firewire.c revision 124145
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 124145 2004-01-05 14:21:18Z simokawa $ 35103285Sikob * 36103285Sikob */ 37103285Sikob 38103285Sikob#include <sys/param.h> 39103285Sikob#include <sys/systm.h> 40103285Sikob#include <sys/types.h> 41103285Sikob 42103285Sikob#include <sys/kernel.h> 43103285Sikob#include <sys/malloc.h> 44103285Sikob#include <sys/conf.h> 45103285Sikob#include <sys/sysctl.h> 46103285Sikob 47117067Ssimokawa#if __FreeBSD_version < 500000 48117067Ssimokawa#include <machine/clock.h> /* for DELAY() */ 49117067Ssimokawa#endif 50103285Sikob 51103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 52113584Ssimokawa#include <machine/bus.h> 53103285Sikob 54103285Sikob#include <dev/firewire/firewire.h> 55103285Sikob#include <dev/firewire/firewirereg.h> 56110072Ssimokawa#include <dev/firewire/fwmem.h> 57103285Sikob#include <dev/firewire/iec13213.h> 58103285Sikob#include <dev/firewire/iec68113.h> 59103285Sikob 60116376Ssimokawastruct crom_src_buf { 61116376Ssimokawa struct crom_src src; 62116376Ssimokawa struct crom_chunk root; 63116376Ssimokawa struct crom_chunk vendor; 64116376Ssimokawa struct crom_chunk hw; 65116376Ssimokawa}; 66116376Ssimokawa 67120850Ssimokawaint firewire_debug=0, try_bmr=1, hold_count=3; 68103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 69108281Ssimokawa "FireWire driver debug flag"); 70109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 71109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 72109736Ssimokawa "Try to be a bus manager"); 73120850SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, hold_count, CTLFLAG_RW, &hold_count, 0, 74120850Ssimokawa "Number of count of bus resets for removing lost device information"); 75103285Sikob 76110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 77110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 78110195Ssimokawa 79103285Sikob#define FW_MAXASYRTY 4 80103285Sikob 81103285Sikobdevclass_t firewire_devclass; 82103285Sikob 83103285Sikobstatic int firewire_match __P((device_t)); 84103285Sikobstatic int firewire_attach __P((device_t)); 85103285Sikobstatic int firewire_detach __P((device_t)); 86116978Ssimokawastatic int firewire_resume __P((device_t)); 87103285Sikob#if 0 88103285Sikobstatic int firewire_shutdown __P((device_t)); 89103285Sikob#endif 90103285Sikobstatic device_t firewire_add_child __P((device_t, int, const char *, int)); 91103285Sikobstatic void fw_try_bmr __P((void *)); 92103285Sikobstatic void fw_try_bmr_callback __P((struct fw_xfer *)); 93103285Sikobstatic void fw_asystart __P((struct fw_xfer *)); 94103285Sikobstatic int fw_get_tlabel __P((struct firewire_comm *, struct fw_xfer *)); 95103285Sikobstatic void fw_bus_probe __P((struct firewire_comm *)); 96103285Sikobstatic void fw_bus_explore __P((struct firewire_comm *)); 97103285Sikobstatic void fw_bus_explore_callback __P((struct fw_xfer *)); 98103285Sikobstatic void fw_attach_dev __P((struct firewire_comm *)); 99106543Ssimokawa#ifdef FW_VMACCESS 100103285Sikobstatic void fw_vmaccess __P((struct fw_xfer *)); 101106543Ssimokawa#endif 102103285Sikobstruct fw_xfer *asyreqq __P((struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t, 103105620Ssimokawa u_int32_t, u_int32_t, void (*)__P((struct fw_xfer *)))); 104110072Ssimokawastatic int fw_bmr __P((struct firewire_comm *)); 105103285Sikob 106103285Sikobstatic device_method_t firewire_methods[] = { 107103285Sikob /* Device interface */ 108103285Sikob DEVMETHOD(device_probe, firewire_match), 109103285Sikob DEVMETHOD(device_attach, firewire_attach), 110103285Sikob DEVMETHOD(device_detach, firewire_detach), 111108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 112116978Ssimokawa DEVMETHOD(device_resume, firewire_resume), 113103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 114103285Sikob 115103285Sikob /* Bus interface */ 116103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 117103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 118103285Sikob 119103285Sikob { 0, 0 } 120103285Sikob}; 121103285Sikobchar linkspeed[7][0x10]={"S100","S200","S400","S800","S1600","S3200","Unknown"}; 122103285Sikob 123114909Ssimokawa/* IEEE-1394a Table C-2 Gap count as a function of hops*/ 124114909Ssimokawa#define MAX_GAPHOP 15 125114909Ssimokawau_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18, 126114909Ssimokawa 21, 24, 26, 29, 32, 35, 37, 40}; 127106813Ssimokawa 128103285Sikobstatic driver_t firewire_driver = { 129103285Sikob "firewire", 130103285Sikob firewire_methods, 131103285Sikob sizeof(struct firewire_softc), 132103285Sikob}; 133103285Sikob 134103285Sikob/* 135110072Ssimokawa * Lookup fwdev by node id. 136103285Sikob */ 137106810Ssimokawastruct fw_device * 138110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 139103285Sikob{ 140103285Sikob struct fw_device *fwdev; 141110072Ssimokawa int s; 142110072Ssimokawa 143110072Ssimokawa s = splfw(); 144110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 145120660Ssimokawa if (fwdev->dst == dst && fwdev->status != FWDEVINVAL) 146103285Sikob break; 147110072Ssimokawa splx(s); 148110072Ssimokawa 149106810Ssimokawa return fwdev; 150103285Sikob} 151106813Ssimokawa 152103285Sikob/* 153110072Ssimokawa * Lookup fwdev by EUI64. 154110072Ssimokawa */ 155110072Ssimokawastruct fw_device * 156110582Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 157110072Ssimokawa{ 158110072Ssimokawa struct fw_device *fwdev; 159110072Ssimokawa int s; 160110072Ssimokawa 161110072Ssimokawa s = splfw(); 162110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 163110582Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 164110072Ssimokawa break; 165110072Ssimokawa splx(s); 166110072Ssimokawa 167110072Ssimokawa if(fwdev == NULL) return NULL; 168110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 169110072Ssimokawa return fwdev; 170110072Ssimokawa} 171110072Ssimokawa 172110072Ssimokawa/* 173103285Sikob * Async. request procedure for userland application. 174103285Sikob */ 175103285Sikobint 176103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 177103285Sikob{ 178103285Sikob int err = 0; 179103285Sikob struct fw_xferq *xferq; 180103285Sikob int tl = 0, len; 181103285Sikob struct fw_pkt *fp; 182103285Sikob int tcode; 183103285Sikob struct tcode_info *info; 184103285Sikob 185103285Sikob if(xfer == NULL) return EINVAL; 186103285Sikob if(xfer->act.hand == NULL){ 187103285Sikob printf("act.hand == NULL\n"); 188103285Sikob return EINVAL; 189103285Sikob } 190120660Ssimokawa fp = &xfer->send.hdr; 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; 203120660Ssimokawa if (xfer->send.pay_len > MAXREC(fc->maxrec)) { 204120660Ssimokawa printf("send.pay_len > maxrec\n"); 205120660Ssimokawa return EINVAL; 206120660Ssimokawa } 207103285Sikob if (info->flag & FWTI_BLOCK_STR) 208120660Ssimokawa len = fp->mode.stream.len; 209103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 210120660Ssimokawa len = fp->mode.rresb.len; 211120660Ssimokawa else 212120660Ssimokawa len = 0; 213120660Ssimokawa if (len != xfer->send.pay_len){ 214120660Ssimokawa printf("len(%d) != send.pay_len(%d) (tcode=%d)\n", 215120660Ssimokawa len, xfer->send.pay_len, tcode); 216103285Sikob return EINVAL; 217103285Sikob } 218106790Ssimokawa 219103285Sikob if(xferq->start == NULL){ 220103285Sikob printf("xferq->start == NULL\n"); 221103285Sikob return EINVAL; 222103285Sikob } 223103285Sikob if(!(xferq->queued < xferq->maxq)){ 224108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 225108655Ssimokawa xferq->queued); 226103285Sikob return EINVAL; 227103285Sikob } 228103285Sikob 229120660Ssimokawa microtime(&xfer->tv); 230103285Sikob if (info->flag & FWTI_TLABEL) { 231103285Sikob if((tl = fw_get_tlabel(fc, xfer)) == -1 ) 232103285Sikob return EIO; 233103285Sikob fp->mode.hdr.tlrt = tl << 2; 234103285Sikob } 235103285Sikob 236103285Sikob xfer->tl = tl; 237103285Sikob xfer->resp = 0; 238103285Sikob xfer->fc = fc; 239103285Sikob xfer->q = xferq; 240103285Sikob xfer->retry_req = fw_asybusy; 241103285Sikob 242103285Sikob fw_asystart(xfer); 243103285Sikob return err; 244103285Sikob} 245103285Sikob/* 246103285Sikob * Wakeup blocked process. 247103285Sikob */ 248103285Sikobvoid 249103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 250103285Sikob wakeup(xfer); 251103285Sikob return; 252103285Sikob} 253103285Sikob/* 254103285Sikob * Postpone to later retry. 255103285Sikob */ 256103285Sikobvoid fw_asybusy(struct fw_xfer *xfer){ 257103285Sikob printf("fw_asybusy\n"); 258103285Sikob/* 259103285Sikob xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 260103285Sikob*/ 261124145Ssimokawa#if 0 262103285Sikob DELAY(20000); 263124145Ssimokawa#endif 264103285Sikob fw_asystart(xfer); 265103285Sikob return; 266103285Sikob} 267103285Sikob 268103285Sikob/* 269103285Sikob * Async. request with given xfer structure. 270103285Sikob */ 271106790Ssimokawastatic void 272106790Ssimokawafw_asystart(struct fw_xfer *xfer) 273106790Ssimokawa{ 274103285Sikob struct firewire_comm *fc = xfer->fc; 275103285Sikob int s; 276103285Sikob if(xfer->retry++ >= fc->max_asyretry){ 277113584Ssimokawa device_printf(fc->bdev, "max_asyretry exceeded\n"); 278103285Sikob xfer->resp = EBUSY; 279103285Sikob xfer->state = FWXF_BUSY; 280103285Sikob xfer->act.hand(xfer); 281103285Sikob return; 282103285Sikob } 283103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 284103285Sikob if (fc->status < FWBUSEXPLORE) { 285103285Sikob xfer->resp = EAGAIN; 286103285Sikob xfer->state = FWXF_BUSY; 287103285Sikob if (xfer->act.hand != NULL) 288103285Sikob xfer->act.hand(xfer); 289103285Sikob return; 290103285Sikob } 291103285Sikob#endif 292103285Sikob s = splfw(); 293103285Sikob xfer->state = FWXF_INQ; 294103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 295103285Sikob xfer->q->queued ++; 296103285Sikob splx(s); 297103285Sikob /* XXX just queue for mbuf */ 298103285Sikob if (xfer->mbuf == NULL) 299103285Sikob xfer->q->start(fc); 300103285Sikob return; 301103285Sikob} 302106790Ssimokawa 303103285Sikobstatic int 304103285Sikobfirewire_match( device_t dev ) 305103285Sikob{ 306108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 307103285Sikob return -140; 308103285Sikob} 309106790Ssimokawa 310110577Ssimokawastatic void 311110577Ssimokawafirewire_xfer_timeout(struct firewire_comm *fc) 312110577Ssimokawa{ 313110577Ssimokawa struct fw_xfer *xfer; 314110577Ssimokawa struct tlabel *tl; 315110577Ssimokawa struct timeval tv; 316110577Ssimokawa struct