firewire.c revision 152792
1217309Snwhitehorn/*- 2255852Sdteske * Copyright (c) 2003 Hidetoshi Shimokawa 3217309Snwhitehorn * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4217309Snwhitehorn * All rights reserved. 5217309Snwhitehorn * 6251843Sbapt * Redistribution and use in source and binary forms, with or without 7217309Snwhitehorn * modification, are permitted provided that the following conditions 8217309Snwhitehorn * are met: 9217309Snwhitehorn * 1. Redistributions of source code must retain the above copyright 10217309Snwhitehorn * notice, this list of conditions and the following disclaimer. 11217309Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 12217309Snwhitehorn * notice, this list of conditions and the following disclaimer in the 13217309Snwhitehorn * documentation and/or other materials provided with the distribution. 14217309Snwhitehorn * 3. All advertising materials mentioning features or use of this software 15217309Snwhitehorn * must display the acknowledgement as bellow: 16217309Snwhitehorn * 17217309Snwhitehorn * This product includes software developed by K. Kobayashi and H. Shimokawa 18217309Snwhitehorn * 19217309Snwhitehorn * 4. The name of the author may not be used to endorse or promote products 20217309Snwhitehorn * derived from this software without specific prior written permission. 21217309Snwhitehorn * 22217309Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23217309Snwhitehorn * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24217309Snwhitehorn * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25217309Snwhitehorn * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26217309Snwhitehorn * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27217309Snwhitehorn * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28217309Snwhitehorn * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29217309Snwhitehorn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30217309Snwhitehorn * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31217309Snwhitehorn * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32217309Snwhitehorn * POSSIBILITY OF SUCH DAMAGE. 33217309Snwhitehorn * 34217309Snwhitehorn * $FreeBSD: head/sys/dev/firewire/firewire.c 152792 2005-11-25 14:29:24Z simokawa $ 35217309Snwhitehorn * 36217309Snwhitehorn */ 37217309Snwhitehorn 38217309Snwhitehorn#include <sys/param.h> 39217309Snwhitehorn#include <sys/systm.h> 40217309Snwhitehorn#include <sys/types.h> 41217309Snwhitehorn 42217309Snwhitehorn#include <sys/kernel.h> 43217309Snwhitehorn#include <sys/module.h> 44217309Snwhitehorn#include <sys/malloc.h> 45217309Snwhitehorn#include <sys/conf.h> 46217309Snwhitehorn#include <sys/sysctl.h> 47217309Snwhitehorn 48217309Snwhitehorn#if defined(__DragonFly__) || __FreeBSD_version < 500000 49217309Snwhitehorn#include <machine/clock.h> /* for DELAY() */ 50217309Snwhitehorn#endif 51217309Snwhitehorn 52217309Snwhitehorn#include <sys/bus.h> /* used by smbus and newbus */ 53217309Snwhitehorn#include <machine/bus.h> 54217309Snwhitehorn 55217309Snwhitehorn#ifdef __DragonFly__ 56217309Snwhitehorn#include "firewire.h" 57217309Snwhitehorn#include "firewirereg.h" 58217309Snwhitehorn#include "fwmem.h" 59251843Sbapt#include "iec13213.h" 60217309Snwhitehorn#include "iec68113.h" 61217309Snwhitehorn#else 62217309Snwhitehorn#include <dev/firewire/firewire.h> 63217309Snwhitehorn#include <dev/firewire/firewirereg.h> 64217309Snwhitehorn#include <dev/firewire/fwmem.h> 65217309Snwhitehorn#include <dev/firewire/iec13213.h> 66217309Snwhitehorn#include <dev/firewire/iec68113.h> 67217309Snwhitehorn#endif 68217309Snwhitehorn 69217309Snwhitehornstruct crom_src_buf { 70224014Snwhitehorn struct crom_src src; 71217309Snwhitehorn struct crom_chunk root; 72224014Snwhitehorn struct crom_chunk vendor; 73217309Snwhitehorn struct crom_chunk hw; 74255852Sdteske}; 75217309Snwhitehorn 76217309Snwhitehornint firewire_debug=0, try_bmr=1, hold_count=3; 77217309SnwhitehornSYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0, 78217309Snwhitehorn "FireWire driver debug flag"); 79217309SnwhitehornSYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem"); 80217309SnwhitehornSYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0, 81217309Snwhitehorn "Try to be a bus manager"); 82217309SnwhitehornSYSCTL_INT(_hw_firewire, OID_AUTO, hold_count, CTLFLAG_RW, &hold_count, 0, 83217309Snwhitehorn "Number of count of bus resets for removing lost device information"); 84217309Snwhitehorn 85217309SnwhitehornMALLOC_DEFINE(M_FW, "firewire", "FireWire"); 86251843SbaptMALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire"); 87217309Snwhitehorn 88217309Snwhitehorn#define FW_MAXASYRTY 4 89217309Snwhitehorn 90217309Snwhitehorndevclass_t firewire_devclass; 91217309Snwhitehorn 92217309Snwhitehornstatic void firewire_identify (driver_t *, device_t); 93217309Snwhitehornstatic int firewire_probe (device_t); 94217309Snwhitehornstatic int firewire_attach (device_t); 95217309Snwhitehornstatic int firewire_detach (device_t); 96217309Snwhitehornstatic int firewire_resume (device_t); 97217309Snwhitehorn#if 0 98220749Snwhitehornstatic int firewire_shutdown (device_t); 99224014Snwhitehorn#endif 100217309Snwhitehornstatic device_t firewire_add_child (device_t, int, const char *, int); 101217309Snwhitehornstatic void fw_try_bmr (void *); 102217309Snwhitehornstatic void fw_try_bmr_callback (struct fw_xfer *); 103217309Snwhitehornstatic void fw_asystart (struct fw_xfer *); 104217309Snwhitehornstatic int fw_get_tlabel (struct firewire_comm *, struct fw_xfer *); 105217309Snwhitehornstatic void fw_bus_probe (struct firewire_comm *); 106217309Snwhitehornstatic void fw_bus_explore (struct firewire_comm *); 107217309Snwhitehornstatic void fw_bus_explore_callback (struct fw_xfer *); 108217309Snwhitehornstatic void fw_attach_dev (struct firewire_comm *); 109220749Snwhitehorn#ifdef FW_VMACCESS 110217309Snwhitehornstatic void fw_vmaccess (struct fw_xfer *); 111217309Snwhitehorn#endif 112217309Snwhitehornstruct fw_xfer *asyreqq (struct firewire_comm *, uint8_t, uint8_t, uint8_t, 113220749Snwhitehorn uint32_t, uint32_t, void (*)(struct fw_xfer *)); 114217309Snwhitehornstatic int fw_bmr (struct firewire_comm *); 115217309Snwhitehorn 116217309Snwhitehornstatic device_method_t firewire_methods[] = { 117217309Snwhitehorn /* Device interface */ 118217309Snwhitehorn DEVMETHOD(device_identify, firewire_identify), 119217309Snwhitehorn DEVMETHOD(device_probe, firewire_probe), 120217309Snwhitehorn DEVMETHOD(device_attach, firewire_attach), 121217309Snwhitehorn DEVMETHOD(device_detach, firewire_detach), 122217309Snwhitehorn DEVMETHOD(device_suspend, bus_generic_suspend), 123217309Snwhitehorn DEVMETHOD(device_resume, firewire_resume), 124217309Snwhitehorn DEVMETHOD(device_shutdown, bus_generic_shutdown), 125217309Snwhitehorn 126217309Snwhitehorn /* Bus interface */ 127217309Snwhitehorn DEVMETHOD(bus_add_child, firewire_add_child), 128217309Snwhitehorn DEVMETHOD(bus_print_child, bus_generic_print_child), 129217309Snwhitehorn 130217309Snwhitehorn { 0, 0 } 131217309Snwhitehorn}; 132217309Snwhitehornchar *linkspeed[] = { 133217309Snwhitehorn "S100", "S200", "S400", "S800", 134217309Snwhitehorn "S1600", "S3200", "undef", "undef" 135217309Snwhitehorn}; 136217309Snwhitehorn 137217309Snwhitehornstatic char *tcode_str[] = { 138217309Snwhitehorn "WREQQ", "WREQB", "WRES", "undef", 139224014Snwhitehorn "RREQQ", "RREQB", "RRESQ", "RRESB", 140217309Snwhitehorn "CYCS", "LREQ", "STREAM", "LRES", 141217309Snwhitehorn "undef", "undef", "PHY", "undef" 142217309Snwhitehorn}; 143217309Snwhitehorn 144251843Sbapt/* IEEE-1394a Table C-2 Gap count as a function of hops*/ 145251843Sbapt#define MAX_GAPHOP 15 146251843Sbaptu_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18, 147251843Sbapt 21, 24, 26, 29, 32, 35, 37, 40}; 148251843Sbapt 149251843Sbaptstatic driver_t firewire_driver = { 150251843Sbapt "firewire", 151251843Sbapt firewire_methods, 152251843Sbapt sizeof(struct firewire_softc), 153251843Sbapt}; 154251843Sbapt 155251843Sbapt/* 156251843Sbapt * Lookup fwdev by node id. 157251843Sbapt */ 158251843Sbaptstruct fw_device * 159251843Sbaptfw_noderesolve_nodeid(struct firewire_comm *fc, int dst) 160251843Sbapt{ 161251843Sbapt struct fw_device *fwdev; 162251843Sbapt int s; 163251843Sbapt 164217309Snwhitehorn s = splfw(); 165217309Snwhitehorn STAILQ_FOREACH(fwdev, &fc->devices, link) 166217309Snwhitehorn if (fwdev->dst == dst && fwdev->status != FWDEVINVAL) 167217309Snwhitehorn break; 168217309Snwhitehorn splx(s); 169217309Snwhitehorn 170217309Snwhitehorn return fwdev; 171217309Snwhitehorn} 172217309Snwhitehorn 173217309Snwhitehorn/* 174217309Snwhitehorn * Lookup fwdev by EUI64. 175217309Snwhitehorn */ 176217309Snwhitehornstruct fw_device * 177217309Snwhitehornfw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui) 178217309Snwhitehorn{ 179217309Snwhitehorn struct fw_device *fwdev; 180217309Snwhitehorn int s; 181217309Snwhitehorn 182217309Snwhitehorn s = splfw(); 183217309Snwhitehorn STAILQ_FOREACH(fwdev, &fc->devices, link) 184217309Snwhitehorn if (FW_EUI64_EQUAL(fwdev->eui, *eui)) 185217309Snwhitehorn break; 186217309Snwhitehorn splx(s); 187217309Snwhitehorn 188217309Snwhitehorn if(fwdev == NULL) return NULL; 189217309Snwhitehorn if(fwdev->status == FWDEVINVAL) return NULL; 190217309Snwhitehorn return fwdev; 191217309Snwhitehorn} 192217309Snwhitehorn 193217309Snwhitehorn/* 194217309Snwhitehorn * Async. request procedure for userland application. 195217309Snwhitehorn */ 196217309Snwhitehornint 197217309Snwhitehornfw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer) 198217309Snwhitehorn{ 199217309Snwhitehorn int err = 0; 200217309Snwhitehorn struct fw_xferq *xferq; 201217309Snwhitehorn int tl = 0, len; 202217309Snwhitehorn struct fw_pkt *fp; 203217309Snwhitehorn int tcode; 204217309Snwhitehorn struct tcode_info *info; 205217309Snwhitehorn 206217309Snwhitehorn if(xfer == NULL) return EINVAL; 207217309Snwhitehorn if(xfer->act.hand == NULL){ 208251843Sbapt printf("act.hand == NULL\n"); 209251843Sbapt return EINVAL; 210217309Snwhitehorn } 211217309Snwhitehorn fp = &xfer->send.hdr; 212217309Snwhitehorn 213217309Snwhitehorn tcode = fp->mode.common.tcode & 0xf; 214217309Snwhitehorn info = &fc->tcode[tcode]; 215217309Snwhitehorn if (info->flag == 0) { 216217309Snwhitehorn printf("invalid tcode=%x\n", tcode); 217217309Snwhitehorn return EINVAL; 218217309Snwhitehorn } 219251843Sbapt if (info->flag & FWTI_REQ) 220217309Snwhitehorn xferq = fc->atq; 221217309Snwhitehorn else 222217309Snwhitehorn xferq = fc->ats; 223217309Snwhitehorn len = info->hdr_len; 224217309Snwhitehorn if (xfer->send.pay_len > MAXREC(fc->maxrec)) { 225217309Snwhitehorn printf("send.pay_len > maxrec\n"); 226217309Snwhitehorn return EINVAL; 227217309Snwhitehorn } 228217309Snwhitehorn if (info->flag & FWTI_BLOCK_STR) 229217309Snwhitehorn len = fp->mode.stream.len; 230217309Snwhitehorn else if (info->flag & FWTI_BLOCK_ASY) 231217309Snwhitehorn len = fp->mode.rresb.len; 232217309Snwhitehorn else 233255852Sdteske len = 0; 234224014Snwhitehorn if (len != xfer->send.pay_len){ 235224014Snwhitehorn printf("len(%d) != send.pay_len(%d) %s(%x)\n", 236217309Snwhitehorn len, xfer->send.pay_len, tcode_str[tcode], tcode); 237217309Snwhitehorn return EINVAL; 238217309Snwhitehorn } 239217309Snwhitehorn 240217309Snwhitehorn if(xferq->start == NULL){ 241217309Snwhitehorn printf("xferq->start == NULL\n"); 242217309Snwhitehorn return EINVAL; 243217309Snwhitehorn } 244217309Snwhitehorn if(!