3
4/*-
5 * Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29/*
30 * This file contains the driver for Octeon Executive Library USB
31 * Controller driver API.
32 */
33
34/* TODO: The root HUB port callback is not yet implemented. */
35
36#include <sys/stdint.h>
37#include <sys/stddef.h>
38#include <sys/param.h>
39#include <sys/queue.h>
40#include <sys/types.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/bus.h>
44#include <sys/module.h>
45#include <sys/lock.h>
46#include <sys/mutex.h>
47#include <sys/condvar.h>
48#include <sys/sysctl.h>
49#include <sys/sx.h>
50#include <sys/unistd.h>
51#include <sys/callout.h>
52#include <sys/malloc.h>
53#include <sys/priv.h>
54
55#include <dev/usb/usb.h>
56#include <dev/usb/usbdi.h>
57
58#define USB_DEBUG_VAR octusbdebug
59
60#include <dev/usb/usb_core.h>
61#include <dev/usb/usb_debug.h>
62#include <dev/usb/usb_busdma.h>
63#include <dev/usb/usb_process.h>
64#include <dev/usb/usb_transfer.h>
65#include <dev/usb/usb_device.h>
66#include <dev/usb/usb_hub.h>
67#include <dev/usb/usb_util.h>
68
69#include <dev/usb/usb_controller.h>
70#include <dev/usb/usb_bus.h>
71
72#include <contrib/octeon-sdk/cvmx.h>
73#include <contrib/octeon-sdk/cvmx-usb.h>
74
75#include <mips/cavium/usb/octusb.h>
76
77#define OCTUSB_BUS2SC(bus) \
78 ((struct octusb_softc *)(((uint8_t *)(bus)) - \
79 ((uint8_t *)&(((struct octusb_softc *)0)->sc_bus))))
80
81#ifdef USB_DEBUG
82static int octusbdebug = 0;
83
84static SYSCTL_NODE(_hw_usb, OID_AUTO, octusb, CTLFLAG_RW, 0, "OCTUSB");
85SYSCTL_INT(_hw_usb_octusb, OID_AUTO, debug, CTLFLAG_RW,
86 &octusbdebug, 0, "OCTUSB debug level");
87
88TUNABLE_INT("hw.usb.octusb.debug", &octusbdebug);
89
90#endif
91
92struct octusb_std_temp {
93 octusb_cmd_t *func;
94 struct octusb_td *td;
95 struct octusb_td *td_next;
96 struct usb_page_cache *pc;
97 uint32_t offset;
98 uint32_t len;
99 uint8_t short_pkt;
100 uint8_t setup_alt_next;
101};
102
103extern struct usb_bus_methods octusb_bus_methods;
104extern struct usb_pipe_methods octusb_device_bulk_methods;
105extern struct usb_pipe_methods octusb_device_ctrl_methods;
106extern struct usb_pipe_methods octusb_device_intr_methods;
107extern struct usb_pipe_methods octusb_device_isoc_methods;
108
109static void octusb_standard_done(struct usb_xfer *);
110static void octusb_device_done(struct usb_xfer *, usb_error_t);
111static void octusb_timeout(void *);
112static void octusb_do_poll(struct usb_bus *);
113
114static cvmx_usb_speed_t
115octusb_convert_speed(enum usb_dev_speed speed)
116{
117 ; /* indent fix */
118 switch (speed) {
119 case USB_SPEED_HIGH:
120 return (CVMX_USB_SPEED_HIGH);
121 case USB_SPEED_FULL:
122 return (CVMX_USB_SPEED_FULL);
123 default:
124 return (CVMX_USB_SPEED_LOW);
125 }
126}
127
128static cvmx_usb_transfer_t
129octusb_convert_ep_type(uint8_t ep_type)
130{
131 ; /* indent fix */
132 switch (ep_type & UE_XFERTYPE) {
133 case UE_CONTROL:
134 return (CVMX_USB_TRANSFER_CONTROL);
135 case UE_INTERRUPT:
136 return (CVMX_USB_TRANSFER_INTERRUPT);
137 case UE_ISOCHRONOUS:
138 return (CVMX_USB_TRANSFER_ISOCHRONOUS);
139 case UE_BULK:
140 return (CVMX_USB_TRANSFER_BULK);
141 default:
142 return (0); /* should not happen */
143 }
144}
145
146static uint8_t
147octusb_host_alloc_endpoint(struct octusb_td *td)
148{
149 struct octusb_softc *sc;
150 int ep_handle;
151
152 if (td->qh->fixup_pending)
153 return (1); /* busy */
154
155 if (td->qh->ep_allocated)
156 return (0); /* success */
157
158 /* get softc */
159 sc = td->qh->sc;
160
161 ep_handle = cvmx_usb_open_pipe(
162 &sc->sc_port[td->qh->port_index].state,
163 0,
164 td->qh->dev_addr,
165 td->qh->ep_num,
166 octusb_convert_speed(td->qh->dev_speed),
167 td->qh->max_packet_size,
168 octusb_convert_ep_type(td->qh->ep_type),
169 (td->qh->ep_num & UE_DIR_IN) ? CVMX_USB_DIRECTION_IN :
170 CVMX_USB_DIRECTION_OUT,
171 td->qh->ep_interval,
172 td->qh->ep_mult,
173 td->qh->hs_hub_addr,
174 td->qh->hs_hub_port);
175
176 if (ep_handle < 0)
177 return (1); /* busy */
178
179 cvmx_usb_set_toggle(
180 &sc->sc_port[td->qh->port_index].state,
181 ep_handle, td->qh->ep_toggle_next);
182
183 td->qh->fixup_handle = -1;
184 td->qh->fixup_complete = 0;
185 td->qh->fixup_len = 0;
186 td->qh->fixup_off = 0;
187 td->qh->fixup_pending = 0;
188 td->qh->fixup_actlen = 0;
189
190 td->qh->ep_handle = ep_handle;
191 td->qh->ep_allocated = 1;
192
193 return (0); /* success */
194}
195
196static void
197octusb_host_free_endpoint(struct octusb_td *td)
198{
199 struct octusb_softc *sc;
200
201 if (td->qh->ep_allocated == 0)
202 return;
203
204 /* get softc */
205 sc = td->qh->sc;
206
207 if (td->qh->fixup_handle >= 0) {
208 /* cancel, if any */
209 cvmx_usb_cancel(&sc->sc_port[td->qh->port_index].state,
210 td->qh->ep_handle, td->qh->fixup_handle);
211 }
212 cvmx_usb_close_pipe(&sc->sc_port[td->qh->port_index].state, td->qh->ep_handle);
213
214 td->qh->ep_allocated = 0;
215}
216
217static void
218octusb_complete_cb(cvmx_usb_state_t *state,
219 cvmx_usb_callback_t reason,
220 cvmx_usb_complete_t status,
221 int pipe_handle, int submit_handle,
222 int bytes_transferred, void *user_data)
223{
224 struct octusb_td *td;
225
226 if (reason != CVMX_USB_CALLBACK_TRANSFER_COMPLETE)
227 return;
228
229 td = user_data;
230
231 td->qh->fixup_complete = 1;
232 td->qh->fixup_pending = 0;
233 td->qh->fixup_actlen = bytes_transferred;
234 td->qh->fixup_handle = -1;
235
236 switch (status) {
237 case CVMX_USB_COMPLETE_SUCCESS:
238 case CVMX_USB_COMPLETE_SHORT:
239 td->error_any = 0;
240 td->error_stall = 0;
241 break;
242 case CVMX_USB_COMPLETE_STALL:
243 td->error_stall = 1;
244 td->error_any = 1;
245 break;
246 default:
247 td->error_any = 1;
248 break;
249 }
250}
251
252static uint8_t
253octusb_host_control_header_tx(struct octusb_td *td)
254{
255 int status;
256
257 /* allocate endpoint and check pending */
258 if (octusb_host_alloc_endpoint(td))
259 return (1); /* busy */
260
261 /* check error */
262 if (td->error_any)
263 return (0); /* done */
264
265 if (td->qh->fixup_complete != 0) {
266 /* clear complete flag */
267 td->qh->fixup_complete = 0;
268
269 /* flush data */
270 usb_pc_cpu_invalidate(td->qh->fixup_pc);
271 return (0); /* done */
272 }
273 /* verify length */
274 if (td->remainder != 8) {
275 td->error_any = 1;
276 return (0); /* done */
277 }
278 usbd_copy_out(td->pc, td->offset, td->qh->fixup_buf, 8);
279
280 /* update offset and remainder */
281 td->offset += 8;
282 td->remainder -= 8;
283
284 /* setup data length and offset */
285 td->qh->fixup_len = UGETW(td->qh->fixup_buf + 6);
286 td->qh->fixup_off = 0;
287
288 if (td->qh->fixup_len > (OCTUSB_MAX_FIXUP - 8)) {
289 td->error_any = 1;
290 return (0); /* done */
291 }
292 /* do control IN request */
293 if (td->qh->fixup_buf[0] & UE_DIR_IN) {
294
295 struct octusb_softc *sc;
296
297 /* get softc */
298 sc = td->qh->sc;
299
300 /* flush data */
301 usb_pc_cpu_flush(td->qh->fixup_pc);
302
303 status = cvmx_usb_submit_control(
304 &sc->sc_port[td->qh->port_index].state,
305 td->qh->ep_handle, td->qh->fixup_phys,
306 td->qh->fixup_phys + 8, td->qh->fixup_len,
307 &octusb_complete_cb, td);
308 /* check status */
309 if (status < 0) {
310 td->error_any = 1;
311 return (0); /* done */
312 }
313 td->qh->fixup_handle = status;
314 td->qh->fixup_pending = 1;
315 td->qh->fixup_complete = 0;
316
317 return (1); /* busy */
318 }
319 return (0); /* done */
320}
321
322static uint8_t
323octusb_host_control_data_tx(struct octusb_td *td)
324{
325 uint32_t rem;
326
327 /* allocate endpoint and check pending */
328 if (octusb_host_alloc_endpoint(td))
329 return (1); /* busy */
330
331 /* check error */
332 if (td->error_any)
333 return (0); /* done */
334
335 rem = td->qh->fixup_len - td->qh->fixup_off;
336
337 if (td->remainder > rem) {
338 td->error_any = 1;
339 DPRINTFN(1, "Excess setup transmit data\n");
340 return (0); /* done */
341 }
342 usbd_copy_out(td->pc, td->offset, td->qh->fixup_buf +
343 td->qh->fixup_off + 8, td->remainder);
344
345 td->offset += td->remainder;
346 td->qh->fixup_off += td->remainder;
347 td->remainder = 0;
348
349 return (0); /* done */
350}
351
352static uint8_t
353octusb_host_control_data_rx(struct octusb_td *td)
354{
355 uint32_t rem;
356
357 /* allocate endpoint and check pending */
358 if (octusb_host_alloc_endpoint(td))
359 return (1); /* busy */
360
361 /* check error */
362 if (td->error_any)
363 return (0); /* done */
364
365 /* copy data from buffer */
366 rem = td->qh->fixup_actlen - td->qh->fixup_off;
367
368 if (rem > td->remainder)
369 rem = td->remainder;
370
371 usbd_copy_in(td->pc, td->offset, td->qh->fixup_buf +
372 td->qh->fixup_off + 8, rem);
373
374 td->offset += rem;
375 td->remainder -= rem;
376 td->qh->fixup_off += rem;
377
378 return (0); /* done */
379}
380
381static uint8_t
382octusb_host_control_status_tx(struct octusb_td *td)
383{
384 int status;
385
386 /* allocate endpoint and check pending */
387 if (octusb_host_alloc_endpoint(td))
388 return (1); /* busy */
389
390 /* check error */
391 if (td->error_any)
392 return (0); /* done */
393
394 if (td->qh->fixup_complete != 0) {
395 /* clear complete flag */
396 td->qh->fixup_complete = 0;
397 /* done */
398 return (0);
399 }
400 /* do control IN request */
401 if (!(td->qh->fixup_buf[0] & UE_DIR_IN)) {
402
403 struct octusb_softc *sc;
404
405 /* get softc */
406 sc = td->qh->sc;
407
408 /* flush data */
409 usb_pc_cpu_flush(td->qh->fixup_pc);
410
411 /* start USB transfer */
412 status = cvmx_usb_submit_control(
413 &sc->sc_port[td->qh->port_index].state,
414 td->qh->ep_handle, td->qh->fixup_phys,
415 td->qh->fixup_phys + 8, td->qh->fixup_len,
416 &octusb_complete_cb, td);
417
418 /* check status */
419 if (status < 0) {
420 td->error_any = 1;
421 return (0); /* done */
422 }
423 td->qh->fixup_handle = status;
424 td->qh->fixup_pending = 1;
425 td->qh->fixup_complete = 0;
426
427 return (1); /* busy */
428 }
429 return (0); /* done */
430}
431
432static uint8_t
433octusb_non_control_data_tx(struct octusb_td *td)
434{
435 struct octusb_softc *sc;
436 uint32_t rem;
437 int status;
438
439 /* allocate endpoint and check pending */
440 if (octusb_host_alloc_endpoint(td))
441 return (1); /* busy */
442
443 /* check error */
444 if (td->error_any)
445 return (0); /* done */
446
447 if ((td->qh->fixup_complete != 0) &&
448 ((td->qh->ep_type & UE_XFERTYPE) == UE_ISOCHRONOUS)) {
449 td->qh->fixup_complete = 0;
450 return (0); /* done */
451 }
452 /* check complete */
453 if (td->remainder == 0) {
454 if (td->short_pkt)
455 return (0); /* complete */
456 /* else need to send a zero length packet */
457 rem = 0;
458 td->short_pkt = 1;
459 } else {
460 /* get maximum length */
461 rem = OCTUSB_MAX_FIXUP % td->qh->max_frame_size;
462 rem = OCTUSB_MAX_FIXUP - rem;
463
