firewire.c revision 169130
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 169130 2007-04-30 13:41:40Z 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> 47103285Sikob 48127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 49117067Ssimokawa#include <machine/clock.h> /* for DELAY() */ 50117067Ssimokawa#endif 51103285Sikob 52103285Sikob#include <sys/bus.h> /* used by smbus and newbus */ 53113584Ssimokawa#include <machine/bus.h> 54103285Sikob 55127468Ssimokawa#ifdef __DragonFly__ 56127468Ssimokawa#include "firewire.h" 57127468Ssimokawa#include "firewirereg.h" 58127468Ssimokawa#include "fwmem.h" 59127468Ssimokawa#include "iec13213.h" 60127468Ssimokawa#include "iec68113.h" 61127468Ssimokawa#else 62103285Sikob#include <dev/firewire/firewire.h> 63103285Sikob#include <dev/firewire/firewirereg.h> 64110072Ssimokawa#include <dev/firewire/fwmem.h> 65103285Sikob#include <dev/firewire/iec13213.h> 66103285Sikob#include <dev/firewire/iec68113.h> 67127468Ssimokawa#endif 68103285Sikob 69116376Ssimokawastruct crom_src_buf { 70116376Ssimokawa struct crom_src src; 71116376Ssimokawa struct crom_chunk root; 72116376Ssimokawa struct crom_chunk vendor; 73116376Ssimokawa struct crom_chunk hw; 74116376Ssimokawa}; 75116376Ssimokawa 76120850Ssimokawaint firewire_debug=0, try_bmr=1, hold_count=3; 77103285SikobSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 78108281Ssimokawa "FireWire driver debug flag"); 79109736SsimokawaSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 80109736SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 81109736Ssimokawa "Try to be a bus manager"); 82120850SsimokawaSYSCTL_INT(_hw_firewire, OID_AUTO, hold_count, CTLFLAG_RW, &hold_count, 0, 83120850Ssimokawa "Number of count of bus resets for removing lost device information"); 84103285Sikob 85110195SsimokawaMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 86110269SsimokawaMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 87110195Ssimokawa 88103285Sikob#define FW_MAXASYRTY 4 89103285Sikob 90103285Sikobdevclass_t firewire_devclass; 91103285Sikob 92125238Ssimokawastatic void firewire_identify (driver_t *, device_t); 93125238Ssimokawastatic int firewire_probe (device_t); 94124169Ssimokawastatic int firewire_attach (device_t); 95124169Ssimokawastatic int firewire_detach (device_t); 96124169Ssimokawastatic int firewire_resume (device_t); 97103285Sikob#if 0 98124169Ssimokawastatic int firewire_shutdown (device_t); 99103285Sikob#endif 100124169Ssimokawastatic device_t firewire_add_child (device_t, int, const char *, int); 101124169Ssimokawastatic void fw_try_bmr (void *); 102124169Ssimokawastatic void fw_try_bmr_callback (struct fw_xfer *); 103124169Ssimokawastatic void fw_asystart (struct fw_xfer *); 104124169Ssimokawastatic int fw_get_tlabel (struct firewire_comm *, struct fw_xfer *); 105124169Ssimokawastatic void fw_bus_probe (struct firewire_comm *); 106124169Ssimokawastatic void fw_bus_explore (struct firewire_comm *); 107124169Ssimokawastatic void fw_bus_explore_callback (struct fw_xfer *); 108124169Ssimokawastatic void fw_attach_dev (struct firewire_comm *); 109106543Ssimokawa#ifdef FW_VMACCESS 110124169Ssimokawastatic void fw_vmaccess (struct fw_xfer *); 111106543Ssimokawa#endif 112129585Sdfrstruct fw_xfer *asyreqq (struct firewire_comm *, uint8_t, uint8_t, uint8_t, 113129585Sdfr uint32_t, uint32_t, void (*)(struct fw_xfer *)); 114124169Ssimokawastatic int fw_bmr (struct firewire_comm *); 115103285Sikob 116103285Sikobstatic device_method_t firewire_methods[] = { 117103285Sikob /* Device interface */ 118125238Ssimokawa DEVMETHOD(device_identify, firewire_identify), 119125238Ssimokawa DEVMETHOD(device_probe, firewire_probe), 120103285Sikob DEVMETHOD(device_attach, firewire_attach), 121103285Sikob DEVMETHOD(device_detach, firewire_detach), 122108642Ssimokawa DEVMETHOD(device_suspend, bus_generic_suspend), 123116978Ssimokawa DEVMETHOD(device_resume, firewire_resume), 124103285Sikob DEVMETHOD(device_shutdown, bus_generic_shutdown), 125103285Sikob 126103285Sikob /* Bus interface */ 127103285Sikob DEVMETHOD(bus_add_child, firewire_add_child), 128103285Sikob DEVMETHOD(bus_print_child, bus_generic_print_child), 129103285Sikob 130103285Sikob { 0, 0 } 131103285Sikob}; 132124251Ssimokawachar *linkspeed[] = { 133124251Ssimokawa "S100", "S200", "S400", "S800", 134124251Ssimokawa "S1600", "S3200", "undef", "undef" 135124251Ssimokawa}; 136103285Sikob 137124251Ssimokawastatic char *tcode_str[] = { 138124251Ssimokawa "WREQQ", "WREQB", "WRES", "undef", 139124251Ssimokawa "RREQQ", "RREQB", "RRESQ", "RRESB", 140124251Ssimokawa "CYCS", "LREQ", "STREAM", "LRES", 141124251Ssimokawa "undef", "undef", "PHY", "undef" 142124251Ssimokawa}; 143124251Ssimokawa 144114909Ssimokawa/* IEEE-1394a Table C-2 Gap count as a function of hops*/ 145114909Ssimokawa#define MAX_GAPHOP 15 146114909Ssimokawau_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18, 147114909Ssimokawa 21, 24, 26, 29, 32, 35, 37, 40}; 148106813Ssimokawa 149103285Sikobstatic driver_t firewire_driver = { 150103285Sikob "firewire", 151103285Sikob firewire_methods, 152103285Sikob sizeof(struct firewire_softc), 153103285Sikob}; 154103285Sikob 155103285Sikob/* 156110072Ssimokawa * Lookup fwdev by node id. 157103285Sikob */ 158106810Ssimokawastruct fw_device * 159110072Ssimokawafw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 160103285Sikob{ 161103285Sikob struct fw_device *fwdev; 162110072Ssimokawa int s; 163110072Ssimokawa 164110072Ssimokawa s = splfw(); 165110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 166120660Ssimokawa if (fwdev->dst == dst && fwdev->status != FWDEVINVAL) 167103285Sikob break; 168110072Ssimokawa splx(s); 169110072Ssimokawa 170106810Ssimokawa return fwdev; 171103285Sikob} 172106813Ssimokawa 173103285Sikob/* 174110072Ssimokawa * Lookup fwdev by EUI64. 175110072Ssimokawa */ 176110072Ssimokawastruct fw_device * 177110582Ssimokawafw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 178110072Ssimokawa{ 179110072Ssimokawa struct fw_device *fwdev; 180110072Ssimokawa int s; 181110072Ssimokawa 182110072Ssimokawa s = splfw(); 183110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 184110582Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 185110072Ssimokawa break; 186110072Ssimokawa splx(s); 187110072Ssimokawa 188110072Ssimokawa if(fwdev == NULL) return NULL; 189110072Ssimokawa if(fwdev->status == FWDEVINVAL) return NULL; 190110072Ssimokawa return fwdev; 191110072Ssimokawa} 192110072Ssimokawa 193110072Ssimokawa/* 194103285Sikob * Async. request procedure for userland application. 195103285Sikob */ 196103285Sikobint 197103285Sikobfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 198103285Sikob{ 199103285Sikob int err = 0; 200103285Sikob struct fw_xferq *xferq; 201169119Ssimokawa int tl = -1, len; 202103285Sikob struct fw_pkt *fp; 203103285Sikob int tcode; 204103285Sikob struct tcode_info *info; 205103285Sikob 206103285Sikob if(xfer == NULL) return EINVAL; 207167632Ssimokawa if(xfer->hand == NULL){ 208167632Ssimokawa printf("hand == NULL\n"); 209103285Sikob return EINVAL; 210103285Sikob } 211120660Ssimokawa fp = &xfer->send.hdr; 212103285Sikob 213103285Sikob tcode = fp->mode.common.tcode & 0xf; 214103285Sikob info = &fc->tcode[tcode]; 215103285Sikob if (info->flag == 0) { 216124251Ssimokawa printf("invalid tcode=%x\n", tcode); 217103285Sikob return EINVAL; 218103285Sikob } 219103285Sikob if (info->flag & FWTI_REQ) 220103285Sikob xferq = fc->atq; 221103285Sikob else 222103285Sikob xferq = fc->ats; 223103285Sikob len = info->hdr_len; 224120660Ssimokawa if (xfer->send.pay_len > MAXREC(fc->maxrec)) { 225120660Ssimokawa printf("send.pay_len > maxrec\n"); 226120660Ssimokawa return EINVAL; 227120660Ssimokawa } 228103285Sikob if (info->flag & FWTI_BLOCK_STR) 229120660Ssimokawa len = fp->mode.stream.len; 230103285Sikob else if (info->flag & FWTI_BLOCK_ASY) 231120660Ssimokawa len = fp->mode.rresb.len; 232120660Ssimokawa else 233120660Ssimokawa len = 0; 234120660Ssimokawa if (len != xfer->send.pay_len){ 235124251Ssimokawa printf("len(%d) != send.pay_len(%d) %s(%x)\n", 236124251Ssimokawa len, xfer->send.pay_len, tcode_str[tcode], tcode); 237103285Sikob return EINVAL; 238103285Sikob } 239106790Ssimokawa 240103285Sikob if(xferq->start == NULL){ 241103285Sikob printf("xferq->start == NULL\n"); 242103285Sikob return EINVAL; 243103285Sikob } 244103285Sikob if(!(xferq->queued < xferq->maxq)){ 245108655Ssimokawa device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 246108655Ssimokawa xferq->queued); 247103285Sikob return EINVAL; 248103285Sikob } 249103285Sikob 250103285Sikob if (info->flag & FWTI_TLABEL) { 251130460Sdfr if ((tl = fw_get_tlabel(fc, xfer)) == -1) 252130460Sdfr return EAGAIN; 253103285Sikob fp->mode.hdr.tlrt = tl << 2; 254103285Sikob } 255103285Sikob 256103285Sikob xfer->tl = tl; 257103285Sikob xfer->resp = 0; 258103285Sikob xfer->fc = fc; 259103285Sikob xfer->q = xferq; 260103285Sikob 261103285Sikob fw_asystart(xfer); 262103285Sikob return err; 263103285Sikob} 264103285Sikob/* 265103285Sikob * Wakeup blocked process. 266103285Sikob */ 267103285Sikobvoid 268103285Sikobfw_asy_callback(struct fw_xfer *xfer){ 269103285Sikob wakeup(xfer); 270103285Sikob return; 271103285Sikob} 272103285Sikob 273103285Sikob/* 274103285Sikob * Async. request with given xfer structure. 