timeval split_timeout; 317111040Ssimokawa int i, s; 318110577Ssimokawa 319120660Ssimokawa split_timeout.tv_sec = 0; 320120660Ssimokawa split_timeout.tv_usec = 200 * 1000; /* 200 msec */ 321110577Ssimokawa 322110577Ssimokawa microtime(&tv); 323110577Ssimokawa timevalsub(&tv, &split_timeout); 324110577Ssimokawa 325111040Ssimokawa s = splfw(); 326110577Ssimokawa for (i = 0; i < 0x40; i ++) { 327110577Ssimokawa while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 328110577Ssimokawa xfer = tl->xfer; 329110577Ssimokawa if (timevalcmp(&xfer->tv, &tv, >)) 330110577Ssimokawa /* the rests are newer than this */ 331110577Ssimokawa break; 332124145Ssimokawa if (xfer->state == FWXF_START) 333124145Ssimokawa /* not sent yet */ 334124145Ssimokawa break; 335110577Ssimokawa device_printf(fc->bdev, 336117716Ssimokawa "split transaction timeout dst=0x%x tl=0x%x state=%d\n", 337120660Ssimokawa xfer->send.hdr.mode.hdr.dst, i, xfer->state); 338110577Ssimokawa xfer->resp = ETIMEDOUT; 339110577Ssimokawa STAILQ_REMOVE_HEAD(&fc->tlabels[i], link); 340113584Ssimokawa fw_xfer_done(xfer); 341110577Ssimokawa } 342110577Ssimokawa } 343111040Ssimokawa splx(s); 344110577Ssimokawa} 345110577Ssimokawa 346121463Ssimokawa#define WATCHDOC_HZ 10 347110577Ssimokawastatic void 348110577Ssimokawafirewire_watchdog(void *arg) 349110577Ssimokawa{ 350110577Ssimokawa struct firewire_comm *fc; 351121463Ssimokawa static int watchdoc_clock = 0; 352110577Ssimokawa 353110577Ssimokawa fc = (struct firewire_comm *)arg; 354121463Ssimokawa 355121463Ssimokawa /* 356121463Ssimokawa * At boot stage, the device interrupt is disabled and 357121463Ssimokawa * We encounter a timeout easily. To avoid this, 358121463Ssimokawa * ignore clock interrupt for a while. 359121463Ssimokawa */ 360121463Ssimokawa if (watchdoc_clock > WATCHDOC_HZ * 15) { 361121463Ssimokawa firewire_xfer_timeout(fc); 362121463Ssimokawa fc->timeout(fc); 363121463Ssimokawa } else 364121463Ssimokawa watchdoc_clock ++; 365121463Ssimokawa 366121463Ssimokawa callout_reset(&fc->timeout_callout, hz / WATCHDOC_HZ, 367110577Ssimokawa (void *)firewire_watchdog, (void *)fc); 368110577Ssimokawa} 369110577Ssimokawa 370103285Sikob/* 371103285Sikob * The attach routine. 372103285Sikob */ 373103285Sikobstatic int 374118455Ssimokawafirewire_attach(device_t dev) 375103285Sikob{ 376118455Ssimokawa int unit; 377103285Sikob struct firewire_softc *sc = device_get_softc(dev); 378103285Sikob device_t pa = device_get_parent(dev); 379103285Sikob struct firewire_comm *fc; 380103285Sikob 381103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 382103285Sikob sc->fc = fc; 383116978Ssimokawa fc->status = FWBUSNOTREADY; 384103285Sikob 385118455Ssimokawa unit = device_get_unit(dev); 386118455Ssimokawa if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 387103285Sikob 388118455Ssimokawa fwdev_makedev(sc); 389118455Ssimokawa 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 429116978Ssimokawastatic int 430116978Ssimokawafirewire_resume(device_t dev) 431116978Ssimokawa{ 432116978Ssimokawa struct firewire_softc *sc; 433116978Ssimokawa 434116978Ssimokawa sc = (struct firewire_softc *)device_get_softc(dev); 435116978Ssimokawa sc->fc->status = FWBUSNOTREADY; 436116978Ssimokawa 437116978Ssimokawa bus_generic_resume(dev); 438116978Ssimokawa 439116978Ssimokawa return(0); 440116978Ssimokawa} 441116978Ssimokawa 442103285Sikob/* 443103285Sikob * Dettach it. 444103285Sikob */ 445103285Sikobstatic int 446118455Ssimokawafirewire_detach(device_t dev) 447103285Sikob{ 448103285Sikob struct firewire_softc *sc; 449111074Ssimokawa struct csrdir *csrd, *next; 450111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 451118455Ssimokawa int err; 452103285Sikob 453103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 454118455Ssimokawa if ((err = fwdev_destroydev(sc)) != 0) 455118455Ssimokawa return err; 456106790Ssimokawa 457118455Ssimokawa if ((err = bus_generic_detach(dev)) != 0) 458118455Ssimokawa return err; 459111078Ssimokawa 460111078Ssimokawa callout_stop(&sc->fc->timeout_callout); 461111078Ssimokawa callout_stop(&sc->fc->bmr_callout); 462111078Ssimokawa callout_stop(&sc->fc->retry_probe_callout); 463111078Ssimokawa callout_stop(&sc->fc->busprobe_callout); 464111078Ssimokawa 465103285Sikob /* XXX xfree_free and untimeout on all xfers */ 466111078Ssimokawa for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 467111078Ssimokawa fwdev = fwdev_next) { 468111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 469111078Ssimokawa free(fwdev, M_FW); 470111078Ssimokawa } 471111074Ssimokawa for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 472111074Ssimokawa next = SLIST_NEXT(csrd, link); 473111074Ssimokawa free(csrd, M_FW); 474111074Ssimokawa } 475110195Ssimokawa free(sc->fc->topology_map, M_FW); 476110195Ssimokawa free(sc->fc->speed_map, M_FW); 477116376Ssimokawa free(sc->fc->crom_src_buf, M_FW); 478103285Sikob return(0); 479103285Sikob} 480103285Sikob#if 0 481103285Sikobstatic int 482103285Sikobfirewire_shutdown( device_t dev ) 483103285Sikob{ 484103285Sikob return 0; 485103285Sikob} 486103285Sikob#endif 487106790Ssimokawa 488110577Ssimokawa 489110577Ssimokawastatic void 490110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 491110577Ssimokawa{ 492110577Ssimokawa struct fw_xfer *xfer; 493110577Ssimokawa 494110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 495110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 496111942Ssimokawa xferq->queued --; 497110577Ssimokawa xfer->resp = EAGAIN; 498113584Ssimokawa fw_xfer_done(xfer); 499110577Ssimokawa } 500110577Ssimokawa} 501110577Ssimokawa 502110798Ssimokawavoid 503110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 504110798Ssimokawa{ 505110798Ssimokawa int i; 506110798Ssimokawa 507110798Ssimokawa fw_xferq_drain(fc->atq); 508110798Ssimokawa fw_xferq_drain(fc->ats); 509110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 510110798Ssimokawa fw_xferq_drain(fc->it[i]); 511110798Ssimokawa} 512110798Ssimokawa 513116376Ssimokawastatic void 514116376Ssimokawafw_reset_csr(struct firewire_comm *fc) 515103285Sikob{ 516103285Sikob int i; 517103285Sikob 518103285Sikob CSRARC(fc, STATE_CLEAR) 519103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 520103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 521103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 522103285Sikob 523103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 524103285Sikob fc->irm = -1; 525103285Sikob 526103285Sikob fc->max_node = -1; 527103285Sikob 528103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 529103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 530103285Sikob } 531103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 532103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 533103285Sikob CSRARC(fc, RESET_START) = 0; 534103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 535103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 536103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 537103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 538103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 539103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 540103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 541103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 542103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 543103285Sikob 544103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 545103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 546103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 547103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 548103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 549103285Sikob 550103285Sikob/* DV depend CSRs see blue book */ 551103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 552103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 553103285Sikob 554103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 555103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 556116376Ssimokawa} 557113584Ssimokawa 558116376Ssimokawastatic void 559116376Ssimokawafw_init_crom(struct firewire_comm *fc) 560116376Ssimokawa{ 561116376Ssimokawa struct crom_src *src; 562116376Ssimokawa 563116376Ssimokawa fc->crom_src_buf = (struct crom_src_buf *) 564116376Ssimokawa malloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO); 565116376Ssimokawa if (fc->crom_src_buf == NULL) 566116376Ssimokawa return; 567116376Ssimokawa 568116376Ssimokawa src = &fc->crom_src_buf->src; 569116376Ssimokawa bzero(src, sizeof(struct crom_src)); 570116376Ssimokawa 571116376Ssimokawa /* BUS info sample */ 572116376Ssimokawa src->hdr.info_len = 4; 573116376Ssimokawa 574116376Ssimokawa src->businfo.bus_name = CSR_BUS_NAME_IEEE1394; 575116376Ssimokawa 576116376Ssimokawa src->businfo.irmc = 1; 577116376Ssimokawa src->businfo.cmc = 1; 578116376Ssimokawa src->businfo.isc = 1; 579116376Ssimokawa src->businfo.bmc = 1; 580116376Ssimokawa src->businfo.pmc = 0; 581116376Ssimokawa src->businfo.cyc_clk_acc = 100; 582116376Ssimokawa src->businfo.max_rec = fc->maxrec; 583116376Ssimokawa src->businfo.max_rom = MAXROM_4; 584117350Ssimokawa src->businfo.generation = 1; 585116376Ssimokawa src->businfo.link_spd = fc->speed; 586116376Ssimokawa 587116376Ssimokawa src->businfo.eui64.hi = fc->eui.hi; 588116376Ssimokawa src->businfo.eui64.lo = fc->eui.lo; 589116376Ssimokawa 590116376Ssimokawa STAILQ_INIT(&src->chunk_list); 591116376Ssimokawa 592116376Ssimokawa fc->crom_src = src; 593116376Ssimokawa fc->crom_root = &fc->crom_src_buf->root; 594116376Ssimokawa} 595116376Ssimokawa 596116376Ssimokawastatic void 597116376Ssimokawafw_reset_crom(struct firewire_comm *fc) 598116376Ssimokawa{ 599116376Ssimokawa struct crom_src_buf *buf; 600116376Ssimokawa struct crom_src *src; 601116376Ssimokawa struct crom_chunk *root; 602116376Ssimokawa 603116376Ssimokawa if (fc->crom_src_buf == NULL) 604116376Ssimokawa fw_init_crom(fc); 605116376Ssimokawa 606116376Ssimokawa buf = fc->crom_src_buf; 607116376Ssimokawa src = fc->crom_src; 608116376Ssimokawa root = fc->crom_root; 609116376Ssimokawa 610116376Ssimokawa STAILQ_INIT(&src->chunk_list); 611116376Ssimokawa 612116376Ssimokawa bzero(root, sizeof(struct crom_chunk)); 613116376Ssimokawa crom_add_chunk(src, NULL, root, 0); 614116376Ssimokawa crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */ 615116376Ssimokawa /* private company_id */ 616116376Ssimokawa crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE); 617116376Ssimokawa crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project"); 618116376Ssimokawa crom_add_entry(root, CSRKEY_HW, __FreeBSD_version); 619116376Ssimokawa crom_add_simple_text(src, root, &buf->hw, hostname); 620116376Ssimokawa} 621116376Ssimokawa 622116376Ssimokawa/* 623116376Ssimokawa * Called after bus reset. 