fc, fwb); 695106543Ssimokawa#endif 696103285Sikob} 697106790Ssimokawa 698103285Sikob/* 699103285Sikob * To lookup binded process from IEEE1394 address. 700103285Sikob */ 701106813Ssimokawastruct fw_bind * 702106790Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int32_t dest_hi, u_int32_t dest_lo) 703103285Sikob{ 704103285Sikob struct fw_bind *tfw; 705103285Sikob for(tfw = STAILQ_FIRST(&fc->binds) ; tfw != NULL ; 706103285Sikob tfw = STAILQ_NEXT(tfw, fclist)){ 707113584Ssimokawa if (tfw->act_type != FWACT_NULL && 708103285Sikob tfw->start_hi == dest_hi && 709103285Sikob tfw->start_lo <= dest_lo && 710103285Sikob (tfw->start_lo + tfw->addrlen) > dest_lo){ 711103285Sikob return(tfw); 712103285Sikob } 713103285Sikob } 714103285Sikob return(NULL); 715103285Sikob} 716106790Ssimokawa 717103285Sikob/* 718103285Sikob * To bind IEEE1394 address block to process. 719103285Sikob */ 720106790Ssimokawaint 721106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 722103285Sikob{ 723103285Sikob struct fw_bind *tfw, *tfw2 = NULL; 724103285Sikob int err = 0; 725103285Sikob tfw = STAILQ_FIRST(&fc->binds); 726103285Sikob if(tfw == NULL){ 727103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 728103285Sikob goto out; 729103285Sikob } 730103285Sikob if((tfw->start_hi > fwb->start_hi) || 731103285Sikob (tfw->start_hi == fwb->start_hi && 732103285Sikob (tfw->start_lo > (fwb->start_lo + fwb->addrlen)))){ 733103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 734103285Sikob goto out; 735103285Sikob } 736103285Sikob for(; tfw != NULL; tfw = STAILQ_NEXT(tfw, fclist)){ 737103285Sikob if((tfw->start_hi < fwb->start_hi) || 738103285Sikob (tfw->start_hi == fwb->start_hi && 739103285Sikob (tfw->start_lo + tfw->addrlen) < fwb->start_lo)){ 740103285Sikob tfw2 = STAILQ_NEXT(tfw, fclist); 741103285Sikob if(tfw2 == NULL) 742103285Sikob break; 743103285Sikob if((tfw2->start_hi > fwb->start_hi) || 744103285Sikob (tfw2->start_hi == fwb->start_hi && 745103285Sikob tfw2->start_lo > (fwb->start_lo + fwb->addrlen))){ 746103285Sikob break; 747103285Sikob }else{ 748103285Sikob err = EBUSY; 749103285Sikob goto out; 750103285Sikob } 751103285Sikob } 752103285Sikob } 753103285Sikob if(tfw != NULL){ 754103285Sikob STAILQ_INSERT_AFTER(&fc->binds, tfw, fwb, fclist); 755103285Sikob }else{ 756103285Sikob STAILQ_INSERT_TAIL(&fc->binds, fwb, fclist); 757103285Sikob } 758103285Sikobout: 759113584Ssimokawa if (!err && fwb->act_type == FWACT_CH) 760113584Ssimokawa STAILQ_INSERT_HEAD(&fc->ir[fwb->sub]->binds, fwb, chlist); 761103285Sikob return err; 762103285Sikob} 763103285Sikob 764103285Sikob/* 765103285Sikob * To free IEEE1394 address block. 766103285Sikob */ 767106790Ssimokawaint 768106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 769103285Sikob{ 770103285Sikob int s; 771113584Ssimokawa struct fw_xfer *xfer, *next; 772103285Sikob 773103285Sikob s = splfw(); 774103285Sikob /* shall we check the existance? */ 775103285Sikob STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 776113584Ssimokawa /* shall we do this? */ 777113584Ssimokawa for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) { 778113584Ssimokawa next = STAILQ_NEXT(xfer, link); 779113584Ssimokawa fw_xfer_free(xfer); 780113584Ssimokawa } 781113584Ssimokawa STAILQ_INIT(&fwb->xferlist); 782113584Ssimokawa 783103285Sikob splx(s); 784103285Sikob return 0; 785103285Sikob} 786103285Sikob 787103285Sikob/* 788103285Sikob * To free transaction label. 789103285Sikob */ 790106790Ssimokawastatic void 791106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 792103285Sikob{ 793103285Sikob struct tlabel *tl; 794103285Sikob int s = splfw(); 795103285Sikob 796103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 797103285Sikob tl = STAILQ_NEXT(tl, link)){ 798103285Sikob if(tl->xfer == xfer){ 799103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 800110195Ssimokawa free(tl, M_FW); 801103285Sikob splx(s); 802103285Sikob return; 803103285Sikob } 804103285Sikob } 805103285Sikob splx(s); 806103285Sikob return; 807103285Sikob} 808106790Ssimokawa 809103285Sikob/* 810103285Sikob * To obtain XFER structure by transaction label. 811103285Sikob */ 812106790Ssimokawastatic struct fw_xfer * 813106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 814103285Sikob{ 815103285Sikob struct fw_xfer *xfer; 816103285Sikob struct tlabel *tl; 817103285Sikob int s = splfw(); 818103285Sikob 819103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 820103285Sikob tl = STAILQ_NEXT(tl, link)){ 821103285Sikob if(tl->xfer->dst == node){ 822103285Sikob xfer = tl->xfer; 823103285Sikob splx(s); 824110577Ssimokawa if (firewire_debug > 2) 825110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 826103285Sikob return(xfer); 827103285Sikob } 828103285Sikob } 829110577Ssimokawa if (firewire_debug > 1) 830110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 831103285Sikob splx(s); 832103285Sikob return(NULL); 833103285Sikob} 834106790Ssimokawa 835103285Sikob/* 836103285Sikob * To allocate IEEE1394 XFER structure. 837103285Sikob */ 838106790Ssimokawastruct fw_xfer * 839110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 840103285Sikob{ 841103285Sikob struct fw_xfer *xfer; 842106790Ssimokawa 843110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 844106790Ssimokawa if (xfer == NULL) 845106790Ssimokawa return xfer; 846106790Ssimokawa 847110577Ssimokawa microtime(&xfer->tv); 848110269Ssimokawa xfer->malloc = type; 849106790Ssimokawa 850103285Sikob return xfer; 851103285Sikob} 852106790Ssimokawa 853113584Ssimokawastruct fw_xfer * 854113584Ssimokawafw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len) 855113584Ssimokawa{ 856113584Ssimokawa struct fw_xfer *xfer; 857113584Ssimokawa 858113584Ssimokawa xfer = fw_xfer_alloc(type); 859113584Ssimokawa xfer->send.len = send_len; 860113584Ssimokawa xfer->recv.len = recv_len; 861113584Ssimokawa if (xfer == NULL) 862113584Ssimokawa return(NULL); 863113584Ssimokawa if (send_len) { 864113584Ssimokawa xfer->send.buf = malloc(send_len, type, M_NOWAIT | M_ZERO); 865113584Ssimokawa if (xfer->send.buf == NULL) { 866113584Ssimokawa fw_xfer_free(xfer); 867113584Ssimokawa return(NULL); 868113584Ssimokawa } 869113584Ssimokawa } 870113584Ssimokawa if (recv_len) { 871113584Ssimokawa xfer->recv.buf = malloc(recv_len, type, M_NOWAIT); 872113584Ssimokawa if (xfer->recv.buf == NULL) { 873113584Ssimokawa if (xfer->send.buf != NULL) 874113584Ssimokawa free(xfer->send.buf, type); 875113584Ssimokawa fw_xfer_free(xfer); 876113584Ssimokawa return(NULL); 877113584Ssimokawa } 878113584Ssimokawa } 879113584Ssimokawa return(xfer); 880113584Ssimokawa} 881113584Ssimokawa 882103285Sikob/* 883103285Sikob * IEEE1394 XFER post process. 