275103285Sikob */ 276106790Ssimokawastatic void 277106790Ssimokawafw_asystart(struct fw_xfer *xfer) 278106790Ssimokawa{ 279103285Sikob struct firewire_comm *fc = xfer->fc; 280103285Sikob int s; 281103285Sikob#if 0 /* XXX allow bus explore packets only after bus rest */ 282103285Sikob if (fc->status < FWBUSEXPLORE) { 283103285Sikob xfer->resp = EAGAIN; 284103285Sikob xfer->state = FWXF_BUSY; 285167632Ssimokawa if (xfer->hand != NULL) 286167632Ssimokawa xfer->hand(xfer); 287103285Sikob return; 288103285Sikob } 289103285Sikob#endif 290127468Ssimokawa microtime(&xfer->tv); 291103285Sikob s = splfw(); 292103285Sikob xfer->state = FWXF_INQ; 293103285Sikob STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 294103285Sikob xfer->q->queued ++; 295103285Sikob splx(s); 296103285Sikob /* XXX just queue for mbuf */ 297103285Sikob if (xfer->mbuf == NULL) 298103285Sikob xfer->q->start(fc); 299103285Sikob return; 300103285Sikob} 301106790Ssimokawa 302125238Ssimokawastatic void 303125238Ssimokawafirewire_identify(driver_t *driver, device_t parent) 304125238Ssimokawa{ 305125238Ssimokawa BUS_ADD_CHILD(parent, 0, "firewire", -1); 306125238Ssimokawa} 307125238Ssimokawa 308103285Sikobstatic int 309125238Ssimokawafirewire_probe(device_t dev) 310103285Sikob{ 311108281Ssimokawa device_set_desc(dev, "IEEE1394(FireWire) bus"); 312125238Ssimokawa return (0); 313103285Sikob} 314106790Ssimokawa 315110577Ssimokawastatic void 316110577Ssimokawafirewire_xfer_timeout(struct firewire_comm *fc) 317110577Ssimokawa{ 318110577Ssimokawa struct fw_xfer *xfer; 319110577Ssimokawa struct timeval tv; 320110577Ssimokawa struct timeval split_timeout; 321111040Ssimokawa int i, s; 322110577Ssimokawa 323120660Ssimokawa split_timeout.tv_sec = 0; 324120660Ssimokawa split_timeout.tv_usec = 200 * 1000; /* 200 msec */ 325110577Ssimokawa 326110577Ssimokawa microtime(&tv); 327110577Ssimokawa timevalsub(&tv, &split_timeout); 328110577Ssimokawa 329111040Ssimokawa s = splfw(); 330110577Ssimokawa for (i = 0; i < 0x40; i ++) { 331169119Ssimokawa while ((xfer = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 332110577Ssimokawa if (timevalcmp(&xfer->tv, &tv, >)) 333110577Ssimokawa /* the rests are newer than this */ 334110577Ssimokawa break; 335124145Ssimokawa if (xfer->state == FWXF_START) 336124145Ssimokawa /* not sent yet */ 337124145Ssimokawa break; 338110577Ssimokawa device_printf(fc->bdev, 339117716Ssimokawa "split transaction timeout dst=0x%x tl=0x%x state=%d\n", 340120660Ssimokawa xfer->send.hdr.mode.hdr.dst, i, xfer->state); 341110577Ssimokawa xfer->resp = ETIMEDOUT; 342113584Ssimokawa fw_xfer_done(xfer); 343110577Ssimokawa } 344110577Ssimokawa } 345111040Ssimokawa splx(s); 346110577Ssimokawa} 347110577Ssimokawa 348121463Ssimokawa#define WATCHDOC_HZ 10 349110577Ssimokawastatic void 350110577Ssimokawafirewire_watchdog(void *arg) 351110577Ssimokawa{ 352110577Ssimokawa struct firewire_comm *fc; 353121463Ssimokawa static int watchdoc_clock = 0; 354110577Ssimokawa 355110577Ssimokawa fc = (struct firewire_comm *)arg; 356121463Ssimokawa 357121463Ssimokawa /* 358121463Ssimokawa * At boot stage, the device interrupt is disabled and 359121463Ssimokawa * We encounter a timeout easily. To avoid this, 360121463Ssimokawa * ignore clock interrupt for a while. 361121463Ssimokawa */ 362121463Ssimokawa if (watchdoc_clock > WATCHDOC_HZ * 15) { 363121463Ssimokawa firewire_xfer_timeout(fc); 364121463Ssimokawa fc->timeout(fc); 365121463Ssimokawa } else 366121463Ssimokawa watchdoc_clock ++; 367121463Ssimokawa 368121463Ssimokawa callout_reset(&fc->timeout_callout, hz / WATCHDOC_HZ, 369110577Ssimokawa (void *)firewire_watchdog, (void *)fc); 370110577Ssimokawa} 371110577Ssimokawa 372103285Sikob/* 373103285Sikob * The attach routine. 374103285Sikob */ 375103285Sikobstatic int 376118455Ssimokawafirewire_attach(device_t dev) 377103285Sikob{ 378118455Ssimokawa int unit; 379103285Sikob struct firewire_softc *sc = device_get_softc(dev); 380103285Sikob device_t pa = device_get_parent(dev); 381103285Sikob struct firewire_comm *fc; 382103285Sikob 383103285Sikob fc = (struct firewire_comm *)device_get_softc(pa); 384103285Sikob sc->fc = fc; 385116978Ssimokawa fc->status = FWBUSNOTREADY; 386103285Sikob 387118455Ssimokawa unit = device_get_unit(dev); 388118455Ssimokawa if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 389103285Sikob 390118455Ssimokawa fwdev_makedev(sc); 391118455Ssimokawa 392110193Ssimokawa CALLOUT_INIT(&sc->fc->timeout_callout); 393110193Ssimokawa CALLOUT_INIT(&sc->fc->bmr_callout); 394110193Ssimokawa CALLOUT_INIT(&sc->fc->busprobe_callout); 395108853Ssimokawa 396110577Ssimokawa callout_reset(&sc->fc->timeout_callout, hz, 397110577Ssimokawa (void *)firewire_watchdog, (void *)sc->fc); 398110193Ssimokawa 399103285Sikob /* Locate our children */ 400103285Sikob bus_generic_probe(dev); 401103285Sikob 402103285Sikob /* launch attachement of the added children */ 403103285Sikob bus_generic_attach(dev); 404103285Sikob 405103285Sikob /* bus_reset */ 406169117Ssimokawa fw_busreset(fc, FWBUSNOTREADY); 407103285Sikob fc->ibr(fc); 408103285Sikob 409103285Sikob return 0; 410103285Sikob} 411103285Sikob 412103285Sikob/* 413103285Sikob * Attach it as child. 414103285Sikob */ 415103285Sikobstatic device_t 416103285Sikobfirewire_add_child(device_t dev, int order, const char *name, int unit) 417103285Sikob{ 418103285Sikob device_t child; 419103285Sikob struct firewire_softc *sc; 420103285Sikob 421103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 422103285Sikob child = device_add_child(dev, name, unit); 423103285Sikob if (child) { 424103285Sikob device_set_ivars(child, sc->fc); 425103285Sikob device_probe_and_attach(child); 426103285Sikob } 427103285Sikob 428103285Sikob return child; 429103285Sikob} 430106790Ssimokawa 431116978Ssimokawastatic int 432116978Ssimokawafirewire_resume(device_t dev) 433116978Ssimokawa{ 434116978Ssimokawa struct firewire_softc *sc; 435116978Ssimokawa 436116978Ssimokawa sc = (struct firewire_softc *)device_get_softc(dev); 437116978Ssimokawa sc->fc->status = FWBUSNOTREADY; 438116978Ssimokawa 439116978Ssimokawa bus_generic_resume(dev); 440116978Ssimokawa 441116978Ssimokawa return(0); 442116978Ssimokawa} 443116978Ssimokawa 444103285Sikob/* 445103285Sikob * Dettach it. 446103285Sikob */ 447103285Sikobstatic int 448118455Ssimokawafirewire_detach(device_t dev) 449103285Sikob{ 450103285Sikob struct firewire_softc *sc; 451111074Ssimokawa struct csrdir *csrd, *next; 452111078Ssimokawa struct fw_device *fwdev, *fwdev_next; 453118455Ssimokawa int err; 454103285Sikob 455103285Sikob sc = (struct firewire_softc *)device_get_softc(dev); 456118455Ssimokawa if ((err = fwdev_destroydev(sc)) != 0) 457118455Ssimokawa return err; 458106790Ssimokawa 459118455Ssimokawa if ((err = bus_generic_detach(dev)) != 0) 460118455Ssimokawa return err; 461111078Ssimokawa 462111078Ssimokawa callout_stop(&sc->fc->timeout_callout); 463111078Ssimokawa callout_stop(&sc->fc->bmr_callout); 464111078Ssimokawa callout_stop(&sc->fc->busprobe_callout); 465111078Ssimokawa 466103285Sikob /* XXX xfree_free and untimeout on all xfers */ 467111078Ssimokawa for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 468111078Ssimokawa fwdev = fwdev_next) { 469111078Ssimokawa fwdev_next = STAILQ_NEXT(fwdev, link); 470111078Ssimokawa free(fwdev, M_FW); 471111078Ssimokawa } 472111074Ssimokawa for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 473111074Ssimokawa next = SLIST_NEXT(csrd, link); 474111074Ssimokawa free(csrd, M_FW); 475111074Ssimokawa } 476110195Ssimokawa free(sc->fc->topology_map, M_FW); 477110195Ssimokawa free(sc->fc->speed_map, M_FW); 478116376Ssimokawa free(sc->fc->crom_src_buf, M_FW); 479103285Sikob return(0); 480103285Sikob} 481103285Sikob#if 0 482103285Sikobstatic int 483103285Sikobfirewire_shutdown( device_t dev ) 484103285Sikob{ 485103285Sikob return 0; 486103285Sikob} 487103285Sikob#endif 488106790Ssimokawa 489110577Ssimokawa 490110577Ssimokawastatic void 491110798Ssimokawafw_xferq_drain(struct fw_xferq *xferq) 492110577Ssimokawa{ 493110577Ssimokawa struct fw_xfer *xfer; 494110577Ssimokawa 495110577Ssimokawa while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 496110577Ssimokawa STAILQ_REMOVE_HEAD(&xferq->q, link); 497111942Ssimokawa xferq->queued --; 498110577Ssimokawa xfer->resp = EAGAIN; 499113584Ssimokawa fw_xfer_done(xfer); 500110577Ssimokawa } 501110577Ssimokawa} 502110577Ssimokawa 503110798Ssimokawavoid 504110798Ssimokawafw_drain_txq(struct firewire_comm *fc) 505110798Ssimokawa{ 506110798Ssimokawa int i; 507110798Ssimokawa 508110798Ssimokawa fw_xferq_drain(fc->atq); 509110798Ssimokawa fw_xferq_drain(fc->ats); 510110798Ssimokawa for(i = 0; i < fc->nisodma; i++) 511110798Ssimokawa fw_xferq_drain(fc->it[i]); 512110798Ssimokawa} 513110798Ssimokawa 514116376Ssimokawastatic void 515116376Ssimokawafw_reset_csr(struct firewire_comm *fc) 516103285Sikob{ 517103285Sikob int i; 518103285Sikob 519103285Sikob CSRARC(fc, STATE_CLEAR) 520103285Sikob = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 521103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 522103285Sikob CSRARC(fc, NODE_IDS) = 0x3f; 523103285Sikob 524103285Sikob CSRARC(fc, TOPO_MAP + 8) = 0; 525103285Sikob fc->irm = -1; 526103285Sikob 527103285Sikob fc->max_node = -1; 528103285Sikob 529103285Sikob for(i = 2; i < 0x100/4 - 2 ; i++){ 530103285Sikob CSRARC(fc, SPED_MAP + i * 4) = 0; 531103285Sikob } 532103285Sikob CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 533103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 534103285Sikob CSRARC(fc, RESET_START) = 0; 535103285Sikob CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 536103285Sikob CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 537103285Sikob CSRARC(fc, CYCLE_TIME) = 0x0; 538103285Sikob CSRARC(fc, BUS_TIME) = 0x0; 539103285Sikob CSRARC(fc, BUS_MGR_ID) = 0x3f; 540103285Sikob CSRARC(fc, BANDWIDTH_AV) = 4915; 541103285Sikob CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 542103285Sikob CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 543103285Sikob CSRARC(fc, IP_CHANNELS) = (1 << 31); 544103285Sikob 545103285Sikob CSRARC(fc, CONF_ROM) = 0x04 << 24; 546103285Sikob CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 547103285Sikob CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 548103285Sikob 1 << 28 | 0xff << 16 | 0x09 << 8; 549103285Sikob CSRARC(fc, CONF_ROM + 0xc) = 0; 550103285Sikob 551103285Sikob/* DV depend CSRs see blue book */ 552103285Sikob CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 553103285Sikob CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 554103285Sikob 555103285Sikob CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 556103285Sikob CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 557116376Ssimokawa} 558113584Ssimokawa 559116376Ssimokawastatic void 560116376Ssimokawafw_init_crom(struct firewire_comm *fc) 561116376Ssimokawa{ 562116376Ssimokawa struct crom_src *src; 563116376Ssimokawa 564116376Ssimokawa fc->crom_src_buf = (struct crom_src_buf *) 565116376Ssimokawa malloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO); 566116376Ssimokawa if (fc->crom_src_buf == NULL) 567116376Ssimokawa return; 568116376Ssimokawa 569116376Ssimokawa src = &fc->crom_src_buf->src; 570116376Ssimokawa bzero(src, sizeof(struct crom_src)); 571116376Ssimokawa 572116376Ssimokawa /* BUS info sample */ 573116376Ssimokawa src->hdr.info_len = 4; 574116376Ssimokawa 575116376Ssimokawa src->businfo.bus_name = CSR_BUS_NAME_IEEE1394; 576116376Ssimokawa 577116376Ssimokawa src->businfo.irmc = 1; 578116376Ssimokawa src->businfo.cmc = 1; 579116376Ssimokawa src->businfo.isc = 1; 580116376Ssimokawa src->businfo.bmc = 1; 581116376Ssimokawa src->businfo.pmc = 0; 582116376Ssimokawa src->businfo.cyc_clk_acc = 100; 583116376Ssimokawa src->businfo.max_rec = fc->maxrec; 584116376Ssimokawa src->businfo.max_rom = MAXROM_4; 585117350Ssimokawa src->businfo.generation = 1; 586116376Ssimokawa src->businfo.link_spd = fc->speed; 587116376Ssimokawa 588116376Ssimokawa src->businfo.eui64.hi = fc->eui.hi; 589116376Ssimokawa src->businfo.eui64.lo = fc->eui.lo; 590116376Ssimokawa 591116376Ssimokawa STAILQ_INIT(&src->chunk_list); 592116376Ssimokawa 593116376Ssimokawa fc->crom_src = src; 594116376Ssimokawa fc->crom_root = &fc->crom_src_buf->root; 595116376Ssimokawa} 596116376Ssimokawa 597116376Ssimokawastatic void 598116376Ssimokawafw_reset_crom(struct firewire_comm *fc) 599116376Ssimokawa{ 600116376Ssimokawa struct crom_src_buf *buf; 601116376Ssimokawa struct crom_src *src; 602116376Ssimokawa struct crom_chunk *root; 603116376Ssimokawa 604116376Ssimokawa if (fc->crom_src_buf == NULL) 605116376Ssimokawa fw_init_crom(fc); 606116376Ssimokawa 607116376Ssimokawa buf = fc->crom_src_buf; 608116376Ssimokawa src = fc->crom_src; 609116376Ssimokawa root = fc->crom_root; 610116376Ssimokawa 611116376Ssimokawa STAILQ_INIT(&src->chunk_list); 612116376Ssimokawa 613116376Ssimokawa bzero(root, sizeof(struct crom_chunk)); 614116376Ssimokawa crom_add_chunk(src, NULL, root, 0); 615116376Ssimokawa crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */ 616116376Ssimokawa /* private company_id */ 617116376Ssimokawa crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE); 618127468Ssimokawa#ifdef __DragonFly__ 619127468Ssimokawa crom_add_simple_text(src, root, &buf->vendor, "DragonFly Project"); 620127468Ssimokawa crom_add_entry(root, CSRKEY_HW, __DragonFly_cc_version); 621127468Ssimokawa#else 622116376Ssimokawa crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project"); 623116376Ssimokawa crom_add_entry(root, CSRKEY_HW, __FreeBSD_version); 624127468Ssimokawa#endif 625116376Ssimokawa crom_add_simple_text(src, root, &buf->hw, hostname); 626116376Ssimokawa} 627116376Ssimokawa 628116376Ssimokawa/* 629116376Ssimokawa * Called after bus reset. 