Lines Matching +full:- +full:s
1 // SPDX-License-Identifier: GPL-2.0-or-later
15 struct usb_stream *s = sk->s; in usb_stream_next_packet_size() local
17 sk->out_phase_peeked = (sk->out_phase & 0xffff) + sk->freqn; in usb_stream_next_packet_size()
18 return (sk->out_phase_peeked >> 16) * s->cfg.frame_size; in usb_stream_next_packet_size()
23 struct usb_stream *s = sk->s; in playback_prep_freqn() local
26 for (pack = 0; pack < sk->n_o_ps; pack++) { in playback_prep_freqn()
29 if (s->idle_outsize + lb + l > s->period_size) in playback_prep_freqn()
32 sk->out_phase = sk->out_phase_peeked; in playback_prep_freqn()
33 urb->iso_frame_desc[pack].offset = lb; in playback_prep_freqn()
34 urb->iso_frame_desc[pack].length = l; in playback_prep_freqn()
40 urb->number_of_packets = pack; in playback_prep_freqn()
41 urb->transfer_buffer_length = lb; in playback_prep_freqn()
42 s->idle_outsize += lb - s->period_size; in playback_prep_freqn()
43 snd_printdd(KERN_DEBUG "idle=%i ul=%i ps=%i\n", s->idle_outsize, in playback_prep_freqn()
44 lb, s->period_size); in playback_prep_freqn()
55 int transfer_length = maxpacket * sk->n_o_ps; in init_pipe_urbs()
62 urb->transfer_buffer = transfer; in init_pipe_urbs()
63 urb->dev = dev; in init_pipe_urbs()
64 urb->pipe = pipe; in init_pipe_urbs()
65 urb->number_of_packets = sk->n_o_ps; in init_pipe_urbs()
66 urb->context = sk; in init_pipe_urbs()
67 urb->interval = 1; in init_pipe_urbs()
71 return -EINVAL; in init_pipe_urbs()
73 urb->transfer_buffer_length = transfer_length; in init_pipe_urbs()
74 desc = urb->iso_frame_desc; in init_pipe_urbs()
75 desc->offset = 0; in init_pipe_urbs()
76 desc->length = maxpacket; in init_pipe_urbs()
77 for (p = 1; p < sk->n_o_ps; ++p) { in init_pipe_urbs()
78 desc[p].offset = desc[p - 1].offset + maxpacket; in init_pipe_urbs()
89 struct usb_stream *s = sk->s; in init_urbs() local
91 (char *)s + sizeof(*s) + sizeof(struct usb_stream_packet) * s->inpackets; in init_urbs()
95 sk->inurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL); in init_urbs()
96 if (!sk->inurb[u]) in init_urbs()
97 return -ENOMEM; in init_urbs()
99 sk->outurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL); in init_urbs()
100 if (!sk->outurb[u]) in init_urbs()
101 return -ENOMEM; in init_urbs()
104 if (init_pipe_urbs(sk, use_packsize, sk->inurb, indata, dev, in_pipe) || in init_urbs()
105 init_pipe_urbs(sk, use_packsize, sk->outurb, sk->write_page, dev, in init_urbs()
107 return -EINVAL; in init_urbs()
132 struct usb_stream *s; in usb_stream_free() local
136 usb_free_urb(sk->inurb[u]); in usb_stream_free()
137 sk->inurb[u] = NULL; in usb_stream_free()
138 usb_free_urb(sk->outurb[u]); in usb_stream_free()
139 sk->outurb[u] = NULL; in usb_stream_free()
142 s = sk->s; in usb_stream_free()
143 if (!s) in usb_stream_free()
146 if (sk->write_page) { in usb_stream_free()
147 free_pages_exact(sk->write_page, s->write_size); in usb_stream_free()
148 sk->write_page = NULL; in usb_stream_free()
151 free_pages_exact(s, s->read_size); in usb_stream_free()
152 sk->s = NULL; in usb_stream_free()
168 int usb_frames = dev->speed == USB_SPEED_HIGH ? 8000 : 1000; in usb_stream_new()
184 if (dev->speed == USB_SPEED_HIGH) in usb_stream_new()
198 sk->s = alloc_pages_exact(read_size, in usb_stream_new()
200 if (!sk->s) { in usb_stream_new()
204 sk->s->cfg.version = USB_STREAM_INTERFACE_VERSION; in usb_stream_new()