(xferq->queued < xferq->maxq)){ 245217309Snwhitehorn device_printf(fc->bdev, "Discard a packet (queued=%d)\n", 246217309Snwhitehorn xferq->queued); 247251843Sbapt return EINVAL; 248217309Snwhitehorn } 249217309Snwhitehorn 250217309Snwhitehorn if (info->flag & FWTI_TLABEL) { 251217309Snwhitehorn if ((tl = fw_get_tlabel(fc, xfer)) == -1) 252217309Snwhitehorn return EAGAIN; 253217309Snwhitehorn fp->mode.hdr.tlrt = tl << 2; 254217309Snwhitehorn } 255217309Snwhitehorn 256251843Sbapt xfer->tl = tl; 257217309Snwhitehorn xfer->resp = 0; 258217309Snwhitehorn xfer->fc = fc; 259217309Snwhitehorn xfer->q = xferq; 260220749Snwhitehorn xfer->retry_req = fw_asybusy; 261224014Snwhitehorn 262217309Snwhitehorn fw_asystart(xfer); 263217309Snwhitehorn return err; 264217309Snwhitehorn} 265217309Snwhitehorn/* 266217309Snwhitehorn * Wakeup blocked process. 267217309Snwhitehorn */ 268217309Snwhitehornvoid 269217309Snwhitehornfw_asy_callback(struct fw_xfer *xfer){ 270217309Snwhitehorn wakeup(xfer); 271217309Snwhitehorn return; 272220749Snwhitehorn} 273217309Snwhitehorn/* 274217309Snwhitehorn * Postpone to later retry. 275217309Snwhitehorn */ 276220749Snwhitehornvoid fw_asybusy(struct fw_xfer *xfer){ 277220749Snwhitehorn printf("fw_asybusy\n"); 278217309Snwhitehorn/* 279217309Snwhitehorn xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000); 280217309Snwhitehorn*/ 281217309Snwhitehorn#if 0 282217309Snwhitehorn DELAY(20000); 283217309Snwhitehorn#endif 284217309Snwhitehorn fw_asystart(xfer); 285217309Snwhitehorn return; 286217309Snwhitehorn} 287217309Snwhitehorn 288217309Snwhitehorn/* 289217309Snwhitehorn * Async. request with given xfer structure. 290217309Snwhitehorn */ 291217309Snwhitehornstatic void 292217309Snwhitehornfw_asystart(struct fw_xfer *xfer) 293217309Snwhitehorn{ 294217309Snwhitehorn struct firewire_comm *fc = xfer->fc; 295217309Snwhitehorn int s; 296217309Snwhitehorn if(xfer->retry++ >= fc->max_asyretry){ 297217309Snwhitehorn device_printf(fc->bdev, "max_asyretry exceeded\n"); 298217309Snwhitehorn xfer->resp = EBUSY; 299217309Snwhitehorn xfer->state = FWXF_BUSY; 300217309Snwhitehorn xfer->act.hand(xfer); 301217309Snwhitehorn return; 302224014Snwhitehorn } 303217309Snwhitehorn#if 0 /* XXX allow bus explore packets only after bus rest */ 304217309Snwhitehorn if (fc->status < FWBUSEXPLORE) { 305217309Snwhitehorn xfer->resp = EAGAIN; 306217309Snwhitehorn xfer->state = FWXF_BUSY; 307251843Sbapt if (xfer->act.hand != NULL) 308251843Sbapt xfer->act.hand(xfer); 309251843Sbapt return; 310251843Sbapt } 311251843Sbapt#endif 312251843Sbapt microtime(&xfer->tv); 313251843Sbapt s = splfw(); 314251843Sbapt xfer->state = FWXF_INQ; 315251843Sbapt STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link); 316251843Sbapt xfer->q->queued ++; 317251843Sbapt splx(s); 318251843Sbapt /* XXX just queue for mbuf */ 319251843Sbapt if (xfer->mbuf == NULL) 320251843Sbapt xfer->q->start(fc); 321251843Sbapt return; 322251843Sbapt} 323251843Sbapt 324251843Sbaptstatic void 325251843Sbaptfirewire_identify(driver_t *driver, device_t parent) 326251843Sbapt{ 327251843Sbapt BUS_ADD_CHILD(parent, 0, "firewire", -1); 328251843Sbapt} 329251843Sbapt 330251843Sbaptstatic int 331251843Sbaptfirewire_probe(device_t dev) 332251843Sbapt{ 333251843Sbapt device_set_desc(dev, "IEEE1394(FireWire) bus"); 334251843Sbapt return (0); 335217309Snwhitehorn} 336217309Snwhitehorn 337217309Snwhitehornstatic void 338217309Snwhitehornfirewire_xfer_timeout(struct firewire_comm *fc) 339217309Snwhitehorn{ 340217309Snwhitehorn struct fw_xfer *xfer; 341217309Snwhitehorn struct tlabel *tl; 342217309Snwhitehorn struct timeval tv; 343217309Snwhitehorn struct timeval split_timeout; 344217309Snwhitehorn int i, s; 345217309Snwhitehorn 346217309Snwhitehorn split_timeout.tv_sec = 0; 347217309Snwhitehorn split_timeout.tv_usec = 200 * 1000; /* 200 msec */ 348217309Snwhitehorn 349217309Snwhitehorn microtime(&tv); 350217309Snwhitehorn timevalsub(&tv, &split_timeout); 351217309Snwhitehorn 352217309Snwhitehorn s = splfw(); 353217309Snwhitehorn for (i = 0; i < 0x40; i ++) { 354217309Snwhitehorn while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) { 355217309Snwhitehorn xfer = tl->xfer; 356217309Snwhitehorn if (timevalcmp(&xfer->tv, &tv, >)) 357217309Snwhitehorn /* the rests are newer than this */ 358217309Snwhitehorn break; 359217309Snwhitehorn if (xfer->state == FWXF_START) 360217309Snwhitehorn /* not sent yet */ 361217309Snwhitehorn break; 362217309Snwhitehorn device_printf(fc->bdev, 363217309Snwhitehorn "split transaction timeout dst=0x%x tl=0x%x state=%d\n", 364217309Snwhitehorn xfer->send.hdr.mode.hdr.dst, i, xfer->state); 365217309Snwhitehorn xfer->resp = ETIMEDOUT; 366217309Snwhitehorn STAILQ_REMOVE_HEAD(&fc->tlabels[i], link); 367217309Snwhitehorn fw_xfer_done(xfer); 368217309Snwhitehorn } 369217309Snwhitehorn } 370217309Snwhitehorn splx(s); 371220749Snwhitehorn} 372217309Snwhitehorn 373217309Snwhitehorn#define WATCHDOC_HZ 10 374217309Snwhitehornstatic void 375217309Snwhitehornfirewire_watchdog(void *arg) 376217309Snwhitehorn{ 377220749Snwhitehorn struct firewire_comm *fc; 378217309Snwhitehorn static int watchdoc_clock = 0; 379217309Snwhitehorn 380217309Snwhitehorn fc = (struct firewire_comm *)arg; 381217309Snwhitehorn 382217309Snwhitehorn /* 383217309Snwhitehorn * At boot stage, the device interrupt is disabled and 384217309Snwhitehorn * We encounter a timeout easily. To avoid this, 385217309Snwhitehorn * ignore clock interrupt for a while. 386217309Snwhitehorn */ 387217309Snwhitehorn if (watchdoc_clock > WATCHDOC_HZ * 15) { 388217309Snwhitehorn firewire_xfer_timeout(fc); 389217309Snwhitehorn fc->timeout(fc); 390217309Snwhitehorn } else 391217309Snwhitehorn watchdoc_clock ++; 392217309Snwhitehorn 393217309Snwhitehorn callout_reset(&fc->timeout_callout, hz / WATCHDOC_HZ, 394217309Snwhitehorn (void *)firewire_watchdog, (void *)fc); 395217309Snwhitehorn} 396217309Snwhitehorn 397217309Snwhitehorn/* 398217309Snwhitehorn * The attach routine. 399217309Snwhitehorn */ 400217309Snwhitehornstatic int 401217309Snwhitehornfirewire_attach(device_t dev) 402217309Snwhitehorn{ 403217309Snwhitehorn int unit; 404217309Snwhitehorn struct firewire_softc *sc = device_get_softc(dev); 405220749Snwhitehorn device_t pa = device_get_parent(dev); 406217309Snwhitehorn struct firewire_comm *fc; 407217309Snwhitehorn 408217309Snwhitehorn fc = (struct firewire_comm *)device_get_softc(pa); 409217309Snwhitehorn sc->fc = fc; 410217309Snwhitehorn fc->status = FWBUSNOTREADY; 411217309Snwhitehorn 412217309Snwhitehorn unit = device_get_unit(dev); 413217309Snwhitehorn if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA; 414217309Snwhitehorn 415220749Snwhitehorn fwdev_makedev(sc); 416220749Snwhitehorn 417217309Snwhitehorn CALLOUT_INIT(&sc->fc->timeout_callout); 418217309Snwhitehorn CALLOUT_INIT(&sc->fc->bmr_callout); 419217309Snwhitehorn CALLOUT_INIT(&sc->fc->retry_probe_callout); 420217309Snwhitehorn CALLOUT_INIT(&sc->fc->busprobe_callout); 421217309Snwhitehorn 422217309Snwhitehorn callout_reset(&sc->fc->timeout_callout, hz, 423217309Snwhitehorn (void *)firewire_watchdog, (void *)sc->fc); 424217309Snwhitehorn 425217309Snwhitehorn /* Locate our children */ 426217309Snwhitehorn bus_generic_probe(dev); 427217309Snwhitehorn 428217309Snwhitehorn /* launch attachement of the added children */ 429217309Snwhitehorn bus_generic_attach(dev); 430217309Snwhitehorn 431217309Snwhitehorn /* bus_reset */ 432217309Snwhitehorn fw_busreset(fc); 433217309Snwhitehorn fc->ibr(fc); 434217309Snwhitehorn 435217309Snwhitehorn return 0; 436217309Snwhitehorn} 437217309Snwhitehorn 438217309Snwhitehorn/* 439217309Snwhitehorn * Attach it as child. 440217309Snwhitehorn */ 441217309Snwhitehornstatic device_t 442217309Snwhitehornfirewire_add_child(device_t dev, int order, const char *name, int unit) 443217309Snwhitehorn{ 444217309Snwhitehorn device_t child; 445217309Snwhitehorn struct firewire_softc *sc; 446217309Snwhitehorn 447217309Snwhitehorn sc = (struct firewire_softc *)device_get_softc(dev); 448217309Snwhitehorn child = device_add_child(dev, name, unit); 449217309Snwhitehorn if (child) { 450217309Snwhitehorn device_set_ivars(child, sc->fc); 451217309Snwhitehorn device_probe_and_attach(child); 452217309Snwhitehorn } 453217309Snwhitehorn 454217309Snwhitehorn return child; 455217309Snwhitehorn} 456217309Snwhitehorn 457220749Snwhitehornstatic int 458217309Snwhitehornfirewire_resume(device_t dev) 459217309Snwhitehorn{ 460217309Snwhitehorn struct firewire_softc *sc; 461217309Snwhitehorn 462217309Snwhitehorn sc = (struct firewire_softc *)device_get_softc(dev); 463217309Snwhitehorn sc->fc->status = FWBUSNOTREADY; 464217309Snwhitehorn 465217309Snwhitehorn bus_generic_resume(dev); 466217309Snwhitehorn 467217309Snwhitehorn return(0); 468217309Snwhitehorn} 469217309Snwhitehorn 470217309Snwhitehorn/* 471217309Snwhitehorn * Dettach it. 472217309Snwhitehorn */ 473251843Sbaptstatic int 474251843Sbaptfirewire_detach(device_t dev) 475251843Sbapt{ 476251843Sbapt struct firewire_softc *sc; 477251843Sbapt struct csrdir *csrd, *next; 478251843Sbapt struct fw_device *fwdev, *fwdev_next; 479217309Snwhitehorn int err; 480217309Snwhitehorn 481217309Snwhitehorn sc = (struct firewire_softc *)device_get_softc(dev); 482217309Snwhitehorn if ((err = fwdev_destroydev(sc)) != 0) 483217309Snwhitehorn return err; 484217309Snwhitehorn 485217309Snwhitehorn if ((err = bus_generic_detach(dev)) != 0) 486217309Snwhitehorn return err; 487217309Snwhitehorn 488217309Snwhitehorn callout_stop(&sc->fc->timeout_callout); 489217309Snwhitehorn callout_stop(&sc->fc->bmr_callout); 490217309Snwhitehorn callout_stop(&sc->fc->retry_probe_callout); 491217309Snwhitehorn callout_stop(&sc->fc->busprobe_callout); 492217309Snwhitehorn 493217309Snwhitehorn /* XXX xfree_free and untimeout on all xfers */ 494217309Snwhitehorn for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL; 495217309Snwhitehorn fwdev = fwdev_next) { 496220749Snwhitehorn fwdev_next = STAILQ_NEXT(fwdev, link); 497251843Sbapt free(fwdev, M_FW); 498251843Sbapt } 499251843Sbapt for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) { 500251843Sbapt next = SLIST_NEXT(csrd, link); 501251843Sbapt free(csrd, M_FW); 502217309Snwhitehorn } 503217309Snwhitehorn free(sc->fc->topology_map, M_FW); 504217309Snwhitehorn free(sc->fc->speed_map, M_FW); 505217309Snwhitehorn free(sc->fc->crom_src_buf, M_FW); 506217309Snwhitehorn return(0); 507217309Snwhitehorn} 508217309Snwhitehorn#if 0 509217309Snwhitehornstatic int 510217309Snwhitehornfirewire_shutdown( device_t dev ) 511251843Sbapt{ 512217309Snwhitehorn return 0; 513217309Snwhitehorn} 514217309Snwhitehorn#endif 515217309Snwhitehorn 516217309Snwhitehorn 517217309Snwhitehornstatic void 518251843Sbaptfw_xferq_drain(struct fw_xferq *xferq) 519251843Sbapt{ 520217309Snwhitehorn struct fw_xfer *xfer; 521217309Snwhitehorn 522217309Snwhitehorn while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) { 523251843Sbapt STAILQ_REMOVE_HEAD(&xferq->q, link); 524217309Snwhitehorn xferq->queued --; 525217309Snwhitehorn xfer->resp = EAGAIN; 526217309Snwhitehorn fw_xfer_done(xfer); 527217309Snwhitehorn } 528217309Snwhitehorn} 529217309Snwhitehorn 530217309Snwhitehornvoid 531217309Snwhitehornfw_drain_txq(struct firewire_comm *fc) 532217309Snwhitehorn{ 533217309Snwhitehorn int i; 534217309Snwhitehorn 535217309Snwhitehorn fw_xferq_drain(fc->atq); 536217309Snwhitehorn fw_xferq_drain(fc->ats); 537217309Snwhitehorn for(i = 0; i < fc->nisodma; i++) 538217309Snwhitehorn fw_xferq_drain(fc->it[i]); 539217309Snwhitehorn} 540217309Snwhitehorn 541217309Snwhitehornstatic void 542217309Snwhitehornfw_reset_csr(struct firewire_comm *fc) 543217309Snwhitehorn{ 544217309Snwhitehorn int i; 545217309Snwhitehorn 546217309Snwhitehorn CSRARC(fc, STATE_CLEAR) 547217309Snwhitehorn = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 