630116376Ssimokawa */ 631116376Ssimokawavoid 632169117Ssimokawafw_busreset(struct firewire_comm *fc, uint32_t new_status) 633116376Ssimokawa{ 634116376Ssimokawa struct firewire_dev_comm *fdc; 635117350Ssimokawa struct crom_src *src; 636116376Ssimokawa device_t *devlistp; 637117350Ssimokawa void *newrom; 638116376Ssimokawa int i, devcnt; 639116376Ssimokawa 640116376Ssimokawa switch(fc->status){ 641116376Ssimokawa case FWBUSMGRELECT: 642116376Ssimokawa callout_stop(&fc->bmr_callout); 643116376Ssimokawa break; 644116376Ssimokawa default: 645116376Ssimokawa break; 646116376Ssimokawa } 647169117Ssimokawa fc->status = new_status; 648116376Ssimokawa fw_reset_csr(fc); 649116376Ssimokawa fw_reset_crom(fc); 650116376Ssimokawa 651113584Ssimokawa if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) { 652113584Ssimokawa for( i = 0 ; i < devcnt ; i++) 653113584Ssimokawa if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 654113584Ssimokawa fdc = device_get_softc(devlistp[i]); 655113584Ssimokawa if (fdc->post_busreset != NULL) 656113584Ssimokawa fdc->post_busreset(fdc); 657113584Ssimokawa } 658113584Ssimokawa free(devlistp, M_TEMP); 659113584Ssimokawa } 660116376Ssimokawa 661117350Ssimokawa newrom = malloc(CROMSIZE, M_FW, M_NOWAIT | M_ZERO); 662117350Ssimokawa src = &fc->crom_src_buf->src; 663129585Sdfr crom_load(src, (uint32_t *)newrom, CROMSIZE); 664117350Ssimokawa if (bcmp(newrom, fc->config_rom, CROMSIZE) != 0) { 665117350Ssimokawa /* bump generation and reload */ 666117350Ssimokawa src->businfo.generation ++; 667117350Ssimokawa /* generation must be between 0x2 and 0xF */ 668117350Ssimokawa if (src->businfo.generation < 2) 669117350Ssimokawa src->businfo.generation ++; 670129585Sdfr crom_load(src, (uint32_t *)newrom, CROMSIZE); 671117350Ssimokawa bcopy(newrom, (void *)fc->config_rom, CROMSIZE); 672117350Ssimokawa } 673117350Ssimokawa free(newrom, M_FW); 674103285Sikob} 675106790Ssimokawa 676103285Sikob/* Call once after reboot */ 677106790Ssimokawavoid fw_init(struct firewire_comm *fc) 678103285Sikob{ 679103285Sikob int i; 680106543Ssimokawa struct csrdir *csrd; 681106543Ssimokawa#ifdef FW_VMACCESS 682103285Sikob struct fw_xfer *xfer; 683103285Sikob struct fw_bind *fwb; 684106543Ssimokawa#endif 685103285Sikob 686103285Sikob fc->arq->queued = 0; 687103285Sikob fc->ars->queued = 0; 688103285Sikob fc->atq->queued = 0; 689103285Sikob fc->ats->queued = 0; 690103285Sikob 691103285Sikob fc->arq->buf = NULL; 692103285Sikob fc->ars->buf = NULL; 693103285Sikob fc->atq->buf = NULL; 694103285Sikob fc->ats->buf = NULL; 695103285Sikob 696113584Ssimokawa fc->arq->flag = 0; 697113584Ssimokawa fc->ars->flag = 0; 698113584Ssimokawa fc->atq->flag = 0; 699113584Ssimokawa fc->ats->flag = 0; 700103285Sikob 701103285Sikob STAILQ_INIT(&fc->atq->q); 702103285Sikob STAILQ_INIT(&fc->ats->q); 703103285Sikob 704103285Sikob for( i = 0 ; i < fc->nisodma ; i ++ ){ 705103285Sikob fc->it[i]->queued = 0; 706103285Sikob fc->ir[i]->queued = 0; 707103285Sikob 708103285Sikob fc->it[i]->start = NULL; 709103285Sikob fc->ir[i]->start = NULL; 710103285Sikob 711103285Sikob fc->it[i]->buf = NULL; 712103285Sikob fc->ir[i]->buf = NULL; 713103285Sikob 714103285Sikob fc->it[i]->flag = FWXFERQ_STREAM; 715103285Sikob fc->ir[i]->flag = FWXFERQ_STREAM; 716103285Sikob 717103285Sikob STAILQ_INIT(&fc->it[i]->q); 718103285Sikob STAILQ_INIT(&fc->ir[i]->q); 719103285Sikob } 720103285Sikob 721103285Sikob fc->arq->maxq = FWMAXQUEUE; 722103285Sikob fc->ars->maxq = FWMAXQUEUE; 723103285Sikob fc->atq->maxq = FWMAXQUEUE; 724103285Sikob fc->ats->maxq = FWMAXQUEUE; 725103285Sikob 726103285Sikob for( i = 0 ; i < fc->nisodma ; i++){ 727103285Sikob fc->ir[i]->maxq = FWMAXQUEUE; 728103285Sikob fc->it[i]->maxq = FWMAXQUEUE; 729103285Sikob } 730103285Sikob/* Initialize csr registers */ 731103285Sikob fc->topology_map = (struct fw_topology_map *)malloc( 732103285Sikob sizeof(struct fw_topology_map), 733110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 734103285Sikob fc->speed_map = (struct fw_speed_map *)malloc( 735103285Sikob sizeof(struct fw_speed_map), 736110195Ssimokawa M_FW, M_NOWAIT | M_ZERO); 737103285Sikob CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 738103285Sikob CSRARC(fc, TOPO_MAP + 4) = 1; 739103285Sikob CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 740103285Sikob CSRARC(fc, SPED_MAP + 4) = 1; 741103285Sikob 742110193Ssimokawa STAILQ_INIT(&fc->devices); 743103285Sikob 744103285Sikob/* Initialize csr ROM work space */ 745103285Sikob SLIST_INIT(&fc->ongocsr); 746103285Sikob SLIST_INIT(&fc->csrfree); 747103285Sikob for( i = 0 ; i < FWMAXCSRDIR ; i++){ 748110195Ssimokawa csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 749103285Sikob if(csrd == NULL) break; 750103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 751103285Sikob } 752103285Sikob 753103285Sikob/* Initialize Async handlers */ 754103285Sikob STAILQ_INIT(&fc->binds); 755103285Sikob for( i = 0 ; i < 0x40 ; i++){ 756103285Sikob STAILQ_INIT(&fc->tlabels[i]); 757103285Sikob } 758103285Sikob 759103285Sikob/* DV depend CSRs see blue book */ 760103285Sikob#if 0 761103285Sikob CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 762103285Sikob CSRARC(fc, oPCR) = 0x8000007a; 763103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 764103285Sikob CSRARC(fc, i + oPCR) = 0x8000007a; 765103285Sikob } 766103285Sikob 767103285Sikob CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 768103285Sikob CSRARC(fc, iPCR) = 0x803f0000; 769103285Sikob for(i = 4 ; i < 0x7c/4 ; i+=4){ 770103285Sikob CSRARC(fc, i + iPCR) = 0x0; 771103285Sikob } 772103285Sikob#endif 773103285Sikob 774116376Ssimokawa fc->crom_src_buf = NULL; 775103285Sikob 776106543Ssimokawa#ifdef FW_VMACCESS 777103285Sikob xfer = fw_xfer_alloc(); 778103285Sikob if(xfer == NULL) return; 779103285Sikob 780110195Ssimokawa fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 781103285Sikob if(fwb == NULL){ 782103285Sikob fw_xfer_free(xfer); 783139680Sjmg return; 784103285Sikob } 785167632Ssimokawa xfer->hand = fw_vmaccess; 786103285Sikob xfer->fc = fc; 787103285Sikob xfer->sc = NULL; 788103285Sikob 789103285Sikob fwb->start_hi = 0x2; 790103285Sikob fwb->start_lo = 0; 791103285Sikob fwb->addrlen = 0xffffffff; 792103285Sikob fwb->xfer = xfer; 793103285Sikob fw_bindadd(fc, fwb); 794106543Ssimokawa#endif 795103285Sikob} 796106790Ssimokawa 797120660Ssimokawa#define BIND_CMP(addr, fwb) (((addr) < (fwb)->start)?-1:\ 798120660Ssimokawa ((fwb)->end < (addr))?1:0) 799120660Ssimokawa 800103285Sikob/* 801129541Sdfr * To lookup bound process from IEEE1394 address. 802103285Sikob */ 803106813Ssimokawastruct fw_bind * 804129585Sdfrfw_bindlookup(struct firewire_comm *fc, uint16_t dest_hi, uint32_t dest_lo) 805103285Sikob{ 806120660Ssimokawa u_int64_t addr; 807103285Sikob struct fw_bind *tfw; 808120660Ssimokawa 809120660Ssimokawa addr = ((u_int64_t)dest_hi << 32) | dest_lo; 810120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) 811169130Ssimokawa if (BIND_CMP(addr, tfw) == 0) 812103285Sikob return(tfw); 813103285Sikob return(NULL); 814103285Sikob} 815106790Ssimokawa 816103285Sikob/* 817103285Sikob * To bind IEEE1394 address block to process. 818103285Sikob */ 819106790Ssimokawaint 820106790Ssimokawafw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 821103285Sikob{ 822120660Ssimokawa struct fw_bind *tfw, *prev = NULL; 823120660Ssimokawa 824120660Ssimokawa if (fwb->start > fwb->end) { 825127468Ssimokawa printf("%s: invalid range\n", __func__); 826120660Ssimokawa return EINVAL; 827120660Ssimokawa } 828120660Ssimokawa 829120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) { 830120660Ssimokawa if (fwb->end < tfw->start) 831120660Ssimokawa break; 832120660Ssimokawa prev = tfw; 833120660Ssimokawa } 834120660Ssimokawa if (prev == NULL) { 835103285Sikob STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 836169130Ssimokawa return (0); 837103285Sikob } 838120660Ssimokawa if (prev->end < fwb->start) { 839120660Ssimokawa STAILQ_INSERT_AFTER(&fc->binds, prev, fwb, fclist); 840169130Ssimokawa return (0); 841103285Sikob } 842120660Ssimokawa 843127468Ssimokawa printf("%s: bind failed\n", __func__); 844120660Ssimokawa return (EBUSY); 845103285Sikob} 846103285Sikob 847103285Sikob/* 848103285Sikob * To free IEEE1394 address block. 