1 /*
2 * Copyright 2007, Haiku Inc. All rights reserved.
3 * Distributed under the terms of the MIT License.
4 *
5 * Authors:
6 * JiSheng Zhang
7 * Jérôme DUVAL
8 */
9 /*-
10 * Copyright (c) 2003 Hidetoshi Shimokawa
11 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
12 * All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. All advertising materials mentioning features or use of this software
23 * must display the acknowledgement as bellow:
24 *
25 * This product includes software developed by K. Kobayashi and H. Shimokawa
26 *
27 * 4. The name of the author may not be used to endorse or promote products
28 * derived from this software without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
31 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
32 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
33 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
34 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
35 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
36 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
39 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40 * POSSIBILITY OF SUCH DAMAGE.
41 *
42 * $FreeBSD: src/sys/dev/firewire/fwdev.c,v 1.52 2007/06/06 14:31:36 simokawa Exp $
43 *
44 */
45
46 #include <sys/param.h>
47 #include <sys/types.h>
48
49 #include <Drivers.h>
50 #include <OS.h>
51 #include <KernelExport.h>
52 #include <malloc.h>
53 #include <module.h>
54 #include <stdio.h>
55 #include <ByteOrder.h>
56 #include <string.h>
57 #include <sys/ioccom.h>
58
59 #include "queue.h"
60 #include "firewire.h"
61 #include "iec13213.h"
62 #include "firewirereg.h"
63 #include "fwdma.h"
64 //#include "fwmem.h"
65 #include "iec68113.h"
66
67 #define TRACE(x...)
68 //#define TRACE(x...) dprintf(x)
69
70 #include "firewire_module.h"
71
72 #define FWNODE_INVAL 0xffff
73
74 int32 api_version = B_CUR_DRIVER_API_VERSION;
75 struct fw_module_info *gFirewire;
76 const char fwname[] = "bus/fw/%ld";
77 #define FWNAMEMAX 9
78 static char ** devices;
79 uint32 devices_count = 0;
80
81
82 struct fw_drv1 {
83 struct firewire_comm *fc;
84 struct fw_xferq *ir;
85 struct fw_xferq *it;
86 struct fw_isobufreq bufreq;
87 STAILQ_HEAD(, fw_bind) binds;
88 STAILQ_HEAD(, fw_xfer) rq;
89 sem_id rqSem;
90 };
91
92 static int
fwdev_allocbuf(struct fw_xferq * q,struct fw_bufspec * b)93 fwdev_allocbuf(struct fw_xferq *q,
94 struct fw_bufspec *b)
95 {
96 int i;
97
98 if (q->flag & (FWXFERQ_RUNNING | FWXFERQ_EXTBUF))
99 return(EBUSY);
100
101 q->bulkxfer = (struct fw_bulkxfer *) malloc(
102 sizeof(struct fw_bulkxfer) * b->nchunk);
103 if (q->bulkxfer == NULL)
104 return(ENOMEM);
105
106 b->psize = roundup2(b->psize, sizeof(uint32_t));
107 q->buf = gFirewire->fwdma_malloc_multiseg(sizeof(uint32_t),
108 b->psize, b->nchunk * b->npacket);
109 TRACE("fwdev_allocbuf %d\n", b->psize*b->nchunk*b->npacket);
110 if (q->buf == NULL) {
111 free(q->bulkxfer);
112 q->bulkxfer = NULL;
113 return(ENOMEM);
114 }
115 q->bnchunk = b->nchunk;
116 q->bnpacket = b->npacket;
117 q->psize = (b->psize + 3) & ~3;
118 q->queued = 0;
119
120 STAILQ_INIT(&q->stvalid);
121 STAILQ_INIT(&q->stfree);
122 STAILQ_INIT(&q->stdma);
123 q->stproc = NULL;
124
125 for (i = 0 ; i < q->bnchunk; i++) {
126 q->bulkxfer[i].poffset = i * q->bnpacket;
127 //q->bulkxfer[i].mbuf = NULL; //to be completed when find mbuf's counterpart
128 STAILQ_INSERT_TAIL(&q->stfree, &q->bulkxfer[i], link);
129 }
130
131 q->flag &= ~FWXFERQ_MODEMASK;
132 q->flag |= FWXFERQ_STREAM;
133 q->flag |= FWXFERQ_EXTBUF;
134
135 return (0);
136 }
137
138 static int
fwdev_freebuf(struct fw_xferq * q)139 fwdev_freebuf(struct fw_xferq *q)
140 {
141 if (q->flag & FWXFERQ_EXTBUF) {
142 if (q->buf != NULL)
143 gFirewire->fwdma_free_multiseg(q->buf);