624116376Ssimokawa */ 625116376Ssimokawavoid 626116376Ssimokawafw_busreset(struct firewire_comm *fc) 627116376Ssimokawa{ 628116376Ssimokawa struct firewire_dev_comm *fdc; 629117350Ssimokawa struct crom_src *src; 630116376Ssimokawa device_t *devlistp; 631117350Ssimokawa void *newrom; 632116376Ssimokawa int i, devcnt; 633116376Ssimokawa 634116376Ssimokawa switch(fc->status){ 635116376Ssimokawa case FWBUSMGRELECT: 636116376Ssimokawa callout_stop(&fc->bmr_callout); 637116376Ssimokawa break; 638116376Ssimokawa default: 639116376Ssimokawa break; 640116376Ssimokawa } 641116376Ssimokawa fc->status = FWBUSRESET; 642116376Ssimokawa fw_reset_csr(fc); 643116376Ssimokawa fw_reset_crom(fc); 644116376Ssimokawa 645113584Ssimokawa if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) { 646113584Ssimokawa for( i = 0 ; i < devcnt ; i++) 647113584Ssimokawa if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 648113584Ssimokawa fdc = device_get_softc(devlistp[i]); 649113584Ssimokawa if (fdc->post_busreset != NULL) 650113584Ssimokawa fdc->post_busreset(fdc); 651113584Ssimokawa } 652113584Ssimokawa free(devlistp, M_TEMP); 653113584Ssimokawa } 654116376Ssimokawa 655117350Ssimokawa newrom = malloc(CROMSIZE, M_FW, M_NOWAIT | M_ZERO); 656117350Ssimokawa src = &fc->crom_src_buf->src; 657117350Ssimokawa crom_load(src, (u_int32_t *)newrom, CROMSIZE); 658117350Ssimokawa if (bcmp(newrom, fc->config_rom, CROMSIZE) != 0) { 659117350Ssimokawa /* bump generation and reload */ 660117350Ssimokawa src->businfo.generation ++; 661117350Ssimokawa /* generation must be between 0x2 and 0xF */ 662117350Ssimokawa if (src->businfo.generation < 2) 663117350Ssimokawa src->businfo.generation ++; 664117350Ssimokawa crom_load(src, (u_int32_t *)newrom, CROMSIZE); 665117350Ssimokawa bcopy(newrom, (void *)fc->config_rom, CROMSIZE); 666117350Ssimokawa } 667117350Ssimokawa free(newrom, M_FW); 668103285Sikob} 669106790Ssimokawa 670103285Sikob/* Call once after reboot */ 671106790Ssimokawavoid fw_init(struct firewire_comm *fc) 672103285Sikob{ 673103285Sikob int i; 674106543Ssimokawa struct csrdir *csrd; 675106543Ssimokawa#ifdef FW_VMACCESS 676103285Sikob struct fw_xfer *xfer; 677103285Sikob struct fw_bind *fwb; 678106543Ssimokawa#endif 679103285Sikob 680103285Sikob fc->max_asyretry = FW_MAXASYRTY; 681103285Sikob 682103285Sikob fc->arq->queued = 0; 683103285Sikob fc->ars->queued = 0; 684103285Sikob fc->atq->queued = 0; 685103285Sikob fc->ats->queued = 0; 686103285Sikob 687103285Sikob fc->arq->buf = NULL; 688103285Sikob fc->ars->buf = NULL; 689103285Sikob fc->atq->buf = NULL; 690103285Sikob fc->ats->buf = NULL; 691103285Sikob 692113584Ssimokawa fc->arq->flag = 0; 693113584Ssimokawa fc->ars->flag = 0; 694113584Ssimokawa fc->atq->flag = 0; 695113584Ssimokawa fc->ats->flag = 0; 696103285Sikob 697103285Sikob STAILQ_INIT(&fc->atq->q); 698103285Sikob STAILQ_INIT(&fc->ats->q); 699103285Sikob 700103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 701103285Sikob fc->it[i]->queued = 0; 702103285Sikob fc->ir[i]->queued = 0; 703103285Sikob 704103285Sikob fc->it[i]->start = NULL; 705103285Sikob fc->ir[i]->start = NULL; 706103285Sikob 707103285Sikob fc->it[i]->buf = NULL; 708103285Sikob fc->ir[i]->buf = NULL; 709103285Sikob 710103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 711103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 712103285Sikob 713103285Sikob STAILQ_INIT(&fc->it[i]->q); 714103285Sikob STAILQ_INIT(&fc->ir[i]->q); 715103285Sikob 716103285Sikob STAILQ_INIT(&fc->it[i]->binds); 717103285Sikob STAILQ_INIT(&fc->ir[i]->binds); 718103285Sikob } 719103285Sikob 720103285Sikob fc->arq->maxq = FWMAXQUEUE; 721103285Sikob fc->ars->maxq = FWMAXQUEUE; 722103285Sikob fc->atq->maxq = FWMAXQUEUE; 723103285Sikob fc->ats->maxq = FWMAXQUEUE; 724103285Sikob 725103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 726103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 727103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 728103285Sikob } 729103285Sikob/* Initialize csr registers */ 730103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 731103285Sikob sizeof(struct fw_topology_map), 732110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 733103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 734103285Sikob sizeof(struct fw_speed_map), 735110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 736103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 737103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 738103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 739103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 740103285Sikob 741110193Ssimokawa STAILQ_INIT(&fc->devices); 742103285Sikob 743103285Sikob/* Initialize csr ROM work space */ 744103285Sikob SLIST_INIT(&fc->ongocsr); 745103285Sikob SLIST_INIT(&fc->csrfree); 746103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 747110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 748103285Sikob if(csrd == NULL) break; 749103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 750103285Sikob } 751103285Sikob 752103285Sikob/* Initialize Async handlers */ 753103285Sikob STAILQ_INIT(&fc->binds); 754103285Sikob for( i = 0 ; i < 0x40 ; i++){ 755103285Sikob STAILQ_INIT(&fc->tlabels[i]); 756103285Sikob } 757103285Sikob 758103285Sikob/* DV depend CSRs see blue book */ 759103285Sikob#if 0 760103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 761103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 762103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 763103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 764103285Sikob } 765103285Sikob 766103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 767103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 768103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 769103285Sikob CSRARC(fc, i + iPCR) = 0x0; 770103285Sikob } 771103285Sikob#endif 772103285Sikob 773116376Ssimokawa fc->crom_src_buf = NULL; 774103285Sikob 775106543Ssimokawa#ifdef FW_VMACCESS 776103285Sikob xfer = fw_xfer_alloc(); 777103285Sikob if(xfer == NULL) return; 778103285Sikob 779110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 780103285Sikob if(fwb == NULL){ 781103285Sikob fw_xfer_free(xfer); 782103285Sikob } 783103285Sikob xfer->act.hand = fw_vmaccess; 784103285Sikob xfer->fc = fc; 785103285Sikob xfer->sc = NULL; 786103285Sikob 787103285Sikob fwb->start_hi = 0x2; 788103285Sikob fwb->start_lo = 0; 789103285Sikob fwb->addrlen = 0xffffffff; 790103285Sikob fwb->xfer = xfer; 791103285Sikob fw_bindadd(fc, fwb); 792106543Ssimokawa#endif 793103285Sikob} 794106790Ssimokawa 795120660Ssimokawa#define BIND_CMP(addr, fwb) (((addr) < (fwb)->start)?-1:\ 796120660Ssimokawa ((fwb)->end < (addr))?1:0) 797120660Ssimokawa 798103285Sikob/* 799103285Sikob * To lookup binded process from IEEE1394 address. 800103285Sikob */ 801106813Ssimokawastruct fw_bind * 802120660Ssimokawafw_bindlookup(struct firewire_comm *fc, u_int16_t dest_hi, u_int32_t dest_lo) 803103285Sikob{ 804120660Ssimokawa u_int64_t addr; 805103285Sikob struct fw_bind *tfw; 806120660Ssimokawa 807120660Ssimokawa addr = ((u_int64_t)dest_hi << 32) | dest_lo; 808120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) 809120660Ssimokawa if (tfw->act_type != FWACT_NULL && BIND_CMP(addr, tfw) == 0) 810103285Sikob return(tfw); 811103285Sikob return(NULL); 812103285Sikob} 813106790Ssimokawa 814103285Sikob/* 815103285Sikob * To bind IEEE1394 address block to process. 816103285Sikob */ 817106790Ssimokawaint 818106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 819103285Sikob{ 820120660Ssimokawa struct fw_bind *tfw, *prev = NULL; 821120660Ssimokawa 822120660Ssimokawa if (fwb->start > fwb->end) { 823120660Ssimokawa printf("%s: invalid range\n", __FUNCTION__); 824120660Ssimokawa return EINVAL; 825120660Ssimokawa } 826120660Ssimokawa 827120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) { 828120660Ssimokawa if (fwb->end < tfw->start) 829120660Ssimokawa break; 830120660Ssimokawa prev = tfw; 831120660Ssimokawa } 832120660Ssimokawa if (prev == NULL) { 833103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 834103285Sikob goto out; 835103285Sikob } 836120660Ssimokawa if (prev->end < fwb->start) { 837120660Ssimokawa STAILQ_INSERT_AFTER(&fc->binds, prev, fwb, fclist); 838103285Sikob goto out; 839103285Sikob } 840120660Ssimokawa 841120660Ssimokawa printf("%s: bind failed\n", __FUNCTION__); 842120660Ssimokawa return (EBUSY); 843120660Ssimokawa 844103285Sikobout: 845120660Ssimokawa if (fwb->act_type == FWACT_CH) 846113584Ssimokawa STAILQ_INSERT_HEAD(&fc->ir[fwb->sub]->binds, fwb, chlist); 847120660Ssimokawa return (0); 848103285Sikob} 849103285Sikob 850103285Sikob/* 851103285Sikob * To free IEEE1394 address block. 852103285Sikob */ 853106790Ssimokawaint 854106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 855103285Sikob{ 856120660Ssimokawa#if 0 857120660Ssimokawa struct fw_xfer *xfer, *next; 858120660Ssimokawa#endif 859120660Ssimokawa struct fw_bind *tfw; 860103285Sikob int s; 861103285Sikob 862103285Sikob s = splfw(); 863120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) 864120660Ssimokawa if (tfw == fwb) { 865120660Ssimokawa STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 866120660Ssimokawa goto found; 867120660Ssimokawa } 868120660Ssimokawa 869120660Ssimokawa printf("%s: no such bind\n", __FUNCTION__); 870120660Ssimokawa splx(s); 871120660Ssimokawa return (1); 872120660Ssimokawafound: 873120660Ssimokawa#if 0 874113584Ssimokawa /* shall we do this? */ 875113584Ssimokawa for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) { 876113584Ssimokawa next = STAILQ_NEXT(xfer, link); 877113584Ssimokawa fw_xfer_free(xfer); 878113584Ssimokawa } 879113584Ssimokawa STAILQ_INIT(&fwb->xferlist); 880120660Ssimokawa#endif 881113584Ssimokawa 882103285Sikob splx(s); 883103285Sikob return 0; 884103285Sikob} 885103285Sikob 886103285Sikob/* 887103285Sikob * To free transaction label. 