849103285Sikob */ 850106790Ssimokawaint 851106790Ssimokawafw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 852103285Sikob{ 853120660Ssimokawa#if 0 854120660Ssimokawa struct fw_xfer *xfer, *next; 855120660Ssimokawa#endif 856120660Ssimokawa struct fw_bind *tfw; 857103285Sikob int s; 858103285Sikob 859103285Sikob s = splfw(); 860120660Ssimokawa STAILQ_FOREACH(tfw, &fc->binds, fclist) 861120660Ssimokawa if (tfw == fwb) { 862120660Ssimokawa STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 863120660Ssimokawa goto found; 864120660Ssimokawa } 865120660Ssimokawa 866129541Sdfr printf("%s: no such binding\n", __func__); 867120660Ssimokawa splx(s); 868120660Ssimokawa return (1); 869120660Ssimokawafound: 870120660Ssimokawa#if 0 871113584Ssimokawa /* shall we do this? */ 872113584Ssimokawa for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) { 873113584Ssimokawa next = STAILQ_NEXT(xfer, link); 874113584Ssimokawa fw_xfer_free(xfer); 875113584Ssimokawa } 876113584Ssimokawa STAILQ_INIT(&fwb->xferlist); 877120660Ssimokawa#endif 878113584Ssimokawa 879103285Sikob splx(s); 880103285Sikob return 0; 881103285Sikob} 882103285Sikob 883169130Ssimokawaint 884169130Ssimokawafw_xferlist_add(struct fw_xferlist *q, struct malloc_type *type, 885169130Ssimokawa int slen, int rlen, int n, 886169130Ssimokawa struct firewire_comm *fc, void *sc, void (*hand)(struct fw_xfer *)) 887169130Ssimokawa{ 888169130Ssimokawa int i, s; 889169130Ssimokawa struct fw_xfer *xfer; 890169130Ssimokawa 891169130Ssimokawa for (i = 0; i < n; i++) { 892169130Ssimokawa xfer = fw_xfer_alloc_buf(type, slen, rlen); 893169130Ssimokawa if (xfer == NULL) 894169130Ssimokawa return (n); 895169130Ssimokawa xfer->fc = fc; 896169130Ssimokawa xfer->sc = sc; 897169130Ssimokawa xfer->hand = hand; 898169130Ssimokawa s = splfw(); 899169130Ssimokawa STAILQ_INSERT_TAIL(q, xfer, link); 900169130Ssimokawa splx(s); 901169130Ssimokawa } 902169130Ssimokawa return (n); 903169130Ssimokawa} 904169130Ssimokawa 905169130Ssimokawavoid 906169130Ssimokawafw_xferlist_remove(struct fw_xferlist *q) 907169130Ssimokawa{ 908169130Ssimokawa struct fw_xfer *xfer, *next; 909169130Ssimokawa 910169130Ssimokawa for (xfer = STAILQ_FIRST(q); xfer != NULL; xfer = next) { 911169130Ssimokawa next = STAILQ_NEXT(xfer, link); 912169130Ssimokawa fw_xfer_free_buf(xfer); 913169130Ssimokawa } 914169130Ssimokawa STAILQ_INIT(q); 915169130Ssimokawa} 916169130Ssimokawa 917103285Sikob/* 918103285Sikob * To free transaction label. 919103285Sikob */ 920106790Ssimokawastatic void 921106790Ssimokawafw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 922103285Sikob{ 923169119Ssimokawa struct fw_xfer *txfer; 924169119Ssimokawa int s; 925103285Sikob 926169119Ssimokawa if (xfer->tl < 0) 927169119Ssimokawa return; 928169119Ssimokawa 929169119Ssimokawa s = splfw(); 930169119Ssimokawa#if 1 /* make sure the label is allocated */ 931169119Ssimokawa STAILQ_FOREACH(txfer, &fc->tlabels[xfer->tl], tlabel) 932169119Ssimokawa if(txfer == xfer) 933169119Ssimokawa break; 934169119Ssimokawa if (txfer == NULL) { 935169119Ssimokawa printf("%s: the xfer is not in the tlabel(%d)\n", 936169119Ssimokawa __FUNCTION__, xfer->tl); 937169119Ssimokawa splx(s); 938169119Ssimokawa return; 939103285Sikob } 940169119Ssimokawa#endif 941169119Ssimokawa 942169119Ssimokawa STAILQ_REMOVE(&fc->tlabels[xfer->tl], xfer, fw_xfer, tlabel); 943103285Sikob splx(s); 944103285Sikob return; 945103285Sikob} 946106790Ssimokawa 947103285Sikob/* 948103285Sikob * To obtain XFER structure by transaction label. 949103285Sikob */ 950106790Ssimokawastatic struct fw_xfer * 951106790Ssimokawafw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 952103285Sikob{ 953103285Sikob struct fw_xfer *xfer; 954103285Sikob int s = splfw(); 955103285Sikob 956169119Ssimokawa STAILQ_FOREACH(xfer, &fc->tlabels[tlabel], tlabel) 957169119Ssimokawa if(xfer->send.hdr.mode.hdr.dst == node) { 958103285Sikob splx(s); 959110577Ssimokawa if (firewire_debug > 2) 960110577Ssimokawa printf("fw_tl2xfer: found tl=%d\n", tlabel); 961103285Sikob return(xfer); 962103285Sikob } 963110577Ssimokawa if (firewire_debug > 1) 964110577Ssimokawa printf("fw_tl2xfer: not found tl=%d\n", tlabel); 965103285Sikob splx(s); 966103285Sikob return(NULL); 967103285Sikob} 968106790Ssimokawa 969103285Sikob/* 970103285Sikob * To allocate IEEE1394 XFER structure. 971103285Sikob */ 972106790Ssimokawastruct fw_xfer * 973110269Ssimokawafw_xfer_alloc(struct malloc_type *type) 974103285Sikob{ 975103285Sikob struct fw_xfer *xfer; 976106790Ssimokawa 977110269Ssimokawa xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 978106790Ssimokawa if (xfer == NULL) 979106790Ssimokawa return xfer; 980106790Ssimokawa 981110269Ssimokawa xfer->malloc = type; 982106790Ssimokawa 983103285Sikob return xfer; 984103285Sikob} 985106790Ssimokawa 986113584Ssimokawastruct fw_xfer * 987113584Ssimokawafw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len) 988113584Ssimokawa{ 989113584Ssimokawa struct fw_xfer *xfer; 990113584Ssimokawa 991113584Ssimokawa xfer = fw_xfer_alloc(type); 992126102Scperciva if (xfer == NULL) 993126102Scperciva return(NULL); 994120660Ssimokawa xfer->send.pay_len = send_len; 995120660Ssimokawa xfer->recv.pay_len = recv_len; 996120660Ssimokawa if (send_len > 0) { 997120660Ssimokawa xfer->send.payload = malloc(send_len, type, M_NOWAIT | M_ZERO); 998120660Ssimokawa if (xfer->send.payload == NULL) { 999113584Ssimokawa fw_xfer_free(xfer); 1000113584Ssimokawa return(NULL); 1001113584Ssimokawa } 1002113584Ssimokawa } 1003120660Ssimokawa if (recv_len > 0) { 1004120660Ssimokawa xfer->recv.payload = malloc(recv_len, type, M_NOWAIT); 1005120660Ssimokawa if (xfer->recv.payload == NULL) { 1006120660Ssimokawa if (xfer->send.payload != NULL) 1007120660Ssimokawa free(xfer->send.payload, type); 1008113584Ssimokawa fw_xfer_free(xfer); 1009113584Ssimokawa return(NULL); 1010113584Ssimokawa } 1011113584Ssimokawa } 1012113584Ssimokawa return(xfer); 1013113584Ssimokawa} 1014113584Ssimokawa 1015103285Sikob/* 1016103285Sikob * IEEE1394 XFER post process. 1017103285Sikob */ 1018103285Sikobvoid 1019103285Sikobfw_xfer_done(struct fw_xfer *xfer) 1020103285Sikob{ 1021167632Ssimokawa if (xfer->hand == NULL) { 1022167632Ssimokawa printf("hand == NULL\n"); 1023103285Sikob return; 1024117716Ssimokawa } 1025103285Sikob 1026121505Ssimokawa if (xfer->fc == NULL) 1027121505Ssimokawa panic("fw_xfer_done: why xfer->fc is NULL?"); 1028121505Ssimokawa 1029168051Ssimokawa fw_tl_free(xfer->fc, xfer); 1030167632Ssimokawa xfer->hand(xfer); 1031103285Sikob} 1032103285Sikob 1033106790Ssimokawavoid 1034113584Ssimokawafw_xfer_unload(struct fw_xfer* xfer) 1035103285Sikob{ 1036103285Sikob int s; 1037113584Ssimokawa 1038103285Sikob if(xfer == NULL ) return; 1039103285Sikob if(xfer->state == FWXF_INQ){ 1040103285Sikob printf("fw_xfer_free FWXF_INQ\n"); 1041103285Sikob s = splfw(); 1042103285Sikob STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1043103285Sikob xfer->q->queued --; 1044103285Sikob splx(s); 1045103285Sikob } 1046113584Ssimokawa if (xfer->fc != NULL) { 1047114729Ssimokawa#if 1 1048113584Ssimokawa if(xfer->state == FWXF_START) 1049114729Ssimokawa /* 1050114729Ssimokawa * This could happen if: 1051114729Ssimokawa * 1. We call fwohci_arcv() before fwohci_txd(). 1052114729Ssimokawa * 2. firewire_watch() is called. 1053114729Ssimokawa */ 1054114729Ssimokawa printf("fw_xfer_free FWXF_START\n"); 1055103285Sikob#endif 1056103285Sikob } 1057113584Ssimokawa xfer->state = FWXF_INIT; 1058113584Ssimokawa xfer->resp = 0; 1059113584Ssimokawa} 1060113584Ssimokawa/* 1061113584Ssimokawa * To free IEEE1394 XFER structure. 1062113584Ssimokawa */ 1063113584Ssimokawavoid 1064120660Ssimokawafw_xfer_free_buf( struct fw_xfer* xfer) 1065113584Ssimokawa{ 1066120660Ssimokawa if (xfer == NULL) { 1067127468Ssimokawa printf("%s: xfer == NULL\n", __func__); 1068120660Ssimokawa return; 1069120660Ssimokawa } 1070113584Ssimokawa fw_xfer_unload(xfer); 1071120660Ssimokawa if(xfer->send.payload != NULL){ 1072120660Ssimokawa free(xfer->send.payload, xfer->malloc); 1073103285Sikob } 1074120660Ssimokawa if(xfer->recv.payload != NULL){ 1075120660Ssimokawa free(xfer->recv.payload, xfer->malloc); 1076103285Sikob } 1077110269Ssimokawa free(xfer, xfer->malloc); 1078103285Sikob} 1079103285Sikob 1080120660Ssimokawavoid 1081120660Ssimokawafw_xfer_free( struct fw_xfer* xfer) 1082120660Ssimokawa{ 1083120660Ssimokawa if (xfer == NULL) { 1084127468Ssimokawa printf("%s: xfer == NULL\n", __func__); 1085120660Ssimokawa return; 1086120660Ssimokawa } 1087120660Ssimokawa fw_xfer_unload(xfer); 1088120660Ssimokawa free(xfer, xfer->malloc); 1089120660Ssimokawa} 1090120660Ssimokawa 1091120660Ssimokawavoid 1092110072Ssimokawafw_asy_callback_free(struct fw_xfer *xfer) 1093103285Sikob{ 1094103285Sikob#if 0 1095110072Ssimokawa printf("asyreq done state=%d resp=%d\n", 1096103285Sikob xfer->state, xfer->resp); 1097103285Sikob#endif 1098103285Sikob fw_xfer_free(xfer); 1099103285Sikob} 1100103285Sikob 1101103285Sikob/* 1102103285Sikob * To configure PHY. 1103103285Sikob */ 1104103285Sikobstatic void 1105103285Sikobfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1106103285Sikob{ 1107103285Sikob struct fw_xfer *xfer; 1108103285Sikob struct fw_pkt *fp; 1109103285Sikob 1110103285Sikob fc->status = FWBUSPHYCONF; 1111103285Sikob 1112120660Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1113113584Ssimokawa if (xfer == NULL) 1114113584Ssimokawa return; 1115103285Sikob xfer->fc = fc; 1116167632Ssimokawa xfer->hand = fw_asy_callback_free; 1117103285Sikob 1118120660Ssimokawa fp = &xfer->send.hdr; 1119103285Sikob fp->mode.ld[1] = 0; 1120103285Sikob if (root_node >= 0) 1121113584Ssimokawa fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23; 1122103285Sikob if (gap_count >= 0) 1123113584Ssimokawa fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16; 1124103285Sikob fp->mode.ld[2] = ~fp->mode.ld[1]; 1125103285Sikob/* XXX Dangerous, how to pass PHY packet to device driver */ 1126103285Sikob fp->mode.common.tcode |= FWTCODE_PHY; 1127103285Sikob 1128107653Ssimokawa if (firewire_debug) 1129107653Ssimokawa printf("send phy_config root_node=%d gap_count=%d\n", 1130103285Sikob root_node, gap_count); 1131103285Sikob fw_asyreq(fc, -1, xfer); 1132103285Sikob} 1133103285Sikob 1134103285Sikob#if 0 1135103285Sikob/* 1136103285Sikob * Dump self ID. 1137103285Sikob */ 1138103285Sikobstatic void 1139129585Sdfrfw_print_sid(uint32_t sid) 1140103285Sikob{ 1141103285Sikob union fw_self_id *s; 1142103285Sikob s = (union fw_self_id *) &sid; 1143103285Sikob printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1144103285Sikob " p0:%d p1:%d p2:%d i:%d m:%d\n", 1145103285Sikob s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1146103285Sikob s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1147103285Sikob s->p0.power_class, s->p0.port0, s->p0.port1, 1148103285Sikob s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1149103285Sikob} 1150103285Sikob#endif 1151103285Sikob 1152103285Sikob/* 1153103285Sikob * To receive self ID. 1154103285Sikob */ 1155129585Sdfrvoid fw_sidrcv(struct firewire_comm* fc, uint32_t *sid, u_int len) 1156103285Sikob{ 1157129585Sdfr uint32_t *p; 1158103285Sikob union fw_self_id *self_id; 1159103285Sikob u_int i, j, node, c_port = 0, i_branch = 0; 1160103285Sikob 1161129585Sdfr fc->sid_cnt = len /(sizeof(uint32_t) * 2); 1162103285Sikob fc->status = FWBUSINIT; 1163103285Sikob fc->max_node = fc->nodeid & 0x3f; 1164129585Sdfr CSRARC(fc, NODE_IDS) = ((uint32_t)fc->nodeid) << 16; 1165103285Sikob fc->status = FWBUSCYMELECT; 1166103285Sikob fc->topology_map->crc_len = 2; 1167103285Sikob fc->topology_map->generation ++; 1168103285Sikob fc->topology_map->self_id_count = 0; 1169103285Sikob