206 sk->s->read_size = read_size; in usb_stream_new()
208 sk->s->cfg.sample_rate = sample_rate; in usb_stream_new()
209 sk->s->cfg.frame_size = frame_size; in usb_stream_new()
210 sk->n_o_ps = packets; in usb_stream_new()
211 sk->s->inpackets = packets * USB_STREAM_URBDEPTH; in usb_stream_new()
212 sk->s->cfg.period_frames = period_frames; in usb_stream_new()
213 sk->s->period_size = frame_size * period_frames; in usb_stream_new()
215 sk->s->write_size = write_size; in usb_stream_new()
217 sk->write_page = alloc_pages_exact(write_size, in usb_stream_new()
219 if (!sk->write_page) { in usb_stream_new()
226 if (dev->speed == USB_SPEED_FULL) in usb_stream_new()
227 sk->freqn = get_usb_full_speed_rate(sample_rate); in usb_stream_new()
229 sk->freqn = get_usb_high_speed_rate(sample_rate); in usb_stream_new()
236 sk->s->state = usb_stream_stopped; in usb_stream_new()
238 return sk->s; in usb_stream_new()
247 if (unlikely(urb->status)) { in balance_check()
248 if (urb->status != -ESHUTDOWN && urb->status != -ENOENT) in balance_check()
249 snd_printk(KERN_WARNING "status=%i\n", urb->status); in balance_check()
250 sk->iso_frame_balance = 0x7FFFFFFF; in balance_check()
253 r = sk->iso_frame_balance == 0; in balance_check()
255 sk->i_urb = urb; in balance_check()
261 sk->iso_frame_balance += urb->number_of_packets; in balance_playback()
267 sk->iso_frame_balance -= urb->number_of_packets; in balance_capture()
278 urb->complete = complete; in subs_set_complete()
285 struct usb_stream *s = sk->s; in usb_stream_prepare_playback() local
290 io = sk->idle_outurb; in usb_stream_prepare_playback()
291 od = io->iso_frame_desc; in usb_stream_prepare_playback()
293 for (; s->sync_packet < 0; ++p, ++s->sync_packet) { in usb_stream_prepare_playback()
294 struct urb *ii = sk->completed_inurb; in usb_stream_prepare_playback()
296 id = ii->iso_frame_desc + in usb_stream_prepare_playback()
297 ii->number_of_packets + s->sync_packet; in usb_stream_prepare_playback()
298 l = id->actual_length; in usb_stream_prepare_playback()
306 s->sync_packet < inurb->number_of_packets && p < sk->n_o_ps; in usb_stream_prepare_playback()
307 ++p, ++s->sync_packet) { in usb_stream_prepare_playback()
308 l = inurb->iso_frame_desc[s->sync_packet].actual_length; in usb_stream_prepare_playback()
310 if (s->idle_outsize + lb + l > s->period_size) in usb_stream_prepare_playback()
319 s->sync_packet -= inurb->number_of_packets; in usb_stream_prepare_playback()
320 if (unlikely(s->sync_packet < -2 || s->sync_packet > 0)) { in usb_stream_prepare_playback()
323 s->sync_packet, p, inurb->number_of_packets, in usb_stream_prepare_playback()
324 s->idle_outsize + lb + l, in usb_stream_prepare_playback()
325 s->idle_outsize, lb, l, in usb_stream_prepare_playback()
326 s->period_size); in usb_stream_prepare_playback()
327 return -1; in usb_stream_prepare_playback()
329 if (unlikely(lb % s->cfg.frame_size)) { in usb_stream_prepare_playback()
332 return -1; in usb_stream_prepare_playback()
334 s->idle_outsize += lb - s->period_size; in usb_stream_prepare_playback()
335 io->number_of_packets = p; in usb_stream_prepare_playback()
336 io->transfer_buffer_length = lb; in usb_stream_prepare_playback()
337 if (s->idle_outsize <= 0) in usb_stream_prepare_playback()
340 snd_printk(KERN_WARNING "idle=%i\n", s->idle_outsize); in usb_stream_prepare_playback()