884103285Sikob */ 885103285Sikobvoid 886103285Sikobfw_xfer_done(struct fw_xfer *xfer) 887103285Sikob{ 888103285Sikob if (xfer->act.hand == NULL) 889103285Sikob return; 890103285Sikob 891103285Sikob if (xfer->fc->status != FWBUSRESET) 892103285Sikob xfer->act.hand(xfer); 893103285Sikob else { 894103285Sikob printf("fw_xfer_done: pending\n"); 895103285Sikob if (xfer->fc != NULL) 896103285Sikob STAILQ_INSERT_TAIL(&xfer->fc->pending, xfer, link); 897103285Sikob else 898103285Sikob panic("fw_xfer_done: why xfer->fc is NULL?"); 899103285Sikob } 900103285Sikob} 901103285Sikob 902106790Ssimokawavoid 903113584Ssimokawafw_xfer_unload(struct fw_xfer* xfer) 904103285Sikob{ 905103285Sikob int s; 906113584Ssimokawa 907103285Sikob if(xfer == NULL ) return; 908103285Sikob if(xfer->state == FWXF_INQ){ 909103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 910103285Sikob s = splfw(); 911103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 912103285Sikob xfer->q->queued --; 913103285Sikob splx(s); 914103285Sikob } 915113584Ssimokawa if (xfer->fc != NULL) { 916113584Ssimokawa#if 1 /* this could happen if we call fwohci_arcv() before fwohci_txd() */ 917113584Ssimokawa if(xfer->state == FWXF_START) 918113584Ssimokawa panic("fw_xfer_free FWXF_START\n"); 919103285Sikob#endif 920113584Ssimokawa fw_tl_free(xfer->fc, xfer); 921103285Sikob } 922113584Ssimokawa xfer->state = FWXF_INIT; 923113584Ssimokawa xfer->resp = 0; 924113584Ssimokawa xfer->retry = 0; 925113584Ssimokawa} 926113584Ssimokawa/* 927113584Ssimokawa * To free IEEE1394 XFER structure. 928113584Ssimokawa */ 929113584Ssimokawavoid 930113584Ssimokawafw_xfer_free( struct fw_xfer* xfer) 931113584Ssimokawa{ 932113584Ssimokawa if(xfer == NULL ) return; 933113584Ssimokawa fw_xfer_unload(xfer); 934103285Sikob if(xfer->send.buf != NULL){ 935113584Ssimokawa free(xfer->send.buf, xfer->malloc); 936103285Sikob } 937103285Sikob if(xfer->recv.buf != NULL){ 938113584Ssimokawa free(xfer->recv.buf, xfer->malloc); 939103285Sikob } 940110269Ssimokawa free(xfer, xfer->malloc); 941103285Sikob} 942103285Sikob 943103285Sikobstatic void 944110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 945103285Sikob{ 946103285Sikob#if 0 947110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 948103285Sikob xfer->state, xfer->resp); 949103285Sikob#endif 950103285Sikob fw_xfer_free(xfer); 951103285Sikob} 952103285Sikob 953103285Sikob/* 954103285Sikob * To configure PHY. 955103285Sikob */ 956103285Sikobstatic void 957103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 958103285Sikob{ 959103285Sikob struct fw_xfer *xfer; 960103285Sikob struct fw_pkt *fp; 961103285Sikob 962103285Sikob fc->status = FWBUSPHYCONF; 963103285Sikob 964113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 12, 0); 965113584Ssimokawa if (xfer == NULL) 966113584Ssimokawa return; 967103285Sikob xfer->fc = fc; 968103285Sikob xfer->retry_req = fw_asybusy; 969110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 970103285Sikob 971103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 972103285Sikob fp->mode.ld[1] = 0; 973103285Sikob if (root_node >= 0) 974113584Ssimokawa fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23; 975103285Sikob if (gap_count >= 0) 976113584Ssimokawa fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16; 977103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 978103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 979103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 980103285Sikob 981107653Ssimokawa if (firewire_debug) 982107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 983103285Sikob root_node, gap_count); 984103285Sikob fw_asyreq(fc, -1, xfer); 985103285Sikob} 986103285Sikob 987103285Sikob#if 0 988103285Sikob/* 989103285Sikob * Dump self ID. 990103285Sikob */ 991103285Sikobstatic void 992103285Sikobfw_print_sid(u_int32_t sid) 993103285Sikob{ 994103285Sikob union fw_self_id *s; 995103285Sikob s = (union fw_self_id *) &sid; 996103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 997103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 998103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 999103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1000103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1001103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1002103285Sikob} 1003103285Sikob#endif 1004103285Sikob 1005103285Sikob/* 1006103285Sikob * To receive self ID. 1007103285Sikob */ 1008113584Ssimokawavoid fw_sidrcv(struct firewire_comm* fc, u_int32_t *sid, u_int len) 1009103285Sikob{ 1010113584Ssimokawa u_int32_t *p; 1011103285Sikob union fw_self_id *self_id; 1012103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1013103285Sikob 1014103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1015103285Sikob fc->status = FWBUSINIT; 1016103285Sikob fc->max_node = fc->nodeid & 0x3f; 1017103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1018103285Sikob fc->status = FWBUSCYMELECT; 1019103285Sikob fc->topology_map->crc_len = 2; 1020103285Sikob fc->topology_map->generation ++; 1021103285Sikob fc->topology_map->self_id_count = 0; 1022103285Sikob fc->topology_map->node_count = 0; 1023103285Sikob fc->speed_map->generation ++; 1024103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1025103285Sikob self_id = &fc->topology_map->self_id[0]; 1026103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1027103285Sikob if (sid[1] != ~sid[0]) { 1028103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1029103285Sikob sid += 2; 1030103285Sikob continue; 1031103285Sikob } 1032103285Sikob *self_id = *((union fw_self_id *)sid); 1033103285Sikob fc->topology_map->crc_len++; 1034103285Sikob if(self_id->p0.sequel == 0){ 1035103285Sikob fc->topology_map->node_count ++; 1036103285Sikob c_port = 0; 1037103285Sikob#if 0 1038103285Sikob fw_print_sid(sid[0]); 1039103285Sikob#endif 1040103285Sikob node = self_id->p0.phy_id; 1041103285Sikob if(fc->max_node < node){ 1042103285Sikob fc->max_node = self_id->p0.phy_id; 1043103285Sikob } 1044103285Sikob /* XXX I'm not sure this is the right speed_map */ 1045103285Sikob fc->speed_map->speed[node][node] 1046103285Sikob = self_id->p0.phy_speed; 1047103285Sikob for (j = 0; j < node; j ++) { 1048103285Sikob fc->speed_map->speed[j][node] 1049103285Sikob = fc->speed_map->speed[node][j] 1050103285Sikob = min(fc->speed_map->speed[j][j], 1051103285Sikob self_id->p0.phy_speed); 1052103285Sikob } 1053103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1054103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1055103285Sikob fc->irm = self_id->p0.phy_id; 1056103285Sikob } 1057103285Sikob if(self_id->p0.port0 >= 0x2){ 1058103285Sikob c_port++; 1059103285Sikob } 1060103285Sikob if(self_id->p0.port1 >= 0x2){ 1061103285Sikob c_port++; 1062103285Sikob } 1063103285Sikob if(self_id->p0.port2 >= 0x2){ 1064103285Sikob c_port++; 1065103285Sikob } 1066103285Sikob } 1067103285Sikob if(c_port > 2){ 1068103285Sikob i_branch += (c_port - 2); 1069103285Sikob } 1070103285Sikob sid += 2; 1071103285Sikob self_id++; 1072103285Sikob fc->topology_map->self_id_count ++; 1073103285Sikob } 1074108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1075103285Sikob /* CRC */ 1076103285Sikob fc->topology_map->crc = fw_crc16( 1077103285Sikob (u_int32_t *)&fc->topology_map->generation, 1078103285Sikob fc->topology_map->crc_len * 4); 1079103285Sikob