fc->topology_map->node_count = 0; 1170103285Sikob fc->speed_map->generation ++; 1171103285Sikob fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1172103285Sikob self_id = &fc->topology_map->self_id[0]; 1173103285Sikob for(i = 0; i < fc->sid_cnt; i ++){ 1174103285Sikob if (sid[1] != ~sid[0]) { 1175103285Sikob printf("fw_sidrcv: invalid self-id packet\n"); 1176103285Sikob sid += 2; 1177103285Sikob continue; 1178103285Sikob } 1179103285Sikob *self_id = *((union fw_self_id *)sid); 1180103285Sikob fc->topology_map->crc_len++; 1181103285Sikob if(self_id->p0.sequel == 0){ 1182103285Sikob fc->topology_map->node_count ++; 1183103285Sikob c_port = 0; 1184103285Sikob#if 0 1185103285Sikob fw_print_sid(sid[0]); 1186103285Sikob#endif 1187103285Sikob node = self_id->p0.phy_id; 1188103285Sikob if(fc->max_node < node){ 1189103285Sikob fc->max_node = self_id->p0.phy_id; 1190103285Sikob } 1191103285Sikob /* XXX I'm not sure this is the right speed_map */ 1192103285Sikob fc->speed_map->speed[node][node] 1193103285Sikob = self_id->p0.phy_speed; 1194103285Sikob for (j = 0; j < node; j ++) { 1195103285Sikob fc->speed_map->speed[j][node] 1196103285Sikob = fc->speed_map->speed[node][j] 1197103285Sikob = min(fc->speed_map->speed[j][j], 1198103285Sikob self_id->p0.phy_speed); 1199103285Sikob } 1200103285Sikob if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1201103285Sikob (self_id->p0.link_active && self_id->p0.contender)) { 1202103285Sikob fc->irm = self_id->p0.phy_id; 1203103285Sikob } 1204103285Sikob if(self_id->p0.port0 >= 0x2){ 1205103285Sikob c_port++; 1206103285Sikob } 1207103285Sikob if(self_id->p0.port1 >= 0x2){ 1208103285Sikob c_port++; 1209103285Sikob } 1210103285Sikob if(self_id->p0.port2 >= 0x2){ 1211103285Sikob c_port++; 1212103285Sikob } 1213103285Sikob } 1214103285Sikob if(c_port > 2){ 1215103285Sikob i_branch += (c_port - 2); 1216103285Sikob } 1217103285Sikob sid += 2; 1218103285Sikob self_id++; 1219103285Sikob fc->topology_map->self_id_count ++; 1220103285Sikob } 1221108655Ssimokawa device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1222103285Sikob /* CRC */ 1223103285Sikob fc->topology_map->crc = fw_crc16( 1224129585Sdfr (uint32_t *)&fc->topology_map->generation, 1225103285Sikob fc->topology_map->crc_len * 4); 1226103285Sikob fc->speed_map->crc = fw_crc16( 1227129585Sdfr (uint32_t *)&fc->speed_map->generation, 1228103285Sikob fc->speed_map->crc_len * 4); 1229103285Sikob /* byteswap and copy to CSR */ 1230129585Sdfr p = (uint32_t *)fc->topology_map; 1231103285Sikob for (i = 0; i <= fc->topology_map->crc_len; i++) 1232103285Sikob CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1233129585Sdfr p = (uint32_t *)fc->speed_map; 1234103285Sikob CSRARC(fc, SPED_MAP) = htonl(*p++); 1235103285Sikob CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1236129585Sdfr /* don't byte-swap uint8_t array */ 1237103285Sikob bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1238103285Sikob 1239103285Sikob fc->max_hop = fc->max_node - i_branch; 1240103285Sikob printf(", maxhop <= %d", fc->max_hop); 1241103285Sikob 1242103285Sikob if(fc->irm == -1 ){ 1243103285Sikob printf(", Not found IRM capable node"); 1244103285Sikob }else{ 1245103285Sikob printf(", cable IRM = %d", fc->irm); 1246103285Sikob if (fc->irm == fc->nodeid) 1247110016Ssimokawa printf(" (me)"); 1248103285Sikob } 1249110016Ssimokawa printf("\n"); 1250103285Sikob 1251109736Ssimokawa if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1252114909Ssimokawa if (fc->irm == fc->nodeid) { 1253103285Sikob fc->status = FWBUSMGRDONE; 1254103285Sikob CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1255114909Ssimokawa fw_bmr(fc); 1256109736Ssimokawa } else { 1257103285Sikob fc->status = FWBUSMGRELECT; 1258110193Ssimokawa callout_reset(&fc->bmr_callout, hz/8, 1259110193Ssimokawa (void *)fw_try_bmr, (void *)fc); 1260103285Sikob } 1261114909Ssimokawa } else 1262103285Sikob fc->status = FWBUSMGRDONE; 1263114909Ssimokawa 1264108853Ssimokawa callout_reset(&fc->busprobe_callout, hz/4, 1265108853Ssimokawa (void *)fw_bus_probe, (void *)fc); 1266103285Sikob} 1267106790Ssimokawa 1268103285Sikob/* 1269103285Sikob * To probe devices on the IEEE1394 bus. 1270103285Sikob */ 1271106790Ssimokawastatic void 1272106790Ssimokawafw_bus_probe(struct firewire_comm *fc) 1273103285Sikob{ 1274103285Sikob int s; 1275120850Ssimokawa struct fw_device *fwdev; 1276103285Sikob 1277103285Sikob s = splfw(); 1278103285Sikob fc->status = FWBUSEXPLORE; 1279103285Sikob 1280120850Ssimokawa /* Invalidate all devices, just after bus reset. */ 1281120850Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1282110193Ssimokawa if (fwdev->status != FWDEVINVAL) { 1283103285Sikob fwdev->status = FWDEVINVAL; 1284103285Sikob fwdev->rcnt = 0; 1285103285Sikob } 1286120850Ssimokawa 1287103285Sikob fc->ongonode = 0; 1288103285Sikob fc->ongoaddr = CSRROMOFF; 1289103285Sikob fc->ongodev = NULL; 1290103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1291103285Sikob fw_bus_explore(fc); 1292103285Sikob splx(s); 1293103285Sikob} 1294106790Ssimokawa 1295103285Sikob/* 1296129274Sdfr * Find the self_id packet for a node, ignoring sequels. 1297129274Sdfr */ 1298129274Sdfrstatic union fw_self_id * 1299129274Sdfrfw_find_self_id(struct firewire_comm *fc, int node) 1300129274Sdfr{ 1301129274Sdfr uint32_t i; 1302129274Sdfr union fw_self_id *s; 1303129274Sdfr 1304129274Sdfr for (i = 0; i < fc->topology_map->self_id_count; i++) { 1305129274Sdfr s = &fc->topology_map->self_id[i]; 1306129274Sdfr if (s->p0.sequel) 1307129274Sdfr continue; 1308129274Sdfr if (s->p0.phy_id == node) 1309129274Sdfr return s; 1310129274Sdfr } 1311129274Sdfr return 0; 1312129274Sdfr} 1313129274Sdfr 1314129274Sdfr/* 1315103285Sikob * To collect device informations on the IEEE1394 bus. 1316103285Sikob */ 1317106790Ssimokawastatic void 1318106790Ssimokawafw_bus_explore(struct firewire_comm *fc ) 1319103285Sikob{ 1320103285Sikob int err = 0; 1321110179Ssimokawa struct fw_device *fwdev, *pfwdev, *tfwdev; 1322129585Sdfr uint32_t addr; 1323103285Sikob struct fw_xfer *xfer; 1324103285Sikob struct fw_pkt *fp; 1325152792Ssimokawa union fw_self_id *fwsid; 1326103285Sikob 1327103285Sikob if(fc->status != FWBUSEXPLORE) 1328103285Sikob return; 1329103285Sikob 1330103285Sikobloop: 1331103285Sikob if(fc->ongonode == fc->nodeid) fc->ongonode++; 1332103285Sikob 1333103285Sikob if(fc->ongonode > fc->max_node) goto done; 1334103285Sikob if(fc->ongonode >= 0x3f) goto done; 1335103285Sikob 1336103285Sikob /* check link */ 1337103285Sikob /* XXX we need to check phy_id first */ 1338152792Ssimokawa fwsid = fw_find_self_id(fc, fc->ongonode); 1339152792Ssimokawa if (!fwsid || !fwsid->p0.link_active) { 1340110577Ssimokawa if (firewire_debug) 1341110577Ssimokawa printf("node%d: link down\n", fc->ongonode); 1342103285Sikob fc->ongonode++; 1343103285Sikob goto loop; 1344103285Sikob } 1345103285Sikob 1346103285Sikob if(fc->ongoaddr <= CSRROMOFF && 1347103285Sikob fc->ongoeui.hi == 0xffffffff && 1348103285Sikob fc->ongoeui.lo == 0xffffffff ){ 1349103285Sikob fc->ongoaddr = CSRROMOFF; 1350103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1351103285Sikob }else if(fc->ongoeui.hi == 0xffffffff ){ 1352103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1353103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1354103285Sikob }else if(fc->ongoeui.lo == 0xffffffff ){ 1355103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1356103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1357103285Sikob }else if(fc->ongodev == NULL){ 1358110193Ssimokawa STAILQ_FOREACH(fwdev, &fc->devices, link) 1359110193Ssimokawa if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1360103285Sikob break; 1361103285Sikob if(fwdev != NULL){ 1362103285Sikob fwdev->dst = fc->ongonode; 1363117350Ssimokawa fwdev->status = FWDEVINIT; 1364117350Ssimokawa fc->ongodev = fwdev; 1365103285Sikob fc->ongoaddr = CSRROMOFF; 1366117350Ssimokawa addr = 0xf0000000 | fc->ongoaddr; 1367117350Ssimokawa goto dorequest; 1368103285Sikob } 1369115787Ssimokawa fwdev = malloc(sizeof(struct fw_device), M_FW, 1370115787Ssimokawa M_NOWAIT | M_ZERO); 1371103285Sikob if(fwdev == NULL) 1372103285Sikob return; 1373106810Ssimokawa fwdev->fc = fc; 1374103285Sikob fwdev->rommax = 0; 1375103285Sikob fwdev->dst = fc->ongonode; 1376103285Sikob fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1377103285Sikob fwdev->status = FWDEVINIT; 1378103285Sikob fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1379103285Sikob 1380110179Ssimokawa pfwdev = NULL; 1381110193Ssimokawa STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1382110179Ssimokawa if (tfwdev->eui.hi > fwdev->eui.hi || 1383110179Ssimokawa (tfwdev->eui.hi == fwdev->eui.hi && 1384110179Ssimokawa tfwdev->eui.lo > fwdev->eui.lo)) 1385110179Ssimokawa break; 1386110179Ssimokawa pfwdev = tfwdev; 1387103285Sikob } 1388110179Ssimokawa if (pfwdev == NULL) 1389110193Ssimokawa STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1390110179Ssimokawa else 1391110193Ssimokawa STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1392103285Sikob 1393108655Ssimokawa device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1394107653Ssimokawa linkspeed[fwdev->speed], 1395107653Ssimokawa fc->ongoeui.hi, fc->ongoeui.lo); 1396103285Sikob 1397103285Sikob fc->ongodev = fwdev; 1398103285Sikob fc->ongoaddr = CSRROMOFF; 1399103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1400103285Sikob }else{ 1401103285Sikob addr = 0xf0000000 | fc->ongoaddr; 1402103285Sikob } 1403117350Ssimokawadorequest: 1404103285Sikob#if 0 1405103285Sikob xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1406103285Sikob ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1407103285Sikob fw_bus_explore_callback); 1408103285Sikob if(xfer == NULL) goto done; 1409103285Sikob#else 1410120660Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1411103285Sikob if(xfer == NULL){ 1412103285Sikob goto done; 1413103285Sikob } 1414120660Ssimokawa xfer->send.spd = 0; 1415120660Ssimokawa fp = &xfer->send.hdr; 1416113584Ssimokawa fp->mode.rreqq.dest_hi = 0xffff; 1417103285Sikob fp->mode.rreqq.tlrt = 0; 1418103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1419103285Sikob fp->mode.rreqq.pri = 0; 1420103285Sikob fp->mode.rreqq.src = 0; 1421120660Ssimokawa fp->mode.rreqq.dst = FWLOCALBUS | fc->ongonode; 1422113584Ssimokawa fp->mode.rreqq.dest_lo = addr; 1423167632Ssimokawa xfer->hand = fw_bus_explore_callback; 1424103285Sikob 1425110577Ssimokawa if (firewire_debug) 1426110577Ssimokawa printf("node%d: explore addr=0x%x\n", 1427110577Ssimokawa fc->ongonode, fc->ongoaddr); 1428103285Sikob err = fw_asyreq(fc, -1, xfer); 1429103285Sikob if(err){ 1430103285Sikob fw_xfer_free( xfer); 1431103285Sikob return; 1432103285Sikob } 1433103285Sikob#endif 