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 1.15 2006/09/05 00:55:35 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>
47 #include <sys/thread2.h>
49 #if defined(__DragonFly__) || __FreeBSD_version < 500000
50 #include <machine/clock.h> /* for DELAY() */
53 #include <sys/bus.h> /* used by smbus and newbus */
54 #include <machine/bus.h>
58 #include "firewirereg.h"
63 #include <dev/firewire/firewire.h>
64 #include <dev/firewire/firewirereg.h>
65 #include <dev/firewire/fwmem.h>
66 #include <dev/firewire/iec13213.h>
67 #include <dev/firewire/iec68113.h>
72 struct crom_chunk root;
73 struct crom_chunk vendor;
77 int firewire_debug=0, try_bmr=1, hold_count=3;
78 SYSCTL_INT(_debug, OID_AUTO, firewire_debug, CTLFLAG_RW, &firewire_debug, 0,
79 "FireWire driver debug flag");
80 SYSCTL_NODE(_hw, OID_AUTO, firewire, CTLFLAG_RD, 0, "FireWire Subsystem");
81 SYSCTL_INT(_hw_firewire, OID_AUTO, try_bmr, CTLFLAG_RW, &try_bmr, 0,
82 "Try to be a bus manager");
83 SYSCTL_INT(_hw_firewire, OID_AUTO, hold_count, CTLFLAG_RW, &hold_count, 0,
84 "Number of count of bus resets for removing lost device information");
86 MALLOC_DEFINE(M_FW, "firewire", "FireWire");
87 MALLOC_DEFINE(M_FWXFER, "fw_xfer", "XFER/FireWire");
89 #define FW_MAXASYRTY 4
91 devclass_t firewire_devclass;
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, 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 *);
117 * note: bus_generic_identify() will automatically install a "firewire"
118 * device under any attached fwohci device.
120 static device_method_t firewire_methods[] = {
121 /* Device interface */
122 DEVMETHOD(device_identify, bus_generic_identify),
123 DEVMETHOD(device_probe, firewire_probe),
124 DEVMETHOD(device_attach, firewire_attach),
125 DEVMETHOD(device_detach, firewire_detach),
126 DEVMETHOD(device_suspend, bus_generic_suspend),
127 DEVMETHOD(device_resume, firewire_resume),
128 DEVMETHOD(device_shutdown, bus_generic_shutdown),
131 DEVMETHOD(bus_add_child, firewire_add_child),
132 DEVMETHOD(bus_print_child, bus_generic_print_child),
136 char *linkspeed[] = {
137 "S100", "S200", "S400", "S800",
138 "S1600", "S3200", "undef", "undef"
141 static char *tcode_str[] = {
142 "WREQQ", "WREQB", "WRES", "undef",
143 "RREQQ", "RREQB", "RRESQ", "RRESB",
144 "CYCS", "LREQ", "STREAM", "LRES",
145 "undef", "undef", "PHY", "undef"
148 /* IEEE-1394a Table C-2 Gap count as a function of hops*/
149 #define MAX_GAPHOP 15
150 u_int gap_cnt[] = { 5, 5, 7, 8, 10, 13, 16, 18,
151 21, 24, 26, 29, 32, 35, 37, 40};
153 static driver_t firewire_driver = {
156 sizeof(struct firewire_softc),
160 * Lookup fwdev by node id.
163 fw_noderesolve_nodeid(struct firewire_comm *fc, int dst)
165 struct fw_device *fwdev;
168 STAILQ_FOREACH(fwdev, &fc->devices, link)
169 if (fwdev->dst == dst && fwdev->status != FWDEVINVAL)
177 * Lookup fwdev by EUI64.
180 fw_noderesolve_eui64(struct firewire_comm *fc, struct fw_eui64 *eui)
182 struct fw_device *fwdev;
185 STAILQ_FOREACH(fwdev, &fc->devices, link)
186 if (FW_EUI64_EQUAL(fwdev->eui, *eui))
190 if(fwdev == NULL) return NULL;
191 if(fwdev->status == FWDEVINVAL) return NULL;
196 * Async. request procedure for userland application.
199 fw_asyreq(struct firewire_comm *fc, int sub, struct fw_xfer *xfer)
202 struct fw_xferq *xferq;
206 struct tcode_info *info;
208 if(xfer == NULL) return EINVAL;
209 if(xfer->act.hand == NULL){
210 printf("act.hand == NULL\n");
213 fp = &xfer->send.hdr;
215 tcode = fp->mode.common.tcode & 0xf;
216 info = &fc->tcode[tcode];
217 if (info->flag == 0) {
218 printf("invalid tcode=%x\n", tcode);
221 if (info->flag & FWTI_REQ)
226 if (xfer->send.pay_len > MAXREC(fc->maxrec)) {
227 printf("send.pay_len > maxrec\n");
230 if (info->flag & FWTI_BLOCK_STR)
231 len = fp->mode.stream.len;
232 else if (info->flag & FWTI_BLOCK_ASY)
233 len = fp->mode.rresb.len;
236 if (len != xfer->send.pay_len){
237 printf("len(%d) != send.pay_len(%d) %s(%x)\n",
238 len, xfer->send.pay_len, tcode_str[tcode], tcode);
242 if(xferq->start == NULL){
243 printf("xferq->start == NULL\n");
246 if(!(xferq->queued < xferq->maxq)){
247 device_printf(fc->bdev, "Discard a packet (queued=%d)\n",
252 microtime(&xfer->tv);
253 if (info->flag & FWTI_TLABEL) {
254 if((tl = fw_get_tlabel(fc, xfer)) == -1 )
256 fp->mode.hdr.tlrt = tl << 2;
263 xfer->retry_req = fw_asybusy;
269 * Wakeup blocked process.
272 fw_asy_callback(struct fw_xfer *xfer){
277 * Postpone to later retry.
280 fw_asybusy(struct fw_xfer *xfer)
282 printf("fw_asybusy\n");
284 xfer->ch = timeout((timeout_t *)fw_asystart, (void *)xfer, 20000);
294 * Async. request with given xfer structure.
297 fw_asystart(struct fw_xfer *xfer)
299 struct firewire_comm *fc = xfer->fc;
301 if(xfer->retry++ >= fc->max_asyretry){
302 device_printf(fc->bdev, "max_asyretry exceeded\n");
304 xfer->state = FWXF_BUSY;
305 xfer->act.hand(xfer);
308 #if 0 /* XXX allow bus explore packets only after bus rest */
309 if (fc->status < FWBUSEXPLORE) {
311 xfer->state = FWXF_BUSY;
312 if (xfer->act.hand != NULL)
313 xfer->act.hand(xfer);
318 xfer->state = FWXF_INQ;
319 STAILQ_INSERT_TAIL(&xfer->q->q, xfer, link);
322 /* XXX just queue for mbuf */
323 if (xfer->mbuf == NULL)
329 firewire_probe(device_t dev)
331 device_set_desc(dev, "IEEE1394(FireWire) bus");
336 firewire_xfer_timeout(struct firewire_comm *fc)
338 struct fw_xfer *xfer;
341 struct timeval split_timeout;
344 split_timeout.tv_sec = 0;
345 split_timeout.tv_usec = 200 * 1000; /* 200 msec */
348 timevalsub(&tv, &split_timeout);
351 for (i = 0; i < 0x40; i ++) {
352 while ((tl = STAILQ_FIRST(&fc->tlabels[i])) != NULL) {
354 if (timevalcmp(&xfer->tv, &tv, >))
355 /* the rests are newer than this */
357 if (xfer->state == FWXF_START)
360 device_printf(fc->bdev,
361 "split transaction timeout dst=0x%x tl=0x%x state=%d\n",
362 xfer->send.hdr.mode.hdr.dst, i, xfer->state);
363 xfer->resp = ETIMEDOUT;
364 STAILQ_REMOVE_HEAD(&fc->tlabels[i], link);
371 #define WATCHDOC_HZ 10
373 firewire_watchdog(void *arg)
375 struct firewire_comm *fc;
376 static int watchdoc_clock = 0;
378 fc = (struct firewire_comm *)arg;
381 * At boot stage, the device interrupt is disabled and
382 * We encounter a timeout easily. To avoid this,
383 * ignore clock interrupt for a while.