464 if (rem == 0) {
465 /* should not happen */
466 DPRINTFN(1, "Fixup buffer is too small\n");
467 td->error_any = 1;
468 return (0); /* done */
469 }
470 /* get minimum length */
471 if (rem > td->remainder) {
472 rem = td->remainder;
473 if ((rem == 0) || (rem % td->qh->max_frame_size))
474 td->short_pkt = 1;
475 }
476 /* copy data into fixup buffer */
477 usbd_copy_out(td->pc, td->offset, td->qh->fixup_buf, rem);
478
479 /* flush data */
480 usb_pc_cpu_flush(td->qh->fixup_pc);
481
482 /* pre-increment TX buffer offset */
483 td->offset += rem;
484 td->remainder -= rem;
485 }
486
487 /* get softc */
488 sc = td->qh->sc;
489
490 switch (td->qh->ep_type & UE_XFERTYPE) {
491 case UE_ISOCHRONOUS:
492 td->qh->iso_pkt.offset = 0;
493 td->qh->iso_pkt.length = rem;
494 td->qh->iso_pkt.status = 0;
495 /* start USB transfer */
496 status = cvmx_usb_submit_isochronous(&sc->sc_port[td->qh->port_index].state,
497 td->qh->ep_handle, 1, CVMX_USB_ISOCHRONOUS_FLAGS_ALLOW_SHORT |
498 CVMX_USB_ISOCHRONOUS_FLAGS_ASAP, 1, &td->qh->iso_pkt,
499 td->qh->fixup_phys, rem, &octusb_complete_cb, td);
500 break;
501 case UE_BULK:
502 /* start USB transfer */
503 status = cvmx_usb_submit_bulk(&sc->sc_port[td->qh->port_index].state,
504 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
505 break;
506 case UE_INTERRUPT:
507 /* start USB transfer (interrupt or interrupt) */
508 status = cvmx_usb_submit_interrupt(&sc->sc_port[td->qh->port_index].state,
509 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
510 break;
511 default:
512 status = -1;
513 break;
514 }
515
516 /* check status */
517 if (status < 0) {
518 td->error_any = 1;
519 return (0); /* done */
520 }
521 td->qh->fixup_handle = status;
522 td->qh->fixup_len = rem;
523 td->qh->fixup_pending = 1;
524 td->qh->fixup_complete = 0;
525
526 return (1); /* busy */
527}
528
529static uint8_t
530octusb_non_control_data_rx(struct octusb_td *td)
531{
532 struct octusb_softc *sc;
533 uint32_t rem;
534 int status;
535 uint8_t got_short;
536
537 /* allocate endpoint and check pending */
538 if (octusb_host_alloc_endpoint(td))
539 return (1); /* busy */
540
541 /* check error */
542 if (td->error_any)
543 return (0); /* done */
544
545 got_short = 0;
546
547 if (td->qh->fixup_complete != 0) {
548
549 /* invalidate data */
550 usb_pc_cpu_invalidate(td->qh->fixup_pc);
551
552 rem = td->qh->fixup_actlen;
553
554 /* verify transfer length */
555 if (rem != td->qh->fixup_len) {
556 if (rem < td->qh->fixup_len) {
557 /* we have a short packet */
558 td->short_pkt = 1;
559 got_short = 1;
560 } else {
561 /* invalid USB packet */
562 td->error_any = 1;
563 return (0); /* we are complete */
564 }
565 }
566 /* copy data into fixup buffer */
567 usbd_copy_in(td->pc, td->offset, td->qh->fixup_buf, rem);
568
569 /* post-increment RX buffer offset */
570 td->offset += rem;
571 td->remainder -= rem;
572
573 td->qh->fixup_complete = 0;
574
575 if ((td->qh->ep_type & UE_XFERTYPE) == UE_ISOCHRONOUS)
576 return (0); /* done */
577 }
578 /* check if we are complete */
579 if ((td->remainder == 0) || got_short) {
580 if (td->short_pkt) {
581 /* we are complete */
582 return (0);
583 }
584 /* else need to receive a zero length packet */
585 rem = 0;
586 td->short_pkt = 1;
587 } else {
588 /* get maximum length */
589 rem = OCTUSB_MAX_FIXUP % td->qh->max_frame_size;
590 rem = OCTUSB_MAX_FIXUP - rem;
591
592 if (rem == 0) {
593 /* should not happen */
594 DPRINTFN(1, "Fixup buffer is too small\n");
595 td->error_any = 1;
596 return (0); /* done */
597 }
598 /* get minimum length */
599 if (rem > td->remainder)
600 rem = td->remainder;
601 }
602
603 /* invalidate data */
604 usb_pc_cpu_invalidate(td->qh->fixup_pc);
605
606 /* get softc */
607 sc = td->qh->sc;
608
609 switch (td->qh->ep_type & UE_XFERTYPE) {
610 case UE_ISOCHRONOUS:
611 td->qh->iso_pkt.offset = 0;
612 td->qh->iso_pkt.length = rem;
613 td->qh->iso_pkt.status = 0;
614 /* start USB transfer */
615 status = cvmx_usb_submit_isochronous(&sc->sc_port[td->qh->port_index].state,
616 td->qh->ep_handle, 1, CVMX_USB_ISOCHRONOUS_FLAGS_ALLOW_SHORT |
617 CVMX_USB_ISOCHRONOUS_FLAGS_ASAP, 1, &td->qh->iso_pkt,
618 td->qh->fixup_phys, rem, &octusb_complete_cb, td);
619 break;
620 case UE_BULK:
621 /* start USB transfer */
622 status = cvmx_usb_submit_bulk(&sc->sc_port[td->qh->port_index].state,
623 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
624 break;
625 case UE_INTERRUPT:
626 /* start USB transfer */
627 status = cvmx_usb_submit_interrupt(&sc->sc_port[td->qh->port_index].state,
628 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
629 break;
630 default:
631 status = -1;
632 break;
633 }
634
635 /* check status */
636 if (status < 0) {
637 td->error_any = 1;
638 return (0); /* done */
639 }
640 td->qh->fixup_handle = status;
641 td->qh->fixup_len = rem;
642 td->qh->fixup_pending = 1;
643 td->qh->fixup_complete = 0;
644
645 return (1); /* busy */
646}
647
648static uint8_t
649octusb_xfer_do_fifo(struct usb_xfer *xfer)
650{
651 struct octusb_td *td;
652
653 DPRINTFN(8, "\n");
654
655 td = xfer->td_transfer_cache;
656
657 while (1) {
658 if ((td->func) (td)) {
659 /* operation in progress */
660 break;
661 }
662 if (((void *)td) == xfer->td_transfer_last) {
663 goto done;
664 }
665 if (td->error_any) {
666 goto done;
667 } else if (td->remainder > 0) {
668 /*
669 * We had a short transfer. If there is no
670 * alternate next, stop processing !
671 */
672 if (td->alt_next == 0)
673 goto done;
674 }
675 /*
676 * Fetch the next transfer descriptor and transfer
677 * some flags to the next transfer descriptor
678 */
679 td = td->obj_next;
680 xfer->td_transfer_cache = td;
681 }
682 return (1); /* not complete */
683
684done:
685 /* compute all actual lengths */
686
687 octusb_standard_done(xfer);
688
689 return (0); /* complete */
690}
691
692static usb_error_t
693octusb_standard_done_sub(struct usb_xfer *xfer)
694{
695 struct octusb_td *td;
696 uint32_t len;
697 usb_error_t error;
698
699 DPRINTFN(8, "\n");
700
701 td = xfer->td_transfer_cache;
702
703 do {
704 len = td->remainder;
705
706 if (xfer->aframes != xfer->nframes) {
707 /*
708 * Verify the length and subtract
709 * the remainder from "frlengths[]":
710 */
711 if (len > xfer->frlengths[xfer->aframes]) {
712 td->error_any = 1;
713 } else {
714 xfer->frlengths[xfer->aframes] -= len;
715 }
716 }
717 /* Check for transfer error */
718 if (td->error_any) {
719 /* the transfer is finished */
720 error = td->error_stall ? USB_ERR_STALLED : USB_ERR_IOERROR;
721 td = NULL;
722 break;
723 }
724 /* Check for short transfer */
725 if (len > 0) {
726 if (xfer->flags_int.short_frames_ok) {
727 /* follow alt next */
728 if (td->alt_next) {
729 td = td->obj_next;
730 } else {
731 td = NULL;
732 }
733 } else {
734 /* the transfer is finished */
735 td = NULL;
736 }
737 error = 0;
738 break;
739 }
740 td = td->obj_next;
741
742 /* this USB frame is complete */
743 error = 0;
744 break;
745
746 } while (0);
747
748 /* update transfer cache */
749
750 xfer->td_transfer_cache = td;
751
752 return (error);
753}
754
755static void
756octusb_standard_done(struct usb_xfer *xfer)
757{
758 struct octusb_softc *sc;
759 struct octusb_qh *qh;
760 usb_error_t error = 0;
761
762 DPRINTFN(12, "xfer=%p endpoint=%p transfer done\n",
763 xfer, xfer->endpoint);
764
765 /* reset scanner */
766
767 xfer->td_transfer_cache = xfer->td_transfer_first;
768
769 if (xfer->flags_int.control_xfr) {
770
771 if (xfer->flags_int.control_hdr)
772 error = octusb_standard_done_sub(xfer);
773
774 xfer->aframes = 1;
775
776 if (xfer->td_transfer_cache == NULL)
777 goto done;
778 }
779 while (xfer->aframes != xfer->nframes) {
780
781 error = octusb_standard_done_sub(xfer);
782
783 xfer->aframes++;
784
785 if (xfer->td_transfer_cache == NULL)
786 goto done;
787 }
788
789 if (xfer->flags_int.control_xfr &&
790 !xfer->flags_int.control_act)
791 error = octusb_standard_done_sub(xfer);
792
793done:
794 /* update data toggle */
795
796 qh = xfer->qh_start[0];
797 sc = qh->sc;
798
799 xfer->endpoint->toggle_next =
800 cvmx_usb_get_toggle(
801 &sc->sc_port[qh->port_index].state,
802 qh->ep_handle) ? 1 : 0;
803
804 octusb_device_done(xfer, error);
805}
806
807static void
808octusb_interrupt_poll(struct octusb_softc *sc)
809{
810 struct usb_xfer *xfer;
811 uint8_t x;
812
813 /* poll all ports */
814 for (x = 0; x != sc->sc_noport; x++)
815 cvmx_usb_poll(&sc->sc_port[x].state);
816
817repeat:
818 TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) {
819 if (!octusb_xfer_do_fifo(xfer)) {
820 /* queue has been modified */
821 goto repeat;
822 }
823 }
824}
825
826static void
827octusb_start_standard_chain(struct usb_xfer *xfer)
828{
829 DPRINTFN(8, "\n");
830
831 /* poll one time */
832 if (octusb_xfer_do_fifo(xfer)) {
833
834 /* put transfer on interrupt queue */
835 usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer);
836
837 /* start timeout, if any */
838 if (xfer->timeout != 0) {
839 usbd_transfer_timeout_ms(xfer,
840 &octusb_timeout, xfer->timeout);
841 }
842 }
843}
844
845void
846octusb_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb)
847{
848
849}
850
851usb_error_t
852octusb_init(struct octusb_softc *sc)
853{
854 cvmx_usb_initialize_flags_t flags;
855 int status;
856 uint8_t x;
857
858 /* flush all cache into memory */
859
860 usb_bus_mem_flush_all(&sc->sc_bus, &octusb_iterate_hw_softc);
861
862 /* set up the bus struct */
863 sc->sc_bus.methods = &octusb_bus_methods;
864
865 /* get number of ports */
866 sc->sc_noport = cvmx_usb_get_num_ports();
867
868 /* check number of ports */
869 if (sc->sc_noport > OCTUSB_MAX_PORTS)
870 sc->sc_noport = OCTUSB_MAX_PORTS;
871
872 /* set USB revision */
873 sc->sc_bus.usbrev = USB_REV_2_0;
874
875 /* flags for port initialization */
876 flags = CVMX_USB_INITIALIZE_FLAGS_CLOCK_AUTO;
877#ifdef USB_DEBUG
878 if (octusbdebug > 100)
879 flags |= CVMX_USB_INITIALIZE_FLAGS_DEBUG_ALL;
880#endif
881
882 USB_BUS_LOCK(&sc->sc_bus);
883
884 /* setup all ports */
885 for (x = 0; x != sc->sc_noport; x++) {
886 status = cvmx_usb_initialize(&sc->sc_port[x].state, x, flags);
887 if (status < 0)
888 sc->sc_port[x].disabled = 1;
889 }
890
891 USB_BUS_UNLOCK(&sc->sc_bus);
892
893 /* catch lost interrupts */
894 octusb_do_poll(&sc->sc_bus);
895
896 return (0);
897}
898
899usb_error_t
900octusb_uninit(struct octusb_softc *sc)
901{
902 uint8_t x;
903
904 USB_BUS_LOCK(&sc->sc_bus);
905
906 for (x = 0; x != sc->sc_noport; x++) {
907 if (sc->sc_port[x].disabled == 0)
908 cvmx_usb_shutdown(&sc->sc_port[x].state);
909 }
910 USB_BUS_UNLOCK(&sc->sc_bus);
911
912 return (0);
913
914}
915
| 3
4/*-
5 * Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29/*
30 * This file contains the driver for Octeon Executive Library USB
31 * Controller driver API.