fc->speed_map->crc = fw_crc16( 1080103285Sikob (u_int32_t *)&fc->speed_map->generation, 1081103285Sikob fc->speed_map->crc_len * 4); 1082103285Sikob /* byteswap and copy to CSR */ 1083103285Sikob p = (u_int32_t *)fc->topology_map; 1084103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1085103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1086103285Sikob p = (u_int32_t *)fc->speed_map; 1087103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1088103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1089103285Sikob /* don't byte-swap u_int8_t array */ 1090103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1091103285Sikob 1092103285Sikob fc->max_hop = fc->max_node - i_branch; 1093103285Sikob printf(", maxhop <= %d", fc->max_hop); 1094103285Sikob 1095103285Sikob if(fc->irm == -1 ){ 1096103285Sikob printf(", Not found IRM capable node"); 1097103285Sikob }else{ 1098103285Sikob printf(", cable IRM = %d", fc->irm); 1099103285Sikob if (fc->irm == fc->nodeid) 1100110016Ssimokawa printf(" (me)"); 1101103285Sikob } 1102110016Ssimokawa printf("\n"); 1103103285Sikob 1104109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1105109736Ssimokawa if (fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)) { 1106103285Sikob fc->status = FWBUSMGRDONE; 1107103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1108109736Ssimokawa } else { 1109103285Sikob fc->status = FWBUSMGRELECT; 1110110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1111110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1112103285Sikob } 1113109736Ssimokawa } else { 1114103285Sikob fc->status = FWBUSMGRDONE; 1115109736Ssimokawa#if 0 1116108655Ssimokawa device_printf(fc->bdev, "BMR = %x\n", 1117108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1118109736Ssimokawa#endif 1119103285Sikob } 1120103285Sikob if(fc->irm == ((CSRARC(fc, NODE_IDS) >> 16 ) & 0x3f)){ 1121110072Ssimokawa /* I am BMGR */ 1122110072Ssimokawa fw_bmr(fc); 1123103285Sikob } 1124108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1125108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1126103285Sikob} 1127106790Ssimokawa 1128103285Sikob/* 1129103285Sikob * To probe devices on the IEEE1394 bus. 1130103285Sikob */ 1131106790Ssimokawastatic void 1132106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1133103285Sikob{ 1134103285Sikob int s; 1135103285Sikob struct fw_device *fwdev, *next; 1136103285Sikob 1137103285Sikob s = splfw(); 1138103285Sikob fc->status = FWBUSEXPLORE; 1139103285Sikob fc->retry_count = 0; 1140103285Sikob 1141103285Sikob/* 1142103285Sikob * Invalidate all devices, just after bus reset. Devices 1143103285Sikob * to be removed has not been seen longer time. 1144103285Sikob */ 1145110193Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1146110193Ssimokawa next = STAILQ_NEXT(fwdev, link); 1147110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1148103285Sikob fwdev->status = FWDEVINVAL; 1149103285Sikob fwdev->rcnt = 0; 1150110193Ssimokawa } else if(fwdev->rcnt < FW_MAXDEVRCNT) { 1151103285Sikob fwdev->rcnt ++; 1152110193Ssimokawa } else { 1153110193Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, link); 1154110195Ssimokawa free(fwdev, M_FW); 1155103285Sikob } 1156103285Sikob } 1157103285Sikob fc->ongonode = 0; 1158103285Sikob fc->ongoaddr = CSRROMOFF; 1159103285Sikob fc->ongodev = NULL; 1160103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1161103285Sikob fw_bus_explore(fc); 1162103285Sikob splx(s); 1163103285Sikob} 1164106790Ssimokawa 1165103285Sikob/* 1166103285Sikob * To collect device informations on the IEEE1394 bus. 1167103285Sikob */ 1168106790Ssimokawastatic void 1169106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1170103285Sikob{ 1171103285Sikob int err = 0; 1172110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1173103285Sikob u_int32_t addr; 1174103285Sikob struct fw_xfer *xfer; 1175103285Sikob struct fw_pkt *fp; 1176103285Sikob 1177103285Sikob if(fc->status != FWBUSEXPLORE) 1178103285Sikob return; 1179103285Sikob 1180103285Sikobloop: 1181103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1182103285Sikob 1183103285Sikob if(fc->ongonode > fc->max_node) goto done; 1184103285Sikob if(fc->ongonode >= 0x3f) goto done; 1185103285Sikob 1186103285Sikob /* check link */ 1187103285Sikob /* XXX we need to check phy_id first */ 1188103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1189110577Ssimokawa if (firewire_debug) 1190110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1191103285Sikob fc->ongonode++; 1192103285Sikob goto loop; 1193103285Sikob } 1194103285Sikob 1195103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1196103285Sikob fc->ongoeui.hi == 0xffffffff && 1197103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1198103285Sikob fc->ongoaddr = CSRROMOFF; 1199103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1200103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1201103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1202103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1203103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1204103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1205103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1206103285Sikob }else if(fc->ongodev == NULL){ 1207110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1208110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1209103285Sikob break; 1210103285Sikob if(fwdev != NULL){ 1211103285Sikob fwdev->dst = fc->ongonode; 1212103285Sikob fwdev->status = FWDEVATTACHED; 1213103285Sikob fc->ongonode++; 1214103285Sikob fc->ongoaddr = CSRROMOFF; 1215103285Sikob fc->ongodev = NULL; 1216103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1217103285Sikob goto loop; 1218103285Sikob } 1219110195Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, M_NOWAIT); 1220103285Sikob if(fwdev == NULL) 1221103285Sikob return; 1222106810Ssimokawa fwdev->fc = fc; 1223103285Sikob fwdev->rommax = 0; 1224103285Sikob fwdev->dst = fc->ongonode; 1225103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1226103285Sikob fwdev->status = FWDEVINIT; 1227103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1228103285Sikob 1229110179Ssimokawa pfwdev = NULL; 1230110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1231110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1232110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1233110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1234110179Ssimokawa break; 1235110179Ssimokawa pfwdev = tfwdev; 1236103285Sikob } 1237110179Ssimokawa if (pfwdev == NULL) 1238110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1239110179Ssimokawa else 1240110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1241103285Sikob 1242108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1243107653Ssimokawa linkspeed[fwdev->speed], 1244107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1245103285Sikob 1246103285Sikob fc->ongodev = fwdev; 1247103285Sikob fc->ongoaddr = CSRROMOFF; 