548217309Snwhitehorn CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 549217309Snwhitehorn CSRARC(fc, NODE_IDS) = 0x3f; 550217309Snwhitehorn 551217309Snwhitehorn CSRARC(fc, TOPO_MAP + 8) = 0; 552217309Snwhitehorn fc->irm = -1; 553217309Snwhitehorn 554217309Snwhitehorn fc->max_node = -1; 555217309Snwhitehorn 556217309Snwhitehorn for(i = 2; i < 0x100/4 - 2 ; i++){ 557217309Snwhitehorn CSRARC(fc, SPED_MAP + i * 4) = 0; 558217309Snwhitehorn } 559217309Snwhitehorn CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ; 560217309Snwhitehorn CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 561217309Snwhitehorn CSRARC(fc, RESET_START) = 0; 562217309Snwhitehorn CSRARC(fc, SPLIT_TIMEOUT_HI) = 0; 563217309Snwhitehorn CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19; 564217309Snwhitehorn CSRARC(fc, CYCLE_TIME) = 0x0; 565217309Snwhitehorn CSRARC(fc, BUS_TIME) = 0x0; 566217309Snwhitehorn CSRARC(fc, BUS_MGR_ID) = 0x3f; 567217309Snwhitehorn CSRARC(fc, BANDWIDTH_AV) = 4915; 568217309Snwhitehorn CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff; 569217309Snwhitehorn CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff; 570217309Snwhitehorn CSRARC(fc, IP_CHANNELS) = (1 << 31); 571217309Snwhitehorn 572217309Snwhitehorn CSRARC(fc, CONF_ROM) = 0x04 << 24; 573217309Snwhitehorn CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */ 574217309Snwhitehorn CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 | 575217309Snwhitehorn 1 << 28 | 0xff << 16 | 0x09 << 8; 576217309Snwhitehorn CSRARC(fc, CONF_ROM + 0xc) = 0; 577251843Sbapt 578217309Snwhitehorn/* DV depend CSRs see blue book */ 579251843Sbapt CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON; 580251843Sbapt CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON; 581251843Sbapt 582251843Sbapt CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 ); 583251843Sbapt CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR); 584251843Sbapt} 585251843Sbapt 586251843Sbaptstatic void 587251843Sbaptfw_init_crom(struct firewire_comm *fc) 588217309Snwhitehorn{ 589217309Snwhitehorn struct crom_src *src; 590217309Snwhitehorn 591217309Snwhitehorn fc->crom_src_buf = (struct crom_src_buf *) 592217309Snwhitehorn malloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO); 593217309Snwhitehorn if (fc->crom_src_buf == NULL) 594217309Snwhitehorn return; 595217309Snwhitehorn 596217309Snwhitehorn src = &fc->crom_src_buf->src; 597217309Snwhitehorn bzero(src, sizeof(struct crom_src)); 598217309Snwhitehorn 599217309Snwhitehorn /* BUS info sample */ 600217309Snwhitehorn src->hdr.info_len = 4; 601217309Snwhitehorn 602217309Snwhitehorn src->businfo.bus_name = CSR_BUS_NAME_IEEE1394; 603217309Snwhitehorn 604217309Snwhitehorn src->businfo.irmc = 1; 605217309Snwhitehorn src->businfo.cmc = 1; 606217309Snwhitehorn src->businfo.isc = 1; 607217309Snwhitehorn src->businfo.bmc = 1; 608217309Snwhitehorn src->businfo.pmc = 0; 609217309Snwhitehorn src->businfo.cyc_clk_acc = 100; 610217309Snwhitehorn src->businfo.max_rec = fc->maxrec; 611217309Snwhitehorn src->businfo.max_rom = MAXROM_4; 612217309Snwhitehorn src->businfo.generation = 1; 613217309Snwhitehorn src->businfo.link_spd = fc->speed; 614217309Snwhitehorn 615217309Snwhitehorn src->businfo.eui64.hi = fc->eui.hi; 616217309Snwhitehorn src->businfo.eui64.lo = fc->eui.lo; 617217309Snwhitehorn 618217309Snwhitehorn STAILQ_INIT(&src->chunk_list); 619217309Snwhitehorn 620217309Snwhitehorn fc->crom_src = src; 621217309Snwhitehorn fc->crom_root = &fc->crom_src_buf->root; 622217309Snwhitehorn} 623217309Snwhitehorn 624217309Snwhitehornstatic void 625217309Snwhitehornfw_reset_crom(struct firewire_comm *fc) 626217309Snwhitehorn{ 627217309Snwhitehorn struct crom_src_buf *buf; 628217309Snwhitehorn struct crom_src *src; 629217309Snwhitehorn struct crom_chunk *root; 630217309Snwhitehorn 631217309Snwhitehorn if (fc->crom_src_buf == NULL) 632217309Snwhitehorn fw_init_crom(fc); 633217309Snwhitehorn 634220749Snwhitehorn buf = fc->crom_src_buf; 635220749Snwhitehorn src = fc->crom_src; 636217309Snwhitehorn root = fc->crom_root; 637217309Snwhitehorn 638217309Snwhitehorn STAILQ_INIT(&src->chunk_list); 639217309Snwhitehorn 640217309Snwhitehorn bzero(root, sizeof(struct crom_chunk)); 641217309Snwhitehorn crom_add_chunk(src, NULL, root, 0); 642217309Snwhitehorn crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */ 643217309Snwhitehorn /* private company_id */ 644217309Snwhitehorn crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE); 645217309Snwhitehorn#ifdef __DragonFly__ 646217309Snwhitehorn crom_add_simple_text(src, root, &buf->vendor, "DragonFly Project"); 647217309Snwhitehorn crom_add_entry(root, CSRKEY_HW, __DragonFly_cc_version); 648217309Snwhitehorn#else 649217309Snwhitehorn crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project"); 650217309Snwhitehorn crom_add_entry(root, CSRKEY_HW, __FreeBSD_version); 651217309Snwhitehorn#endif 652217309Snwhitehorn crom_add_simple_text(src, root, &buf->hw, hostname); 653217309Snwhitehorn} 654217309Snwhitehorn 655217309Snwhitehorn/* 656217309Snwhitehorn * Called after bus reset. 657217309Snwhitehorn */ 658217309Snwhitehornvoid 659217309Snwhitehornfw_busreset(struct firewire_comm *fc) 660217309Snwhitehorn{ 661217309Snwhitehorn struct firewire_dev_comm *fdc; 662217309Snwhitehorn struct crom_src *src; 663217309Snwhitehorn device_t *devlistp; 664217309Snwhitehorn void *newrom; 665217309Snwhitehorn int i, devcnt; 666217309Snwhitehorn 667217309Snwhitehorn switch(fc->status){ 668217309Snwhitehorn case FWBUSMGRELECT: 669217309Snwhitehorn callout_stop(&fc->bmr_callout); 670217309Snwhitehorn break; 671217309Snwhitehorn default: 672217309Snwhitehorn break; 673217309Snwhitehorn } 674217309Snwhitehorn fc->status = FWBUSRESET; 675217309Snwhitehorn fw_reset_csr(fc); 676217309Snwhitehorn fw_reset_crom(fc); 677217309Snwhitehorn 678217309Snwhitehorn if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) { 679217309Snwhitehorn for( i = 0 ; i < devcnt ; i++) 680217309Snwhitehorn if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 681217309Snwhitehorn fdc = device_get_softc(devlistp[i]); 682217309Snwhitehorn if (fdc->post_busreset != NULL) 683217309Snwhitehorn fdc->post_busreset(fdc); 684217309Snwhitehorn } 685217309Snwhitehorn free(devlistp, M_TEMP); 686217309Snwhitehorn } 687217309Snwhitehorn 688217309Snwhitehorn newrom = malloc(CROMSIZE, M_FW, M_NOWAIT | M_ZERO); 689217309Snwhitehorn src = &fc->crom_src_buf->src; 690217309Snwhitehorn crom_load(src, (uint32_t *)newrom, CROMSIZE); 691217309Snwhitehorn if (bcmp(newrom, fc->config_rom, CROMSIZE) != 0) { 692217309Snwhitehorn /* bump generation and reload */ 693217309Snwhitehorn src->businfo.generation ++; 694217309Snwhitehorn /* generation must be between 0x2 and 0xF */ 695217309Snwhitehorn if (src->businfo.generation < 2) 696217309Snwhitehorn src->businfo.generation ++; 697217309Snwhitehorn crom_load(src, (uint32_t *)newrom, CROMSIZE); 698217309Snwhitehorn bcopy(newrom, (void *)fc->config_rom, CROMSIZE); 699217309Snwhitehorn } 700217309Snwhitehorn free(newrom, M_FW); 701217309Snwhitehorn} 702217309Snwhitehorn 703217309Snwhitehorn/* Call once after reboot */ 704217309Snwhitehornvoid fw_init(struct firewire_comm *fc) 705217309Snwhitehorn{ 706217309Snwhitehorn int i; 707217309Snwhitehorn struct csrdir *csrd; 708217309Snwhitehorn#ifdef FW_VMACCESS 709220749Snwhitehorn struct fw_xfer *xfer; 710220749Snwhitehorn struct fw_bind *fwb; 711217309Snwhitehorn#endif 712217309Snwhitehorn 713217309Snwhitehorn fc->max_asyretry = FW_MAXASYRTY; 714217309Snwhitehorn 715217309Snwhitehorn fc->arq->queued = 0; 716217309Snwhitehorn fc->ars->queued = 0; 717220749Snwhitehorn fc->atq->queued = 0; 718220749Snwhitehorn fc->ats->queued = 0; 719220749Snwhitehorn 720220749Snwhitehorn fc->arq->buf = NULL; 721217309Snwhitehorn fc->ars->buf = NULL; 722217309Snwhitehorn fc->atq->buf = NULL; 723217309Snwhitehorn fc->ats->buf = NULL; 724217309Snwhitehorn 725220749Snwhitehorn fc->arq->flag = 0; 726220749Snwhitehorn fc->ars->flag = 0; 727220749Snwhitehorn fc->atq->flag = 0; 728220749Snwhitehorn fc->ats->flag = 0; 729220749Snwhitehorn 730220749Snwhitehorn STAILQ_INIT(&fc->atq->q); 731220749Snwhitehorn STAILQ_INIT(&fc->ats->q); 732220749Snwhitehorn 733220749Snwhitehorn for( i = 0 ; i < fc->nisodma ; i ++ ){ 734220749Snwhitehorn fc->it[i]->queued = 0; 735220749Snwhitehorn fc->ir[i]->queued = 0; 736217309Snwhitehorn 737217309Snwhitehorn fc->it[i]->start = NULL; 738217309Snwhitehorn fc->ir[i]->start = NULL; 739217309Snwhitehorn 740217309Snwhitehorn fc->it[i]->buf = NULL; 741217309Snwhitehorn fc->ir[i]->buf = NULL; 742217309Snwhitehorn 743217309Snwhitehorn fc->it[i]->flag = FWXFERQ_STREAM; 744217309Snwhitehorn fc->ir[i]->flag = FWXFERQ_STREAM; 745217309Snwhitehorn 746217309Snwhitehorn STAILQ_INIT(&fc->it[i]->q); 747217309Snwhitehorn STAILQ_INIT(&fc->ir[i]->q); 748217309Snwhitehorn 749217309Snwhitehorn STAILQ_INIT(&fc->it[i]->binds); 750217309Snwhitehorn STAILQ_INIT(&fc->ir[i]->binds); 751217309Snwhitehorn } 752217309Snwhitehorn 753217309Snwhitehorn fc->arq->maxq = FWMAXQUEUE; 754217309Snwhitehorn fc->ars->maxq = FWMAXQUEUE; 755217309Snwhitehorn fc->atq->maxq = FWMAXQUEUE; 756217309Snwhitehorn fc->ats->maxq = FWMAXQUEUE; 757217309Snwhitehorn 758217309Snwhitehorn for( i = 0 ; i < fc->nisodma ; i++){ 759217309Snwhitehorn fc->ir[i]->maxq = FWMAXQUEUE; 760217309Snwhitehorn fc->it[i]->maxq = FWMAXQUEUE; 761217309Snwhitehorn } 762217309Snwhitehorn/* Initialize csr registers */ 763217309Snwhitehorn fc->topology_map = (struct fw_topology_map *)malloc( 764217309Snwhitehorn sizeof(struct fw_topology_map), 765217309Snwhitehorn M_FW, M_NOWAIT | M_ZERO); 766217309Snwhitehorn fc->speed_map = (struct fw_speed_map *)malloc( 767217309Snwhitehorn sizeof(struct fw_speed_map), 768217309Snwhitehorn M_FW, M_NOWAIT | M_ZERO); 769217309Snwhitehorn CSRARC(fc, TOPO_MAP) = 0x3f1 << 16; 770217309Snwhitehorn CSRARC(fc, TOPO_MAP + 4) = 1; 771217309Snwhitehorn CSRARC(fc, SPED_MAP) = 0x3f1 << 16; 772217309Snwhitehorn CSRARC(fc, SPED_MAP + 4) = 1; 773217309Snwhitehorn 774217309Snwhitehorn STAILQ_INIT(&fc->devices); 775217309Snwhitehorn 776217309Snwhitehorn/* Initialize csr ROM work space */ 777217309Snwhitehorn SLIST_INIT(&fc->ongocsr); 778217309Snwhitehorn SLIST_INIT(&fc->csrfree); 779217309Snwhitehorn for( i = 0 ; i < FWMAXCSRDIR ; i++){ 780217309Snwhitehorn csrd = (struct csrdir *) malloc(sizeof(struct csrdir), M_FW,M_NOWAIT); 781217309Snwhitehorn if(csrd == NULL) break; 782217309Snwhitehorn SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 783217309Snwhitehorn } 784217309Snwhitehorn 785217309Snwhitehorn/* Initialize Async handlers */ 786217309Snwhitehorn STAILQ_INIT(&fc->binds); 787217309Snwhitehorn for( i = 0 ; i < 0x40 ; i++){ 788217309Snwhitehorn STAILQ_INIT(&fc->tlabels[i]); 789217309Snwhitehorn } 790217309Snwhitehorn 791217309Snwhitehorn/* DV depend CSRs see blue book */ 792217309Snwhitehorn#if 0 793217309Snwhitehorn CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */ 794217309Snwhitehorn CSRARC(fc, oPCR) = 0x8000007a; 795217309Snwhitehorn for(i = 4 ; i < 0x7c/4 ; i+=4){ 796217309Snwhitehorn CSRARC(fc, i + oPCR) = 0x8000007a; 797217309Snwhitehorn } 798217309Snwhitehorn 799217309Snwhitehorn CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */ 800217309Snwhitehorn CSRARC(fc, iPCR) = 0x803f0000; 801217309Snwhitehorn for(i = 4 ; i < 0x7c/4 ; i+=4){ 802217309Snwhitehorn CSRARC(fc, i + iPCR) = 0x0; 803217309Snwhitehorn } 804217309Snwhitehorn#endif 805217309Snwhitehorn 806217309Snwhitehorn fc->crom_src_buf = NULL; 807217309Snwhitehorn 808217309Snwhitehorn#ifdef FW_VMACCESS 809217309Snwhitehorn xfer = fw_xfer_alloc(); 810217309Snwhitehorn if(xfer == NULL) return; 811217309Snwhitehorn 812217309Snwhitehorn fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind), M_FW, M_NOWAIT); 813217309Snwhitehorn if(fwb == NULL){ 814217309Snwhitehorn fw_xfer_free(xfer); 815217309Snwhitehorn return; 816217309Snwhitehorn } 817217309Snwhitehorn xfer->act.hand = fw_vmaccess; 818217309Snwhitehorn xfer->fc = fc; 819217309Snwhitehorn xfer->sc = NULL; 820217309Snwhitehorn 821217309Snwhitehorn fwb->start_hi = 0x2; 822217309Snwhitehorn fwb->start_lo = 0; 823217309Snwhitehorn fwb->addrlen = 0xffffffff; 824217309Snwhitehorn fwb->xfer = xfer; 825217309Snwhitehorn fw_bindadd(fc, fwb); 826217309Snwhitehorn#endif 827217309Snwhitehorn} 828217309Snwhitehorn 829217309Snwhitehorn#define BIND_CMP(addr, fwb) (((addr) < (fwb)->start)?