Lines Matching +full:playback +full:- +full:channels
2 * Edirol UA-101/UA-1000 driver
29 MODULE_DESCRIPTION("Edirol UA-101/1000 driver");
32 MODULE_SUPPORTED_DEVICE("{{Edirol,UA-101},{Edirol,UA-1000}}");
43 * This magic value optimizes memory usage efficiency for the UA-101's packet
66 __stringify(MIN_QUEUE_LENGTH)"-"__stringify(MAX_QUEUE_LENGTH));
103 /* FIFO to synchronize playback rate to capture rate */
116 unsigned int channels; member
132 } capture, playback; member
145 case -ENODEV: in usb_error_string()
147 case -ENOENT: in usb_error_string()
149 case -EPIPE: in usb_error_string()
151 case -ENOSPC: in usb_error_string()
153 case -ESHUTDOWN: in usb_error_string()
155 case -EHOSTUNREACH: in usb_error_string()
157 case -EINVAL: in usb_error_string()
158 case -EAGAIN: in usb_error_string()
159 case -EFBIG: in usb_error_string()
160 case -EMSGSIZE: in usb_error_string()
169 if (test_and_clear_bit(USB_CAPTURE_RUNNING, &ua->states)) { in abort_usb_capture()
170 wake_up(&ua->alsa_capture_wait); in abort_usb_capture()
171 wake_up(&ua->rate_feedback_wait); in abort_usb_capture()
177 if (test_and_clear_bit(USB_PLAYBACK_RUNNING, &ua->states)) in abort_usb_playback()
178 wake_up(&ua->alsa_playback_wait); in abort_usb_playback()
184 struct ua101 *ua = urb->urb.context; in playback_urb_complete()
187 if (unlikely(urb->urb.status == -ENOENT || /* unlinked */ in playback_urb_complete()
188 urb->urb.status == -ENODEV || /* device removed */ in playback_urb_complete()
189 urb->urb.status == -ECONNRESET || /* unlinked */ in playback_urb_complete()
190 urb->urb.status == -ESHUTDOWN)) { /* device disabled */ in playback_urb_complete()
196 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states)) { in playback_urb_complete()
198 spin_lock_irqsave(&ua->lock, flags); in playback_urb_complete()
199 list_add_tail(&urb->ready_list, &ua->ready_playback_urbs); in playback_urb_complete()
200 if (ua->rate_feedback_count > 0) in playback_urb_complete()
201 tasklet_schedule(&ua->playback_tasklet); in playback_urb_complete()
202 ua->playback.substream->runtime->delay -= in playback_urb_complete()
203 urb->urb.iso_frame_desc[0].length / in playback_urb_complete()
204 ua->playback.frame_bytes; in playback_urb_complete()
205 spin_unlock_irqrestore(&ua->lock, flags); in playback_urb_complete()
211 struct ua101 *ua = urb->context; in first_playback_urb_complete()
213 urb->complete = playback_urb_complete; in first_playback_urb_complete()
216 set_bit(PLAYBACK_URB_COMPLETED, &ua->states); in first_playback_urb_complete()
217 wake_up(&ua->alsa_playback_wait); in first_playback_urb_complete()
228 runtime = stream->substream->runtime; in copy_playback_data()
229 frame_bytes = stream->frame_bytes; in copy_playback_data()
230 source = runtime->dma_area + stream->buffer_pos * frame_bytes; in copy_playback_data()
231 if (stream->buffer_pos + frames <= runtime->buffer_size) { in copy_playback_data()
232 memcpy(urb->transfer_buffer, source, frames * frame_bytes); in copy_playback_data()
235 frames1 = runtime->buffer_size - stream->buffer_pos; in copy_playback_data()
236 memcpy(urb->transfer_buffer, source, frames1 * frame_bytes); in copy_playback_data()
237 memcpy(urb->transfer_buffer + frames1 * frame_bytes, in copy_playback_data()
238 runtime->dma_area, (frames - frames1) * frame_bytes); in copy_playback_data()
241 stream->buffer_pos += frames; in copy_playback_data()
242 if (stream->buffer_pos >= runtime->buffer_size) in copy_playback_data()