385 if (watchdoc_clock > WATCHDOC_HZ * 15) {
386 firewire_xfer_timeout(fc);
391 callout_reset(&fc->timeout_callout, hz / WATCHDOC_HZ,
392 (void *)firewire_watchdog, (void *)fc);
396 * The attach routine.
399 firewire_attach(device_t dev)
402 struct firewire_softc *sc = device_get_softc(dev);
403 device_t pa = device_get_parent(dev);
404 struct firewire_comm *fc;
406 fc = (struct firewire_comm *)device_get_softc(pa);
408 fc->status = FWBUSNOTREADY;
410 unit = device_get_unit(dev);
411 if( fc->nisodma > FWMAXNDMA) fc->nisodma = FWMAXNDMA;
415 CALLOUT_INIT(&sc->fc->timeout_callout);
416 CALLOUT_INIT(&sc->fc->bmr_callout);
417 CALLOUT_INIT(&sc->fc->retry_probe_callout);
418 CALLOUT_INIT(&sc->fc->busprobe_callout);
420 callout_reset(&sc->fc->timeout_callout, hz,
421 (void *)firewire_watchdog, (void *)sc->fc);
423 /* Locate our children */
424 bus_generic_probe(dev);
426 /* launch attachement of the added children */
427 bus_generic_attach(dev);
437 * Attach it as child.
440 firewire_add_child(device_t bus, device_t parent, int order, const char *name, int unit)
443 struct firewire_softc *sc;
445 sc = (struct firewire_softc *)device_get_softc(parent);
446 child = device_add_child(parent, name, unit);
448 device_set_ivars(child, sc->fc);
449 device_probe_and_attach(child);
456 firewire_resume(device_t dev)
458 struct firewire_softc *sc;
460 sc = (struct firewire_softc *)device_get_softc(dev);
461 sc->fc->status = FWBUSNOTREADY;
463 bus_generic_resume(dev);
472 firewire_detach(device_t dev)
474 struct firewire_softc *sc;
475 struct csrdir *csrd, *next;
476 struct fw_device *fwdev, *fwdev_next;
479 sc = (struct firewire_softc *)device_get_softc(dev);
480 if ((err = fwdev_destroydev(sc)) != 0)
483 if ((err = bus_generic_detach(dev)) != 0)
486 callout_stop(&sc->fc->timeout_callout);
487 callout_stop(&sc->fc->bmr_callout);
488 callout_stop(&sc->fc->retry_probe_callout);
489 callout_stop(&sc->fc->busprobe_callout);
491 /* XXX xfree_free and untimeout on all xfers */
492 for (fwdev = STAILQ_FIRST(&sc->fc->devices); fwdev != NULL;
493 fwdev = fwdev_next) {
494 fwdev_next = STAILQ_NEXT(fwdev, link);
497 for (csrd = SLIST_FIRST(&sc->fc->csrfree); csrd != NULL; csrd = next) {
498 next = SLIST_NEXT(csrd, link);
501 kfree(sc->fc->topology_map, M_FW);
502 kfree(sc->fc->speed_map, M_FW);
503 kfree(sc->fc->crom_src_buf, M_FW);
508 firewire_shutdown( device_t dev )
516 fw_xferq_drain(struct fw_xferq *xferq)
518 struct fw_xfer *xfer;
520 while ((xfer = STAILQ_FIRST(&xferq->q)) != NULL) {
521 STAILQ_REMOVE_HEAD(&xferq->q, link);
529 fw_drain_txq(struct firewire_comm *fc)
533 fw_xferq_drain(fc->atq);
534 fw_xferq_drain(fc->ats);
535 for(i = 0; i < fc->nisodma; i++)
536 fw_xferq_drain(fc->it[i]);
540 fw_reset_csr(struct firewire_comm *fc)
544 CSRARC(fc, STATE_CLEAR)
545 = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ;
546 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR);
547 CSRARC(fc, NODE_IDS) = 0x3f;
549 CSRARC(fc, TOPO_MAP + 8) = 0;
554 for(i = 2; i < 0x100/4 - 2 ; i++){
555 CSRARC(fc, SPED_MAP + i * 4) = 0;
557 CSRARC(fc, STATE_CLEAR) = 1 << 23 | 0 << 17 | 1 << 16 | 1 << 15 | 1 << 14 ;
558 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR);
559 CSRARC(fc, RESET_START) = 0;
560 CSRARC(fc, SPLIT_TIMEOUT_HI) = 0;
561 CSRARC(fc, SPLIT_TIMEOUT_LO) = 800 << 19;
562 CSRARC(fc, CYCLE_TIME) = 0x0;
563 CSRARC(fc, BUS_TIME) = 0x0;
564 CSRARC(fc, BUS_MGR_ID) = 0x3f;
565 CSRARC(fc, BANDWIDTH_AV) = 4915;
566 CSRARC(fc, CHANNELS_AV_HI) = 0xffffffff;
567 CSRARC(fc, CHANNELS_AV_LO) = 0xffffffff;
568 CSRARC(fc, IP_CHANNELS) = (1 << 31);
570 CSRARC(fc, CONF_ROM) = 0x04 << 24;
571 CSRARC(fc, CONF_ROM + 4) = 0x31333934; /* means strings 1394 */
572 CSRARC(fc, CONF_ROM + 8) = 1 << 31 | 1 << 30 | 1 << 29 |
573 1 << 28 | 0xff << 16 | 0x09 << 8;
574 CSRARC(fc, CONF_ROM + 0xc) = 0;
576 /* DV depend CSRs see blue book */
577 CSRARC(fc, oPCR) &= ~DV_BROADCAST_ON;
578 CSRARC(fc, iPCR) &= ~DV_BROADCAST_ON;
580 CSRARC(fc, STATE_CLEAR) &= ~(1 << 23 | 1 << 15 | 1 << 14 );
581 CSRARC(fc, STATE_SET) = CSRARC(fc, STATE_CLEAR);
585 fw_init_crom(struct firewire_comm *fc)
587 struct crom_src *src;
589 fc->crom_src_buf = (struct crom_src_buf *)
590 kmalloc(sizeof(struct crom_src_buf), M_FW, M_WAITOK | M_ZERO);
591 if (fc->crom_src_buf == NULL)
594 src = &fc->crom_src_buf->src;
595 bzero(src, sizeof(struct crom_src));
597 /* BUS info sample */
598 src->hdr.info_len = 4;
600 src->businfo.bus_name = CSR_BUS_NAME_IEEE1394;
602 src->businfo.irmc = 1;
603 src->businfo.cmc = 1;
604 src->businfo.isc = 1;
605 src->businfo.bmc = 1;
606 src->businfo.pmc = 0;
607 src->businfo.cyc_clk_acc = 100;
608 src->businfo.max_rec = fc->maxrec;
609 src->businfo.max_rom = MAXROM_4;
610 src->businfo.generation = 1;
611 src->businfo.link_spd = fc->speed;
613 src->businfo.eui64.hi = fc->eui.hi;
614 src->businfo.eui64.lo = fc->eui.lo;
616 STAILQ_INIT(&src->chunk_list);
619 fc->crom_root = &fc->crom_src_buf->root;
623 fw_reset_crom(struct firewire_comm *fc)
625 struct crom_src_buf *buf;
626 struct crom_src *src;
627 struct crom_chunk *root;
629 if (fc->crom_src_buf == NULL)
632 buf = fc->crom_src_buf;
634 root = fc->crom_root;
636 STAILQ_INIT(&src->chunk_list);
638 bzero(root, sizeof(struct crom_chunk));
639 crom_add_chunk(src, NULL, root, 0);
640 crom_add_entry(root, CSRKEY_NCAP, 0x0083c0); /* XXX */
641 /* private company_id */
642 crom_add_entry(root, CSRKEY_VENDOR, CSRVAL_VENDOR_PRIVATE);
644 crom_add_simple_text(src, root, &buf->vendor, "DragonFly Project");
645 crom_add_entry(root, CSRKEY_HW, __DragonFly_cc_version);
647 crom_add_simple_text(src, root, &buf->vendor, "FreeBSD Project");
648 crom_add_entry(root, CSRKEY_HW, __FreeBSD_version);
650 crom_add_simple_text(src, root, &buf->hw, hostname);
654 * Called after bus reset.