-1:\ 830217309Snwhitehorn ((fwb)->end < (addr))?1:0) 831217309Snwhitehorn 832217309Snwhitehorn/* 833217309Snwhitehorn * To lookup bound process from IEEE1394 address. 834217309Snwhitehorn */ 835217309Snwhitehornstruct fw_bind * 836217309Snwhitehornfw_bindlookup(struct firewire_comm *fc, uint16_t dest_hi, uint32_t dest_lo) 837217309Snwhitehorn{ 838217309Snwhitehorn u_int64_t addr; 839217309Snwhitehorn struct fw_bind *tfw; 840217309Snwhitehorn 841217309Snwhitehorn addr = ((u_int64_t)dest_hi << 32) | dest_lo; 842217309Snwhitehorn STAILQ_FOREACH(tfw, &fc->binds, fclist) 843217309Snwhitehorn if (tfw->act_type != FWACT_NULL && BIND_CMP(addr, tfw) == 0) 844217309Snwhitehorn return(tfw); 845217309Snwhitehorn return(NULL); 846217309Snwhitehorn} 847251843Sbapt 848251843Sbapt/* 849251843Sbapt * To bind IEEE1394 address block to process. 850251843Sbapt */ 851251843Sbaptint 852251843Sbaptfw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb) 853251843Sbapt{ 854251843Sbapt struct fw_bind *tfw, *prev = NULL; 855251843Sbapt 856251843Sbapt if (fwb->start > fwb->end) { 857251843Sbapt printf("%s: invalid range\n", __func__); 858251843Sbapt return EINVAL; 859251843Sbapt } 860251843Sbapt 861251843Sbapt STAILQ_FOREACH(tfw, &fc->binds, fclist) { 862251843Sbapt if (fwb->end < tfw->start) 863251843Sbapt break; 864251843Sbapt prev = tfw; 865251843Sbapt } 866251843Sbapt if (prev == NULL) { 867251843Sbapt STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist); 868251843Sbapt goto out; 869251843Sbapt } 870251843Sbapt if (prev->end < fwb->start) { 871251843Sbapt STAILQ_INSERT_AFTER(&fc->binds, prev, fwb, fclist); 872251843Sbapt goto out; 873251843Sbapt } 874251843Sbapt 875251843Sbapt printf("%s: bind failed\n", __func__); 876251843Sbapt return (EBUSY); 877251843Sbapt 878251843Sbaptout: 879251843Sbapt if (fwb->act_type == FWACT_CH) 880251843Sbapt STAILQ_INSERT_HEAD(&fc->ir[fwb->sub]->binds, fwb, chlist); 881251843Sbapt return (0); 882251843Sbapt} 883251843Sbapt 884251843Sbapt/* 885251843Sbapt * To free IEEE1394 address block. 886251843Sbapt */ 887251843Sbaptint 888251843Sbaptfw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb) 889251843Sbapt{ 890251843Sbapt#if 0 891251843Sbapt struct fw_xfer *xfer, *next; 892251843Sbapt#endif 893251843Sbapt struct fw_bind *tfw; 894251843Sbapt int s; 895251843Sbapt 896251843Sbapt s = splfw(); 897251843Sbapt STAILQ_FOREACH(tfw, &fc->binds, fclist) 898251843Sbapt if (tfw == fwb) { 899251843Sbapt STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist); 900251843Sbapt goto found; 901251843Sbapt } 902251843Sbapt 903251843Sbapt printf("%s: no such binding\n", __func__); 904251843Sbapt splx(s); 905251843Sbapt return (1); 906251843Sbaptfound: 907251843Sbapt#if 0 908251843Sbapt /* shall we do this? */ 909251843Sbapt for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) { 910251843Sbapt next = STAILQ_NEXT(xfer, link); 911251843Sbapt fw_xfer_free(xfer); 912251843Sbapt } 913251843Sbapt STAILQ_INIT(&fwb->xferlist); 914251843Sbapt#endif 915251843Sbapt 916217309Snwhitehorn splx(s); 917217309Snwhitehorn return 0; 918217309Snwhitehorn} 919217309Snwhitehorn 920217309Snwhitehorn/* 921217309Snwhitehorn * To free transaction label. 922217309Snwhitehorn */ 923217309Snwhitehornstatic void 924217309Snwhitehornfw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer) 925217309Snwhitehorn{ 926217309Snwhitehorn struct tlabel *tl; 927217309Snwhitehorn int s = splfw(); 928217309Snwhitehorn 929217309Snwhitehorn for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL; 930217309Snwhitehorn tl = STAILQ_NEXT(tl, link)){ 931217309Snwhitehorn if(tl->xfer == xfer){ 932217309Snwhitehorn STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link); 933217309Snwhitehorn free(tl, M_FW); 934217309Snwhitehorn splx(s); 935217309Snwhitehorn return; 936217309Snwhitehorn } 937217309Snwhitehorn } 938217309Snwhitehorn splx(s); 939217309Snwhitehorn return; 940217309Snwhitehorn} 941217309Snwhitehorn 942217309Snwhitehorn/* 943217309Snwhitehorn * To obtain XFER structure by transaction label. 944217309Snwhitehorn */ 945217309Snwhitehornstatic struct fw_xfer * 946217309Snwhitehornfw_tl2xfer(struct firewire_comm *fc, int node, int tlabel) 947217309Snwhitehorn{ 948217309Snwhitehorn struct fw_xfer *xfer; 949217309Snwhitehorn struct tlabel *tl; 950217309Snwhitehorn int s = splfw(); 951217309Snwhitehorn 952217309Snwhitehorn for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL; 953217309Snwhitehorn tl = STAILQ_NEXT(tl, link)){ 954217309Snwhitehorn if(tl->xfer->send.hdr.mode.hdr.dst == node){ 955217309Snwhitehorn xfer = tl->xfer; 956217309Snwhitehorn splx(s); 957217309Snwhitehorn if (firewire_debug > 2) 958217309Snwhitehorn printf("fw_tl2xfer: found tl=%d\n", tlabel); 959217309Snwhitehorn return(xfer); 960217309Snwhitehorn } 961217309Snwhitehorn } 962217309Snwhitehorn if (firewire_debug > 1) 963217309Snwhitehorn printf("fw_tl2xfer: not found tl=%d\n", tlabel); 964217309Snwhitehorn splx(s); 965217309Snwhitehorn return(NULL); 966217309Snwhitehorn} 967217309Snwhitehorn 968217309Snwhitehorn/* 969217309Snwhitehorn * To allocate IEEE1394 XFER structure. 970217309Snwhitehorn */ 971217309Snwhitehornstruct fw_xfer * 972217309Snwhitehornfw_xfer_alloc(struct malloc_type *type) 973217309Snwhitehorn{ 974217309Snwhitehorn struct fw_xfer *xfer; 975217309Snwhitehorn 976217309Snwhitehorn xfer = malloc(sizeof(struct fw_xfer), type, M_NOWAIT | M_ZERO); 977217309Snwhitehorn if (xfer == NULL) 978217309Snwhitehorn return xfer; 979217309Snwhitehorn 980217309Snwhitehorn xfer->malloc = type; 981217309Snwhitehorn 982217309Snwhitehorn return xfer; 983217309Snwhitehorn} 984217309Snwhitehorn 985217309Snwhitehornstruct fw_xfer * 986217309Snwhitehornfw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len) 987217309Snwhitehorn{ 988217309Snwhitehorn struct fw_xfer *xfer; 989217309Snwhitehorn 990217309Snwhitehorn xfer = fw_xfer_alloc(type); 991217309Snwhitehorn if (xfer == NULL) 992217309Snwhitehorn return(NULL); 993217309Snwhitehorn xfer->send.pay_len = send_len; 994217309Snwhitehorn xfer->recv.pay_len = recv_len; 995217309Snwhitehorn if (send_len > 0) { 996217309Snwhitehorn xfer->send.payload = malloc(send_len, type, M_NOWAIT | M_ZERO); 997217309Snwhitehorn if (xfer->send.payload == NULL) { 998217309Snwhitehorn fw_xfer_free(xfer); 999217309Snwhitehorn return(NULL); 1000217309Snwhitehorn } 1001217309Snwhitehorn } 1002217309Snwhitehorn if (recv_len > 0) { 1003224014Snwhitehorn xfer->recv.payload = malloc(recv_len, type, M_NOWAIT); 1004220749Snwhitehorn if (xfer->recv.payload == NULL) { 1005220749Snwhitehorn if (xfer->send.payload != NULL) 1006220749Snwhitehorn free(xfer->send.payload, type); 1007220749Snwhitehorn fw_xfer_free(xfer); 1008220749Snwhitehorn return(NULL); 1009220749Snwhitehorn } 1010220749Snwhitehorn } 1011220749Snwhitehorn return(xfer); 1012220749Snwhitehorn} 1013220749Snwhitehorn 1014220749Snwhitehorn/* 1015220749Snwhitehorn * IEEE1394 XFER post process. 1016220749Snwhitehorn */ 1017220749Snwhitehornvoid 1018220749Snwhitehornfw_xfer_done(struct fw_xfer *xfer) 1019220749Snwhitehorn{ 1020220749Snwhitehorn if (xfer->act.hand == NULL) { 1021220749Snwhitehorn printf("act.hand == NULL\n"); 1022220749Snwhitehorn return; 1023224014Snwhitehorn } 1024220749Snwhitehorn 1025217309Snwhitehorn if (xfer->fc == NULL) 1026217309Snwhitehorn panic("fw_xfer_done: why xfer->fc is NULL?"); 1027220749Snwhitehorn 1028220749Snwhitehorn xfer->act.hand(xfer); 1029220749Snwhitehorn} 1030220749Snwhitehorn 1031220749Snwhitehornvoid 1032220749Snwhitehornfw_xfer_unload(struct fw_xfer* xfer) 1033220749Snwhitehorn{ 1034220749Snwhitehorn int s; 1035220749Snwhitehorn 1036220749Snwhitehorn if(xfer == NULL ) return; 1037220749Snwhitehorn if(xfer->state == FWXF_INQ){ 1038220749Snwhitehorn printf("fw_xfer_free FWXF_INQ\n"); 1039220749Snwhitehorn s = splfw(); 1040220749Snwhitehorn STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link); 1041220749Snwhitehorn xfer->q->queued --; 1042220749Snwhitehorn splx(s); 1043220749Snwhitehorn } 1044220749Snwhitehorn if (xfer->fc != NULL) { 1045220749Snwhitehorn#if 1 1046220749Snwhitehorn if(xfer->state == FWXF_START) 1047220749Snwhitehorn /* 1048220749Snwhitehorn * This could happen if: 1049220749Snwhitehorn * 1. We call fwohci_arcv() before fwohci_txd(). 1050220749Snwhitehorn * 2. firewire_watch() is called. 1051220749Snwhitehorn */ 1052220749Snwhitehorn printf("fw_xfer_free FWXF_START\n"); 1053220749Snwhitehorn#endif 1054217309Snwhitehorn fw_tl_free(xfer->fc, xfer); 1055217309Snwhitehorn } 1056217309Snwhitehorn xfer->state = FWXF_INIT; 1057217309Snwhitehorn xfer->resp = 0; 1058217309Snwhitehorn xfer->retry = 0; 1059217309Snwhitehorn} 1060217309Snwhitehorn/* 1061217309Snwhitehorn * To free IEEE1394 XFER structure. 1062217309Snwhitehorn */ 1063217309Snwhitehornvoid 1064217309Snwhitehornfw_xfer_free_buf( struct fw_xfer* xfer) 1065217309Snwhitehorn{ 1066217309Snwhitehorn if (xfer == NULL) { 1067217309Snwhitehorn printf("%s: xfer == NULL\n", __func__); 1068217309Snwhitehorn return; 1069217309Snwhitehorn } 1070217309Snwhitehorn fw_xfer_unload(xfer); 1071217309Snwhitehorn if(xfer->send.payload != NULL){ 1072217309Snwhitehorn free(xfer->send.payload, xfer->malloc); 1073217309Snwhitehorn } 1074217309Snwhitehorn if(xfer->recv.payload != NULL){ 1075217309Snwhitehorn free(xfer->recv.payload, xfer->malloc); 1076217309Snwhitehorn } 1077217309Snwhitehorn free(xfer, xfer->malloc); 1078217309Snwhitehorn} 1079217309Snwhitehorn 1080217309Snwhitehornvoid 1081217309Snwhitehornfw_xfer_free( struct fw_xfer* xfer) 1082217309Snwhitehorn{ 1083217309Snwhitehorn if (xfer == NULL) { 1084217309Snwhitehorn printf("%s: xfer == NULL\n", __func__); 1085217309Snwhitehorn return; 1086217309Snwhitehorn } 1087217309Snwhitehorn fw_xfer_unload(xfer); 1088217309Snwhitehorn free(xfer, xfer->malloc); 1089217309Snwhitehorn} 1090217309Snwhitehorn 1091217309Snwhitehornvoid 1092217309Snwhitehornfw_asy_callback_free(struct fw_xfer *xfer) 1093217309Snwhitehorn{ 1094217309Snwhitehorn#if 0 1095217309Snwhitehorn printf("asyreq done state=%d resp=%d\n", 1096217309Snwhitehorn xfer->state, xfer->resp); 1097217309Snwhitehorn#endif 1098217309Snwhitehorn fw_xfer_free(xfer); 1099217309Snwhitehorn} 1100217309Snwhitehorn 1101217309Snwhitehorn/* 1102217309Snwhitehorn * To configure PHY. 1103217309Snwhitehorn */ 1104217309Snwhitehornstatic void 1105217309Snwhitehornfw_phy_config(struct firewire_comm *fc, int root_node, int gap_count) 1106217309Snwhitehorn{ 1107217309Snwhitehorn struct fw_xfer *xfer; 1108217309Snwhitehorn struct fw_pkt *fp; 1109217309Snwhitehorn 1110217309Snwhitehorn fc->status = FWBUSPHYCONF; 1111220749Snwhitehorn 1112220749Snwhitehorn xfer = fw_xfer_alloc(M_FWXFER); 1113217309Snwhitehorn if (xfer == NULL) 1114217309Snwhitehorn return; 1115217309Snwhitehorn xfer->fc = fc; 1116217309Snwhitehorn xfer->retry_req = fw_asybusy; 1117217309Snwhitehorn