firewire.c revision 171457
1139749Simp/*- 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 171457 2007-07-15 13:00:29Z simokawa $ 35103285Sikob * 36103285Sikob */ 37103285Sikob 38103285Sikob#include <sys/param.h> 39103285Sikob#include <sys/systm.h> 40103285Sikob#include <sys/types.h> 41103285Sikob 42103285Sikob#include <sys/kernel.h> 43129879Sphk#include <sys/module.h> 44103285Sikob#include <sys/malloc.h> 45103285Sikob#include <sys/conf.h> 46103285Sikob#include <sys/sysctl.h> 47169806Ssimokawa#include <sys/kthread.h> 48103285Sikob 49170374Ssimokawa#include <sys/kdb.h> 50170374Ssimokawa 51127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 52117067Ssimokawa#include <machine/clock.h> /* for DELAY() */ 53117067Ssimokawa#endif 54103285Sikob 55103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 56113584Ssimokawa#include <machine/bus.h> 57103285Sikob 58127468Ssimokawa#ifdef __DragonFly__ 59127468Ssimokawa#include "firewire.h" 60127468Ssimokawa#include "firewirereg.h" 61127468Ssimokawa#include "fwmem.h" 62127468Ssimokawa#include "iec13213.h" 63127468Ssimokawa#include "iec68113.h" 64127468Ssimokawa#else 65103285Sikob#include <dev/firewire/firewire.h> 66103285Sikob#include <dev/firewire/firewirereg.h> 67110072Ssimokawa#include <dev/firewire/fwmem.h> 68103285Sikob#include <dev/firewire/iec13213.h> 69103285Sikob#include <dev/firewire/iec68113.h> 70127468Ssimokawa#endif 71103285Sikob 72116376Ssimokawastruct crom_src_buf { 73116376Ssimokawa struct crom_src src; 74116376Ssimokawa struct crom_chunk root; 75116376Ssimokawa struct crom_chunk vendor; 76116376Ssimokawa struct crom_chunk hw; 77116376Ssimokawa}; 78116376Ssimokawa 79120850Ssimokawaint firewire_debug=0, try_bmr=1, hold_count=3; 80103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 81108281Ssimokawa "FireWire driver debug flag"); 82109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 83109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 84109736Ssimokawa "Try to be a bus manager"); 85120850SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, hold_count, CTLFLAG_RW, &hold_count, 0, 86120850Ssimokawa "Number of count of bus resets for removing lost device information"); 87103285Sikob 88110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 89110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 90110195Ssimokawa 91103285Sikob#define FW_MAXASYRTY 4 92103285Sikob 93103285Sikobdevclass_t firewire_devclass; 94103285Sikob 95125238Ssimokawastatic void firewire_identify (driver_t *, device_t); 96125238Ssimokawastatic int firewire_probe (device_t); 97124169Ssimokawastatic int firewire_attach (device_t); 98124169Ssimokawastatic int firewire_detach (device_t); 99124169Ssimokawastatic int firewire_resume (device_t); 100170374Ssimokawastatic void firewire_xfer_timeout(void *, int); 101103285Sikob#if 0 102124169Ssimokawastatic int firewire_shutdown (device_t); 103103285Sikob#endif 104124169Ssimokawastatic device_t firewire_add_child (device_t, int, const char *, int); 105124169Ssimokawastatic void fw_try_bmr (void *); 106124169Ssimokawastatic void fw_try_bmr_callback (struct fw_xfer *); 107124169Ssimokawastatic void fw_asystart (struct fw_xfer *); 108124169Ssimokawastatic int fw_get_tlabel (struct firewire_comm *, struct fw_xfer *); 109124169Ssimokawastatic void fw_bus_probe (struct firewire_comm *); 110124169Ssimokawastatic void fw_attach_dev (struct firewire_comm *); 111169806Ssimokawastatic void fw_bus_probe_thread(void *); 112106543Ssimokawa#ifdef FW_VMACCESS 113124169Ssimokawastatic void fw_vmaccess (struct fw_xfer *); 114106543Ssimokawa#endif 115124169Ssimokawastatic int fw_bmr (struct firewire_comm *); 116170374Ssimokawastatic void fw_dump_hdr(struct fw_pkt *, char *); 117103285Sikob 118103285Sikobstatic device_method_t firewire_methods[] = { 119103285Sikob /* Device interface */ 120125238Ssimokawa DEVMETHOD(device_identify, firewire_identify), 121125238Ssimokawa DEVMETHOD(device_probe, firewire_probe), 122103285Sikob DEVMETHOD(device_attach, firewire_attach), 123103285Sikob DEVMETHOD(device_detach, firewire_detach), 124108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 125116978Ssimokawa DEVMETHOD(device_resume, firewire_resume), 126103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 127103285Sikob 128103285Sikob /* Bus interface */ 129103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 130103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 131103285Sikob 132103285Sikob { 0, 0 } 133103285Sikob}; 134124251Ssimokawachar *linkspeed[] = { 135124251Ssimokawa "S100", "S200", "S400", "S800", 136124251Ssimokawa "S1600", "S3200", "undef", "undef" 137124251Ssimokawa}; 138103285Sikob 139124251Ssimokawastatic char *tcode_str[] = { 140124251Ssimokawa "WREQQ", "WREQB", "WRES", "undef", 141124251Ssimokawa "RREQQ", "RREQB", "RRESQ", "RRESB", 142124251Ssimokawa "CYCS", "LREQ", "STREAM", "LRES", 143124251Ssimokawa "undef", "undef", "PHY", "undef" 144124251Ssimokawa}; 145124251Ssimokawa 146114909Ssimokawa/* IEEE-1394a Table C-2 Gap count as a function of hops*/ 147114909Ssimokawa#define MAX_GAPHOP 15 148114909Ssimokawau_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18, 149114909Ssimokawa 21, 24, 26, 29, 32, 35, 37, 40}; 150106813Ssimokawa 151103285Sikobstatic driver_t firewire_driver = { 152103285Sikob "firewire", 153103285Sikob firewire_methods, 154103285Sikob sizeof(struct firewire_softc), 155103285Sikob}; 156103285Sikob 157103285Sikob/* 158110072Ssimokawa * Lookup fwdev by node id. 159103285Sikob */ 160106810Ssimokawastruct fw_device * 161110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 162103285Sikob{ 163103285Sikob struct fw_device *fwdev; 164110072Ssimokawa int s; 165110072Ssimokawa 166110072Ssimokawa s = splfw(); 167110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 168120660Ssimokawa if (fwdev->dst == dst && fwdev->status != FWDEVINVAL) 169103285Sikob break; 170110072Ssimokawa splx(s); 171110072Ssimokawa 172106810Ssimokawa return fwdev; 173103285Sikob} 174106813Ssimokawa 175103285Sikob/* 176110072Ssimokawa * Lookup fwdev by EUI64. 177110072Ssimokawa */ 178110072Ssimokawastruct fw_device * 179110582Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 180110072Ssimokawa{ 181110072Ssimokawa struct fw_device *fwdev; 182110072Ssimokawa int s; 183110072Ssimokawa 184110072Ssimokawa s = splfw(); 185170374Ssimokawa FW_GLOCK(fc); 186110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 187110582Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 188110072Ssimokawa break; 189170374Ssimokawa FW_GUNLOCK(fc); 190110072Ssimokawa splx(s); 191110072Ssimokawa 192110072Ssimokawa if(fwdev == NULL) return NULL; 193110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 194110072Ssimokawa return fwdev; 195110072Ssimokawa} 196110072Ssimokawa 197110072Ssimokawa/* 198103285Sikob * Async. request procedure for userland application. 199103285Sikob */ 200103285Sikobint 201103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 202103285Sikob{ 203103285Sikob int err = 0; 204103285Sikob struct fw_xferq *xferq; 205170374Ssimokawa int len; 206103285Sikob struct fw_pkt *fp; 207103285Sikob int tcode; 208103285Sikob struct tcode_info *info; 209103285Sikob 210103285Sikob if(xfer == NULL) return EINVAL; 211167632Ssimokawa if(xfer->hand == NULL){ 212167632Ssimokawa printf("hand == NULL\n"); 213103285Sikob return EINVAL; 214103285Sikob } 215120660Ssimokawa fp = &xfer->send.hdr; 216103285Sikob 217103285Sikob tcode = fp->mode.common.tcode & 0xf; 218103285Sikob info = &fc->tcode[tcode]; 219103285Sikob if (info->flag == 0) { 220124251Ssimokawa printf("invalid tcode=%x\n", tcode); 221103285Sikob return EINVAL; 222103285Sikob } 223170425Ssimokawa 224170425Ssimokawa /* XXX allow bus explore packets only after bus rest */ 225170425Ssimokawa if ((fc->status < FWBUSEXPLORE) && 226170425Ssimokawa ((tcode != FWTCODE_RREQQ) || (fp->mode.rreqq.dest_hi != 0xffff) || 227170425Ssimokawa (fp->mode.rreqq.dest_lo < 0xf0000000) || 228170425Ssimokawa (fp->mode.rreqq.dest_lo >= 0xf0001000))) { 229170425Ssimokawa xfer->resp = EAGAIN; 230170425Ssimokawa xfer->flag = FWXF_BUSY; 231170425Ssimokawa return (EAGAIN); 232170425Ssimokawa } 233170425Ssimokawa 234103285Sikob if (info->flag & FWTI_REQ) 235103285Sikob xferq = fc->atq; 236103285Sikob else 237103285Sikob xferq = fc->ats; 238103285Sikob len = info->hdr_len; 239120660Ssimokawa if (xfer->send.pay_len > MAXREC(fc->maxrec)) { 240120660Ssimokawa printf("send.pay_len > maxrec\n"); 241120660Ssimokawa return EINVAL; 242120660Ssimokawa } 243103285Sikob if (info->flag & FWTI_BLOCK_STR) 244120660Ssimokawa len = fp->mode.stream.len; 245103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 246120660Ssimokawa len = fp->mode.rresb.len; 247120660Ssimokawa else 248120660Ssimokawa len = 0; 249120660Ssimokawa if (len != xfer->send.pay_len){ 250124251Ssimokawa printf("len(%d) != send.pay_len(%d) %s(%x)\n", 251124251Ssimokawa len, xfer->send.pay_len, tcode_str[tcode], tcode); 252103285Sikob return EINVAL; 253103285Sikob } 254106790Ssimokawa 255103285Sikob if(xferq->start == NULL){ 256103285Sikob printf("xferq->start == NULL\n"); 257103285Sikob return EINVAL; 258103285Sikob } 259103285Sikob if(!(xferq->queued < xferq->maxq)){ 260108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 261108655Ssimokawa xferq->queued); 262170374Ssimokawa return EAGAIN; 263103285Sikob } 264103285Sikob 265170374Ssimokawa xfer->tl = -1; 266103285Sikob if (info->flag & FWTI_TLABEL) { 267170374Ssimokawa if (fw_get_tlabel(fc, xfer) < 0) 268130460Sdfr return EAGAIN; 269103285Sikob } 270103285Sikob 271103285Sikob xfer->resp = 0; 272103285Sikob xfer->fc = fc; 273103285Sikob xfer->q = xferq; 274103285Sikob 275103285Sikob fw_asystart(xfer); 276103285Sikob return err; 277103285Sikob} 278103285Sikob/* 279103285Sikob * Wakeup blocked process. 280103285Sikob */ 281103285Sikobvoid 282170374Ssimokawafw_xferwake(struct fw_xfer *xfer) 283170374Ssimokawa{ 284170374Ssimokawa struct mtx *lock = &xfer->fc->wait_lock; 285170374Ssimokawa 286170374Ssimokawa mtx_lock(lock); 287170374Ssimokawa xfer->flag |= FWXF_WAKE; 288170374Ssimokawa mtx_unlock(lock); 289170374Ssimokawa 290103285Sikob wakeup(xfer); 291103285Sikob return; 292103285Sikob} 293103285Sikob 294170374Ssimokawaint 295170374Ssimokawafw_xferwait(struct fw_xfer *xfer) 296170374Ssimokawa{ 297170374Ssimokawa struct mtx *lock = &xfer->fc->wait_lock; 298170374Ssimokawa int err = 0; 299170374Ssimokawa 300170374Ssimokawa mtx_lock(lock); 301170374Ssimokawa if ((xfer->flag & FWXF_WAKE) == 0) 302170374Ssimokawa err = msleep((void *)xfer, lock, PWAIT|PCATCH, "fw_xferwait", 0); 303170374Ssimokawa mtx_unlock(lock); 304170374Ssimokawa 305170374Ssimokawa return (err); 306170374Ssimokawa} 307170374Ssimokawa 308103285Sikob/* 309103285Sikob * Async. request with given xfer structure. 