243 stream->buffer_pos -= runtime->buffer_size; in copy_playback_data()
244 stream->period_pos += frames; in copy_playback_data()
245 if (stream->period_pos >= runtime->period_size) { in copy_playback_data()
246 stream->period_pos -= runtime->period_size; in copy_playback_data()
256 if (*value >= ua->playback.queue_length) in add_with_wraparound()
257 *value -= ua->playback.queue_length; in add_with_wraparound()
269 if (unlikely(!test_bit(USB_PLAYBACK_RUNNING, &ua->states))) in playback_tasklet()
273 * Synchronizing the playback rate to the capture rate is done by using in playback_tasklet()
275 * Submitting a playback URB therefore requires both a ready URB and in playback_tasklet()
276 * the size of the corresponding capture packet, i.e., both playback in playback_tasklet()
278 * not guarantee that playback and capture complete callbacks are in playback_tasklet()
280 * submitting playback URBs is possible as long as both FIFOs are in playback_tasklet()
283 spin_lock_irqsave(&ua->lock, flags); in playback_tasklet()
284 while (ua->rate_feedback_count > 0 && in playback_tasklet()
285 !list_empty(&ua->ready_playback_urbs)) { in playback_tasklet()
287 frames = ua->rate_feedback[ua->rate_feedback_start]; in playback_tasklet()
288 add_with_wraparound(ua, &ua->rate_feedback_start, 1); in playback_tasklet()
289 ua->rate_feedback_count--; in playback_tasklet()
292 urb = list_first_entry(&ua->ready_playback_urbs, in playback_tasklet()
294 list_del(&urb->ready_list); in playback_tasklet()
297 urb->urb.iso_frame_desc[0].length = in playback_tasklet()
298 frames * ua->playback.frame_bytes; in playback_tasklet()
299 if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) in playback_tasklet()
300 do_period_elapsed |= copy_playback_data(&ua->playback, in playback_tasklet()
301 &urb->urb, in playback_tasklet()
304 memset(urb->urb.transfer_buffer, 0, in playback_tasklet()
305 urb->urb.iso_frame_desc[0].length); in playback_tasklet()
308 err = usb_submit_urb(&urb->urb, GFP_ATOMIC); in playback_tasklet()
310 spin_unlock_irqrestore(&ua->lock, flags); in playback_tasklet()
313 dev_err(&ua->dev->dev, "USB request error %d: %s\n", in playback_tasklet()
317 ua->playback.substream->runtime->delay += frames; in playback_tasklet()
319 spin_unlock_irqrestore(&ua->lock, flags); in playback_tasklet()
321 snd_pcm_period_elapsed(ua->playback.substream); in playback_tasklet()
332 runtime = stream->substream->runtime; in copy_capture_data()
333 frame_bytes = stream->frame_bytes; in copy_capture_data()
334 dest = runtime->dma_area + stream->buffer_pos * frame_bytes; in copy_capture_data()
335 if (stream->buffer_pos + frames <= runtime->buffer_size) { in copy_capture_data()
336 memcpy(dest, urb->transfer_buffer, frames * frame_bytes); in copy_capture_data()
339 frames1 = runtime->buffer_size - stream->buffer_pos; in copy_capture_data()
340 memcpy(dest, urb->transfer_buffer, frames1 * frame_bytes); in copy_capture_data()
341 memcpy(runtime->dma_area, in copy_capture_data()
342 urb->transfer_buffer + frames1 * frame_bytes, in copy_capture_data()
343 (frames - frames1) * frame_bytes); in copy_capture_data()
346 stream->buffer_pos += frames; in copy_capture_data()
347 if (stream->buffer_pos >= runtime->buffer_size) in copy_capture_data()
348 stream->buffer_pos -= runtime->buffer_size; in copy_capture_data()
349 stream->period_pos += frames; in copy_capture_data()
350 if (stream->period_pos >= runtime->period_size) { in copy_capture_data()