xfer->act.hand = fw_asy_callback_free; 1118217309Snwhitehorn 1119217309Snwhitehorn fp = &xfer->send.hdr; 1120217309Snwhitehorn fp->mode.ld[1] = 0; 1121217309Snwhitehorn if (root_node >= 0) 1122217309Snwhitehorn fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23; 1123217309Snwhitehorn if (gap_count >= 0) 1124217309Snwhitehorn fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16; 1125217309Snwhitehorn fp->mode.ld[2] = ~fp->mode.ld[1]; 1126217309Snwhitehorn/* XXX Dangerous, how to pass PHY packet to device driver */ 1127217309Snwhitehorn fp->mode.common.tcode |= FWTCODE_PHY; 1128217309Snwhitehorn 1129217309Snwhitehorn if (firewire_debug) 1130251843Sbapt printf("send phy_config root_node=%d gap_count=%d\n", 1131217309Snwhitehorn root_node, gap_count); 1132217309Snwhitehorn fw_asyreq(fc, -1, xfer); 1133217309Snwhitehorn} 1134217309Snwhitehorn 1135251843Sbapt#if 0 1136217309Snwhitehorn/* 1137251843Sbapt * Dump self ID. 1138217309Snwhitehorn */ 1139217309Snwhitehornstatic void 1140217309Snwhitehornfw_print_sid(uint32_t sid) 1141217309Snwhitehorn{ 1142217309Snwhitehorn union fw_self_id *s; 1143217309Snwhitehorn s = (union fw_self_id *) &sid; 1144217309Snwhitehorn printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d" 1145217309Snwhitehorn " p0:%d p1:%d p2:%d i:%d m:%d\n", 1146217309Snwhitehorn s->p0.phy_id, s->p0.link_active, s->p0.gap_count, 1147217309Snwhitehorn s->p0.phy_speed, s->p0.phy_delay, s->p0.contender, 1148217309Snwhitehorn s->p0.power_class, s->p0.port0, s->p0.port1, 1149217309Snwhitehorn s->p0.port2, s->p0.initiated_reset, s->p0.more_packets); 1150217309Snwhitehorn} 1151217309Snwhitehorn#endif 1152217309Snwhitehorn 1153217309Snwhitehorn/* 1154217309Snwhitehorn * To receive self ID. 1155217309Snwhitehorn */ 1156217309Snwhitehornvoid fw_sidrcv(struct firewire_comm* fc, uint32_t *sid, u_int len) 1157217309Snwhitehorn{ 1158217309Snwhitehorn uint32_t *p; 1159217309Snwhitehorn union fw_self_id *self_id; 1160217309Snwhitehorn u_int i, j, node, c_port = 0, i_branch = 0; 1161217309Snwhitehorn 1162217309Snwhitehorn fc->sid_cnt = len /(sizeof(uint32_t) * 2); 1163217309Snwhitehorn fc->status = FWBUSINIT; 1164217309Snwhitehorn fc->max_node = fc->nodeid & 0x3f; 1165220749Snwhitehorn CSRARC(fc, NODE_IDS) = ((uint32_t)fc->nodeid) << 16; 1166217309Snwhitehorn fc->status = FWBUSCYMELECT; 1167217309Snwhitehorn fc->topology_map->crc_len = 2; 1168217309Snwhitehorn fc->topology_map->generation ++; 1169217309Snwhitehorn fc->topology_map->self_id_count = 0; 1170217309Snwhitehorn fc->topology_map->node_count = 0; 1171217309Snwhitehorn fc->speed_map->generation ++; 1172217309Snwhitehorn fc->speed_map->crc_len = 1 + (64*64 + 3) / 4; 1173217309Snwhitehorn self_id = &fc->topology_map->self_id[0]; 1174217309Snwhitehorn for(i = 0; i < fc->sid_cnt; i ++){ 1175217309Snwhitehorn if (sid[1] != ~sid[0]) { 1176217309Snwhitehorn printf("fw_sidrcv: invalid self-id packet\n"); 1177217309Snwhitehorn sid += 2; 1178217309Snwhitehorn continue; 1179251843Sbapt } 1180251843Sbapt *self_id = *((union fw_self_id *)sid); 1181251843Sbapt fc->topology_map->crc_len++; 1182251843Sbapt if(self_id->p0.sequel == 0){ 1183251843Sbapt fc->topology_map->node_count ++; 1184251843Sbapt c_port = 0; 1185251843Sbapt#if 0 1186251843Sbapt fw_print_sid(sid[0]); 1187251843Sbapt#endif 1188251843Sbapt node = self_id->p0.phy_id; 1189251843Sbapt if(fc->max_node < node){ 1190251843Sbapt fc->max_node = self_id->p0.phy_id; 1191251843Sbapt } 1192251843Sbapt /* XXX I'm not sure this is the right speed_map */ 1193251843Sbapt fc->speed_map->speed[node][node] 1194251843Sbapt = self_id->p0.phy_speed; 1195251843Sbapt for (j = 0; j < node; j ++) { 1196251843Sbapt fc->speed_map->speed[j][node] 1197251843Sbapt = fc->speed_map->speed[node][j] 1198251843Sbapt = min(fc->speed_map->speed[j][j], 1199251843Sbapt self_id->p0.phy_speed); 1200251843Sbapt } 1201251843Sbapt if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) && 1202251843Sbapt (self_id->p0.link_active && self_id->p0.contender)) { 1203251843Sbapt fc->irm = self_id->p0.phy_id; 1204251843Sbapt } 1205251843Sbapt if(self_id->p0.port0 >= 0x2){ 1206251843Sbapt c_port++; 1207251843Sbapt } 1208251843Sbapt if(self_id->p0.port1 >= 0x2){ 1209251843Sbapt c_port++; 1210251843Sbapt } 1211251843Sbapt if(self_id->p0.port2 >= 0x2){ 1212251843Sbapt c_port++; 1213251843Sbapt } 1214251843Sbapt } 1215251843Sbapt if(c_port > 2){ 1216217309Snwhitehorn i_branch += (c_port - 2); 1217217309Snwhitehorn } 1218217309Snwhitehorn sid += 2; 1219217309Snwhitehorn self_id++; 1220217309Snwhitehorn fc->topology_map->self_id_count ++; 1221217309Snwhitehorn } 1222217309Snwhitehorn device_printf(fc->bdev, "%d nodes", fc->max_node + 1); 1223217309Snwhitehorn /* CRC */ 1224217309Snwhitehorn fc->topology_map->crc = fw_crc16( 1225217309Snwhitehorn (uint32_t *)&fc->topology_map->generation, 1226217309Snwhitehorn fc->topology_map->crc_len * 4); 1227217309Snwhitehorn fc->speed_map->crc = fw_crc16( 1228217309Snwhitehorn (uint32_t *)&fc->speed_map->generation, 1229217309Snwhitehorn fc->speed_map->crc_len * 4); 1230217309Snwhitehorn /* byteswap and copy to CSR */ 1231217309Snwhitehorn p = (uint32_t *)fc->topology_map; 1232217309Snwhitehorn for (i = 0; i <= fc->topology_map->crc_len; i++) 1233217309Snwhitehorn CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++); 1234217309Snwhitehorn p = (uint32_t *)fc->speed_map; 1235217309Snwhitehorn CSRARC(fc, SPED_MAP) = htonl(*p++); 1236217309Snwhitehorn CSRARC(fc, SPED_MAP + 4) = htonl(*p++); 1237217309Snwhitehorn /* don't byte-swap uint8_t array */ 1238217309Snwhitehorn bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4); 1239217309Snwhitehorn 1240217309Snwhitehorn fc->max_hop = fc->max_node - i_branch; 1241217309Snwhitehorn printf(", maxhop <= %d", fc->max_hop); 1242217309Snwhitehorn 1243217309Snwhitehorn if(fc->irm == -1 ){ 1244217309Snwhitehorn printf(", Not found IRM capable node"); 1245217309Snwhitehorn }else{ 1246217309Snwhitehorn printf(", cable IRM = %d", fc->irm); 1247217309Snwhitehorn if (fc->irm == fc->nodeid) 1248217309Snwhitehorn printf(" (me)"); 1249217309Snwhitehorn } 1250217309Snwhitehorn printf("\n"); 1251217309Snwhitehorn 1252217309Snwhitehorn if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) { 1253217309Snwhitehorn if (fc->irm == fc->nodeid) { 1254217309Snwhitehorn fc->status = FWBUSMGRDONE; 1255217309Snwhitehorn CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm); 1256217309Snwhitehorn fw_bmr(fc); 1257217309Snwhitehorn } else { 1258217309Snwhitehorn fc->status = FWBUSMGRELECT; 1259217309Snwhitehorn callout_reset(&fc->bmr_callout, hz/8, 1260217309Snwhitehorn (void *)fw_try_bmr, (void *)fc); 1261217309Snwhitehorn } 1262224014Snwhitehorn } else 1263224014Snwhitehorn fc->status = FWBUSMGRDONE; 1264224014Snwhitehorn 1265224014Snwhitehorn callout_reset(&fc->busprobe_callout, hz/4, 1266224014Snwhitehorn (void *)fw_bus_probe, (void *)fc); 1267224014Snwhitehorn} 1268224014Snwhitehorn 1269224014Snwhitehorn/* 1270224014Snwhitehorn * To probe devices on the IEEE1394 bus. 1271217309Snwhitehorn */ 1272217309Snwhitehornstatic void 1273217309Snwhitehornfw_bus_probe(struct firewire_comm *fc) 1274217309Snwhitehorn{ 1275217309Snwhitehorn int s; 1276217309Snwhitehorn struct fw_device *fwdev; 1277217309Snwhitehorn 1278217309Snwhitehorn s = splfw(); 1279251843Sbapt fc->status = FWBUSEXPLORE; 1280217309Snwhitehorn fc->retry_count = 0; 1281217309Snwhitehorn 1282217309Snwhitehorn /* Invalidate all devices, just after bus reset. */ 1283217309Snwhitehorn STAILQ_FOREACH(fwdev, &fc->devices, link) 1284217309Snwhitehorn if (fwdev->status != FWDEVINVAL) { 1285217309Snwhitehorn fwdev->status = FWDEVINVAL; 1286217309Snwhitehorn fwdev->rcnt = 0; 1287217309Snwhitehorn } 1288217309Snwhitehorn 1289217309Snwhitehorn fc->ongonode = 0; 1290217309Snwhitehorn fc->ongoaddr = CSRROMOFF; 1291217309Snwhitehorn fc->ongodev = NULL; 1292217309Snwhitehorn fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1293217309Snwhitehorn fw_bus_explore(fc); 1294217309Snwhitehorn splx(s); 1295217309Snwhitehorn} 1296217309Snwhitehorn 1297217309Snwhitehorn/* 1298217309Snwhitehorn * Find the self_id packet for a node, ignoring sequels. 1299217309Snwhitehorn */ 1300220749Snwhitehornstatic union fw_self_id * 1301220749Snwhitehornfw_find_self_id(struct firewire_comm *fc, int node) 1302217309Snwhitehorn{ 1303217309Snwhitehorn uint32_t i; 1304224014Snwhitehorn union fw_self_id *s; 1305224014Snwhitehorn 1306224014Snwhitehorn for (i = 0; i < fc->topology_map->self_id_count; i++) { 1307217309Snwhitehorn s = &fc->topology_map->self_id[i]; 1308217309Snwhitehorn if (s->p0.sequel) 1309217309Snwhitehorn continue; 1310217309Snwhitehorn if (s->p0.phy_id == node) 1311217309Snwhitehorn return s; 1312217309Snwhitehorn } 1313217309Snwhitehorn return 0; 1314217309Snwhitehorn} 1315217309Snwhitehorn 1316217309Snwhitehorn/* 1317217309Snwhitehorn * To collect device informations on the IEEE1394 bus. 1318217309Snwhitehorn */ 1319220749Snwhitehornstatic void 1320217309Snwhitehornfw_bus_explore(struct firewire_comm *fc ) 1321217309Snwhitehorn{ 1322217309Snwhitehorn int err = 0; 1323217309Snwhitehorn struct fw_device *fwdev, *pfwdev, *tfwdev; 1324217309Snwhitehorn uint32_t addr; 1325217309Snwhitehorn struct fw_xfer *xfer; 1326217309Snwhitehorn struct fw_pkt *fp; 1327217309Snwhitehorn union fw_self_id *fwsid; 1328217309Snwhitehorn 1329217309Snwhitehorn if(fc->status != FWBUSEXPLORE) 1330217309Snwhitehorn return; 1331217309Snwhitehorn 1332217309Snwhitehornloop: 1333217309Snwhitehorn if(fc->ongonode == fc->nodeid) fc->ongonode++; 1334217309Snwhitehorn 1335217309Snwhitehorn if(fc->ongonode > fc->max_node) goto done; 1336217309Snwhitehorn if(fc->ongonode >= 0x3f) goto done; 1337217309Snwhitehorn 1338217309Snwhitehorn /* check link */ 1339217309Snwhitehorn /* XXX we need to check phy_id first */ 1340217309Snwhitehorn fwsid = fw_find_self_id(fc, fc->ongonode); 1341217309Snwhitehorn if (!fwsid || !fwsid->p0.link_active) { 1342217309Snwhitehorn if (firewire_debug) 1343251843Sbapt printf("node%d: link down\n", fc->ongonode); 1344217309Snwhitehorn fc->ongonode++; 1345251843Sbapt goto loop; 1346251843Sbapt } 1347251843Sbapt 1348251843Sbapt if(fc->ongoaddr <= CSRROMOFF && 1349251843Sbapt fc->ongoeui.hi == 0xffffffff && 1350251843Sbapt fc->ongoeui.lo == 0xffffffff ){ 1351251843Sbapt fc->ongoaddr = CSRROMOFF; 1352251843Sbapt addr = 0xf0000000 | fc->ongoaddr; 1353251843Sbapt }else if(fc->ongoeui.hi == 0xffffffff ){ 1354251843Sbapt fc->ongoaddr = CSRROMOFF + 0xc; 1355251843Sbapt addr = 0xf0000000 | fc->ongoaddr; 1356251843Sbapt }else if(fc->ongoeui.lo == 0xffffffff ){ 1357251843Sbapt fc->ongoaddr = CSRROMOFF + 0x10; 1358251843Sbapt addr = 0xf0000000 | fc->ongoaddr; 1359251843Sbapt }else if(fc->ongodev == NULL){ 1360251843Sbapt STAILQ_FOREACH(fwdev, &fc->devices, link) 1361251843Sbapt if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui)) 1362251843Sbapt break; 1363251843Sbapt if(fwdev != NULL){ 1364251843Sbapt fwdev->dst = fc->ongonode; 1365251843Sbapt fwdev->status = FWDEVINIT; 1366251843Sbapt fc->ongodev = fwdev; 1367251843Sbapt fc->ongoaddr = CSRROMOFF; 1368251843Sbapt addr = 0xf0000000 | fc->ongoaddr; 1369251843Sbapt goto dorequest; 1370217309Snwhitehorn } 1371217309Snwhitehorn fwdev = malloc(sizeof(struct fw_device), M_FW, 1372217309Snwhitehorn M_NOWAIT | M_ZERO); 1373217309Snwhitehorn if(fwdev == NULL) 1374217309Snwhitehorn return; 1375217309Snwhitehorn fwdev->fc = fc; 1376217309Snwhitehorn fwdev->rommax = 0; 1377217309Snwhitehorn fwdev->dst = fc->ongonode; 1378217309Snwhitehorn fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo; 1379251843Sbapt fwdev->status = FWDEVINIT; 1380251843Sbapt fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode]; 1381217309Snwhitehorn 1382251843Sbapt pfwdev = NULL; 1383217309Snwhitehorn STAILQ_FOREACH(tfwdev, &fc->devices, link) { 1384217309Snwhitehorn if (tfwdev->eui.hi > fwdev->eui.hi || 1385217309Snwhitehorn (tfwdev->eui.hi == fwdev->eui.hi && 1386217309Snwhitehorn tfwdev->eui.lo > fwdev->eui.lo)) 1387217309Snwhitehorn break; 1388217309Snwhitehorn pfwdev = tfwdev; 1389217309Snwhitehorn } 1390217309Snwhitehorn if (pfwdev == NULL) 1391217309Snwhitehorn STAILQ_INSERT_HEAD(&fc->devices, fwdev, link); 1392217309Snwhitehorn else 1393217309Snwhitehorn STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link); 1394217309Snwhitehorn 1395217309Snwhitehorn device_printf(fc->bdev, "New %s device ID:%08x%08x\n", 1396217309Snwhitehorn linkspeed[fwdev->speed], 1397217309Snwhitehorn fc->ongoeui.hi, fc->ongoeui.lo); 1398217309Snwhitehorn 1399217309Snwhitehorn fc->ongodev = fwdev; 1400217309Snwhitehorn fc->ongoaddr = CSRROMOFF; 1401217309Snwhitehorn addr = 0xf0000000 | fc->ongoaddr; 1402224014Snwhitehorn }else{ 1403224014Snwhitehorn addr = 0xf0000000 | fc->ongoaddr; 1404224014Snwhitehorn } 1405217309Snwhitehorndorequest: 1406217309Snwhitehorn#if 0 1407217309Snwhitehorn xfer = asyreqq(fc, FWSPD_S100, 0, 0, 1408217309Snwhitehorn ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr, 1409217309Snwhitehorn fw_bus_explore_callback); 1410217309Snwhitehorn if(xfer == NULL) goto done; 1411217309Snwhitehorn#else 1412217309Snwhitehorn xfer = fw_xfer_alloc(M_FWXFER); 1413217309Snwhitehorn if(xfer == NULL){ 1414217309Snwhitehorn goto done; 1415217309Snwhitehorn } 1416217309Snwhitehorn xfer->send.spd = 0; 1417217309Snwhitehorn fp = &xfer->send.hdr; 1418217309Snwhitehorn fp->mode.rreqq.dest_hi = 0xffff; 1419217309Snwhitehorn fp->mode.rreqq.tlrt = 0; 1420217309Snwhitehorn fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1421217309Snwhitehorn fp->mode.rreqq.pri = 0; 1422217309Snwhitehorn fp->mode.rreqq.src = 0; 1423217309Snwhitehorn fp->mode.rreqq.dst = FWLOCALBUS | fc->ongonode; 1424217309Snwhitehorn fp->mode.rreqq.dest_lo = addr; 1425217309Snwhitehorn xfer->act.hand = fw_bus_explore_callback; 1426217309Snwhitehorn 1427217309Snwhitehorn if (firewire_debug) 1428217309Snwhitehorn printf("node%d: explore addr=0x%x\n", 1429217309Snwhitehorn fc->ongonode, fc->ongoaddr); 1430217309Snwhitehorn err = fw_asyreq(fc, -1, xfer); 1431217309Snwhitehorn if(err){ 1432217309Snwhitehorn fw_xfer_free( xfer); 1433217309Snwhitehorn return; 1434217309Snwhitehorn } 1435217309Snwhitehorn#endif 1436217309Snwhitehorn return; 1437217309Snwhitehorndone: 1438217309Snwhitehorn /* fw_attach_devs */ 1439217309Snwhitehorn fc->status = FWBUSEXPDONE; 1440251843Sbapt if (firewire_debug) 1441217309Snwhitehorn printf("bus_explore done\n"); 1442251843Sbapt fw_attach_dev(fc); 1443251843Sbapt return; 1444251843Sbapt 1445251843Sbapt} 1446217309Snwhitehorn 1447217309Snwhitehorn/* Portable Async. request read quad */ 1448217309Snwhitehornstruct fw_xfer * 1449217309Snwhitehornasyreqq(struct firewire_comm *fc, uint8_t spd, uint8_t tl, uint8_t rt, 1450217309Snwhitehorn uint32_t addr_hi, uint32_t addr_lo, 1451217309Snwhitehorn void (*hand) (struct fw_xfer*)) 1452217309Snwhitehorn{ 1453217309Snwhitehorn struct fw_xfer *xfer; 1454217309Snwhitehorn struct fw_pkt *fp; 1455224014Snwhitehorn int err; 1456224014Snwhitehorn 1457224014Snwhitehorn xfer = fw_xfer_alloc(M_FWXFER); 1458224014Snwhitehorn if (xfer == NULL) 1459224014Snwhitehorn return NULL; 1460224014Snwhitehorn 1461217309Snwhitehorn xfer->send.spd = spd; /* XXX:min(spd, fc->spd) */ 1462217309Snwhitehorn fp = &xfer->send.hdr; 1463217309Snwhitehorn fp->mode.rreqq.dest_hi = addr_hi & 0xffff; 1464217309Snwhitehorn if(tl & FWP_TL_VALID){ 1465217309Snwhitehorn fp->mode.rreqq.tlrt = (tl & 0x3f) << 2; 1466217309Snwhitehorn }else{ 1467255852Sdteske fp->mode.rreqq.tlrt = 0; 1468255852Sdteske } 1469255852Sdteske fp->mode.rreqq.tlrt |= rt & 0x3; 1470217309Snwhitehorn fp->mode.rreqq.tcode = FWTCODE_RREQQ; 1471217309Snwhitehorn fp->mode.rreqq.pri = 0; 1472217309Snwhitehorn fp->mode.rreqq.src = 0; 1473217309Snwhitehorn fp->mode.rreqq.dst = addr_hi >> 16; 1474217309Snwhitehorn fp->mode.rreqq.dest_lo = addr_lo; 1475217309Snwhitehorn xfer->act.hand = hand; 1476217309Snwhitehorn 1477217309Snwhitehorn err = fw_asyreq(fc, -1, xfer); 1478217309Snwhitehorn if(err){ 1479251843Sbapt fw_xfer_free( xfer); 1480251843Sbapt return NULL; 1481251843Sbapt } 1482217309Snwhitehorn return xfer; 1483217309Snwhitehorn} 1484217309Snwhitehorn 1485217309Snwhitehorn/* 1486217309Snwhitehorn * Callback for the IEEE1394 bus information collection. 1487217309Snwhitehorn */ 1488217309Snwhitehornstatic void 1489217309Snwhitehornfw_bus_explore_callback(struct fw_xfer *xfer) 1490217309Snwhitehorn{ 1491217309Snwhitehorn struct firewire_comm *fc; 1492217309Snwhitehorn struct fw_pkt *sfp,*rfp; 1493217309Snwhitehorn struct csrhdr *chdr; 1494217309Snwhitehorn struct csrdir *csrd; 1495217309Snwhitehorn struct csrreg *csrreg; 1496217309Snwhitehorn uint32_t offset; 1497217309Snwhitehorn 1498217309Snwhitehorn 1499217309Snwhitehorn if(xfer == NULL) { 1500217309Snwhitehorn printf("xfer == NULL\n"); 1501217309Snwhitehorn return; 1502217309Snwhitehorn } 1503217309Snwhitehorn fc = xfer->fc; 1504217309Snwhitehorn 1505224014Snwhitehorn if (firewire_debug) 1506217309Snwhitehorn printf("node%d: callback addr=0x%x\n", 1507217309Snwhitehorn fc->ongonode, fc->ongoaddr); 1508217309Snwhitehorn 1509217309Snwhitehorn if(xfer->resp != 0){ 1510217309Snwhitehorn device_printf(fc->bdev, 1511217309Snwhitehorn "bus_explore node=%d addr=0x%x resp=%d retry=%d\n", 1512217309Snwhitehorn fc->ongonode, fc->ongoaddr, xfer->resp, xfer->retry); 1513217309Snwhitehorn if (xfer->retry < fc->max_asyretry) { 1514217309Snwhitehorn fw_asystart(xfer); 1515217309Snwhitehorn return; 1516217309Snwhitehorn } 1517217309Snwhitehorn goto errnode; 1518217309Snwhitehorn } 1519217309Snwhitehorn 1520217309Snwhitehorn sfp = &xfer->send.hdr; 1521217309Snwhitehorn rfp = &xfer->recv.hdr; 1522217309Snwhitehorn#if 0 1523217309Snwhitehorn { 1524217309Snwhitehorn uint32_t *qld; 1525217309Snwhitehorn int i; 1526217309Snwhitehorn qld = (uint32_t *)xfer->recv.buf; 1527217309Snwhitehorn printf("len:%d\n", xfer->recv.len); 1528217309Snwhitehorn for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){ 1529217309Snwhitehorn printf("0x%08x ", rfp->mode.ld[i/4]); 1530217309Snwhitehorn if((i % 16) == 15) printf("\n"); 1531217309Snwhitehorn } 1532217309Snwhitehorn if((i % 16) != 15) printf("\n"); 1533217309Snwhitehorn } 1534217309Snwhitehorn#endif 1535251843Sbapt if(fc->ongodev == NULL){ 1536217309Snwhitehorn if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){ 1537217309Snwhitehorn rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data); 1538217309Snwhitehorn chdr = (struct csrhdr *)(&rfp->mode.rresq.data); 1539217309Snwhitehorn/* If CSR is minimal confinguration, more investigation is not needed. */ 1540217309Snwhitehorn if(chdr->info_len == 1){ 1541217309Snwhitehorn if (firewire_debug) 1542217309Snwhitehorn printf("node%d: minimal config\n", 1543217309Snwhitehorn fc->ongonode); 1544217309Snwhitehorn goto nextnode; 1545217309Snwhitehorn }else{ 1546217309Snwhitehorn fc->ongoaddr = CSRROMOFF + 0xc; 1547217309Snwhitehorn } 1548217309Snwhitehorn }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){ 1549217309Snwhitehorn fc->ongoeui.hi = ntohl(rfp->mode.rresq.data); 1550217309Snwhitehorn fc->ongoaddr = CSRROMOFF + 0x10; 1551217309Snwhitehorn }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){ 1552217309Snwhitehorn fc->ongoeui.lo = ntohl(rfp->mode.rresq.data); 1553217309Snwhitehorn if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) { 1554217309Snwhitehorn if (firewire_debug) 1555217309Snwhitehorn printf("node%d: eui64 is zero.\n", 1556217309Snwhitehorn fc->ongonode); 1557217309Snwhitehorn goto nextnode; 1558217309Snwhitehorn } 1559217309Snwhitehorn fc->ongoaddr = CSRROMOFF; 1560217309Snwhitehorn } 1561217309Snwhitehorn }else{ 1562217309Snwhitehorn if (fc->ongoaddr == CSRROMOFF && 1563217309Snwhitehorn fc->ongodev->csrrom[0] == ntohl(rfp->mode.rresq.data)) { 1564217309Snwhitehorn fc->ongodev->status = FWDEVATTACHED; 1565217309Snwhitehorn goto nextnode; 1566217309Snwhitehorn } 1567217309Snwhitehorn fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data); 1568217309Snwhitehorn if(fc->ongoaddr > fc->ongodev->rommax){ 1569217309Snwhitehorn fc->ongodev->rommax = fc->ongoaddr; 1570217309Snwhitehorn } 1571217309Snwhitehorn csrd = SLIST_FIRST(&fc->ongocsr); 1572217309Snwhitehorn if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1573217309Snwhitehorn chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1574217309Snwhitehorn offset = CSRROMOFF; 1575217309Snwhitehorn }else{ 1576217309Snwhitehorn chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]; 1577217309Snwhitehorn offset = csrd->off; 1578217309Snwhitehorn } 1579217309Snwhitehorn if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){ 1580217309Snwhitehorn csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4]; 1581217309Snwhitehorn if( csrreg->key == 0x81 || csrreg->key == 0xd1){ 1582217309Snwhitehorn csrd = SLIST_FIRST(&fc->csrfree); 1583217309Snwhitehorn if(csrd == NULL){ 1584217309Snwhitehorn goto nextnode; 1585217309Snwhitehorn }else{ 1586220749Snwhitehorn csrd->ongoaddr = fc->ongoaddr; 1587220749Snwhitehorn fc->ongoaddr += csrreg->val * 4; 1588224014Snwhitehorn csrd->off = fc->ongoaddr; 1589220749Snwhitehorn SLIST_REMOVE_HEAD(&fc->csrfree, link); 1590251843Sbapt SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1591251843Sbapt goto nextaddr; 1592251843Sbapt } 1593251843Sbapt } 1594251843Sbapt } 1595251843Sbapt fc->ongoaddr += 4; 1596217309Snwhitehorn if(((fc->ongoaddr - offset)/4 > chdr->crc_len) && 1597217309Snwhitehorn (fc->ongodev->rommax < 0x414)){ 1598217309Snwhitehorn if(fc->ongodev->rommax <= 0x414){ 1599251843Sbapt csrd = SLIST_FIRST(&fc->csrfree); 1600217309Snwhitehorn if(csrd == NULL) goto nextnode; 1601217309Snwhitehorn csrd->off = fc->ongoaddr; 1602217309Snwhitehorn csrd->ongoaddr = fc->ongoaddr; 1603217309Snwhitehorn SLIST_REMOVE_HEAD(&fc->csrfree, link); 1604217309Snwhitehorn SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link); 1605217309Snwhitehorn } 1606217309Snwhitehorn goto nextaddr; 1607217309Snwhitehorn } 1608217309Snwhitehorn 1609217309Snwhitehorn while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){ 1610217309Snwhitehorn if(csrd == NULL){ 1611217309Snwhitehorn goto nextnode; 1612217309Snwhitehorn }; 1613217309Snwhitehorn fc->ongoaddr = csrd->ongoaddr + 4; 1614217309Snwhitehorn SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1615217309Snwhitehorn SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1616217309Snwhitehorn csrd = SLIST_FIRST(&fc->ongocsr); 1617217309Snwhitehorn if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){ 1618217309Snwhitehorn chdr = (struct csrhdr *)(fc->ongodev->csrrom); 1619217309Snwhitehorn offset = CSRROMOFF; 1620217309Snwhitehorn }else{ 1621217309Snwhitehorn chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]); 1622217309Snwhitehorn offset = csrd->off; 1623217309Snwhitehorn } 1624251843Sbapt } 1625217309Snwhitehorn if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){ 1626217309Snwhitehorn goto nextnode; 1627251843Sbapt } 1628251843Sbapt } 1629251843Sbaptnextaddr: 1630251843Sbapt fw_xfer_free( xfer); 1631251843Sbapt fw_bus_explore(fc); 1632251843Sbapt return; 1633251843Sbapterrnode: 1634251843Sbapt fc->retry_count++; 1635217309Snwhitehorn if (fc->ongodev != NULL) { 1636217309Snwhitehorn fc->ongodev->status = FWDEVINVAL; 1637217309Snwhitehorn /* Invalidate ROM */ 1638217309Snwhitehorn fc->ongodev->csrrom[0] = 0; 1639217309Snwhitehorn } 1640217309Snwhitehornnextnode: 1641217309Snwhitehorn fw_xfer_free( xfer); 1642217309Snwhitehorn fc->ongonode++; 1643217309Snwhitehorn/* housekeeping work space */ 1644217309Snwhitehorn fc->ongoaddr = CSRROMOFF; 1645217309Snwhitehorn fc->ongodev = NULL; 1646217309Snwhitehorn fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff; 1647217309Snwhitehorn while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){ 1648217309Snwhitehorn SLIST_REMOVE_HEAD(&fc->ongocsr, link); 1649217309Snwhitehorn SLIST_INSERT_HEAD(&fc->csrfree, csrd, link); 1650217309Snwhitehorn } 1651217309Snwhitehorn fw_bus_explore(fc); 1652217309Snwhitehorn return; 1653251843Sbapt} 1654251843Sbapt 1655217309Snwhitehorn/* 1656217309Snwhitehorn * To attach sub-devices layer onto IEEE1394 bus. 1657217309Snwhitehorn */ 1658217309Snwhitehornstatic void 1659217309Snwhitehornfw_attach_dev(struct firewire_comm *fc) 1660217309Snwhitehorn{ 1661251843Sbapt struct fw_device *fwdev, *next; 1662251843Sbapt int i, err; 1663217309Snwhitehorn device_t *devlistp; 1664217309Snwhitehorn int devcnt; 1665217309Snwhitehorn struct firewire_dev_comm *fdc; 1666217309Snwhitehorn 1667217309Snwhitehorn for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) { 1668217309Snwhitehorn next = STAILQ_NEXT(fwdev, link); 1669217309Snwhitehorn if (fwdev->status == FWDEVINIT) { 1670217309Snwhitehorn fwdev->status = FWDEVATTACHED; 1671217309Snwhitehorn } else if (fwdev->status == FWDEVINVAL) { 1672220749Snwhitehorn fwdev->rcnt ++; 1673220749Snwhitehorn if (fwdev->rcnt > hold_count) { 1674217309Snwhitehorn /* 1675251843Sbapt * Remove devices which have not been seen 1676217309Snwhitehorn * for a while. 