32 */
33
34/* TODO: The root HUB port callback is not yet implemented. */
35
36#include <sys/stdint.h>
37#include <sys/stddef.h>
38#include <sys/param.h>
39#include <sys/queue.h>
40#include <sys/types.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/bus.h>
44#include <sys/module.h>
45#include <sys/lock.h>
46#include <sys/mutex.h>
47#include <sys/condvar.h>
48#include <sys/sysctl.h>
49#include <sys/sx.h>
50#include <sys/unistd.h>
51#include <sys/callout.h>
52#include <sys/malloc.h>
53#include <sys/priv.h>
54
55#include <dev/usb/usb.h>
56#include <dev/usb/usbdi.h>
57
58#define USB_DEBUG_VAR octusbdebug
59
60#include <dev/usb/usb_core.h>
61#include <dev/usb/usb_debug.h>
62#include <dev/usb/usb_busdma.h>
63#include <dev/usb/usb_process.h>
64#include <dev/usb/usb_transfer.h>
65#include <dev/usb/usb_device.h>
66#include <dev/usb/usb_hub.h>
67#include <dev/usb/usb_util.h>
68
69#include <dev/usb/usb_controller.h>
70#include <dev/usb/usb_bus.h>
71
72#include <contrib/octeon-sdk/cvmx.h>
73#include <contrib/octeon-sdk/cvmx-usb.h>
74
75#include <mips/cavium/usb/octusb.h>
76
77#define OCTUSB_BUS2SC(bus) \
78 ((struct octusb_softc *)(((uint8_t *)(bus)) - \
79 ((uint8_t *)&(((struct octusb_softc *)0)->sc_bus))))
80
81#ifdef USB_DEBUG
82static int octusbdebug = 0;
83
84static SYSCTL_NODE(_hw_usb, OID_AUTO, octusb, CTLFLAG_RW, 0, "OCTUSB");
85SYSCTL_INT(_hw_usb_octusb, OID_AUTO, debug, CTLFLAG_RW,
86 &octusbdebug, 0, "OCTUSB debug level");
87
88TUNABLE_INT("hw.usb.octusb.debug", &octusbdebug);
89
90#endif
91
92struct octusb_std_temp {
93 octusb_cmd_t *func;
94 struct octusb_td *td;
95 struct octusb_td *td_next;
96 struct usb_page_cache *pc;
97 uint32_t offset;
98 uint32_t len;
99 uint8_t short_pkt;
100 uint8_t setup_alt_next;
101};
102
103extern struct usb_bus_methods octusb_bus_methods;
104extern struct usb_pipe_methods octusb_device_bulk_methods;
105extern struct usb_pipe_methods octusb_device_ctrl_methods;
106extern struct usb_pipe_methods octusb_device_intr_methods;
107extern struct usb_pipe_methods octusb_device_isoc_methods;
108
109static void octusb_standard_done(struct usb_xfer *);
110static void octusb_device_done(struct usb_xfer *, usb_error_t);
111static void octusb_timeout(void *);
112static void octusb_do_poll(struct usb_bus *);
113
114static cvmx_usb_speed_t
115octusb_convert_speed(enum usb_dev_speed speed)
116{
117 ; /* indent fix */
118 switch (speed) {
119 case USB_SPEED_HIGH:
120 return (CVMX_USB_SPEED_HIGH);
121 case USB_SPEED_FULL:
122 return (CVMX_USB_SPEED_FULL);
123 default:
124 return (CVMX_USB_SPEED_LOW);
125 }
126}
127
128static cvmx_usb_transfer_t
129octusb_convert_ep_type(uint8_t ep_type)
130{
131 ; /* indent fix */
132 switch (ep_type & UE_XFERTYPE) {
133 case UE_CONTROL:
134 return (CVMX_USB_TRANSFER_CONTROL);
135 case UE_INTERRUPT:
136 return (CVMX_USB_TRANSFER_INTERRUPT);
137 case UE_ISOCHRONOUS:
138 return (CVMX_USB_TRANSFER_ISOCHRONOUS);
139 case UE_BULK:
140 return (CVMX_USB_TRANSFER_BULK);
141 default:
142 return (0); /* should not happen */
143 }
144}
145
146static uint8_t
147octusb_host_alloc_endpoint(struct octusb_td *td)
148{
149 struct octusb_softc *sc;
150 int ep_handle;
151
152 if (td->qh->fixup_pending)
153 return (1); /* busy */
154
155 if (td->qh->ep_allocated)
156 return (0); /* success */
157
158 /* get softc */
159 sc = td->qh->sc;
160
161 ep_handle = cvmx_usb_open_pipe(
162 &sc->sc_port[td->qh->port_index].state,
163 0,
164 td->qh->dev_addr,
165 td->qh->ep_num,
166 octusb_convert_speed(td->qh->dev_speed),
167 td->qh->max_packet_size,
168 octusb_convert_ep_type(td->qh->ep_type),
169 (td->qh->ep_num & UE_DIR_IN) ? CVMX_USB_DIRECTION_IN :
170 CVMX_USB_DIRECTION_OUT,
171 td->qh->ep_interval,
172 td->qh->ep_mult,
173 td->qh->hs_hub_addr,
174 td->qh->hs_hub_port);
175
176 if (ep_handle < 0)
177 return (1); /* busy */
178
179 cvmx_usb_set_toggle(
180 &sc->sc_port[td->qh->port_index].state,
181 ep_handle, td->qh->ep_toggle_next);
182
183 td->qh->fixup_handle = -1;
184 td->qh->fixup_complete = 0;
185 td->qh->fixup_len = 0;
186 td->qh->fixup_off = 0;
187 td->qh->fixup_pending = 0;
188 td->qh->fixup_actlen = 0;
189
190 td->qh->ep_handle = ep_handle;
191 td->qh->ep_allocated = 1;
192
193 return (0); /* success */
194}
195
196static void
197octusb_host_free_endpoint(struct octusb_td *td)
198{
199 struct octusb_softc *sc;
200
201 if (td->qh->ep_allocated == 0)
202 return;
203
204 /* get softc */
205 sc = td->qh->sc;
206
207 if (td->qh->fixup_handle >= 0) {
208 /* cancel, if any */
209 cvmx_usb_cancel(&sc->sc_port[td->qh->port_index].state,
210 td->qh->ep_handle, td->qh->fixup_handle);
211 }
212 cvmx_usb_close_pipe(&sc->sc_port[td->qh->port_index].state, td->qh->ep_handle);
213
214 td->qh->ep_allocated = 0;
215}
216
217static void
218octusb_complete_cb(cvmx_usb_state_t *state,
219 cvmx_usb_callback_t reason,
220 cvmx_usb_complete_t status,
221 int pipe_handle, int submit_handle,
222 int bytes_transferred, void *user_data)
223{
224 struct octusb_td *td;
225
226 if (reason != CVMX_USB_CALLBACK_TRANSFER_COMPLETE)
227 return;
228
229 td = user_data;
230
231 td->qh->fixup_complete = 1;
232 td->qh->fixup_pending = 0;
233 td->qh->fixup_actlen = bytes_transferred;
234 td->qh->fixup_handle = -1;
235
236 switch (status) {
237 case CVMX_USB_COMPLETE_SUCCESS:
238 case CVMX_USB_COMPLETE_SHORT:
239 td->error_any = 0;
240 td->error_stall = 0;
241 break;
242 case CVMX_USB_COMPLETE_STALL:
243 td->error_stall = 1;
244 td->error_any = 1;
245 break;
246 default:
247 td->error_any = 1;
248 break;
249 }
250}
251
252static uint8_t
253octusb_host_control_header_tx(struct octusb_td *td)
254{
255 int status;
256
257 /* allocate endpoint and check pending */
258 if (octusb_host_alloc_endpoint(td))
259 return (1); /* busy */
260
261 /* check error */
262 if (td->error_any)
263 return (0); /* done */
264
265 if (td->qh->fixup_complete != 0) {
266 /* clear complete flag */
267 td->qh->fixup_complete = 0;
268
269 /* flush data */
270 usb_pc_cpu_invalidate(td->qh->fixup_pc);
271 return (0); /* done */
272 }
273 /* verify length */
274 if (td->remainder != 8) {
275 td->error_any = 1;
276 return (0); /* done */
277 }
278 usbd_copy_out(td->pc, td->offset, td->qh->fixup_buf, 8);
279
280 /* update offset and remainder */
281 td->offset += 8;
282 td->remainder -= 8;
283
284 /* setup data length and offset */
285 td->qh->fixup_len = UGETW(td->qh->fixup_buf + 6);
286 td->qh->fixup_off = 0;
287
288 if (td->qh->fixup_len > (OCTUSB_MAX_FIXUP - 8)) {
289 td->error_any = 1;
290 return (0); /* done */
291 }
292 /* do control IN request */
293 if (td->qh->fixup_buf[0] & UE_DIR_IN) {
294
295 struct octusb_softc *sc;
296
297 /* get softc */
298 sc = td->qh->sc;
299
300 /* flush data */
301 usb_pc_cpu_flush(td->qh->fixup_pc);
302
303 status = cvmx_usb_submit_control(
304 &sc->sc_port[td->qh->port_index].state,
305 td->qh->ep_handle, td->qh->fixup_phys,
306 td->qh->fixup_phys + 8, td->qh->fixup_len,
307 &octusb_complete_cb, td);
308 /* check status */
309 if (status < 0) {
310 td->error_any = 1;
311 return (0); /* done */
312 }
313 td->qh->fixup_handle = status;
314 td->qh->fixup_pending = 1;
315 td->qh->fixup_complete = 0;
316
317 return (1); /* busy */
318 }
319 return (0); /* done */
320}
321
322static uint8_t
323octusb_host_control_data_tx(struct octusb_td *td)
324{
325 uint32_t rem;
326
327 /* allocate endpoint and check pending */
328 if (octusb_host_alloc_endpoint(td))
329 return (1); /* busy */
330
331 /* check error */
332 if (td->error_any)
333 return (0); /* done */
334
335 rem = td->qh->fixup_len - td->qh->fixup_off;
336
337 if (td->remainder > rem) {
338 td->error_any = 1;
339 DPRINTFN(1, "Excess setup transmit data\n");
340 return (0); /* done */
341 }
342 usbd_copy_out(td->pc, td->offset, td->qh->fixup_buf +
343 td->qh->fixup_off + 8, td->remainder);
344
345 td->offset += td->remainder;
346 td->qh->fixup_off += td->remainder;
347 td->remainder = 0;
348
349 return (0); /* done */
350}
351
352static uint8_t
353octusb_host_control_data_rx(struct octusb_td *td)
354{
355 uint32_t rem;
356
357 /* allocate endpoint and check pending */
358 if (octusb_host_alloc_endpoint(td))
359 return (1); /* busy */
360
361 /* check error */
362 if (td->error_any)
363 return (0); /* done */
364
365 /* copy data from buffer */
366 rem = td->qh->fixup_actlen - td->qh->fixup_off;
367
368 if (rem > td->remainder)
369 rem = td->remainder;
370
371 usbd_copy_in(td->pc, td->offset, td->qh->fixup_buf +
372 td->qh->fixup_off + 8, rem);
373
374 td->offset += rem;
375 td->remainder -= rem;
376 td->qh->fixup_off += rem;
377
378 return (0); /* done */
379}
380
381static uint8_t
382octusb_host_control_status_tx(struct octusb_td *td)
383{
384 int status;
385
386 /* allocate endpoint and check pending */
387 if (octusb_host_alloc_endpoint(td))
388 return (1); /* busy */
389
390 /* check error */
391 if (td->error_any)
392 return (0); /* done */
393
394 if (td->qh->fixup_complete != 0) {
395 /* clear complete flag */
396 td->qh->fixup_complete = 0;
397 /* done */
398 return (0);
399 }
400 /* do control IN request */
401 if (!(td->qh->fixup_buf[0] & UE_DIR_IN)) {
402
403 struct octusb_softc *sc;
404
405 /* get softc */
406 sc = td->qh->sc;
407
408 /* flush data */
409 usb_pc_cpu_flush(td->qh->fixup_pc);
410
411 /* start USB transfer */
412 status = cvmx_usb_submit_control(
413 &sc->sc_port[td->qh->port_index].state,
414 td->qh->ep_handle, td->qh->fixup_phys,
415 td->qh->fixup_phys + 8, td->qh->fixup_len,
416 &octusb_complete_cb, td);
417
418 /* check status */
419 if (status < 0) {
420 td->error_any = 1;
421 return (0); /* done */
422 }
423 td->qh->fixup_handle = status;
424 td->qh->fixup_pending = 1;
425 td->qh->fixup_complete = 0;
426
427 return (1); /* busy */
428 }
429 return (0); /* done */
430}
431
432static uint8_t
433octusb_non_control_data_tx(struct octusb_td *td)
434{
435 struct octusb_softc *sc;
436 uint32_t rem;
437 int status;
438
439 /* allocate endpoint and check pending */
440 if (octusb_host_alloc_endpoint(td))
441 return (1); /* busy */
442
443 /* check error */
444 if (td->error_any)
445 return (0); /* done */
446
447 if ((td->qh->fixup_complete != 0) &&
448 ((td->qh->ep_type & UE_XFERTYPE) == UE_ISOCHRONOUS)) {
449 td->qh->fixup_complete = 0;
450 return (0); /* done */
451 }
452 /* check complete */
453 if (td->remainder == 0) {
454 if (td->short_pkt)
455 return (0); /* complete */
456 /* else need to send a zero length packet */
457 rem = 0;
458 td->short_pkt = 1;
459 } else {
460 /* get maximum length */
461 rem = OCTUSB_MAX_FIXUP % td->qh->max_frame_size;
462 rem = OCTUSB_MAX_FIXUP - rem;
463
464 if (rem == 0) {
465 /* should not happen */
466 DPRINTFN(1, "Fixup buffer is too small\n");
467 td->error_any = 1;
468 return (0); /* done */
469 }
470 /* get minimum length */
471 if (rem > td->remainder) {
472 rem = td->remainder;
473 if ((rem == 0) || (rem % td->qh->max_frame_size))
474 td->short_pkt = 1;
475 }
476 /* copy data into fixup buffer */
477 usbd_copy_out(td->pc, td->offset, td->qh->fixup_buf, rem);
478
479 /* flush data */
480 usb_pc_cpu_flush(td->qh->fixup_pc);
481
482 /* pre-increment TX buffer offset */
483 td->offset += rem;
484 td->remainder -= rem;
485 }
486
487 /* get softc */
488 sc = td->qh->sc;
489
490 switch (td->qh->ep_type & UE_XFERTYPE) {
491 case UE_ISOCHRONOUS:
492 td->qh->iso_pkt.offset = 0;
493 td->qh->iso_pkt.length = rem;
494 td->qh->iso_pkt.status = 0;
495 /* start USB transfer */
496 status = cvmx_usb_submit_isochronous(&sc->sc_port[td->qh->port_index].state,
497 td->qh->ep_handle, 1, CVMX_USB_ISOCHRONOUS_FLAGS_ALLOW_SHORT |
498 CVMX_USB_ISOCHRONOUS_FLAGS_ASAP, 1, &td->qh->iso_pkt,
499 td->qh->fixup_phys, rem, &octusb_complete_cb, td);
500 break;
501 case UE_BULK:
502 /* start USB transfer */
503 status = cvmx_usb_submit_bulk(&sc->sc_port[td->qh->port_index].state,
504 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
505 break;
506 case UE_INTERRUPT:
507 /* start USB transfer (interrupt or interrupt) */
508 status = cvmx_usb_submit_interrupt(&sc->sc_port[td->qh->port_index].state,
509 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
510 break;
511 default:
512 status = -1;
513 break;
514 }
515
516 /* check status */
517 if (status < 0) {
518 td->error_any = 1;
519 return (0); /* done */
520 }
521 td->qh->fixup_handle = status;
522 td->qh->fixup_len = rem;
523 td->qh->fixup_pending = 1;
524 td->qh->fixup_complete = 0;
525
526 return (1); /* busy */
527}
528
529static uint8_t
530octusb_non_control_data_rx(struct octusb_td *td)
531{
532 struct octusb_softc *sc;
533 uint32_t rem;
534 int status;
535 uint8_t got_short;
536
537 /* allocate endpoint and check pending */
538 if (octusb_host_alloc_endpoint(td))
539 return (1); /* busy */
540
541 /* check error */
542 if (td->error_any)
543 return (0); /* done */
544
545 got_short = 0;
546
547 if (td->qh->fixup_complete != 0) {
548
549 /* invalidate data */
550 usb_pc_cpu_invalidate(td->qh->fixup_pc);
551
552 rem = td->qh->fixup_actlen;
553
554 /* verify transfer length */
555 if (rem != td->qh->fixup_len) {
556 if (rem < td->qh->fixup_len) {
557 /* we have a short packet */
558 td->short_pkt = 1;
559 got_short = 1;
560 } else {
561 /* invalid USB packet */
562 td->error_any = 1;
563 return (0); /* we are complete */
564 }
565 }
566 /* copy data into fixup buffer */
567 usbd_copy_in(td->pc, td->offset, td->qh->fixup_buf, rem);
568
569 /* post-increment RX buffer offset */
570 td->offset += rem;
571 td->remainder -= rem;
572
573 td->qh->fixup_complete = 0;
574
575 if ((td->qh->ep_type & UE_XFERTYPE) == UE_ISOCHRONOUS)
576 return (0); /* done */
577 }
578 /* check if we are complete */
579 if ((td->remainder == 0) || got_short) {
580 if (td->short_pkt) {
581 /* we are complete */
582 return (0);
583 }
584 /* else need to receive a zero length packet */
585 rem = 0;
586 td->short_pkt = 1;
587 } else {
588 /* get maximum length */
589 rem = OCTUSB_MAX_FIXUP % td->qh->max_frame_size;
590 rem = OCTUSB_MAX_FIXUP - rem;
591
592 if (rem == 0) {
593 /* should not happen */
594 DPRINTFN(1, "Fixup buffer is too small\n");
595 td->error_any = 1;
596 return (0); /* done */
597 }
598 /* get minimum length */
599 if (rem > td->remainder)
600 rem = td->remainder;
601 }
602
603 /* invalidate data */
604 usb_pc_cpu_invalidate(td->qh->fixup_pc);
605
606 /* get softc */
607 sc = td->qh->sc;
608
609 switch (td->qh->ep_type & UE_XFERTYPE) {
610 case UE_ISOCHRONOUS:
611 td->qh->iso_pkt.offset = 0;
612 td->qh->iso_pkt.length = rem;
613 td->qh->iso_pkt.status = 0;
614 /* start USB transfer */
615 status = cvmx_usb_submit_isochronous(&sc->sc_port[td->qh->port_index].state,
616 td->qh->ep_handle, 1, CVMX_USB_ISOCHRONOUS_FLAGS_ALLOW_SHORT |
617 CVMX_USB_ISOCHRONOUS_FLAGS_ASAP, 1, &td->qh->iso_pkt,
618 td->qh->fixup_phys, rem, &octusb_complete_cb, td);
619 break;
620 case UE_BULK:
621 /* start USB transfer */
622 status = cvmx_usb_submit_bulk(&sc->sc_port[td->qh->port_index].state,
623 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
624 break;
625 case UE_INTERRUPT:
626 /* start USB transfer */
627 status = cvmx_usb_submit_interrupt(&sc->sc_port[td->qh->port_index].state,
628 td->qh->ep_handle, td->qh->fixup_phys, rem, &octusb_complete_cb, td);
629 break;
630 default:
631 status = -1;
632 break;
633 }
634
635 /* check status */
636 if (status < 0) {
637 td->error_any = 1;
638 return (0); /* done */
639 }
640 td->qh->fixup_handle = status;
641 td->qh->fixup_len = rem;
642 td->qh->fixup_pending = 1;
643 td->qh->fixup_complete = 0;
644
645 return (1); /* busy */
646}
647
648static uint8_t
649octusb_xfer_do_fifo(struct usb_xfer *xfer)
650{
651 struct octusb_td *td;
652
653 DPRINTFN(8, "\n");
654
655 td = xfer->td_transfer_cache;
656
657 while (1) {
658 if ((td->func) (td)) {
659 /* operation in progress */
660 break;
661 }
662 if (((void *)td) == xfer->td_transfer_last) {
663 goto done;
664 }
665 if (td->error_any) {
666 goto done;
667 } else if (td->remainder > 0) {
668 /*
669 * We had a short transfer. If there is no
670 * alternate next, stop processing !