351 stream->period_pos -= runtime->period_size; in copy_capture_data()
359 struct ua101 *ua = urb->context; in capture_urb_complete()
360 struct ua101_stream *stream = &ua->capture; in capture_urb_complete()
366 if (unlikely(urb->status == -ENOENT || /* unlinked */ in capture_urb_complete()
367 urb->status == -ENODEV || /* device removed */ in capture_urb_complete()
368 urb->status == -ECONNRESET || /* unlinked */ in capture_urb_complete()
369 urb->status == -ESHUTDOWN)) /* device disabled */ in capture_urb_complete()
372 if (urb->status >= 0 && urb->iso_frame_desc[0].status >= 0) in capture_urb_complete()
373 frames = urb->iso_frame_desc[0].actual_length / in capture_urb_complete()
374 stream->frame_bytes; in capture_urb_complete()
378 spin_lock_irqsave(&ua->lock, flags); in capture_urb_complete()
380 if (frames > 0 && test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) in capture_urb_complete()
385 if (test_bit(USB_CAPTURE_RUNNING, &ua->states)) { in capture_urb_complete()
388 spin_unlock_irqrestore(&ua->lock, flags); in capture_urb_complete()
389 dev_err(&ua->dev->dev, "USB request error %d: %s\n", in capture_urb_complete()
395 write_ptr = ua->rate_feedback_start; in capture_urb_complete()
396 add_with_wraparound(ua, &write_ptr, ua->rate_feedback_count); in capture_urb_complete()
397 ua->rate_feedback[write_ptr] = frames; in capture_urb_complete()
398 if (ua->rate_feedback_count < ua->playback.queue_length) { in capture_urb_complete()
399 ua->rate_feedback_count++; in capture_urb_complete()
400 if (ua->rate_feedback_count == in capture_urb_complete()
401 ua->playback.queue_length) in capture_urb_complete()
402 wake_up(&ua->rate_feedback_wait); in capture_urb_complete()
405 * Ring buffer overflow; this happens when the playback in capture_urb_complete()
407 * so that the playback stream, when it starts, sees in capture_urb_complete()
410 add_with_wraparound(ua, &ua->rate_feedback_start, 1); in capture_urb_complete()
412 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states) && in capture_urb_complete()
413 !list_empty(&ua->ready_playback_urbs)) in capture_urb_complete()
414 tasklet_schedule(&ua->playback_tasklet); in capture_urb_complete()
417 spin_unlock_irqrestore(&ua->lock, flags); in capture_urb_complete()
420 snd_pcm_period_elapsed(stream->substream); in capture_urb_complete()
433 struct ua101 *ua = urb->context; in first_capture_urb_complete()
435 urb->complete = capture_urb_complete; in first_capture_urb_complete()
438 set_bit(CAPTURE_URB_COMPLETED, &ua->states); in first_capture_urb_complete()
439 wake_up(&ua->alsa_capture_wait); in first_capture_urb_complete()
446 for (i = 0; i < stream->queue_length; ++i) { in submit_stream_urbs()
447 int err = usb_submit_urb(&stream->urbs[i]->urb, GFP_KERNEL); in submit_stream_urbs()
449 dev_err(&ua->dev->dev, "USB request error %d: %s\n", in submit_stream_urbs()
461 for (i = 0; i < stream->queue_length; ++i) in kill_stream_urbs()
462 if (stream->urbs[i]) in kill_stream_urbs()
463 usb_kill_urb(&stream->urbs[i]->urb); in kill_stream_urbs()
470 alts = ua->intf[intf_index]->cur_altsetting; in enable_iso_interface()
471 if (alts->desc.bAlternateSetting != 1) { in enable_iso_interface()
472 int err = usb_set_interface(ua->dev, in enable_iso_interface()
473 alts->desc.bInterfaceNumber, 1); in enable_iso_interface()
475 dev_err(&ua->dev->dev, in enable_iso_interface()
488 if (!ua->intf[intf_index]) in disable_iso_interface()
491 alts = ua->intf[intf_index]->cur_altsetting; in disable_iso_interface()