1434103285Sikob return; 1435103285Sikobdone: 1436103285Sikob /* fw_attach_devs */ 1437103285Sikob fc->status = FWBUSEXPDONE; 1438107653Ssimokawa if (firewire_debug) 1439107653Ssimokawa printf("bus_explore done\n"); 1440103285Sikob fw_attach_dev(fc); 1441103285Sikob return; 1442103285Sikob 1443103285Sikob} 1444106790Ssimokawa 1445103285Sikob/* Portable Async. request read quad */ 1446106790Ssimokawastruct fw_xfer * 1447129585Sdfrasyreqq(struct firewire_comm *fc, uint8_t spd, uint8_t tl, uint8_t rt, 1448129585Sdfr uint32_t addr_hi, uint32_t addr_lo, 1449124169Ssimokawa void (*hand) (struct fw_xfer*)) 1450103285Sikob{ 1451103285Sikob struct fw_xfer *xfer; 1452103285Sikob struct fw_pkt *fp; 1453103285Sikob int err; 1454103285Sikob 1455120660Ssimokawa xfer = fw_xfer_alloc(M_FWXFER); 1456113584Ssimokawa if (xfer == NULL) 1457103285Sikob return NULL; 1458113584Ssimokawa 1459120660Ssimokawa xfer->send.spd = spd; /* XXX:min(spd, fc->spd) */ 1460120660Ssimokawa fp = &xfer->send.hdr; 1461113584Ssimokawa fp->mode.rreqq.dest_hi = addr_hi & 0xffff; 1462103285Sikob if(tl & FWP_TL_VALID){ 1463103285Sikob fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1464103285Sikob }else{ 1465103285Sikob fp->mode.rreqq.tlrt = 0; 1466103285Sikob } 1467103285Sikob fp->mode.rreqq.tlrt |= rt & 0x3; 1468103285Sikob fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1469103285Sikob fp->mode.rreqq.pri = 0; 1470103285Sikob fp->mode.rreqq.src = 0; 1471120660Ssimokawa fp->mode.rreqq.dst = addr_hi >> 16; 1472113584Ssimokawa fp->mode.rreqq.dest_lo = addr_lo; 1473167632Ssimokawa xfer->hand = hand; 1474103285Sikob 1475103285Sikob err = fw_asyreq(fc, -1, xfer); 1476103285Sikob if(err){ 1477103285Sikob fw_xfer_free( xfer); 1478103285Sikob return NULL; 1479103285Sikob } 1480103285Sikob return xfer; 1481103285Sikob} 1482106790Ssimokawa 1483103285Sikob/* 1484103285Sikob * Callback for the IEEE1394 bus information collection. 1485103285Sikob */ 1486106790Ssimokawastatic void 1487106790Ssimokawafw_bus_explore_callback(struct fw_xfer *xfer) 1488106790Ssimokawa{ 1489103285Sikob struct firewire_comm *fc; 1490103285Sikob struct fw_pkt *sfp,*rfp; 1491103285Sikob struct csrhdr *chdr; 1492103285Sikob struct csrdir *csrd; 1493103285Sikob struct csrreg *csrreg; 1494129585Sdfr uint32_t offset; 1495103285Sikob 1496103285Sikob 1497110577Ssimokawa if(xfer == NULL) { 1498110577Ssimokawa printf("xfer == NULL\n"); 1499110577Ssimokawa return; 1500110577Ssimokawa } 1501103285Sikob fc = xfer->fc; 1502110577Ssimokawa 1503110577Ssimokawa if (firewire_debug) 1504110577Ssimokawa printf("node%d: callback addr=0x%x\n", 1505110577Ssimokawa fc->ongonode, fc->ongoaddr); 1506110577Ssimokawa 1507103285Sikob if(xfer->resp != 0){ 1508127468Ssimokawa device_printf(fc->bdev, 1509167630Ssimokawa "bus_explore node=%d addr=0x%x resp=%d\n", 1510167630Ssimokawa fc->ongonode, fc->ongoaddr, xfer->resp); 1511114284Ssimokawa goto errnode; 1512103285Sikob } 1513103285Sikob 1514120660Ssimokawa sfp = &xfer->send.hdr; 1515120660Ssimokawa rfp = &xfer->recv.hdr; 1516103285Sikob#if 0 1517103285Sikob { 1518129585Sdfr uint32_t *qld; 1519103285Sikob int i; 1520129585Sdfr qld = (uint32_t *)xfer->recv.buf; 1521103285Sikob printf("len:%d\n", xfer->recv.len); 1522103285Sikob for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1523113584Ssimokawa printf("0x%08x ", rfp->mode.ld[i/4]); 1524103285Sikob if((i % 16) == 15) printf("\n"); 1525103285Sikob } 1526103285Sikob if((i % 16) != 15) printf("\n"); 1527103285Sikob } 1528103285Sikob#endif 1529103285Sikob if(fc->ongodev == NULL){ 1530113584Ssimokawa if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){ 1531103285Sikob rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1532103285Sikob chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1533129541Sdfr/* If CSR is minimal confinguration, more investigation is not needed. */ 1534103285Sikob if(chdr->info_len == 1){ 1535110577Ssimokawa if (firewire_debug) 1536110577Ssimokawa printf("node%d: minimal config\n", 1537110577Ssimokawa fc->ongonode); 1538103285Sikob goto nextnode; 1539103285Sikob }else{ 1540103285Sikob fc->ongoaddr = CSRROMOFF + 0xc; 1541103285Sikob } 1542113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){ 1543103285Sikob fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1544103285Sikob fc->ongoaddr = CSRROMOFF + 0x10; 1545113584Ssimokawa }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){ 1546103285Sikob fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1547110577Ssimokawa if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1548110577Ssimokawa if (firewire_debug) 1549110577Ssimokawa printf("node%d: eui64 is zero.\n", 1550110577Ssimokawa fc->ongonode); 1551103285Sikob goto nextnode; 1552110577Ssimokawa } 1553103285Sikob fc->ongoaddr = CSRROMOFF; 1554103285Sikob } 1555103285Sikob }else{ 1556117350Ssimokawa if (fc->ongoaddr == CSRROMOFF && 1557117350Ssimokawa fc->ongodev->csrrom[0] == ntohl(rfp->mode.rresq.data)) { 1558117350Ssimokawa fc->ongodev->status = FWDEVATTACHED; 1559117350Ssimokawa goto nextnode; 1560117350Ssimokawa } 1561103285Sikob fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1562103285Sikob if(fc->ongoaddr > fc->ongodev->rommax){ 1563103285Sikob fc->ongodev->rommax = fc->ongoaddr; 1564103285Sikob } 1565103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1566103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1567103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1568103285Sikob offset = CSRROMOFF; 1569103285Sikob }else{ 1570103285Sikob chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1571103285Sikob offset = csrd->off; 1572103285Sikob } 1573103285Sikob if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1574103285Sikob csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1575103285Sikob if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1576103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1577103285Sikob if(csrd == NULL){ 1578103285Sikob goto nextnode; 1579103285Sikob }else{ 1580103285Sikob csrd->ongoaddr = fc->ongoaddr; 1581103285Sikob fc->ongoaddr += csrreg->val * 4; 1582103285Sikob csrd->off = fc->ongoaddr; 1583103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1584103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1585103285Sikob goto nextaddr; 1586103285Sikob } 1587103285Sikob } 1588103285Sikob } 1589103285Sikob fc->ongoaddr += 4; 1590103285Sikob if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1591103285Sikob (fc->ongodev->rommax < 0x414)){ 1592103285Sikob if(fc->ongodev->rommax <= 0x414){ 1593103285Sikob csrd = SLIST_FIRST(&fc->csrfree); 1594103285Sikob if(csrd == NULL) goto nextnode; 1595103285Sikob csrd->off = fc->ongoaddr; 1596103285Sikob csrd->ongoaddr = fc->ongoaddr; 1597103285Sikob SLIST_REMOVE_HEAD(&fc->csrfree, link); 1598103285Sikob SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1599103285Sikob } 1600103285Sikob goto nextaddr; 1601103285Sikob } 1602103285Sikob 1603103285Sikob while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1604103285Sikob if(csrd == NULL){ 1605103285Sikob goto nextnode; 1606103285Sikob }; 1607103285Sikob fc->ongoaddr = csrd->ongoaddr + 4; 1608103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1609103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1610103285Sikob csrd = SLIST_FIRST(&fc->ongocsr); 1611103285Sikob if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1612103285Sikob chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1613103285Sikob offset = CSRROMOFF; 1614103285Sikob }else{ 1615103285Sikob chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1616103285Sikob offset = csrd->off; 1617103285Sikob } 1618103285Sikob } 1619103285Sikob if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1620103285Sikob goto nextnode; 1621103285Sikob } 1622103285Sikob } 1623103285Sikobnextaddr: 1624103285Sikob fw_xfer_free( xfer); 1625103285Sikob fw_bus_explore(fc); 1626103285Sikob return; 1627114284Ssimokawaerrnode: 1628127468Ssimokawa if (fc->ongodev != NULL) { 1629114284Ssimokawa fc->ongodev->status = FWDEVINVAL; 1630127468Ssimokawa /* Invalidate ROM */ 1631127468Ssimokawa fc->ongodev->csrrom[0] = 0; 1632127468Ssimokawa } 1633103285Sikobnextnode: 1634103285Sikob fw_xfer_free( xfer); 1635103285Sikob fc->ongonode++; 1636103285Sikob/* housekeeping work space */ 1637103285Sikob fc->ongoaddr = CSRROMOFF; 1638103285Sikob fc->ongodev = NULL; 1639103285Sikob fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1640103285Sikob while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1641103285Sikob SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1642103285Sikob SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1643103285Sikob } 1644103285Sikob fw_bus_explore(fc); 1645103285Sikob return; 1646103285Sikob} 1647103285Sikob 1648103285Sikob/* 1649103285Sikob * To attach sub-devices layer onto IEEE1394 bus. 1650103285Sikob */ 1651106815Ssimokawastatic void 1652106815Ssimokawafw_attach_dev(struct firewire_comm *fc) 1653103285Sikob{ 1654120850Ssimokawa struct fw_device *fwdev, *next; 1655103285Sikob int i, err; 1656103285Sikob device_t *devlistp; 1657103285Sikob int devcnt; 1658103285Sikob struct firewire_dev_comm *fdc; 1659103285Sikob 1660120850Ssimokawa for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1661120850Ssimokawa next = STAILQ_NEXT(fwdev, link); 1662120850Ssimokawa if (fwdev->status == FWDEVINIT) { 1663114069Ssimokawa fwdev->status = FWDEVATTACHED; 1664120850Ssimokawa } else if (fwdev->status == FWDEVINVAL) { 1665120850Ssimokawa fwdev->rcnt ++; 1666120850Ssimokawa if (fwdev->rcnt > hold_count) { 1667120850Ssimokawa /* 1668120850Ssimokawa * Remove devices which have not been seen 1669120850Ssimokawa * for a while. 1670120850Ssimokawa */ 1671120850Ssimokawa STAILQ_REMOVE(&fc->devices, fwdev, fw_device, 1672120850Ssimokawa link); 1673120850Ssimokawa free(fwdev, M_FW); 1674120850Ssimokawa } 1675120850Ssimokawa } 1676120850Ssimokawa } 1677103285Sikob 1678108773Ssimokawa err = device_get_children(fc->bdev, &devlistp, &devcnt); 1679103285Sikob if( err != 0 ) 1680103285Sikob return; 1681103285Sikob for( i = 0 ; i < devcnt ; i++){ 1682103285Sikob if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1683103285Sikob fdc = device_get_softc(devlistp[i]); 1684103285Sikob if (fdc->post_explore != NULL) 1685103285Sikob fdc->post_explore(fdc); 1686103285Sikob } 1687103285Sikob } 1688103285Sikob free(devlistp, M_TEMP); 1689103285Sikob 1690103285Sikob return; 1691103285Sikob} 1692106815Ssimokawa 1693103285Sikob/* 1694129541Sdfr * To allocate unique transaction label. 