657 fw_busreset(struct firewire_comm *fc)
659 struct firewire_dev_comm *fdc;
660 struct crom_src *src;
667 callout_stop(&fc->bmr_callout);
672 fc->status = FWBUSRESET;
676 if (device_get_children(fc->bdev, &devlistp, &devcnt) == 0) {
677 for( i = 0 ; i < devcnt ; i++)
678 if (device_get_state(devlistp[i]) >= DS_ATTACHED) {
679 fdc = device_get_softc(devlistp[i]);
680 if (fdc->post_busreset != NULL)
681 fdc->post_busreset(fdc);
683 kfree(devlistp, M_TEMP);
686 newrom = kmalloc(CROMSIZE, M_FW, M_WAITOK | M_ZERO);
687 src = &fc->crom_src_buf->src;
688 crom_load(src, (u_int32_t *)newrom, CROMSIZE);
689 if (bcmp(newrom, fc->config_rom, CROMSIZE) != 0) {
690 /* bump generation and reload */
691 src->businfo.generation ++;
692 /* generation must be between 0x2 and 0xF */
693 if (src->businfo.generation < 2)
694 src->businfo.generation ++;
695 crom_load(src, (u_int32_t *)newrom, CROMSIZE);
696 bcopy(newrom, (void *)fc->config_rom, CROMSIZE);
701 /* Call once after reboot */
703 fw_init(struct firewire_comm *fc)
708 struct fw_xfer *xfer;
712 fc->max_asyretry = FW_MAXASYRTY;
729 STAILQ_INIT(&fc->atq->q);
730 STAILQ_INIT(&fc->ats->q);
732 for( i = 0 ; i < fc->nisodma ; i ++ ){
733 fc->it[i]->queued = 0;
734 fc->ir[i]->queued = 0;
736 fc->it[i]->start = NULL;
737 fc->ir[i]->start = NULL;
739 fc->it[i]->buf = NULL;
740 fc->ir[i]->buf = NULL;
742 fc->it[i]->flag = FWXFERQ_STREAM;
743 fc->ir[i]->flag = FWXFERQ_STREAM;
745 STAILQ_INIT(&fc->it[i]->q);
746 STAILQ_INIT(&fc->ir[i]->q);
748 STAILQ_INIT(&fc->it[i]->binds);
749 STAILQ_INIT(&fc->ir[i]->binds);
752 fc->arq->maxq = FWMAXQUEUE;
753 fc->ars->maxq = FWMAXQUEUE;
754 fc->atq->maxq = FWMAXQUEUE;
755 fc->ats->maxq = FWMAXQUEUE;
757 for( i = 0 ; i < fc->nisodma ; i++){
758 fc->ir[i]->maxq = FWMAXQUEUE;
759 fc->it[i]->maxq = FWMAXQUEUE;
761 /* Initialize csr registers */
762 fc->topology_map = malloc(sizeof(struct fw_topology_map),
763 M_FW, M_WAITOK | M_ZERO);
764 fc->speed_map = malloc(sizeof(struct fw_speed_map),
765 M_FW, M_WAITOK | M_ZERO);
766 CSRARC(fc, TOPO_MAP) = 0x3f1 << 16;
767 CSRARC(fc, TOPO_MAP + 4) = 1;
768 CSRARC(fc, SPED_MAP) = 0x3f1 << 16;
769 CSRARC(fc, SPED_MAP + 4) = 1;
771 STAILQ_INIT(&fc->devices);
773 /* Initialize csr ROM work space */
774 SLIST_INIT(&fc->ongocsr);
775 SLIST_INIT(&fc->csrfree);
776 for( i = 0 ; i < FWMAXCSRDIR ; i++){
777 csrd = kmalloc(sizeof(struct csrdir), M_FW, M_WAITOK);
778 if(csrd == NULL) break;
779 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link);
782 /* Initialize Async handlers */
783 STAILQ_INIT(&fc->binds);
784 for( i = 0 ; i < 0x40 ; i++){
785 STAILQ_INIT(&fc->tlabels[i]);
788 /* DV depend CSRs see blue book */
790 CSRARC(fc, oMPR) = 0x3fff0001; /* # output channel = 1 */
791 CSRARC(fc, oPCR) = 0x8000007a;
792 for(i = 4 ; i < 0x7c/4 ; i+=4){
793 CSRARC(fc, i + oPCR) = 0x8000007a;
796 CSRARC(fc, iMPR) = 0x00ff0001; /* # input channel = 1 */
797 CSRARC(fc, iPCR) = 0x803f0000;
798 for(i = 4 ; i < 0x7c/4 ; i+=4){
799 CSRARC(fc, i + iPCR) = 0x0;
803 fc->crom_src_buf = NULL;
806 xfer = fw_xfer_alloc();
807 if(xfer == NULL) return;
809 fwb = kmalloc(sizeof (struct fw_bind), M_FW, M_WAITOK);
810 xfer->act.hand = fw_vmaccess;
816 fwb->addrlen = 0xffffffff;
822 #define BIND_CMP(addr, fwb) (((addr) < (fwb)->start)?-1:\
823 ((fwb)->end < (addr))?1:0)
826 * To lookup binded process from IEEE1394 address.
829 fw_bindlookup(struct firewire_comm *fc, u_int16_t dest_hi, u_int32_t dest_lo)
834 addr = ((u_int64_t)dest_hi << 32) | dest_lo;
835 STAILQ_FOREACH(tfw, &fc->binds, fclist)
836 if (tfw->act_type != FWACT_NULL && BIND_CMP(addr, tfw) == 0)
842 * To bind IEEE1394 address block to process.
845 fw_bindadd(struct firewire_comm *fc, struct fw_bind *fwb)
847 struct fw_bind *tfw, *prev = NULL;
849 if (fwb->start > fwb->end) {
850 printf("%s: invalid range\n", __func__);
854 STAILQ_FOREACH(tfw, &fc->binds, fclist) {
855 if (fwb->end < tfw->start)
860 STAILQ_INSERT_HEAD(&fc->binds, fwb, fclist);
863 if (prev->end < fwb->start) {
864 STAILQ_INSERT_AFTER(&fc->binds, prev, fwb, fclist);
868 printf("%s: bind failed\n", __func__);
872 if (fwb->act_type == FWACT_CH)
873 STAILQ_INSERT_HEAD(&fc->ir[fwb->sub]->binds, fwb, chlist);
878 * To free IEEE1394 address block.
881 fw_bindremove(struct firewire_comm *fc, struct fw_bind *fwb)
884 struct fw_xfer *xfer, *next;
889 STAILQ_FOREACH(tfw, &fc->binds, fclist)
891 STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist);
895 printf("%s: no such bind\n", __func__);
900 /* shall we do this? */
901 for (xfer = STAILQ_FIRST(&fwb->xferlist); xfer != NULL; xfer = next) {
902 next = STAILQ_NEXT(xfer, link);
905 STAILQ_INIT(&fwb->xferlist);
913 * To free transaction label.
916 fw_tl_free(struct firewire_comm *fc, struct fw_xfer *xfer)
921 for( tl = STAILQ_FIRST(&fc->tlabels[xfer->tl]); tl != NULL;
922 tl = STAILQ_NEXT(tl, link)){
923 if(tl->xfer == xfer){
924 STAILQ_REMOVE(&fc->tlabels[xfer->tl], tl, tlabel, link);
933 * To obtain XFER structure by transaction label.