888103285Sikob */ 889106790Ssimokawastatic void 890106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 891103285Sikob{ 892103285Sikob struct tlabel *tl; 893103285Sikob int s = splfw(); 894103285Sikob 895103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 896103285Sikob tl = STAILQ_NEXT(tl, link)){ 897103285Sikob if(tl->xfer == xfer){ 898103285Sikob STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 899110195Ssimokawa free(tl, M_FW); 900103285Sikob splx(s); 901103285Sikob return; 902103285Sikob } 903103285Sikob } 904103285Sikob splx(s); 905103285Sikob return; 906103285Sikob} 907106790Ssimokawa 908103285Sikob/* 909103285Sikob * To obtain XFER structure by transaction label. 910103285Sikob */ 911106790Ssimokawastatic struct fw_xfer * 912106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 913103285Sikob{ 914103285Sikob struct fw_xfer *xfer; 915103285Sikob struct tlabel *tl; 916103285Sikob int s = splfw(); 917103285Sikob 918103285Sikob for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 919103285Sikob tl = STAILQ_NEXT(tl, link)){ 920120660Ssimokawa if(tl->xfer->send.hdr.mode.hdr.dst == node){ 921103285Sikob xfer = tl->xfer; 922103285Sikob splx(s); 923110577Ssimokawa if (firewire_debug > 2) 924110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 925103285Sikob return(xfer); 926103285Sikob } 927103285Sikob } 928110577Ssimokawa if (firewire_debug > 1) 929110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 930103285Sikob splx(s); 931103285Sikob return(NULL); 932103285Sikob} 933106790Ssimokawa 934103285Sikob/* 935103285Sikob * To allocate IEEE1394 XFER structure. 936103285Sikob */ 937106790Ssimokawastruct fw_xfer * 938110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 939103285Sikob{ 940103285Sikob struct fw_xfer *xfer; 941106790Ssimokawa 942110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 943106790Ssimokawa if (xfer == NULL) 944106790Ssimokawa return xfer; 945106790Ssimokawa 946110269Ssimokawa xfer->malloc = type; 947106790Ssimokawa 948103285Sikob return xfer; 949103285Sikob} 950106790Ssimokawa 951113584Ssimokawastruct fw_xfer * 952113584Ssimokawafw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len) 953113584Ssimokawa{ 954113584Ssimokawa struct fw_xfer *xfer; 955113584Ssimokawa 956113584Ssimokawa xfer = fw_xfer_alloc(type); 957120660Ssimokawa xfer->send.pay_len = send_len; 958120660Ssimokawa xfer->recv.pay_len = recv_len; 959113584Ssimokawa if (xfer == NULL) 960113584Ssimokawa return(NULL); 961120660Ssimokawa if (send_len > 0) { 962120660Ssimokawa xfer->send.payload = malloc(send_len, type, M_NOWAIT | M_ZERO); 963120660Ssimokawa if (xfer->send.payload == NULL) { 964113584Ssimokawa fw_xfer_free(xfer); 965113584Ssimokawa return(NULL); 966113584Ssimokawa } 967113584Ssimokawa } 968120660Ssimokawa if (recv_len > 0) { 969120660Ssimokawa xfer->recv.payload = malloc(recv_len, type, M_NOWAIT); 970120660Ssimokawa if (xfer->recv.payload == NULL) { 971120660Ssimokawa if (xfer->send.payload != NULL) 972120660Ssimokawa free(xfer->send.payload, type); 973113584Ssimokawa fw_xfer_free(xfer); 974113584Ssimokawa return(NULL); 975113584Ssimokawa } 976113584Ssimokawa } 977113584Ssimokawa return(xfer); 978113584Ssimokawa} 979113584Ssimokawa 980103285Sikob/* 981103285Sikob * IEEE1394 XFER post process. 982103285Sikob */ 983103285Sikobvoid 984103285Sikobfw_xfer_done(struct fw_xfer *xfer) 985103285Sikob{ 986117716Ssimokawa if (xfer->act.hand == NULL) { 987117716Ssimokawa printf("act.hand == NULL\n"); 988103285Sikob return; 989117716Ssimokawa } 990103285Sikob 991121505Ssimokawa if (xfer->fc == NULL) 992121505Ssimokawa panic("fw_xfer_done: why xfer->fc is NULL?"); 993121505Ssimokawa 994124145Ssimokawa xfer->act.hand(xfer); 995103285Sikob} 996103285Sikob 997106790Ssimokawavoid 998113584Ssimokawafw_xfer_unload(struct fw_xfer* xfer) 999103285Sikob{ 1000103285Sikob int s; 1001113584Ssimokawa 1002103285Sikob if(xfer == NULL ) return; 1003103285Sikob if(xfer->state == FWXF_INQ){ 1004103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 1005103285Sikob s = splfw(); 1006103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1007103285Sikob xfer->q->queued --; 1008103285Sikob splx(s); 1009103285Sikob } 1010113584Ssimokawa if (xfer->fc != NULL) { 1011114729Ssimokawa#if 1 1012113584Ssimokawa if(xfer->state == FWXF_START) 1013114729Ssimokawa /* 1014114729Ssimokawa * This could happen if: 1015114729Ssimokawa * 1. We call fwohci_arcv() before fwohci_txd(). 1016114729Ssimokawa * 2. firewire_watch() is called. 1017114729Ssimokawa */ 1018114729Ssimokawa printf("fw_xfer_free FWXF_START\n"); 1019103285Sikob#endif 1020113584Ssimokawa fw_tl_free(xfer->fc, xfer); 1021103285Sikob } 1022113584Ssimokawa xfer->state = FWXF_INIT; 1023113584Ssimokawa xfer->resp = 0; 1024113584Ssimokawa xfer->retry = 0; 1025113584Ssimokawa} 1026113584Ssimokawa/* 1027113584Ssimokawa * To free IEEE1394 XFER structure. 1028113584Ssimokawa */ 1029113584Ssimokawavoid 1030120660Ssimokawafw_xfer_free_buf( struct fw_xfer* xfer) 1031113584Ssimokawa{ 1032120660Ssimokawa if (xfer == NULL) { 1033120660Ssimokawa printf("%s: xfer == NULL\n", __FUNCTION__); 1034120660Ssimokawa return; 1035120660Ssimokawa } 1036113584Ssimokawa fw_xfer_unload(xfer); 1037120660Ssimokawa if(xfer->send.payload != NULL){ 1038120660Ssimokawa free(xfer->send.payload, xfer->malloc); 1039103285Sikob } 1040120660Ssimokawa if(xfer->recv.payload != NULL){ 1041120660Ssimokawa free(xfer->recv.payload, xfer->malloc); 1042103285Sikob } 1043110269Ssimokawa free(xfer, xfer->malloc); 1044103285Sikob} 1045103285Sikob 1046120660Ssimokawavoid 1047120660Ssimokawafw_xfer_free( struct fw_xfer* xfer) 1048120660Ssimokawa{ 1049120660Ssimokawa if (xfer == NULL) { 1050120660Ssimokawa printf("%s: xfer == NULL\n", __FUNCTION__); 1051120660Ssimokawa return; 1052120660Ssimokawa } 1053120660Ssimokawa fw_xfer_unload(xfer); 1054120660Ssimokawa free(xfer, xfer->malloc); 1055120660Ssimokawa} 1056120660Ssimokawa 1057120660Ssimokawavoid 1058110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 1059103285Sikob{ 1060103285Sikob#if 0 1061110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 1062103285Sikob xfer->state, xfer->resp); 1063103285Sikob#endif 1064103285Sikob fw_xfer_free(xfer); 1065103285Sikob} 1066103285Sikob 1067103285Sikob/* 1068103285Sikob * To configure PHY. 1069103285Sikob */ 1070103285Sikobstatic void 1071103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1072103285Sikob{ 1073103285Sikob struct fw_xfer *xfer; 1074103285Sikob struct fw_pkt *fp; 1075103285Sikob 1076103285Sikob fc->status = FWBUSPHYCONF; 1077103285Sikob 1078120660Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1079113584Ssimokawa if (xfer == NULL) 1080113584Ssimokawa return; 1081103285Sikob xfer->fc = fc; 1082103285Sikob xfer->retry_req = fw_asybusy; 1083110072Ssimokawa xfer->act.hand = fw_asy_callback_free; 1084103285Sikob 1085120660Ssimokawa fp = &xfer->send.hdr; 1086103285Sikob fp->mode.ld[1] = 0; 1087103285Sikob if (root_node >= 0) 1088113584Ssimokawa fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23; 1089103285Sikob if (gap_count >= 0) 1090113584Ssimokawa fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16; 1091103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1092103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1093103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1094103285Sikob 1095107653Ssimokawa if (firewire_debug) 1096107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1097103285Sikob root_node, gap_count); 1098103285Sikob fw_asyreq(fc, -1, xfer); 1099103285Sikob} 1100103285Sikob 1101103285Sikob#if 0 1102103285Sikob/* 1103103285Sikob * Dump self ID. 1104103285Sikob */ 1105103285Sikobstatic void 1106103285Sikobfw_print_sid(u_int32_t sid) 1107103285Sikob{ 1108103285Sikob union fw_self_id *s; 1109103285Sikob s = (union fw_self_id *) &sid; 1110103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1111103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1112103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1113103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1114103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1115103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1116103285Sikob} 1117103285Sikob#endif 1118103285Sikob 1119103285Sikob/* 1120103285Sikob * To receive self ID. 1121103285Sikob */ 1122113584Ssimokawavoid fw_sidrcv(struct firewire_comm* fc, u_int32_t *sid, u_int len) 1123103285Sikob{ 1124113584Ssimokawa u_int32_t *p; 1125103285Sikob union fw_self_id *self_id; 1126103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1127103285Sikob 1128103285Sikob fc->sid_cnt = len /(sizeof(u_int32_t) * 2); 1129103285Sikob fc->status = FWBUSINIT; 1130103285Sikob fc->max_node = fc->nodeid & 0x3f; 1131103285Sikob CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16; 1132103285Sikob fc->status = FWBUSCYMELECT; 1133103285Sikob fc->topology_map->crc_len = 2; 1134103285Sikob fc->topology_map->generation ++; 1135103285Sikob fc->topology_map->self_id_count = 0; 1136103285Sikob fc->topology_map->node_count = 0; 1137103285Sikob fc->speed_map->generation ++; 1138103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1139103285Sikob self_id = &fc->topology_map->self_id[0]; 1140103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1141103285Sikob if (sid[1] != ~sid[0]) { 1142103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1143103285Sikob sid += 2; 1144103285Sikob continue; 1145103285Sikob } 1146103285Sikob *self_id = *((union fw_self_id *)sid); 1147103285Sikob fc->topology_map->crc_len++; 1148103285Sikob if(self_id->p0.sequel == 0){ 1149103285Sikob fc->topology_map->node_count ++; 1150103285Sikob c_port = 0; 1151103285Sikob#if 0 1152103285Sikob fw_print_sid(sid[0]); 1153103285Sikob#endif 1154103285Sikob node = self_id->p0.phy_id; 1155103285Sikob if(fc->max_node < node){ 1156103285Sikob fc->max_node = self_id->p0.phy_id; 1157103285Sikob } 1158103285Sikob /* XXX I'm not sure this is the right speed_map */ 1159103285Sikob fc->speed_map->speed[node][node] 1160103285Sikob = self_id->p0.phy_speed; 1161103285Sikob for (j = 0; j < node; j ++) { 1162103285Sikob fc->speed_map->speed[j][node] 1163103285Sikob = fc->speed_map->speed[node][j] 1164103285Sikob = min(fc->speed_map->speed[j][j], 1165103285Sikob self_id->p0.phy_speed); 1166103285Sikob } 1167103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1168103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1169103285Sikob fc->irm = self_id->p0.phy_id; 1170103285Sikob } 1171103285Sikob if(self_id->p0.port0 >= 0x2){ 1172103285Sikob c_port++; 1173103285Sikob } 1174103285Sikob if(self_id->p0.port1 >= 0x2){ 1175103285Sikob c_port++; 1176103285Sikob } 1177103285Sikob if(self_id->p0.port2 >= 0x2){ 