310103285Sikob */ 311106790Ssimokawastatic void 312106790Ssimokawafw_asystart(struct fw_xfer *xfer) 313106790Ssimokawa{ 314103285Sikob struct firewire_comm *fc = xfer->fc; 315103285Sikob int s; 316170374Ssimokawa s = splfw(); 317170374Ssimokawa /* Protect from interrupt/timeout */ 318170374Ssimokawa FW_GLOCK(fc); 319170374Ssimokawa xfer->flag = FWXF_INQ; 320103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 321170374Ssimokawa#if 0 322103285Sikob xfer->q->queued ++; 323170374Ssimokawa#endif 324170374Ssimokawa FW_GUNLOCK(fc); 325103285Sikob splx(s); 326103285Sikob /* XXX just queue for mbuf */ 327103285Sikob if (xfer->mbuf == NULL) 328103285Sikob xfer->q->start(fc); 329103285Sikob return; 330103285Sikob} 331106790Ssimokawa 332125238Ssimokawastatic void 333125238Ssimokawafirewire_identify(driver_t *driver, device_t parent) 334125238Ssimokawa{ 335125238Ssimokawa BUS_ADD_CHILD(parent, 0, "firewire", -1); 336125238Ssimokawa} 337125238Ssimokawa 338103285Sikobstatic int 339125238Ssimokawafirewire_probe(device_t dev) 340103285Sikob{ 341108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 342125238Ssimokawa return (0); 343103285Sikob} 344106790Ssimokawa 345110577Ssimokawastatic void 346170374Ssimokawafirewire_xfer_timeout(void *arg, int pending) 347110577Ssimokawa{ 348170374Ssimokawa struct firewire_comm *fc = (struct firewire_comm *)arg; 349170374Ssimokawa struct fw_xfer *xfer, *txfer; 350110577Ssimokawa struct timeval tv; 351110577Ssimokawa struct timeval split_timeout; 352170374Ssimokawa STAILQ_HEAD(, fw_xfer) xfer_timeout; 353111040Ssimokawa int i, s; 354110577Ssimokawa 355120660Ssimokawa split_timeout.tv_sec = 0; 356120660Ssimokawa split_timeout.tv_usec = 200 * 1000; /* 200 msec */ 357110577Ssimokawa 358110577Ssimokawa microtime(&tv); 359110577Ssimokawa timevalsub(&tv, &split_timeout); 360170374Ssimokawa STAILQ_INIT(&xfer_timeout); 361110577Ssimokawa 362111040Ssimokawa s = splfw(); 363170374Ssimokawa FW_GLOCK(fc); 364110577Ssimokawa for (i = 0; i < 0x40; i ++) { 365169119Ssimokawa while ((xfer = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 366170427Ssimokawa if ((xfer->flag & FWXF_SENT) == 0) 367170427Ssimokawa /* not sent yet */ 368170427Ssimokawa break; 369110577Ssimokawa if (timevalcmp(&xfer->tv, &tv, >)) 370110577Ssimokawa /* the rests are newer than this */ 371110577Ssimokawa break; 372110577Ssimokawa device_printf(fc->bdev, 373170374Ssimokawa "split transaction timeout: " 374170374Ssimokawa "tl=0x%x flag=0x%02x\n", i, xfer->flag); 375170374Ssimokawa fw_dump_hdr(&xfer->send.hdr, "send"); 376110577Ssimokawa xfer->resp = ETIMEDOUT; 377170374Ssimokawa STAILQ_REMOVE_HEAD(&fc->tlabels[i], tlabel); 378170374Ssimokawa STAILQ_INSERT_TAIL(&xfer_timeout, xfer, tlabel); 379110577Ssimokawa } 380110577Ssimokawa } 381170374Ssimokawa FW_GUNLOCK(fc); 382111040Ssimokawa splx(s); 383170374Ssimokawa fc->timeout(fc); 384170374Ssimokawa 385170374Ssimokawa STAILQ_FOREACH_SAFE(xfer, &xfer_timeout, tlabel, txfer) 386170374Ssimokawa xfer->hand(xfer); 387110577Ssimokawa} 388110577Ssimokawa 389170374Ssimokawa#define WATCHDOG_HZ 10 390110577Ssimokawastatic void 391110577Ssimokawafirewire_watchdog(void *arg) 392110577Ssimokawa{ 393110577Ssimokawa struct firewire_comm *fc; 394170374Ssimokawa static int watchdog_clock = 0; 395110577Ssimokawa 396110577Ssimokawa fc = (struct firewire_comm *)arg; 397121463Ssimokawa 398121463Ssimokawa /* 399121463Ssimokawa * At boot stage, the device interrupt is disabled and 400121463Ssimokawa * We encounter a timeout easily. To avoid this, 401121463Ssimokawa * ignore clock interrupt for a while. 402121463Ssimokawa */ 403170374Ssimokawa if (watchdog_clock > WATCHDOG_HZ * 15) 404170374Ssimokawa taskqueue_enqueue(fc->taskqueue, &fc->task_timeout); 405170374Ssimokawa else 406170374Ssimokawa watchdog_clock ++; 407121463Ssimokawa 408170374Ssimokawa callout_reset(&fc->timeout_callout, hz / WATCHDOG_HZ, 409110577Ssimokawa (void *)firewire_watchdog, (void *)fc); 410110577Ssimokawa} 411110577Ssimokawa 412103285Sikob/* 413103285Sikob * The attach routine. 414103285Sikob */ 415103285Sikobstatic int 416118455Ssimokawafirewire_attach(device_t dev) 417103285Sikob{ 418118455Ssimokawa int unit; 419103285Sikob struct firewire_softc *sc = device_get_softc(dev); 420103285Sikob device_t pa = device_get_parent(dev); 421103285Sikob struct firewire_comm *fc; 422103285Sikob 423103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 424103285Sikob sc->fc = fc; 425116978Ssimokawa fc->status = FWBUSNOTREADY; 426103285Sikob 427118455Ssimokawa unit = device_get_unit(dev); 428118455Ssimokawa if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 429103285Sikob 430118455Ssimokawa fwdev_makedev(sc); 431118455Ssimokawa 432170374Ssimokawa mtx_init(&fc->wait_lock, "fwwait", NULL, MTX_DEF); 433170374Ssimokawa CALLOUT_INIT(&fc->timeout_callout); 434170374Ssimokawa CALLOUT_INIT(&fc->bmr_callout); 435170374Ssimokawa CALLOUT_INIT(&fc->busprobe_callout); 436170374Ssimokawa TASK_INIT(&fc->task_timeout, 0, firewire_xfer_timeout, (void *)fc); 437108853Ssimokawa 438110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 439110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 440110193Ssimokawa 441169806Ssimokawa /* create thread */ 442170374Ssimokawa kthread_create(fw_bus_probe_thread, (void *)fc, &fc->probe_thread, 443169806Ssimokawa 0, 0, "fw%d_probe", unit); 444169806Ssimokawa 445103285Sikob /* Locate our children */ 446103285Sikob bus_generic_probe(dev); 447103285Sikob 448103285Sikob /* launch attachement of the added children */ 449103285Sikob bus_generic_attach(dev); 450103285Sikob 451103285Sikob /* bus_reset */ 452169117Ssimokawa fw_busreset(fc, FWBUSNOTREADY); 453103285Sikob fc->ibr(fc); 454103285Sikob 455103285Sikob return 0; 456103285Sikob} 457103285Sikob 458103285Sikob/* 459103285Sikob * Attach it as child. 460103285Sikob */ 461103285Sikobstatic device_t 462103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 463103285Sikob{ 464103285Sikob device_t child; 465103285Sikob struct firewire_softc *sc; 466103285Sikob 467103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 468103285Sikob child = device_add_child(dev, name, unit); 469103285Sikob if (child) { 470103285Sikob device_set_ivars(child, sc->fc); 471103285Sikob device_probe_and_attach(child); 472103285Sikob } 473103285Sikob 474103285Sikob return child; 475103285Sikob} 476106790Ssimokawa 477116978Ssimokawastatic int 478116978Ssimokawafirewire_resume(device_t dev) 479116978Ssimokawa{ 480116978Ssimokawa struct firewire_softc *sc; 481116978Ssimokawa 482116978Ssimokawa sc = (struct firewire_softc *)device_get_softc(dev); 483116978Ssimokawa sc->fc->status = FWBUSNOTREADY; 484116978Ssimokawa 485116978Ssimokawa bus_generic_resume(dev); 486116978Ssimokawa 487116978Ssimokawa return(0); 488116978Ssimokawa} 489116978Ssimokawa 490103285Sikob/* 491103285Sikob * Dettach it. 492103285Sikob */ 493103285Sikobstatic int 494118455Ssimokawafirewire_detach(device_t dev) 495103285Sikob{ 496103285Sikob struct firewire_softc *sc; 497169806Ssimokawa struct firewire_comm *fc; 498111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 499118455Ssimokawa int err; 500103285Sikob 501103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 502169806Ssimokawa fc = sc->fc; 503170374Ssimokawa mtx_lock(&fc->wait_lock); 504169806Ssimokawa fc->status = FWBUSDETACH; 505170374Ssimokawa wakeup(fc); 506170374Ssimokawa if (msleep(fc->probe_thread, &fc->wait_lock, PWAIT, "fwthr", hz * 60)) 507170374Ssimokawa printf("firewire probe thread didn't die\n"); 508170374Ssimokawa mtx_unlock(&fc->wait_lock); 509169806Ssimokawa 510118455Ssimokawa if ((err = fwdev_destroydev(sc)) != 0) 511118455Ssimokawa return err; 512106790Ssimokawa 513118455Ssimokawa if ((err = bus_generic_detach(dev)) != 0) 514118455Ssimokawa return err; 515111078Ssimokawa 516169806Ssimokawa callout_stop(&fc->timeout_callout); 517169806Ssimokawa callout_stop(&fc->bmr_callout); 518169806Ssimokawa callout_stop(&fc->busprobe_callout); 519111078Ssimokawa 520103285Sikob /* XXX xfree_free and untimeout on all xfers */ 521169806Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; 522111078Ssimokawa fwdev = fwdev_next) { 523111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 524111078Ssimokawa free(fwdev, M_FW); 525111078Ssimokawa } 526169806Ssimokawa free(fc->topology_map, M_FW); 527169806Ssimokawa free(fc->speed_map, M_FW); 528169806Ssimokawa free(fc->crom_src_buf, M_FW); 529169806Ssimokawa 530170374Ssimokawa mtx_destroy(&fc->wait_lock); 531103285Sikob return(0); 532103285Sikob} 533103285Sikob#if 0 534103285Sikobstatic int 535103285Sikobfirewire_shutdown( device_t dev ) 536103285Sikob{ 537103285Sikob return 0; 538103285Sikob} 539103285Sikob#endif 540106790Ssimokawa 541110577Ssimokawa 542110577Ssimokawastatic void 543110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 544110577Ssimokawa{ 545110577Ssimokawa struct fw_xfer *xfer; 546110577Ssimokawa 547110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 548110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 549170374Ssimokawa#if 0 550111942Ssimokawa xferq->queued --; 551170374Ssimokawa#endif 552110577Ssimokawa xfer->resp = EAGAIN; 553170374Ssimokawa xfer->flag = FWXF_SENTERR; 554113584Ssimokawa fw_xfer_done(xfer); 555110577Ssimokawa } 556110577Ssimokawa} 557110577Ssimokawa 558110798Ssimokawavoid 559110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 560110798Ssimokawa{ 561170374Ssimokawa struct fw_xfer *xfer, *txfer; 562170374Ssimokawa STAILQ_HEAD(, fw_xfer) xfer_drain; 563110798Ssimokawa int i; 564110798Ssimokawa 565170374Ssimokawa STAILQ_INIT(&xfer_drain); 566170374Ssimokawa 567170374Ssimokawa FW_GLOCK(fc); 568110798Ssimokawa fw_xferq_drain(fc->atq); 569110798Ssimokawa fw_xferq_drain(fc->ats); 570110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 571110798Ssimokawa fw_xferq_drain(fc->it[i]); 572170374Ssimokawa 573170374Ssimokawa for (i = 0; i < 0x40; i ++) 574170374Ssimokawa while ((xfer = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 575170374Ssimokawa if (firewire_debug) 576170374Ssimokawa printf("tl=%d flag=%d\n", i, xfer->flag); 577170374Ssimokawa xfer->resp = EAGAIN; 578170374Ssimokawa STAILQ_REMOVE_HEAD(&fc->tlabels[i], tlabel); 579170374Ssimokawa STAILQ_INSERT_TAIL(&xfer_drain, xfer, tlabel); 580170374Ssimokawa } 581170374Ssimokawa FW_GUNLOCK(fc); 582170374Ssimokawa 583170374Ssimokawa STAILQ_FOREACH_SAFE(xfer, &xfer_drain, tlabel, txfer) 584170374Ssimokawa xfer->hand(xfer); 585110798Ssimokawa} 586110798Ssimokawa 587116376Ssimokawastatic void 588116376Ssimokawafw_reset_csr(struct firewire_comm *fc) 589103285Sikob{ 590103285Sikob int i; 591103285Sikob 592103285Sikob CSRARC(fc, STATE_CLEAR) 593103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 594103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 595103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 596103285Sikob 597103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 598103285Sikob fc->irm = -1; 599103285Sikob 600103285Sikob fc->max_node = -1; 601103285Sikob 602103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 603103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 604103285Sikob } 605103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 