2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the acknowledgement as bellow:
17 * This product includes software developed by K. Kobayashi and H. Shimokawa
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
34 * $FreeBSD: src/sys/dev/firewire/firewire.c,v 1.68 2004/01/08 14:58:09 simokawa Exp $
35 * $DragonFly: src/sys/bus/firewire/firewire.c,v 1.9 2004/12/20 17:44:51 dillon Exp $
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/types.h>
43 #include <sys/kernel.h>
44 #include <sys/malloc.h>
46 #include <sys/sysctl.h>
48 #if defined(__DragonFly__) || __FreeBSD_version < 500000
49 #include <machine/clock.h> /* for DELAY() */
52 #include <sys/bus.h> /* used by smbus and newbus */
53 #include <machine/bus.h>
57 #include "firewirereg.h"
62 #include <dev/firewire/firewire.h>
63 #include <dev/firewire/firewirereg.h>
64 #include <dev/firewire/fwmem.h>
65 #include <dev/firewire/iec13213.h>
66 #include <dev/firewire/iec68113.h>
71 struct crom_chunk root;
72 struct crom_chunk vendor;
76 int firewire_debug=0, try_bmr=1, hold_count=3;
77 SYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0,
78 "FireWire driver debug flag");
79 SYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem");
80 SYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0,
81 "Try to be a bus manager");
82 SYSCTL_INT(_hw_firewire, OID_AUTO, hold_count, CTLFLAG_RW, &hold_count, 0,
83 "Number of count of bus resets for removing lost device information");
85 MALLOC_DEFINE(M_FW, "firewire", "FireWire");
86 MALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire");
88 #define FW_MAXASYRTY 4
90 devclass_t firewire_devclass;
92 static void firewire_identify (driver_t *, device_t);
93 static int firewire_probe (device_t);
94 static int firewire_attach (device_t);
95 static int firewire_detach (device_t);
96 static int firewire_resume (device_t);
98 static int firewire_shutdown (device_t);
100 static device_t firewire_add_child (device_t, int, const char *, int);
101 static void fw_try_bmr (void *);
102 static void fw_try_bmr_callback (struct fw_xfer *);
103 static void fw_asystart (struct fw_xfer *);
104 static int fw_get_tlabel (struct firewire_comm *, struct fw_xfer *);
105 static void fw_bus_probe (struct firewire_comm *);
106 static void fw_bus_explore (struct firewire_comm *);
107 static void fw_bus_explore_callback (struct fw_xfer *);
108 static void fw_attach_dev (struct firewire_comm *);
110 static void fw_vmaccess (struct fw_xfer *);
112 struct fw_xfer *asyreqq (struct firewire_comm *, u_int8_t, u_int8_t, u_int8_t,
113 u_int32_t, u_int32_t, void (*)(struct fw_xfer *));
114 static int fw_bmr (struct firewire_comm *);
116 static device_method_t firewire_methods[] = {
117 /* Device interface */
118 DEVMETHOD(device_identify, firewire_identify),
119 DEVMETHOD(device_probe, firewire_probe),
120 DEVMETHOD(device_attach, firewire_attach),
121 DEVMETHOD(device_detach, firewire_detach),
122 DEVMETHOD(device_suspend, bus_generic_suspend),
123 DEVMETHOD(device_resume, firewire_resume),
124 DEVMETHOD(device_shutdown, bus_generic_shutdown),
127 DEVMETHOD(bus_add_child, firewire_add_child),
128 DEVMETHOD(bus_print_child, bus_generic_print_child),
132 char *linkspeed[] = {
133 "S100", "S200", "S400", "S800",
134 "S1600", "S3200", "undef", "undef"
137 static char *tcode_str[] = {
138 "WREQQ", "WREQB", "WRES", "undef",
139 "RREQQ", "RREQB", "RRESQ", "RRESB",
140 "CYCS", "LREQ", "STREAM", "LRES",
141 "undef", "undef", "PHY", "undef"
144 /* IEEE-1394a Table C-2 Gap count as a function of hops*/
145 #define MAX_GAPHOP 15
146 u_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18,
147 21, 24, 26, 29, 32, 35, 37, 40};
149 static driver_t firewire_driver = {
152 sizeof(struct firewire_softc),
156 * Lookup fwdev by node id.
159 fw_noderesolve_nodeid(struct firewire_comm *fc, int dst)
161 struct fw_device *fwdev;
165 STAILQ_FOREACH(fwdev, &fc->devices, link)
166 if (fwdev->dst == dst && fwdev->status != FWDEVINVAL)
174 * Lookup fwdev by EUI64.
177 fw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui)
179 struct fw_device *fwdev;
183 STAILQ_FOREACH(fwdev, &fc->devices, link)
184 if (FW_EUI64_EQUAL(fwdev->eui, *eui))
188 if(fwdev == NULL) return NULL;
189 if(fwdev->status == FWDEVINVAL) return NULL;
194 * Async. request procedure for userland application.
197 fw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer)
200 struct fw_xferq *xferq;
204 struct tcode_info *info;
206 if(xfer == NULL) return EINVAL;
207 if(xfer->act.hand == NULL){
208 printf("act.hand == NULL\n");
211 fp = &xfer->send.hdr;
213 tcode = fp->mode.common.tcode & 0xf;
214 info = &fc->tcode[tcode];
215 if (info->flag == 0) {
216 printf("invalid tcode=%x\n", tcode);
219 if (info->flag & FWTI_REQ)
224 if (xfer->send.pay_len > MAXREC(fc->maxrec)) {
225 printf("send.pay_len > maxrec\n");
228 if (info->flag & FWTI_BLOCK_STR)
229 len = fp->mode.stream.len;
230 else if (info->flag & FWTI_BLOCK_ASY)
231 len = fp->mode.rresb.len;
234 if (len != xfer->send.pay_len){
235 printf("len(%d) != send.pay_len(%d) %s(%x)\n",
236 len, xfer->send.pay_len, tcode_str[tcode], tcode);
240 if(xferq->start == NULL){
241 printf("xferq->start == NULL\n");
244 if(!(xferq->queued < xferq->maxq)){
245 device_printf(fc->bdev, "Discard a packet (queued=%d)\n",
250 microtime(&xfer->tv);
251 if (info->flag & FWTI_TLABEL) {
252 if((tl = fw_get_tlabel(fc, xfer)) == -1 )
254 fp->mode.hdr.tlrt = tl << 2;
261 xfer->retry_req = fw_asybusy;
267 * Wakeup blocked process.
270 fw_asy_callback(struct fw_xfer *xfer){
275 * Postpone to later retry.
277 void fw_asybusy(struct fw_xfer *xfer){
278 printf("fw_asybusy\n");
280 xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000);
290 * Async. request with given xfer structure.