1695103285Sikob */ 1696106815Ssimokawastatic int 1697106815Ssimokawafw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1698103285Sikob{ 1699103285Sikob u_int i; 1700169119Ssimokawa struct fw_xfer *txfer; 1701103285Sikob int s; 1702129585Sdfr static uint32_t label = 0; 1703103285Sikob 1704103285Sikob s = splfw(); 1705103285Sikob for( i = 0 ; i < 0x40 ; i ++){ 1706103285Sikob label = (label + 1) & 0x3f; 1707169119Ssimokawa STAILQ_FOREACH(txfer, &fc->tlabels[label], tlabel) 1708169119Ssimokawa if (txfer->send.hdr.mode.hdr.dst == 1709120660Ssimokawa xfer->send.hdr.mode.hdr.dst) 1710120660Ssimokawa break; 1711169119Ssimokawa if(txfer == NULL) { 1712169119Ssimokawa STAILQ_INSERT_TAIL(&fc->tlabels[label], xfer, tlabel); 1713103285Sikob splx(s); 1714110577Ssimokawa if (firewire_debug > 1) 1715110577Ssimokawa printf("fw_get_tlabel: dst=%d tl=%d\n", 1716120660Ssimokawa xfer->send.hdr.mode.hdr.dst, label); 1717103285Sikob return(label); 1718103285Sikob } 1719103285Sikob } 1720103285Sikob splx(s); 1721103285Sikob 1722130460Sdfr if (firewire_debug > 1) 1723130460Sdfr printf("fw_get_tlabel: no free tlabel\n"); 1724103285Sikob return(-1); 1725103285Sikob} 1726106815Ssimokawa 1727113584Ssimokawastatic void 1728120660Ssimokawafw_rcv_copy(struct fw_rcv_buf *rb) 1729113584Ssimokawa{ 1730120660Ssimokawa struct fw_pkt *pkt; 1731120660Ssimokawa u_char *p; 1732120660Ssimokawa struct tcode_info *tinfo; 1733120660Ssimokawa u_int res, i, len, plen; 1734113584Ssimokawa 1735169127Ssimokawa rb->xfer->recv.spd = rb->spd; 1736120660Ssimokawa 1737120660Ssimokawa pkt = (struct fw_pkt *)rb->vec->iov_base; 1738120660Ssimokawa tinfo = &rb->fc->tcode[pkt->mode.hdr.tcode]; 1739120660Ssimokawa 1740120660Ssimokawa /* Copy header */ 1741120660Ssimokawa p = (u_char *)&rb->xfer->recv.hdr; 1742120660Ssimokawa bcopy(rb->vec->iov_base, p, tinfo->hdr_len); 1743132771Skan rb->vec->iov_base = (u_char *)rb->vec->iov_base + tinfo->hdr_len; 1744120660Ssimokawa rb->vec->iov_len -= tinfo->hdr_len; 1745120660Ssimokawa 1746120660Ssimokawa /* Copy payload */ 1747120660Ssimokawa p = (u_char *)rb->xfer->recv.payload; 1748120660Ssimokawa res = rb->xfer->recv.pay_len; 1749120660Ssimokawa 1750120660Ssimokawa /* special handling for RRESQ */ 1751120660Ssimokawa if (pkt->mode.hdr.tcode == FWTCODE_RRESQ && 1752129585Sdfr p != NULL && res >= sizeof(uint32_t)) { 1753129585Sdfr *(uint32_t *)p = pkt->mode.rresq.data; 1754129585Sdfr rb->xfer->recv.pay_len = sizeof(uint32_t); 1755120660Ssimokawa return; 1756120660Ssimokawa } 1757120660Ssimokawa 1758120660Ssimokawa if ((tinfo->flag & FWTI_BLOCK_ASY) == 0) 1759120660Ssimokawa return; 1760120660Ssimokawa 1761120660Ssimokawa plen = pkt->mode.rresb.len; 1762120660Ssimokawa 1763120660Ssimokawa for (i = 0; i < rb->nvec; i++, rb->vec++) { 1764120660Ssimokawa len = MIN(rb->vec->iov_len, plen); 1765113584Ssimokawa if (res < len) { 1766113584Ssimokawa printf("rcv buffer(%d) is %d bytes short.\n", 1767120660Ssimokawa rb->xfer->recv.pay_len, len - res); 1768113584Ssimokawa len = res; 1769113584Ssimokawa } 1770120660Ssimokawa bcopy(rb->vec->iov_base, p, len); 1771113584Ssimokawa p += len; 1772113584Ssimokawa res -= len; 1773120660Ssimokawa plen -= len; 1774120660Ssimokawa if (res == 0 || plen == 0) 1775113584Ssimokawa break; 1776113584Ssimokawa } 1777120660Ssimokawa rb->xfer->recv.pay_len -= res; 1778120660Ssimokawa 1779113584Ssimokawa} 1780113584Ssimokawa 1781103285Sikob/* 1782129541Sdfr * Generic packet receiving process. 1783103285Sikob */ 1784106815Ssimokawavoid 1785120660Ssimokawafw_rcv(struct fw_rcv_buf *rb) 1786103285Sikob{ 1787103285Sikob struct fw_pkt *fp, *resfp; 1788103285Sikob struct fw_bind *bind; 1789169130Ssimokawa int tcode; 1790113584Ssimokawa int i, len, oldstate; 1791103285Sikob#if 0 1792103285Sikob { 1793129585Sdfr uint32_t *qld; 1794103285Sikob int i; 1795129585Sdfr qld = (uint32_t *)buf; 1796103285Sikob printf("spd %d len:%d\n", spd, len); 1797103285Sikob for( i = 0 ; i <= len && i < 32; i+= 4){ 1798103285Sikob printf("0x%08x ", ntohl(qld[i/4])); 1799103285Sikob if((i % 16) == 15) printf("\n"); 1800103285Sikob } 1801103285Sikob if((i % 16) != 15) printf("\n"); 1802103285Sikob } 1803103285Sikob#endif 1804120660Ssimokawa fp = (struct fw_pkt *)rb->vec[0].iov_base; 1805113584Ssimokawa tcode = fp->mode.common.tcode; 1806113584Ssimokawa switch (tcode) { 1807103285Sikob case FWTCODE_WRES: 1808103285Sikob case FWTCODE_RRESQ: 1809103285Sikob case FWTCODE_RRESB: 1810103285Sikob case FWTCODE_LRES: 1811120660Ssimokawa rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1812103285Sikob fp->mode.hdr.tlrt >> 2); 1813120660Ssimokawa if(rb->xfer == NULL) { 1814103285Sikob printf("fw_rcv: unknown response " 1815124251Ssimokawa "%s(%x) src=0x%x tl=0x%x rt=%d data=0x%x\n", 1816124251Ssimokawa tcode_str[tcode], tcode, 1817124251Ssimokawa fp->mode.hdr.src, 1818124251Ssimokawa fp->mode.hdr.tlrt >> 2, 1819124251Ssimokawa fp->mode.hdr.tlrt & 3, 1820124251Ssimokawa fp->mode.rresq.data); 1821103285Sikob#if 1 1822103285Sikob printf("try ad-hoc work around!!\n"); 1823120660Ssimokawa rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1824103285Sikob (fp->mode.hdr.tlrt >> 2)^3); 1825120660Ssimokawa if (rb->xfer == NULL) { 1826103285Sikob printf("no use...\n"); 1827103285Sikob goto err; 1828103285Sikob } 1829103285Sikob#else 1830103285Sikob goto err; 1831103285Sikob#endif 1832103285Sikob } 1833120660Ssimokawa fw_rcv_copy(rb); 1834120660Ssimokawa if (rb->xfer->recv.hdr.mode.wres.rtcode != RESP_CMP) 1835120660Ssimokawa rb->xfer->resp = EIO; 1836120660Ssimokawa else 1837120660Ssimokawa rb->xfer->resp = 0; 1838113584Ssimokawa /* make sure the packet is drained in AT queue */ 1839120660Ssimokawa oldstate = rb->xfer->state; 1840120660Ssimokawa rb->xfer->state = FWXF_RCVD; 1841113584Ssimokawa switch (oldstate) { 1842113584Ssimokawa case FWXF_SENT: 1843120660Ssimokawa fw_xfer_done(rb->xfer); 1844103285Sikob break; 1845113584Ssimokawa case FWXF_START: 1846119289Ssimokawa#if 0 1847113584Ssimokawa if (firewire_debug) 1848120660Ssimokawa printf("not sent yet tl=%x\n", rb->xfer->tl); 1849119289Ssimokawa#endif 1850113584Ssimokawa break; 1851103285Sikob default: 1852120660Ssimokawa printf("unexpected state %d\n", rb->xfer->state); 1853103285Sikob } 1854113584Ssimokawa return; 1855103285Sikob case FWTCODE_WREQQ: 1856103285Sikob case FWTCODE_WREQB: 1857103285Sikob case FWTCODE_RREQQ: 1858103285Sikob case FWTCODE_RREQB: 1859103285Sikob case FWTCODE_LREQ: 1860120660Ssimokawa bind = fw_bindlookup(rb->fc, fp->mode.rreqq.dest_hi, 1861113584Ssimokawa fp->mode.rreqq.dest_lo); 1862103285Sikob if(bind == NULL){ 1863124251Ssimokawa printf("Unknown service addr 0x%04x:0x%08x %s(%x)" 1864127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 1865127468Ssimokawa " src=0x%x data=%lx\n", 1866127468Ssimokawa#else 1867124251Ssimokawa " src=0x%x data=%x\n", 1868113962Ssimokawa#endif 1869124251Ssimokawa fp->mode.wreqq.dest_hi, fp->mode.wreqq.dest_lo, 1870124251Ssimokawa tcode_str[tcode], tcode, 1871124251Ssimokawa fp->mode.hdr.src, ntohl(fp->mode.wreqq.data)); 1872120660Ssimokawa if (rb->fc->status == FWBUSRESET) { 1873110798Ssimokawa printf("fw_rcv: cannot respond(bus reset)!\n"); 1874103285Sikob goto err; 1875103285Sikob } 1876120660Ssimokawa rb->xfer = fw_xfer_alloc(M_FWXFER); 1877120660Ssimokawa if(rb->xfer == NULL){ 1878103285Sikob return; 1879103285Sikob } 1880120660Ssimokawa rb->xfer->send.spd = rb->spd; 1881120660Ssimokawa rb->xfer->send.pay_len = 0; 1882120660Ssimokawa resfp = &rb->xfer->send.hdr; 1883113584Ssimokawa switch (tcode) { 1884103285Sikob case FWTCODE_WREQQ: 1885103285Sikob case FWTCODE_WREQB: 1886103285Sikob resfp->mode.hdr.tcode = FWTCODE_WRES; 1887103285Sikob break; 1888103285Sikob case FWTCODE_RREQQ: 1889103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1890103285Sikob break; 1891103285Sikob case FWTCODE_RREQB: 1892103285Sikob resfp->mode.hdr.tcode = FWTCODE_RRESB; 1893103285Sikob break; 1894103285Sikob case FWTCODE_LREQ: 1895103285Sikob resfp->mode.hdr.tcode = FWTCODE_LRES; 1896103285Sikob break; 1897103285Sikob } 1898103285Sikob resfp->mode.hdr.dst = fp->mode.hdr.src; 1899103285Sikob resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1900103285Sikob resfp->mode.hdr.pri = fp->mode.hdr.pri; 1901120660Ssimokawa resfp->mode.rresb.rtcode = RESP_ADDRESS_ERROR; 1902103285Sikob resfp->mode.rresb.extcode = 0; 1903103285Sikob resfp->mode.rresb.len = 0; 1904103285Sikob/* 1905167632Ssimokawa rb->xfer->hand = fw_asy_callback; 1906103285Sikob*/ 1907167632Ssimokawa rb->xfer->hand = fw_xfer_free; 1908120660Ssimokawa if(fw_asyreq(rb->fc, -1, rb->xfer)){ 1909120660Ssimokawa fw_xfer_free(rb->xfer); 1910103285Sikob return; 1911103285Sikob } 1912103285Sikob goto err; 1913103285Sikob } 1914113584Ssimokawa len = 0; 1915120660Ssimokawa for (i = 0; i < rb->nvec; i ++) 1916120660Ssimokawa len += rb->vec[i].iov_len; 1917169130Ssimokawa rb->xfer = STAILQ_FIRST(&bind->xferlist); 1918169130Ssimokawa if (rb->xfer == NULL) { 1919169130Ssimokawa printf("Discard a packet for this bind.\n"); 1920103285Sikob goto err; 1921103285Sikob } 1922169130Ssimokawa STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1923169130Ssimokawa fw_rcv_copy(rb); 1924169130Ssimokawa rb->xfer->hand(rb->xfer); 1925169130Ssimokawa return; 1926120660Ssimokawa#if 0 /* shouldn't happen ?? or for GASP */ 1927103285Sikob case FWTCODE_STREAM: 1928103285Sikob { 1929103285Sikob struct fw_xferq *xferq; 1930103285Sikob 1931120660Ssimokawa xferq = rb->fc->ir[sub]; 1932103285Sikob#if 0 1933103285Sikob printf("stream rcv dma %d len %d off %d spd %d\n", 1934103285Sikob sub, len, off, spd); 1935103285Sikob#endif 1936103285Sikob if(xferq->queued >= xferq->maxq) { 1937103285Sikob printf("receive queue is full\n"); 1938103285Sikob goto err; 1939103285Sikob } 1940113584Ssimokawa /* XXX get xfer from xfer queue, we don't need copy for 1941113584Ssimokawa per packet mode */ 1942120660Ssimokawa rb->xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */ 1943113584Ssimokawa vec[0].iov_len); 1944120660Ssimokawa if (rb->xfer == NULL) goto err; 1945120660Ssimokawa fw_rcv_copy(rb) 1946103285Sikob s = splfw(); 1947103285Sikob xferq->queued++; 1948120660Ssimokawa STAILQ_INSERT_TAIL(&xferq->q, rb->xfer, link); 1949103285Sikob splx(s); 1950120660Ssimokawa sc = device_get_softc(rb->fc->bdev); 1951127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 1952127468Ssimokawa if (&xferq->rsel.si_pid != 0) 1953127468Ssimokawa#else 1954103285Sikob if (SEL_WAITING(&xferq->rsel)) 1955103285Sikob#endif 1956122352Stanimura selwakeuppri(&xferq->rsel, FWPRI); 1957103285Sikob if (xferq->flag & FWXFERQ_WAKEUP) { 1958103285Sikob xferq->flag &= ~FWXFERQ_WAKEUP; 1959103285Sikob wakeup((caddr_t)xferq); 1960103285Sikob } 1961103285Sikob if (xferq->flag & FWXFERQ_HANDLER) { 1962103285Sikob xferq->hand(xferq); 1963103285Sikob } 1964103285Sikob return; 1965103285Sikob break; 1966103285Sikob } 1967120660Ssimokawa#endif 1968103285Sikob default: 1969113584Ssimokawa printf("fw_rcv: unknow tcode %d\n", tcode); 1970103285Sikob break; 1971103285Sikob } 1972103285Sikoberr: 1973113584Ssimokawa return; 1974103285Sikob} 1975106815Ssimokawa 1976103285Sikob/* 1977103285Sikob * Post process for Bus Manager election process. 