341 return -1; in usb_stream_prepare_playback()
349 iu->number_of_packets = number_of_packets; in prepare_inurb()
350 id = iu->iso_frame_desc; in prepare_inurb()
351 id->offset = 0; in prepare_inurb()
352 for (p = 0; p < iu->number_of_packets - 1; ++p) in prepare_inurb()
355 iu->transfer_buffer_length = in prepare_inurb()
356 id[0].length * iu->number_of_packets; in prepare_inurb()
364 prepare_inurb(sk->idle_outurb->number_of_packets, sk->idle_inurb); in submit_urbs()
365 err = usb_submit_urb(sk->idle_inurb, GFP_ATOMIC); in submit_urbs()
369 sk->idle_inurb = sk->completed_inurb; in submit_urbs()
370 sk->completed_inurb = inurb; in submit_urbs()
371 err = usb_submit_urb(sk->idle_outurb, GFP_ATOMIC); in submit_urbs()
375 sk->idle_outurb = sk->completed_outurb; in submit_urbs()
376 sk->completed_outurb = outurb; in submit_urbs()
388 static void loop_back(struct usb_stream *s) in loop_back() argument
395 o = s->playback1st_to; in loop_back()
396 ol = s->playback1st_size; in loop_back()
399 if (s->insplit_pack >= 0) { in loop_back()
400 iu = sk->idle_inurb; in loop_back()
401 id = iu->iso_frame_desc; in loop_back()
402 p = s->insplit_pack; in loop_back()
406 for (; p < iu->number_of_packets && l < s->period_size; ++p) { in loop_back()
407 i = iu->transfer_buffer + id[p].offset; in loop_back()
409 if (l + il > s->period_size) in loop_back()
410 il = s->period_size - l; in loop_back()
414 ol -= il; in loop_back()
418 o = s->playback_to; in loop_back()
419 memcpy(o, i + ol, il - ol); in loop_back()
420 o += il - ol; in loop_back()
421 ol = s->period_size - s->playback1st_size; in loop_back()
425 if (iu == sk->completed_inurb) { in loop_back()
426 if (l != s->period_size) in loop_back()
427 printk(KERN_DEBUG"%s:%i %i\n", __func__, __LINE__, in loop_back()
428 l/(int)s->cfg.frame_size); in loop_back()
433 iu = sk->completed_inurb; in loop_back()
434 id = iu->iso_frame_desc; in loop_back()
440 static void loop_back(struct usb_stream *s) in loop_back() argument
448 struct usb_stream *s = sk->s; in stream_idle() local
450 int insize = s->idle_insize; in stream_idle()
453 s->inpacket_split = s->next_inpacket_split; in stream_idle()
454 s->inpacket_split_at = s->next_inpacket_split_at; in stream_idle()
455 s->next_inpacket_split = -1; in stream_idle()
456 s->next_inpacket_split_at = 0; in stream_idle()
458 for (p = 0; p < inurb->number_of_packets; ++p) { in stream_idle()
459 struct usb_iso_packet_descriptor *id = inurb->iso_frame_desc; in stream_idle()
467 s->inpacket_head++; in stream_idle()
468 s->inpacket_head %= s->inpackets; in stream_idle()
469 if (s->inpacket_split == -1) in stream_idle()
470 s->inpacket_split = s->inpacket_head; in stream_idle()
472 s->inpacket[s->inpacket_head].offset = in stream_idle()
473 id[p].offset + (inurb->transfer_buffer - (void *)s); in stream_idle()
474 s->inpacket[s->inpacket_head].length = l; in stream_idle()
475 if (insize + l > s->period_size && in stream_idle()
476 s->next_inpacket_split == -1) { in stream_idle()
477 s->next_inpacket_split = s->inpacket_head; in stream_idle()
478 s->next_inpacket_split_at = s->period_size - insize; in stream_idle()
483 s->idle_insize += urb_size - s->period_size; in stream_idle()
484 if (s->idle_insize < 0) { in stream_idle()
486 (s->idle_insize)/(int)s->cfg.frame_size); in stream_idle()