293 fw_asystart(struct fw_xfer *xfer)
295 struct firewire_comm *fc = xfer->fc;
297 if(xfer->retry++ >= fc->max_asyretry){
298 device_printf(fc->bdev, "max_asyretry exceeded\n");
300 xfer->state = FWXF_BUSY;
301 xfer->act.hand(xfer);
304 #if 0 /* XXX allow bus explore packets only after bus rest */
305 if (fc->status < FWBUSEXPLORE) {
307 xfer->state = FWXF_BUSY;
308 if (xfer->act.hand != NULL)
309 xfer->act.hand(xfer);
314 xfer->state = FWXF_INQ;
315 STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link);
318 /* XXX just queue for mbuf */
319 if (xfer->mbuf == NULL)
325 firewire_identify(driver_t *driver, device_t parent)
327 BUS_ADD_CHILD(parent, 0, "firewire", -1);
331 firewire_probe(device_t dev)
333 device_set_desc(dev, "IEEE1394(FireWire) bus");
338 firewire_xfer_timeout(struct firewire_comm *fc)
340 struct fw_xfer *xfer;
343 struct timeval split_timeout;
346 split_timeout.tv_sec = 0;
347 split_timeout.tv_usec = 200 * 1000; /* 200 msec */
350 timevalsub(&tv, &split_timeout);
353 for (i = 0; i < 0x40; i ++) {
354 while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) {
356 if (timevalcmp(&xfer->tv, &tv, >))
357 /* the rests are newer than this */
359 if (xfer->state == FWXF_START)
362 device_printf(fc->bdev,
363 "split transaction timeout dst=0x%x tl=0x%x state=%d\n",
364 xfer->send.hdr.mode.hdr.dst, i, xfer->state);
365 xfer->resp = ETIMEDOUT;
366 STAILQ_REMOVE_HEAD(&fc->tlabels[i], link);
373 #define WATCHDOC_HZ 10
375 firewire_watchdog(void *arg)
377 struct firewire_comm *fc;
378 static int watchdoc_clock = 0;
380 fc = (struct firewire_comm *)arg;
383 * At boot stage, the device interrupt is disabled and
384 * We encounter a timeout easily. To avoid this,
385 * ignore clock interrupt for a while.
387 if (watchdoc_clock > WATCHDOC_HZ * 15) {
388 firewire_xfer_timeout(fc);
393 callout_reset(&fc->timeout_callout, hz / WATCHDOC_HZ,
394 (void *)firewire_watchdog, (void *)fc);
398 * The attach routine.
401 firewire_attach(device_t dev)
404 struct firewire_softc *sc = device_get_softc(dev);
405 device_t pa = device_get_parent(dev);
406 struct firewire_comm *fc;
408 fc = (struct firewire_comm *)device_get_softc(pa);
410 fc->status = FWBUSNOTREADY;
412 unit = device_get_unit(dev);
413 if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA;
417 CALLOUT_INIT(&sc->fc->timeout_callout);
418 CALLOUT_INIT(&sc->fc->bmr_callout);
419 CALLOUT_INIT(&sc->fc->retry_probe_callout);
420 CALLOUT_INIT(&sc->fc->busprobe_callout);
422 callout_reset(&sc->fc->timeout_callout, hz,
423 (void *)firewire_watchdog, (void *)sc->fc);
425 /* Locate our children */
426 bus_generic_probe(dev);
428 /* launch attachement of the added children */
429 bus_generic_attach(dev);
439 * Attach it as child.
442 firewire_add_child(device_t dev, int order, const char *name, int unit)
445 struct firewire_softc *sc;
447 sc = (struct firewire_softc *)device_get_softc(dev);
448 child = device_add_child(dev, name, unit);
450 device_set_ivars(child, sc->fc);
451 device_probe_and_attach(child);
458 firewire_resume(device_t dev)
460 struct firewire_softc *sc;
462 sc = (struct firewire_softc *)device_get_softc(dev);
463 sc->fc->status = FWBUSNOTREADY;
465 bus_generic_resume(dev);
474 firewire_detach(device_t dev)
476 struct firewire_softc *sc;
477 struct csrdir *csrd, *next;
478 struct fw_device *fwdev, *fwdev_next;
481 sc = (struct firewire_softc *)device_get_softc(dev);
482 if ((err = fwdev_destroydev(sc)) != 0)
485 if ((err = bus_generic_detach(dev)) != 0)
488 callout_stop(&sc->fc->timeout_callout);
489 callout_stop(&sc->fc->bmr_callout);
490 callout_stop(&sc->fc->retry_probe_callout);
491 callout_stop(&sc->fc->busprobe_callout);
493 /* XXX xfree_free and untimeout on all xfers */
494 for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL;
495 fwdev = fwdev_next) {
496 fwdev_next = STAILQ_NEXT(fwdev, link);
499 for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) {
500 next = SLIST_NEXT(csrd, link);
503 free(sc->fc->topology_map, M_FW);
504 free(sc->fc->speed_map, M_FW);
505 free(sc->fc->crom_src_buf, M_FW);
510 firewire_shutdown( device_t dev )
518 fw_xferq_drain(struct fw_xferq *xferq)
520 struct fw_xfer *xfer;
522 while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) {
523 STAILQ_REMOVE_HEAD(&xferq->q, link);
531 fw_drain_txq(struct firewire_comm *fc)
535 fw_xferq_drain(fc->atq);
536 fw_xferq_drain(fc->ats);
537 for(i = 0; i < fc->nisodma; i++)
538 fw_xferq_drain(fc->it[i]);
542 fw_reset_csr(struct firewire_comm *fc)
546 CSRARC(fc, STATE_CLEAR)
547 = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ;
548 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR);
549 CSRARC(fc, NODE_IDS) = 0x3f;
551 CSRARC(fc, TOPO_MAP + 8) = 0;
556 for(i = 2; i < 0x100/4 - 2 ; i++){
557 CSRARC(fc, SPED_MAP + i * 4) = 0;
559 CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ;
560 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR);
561 CSRARC(fc, RESET_START) = 0;
562 CSRARC(fc, SPLIT_TIMEOUT_HI) = 0;
563 CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19;
564 CSRARC(fc, CYCLE_TIME) = 0x0;
565 CSRARC(fc, BUS_TIME) = 0x0;
566 CSRARC(fc, BUS_MGR_ID) = 0x3f;
567 CSRARC(fc, BANDWIDTH_AV) = 4915;
568 CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff;
569 CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff;
570 CSRARC(fc, IP_CHANNELS) = (1 << 31);
572 CSRARC(fc, CONF_ROM) = 0x04 << 24;
573 CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */
574 CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 |
575 1 << 28 | 0xff << 16 | 0x09 << 8;
576 CSRARC(fc, CONF_ROM + 0xc) = 0;
578 /* DV depend CSRs see blue book */
579 CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON;
580 CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON;
582 CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 );
583 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR);
587 fw_init_crom(struct firewire_comm *fc)
589 struct crom_src *src;
591 fc->crom_src_buf = (struct crom_src_buf *)
592 malloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO);
593 if (fc->crom_src_buf == NULL)
596 src = &fc->crom_src_buf->src;
597 bzero(src, sizeof(struct crom_src));
599 /* BUS info sample */
600 src->hdr.info_len = 4;
602 src->businfo.bus_name = CSR_BUS_NAME_IEEE1394;
604 src->businfo.irmc = 1;
605 src->businfo.cmc = 1;
606 src->businfo.isc = 1;
607 src->businfo.bmc = 1;
608 src->businfo.pmc = 0;
609 src->businfo.cyc_clk_acc = 100;
610 src->businfo.max_rec = fc->maxrec;
611 src->businfo.max_rom = MAXROM_4;
612 src->businfo.generation = 1;
613 src->businfo.link_spd = fc->speed;
615 src->businfo.eui64.hi = fc->eui.hi;
616 src->businfo.eui64.lo = fc->eui.lo;
618 STAILQ_INIT(&src->chunk_list);
621 fc->crom_root = &fc->crom_src_buf->root;
625 fw_reset_crom(struct firewire_comm *fc)
627 struct crom_src_buf *buf;
628 struct crom_src *src;
629 struct crom_chunk *root;
631 if (fc->crom_src_buf == NULL)
634 buf = fc->crom_src_buf;
636 root = fc->crom_root;
638 STAILQ_INIT(&src->chunk_list);
640 bzero(root, sizeof(struct crom_chunk));
641 crom_add_chunk(src, NULL, root, 0);
642 crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */
643 /* private company_id */
644 crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE);
646 crom_add_simple_text(src, root, &buf->vendor, "DragonFly Project");
647 crom_add_entry(root, CSRKEY_HW, __DragonFly_cc_version);
649 crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project");
650 crom_add_entry(root, CSRKEY_HW, __FreeBSD_version);
652 crom_add_simple_text(src, root, &buf->hw, hostname);
656 * Called after bus reset.