671 */
672 if (td->alt_next == 0)
673 goto done;
674 }
675 /*
676 * Fetch the next transfer descriptor and transfer
677 * some flags to the next transfer descriptor
678 */
679 td = td->obj_next;
680 xfer->td_transfer_cache = td;
681 }
682 return (1); /* not complete */
683
684done:
685 /* compute all actual lengths */
686
687 octusb_standard_done(xfer);
688
689 return (0); /* complete */
690}
691
692static usb_error_t
693octusb_standard_done_sub(struct usb_xfer *xfer)
694{
695 struct octusb_td *td;
696 uint32_t len;
697 usb_error_t error;
698
699 DPRINTFN(8, "\n");
700
701 td = xfer->td_transfer_cache;
702
703 do {
704 len = td->remainder;
705
706 if (xfer->aframes != xfer->nframes) {
707 /*
708 * Verify the length and subtract
709 * the remainder from "frlengths[]":
710 */
711 if (len > xfer->frlengths[xfer->aframes]) {
712 td->error_any = 1;
713 } else {
714 xfer->frlengths[xfer->aframes] -= len;
715 }
716 }
717 /* Check for transfer error */
718 if (td->error_any) {
719 /* the transfer is finished */
720 error = td->error_stall ? USB_ERR_STALLED : USB_ERR_IOERROR;
721 td = NULL;
722 break;
723 }
724 /* Check for short transfer */
725 if (len > 0) {
726 if (xfer->flags_int.short_frames_ok) {
727 /* follow alt next */
728 if (td->alt_next) {
729 td = td->obj_next;
730 } else {
731 td = NULL;
732 }
733 } else {
734 /* the transfer is finished */
735 td = NULL;
736 }
737 error = 0;
738 break;
739 }
740 td = td->obj_next;
741
742 /* this USB frame is complete */
743 error = 0;
744 break;
745
746 } while (0);
747
748 /* update transfer cache */
749
750 xfer->td_transfer_cache = td;
751
752 return (error);
753}
754
755static void
756octusb_standard_done(struct usb_xfer *xfer)
757{
758 struct octusb_softc *sc;
759 struct octusb_qh *qh;
760 usb_error_t error = 0;
761
762 DPRINTFN(12, "xfer=%p endpoint=%p transfer done\n",
763 xfer, xfer->endpoint);
764
765 /* reset scanner */
766
767 xfer->td_transfer_cache = xfer->td_transfer_first;
768
769 if (xfer->flags_int.control_xfr) {
770
771 if (xfer->flags_int.control_hdr)
772 error = octusb_standard_done_sub(xfer);
773
774 xfer->aframes = 1;
775
776 if (xfer->td_transfer_cache == NULL)
777 goto done;
778 }
779 while (xfer->aframes != xfer->nframes) {
780
781 error = octusb_standard_done_sub(xfer);
782
783 xfer->aframes++;
784
785 if (xfer->td_transfer_cache == NULL)
786 goto done;
787 }
788
789 if (xfer->flags_int.control_xfr &&
790 !xfer->flags_int.control_act)
791 error = octusb_standard_done_sub(xfer);
792
793done:
794 /* update data toggle */
795
796 qh = xfer->qh_start[0];
797 sc = qh->sc;
798
799 xfer->endpoint->toggle_next =
800 cvmx_usb_get_toggle(
801 &sc->sc_port[qh->port_index].state,
802 qh->ep_handle) ? 1 : 0;
803
804 octusb_device_done(xfer, error);
805}
806
807static void
808octusb_interrupt_poll(struct octusb_softc *sc)
809{
810 struct usb_xfer *xfer;
811 uint8_t x;
812
813 /* poll all ports */
814 for (x = 0; x != sc->sc_noport; x++)
815 cvmx_usb_poll(&sc->sc_port[x].state);
816
817repeat:
818 TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) {
819 if (!octusb_xfer_do_fifo(xfer)) {
820 /* queue has been modified */
821 goto repeat;
822 }
823 }
824}
825
826static void
827octusb_start_standard_chain(struct usb_xfer *xfer)
828{
829 DPRINTFN(8, "\n");
830
831 /* poll one time */
832 if (octusb_xfer_do_fifo(xfer)) {
833
834 /* put transfer on interrupt queue */
835 usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer);
836
837 /* start timeout, if any */
838 if (xfer->timeout != 0) {
839 usbd_transfer_timeout_ms(xfer,
840 &octusb_timeout, xfer->timeout);
841 }
842 }
843}
844
845void
846octusb_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb)
847{
848
849}
850
851usb_error_t
852octusb_init(struct octusb_softc *sc)
853{
854 cvmx_usb_initialize_flags_t flags;
855 int status;
856 uint8_t x;
857
858 /* flush all cache into memory */
859
860 usb_bus_mem_flush_all(&sc->sc_bus, &octusb_iterate_hw_softc);
861
862 /* set up the bus struct */
863 sc->sc_bus.methods = &octusb_bus_methods;
864
865 /* get number of ports */
866 sc->sc_noport = cvmx_usb_get_num_ports();
867
868 /* check number of ports */
869 if (sc->sc_noport > OCTUSB_MAX_PORTS)
870 sc->sc_noport = OCTUSB_MAX_PORTS;
871
872 /* set USB revision */
873 sc->sc_bus.usbrev = USB_REV_2_0;
874
875 /* flags for port initialization */
876 flags = CVMX_USB_INITIALIZE_FLAGS_CLOCK_AUTO;
877#ifdef USB_DEBUG
878 if (octusbdebug > 100)
879 flags |= CVMX_USB_INITIALIZE_FLAGS_DEBUG_ALL;
880#endif
881
882 USB_BUS_LOCK(&sc->sc_bus);
883
884 /* setup all ports */
885 for (x = 0; x != sc->sc_noport; x++) {
886 status = cvmx_usb_initialize(&sc->sc_port[x].state, x, flags);
887 if (status < 0)
888 sc->sc_port[x].disabled = 1;
889 }
890
891 USB_BUS_UNLOCK(&sc->sc_bus);
892
893 /* catch lost interrupts */
894 octusb_do_poll(&sc->sc_bus);
895
896 return (0);
897}
898
899usb_error_t
900octusb_uninit(struct octusb_softc *sc)
901{
902 uint8_t x;
903
904 USB_BUS_LOCK(&sc->sc_bus);
905
906 for (x = 0; x != sc->sc_noport; x++) {
907 if (sc->sc_port[x].disabled == 0)
908 cvmx_usb_shutdown(&sc->sc_port[x].state);
909 }
910 USB_BUS_UNLOCK(&sc->sc_bus);
911
912 return (0);
913
914}
915
|
926}
927
928/*------------------------------------------------------------------------*
929 * octusb_interrupt - OCTUSB interrupt handler
930 *------------------------------------------------------------------------*/
931void
932octusb_interrupt(struct octusb_softc *sc)
933{
934 USB_BUS_LOCK(&sc->sc_bus);
935
936 DPRINTFN(16, "real interrupt\n");
937
938 /* poll all the USB transfers */
939 octusb_interrupt_poll(sc);
940
941 USB_BUS_UNLOCK(&sc->sc_bus);
942}
943
944/*------------------------------------------------------------------------*
945 * octusb_timeout - OCTUSB transfer timeout handler
946 *------------------------------------------------------------------------*/
947static void
948octusb_timeout(void *arg)
949{
950 struct usb_xfer *xfer = arg;
951
952 DPRINTF("xfer=%p\n", xfer);
953
954 USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED);
955
956 /* transfer is transferred */
957 octusb_device_done(xfer, USB_ERR_TIMEOUT);
958}
959
960/*------------------------------------------------------------------------*
961 * octusb_do_poll - OCTUSB poll transfers
962 *------------------------------------------------------------------------*/
963static void
964octusb_do_poll(struct usb_bus *bus)
965{
966 struct octusb_softc *sc = OCTUSB_BUS2SC(bus);
967
968 USB_BUS_LOCK(&sc->sc_bus);
969 octusb_interrupt_poll(sc);
970 USB_BUS_UNLOCK(&sc->sc_bus);
971}
972
973static void
974octusb_setup_standard_chain_sub(struct octusb_std_temp *temp)
975{
976 struct octusb_td *td;
977
978 /* get current Transfer Descriptor */
979 td = temp->td_next;
980 temp->td = td;
981
982 /* prepare for next TD */
983 temp->td_next = td->obj_next;
984
985 /* fill out the Transfer Descriptor */
986 td->func = temp->func;
987 td->pc = temp->pc;
988 td->offset = temp->offset;
989 td->remainder = temp->len;
990 td->error_any = 0;
991 td->error_stall = 0;
992 td->short_pkt = temp->short_pkt;
993 td->alt_next = temp->setup_alt_next;
994}
995
996static void
997octusb_setup_standard_chain(struct usb_xfer *xfer)
998{
999 struct octusb_std_temp temp;
1000 struct octusb_td *td;
1001 uint32_t x;
1002
1003 DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n",
1004 xfer->address, UE_GET_ADDR(xfer->endpointno),
1005 xfer->sumlen, usbd_get_speed(xfer->xroot->udev));
1006
1007 /* setup starting point */
1008 td = xfer->td_start[0];
1009 xfer->td_transfer_first = td;
1010 xfer->td_transfer_cache = td;
1011
1012 temp.td = NULL;
1013 temp.td_next = td;
1014 temp.setup_alt_next = xfer->flags_int.short_frames_ok;
1015 temp.offset = 0;
1016
1017 /* check if we should prepend a setup message */
1018
1019 if (xfer->flags_int.control_xfr) {
1020
1021 if (xfer->flags_int.control_hdr) {
1022
1023 temp.func = &octusb_host_control_header_tx;
1024 temp.len = xfer->frlengths[0];
1025 temp.pc = xfer->frbuffers + 0;
1026 temp.short_pkt = temp.len ? 1 : 0;
1027
1028 /* check for last frame */
1029 if (xfer->nframes == 1) {
1030 /*
1031 * no STATUS stage yet, SETUP is
1032 * last
1033 */
1034 if (xfer->flags_int.control_act)
1035 temp.setup_alt_next = 0;
1036 }
1037 octusb_setup_standard_chain_sub(&temp);
1038 }
1039 x = 1;
1040 } else {
1041 x = 0;
1042 }
1043
1044 if (x != xfer->nframes) {
1045 if (xfer->endpointno & UE_DIR_IN) {
1046 if (xfer->flags_int.control_xfr)
1047 temp.func = &octusb_host_control_data_rx;
1048 else
1049 temp.func = &octusb_non_control_data_rx;
1050 } else {
1051 if (xfer->flags_int.control_xfr)
1052 temp.func = &octusb_host_control_data_tx;
1053 else
1054 temp.func = &octusb_non_control_data_tx;
1055 }
1056
1057 /* setup "pc" pointer */
1058 temp.pc = xfer->frbuffers + x;
1059 }
1060 while (x != xfer->nframes) {
1061
1062 /* DATA0 or DATA1 message */
1063
1064 temp.len = xfer->frlengths[x];
1065
1066 x++;
1067
1068 if (x == xfer->nframes) {
1069 if (xfer->flags_int.control_xfr) {
1070 /* no STATUS stage yet, DATA is last */
1071 if (xfer->flags_int.control_act)
1072 temp.setup_alt_next = 0;
1073 } else {
1074 temp.setup_alt_next = 0;
1075 }
1076 }
1077 if (temp.len == 0) {
1078
1079 /* make sure that we send an USB packet */
1080
1081 temp.short_pkt = 0;
1082
1083 } else {
1084
1085 /* regular data transfer */
1086
1087 temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1;
1088 }
1089
1090 octusb_setup_standard_chain_sub(&temp);
1091
1092 if (xfer->flags_int.isochronous_xfr) {
1093 /* get next data offset */
1094 temp.offset += temp.len;
1095 } else {
1096 /* get next Page Cache pointer */
1097 temp.pc = xfer->frbuffers + x;
1098 }
1099 }
1100
1101 /* check if we should append a status stage */
1102
1103 if (xfer->flags_int.control_xfr &&
1104 !xfer->flags_int.control_act) {
1105
1106 temp.func = &octusb_host_control_status_tx;
1107 temp.len = 0;
1108 temp.pc = NULL;
1109 temp.short_pkt = 0;
1110 temp.setup_alt_next = 0;
1111
1112 octusb_setup_standard_chain_sub(&temp);
1113 }
1114 /* must have at least one frame! */
1115 td = temp.td;
1116 xfer->td_transfer_last = td;
1117
1118 /* properly setup QH */
1119
1120 td->qh->ep_allocated = 0;
1121 td->qh->ep_toggle_next = xfer->endpoint->toggle_next ? 1 : 0;
1122}
1123
1124/*------------------------------------------------------------------------*
1125 * octusb_device_done - OCTUSB transfers done code
1126 *
1127 * NOTE: This function can be called more than one time in a row.