606103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 607103285Sikob CSRARC(fc, RESET_START) = 0; 608103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 609103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 610103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 611103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 612103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 613103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 614103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 615103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 616103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 617103285Sikob 618103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 619103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 620103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 621103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 622103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 623103285Sikob 624103285Sikob/* DV depend CSRs see blue book */ 625103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 626103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 627103285Sikob 628103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 629103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 630116376Ssimokawa} 631113584Ssimokawa 632116376Ssimokawastatic void 633116376Ssimokawafw_init_crom(struct firewire_comm *fc) 634116376Ssimokawa{ 635116376Ssimokawa struct crom_src *src; 636116376Ssimokawa 637116376Ssimokawa fc->crom_src_buf = (struct crom_src_buf *) 638116376Ssimokawa malloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO); 639116376Ssimokawa if (fc->crom_src_buf == NULL) 640116376Ssimokawa return; 641116376Ssimokawa 642116376Ssimokawa src = &fc->crom_src_buf->src; 643116376Ssimokawa bzero(src, sizeof(struct crom_src)); 644116376Ssimokawa 645116376Ssimokawa /* BUS info sample */ 646116376Ssimokawa src->hdr.info_len = 4; 647116376Ssimokawa 648116376Ssimokawa src->businfo.bus_name = CSR_BUS_NAME_IEEE1394; 649116376Ssimokawa 650116376Ssimokawa src->businfo.irmc = 1; 651116376Ssimokawa src->businfo.cmc = 1; 652116376Ssimokawa src->businfo.isc = 1; 653116376Ssimokawa src->businfo.bmc = 1; 654116376Ssimokawa src->businfo.pmc = 0; 655116376Ssimokawa src->businfo.cyc_clk_acc = 100; 656116376Ssimokawa src->businfo.max_rec = fc->maxrec; 657116376Ssimokawa src->businfo.max_rom = MAXROM_4; 658117350Ssimokawa src->businfo.generation = 1; 659116376Ssimokawa src->businfo.link_spd = fc->speed; 660116376Ssimokawa 661116376Ssimokawa src->businfo.eui64.hi = fc->eui.hi; 662116376Ssimokawa src->businfo.eui64.lo = fc->eui.lo; 663116376Ssimokawa 664116376Ssimokawa STAILQ_INIT(&src->chunk_list); 665116376Ssimokawa 666116376Ssimokawa fc->crom_src = src; 667116376Ssimokawa fc->crom_root = &fc->crom_src_buf->root; 668116376Ssimokawa} 669116376Ssimokawa 670116376Ssimokawastatic void 671116376Ssimokawafw_reset_crom(struct firewire_comm *fc) 672116376Ssimokawa{ 673116376Ssimokawa struct crom_src_buf *buf; 674116376Ssimokawa struct crom_src *src; 675116376Ssimokawa struct crom_chunk *root; 676116376Ssimokawa 677116376Ssimokawa if (fc->crom_src_buf == NULL) 678116376Ssimokawa fw_init_crom(fc); 679116376Ssimokawa 680116376Ssimokawa buf = fc->crom_src_buf; 681116376Ssimokawa src = fc->crom_src; 682116376Ssimokawa root = fc->crom_root; 683116376Ssimokawa 684116376Ssimokawa STAILQ_INIT(&src->chunk_list); 685116376Ssimokawa 686116376Ssimokawa bzero(root, sizeof(struct crom_chunk)); 687116376Ssimokawa crom_add_chunk(src, NULL, root, 0); 688116376Ssimokawa crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */ 689116376Ssimokawa /* private company_id */ 690116376Ssimokawa crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE); 691127468Ssimokawa#ifdef __DragonFly__ 692127468Ssimokawa crom_add_simple_text(src, root, &buf->vendor, "DragonFly Project"); 693127468Ssimokawa crom_add_entry(root, CSRKEY_HW, __DragonFly_cc_version); 694127468Ssimokawa#else 695116376Ssimokawa crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project"); 696116376Ssimokawa crom_add_entry(root, CSRKEY_HW, __FreeBSD_version); 697127468Ssimokawa#endif 698116376Ssimokawa crom_add_simple_text(src, root, &buf->hw, hostname); 699116376Ssimokawa} 700116376Ssimokawa 701116376Ssimokawa/* 702116376Ssimokawa * Called after bus reset. 703116376Ssimokawa */ 704116376Ssimokawavoid 705169117Ssimokawafw_busreset(struct firewire_comm *fc, uint32_t new_status) 706116376Ssimokawa{ 707116376Ssimokawa struct firewire_dev_comm *fdc; 708117350Ssimokawa struct crom_src *src; 709116376Ssimokawa device_t *devlistp; 710117350Ssimokawa void *newrom; 711116376Ssimokawa int i, devcnt; 712116376Ssimokawa 713116376Ssimokawa switch(fc->status){ 714116376Ssimokawa case FWBUSMGRELECT: 715116376Ssimokawa callout_stop(&fc->bmr_callout); 716116376Ssimokawa break; 717116376Ssimokawa default: 718116376Ssimokawa break; 719116376Ssimokawa } 720169117Ssimokawa fc->status = new_status; 721116376Ssimokawa fw_reset_csr(fc); 722116376Ssimokawa fw_reset_crom(fc); 723116376Ssimokawa 724113584Ssimokawa if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) { 725113584Ssimokawa for( i = 0 ; i < devcnt ; i++) 726113584Ssimokawa if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 727113584Ssimokawa fdc = device_get_softc(devlistp[i]); 728113584Ssimokawa if (fdc->post_busreset != NULL) 729113584Ssimokawa fdc->post_busreset(fdc); 730113584Ssimokawa } 731113584Ssimokawa free(devlistp, M_TEMP); 732113584Ssimokawa } 733116376Ssimokawa 734117350Ssimokawa newrom = malloc(CROMSIZE, M_FW, M_NOWAIT | M_ZERO); 735117350Ssimokawa src = &fc->crom_src_buf->src; 736129585Sdfr crom_load(src, (uint32_t *)newrom, CROMSIZE); 737117350Ssimokawa if (bcmp(newrom, fc->config_rom, CROMSIZE) != 0) { 738117350Ssimokawa /* bump generation and reload */ 739117350Ssimokawa src->businfo.generation ++; 740117350Ssimokawa /* generation must be between 0x2 and 0xF */ 741117350Ssimokawa if (src->businfo.generation < 2) 742117350Ssimokawa src->businfo.generation ++; 743129585Sdfr crom_load(src, (uint32_t *)newrom, CROMSIZE); 744117350Ssimokawa bcopy(newrom, (void *)fc->config_rom, CROMSIZE); 745117350Ssimokawa } 746117350Ssimokawa free(newrom, M_FW); 747103285Sikob} 748106790Ssimokawa 749103285Sikob/* Call once after reboot */ 750106790Ssimokawavoid fw_init(struct firewire_comm *fc) 751103285Sikob{ 752103285Sikob int i; 753106543Ssimokawa#ifdef FW_VMACCESS 754103285Sikob struct fw_xfer *xfer; 755103285Sikob struct fw_bind *fwb; 756106543Ssimokawa#endif 757103285Sikob 758103285Sikob fc->arq->queued = 0; 759103285Sikob fc->ars->queued = 0; 760103285Sikob fc->atq->queued = 0; 761103285Sikob fc->ats->queued = 0; 762103285Sikob 763103285Sikob fc->arq->buf = NULL; 764103285Sikob fc->ars->buf = NULL; 765103285Sikob fc->atq->buf = NULL; 766103285Sikob fc->ats->buf = NULL; 767103285Sikob 768113584Ssimokawa fc->arq->flag = 0; 769113584Ssimokawa fc->ars->flag = 0; 770113584Ssimokawa fc->atq->flag = 0; 771113584Ssimokawa fc->ats->flag = 0; 772103285Sikob 773103285Sikob STAILQ_INIT(&fc->atq->q); 774103285Sikob STAILQ_INIT(&fc->ats->q); 775103285Sikob 776103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 777103285Sikob fc->it[i]->queued = 0; 778103285Sikob fc->ir[i]->queued = 0; 779103285Sikob 780103285Sikob fc->it[i]->start = NULL; 781103285Sikob fc->ir[i]->start = NULL; 782103285Sikob 783103285Sikob fc->it[i]->buf = NULL; 784103285Sikob fc->ir[i]->buf = NULL; 785103285Sikob 786103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 787103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 788103285Sikob 789103285Sikob STAILQ_INIT(&fc->it[i]->q); 790103285Sikob STAILQ_INIT(&fc->ir[i]->q); 791103285Sikob } 792103285Sikob 793103285Sikob fc->arq->maxq = FWMAXQUEUE; 794103285Sikob fc->ars->maxq = FWMAXQUEUE; 795103285Sikob fc->atq->maxq = FWMAXQUEUE; 796103285Sikob fc->ats->maxq = FWMAXQUEUE; 797103285Sikob 798103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 799103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 800103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 801103285Sikob } 802103285Sikob/* Initialize csr registers */ 803103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 804103285Sikob sizeof(struct fw_topology_map), 805110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 806103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 807103285Sikob sizeof(struct fw_speed_map), 808110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 809103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 810103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 811103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 812103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 813103285Sikob 814110193Ssimokawa STAILQ_INIT(&fc->devices); 815103285Sikob 816103285Sikob/* Initialize Async handlers */ 817103285Sikob STAILQ_INIT(&fc->binds); 818103285Sikob for( i = 0 ; i < 0x40 ; i++){ 819103285Sikob STAILQ_INIT(&fc->tlabels[i]); 820103285Sikob } 821103285Sikob 822103285Sikob/* DV depend CSRs see blue book */ 823103285Sikob#if 0 824103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 825103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 826103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 827103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 828103285Sikob } 829103285Sikob 830103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 831103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 832103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 833103285Sikob CSRARC(fc, i + iPCR) = 0x0; 834103285Sikob } 835103285Sikob#endif 836103285Sikob 837116376Ssimokawa fc->crom_src_buf = NULL; 838103285Sikob 839106543Ssimokawa#ifdef FW_VMACCESS 840103285Sikob xfer = fw_xfer_alloc(); 841103285Sikob if(xfer == NULL) return; 842103285Sikob 843110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 844103285Sikob if(fwb == NULL){ 845103285Sikob fw_xfer_free(xfer); 846139680Sjmg return; 847103285Sikob } 848167632Ssimokawa xfer->hand = fw_vmaccess; 849103285Sikob xfer->fc = fc; 850103285Sikob xfer->sc = NULL; 851103285Sikob 852103285Sikob fwb->start_hi = 0x2; 853103285Sikob fwb->start_lo = 0; 854103285Sikob fwb->addrlen = 0xffffffff; 855103285Sikob fwb->xfer = xfer; 856103285Sikob fw_bindadd(fc, fwb); 857106543Ssimokawa#endif 858103285Sikob} 859106790Ssimokawa 860120660Ssimokawa#define BIND_CMP(addr, fwb) (((addr) < (fwb)->start)?-1:\ 861120660Ssimokawa ((fwb)->end < (addr))?1:0) 862120660Ssimokawa 863103285Sikob/* 864129541Sdfr * To lookup bound process from IEEE1394 address. 865103285Sikob */ 866106813Ssimokawastruct fw_bind * 867129585Sdfrfw_bindlookup(struct firewire_comm *fc, uint16_t dest_hi, uint32_t dest_lo) 868103285Sikob{ 869120660Ssimokawa u_int64_t addr; 870170374Ssimokawa struct fw_bind *tfw, *r = NULL; 871120660Ssimokawa 872120660Ssimokawa addr = ((u_int64_t)dest_hi << 32) | dest_lo; 873170374Ssimokawa FW_GLOCK(fc); 874120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) 875170374Ssimokawa if (BIND_CMP(addr, tfw) == 0) { 876170374Ssimokawa r = tfw; 877170374Ssimokawa break; 878170374Ssimokawa } 879170374Ssimokawa FW_GUNLOCK(fc); 880170374Ssimokawa return(r); 881103285Sikob} 882106790Ssimokawa 883103285Sikob/* 884103285Sikob * To bind IEEE1394 address block to process. 