659 fw_busreset(struct firewire_comm *fc)
661 struct firewire_dev_comm *fdc;
662 struct crom_src *src;
669 callout_stop(&fc->bmr_callout);
674 fc->status = FWBUSRESET;
678 if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) {
679 for( i = 0 ; i < devcnt ; i++)
680 if (device_get_state(devlistp[i]) >= DS_ATTACHED) {
681 fdc = device_get_softc(devlistp[i]);
682 if (fdc->post_busreset != NULL)
683 fdc->post_busreset(fdc);
685 free(devlistp, M_TEMP);
688 newrom = malloc(CROMSIZE, M_FW, M_WAITOK | M_ZERO);
689 src = &fc->crom_src_buf->src;
690 crom_load(src, (u_int32_t *)newrom, CROMSIZE);
691 if (bcmp(newrom, fc->config_rom, CROMSIZE) != 0) {
692 /* bump generation and reload */
693 src->businfo.generation ++;
694 /* generation must be between 0x2 and 0xF */
695 if (src->businfo.generation < 2)
696 src->businfo.generation ++;
697 crom_load(src, (u_int32_t *)newrom, CROMSIZE);
698 bcopy(newrom, (void *)fc->config_rom, CROMSIZE);
703 /* Call once after reboot */
704 void fw_init(struct firewire_comm *fc)
709 struct fw_xfer *xfer;
713 fc->max_asyretry = FW_MAXASYRTY;
730 STAILQ_INIT(&fc->atq->q);
731 STAILQ_INIT(&fc->ats->q);
733 for( i = 0 ; i < fc->nisodma ; i ++ ){
734 fc->it[i]->queued = 0;
735 fc->ir[i]->queued = 0;
737 fc->it[i]->start = NULL;
738 fc->ir[i]->start = NULL;
740 fc->it[i]->buf = NULL;
741 fc->ir[i]->buf = NULL;
743 fc->it[i]->flag = FWXFERQ_STREAM;
744 fc->ir[i]->flag = FWXFERQ_STREAM;
746 STAILQ_INIT(&fc->it[i]->q);
747 STAILQ_INIT(&fc->ir[i]->q);
749 STAILQ_INIT(&fc->it[i]->binds);
750 STAILQ_INIT(&fc->ir[i]->binds);
753 fc->arq->maxq = FWMAXQUEUE;
754 fc->ars->maxq = FWMAXQUEUE;
755 fc->atq->maxq = FWMAXQUEUE;
756 fc->ats->maxq = FWMAXQUEUE;
758 for( i = 0 ; i < fc->nisodma ; i++){
759 fc->ir[i]->maxq = FWMAXQUEUE;
760 fc->it[i]->maxq = FWMAXQUEUE;
762 /* Initialize csr registers */
763 fc->topology_map = malloc(sizeof(struct fw_topology_map),
764 M_FW, M_WAITOK | M_ZERO);
765 fc->speed_map = malloc(sizeof(struct fw_speed_map),
766 M_FW, M_WAITOK | M_ZERO);
767 CSRARC(fc, TOPO_MAP) = 0x3f1 << 16;
768 CSRARC(fc, TOPO_MAP + 4) = 1;
769 CSRARC(fc, SPED_MAP) = 0x3f1 << 16;
770 CSRARC(fc, SPED_MAP + 4) = 1;
772 STAILQ_INIT(&fc->devices);
774 /* Initialize csr ROM work space */
775 SLIST_INIT(&fc->ongocsr);
776 SLIST_INIT(&fc->csrfree);
777 for( i = 0 ; i < FWMAXCSRDIR ; i++){
778 csrd = malloc(sizeof(struct csrdir), M_FW, M_WAITOK);
779 if(csrd == NULL) break;
780 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link);
783 /* Initialize Async handlers */
784 STAILQ_INIT(&fc->binds);
785 for( i = 0 ; i < 0x40 ; i++){
786 STAILQ_INIT(&fc->tlabels[i]);
789 /* DV depend CSRs see blue book */
791 CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */
792 CSRARC(fc, oPCR) = 0x8000007a;
793 for(i = 4 ; i < 0x7c/4 ; i+=4){
794 CSRARC(fc, i + oPCR) = 0x8000007a;
797 CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */
798 CSRARC(fc, iPCR) = 0x803f0000;
799 for(i = 4 ; i < 0x7c/4 ; i+=4){
800 CSRARC(fc, i + iPCR) = 0x0;
804 fc->crom_src_buf = NULL;
807 xfer = fw_xfer_alloc();
808 if(xfer == NULL) return;
810 fwb = malloc(sizeof (struct fw_bind), M_FW, M_WAITOK);
811 xfer->act.hand = fw_vmaccess;
817 fwb->addrlen = 0xffffffff;
823 #define BIND_CMP(addr, fwb) (((addr) < (fwb)->start)?-1:\
824 ((fwb)->end < (addr))?1:0)
827 * To lookup binded process from IEEE1394 address.
830 fw_bindlookup(struct firewire_comm *fc, u_int16_t dest_hi, u_int32_t dest_lo)
835 addr = ((u_int64_t)dest_hi << 32) | dest_lo;
836 STAILQ_FOREACH(tfw, &fc->binds, fclist)
837 if (tfw->act_type != FWACT_NULL && BIND_CMP(addr, tfw) == 0)
843 * To bind IEEE1394 address block to process.
846 fw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb)
848 struct fw_bind *tfw, *prev = NULL;
850 if (fwb->start > fwb->end) {
851 printf("%s: invalid range\n", __FUNCTION__);
855 STAILQ_FOREACH(tfw, &fc->binds, fclist) {
856 if (fwb->end < tfw->start)
861 STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist);
864 if (prev->end < fwb->start) {
865 STAILQ_INSERT_AFTER(&fc->binds, prev, fwb, fclist);
869 printf("%s: bind failed\n", __FUNCTION__);
873 if (fwb->act_type == FWACT_CH)
874 STAILQ_INSERT_HEAD(&fc->ir[fwb->sub]->binds, fwb, chlist);
879 * To free IEEE1394 address block.