144 q->buf = NULL;
145 free(q->bulkxfer);
146 q->bulkxfer = NULL;
147 q->flag &= ~FWXFERQ_EXTBUF;
148 q->psize = 0;
149 q->maxq = FWMAXQUEUE;
150 }
151 return (0);
152 }
153
154
155 static status_t
fw_open(const char * name,uint32 flags,void ** cookie)156 fw_open (const char *name, uint32 flags, void **cookie)
157 {
158 int32 count = -1;
159 int32 i;
160 struct fw_drv1 *d;
161 struct firewire_softc *sc = NULL;
162
163 *cookie = NULL;
164 for (i = 0; i < devices_count; i++) {
165 if (strcmp(name, devices[i]) == 0) {
166 count = i;
167 break;
168 }
169 }
170
171 if (count < 0) {
172 return B_BAD_VALUE;
173 }
174
175 if (gFirewire->get_handle(count, &sc) != B_OK) {
176 return ENODEV;
177 }
178
179 if (sc == NULL)
180 return (ENXIO);
181
182 FW_GLOCK(sc->fc);
183 if (*cookie != NULL) {
184 FW_GUNLOCK(sc->fc);
185 return (EBUSY);
186 }
187 /* set dummy value for allocation */
188 *cookie = (void *)-1;
189 FW_GUNLOCK(sc->fc);
190
191 *cookie = malloc(sizeof(struct fw_drv1));
192 if (*cookie == NULL)
193 return (ENOMEM);
194 memset(*cookie, 0, sizeof(struct fw_drv1));
195
196 d = (struct fw_drv1 *)(*cookie);
197 d->fc = sc->fc;
198 STAILQ_INIT(&d->binds);
199 STAILQ_INIT(&d->rq);
200 d->rqSem = create_sem(0, "fw_raw rq");
201 if (d->rqSem < B_OK) {
202 dprintf("fwraw: failed creating rq semaphore\n");
203 free(*cookie);
204 return B_ERROR;
205 }
206
207 return B_OK;
208 }
209
210
211 static status_t
fw_close(void * cookie)212 fw_close (void *cookie)
213 {
214 return B_OK;
215 }
216
217
218 static status_t
fw_free(void * cookie)219 fw_free(void *cookie)
220 {
221 struct firewire_comm *fc;
222 struct fw_drv1 *d;
223 struct fw_xfer *xfer;
224 struct fw_bind *fwb;
225
226 TRACE("fw_free\n");
227 d = (struct fw_drv1 *)cookie;
228 delete_sem(d->rqSem);
229 fc = d->fc;
230
231 /* remove binding */
232 for (fwb = STAILQ_FIRST(&d->binds); fwb != NULL;
233 fwb = STAILQ_FIRST(&d->binds)) {
234 gFirewire->fw_bindremove(fc, fwb);
235 STAILQ_REMOVE_HEAD(&d->binds, chlist);
236 gFirewire->fw_xferlist_remove(&fwb->xferlist);
237 free(fwb);
238 }
239 if (d->ir != NULL) {
240 struct fw_xferq *ir = d->ir;
241
242 if ((ir->flag & FWXFERQ_OPEN) == 0)
243 return (EINVAL);
244 if (ir->flag & FWXFERQ_RUNNING) {
245 ir->flag &= ~FWXFERQ_RUNNING;
246 fc->irx_disable(fc, ir->dmach);
247 }
248 /* free extbuf */
249 fwdev_freebuf(ir);
250 /* drain receiving buffer */
251 for (xfer = STAILQ_FIRST(&ir->q);
252 xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
253 ir->queued --;
254 STAILQ_REMOVE_HEAD(&ir->q, link);
255
256 xfer->resp = 0;
257 gFirewire->fw_xfer_done(xfer);
258 }
259 ir->flag &= ~(FWXFERQ_OPEN |
260 FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
261 d->ir = NULL;
262
263 }
264 if (d->it != NULL) {
265 struct fw_xferq *it = d->it;
266
267 if ((it->flag & FWXFERQ_OPEN) == 0)
268 return (EINVAL);
269 if (it->flag & FWXFERQ_RUNNING) {
270 it->flag &= ~FWXFERQ_RUNNING;
271 fc->itx_disable(fc, it->dmach);
272 }
273 /* free extbuf */
274 fwdev_freebuf(it);
275 it->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
276 d->it = NULL;
277 }
278 free(d);
279 d = NULL;
280
281 return B_OK;
282 }
283
284
285 static int
fw_read_async(struct fw_drv1 * d,off_t position,void * buf,size_t * num_bytes)286 fw_read_async(struct fw_drv1 *d, off_t position, void *buf, size_t *num_bytes)
287 {
288 int err = 0;
289 struct fw_xfer *xfer;
290 struct fw_bind *fwb;
291 struct fw_pkt *fp;
292 struct tcode_info *tinfo;
293 cpu_status s;
294
295 int len, pbytes = (int)*num_bytes;//pbytes:to be processed bytes
296 *num_bytes = 0;
297
298 FW_GLOCK(d->fc);
299 while ((xfer = STAILQ_FIRST(&d->rq)) == NULL && err == B_OK) {
300 //err = msleep(&d->rq, FW_GMTX(d->fc), FWPRI, "fwra", 0);