935 static struct fw_xfer *
936 fw_tl2xfer(struct firewire_comm *fc, int node, int tlabel)
938 struct fw_xfer *xfer;
943 for( tl = STAILQ_FIRST(&fc->tlabels[tlabel]); tl != NULL;
944 tl = STAILQ_NEXT(tl, link)){
945 if(tl->xfer->send.hdr.mode.hdr.dst == node){
948 if (firewire_debug > 2)
949 printf("fw_tl2xfer: found tl=%d\n", tlabel);
953 if (firewire_debug > 1)
954 printf("fw_tl2xfer: not found tl=%d\n", tlabel);
960 * To allocate IEEE1394 XFER structure.
963 fw_xfer_alloc(struct malloc_type *type)
965 struct fw_xfer *xfer;
967 xfer = kmalloc(sizeof(struct fw_xfer), type, M_INTWAIT | M_ZERO);
974 fw_xfer_alloc_buf(struct malloc_type *type, int send_len, int recv_len)
976 struct fw_xfer *xfer;
978 xfer = fw_xfer_alloc(type);
979 xfer->send.pay_len = send_len;
980 xfer->recv.pay_len = recv_len;
984 xfer->send.payload = kmalloc(send_len, type, M_INTWAIT | M_ZERO);
985 if (xfer->send.payload == NULL) {
991 xfer->recv.payload = kmalloc(recv_len, type, M_INTWAIT);
992 if (xfer->recv.payload == NULL) {
993 if (xfer->send.payload != NULL)
994 kfree(xfer->send.payload, type);
1003 * IEEE1394 XFER post process.
1006 fw_xfer_done(struct fw_xfer *xfer)
1008 if (xfer->act.hand == NULL) {
1009 printf("act.hand == NULL\n");
1013 if (xfer->fc == NULL)
1014 panic("fw_xfer_done: why xfer->fc is NULL?");
1016 xfer->act.hand(xfer);
1020 fw_xfer_unload(struct fw_xfer* xfer)
1022 if(xfer == NULL ) return;
1023 if(xfer->state == FWXF_INQ){
1024 printf("fw_xfer_free FWXF_INQ\n");
1026 STAILQ_REMOVE(&xfer->q->q, xfer, fw_xfer, link);
1030 if (xfer->fc != NULL) {
1032 if(xfer->state == FWXF_START)
1034 * This could happen if:
1035 * 1. We call fwohci_arcv() before fwohci_txd().
1036 * 2. firewire_watch() is called.
1038 printf("fw_xfer_free FWXF_START\n");
1040 fw_tl_free(xfer->fc, xfer);
1042 xfer->state = FWXF_INIT;
1047 * To free IEEE1394 XFER structure.
1050 fw_xfer_free_buf( struct fw_xfer* xfer)
1053 printf("%s: xfer == NULL\n", __func__);
1056 fw_xfer_unload(xfer);
1057 if(xfer->send.payload != NULL){
1058 kfree(xfer->send.payload, xfer->malloc);
1060 if(xfer->recv.payload != NULL){
1061 kfree(xfer->recv.payload, xfer->malloc);
1063 kfree(xfer, xfer->malloc);
1067 fw_xfer_free( struct fw_xfer* xfer)
1070 printf("%s: xfer == NULL\n", __func__);
1073 fw_xfer_unload(xfer);
1074 kfree(xfer, xfer->malloc);
1078 fw_asy_callback_free(struct fw_xfer *xfer)
1081 printf("asyreq done state=%d resp=%d\n",
1082 xfer->state, xfer->resp);
1091 fw_phy_config(struct firewire_comm *fc, int root_node, int gap_count)
1093 struct fw_xfer *xfer;
1096 fc->status = FWBUSPHYCONF;
1098 xfer = fw_xfer_alloc(M_FWXFER);
1102 xfer->retry_req = fw_asybusy;
1103 xfer->act.hand = fw_asy_callback_free;
1105 fp = &xfer->send.hdr;
1108 fp->mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23;
1110 fp->mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16;
1111 fp->mode.ld[2] = ~fp->mode.ld[1];
1112 /* XXX Dangerous, how to pass PHY packet to device driver */
1113 fp->mode.common.tcode |= FWTCODE_PHY;
1116 printf("send phy_config root_node=%d gap_count=%d\n",
1117 root_node, gap_count);
1118 fw_asyreq(fc, -1, xfer);
1126 fw_print_sid(u_int32_t sid)
1128 union fw_self_id *s;
1129 s = (union fw_self_id *) &sid;
1130 printf("node:%d link:%d gap:%d spd:%d del:%d con:%d pwr:%d"
1131 " p0:%d p1:%d p2:%d i:%d m:%d\n",
1132 s->p0.phy_id, s->p0.link_active, s->p0.gap_count,
1133 s->p0.phy_speed, s->p0.phy_delay, s->p0.contender,
1134 s->p0.power_class, s->p0.port0, s->p0.port1,
1135 s->p0.port2, s->p0.initiated_reset, s->p0.more_packets);
1140 * To receive self ID.
1143 fw_sidrcv(struct firewire_comm* fc, u_int32_t *sid, u_int len)
1146 union fw_self_id *self_id;
1147 u_int i, j, node, c_port = 0, i_branch = 0;
1149 fc->sid_cnt = len /(sizeof(u_int32_t) * 2);
1150 fc->status = FWBUSINIT;
1151 fc->max_node = fc->nodeid & 0x3f;
1152 CSRARC(fc, NODE_IDS) = ((u_int32_t)fc->nodeid) << 16;
1153 fc->status = FWBUSCYMELECT;
1154 fc->topology_map->crc_len = 2;
1155 fc->topology_map->generation ++;
1156 fc->topology_map->self_id_count = 0;
1157 fc->topology_map->node_count = 0;
1158 fc->speed_map->generation ++;
1159 fc->speed_map->crc_len = 1 + (64*64 + 3) / 4;
1160 self_id = &fc->topology_map->self_id[0];
1161 for(i = 0; i < fc->sid_cnt; i ++){
1162 if (sid[1] != ~sid[0]) {
1163 printf("fw_sidrcv: invalid self-id packet\n");
1167 *self_id = *((union fw_self_id *)sid);
1168 fc->topology_map->crc_len++;
1169 if(self_id->p0.sequel == 0){
1170 fc->topology_map->node_count ++;
1173 fw_print_sid(sid[0]);
1175 node = self_id->p0.phy_id;
1176 if(fc->max_node < node){
1177 fc->max_node = self_id->p0.phy_id;
1179 /* XXX I'm not sure this is the right speed_map */
1180 fc->speed_map->speed[node][node]
1181 = self_id->p0.phy_speed;
1182 for (j = 0; j < node; j ++) {
1183 fc->speed_map->speed[j][node]
1184 = fc->speed_map->speed[node][j]
1185 = min(fc->speed_map->speed[j][j],
1186 self_id->p0.phy_speed);
1188 if ((fc->irm == -1 || self_id->p0.phy_id > fc->irm) &&
1189 (self_id->p0.link_active && self_id->p0.contender)) {
1190 fc->irm = self_id->p0.phy_id;
1192 if(self_id->p0.port0 >= 0x2){
1195 if(self_id->p0.port1 >= 0x2){
1198 if(self_id->p0.port2 >= 0x2){
1203 i_branch += (c_port - 2);
1207 fc->topology_map->self_id_count ++;
1209 device_printf(fc->bdev, "%d nodes", fc->max_node + 1);
1211 fc->topology_map->crc = fw_crc16(
1212 (u_int32_t *)&fc->topology_map->generation,
1213 fc->topology_map->crc_len * 4);
1214 fc->speed_map->crc = fw_crc16(
1215 (u_int32_t *)&fc->speed_map->generation,
1216 fc->speed_map->crc_len * 4);
1217 /* byteswap and copy to CSR */
1218 p = (u_int32_t *)fc->topology_map;
1219 for (i = 0; i <= fc->topology_map->crc_len; i++)
1220 CSRARC(fc, TOPO_MAP + i * 4) = htonl(*p++);
1221 p = (u_int32_t *)fc->speed_map;
1222 CSRARC(fc, SPED_MAP) = htonl(*p++);
1223 CSRARC(fc, SPED_MAP + 4) = htonl(*p++);
1224 /* don't byte-swap u_int8_t array */
1225 bcopy(p, &CSRARC(fc, SPED_MAP + 8), (fc->speed_map->crc_len - 1)*4);
1227 fc->max_hop = fc->max_node - i_branch;
1228 printf(", maxhop <= %d", fc->max_hop);
1231 printf(", Not found IRM capable node");
1233 printf(", cable IRM = %d", fc->irm);
1234 if (fc->irm == fc->nodeid)
1239 if (try_bmr && (fc->irm != -1) && (CSRARC(fc, BUS_MGR_ID) == 0x3f)) {
1240 if (fc->irm == fc->nodeid) {
1241 fc->status = FWBUSMGRDONE;
1242 CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, fc->irm);
1245 fc->status = FWBUSMGRELECT;
1246 callout_reset(&fc->bmr_callout, hz/8,
1247 (void *)fw_try_bmr, (void *)fc);
1250 fc->status = FWBUSMGRDONE;
1252 callout_reset(&fc->busprobe_callout, hz/4,
1253 (void *)fw_bus_probe, (void *)fc);
1257 * To probe devices on the IEEE1394 bus.