1128 *------------------------------------------------------------------------*/
1129static void
1130octusb_device_done(struct usb_xfer *xfer, usb_error_t error)
1131{
1132 USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED);
1133
1134 DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n",
1135 xfer, xfer->endpoint, error);
1136
1137 /*
1138 * 1) Free any endpoints.
1139 * 2) Control transfers can be split and we should not re-open
1140 * the data pipe between transactions unless there is an error.
1141 */
1142 if ((xfer->flags_int.control_act == 0) || (error != 0)) {
1143 struct octusb_td *td;
1144
1145 td = xfer->td_start[0];
1146
1147 octusb_host_free_endpoint(td);
1148 }
1149 /* dequeue transfer and start next transfer */
1150 usbd_transfer_done(xfer, error);
1151}
1152
1153/*------------------------------------------------------------------------*
1154 * octusb bulk support
1155 *------------------------------------------------------------------------*/
1156static void
1157octusb_device_bulk_open(struct usb_xfer *xfer)
1158{
1159 return;
1160}
1161
1162static void
1163octusb_device_bulk_close(struct usb_xfer *xfer)
1164{
1165 octusb_device_done(xfer, USB_ERR_CANCELLED);
1166}
1167
1168static void
1169octusb_device_bulk_enter(struct usb_xfer *xfer)
1170{
1171 return;
1172}
1173
1174static void
1175octusb_device_bulk_start(struct usb_xfer *xfer)
1176{
1177 /* setup TDs */
1178 octusb_setup_standard_chain(xfer);
1179 octusb_start_standard_chain(xfer);
1180}
1181
1182struct usb_pipe_methods octusb_device_bulk_methods =
1183{
1184 .open = octusb_device_bulk_open,
1185 .close = octusb_device_bulk_close,
1186 .enter = octusb_device_bulk_enter,
1187 .start = octusb_device_bulk_start,
1188};
1189
1190/*------------------------------------------------------------------------*
1191 * octusb control support
1192 *------------------------------------------------------------------------*/
1193static void
1194octusb_device_ctrl_open(struct usb_xfer *xfer)
1195{
1196 return;
1197}
1198
1199static void
1200octusb_device_ctrl_close(struct usb_xfer *xfer)
1201{
1202 octusb_device_done(xfer, USB_ERR_CANCELLED);
1203}
1204
1205static void
1206octusb_device_ctrl_enter(struct usb_xfer *xfer)
1207{
1208 return;
1209}
1210
1211static void
1212octusb_device_ctrl_start(struct usb_xfer *xfer)
1213{
1214 /* setup TDs */
1215 octusb_setup_standard_chain(xfer);
1216 octusb_start_standard_chain(xfer);
1217}
1218
1219struct usb_pipe_methods octusb_device_ctrl_methods =
1220{
1221 .open = octusb_device_ctrl_open,
1222 .close = octusb_device_ctrl_close,
1223 .enter = octusb_device_ctrl_enter,
1224 .start = octusb_device_ctrl_start,
1225};
1226
1227/*------------------------------------------------------------------------*
1228 * octusb interrupt support
1229 *------------------------------------------------------------------------*/
1230static void
1231octusb_device_intr_open(struct usb_xfer *xfer)
1232{
1233 return;
1234}
1235
1236static void
1237octusb_device_intr_close(struct usb_xfer *xfer)
1238{
1239 octusb_device_done(xfer, USB_ERR_CANCELLED);
1240}
1241
1242static void
1243octusb_device_intr_enter(struct usb_xfer *xfer)
1244{
1245 return;
1246}
1247
1248static void
1249octusb_device_intr_start(struct usb_xfer *xfer)
1250{
1251 /* setup TDs */
1252 octusb_setup_standard_chain(xfer);
1253 octusb_start_standard_chain(xfer);
1254}
1255
1256struct usb_pipe_methods octusb_device_intr_methods =
1257{
1258 .open = octusb_device_intr_open,
1259 .close = octusb_device_intr_close,
1260 .enter = octusb_device_intr_enter,
1261 .start = octusb_device_intr_start,
1262};
1263
1264/*------------------------------------------------------------------------*
1265 * octusb isochronous support
1266 *------------------------------------------------------------------------*/
1267static void
1268octusb_device_isoc_open(struct usb_xfer *xfer)
1269{
1270 return;
1271}
1272
1273static void
1274octusb_device_isoc_close(struct usb_xfer *xfer)
1275{
1276 octusb_device_done(xfer, USB_ERR_CANCELLED);
1277}
1278
1279static void
1280octusb_device_isoc_enter(struct usb_xfer *xfer)
1281{
1282 struct octusb_softc *sc = OCTUSB_BUS2SC(xfer->xroot->bus);
1283 uint32_t temp;
1284 uint32_t frame_count;
1285 uint32_t fs_frames;
1286
1287 DPRINTFN(5, "xfer=%p next=%d nframes=%d\n",
1288 xfer, xfer->endpoint->isoc_next, xfer->nframes);
1289
1290 /* get the current frame index */
1291
1292 frame_count = cvmx_usb_get_frame_number(
1293 &sc->sc_port[xfer->xroot->udev->port_index].state);
1294
1295 /*
1296 * check if the frame index is within the window where the frames
1297 * will be inserted
1298 */
1299 temp = (frame_count - xfer->endpoint->isoc_next) & 0x7FF;
1300
1301 if (usbd_get_speed(xfer->xroot->udev) == USB_SPEED_HIGH) {
1302 fs_frames = (xfer->nframes + 7) / 8;
1303 } else {
1304 fs_frames = xfer->nframes;
1305 }
1306
1307 if ((xfer->endpoint->is_synced == 0) || (temp < fs_frames)) {
1308 /*
1309 * If there is data underflow or the pipe queue is
1310 * empty we schedule the transfer a few frames ahead
1311 * of the current frame position. Else two isochronous
1312 * transfers might overlap.
1313 */
1314 xfer->endpoint->isoc_next = (frame_count + 3) & 0x7FF;
1315 xfer->endpoint->is_synced = 1;
1316 DPRINTFN(2, "start next=%d\n", xfer->endpoint->isoc_next);
1317 }
1318 /*
1319 * compute how many milliseconds the insertion is ahead of the
1320 * current frame position:
1321 */
1322 temp = (xfer->endpoint->isoc_next - frame_count) & 0x7FF;
1323
1324 /*
1325 * pre-compute when the isochronous transfer will be finished:
1326 */
1327 xfer->isoc_time_complete =
1328 usb_isoc_time_expand(&sc->sc_bus, frame_count) + temp +
1329 fs_frames;
1330
1331 /* compute frame number for next insertion */
1332 xfer->endpoint->isoc_next += fs_frames;
1333}
1334
1335static void
1336octusb_device_isoc_start(struct usb_xfer *xfer)
1337{
1338 /* setup TDs */
1339 octusb_setup_standard_chain(xfer);
1340 octusb_start_standard_chain(xfer);
1341}
1342
1343struct usb_pipe_methods octusb_device_isoc_methods =
1344{
1345 .open = octusb_device_isoc_open,
1346 .close = octusb_device_isoc_close,
1347 .enter = octusb_device_isoc_enter,
1348 .start = octusb_device_isoc_start,
1349};
1350
1351/*------------------------------------------------------------------------*
1352 * OCTUSB root HUB support
1353 *------------------------------------------------------------------------*
1354 * Simulate a hardware HUB by handling all the necessary requests.
1355 *------------------------------------------------------------------------*/
1356static const
1357struct usb_device_descriptor octusb_devd = {
1358 .bLength = sizeof(octusb_devd),
1359 .bDescriptorType = UDESC_DEVICE,
1360 .bcdUSB = {0x00, 0x02},
1361 .bDeviceClass = UDCLASS_HUB,
1362 .bDeviceSubClass = UDSUBCLASS_HUB,
1363 .bDeviceProtocol = UDPROTO_FSHUB,
1364 .bMaxPacketSize = 64,
1365 .idVendor = {0},
1366 .idProduct = {0},
1367 .bcdDevice = {0x00, 0x01},
1368 .iManufacturer = 1,
1369 .iProduct = 2,
1370 .iSerialNumber = 0,
1371 .bNumConfigurations = 1,
1372};
1373
1374static const
1375struct usb_device_qualifier octusb_odevd = {
1376 .bLength = sizeof(octusb_odevd),
1377 .bDescriptorType = UDESC_DEVICE_QUALIFIER,
1378 .bcdUSB = {0x00, 0x02},
1379 .bDeviceClass = UDCLASS_HUB,
1380 .bDeviceSubClass = UDSUBCLASS_HUB,
1381 .bDeviceProtocol = UDPROTO_FSHUB,
1382 .bMaxPacketSize0 = 0,
1383 .bNumConfigurations = 0,
1384 .bReserved = 0,
1385};
1386
1387static const
1388struct octusb_config_desc octusb_confd = {
1389 .confd = {
1390 .bLength = sizeof(struct usb_config_descriptor),
1391 .bDescriptorType = UDESC_CONFIG,
1392 .wTotalLength[0] = sizeof(octusb_confd),
1393 .bNumInterface = 1,
1394 .bConfigurationValue = 1,
1395 .iConfiguration = 0,
1396 .bmAttributes = UC_SELF_POWERED,
1397 .bMaxPower = 0 /* max power */
1398 },
1399 .ifcd = {
1400 .bLength = sizeof(struct usb_interface_descriptor),
1401 .bDescriptorType = UDESC_INTERFACE,
1402 .bNumEndpoints = 1,
1403 .bInterfaceClass = UICLASS_HUB,
1404 .bInterfaceSubClass = UISUBCLASS_HUB,
1405 .bInterfaceProtocol = UIPROTO_FSHUB,
1406 },
1407 .endpd = {
1408 .bLength = sizeof(struct usb_endpoint_descriptor),
1409 .bDescriptorType = UDESC_ENDPOINT,
1410 .bEndpointAddress = UE_DIR_IN | OCTUSB_INTR_ENDPT,
1411 .bmAttributes = UE_INTERRUPT,
1412 .wMaxPacketSize[0] = 8, /* max packet (63 ports) */
1413 .bInterval = 255,
1414 },
1415};
1416
1417static const
1418struct usb_hub_descriptor_min octusb_hubd =
1419{
1420 .bDescLength = sizeof(octusb_hubd),
1421 .bDescriptorType = UDESC_HUB,
1422 .bNbrPorts = 2,
1423 .wHubCharacteristics = {UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0},
1424 .bPwrOn2PwrGood = 50,
1425 .bHubContrCurrent = 0,
1426 .DeviceRemovable = {0x00}, /* all ports are removable */
1427};
1428
1429static usb_error_t
1430octusb_roothub_exec(struct usb_device *udev,
1431 struct usb_device_request *req, const void **pptr, uint16_t *plength)
1432{
1433 struct octusb_softc *sc = OCTUSB_BUS2SC(udev->bus);
1434 const void *ptr;
1435 const char *str_ptr;
1436 uint16_t value;
1437 uint16_t index;
1438 uint16_t status;
1439 uint16_t change;
1440 uint16_t len;
1441 usb_error_t err;
1442 cvmx_usb_port_status_t usb_port_status;
1443
1444 USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED);
1445
1446 /* XXX disable power save mode, hence it is not supported */
1447 udev->power_mode = USB_POWER_MODE_ON;
1448
1449 /* buffer reset */
1450 ptr = (const void *)&sc->sc_hub_desc.temp;
1451 len = 0;
1452 err = 0;
1453
1454 value = UGETW(req->wValue);
1455 index = UGETW(req->wIndex);
1456
1457 DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x "
1458 "wValue=0x%04x wIndex=0x%04x\n",
1459 req->bmRequestType, req->bRequest,
1460 UGETW(req->wLength), value, index);
1461
1462#define C(x,y) ((x) | ((y) << 8))
1463 switch (C(req->bRequest, req->bmRequestType)) {
1464 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE):
1465 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE):
1466 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT):
1467 break;
1468 case C(UR_GET_CONFIG, UT_READ_DEVICE):
1469 len = 1;
1470 sc->sc_hub_desc.temp[0] = sc->sc_conf;
1471 break;
1472 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
1473 switch (value >> 8) {
1474 case UDESC_DEVICE:
1475 if ((value & 0xff) != 0) {
1476 err = USB_ERR_IOERROR;
1477 goto done;
1478 }
1479 len = sizeof(octusb_devd);
1480
1481 ptr = (const void *)&octusb_devd;
1482 break;
1483
1484 case UDESC_DEVICE_QUALIFIER:
1485 if ((value & 0xff) != 0) {
1486 err = USB_ERR_IOERROR;
1487 goto done;
1488 }
1489 len = sizeof(octusb_odevd);
1490 ptr = (const void *)&octusb_odevd;
1491 break;
1492
1493 case UDESC_CONFIG:
1494 if ((value & 0xff) != 0) {
1495 err = USB_ERR_IOERROR;
1496 goto done;
1497 }
1498 len = sizeof(octusb_confd);
1499 ptr = (const void *)&octusb_confd;
1500 break;
1501
1502 case UDESC_STRING:
1503 switch (value & 0xff) {
1504 case 0: /* Language table */
1505 str_ptr = "\001";
1506 break;
1507
1508 case 1: /* Vendor */
1509 str_ptr = "Cavium Networks";
1510 break;
1511
1512 case 2: /* Product */
1513 str_ptr = "OCTUSB Root HUB";
1514 break;
1515
1516 default:
1517 str_ptr = "";
1518 break;
1519 }
1520
1521 len = usb_make_str_desc(sc->sc_hub_desc.temp,
1522 sizeof(sc->sc_hub_desc.temp), str_ptr);
1523 break;
1524
1525 default:
1526 err = USB_ERR_IOERROR;
1527 goto done;
1528 }
1529 break;
1530 case C(UR_GET_INTERFACE, UT_READ_INTERFACE):
1531 len = 1;
1532 sc->sc_hub_desc.temp[0] = 0;
1533 break;
1534 case C(UR_GET_STATUS, UT_READ_DEVICE):
1535 len = 2;
1536 USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED);
1537 break;
1538 case C(UR_GET_STATUS, UT_READ_INTERFACE):
1539 case C(UR_GET_STATUS, UT_READ_ENDPOINT):
1540 len = 2;
1541 USETW(sc->sc_hub_desc.stat.wStatus, 0);
1542 break;
1543 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE):
1544 if (value >= OCTUSB_MAX_DEVICES) {
1545 err = USB_ERR_IOERROR;
1546 goto done;
1547 }
1548 sc->sc_addr = value;
1549 break;
1550 case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
1551 if ((value != 0) && (value != 1)) {
1552 err = USB_ERR_IOERROR;
1553 goto done;
1554 }
1555 sc->sc_conf = value;
1556 break;
1557 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE):
1558 break;
1559 case C(UR_SET_FEATURE, UT_WRITE_DEVICE):
1560 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE):
1561 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT):
1562 err = USB_ERR_IOERROR;
1563 goto done;
1564 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
1565 break;
1566 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT):
1567 break;
1568 /* Hub requests */
1569 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
1570 break;
1571 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
1572 DPRINTFN(4, "UR_CLEAR_PORT_FEATURE "
1573 "port=%d feature=%d\n",
1574 index, value);
1575 if ((index < 1) ||
1576 (index > sc->sc_noport) ||
1577 sc->sc_port[index - 1].disabled) {
1578 err = USB_ERR_IOERROR;
1579 goto done;
1580 }
1581 index--;
1582
1583 switch (value) {
1584 case UHF_PORT_ENABLE:
1585 cvmx_usb_disable(&sc->sc_port[index].state);
1586 break;
1587 case UHF_PORT_SUSPEND:
1588 case UHF_PORT_RESET:
1589 break;
1590 case UHF_C_PORT_CONNECTION:
1591 cvmx_usb_set_status(&sc->sc_port[index].state,
1592 cvmx_usb_get_status(&sc->sc_port[index].state));
1593 break;
1594 case UHF_C_PORT_ENABLE:
1595 cvmx_usb_set_status(&sc->sc_port[index].state,
1596 cvmx_usb_get_status(&sc->sc_port[index].state));
1597 break;
1598 case UHF_C_PORT_OVER_CURRENT:
1599 cvmx_usb_set_status(&sc->sc_port[index].state,
1600 cvmx_usb_get_status(&sc->sc_port[index].state));
1601 break;
1602 case UHF_C_PORT_RESET:
1603 sc->sc_isreset = 0;
1604 goto done;
1605 case UHF_C_PORT_SUSPEND:
1606 break;
1607 case UHF_PORT_CONNECTION:
1608 case UHF_PORT_OVER_CURRENT:
1609 case UHF_PORT_POWER:
1610 case UHF_PORT_LOW_SPEED:
1611 default:
1612 err = USB_ERR_IOERROR;
1613 goto done;
1614 }
1615 break;
1616 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
1617 if ((value & 0xff) != 0) {
1618 err = USB_ERR_IOERROR;
1619 goto done;
1620 }
1621 sc->sc_hubd = octusb_hubd;
1622 sc->sc_hubd.bNbrPorts = sc->sc_noport;
1623 len = sizeof(sc->sc_hubd);
1624 ptr = (const void *)&sc->sc_hubd;
1625 break;
1626 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
1627 len = 16;
1628 memset(sc->sc_hub_desc.temp, 0, 16);
1629 break;
1630 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
1631 if ((index < 1) ||
1632 (index > sc->sc_noport) ||
1633 sc->sc_port[index - 1].disabled) {
1634 err = USB_ERR_IOERROR;
1635 goto done;
1636 }
1637 index--;
1638
1639 usb_port_status = cvmx_usb_get_status(&sc->sc_port[index].state);
1640
1641 status = change = 0;
1642 if (usb_port_status.connected)
1643 status |= UPS_CURRENT_CONNECT_STATUS;
1644 if (usb_port_status.port_enabled)
1645 status |= UPS_PORT_ENABLED;
1646 if (usb_port_status.port_over_current)
1647 status |= UPS_OVERCURRENT_INDICATOR;
1648 if (usb_port_status.port_powered)
1649 status |= UPS_PORT_POWER;
1650
1651 switch (usb_port_status.port_speed) {
1652 case CVMX_USB_SPEED_HIGH:
1653 status |= UPS_HIGH_SPEED;
1654 break;
1655 case CVMX_USB_SPEED_FULL:
1656 break;
1657 default:
1658 status |= UPS_LOW_SPEED;
1659 break;
1660 }
1661
1662 if (usb_port_status.connect_change)
1663 change |= UPS_C_CONNECT_STATUS;
1664 if (sc->sc_isreset)
1665 change |= UPS_C_PORT_RESET;
1666
1667 USETW(sc->sc_hub_desc.ps.wPortStatus, status);
1668 USETW(sc->sc_hub_desc.ps.wPortChange, change);
1669
1670 len = sizeof(sc->sc_hub_desc.ps);
1671 break;
1672 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
1673 err = USB_ERR_IOERROR;
1674 goto done;
1675 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
1676 break;
1677 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
1678 if ((index < 1) ||
1679 (index > sc->sc_noport) ||
1680 sc->sc_port[index - 1].disabled) {
1681 err = USB_ERR_IOERROR;
1682 goto done;
1683 }
1684 index--;
1685
1686 switch (value) {
1687 case UHF_PORT_ENABLE:
1688 break;
1689 case UHF_PORT_RESET:
1690 cvmx_usb_disable(&sc->sc_port[index].state);
1691 if (cvmx_usb_enable(&sc->sc_port[index].state)) {
1692 err = USB_ERR_IOERROR;
1693 goto done;
1694 }
1695 sc->sc_isreset = 1;
1696 goto done;
1697 case UHF_PORT_POWER:
1698 /* pretend we turned on power */
1699 goto done;
1700 case UHF_PORT_SUSPEND:
1701 case UHF_C_PORT_CONNECTION:
1702 case UHF_C_PORT_ENABLE:
1703 case UHF_C_PORT_OVER_CURRENT:
1704 case UHF_PORT_CONNECTION:
1705 case UHF_PORT_OVER_CURRENT:
1706 case UHF_PORT_LOW_SPEED:
1707 case UHF_C_PORT_SUSPEND:
1708 case UHF_C_PORT_RESET:
1709 default:
1710 err = USB_ERR_IOERROR;
1711 goto done;
1712 }
1713 break;
1714 default:
1715 err = USB_ERR_IOERROR;
1716 goto done;
1717 }
1718done:
1719 *plength = len;
1720 *pptr = ptr;
1721 return (err);
1722}
1723
1724static void
1725octusb_xfer_setup(struct usb_setup_params *parm)
1726{
1727 struct usb_page_search page_info;
1728 struct usb_page_cache *pc;
1729 struct octusb_softc *sc;
1730 struct octusb_qh *qh;
1731 struct usb_xfer *xfer;
1732 void *last_obj;
1733 uint32_t n;
1734 uint32_t ntd;
1735
1736 sc = OCTUSB_BUS2SC(parm->udev->bus);
1737 xfer = parm->curr_xfer;
1738 qh = NULL;
1739
1740 /*
1741 * NOTE: This driver does not use any of the parameters that
1742 * are computed from the following values. Just set some
1743 * reasonable dummies:
1744 */
1745
1746 parm->hc_max_packet_size = 0x400;
1747 parm->hc_max_packet_count = 3;
1748 parm->hc_max_frame_size = 0xC00;
1749
1750 usbd_transfer_setup_sub(parm);
1751
1752 if (parm->err)
1753 return;
1754
1755 /* Allocate a queue head */
1756
1757 if (usbd_transfer_setup_sub_malloc(
1758 parm, &pc, sizeof(struct octusb_qh),
1759 USB_HOST_ALIGN, 1)) {
1760 parm->err = USB_ERR_NOMEM;
1761 return;
1762 }
1763 if (parm->buf) {
1764 usbd_get_page(pc, 0, &page_info);
1765
1766 qh = page_info.buffer;
1767
1768 /* fill out QH */
1769
1770 qh->sc = OCTUSB_BUS2SC(xfer->xroot->bus);
1771 qh->max_frame_size = xfer->max_frame_size;
1772 qh->max_packet_size = xfer->max_packet_size;
1773 qh->ep_num = xfer->endpointno;
1774 qh->ep_type = xfer->endpoint->edesc->bmAttributes;
1775 qh->dev_addr = xfer->address;
1776 qh->dev_speed = usbd_get_speed(xfer->xroot->udev);
1777 qh->port_index = xfer->xroot->udev->port_index;
1778
1779 switch (xfer->endpoint->edesc->bmAttributes & UE_XFERTYPE) {
1780 case UE_INTERRUPT:
1781 if (usbd_get_speed(xfer->xroot->udev) == USB_SPEED_HIGH)
1782 qh->ep_interval = xfer->interval * 8;
1783 else
1784 qh->ep_interval = xfer->interval * 1;
1785 break;
1786 case UE_ISOCHRONOUS:
1787 qh->ep_interval = 1 << xfer->fps_shift;
1788 break;
1789 default:
1790 qh->ep_interval = 0;
1791 break;
1792 }
1793
1794 qh->ep_mult = xfer->max_packet_count & 3;
1795 qh->hs_hub_addr = xfer->xroot->udev->hs_hub_addr;
1796 qh->hs_hub_port = xfer->xroot->udev->hs_port_no;
1797 }
1798 xfer->qh_start[0] = qh;
1799
1800 /* Allocate a fixup buffer */
1801
1802 if (usbd_transfer_setup_sub_malloc(
1803 parm, &pc, OCTUSB_MAX_FIXUP,
1804 OCTUSB_MAX_FIXUP, 1)) {
1805 parm->err = USB_ERR_NOMEM;
1806 return;
1807 }
1808 if (parm->buf) {
1809 usbd_get_page(pc, 0, &page_info);
1810
1811 qh->fixup_phys = page_info.physaddr;
1812 qh->fixup_pc = pc;
1813 qh->fixup_buf = page_info.buffer;
1814 }
1815 /* Allocate transfer descriptors */
1816
1817 last_obj = NULL;
1818
1819 ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ;
1820
1821 if (usbd_transfer_setup_sub_malloc(
1822 parm, &pc, sizeof(struct octusb_td),
1823 USB_HOST_ALIGN, ntd)) {
1824 parm->err = USB_ERR_NOMEM;
1825 return;
1826 }
1827 if (parm->buf) {
1828 for (n = 0; n != ntd; n++) {
1829 struct octusb_td *td;
1830
1831 usbd_get_page(pc + n, 0, &page_info);
1832
1833 td = page_info.buffer;
1834
1835 td->qh = qh;
1836 td->obj_next = last_obj;
1837
1838 last_obj = td;
1839 }
1840 }
1841 xfer->td_start[0] = last_obj;
1842}
1843
1844static void
1845octusb_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc,
1846 struct usb_endpoint *ep)
1847{
1848 struct octusb_softc *sc = OCTUSB_BUS2SC(udev->bus);
1849
1850 DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d (%d)\n",
1851 ep, udev->address, edesc->bEndpointAddress,
1852 udev->flags.usb_mode, sc->sc_addr);
1853
1854 if (udev->flags.usb_mode != USB_MODE_HOST) {
1855 /* not supported */
1856 return;
1857 }
1858 if (udev->device_index != sc->sc_addr) {
1859 switch (edesc->bmAttributes & UE_XFERTYPE) {
1860 case UE_CONTROL:
1861 ep->methods = &octusb_device_ctrl_methods;
1862 break;
1863 case UE_INTERRUPT:
1864 ep->methods = &octusb_device_intr_methods;
1865 break;
1866 case UE_ISOCHRONOUS:
1867 if (udev->speed != USB_SPEED_LOW)
1868 ep->methods = &octusb_device_isoc_methods;
1869 break;
1870 case UE_BULK:
1871 ep->methods = &octusb_device_bulk_methods;
1872 break;
1873 default:
1874 /* do nothing */
1875 break;
1876 }
1877 }
1878}
1879
1880static void
1881octusb_xfer_unsetup(struct usb_xfer *xfer)
1882{
1883 DPRINTF("Nothing to do.\n");
1884}
1885
1886static void
1887octusb_get_dma_delay(struct usb_device *udev, uint32_t *pus)
1888{
1889 /* DMA delay - wait until any use of memory is finished */
1890 *pus = (2125); /* microseconds */
1891}
1892
1893static void
1894octusb_device_resume(struct usb_device *udev)
1895{
1896 DPRINTF("Nothing to do.\n");
1897}
1898
1899static void
1900octusb_device_suspend(struct usb_device *udev)
1901{
1902 DPRINTF("Nothing to do.\n");
1903}
1904
1905static void
1906octusb_set_hw_power(struct usb_bus *bus)
1907{
1908 DPRINTF("Nothing to do.\n");
1909}
1910
| 926}
927
928/*------------------------------------------------------------------------*
929 * octusb_interrupt - OCTUSB interrupt handler
930 *------------------------------------------------------------------------*/
931void
932octusb_interrupt(struct octusb_softc *sc)
933{
934 USB_BUS_LOCK(&sc->sc_bus);
935
936 DPRINTFN(16, "real interrupt\n");
937
938 /* poll all the USB transfers */
939 octusb_interrupt_poll(sc);
940
941 USB_BUS_UNLOCK(&sc->sc_bus);
942}
943
944/*------------------------------------------------------------------------*
945 * octusb_timeout - OCTUSB transfer timeout handler
946 *------------------------------------------------------------------------*/
947static void
948octusb_timeout(void *arg)
949{
950 struct usb_xfer *xfer = arg;
951
952 DPRINTF("xfer=%p\n", xfer);
953
954 USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED);
955
956 /* transfer is transferred */
957 octusb_device_done(xfer, USB_ERR_TIMEOUT);
958}
959
960/*------------------------------------------------------------------------*
961 * octusb_do_poll - OCTUSB poll transfers
962 *------------------------------------------------------------------------*/
963static void
964octusb_do_poll(struct usb_bus *bus)
965{
966 struct octusb_softc *sc = OCTUSB_BUS2SC(bus);
967
968 USB_BUS_LOCK(&sc->sc_bus);
969 octusb_interrupt_poll(sc);
970 USB_BUS_UNLOCK(&sc->sc_bus);
971}
972
973static void
974octusb_setup_standard_chain_sub(struct octusb_std_temp *temp)
975{
976 struct octusb_td *td;
977
978 /* get current Transfer Descriptor */
979 td = temp->td_next;
980 temp->td = td;
981
982 /* prepare for next TD */
983 temp->td_next = td->obj_next;
984
985 /* fill out the Transfer Descriptor */
986 td->func = temp->func;
987 td->pc = temp->pc;
988 td->offset = temp->offset;
989 td->remainder = temp->len;
990 td->error_any = 0;
991 td->error_stall = 0;
992 td->short_pkt = temp->short_pkt;
993 td->alt_next = temp->setup_alt_next;
994}
995
996static void
997octusb_setup_standard_chain(struct usb_xfer *xfer)
998{
999 struct octusb_std_temp temp;
1000 struct octusb_td *td;
1001 uint32_t x;
1002
1003 DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n",
1004 xfer->address, UE_GET_ADDR(xfer->endpointno),
1005 xfer->sumlen, usbd_get_speed(xfer->xroot->udev));
1006
1007 /* setup starting point */
1008 td = xfer->td_start[0];
1009 xfer->td_transfer_first = td;
1010 xfer->td_transfer_cache = td;
1011
1012 temp.td = NULL;
1013 temp.td_next = td;
1014 temp.setup_alt_next = xfer->flags_int.short_frames_ok;
1015 temp.offset = 0;
1016
1017 /* check if we should prepend a setup message */
1018
1019 if (xfer->flags_int.control_xfr) {
1020
1021 if (xfer->flags_int.control_hdr) {
1022
1023 temp.func = &octusb_host_control_header_tx;
1024 temp.len = xfer->frlengths[0];
1025 temp.pc = xfer->frbuffers + 0;
1026 temp.short_pkt = temp.len ? 1 : 0;
1027
1028 /* check for last frame */
1029 if (xfer->nframes == 1) {
1030 /*
1031 * no STATUS stage yet, SETUP is
1032 * last
1033 */
1034 if (xfer->flags_int.control_act)
1035 temp.setup_alt_next = 0;
1036 }
1037 octusb_setup_standard_chain_sub(&temp);
1038 }
1039 x = 1;
1040 } else {
1041 x = 0;
1042 }
1043
1044 if (x != xfer->nframes) {
1045 if (xfer->endpointno & UE_DIR_IN) {
1046 if (xfer->flags_int.control_xfr)
1047 temp.func = &octusb_host_control_data_rx;
1048 else
1049 temp.func = &octusb_non_control_data_rx;
1050 } else {
1051 if (xfer->flags_int.control_xfr)
1052 temp.func = &octusb_host_control_data_tx;
1053 else
1054 temp.func = &octusb_non_control_data_tx;
1055 }
1056
1057 /* setup "pc" pointer */
1058 temp.pc = xfer->frbuffers + x;
1059 }
1060 while (x != xfer->nframes) {
1061
1062 /* DATA0 or DATA1 message */
1063
1064 temp.len = xfer->frlengths[x];
1065
1066 x++;
1067
1068 if (x == xfer->nframes) {
1069 if (xfer->flags_int.control_xfr) {
1070 /* no STATUS stage yet, DATA is last */
1071 if (xfer->flags_int.control_act)
1072 temp.setup_alt_next = 0;
1073 } else {
1074 temp.setup_alt_next = 0;
1075 }
1076 }
1077 if (temp.len == 0) {
1078
1079 /* make sure that we send an USB packet */
1080
1081 temp.short_pkt = 0;
1082
1083 } else {
1084
1085 /* regular data transfer */
1086
1087 temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1;
1088 }
1089
1090 octusb_setup_standard_chain_sub(&temp);
1091
1092 if (xfer->flags_int.isochronous_xfr) {
1093 /* get next data offset */
1094 temp.offset += temp.len;
1095 } else {
1096 /* get next Page Cache pointer */
1097 temp.pc = xfer->frbuffers + x;
1098 }
1099 }
1100
1101 /* check if we should append a status stage */
1102
1103 if (xfer->flags_int.control_xfr &&
1104 !xfer->flags_int.control_act) {
1105
1106 temp.func = &octusb_host_control_status_tx;
1107 temp.len = 0;
1108 temp.pc = NULL;
1109 temp.short_pkt = 0;
1110 temp.setup_alt_next = 0;
1111
1112 octusb_setup_standard_chain_sub(&temp);
1113 }
1114 /* must have at least one frame! */
1115 td = temp.td;
1116 xfer->td_transfer_last = td;
1117
1118 /* properly setup QH */
1119
1120 td->qh->ep_allocated = 0;
1121 td->qh->ep_toggle_next = xfer->endpoint->toggle_next ? 1 : 0;
1122}
1123
1124/*------------------------------------------------------------------------*
1125 * octusb_device_done - OCTUSB transfers done code
1126 *
1127 * NOTE: This function can be called more than one time in a row.