301 FW_GUNLOCK(d->fc);
302 err = acquire_sem_etc(d->rqSem, 1, B_CAN_INTERRUPT | B_TIMEOUT,
303 B_INFINITE_TIMEOUT);//B_INFINITE_TIMEOUT means no timeout?
304 FW_GLOCK(d->fc);
305 }
306
307 // if (err != 0) {
308 if (err != B_OK) {
309
310 FW_GUNLOCK(d->fc);
311 return (err);
312 }
313
314 s = splfw();
315 STAILQ_REMOVE_HEAD(&d->rq, link);
316 FW_GUNLOCK(xfer->fc);
317 splx(s);
318 fp = &xfer->recv.hdr;
319 #if 0 /* for GASP ?? */
320 if (fc->irx_post != NULL)
321 fc->irx_post(fc, fp->mode.ld);
322 #endif
323 tinfo = &xfer->fc->tcode[fp->mode.hdr.tcode];
324 // err = uiomove((void *)fp, tinfo->hdr_len, uio);
325 len = tinfo->hdr_len;
326 len = MIN(len, pbytes);
327 err = user_memcpy(buf, fp, len);
328 pbytes -= len;
329 *num_bytes += len;
330 buf = (void *)((caddr_t)buf + len);
331
332 // if (err)
333 if (err < B_OK) {
334 goto out;
335 }
336
337 // err = uiomove((void *)xfer->recv.payload, xfer->recv.pay_len, uio);
338 len = xfer->recv.pay_len;
339 len = MIN(len, pbytes);
340 err = user_memcpy(buf, (void *)xfer->recv.payload, len);
341 pbytes -= len;
342 *num_bytes += len;//get have been processed bytes num
343 buf = (void *)((caddr_t)buf + len);
344
345 out:
346 /* recycle this xfer */
347 fwb = (struct fw_bind *)xfer->sc;
348 gFirewire->fw_xfer_unload(xfer);
349 xfer->recv.pay_len = B_PAGE_SIZE;
350 FW_GLOCK(xfer->fc);
351 STAILQ_INSERT_TAIL(&fwb->xferlist, xfer, link);
352 FW_GUNLOCK(xfer->fc);
353 return (err);
354 }
355
356
357 /*
358 * read request.
359 */
360 static status_t
fw_read(void * cookie,off_t position,void * buf,size_t * num_bytes)361 fw_read (void *cookie, off_t position, void *buf, size_t *num_bytes)
362 {
363 struct fw_drv1 *d;
364 struct fw_xferq *ir;
365 struct firewire_comm *fc;
366 int err = 0, slept = 0;
367 struct fw_pkt *fp;
368 cpu_status s;
369
370 int len, pbytes = (int)*num_bytes;
371 *num_bytes = 0;
372
373 d = (struct fw_drv1 *)cookie;
374 fc = d->fc;
375 ir = d->ir;
376
377 if (ir == NULL)
378 return (fw_read_async(d, position, buf, num_bytes));
379
380 if (ir->buf == NULL)
381 return (EIO);
382
383 FW_GLOCK(fc);
384 readloop:
385 if (ir->stproc == NULL) {
386 /* iso bulkxfer */
387 ir->stproc = STAILQ_FIRST(&ir->stvalid);
388 if (ir->stproc != NULL) {
389 s = splfw();
390 STAILQ_REMOVE_HEAD(&ir->stvalid, link);
391 splx(s);
392 ir->queued = 0;
393 }
394 }
395 if (ir->stproc == NULL) {
396 /* no data avaliable */
397 if (slept == 0) {
398 slept = 1;
399 ir->flag |= FWXFERQ_WAKEUP;
400 //err = msleep(ir, FW_GMTX(fc), FWPRI, "fw_read", hz);
401 FW_GUNLOCK(fc);
402 err = acquire_sem_etc(ir->Sem, 1, B_CAN_INTERRUPT | B_TIMEOUT, 1000000);
403 FW_GLOCK(fc);