1178103285Sikob c_port++; 1179103285Sikob } 1180103285Sikob } 1181103285Sikob if(c_port > 2){ 1182103285Sikob i_branch += (c_port - 2); 1183103285Sikob } 1184103285Sikob sid += 2; 1185103285Sikob self_id++; 1186103285Sikob fc->topology_map->self_id_count ++; 1187103285Sikob } 1188108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1189103285Sikob /* CRC */ 1190103285Sikob fc->topology_map->crc = fw_crc16( 1191103285Sikob (u_int32_t *)&fc->topology_map->generation, 1192103285Sikob fc->topology_map->crc_len * 4); 1193103285Sikob fc->speed_map->crc = fw_crc16( 1194103285Sikob (u_int32_t *)&fc->speed_map->generation, 1195103285Sikob fc->speed_map->crc_len * 4); 1196103285Sikob /* byteswap and copy to CSR */ 1197103285Sikob p = (u_int32_t *)fc->topology_map; 1198103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1199103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1200103285Sikob p = (u_int32_t *)fc->speed_map; 1201103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1202103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1203103285Sikob /* don't byte-swap u_int8_t array */ 1204103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1205103285Sikob 1206103285Sikob fc->max_hop = fc->max_node - i_branch; 1207103285Sikob printf(", maxhop <= %d", fc->max_hop); 1208103285Sikob 1209103285Sikob if(fc->irm == -1 ){ 1210103285Sikob printf(", Not found IRM capable node"); 1211103285Sikob }else{ 1212103285Sikob printf(", cable IRM = %d", fc->irm); 1213103285Sikob if (fc->irm == fc->nodeid) 1214110016Ssimokawa printf(" (me)"); 1215103285Sikob } 1216110016Ssimokawa printf("\n"); 1217103285Sikob 1218109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1219114909Ssimokawa if (fc->irm == fc->nodeid) { 1220103285Sikob fc->status = FWBUSMGRDONE; 1221103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1222114909Ssimokawa fw_bmr(fc); 1223109736Ssimokawa } else { 1224103285Sikob fc->status = FWBUSMGRELECT; 1225110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1226110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1227103285Sikob } 1228114909Ssimokawa } else 1229103285Sikob fc->status = FWBUSMGRDONE; 1230114909Ssimokawa 1231108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1232108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1233103285Sikob} 1234106790Ssimokawa 1235103285Sikob/* 1236103285Sikob * To probe devices on the IEEE1394 bus. 1237103285Sikob */ 1238106790Ssimokawastatic void 1239106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1240103285Sikob{ 1241103285Sikob int s; 1242120850Ssimokawa struct fw_device *fwdev; 1243103285Sikob 1244103285Sikob s = splfw(); 1245103285Sikob fc->status = FWBUSEXPLORE; 1246103285Sikob fc->retry_count = 0; 1247103285Sikob 1248120850Ssimokawa /* Invalidate all devices, just after bus reset. */ 1249120850Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1250110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1251103285Sikob fwdev->status = FWDEVINVAL; 1252103285Sikob fwdev->rcnt = 0; 1253103285Sikob } 1254120850Ssimokawa 1255103285Sikob fc->ongonode = 0; 1256103285Sikob fc->ongoaddr = CSRROMOFF; 1257103285Sikob fc->ongodev = NULL; 1258103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1259103285Sikob fw_bus_explore(fc); 1260103285Sikob splx(s); 1261103285Sikob} 1262106790Ssimokawa 1263103285Sikob/* 1264103285Sikob * To collect device informations on the IEEE1394 bus. 1265103285Sikob */ 1266106790Ssimokawastatic void 1267106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1268103285Sikob{ 1269103285Sikob int err = 0; 1270110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1271103285Sikob u_int32_t addr; 1272103285Sikob struct fw_xfer *xfer; 1273103285Sikob struct fw_pkt *fp; 1274103285Sikob 1275103285Sikob if(fc->status != FWBUSEXPLORE) 1276103285Sikob return; 1277103285Sikob 1278103285Sikobloop: 1279103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1280103285Sikob 1281103285Sikob if(fc->ongonode > fc->max_node) goto done; 1282103285Sikob if(fc->ongonode >= 0x3f) goto done; 1283103285Sikob 1284103285Sikob /* check link */ 1285103285Sikob /* XXX we need to check phy_id first */ 1286103285Sikob if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) { 1287110577Ssimokawa if (firewire_debug) 1288110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1289103285Sikob fc->ongonode++; 1290103285Sikob goto loop; 1291103285Sikob } 1292103285Sikob 1293103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1294103285Sikob fc->ongoeui.hi == 0xffffffff && 1295103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1296103285Sikob fc->ongoaddr = CSRROMOFF; 1297103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1298103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1299103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1300103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1301103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1302103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1303103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1304103285Sikob }else if(fc->ongodev == NULL){ 1305110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1306110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1307103285Sikob break; 1308103285Sikob if(fwdev != NULL){ 1309103285Sikob fwdev->dst = fc->ongonode; 1310117350Ssimokawa fwdev->status = FWDEVINIT; 1311117350Ssimokawa fc->ongodev = fwdev; 1312103285Sikob fc->ongoaddr = CSRROMOFF; 1313117350Ssimokawa addr = 0xf0000000 | fc->ongoaddr; 1314117350Ssimokawa goto dorequest; 1315103285Sikob } 1316115787Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, 1317115787Ssimokawa M_NOWAIT | M_ZERO); 1318103285Sikob if(fwdev == NULL) 1319103285Sikob return; 1320106810Ssimokawa fwdev->fc = fc; 1321103285Sikob fwdev->rommax = 0; 1322103285Sikob fwdev->dst = fc->ongonode; 1323103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1324103285Sikob fwdev->status = FWDEVINIT; 1325103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1326103285Sikob 1327110179Ssimokawa pfwdev = NULL; 1328110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1329110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1330110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1331110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1332110179Ssimokawa break; 1333110179Ssimokawa pfwdev = tfwdev; 1334103285Sikob } 1335110179Ssimokawa if (pfwdev == NULL) 1336110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1337110179Ssimokawa else 1338110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1339103285Sikob 1340108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1341107653Ssimokawa linkspeed[fwdev->speed], 1342107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1343103285Sikob 1344103285Sikob fc->ongodev = fwdev; 1345103285Sikob fc->ongoaddr = CSRROMOFF; 1346103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1347103285Sikob }else{ 1348103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1349103285Sikob } 1350117350Ssimokawadorequest: 1351103285Sikob#if 0 1352103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1353103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1354103285Sikob fw_bus_explore_callback); 1355103285Sikob if(xfer == NULL) goto done; 1356103285Sikob#else 1357120660Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1358103285Sikob if(xfer == NULL){ 1359103285Sikob goto done; 1360103285Sikob } 1361120660Ssimokawa xfer->send.spd = 0; 1362120660Ssimokawa fp = &xfer->send.hdr; 1363113584Ssimokawa fp->mode.rreqq.dest_hi = 0xffff; 1364103285Sikob fp->mode.rreqq.tlrt = 0; 1365103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1366103285Sikob fp->mode.rreqq.pri = 0; 1367103285Sikob fp->mode.rreqq.src = 0; 1368120660Ssimokawa fp->mode.rreqq.dst = FWLOCALBUS | fc->ongonode; 1369113584Ssimokawa fp->mode.rreqq.dest_lo = addr; 1370103285Sikob xfer->act.hand = fw_bus_explore_callback; 1371103285Sikob 1372110577Ssimokawa if (firewire_debug) 1373110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1374110577Ssimokawa fc->ongonode, fc->ongoaddr); 1375103285Sikob err = fw_asyreq(fc, -1, xfer); 1376103285Sikob if(err){ 1377103285Sikob fw_xfer_free( xfer); 1378103285Sikob return; 1379103285Sikob } 1380103285Sikob#endif 1381103285Sikob return; 1382103285Sikobdone: 1383103285Sikob /* fw_attach_devs */ 1384103285Sikob fc->status = FWBUSEXPDONE; 1385107653Ssimokawa if (firewire_debug) 1386107653Ssimokawa printf("bus_explore done\n"); 1387103285Sikob fw_attach_dev(fc); 1388103285Sikob return; 1389103285Sikob 1390103285Sikob} 1391106790Ssimokawa 1392103285Sikob/* Portable Async. request read quad */ 1393106790Ssimokawastruct fw_xfer * 1394106790Ssimokawaasyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt, 1395105620Ssimokawa u_int32_t addr_hi, u_int32_t addr_lo, 1396105620Ssimokawa void (*hand) __P((struct fw_xfer*))) 1397103285Sikob{ 1398103285Sikob struct fw_xfer *xfer; 1399103285Sikob struct fw_pkt *fp; 1400103285Sikob int err; 1401103285Sikob 1402120660Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1403113584Ssimokawa if (xfer == NULL) 1404103285Sikob return NULL; 1405113584Ssimokawa 1406120660Ssimokawa xfer->send.spd = spd; /* XXX:min(spd, fc->spd) */ 1407120660Ssimokawa fp = &xfer->send.hdr; 1408113584Ssimokawa fp->mode.rreqq.dest_hi = addr_hi & 0xffff; 1409103285Sikob if(tl & FWP_TL_VALID){ 1410103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1411103285Sikob }else{ 1412103285Sikob fp->mode.rreqq.tlrt = 0; 1413103285Sikob } 1414103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1415103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1416103285Sikob fp->mode.rreqq.pri = 0; 1417103285Sikob fp->mode.rreqq.src = 0; 1418120660Ssimokawa fp->mode.rreqq.dst = addr_hi >> 16; 1419113584Ssimokawa fp->mode.rreqq.dest_lo = addr_lo; 1420103285Sikob xfer->act.hand = hand; 1421103285Sikob 1422103285Sikob err = fw_asyreq(fc, -1, xfer); 1423103285Sikob if(err){ 1424103285Sikob fw_xfer_free( xfer); 1425103285Sikob return NULL; 1426103285Sikob } 1427103285Sikob return xfer; 1428103285Sikob} 1429106790Ssimokawa 1430103285Sikob/* 1431103285Sikob * Callback for the IEEE1394 bus information collection. 