882 fw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb)
885 struct fw_xfer *xfer, *next;
891 STAILQ_FOREACH(tfw, &fc->binds, fclist)
893 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist);
897 printf("%s: no such bind\n", __FUNCTION__);
902 /* shall we do this? */
903 for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) {
904 next = STAILQ_NEXT(xfer, link);
907 STAILQ_INIT(&fwb->xferlist);
915 * To free transaction label.
918 fw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer)
923 for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL;
924 tl = STAILQ_NEXT(tl, link)){
925 if(tl->xfer == xfer){
926 STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link);
937 * To obtain XFER structure by transaction label.
939 static struct fw_xfer *
940 fw_tl2xfer(struct firewire_comm *fc, int node, int tlabel)
942 struct fw_xfer *xfer;
946 for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL;
947 tl = STAILQ_NEXT(tl, link)){
948 if(tl->xfer->send.hdr.mode.hdr.dst == node){
951 if (firewire_debug > 2)
952 printf("fw_tl2xfer: found tl=%d\n", tlabel);
956 if (firewire_debug > 1)
957 printf("fw_tl2xfer: not found tl=%d\n", tlabel);
963 * To allocate IEEE1394 XFER structure.
966 fw_xfer_alloc(struct malloc_type *type)
968 struct fw_xfer *xfer;
970 xfer = malloc(sizeof(struct fw_xfer), type, M_INTWAIT | M_ZERO);
977 fw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len)
979 struct fw_xfer *xfer;
981 xfer = fw_xfer_alloc(type);
982 xfer->send.pay_len = send_len;
983 xfer->recv.pay_len = recv_len;
987 xfer->send.payload = malloc(send_len, type, M_INTWAIT | M_ZERO);
988 if (xfer->send.payload == NULL) {
994 xfer->recv.payload = malloc(recv_len, type, M_INTWAIT);
995 if (xfer->recv.payload == NULL) {
996 if (xfer->send.payload != NULL)
997 free(xfer->send.payload, type);
1006 * IEEE1394 XFER post process.
1009 fw_xfer_done(struct fw_xfer *xfer)
1011 if (xfer->act.hand == NULL) {
1012 printf("act.hand == NULL\n");
1016 if (xfer->fc == NULL)
1017 panic("fw_xfer_done: why xfer->fc is NULL?");
1019 xfer->act.hand(xfer);
1023 fw_xfer_unload(struct fw_xfer* xfer)
1027 if(xfer == NULL ) return;
1028 if(xfer->state == FWXF_INQ){
1029 printf("fw_xfer_free FWXF_INQ\n");
1031 STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link);
1035 if (xfer->fc != NULL) {
1037 if(xfer->state == FWXF_START)
1039 * This could happen if:
1040 * 1. We call fwohci_arcv() before fwohci_txd().
1041 * 2. firewire_watch() is called.
1043 printf("fw_xfer_free FWXF_START\n");
1045 fw_tl_free(xfer->fc, xfer);
1047 xfer->state = FWXF_INIT;
1052 * To free IEEE1394 XFER structure.
1055 fw_xfer_free_buf( struct fw_xfer* xfer)
1058 printf("%s: xfer == NULL\n", __FUNCTION__);
1061 fw_xfer_unload(xfer);
1062 if(xfer->send.payload != NULL){
1063 free(xfer->send.payload, xfer->malloc);
1065 if(xfer->recv.payload != NULL){
1066 free(xfer->recv.payload, xfer->malloc);
1068 free(xfer, xfer->malloc);
1072 fw_xfer_free( struct fw_xfer* xfer)
1075 printf("%s: xfer == NULL\n", __FUNCTION__);
1078 fw_xfer_unload(xfer);
1079 free(xfer, xfer->malloc);
1083 fw_asy_callback_free(struct fw_xfer *xfer)
1086 printf("asyreq done state=%d resp=%d\n",
1087 xfer->state, xfer->resp);
1096 fw_phy_config(struct firewire_comm *fc, int root_node, int gap_count)
1098 struct fw_xfer *xfer;
1101 fc->status = FWBUSPHYCONF;
1103 xfer = fw_xfer_alloc(M_FWXFER);
1107 xfer->retry_req = fw_asybusy;
1108 xfer->act.hand = fw_asy_callback_free;
1110 fp = &xfer->send.hdr;
1113 fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23;
1115 fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16;
1116 fp->mode.ld[2] = ~fp->mode.ld[1];
1117 /* XXX Dangerous, how to pass PHY packet to device driver */
1118 fp->mode.common.tcode |= FWTCODE_PHY;
1121 printf("send phy_config root_node=%d gap_count=%d\n",
1122 root_node, gap_count);
1123 fw_asyreq(fc, -1, xfer);
1131 fw_print_sid(u_int32_t sid)
1133 union fw_self_id *s;
1134 s = (union fw_self_id *) &sid;
1135 printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d"
1136 " p0:%d p1:%d p2:%d i:%d m:%d\n",
1137 s->p0.phy_id, s->p0.link_active, s->p0.gap_count,
1138 s->p0.phy_speed, s->p0.phy_delay, s->p0.contender,
1139 s->p0.power_class, s->p0.port0, s->p0.port1,
1140 s->p0.port2, s->p0.initiated_reset, s->p0.more_packets);
1145 * To receive self ID.
1147 void fw_sidrcv(struct firewire_comm* fc, u_int32_t *sid, u_int len)
1150 union fw_self_id *self_id;
1151 u_int i, j, node, c_port = 0, i_branch = 0;
1153 fc->sid_cnt = len /(sizeof(u_int32_t) * 2);
1154 fc->status = FWBUSINIT;
1155 fc->max_node = fc->nodeid & 0x3f;
1156 CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16;
1157 fc->status = FWBUSCYMELECT;
1158 fc->topology_map->crc_len = 2;
1159 fc->topology_map->generation ++;
1160 fc->topology_map->self_id_count = 0;
1161 fc->topology_map->node_count = 0;
1162 fc->speed_map->generation ++;
1163 fc->speed_map->crc_len = 1 + (64*64 + 3) / 4;
1164 self_id = &fc->topology_map->self_id[0];
1165 for(i = 0; i < fc->sid_cnt; i ++){
1166 if (sid[1] != ~sid[0]) {
1167 printf("fw_sidrcv: invalid self-id packet\n");
1171 *self_id = *((union fw_self_id *)sid);
1172 fc->topology_map->crc_len++;
1173 if(self_id->p0.sequel == 0){
1174 fc->topology_map->node_count ++;
1177 fw_print_sid(sid[0]);
1179 node = self_id->p0.phy_id;
1180 if(fc->max_node < node){
1181 fc->max_node = self_id->p0.phy_id;
1183 /* XXX I'm not sure this is the right speed_map */
1184 fc->speed_map->speed[node][node]
1185 = self_id->p0.phy_speed;
1186 for (j = 0; j < node; j ++) {
1187 fc->speed_map->speed[j][node]
1188 = fc->speed_map->speed[node][j]
1189 = min(fc->speed_map->speed[j][j],
1190 self_id->p0.phy_speed);
1192 if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) &&
1193 (self_id->p0.link_active && self_id->p0.contender)) {
1194 fc->irm = self_id->p0.phy_id;
1196 if(self_id->p0.port0 >= 0x2){
1199 if(self_id->p0.port1 >= 0x2){
1202 if(self_id->p0.port2 >= 0x2){
1207 i_branch += (c_port - 2);
1211 fc->topology_map->self_id_count ++;
1213 device_printf(fc->bdev, "%d nodes", fc->max_node + 1);
1215 fc->topology_map->crc = fw_crc16(
1216 (u_int32_t *)&fc->topology_map->generation,
1217 fc->topology_map->crc_len * 4);
1218 fc->speed_map->crc = fw_crc16(
1219 (u_int32_t *)&fc->speed_map->generation,
1220 fc->speed_map->crc_len * 4);
1221 /* byteswap and copy to CSR */
1222 p = (u_int32_t *)fc->topology_map;
1223 for (i = 0; i <= fc->topology_map->crc_len; i++)
1224 CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++);
1225 p = (u_int32_t *)fc->speed_map;
1226 CSRARC(fc, SPED_MAP) = htonl(*p++);
1227 CSRARC(fc, SPED_MAP + 4) = htonl(*p++);
1228 /* don't byte-swap u_int8_t array */
1229 bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4);
1231 fc->max_hop = fc->max_node - i_branch;
1232 printf(", maxhop <= %d", fc->max_hop);
1235 printf(", Not found IRM capable node");
1237 printf(", cable IRM = %d", fc->irm);
1238 if (fc->irm == fc->nodeid)
1243 if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) {
1244 if (fc->irm == fc->nodeid) {
1245 fc->status = FWBUSMGRDONE;
1246 CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm);
1249 fc->status = FWBUSMGRELECT;
1250 callout_reset(&fc->bmr_callout, hz/8,
1251 (void *)fw_try_bmr, (void *)fc);
1254 fc->status = FWBUSMGRDONE;
1256 callout_reset(&fc->busprobe_callout, hz/4,
1257 (void *)fw_bus_probe, (void *)fc);
1261 * To probe devices on the IEEE1394 bus.