404
405 ir->flag &= ~FWXFERQ_WAKEUP;
406 if (err == B_OK)
407 goto readloop;
408 } else if (slept == 1)
409 err = EIO;
410 FW_GUNLOCK(fc);
411 return err;
412 } else if (ir->stproc != NULL) {
413 /* iso bulkxfer */
414 FW_GUNLOCK(fc);
415 fp = (struct fw_pkt *)fwdma_v_addr(ir->buf,
416 ir->stproc->poffset + ir->queued);
417 if (fc->irx_post != NULL)
418 fc->irx_post(fc, fp->mode.ld);
419 if (fp->mode.stream.len == 0) {
420 err = EIO;
421 return err;
422 }
423 // err = uiomove((caddr_t)fp,
424 // fp->mode.stream.len + sizeof(uint32_t), uio);
425 len = fp->mode.stream.len + sizeof(uint32_t);
426 len = MIN(len, pbytes);
427 err = user_memcpy(buf, (void *)fp, len);
428 pbytes -= len;
429 *num_bytes += len;
430 buf = (void *)((caddr_t)buf + len);
431
432 ir->queued ++;
433 if (ir->queued >= ir->bnpacket) {
434 s = splfw();
435 STAILQ_INSERT_TAIL(&ir->stfree, ir->stproc, link);
436 splx(s);
437 fc->irx_enable(fc, ir->dmach);
438 ir->stproc = NULL;
439 }
440 if (pbytes >= ir->psize) {
441 slept = -1;
442 FW_GLOCK(fc);
443 goto readloop;
444 }
445 }
446 return err;
447 }
448
449
450 static int
fw_write_async(struct fw_drv1 * d,off_t position,const void * buf,size_t * num_bytes)451 fw_write_async(struct fw_drv1 *d, off_t position, const void *buf,
452 size_t *num_bytes)
453 {
454 struct fw_xfer *xfer;
455 struct fw_pkt pkt;
456 struct tcode_info *tinfo;
457 int err;
458
459 int len, pbytes = (int)*num_bytes;
460 *num_bytes = 0;
461
462 bzero(&pkt, sizeof(struct fw_pkt));
463 // if ((err = uiomove((caddr_t)&pkt, sizeof(uint32_t), uio)))
464 len = sizeof(uint32_t);
465 len = MIN(len, pbytes);
466 err = user_memcpy(&pkt, buf, len);
467 pbytes -= len;
468 *num_bytes += len;
469 buf = (void *)((caddr_t)buf + len);
470 if (err < B_OK)
471 return (err);
472
473 tinfo = &d->fc->tcode[pkt.mode.hdr.tcode];
474 // if ((err = uiomove((caddr_t)&pkt + sizeof(uint32_t),
475 // tinfo->hdr_len - sizeof(uint32_t), uio)))
476 len = tinfo->hdr_len - sizeof(uint32_t);
477 len = MIN(len, pbytes);
478 err = user_memcpy((void*)((caddr_t)&pkt + sizeof(uint32_t)),
479 buf, len);
480 pbytes -= len;
481 *num_bytes += len;
482 buf = (void *)((caddr_t)buf + len);
483
484 if (err < B_OK)
485 return (err);
486
487 if ((xfer = gFirewire->fw_xfer_alloc_buf(pbytes,
488 B_PAGE_SIZE/*XXX*/)) == NULL)
489 return (ENOMEM);
490
491 bcopy(&pkt, &xfer->send.hdr, sizeof(struct fw_pkt));
492 // xfer->send.pay_len = uio->uio_resid;
493 xfer->send.pay_len = pbytes;
494
495 /* if (uio->uio_resid > 0) {
496 if ((err = uiomove((caddr_t)&xfer->send.payload[0],
497 uio->uio_resid, uio)));// here the FreeBSD's stack author may be careless?