1248103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1249103285Sikob }else{ 1250103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1251103285Sikob } 1252103285Sikob#if 0 1253103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1254103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1255103285Sikob fw_bus_explore_callback); 1256103285Sikob if(xfer == NULL) goto done; 1257103285Sikob#else 1258113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 16); 1259103285Sikob if(xfer == NULL){ 1260103285Sikob goto done; 1261103285Sikob } 1262103285Sikob xfer->spd = 0; 1263103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1264113584Ssimokawa fp->mode.rreqq.dest_hi = 0xffff; 1265103285Sikob fp->mode.rreqq.tlrt = 0; 1266103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1267103285Sikob fp->mode.rreqq.pri = 0; 1268103285Sikob fp->mode.rreqq.src = 0; 1269103285Sikob xfer->dst = FWLOCALBUS | fc->ongonode; 1270113584Ssimokawa fp->mode.rreqq.dst = xfer->dst; 1271113584Ssimokawa fp->mode.rreqq.dest_lo = addr; 1272103285Sikob xfer->act.hand = fw_bus_explore_callback; 1273103285Sikob 1274110577Ssimokawa if (firewire_debug) 1275110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1276110577Ssimokawa fc->ongonode, fc->ongoaddr); 1277103285Sikob err = fw_asyreq(fc, -1, xfer); 1278103285Sikob if(err){ 1279103285Sikob fw_xfer_free( xfer); 1280103285Sikob return; 1281103285Sikob } 1282103285Sikob#endif 1283103285Sikob return; 1284103285Sikobdone: 1285103285Sikob /* fw_attach_devs */ 1286103285Sikob fc->status = FWBUSEXPDONE; 1287107653Ssimokawa if (firewire_debug) 1288107653Ssimokawa printf("bus_explore done\n"); 1289103285Sikob fw_attach_dev(fc); 1290103285Sikob return; 1291103285Sikob 1292103285Sikob} 1293106790Ssimokawa 1294103285Sikob/* Portable Async. request read quad */ 1295106790Ssimokawastruct fw_xfer * 1296106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1297105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1298105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1299103285Sikob{ 1300103285Sikob struct fw_xfer *xfer; 1301103285Sikob struct fw_pkt *fp; 1302103285Sikob int err; 1303103285Sikob 1304113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 16); 1305113584Ssimokawa if (xfer == NULL) 1306103285Sikob return NULL; 1307113584Ssimokawa 1308103285Sikob xfer->spd = spd; /* XXX:min(spd, fc->spd) */ 1309103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1310113584Ssimokawa fp->mode.rreqq.dest_hi = addr_hi & 0xffff; 1311103285Sikob if(tl & FWP_TL_VALID){ 1312103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1313103285Sikob }else{ 1314103285Sikob fp->mode.rreqq.tlrt = 0; 1315103285Sikob } 1316103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1317103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1318103285Sikob fp->mode.rreqq.pri = 0; 1319103285Sikob fp->mode.rreqq.src = 0; 1320103285Sikob xfer->dst = addr_hi >> 16; 1321113584Ssimokawa fp->mode.rreqq.dst = xfer->dst; 1322113584Ssimokawa fp->mode.rreqq.dest_lo = addr_lo; 1323103285Sikob xfer->act.hand = hand; 1324103285Sikob 1325103285Sikob err = fw_asyreq(fc, -1, xfer); 1326103285Sikob if(err){ 1327103285Sikob fw_xfer_free( xfer); 1328103285Sikob return NULL; 1329103285Sikob } 1330103285Sikob return xfer; 1331103285Sikob} 1332106790Ssimokawa 1333103285Sikob/* 1334103285Sikob * Callback for the IEEE1394 bus information collection. 1335103285Sikob */ 1336106790Ssimokawastatic void 1337106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1338106790Ssimokawa{ 1339103285Sikob struct firewire_comm *fc; 1340103285Sikob struct fw_pkt *sfp,*rfp; 1341103285Sikob struct csrhdr *chdr; 1342103285Sikob struct csrdir *csrd; 1343103285Sikob struct csrreg *csrreg; 1344103285Sikob u_int32_t offset; 1345103285Sikob 1346103285Sikob 1347110577Ssimokawa if(xfer == NULL) { 1348110577Ssimokawa printf("xfer == NULL\n"); 1349110577Ssimokawa return; 1350110577Ssimokawa } 1351103285Sikob fc = xfer->fc; 1352110577Ssimokawa 1353110577Ssimokawa if (firewire_debug) 1354110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1355110577Ssimokawa fc->ongonode, fc->ongoaddr); 1356110577Ssimokawa 1357103285Sikob if(xfer->resp != 0){ 1358110577Ssimokawa printf("node%d: resp=%d addr=0x%x\n", 1359110577Ssimokawa fc->ongonode, xfer->resp, fc->ongoaddr); 1360103285Sikob fc->retry_count++; 1361103285Sikob goto nextnode; 1362103285Sikob } 1363103285Sikob 1364103285Sikob if(xfer->send.buf == NULL){ 1365110577Ssimokawa printf("node%d: send.buf=NULL addr=0x%x\n", 1366103285Sikob fc->ongonode, fc->ongoaddr); 1367103285Sikob fc->retry_count++; 1368103285Sikob goto nextnode; 1369103285Sikob } 1370103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 1371103285Sikob 1372103285Sikob if(xfer->recv.buf == NULL){ 1373110577Ssimokawa printf("node%d: recv.buf=NULL addr=0x%x\n", 1374103285Sikob fc->ongonode, fc->ongoaddr); 1375103285Sikob fc->retry_count++; 1376103285Sikob goto nextnode; 1377103285Sikob } 1378103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1379103285Sikob#if 0 1380103285Sikob { 1381103285Sikob u_int32_t *qld; 1382103285Sikob int i; 1383103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1384103285Sikob printf("len:%d\n", xfer->recv.len); 1385103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1386113584Ssimokawa printf("0x%08x ", rfp->mode.ld[i/4]); 1387103285Sikob if((i % 16) == 15) printf("\n"); 1388103285Sikob } 1389103285Sikob if((i % 16) != 15) printf("\n"); 1390103285Sikob } 1391103285Sikob#endif 1392103285Sikob if(fc->ongodev == NULL){ 1393113584Ssimokawa if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){ 1394103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1395103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1396110577Ssimokawa/* If CSR is minimal confinguration, more investgation is not needed. */ 1397103285Sikob if(chdr->info_len == 1){ 1398110577Ssimokawa if (firewire_debug) 1399110577Ssimokawa printf("node%d: minimal config\n", 1400110577Ssimokawa fc->ongonode); 1401103285Sikob goto nextnode; 1402103285Sikob }else{ 1403103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1404103285Sikob } 1405113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){ 1406103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1407103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1408113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){ 1409103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1410110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1411110577Ssimokawa if (firewire_debug) 1412110577Ssimokawa printf("node%d: eui64 is zero.