492 if (alts->desc.bAlternateSetting != 0) { in disable_iso_interface()
493 int err = usb_set_interface(ua->dev, in disable_iso_interface()
494 alts->desc.bInterfaceNumber, 0); in disable_iso_interface()
495 if (err < 0 && !test_bit(DISCONNECTED, &ua->states)) in disable_iso_interface()
496 dev_warn(&ua->dev->dev, in disable_iso_interface()
504 clear_bit(USB_CAPTURE_RUNNING, &ua->states); in stop_usb_capture()
506 kill_stream_urbs(&ua->capture); in stop_usb_capture()
515 if (test_bit(DISCONNECTED, &ua->states)) in start_usb_capture()
516 return -ENODEV; in start_usb_capture()
518 if (test_bit(USB_CAPTURE_RUNNING, &ua->states)) in start_usb_capture()
521 kill_stream_urbs(&ua->capture); in start_usb_capture()
527 clear_bit(CAPTURE_URB_COMPLETED, &ua->states); in start_usb_capture()
528 ua->capture.urbs[0]->urb.complete = first_capture_urb_complete; in start_usb_capture()
529 ua->rate_feedback_start = 0; in start_usb_capture()
530 ua->rate_feedback_count = 0; in start_usb_capture()
532 set_bit(USB_CAPTURE_RUNNING, &ua->states); in start_usb_capture()
533 err = submit_stream_urbs(ua, &ua->capture); in start_usb_capture()
541 clear_bit(USB_PLAYBACK_RUNNING, &ua->states); in stop_usb_playback()
543 kill_stream_urbs(&ua->playback); in stop_usb_playback()
545 tasklet_kill(&ua->playback_tasklet); in stop_usb_playback()
556 if (test_bit(DISCONNECTED, &ua->states)) in start_usb_playback()
557 return -ENODEV; in start_usb_playback()
559 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states)) in start_usb_playback()
562 kill_stream_urbs(&ua->playback); in start_usb_playback()
563 tasklet_kill(&ua->playback_tasklet); in start_usb_playback()
569 clear_bit(PLAYBACK_URB_COMPLETED, &ua->states); in start_usb_playback()
570 ua->playback.urbs[0]->urb.complete = in start_usb_playback()
572 spin_lock_irq(&ua->lock); in start_usb_playback()
573 INIT_LIST_HEAD(&ua->ready_playback_urbs); in start_usb_playback()
574 spin_unlock_irq(&ua->lock); in start_usb_playback()
580 wait_event(ua->rate_feedback_wait, in start_usb_playback()
581 ua->rate_feedback_count >= ua->playback.queue_length || in start_usb_playback()
582 !test_bit(USB_CAPTURE_RUNNING, &ua->states) || in start_usb_playback()
583 test_bit(DISCONNECTED, &ua->states)); in start_usb_playback()
584 if (test_bit(DISCONNECTED, &ua->states)) { in start_usb_playback()
586 return -ENODEV; in start_usb_playback()
588 if (!test_bit(USB_CAPTURE_RUNNING, &ua->states)) { in start_usb_playback()
590 return -EIO; in start_usb_playback()
593 for (i = 0; i < ua->playback.queue_length; ++i) { in start_usb_playback()
595 spin_lock_irq(&ua->lock); in start_usb_playback()
596 frames = ua->rate_feedback[ua->rate_feedback_start]; in start_usb_playback()
597 add_with_wraparound(ua, &ua->rate_feedback_start, 1); in start_usb_playback()
598 ua->rate_feedback_count--; in start_usb_playback()
599 spin_unlock_irq(&ua->lock); in start_usb_playback()
600 urb = &ua->playback.urbs[i]->urb; in start_usb_playback()
601 urb->iso_frame_desc[0].length = in start_usb_playback()
602 frames * ua->playback.frame_bytes; in start_usb_playback()
603 memset(urb->transfer_buffer, 0, in start_usb_playback()
604 urb->iso_frame_desc[0].length); in start_usb_playback()
607 set_bit(USB_PLAYBACK_RUNNING, &ua->states); in start_usb_playback()
608 err = submit_stream_urbs(ua, &ua->playback); in start_usb_playback()
616 if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) in abort_alsa_capture()