1264 fw_bus_probe(struct firewire_comm *fc)
1267 struct fw_device *fwdev;
1270 fc->status = FWBUSEXPLORE;
1271 fc->retry_count = 0;
1273 /* Invalidate all devices, just after bus reset. */
1274 STAILQ_FOREACH(fwdev, &fc->devices, link)
1275 if (fwdev->status != FWDEVINVAL) {
1276 fwdev->status = FWDEVINVAL;
1281 fc->ongoaddr = CSRROMOFF;
1283 fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff;
1289 * To collect device informations on the IEEE1394 bus.
1292 fw_bus_explore(struct firewire_comm *fc )
1295 struct fw_device *fwdev, *pfwdev, *tfwdev;
1297 struct fw_xfer *xfer;
1300 if(fc->status != FWBUSEXPLORE)
1304 if(fc->ongonode == fc->nodeid) fc->ongonode++;
1306 if(fc->ongonode > fc->max_node) goto done;
1307 if(fc->ongonode >= 0x3f) goto done;
1310 /* XXX we need to check phy_id first */
1311 if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) {
1313 printf("node%d: link down\n", fc->ongonode);
1318 if(fc->ongoaddr <= CSRROMOFF &&
1319 fc->ongoeui.hi == 0xffffffff &&
1320 fc->ongoeui.lo == 0xffffffff ){
1321 fc->ongoaddr = CSRROMOFF;
1322 addr = 0xf0000000 | fc->ongoaddr;
1323 }else if(fc->ongoeui.hi == 0xffffffff ){
1324 fc->ongoaddr = CSRROMOFF + 0xc;
1325 addr = 0xf0000000 | fc->ongoaddr;
1326 }else if(fc->ongoeui.lo == 0xffffffff ){
1327 fc->ongoaddr = CSRROMOFF + 0x10;
1328 addr = 0xf0000000 | fc->ongoaddr;
1329 }else if(fc->ongodev == NULL){
1330 STAILQ_FOREACH(fwdev, &fc->devices, link)
1331 if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui))
1334 fwdev->dst = fc->ongonode;
1335 fwdev->status = FWDEVINIT;
1336 fc->ongodev = fwdev;
1337 fc->ongoaddr = CSRROMOFF;
1338 addr = 0xf0000000 | fc->ongoaddr;
1341 fwdev = malloc(sizeof(struct fw_device), M_FW,
1345 fwdev->dst = fc->ongonode;
1346 fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo;
1347 fwdev->status = FWDEVINIT;
1348 fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode];
1351 STAILQ_FOREACH(tfwdev, &fc->devices, link) {
1352 if (tfwdev->eui.hi > fwdev->eui.hi ||
1353 (tfwdev->eui.hi == fwdev->eui.hi &&
1354 tfwdev->eui.lo > fwdev->eui.lo))
1359 STAILQ_INSERT_HEAD(&fc->devices, fwdev, link);
1361 STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link);
1363 device_printf(fc->bdev, "New %s device ID:%08x%08x\n",
1364 linkspeed[fwdev->speed],
1365 fc->ongoeui.hi, fc->ongoeui.lo);
1367 fc->ongodev = fwdev;
1368 fc->ongoaddr = CSRROMOFF;
1369 addr = 0xf0000000 | fc->ongoaddr;
1371 addr = 0xf0000000 | fc->ongoaddr;
1375 xfer = asyreqq(fc, FWSPD_S100, 0, 0,
1376 ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr,
1377 fw_bus_explore_callback);
1378 if(xfer == NULL) goto done;
1380 xfer = fw_xfer_alloc(M_FWXFER);
1385 fp = &xfer->send.hdr;
1386 fp->mode.rreqq.dest_hi = 0xffff;
1387 fp->mode.rreqq.tlrt = 0;
1388 fp->mode.rreqq.tcode = FWTCODE_RREQQ;
1389 fp->mode.rreqq.pri = 0;
1390 fp->mode.rreqq.src = 0;
1391 fp->mode.rreqq.dst = FWLOCALBUS | fc->ongonode;
1392 fp->mode.rreqq.dest_lo = addr;
1393 xfer->act.hand = fw_bus_explore_callback;
1396 printf("node%d: explore addr=0x%x\n",
1397 fc->ongonode, fc->ongoaddr);
1398 err = fw_asyreq(fc, -1, xfer);
1400 fw_xfer_free( xfer);
1406 /* fw_attach_devs */
1407 fc->status = FWBUSEXPDONE;
1409 printf("bus_explore done\n");
1415 /* Portable Async. request read quad */
1417 asyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt,
1418 u_int32_t addr_hi, u_int32_t addr_lo,
1419 void (*hand) (struct fw_xfer*))
1421 struct fw_xfer *xfer;
1425 xfer = fw_xfer_alloc(M_FWXFER);
1429 xfer->send.spd = spd; /* XXX:min(spd, fc->spd) */
1430 fp = &xfer->send.hdr;
1431 fp->mode.rreqq.dest_hi = addr_hi & 0xffff;
1432 if(tl & FWP_TL_VALID){
1433 fp->mode.rreqq.tlrt = (tl & 0x3f) << 2;
1435 fp->mode.rreqq.tlrt = 0;
1437 fp->mode.rreqq.tlrt |= rt & 0x3;
1438 fp->mode.rreqq.tcode = FWTCODE_RREQQ;
1439 fp->mode.rreqq.pri = 0;
1440 fp->mode.rreqq.src = 0;
1441 fp->mode.rreqq.dst = addr_hi >> 16;
1442 fp->mode.rreqq.dest_lo = addr_lo;
1443 xfer->act.hand = hand;
1445 err = fw_asyreq(fc, -1, xfer);
1447 fw_xfer_free( xfer);
1454 * Callback for the IEEE1394 bus information collection.