1260 fw_bus_probe(struct firewire_comm *fc)
1262 struct fw_device *fwdev;
1265 fc->status = FWBUSEXPLORE;
1266 fc->retry_count = 0;
1268 /* Invalidate all devices, just after bus reset. */
1269 STAILQ_FOREACH(fwdev, &fc->devices, link)
1270 if (fwdev->status != FWDEVINVAL) {
1271 fwdev->status = FWDEVINVAL;
1276 fc->ongoaddr = CSRROMOFF;
1278 fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff;
1284 * To collect device informations on the IEEE1394 bus.
1287 fw_bus_explore(struct firewire_comm *fc )
1290 struct fw_device *fwdev, *pfwdev, *tfwdev;
1292 struct fw_xfer *xfer;
1295 if(fc->status != FWBUSEXPLORE)
1299 if(fc->ongonode == fc->nodeid) fc->ongonode++;
1301 if(fc->ongonode > fc->max_node) goto done;
1302 if(fc->ongonode >= 0x3f) goto done;
1305 /* XXX we need to check phy_id first */
1306 if (!fc->topology_map->self_id[fc->ongonode].p0.link_active) {
1308 printf("node%d: link down\n", fc->ongonode);
1313 if(fc->ongoaddr <= CSRROMOFF &&
1314 fc->ongoeui.hi == 0xffffffff &&
1315 fc->ongoeui.lo == 0xffffffff ){
1316 fc->ongoaddr = CSRROMOFF;
1317 addr = 0xf0000000 | fc->ongoaddr;
1318 }else if(fc->ongoeui.hi == 0xffffffff ){
1319 fc->ongoaddr = CSRROMOFF + 0xc;
1320 addr = 0xf0000000 | fc->ongoaddr;
1321 }else if(fc->ongoeui.lo == 0xffffffff ){
1322 fc->ongoaddr = CSRROMOFF + 0x10;
1323 addr = 0xf0000000 | fc->ongoaddr;
1324 }else if(fc->ongodev == NULL){
1325 STAILQ_FOREACH(fwdev, &fc->devices, link)
1326 if (FW_EUI64_EQUAL(fwdev->eui, fc->ongoeui))
1329 fwdev->dst = fc->ongonode;
1330 fwdev->status = FWDEVINIT;
1331 fc->ongodev = fwdev;
1332 fc->ongoaddr = CSRROMOFF;
1333 addr = 0xf0000000 | fc->ongoaddr;
1336 fwdev = kmalloc(sizeof(struct fw_device), M_FW,
1340 fwdev->dst = fc->ongonode;
1341 fwdev->eui.hi = fc->ongoeui.hi; fwdev->eui.lo = fc->ongoeui.lo;
1342 fwdev->status = FWDEVINIT;
1343 fwdev->speed = fc->speed_map->speed[fc->nodeid][fc->ongonode];
1346 STAILQ_FOREACH(tfwdev, &fc->devices, link) {
1347 if (tfwdev->eui.hi > fwdev->eui.hi ||
1348 (tfwdev->eui.hi == fwdev->eui.hi &&
1349 tfwdev->eui.lo > fwdev->eui.lo))
1354 STAILQ_INSERT_HEAD(&fc->devices, fwdev, link);
1356 STAILQ_INSERT_AFTER(&fc->devices, pfwdev, fwdev, link);
1358 device_printf(fc->bdev, "New %s device ID:%08x%08x\n",
1359 linkspeed[fwdev->speed],
1360 fc->ongoeui.hi, fc->ongoeui.lo);
1362 fc->ongodev = fwdev;
1363 fc->ongoaddr = CSRROMOFF;
1364 addr = 0xf0000000 | fc->ongoaddr;
1366 addr = 0xf0000000 | fc->ongoaddr;
1370 xfer = asyreqq(fc, FWSPD_S100, 0, 0,
1371 ((FWLOCALBUS | fc->ongonode) << 16) | 0xffff , addr,
1372 fw_bus_explore_callback);
1373 if(xfer == NULL) goto done;
1375 xfer = fw_xfer_alloc(M_FWXFER);
1380 fp = &xfer->send.hdr;
1381 fp->mode.rreqq.dest_hi = 0xffff;
1382 fp->mode.rreqq.tlrt = 0;
1383 fp->mode.rreqq.tcode = FWTCODE_RREQQ;
1384 fp->mode.rreqq.pri = 0;
1385 fp->mode.rreqq.src = 0;
1386 fp->mode.rreqq.dst = FWLOCALBUS | fc->ongonode;
1387 fp->mode.rreqq.dest_lo = addr;
1388 xfer->act.hand = fw_bus_explore_callback;
1391 printf("node%d: explore addr=0x%x\n",
1392 fc->ongonode, fc->ongoaddr);
1393 err = fw_asyreq(fc, -1, xfer);
1395 fw_xfer_free( xfer);
1401 /* fw_attach_devs */
1402 fc->status = FWBUSEXPDONE;
1404 printf("bus_explore done\n");
1410 /* Portable Async. request read quad */
1412 asyreqq(struct firewire_comm *fc, u_int8_t spd, u_int8_t tl, u_int8_t rt,
1413 u_int32_t addr_hi, u_int32_t addr_lo,
1414 void (*hand) (struct fw_xfer*))
1416 struct fw_xfer *xfer;
1420 xfer = fw_xfer_alloc(M_FWXFER);
1424 xfer->send.spd = spd; /* XXX:min(spd, fc->spd) */
1425 fp = &xfer->send.hdr;
1426 fp->mode.rreqq.dest_hi = addr_hi & 0xffff;
1427 if(tl & FWP_TL_VALID){
1428 fp->mode.rreqq.tlrt = (tl & 0x3f) << 2;
1430 fp->mode.rreqq.tlrt = 0;
1432 fp->mode.rreqq.tlrt |= rt & 0x3;
1433 fp->mode.rreqq.tcode = FWTCODE_RREQQ;
1434 fp->mode.rreqq.pri = 0;
1435 fp->mode.rreqq.src = 0;
1436 fp->mode.rreqq.dst = addr_hi >> 16;
1437 fp->mode.rreqq.dest_lo = addr_lo;
1438 xfer->act.hand = hand;
1440 err = fw_asyreq(fc, -1, xfer);
1442 fw_xfer_free( xfer);
1449 * Callback for the IEEE1394 bus information collection.