1677251843Sbapt */ 1678251843Sbapt STAILQ_REMOVE(&fc->devices, fwdev, fw_device, 1679251843Sbapt link); 1680251843Sbapt free(fwdev, M_FW); 1681251843Sbapt } 1682217309Snwhitehorn } 1683217309Snwhitehorn } 1684217309Snwhitehorn 1685217309Snwhitehorn err = device_get_children(fc->bdev, &devlistp, &devcnt); 1686217309Snwhitehorn if( err != 0 ) 1687251843Sbapt return; 1688251843Sbapt for( i = 0 ; i < devcnt ; i++){ 1689217309Snwhitehorn if (device_get_state(devlistp[i]) >= DS_ATTACHED) { 1690217309Snwhitehorn fdc = device_get_softc(devlistp[i]); 1691217309Snwhitehorn if (fdc->post_explore != NULL) 1692217309Snwhitehorn fdc->post_explore(fdc); 1693217309Snwhitehorn } 1694217309Snwhitehorn } 1695217309Snwhitehorn free(devlistp, M_TEMP); 1696217309Snwhitehorn 1697217309Snwhitehorn if (fc->retry_count > 0) { 1698217309Snwhitehorn device_printf(fc->bdev, "bus_explore failed for %d nodes\n", 1699217309Snwhitehorn fc->retry_count); 1700217309Snwhitehorn#if 0 1701217309Snwhitehorn callout_reset(&fc->retry_probe_callout, hz*2, 1702217309Snwhitehorn (void *)fc->ibr, (void *)fc); 1703217309Snwhitehorn#endif 1704217309Snwhitehorn } 1705217309Snwhitehorn return; 1706217309Snwhitehorn} 1707217309Snwhitehorn 1708217309Snwhitehorn/* 1709217309Snwhitehorn * To allocate unique transaction label. 1710217309Snwhitehorn */ 1711217309Snwhitehornstatic int 1712217309Snwhitehornfw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer) 1713217309Snwhitehorn{ 1714220749Snwhitehorn u_int i; 1715220749Snwhitehorn struct tlabel *tl, *tmptl; 1716217309Snwhitehorn int s; 1717217309Snwhitehorn static uint32_t label = 0; 1718217309Snwhitehorn 1719217309Snwhitehorn s = splfw(); 1720217309Snwhitehorn for( i = 0 ; i < 0x40 ; i ++){ 1721217309Snwhitehorn label = (label + 1) & 0x3f; 1722217309Snwhitehorn for(tmptl = STAILQ_FIRST(&fc->tlabels[label]); 1723217309Snwhitehorn tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){ 1724217309Snwhitehorn if (tmptl->xfer->send.hdr.mode.hdr.dst == 1725217309Snwhitehorn xfer->send.hdr.mode.hdr.dst) 1726217309Snwhitehorn break; 1727217309Snwhitehorn } 1728217309Snwhitehorn if(tmptl == NULL) { 1729217309Snwhitehorn tl = malloc(sizeof(struct tlabel),M_FW,M_NOWAIT); 1730224014Snwhitehorn if (tl == NULL) { 1731224014Snwhitehorn splx(s); 1732224014Snwhitehorn return (-1); 1733217309Snwhitehorn } 1734217309Snwhitehorn tl->xfer = xfer; 1735217309Snwhitehorn STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link); 1736217309Snwhitehorn splx(s); 1737217309Snwhitehorn if (firewire_debug > 1) 1738217309Snwhitehorn printf("fw_get_tlabel: dst=%d tl=%d\n", 1739217309Snwhitehorn xfer->send.hdr.mode.hdr.dst, label); 1740217309Snwhitehorn return(label); 1741217309Snwhitehorn } 1742217309Snwhitehorn } 1743217309Snwhitehorn splx(s); 1744217309Snwhitehorn 1745217309Snwhitehorn if (firewire_debug > 1) 1746217309Snwhitehorn printf("fw_get_tlabel: no free tlabel\n"); 1747217309Snwhitehorn return(-1); 1748217309Snwhitehorn} 1749217309Snwhitehorn 1750217309Snwhitehornstatic void 1751217309Snwhitehornfw_rcv_copy(struct fw_rcv_buf *rb) 1752217309Snwhitehorn{ 1753217309Snwhitehorn struct fw_pkt *pkt; 1754217309Snwhitehorn u_char *p; 1755217309Snwhitehorn struct tcode_info *tinfo; 1756224014Snwhitehorn u_int res, i, len, plen; 1757224014Snwhitehorn 1758224014Snwhitehorn rb->xfer->recv.spd -= rb->spd; 1759224014Snwhitehorn 1760224014Snwhitehorn pkt = (struct fw_pkt *)rb->vec->iov_base; 1761224014Snwhitehorn tinfo = &rb->fc->tcode[pkt->mode.hdr.tcode]; 1762224014Snwhitehorn 1763224014Snwhitehorn /* Copy header */ 1764251843Sbapt p = (u_char *)&rb->xfer->recv.hdr; 1765251843Sbapt bcopy(rb->vec->iov_base, p, tinfo->hdr_len); 1766251843Sbapt rb->vec->iov_base = (u_char *)rb->vec->iov_base + tinfo->hdr_len; 1767251843Sbapt rb->vec->iov_len -= tinfo->hdr_len; 1768251843Sbapt 1769251843Sbapt /* Copy payload */ 1770251843Sbapt p = (u_char *)rb->xfer->recv.payload; 1771251843Sbapt res = rb->xfer->recv.pay_len; 1772251843Sbapt 1773251843Sbapt /* special handling for RRESQ */ 1774251843Sbapt if (pkt->mode.hdr.tcode == FWTCODE_RRESQ && 1775251843Sbapt p != NULL && res >= sizeof(uint32_t)) { 1776251843Sbapt *(uint32_t *)p = pkt->mode.rresq.data; 1777251843Sbapt rb->xfer->recv.pay_len = sizeof(uint32_t); 1778251843Sbapt return; 1779217309Snwhitehorn } 1780217309Snwhitehorn 1781217309Snwhitehorn if ((tinfo->flag & FWTI_BLOCK_ASY) == 0) 1782217309Snwhitehorn return; 1783251843Sbapt 1784251843Sbapt plen = pkt->mode.rresb.len; 1785251843Sbapt 1786217309Snwhitehorn for (i = 0; i < rb->nvec; i++, rb->vec++) { 1787217309Snwhitehorn len = MIN(rb->vec->iov_len, plen); 1788217309Snwhitehorn if (res < len) { 1789217309Snwhitehorn printf("rcv buffer(%d) is %d bytes short.\n", 1790217309Snwhitehorn rb->xfer->recv.pay_len, len - res); 1791217309Snwhitehorn len = res; 1792217309Snwhitehorn } 1793217309Snwhitehorn bcopy(rb->vec->iov_base, p, len); 1794217309Snwhitehorn p += len; 1795217309Snwhitehorn res -= len; 1796217309Snwhitehorn plen -= len; 1797224014Snwhitehorn if (res == 0 || plen == 0) 1798224014Snwhitehorn break; 1799224014Snwhitehorn } 1800224014Snwhitehorn rb->xfer->recv.pay_len -= res; 1801224014Snwhitehorn 1802217309Snwhitehorn} 1803217309Snwhitehorn 1804217309Snwhitehorn/* 1805217309Snwhitehorn * Generic packet receiving process. 1806217309Snwhitehorn */ 1807217309Snwhitehornvoid 1808217309Snwhitehornfw_rcv(struct fw_rcv_buf *rb) 1809217309Snwhitehorn{ 1810224014Snwhitehorn struct fw_pkt *fp, *resfp; 1811217309Snwhitehorn struct fw_bind *bind; 1812217309Snwhitehorn int tcode, s; 1813217309Snwhitehorn int i, len, oldstate; 1814217309Snwhitehorn#if 0 1815217309Snwhitehorn { 1816217309Snwhitehorn uint32_t *qld; 1817217309Snwhitehorn int i; 1818217309Snwhitehorn qld = (uint32_t *)buf; 1819217309Snwhitehorn printf("spd %d len:%d\n", spd, len); 1820217309Snwhitehorn for( i = 0 ; i <= len && i < 32; i+= 4){ 1821217309Snwhitehorn printf("0x%08x ", ntohl(qld[i/4])); 1822217309Snwhitehorn if((i % 16) == 15) printf("\n"); 1823217309Snwhitehorn } 1824217309Snwhitehorn if((i % 16) != 15) printf("\n"); 1825217309Snwhitehorn } 1826217309Snwhitehorn#endif 1827217309Snwhitehorn fp = (struct fw_pkt *)rb->vec[0].iov_base; 1828217309Snwhitehorn tcode = fp->mode.common.tcode; 1829217309Snwhitehorn switch (tcode) { 1830217309Snwhitehorn case FWTCODE_WRES: 1831217309Snwhitehorn case FWTCODE_RRESQ: 1832217309Snwhitehorn case FWTCODE_RRESB: 1833217309Snwhitehorn case FWTCODE_LRES: 1834217309Snwhitehorn rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1835217309Snwhitehorn fp->mode.hdr.tlrt >> 2); 1836217309Snwhitehorn if(rb->xfer == NULL) { 1837217309Snwhitehorn printf("fw_rcv: unknown response " 1838217309Snwhitehorn "%s(%x) src=0x%x tl=0x%x rt=%d data=0x%x\n", 1839217309Snwhitehorn tcode_str[tcode], tcode, 1840217309Snwhitehorn fp->mode.hdr.src, 1841217309Snwhitehorn fp->mode.hdr.tlrt >> 2, 1842217309Snwhitehorn fp->mode.hdr.tlrt & 3, 1843217309Snwhitehorn fp->mode.rresq.data); 1844217309Snwhitehorn#if 1 1845217309Snwhitehorn printf("try ad-hoc work around!!\n"); 1846217309Snwhitehorn rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src, 1847217309Snwhitehorn (fp->mode.hdr.tlrt >> 2)^3); 1848217309Snwhitehorn if (rb->xfer == NULL) { 1849217309Snwhitehorn printf("no use...\n"); 1850217309Snwhitehorn goto err; 1851217309Snwhitehorn } 1852217309Snwhitehorn#else 1853217309Snwhitehorn goto err; 1854217309Snwhitehorn#endif 1855217309Snwhitehorn } 1856217309Snwhitehorn fw_rcv_copy(rb); 1857217309Snwhitehorn if (rb->xfer->recv.hdr.mode.wres.rtcode != RESP_CMP) 1858217309Snwhitehorn rb->xfer->resp = EIO; 1859217309Snwhitehorn else 1860217309Snwhitehorn rb->xfer->resp = 0; 1861217309Snwhitehorn /* make sure the packet is drained in AT queue */ 1862217309Snwhitehorn oldstate = rb->xfer->state; 1863217309Snwhitehorn rb->xfer->state = FWXF_RCVD; 1864217309Snwhitehorn switch (oldstate) { 1865217309Snwhitehorn case FWXF_SENT: 1866217309Snwhitehorn fw_xfer_done(rb->xfer); 1867217309Snwhitehorn break; 1868217309Snwhitehorn case FWXF_START: 1869217309Snwhitehorn#if 0 1870217309Snwhitehorn if (firewire_debug) 1871217309Snwhitehorn printf("not sent yet tl=%x\n", rb->xfer->tl); 1872217309Snwhitehorn#endif 1873217309Snwhitehorn break; 1874217309Snwhitehorn default: 1875217309Snwhitehorn printf("unexpected state %d\n", rb->xfer->state); 1876217309Snwhitehorn } 1877217309Snwhitehorn return; 1878217309Snwhitehorn case FWTCODE_WREQQ: 1879217309Snwhitehorn case FWTCODE_WREQB: 1880217309Snwhitehorn case FWTCODE_RREQQ: 1881217309Snwhitehorn case FWTCODE_RREQB: 1882217309Snwhitehorn case FWTCODE_LREQ: 1883217309Snwhitehorn bind = fw_bindlookup(rb->fc, fp->mode.rreqq.dest_hi, 1884217309Snwhitehorn fp->mode.rreqq.dest_lo); 1885217309Snwhitehorn if(bind == NULL){ 1886217309Snwhitehorn printf("Unknown service addr 0x%04x:0x%08x %s(%x)" 1887217309Snwhitehorn#if defined(__DragonFly__) || __FreeBSD_version < 500000 1888217309Snwhitehorn " src=0x%x data=%lx\n", 1889217309Snwhitehorn#else 1890217309Snwhitehorn " src=0x%x data=%x\n", 1891217309Snwhitehorn#endif 1892217309Snwhitehorn fp->mode.wreqq.dest_hi, fp->mode.wreqq.dest_lo, 1893217309Snwhitehorn tcode_str[tcode], tcode, 1894217309Snwhitehorn fp->mode.hdr.src, ntohl(fp->mode.wreqq.data)); 1895217309Snwhitehorn if (rb->fc->status == FWBUSRESET) { 1896217309Snwhitehorn printf("fw_rcv: cannot respond(bus reset)!