498 goto out;
499 }*/
500 if (pbytes > 0) {
501 len = pbytes;
502 err = user_memcpy((void*)&xfer->send.payload[0],
503 buf, len);
504 pbytes -= len;
505 *num_bytes += len;
506 buf = (void *)((caddr_t)buf + len);
507 if (err < B_OK)
508 goto out;
509 }
510
511 xfer->fc = d->fc;
512 xfer->sc = NULL;
513 xfer->hand = gFirewire->fw_xferwake;
514 xfer->send.spd = 2 /* XXX */;
515
516 if ((err = gFirewire->fw_asyreq(xfer->fc, -1, xfer)))
517 goto out;
518
519 if ((err = gFirewire->fw_xferwait(xfer)))
520 goto out;
521
522 if (xfer->resp != 0) {
523 err = xfer->resp;
524 goto out;
525 }
526
527 if (xfer->flag & FWXF_RCVD) {
528 FW_GLOCK(xfer->fc);
529 STAILQ_INSERT_TAIL(&d->rq, xfer, link);
530 FW_GUNLOCK(xfer->fc);
531 return B_OK;
532 }
533
534 out:
535 gFirewire->fw_xfer_free(xfer);
536 return (err);
537 }
538
539
540 static status_t
fw_write(void * cookie,off_t position,const void * buf,size_t * num_bytes)541 fw_write (void *cookie, off_t position, const void *buf, size_t *num_bytes)
542 {
543 int err = 0;
544 int slept = 0;
545 struct fw_drv1 *d;
546 struct fw_pkt *fp;
547 struct firewire_comm *fc;
548 struct fw_xferq *it;
549 cpu_status s;
550
551 int len, pbytes = (int)*num_bytes;
552 *num_bytes = 0;
553
554 d = (struct fw_drv1 *)cookie;
555 fc = d->fc;
556 it = d->it;
557
558 if (it == NULL)
559 return (fw_write_async(d, position, buf, num_bytes));
560
561 if (it->buf == NULL)
562 return (EIO);
563
564 FW_GLOCK(fc);
565 isoloop:
566 if (it->stproc == NULL) {
567 it->stproc = STAILQ_FIRST(&it->stfree);
568 if (it->stproc != NULL) {
569 s = splfw();
570 STAILQ_REMOVE_HEAD(&it->stfree, link);
571 splx(s);
572 it->queued = 0;
573 } else if (slept == 0) {
574 slept = 1;
575 #if 0 /* XXX to avoid lock recursion */
576 err = fc->itx_enable(fc, it->dmach);
577 if (err)
578 goto out;
579 #endif
580 // err = msleep(it, FW_GMTX(fc), FWPRI, "fw_write", hz);
581 FW_GUNLOCK(fc);
582 err = acquire_sem_etc(it->Sem, 1, B_CAN_INTERRUPT | B_TIMEOUT, 1000000);
583 FW_GLOCK(fc);
584
585 // if (err)
586 if (err < B_OK)
587 goto out;
588 goto isoloop;
589 } else {
590 err = EIO;
591 goto out;
592 }
593 }
594 FW_GUNLOCK(fc);
595 fp = (struct fw_pkt *)fwdma_v_addr(it->buf,
596 it->stproc->poffset + it->queued);
597 // err = uiomove((caddr_t)fp, sizeof(struct fw_isohdr), uio);
598 len = sizeof(struct fw_isohdr);
599 len = MIN(len, pbytes);
600 err = user_memcpy(fp, buf, len);
601 pbytes -= len;
602 *num_bytes += len;
603 buf = (void *)((caddr_t)buf + len);
604
605 // err = uiomove((caddr_t)fp->mode.stream.payload,
606 // fp->mode.stream.len, uio);
607 len = fp->mode.stream.len;
608 len = MIN(len, pbytes);
609 err = user_memcpy(fp->mode.stream.payload, buf, len);
610 pbytes -= len;
611 *num_bytes += len;
612 buf = (void *)((caddr_t)buf + len);
613
614 it->queued ++;
615 if (it->queued >= it->bnpacket) {
616 s = splfw();
617 STAILQ_INSERT_TAIL(&it->stvalid, it->stproc, link);
618 splx(s);
619 it->stproc = NULL;
620 err = fc->itx_enable(fc, it->dmach);
621 }
622 // if (uio->uio_resid >= sizeof(struct fw_isohdr)) {
623 if (pbytes >= sizeof(struct fw_isohdr)) {
624 slept = 0;
625 FW_GLOCK(fc);
626 goto isoloop;
627 }
628 return err;
629
630 out:
631 FW_GUNLOCK(fc);
632 return err;
633 }
634
635
636 static void
fw_hand(struct fw_xfer * xfer)637 fw_hand(struct fw_xfer *xfer)
638 {
639 struct fw_bind *fwb;
640 struct fw_drv1 *d;
641
642 fwb = (struct fw_bind *)xfer->sc;
643 d = (struct fw_drv1 *)fwb->sc;
644 FW_GLOCK(xfer->fc);
645 STAILQ_INSERT_TAIL(&d->rq, xfer, link);
646 FW_GUNLOCK(xfer->fc);
647 // wakeup(&d->rq);
648 release_sem_etc(d->rqSem, 1, B_DO_NOT_RESCHEDULE);
649 }
650
651
652 /*
653 * ioctl support.