1432103285Sikob */ 1433106790Ssimokawastatic void 1434106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1435106790Ssimokawa{ 1436103285Sikob struct firewire_comm *fc; 1437103285Sikob struct fw_pkt *sfp,*rfp; 1438103285Sikob struct csrhdr *chdr; 1439103285Sikob struct csrdir *csrd; 1440103285Sikob struct csrreg *csrreg; 1441103285Sikob u_int32_t offset; 1442103285Sikob 1443103285Sikob 1444110577Ssimokawa if(xfer == NULL) { 1445110577Ssimokawa printf("xfer == NULL\n"); 1446110577Ssimokawa return; 1447110577Ssimokawa } 1448103285Sikob fc = xfer->fc; 1449110577Ssimokawa 1450110577Ssimokawa if (firewire_debug) 1451110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1452110577Ssimokawa fc->ongonode, fc->ongoaddr); 1453110577Ssimokawa 1454103285Sikob if(xfer->resp != 0){ 1455110577Ssimokawa printf("node%d: resp=%d addr=0x%x\n", 1456110577Ssimokawa fc->ongonode, xfer->resp, fc->ongoaddr); 1457114284Ssimokawa goto errnode; 1458103285Sikob } 1459103285Sikob 1460120660Ssimokawa sfp = &xfer->send.hdr; 1461120660Ssimokawa rfp = &xfer->recv.hdr; 1462103285Sikob#if 0 1463103285Sikob { 1464103285Sikob u_int32_t *qld; 1465103285Sikob int i; 1466103285Sikob qld = (u_int32_t *)xfer->recv.buf; 1467103285Sikob printf("len:%d\n", xfer->recv.len); 1468103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1469113584Ssimokawa printf("0x%08x ", rfp->mode.ld[i/4]); 1470103285Sikob if((i % 16) == 15) printf("\n"); 1471103285Sikob } 1472103285Sikob if((i % 16) != 15) printf("\n"); 1473103285Sikob } 1474103285Sikob#endif 1475103285Sikob if(fc->ongodev == NULL){ 1476113584Ssimokawa if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){ 1477103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1478103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1479110577Ssimokawa/* If CSR is minimal confinguration, more investgation is not needed. */ 1480103285Sikob if(chdr->info_len == 1){ 1481110577Ssimokawa if (firewire_debug) 1482110577Ssimokawa printf("node%d: minimal config\n", 1483110577Ssimokawa fc->ongonode); 1484103285Sikob goto nextnode; 1485103285Sikob }else{ 1486103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1487103285Sikob } 1488113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){ 1489103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1490103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1491113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){ 1492103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1493110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1494110577Ssimokawa if (firewire_debug) 1495110577Ssimokawa printf("node%d: eui64 is zero.\n", 1496110577Ssimokawa fc->ongonode); 1497103285Sikob goto nextnode; 1498110577Ssimokawa } 1499103285Sikob fc->ongoaddr = CSRROMOFF; 1500103285Sikob } 1501103285Sikob }else{ 1502117350Ssimokawa if (fc->ongoaddr == CSRROMOFF && 1503117350Ssimokawa fc->ongodev->csrrom[0] == ntohl(rfp->mode.rresq.data)) { 1504117350Ssimokawa fc->ongodev->status = FWDEVATTACHED; 1505117350Ssimokawa goto nextnode; 1506117350Ssimokawa } 1507103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1508103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1509103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1510103285Sikob } 1511103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1512103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1513103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1514103285Sikob offset = CSRROMOFF; 1515103285Sikob }else{ 1516103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1517103285Sikob offset = csrd->off; 1518103285Sikob } 1519103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1520103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1521103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1522103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1523103285Sikob if(csrd == NULL){ 1524103285Sikob goto nextnode; 1525103285Sikob }else{ 1526103285Sikob csrd->ongoaddr = fc->ongoaddr; 1527103285Sikob fc->ongoaddr += csrreg->val * 4; 1528103285Sikob csrd->off = fc->ongoaddr; 1529103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1530103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1531103285Sikob goto nextaddr; 1532103285Sikob } 1533103285Sikob } 1534103285Sikob } 1535103285Sikob fc->ongoaddr += 4; 1536103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1537103285Sikob (fc->ongodev->rommax < 0x414)){ 1538103285Sikob if(fc->ongodev->rommax <= 0x414){ 1539103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1540103285Sikob if(csrd == NULL) goto nextnode; 1541103285Sikob csrd->off = fc->ongoaddr; 1542103285Sikob csrd->ongoaddr = fc->ongoaddr; 1543103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1544103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1545103285Sikob } 1546103285Sikob goto nextaddr; 1547103285Sikob } 1548103285Sikob 1549103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1550103285Sikob if(csrd == NULL){ 1551103285Sikob goto nextnode; 1552103285Sikob }; 1553103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1554103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1555103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1556103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1557103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1558103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1559103285Sikob offset = CSRROMOFF; 1560103285Sikob }else{ 1561103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1562103285Sikob offset = csrd->off; 1563103285Sikob } 1564103285Sikob } 1565103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1566103285Sikob goto nextnode; 1567103285Sikob } 1568103285Sikob } 1569103285Sikobnextaddr: 1570103285Sikob fw_xfer_free( xfer); 1571103285Sikob fw_bus_explore(fc); 1572103285Sikob return; 1573114284Ssimokawaerrnode: 1574114284Ssimokawa fc->retry_count++; 1575114284Ssimokawa if (fc->ongodev != NULL) 1576114284Ssimokawa fc->ongodev->status = FWDEVINVAL; 1577103285Sikobnextnode: 1578103285Sikob fw_xfer_free( xfer); 1579103285Sikob fc->ongonode++; 1580103285Sikob/* housekeeping work space */ 1581103285Sikob fc->ongoaddr = CSRROMOFF; 1582103285Sikob fc->ongodev = NULL; 1583103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1584103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1585103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1586103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1587103285Sikob } 1588103285Sikob fw_bus_explore(fc); 1589103285Sikob return; 1590103285Sikob} 1591103285Sikob 1592103285Sikob/* 1593103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1594103285Sikob */ 1595106815Ssimokawastatic void 1596106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1597103285Sikob{ 1598120850Ssimokawa struct fw_device *fwdev, *next; 1599103285Sikob int i, err; 1600103285Sikob device_t *devlistp; 1601103285Sikob int devcnt; 1602103285Sikob struct firewire_dev_comm *fdc; 1603103285Sikob 1604120850Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1605120850Ssimokawa next = STAILQ_NEXT(fwdev, link); 1606120850Ssimokawa if (fwdev->status == FWDEVINIT) { 1607114069Ssimokawa fwdev->status = FWDEVATTACHED; 1608120850Ssimokawa } else if (fwdev->status == FWDEVINVAL) { 1609120850Ssimokawa fwdev->rcnt ++; 1610120850Ssimokawa if (fwdev->rcnt > hold_count) { 1611120850Ssimokawa /* 1612120850Ssimokawa * Remove devices which have not been seen 1613120850Ssimokawa * for a while. 1614120850Ssimokawa */ 1615120850Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, 1616120850Ssimokawa link); 1617120850Ssimokawa free(fwdev, M_FW); 1618120850Ssimokawa } 1619120850Ssimokawa } 1620120850Ssimokawa } 1621103285Sikob 1622108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1623103285Sikob if( err != 0 ) 1624103285Sikob return; 1625103285Sikob for( i = 0 ; i < devcnt ; i++){ 1626103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1627103285Sikob fdc = device_get_softc(devlistp[i]); 1628103285Sikob if (fdc->post_explore != NULL) 1629103285Sikob fdc->post_explore(fdc); 1630103285Sikob } 1631103285Sikob } 1632103285Sikob free(devlistp, M_TEMP); 1633103285Sikob 1634103285Sikob if (fc->retry_count > 0) { 1635111040Ssimokawa printf("probe failed for %d node\n", fc->retry_count); 1636111040Ssimokawa#if 0 1637110193Ssimokawa callout_reset(&fc->retry_probe_callout, hz*2, 1638110193Ssimokawa (void *)fc->ibr, (void *)fc); 1639111040Ssimokawa#endif 1640103285Sikob } 1641103285Sikob return; 1642103285Sikob} 1643106815Ssimokawa 1644103285Sikob/* 1645103285Sikob * To allocate uniq transaction label. 1646103285Sikob */ 1647106815Ssimokawastatic int 1648106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1649103285Sikob{ 1650103285Sikob u_int i; 1651103285Sikob struct tlabel *tl, *tmptl; 1652103285Sikob int s; 1653103285Sikob static u_int32_t label = 0; 1654103285Sikob 1655103285Sikob s = splfw(); 1656103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1657103285Sikob label = (label + 1) & 0x3f; 1658103285Sikob for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1659103285Sikob tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1660120660Ssimokawa if (tmptl->xfer->send.hdr.mode.hdr.dst == 1661120660Ssimokawa xfer->send.hdr.mode.hdr.dst) 1662120660Ssimokawa break; 1663103285Sikob } 1664103285Sikob if(tmptl == NULL) { 1665110195Ssimokawa tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1666103285Sikob if (tl == NULL) { 1667103285Sikob splx(s); 1668103285Sikob return (-1); 1669103285Sikob } 1670103285Sikob tl->xfer = xfer; 1671103285Sikob STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1672103285Sikob splx(s); 1673110577Ssimokawa if (firewire_debug > 1) 1674110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1675120660Ssimokawa xfer->send.hdr.mode.hdr.dst, label); 1676103285Sikob return(label); 1677103285Sikob } 1678103285Sikob } 1679103285Sikob splx(s); 1680103285Sikob 1681103285Sikob printf("fw_get_tlabel: no free tlabel\n"); 1682103285Sikob return(-1); 1683103285Sikob} 1684106815Ssimokawa 1685113584Ssimokawastatic void 1686120660Ssimokawafw_rcv_copy(struct fw_rcv_buf *rb) 1687113584Ssimokawa{ 1688120660Ssimokawa struct fw_pkt *pkt; 1689120660Ssimokawa u_char *p; 1690120660Ssimokawa struct tcode_info *tinfo; 1691120660Ssimokawa u_int res, i, len, plen; 1692113584Ssimokawa 1693120660Ssimokawa rb->xfer->recv.spd -= rb->spd; 1694120660Ssimokawa 1695120660Ssimokawa pkt = (struct fw_pkt *)rb->vec->iov_base; 1696120660Ssimokawa tinfo = &rb->fc->tcode[pkt->mode.hdr.tcode]; 1697120660Ssimokawa 1698120660Ssimokawa /* Copy header */ 1699120660Ssimokawa p = (u_char *)&rb->xfer->recv.hdr; 1700120660Ssimokawa bcopy(rb->vec->iov_base, p, tinfo->hdr_len); 1701120660Ssimokawa (u_char *)rb->vec->iov_base += tinfo->hdr_len; 1702120660Ssimokawa rb->vec->iov_len -= tinfo->hdr_len; 1703120660Ssimokawa 1704120660Ssimokawa /* Copy payload */ 1705120660Ssimokawa p = (u_char *)rb->xfer->recv.payload; 1706120660Ssimokawa res = rb->xfer->recv.pay_len; 1707120660Ssimokawa 1708120660Ssimokawa /* special handling for RRESQ */ 1709120660Ssimokawa if (pkt->mode.hdr.tcode == FWTCODE_RRESQ && 1710120660Ssimokawa p != NULL && res >= sizeof(u_int32_t)) { 1711120660Ssimokawa *(u_int32_t *)p = pkt->mode.rresq.data; 1712120660Ssimokawa rb->xfer->recv.pay_len = sizeof(u_int32_t); 1713120660Ssimokawa return; 1714120660Ssimokawa } 1715120660Ssimokawa 1716120660Ssimokawa if ((tinfo->flag & FWTI_BLOCK_ASY) == 0) 1717120660Ssimokawa return; 1718120660Ssimokawa 1719120660Ssimokawa plen = pkt->mode.rresb.len; 1720120660Ssimokawa 1721120660Ssimokawa for (i = 0; i < rb->nvec; i++, rb->vec++) { 1722120660Ssimokawa len = MIN(rb->vec->iov_len, plen); 1723113584Ssimokawa if (res < len) { 1724113584Ssimokawa printf("rcv buffer(%d) is %d bytes short.