489 s->insize_done += urb_size; in stream_idle()
491 l = s->idle_outsize; in stream_idle()
492 s->outpacket[0].offset = (sk->idle_outurb->transfer_buffer - in stream_idle()
493 sk->write_page) - l; in stream_idle()
498 s->outpacket[0].length = sk->idle_outurb->transfer_buffer_length + l; in stream_idle()
499 s->outpacket[1].offset = sk->completed_outurb->transfer_buffer - in stream_idle()
500 sk->write_page; in stream_idle()
505 loop_back(s); in stream_idle()
506 s->periods_done++; in stream_idle()
507 wake_up_all(&sk->sleep); in stream_idle()
510 s->state = usb_stream_xrun; in stream_idle()
511 wake_up_all(&sk->sleep); in stream_idle()
516 struct usb_stream_kernel *sk = urb->context; in i_capture_idle()
519 stream_idle(sk, urb, sk->i_urb); in i_capture_idle()
524 struct usb_stream_kernel *sk = urb->context; in i_playback_idle()
527 stream_idle(sk, sk->i_urb, urb); in i_playback_idle()
533 struct usb_stream *s = sk->s; in stream_start() local
535 if (s->state >= usb_stream_sync1) { in stream_start()
540 frames_per_packet = (s->period_size - s->idle_insize); in stream_start()
543 s->cfg.frame_size * inurb->number_of_packets; in stream_start()
546 max_diff_0 = s->cfg.frame_size; in stream_start()
547 if (s->cfg.period_frames >= 256) in stream_start()
549 if (s->cfg.period_frames >= 1024) in stream_start()
552 for (p = 0; p < inurb->number_of_packets; ++p) { in stream_start()
555 l = inurb->iso_frame_desc[p].actual_length; in stream_start()
559 diff = urb_size - in stream_start()
560 (min_frames >> 8) * s->cfg.frame_size; in stream_start()
563 s->insize_done, in stream_start()
564 urb_size / (int)s->cfg.frame_size, in stream_start()
565 inurb->number_of_packets, diff); in stream_start()
569 s->idle_insize -= max_diff - max_diff_0; in stream_start()
570 s->idle_insize += urb_size - s->period_size; in stream_start()
571 if (s->idle_insize < 0) { in stream_start()
573 s->idle_insize, urb_size, s->period_size); in stream_start()
575 } else if (s->idle_insize == 0) { in stream_start()
576 s->next_inpacket_split = in stream_start()
577 (s->inpacket_head + 1) % s->inpackets; in stream_start()
578 s->next_inpacket_split_at = 0; in stream_start()
580 unsigned int split = s->inpacket_head; in stream_start()
582 l = s->idle_insize; in stream_start()
583 while (l > s->inpacket[split].length) { in stream_start()
584 l -= s->inpacket[split].length; in stream_start()
586 split = s->inpackets - 1; in stream_start()
588 split--; in stream_start()
590 s->next_inpacket_split = split; in stream_start()
591 s->next_inpacket_split_at = in stream_start()
592 s->inpacket[split].length - l; in stream_start()
595 s->insize_done += urb_size; in stream_start()
601 playback_prep_freqn(sk, sk->idle_outurb); in stream_start()
606 if (s->state == usb_stream_sync1 && s->insize_done > 360000) { in stream_start()
608 s->state = usb_stream_ready; in stream_start()
609 subs_set_complete(sk->inurb, i_capture_idle); in stream_start()
610 subs_set_complete(sk->outurb, i_playback_idle); in stream_start()
616 struct usb_iso_packet_descriptor *id = urb->iso_frame_desc; in i_capture_start()
617 struct usb_stream_kernel *sk = urb->context; in i_capture_start()
618 struct usb_stream *s = sk->s; in i_capture_start() local
622 if (urb->status) { in i_capture_start()
623 snd_printk(KERN_WARNING "status=%i\n", urb->status); in i_capture_start()