654 */
655 static status_t
fw_ioctl(void * cookie,uint32 cmd,void * data,size_t length)656 fw_ioctl (void *cookie, uint32 cmd, void *data, size_t length)
657 {
658 struct firewire_comm *fc;
659 struct fw_drv1 *d;
660 int i, len, err = 0;
661 struct fw_device *fwdev;
662 struct fw_bind *fwb;
663 struct fw_xferq *ir, *it;
664 struct fw_xfer *xfer;
665 struct fw_pkt *fp;
666 struct fw_devinfo *devinfo;
667 void *ptr;
668
669 struct fw_devlstreq *fwdevlst = (struct fw_devlstreq *)data;
670 struct fw_asyreq *asyreq = (struct fw_asyreq *)data;
671 struct fw_isochreq *ichreq = (struct fw_isochreq *)data;
672 struct fw_isobufreq *ibufreq = (struct fw_isobufreq *)data;
673 struct fw_asybindreq *bindreq = (struct fw_asybindreq *)data;
674 struct fw_crom_buf *crom_buf = (struct fw_crom_buf *)data;
675
676 if (!data)
677 return(EINVAL);
678
679 d = (struct fw_drv1 *)cookie;
680 fc = d->fc;
681 ir = d->ir;
682 it = d->it;
683
684 switch (cmd) {
685 case FW_STSTREAM:
686 if (it == NULL) {
687 i = gFirewire->fw_open_isodma(fc, /* tx */1);
688 if (i < 0) {
689 err = EBUSY;
690 break;
691 }
692 it = fc->it[i];
693 err = fwdev_allocbuf(it, &d->bufreq.tx);
694 if (err) {
695 it->flag &= ~FWXFERQ_OPEN;
696 break;
697 }
698 }
699 it->flag &= ~0xff;
700 it->flag |= (0x3f & ichreq->ch);
701 it->flag |= ((0x3 & ichreq->tag) << 6);
702 d->it = it;
703 break;
704 case FW_GTSTREAM:
705 if (it != NULL) {
706 ichreq->ch = it->flag & 0x3f;
707 ichreq->tag = it->flag >> 2 & 0x3;
708 } else
709 err = EINVAL;
710 break;
711 case FW_SRSTREAM:
712 if (ir == NULL) {
713 i = gFirewire->fw_open_isodma(fc, /* tx */0);
714 if (i < 0) {
715 err = EBUSY;
716 break;
717 }
718 ir = fc->ir[i];
719 err = fwdev_allocbuf(ir, &d->bufreq.rx);
720 if (err) {
721 ir->flag &= ~FWXFERQ_OPEN;
722 break;
723 }
724 }
725 ir->flag &= ~0xff;
726 ir->flag |= (0x3f & ichreq->ch);
727 ir->flag |= ((0x3 & ichreq->tag) << 6);
728 d->ir = ir;
729 err = fc->irx_enable(fc, ir->dmach);
730 break;
731 case FW_GRSTREAM:
732 if (d->ir != NULL) {
733 ichreq->ch = ir->flag & 0x3f;
734 ichreq->tag = ir->flag >> 2 & 0x3;
735 } else
736 err = EINVAL;
737 break;
738 case FW_SSTBUF:
739 bcopy(ibufreq, &d->bufreq, sizeof(d->bufreq));
740 break;
741 case FW_GSTBUF:
742 bzero(&ibufreq->rx, sizeof(ibufreq->rx));
743 if (ir != NULL) {
744 ibufreq->rx.nchunk = ir->bnchunk;
745 ibufreq->rx.npacket = ir->bnpacket;
746 ibufreq->rx.psize = ir->psize;
747 }
748 bzero(&ibufreq->tx, sizeof(ibufreq->tx));
749 if (it != NULL) {
750 ibufreq->tx.nchunk = it->bnchunk;
751 ibufreq->tx.npacket = it->bnpacket;
752 ibufreq->tx.psize = it->psize;
753 }
754 break;
755 case FW_ASYREQ:
756 {
757 struct tcode_info *tinfo;
758 int pay_len = 0;
759
760 fp = &asyreq->pkt;
761 tinfo = &fc->tcode[fp->mode.hdr.tcode];
762
763 if ((tinfo->flag & FWTI_BLOCK_ASY) != 0)
764 pay_len = MAX(0, asyreq->req.len - tinfo->hdr_len);
765
766 xfer = gFirewire->fw_xfer_alloc_buf(pay_len, B_PAGE_SIZE/*XXX*/);
767 if (xfer == NULL)
768 return (ENOMEM);
769
770 switch (asyreq->req.type) {