\n", 1725120660Ssimokawa rb->xfer->recv.pay_len, len - res); 1726113584Ssimokawa len = res; 1727113584Ssimokawa } 1728120660Ssimokawa bcopy(rb->vec->iov_base, p, len); 1729113584Ssimokawa p += len; 1730113584Ssimokawa res -= len; 1731120660Ssimokawa plen -= len; 1732120660Ssimokawa if (res == 0 || plen == 0) 1733113584Ssimokawa break; 1734113584Ssimokawa } 1735120660Ssimokawa rb->xfer->recv.pay_len -= res; 1736120660Ssimokawa 1737113584Ssimokawa} 1738113584Ssimokawa 1739103285Sikob/* 1740103285Sikob * Generic packet receving process. 1741103285Sikob */ 1742106815Ssimokawavoid 1743120660Ssimokawafw_rcv(struct fw_rcv_buf *rb) 1744103285Sikob{ 1745103285Sikob struct fw_pkt *fp, *resfp; 1746103285Sikob struct fw_bind *bind; 1747113584Ssimokawa int tcode, s; 1748113584Ssimokawa int i, len, oldstate; 1749103285Sikob#if 0 1750103285Sikob { 1751103285Sikob u_int32_t *qld; 1752103285Sikob int i; 1753103285Sikob qld = (u_int32_t *)buf; 1754103285Sikob printf("spd %d len:%d\n", spd, len); 1755103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1756103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1757103285Sikob if((i % 16) == 15) printf("\n"); 1758103285Sikob } 1759103285Sikob if((i % 16) != 15) printf("\n"); 1760103285Sikob } 1761103285Sikob#endif 1762120660Ssimokawa fp = (struct fw_pkt *)rb->vec[0].iov_base; 1763113584Ssimokawa tcode = fp->mode.common.tcode; 1764113584Ssimokawa switch (tcode) { 1765103285Sikob case FWTCODE_WRES: 1766103285Sikob case FWTCODE_RRESQ: 1767103285Sikob case FWTCODE_RRESB: 1768103285Sikob case FWTCODE_LRES: 1769120660Ssimokawa rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1770103285Sikob fp->mode.hdr.tlrt >> 2); 1771120660Ssimokawa if(rb->xfer == NULL) { 1772103285Sikob printf("fw_rcv: unknown response " 1773110891Ssimokawa "tcode=%d src=0x%x tl=0x%x rt=%d data=0x%x\n", 1774113584Ssimokawa tcode, 1775113584Ssimokawa fp->mode.hdr.src, 1776103285Sikob fp->mode.hdr.tlrt >> 2, 1777103285Sikob fp->mode.hdr.tlrt & 3, 1778103285Sikob fp->mode.rresq.data); 1779103285Sikob#if 1 1780103285Sikob printf("try ad-hoc work around!!\n"); 1781120660Ssimokawa rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1782103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1783120660Ssimokawa if (rb->xfer == NULL) { 1784103285Sikob printf("no use...\n"); 1785103285Sikob goto err; 1786103285Sikob } 1787103285Sikob#else 1788103285Sikob goto err; 1789103285Sikob#endif 1790103285Sikob } 1791120660Ssimokawa fw_rcv_copy(rb); 1792120660Ssimokawa if (rb->xfer->recv.hdr.mode.wres.rtcode != RESP_CMP) 1793120660Ssimokawa rb->xfer->resp = EIO; 1794120660Ssimokawa else 1795120660Ssimokawa rb->xfer->resp = 0; 1796113584Ssimokawa /* make sure the packet is drained in AT queue */ 1797120660Ssimokawa oldstate = rb->xfer->state; 1798120660Ssimokawa rb->xfer->state = FWXF_RCVD; 1799113584Ssimokawa switch (oldstate) { 1800113584Ssimokawa case FWXF_SENT: 1801120660Ssimokawa fw_xfer_done(rb->xfer); 1802103285Sikob break; 1803113584Ssimokawa case FWXF_START: 1804119289Ssimokawa#if 0 1805113584Ssimokawa if (firewire_debug) 1806120660Ssimokawa printf("not sent yet tl=%x\n", rb->xfer->tl); 1807119289Ssimokawa#endif 1808113584Ssimokawa break; 1809103285Sikob default: 1810120660Ssimokawa printf("unexpected state %d\n", rb->xfer->state); 1811103285Sikob } 1812113584Ssimokawa return; 1813103285Sikob case FWTCODE_WREQQ: 1814103285Sikob case FWTCODE_WREQB: 1815103285Sikob case FWTCODE_RREQQ: 1816103285Sikob case FWTCODE_RREQB: 1817103285Sikob case FWTCODE_LREQ: 1818120660Ssimokawa bind = fw_bindlookup(rb->fc, fp->mode.rreqq.dest_hi, 1819113584Ssimokawa fp->mode.rreqq.dest_lo); 1820103285Sikob if(bind == NULL){ 1821113962Ssimokawa#if __FreeBSD_version >= 500000 1822120660Ssimokawa printf("Unknown service addr 0x%04x:0x%08x tcode=%x src=0x%x data=%x\n", 1823113962Ssimokawa#else 1824120660Ssimokawa printf("Unknown service addr 0x%04x:0x%08x tcode=%x src=0x%x data=%lx\n", 1825113962Ssimokawa#endif 1826113584Ssimokawa fp->mode.wreqq.dest_hi, 1827113584Ssimokawa fp->mode.wreqq.dest_lo, 1828113584Ssimokawa tcode, 1829113584Ssimokawa fp->mode.hdr.src, 1830113584Ssimokawa ntohl(fp->mode.wreqq.data)); 1831120660Ssimokawa if (rb->fc->status == FWBUSRESET) { 1832110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1833103285Sikob goto err; 1834103285Sikob } 1835120660Ssimokawa rb->xfer = fw_xfer_alloc(M_FWXFER); 1836120660Ssimokawa if(rb->xfer == NULL){ 1837103285Sikob return; 1838103285Sikob } 1839120660Ssimokawa rb->xfer->send.spd = rb->spd; 1840120660Ssimokawa rb->xfer->send.pay_len = 0; 1841120660Ssimokawa resfp = &rb->xfer->send.hdr; 1842113584Ssimokawa switch (tcode) { 1843103285Sikob case FWTCODE_WREQQ: 1844103285Sikob case FWTCODE_WREQB: 1845103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1846103285Sikob break; 1847103285Sikob case FWTCODE_RREQQ: 1848103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1849103285Sikob break; 1850103285Sikob case FWTCODE_RREQB: 1851103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1852103285Sikob break; 1853103285Sikob case FWTCODE_LREQ: 1854103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1855103285Sikob break; 1856103285Sikob } 1857103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1858103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1859103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1860120660Ssimokawa resfp->mode.rresb.rtcode = RESP_ADDRESS_ERROR; 1861103285Sikob resfp->mode.rresb.extcode = 0; 1862103285Sikob resfp->mode.rresb.len = 0; 1863103285Sikob/* 1864120660Ssimokawa rb->xfer->act.hand = fw_asy_callback; 1865103285Sikob*/ 1866120660Ssimokawa rb->xfer->act.hand = fw_xfer_free; 1867120660Ssimokawa if(fw_asyreq(rb->fc, -1, rb->xfer)){ 1868120660Ssimokawa fw_xfer_free(rb->xfer); 1869103285Sikob return; 1870103285Sikob } 1871103285Sikob goto err; 1872103285Sikob } 1873113584Ssimokawa len = 0; 1874120660Ssimokawa for (i = 0; i < rb->nvec; i ++) 1875120660Ssimokawa len += rb->vec[i].iov_len; 1876113584Ssimokawa switch(bind->act_type){ 1877103285Sikob case FWACT_XFER: 1878113584Ssimokawa /* splfw()?? */ 1879120660Ssimokawa rb->xfer = STAILQ_FIRST(&bind->xferlist); 1880120660Ssimokawa if (rb->xfer == NULL) { 1881113584Ssimokawa printf("Discard a packet for this bind.\n"); 1882113584Ssimokawa goto err; 1883113584Ssimokawa } 1884113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1885120660Ssimokawa fw_rcv_copy(rb); 1886124145Ssimokawa rb->xfer->act.hand(rb->xfer); 1887103285Sikob return; 1888103285Sikob break; 1889103285Sikob case FWACT_CH: 1890120660Ssimokawa if(rb->fc->ir[bind->sub]->queued >= 1891120660Ssimokawa rb->fc->ir[bind->sub]->maxq){ 1892120660Ssimokawa device_printf(rb->fc->bdev, 1893108655Ssimokawa "Discard a packet %x %d\n", 1894113584Ssimokawa bind->sub, 1895120660Ssimokawa rb->fc->ir[bind->sub]->queued); 1896103285Sikob goto err; 1897103285Sikob } 1898120660Ssimokawa rb->xfer = STAILQ_FIRST(&bind->xferlist); 1899120660Ssimokawa if (rb->xfer == NULL) { 1900113584Ssimokawa printf("Discard packet for this bind\n"); 1901113584Ssimokawa goto err; 1902113584Ssimokawa } 1903113584Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1904120660Ssimokawa fw_rcv_copy(rb); 1905103285Sikob s = splfw(); 1906120660Ssimokawa rb->fc->ir[bind->sub]->queued++; 1907120660Ssimokawa STAILQ_INSERT_TAIL(&rb->fc->ir[bind->sub]->q, 1908120660Ssimokawa rb->xfer, link); 1909103285Sikob splx(s); 1910103285Sikob 1911120660Ssimokawa wakeup((caddr_t)rb->fc->ir[bind->sub]); 1912103285Sikob 1913103285Sikob return; 1914103285Sikob break; 1915103285Sikob default: 1916103285Sikob goto err; 1917103285Sikob break; 1918103285Sikob } 1919103285Sikob break; 1920120660Ssimokawa#if 0 /* shouldn't happen ?? or for GASP */ 1921103285Sikob case FWTCODE_STREAM: 1922103285Sikob { 1923103285Sikob struct fw_xferq *xferq; 1924103285Sikob 1925120660Ssimokawa xferq = rb->fc->ir[sub]; 1926103285Sikob#if 0 1927103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1928103285Sikob sub, len, off, spd); 1929103285Sikob#endif 1930103285Sikob if(xferq->queued >= xferq->maxq) { 1931103285Sikob printf("receive queue is full\n"); 1932103285Sikob goto err; 1933103285Sikob } 1934113584Ssimokawa /* XXX get xfer from xfer queue, we don't need copy for 1935113584Ssimokawa per packet mode */ 1936120660Ssimokawa rb->xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */ 1937113584Ssimokawa vec[0].iov_len); 1938120660Ssimokawa if (rb->xfer == NULL) goto err; 1939120660Ssimokawa fw_rcv_copy(rb) 1940103285Sikob s = splfw(); 1941103285Sikob xferq->queued++; 1942120660Ssimokawa STAILQ_INSERT_TAIL(&xferq->q, rb->xfer, link); 1943103285Sikob splx(s); 1944120660Ssimokawa sc = device_get_softc(rb->fc->bdev); 1945103285Sikob#if __FreeBSD_version >= 500000 1946103285Sikob if (SEL_WAITING(&xferq->rsel)) 1947103285Sikob#else 1948103285Sikob if (&xferq->rsel.si_pid != 0) 1949103285Sikob#endif 1950122352Stanimura selwakeuppri(&xferq->rsel, FWPRI); 1951103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1952103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1953103285Sikob wakeup((caddr_t)xferq); 1954103285Sikob } 1955103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1956103285Sikob xferq->hand(xferq); 1957103285Sikob } 1958103285Sikob return; 1959103285Sikob break; 1960103285Sikob } 1961120660Ssimokawa#endif 1962103285Sikob default: 1963113584Ssimokawa printf("fw_rcv: unknow tcode %d\n", tcode); 1964103285Sikob break; 1965103285Sikob } 1966103285Sikoberr: 1967113584Ssimokawa return; 1968103285Sikob} 1969106815Ssimokawa 1970103285Sikob/* 1971103285Sikob * Post process for Bus Manager election process. 