1452 fw_bus_explore_callback(struct fw_xfer *xfer)
1454 struct firewire_comm *fc;
1455 struct fw_pkt *sfp,*rfp;
1456 struct csrhdr *chdr;
1457 struct csrdir *csrd;
1458 struct csrreg *csrreg;
1463 printf("xfer == NULL\n");
1469 printf("node%d: callback addr=0x%x\n",
1470 fc->ongonode, fc->ongoaddr);
1472 if(xfer->resp != 0){
1473 printf("node%d: resp=%d addr=0x%x\n",
1474 fc->ongonode, xfer->resp, fc->ongoaddr);
1478 sfp = &xfer->send.hdr;
1479 rfp = &xfer->recv.hdr;
1484 qld = (u_int32_t *)xfer->recv.buf;
1485 printf("len:%d\n", xfer->recv.len);
1486 for( i = 0 ; i <= xfer->recv.len && i < 32; i+= 4){
1487 printf("0x%08x ", rfp->mode.ld[i/4]);
1488 if((i % 16) == 15) printf("\n");
1490 if((i % 16) != 15) printf("\n");
1493 if(fc->ongodev == NULL){
1494 if(sfp->mode.rreqq.dest_lo == (0xf0000000 | CSRROMOFF)){
1495 rfp->mode.rresq.data = ntohl(rfp->mode.rresq.data);
1496 chdr = (struct csrhdr *)(&rfp->mode.rresq.data);
1497 /* If CSR is minimal confinguration, more investgation is not needed. */
1498 if(chdr->info_len == 1){
1500 printf("node%d: minimal config\n",
1504 fc->ongoaddr = CSRROMOFF + 0xc;
1506 }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0xc))){
1507 fc->ongoeui.hi = ntohl(rfp->mode.rresq.data);
1508 fc->ongoaddr = CSRROMOFF + 0x10;
1509 }else if(sfp->mode.rreqq.dest_lo == (0xf0000000 |(CSRROMOFF + 0x10))){
1510 fc->ongoeui.lo = ntohl(rfp->mode.rresq.data);
1511 if (fc->ongoeui.hi == 0 && fc->ongoeui.lo == 0) {
1513 printf("node%d: eui64 is zero.\n",
1517 fc->ongoaddr = CSRROMOFF;
1520 if (fc->ongoaddr == CSRROMOFF &&
1521 fc->ongodev->csrrom[0] == ntohl(rfp->mode.rresq.data)) {
1522 fc->ongodev->status = FWDEVATTACHED;
1525 fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4] = ntohl(rfp->mode.rresq.data);
1526 if(fc->ongoaddr > fc->ongodev->rommax){
1527 fc->ongodev->rommax = fc->ongoaddr;
1529 csrd = SLIST_FIRST(&fc->ongocsr);
1530 if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){
1531 chdr = (struct csrhdr *)(fc->ongodev->csrrom);
1534 chdr = (struct csrhdr *)&fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4];
1537 if(fc->ongoaddr > (CSRROMOFF + 0x14) && fc->ongoaddr != offset){
1538 csrreg = (struct csrreg *)&fc->ongodev->csrrom[(fc->ongoaddr - CSRROMOFF)/4];
1539 if( csrreg->key == 0x81 || csrreg->key == 0xd1){
1540 csrd = SLIST_FIRST(&fc->csrfree);
1544 csrd->ongoaddr = fc->ongoaddr;
1545 fc->ongoaddr += csrreg->val * 4;
1546 csrd->off = fc->ongoaddr;
1547 SLIST_REMOVE_HEAD(&fc->csrfree, link);
1548 SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link);
1554 if(((fc->ongoaddr - offset)/4 > chdr->crc_len) &&
1555 (fc->ongodev->rommax < 0x414)){
1556 if(fc->ongodev->rommax <= 0x414){
1557 csrd = SLIST_FIRST(&fc->csrfree);
1558 if(csrd == NULL) goto nextnode;
1559 csrd->off = fc->ongoaddr;
1560 csrd->ongoaddr = fc->ongoaddr;
1561 SLIST_REMOVE_HEAD(&fc->csrfree, link);
1562 SLIST_INSERT_HEAD(&fc->ongocsr, csrd, link);
1567 while(((fc->ongoaddr - offset)/4 > chdr->crc_len)){
1571 fc->ongoaddr = csrd->ongoaddr + 4;
1572 SLIST_REMOVE_HEAD(&fc->ongocsr, link);
1573 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link);
1574 csrd = SLIST_FIRST(&fc->ongocsr);
1575 if((csrd = SLIST_FIRST(&fc->ongocsr)) == NULL){
1576 chdr = (struct csrhdr *)(fc->ongodev->csrrom);
1579 chdr = (struct csrhdr *)&(fc->ongodev->csrrom[(csrd->off - CSRROMOFF)/4]);
1583 if((fc->ongoaddr - CSRROMOFF) > CSRROMSIZE){
1588 fw_xfer_free( xfer);
1593 if (fc->ongodev != NULL)
1594 fc->ongodev->status = FWDEVINVAL;
1596 fw_xfer_free( xfer);
1598 /* housekeeping work space */
1599 fc->ongoaddr = CSRROMOFF;
1601 fc->ongoeui.hi = 0xffffffff; fc->ongoeui.lo = 0xffffffff;
1602 while((csrd = SLIST_FIRST(&fc->ongocsr)) != NULL){
1603 SLIST_REMOVE_HEAD(&fc->ongocsr, link);
1604 SLIST_INSERT_HEAD(&fc->csrfree, csrd, link);
1611 * To attach sub-devices layer onto IEEE1394 bus.
1614 fw_attach_dev(struct firewire_comm *fc)
1616 struct fw_device *fwdev, *next;
1620 struct firewire_dev_comm *fdc;
1622 for (fwdev = STAILQ_FIRST(&fc->devices); fwdev != NULL; fwdev = next) {
1623 next = STAILQ_NEXT(fwdev, link);
1624 if (fwdev->status == FWDEVINIT) {
1625 fwdev->status = FWDEVATTACHED;
1626 } else if (fwdev->status == FWDEVINVAL) {
1628 if (fwdev->rcnt > hold_count) {
1630 * Remove devices which have not been seen
1633 STAILQ_REMOVE(&fc->devices, fwdev, fw_device,
1640 err = device_get_children(fc->bdev, &devlistp, &devcnt);
1643 for( i = 0 ; i < devcnt ; i++){
1644 if (device_get_state(devlistp[i]) >= DS_ATTACHED) {
1645 fdc = device_get_softc(devlistp[i]);
1646 if (fdc->post_explore != NULL)
1647 fdc->post_explore(fdc);
1650 kfree(devlistp, M_TEMP);
1652 if (fc->retry_count > 0) {
1653 printf("probe failed for %d node\n", fc->retry_count);
1655 callout_reset(&fc->retry_probe_callout, hz*2,
1656 (void *)fc->ibr, (void *)fc);
1663 * To allocate uniq transaction label.
1666 fw_get_tlabel(struct firewire_comm *fc, struct fw_xfer *xfer)
1669 struct tlabel *tl, *tmptl;
1670 static u_int32_t label = 0;
1673 for( i = 0 ; i < 0x40 ; i ++){
1674 label = (label + 1) & 0x3f;
1675 for(tmptl = STAILQ_FIRST(&fc->tlabels[label]);
1676 tmptl != NULL; tmptl = STAILQ_NEXT(tmptl, link)){
1677 if (tmptl->xfer->send.hdr.mode.hdr.dst ==
1678 xfer->send.hdr.mode.hdr.dst)
1682 tl = kmalloc(sizeof(struct tlabel), M_FW, M_WAITOK);
1684 STAILQ_INSERT_TAIL(&fc->tlabels[label], tl, link);
1686 if (firewire_debug > 1)
1687 printf("fw_get_tlabel: dst=%d tl=%d\n",
1688 xfer->send.hdr.mode.hdr.dst, label);
1694 printf("fw_get_tlabel: no free tlabel\n");
1699 fw_rcv_copy(struct fw_rcv_buf *rb)
1703 struct tcode_info *tinfo;
1704 u_int res, i, len, plen;
1706 rb->xfer->recv.spd -= rb->spd;
1708 pkt = (struct fw_pkt *)rb->vec->iov_base;
1709 tinfo = &rb->fc->tcode[pkt->mode.hdr.tcode];
1712 p = (u_char *)&rb->xfer->recv.hdr;
1713 bcopy(rb->vec->iov_base, p, tinfo->hdr_len);
1714 rb->vec->iov_base = (uint8_t *)rb->vec->iov_base + tinfo->hdr_len;
1715 rb->vec->iov_len -= tinfo->hdr_len;
1718 p = (u_char *)rb->xfer->recv.payload;
1719 res = rb->xfer->recv.pay_len;
1721 /* special handling for RRESQ */
1722 if (pkt->mode.hdr.tcode == FWTCODE_RRESQ &&
1723 p != NULL && res >= sizeof(u_int32_t)) {
1724 *(u_int32_t *)p = pkt->mode.rresq.data;
1725 rb->xfer->recv.pay_len = sizeof(u_int32_t);
1729 if ((tinfo->flag & FWTI_BLOCK_ASY) == 0)
1732 plen = pkt->mode.rresb.len;
1734 for (i = 0; i < rb->nvec; i++, rb->vec++) {
1735 len = MIN(rb->vec->iov_len, plen);
1737 printf("rcv buffer(%d) is %d bytes short.\n",
1738 rb->xfer->recv.pay_len, len - res);
1741 bcopy(rb->vec->iov_base, p, len);
1745 if (res == 0 || plen == 0)
1748 rb->xfer->recv.pay_len -= res;
1753 * Generic packet receving process.