1457 fw_bus_explore_callback(struct fw_xfer *xfer)
1459 struct firewire_comm *fc;
1460 struct fw_pkt *sfp,*rfp;
1461 struct csrhdr *chdr;
1462 struct csrdir *csrd;
1463 struct csrreg *csrreg;
1468 printf("xfer == NULL\n");
1474 printf("node%d: callback addr=0x%x\n",
1475 fc->ongonode, fc->ongoaddr);
1477 if(xfer->resp != 0){
1478 printf("node%d: resp=%d addr=0x%x\n",
1479 fc->ongonode, xfer->resp, fc->ongoaddr);
1483 sfp = &xfer->send.hdr;
1484 rfp = &xfer->recv.hdr;
1489 qld = (u_int32_t *)xfer->recv.buf;
1490 printf("len:%d\n", xfer->recv.len);
1491 for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){
1492 printf("0x%08x ", rfp->mode.ld[i/4]);
1493 if((i % 16) == 15) printf("\n");
1495 if((i % 16) != 15) printf("\n");
1498 if(fc->ongodev == NULL){
1499 if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){
1500 rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data);
1501 chdr = (struct csrhdr *)(&rfp->mode.rresq.data);
1502 /* If CSR is minimal confinguration, more investgation is not needed. */
1503 if(chdr->info_len == 1){
1505 printf("node%d: minimal config\n",
1509 fc->ongoaddr = CSRROMOFF + 0xc;
1511 }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){
1512 fc->ongoeui.hi = ntohl(rfp->mode.rresq.data);
1513 fc->ongoaddr = CSRROMOFF + 0x10;
1514 }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){
1515 fc->ongoeui.lo = ntohl(rfp->mode.rresq.data);
1516 if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) {
1518 printf("node%d: eui64 is zero.\n",
1522 fc->ongoaddr = CSRROMOFF;
1525 if (fc->ongoaddr == CSRROMOFF &&
1526 fc->ongodev->csrrom[0] == ntohl(rfp->mode.rresq.data)) {
1527 fc->ongodev->status = FWDEVATTACHED;
1530 fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data);
1531 if(fc->ongoaddr > fc->ongodev->rommax){
1532 fc->ongodev->rommax = fc->ongoaddr;
1534 csrd = SLIST_FIRST(&fc->ongocsr);
1535 if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){
1536 chdr = (struct csrhdr *)(fc->ongodev->csrrom);
1539 chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4];
1542 if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){
1543 csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4];
1544 if( csrreg->key == 0x81 || csrreg->key == 0xd1){
1545 csrd = SLIST_FIRST(&fc->csrfree);
1549 csrd->ongoaddr = fc->ongoaddr;
1550 fc->ongoaddr += csrreg->val * 4;
1551 csrd->off = fc->ongoaddr;
1552 SLIST_REMOVE_HEAD(&fc->csrfree, link);
1553 SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link);
1559 if(((fc->ongoaddr - offset)/4 > chdr->crc_len) &&
1560 (fc->ongodev->rommax < 0x414)){
1561 if(fc->ongodev->rommax <= 0x414){
1562 csrd = SLIST_FIRST(&fc->csrfree);
1563 if(csrd == NULL) goto nextnode;
1564 csrd->off = fc->ongoaddr;
1565 csrd->ongoaddr = fc->ongoaddr;
1566 SLIST_REMOVE_HEAD(&fc->csrfree, link);
1567 SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link);
1572 while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){
1576 fc->ongoaddr = csrd->ongoaddr + 4;
1577 SLIST_REMOVE_HEAD(&fc->ongocsr, link);
1578 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link);
1579 csrd = SLIST_FIRST(&fc->ongocsr);
1580 if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){
1581 chdr = (struct csrhdr *)(fc->ongodev->csrrom);
1584 chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]);
1588 if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){
1593 fw_xfer_free( xfer);
1598 if (fc->ongodev != NULL)
1599 fc->ongodev->status = FWDEVINVAL;
1601 fw_xfer_free( xfer);
1603 /* housekeeping work space */
1604 fc->ongoaddr = CSRROMOFF;
1606 fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff;
1607 while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){
1608 SLIST_REMOVE_HEAD(&fc->ongocsr, link);
1609 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link);
1616 * To attach sub-devices layer onto IEEE1394 bus.
1619 fw_attach_dev(struct firewire_comm *fc)
1621 struct fw_device *fwdev, *next;
1625 struct firewire_dev_comm *fdc;
1627 for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) {
1628 next = STAILQ_NEXT(fwdev, link);
1629 if (fwdev->status == FWDEVINIT) {
1630 fwdev->status = FWDEVATTACHED;
1631 } else if (fwdev->status == FWDEVINVAL) {
1633 if (fwdev->rcnt > hold_count) {
1635 * Remove devices which have not been seen
1638 STAILQ_REMOVE(&fc->devices, fwdev, fw_device,
1645 err = device_get_children(fc->bdev, &devlistp, &devcnt);
1648 for( i = 0 ; i < devcnt ; i++){
1649 if (device_get_state(devlistp[i]) >= DS_ATTACHED) {
1650 fdc = device_get_softc(devlistp[i]);
1651 if (fdc->post_explore != NULL)
1652 fdc->post_explore(fdc);
1655 free(devlistp, M_TEMP);
1657 if (fc->retry_count > 0) {
1658 printf("probe failed for %d node\n", fc->retry_count);
1660 callout_reset(&fc->retry_probe_callout, hz*2,
1661 (void *)fc->ibr, (void *)fc);
1668 * To allocate uniq transaction label.