1972103285Sikob */ 1973103285Sikobstatic void 1974103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1975103285Sikob{ 1976103285Sikob struct firewire_comm *fc; 1977109422Ssimokawa int bmr; 1978103285Sikob 1979109422Ssimokawa if (xfer == NULL) 1980109422Ssimokawa return; 1981103285Sikob fc = xfer->fc; 1982109422Ssimokawa if (xfer->resp != 0) 1983103285Sikob goto error; 1984120660Ssimokawa if (xfer->recv.payload == NULL) 1985103285Sikob goto error; 1986120660Ssimokawa if (xfer->recv.hdr.mode.lres.rtcode != FWRCODE_COMPLETE) 1987103285Sikob goto error; 1988109422Ssimokawa 1989120660Ssimokawa bmr = ntohl(xfer->recv.payload[0]); 1990109422Ssimokawa if (bmr == 0x3f) 1991109422Ssimokawa bmr = fc->nodeid; 1992109422Ssimokawa 1993109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 1994120660Ssimokawa fw_xfer_free_buf(xfer); 1995114909Ssimokawa fw_bmr(fc); 1996114909Ssimokawa return; 1997114909Ssimokawa 1998103285Sikoberror: 1999114909Ssimokawa device_printf(fc->bdev, "bus manager election failed\n"); 2000120660Ssimokawa fw_xfer_free_buf(xfer); 2001103285Sikob} 2002106815Ssimokawa 2003113584Ssimokawa 2004103285Sikob/* 2005103285Sikob * To candidate Bus Manager election process. 2006103285Sikob */ 2007110270Ssimokawastatic void 2008106815Ssimokawafw_try_bmr(void *arg) 2009103285Sikob{ 2010103285Sikob struct fw_xfer *xfer; 2011103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 2012103285Sikob struct fw_pkt *fp; 2013103285Sikob int err = 0; 2014103285Sikob 2015120660Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 8, 4); 2016103285Sikob if(xfer == NULL){ 2017103285Sikob return; 2018103285Sikob } 2019120660Ssimokawa xfer->send.spd = 0; 2020103285Sikob fc->status = FWBUSMGRELECT; 2021103285Sikob 2022120660Ssimokawa fp = &xfer->send.hdr; 2023113584Ssimokawa fp->mode.lreq.dest_hi = 0xffff; 2024103285Sikob fp->mode.lreq.tlrt = 0; 2025103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2026103285Sikob fp->mode.lreq.pri = 0; 2027103285Sikob fp->mode.lreq.src = 0; 2028113584Ssimokawa fp->mode.lreq.len = 8; 2029120660Ssimokawa fp->mode.lreq.extcode = EXTCODE_CMP_SWAP; 2030120660Ssimokawa fp->mode.lreq.dst = FWLOCALBUS | fc->irm; 2031113584Ssimokawa fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID; 2032120660Ssimokawa xfer->send.payload[0] = htonl(0x3f); 2033120660Ssimokawa xfer->send.payload[1] = htonl(fc->nodeid); 2034103285Sikob xfer->act.hand = fw_try_bmr_callback; 2035103285Sikob 2036103285Sikob err = fw_asyreq(fc, -1, xfer); 2037103285Sikob if(err){ 2038120660Ssimokawa fw_xfer_free_buf(xfer); 2039103285Sikob return; 2040103285Sikob } 2041103285Sikob return; 2042103285Sikob} 2043106543Ssimokawa 2044106543Ssimokawa#ifdef FW_VMACCESS 2045103285Sikob/* 2046103285Sikob * Software implementation for physical memory block access. 2047103285Sikob * XXX:Too slow, usef for debug purpose only. 2048103285Sikob */ 2049106815Ssimokawastatic void 2050106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2051103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2052113584Ssimokawa u_int32_t *ld = (u_int32_t *)xfer->recv.buf; 2053103285Sikob 2054113584Ssimokawa printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n", 2055113584Ssimokawa xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2056103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2057103285Sikob if(xfer->resp != 0){ 2058103285Sikob fw_xfer_free( xfer); 2059103285Sikob return; 2060103285Sikob } 2061103285Sikob if(xfer->recv.buf == NULL){ 2062103285Sikob fw_xfer_free( xfer); 2063103285Sikob return; 2064103285Sikob } 2065103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2066103285Sikob switch(rfp->mode.hdr.tcode){ 2067103285Sikob /* XXX need fix for 64bit arch */ 2068103285Sikob case FWTCODE_WREQB: 2069110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2070103285Sikob xfer->send.len = 12; 2071103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2072103285Sikob bcopy(rfp->mode.wreqb.payload, 2073103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2074103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2075103285Sikob sfp->mode.wres.rtcode = 0; 2076103285Sikob break; 2077103285Sikob case FWTCODE_WREQQ: 2078110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2079103285Sikob xfer->send.len = 12; 2080103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2081103285Sikob *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2082103285Sikob sfp->mode.wres.rtcode = 0; 2083103285Sikob break; 2084103285Sikob case FWTCODE_RREQB: 2085110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2086103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2087103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2088103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2089103285Sikob sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len)); 2090103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2091103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2092103285Sikob sfp->mode.rresb.rtcode = 0; 2093103285Sikob sfp->mode.rresb.extcode = 0; 2094103285Sikob break; 2095103285Sikob case FWTCODE_RREQQ: 2096110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2097103285Sikob xfer->send.len = 16; 2098103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2099103285Sikob sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2100103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2101103285Sikob sfp->mode.rresb.rtcode = 0; 2102103285Sikob break; 2103103285Sikob default: 2104103285Sikob fw_xfer_free( xfer); 2105103285Sikob return; 2106103285Sikob } 2107103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2108103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2109103285Sikob xfer->act.hand = fw_xfer_free; 2110103285Sikob xfer->retry_req = fw_asybusy; 2111103285Sikob 2112103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2113103285Sikob sfp->mode.hdr.pri = 0; 2114103285Sikob 2115103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2116103285Sikob/**/ 2117103285Sikob return; 2118103285Sikob} 2119106543Ssimokawa#endif 2120106543Ssimokawa 2121103285Sikob/* 2122103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2123103285Sikob */ 2124106815Ssimokawau_int16_t 2125106815Ssimokawafw_crc16(u_int32_t *ptr, u_int32_t len){ 2126103285Sikob u_int32_t i, sum, crc = 0; 2127103285Sikob int shift; 2128103285Sikob len = (len + 3) & ~3; 2129103285Sikob for(i = 0 ; i < len ; i+= 4){ 2130103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2131103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2132103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2133103285Sikob } 2134103285Sikob crc &= 0xffff; 2135103285Sikob } 2136103285Sikob return((u_int16_t) crc); 2137103285Sikob} 2138106815Ssimokawa 2139110270Ssimokawastatic int 2140110072Ssimokawafw_bmr(struct firewire_comm *fc) 2141110072Ssimokawa{ 2142110072Ssimokawa struct fw_device fwdev; 2143113584Ssimokawa union fw_self_id *self_id; 2144110072Ssimokawa int cmstr; 2145120660Ssimokawa u_int32_t quad; 2146110072Ssimokawa 2147113584Ssimokawa /* Check to see if the current root node is cycle master capable */ 2148113584Ssimokawa self_id = &fc->topology_map->self_id[fc->max_node]; 2149113584Ssimokawa if (fc->max_node > 0) { 2150114909Ssimokawa /* XXX check cmc bit of businfo block rather than contender */ 2151114909Ssimokawa if (self_id->p0.link_active && self_id->p0.contender) 2152113584Ssimokawa cmstr = fc->max_node; 2153114909Ssimokawa else { 2154114909Ssimokawa device_printf(fc->bdev, 2155114909Ssimokawa "root node is not cycle master capable\n"); 2156114909Ssimokawa /* XXX shall we be the cycle master? */ 2157113584Ssimokawa cmstr = fc->nodeid; 2158114909Ssimokawa /* XXX need bus reset */ 2159114909Ssimokawa } 2160113584Ssimokawa } else 2161113584Ssimokawa cmstr = -1; 2162114909Ssimokawa 2163114909Ssimokawa device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID)); 2164114909Ssimokawa if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) { 2165114909Ssimokawa /* We are not the bus manager */ 2166114909Ssimokawa printf("\n"); 2167114909Ssimokawa return(0); 2168114909Ssimokawa } 2169114909Ssimokawa printf("(me)\n"); 2170114909Ssimokawa 2171114909Ssimokawa /* Optimize gapcount */ 2172113584Ssimokawa if(fc->max_hop <= MAX_GAPHOP ) 2173113584Ssimokawa fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]); 2174110072Ssimokawa /* If we are the cycle master, nothing to do */ 2175113584Ssimokawa if (cmstr == fc->nodeid || cmstr == -1) 2176110072Ssimokawa return 0; 2177110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2178110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2179110072Ssimokawa fwdev.fc = fc; 2180110072Ssimokawa fwdev.dst = cmstr; 2181110072Ssimokawa fwdev.speed = 0; 2182110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2183110072Ssimokawa fwdev.status = FWDEVINIT; 2184110072Ssimokawa /* Set cmstr bit on the cycle master */ 2185120660Ssimokawa quad = htonl(1 << 8); 2186110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2187120660Ssimokawa 0xffff, 0xf0000000 | STATE_SET, &quad, fw_asy_callback_free); 2188110072Ssimokawa 2189110072Ssimokawa return 0; 2190110072Ssimokawa} 2191110072Ssimokawa 2192118455Ssimokawastatic int 2193118455Ssimokawafw_modevent(module_t mode, int type, void *data) 2194118455Ssimokawa{ 2195118455Ssimokawa int err = 0; 2196118455Ssimokawa#if __FreeBSD_version >= 500000 2197118455Ssimokawa static eventhandler_tag fwdev_ehtag = NULL; 2198118455Ssimokawa#endif 2199118455Ssimokawa 2200118455Ssimokawa switch (type) { 2201118455Ssimokawa case MOD_LOAD: 2202118455Ssimokawa#if __FreeBSD_version >= 500000 2203118455Ssimokawa fwdev_ehtag = EVENTHANDLER_REGISTER(dev_clone, 2204118455Ssimokawa fwdev_clone, 0, 1000); 2205118455Ssimokawa#endif 2206118455Ssimokawa break; 2207118455Ssimokawa case MOD_UNLOAD: 2208118455Ssimokawa#if __FreeBSD_version >= 500000 2209118455Ssimokawa if (fwdev_ehtag != NULL) 2210118455Ssimokawa EVENTHANDLER_DEREGISTER(dev_clone, fwdev_ehtag); 2211118455Ssimokawa#endif 2212118455Ssimokawa break; 2213118455Ssimokawa case MOD_SHUTDOWN: 2214118455Ssimokawa break; 2215118455Ssimokawa } 2216118455Ssimokawa return (err); 2217118455Ssimokawa} 2218118455Ssimokawa 2219118455Ssimokawa 2220118455SsimokawaDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,fw_modevent,0); 2221103285SikobMODULE_VERSION(firewire, 1); 2222