1756 fw_rcv(struct fw_rcv_buf *rb)
1758 struct fw_pkt *fp, *resfp;
1759 struct fw_bind *bind;
1761 int i, len, oldstate;
1766 qld = (u_int32_t *)buf;
1767 printf("spd %d len:%d\n", spd, len);
1768 for( i = 0 ; i <= len && i < 32; i+= 4){
1769 printf("0x%08x ", ntohl(qld[i/4]));
1770 if((i % 16) == 15) printf("\n");
1772 if((i % 16) != 15) printf("\n");
1775 fp = (struct fw_pkt *)rb->vec[0].iov_base;
1776 tcode = fp->mode.common.tcode;
1782 rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src,
1783 fp->mode.hdr.tlrt >> 2);
1784 if(rb->xfer == NULL) {
1785 printf("fw_rcv: unknown response "
1786 "%s(%x) src=0x%x tl=0x%x rt=%d data=0x%x\n",
1787 tcode_str[tcode], tcode,
1789 fp->mode.hdr.tlrt >> 2,
1790 fp->mode.hdr.tlrt & 3,
1791 fp->mode.rresq.data);
1793 printf("try ad-hoc work around!!\n");
1794 rb->xfer = fw_tl2xfer(rb->fc, fp->mode.hdr.src,
1795 (fp->mode.hdr.tlrt >> 2)^3);
1796 if (rb->xfer == NULL) {
1797 printf("no use...\n");
1805 if (rb->xfer->recv.hdr.mode.wres.rtcode != RESP_CMP)
1806 rb->xfer->resp = EIO;
1809 /* make sure the packet is drained in AT queue */
1810 oldstate = rb->xfer->state;
1811 rb->xfer->state = FWXF_RCVD;
1814 fw_xfer_done(rb->xfer);
1819 printf("not sent yet tl=%x\n", rb->xfer->tl);
1823 printf("unexpected state %d\n", rb->xfer->state);
1831 bind = fw_bindlookup(rb->fc, fp->mode.rreqq.dest_hi,
1832 fp->mode.rreqq.dest_lo);
1834 printf("Unknown service addr 0x%04x:0x%08x %s(%x)"
1835 " src=0x%x data=%x\n",
1836 fp->mode.wreqq.dest_hi, fp->mode.wreqq.dest_lo,
1837 tcode_str[tcode], tcode,
1838 fp->mode.hdr.src, ntohl(fp->mode.wreqq.data));
1839 if (rb->fc->status == FWBUSRESET) {
1840 printf("fw_rcv: cannot respond(bus reset)!\n");
1843 rb->xfer = fw_xfer_alloc(M_FWXFER);
1844 if(rb->xfer == NULL){
1847 rb->xfer->send.spd = rb->spd;
1848 rb->xfer->send.pay_len = 0;
1849 resfp = &rb->xfer->send.hdr;
1853 resfp->mode.hdr.tcode = FWTCODE_WRES;
1856 resfp->mode.hdr.tcode = FWTCODE_RRESQ;
1859 resfp->mode.hdr.tcode = FWTCODE_RRESB;
1862 resfp->mode.hdr.tcode = FWTCODE_LRES;
1865 resfp->mode.hdr.dst = fp->mode.hdr.src;
1866 resfp->mode.hdr.tlrt = fp->mode.hdr.tlrt;
1867 resfp->mode.hdr.pri = fp->mode.hdr.pri;
1868 resfp->mode.rresb.rtcode = RESP_ADDRESS_ERROR;
1869 resfp->mode.rresb.extcode = 0;
1870 resfp->mode.rresb.len = 0;
1872 rb->xfer->act.hand = fw_asy_callback;
1874 rb->xfer->act.hand = fw_xfer_free;
1875 if(fw_asyreq(rb->fc, -1, rb->xfer)){
1876 fw_xfer_free(rb->xfer);
1882 for (i = 0; i < rb->nvec; i ++)
1883 len += rb->vec[i].iov_len;
1884 switch(bind->act_type){
1887 rb->xfer = STAILQ_FIRST(&bind->xferlist);
1888 if (rb->xfer == NULL) {
1889 printf("Discard a packet for this bind.\n");
1893 STAILQ_REMOVE_HEAD(&bind->xferlist, link);
1896 rb->xfer->act.hand(rb->xfer);
1900 if(rb->fc->ir[bind->sub]->queued >=
1901 rb->fc->ir[bind->sub]->maxq){
1902 device_printf(rb->fc->bdev,
1903 "Discard a packet %x %d\n",
1905 rb->fc->ir[bind->sub]->queued);
1909 rb->xfer = STAILQ_FIRST(&bind->xferlist);
1910 if (rb->xfer == NULL) {
1911 printf("Discard packet for this bind\n");
1914 STAILQ_REMOVE_HEAD(&bind->xferlist, link);
1918 rb->fc->ir[bind->sub]->queued++;
1919 STAILQ_INSERT_TAIL(&rb->fc->ir[bind->sub]->q,
1923 wakeup((caddr_t)rb->fc->ir[bind->sub]);
1932 #if 0 /* shouldn't happen ?? or for GASP */
1933 case FWTCODE_STREAM:
1935 struct fw_xferq *xferq;
1937 xferq = rb->fc->ir[sub];
1939 printf("stream rcv dma %d len %d off %d spd %d\n",
1940 sub, len, off, spd);
1942 if(xferq->queued >= xferq->maxq) {
1943 printf("receive queue is full\n");
1946 /* XXX get xfer from xfer queue, we don't need copy for
1948 rb->xfer = fw_xfer_alloc_buf(M_FWXFER, 0, /* XXX */
1950 if (rb->xfer == NULL) goto err;
1954 STAILQ_INSERT_TAIL(&xferq->q, rb->xfer, link);
1956 sc = device_get_softc(rb->fc->bdev);
1957 #if defined(__DragonFly__) || __FreeBSD_version < 500000
1958 if (&xferq->rsel.si_pid != 0)
1960 if (SEL_WAITING(&xferq->rsel))
1962 selwakeuppri(&xferq->rsel, FWPRI);
1963 if (xferq->flag & FWXFERQ_WAKEUP) {
1964 xferq->flag &= ~FWXFERQ_WAKEUP;
1965 wakeup((caddr_t)xferq);
1967 if (xferq->flag & FWXFERQ_HANDLER) {
1975 printf("fw_rcv: unknow tcode %d\n", tcode);
1983 * Post process for Bus Manager election process.
1986 fw_try_bmr_callback(struct fw_xfer *xfer)
1988 struct firewire_comm *fc;
1994 if (xfer->resp != 0)
1996 if (xfer->recv.payload == NULL)
1998 if (xfer->recv.hdr.mode.lres.rtcode != FWRCODE_COMPLETE)
2001 bmr = ntohl(xfer->recv.payload[0]);
2005 CSRARC(fc, BUS_MGR_ID) = fc->set_bmr(fc, bmr & 0x3f);
2006 fw_xfer_free_buf(xfer);
2011 device_printf(fc->bdev, "bus manager election failed\n");
2012 fw_xfer_free_buf(xfer);
2017 * To candidate Bus Manager election process.