1978103285Sikob */ 1979103285Sikobstatic void 1980103285Sikobfw_try_bmr_callback(struct fw_xfer *xfer) 1981103285Sikob{ 1982103285Sikob struct firewire_comm *fc; 1983109422Ssimokawa int bmr; 1984103285Sikob 1985109422Ssimokawa if (xfer == NULL) 1986109422Ssimokawa return; 1987103285Sikob fc = xfer->fc; 1988109422Ssimokawa if (xfer->resp != 0) 1989103285Sikob goto error; 1990120660Ssimokawa if (xfer->recv.payload == NULL) 1991103285Sikob goto error; 1992120660Ssimokawa if (xfer->recv.hdr.mode.lres.rtcode != FWRCODE_COMPLETE) 1993103285Sikob goto error; 1994109422Ssimokawa 1995120660Ssimokawa bmr = ntohl(xfer->recv.payload[0]); 1996109422Ssimokawa if (bmr == 0x3f) 1997109422Ssimokawa bmr = fc->nodeid; 1998109422Ssimokawa 1999109422Ssimokawa CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 2000120660Ssimokawa fw_xfer_free_buf(xfer); 2001114909Ssimokawa fw_bmr(fc); 2002114909Ssimokawa return; 2003114909Ssimokawa 2004103285Sikoberror: 2005114909Ssimokawa device_printf(fc->bdev, "bus manager election failed\n"); 2006120660Ssimokawa fw_xfer_free_buf(xfer); 2007103285Sikob} 2008106815Ssimokawa 2009113584Ssimokawa 2010103285Sikob/* 2011103285Sikob * To candidate Bus Manager election process. 2012103285Sikob */ 2013110270Ssimokawastatic void 2014106815Ssimokawafw_try_bmr(void *arg) 2015103285Sikob{ 2016103285Sikob struct fw_xfer *xfer; 2017103285Sikob struct firewire_comm *fc = (struct firewire_comm *)arg; 2018103285Sikob struct fw_pkt *fp; 2019103285Sikob int err = 0; 2020103285Sikob 2021120660Ssimokawa xfer = fw_xfer_alloc_buf(M_FWXFER, 8, 4); 2022103285Sikob if(xfer == NULL){ 2023103285Sikob return; 2024103285Sikob } 2025120660Ssimokawa xfer->send.spd = 0; 2026103285Sikob fc->status = FWBUSMGRELECT; 2027103285Sikob 2028120660Ssimokawa fp = &xfer->send.hdr; 2029113584Ssimokawa fp->mode.lreq.dest_hi = 0xffff; 2030103285Sikob fp->mode.lreq.tlrt = 0; 2031103285Sikob fp->mode.lreq.tcode = FWTCODE_LREQ; 2032103285Sikob fp->mode.lreq.pri = 0; 2033103285Sikob fp->mode.lreq.src = 0; 2034113584Ssimokawa fp->mode.lreq.len = 8; 2035120660Ssimokawa fp->mode.lreq.extcode = EXTCODE_CMP_SWAP; 2036120660Ssimokawa fp->mode.lreq.dst = FWLOCALBUS | fc->irm; 2037113584Ssimokawa fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID; 2038120660Ssimokawa xfer->send.payload[0] = htonl(0x3f); 2039120660Ssimokawa xfer->send.payload[1] = htonl(fc->nodeid); 2040167632Ssimokawa xfer->hand = fw_try_bmr_callback; 2041103285Sikob 2042103285Sikob err = fw_asyreq(fc, -1, xfer); 2043103285Sikob if(err){ 2044120660Ssimokawa fw_xfer_free_buf(xfer); 2045103285Sikob return; 2046103285Sikob } 2047103285Sikob return; 2048103285Sikob} 2049106543Ssimokawa 2050106543Ssimokawa#ifdef FW_VMACCESS 2051103285Sikob/* 2052103285Sikob * Software implementation for physical memory block access. 2053103285Sikob * XXX:Too slow, usef for debug purpose only. 2054103285Sikob */ 2055106815Ssimokawastatic void 2056106815Ssimokawafw_vmaccess(struct fw_xfer *xfer){ 2057103285Sikob struct fw_pkt *rfp, *sfp = NULL; 2058129585Sdfr uint32_t *ld = (uint32_t *)xfer->recv.buf; 2059103285Sikob 2060113584Ssimokawa printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n", 2061113584Ssimokawa xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2062103285Sikob printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2063103285Sikob if(xfer->resp != 0){ 2064103285Sikob fw_xfer_free( xfer); 2065103285Sikob return; 2066103285Sikob } 2067103285Sikob if(xfer->recv.buf == NULL){ 2068103285Sikob fw_xfer_free( xfer); 2069103285Sikob return; 2070103285Sikob } 2071103285Sikob rfp = (struct fw_pkt *)xfer->recv.buf; 2072103285Sikob switch(rfp->mode.hdr.tcode){ 2073103285Sikob /* XXX need fix for 64bit arch */ 2074103285Sikob case FWTCODE_WREQB: 2075110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2076103285Sikob xfer->send.len = 12; 2077103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2078103285Sikob bcopy(rfp->mode.wreqb.payload, 2079103285Sikob (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2080103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2081103285Sikob sfp->mode.wres.rtcode = 0; 2082103285Sikob break; 2083103285Sikob case FWTCODE_WREQQ: 2084110195Ssimokawa xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2085103285Sikob xfer->send.len = 12; 2086103285Sikob sfp->mode.wres.tcode = FWTCODE_WRES; 2087129585Sdfr *((uint32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2088103285Sikob sfp->mode.wres.rtcode = 0; 2089103285Sikob break; 2090103285Sikob case FWTCODE_RREQB: 2091110195Ssimokawa xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2092103285Sikob xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2093103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2094103285Sikob bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2095129585Sdfr sfp->mode.rresb.payload, (uint16_t)ntohs(rfp->mode.rreqb.len)); 2096103285Sikob sfp->mode.rresb.tcode = FWTCODE_RRESB; 2097103285Sikob sfp->mode.rresb.len = rfp->mode.rreqb.len; 2098103285Sikob sfp->mode.rresb.rtcode = 0; 2099103285Sikob sfp->mode.rresb.extcode = 0; 2100103285Sikob break; 2101103285Sikob case FWTCODE_RREQQ: 2102110195Ssimokawa xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2103103285Sikob xfer->send.len = 16; 2104103285Sikob sfp = (struct fw_pkt *)xfer->send.buf; 2105129585Sdfr sfp->mode.rresq.data = *(uint32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2106103285Sikob sfp->mode.wres.tcode = FWTCODE_RRESQ; 2107103285Sikob sfp->mode.rresb.rtcode = 0; 2108103285Sikob break; 2109103285Sikob default: 2110103285Sikob fw_xfer_free( xfer); 2111103285Sikob return; 2112103285Sikob } 2113103285Sikob sfp->mode.hdr.dst = rfp->mode.hdr.src; 2114103285Sikob xfer->dst = ntohs(rfp->mode.hdr.src); 2115167632Ssimokawa xfer->hand = fw_xfer_free; 2116103285Sikob 2117103285Sikob sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2118103285Sikob sfp->mode.hdr.pri = 0; 2119103285Sikob 2120103285Sikob fw_asyreq(xfer->fc, -1, xfer); 2121103285Sikob/**/ 2122103285Sikob return; 2123103285Sikob} 2124106543Ssimokawa#endif 2125106543Ssimokawa 2126103285Sikob/* 2127103285Sikob * CRC16 check-sum for IEEE1394 register blocks. 2128103285Sikob */ 2129129585Sdfruint16_t 2130129585Sdfrfw_crc16(uint32_t *ptr, uint32_t len){ 2131129585Sdfr uint32_t i, sum, crc = 0; 2132103285Sikob int shift; 2133103285Sikob len = (len + 3) & ~3; 2134103285Sikob for(i = 0 ; i < len ; i+= 4){ 2135103285Sikob for( shift = 28 ; shift >= 0 ; shift -= 4){ 2136103285Sikob sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2137103285Sikob crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2138103285Sikob } 2139103285Sikob crc &= 0xffff; 2140103285Sikob } 2141129585Sdfr return((uint16_t) crc); 2142103285Sikob} 2143106815Ssimokawa 2144110270Ssimokawastatic int 2145110072Ssimokawafw_bmr(struct firewire_comm *fc) 2146110072Ssimokawa{ 2147110072Ssimokawa struct fw_device fwdev; 2148113584Ssimokawa union fw_self_id *self_id; 2149110072Ssimokawa int cmstr; 2150129585Sdfr uint32_t quad; 2151110072Ssimokawa 2152113584Ssimokawa /* Check to see if the current root node is cycle master capable */ 2153129274Sdfr self_id = fw_find_self_id(fc, fc->max_node); 2154113584Ssimokawa if (fc->max_node > 0) { 2155114909Ssimokawa /* XXX check cmc bit of businfo block rather than contender */ 2156114909Ssimokawa if (self_id->p0.link_active && self_id->p0.contender) 2157113584Ssimokawa cmstr = fc->max_node; 2158114909Ssimokawa else { 2159114909Ssimokawa device_printf(fc->bdev, 2160114909Ssimokawa "root node is not cycle master capable\n"); 2161114909Ssimokawa /* XXX shall we be the cycle master? */ 2162113584Ssimokawa cmstr = fc->nodeid; 2163114909Ssimokawa /* XXX need bus reset */ 2164114909Ssimokawa } 2165113584Ssimokawa } else 2166113584Ssimokawa cmstr = -1; 2167114909Ssimokawa 2168114909Ssimokawa device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID)); 2169114909Ssimokawa if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) { 2170114909Ssimokawa /* We are not the bus manager */ 2171114909Ssimokawa printf("\n"); 2172114909Ssimokawa return(0); 2173114909Ssimokawa } 2174114909Ssimokawa printf("(me)\n"); 2175114909Ssimokawa 2176114909Ssimokawa /* Optimize gapcount */ 2177113584Ssimokawa if(fc->max_hop <= MAX_GAPHOP ) 2178113584Ssimokawa fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]); 2179110072Ssimokawa /* If we are the cycle master, nothing to do */ 2180113584Ssimokawa if (cmstr == fc->nodeid || cmstr == -1) 2181110072Ssimokawa return 0; 2182110072Ssimokawa /* Bus probe has not finished, make dummy fwdev for cmstr */ 2183110072Ssimokawa bzero(&fwdev, sizeof(fwdev)); 2184110072Ssimokawa fwdev.fc = fc; 2185110072Ssimokawa fwdev.dst = cmstr; 2186110072Ssimokawa fwdev.speed = 0; 2187110072Ssimokawa fwdev.maxrec = 8; /* 512 */ 2188110072Ssimokawa fwdev.status = FWDEVINIT; 2189110072Ssimokawa /* Set cmstr bit on the cycle master */ 2190120660Ssimokawa quad = htonl(1 << 8); 2191110072Ssimokawa fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2192120660Ssimokawa 0xffff, 0xf0000000 | STATE_SET, &quad, fw_asy_callback_free); 2193110072Ssimokawa 2194110072Ssimokawa return 0; 2195110072Ssimokawa} 2196110072Ssimokawa 2197118455Ssimokawastatic int 2198118455Ssimokawafw_modevent(module_t mode, int type, void *data) 2199118455Ssimokawa{ 2200118455Ssimokawa int err = 0; 2201127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2202118455Ssimokawa static eventhandler_tag fwdev_ehtag = NULL; 2203118455Ssimokawa#endif 2204118455Ssimokawa 2205118455Ssimokawa switch (type) { 2206118455Ssimokawa case MOD_LOAD: 2207127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2208118455Ssimokawa fwdev_ehtag = EVENTHANDLER_REGISTER(dev_clone, 2209118455Ssimokawa fwdev_clone, 0, 1000); 2210118455Ssimokawa#endif 2211118455Ssimokawa break; 2212118455Ssimokawa case MOD_UNLOAD: 2213127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2214118455Ssimokawa if (fwdev_ehtag != NULL) 2215118455Ssimokawa EVENTHANDLER_DEREGISTER(dev_clone, fwdev_ehtag); 2216118455Ssimokawa#endif 2217118455Ssimokawa break; 2218118455Ssimokawa case MOD_SHUTDOWN: 2219118455Ssimokawa break; 2220132199Sphk default: 2221132199Sphk return (EOPNOTSUPP); 2222118455Ssimokawa } 2223118455Ssimokawa return (err); 2224118455Ssimokawa} 2225118455Ssimokawa 2226118455Ssimokawa 2227127468Ssimokawa#ifdef __DragonFly__ 2228127468SsimokawaDECLARE_DUMMY_MODULE(firewire); 2229127468Ssimokawa#endif 2230118455SsimokawaDRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,fw_modevent,0); 2231103285SikobMODULE_VERSION(firewire, 1); 2232