617 snd_pcm_stop_xrun(ua->capture.substream); in abort_alsa_capture()
622 if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) in abort_alsa_playback()
623 snd_pcm_stop_xrun(ua->playback.substream); in abort_alsa_playback()
627 unsigned int channels) in set_stream_hw() argument
631 substream->runtime->hw.info = in set_stream_hw()
638 substream->runtime->hw.formats = ua->format_bit; in set_stream_hw()
639 substream->runtime->hw.rates = snd_pcm_rate_to_rate_bit(ua->rate); in set_stream_hw()
640 substream->runtime->hw.rate_min = ua->rate; in set_stream_hw()
641 substream->runtime->hw.rate_max = ua->rate; in set_stream_hw()
642 substream->runtime->hw.channels_min = channels; in set_stream_hw()
643 substream->runtime->hw.channels_max = channels; in set_stream_hw()
644 substream->runtime->hw.buffer_bytes_max = 45000 * 1024; in set_stream_hw()
645 substream->runtime->hw.period_bytes_min = 1; in set_stream_hw()
646 substream->runtime->hw.period_bytes_max = UINT_MAX; in set_stream_hw()
647 substream->runtime->hw.periods_min = 2; in set_stream_hw()
648 substream->runtime->hw.periods_max = UINT_MAX; in set_stream_hw()
649 err = snd_pcm_hw_constraint_minmax(substream->runtime, in set_stream_hw()
651 1500000 / ua->packets_per_second, in set_stream_hw()
655 err = snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24); in set_stream_hw()
661 struct ua101 *ua = substream->private_data; in capture_pcm_open()
664 ua->capture.substream = substream; in capture_pcm_open()
665 err = set_stream_hw(ua, substream, ua->capture.channels); in capture_pcm_open()
668 substream->runtime->hw.fifo_size = in capture_pcm_open()
669 DIV_ROUND_CLOSEST(ua->rate, ua->packets_per_second); in capture_pcm_open()
670 substream->runtime->delay = substream->runtime->hw.fifo_size; in capture_pcm_open()
672 mutex_lock(&ua->mutex); in capture_pcm_open()
675 set_bit(ALSA_CAPTURE_OPEN, &ua->states); in capture_pcm_open()
676 mutex_unlock(&ua->mutex); in capture_pcm_open()
682 struct ua101 *ua = substream->private_data; in playback_pcm_open()
685 ua->playback.substream = substream; in playback_pcm_open()
686 err = set_stream_hw(ua, substream, ua->playback.channels); in playback_pcm_open()
689 substream->runtime->hw.fifo_size = in playback_pcm_open()
690 DIV_ROUND_CLOSEST(ua->rate * ua->playback.queue_length, in playback_pcm_open()
691 ua->packets_per_second); in playback_pcm_open()
693 mutex_lock(&ua->mutex); in playback_pcm_open()
699 if (!test_bit(ALSA_CAPTURE_OPEN, &ua->states)) in playback_pcm_open()
703 set_bit(ALSA_PLAYBACK_OPEN, &ua->states); in playback_pcm_open()
705 mutex_unlock(&ua->mutex); in playback_pcm_open()
711 struct ua101 *ua = substream->private_data; in capture_pcm_close()
713 mutex_lock(&ua->mutex); in capture_pcm_close()
714 clear_bit(ALSA_CAPTURE_OPEN, &ua->states); in capture_pcm_close()
715 if (!test_bit(ALSA_PLAYBACK_OPEN, &ua->states)) in capture_pcm_close()
717 mutex_unlock(&ua->mutex); in capture_pcm_close()
723 struct ua101 *ua = substream->private_data; in playback_pcm_close()
725 mutex_lock(&ua->mutex); in playback_pcm_close()
727 clear_bit(ALSA_PLAYBACK_OPEN, &ua->states); in playback_pcm_close()
728 if (!test_bit(ALSA_CAPTURE_OPEN, &ua->states)) in playback_pcm_close()
730 mutex_unlock(&ua->mutex); in playback_pcm_close()
737 struct ua101 *ua = substream->private_data; in capture_pcm_hw_params()
740 mutex_lock(&ua->mutex); in capture_pcm_hw_params()
742 mutex_unlock(&ua->mutex); in capture_pcm_hw_params()
753 struct ua101 *ua = substream->private_data; in playback_pcm_hw_params()