\n", 1413110577Ssimokawa fc->ongonode); 1414103285Sikob goto nextnode; 1415110577Ssimokawa } 1416103285Sikob fc->ongoaddr = CSRROMOFF; 1417103285Sikob } 1418103285Sikob }else{ 1419103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1420103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1421103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1422103285Sikob } 1423103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1424103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1425103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1426103285Sikob offset = CSRROMOFF; 1427103285Sikob }else{ 1428103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1429103285Sikob offset = csrd->off; 1430103285Sikob } 1431103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1432103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1433103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1434103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1435103285Sikob if(csrd == NULL){ 1436103285Sikob goto nextnode; 1437103285Sikob }else{ 1438103285Sikob csrd->ongoaddr = fc->ongoaddr; 1439103285Sikob fc->ongoaddr += csrreg->val * 4; 1440103285Sikob csrd->off = fc->ongoaddr; 1441103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1442103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1443103285Sikob goto nextaddr; 1444103285Sikob } 1445103285Sikob } 1446103285Sikob } 1447103285Sikob fc->ongoaddr += 4; 1448103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1449103285Sikob (fc->ongodev->rommax < 0x414)){ 1450103285Sikob if(fc->ongodev->rommax <= 0x414){ 1451103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1452103285Sikob if(csrd == NULL) goto nextnode; 1453103285Sikob csrd->off = fc->ongoaddr; 1454103285Sikob csrd->ongoaddr = fc->ongoaddr; 1455103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1456103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1457103285Sikob } 1458103285Sikob goto nextaddr; 1459103285Sikob } 1460103285Sikob 1461103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1462103285Sikob if(csrd == NULL){ 1463103285Sikob goto nextnode; 1464103285Sikob }; 1465103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1466103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1467103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1468103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1469103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1470103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1471103285Sikob offset = CSRROMOFF; 1472103285Sikob }else{ 1473103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1474103285Sikob offset = csrd->off; 1475103285Sikob } 1476103285Sikob } 1477103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1478103285Sikob goto nextnode; 1479103285Sikob } 1480103285Sikob } 1481103285Sikobnextaddr: 1482103285Sikob fw_xfer_free( xfer); 1483103285Sikob fw_bus_explore(fc); 1484103285Sikob return; 1485103285Sikobnextnode: 1486103285Sikob fw_xfer_free( xfer); 1487103285Sikob fc->ongonode++; 1488103285Sikob/* housekeeping work space */ 1489103285Sikob fc->ongoaddr = CSRROMOFF; 1490103285Sikob fc->ongodev = NULL; 1491103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1492103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1493103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1494103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1495103285Sikob } 1496103285Sikob fw_bus_explore(fc); 1497103285Sikob return; 1498103285Sikob} 1499103285Sikob 1500103285Sikob/* 1501103285Sikob * To obtain CSR register values. 1502103285Sikob */ 1503106815Ssimokawau_int32_t 1504106815Ssimokawagetcsrdata(struct fw_device *fwdev, u_int8_t key) 1505103285Sikob{ 1506103285Sikob int i; 1507103285Sikob struct csrhdr *chdr; 1508103285Sikob struct csrreg *creg; 1509103285Sikob chdr = (struct csrhdr *)&fwdev->csrrom[0]; 1510103285Sikob for( i = chdr->info_len + 4; i <= fwdev->rommax - CSRROMOFF; i+=4){ 1511103285Sikob creg = (struct csrreg *)&fwdev->csrrom[i/4]; 1512103285Sikob if(creg->key == key){ 1513103285Sikob return (u_int32_t)creg->val; 1514103285Sikob } 1515103285Sikob } 1516103285Sikob return 0; 1517103285Sikob} 1518106815Ssimokawa 1519103285Sikob/* 1520103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1521103285Sikob */ 1522106815Ssimokawastatic void 1523106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1524103285Sikob{ 1525103285Sikob struct fw_device *fwdev; 1526103285Sikob struct fw_xfer *xfer; 1527103285Sikob int i, err; 1528103285Sikob device_t *devlistp; 1529103285Sikob int devcnt; 1530103285Sikob struct firewire_dev_comm *fdc; 1531108701Ssimokawa u_int32_t spec, ver; 1532103285Sikob 1533110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) { 1534103285Sikob if(fwdev->status == FWDEVINIT){ 1535108701Ssimokawa spec = getcsrdata(fwdev, CSRKEY_SPEC); 1536108701Ssimokawa if(spec == 0) 1537103285Sikob continue; 1538108701Ssimokawa ver = getcsrdata(fwdev, CSRKEY_VER); 1539108701Ssimokawa if(ver == 0) 1540103285Sikob continue; 1541103285Sikob fwdev->maxrec = (fwdev->csrrom[2] >> 12) & 0xf; 1542103285Sikob 1543108655Ssimokawa device_printf(fc->bdev, "Device "); 1544108701Ssimokawa switch(spec){ 1545103285Sikob case CSRVAL_ANSIT10: 1546108701Ssimokawa switch(ver){ 1547103285Sikob case CSRVAL_T10SBP2: 1548107653Ssimokawa printf("SBP-II"); 1549103285Sikob break; 1550103285Sikob default: 1551103285Sikob break; 1552103285Sikob } 1553103285Sikob break; 1554103285Sikob case CSRVAL_1394TA: 1555108701Ssimokawa switch(ver){ 1556103285Sikob case CSR_PROTAVC: 1557107653Ssimokawa printf("AV/C"); 1558103285Sikob break; 1559103285Sikob case CSR_PROTCAL: 1560107653Ssimokawa printf("CAL"); 1561103285Sikob break; 1562103285Sikob case CSR_PROTEHS: 1563107653Ssimokawa printf("EHS"); 1564103285Sikob break; 1565103285Sikob case CSR_PROTHAVI: 1566107653Ssimokawa printf("HAVi"); 1567103285Sikob break; 1568103285Sikob case CSR_PROTCAM104: 1569107653Ssimokawa printf("1394 Cam 1.04"); 1570103285Sikob break; 1571103285Sikob case CSR_PROTCAM120: 1572107653Ssimokawa printf("1394 Cam 1.20"); 1573103285Sikob break; 1574103285Sikob case CSR_PROTCAM130: 1575107653Ssimokawa printf("1394 Cam 1.30"); 1576103285Sikob break; 1577103285Sikob case CSR_PROTDPP: 1578107653Ssimokawa printf("1394 Direct print"); 1579103285Sikob break; 1580103285Sikob case CSR_PROTIICP: 1581107653Ssimokawa printf("Industrial & Instrument"); 1582103285Sikob break; 1583103285Sikob default: 1584107653Ssimokawa printf("unknown 1394TA"); 1585103285Sikob break; 1586103285Sikob } 1587103285Sikob break; 1588103285Sikob default: 1589107653Ssimokawa printf("unknown spec"); 1590103285Sikob break; 1591103285Sikob } 1592103285Sikob fwdev->status = FWDEVATTACHED; 1593103285Sikob printf("\n"); 1594103285Sikob } 1595103285Sikob } 1596108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1597103285Sikob if( err != 0 ) 1598103285Sikob return; 1599103285Sikob for( i = 0 ; i < devcnt ; i++){ 1600103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1601103285Sikob fdc = device_get_softc(devlistp[i]); 1602103285Sikob if (fdc->post_explore != NULL) 1603103285Sikob fdc->post_explore(fdc); 1604103285Sikob } 1605103285Sikob } 1606103285Sikob free(devlistp, M_TEMP); 1607103285Sikob 1608103285Sikob /* call pending handlers */ 1609103285Sikob i = 0; 1610103285Sikob while ((xfer = STAILQ_FIRST(&fc->pending))) { 1611103285Sikob STAILQ_REMOVE_HEAD(&fc->pending, link); 1612103285Sikob i++; 1613103285Sikob if (xfer->act.hand) 1614103285Sikob xfer->act.hand(xfer); 1615103285Sikob } 1616103285Sikob if (i > 0) 1617103285Sikob printf("fw_attach_dev: %d pending handlers called\n", i); 1618103285Sikob if (fc->retry_count > 0) { 1619111040Ssimokawa printf("probe failed for %d node\n", fc->retry_count); 1620111040Ssimokawa#if 0 1621110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1622110193Ssimokawa (void *)fc->ibr, (void *)fc); 1623111040Ssimokawa#endif 1624103285Sikob } 1625103285Sikob return; 1626103285Sikob} 1627106815Ssimokawa 1628103285Sikob/* 1629103285Sikob * To allocate uniq transaction label. 