\n"); 1897217309Snwhitehorn goto err; 1898217309Snwhitehorn } 1899217309Snwhitehorn rb->xfer = fw_xfer_alloc(M_FWXFER); 1900217309Snwhitehorn if(rb->xfer == NULL){ 1901217309Snwhitehorn return; 1902217309Snwhitehorn } 1903217309Snwhitehorn rb->xfer->send.spd = rb->spd; 1904217309Snwhitehorn rb->xfer->send.pay_len = 0; 1905217309Snwhitehorn resfp = &rb->xfer->send.hdr; 1906217309Snwhitehorn switch (tcode) { 1907217309Snwhitehorn case FWTCODE_WREQQ: 1908224014Snwhitehorn case FWTCODE_WREQB: 1909224014Snwhitehorn resfp->mode.hdr.tcode = FWTCODE_WRES; 1910217309Snwhitehorn break; 1911217309Snwhitehorn case FWTCODE_RREQQ: 1912217309Snwhitehorn resfp->mode.hdr.tcode = FWTCODE_RRESQ; 1913251843Sbapt break; 1914251843Sbapt case FWTCODE_RREQB: 1915251843Sbapt resfp->mode.hdr.tcode = FWTCODE_RRESB; 1916251843Sbapt break; 1917251843Sbapt case FWTCODE_LREQ: 1918251843Sbapt resfp->mode.hdr.tcode = FWTCODE_LRES; 1919251843Sbapt break; 1920217309Snwhitehorn } 1921217309Snwhitehorn resfp->mode.hdr.dst = fp->mode.hdr.src; 1922217309Snwhitehorn resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt; 1923217309Snwhitehorn resfp->mode.hdr.pri = fp->mode.hdr.pri; 1924217309Snwhitehorn resfp->mode.rresb.rtcode = RESP_ADDRESS_ERROR; 1925217309Snwhitehorn resfp->mode.rresb.extcode = 0; 1926217309Snwhitehorn resfp->mode.rresb.len = 0; 1927217309Snwhitehorn/* 1928251843Sbapt rb->xfer->act.hand = fw_asy_callback; 1929217309Snwhitehorn*/ 1930217309Snwhitehorn rb->xfer->act.hand = fw_xfer_free; 1931220749Snwhitehorn if(fw_asyreq(rb->fc, -1, rb->xfer)){ 1932217309Snwhitehorn fw_xfer_free(rb->xfer); 1933220749Snwhitehorn return; 1934220749Snwhitehorn } 1935217309Snwhitehorn goto err; 1936217309Snwhitehorn } 1937217309Snwhitehorn len = 0; 1938217309Snwhitehorn for (i = 0; i < rb->nvec; i ++) 1939217309Snwhitehorn len += rb->vec[i].iov_len; 1940217309Snwhitehorn switch(bind->act_type){ 1941217309Snwhitehorn case FWACT_XFER: 1942217309Snwhitehorn /* splfw()?? */ 1943217309Snwhitehorn rb->xfer = STAILQ_FIRST(&bind->xferlist); 1944217309Snwhitehorn if (rb->xfer == NULL) { 1945217309Snwhitehorn printf("Discard a packet for this bind.\n"); 1946217309Snwhitehorn goto err; 1947217309Snwhitehorn } 1948217309Snwhitehorn STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1949217309Snwhitehorn fw_rcv_copy(rb); 1950217309Snwhitehorn rb->xfer->act.hand(rb->xfer); 1951217309Snwhitehorn return; 1952217309Snwhitehorn break; 1953217309Snwhitehorn case FWACT_CH: 1954217309Snwhitehorn if(rb->fc->ir[bind->sub]->queued >= 1955217309Snwhitehorn rb->fc->ir[bind->sub]->maxq){ 1956217309Snwhitehorn device_printf(rb->fc->bdev, 1957217309Snwhitehorn "Discard a packet %x %d\n", 1958217309Snwhitehorn bind->sub, 1959217309Snwhitehorn rb->fc->ir[bind->sub]->queued); 1960217309Snwhitehorn goto err; 1961217309Snwhitehorn } 1962217309Snwhitehorn rb->xfer = STAILQ_FIRST(&bind->xferlist); 1963217309Snwhitehorn if (rb->xfer == NULL) { 1964217309Snwhitehorn printf("Discard packet for this bind\n"); 1965217309Snwhitehorn goto err; 1966217309Snwhitehorn } 1967217309Snwhitehorn STAILQ_REMOVE_HEAD(&bind->xferlist, link); 1968217309Snwhitehorn fw_rcv_copy(rb); 1969217309Snwhitehorn s = splfw(); 1970217309Snwhitehorn rb->fc->ir[bind->sub]->queued++; 1971217309Snwhitehorn STAILQ_INSERT_TAIL(&rb->fc->ir[bind->sub]->q, 1972217309Snwhitehorn rb->xfer, link); 1973217309Snwhitehorn splx(s); 1974217309Snwhitehorn 1975217309Snwhitehorn wakeup((caddr_t)rb->fc->ir[bind->sub]); 1976217309Snwhitehorn 1977 return; 1978 break; 1979 default: 1980 goto err; 1981 break; 1982 } 1983 break; 1984#if 0 /* shouldn't happen ?? or for GASP */ 1985 case FWTCODE_STREAM: 1986 { 1987 struct fw_xferq *xferq; 1988 1989 xferq = rb->fc->ir[sub]; 1990#if 0 1991 printf("stream rcv dma %d len %d off %d spd %d\n", 1992 sub, len, off, spd); 1993#endif 1994 if(xferq->queued >= xferq->maxq) { 1995 printf("receive queue is full\n"); 1996 goto err; 1997 } 1998 /* XXX get xfer from xfer queue, we don't need copy for 1999 per packet mode */ 2000 rb->xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */ 2001 vec[0].iov_len); 2002 if (rb->xfer == NULL) goto err; 2003 fw_rcv_copy(rb) 2004 s = splfw(); 2005 xferq->queued++; 2006 STAILQ_INSERT_TAIL(&xferq->q, rb->xfer, link); 2007 splx(s); 2008 sc = device_get_softc(rb->fc->bdev); 2009#if defined(__DragonFly__) || __FreeBSD_version < 500000 2010 if (&xferq->rsel.si_pid != 0) 2011#else 2012 if (SEL_WAITING(&xferq->rsel)) 2013#endif 2014 selwakeuppri(&xferq->rsel, FWPRI); 2015 if (xferq->flag & FWXFERQ_WAKEUP) { 2016 xferq->flag &= ~FWXFERQ_WAKEUP; 2017 wakeup((caddr_t)xferq); 2018 } 2019 if (xferq->flag & FWXFERQ_HANDLER) { 2020 xferq->hand(xferq); 2021 } 2022 return; 2023 break; 2024 } 2025#endif 2026 default: 2027 printf("fw_rcv: unknow tcode %d\n", tcode); 2028 break; 2029 } 2030err: 2031 return; 2032} 2033 2034/* 2035 * Post process for Bus Manager election process. 2036 */ 2037static void 2038fw_try_bmr_callback(struct fw_xfer *xfer) 2039{ 2040 struct firewire_comm *fc; 2041 int bmr; 2042 2043 if (xfer == NULL) 2044 return; 2045 fc = xfer->fc; 2046 if (xfer->resp != 0) 2047 goto error; 2048 if (xfer->recv.payload == NULL) 2049 goto error; 2050 if (xfer->recv.hdr.mode.lres.rtcode != FWRCODE_COMPLETE) 2051 goto error; 2052 2053 bmr = ntohl(xfer->recv.payload[0]); 2054 if (bmr == 0x3f) 2055 bmr = fc->nodeid; 2056 2057 CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f); 2058 fw_xfer_free_buf(xfer); 2059 fw_bmr(fc); 2060 return; 2061 2062error: 2063 device_printf(fc->bdev, "bus manager election failed\n"); 2064 fw_xfer_free_buf(xfer); 2065} 2066 2067 2068/* 2069 * To candidate Bus Manager election process. 2070 */ 2071static void 2072fw_try_bmr(void *arg) 2073{ 2074 struct fw_xfer *xfer; 2075 struct firewire_comm *fc = (struct firewire_comm *)arg; 2076 struct fw_pkt *fp; 2077 int err = 0; 2078 2079 xfer = fw_xfer_alloc_buf(M_FWXFER, 8, 4); 2080 if(xfer == NULL){ 2081 return; 2082 } 2083 xfer->send.spd = 0; 2084 fc->status = FWBUSMGRELECT; 2085 2086 fp = &xfer->send.hdr; 2087 fp->mode.lreq.dest_hi = 0xffff; 2088 fp->mode.lreq.tlrt = 0; 2089 fp->mode.lreq.tcode = FWTCODE_LREQ; 2090 fp->mode.lreq.pri = 0; 2091 fp->mode.lreq.src = 0; 2092 fp->mode.lreq.len = 8; 2093 fp->mode.lreq.extcode = EXTCODE_CMP_SWAP; 2094 fp->mode.lreq.dst = FWLOCALBUS | fc->irm; 2095 fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID; 2096 xfer->send.payload[0] = htonl(0x3f); 2097 xfer->send.payload[1] = htonl(fc->nodeid); 2098 xfer->act.hand = fw_try_bmr_callback; 2099 2100 err = fw_asyreq(fc, -1, xfer); 2101 if(err){ 2102 fw_xfer_free_buf(xfer); 2103 return; 2104 } 2105 return; 2106} 2107 2108#ifdef FW_VMACCESS 2109/* 2110 * Software implementation for physical memory block access. 2111 * XXX:Too slow, usef for debug purpose only. 2112 */ 2113static void 2114fw_vmaccess(struct fw_xfer *xfer){ 2115 struct fw_pkt *rfp, *sfp = NULL; 2116 uint32_t *ld = (uint32_t *)xfer->recv.buf; 2117 2118 printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n", 2119 xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 2120 printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 2121 if(xfer->resp != 0){ 2122 fw_xfer_free( xfer); 2123 return; 2124 } 2125 if(xfer->recv.buf == NULL){ 2126 fw_xfer_free( xfer); 2127 return; 2128 } 2129 rfp = (struct fw_pkt *)xfer->recv.buf; 2130 switch(rfp->mode.hdr.tcode){ 2131 /* XXX need fix for 64bit arch */ 2132 case FWTCODE_WREQB: 2133 xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2134 xfer->send.len = 12; 2135 sfp = (struct fw_pkt *)xfer->send.buf; 2136 bcopy(rfp->mode.wreqb.payload, 2137 (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len)); 2138 sfp->mode.wres.tcode = FWTCODE_WRES; 2139 sfp->mode.wres.rtcode = 0; 2140 break; 2141 case FWTCODE_WREQQ: 2142 xfer->send.buf = malloc(12, M_FW, M_NOWAIT); 2143 xfer->send.len = 12; 2144 sfp->mode.wres.tcode = FWTCODE_WRES; 2145 *((uint32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data; 2146 sfp->mode.wres.rtcode = 0; 2147 break; 2148 case FWTCODE_RREQB: 2149 xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_NOWAIT); 2150 xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len); 2151 sfp = (struct fw_pkt *)xfer->send.buf; 2152 bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo), 2153 sfp->mode.rresb.payload, (uint16_t)ntohs(rfp->mode.rreqb.len)); 2154 sfp->mode.rresb.tcode = FWTCODE_RRESB; 2155 sfp->mode.rresb.len = rfp->mode.rreqb.len; 2156 sfp->mode.rresb.rtcode = 0; 2157 sfp->mode.rresb.extcode = 0; 2158 break; 2159 case FWTCODE_RREQQ: 2160 xfer->send.buf = malloc(16, M_FW, M_NOWAIT); 2161 xfer->send.len = 16; 2162 sfp = (struct fw_pkt *)xfer->send.buf; 2163 sfp->mode.rresq.data = *(uint32_t *)(ntohl(rfp->mode.rreqq.dest_lo)); 2164 sfp->mode.wres.tcode = FWTCODE_RRESQ; 2165 sfp->mode.rresb.rtcode = 0; 2166 break; 2167 default: 2168 fw_xfer_free( xfer); 2169 return; 2170 } 2171 sfp->mode.hdr.dst = rfp->mode.hdr.src; 2172 xfer->dst = ntohs(rfp->mode.hdr.src); 2173 xfer->act.hand = fw_xfer_free; 2174 xfer->retry_req = fw_asybusy; 2175 2176 sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt; 2177 sfp->mode.hdr.pri = 0; 2178 2179 fw_asyreq(xfer->fc, -1, xfer); 2180/**/ 2181 return; 2182} 2183#endif 2184 2185/* 2186 * CRC16 check-sum for IEEE1394 register blocks. 2187 */ 2188uint16_t 2189fw_crc16(uint32_t *ptr, uint32_t len){ 2190 uint32_t i, sum, crc = 0; 2191 int shift; 2192 len = (len + 3) & ~3; 2193 for(i = 0 ; i < len ; i+= 4){ 2194 for( shift = 28 ; shift >= 0 ; shift -= 4){ 2195 sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf; 2196 crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum; 2197 } 2198 crc &= 0xffff; 2199 } 2200 return((uint16_t) crc); 2201} 2202 2203static int 2204fw_bmr(struct firewire_comm *fc) 2205{ 2206 struct fw_device fwdev; 2207 union fw_self_id *self_id; 2208 int cmstr; 2209 uint32_t quad; 2210 2211 /* Check to see if the current root node is cycle master capable */ 2212 self_id = fw_find_self_id(fc, fc->max_node); 2213 if (fc->max_node > 0) { 2214 /* XXX check cmc bit of businfo block rather than contender */ 2215 if (self_id->p0.link_active && self_id->p0.contender) 2216 cmstr = fc->max_node; 2217 else { 2218 device_printf(fc->bdev, 2219 "root node is not cycle master capable\n"); 2220 /* XXX shall we be the cycle master? */ 2221 cmstr = fc->nodeid; 2222 /* XXX need bus reset */ 2223 } 2224 } else 2225 cmstr = -1; 2226 2227 device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID)); 2228 if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) { 2229 /* We are not the bus manager */ 2230 printf("\n"); 2231 return(0); 2232 } 2233 printf("(me)\n"); 2234 2235 /* Optimize gapcount */ 2236 if(fc->max_hop <= MAX_GAPHOP ) 2237 fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]); 2238 /* If we are the cycle master, nothing to do */ 2239 if (cmstr == fc->nodeid || cmstr == -1) 2240 return 0; 2241 /* Bus probe has not finished, make dummy fwdev for cmstr */ 2242 bzero(&fwdev, sizeof(fwdev)); 2243 fwdev.fc = fc; 2244 fwdev.dst = cmstr; 2245 fwdev.speed = 0; 2246 fwdev.maxrec = 8; /* 512 */ 2247 fwdev.status = FWDEVINIT; 2248 /* Set cmstr bit on the cycle master */ 2249 quad = htonl(1 << 8); 2250 fwmem_write_quad(&fwdev, NULL, 0/*spd*/, 2251 0xffff, 0xf0000000 | STATE_SET, &quad, fw_asy_callback_free); 2252 2253 return 0; 2254} 2255 2256static int 2257fw_modevent(module_t mode, int type, void *data) 2258{ 2259 int err = 0; 2260#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2261 static eventhandler_tag fwdev_ehtag = NULL; 2262#endif 2263 2264 switch (type) { 2265 case MOD_LOAD: 2266#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2267 fwdev_ehtag = EVENTHANDLER_REGISTER(dev_clone, 2268 fwdev_clone, 0, 1000); 2269#endif 2270 break; 2271 case MOD_UNLOAD: 2272#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2273 if (fwdev_ehtag != NULL) 2274 EVENTHANDLER_DEREGISTER(dev_clone, fwdev_ehtag); 2275#endif 2276 break; 2277 case MOD_SHUTDOWN: 2278 break; 2279 default: 2280 return (EOPNOTSUPP); 2281 } 2282 return (err); 2283} 2284 2285 2286#ifdef __DragonFly__ 2287DECLARE_DUMMY_MODULE(firewire); 2288#endif 2289DRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,fw_modevent,0); 2290MODULE_VERSION(firewire, 1); 2291