756 mutex_lock(&ua->mutex); in playback_pcm_hw_params()
760 mutex_unlock(&ua->mutex); in playback_pcm_hw_params()
775 struct ua101 *ua = substream->private_data; in capture_pcm_prepare()
778 mutex_lock(&ua->mutex); in capture_pcm_prepare()
780 mutex_unlock(&ua->mutex); in capture_pcm_prepare()
790 wait_event(ua->alsa_capture_wait, in capture_pcm_prepare()
791 test_bit(CAPTURE_URB_COMPLETED, &ua->states) || in capture_pcm_prepare()
792 !test_bit(USB_CAPTURE_RUNNING, &ua->states)); in capture_pcm_prepare()
793 if (test_bit(DISCONNECTED, &ua->states)) in capture_pcm_prepare()
794 return -ENODEV; in capture_pcm_prepare()
795 if (!test_bit(USB_CAPTURE_RUNNING, &ua->states)) in capture_pcm_prepare()
796 return -EIO; in capture_pcm_prepare()
798 ua->capture.period_pos = 0; in capture_pcm_prepare()
799 ua->capture.buffer_pos = 0; in capture_pcm_prepare()
805 struct ua101 *ua = substream->private_data; in playback_pcm_prepare()
808 mutex_lock(&ua->mutex); in playback_pcm_prepare()
812 mutex_unlock(&ua->mutex); in playback_pcm_prepare()
817 wait_event(ua->alsa_playback_wait, in playback_pcm_prepare()
818 test_bit(PLAYBACK_URB_COMPLETED, &ua->states) || in playback_pcm_prepare()
819 !test_bit(USB_PLAYBACK_RUNNING, &ua->states)); in playback_pcm_prepare()
820 if (test_bit(DISCONNECTED, &ua->states)) in playback_pcm_prepare()
821 return -ENODEV; in playback_pcm_prepare()
822 if (!test_bit(USB_PLAYBACK_RUNNING, &ua->states)) in playback_pcm_prepare()
823 return -EIO; in playback_pcm_prepare()
825 substream->runtime->delay = 0; in playback_pcm_prepare()
826 ua->playback.period_pos = 0; in playback_pcm_prepare()
827 ua->playback.buffer_pos = 0; in playback_pcm_prepare()
833 struct ua101 *ua = substream->private_data; in capture_pcm_trigger()
837 if (!test_bit(USB_CAPTURE_RUNNING, &ua->states)) in capture_pcm_trigger()
838 return -EIO; in capture_pcm_trigger()
839 set_bit(ALSA_CAPTURE_RUNNING, &ua->states); in capture_pcm_trigger()
842 clear_bit(ALSA_CAPTURE_RUNNING, &ua->states); in capture_pcm_trigger()
845 return -EINVAL; in capture_pcm_trigger()
851 struct ua101 *ua = substream->private_data; in playback_pcm_trigger()
855 if (!test_bit(USB_PLAYBACK_RUNNING, &ua->states)) in playback_pcm_trigger()
856 return -EIO; in playback_pcm_trigger()
857 set_bit(ALSA_PLAYBACK_RUNNING, &ua->states); in playback_pcm_trigger()
860 clear_bit(ALSA_PLAYBACK_RUNNING, &ua->states); in playback_pcm_trigger()
863 return -EINVAL; in playback_pcm_trigger()
873 spin_lock_irqsave(&ua->lock, flags); in ua101_pcm_pointer()
874 pos = stream->buffer_pos; in ua101_pcm_pointer()
875 spin_unlock_irqrestore(&ua->lock, flags); in ua101_pcm_pointer()
881 struct ua101 *ua = subs->private_data; in capture_pcm_pointer()
883 return ua101_pcm_pointer(ua, &ua->capture); in capture_pcm_pointer()
888 struct ua101 *ua = subs->private_data; in playback_pcm_pointer()
890 return ua101_pcm_pointer(ua, &ua->playback); in playback_pcm_pointer()
924 if (interface->num_altsetting != 2) { in find_format_descriptor()
925 dev_err(&interface->dev, "invalid num_altsetting\n"); in find_format_descriptor()
929 alt = &interface->altsetting[0]; in find_format_descriptor()
930 if (alt->desc.bNumEndpoints != 0) { in find_format_descriptor()
931 dev_err(&interface->dev, "invalid bNumEndpoints\n"); in find_format_descriptor()
935 alt = &interface->altsetting[1]; in find_format_descriptor()
936 if (alt->desc.bNumEndpoints != 1) { in find_format_descriptor()