627 for (p = 0; p < urb->number_of_packets; ++p) { in i_capture_start()
630 if (l < s->cfg.frame_size) { in i_capture_start()
632 if (s->state >= usb_stream_sync0) { in i_capture_start()
637 s->inpacket_head++; in i_capture_start()
638 s->inpacket_head %= s->inpackets; in i_capture_start()
639 s->inpacket[s->inpacket_head].offset = in i_capture_start()
640 id[p].offset + (urb->transfer_buffer - (void *)s); in i_capture_start()
641 s->inpacket[s->inpacket_head].length = l; in i_capture_start()
645 printk(KERN_DEBUG"%s:%i: %i", __func__, __LINE__, in i_capture_start()
646 urb->iso_frame_desc[0].actual_length); in i_capture_start()
647 for (pack = 1; pack < urb->number_of_packets; ++pack) { in i_capture_start()
648 int l = urb->iso_frame_desc[pack].actual_length; in i_capture_start()
655 if (!empty && s->state < usb_stream_sync1) in i_capture_start()
656 ++s->state; in i_capture_start()
659 stream_start(sk, urb, sk->i_urb); in i_capture_start()
664 struct usb_stream_kernel *sk = urb->context; in i_playback_start()
667 stream_start(sk, sk->i_urb, urb); in i_playback_start()
672 struct usb_stream *s = sk->s; in usb_stream_start() local
677 if (s->state != usb_stream_stopped) in usb_stream_start()
678 return -EAGAIN; in usb_stream_start()
680 subs_set_complete(sk->inurb, i_capture_start); in usb_stream_start()
681 subs_set_complete(sk->outurb, i_playback_start); in usb_stream_start()
682 memset(sk->write_page, 0, s->write_size); in usb_stream_start()
684 s->insize_done = 0; in usb_stream_start()
685 s->idle_insize = 0; in usb_stream_start()
686 s->idle_outsize = 0; in usb_stream_start()
687 s->sync_packet = -1; in usb_stream_start()
688 s->inpacket_head = -1; in usb_stream_start()
689 sk->iso_frame_balance = 0; in usb_stream_start()
692 struct urb *inurb = sk->inurb[u]; in usb_stream_start()
693 struct urb *outurb = sk->outurb[u]; in usb_stream_start()
696 inurb->number_of_packets = outurb->number_of_packets; in usb_stream_start()
697 inurb->transfer_buffer_length = in usb_stream_start()
698 inurb->number_of_packets * in usb_stream_start()
699 inurb->iso_frame_desc[0].length; in usb_stream_start()
703 struct usb_device *dev = inurb->dev; in usb_stream_start()
709 } while (now > -1 && now == frame); in usb_stream_start()
714 "usb_submit_urb(sk->inurb[%i]) returned %i\n", in usb_stream_start()
721 "usb_submit_urb(sk->outurb[%i]) returned %i\n", in usb_stream_start()
726 if (inurb->start_frame != outurb->start_frame) { in usb_stream_start()
729 u, inurb->start_frame, outurb->start_frame); in usb_stream_start()
745 return -EFAULT; in usb_stream_start()
748 sk->idle_inurb = sk->inurb[USB_STREAM_NURBS - 2]; in usb_stream_start()
749 sk->idle_outurb = sk->outurb[USB_STREAM_NURBS - 2]; in usb_stream_start()
750 sk->completed_inurb = sk->inurb[USB_STREAM_NURBS - 1]; in usb_stream_start()
751 sk->completed_outurb = sk->outurb[USB_STREAM_NURBS - 1]; in usb_stream_start()
757 while (s->state != usb_stream_ready && wait_ms > 0) { in usb_stream_start()
758 snd_printdd(KERN_DEBUG "%i\n", s->state); in usb_stream_start()
760 wait_ms -= 200; in usb_stream_start()
764 return s->state == usb_stream_ready ? 0 : -EFAULT; in usb_stream_start()
774 if (!sk->s) in usb_stream_stop()
777 usb_kill_urb(sk->inurb[u]); in usb_stream_stop()
778 usb_kill_urb(sk->outurb[u]); in usb_stream_stop()
780 sk->s->state = usb_stream_stopped; in usb_stream_stop()