1671 fw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer)
1674 struct tlabel *tl, *tmptl;
1676 static u_int32_t label = 0;
1679 for( i = 0 ; i < 0x40 ; i ++){
1680 label = (label + 1) & 0x3f;
1681 for(tmptl = STAILQ_FIRST(&fc->tlabels[label]);
1682 tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){
1683 if (tmptl->xfer->send.hdr.mode.hdr.dst ==
1684 xfer->send.hdr.mode.hdr.dst)
1688 tl = malloc(sizeof(struct tlabel), M_FW, M_WAITOK);
1690 STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link);
1692 if (firewire_debug > 1)
1693 printf("fw_get_tlabel: dst=%d tl=%d\n",
1694 xfer->send.hdr.mode.hdr.dst, label);
1700 printf("fw_get_tlabel: no free tlabel\n");
1705 fw_rcv_copy(struct fw_rcv_buf *rb)
1709 struct tcode_info *tinfo;
1710 u_int res, i, len, plen;
1712 rb->xfer->recv.spd -= rb->spd;
1714 pkt = (struct fw_pkt *)rb->vec->iov_base;
1715 tinfo = &rb->fc->tcode[pkt->mode.hdr.tcode];
1718 p = (u_char *)&rb->xfer->recv.hdr;
1719 bcopy(rb->vec->iov_base, p, tinfo->hdr_len);
1720 rb->vec->iov_base = (uint8_t *)rb->vec->iov_base + tinfo->hdr_len;
1721 rb->vec->iov_len -= tinfo->hdr_len;
1724 p = (u_char *)rb->xfer->recv.payload;
1725 res = rb->xfer->recv.pay_len;
1727 /* special handling for RRESQ */
1728 if (pkt->mode.hdr.tcode == FWTCODE_RRESQ &&
1729 p != NULL && res >= sizeof(u_int32_t)) {
1730 *(u_int32_t *)p = pkt->mode.rresq.data;
1731 rb->xfer->recv.pay_len = sizeof(u_int32_t);
1735 if ((tinfo->flag & FWTI_BLOCK_ASY) == 0)
1738 plen = pkt->mode.rresb.len;
1740 for (i = 0; i < rb->nvec; i++, rb->vec++) {
1741 len = MIN(rb->vec->iov_len, plen);
1743 printf("rcv buffer(%d) is %d bytes short.\n",
1744 rb->xfer->recv.pay_len, len - res);
1747 bcopy(rb->vec->iov_base, p, len);
1751 if (res == 0 || plen == 0)
1754 rb->xfer->recv.pay_len -= res;
1759 * Generic packet receving process.
1762 fw_rcv(struct fw_rcv_buf *rb)
1764 struct fw_pkt *fp, *resfp;
1765 struct fw_bind *bind;
1767 int i, len, oldstate;
1772 qld = (u_int32_t *)buf;
1773 printf("spd %d len:%d\n", spd, len);
1774 for( i = 0 ; i <= len && i < 32; i+= 4){
1775 printf("0x%08x ", ntohl(qld[i/4]));
1776 if((i % 16) == 15) printf("\n");
1778 if((i % 16) != 15) printf("\n");
1781 fp = (struct fw_pkt *)rb->vec[0].iov_base;
1782 tcode = fp->mode.common.tcode;
1788 rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src,
1789 fp->mode.hdr.tlrt >> 2);
1790 if(rb->xfer == NULL) {
1791 printf("fw_rcv: unknown response "
1792 "%s(%x) src=0x%x tl=0x%x rt=%d data=0x%x\n",
1793 tcode_str[tcode], tcode,
1795 fp->mode.hdr.tlrt >> 2,
1796 fp->mode.hdr.tlrt & 3,
1797 fp->mode.rresq.data);
1799 printf("try ad-hoc work around!!\n");
1800 rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src,
1801 (fp->mode.hdr.tlrt >> 2)^3);
1802 if (rb->xfer == NULL) {
1803 printf("no use...\n");
1811 if (rb->xfer->recv.hdr.mode.wres.rtcode != RESP_CMP)
1812 rb->xfer->resp = EIO;
1815 /* make sure the packet is drained in AT queue */
1816 oldstate = rb->xfer->state;
1817 rb->xfer->state = FWXF_RCVD;
1820 fw_xfer_done(rb->xfer);
1825 printf("not sent yet tl=%x\n", rb->xfer->tl);
1829 printf("unexpected state %d\n", rb->xfer->state);
1837 bind = fw_bindlookup(rb->fc, fp->mode.rreqq.dest_hi,
1838 fp->mode.rreqq.dest_lo);
1840 printf("Unknown service addr 0x%04x:0x%08x %s(%x)"
1841 " src=0x%x data=%x\n",
1842 fp->mode.wreqq.dest_hi, fp->mode.wreqq.dest_lo,
1843 tcode_str[tcode], tcode,
1844 fp->mode.hdr.src, ntohl(fp->mode.wreqq.data));
1845 if (rb->fc->status == FWBUSRESET) {
1846 printf("fw_rcv: cannot respond(bus reset)!\n");
1849 rb->xfer = fw_xfer_alloc(M_FWXFER);
1850 if(rb->xfer == NULL){
1853 rb->xfer->send.spd = rb->spd;
1854 rb->xfer->send.pay_len = 0;
1855 resfp = &rb->xfer->send.hdr;
1859 resfp->mode.hdr.tcode = FWTCODE_WRES;
1862 resfp->mode.hdr.tcode = FWTCODE_RRESQ;
1865 resfp->mode.hdr.tcode = FWTCODE_RRESB;
1868 resfp->mode.hdr.tcode = FWTCODE_LRES;
1871 resfp->mode.hdr.dst = fp->mode.hdr.src;
1872 resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt;
1873 resfp->mode.hdr.pri = fp->mode.hdr.pri;
1874 resfp->mode.rresb.rtcode = RESP_ADDRESS_ERROR;
1875 resfp->mode.rresb.extcode = 0;
1876 resfp->mode.rresb.len = 0;
1878 rb->xfer->act.hand = fw_asy_callback;
1880 rb->xfer->act.hand = fw_xfer_free;
1881 if(fw_asyreq(rb->fc, -1, rb->xfer)){
1882 fw_xfer_free(rb->xfer);
1888 for (i = 0; i < rb->nvec; i ++)
1889 len += rb->vec[i].iov_len;
1890 switch(bind->act_type){
1893 rb->xfer = STAILQ_FIRST(&bind->xferlist);
1894 if (rb->xfer == NULL) {
1895 printf("Discard a packet for this bind.\n");
1898 STAILQ_REMOVE_HEAD(&bind->xferlist, link);
1900 rb->xfer->act.hand(rb->xfer);
1904 if(rb->fc->ir[bind->sub]->queued >=
1905 rb->fc->ir[bind->sub]->maxq){
1906 device_printf(rb->fc->bdev,
1907 "Discard a packet %x %d\n",
1909 rb->fc->ir[bind->sub]->queued);
1912 rb->xfer = STAILQ_FIRST(&bind->xferlist);
1913 if (rb->xfer == NULL) {
1914 printf("Discard packet for this bind\n");
1917 STAILQ_REMOVE_HEAD(&bind->xferlist, link);
1920 rb->fc->ir[bind->sub]->queued++;
1921 STAILQ_INSERT_TAIL(&rb->fc->ir[bind->sub]->q,
1925 wakeup((caddr_t)rb->fc->ir[bind->sub]);
1934 #if 0 /* shouldn't happen ?? or for GASP */
1935 case FWTCODE_STREAM:
1937 struct fw_xferq *xferq;
1939 xferq = rb->fc->ir[sub];
1941 printf("stream rcv dma %d len %d off %d spd %d\n",
1942 sub, len, off, spd);
1944 if(xferq->queued >= xferq->maxq) {
1945 printf("receive queue is full\n");
1948 /* XXX get xfer from xfer queue, we don't need copy for
1950 rb->xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */
1952 if (rb->xfer == NULL) goto err;
1956 STAILQ_INSERT_TAIL(&xferq->q, rb->xfer, link);
1958 sc = device_get_softc(rb->fc->bdev);
1959 #if defined(__DragonFly__) || __FreeBSD_version < 500000
1960 if (&xferq->rsel.si_pid != 0)
1962 if (SEL_WAITING(&xferq->rsel))
1964 selwakeuppri(&xferq->rsel, FWPRI);
1965 if (xferq->flag & FWXFERQ_WAKEUP) {
1966 xferq->flag &= ~FWXFERQ_WAKEUP;
1967 wakeup((caddr_t)xferq);
1969 if (xferq->flag & FWXFERQ_HANDLER) {
1977 printf("fw_rcv: unknow tcode %d\n", tcode);
1985 * Post process for Bus Manager election process.