885103285Sikob */ 886106790Ssimokawaint 887106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 888103285Sikob{ 889120660Ssimokawa struct fw_bind *tfw, *prev = NULL; 890170374Ssimokawa int r = 0; 891120660Ssimokawa 892120660Ssimokawa if (fwb->start > fwb->end) { 893127468Ssimokawa printf("%s: invalid range\n", __func__); 894120660Ssimokawa return EINVAL; 895120660Ssimokawa } 896120660Ssimokawa 897170374Ssimokawa FW_GLOCK(fc); 898120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) { 899120660Ssimokawa if (fwb->end < tfw->start) 900120660Ssimokawa break; 901120660Ssimokawa prev = tfw; 902120660Ssimokawa } 903170374Ssimokawa if (prev == NULL) 904103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 905170374Ssimokawa else if (prev->end < fwb->start) 906120660Ssimokawa STAILQ_INSERT_AFTER(&fc->binds, prev, fwb, fclist); 907170374Ssimokawa else { 908170374Ssimokawa printf("%s: bind failed\n", __func__); 909170374Ssimokawa r = EBUSY; 910103285Sikob } 911170374Ssimokawa FW_GUNLOCK(fc); 912170374Ssimokawa return (r); 913103285Sikob} 914103285Sikob 915103285Sikob/* 916103285Sikob * To free IEEE1394 address block. 917103285Sikob */ 918106790Ssimokawaint 919106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 920103285Sikob{ 921120660Ssimokawa#if 0 922120660Ssimokawa struct fw_xfer *xfer, *next; 923120660Ssimokawa#endif 924120660Ssimokawa struct fw_bind *tfw; 925103285Sikob int s; 926103285Sikob 927103285Sikob s = splfw(); 928170374Ssimokawa FW_GLOCK(fc); 929120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) 930120660Ssimokawa if (tfw == fwb) { 931120660Ssimokawa STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 932120660Ssimokawa goto found; 933120660Ssimokawa } 934120660Ssimokawa 935129541Sdfr printf("%s: no such binding\n", __func__); 936170374Ssimokawa FW_GUNLOCK(fc); 937120660Ssimokawa splx(s); 938120660Ssimokawa return (1); 939120660Ssimokawafound: 940120660Ssimokawa#if 0 941113584Ssimokawa /* shall we do this? */ 942113584Ssimokawa for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) { 943113584Ssimokawa next = STAILQ_NEXT(xfer, link); 944113584Ssimokawa fw_xfer_free(xfer); 945113584Ssimokawa } 946113584Ssimokawa STAILQ_INIT(&fwb->xferlist); 947120660Ssimokawa#endif 948170374Ssimokawa FW_GUNLOCK(fc); 949113584Ssimokawa 950103285Sikob splx(s); 951103285Sikob return 0; 952103285Sikob} 953103285Sikob 954169130Ssimokawaint 955169130Ssimokawafw_xferlist_add(struct fw_xferlist *q, struct malloc_type *type, 956169130Ssimokawa int slen, int rlen, int n, 957169130Ssimokawa struct firewire_comm *fc, void *sc, void (*hand)(struct fw_xfer *)) 958169130Ssimokawa{ 959169130Ssimokawa int i, s; 960169130Ssimokawa struct fw_xfer *xfer; 961169130Ssimokawa 962169130Ssimokawa for (i = 0; i < n; i++) { 963169130Ssimokawa xfer = fw_xfer_alloc_buf(type, slen, rlen); 964169130Ssimokawa if (xfer == NULL) 965169130Ssimokawa return (n); 966169130Ssimokawa xfer->fc = fc; 967169130Ssimokawa xfer->sc = sc; 968169130Ssimokawa xfer->hand = hand; 969169130Ssimokawa s = splfw(); 970169130Ssimokawa STAILQ_INSERT_TAIL(q, xfer, link); 971169130Ssimokawa splx(s); 972169130Ssimokawa } 973169130Ssimokawa return (n); 974169130Ssimokawa} 975169130Ssimokawa 976169130Ssimokawavoid 977169130Ssimokawafw_xferlist_remove(struct fw_xferlist *q) 978169130Ssimokawa{ 979169130Ssimokawa struct fw_xfer *xfer, *next; 980169130Ssimokawa 981169130Ssimokawa for (xfer = STAILQ_FIRST(q); xfer != NULL; xfer = next) { 982169130Ssimokawa next = STAILQ_NEXT(xfer, link); 983169130Ssimokawa fw_xfer_free_buf(xfer); 984169130Ssimokawa } 985169130Ssimokawa STAILQ_INIT(q); 986169130Ssimokawa} 987170374Ssimokawa/* 988170374Ssimokawa * dump packet header 989170374Ssimokawa */ 990170374Ssimokawastatic void 991170374Ssimokawafw_dump_hdr(struct fw_pkt *fp, char *prefix) 992170374Ssimokawa{ 993170374Ssimokawa printf("%s: dst=0x%02x tl=0x%02x rt=%d tcode=0x%x pri=0x%x " 994170374Ssimokawa "src=0x%03x\n", prefix, 995170374Ssimokawa fp->mode.hdr.dst & 0x3f, 996170374Ssimokawa fp->mode.hdr.tlrt >> 2, fp->mode.hdr.tlrt & 3, 997170374Ssimokawa fp->mode.hdr.tcode, fp->mode.hdr.pri, 998170374Ssimokawa fp->mode.hdr.src); 999170374Ssimokawa} 1000169130Ssimokawa 1001103285Sikob/* 1002103285Sikob * To free transaction label. 1003103285Sikob */ 1004106790Ssimokawastatic void 1005106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 1006103285Sikob{ 1007169119Ssimokawa struct fw_xfer *txfer; 1008169119Ssimokawa int s; 1009103285Sikob 1010169119Ssimokawa if (xfer->tl < 0) 1011169119Ssimokawa return; 1012169119Ssimokawa 1013169119Ssimokawa s = splfw(); 1014170374Ssimokawa FW_GLOCK(fc); 1015169119Ssimokawa#if 1 /* make sure the label is allocated */ 1016169119Ssimokawa STAILQ_FOREACH(txfer, &fc->tlabels[xfer->tl], tlabel) 1017169119Ssimokawa if(txfer == xfer) 1018169119Ssimokawa break; 1019169119Ssimokawa if (txfer == NULL) { 1020170374Ssimokawa printf("%s: the xfer is not in the queue " 1021170374Ssimokawa "(tlabel=%d, flag=0x%x)\n", 1022170374Ssimokawa __FUNCTION__, xfer->tl, xfer->flag); 1023170374Ssimokawa fw_dump_hdr(&xfer->send.hdr, "send"); 1024170374Ssimokawa fw_dump_hdr(&xfer->recv.hdr, "recv"); 1025170374Ssimokawa kdb_backtrace(); 1026170374Ssimokawa FW_GUNLOCK(fc); 1027169119Ssimokawa splx(s); 1028169119Ssimokawa return; 1029103285Sikob } 1030169119Ssimokawa#endif 1031169119Ssimokawa 1032169119Ssimokawa STAILQ_REMOVE(&fc->tlabels[xfer->tl], xfer, fw_xfer, tlabel); 1033170374Ssimokawa FW_GUNLOCK(fc); 1034103285Sikob splx(s); 1035103285Sikob return; 1036103285Sikob} 1037106790Ssimokawa 1038103285Sikob/* 1039103285Sikob * To obtain XFER structure by transaction label. 1040103285Sikob */ 1041106790Ssimokawastatic struct fw_xfer * 1042170374Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel, int tcode) 1043103285Sikob{ 1044103285Sikob struct fw_xfer *xfer; 1045103285Sikob int s = splfw(); 1046170374Ssimokawa int req; 1047103285Sikob 1048170374Ssimokawa FW_GLOCK(fc); 1049169119Ssimokawa STAILQ_FOREACH(xfer, &fc->tlabels[tlabel], tlabel) 1050169119Ssimokawa if(xfer->send.hdr.mode.hdr.dst == node) { 1051170374Ssimokawa FW_GUNLOCK(fc); 1052103285Sikob splx(s); 1053170374Ssimokawa KASSERT(xfer->tl == tlabel, 1054170374Ssimokawa ("xfer->tl 0x%x != 0x%x", xfer->tl, tlabel)); 1055170374Ssimokawa /* extra sanity check */ 1056170374Ssimokawa req = xfer->send.hdr.mode.hdr.tcode; 1057170374Ssimokawa if (xfer->fc->tcode[req].valid_res != tcode) { 1058170374Ssimokawa printf("%s: invalid response tcode " 1059170374Ssimokawa "(0x%x for 0x%x)\n", __FUNCTION__, 1060170374Ssimokawa tcode, req); 1061170374Ssimokawa return(NULL); 1062170374Ssimokawa } 1063170374Ssimokawa 1064110577Ssimokawa if (firewire_debug > 2) 1065110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 1066103285Sikob return(xfer); 1067103285Sikob } 1068170374Ssimokawa FW_GUNLOCK(fc); 1069110577Ssimokawa if (firewire_debug > 1) 1070110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 1071103285Sikob splx(s); 1072103285Sikob return(NULL); 1073103285Sikob} 1074106790Ssimokawa 1075103285Sikob/* 1076103285Sikob * To allocate IEEE1394 XFER structure. 1077103285Sikob */ 1078106790Ssimokawastruct fw_xfer * 1079110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 1080103285Sikob{ 1081103285Sikob struct fw_xfer *xfer; 1082106790Ssimokawa 1083110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 1084106790Ssimokawa if (xfer == NULL) 1085106790Ssimokawa return xfer; 1086106790Ssimokawa 1087110269Ssimokawa xfer->malloc = type; 1088106790Ssimokawa 1089103285Sikob return xfer; 1090103285Sikob} 1091106790Ssimokawa 1092113584Ssimokawastruct fw_xfer * 1093113584Ssimokawafw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len) 1094113584Ssimokawa{ 1095113584Ssimokawa struct fw_xfer *xfer; 1096113584Ssimokawa 1097113584Ssimokawa xfer = fw_xfer_alloc(type); 1098126102Scperciva if (xfer == NULL) 1099126102Scperciva return(NULL); 1100120660Ssimokawa xfer->send.pay_len = send_len; 1101120660Ssimokawa xfer->recv.pay_len = recv_len; 1102120660Ssimokawa if (send_len > 0) { 1103120660Ssimokawa xfer->send.payload = malloc(send_len, type, M_NOWAIT | M_ZERO); 1104120660Ssimokawa if (xfer->send.payload == NULL) { 1105113584Ssimokawa fw_xfer_free(xfer); 1106113584Ssimokawa return(NULL); 1107113584Ssimokawa } 1108113584Ssimokawa } 1109120660Ssimokawa if (recv_len > 0) { 1110120660Ssimokawa xfer->recv.payload = malloc(recv_len, type, M_NOWAIT); 1111120660Ssimokawa if (xfer->recv.payload == NULL) { 1112120660Ssimokawa if (xfer->send.payload != NULL) 1113120660Ssimokawa free(xfer->send.payload, type); 1114113584Ssimokawa fw_xfer_free(xfer); 1115113584Ssimokawa return(NULL); 1116113584Ssimokawa } 1117113584Ssimokawa } 1118113584Ssimokawa return(xfer); 1119113584Ssimokawa} 1120113584Ssimokawa 1121103285Sikob/* 1122103285Sikob * IEEE1394 XFER post process. 1123103285Sikob */ 1124103285Sikobvoid 1125103285Sikobfw_xfer_done(struct fw_xfer *xfer) 1126103285Sikob{ 1127167632Ssimokawa if (xfer->hand == NULL) { 1128167632Ssimokawa printf("hand == NULL\n"); 1129103285Sikob return; 1130117716Ssimokawa } 1131103285Sikob 1132121505Ssimokawa if (xfer->fc == NULL) 1133121505Ssimokawa panic("fw_xfer_done: why xfer->fc is NULL?"); 1134121505Ssimokawa 1135168051Ssimokawa fw_tl_free(xfer->fc, xfer); 1136167632Ssimokawa xfer->hand(xfer); 1137103285Sikob} 1138103285Sikob 1139106790Ssimokawavoid 1140113584Ssimokawafw_xfer_unload(struct fw_xfer* xfer) 1141103285Sikob{ 1142103285Sikob int s; 1143113584Ssimokawa 1144103285Sikob if(xfer == NULL ) return; 1145170374Ssimokawa if(xfer->flag & FWXF_INQ){ 1146103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 1147103285Sikob s = splfw(); 1148170374Ssimokawa FW_GLOCK(xfer->fc); 1149103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1150170374Ssimokawa#if 0 1151103285Sikob xfer->q->queued --; 1152170374Ssimokawa#endif 1153170374Ssimokawa FW_GUNLOCK(xfer->fc); 1154103285Sikob splx(s); 1155103285Sikob } 1156113584Ssimokawa if (xfer->fc != NULL) { 1157114729Ssimokawa#if 1 1158170374Ssimokawa if(xfer->flag & FWXF_START) 1159114729Ssimokawa /* 1160114729Ssimokawa * This could happen if: 1161114729Ssimokawa * 1. We call fwohci_arcv() before fwohci_txd(). 1162114729Ssimokawa * 2. firewire_watch() is called. 1163114729Ssimokawa */ 1164114729Ssimokawa printf("fw_xfer_free FWXF_START\n"); 1165103285Sikob#endif 1166103285Sikob } 1167170374Ssimokawa xfer->flag = FWXF_INIT; 1168113584Ssimokawa xfer->resp = 0; 1169113584Ssimokawa} 1170113584Ssimokawa/* 1171113584Ssimokawa * To free IEEE1394 XFER structure. 