1630103285Sikob */ 1631106815Ssimokawastatic int 1632106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1633103285Sikob{ 1634103285Sikob u_int i; 1635103285Sikob struct tlabel *tl, *tmptl; 1636103285Sikob int s; 1637103285Sikob static u_int32_t label = 0; 1638103285Sikob 1639103285Sikob s = splfw(); 1640103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1641103285Sikob label = (label + 1) & 0x3f; 1642103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1643103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1644103285Sikob if(tmptl->xfer->dst == xfer->dst) break; 1645103285Sikob } 1646103285Sikob if(tmptl == NULL) { 1647110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1648103285Sikob if (tl == NULL) { 1649103285Sikob splx(s); 1650103285Sikob return (-1); 1651103285Sikob } 1652103285Sikob tl->xfer = xfer; 1653103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1654103285Sikob splx(s); 1655110577Ssimokawa if (firewire_debug > 1) 1656110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1657110577Ssimokawa xfer->dst, label); 1658103285Sikob return(label); 1659103285Sikob } 1660103285Sikob } 1661103285Sikob splx(s); 1662103285Sikob 1663103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1664103285Sikob return(-1); 1665103285Sikob} 1666106815Ssimokawa 1667113584Ssimokawastatic void 1668113584Ssimokawafw_rcv_copy(struct fw_xfer *xfer, struct iovec *vec, int nvec) 1669113584Ssimokawa{ 1670113584Ssimokawa char *p; 1671113584Ssimokawa int res, i, len; 1672113584Ssimokawa 1673113584Ssimokawa p = xfer->recv.buf; 1674113584Ssimokawa res = xfer->recv.len; 1675113584Ssimokawa for (i = 0; i < nvec; i++, vec++) { 1676113584Ssimokawa len = vec->iov_len; 1677113584Ssimokawa if (res < len) { 1678113584Ssimokawa printf("rcv buffer(%d) is %d bytes short.\n", 1679113584Ssimokawa xfer->recv.len, len - res); 1680113584Ssimokawa len = res; 1681113584Ssimokawa } 1682113584Ssimokawa bcopy(vec->iov_base, p, len); 1683113584Ssimokawa p += len; 1684113584Ssimokawa res -= len; 1685113584Ssimokawa if (res <= 0) 1686113584Ssimokawa break; 1687113584Ssimokawa } 1688113584Ssimokawa xfer->recv.len -= res; 1689113584Ssimokawa} 1690113584Ssimokawa 1691103285Sikob/* 1692103285Sikob * Generic packet receving process. 1693103285Sikob */ 1694106815Ssimokawavoid 1695113584Ssimokawafw_rcv(struct firewire_comm *fc, struct iovec *vec, int nvec, u_int sub, u_int spd) 1696103285Sikob{ 1697103285Sikob struct fw_pkt *fp, *resfp; 1698103285Sikob struct fw_xfer *xfer; 1699103285Sikob struct fw_bind *bind; 1700103285Sikob struct firewire_softc *sc; 1701113584Ssimokawa int tcode, s; 1702113584Ssimokawa int i, len, oldstate; 1703103285Sikob#if 0 1704103285Sikob { 1705103285Sikob u_int32_t *qld; 1706103285Sikob int i; 1707103285Sikob qld = (u_int32_t *)buf; 1708103285Sikob printf("spd %d len:%d\n", spd, len); 1709103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1710103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1711103285Sikob if((i % 16) == 15) printf("\n"); 1712103285Sikob } 1713103285Sikob if((i % 16) != 15) printf("\n"); 1714103285Sikob } 1715103285Sikob#endif 1716113584Ssimokawa fp = (struct fw_pkt *)vec[0].iov_base; 1717113584Ssimokawa tcode = fp->mode.common.tcode; 1718113584Ssimokawa#if 0 /* XXX this check is not valid for RRESQ and WREQQ */ 1719113584Ssimokawa if (vec[0].iov_len < fc->tcode[tcode].hdr_len) { 1720113584Ssimokawa#if __FreeBSD_version >= 500000 1721113584Ssimokawa printf("fw_rcv: iov_len(%zu) is less than" 1722113584Ssimokawa#else 1723113584Ssimokawa printf("fw_rcv: iov_len(%u) is less than" 1724113584Ssimokawa#endif 1725113584Ssimokawa " hdr_len(%d:tcode=%d)\n", vec[0].iov_len, 1726113584Ssimokawa fc->tcode[tcode].hdr_len, tcode); 1727113584Ssimokawa } 1728113584Ssimokawa#endif 1729113584Ssimokawa switch (tcode) { 1730103285Sikob case FWTCODE_WRES: 1731103285Sikob case FWTCODE_RRESQ: 1732103285Sikob case FWTCODE_RRESB: 1733103285Sikob case FWTCODE_LRES: 1734113584Ssimokawa xfer = fw_tl2xfer(fc, fp->mode.hdr.src, 1735103285Sikob fp->mode.hdr.tlrt >> 2); 1736103285Sikob if(xfer == NULL) { 1737103285Sikob printf("fw_rcv: unknown response " 1738110891Ssimokawa "tcode=%d src=0x%x tl=0x%x rt=%d data=0x%x\n", 1739113584Ssimokawa tcode, 1740113584Ssimokawa fp->mode.hdr.src, 1741103285Sikob fp->mode.hdr.tlrt >> 2, 1742103285Sikob fp->mode.hdr.tlrt & 3, 1743103285Sikob fp->mode.rresq.data); 1744103285Sikob#if 1 1745103285Sikob printf("try ad-hoc work around!!\n"); 1746113584Ssimokawa xfer = fw_tl2xfer(fc, fp->mode.hdr.src, 1747103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1748103285Sikob if (xfer == NULL) { 1749103285Sikob printf("no use...\n"); 1750103285Sikob goto err; 1751103285Sikob } 1752103285Sikob#else 1753103285Sikob goto err; 1754103285Sikob#endif 1755103285Sikob } 1756113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1757113584Ssimokawa xfer->resp = 0; 1758113584Ssimokawa /* make sure the packet is drained in AT queue */ 1759113584Ssimokawa oldstate = xfer->state; 1760113584Ssimokawa xfer->state = FWXF_RCVD; 1761113584Ssimokawa switch (oldstate) { 1762113584Ssimokawa case FWXF_SENT: 1763103285Sikob fw_xfer_done(xfer); 1764103285Sikob break; 1765113584Ssimokawa case FWXF_START: 1766113584Ssimokawa if (firewire_debug) 1767113584Ssimokawa printf("not sent yet\n"); 1768113584Ssimokawa break; 1769103285Sikob default: 1770113584Ssimokawa printf("unexpected state %d\n", xfer->state); 1771103285Sikob } 1772113584Ssimokawa return; 1773103285Sikob case FWTCODE_WREQQ: 1774103285Sikob case FWTCODE_WREQB: 1775103285Sikob case FWTCODE_RREQQ: 1776103285Sikob case FWTCODE_RREQB: 1777103285Sikob case FWTCODE_LREQ: 1778113584Ssimokawa bind = fw_bindlookup(fc, fp->mode.rreqq.dest_hi, 1779113584Ssimokawa fp->mode.rreqq.dest_lo); 1780103285Sikob if(bind == NULL){ 1781113584Ssimokawa printf("Unknown service addr 0x%08x:0x%08x tcode=%x src=0x%x data=%x\n", 1782113584Ssimokawa fp->mode.wreqq.dest_hi, 1783113584Ssimokawa fp->mode.wreqq.dest_lo, 1784113584Ssimokawa tcode, 1785113584Ssimokawa fp->mode.hdr.src, 1786113584Ssimokawa ntohl(fp->mode.wreqq.data)); 1787103285Sikob if (fc->status == FWBUSRESET) { 1788110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1789103285Sikob goto err; 1790103285Sikob } 1791113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 16, 0); 1792103285Sikob if(xfer == NULL){ 1793103285Sikob return; 1794103285Sikob } 1795103285Sikob xfer->spd = spd; 1796103285Sikob resfp = (struct