2020 fw_try_bmr(void *arg)
2022 struct fw_xfer *xfer;
2023 struct firewire_comm *fc = (struct firewire_comm *)arg;
2027 xfer = fw_xfer_alloc_buf(M_FWXFER, 8, 4);
2032 fc->status = FWBUSMGRELECT;
2034 fp = &xfer->send.hdr;
2035 fp->mode.lreq.dest_hi = 0xffff;
2036 fp->mode.lreq.tlrt = 0;
2037 fp->mode.lreq.tcode = FWTCODE_LREQ;
2038 fp->mode.lreq.pri = 0;
2039 fp->mode.lreq.src = 0;
2040 fp->mode.lreq.len = 8;
2041 fp->mode.lreq.extcode = EXTCODE_CMP_SWAP;
2042 fp->mode.lreq.dst = FWLOCALBUS | fc->irm;
2043 fp->mode.lreq.dest_lo = 0xf0000000 | BUS_MGR_ID;
2044 xfer->send.payload[0] = htonl(0x3f);
2045 xfer->send.payload[1] = htonl(fc->nodeid);
2046 xfer->act.hand = fw_try_bmr_callback;
2048 err = fw_asyreq(fc, -1, xfer);
2050 fw_xfer_free_buf(xfer);
2058 * Software implementation for physical memory block access.
2059 * XXX:Too slow, usef for debug purpose only.
2062 fw_vmaccess(struct fw_xfer *xfer){
2063 struct fw_pkt *rfp, *sfp = NULL;
2064 u_int32_t *ld = (u_int32_t *)xfer->recv.buf;
2066 printf("vmaccess spd:%2x len:%03x data:%08x %08x %08x %08x\n",
2067 xfer->spd, xfer->recv.len, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
2068 printf("vmaccess data:%08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
2069 if(xfer->resp != 0){
2070 fw_xfer_free( xfer);
2073 if(xfer->recv.buf == NULL){
2074 fw_xfer_free( xfer);
2077 rfp = (struct fw_pkt *)xfer->recv.buf;
2078 switch(rfp->mode.hdr.tcode){
2079 /* XXX need fix for 64bit arch */
2081 xfer->send.buf = kmalloc(12, M_FW, M_WAITOK);
2082 xfer->send.len = 12;
2083 sfp = (struct fw_pkt *)xfer->send.buf;
2084 bcopy(rfp->mode.wreqb.payload,
2085 (caddr_t)ntohl(rfp->mode.wreqb.dest_lo), ntohs(rfp->mode.wreqb.len));
2086 sfp->mode.wres.tcode = FWTCODE_WRES;
2087 sfp->mode.wres.rtcode = 0;
2090 xfer->send.buf = kmalloc(12, M_FW, M_WAITOK);
2091 xfer->send.len = 12;
2092 sfp->mode.wres.tcode = FWTCODE_WRES;
2093 *((u_int32_t *)(ntohl(rfp->mode.wreqb.dest_lo))) = rfp->mode.wreqq.data;
2094 sfp->mode.wres.rtcode = 0;
2097 xfer->send.buf = kmalloc(16 + rfp->mode.rreqb.len, M_FW, M_WAITOK);
2098 xfer->send.len = 16 + ntohs(rfp->mode.rreqb.len);
2099 sfp = (struct fw_pkt *)xfer->send.buf;
2100 bcopy((caddr_t)ntohl(rfp->mode.rreqb.dest_lo),
2101 sfp->mode.rresb.payload, (u_int16_t)ntohs(rfp->mode.rreqb.len));
2102 sfp->mode.rresb.tcode = FWTCODE_RRESB;
2103 sfp->mode.rresb.len = rfp->mode.rreqb.len;
2104 sfp->mode.rresb.rtcode = 0;
2105 sfp->mode.rresb.extcode = 0;
2108 xfer->send.buf = kmalloc(16, M_FW, M_WAITOK);
2109 xfer->send.len = 16;
2110 sfp = (struct fw_pkt *)xfer->send.buf;
2111 sfp->mode.rresq.data = *(u_int32_t *)(ntohl(rfp->mode.rreqq.dest_lo));
2112 sfp->mode.wres.tcode = FWTCODE_RRESQ;
2113 sfp->mode.rresb.rtcode = 0;
2116 fw_xfer_free( xfer);
2119 sfp->mode.hdr.dst = rfp->mode.hdr.src;
2120 xfer->dst = ntohs(rfp->mode.hdr.src);
2121 xfer->act.hand = fw_xfer_free;
2122 xfer->retry_req = fw_asybusy;
2124 sfp->mode.hdr.tlrt = rfp->mode.hdr.tlrt;
2125 sfp->mode.hdr.pri = 0;
2127 fw_asyreq(xfer->fc, -1, xfer);
2134 * CRC16 check-sum for IEEE1394 register blocks.
2137 fw_crc16(u_int32_t *ptr, u_int32_t len){
2138 u_int32_t i, sum, crc = 0;
2140 len = (len + 3) & ~3;
2141 for(i = 0 ; i < len ; i+= 4){
2142 for( shift = 28 ; shift >= 0 ; shift -= 4){
2143 sum = ((crc >> 12) ^ (ptr[i/4] >> shift)) & 0xf;
2144 crc = (crc << 4) ^ ( sum << 12 ) ^ ( sum << 5) ^ sum;
2148 return((u_int16_t) crc);
2152 fw_bmr(struct firewire_comm *fc)
2154 struct fw_device fwdev;
2155 union fw_self_id *self_id;
2159 /* Check to see if the current root node is cycle master capable */
2160 self_id = &fc->topology_map->self_id[fc->max_node];
2161 if (fc->max_node > 0) {
2162 /* XXX check cmc bit of businfo block rather than contender */
2163 if (self_id->p0.link_active && self_id->p0.contender)
2164 cmstr = fc->max_node;
2166 device_printf(fc->bdev,
2167 "root node is not cycle master capable\n");
2168 /* XXX shall we be the cycle master? */
2170 /* XXX need bus reset */
2175 device_printf(fc->bdev, "bus manager %d ", CSRARC(fc, BUS_MGR_ID));
2176 if(CSRARC(fc, BUS_MGR_ID) != fc->nodeid) {
2177 /* We are not the bus manager */
2183 /* Optimize gapcount */
2184 if(fc->max_hop <= MAX_GAPHOP )
2185 fw_phy_config(fc, cmstr, gap_cnt[fc->max_hop]);
2186 /* If we are the cycle master, nothing to do */
2187 if (cmstr == fc->nodeid || cmstr == -1)
2189 /* Bus probe has not finished, make dummy fwdev for cmstr */
2190 bzero(&fwdev, sizeof(fwdev));
2194 fwdev.maxrec = 8; /* 512 */
2195 fwdev.status = FWDEVINIT;
2196 /* Set cmstr bit on the cycle master */
2197 quad = htonl(1 << 8);
2198 fwmem_write_quad(&fwdev, NULL, 0/*spd*/,
2199 0xffff, 0xf0000000 | STATE_SET, &quad, fw_asy_callback_free);
2205 fw_modevent(module_t mode, int type, void *data)
2208 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2209 static eventhandler_tag fwdev_ehtag = NULL;
2214 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2215 fwdev_ehtag = EVENTHANDLER_REGISTER(dev_clone,
2216 fwdev_clone, 0, 1000);
2220 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2221 if (fwdev_ehtag != NULL)
2222 EVENTHANDLER_DEREGISTER(dev_clone, fwdev_ehtag);
2232 * This causes the firewire identify to be called for any attached fwohci
2233 * device in the system.
2235 DECLARE_DUMMY_MODULE(firewire);
2236 DRIVER_MODULE(firewire,fwohci,firewire_driver,firewire_devclass,fw_modevent,0);
2237 MODULE_VERSION(firewire, 1);