1988 fw_try_bmr_callback(struct fw_xfer *xfer)
1990 struct firewire_comm *fc;
1996 if (xfer->resp != 0)
1998 if (xfer->recv.payload == NULL)
2000 if (xfer->recv.hdr.mode.lres.rtcode != FWRCODE_COMPLETE)
2003 bmr = ntohl(xfer->recv.payload[0]);
2007 CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f);
2008 fw_xfer_free_buf(xfer);
2013 device_printf(fc->bdev, "bus manager election failed\n");
2014 fw_xfer_free_buf(xfer);
2019 * To candidate Bus Manager election process.
2022 fw_try_bmr(void *arg)
2024 struct fw_xfer *xfer;
2025 struct firewire_comm *fc = (struct firewire_comm *)arg;
2029 xfer = fw_xfer_alloc_buf(M_FWXFER, 8, 4);
2034 fc->status = FWBUSMGRELECT;
2036 fp = &xfer->send.hdr;
2037 fp->mode.lreq.dest_hi = 0xffff;
2038 fp->mode.lreq.tlrt = 0;
2039 fp->mode.lreq.tcode = FWTCODE_LREQ;
2040 fp->mode.lreq.pri = 0;
2041 fp->mode.lreq.src = 0;
2042 fp->mode.lreq.len = 8;
2043 fp->mode.lreq.extcode = EXTCODE_CMP_SWAP;
2044 fp->mode.lreq.dst = FWLOCALBUS | fc->irm;
2045 fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID;
2046 xfer->send.payload[0] = htonl(0x3f);
2047 xfer->send.payload[1] = htonl(fc->nodeid);
2048 xfer->act.hand = fw_try_bmr_callback;
2050 err = fw_asyreq(fc, -1, xfer);
2052 fw_xfer_free_buf(xfer);
2060 * Software implementation for physical memory block access.
2061 * XXX:Too slow, usef for debug purpose only.
2064 fw_vmaccess(struct fw_xfer *xfer){
2065 struct fw_pkt *rfp, *sfp = NULL;
2066 u_int32_t *ld = (u_int32_t *)xfer->recv.buf;
2068 printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n",
2069 xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
2070 printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
2071 if(xfer->resp != 0){
2072 fw_xfer_free( xfer);
2075 if(xfer->recv.buf == NULL){
2076 fw_xfer_free( xfer);
2079 rfp = (struct fw_pkt *)xfer->recv.buf;
2080 switch(rfp->mode.hdr.tcode){
2081 /* XXX need fix for 64bit arch */
2083 xfer->send.buf = malloc(12, M_FW, M_WAITOK);
2084 xfer->send.len = 12;
2085 sfp = (struct fw_pkt *)xfer->send.buf;
2086 bcopy(rfp->mode.wreqb.payload,
2087 (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len));
2088 sfp->mode.wres.tcode = FWTCODE_WRES;
2089 sfp->mode.wres.rtcode = 0;
2092 xfer->send.buf = malloc(12, M_FW, M_WAITOK);
2093 xfer->send.len = 12;
2094 sfp->mode.wres.tcode = FWTCODE_WRES;
2095 *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data;
2096 sfp->mode.wres.rtcode = 0;
2099 xfer->send.buf = malloc(16 + rfp->mode.rreqb.len, M_FW, M_WAITOK);
2100 xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len);
2101 sfp = (struct fw_pkt *)xfer->send.buf;
2102 bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo),
2103 sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len));
2104 sfp->mode.rresb.tcode = FWTCODE_RRESB;
2105 sfp->mode.rresb.len = rfp->mode.rreqb.len;
2106 sfp->mode.rresb.rtcode = 0;
2107 sfp->mode.rresb.extcode = 0;
2110 xfer->send.buf = malloc(16, M_FW, M_WAITOK);
2111 xfer->send.len = 16;
2112 sfp = (struct fw_pkt *)xfer->send.buf;
2113 sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo));
2114 sfp->mode.wres.tcode = FWTCODE_RRESQ;
2115 sfp->mode.rresb.rtcode = 0;
2118 fw_xfer_free( xfer);
2121 sfp->mode.hdr.dst = rfp->mode.hdr.src;
2122 xfer->dst = ntohs(rfp->mode.hdr.src);
2123 xfer->act.hand = fw_xfer_free;
2124 xfer->retry_req = fw_asybusy;
2126 sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt;
2127 sfp->mode.hdr.pri = 0;
2129 fw_asyreq(xfer->fc, -1, xfer);
2136 * CRC16 check-sum for IEEE1394 register blocks.
2139 fw_crc16(u_int32_t *ptr, u_int32_t len){
2140 u_int32_t i, sum, crc = 0;
2142 len = (len + 3) & ~3;
2143 for(i = 0 ; i < len ; i+= 4){
2144 for( shift = 28 ; shift >= 0 ; shift -= 4){
2145 sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf;
2146 crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum;
2150 return((u_int16_t) crc);
2154 fw_bmr(struct firewire_comm *fc)
2156 struct fw_device fwdev;
2157 union fw_self_id *self_id;
2161 /* Check to see if the current root node is cycle master capable */
2162 self_id = &fc->topology_map->self_id[fc->max_node];
2163 if (fc->max_node > 0) {
2164 /* XXX check cmc bit of businfo block rather than contender */
2165 if (self_id->p0.link_active && self_id->p0.contender)
2166 cmstr = fc->max_node;
2168 device_printf(fc->bdev,
2169 "root node is not cycle master capable\n");
2170 /* XXX shall we be the cycle master? */
2172 /* XXX need bus reset */
2177 device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID));
2178 if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) {
2179 /* We are not the bus manager */
2185 /* Optimize gapcount */
2186 if(fc->max_hop <= MAX_GAPHOP )
2187 fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]);
2188 /* If we are the cycle master, nothing to do */
2189 if (cmstr == fc->nodeid || cmstr == -1)
2191 /* Bus probe has not finished, make dummy fwdev for cmstr */
2192 bzero(&fwdev, sizeof(fwdev));
2196 fwdev.maxrec = 8; /* 512 */
2197 fwdev.status = FWDEVINIT;
2198 /* Set cmstr bit on the cycle master */
2199 quad = htonl(1 << 8);
2200 fwmem_write_quad(&fwdev, NULL, 0/*spd*/,
2201 0xffff, 0xf0000000 | STATE_SET, &quad, fw_asy_callback_free);
2207 fw_modevent(module_t mode, int type, void *data)
2210 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2211 static eventhandler_tag fwdev_ehtag = NULL;
2216 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2217 fwdev_ehtag = EVENTHANDLER_REGISTER(dev_clone,
2218 fwdev_clone, 0, 1000);
2222 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2223 if (fwdev_ehtag != NULL)
2224 EVENTHANDLER_DEREGISTER(dev_clone, fwdev_ehtag);
2233 DECLARE_DUMMY_MODULE(firewire);
2234 DRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,fw_modevent,0);
2235 MODULE_VERSION(firewire, 1);