1128 *------------------------------------------------------------------------*/
1129static void
1130octusb_device_done(struct usb_xfer *xfer, usb_error_t error)
1131{
1132 USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED);
1133
1134 DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n",
1135 xfer, xfer->endpoint, error);
1136
1137 /*
1138 * 1) Free any endpoints.
1139 * 2) Control transfers can be split and we should not re-open
1140 * the data pipe between transactions unless there is an error.
1141 */
1142 if ((xfer->flags_int.control_act == 0) || (error != 0)) {
1143 struct octusb_td *td;
1144
1145 td = xfer->td_start[0];
1146
1147 octusb_host_free_endpoint(td);
1148 }
1149 /* dequeue transfer and start next transfer */
1150 usbd_transfer_done(xfer, error);
1151}
1152
1153/*------------------------------------------------------------------------*
1154 * octusb bulk support
1155 *------------------------------------------------------------------------*/
1156static void
1157octusb_device_bulk_open(struct usb_xfer *xfer)
1158{
1159 return;
1160}
1161
1162static void
1163octusb_device_bulk_close(struct usb_xfer *xfer)
1164{
1165 octusb_device_done(xfer, USB_ERR_CANCELLED);
1166}
1167
1168static void
1169octusb_device_bulk_enter(struct usb_xfer *xfer)
1170{
1171 return;
1172}
1173
1174static void
1175octusb_device_bulk_start(struct usb_xfer *xfer)
1176{
1177 /* setup TDs */
1178 octusb_setup_standard_chain(xfer);
1179 octusb_start_standard_chain(xfer);
1180}
1181
1182struct usb_pipe_methods octusb_device_bulk_methods =
1183{
1184 .open = octusb_device_bulk_open,
1185 .close = octusb_device_bulk_close,
1186 .enter = octusb_device_bulk_enter,
1187 .start = octusb_device_bulk_start,
1188};
1189
1190/*------------------------------------------------------------------------*
1191 * octusb control support
1192 *------------------------------------------------------------------------*/
1193static void
1194octusb_device_ctrl_open(struct usb_xfer *xfer)
1195{
1196 return;
1197}
1198
1199static void
1200octusb_device_ctrl_close(struct usb_xfer *xfer)
1201{
1202 octusb_device_done(xfer, USB_ERR_CANCELLED);
1203}
1204
1205static void
1206octusb_device_ctrl_enter(struct usb_xfer *xfer)
1207{
1208 return;
1209}
1210
1211static void
1212octusb_device_ctrl_start(struct usb_xfer *xfer)
1213{
1214 /* setup TDs */
1215 octusb_setup_standard_chain(xfer);
1216 octusb_start_standard_chain(xfer);
1217}
1218
1219struct usb_pipe_methods octusb_device_ctrl_methods =
1220{
1221 .open = octusb_device_ctrl_open,
1222 .close = octusb_device_ctrl_close,
1223 .enter = octusb_device_ctrl_enter,
1224 .start = octusb_device_ctrl_start,
1225};
1226
1227/*------------------------------------------------------------------------*
1228 * octusb interrupt support
1229 *------------------------------------------------------------------------*/
1230static void
1231octusb_device_intr_open(struct usb_xfer *xfer)
1232{
1233 return;
1234}
1235
1236static void
1237octusb_device_intr_close(struct usb_xfer *xfer)
1238{
1239 octusb_device_done(xfer, USB_ERR_CANCELLED);
1240}
1241
1242static void
1243octusb_device_intr_enter(struct usb_xfer *xfer)
1244{
1245 return;
1246}
1247
1248static void
1249octusb_device_intr_start(struct usb_xfer *xfer)
1250{
1251 /* setup TDs */
1252 octusb_setup_standard_chain(xfer);
1253 octusb_start_standard_chain(xfer);
1254}
1255
1256struct usb_pipe_methods octusb_device_intr_methods =
1257{
1258 .open = octusb_device_intr_open,
1259 .close = octusb_device_intr_close,
1260 .enter = octusb_device_intr_enter,
1261 .start = octusb_device_intr_start,
1262};
1263
1264/*------------------------------------------------------------------------*
1265 * octusb isochronous support
1266 *------------------------------------------------------------------------*/
1267static void
1268octusb_device_isoc_open(struct usb_xfer *xfer)
1269{
1270 return;
1271}
1272
1273static void
1274octusb_device_isoc_close(struct usb_xfer *xfer)
1275{
1276 octusb_device_done(xfer, USB_ERR_CANCELLED);
1277}
1278
1279static void
1280octusb_device_isoc_enter(struct usb_xfer *xfer)
1281{
1282 struct octusb_softc *sc = OCTUSB_BUS2SC(xfer->xroot->bus);
1283 uint32_t temp;
1284 uint32_t frame_count;
1285 uint32_t fs_frames;
1286
1287 DPRINTFN(5, "xfer=%p next=%d nframes=%d\n",
1288 xfer, xfer->endpoint->isoc_next, xfer->nframes);
1289
1290 /* get the current frame index */
1291
1292 frame_count = cvmx_usb_get_frame_number(
1293 &sc->sc_port[xfer->xroot->udev->port_index].state);
1294
1295 /*
1296 * check if the frame index is within the window where the frames
1297 * will be inserted
1298 */
1299 temp = (frame_count - xfer->endpoint->isoc_next) & 0x7FF;
1300
1301 if (usbd_get_speed(xfer->xroot->udev) == USB_SPEED_HIGH) {
1302 fs_frames = (xfer->nframes + 7) / 8;
1303 } else {
1304 fs_frames = xfer->nframes;
1305 }
1306
1307 if ((xfer->endpoint->is_synced == 0) || (temp < fs_frames)) {
1308 /*
1309 * If there is data underflow or the pipe queue is
1310 * empty we schedule the transfer a few frames ahead
1311 * of the current frame position. Else two isochronous
1312 * transfers might overlap.
1313 */
1314 xfer->endpoint->isoc_next = (frame_count + 3) & 0x7FF;
1315 xfer->endpoint->is_synced = 1;
1316 DPRINTFN(2, "start next=%d\n", xfer->endpoint->isoc_next);
1317 }
1318 /*
1319 * compute how many milliseconds the insertion is ahead of the
1320 * current frame position:
1321 */
1322 temp = (xfer->endpoint->isoc_next - frame_count) & 0x7FF;
1323
1324 /*
1325 * pre-compute when the isochronous transfer will be finished:
1326 */
1327 xfer->isoc_time_complete =
1328 usb_isoc_time_expand(&sc->sc_bus, frame_count) + temp +
1329 fs_frames;
1330
1331 /* compute frame number for next insertion */
1332 xfer->endpoint->isoc_next += fs_frames;
1333}
1334
1335static void
1336octusb_device_isoc_start(struct usb_xfer *xfer)
1337{
1338 /* setup TDs */
1339 octusb_setup_standard_chain(xfer);
1340 octusb_start_standard_chain(xfer);
1341}
1342
1343struct usb_pipe_methods octusb_device_isoc_methods =
1344{
1345 .open = octusb_device_isoc_open,
1346 .close = octusb_device_isoc_close,
1347 .enter = octusb_device_isoc_enter,
1348 .start = octusb_device_isoc_start,
1349};
1350
1351/*------------------------------------------------------------------------*
1352 * OCTUSB root HUB support
1353 *------------------------------------------------------------------------*
1354 * Simulate a hardware HUB by handling all the necessary requests.