fw_pkt *)xfer->send.buf; 1797113584Ssimokawa switch (tcode) { 1798103285Sikob case FWTCODE_WREQQ: 1799103285Sikob case FWTCODE_WREQB: 1800103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1801103285Sikob xfer->send.len = 12; 1802103285Sikob break; 1803103285Sikob case FWTCODE_RREQQ: 1804103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1805103285Sikob xfer->send.len = 16; 1806103285Sikob break; 1807103285Sikob case FWTCODE_RREQB: 1808103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1809103285Sikob xfer->send.len = 16; 1810103285Sikob break; 1811103285Sikob case FWTCODE_LREQ: 1812103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1813103285Sikob xfer->send.len = 16; 1814103285Sikob break; 1815103285Sikob } 1816103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1817103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1818103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1819103285Sikob resfp->mode.rresb.rtcode = 7; 1820103285Sikob resfp->mode.rresb.extcode = 0; 1821103285Sikob resfp->mode.rresb.len = 0; 1822103285Sikob/* 1823103285Sikob xfer->act.hand = fw_asy_callback; 1824103285Sikob*/ 1825103285Sikob xfer->act.hand = fw_xfer_free; 1826103285Sikob if(fw_asyreq(fc, -1, xfer)){ 1827103285Sikob fw_xfer_free( xfer); 1828103285Sikob return; 1829103285Sikob } 1830103285Sikob goto err; 1831103285Sikob } 1832113584Ssimokawa len = 0; 1833113584Ssimokawa for (i = 0; i < nvec; i ++) 1834113584Ssimokawa len += vec[i].iov_len; 1835113584Ssimokawa switch(bind->act_type){ 1836103285Sikob case FWACT_XFER: 1837113584Ssimokawa /* splfw()?? */ 1838113584Ssimokawa xfer = STAILQ_FIRST(&bind->xferlist); 1839113584Ssimokawa if (xfer == NULL) { 1840113584Ssimokawa printf("Discard a packet for this bind.\n"); 1841113584Ssimokawa goto err; 1842113584Ssimokawa } 1843113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1844113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1845103285Sikob xfer->spd = spd; 1846103285Sikob if (fc->status != FWBUSRESET) 1847103285Sikob xfer->act.hand(xfer); 1848103285Sikob else 1849103285Sikob STAILQ_INSERT_TAIL(&fc->pending, xfer, link); 1850103285Sikob return; 1851103285Sikob break; 1852103285Sikob case FWACT_CH: 1853113584Ssimokawa if(fc->ir[bind->sub]->queued >= 1854113584Ssimokawa fc->ir[bind->sub]->maxq){ 1855108655Ssimokawa device_printf(fc->bdev, 1856108655Ssimokawa "Discard a packet %x %d\n", 1857113584Ssimokawa bind->sub, 1858113584Ssimokawa fc->ir[bind->sub]->queued); 1859103285Sikob goto err; 1860103285Sikob } 1861113584Ssimokawa xfer = STAILQ_FIRST(&bind->xferlist); 1862113584Ssimokawa if (xfer == NULL) { 1863113584Ssimokawa printf("Discard packet for this bind\n"); 1864113584Ssimokawa goto err; 1865113584Ssimokawa } 1866113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1867113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1868103285Sikob xfer->spd = spd; 1869103285Sikob s = splfw(); 1870113584Ssimokawa fc->ir[bind->sub]->queued++; 1871113584Ssimokawa STAILQ_INSERT_TAIL(&fc->ir[bind->sub]->q, xfer, link); 1872103285Sikob splx(s); 1873103285Sikob 1874113584Ssimokawa wakeup((caddr_t)fc->ir[bind->sub]); 1875103285Sikob 1876103285Sikob return; 1877103285Sikob break; 1878103285Sikob default: 1879103285Sikob goto err; 1880103285Sikob break; 1881103285Sikob } 1882103285Sikob break; 1883103285Sikob case FWTCODE_STREAM: 1884103285Sikob { 1885103285Sikob struct fw_xferq *xferq; 1886103285Sikob 1887103285Sikob xferq = fc->ir[sub]; 1888103285Sikob#if 0 1889103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1890103285Sikob sub, len, off, spd); 1891103285Sikob#endif 1892103285Sikob if(xferq->queued >= xferq->maxq) { 1893103285Sikob printf("receive queue is full\n"); 1894103285Sikob goto err; 1895103285Sikob } 1896113584Ssimokawa /* XXX get xfer from xfer queue, we don't need copy for 1897113584Ssimokawa per packet mode */ 1898113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */ 1899113584Ssimokawa vec[0].iov_len); 1900103285Sikob if(xfer == NULL) goto err; 1901113584Ssimokawa fw_rcv_copy(xfer, vec, nvec); 1902103285Sikob xfer->spd = spd; 1903103285Sikob s = splfw(); 1904103285Sikob xferq->queued++; 1905103285Sikob STAILQ_INSERT_TAIL(&xferq->q, xfer, link); 1906103285Sikob splx(s); 1907103285Sikob sc = device_get_softc(fc->bdev); 1908103285Sikob#if __FreeBSD_version >= 500000 1909103285Sikob if (SEL_WAITING(&xferq->rsel)) 1910103285Sikob#else 1911103285Sikob if (&xferq->rsel.si_pid != 0) 1912103285Sikob#endif 1913103285Sikob selwakeup(&xferq->rsel); 1914103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1915103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1916103285Sikob wakeup((caddr_t)xferq); 1917103285Sikob } 1918103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1919103285Sikob xferq->hand(xferq); 1920103285Sikob } 1921103285Sikob return; 1922103285Sikob break; 1923103285Sikob } 1924103285Sikob default: 1925113584Ssimokawa printf("fw_rcv: unknow tcode %d\n", tcode); 1926103285Sikob break; 1927103285Sikob } 1928103285Sikoberr: 1929113584Ssimokawa return; 1930103285Sikob} 1931106815Ssimokawa 1932103285Sikob/* 1933103285Sikob * Post process for Bus Manager election process. 1934103285Sikob */ 1935103285Sikobstatic void 1936103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1937103285Sikob{ 1938109422Ssimokawa struct fw_pkt *rfp; 1939103285Sikob struct firewire_comm *fc; 1940109422Ssimokawa int bmr; 1941103285Sikob 1942109422Ssimokawa if (xfer == NULL) 1943109422Ssimokawa return; 1944103285Sikob fc = xfer->fc; 1945109422Ssimokawa if (xfer->resp != 0) 1946103285Sikob goto error; 1947109422Ssimokawa if (xfer->send.buf == NULL) 1948103285Sikob goto error; 1949109422Ssimokawa if (xfer->recv.buf == NULL) 1950103285Sikob goto error; 1951103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 1952109422Ssimokawa if (rfp->mode.lres.rtcode != FWRCODE_COMPLETE) 1953109422Ssimokawa goto error; 1954109422Ssimokawa 1955109422Ssimokawa bmr = ntohl(rfp->mode.lres.payload[0]); 1956109422Ssimokawa if (bmr == 0x3f) 1957109422Ssimokawa bmr = fc->nodeid; 1958109422Ssimokawa 1959109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1960108655Ssimokawa device_printf(fc->bdev, "new bus manager %d ", 1961108655Ssimokawa CSRARC(fc, BUS_MGR_ID)); 1962109422Ssimokawa if(bmr == fc->nodeid){ 1963103285Sikob printf("(me)\n"); 1964110072Ssimokawa fw_bmr(fc); 1965103285Sikob }else{ 1966103285Sikob printf("\n"); 1967103285Sikob } 1968103285Sikoberror: 1969103285Sikob fw_xfer_free(xfer); 1970103285Sikob} 1971106815Ssimokawa 1972113584Ssimokawa 1973103285Sikob/* 1974103285Sikob * To candidate Bus Manager election process. 