1172113584Ssimokawa */ 1173113584Ssimokawavoid 1174120660Ssimokawafw_xfer_free_buf( struct fw_xfer* xfer) 1175113584Ssimokawa{ 1176120660Ssimokawa if (xfer == NULL) { 1177127468Ssimokawa printf("%s: xfer == NULL\n", __func__); 1178120660Ssimokawa return; 1179120660Ssimokawa } 1180113584Ssimokawa fw_xfer_unload(xfer); 1181120660Ssimokawa if(xfer->send.payload != NULL){ 1182120660Ssimokawa free(xfer->send.payload, xfer->malloc); 1183103285Sikob } 1184120660Ssimokawa if(xfer->recv.payload != NULL){ 1185120660Ssimokawa free(xfer->recv.payload, xfer->malloc); 1186103285Sikob } 1187110269Ssimokawa free(xfer, xfer->malloc); 1188103285Sikob} 1189103285Sikob 1190120660Ssimokawavoid 1191120660Ssimokawafw_xfer_free( struct fw_xfer* xfer) 1192120660Ssimokawa{ 1193120660Ssimokawa if (xfer == NULL) { 1194127468Ssimokawa printf("%s: xfer == NULL\n", __func__); 1195120660Ssimokawa return; 1196120660Ssimokawa } 1197120660Ssimokawa fw_xfer_unload(xfer); 1198120660Ssimokawa free(xfer, xfer->malloc); 1199120660Ssimokawa} 1200120660Ssimokawa 1201120660Ssimokawavoid 1202110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 1203103285Sikob{ 1204103285Sikob#if 0 1205170374Ssimokawa printf("asyreq done flag=0x%02x resp=%d\n", 1206170374Ssimokawa xfer->flag, xfer->resp); 1207103285Sikob#endif 1208103285Sikob fw_xfer_free(xfer); 1209103285Sikob} 1210103285Sikob 1211103285Sikob/* 1212103285Sikob * To configure PHY. 1213103285Sikob */ 1214103285Sikobstatic void 1215103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1216103285Sikob{ 1217103285Sikob struct fw_xfer *xfer; 1218103285Sikob struct fw_pkt *fp; 1219103285Sikob 1220103285Sikob fc->status = FWBUSPHYCONF; 1221103285Sikob 1222120660Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1223113584Ssimokawa if (xfer == NULL) 1224113584Ssimokawa return; 1225103285Sikob xfer->fc = fc; 1226167632Ssimokawa xfer->hand = fw_asy_callback_free; 1227103285Sikob 1228120660Ssimokawa fp = &xfer->send.hdr; 1229103285Sikob fp->mode.ld[1] = 0; 1230103285Sikob if (root_node >= 0) 1231113584Ssimokawa fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23; 1232103285Sikob if (gap_count >= 0) 1233113584Ssimokawa fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16; 1234103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1235103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1236103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1237103285Sikob 1238107653Ssimokawa if (firewire_debug) 1239107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1240103285Sikob root_node, gap_count); 1241103285Sikob fw_asyreq(fc, -1, xfer); 1242103285Sikob} 1243103285Sikob 1244103285Sikob#if 0 1245103285Sikob/* 1246103285Sikob * Dump self ID. 1247103285Sikob */ 1248103285Sikobstatic void 1249129585Sdfrfw_print_sid(uint32_t sid) 1250103285Sikob{ 1251103285Sikob union fw_self_id *s; 1252103285Sikob s = (union fw_self_id *) &sid; 1253103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1254103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1255103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1256103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1257103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1258103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1259103285Sikob} 1260103285Sikob#endif 1261103285Sikob 1262103285Sikob/* 1263103285Sikob * To receive self ID. 1264103285Sikob */ 1265129585Sdfrvoid fw_sidrcv(struct firewire_comm* fc, uint32_t *sid, u_int len) 1266103285Sikob{ 1267129585Sdfr uint32_t *p; 1268103285Sikob union fw_self_id *self_id; 1269103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1270103285Sikob 1271129585Sdfr fc->sid_cnt = len /(sizeof(uint32_t) * 2); 1272103285Sikob fc->max_node = fc->nodeid & 0x3f; 1273129585Sdfr CSRARC(fc, NODE_IDS) = ((uint32_t)fc->nodeid) << 16; 1274103285Sikob fc->status = FWBUSCYMELECT; 1275103285Sikob fc->topology_map->crc_len = 2; 1276103285Sikob fc->topology_map->generation ++; 1277103285Sikob fc->topology_map->self_id_count = 0; 1278103285Sikob fc->topology_map->node_count = 0; 1279103285Sikob fc->speed_map->generation ++; 1280103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1281103285Sikob self_id = &fc->topology_map->self_id[0]; 1282103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1283103285Sikob if (sid[1] != ~sid[0]) { 1284103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1285103285Sikob sid += 2; 1286103285Sikob continue; 1287103285Sikob } 1288103285Sikob *self_id = *((union fw_self_id *)sid); 1289103285Sikob fc->topology_map->crc_len++; 1290103285Sikob if(self_id->p0.sequel == 0){ 1291103285Sikob fc->topology_map->node_count ++; 1292103285Sikob c_port = 0; 1293103285Sikob#if 0 1294103285Sikob fw_print_sid(sid[0]); 1295103285Sikob#endif 1296103285Sikob node = self_id->p0.phy_id; 1297103285Sikob if(fc->max_node < node){ 1298103285Sikob fc->max_node = self_id->p0.phy_id; 1299103285Sikob } 1300103285Sikob /* XXX I'm not sure this is the right speed_map */ 1301103285Sikob fc->speed_map->speed[node][node] 1302103285Sikob = self_id->p0.phy_speed; 1303103285Sikob for (j = 0; j < node; j ++) { 1304103285Sikob fc->speed_map->speed[j][node] 1305103285Sikob = fc->speed_map->speed[node][j] 1306103285Sikob = min(fc->speed_map->speed[j][j], 1307103285Sikob self_id->p0.phy_speed); 1308103285Sikob } 1309103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1310103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1311103285Sikob fc->irm = self_id->p0.phy_id; 1312103285Sikob } 1313103285Sikob if(self_id->p0.port0 >= 0x2){ 1314103285Sikob c_port++; 1315103285Sikob } 1316103285Sikob if(self_id->p0.port1 >= 0x2){ 1317103285Sikob c_port++; 1318103285Sikob } 1319103285Sikob if(self_id->p0.port2 >= 0x2){ 1320103285Sikob c_port++; 1321103285Sikob } 1322103285Sikob } 1323103285Sikob if(c_port > 2){ 1324103285Sikob i_branch += (c_port - 2); 1325103285Sikob } 1326103285Sikob sid += 2; 1327103285Sikob self_id++; 1328103285Sikob fc->topology_map->self_id_count ++; 1329103285Sikob } 1330108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1331103285Sikob /* CRC */ 1332103285Sikob fc->topology_map->crc = fw_crc16( 1333129585Sdfr (uint32_t *)&fc->topology_map->generation, 1334103285Sikob fc->topology_map->crc_len * 4); 1335103285Sikob fc->speed_map->crc = fw_crc16( 1336129585Sdfr (uint32_t *)&fc->speed_map->generation, 1337103285Sikob fc->speed_map->crc_len * 4); 1338103285Sikob /* byteswap and copy to CSR */ 1339129585Sdfr p = (uint32_t *)fc->topology_map; 1340103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1341103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1342129585Sdfr p = (uint32_t *)fc->speed_map; 1343103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1344103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1345129585Sdfr /* don't byte-swap uint8_t array */ 1346103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1347103285Sikob 1348103285Sikob fc->max_hop = fc->max_node - i_branch; 1349103285Sikob printf(", maxhop <= %d", fc->max_hop); 1350103285Sikob 1351103285Sikob if(fc->irm == -1 ){ 1352103285Sikob printf(", Not found IRM capable node"); 1353103285Sikob }else{ 1354103285Sikob printf(", cable IRM = %d", fc->irm); 1355103285Sikob if (fc->irm == fc->nodeid) 1356110016Ssimokawa printf(" (me)"); 1357103285Sikob } 1358110016Ssimokawa printf("\n"); 1359103285Sikob 1360109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1361114909Ssimokawa if (fc->irm == fc->nodeid) { 1362103285Sikob fc->status = FWBUSMGRDONE; 1363103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1364114909Ssimokawa fw_bmr(fc); 1365109736Ssimokawa } else { 1366103285Sikob fc->status = FWBUSMGRELECT; 1367110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1368110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1369103285Sikob } 1370114909Ssimokawa } else 1371103285Sikob fc->status = FWBUSMGRDONE; 1372114909Ssimokawa 1373108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1374108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1375103285Sikob} 1376106790Ssimokawa 1377103285Sikob/* 1378103285Sikob * To probe devices on the IEEE1394 bus. 1379103285Sikob */ 1380106790Ssimokawastatic void 1381106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1382103285Sikob{ 1383103285Sikob int s; 1384120850Ssimokawa struct fw_device *fwdev; 1385103285Sikob 1386103285Sikob s = splfw(); 1387103285Sikob fc->status = FWBUSEXPLORE; 1388103285Sikob 1389120850Ssimokawa /* Invalidate all devices, just after bus reset. */ 1390120850Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1391110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1392103285Sikob fwdev->status = FWDEVINVAL; 1393103285Sikob fwdev->rcnt = 0; 1394103285Sikob } 1395169806Ssimokawa splx(s); 1396120850Ssimokawa 1397169806Ssimokawa wakeup((void *)fc); 1398103285Sikob} 1399106790Ssimokawa 1400169806Ssimokawastatic int 1401169806Ssimokawafw_explore_read_quads(struct fw_device *fwdev, int offset, 1402169806Ssimokawa uint32_t *quad, int n) 1403129274Sdfr{ 1404169806Ssimokawa struct fw_xfer *xfer; 1405169806Ssimokawa uint32_t tmp; 1406169806Ssimokawa int i, error; 1407129274Sdfr 1408169806Ssimokawa for (i = 0; i < n; i ++, offset += sizeof(uint32_t)) { 1409169806Ssimokawa xfer = fwmem_read_quad(fwdev, NULL, -1, 1410169806Ssimokawa 0xffff, 0xf0000000 | offset, (void *)&tmp, 1411170374Ssimokawa fw_xferwake); 1412169806Ssimokawa if (xfer == NULL) 1413169806Ssimokawa return (-1); 1414170374Ssimokawa fw_xferwait(xfer); 1415169806Ssimokawa 1416169806Ssimokawa if (xfer->resp == 0) 1417169806Ssimokawa quad[i] = ntohl(tmp); 1418169806Ssimokawa 1419169806Ssimokawa error = xfer->resp; 1420169806Ssimokawa fw_xfer_free(xfer); 1421169806Ssimokawa if (error) 1422169806Ssimokawa return (error); 1423169806Ssimokawa } 1424169806Ssimokawa return (0); 1425169806Ssimokawa} 1426169806Ssimokawa 1427169806Ssimokawa 1428169806Ssimokawastatic int 1429169806Ssimokawafw_explore_csrblock(struct fw_device *fwdev, int offset, int recur) 1430169806Ssimokawa{ 1431169806Ssimokawa int err, i, off; 1432169806Ssimokawa struct csrdirectory *dir; 1433169806Ssimokawa struct csrreg *reg; 1434169806Ssimokawa 1435169806Ssimokawa dir = (struct csrdirectory *)&fwdev->csrrom[offset/sizeof(uint32_t)]; 1436169806Ssimokawa err = fw_explore_read_quads(fwdev, CSRROMOFF + offset, 1437169806Ssimokawa (uint32_t *)dir, 1); 1438169806Ssimokawa if (err) 1439169806Ssimokawa return (-1); 1440169806Ssimokawa 1441169806Ssimokawa offset += sizeof(uint32_t); 1442169806Ssimokawa reg = (struct csrreg *)&fwdev->csrrom[offset/sizeof(uint32_t)]; 1443169806Ssimokawa err = fw_explore_read_quads(fwdev, CSRROMOFF + offset, 1444169806Ssimokawa (uint32_t *)reg, dir->crc_len); 1445169806Ssimokawa if (err) 1446169806Ssimokawa return (-1); 1447169806Ssimokawa 1448169806Ssimokawa /* XXX check CRC */ 1449169806Ssimokawa 1450169806Ssimokawa off = CSRROMOFF + offset + sizeof(uint32_t) * (dir->crc_len - 1); 1451169806Ssimokawa if (fwdev->rommax < off) 1452169806Ssimokawa fwdev->rommax = off; 1453169806Ssimokawa 1454169806Ssimokawa if (recur == 0) 1455169806Ssimokawa return (0); 1456169806Ssimokawa 1457169806Ssimokawa for (i = 0; i < dir->crc_len; i ++, offset += sizeof(uint32_t)) { 1458171302Ssimokawa if ((reg[i].key & CSRTYPE_MASK) == CSRTYPE_D) 1459169806Ssimokawa recur = 1; 1460171302Ssimokawa else if ((reg[i].key & CSRTYPE_MASK) == CSRTYPE_L) 1461169806Ssimokawa recur = 0; 1462169806Ssimokawa else 1463129274Sdfr continue; 1464169806Ssimokawa 1465169806Ssimokawa off = offset + reg[i].val * sizeof(uint32_t); 1466169806Ssimokawa if (off > CROMSIZE) { 1467169806Ssimokawa printf("%s: invalid offset %d\n", __FUNCTION__, off); 1468169806Ssimokawa return(-1); 1469169806Ssimokawa } 1470169806Ssimokawa err = fw_explore_csrblock(fwdev, off, recur); 1471169806Ssimokawa if (err) 1472169806Ssimokawa return (-1); 1473129274Sdfr } 1474169806Ssimokawa return (0); 1475129274Sdfr} 1476129274Sdfr 1477169806Ssimokawastatic int 1478169806Ssimokawafw_explore_node(struct fw_device *dfwdev) 1479103285Sikob{ 1480169806Ssimokawa struct firewire_comm *fc; 1481110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1482169806Ssimokawa uint32_t *csr; 1483169806Ssimokawa struct csrhdr *hdr; 1484169806Ssimokawa struct bus_info *binfo; 1485169806Ssimokawa int err, node, spd; 1486103285Sikob 1487169806Ssimokawa fc = dfwdev->fc; 1488169806Ssimokawa csr = dfwdev->csrrom; 1489169806Ssimokawa node = dfwdev->dst; 1490103285Sikob 1491169806Ssimokawa /* First quad */ 1492169806Ssimokawa err = fw_explore_read_quads(dfwdev, CSRROMOFF, &csr[0], 1); 1493169806Ssimokawa if (err) 1494169806Ssimokawa return (-1); 1495169806Ssimokawa hdr = (struct csrhdr *)&csr[0]; 1496169806Ssimokawa if (hdr->info_len != 4) { 1497169806Ssimokawa if (firewire_debug) 1498169806Ssimokawa printf("node%d: wrong bus info len(%d)\n", 1499169806Ssimokawa node, hdr->info_len); 1500169806Ssimokawa return (-1); 1501169806Ssimokawa } 1502103285Sikob 1503169806Ssimokawa /* bus info */ 1504169806Ssimokawa err = fw_explore_read_quads(dfwdev, CSRROMOFF + 0x04, &csr[1], 4); 1505169806Ssimokawa if (err) 1506169806Ssimokawa return (-1); 1507169806Ssimokawa binfo = (struct bus_info *)&csr[1]; 1508169806Ssimokawa if (binfo->bus_name != CSR_BUS_NAME_IEEE1394) { 1509110577Ssimokawa if (firewire_debug) 1510169806Ssimokawa printf("node%d: invalid bus name 0x%08x\n", 1511169806Ssimokawa node, binfo->bus_name); 1512169806Ssimokawa return (-1); 1513103285Sikob } 1514169806Ssimokawa spd = fc->speed_map->speed[fc->nodeid][node]; 1515169806Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1516169806Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, binfo->eui64)) 1517169806Ssimokawa break; 1518169806Ssimokawa if (fwdev == NULL) { 1519169806Ssimokawa /* new device */ 1520169806Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, 1521169806Ssimokawa M_NOWAIT | M_ZERO); 1522169806Ssimokawa if (fwdev == NULL) { 1523169806Ssimokawa if (firewire_debug) 1524169806Ssimokawa printf("node%d: no memory\n", node); 1525169806Ssimokawa return (-1); 1526103285Sikob } 1527106810Ssimokawa fwdev->fc = fc; 1528169806Ssimokawa fwdev->eui = binfo->eui64; 1529169806Ssimokawa /* inesrt into sorted fwdev list */ 1530110179Ssimokawa pfwdev = NULL; 1531110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1532110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1533169806Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1534169806Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1535110179Ssimokawa break; 1536110179Ssimokawa pfwdev = tfwdev; 1537103285Sikob } 1538110179Ssimokawa if (pfwdev == NULL) 1539110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1540110179Ssimokawa else 1541110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1542103285Sikob 1543108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1544169806Ssimokawa linkspeed[spd], 1545169806Ssimokawa fwdev->eui.hi, fwdev->eui.lo); 1546103285Sikob } 1547169806Ssimokawa fwdev->dst = node; 1548169806Ssimokawa fwdev->status = FWDEVINIT; 1549169806Ssimokawa fwdev->speed = spd; 1550103285Sikob 1551169806Ssimokawa /* unchanged ? */ 1552169806Ssimokawa if (bcmp(&csr[0], &fwdev->csrrom[0], sizeof(uint32_t) * 5) == 0) { 1553169806Ssimokawa if (firewire_debug) 1554169806Ssimokawa printf("node%d: crom unchanged\n", node); 1555169806Ssimokawa return (0); 1556103285Sikob } 1557103285Sikob 1558169806Ssimokawa bzero(&fwdev->csrrom[0], CROMSIZE); 1559106790Ssimokawa 1560169806Ssimokawa /* copy first quad and bus info block */ 1561169806Ssimokawa bcopy(&csr[0], &fwdev->csrrom[0], sizeof(uint32_t) * 5); 1562169806Ssimokawa fwdev->rommax = CSRROMOFF + sizeof(uint32_t) * 4; 1563103285Sikob 1564169806Ssimokawa err = fw_explore_csrblock(fwdev, 0x14, 1); /* root directory */ 1565113584Ssimokawa 1566169806Ssimokawa if (err) { 1567169806Ssimokawa fwdev->status = FWDEVINVAL; 1568169806Ssimokawa fwdev->csrrom[0] = 0; 1569103285Sikob } 1570169806Ssimokawa return (err); 1571103285Sikob 1572103285Sikob} 1573106790Ssimokawa 1574103285Sikob/* 1575169806Ssimokawa * Find the self_id packet for a node, ignoring sequels. 1576103285Sikob */ 1577169806Ssimokawastatic union fw_self_id * 1578169806Ssimokawafw_find_self_id(struct firewire_comm *fc, int node) 1579106790Ssimokawa{ 1580169806Ssimokawa uint32_t i; 1581169806Ssimokawa union fw_self_id *s; 1582103285Sikob 1583169806Ssimokawa for (i = 0; i < fc->topology_map->self_id_count; i++) { 1584169806Ssimokawa s = &fc->topology_map->self_id[i]; 1585169806Ssimokawa if (s->p0.sequel) 1586169806Ssimokawa continue; 1587169806Ssimokawa if (s->p0.phy_id == node) 1588169806Ssimokawa return s; 1589110577Ssimokawa } 1590169806Ssimokawa return 0; 1591169806Ssimokawa} 1592110577Ssimokawa 1593169806Ssimokawastatic void 1594169806Ssimokawafw_explore(struct firewire_comm *fc) 1595169806Ssimokawa{ 1596169806Ssimokawa int node, err, s, i, todo, todo2, trys; 1597169806Ssimokawa char nodes[63]; 1598169806Ssimokawa struct fw_device dfwdev; 1599169829Ssimokawa union fw_self_id *fwsid; 1600110577Ssimokawa 1601169806Ssimokawa todo = 0; 1602169806Ssimokawa /* setup dummy fwdev */ 1603169806Ssimokawa dfwdev.fc = fc; 1604169806Ssimokawa dfwdev.speed = 0; 1605169806Ssimokawa dfwdev.maxrec = 8; /* 512 */ 1606169806Ssimokawa dfwdev.status = FWDEVINIT; 1607103285Sikob 1608169806Ssimokawa for (node = 0; node <= fc->max_node; node ++) { 1609169806Ssimokawa /* We don't probe myself and linkdown nodes */ 1610169806Ssimokawa if (node == fc->nodeid) 1611169806Ssimokawa continue; 1612169829Ssimokawa fwsid = fw_find_self_id(fc, node); 1613169829Ssimokawa if (!fwsid || !fwsid->p0.link_active) { 1614169806Ssimokawa if (firewire_debug) 1615169806Ssimokawa printf("node%d: link down\n", node); 1616169806Ssimokawa continue; 1617103285Sikob } 1618169806Ssimokawa nodes[todo++] = node; 1619103285Sikob } 1620103285Sikob 1621169806Ssimokawa s = splfw(); 1622169806Ssimokawa for (trys = 0; todo > 0 && trys < 3; trys ++) { 1623169806Ssimokawa todo2 = 0; 1624169806Ssimokawa for (i = 0; i < todo; i ++) { 1625169806Ssimokawa dfwdev.dst = nodes[i]; 1626169806Ssimokawa err = fw_explore_node(&dfwdev); 1627169806Ssimokawa if (err) 1628169806Ssimokawa nodes[todo2++] = nodes[i]; 1629169806Ssimokawa if (firewire_debug) 1630169806Ssimokawa printf("%s: node %d, err = %d\n", 1631169806Ssimokawa __FUNCTION__, node, err); 1632103285Sikob } 1633169806Ssimokawa todo = todo2; 1634103285Sikob } 1635169806Ssimokawa splx(s); 1636169806Ssimokawa} 1637169806Ssimokawa 1638169806Ssimokawa 1639169806Ssimokawastatic void 1640169806Ssimokawafw_bus_probe_thread(void *arg) 1641169806Ssimokawa{ 1642169806Ssimokawa struct firewire_comm *fc; 1643169806Ssimokawa 1644169806Ssimokawa fc = (struct firewire_comm *)arg; 1645169806Ssimokawa 1646170374Ssimokawa mtx_lock(&fc->wait_lock); 1647170374Ssimokawa while (fc->status != FWBUSDETACH) { 1648169806Ssimokawa if (fc->status == FWBUSEXPLORE) { 1649170374Ssimokawa mtx_unlock(&fc->wait_lock); 1650169806Ssimokawa fw_explore(fc); 1651169806Ssimokawa fc->status = FWBUSEXPDONE; 1652169806Ssimokawa if (firewire_debug) 1653169806Ssimokawa printf("bus_explore done\n"); 1654169806Ssimokawa fw_attach_dev(fc); 1655170374Ssimokawa mtx_lock(&fc->wait_lock); 1656170374Ssimokawa } 1657170374Ssimokawa msleep((void *)fc, &fc->wait_lock, PWAIT|PCATCH, "-", 0); 1658127468Ssimokawa } 1659170374Ssimokawa mtx_unlock(&fc->wait_lock); 1660169806Ssimokawa kthread_exit(0); 1661103285Sikob} 1662103285Sikob 1663103285Sikob/* 1664103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1665103285Sikob */ 1666106815Ssimokawastatic void 1667106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1668103285Sikob{ 1669120850Ssimokawa struct fw_device *fwdev, *next; 1670103285Sikob int i, err; 1671103285Sikob device_t *devlistp; 1672103285Sikob int devcnt; 1673103285Sikob struct firewire_dev_comm *fdc; 1674103285Sikob 1675120850Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1676120850Ssimokawa next = STAILQ_NEXT(fwdev, link); 1677120850Ssimokawa if (fwdev->status == FWDEVINIT) { 1678114069Ssimokawa fwdev->status = FWDEVATTACHED; 1679120850Ssimokawa } else if (fwdev->status == FWDEVINVAL) { 1680120850Ssimokawa fwdev->rcnt ++; 1681120850Ssimokawa if (fwdev->rcnt > hold_count) { 1682120850Ssimokawa /* 1683120850Ssimokawa * Remove devices which have not been seen 1684120850Ssimokawa * for a while. 1685120850Ssimokawa */ 1686120850Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, 1687120850Ssimokawa link); 1688120850Ssimokawa free(fwdev, M_FW); 1689120850Ssimokawa } 1690120850Ssimokawa } 1691120850Ssimokawa } 1692103285Sikob 1693108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1694103285Sikob if( err != 0 ) 1695103285Sikob return; 1696103285Sikob for( i = 0 ; i < devcnt ; i++){ 1697103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1698103285Sikob fdc = device_get_softc(devlistp[i]); 1699103285Sikob if (fdc->post_explore != NULL) 1700103285Sikob fdc->post_explore(fdc); 1701103285Sikob } 1702103285Sikob } 1703103285Sikob free(devlistp, M_TEMP); 1704103285Sikob 1705103285Sikob return; 1706103285Sikob} 1707106815Ssimokawa 1708103285Sikob/* 1709129541Sdfr * To allocate unique transaction label. 