1355 *------------------------------------------------------------------------*/
1356static const
1357struct usb_device_descriptor octusb_devd = {
1358 .bLength = sizeof(octusb_devd),
1359 .bDescriptorType = UDESC_DEVICE,
1360 .bcdUSB = {0x00, 0x02},
1361 .bDeviceClass = UDCLASS_HUB,
1362 .bDeviceSubClass = UDSUBCLASS_HUB,
1363 .bDeviceProtocol = UDPROTO_FSHUB,
1364 .bMaxPacketSize = 64,
1365 .idVendor = {0},
1366 .idProduct = {0},
1367 .bcdDevice = {0x00, 0x01},
1368 .iManufacturer = 1,
1369 .iProduct = 2,
1370 .iSerialNumber = 0,
1371 .bNumConfigurations = 1,
1372};
1373
1374static const
1375struct usb_device_qualifier octusb_odevd = {
1376 .bLength = sizeof(octusb_odevd),
1377 .bDescriptorType = UDESC_DEVICE_QUALIFIER,
1378 .bcdUSB = {0x00, 0x02},
1379 .bDeviceClass = UDCLASS_HUB,
1380 .bDeviceSubClass = UDSUBCLASS_HUB,
1381 .bDeviceProtocol = UDPROTO_FSHUB,
1382 .bMaxPacketSize0 = 0,
1383 .bNumConfigurations = 0,
1384 .bReserved = 0,
1385};
1386
1387static const
1388struct octusb_config_desc octusb_confd = {
1389 .confd = {
1390 .bLength = sizeof(struct usb_config_descriptor),
1391 .bDescriptorType = UDESC_CONFIG,
1392 .wTotalLength[0] = sizeof(octusb_confd),
1393 .bNumInterface = 1,
1394 .bConfigurationValue = 1,
1395 .iConfiguration = 0,
1396 .bmAttributes = UC_SELF_POWERED,
1397 .bMaxPower = 0 /* max power */
1398 },
1399 .ifcd = {
1400 .bLength = sizeof(struct usb_interface_descriptor),
1401 .bDescriptorType = UDESC_INTERFACE,
1402 .bNumEndpoints = 1,
1403 .bInterfaceClass = UICLASS_HUB,
1404 .bInterfaceSubClass = UISUBCLASS_HUB,
1405 .bInterfaceProtocol = UIPROTO_FSHUB,
1406 },
1407 .endpd = {
1408 .bLength = sizeof(struct usb_endpoint_descriptor),
1409 .bDescriptorType = UDESC_ENDPOINT,
1410 .bEndpointAddress = UE_DIR_IN | OCTUSB_INTR_ENDPT,
1411 .bmAttributes = UE_INTERRUPT,
1412 .wMaxPacketSize[0] = 8, /* max packet (63 ports) */
1413 .bInterval = 255,
1414 },
1415};
1416
1417static const
1418struct usb_hub_descriptor_min octusb_hubd =
1419{
1420 .bDescLength = sizeof(octusb_hubd),
1421 .bDescriptorType = UDESC_HUB,
1422 .bNbrPorts = 2,
1423 .wHubCharacteristics = {UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0},
1424 .bPwrOn2PwrGood = 50,
1425 .bHubContrCurrent = 0,
1426 .DeviceRemovable = {0x00}, /* all ports are removable */
1427};
1428
1429static usb_error_t
1430octusb_roothub_exec(struct usb_device *udev,
1431 struct usb_device_request *req, const void **pptr, uint16_t *plength)
1432{
1433 struct octusb_softc *sc = OCTUSB_BUS2SC(udev->bus);
1434 const void *ptr;
1435 const char *str_ptr;
1436 uint16_t value;
1437 uint16_t index;
1438 uint16_t status;
1439 uint16_t change;
1440 uint16_t len;
1441 usb_error_t err;
1442 cvmx_usb_port_status_t usb_port_status;
1443
1444 USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED);
1445
1446 /* XXX disable power save mode, hence it is not supported */
1447 udev->power_mode = USB_POWER_MODE_ON;
1448
1449 /* buffer reset */
1450 ptr = (const void *)&sc->sc_hub_desc.temp;
1451 len = 0;
1452 err = 0;
1453
1454 value = UGETW(req->wValue);
1455 index = UGETW(req->wIndex);
1456
1457 DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x "
1458 "wValue=0x%04x wIndex=0x%04x\n",
1459 req->bmRequestType, req->bRequest,
1460 UGETW(req->wLength), value, index);
1461
1462#define C(x,y) ((x) | ((y) << 8))
1463 switch (C(req->bRequest, req->bmRequestType)) {
1464 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE):
1465 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE):
1466 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT):
1467 break;
1468 case C(UR_GET_CONFIG, UT_READ_DEVICE):
1469 len = 1;
1470 sc->sc_hub_desc.temp[0] = sc->sc_conf;
1471 break;
1472 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
1473 switch (value >> 8) {
1474 case UDESC_DEVICE:
1475 if ((value & 0xff) != 0) {
1476 err = USB_ERR_IOERROR;
1477 goto done;
1478 }
1479 len = sizeof(octusb_devd);
1480
1481 ptr = (const void *)&octusb_devd;
1482 break;
1483
1484 case UDESC_DEVICE_QUALIFIER:
1485 if ((value & 0xff) != 0) {
1486 err = USB_ERR_IOERROR;
1487 goto done;
1488 }
1489 len = sizeof(octusb_odevd);
1490 ptr = (const void *)&octusb_odevd;
1491 break;
1492
1493 case UDESC_CONFIG:
1494 if ((value & 0xff) != 0) {
1495 err = USB_ERR_IOERROR;
1496 goto done;
1497 }
1498 len = sizeof(octusb_confd);
1499 ptr = (const void *)&octusb_confd;
1500 break;
1501
1502 case UDESC_STRING:
1503 switch (value & 0xff) {
1504 case 0: /* Language table */
1505 str_ptr = "\001";
1506 break;
1507
1508 case 1: /* Vendor */
1509 str_ptr = "Cavium Networks";
1510 break;
1511
1512 case 2: /* Product */
1513 str_ptr = "OCTUSB Root HUB";
1514 break;
1515
1516 default:
1517 str_ptr = "";
1518 break;
1519 }
1520
1521 len = usb_make_str_desc(sc->sc_hub_desc.temp,
1522 sizeof(sc->sc_hub_desc.temp), str_ptr);
1523 break;
1524
1525 default:
1526 err = USB_ERR_IOERROR;
1527 goto done;
1528 }
1529 break;
1530 case C(UR_GET_INTERFACE, UT_READ_INTERFACE):
1531 len = 1;
1532 sc->sc_hub_desc.temp[0] = 0;
1533 break;
1534 case C(UR_GET_STATUS, UT_READ_DEVICE):
1535 len = 2;
1536 USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED);
1537 break;
1538 case C(UR_GET_STATUS, UT_READ_INTERFACE):
1539 case C(UR_GET_STATUS, UT_READ_ENDPOINT):
1540 len = 2;
1541 USETW(sc->sc_hub_desc.stat.wStatus, 0);
1542 break;
1543 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE):
1544 if (value >= OCTUSB_MAX_DEVICES) {
1545 err = USB_ERR_IOERROR;
1546 goto done;
1547 }
1548 sc->sc_addr = value;
1549 break;
1550 case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
1551 if ((value != 0) && (value != 1)) {
1552 err = USB_ERR_IOERROR;
1553 goto done;
1554 }
1555 sc->sc_conf = value;
1556 break;
1557 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE):
1558 break;
1559 case C(UR_SET_FEATURE, UT_WRITE_DEVICE):
1560 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE):
1561 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT):
1562 err = USB_ERR_IOERROR;
1563 goto done;
1564 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
1565 break;
1566 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT):
1567 break;
1568 /* Hub requests */
1569 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
1570 break;
1571 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
1572 DPRINTFN(4, "UR_CLEAR_PORT_FEATURE "
1573 "port=%d feature=%d\n",
1574 index, value);
1575 if ((index < 1) ||
1576 (index > sc->sc_noport) ||
1577 sc->sc_port[index - 1].disabled) {
1578 err = USB_ERR_IOERROR;
1579 goto done;
1580 }
1581 index--;
1582
1583 switch (value) {
1584 case UHF_PORT_ENABLE:
1585 cvmx_usb_disable(&sc->sc_port[index].state);
1586 break;
1587 case UHF_PORT_SUSPEND:
1588 case UHF_PORT_RESET:
1589 break;
1590 case UHF_C_PORT_CONNECTION:
1591 cvmx_usb_set_status(&sc->sc_port[index].state,
1592 cvmx_usb_get_status(&sc->sc_port[index].state));
1593 break;
1594 case UHF_C_PORT_ENABLE:
1595 cvmx_usb_set_status(&sc->sc_port[index].state,
1596 cvmx_usb_get_status(&sc->sc_port[index].state));
1597 break;
1598 case UHF_C_PORT_OVER_CURRENT:
1599 cvmx_usb_set_status(&sc->sc_port[index].state,
1600 cvmx_usb_get_status(&sc->sc_port[index].state));
1601 break;
1602 case UHF_C_PORT_RESET:
1603 sc->sc_isreset = 0;
1604 goto done;
1605 case UHF_C_PORT_SUSPEND:
1606 break;
1607 case UHF_PORT_CONNECTION:
1608 case UHF_PORT_OVER_CURRENT:
1609 case UHF_PORT_POWER:
1610 case UHF_PORT_LOW_SPEED:
1611 default:
1612 err = USB_ERR_IOERROR;
1613 goto done;
1614 }
1615 break;
1616 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
1617 if ((value & 0xff) != 0) {
1618 err = USB_ERR_IOERROR;
1619 goto done;
1620 }
1621 sc->sc_hubd = octusb_hubd;
1622 sc->sc_hubd.bNbrPorts = sc->sc_noport;
1623 len = sizeof(sc->sc_hubd);
1624 ptr = (const void *)&sc->sc_hubd;
1625 break;
1626 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
1627 len = 16;
1628 memset(sc->sc_hub_desc.temp, 0, 16);
1629 break;
1630 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
1631 if ((index < 1) ||
1632 (index > sc->sc_noport) ||
1633 sc->sc_port[index - 1].disabled) {
1634 err = USB_ERR_IOERROR;
1635 goto done;
1636 }
1637 index--;
1638
1639 usb_port_status = cvmx_usb_get_status(&sc->sc_port[index].state);
1640
1641 status = change = 0;
1642 if (usb_port_status.connected)
1643 status |= UPS_CURRENT_CONNECT_STATUS;
1644 if (usb_port_status.port_enabled)
1645 status |= UPS_PORT_ENABLED;
1646 if (usb_port_status.port_over_current)
1647 status |= UPS_OVERCURRENT_INDICATOR;
1648 if (usb_port_status.port_powered)
1649 status |= UPS_PORT_POWER;
1650
1651 switch (usb_port_status.port_speed) {
1652 case CVMX_USB_SPEED_HIGH:
1653 status |= UPS_HIGH_SPEED;
1654 break;
1655 case CVMX_USB_SPEED_FULL:
1656 break;
1657 default:
1658 status |= UPS_LOW_SPEED;
1659 break;
1660 }
1661
1662 if (usb_port_status.connect_change)
1663 change |= UPS_C_CONNECT_STATUS;
1664 if (sc->sc_isreset)
1665 change |= UPS_C_PORT_RESET;
1666
1667 USETW(sc->sc_hub_desc.ps.wPortStatus, status);
1668 USETW(sc->sc_hub_desc.ps.wPortChange, change);
1669
1670 len = sizeof(sc->sc_hub_desc.ps);
1671 break;
1672 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
1673 err = USB_ERR_IOERROR;
1674 goto done;
1675 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
1676 break;
1677 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
1678 if ((index < 1) ||
1679 (index > sc->sc_noport) ||
1680 sc->sc_port[index - 1].disabled) {
1681 err = USB_ERR_IOERROR;
1682 goto done;
1683 }
1684 index--;
1685
1686 switch (value) {
1687 case UHF_PORT_ENABLE:
1688 break;
1689 case UHF_PORT_RESET:
1690 cvmx_usb_disable(&sc->sc_port[index].state);
1691 if (cvmx_usb_enable(&sc->sc_port[index].state)) {
1692 err = USB_ERR_IOERROR;
1693 goto done;
1694 }
1695 sc->sc_isreset = 1;
1696 goto done;
1697 case UHF_PORT_POWER:
1698 /* pretend we turned on power */
1699 goto done;
1700 case UHF_PORT_SUSPEND:
1701 case UHF_C_PORT_CONNECTION:
1702 case UHF_C_PORT_ENABLE:
1703 case UHF_C_PORT_OVER_CURRENT:
1704 case UHF_PORT_CONNECTION:
1705 case UHF_PORT_OVER_CURRENT:
1706 case UHF_PORT_LOW_SPEED:
1707 case UHF_C_PORT_SUSPEND:
1708 case UHF_C_PORT_RESET:
1709 default:
1710 err = USB_ERR_IOERROR;
1711 goto done;
1712 }
1713 break;
1714 default:
1715 err = USB_ERR_IOERROR;
1716 goto done;
1717 }
1718done:
1719 *plength = len;
1720 *pptr = ptr;
1721 return (err);
1722}
1723
1724static void
1725octusb_xfer_setup(struct usb_setup_params *parm)
1726{
1727 struct usb_page_search page_info;
1728 struct usb_page_cache *pc;
1729 struct octusb_softc *sc;
1730 struct octusb_qh *qh;
1731 struct usb_xfer *xfer;
1732 void *last_obj;
1733 uint32_t n;
1734 uint32_t ntd;
1735
1736 sc = OCTUSB_BUS2SC(parm->udev->bus);
1737 xfer = parm->curr_xfer;
1738 qh = NULL;
1739
1740 /*
1741 * NOTE: This driver does not use any of the parameters that
1742 * are computed from the following values. Just set some
1743 * reasonable dummies:
1744 */
1745
1746 parm->hc_max_packet_size = 0x400;
1747 parm->hc_max_packet_count = 3;
1748 parm->hc_max_frame_size = 0xC00;
1749
1750 usbd_transfer_setup_sub(parm);
1751
1752 if (parm->err)
1753 return;
1754
1755 /* Allocate a queue head */
1756
1757 if (usbd_transfer_setup_sub_malloc(
1758 parm, &pc, sizeof(struct octusb_qh),
1759 USB_HOST_ALIGN, 1)) {
1760 parm->err = USB_ERR_NOMEM;
1761 return;
1762 }
1763 if (parm->buf) {
1764 usbd_get_page(pc, 0, &page_info);
1765
1766 qh = page_info.buffer;
1767
1768 /* fill out QH */
1769
1770 qh->sc = OCTUSB_BUS2SC(xfer->xroot->bus);
1771 qh->max_frame_size = xfer->max_frame_size;
1772 qh->max_packet_size = xfer->max_packet_size;
1773 qh->ep_num = xfer->endpointno;
1774 qh->ep_type = xfer->endpoint->edesc->bmAttributes;
1775 qh->dev_addr = xfer->address;
1776 qh->dev_speed = usbd_get_speed(xfer->xroot->udev);
1777 qh->port_index = xfer->xroot->udev->port_index;
1778
1779 switch (xfer->endpoint->edesc->bmAttributes & UE_XFERTYPE) {
1780 case UE_INTERRUPT:
1781 if (usbd_get_speed(xfer->xroot->udev) == USB_SPEED_HIGH)
1782 qh->ep_interval = xfer->interval * 8;
1783 else
1784 qh->ep_interval = xfer->interval * 1;
1785 break;
1786 case UE_ISOCHRONOUS:
1787 qh->ep_interval = 1 << xfer->fps_shift;
1788 break;
1789 default:
1790 qh->ep_interval = 0;
1791 break;
1792 }
1793
1794 qh->ep_mult = xfer->max_packet_count & 3;
1795 qh->hs_hub_addr = xfer->xroot->udev->hs_hub_addr;
1796 qh->hs_hub_port = xfer->xroot->udev->hs_port_no;
1797 }
1798 xfer->qh_start[0] = qh;
1799
1800 /* Allocate a fixup buffer */
1801
1802 if (usbd_transfer_setup_sub_malloc(
1803 parm, &pc, OCTUSB_MAX_FIXUP,
1804 OCTUSB_MAX_FIXUP, 1)) {
1805 parm->err = USB_ERR_NOMEM;
1806 return;
1807 }
1808 if (parm->buf) {
1809 usbd_get_page(pc, 0, &page_info);
1810
1811 qh->fixup_phys = page_info.physaddr;
1812 qh->fixup_pc = pc;
1813 qh->fixup_buf = page_info.buffer;
1814 }
1815 /* Allocate transfer descriptors */
1816
1817 last_obj = NULL;
1818
1819 ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ;
1820
1821 if (usbd_transfer_setup_sub_malloc(
1822 parm, &pc, sizeof(struct octusb_td),
1823 USB_HOST_ALIGN, ntd)) {
1824 parm->err = USB_ERR_NOMEM;
1825 return;
1826 }
1827 if (parm->buf) {
1828 for (n = 0; n != ntd; n++) {
1829 struct octusb_td *td;
1830
1831 usbd_get_page(pc + n, 0, &page_info);
1832
1833 td = page_info.buffer;
1834
1835 td->qh = qh;
1836 td->obj_next = last_obj;
1837
1838 last_obj = td;
1839 }
1840 }
1841 xfer->td_start[0] = last_obj;
1842}
1843
1844static void
1845octusb_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc,
1846 struct usb_endpoint *ep)
1847{
1848 struct octusb_softc *sc = OCTUSB_BUS2SC(udev->bus);
1849
1850 DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d (%d)\n",
1851 ep, udev->address, edesc->bEndpointAddress,
1852 udev->flags.usb_mode, sc->sc_addr);
1853
1854 if (udev->flags.usb_mode != USB_MODE_HOST) {
1855 /* not supported */
1856 return;
1857 }
1858 if (udev->device_index != sc->sc_addr) {
1859 switch (edesc->bmAttributes & UE_XFERTYPE) {
1860 case UE_CONTROL:
1861 ep->methods = &octusb_device_ctrl_methods;
1862 break;
1863 case UE_INTERRUPT:
1864 ep->methods = &octusb_device_intr_methods;
1865 break;
1866 case UE_ISOCHRONOUS:
1867 if (udev->speed != USB_SPEED_LOW)
1868 ep->methods = &octusb_device_isoc_methods;
1869 break;
1870 case UE_BULK:
1871 ep->methods = &octusb_device_bulk_methods;
1872 break;
1873 default:
1874 /* do nothing */
1875 break;
1876 }
1877 }
1878}
1879
1880static void
1881octusb_xfer_unsetup(struct usb_xfer *xfer)
1882{
1883 DPRINTF("Nothing to do.\n");
1884}
1885
1886static void
1887octusb_get_dma_delay(struct usb_device *udev, uint32_t *pus)
1888{
1889 /* DMA delay - wait until any use of memory is finished */
1890 *pus = (2125); /* microseconds */
1891}
1892
1893static void
1894octusb_device_resume(struct usb_device *udev)
1895{
1896 DPRINTF("Nothing to do.\n");
1897}
1898
1899static void
1900octusb_device_suspend(struct usb_device *udev)
1901{
1902 DPRINTF("Nothing to do.\n");
1903}
1904
1905static void
1906octusb_set_hw_power(struct usb_bus *bus)
1907{
1908 DPRINTF("Nothing to do.\n");
1909}
1910
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