771 case FWASREQNODE:
772 break;
773 case FWASREQEUI:
774 fwdev = gFirewire->fw_noderesolve_eui64(fc,
775 &asyreq->req.dst.eui);
776 if (fwdev == NULL) {
777 dprintf("FWASREQEUI cannot find node\n");
778 err = EINVAL;
779 goto out;
780 }
781 fp->mode.hdr.dst = FWLOCALBUS | fwdev->dst;
782 break;
783 case FWASRESTL:
784 /* XXX what's this? */
785 break;
786 case FWASREQSTREAM:
787 /* nothing to do */
788 break;
789 }
790
791 bcopy(fp, (void *)&xfer->send.hdr, tinfo->hdr_len);
792 if (pay_len > 0)
793 bcopy((char *)fp + tinfo->hdr_len,
794 (void *)xfer->send.payload, pay_len);
795 xfer->send.spd = asyreq->req.sped;
796 xfer->hand = gFirewire->fw_xferwake;
797
798 if ((err = gFirewire->fw_asyreq(fc, -1, xfer)) != 0)
799 goto out;
800 if ((err = gFirewire->fw_xferwait(xfer)) != 0)
801 goto out;
802 if (xfer->resp != 0) {
803 err = EIO;
804 goto out;
805 }
806 if ((tinfo->flag & FWTI_TLABEL) == 0)
807 goto out;
808
809 /* copy response */
810 tinfo = &fc->tcode[xfer->recv.hdr.mode.hdr.tcode];
811 if (xfer->recv.hdr.mode.hdr.tcode == FWTCODE_RRESB ||
812 xfer->recv.hdr.mode.hdr.tcode == FWTCODE_LRES) {
813 pay_len = xfer->recv.pay_len;
814 if (asyreq->req.len >= xfer->recv.pay_len + tinfo->hdr_len) {
815 asyreq->req.len = xfer->recv.pay_len +
816 tinfo->hdr_len;
817 } else {
818 err = EINVAL;
819 pay_len = 0;
820 }
821 } else {
822 pay_len = 0;
823 }
824 bcopy(&xfer->recv.hdr, fp, tinfo->hdr_len);
825 bcopy(xfer->recv.payload, (char *)fp + tinfo->hdr_len, pay_len);
826 out:
827 gFirewire->fw_xfer_free_buf(xfer);
828 break;
829 }
830 case FW_IBUSRST:
831 fc->ibr(fc);
832 break;
833 case FW_CBINDADDR:
834 fwb = gFirewire->fw_bindlookup(fc,
835 bindreq->start.hi, bindreq->start.lo);
836 if (fwb == NULL) {
837 err = EINVAL;
838 break;
839 }
840 gFirewire->fw_bindremove(fc, fwb);
841 STAILQ_REMOVE(&d->binds, fwb, fw_bind, chlist);
842 gFirewire->fw_xferlist_remove(&fwb->xferlist);
843 free(fwb);
844 break;
845 case FW_SBINDADDR:
846 if (bindreq->len <= 0) {
847 err = EINVAL;
848 break;
849 }
850 if (bindreq->start.hi > 0xffff) {
851 err = EINVAL;
852 break;
853 }
854 fwb = (struct fw_bind *)malloc(sizeof (struct fw_bind));
855 if (fwb == NULL) {
856 err = ENOMEM;
857 break;
858 }
859 fwb->start = ((u_int64_t)bindreq->start.hi << 32) |
860 bindreq->start.lo;
861 fwb->end = fwb->start + bindreq->len;
862 fwb->sc = (void *)d;
863 STAILQ_INIT(&fwb->xferlist);
864 err = gFirewire->fw_bindadd(fc, fwb);
865 if (err == 0) {
866 gFirewire->fw_xferlist_add(&fwb->xferlist,
867 /* XXX */
868 B_PAGE_SIZE, B_PAGE_SIZE, 5,
869 fc, (void *)fwb, fw_hand);
870 STAILQ_INSERT_TAIL(&d->binds, fwb, chlist);
871 }
872 break;
873 case FW_GDEVLST:
874 i = len = 1;
875 /* myself */
876 devinfo = &fwdevlst->dev[0];
877 devinfo->dst = fc->nodeid;
878 devinfo->status = 0; /* XXX */
879 devinfo->eui.hi = fc->eui.hi;
880 devinfo->eui.lo = fc->eui.lo;
881 STAILQ_FOREACH(fwdev, &fc->devices, link) {
882 if (len < FW_MAX_DEVLST) {
883 devinfo = &fwdevlst->dev[len++];
884 devinfo->dst = fwdev->dst;
885 devinfo->status =