1710103285Sikob */ 1711106815Ssimokawastatic int 1712106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1713103285Sikob{ 1714171457Ssimokawa u_int dst, new_tlabel; 1715169119Ssimokawa struct fw_xfer *txfer; 1716103285Sikob int s; 1717103285Sikob 1718171457Ssimokawa dst = xfer->send.hdr.mode.hdr.dst & 0x3f; 1719103285Sikob s = splfw(); 1720170374Ssimokawa FW_GLOCK(fc); 1721171457Ssimokawa new_tlabel = (fc->last_tlabel[dst] + 1) & 0x3f; 1722171457Ssimokawa STAILQ_FOREACH(txfer, &fc->tlabels[new_tlabel], tlabel) 1723171457Ssimokawa if ((txfer->send.hdr.mode.hdr.dst & 0x3f) == dst) 1724120660Ssimokawa break; 1725171457Ssimokawa if(txfer == NULL) { 1726171457Ssimokawa fc->last_tlabel[dst] = new_tlabel; 1727171457Ssimokawa STAILQ_INSERT_TAIL(&fc->tlabels[new_tlabel], xfer, tlabel); 1728171457Ssimokawa FW_GUNLOCK(fc); 1729171457Ssimokawa splx(s); 1730171457Ssimokawa xfer->tl = new_tlabel; 1731171457Ssimokawa xfer->send.hdr.mode.hdr.tlrt = new_tlabel << 2; 1732171457Ssimokawa if (firewire_debug > 1) 1733171457Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", dst, new_tlabel); 1734171457Ssimokawa return (new_tlabel); 1735103285Sikob } 1736170374Ssimokawa FW_GUNLOCK(fc); 1737103285Sikob splx(s); 1738103285Sikob 1739130460Sdfr if (firewire_debug > 1) 1740130460Sdfr printf("fw_get_tlabel: no free tlabel\n"); 1741171457Ssimokawa return (-1); 1742103285Sikob} 1743106815Ssimokawa 1744113584Ssimokawastatic void 1745120660Ssimokawafw_rcv_copy(struct fw_rcv_buf *rb) 1746113584Ssimokawa{ 1747120660Ssimokawa struct fw_pkt *pkt; 1748120660Ssimokawa u_char *p; 1749120660Ssimokawa struct tcode_info *tinfo; 1750120660Ssimokawa u_int res, i, len, plen; 1751113584Ssimokawa 1752169127Ssimokawa rb->xfer->recv.spd = rb->spd; 1753120660Ssimokawa 1754120660Ssimokawa pkt = (struct fw_pkt *)rb->vec->iov_base; 1755120660Ssimokawa tinfo = &rb->fc->tcode[pkt->mode.hdr.tcode]; 1756120660Ssimokawa 1757120660Ssimokawa /* Copy header */ 1758120660Ssimokawa p = (u_char *)&rb->xfer->recv.hdr; 1759120660Ssimokawa bcopy(rb->vec->iov_base, p, tinfo->hdr_len); 1760132771Skan rb->vec->iov_base = (u_char *)rb->vec->iov_base + tinfo->hdr_len; 1761120660Ssimokawa rb->vec->iov_len -= tinfo->hdr_len; 1762120660Ssimokawa 1763120660Ssimokawa /* Copy payload */ 1764120660Ssimokawa p = (u_char *)rb->xfer->recv.payload; 1765120660Ssimokawa res = rb->xfer->recv.pay_len; 1766120660Ssimokawa 1767120660Ssimokawa /* special handling for RRESQ */ 1768120660Ssimokawa if (pkt->mode.hdr.tcode == FWTCODE_RRESQ && 1769129585Sdfr p != NULL && res >= sizeof(uint32_t)) { 1770129585Sdfr *(uint32_t *)p = pkt->mode.rresq.data; 1771129585Sdfr rb->xfer->recv.pay_len = sizeof(uint32_t); 1772120660Ssimokawa return; 1773120660Ssimokawa } 1774120660Ssimokawa 1775120660Ssimokawa if ((tinfo->flag & FWTI_BLOCK_ASY) == 0) 1776120660Ssimokawa return; 1777120660Ssimokawa 1778120660Ssimokawa plen = pkt->mode.rresb.len; 1779120660Ssimokawa 1780120660Ssimokawa for (i = 0; i < rb->nvec; i++, rb->vec++) { 1781120660Ssimokawa len = MIN(rb->vec->iov_len, plen); 1782113584Ssimokawa if (res < len) { 1783113584Ssimokawa printf("rcv buffer(%d) is %d bytes short.\n", 1784120660Ssimokawa rb->xfer->recv.pay_len, len - res); 1785113584Ssimokawa len = res; 1786113584Ssimokawa } 1787120660Ssimokawa bcopy(rb->vec->iov_base, p, len); 1788113584Ssimokawa p += len; 1789113584Ssimokawa res -= len; 1790120660Ssimokawa plen -= len; 1791120660Ssimokawa if (res == 0 || plen == 0) 1792113584Ssimokawa break; 1793113584Ssimokawa } 1794120660Ssimokawa rb->xfer->recv.pay_len -= res; 1795120660Ssimokawa 1796113584Ssimokawa} 1797113584Ssimokawa 1798103285Sikob/* 1799129541Sdfr * Generic packet receiving process. 1800103285Sikob */ 1801106815Ssimokawavoid 1802120660Ssimokawafw_rcv(struct fw_rcv_buf *rb) 1803103285Sikob{ 1804103285Sikob struct fw_pkt *fp, *resfp; 1805103285Sikob struct fw_bind *bind; 1806169130Ssimokawa int tcode; 1807113584Ssimokawa int i, len, oldstate; 1808103285Sikob#if 0 1809103285Sikob { 1810129585Sdfr uint32_t *qld; 1811103285Sikob int i; 1812129585Sdfr qld = (uint32_t *)buf; 1813103285Sikob printf("spd %d len:%d\n", spd, len); 1814103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1815103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1816103285Sikob if((i % 16) == 15) printf("\n"); 1817103285Sikob } 1818103285Sikob if((i % 16) != 15) printf("\n"); 1819103285Sikob } 1820103285Sikob#endif 1821120660Ssimokawa fp = (struct fw_pkt *)rb->vec[0].iov_base; 1822113584Ssimokawa tcode = fp->mode.common.tcode; 1823113584Ssimokawa switch (tcode) { 1824103285Sikob case FWTCODE_WRES: 1825103285Sikob case FWTCODE_RRESQ: 1826103285Sikob case FWTCODE_RRESB: 1827103285Sikob case FWTCODE_LRES: 1828120660Ssimokawa rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1829170374Ssimokawa fp->mode.hdr.tlrt >> 2, fp->mode.hdr.tcode); 1830120660Ssimokawa if(rb->xfer == NULL) { 1831103285Sikob printf("fw_rcv: unknown response " 1832124251Ssimokawa "%s(%x) src=0x%x tl=0x%x rt=%d data=0x%x\n", 1833124251Ssimokawa tcode_str[tcode], tcode, 1834124251Ssimokawa fp->mode.hdr.src, 1835124251Ssimokawa fp->mode.hdr.tlrt >> 2, 1836124251Ssimokawa fp->mode.hdr.tlrt & 3, 1837124251Ssimokawa fp->mode.rresq.data); 1838170374Ssimokawa#if 0 1839103285Sikob printf("try ad-hoc work around!!\n"); 1840120660Ssimokawa rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1841103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1842120660Ssimokawa if (rb->xfer == NULL) { 1843103285Sikob printf("no use...\n"); 1844169131Ssimokawa return; 1845103285Sikob } 1846103285Sikob#else 1847169131Ssimokawa return; 1848103285Sikob#endif 1849103285Sikob } 1850120660Ssimokawa fw_rcv_copy(rb); 1851120660Ssimokawa if (rb->xfer->recv.hdr.mode.wres.rtcode != RESP_CMP) 1852120660Ssimokawa rb->xfer->resp = EIO; 1853120660Ssimokawa else 1854120660Ssimokawa rb->xfer->resp = 0; 1855113584Ssimokawa /* make sure the packet is drained in AT queue */ 1856170374Ssimokawa oldstate = rb->xfer->flag; 1857170374Ssimokawa rb->xfer->flag = FWXF_RCVD; 1858113584Ssimokawa switch (oldstate) { 1859113584Ssimokawa case FWXF_SENT: 1860120660Ssimokawa fw_xfer_done(rb->xfer); 1861103285Sikob break; 1862113584Ssimokawa case FWXF_START: 1863119289Ssimokawa#if 0 1864113584Ssimokawa if (firewire_debug) 1865120660Ssimokawa printf("not sent yet tl=%x\n", rb->xfer->tl); 1866119289Ssimokawa#endif 1867113584Ssimokawa break; 1868103285Sikob default: 1869170374Ssimokawa printf("unexpected flag 0x%02x\n", rb->xfer->flag); 1870103285Sikob } 1871113584Ssimokawa return; 1872103285Sikob case FWTCODE_WREQQ: 1873103285Sikob case FWTCODE_WREQB: 1874103285Sikob case FWTCODE_RREQQ: 1875103285Sikob case FWTCODE_RREQB: 1876103285Sikob case FWTCODE_LREQ: 1877120660Ssimokawa bind = fw_bindlookup(rb->fc, fp->mode.rreqq.dest_hi, 1878113584Ssimokawa fp->mode.rreqq.dest_lo); 1879103285Sikob if(bind == NULL){ 1880124251Ssimokawa printf("Unknown service addr 0x%04x:0x%08x %s(%x)" 1881127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 1882127468Ssimokawa " src=0x%x data=%lx\n", 1883127468Ssimokawa#else 1884124251Ssimokawa " src=0x%x data=%x\n", 1885113962Ssimokawa#endif 1886124251Ssimokawa fp->mode.wreqq.dest_hi, fp->mode.wreqq.dest_lo, 1887124251Ssimokawa tcode_str[tcode], tcode, 1888124251Ssimokawa fp->mode.hdr.src, ntohl(fp->mode.wreqq.data)); 1889170425Ssimokawa if (rb->fc->status == FWBUSINIT) { 1890110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1891169131Ssimokawa return; 1892103285Sikob } 1893120660Ssimokawa rb->xfer = fw_xfer_alloc(M_FWXFER); 1894120660Ssimokawa if(rb->xfer == NULL){ 1895103285Sikob return; 1896103285Sikob } 1897120660Ssimokawa rb->xfer->send.spd = rb->spd; 1898120660Ssimokawa rb->xfer->send.pay_len = 0; 1899120660Ssimokawa resfp = &rb->xfer->send.hdr; 1900113584Ssimokawa switch (tcode) { 1901103285Sikob case FWTCODE_WREQQ: 1902103285Sikob case FWTCODE_WREQB: 1903103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1904103285Sikob break; 1905103285Sikob case FWTCODE_RREQQ: 1906103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1907103285Sikob break; 1908103285Sikob case FWTCODE_RREQB: 1909103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1910103285Sikob break; 1911103285Sikob case FWTCODE_LREQ: 1912103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1913103285Sikob break; 1914103285Sikob } 1915103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1916103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1917103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1918120660Ssimokawa resfp->mode.rresb.rtcode = RESP_ADDRESS_ERROR; 1919103285Sikob resfp->mode.rresb.extcode = 0; 1920103285Sikob resfp->mode.rresb.len = 0; 1921103285Sikob/* 1922170374Ssimokawa rb->xfer->hand = fw_xferwake; 1923103285Sikob*/ 1924167632Ssimokawa rb->xfer->hand = fw_xfer_free; 1925120660Ssimokawa if(fw_asyreq(rb->fc, -1, rb->xfer)){ 1926120660Ssimokawa fw_xfer_free(rb->xfer); 1927103285Sikob return; 1928103285Sikob } 1929169131Ssimokawa return; 1930103285Sikob } 1931113584Ssimokawa len = 0; 1932120660Ssimokawa for (i = 0; i < rb->nvec; i ++) 1933120660Ssimokawa len += rb->vec[i].iov_len; 1934169130Ssimokawa rb->xfer = STAILQ_FIRST(&bind->xferlist); 1935169130Ssimokawa if (rb->xfer == NULL) { 1936169131Ssimokawa#if 1 1937169130Ssimokawa printf("Discard a packet for this bind.\n"); 1938169131Ssimokawa#endif 1939169131Ssimokawa return; 1940103285Sikob } 1941169130Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1942169130Ssimokawa fw_rcv_copy(rb); 1943169130Ssimokawa rb->xfer->hand(rb->xfer); 1944169130Ssimokawa return; 1945120660Ssimokawa#if 0 /* shouldn't happen ?? or for GASP */ 1946103285Sikob case FWTCODE_STREAM: 1947103285Sikob { 1948103285Sikob struct fw_xferq *xferq; 1949103285Sikob 1950120660Ssimokawa xferq = rb->fc->ir[sub]; 1951103285Sikob#if 0 1952103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1953103285Sikob sub, len, off, spd); 1954103285Sikob#endif 1955103285Sikob if(xferq->queued >= xferq->maxq) { 1956103285Sikob printf("receive queue is full\n"); 1957169131Ssimokawa return; 1958103285Sikob } 1959113584Ssimokawa /* XXX get xfer from xfer queue, we don't need copy for 1960113584Ssimokawa per packet mode */ 1961120660Ssimokawa rb->xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */ 1962113584Ssimokawa vec[0].iov_len); 1963169131Ssimokawa if (rb->xfer == NULL) 1964169131Ssimokawa return; 1965120660Ssimokawa fw_rcv_copy(rb) 1966103285Sikob s = splfw(); 1967103285Sikob xferq->queued++; 1968120660Ssimokawa STAILQ_INSERT_TAIL(&xferq->q, rb->xfer, link); 1969103285Sikob splx(s); 1970120660Ssimokawa sc = device_get_softc(rb->fc->bdev); 1971127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 1972127468Ssimokawa if (&xferq->rsel.si_pid != 0) 1973127468Ssimokawa#else 1974103285Sikob if (SEL_WAITING(&xferq->rsel)) 1975103285Sikob#endif 1976122352Stanimura selwakeuppri(&xferq->rsel, FWPRI); 1977103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1978103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1979103285Sikob wakeup((caddr_t)xferq); 1980103285Sikob } 1981103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1982103285Sikob xferq->hand(xferq); 1983103285Sikob } 1984103285Sikob return; 1985103285Sikob break; 1986103285Sikob } 1987120660Ssimokawa#endif 1988103285Sikob default: 1989113584Ssimokawa printf("fw_rcv: unknow tcode %d\n", tcode); 1990103285Sikob break; 1991103285Sikob } 1992103285Sikob} 1993106815Ssimokawa 1994103285Sikob/* 1995103285Sikob * Post process for Bus Manager election process. 