937 dev_err(&interface->dev, "invalid bNumEndpoints\n"); in find_format_descriptor()
941 extra = alt->extra; in find_format_descriptor()
942 extralen = alt->extralen; in find_format_descriptor()
947 if (desc->bLength > extralen) { in find_format_descriptor()
948 dev_err(&interface->dev, "descriptor overflow\n"); in find_format_descriptor()
951 if (desc->bLength == UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(1) && in find_format_descriptor()
952 desc->bDescriptorType == USB_DT_CS_INTERFACE && in find_format_descriptor()
953 desc->bDescriptorSubtype == UAC_FORMAT_TYPE) { in find_format_descriptor()
954 if (desc->bFormatType != UAC_FORMAT_TYPE_I_PCM || in find_format_descriptor()
955 desc->bSamFreqType != 1) { in find_format_descriptor()
956 dev_err(&interface->dev, in find_format_descriptor()
962 extralen -= desc->bLength; in find_format_descriptor()
963 extra += desc->bLength; in find_format_descriptor()
965 dev_err(&interface->dev, "sample format descriptor not found\n"); in find_format_descriptor()
976 fmt_capture = find_format_descriptor(ua->intf[INTF_CAPTURE]); in detect_usb_format()
977 fmt_playback = find_format_descriptor(ua->intf[INTF_PLAYBACK]); in detect_usb_format()
979 return -ENXIO; in detect_usb_format()
981 switch (fmt_capture->bSubframeSize) { in detect_usb_format()
983 ua->format_bit = SNDRV_PCM_FMTBIT_S24_3LE; in detect_usb_format()
986 ua->format_bit = SNDRV_PCM_FMTBIT_S32_LE; in detect_usb_format()
989 dev_err(&ua->dev->dev, "sample width is not 24 or 32 bits\n"); in detect_usb_format()
990 return -ENXIO; in detect_usb_format()
992 if (fmt_capture->bSubframeSize != fmt_playback->bSubframeSize) { in detect_usb_format()
993 dev_err(&ua->dev->dev, in detect_usb_format()
994 "playback/capture sample widths do not match\n"); in detect_usb_format()
995 return -ENXIO; in detect_usb_format()
998 if (fmt_capture->bBitResolution != 24 || in detect_usb_format()
999 fmt_playback->bBitResolution != 24) { in detect_usb_format()
1000 dev_err(&ua->dev->dev, "sample width is not 24 bits\n"); in detect_usb_format()
1001 return -ENXIO; in detect_usb_format()
1004 ua->rate = combine_triple(fmt_capture->tSamFreq[0]); in detect_usb_format()
1005 rate2 = combine_triple(fmt_playback->tSamFreq[0]); in detect_usb_format()
1006 if (ua->rate != rate2) { in detect_usb_format()
1007 dev_err(&ua->dev->dev, in detect_usb_format()
1008 "playback/capture rates do not match: %u/%u\n", in detect_usb_format()
1009 rate2, ua->rate); in detect_usb_format()
1010 return -ENXIO; in detect_usb_format()
1013 switch (ua->dev->speed) { in detect_usb_format()
1015 ua->packets_per_second = 1000; in detect_usb_format()
1018 ua->packets_per_second = 8000; in detect_usb_format()
1021 dev_err(&ua->dev->dev, "unknown device speed\n"); in detect_usb_format()
1022 return -ENXIO; in detect_usb_format()
1025 ua->capture.channels = fmt_capture->bNrChannels; in detect_usb_format()
1026 ua->playback.channels = fmt_playback->bNrChannels; in detect_usb_format()
1027 ua->capture.frame_bytes = in detect_usb_format()
1028 fmt_capture->bSubframeSize * ua->capture.channels; in detect_usb_format()
1029 ua->playback.frame_bytes = in detect_usb_format()
1030 fmt_playback->bSubframeSize * ua->playback.channels; in detect_usb_format()
1032 epd = &ua->intf[INTF_CAPTURE]->altsetting[1].endpoint[0].desc; in detect_usb_format()
1034 dev_err(&ua->dev->dev, "invalid capture endpoint\n"); in detect_usb_format()
1035 return -ENXIO; in detect_usb_format()