1975103285Sikob */ 1976110270Ssimokawastatic void 1977106815Ssimokawafw_try_bmr(void *arg) 1978103285Sikob{ 1979103285Sikob struct fw_xfer *xfer; 1980103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 1981103285Sikob struct fw_pkt *fp; 1982103285Sikob int err = 0; 1983103285Sikob 1984113584Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 24, 20); 1985103285Sikob if(xfer == NULL){ 1986103285Sikob return; 1987103285Sikob } 1988103285Sikob xfer->spd = 0; 1989103285Sikob fc->status = FWBUSMGRELECT; 1990103285Sikob 1991103285Sikob fp = (struct fw_pkt *)xfer->send.buf; 1992113584Ssimokawa fp->mode.lreq.dest_hi = 0xffff; 1993103285Sikob fp->mode.lreq.tlrt = 0; 1994103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 1995103285Sikob fp->mode.lreq.pri = 0; 1996103285Sikob fp->mode.lreq.src = 0; 1997113584Ssimokawa fp->mode.lreq.len = 8; 1998113584Ssimokawa fp->mode.lreq.extcode = FW_LREQ_CMPSWAP; 1999103285Sikob xfer->dst = FWLOCALBUS | fc->irm; 2000113584Ssimokawa fp->mode.lreq.dst = xfer->dst; 2001113584Ssimokawa fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID; 2002109422Ssimokawa fp->mode.lreq.payload[0] = htonl(0x3f); 2003109422Ssimokawa fp->mode.lreq.payload[1] = htonl(fc->nodeid); 2004103285Sikob xfer->act.hand = fw_try_bmr_callback; 2005103285Sikob 2006103285Sikob err = fw_asyreq(fc, -1, xfer); 2007103285Sikob if(err){ 2008103285Sikob fw_xfer_free( xfer); 2009103285Sikob return; 2010103285Sikob } 2011103285Sikob return; 2012103285Sikob} 2013106543Ssimokawa 2014106543Ssimokawa#ifdef FW_VMACCESS 2015103285Sikob/* 2016103285Sikob * Software implementation for physical memory block access. 2017103285Sikob * XXX:Too slow, usef for debug purpose only. 2018103285Sikob */ 2019106815Ssimokawastatic void 2020106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2021103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2022113584Ssimokawa u_int32_t *ld = (u_int32_t *)xfer->recv.buf; 2023103285Sikob 2024113584Ssimokawa printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n", 2025113584Ssimokawa xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2026103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2027103285Sikob if(xfer->resp != 0){ 2028103285Sikob fw_xfer_free( xfer); 2029103285Sikob return; 2030103285Sikob } 2031103285Sikob if(xfer->recv.buf == NULL){ 2032103285Sikob fw_xfer_free( xfer); 2033103285Sikob return; 2034103285Sikob } 2035103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2036103285Sikob switch(rfp->mode.hdr.tcode){ 2037103285Sikob /* XXX need fix for 64bit arch */ 2038103285Sikob case FWTCODE_WREQB: 2039110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2040103285Sikob xfer->send.len = 12; 2041103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2042103285Sikob bcopy(rfp->mode.wreqb.payload, 2043103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2044103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2045103285Sikob sfp->mode.wres.rtcode = 0; 2046103285Sikob break; 2047103285Sikob case FWTCODE_WREQQ: 2048110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2049103285Sikob xfer->send.len = 12; 2050103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2051103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2052103285Sikob sfp->mode.wres.rtcode = 0; 2053103285Sikob break; 2054103285Sikob case FWTCODE_RREQB: 2055110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2056103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2057103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2058103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2059103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2060103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2061103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2062103285Sikob sfp->mode.rresb.rtcode = 0; 2063103285Sikob sfp->mode.rresb.extcode = 0; 2064103285Sikob break; 2065103285Sikob case FWTCODE_RREQQ: 2066110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2067103285Sikob xfer->send.len = 16; 2068103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2069103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2070103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2071103285Sikob sfp->mode.rresb.rtcode = 0; 2072103285Sikob break; 2073103285Sikob default: 2074103285Sikob fw_xfer_free( xfer); 2075103285Sikob return; 2076103285Sikob } 2077103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2078103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2079103285Sikob xfer->act.hand = fw_xfer_free; 2080103285Sikob xfer->retry_req = fw_asybusy; 2081103285Sikob 2082103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2083103285Sikob sfp->mode.hdr.pri = 0; 2084103285Sikob 2085103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2086103285Sikob/**/ 2087103285Sikob return; 2088103285Sikob} 2089106543Ssimokawa#endif 2090106543Ssimokawa 2091103285Sikob/* 2092103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2093103285Sikob */ 2094106815Ssimokawau_int16_t 2095106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2096103285Sikob u_int32_t i, sum, crc = 0; 2097103285Sikob int shift; 2098103285Sikob len = (len + 3) & ~3; 2099103285Sikob for(i = 0 ; i < len ; i+= 4){ 2100103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2101103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2102103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2103103285Sikob } 2104103285Sikob crc &= 0xffff; 2105103285Sikob } 2106103285Sikob return((u_int16_t) crc); 2107103285Sikob} 2108106815Ssimokawa 2109110270Ssimokawastatic int 2110110072Ssimokawafw_bmr(struct firewire_comm *fc) 2111110072Ssimokawa{ 2112110072Ssimokawa struct fw_device fwdev; 2113113584Ssimokawa union fw_self_id *self_id; 2114110072Ssimokawa int cmstr; 2115110072Ssimokawa 2116113584Ssimokawa /* Check to see if the current root node is cycle master capable */ 2117113584Ssimokawa self_id = &fc->topology_map->self_id[fc->max_node]; 2118113584Ssimokawa if (fc->max_node > 0) { 2119113584Ssimokawa if (self_id->p0.contender) 2120113584Ssimokawa cmstr = fc->max_node; 2121113584Ssimokawa else 2122113584Ssimokawa /* XXX shall we be cycle master? */ 2123113584Ssimokawa cmstr = fc->nodeid; 2124113584Ssimokawa /* XXX bus reset? */ 2125113584Ssimokawa } else 2126113584Ssimokawa cmstr = -1; 2127110072Ssimokawa /* If I am the bus manager, optimize gapcount */ 2128113584Ssimokawa if(fc->max_hop <= MAX_GAPHOP ) 2129113584Ssimokawa fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]); 2130110072Ssimokawa /* If we are the cycle master, nothing to do */ 2131113584Ssimokawa if (cmstr == fc->nodeid || cmstr == -1) 2132110072Ssimokawa return 0; 2133110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2134110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2135110072Ssimokawa fwdev.fc = fc; 2136110072Ssimokawa fwdev.dst = cmstr; 2137110072Ssimokawa fwdev.speed = 0; 2138110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2139110072Ssimokawa fwdev.status = FWDEVINIT; 2140110072Ssimokawa /* Set cmstr bit on the cycle master */ 2141110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2142112524Ssimokawa 0xffff, 0xf0000000 | STATE_SET, htonl(1 << 16), 2143110072Ssimokawa fw_asy_callback_free); 2144110072Ssimokawa 2145110072Ssimokawa return 0; 2146110072Ssimokawa} 2147110072Ssimokawa 2148103285SikobDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,0,0); 2149103285SikobMODULE_VERSION(firewire, 1); 2150