1996103285Sikob */ 1997103285Sikobstatic void 1998103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1999103285Sikob{ 2000103285Sikob struct firewire_comm *fc; 2001109422Ssimokawa int bmr; 2002103285Sikob 2003109422Ssimokawa if (xfer == NULL) 2004109422Ssimokawa return; 2005103285Sikob fc = xfer->fc; 2006109422Ssimokawa if (xfer->resp != 0) 2007103285Sikob goto error; 2008120660Ssimokawa if (xfer->recv.payload == NULL) 2009103285Sikob goto error; 2010120660Ssimokawa if (xfer->recv.hdr.mode.lres.rtcode != FWRCODE_COMPLETE) 2011103285Sikob goto error; 2012109422Ssimokawa 2013120660Ssimokawa bmr = ntohl(xfer->recv.payload[0]); 2014109422Ssimokawa if (bmr == 0x3f) 2015109422Ssimokawa bmr = fc->nodeid; 2016109422Ssimokawa 2017109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 2018120660Ssimokawa fw_xfer_free_buf(xfer); 2019114909Ssimokawa fw_bmr(fc); 2020114909Ssimokawa return; 2021114909Ssimokawa 2022103285Sikoberror: 2023114909Ssimokawa device_printf(fc->bdev, "bus manager election failed\n"); 2024120660Ssimokawa fw_xfer_free_buf(xfer); 2025103285Sikob} 2026106815Ssimokawa 2027113584Ssimokawa 2028103285Sikob/* 2029103285Sikob * To candidate Bus Manager election process. 2030103285Sikob */ 2031110270Ssimokawastatic void 2032106815Ssimokawafw_try_bmr(void *arg) 2033103285Sikob{ 2034103285Sikob struct fw_xfer *xfer; 2035103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 2036103285Sikob struct fw_pkt *fp; 2037103285Sikob int err = 0; 2038103285Sikob 2039120660Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 8, 4); 2040103285Sikob if(xfer == NULL){ 2041103285Sikob return; 2042103285Sikob } 2043120660Ssimokawa xfer->send.spd = 0; 2044103285Sikob fc->status = FWBUSMGRELECT; 2045103285Sikob 2046120660Ssimokawa fp = &xfer->send.hdr; 2047113584Ssimokawa fp->mode.lreq.dest_hi = 0xffff; 2048103285Sikob fp->mode.lreq.tlrt = 0; 2049103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2050103285Sikob fp->mode.lreq.pri = 0; 2051103285Sikob fp->mode.lreq.src = 0; 2052113584Ssimokawa fp->mode.lreq.len = 8; 2053120660Ssimokawa fp->mode.lreq.extcode = EXTCODE_CMP_SWAP; 2054120660Ssimokawa fp->mode.lreq.dst = FWLOCALBUS | fc->irm; 2055113584Ssimokawa fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID; 2056120660Ssimokawa xfer->send.payload[0] = htonl(0x3f); 2057120660Ssimokawa xfer->send.payload[1] = htonl(fc->nodeid); 2058167632Ssimokawa xfer->hand = fw_try_bmr_callback; 2059103285Sikob 2060103285Sikob err = fw_asyreq(fc, -1, xfer); 2061103285Sikob if(err){ 2062120660Ssimokawa fw_xfer_free_buf(xfer); 2063103285Sikob return; 2064103285Sikob } 2065103285Sikob return; 2066103285Sikob} 2067106543Ssimokawa 2068106543Ssimokawa#ifdef FW_VMACCESS 2069103285Sikob/* 2070103285Sikob * Software implementation for physical memory block access. 2071103285Sikob * XXX:Too slow, usef for debug purpose only. 2072103285Sikob */ 2073106815Ssimokawastatic void 2074106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2075103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2076129585Sdfr uint32_t *ld = (uint32_t *)xfer->recv.buf; 2077103285Sikob 2078113584Ssimokawa printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n", 2079113584Ssimokawa xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2080103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2081103285Sikob if(xfer->resp != 0){ 2082103285Sikob fw_xfer_free( xfer); 2083103285Sikob return; 2084103285Sikob } 2085103285Sikob if(xfer->recv.buf == NULL){ 2086103285Sikob fw_xfer_free( xfer); 2087103285Sikob return; 2088103285Sikob } 2089103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2090103285Sikob switch(rfp->mode.hdr.tcode){ 2091103285Sikob /* XXX need fix for 64bit arch */ 2092103285Sikob case FWTCODE_WREQB: 2093110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2094103285Sikob xfer->send.len = 12; 2095103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2096103285Sikob bcopy(rfp->mode.wreqb.payload, 2097103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2098103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2099103285Sikob sfp->mode.wres.rtcode = 0; 2100103285Sikob break; 2101103285Sikob case FWTCODE_WREQQ: 2102110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2103103285Sikob xfer->send.len = 12; 2104103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2105129585Sdfr *((uint32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2106103285Sikob sfp->mode.wres.rtcode = 0; 2107103285Sikob break; 2108103285Sikob case FWTCODE_RREQB: 2109110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2110103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2111103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2112103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2113129585Sdfr sfp->mode.rresb.payload, (uint16_t)ntohs(rfp->mode.rreqb.len)); 2114103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2115103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2116103285Sikob sfp->mode.rresb.rtcode = 0; 2117103285Sikob sfp->mode.rresb.extcode = 0; 2118103285Sikob break; 2119103285Sikob case FWTCODE_RREQQ: 2120110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2121103285Sikob xfer->send.len = 16; 2122103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2123129585Sdfr sfp->mode.rresq.data = *(uint32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2124103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2125103285Sikob sfp->mode.rresb.rtcode = 0; 2126103285Sikob break; 2127103285Sikob default: 2128103285Sikob fw_xfer_free( xfer); 2129103285Sikob return; 2130103285Sikob } 2131103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2132103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2133167632Ssimokawa xfer->hand = fw_xfer_free; 2134103285Sikob 2135103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2136103285Sikob sfp->mode.hdr.pri = 0; 2137103285Sikob 2138103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2139103285Sikob/**/ 2140103285Sikob return; 2141103285Sikob} 2142106543Ssimokawa#endif 2143106543Ssimokawa 2144103285Sikob/* 2145103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2146103285Sikob */ 2147129585Sdfruint16_t 2148129585Sdfrfw_crc16(uint32_t *ptr, uint32_t len){ 2149129585Sdfr uint32_t i, sum, crc = 0; 2150103285Sikob int shift; 2151103285Sikob len = (len + 3) & ~3; 2152103285Sikob for(i = 0 ; i < len ; i+= 4){ 2153103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2154103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2155103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2156103285Sikob } 2157103285Sikob crc &= 0xffff; 2158103285Sikob } 2159129585Sdfr return((uint16_t) crc); 2160103285Sikob} 2161106815Ssimokawa 2162110270Ssimokawastatic int 2163110072Ssimokawafw_bmr(struct firewire_comm *fc) 2164110072Ssimokawa{ 2165110072Ssimokawa struct fw_device fwdev; 2166113584Ssimokawa union fw_self_id *self_id; 2167110072Ssimokawa int cmstr; 2168129585Sdfr uint32_t quad; 2169110072Ssimokawa 2170113584Ssimokawa /* Check to see if the current root node is cycle master capable */ 2171129274Sdfr self_id = fw_find_self_id(fc, fc->max_node); 2172113584Ssimokawa if (fc->max_node > 0) { 2173114909Ssimokawa /* XXX check cmc bit of businfo block rather than contender */ 2174114909Ssimokawa if (self_id->p0.link_active && self_id->p0.contender) 2175113584Ssimokawa cmstr = fc->max_node; 2176114909Ssimokawa else { 2177114909Ssimokawa device_printf(fc->bdev, 2178114909Ssimokawa "root node is not cycle master capable\n"); 2179114909Ssimokawa /* XXX shall we be the cycle master? */ 2180113584Ssimokawa cmstr = fc->nodeid; 2181114909Ssimokawa /* XXX need bus reset */ 2182114909Ssimokawa } 2183113584Ssimokawa } else 2184113584Ssimokawa cmstr = -1; 2185114909Ssimokawa 2186114909Ssimokawa device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID)); 2187114909Ssimokawa if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) { 2188114909Ssimokawa /* We are not the bus manager */ 2189114909Ssimokawa printf("\n"); 2190114909Ssimokawa return(0); 2191114909Ssimokawa } 2192114909Ssimokawa printf("(me)\n"); 2193114909Ssimokawa 2194114909Ssimokawa /* Optimize gapcount */ 2195113584Ssimokawa if(fc->max_hop <= MAX_GAPHOP ) 2196113584Ssimokawa fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]); 2197110072Ssimokawa /* If we are the cycle master, nothing to do */ 2198113584Ssimokawa if (cmstr == fc->nodeid || cmstr == -1) 2199110072Ssimokawa return 0; 2200110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2201110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2202110072Ssimokawa fwdev.fc = fc; 2203110072Ssimokawa fwdev.dst = cmstr; 2204110072Ssimokawa fwdev.speed = 0; 2205110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2206110072Ssimokawa fwdev.status = FWDEVINIT; 2207110072Ssimokawa /* Set cmstr bit on the cycle master */ 2208120660Ssimokawa quad = htonl(1 << 8); 2209110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2210120660Ssimokawa 0xffff, 0xf0000000 | STATE_SET, &quad, fw_asy_callback_free); 2211110072Ssimokawa 2212110072Ssimokawa return 0; 2213110072Ssimokawa} 2214110072Ssimokawa 2215170374Ssimokawaint 2216170374Ssimokawafw_open_isodma(struct firewire_comm *fc, int tx) 2217170374Ssimokawa{ 2218170374Ssimokawa struct fw_xferq **xferqa; 2219170374Ssimokawa struct fw_xferq *xferq; 2220170374Ssimokawa int i; 2221170374Ssimokawa 2222170374Ssimokawa if (tx) 2223170374Ssimokawa xferqa = &fc->it[0]; 2224170374Ssimokawa else 2225170374Ssimokawa xferqa = &fc->ir[0]; 2226170374Ssimokawa 2227170374Ssimokawa FW_GLOCK(fc); 2228170374Ssimokawa for (i = 0; i < fc->nisodma; i ++) { 2229170374Ssimokawa xferq = xferqa[i]; 2230170374Ssimokawa if ((xferq->flag & FWXFERQ_OPEN) == 0) { 2231170374Ssimokawa xferq->flag |= FWXFERQ_OPEN; 2232170374Ssimokawa break; 2233170374Ssimokawa } 2234170374Ssimokawa } 2235170374Ssimokawa if (i == fc->nisodma) { 2236170374Ssimokawa printf("no free dma channel (tx=%d)\n", tx); 2237170374Ssimokawa i = -1; 2238170374Ssimokawa } 2239170374Ssimokawa FW_GUNLOCK(fc); 2240170374Ssimokawa return (i); 2241170374Ssimokawa} 2242170374Ssimokawa 2243118455Ssimokawastatic int 2244118455Ssimokawafw_modevent(module_t mode, int type, void *data) 2245118455Ssimokawa{ 2246118455Ssimokawa int err = 0; 2247127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2248118455Ssimokawa static eventhandler_tag fwdev_ehtag = NULL; 2249118455Ssimokawa#endif 2250118455Ssimokawa 2251118455Ssimokawa switch (type) { 2252118455Ssimokawa case MOD_LOAD: 2253127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2254118455Ssimokawa fwdev_ehtag = EVENTHANDLER_REGISTER(dev_clone, 2255118455Ssimokawa fwdev_clone, 0, 1000); 2256118455Ssimokawa#endif 2257118455Ssimokawa break; 2258118455Ssimokawa case MOD_UNLOAD: 2259127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2260118455Ssimokawa if (fwdev_ehtag != NULL) 2261118455Ssimokawa EVENTHANDLER_DEREGISTER(dev_clone, fwdev_ehtag); 2262118455Ssimokawa#endif 2263118455Ssimokawa break; 2264118455Ssimokawa case MOD_SHUTDOWN: 2265118455Ssimokawa break; 2266132199Sphk default: 2267132199Sphk return (EOPNOTSUPP); 2268118455Ssimokawa } 2269118455Ssimokawa return (err); 2270118455Ssimokawa} 2271118455Ssimokawa 2272118455Ssimokawa 2273127468Ssimokawa#ifdef __DragonFly__ 2274127468SsimokawaDECLARE_DUMMY_MODULE(firewire); 2275127468Ssimokawa#endif 2276118455SsimokawaDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,fw_modevent,0); 2277103285SikobMODULE_VERSION(firewire, 1); 2278