886 (fwdev->status == FWDEVINVAL) ? 0 : 1;
887 devinfo->eui.hi = fwdev->eui.hi;
888 devinfo->eui.lo = fwdev->eui.lo;
889 }
890 i++;
891 }
892 fwdevlst->n = i;
893 fwdevlst->info_len = len;
894 break;
895 case FW_GTPMAP:
896 bcopy(fc->topology_map, data,
897 (fc->topology_map->crc_len + 1) * 4);
898 break;
899 case FW_GCROM:
900 STAILQ_FOREACH(fwdev, &fc->devices, link)
901 if (FW_EUI64_EQUAL(fwdev->eui, crom_buf->eui))
902 break;
903 if (fwdev == NULL) {
904 if (!FW_EUI64_EQUAL(fc->eui, crom_buf->eui)) {
905 err = FWNODE_INVAL;
906 break;
907 }
908 /* myself */
909 ptr = malloc(CROMSIZE);
910 len = CROMSIZE;
911 for (i = 0; i < CROMSIZE / 4; i++)
912 ((uint32_t *)ptr)[i]
913 = B_BENDIAN_TO_HOST_INT32(fc->config_rom[i]);
914 } else {
915 /* found */
916 ptr = (void *)&fwdev->csrrom[0];
917 if (fwdev->rommax < CSRROMOFF)
918 len = 0;
919 else
920 len = fwdev->rommax - CSRROMOFF + 4;
921 }
922 if (crom_buf->len < len)
923 len = crom_buf->len;
924 else
925 crom_buf->len = len;
926 // err = copyout(ptr, crom_buf->ptr, len);//to be completed
927 err = user_memcpy(crom_buf->ptr, ptr, len);
928 if (fwdev == NULL)
929 /* myself */
930 free(ptr);
931 break;
932 default:
933 fc->ioctl (fc, cmd, data, length);
934 break;
935 }
936 return err;
937 }
938
939
940 status_t
init_hardware()941 init_hardware()
942 {
943 return B_OK;
944 }
945
946
947 const char **
publish_devices(void)948 publish_devices(void)
949 {
950 return (const char **)devices;
951 }
952
953
954 static device_hooks hooks = {
955 &fw_open,
956 &fw_close,
957 &fw_free,
958 &fw_ioctl,
959 &fw_read,
960 &fw_write,
961 NULL,
962 NULL,
963 NULL,
964 NULL
965 };
966
967 device_hooks *
find_device(const char * name)968 find_device(const char *name)
969 {
970 return &hooks;
971 }
972
973
974 status_t
init_driver()975 init_driver()
976 {
977 status_t err;
978 struct firewire_softc *sc = NULL;
979 uint32 i;
980
981 #if DEBUG && !defined(__HAIKU__)
982 load_driver_symbols("fw_raw");
983 #endif
984
985 if ((err = get_module(FIREWIRE_MODULE_NAME, (module_info **)&gFirewire)) != B_OK) {
986 dprintf("fw_raw: couldn't load "FIREWIRE_MODULE_NAME"\n");
987 return err;
988 }
989
990 devices_count = 0;
991 while (gFirewire->get_handle(devices_count, &sc) == B_OK) {
992 devices_count++;
993 }
994
995 if (devices_count <= 0) {
996 put_module(FIREWIRE_MODULE_NAME);
997 return ENODEV;
998 }
999
1000 devices = malloc(sizeof(char *) * (devices_count + 1));
1001 if (!devices) {
1002 put_module(FIREWIRE_MODULE_NAME);
1003 return ENOMEM;
1004 }
1005 for (i = 0; i < devices_count; i++) {
1006 devices[i] = strdup(fwname);
1007 snprintf(devices[i], FWNAMEMAX, fwname, i);
1008 }
1009 devices[devices_count] = NULL;
1010
1011 TRACE("fw_raw init_driver returns OK\n");
1012 return B_OK;
1013 }
1014
1015
1016 void
uninit_driver()1017 uninit_driver()
1018 {
1019 int32 i = 0;
1020 for (i = 0; i < devices_count; i++) {
1021 free(devices[i]);
1022 }
1023 free(devices);
1024 devices = NULL;
1025
1026 put_module(FIREWIRE_MODULE_NAME);
1027 }
1028