1037 ua->capture.usb_pipe = usb_rcvisocpipe(ua->dev, usb_endpoint_num(epd)); in detect_usb_format()
1038 ua->capture.max_packet_bytes = usb_endpoint_maxp(epd); in detect_usb_format()
1040 epd = &ua->intf[INTF_PLAYBACK]->altsetting[1].endpoint[0].desc; in detect_usb_format()
1042 dev_err(&ua->dev->dev, "invalid playback endpoint\n"); in detect_usb_format()
1043 return -ENXIO; in detect_usb_format()
1045 ua->playback.usb_pipe = usb_sndisocpipe(ua->dev, usb_endpoint_num(epd)); in detect_usb_format()
1046 ua->playback.max_packet_bytes = usb_endpoint_maxp(epd); in detect_usb_format()
1055 stream->queue_length = queue_length; in alloc_stream_buffers()
1056 stream->queue_length = max(stream->queue_length, in alloc_stream_buffers()
1058 stream->queue_length = min(stream->queue_length, in alloc_stream_buffers()
1067 remaining_packets = stream->queue_length; in alloc_stream_buffers()
1068 packets_per_page = PAGE_SIZE / stream->max_packet_bytes; in alloc_stream_buffers()
1069 for (i = 0; i < ARRAY_SIZE(stream->buffers); ++i) { in alloc_stream_buffers()
1071 size = packets * stream->max_packet_bytes; in alloc_stream_buffers()
1072 stream->buffers[i].addr = in alloc_stream_buffers()
1073 usb_alloc_coherent(ua->dev, size, GFP_KERNEL, in alloc_stream_buffers()
1074 &stream->buffers[i].dma); in alloc_stream_buffers()
1075 if (!stream->buffers[i].addr) in alloc_stream_buffers()
1076 return -ENOMEM; in alloc_stream_buffers()
1077 stream->buffers[i].size = size; in alloc_stream_buffers()
1078 remaining_packets -= packets; in alloc_stream_buffers()
1083 dev_err(&ua->dev->dev, "too many packets\n"); in alloc_stream_buffers()
1084 return -ENXIO; in alloc_stream_buffers()
1093 for (i = 0; i < ARRAY_SIZE(stream->buffers); ++i) in free_stream_buffers()
1094 usb_free_coherent(ua->dev, in free_stream_buffers()
1095 stream->buffers[i].size, in free_stream_buffers()
1096 stream->buffers[i].addr, in free_stream_buffers()
1097 stream->buffers[i].dma); in free_stream_buffers()
1103 unsigned max_packet_size = stream->max_packet_bytes; in alloc_stream_urbs()
1107 for (b = 0; b < ARRAY_SIZE(stream->buffers); ++b) { in alloc_stream_urbs()
1108 unsigned int size = stream->buffers[b].size; in alloc_stream_urbs()
1109 u8 *addr = stream->buffers[b].addr; in alloc_stream_urbs()
1110 dma_addr_t dma = stream->buffers[b].dma; in alloc_stream_urbs()
1113 if (u >= stream->queue_length) in alloc_stream_urbs()
1117 return -ENOMEM; in alloc_stream_urbs()
1118 usb_init_urb(&urb->urb); in alloc_stream_urbs()
1119 urb->urb.dev = ua->dev; in alloc_stream_urbs()
1120 urb->urb.pipe = stream->usb_pipe; in alloc_stream_urbs()
1121 urb->urb.transfer_flags = URB_NO_TRANSFER_DMA_MAP; in alloc_stream_urbs()
1122 urb->urb.transfer_buffer = addr; in alloc_stream_urbs()
1123 urb->urb.transfer_dma = dma; in alloc_stream_urbs()
1124 urb->urb.transfer_buffer_length = max_packet_size; in alloc_stream_urbs()
1125 urb->urb.number_of_packets = 1; in alloc_stream_urbs()
1126 urb->urb.interval = 1; in alloc_stream_urbs()
1127 urb->urb.context = ua; in alloc_stream_urbs()
1128 urb->urb.complete = urb_complete; in alloc_stream_urbs()
1129 urb->urb.iso_frame_desc[0].offset = 0; in alloc_stream_urbs()
1130 urb->urb.iso_frame_desc[0].length = max_packet_size; in alloc_stream_urbs()
1131 stream->urbs[u++] = urb; in alloc_stream_urbs()
1132 size -= max_packet_size; in alloc_stream_urbs()
1137 if (u == stream->queue_length) in alloc_stream_urbs()
1140 dev_err(&ua->dev->dev, "internal buffer size error\n"); in alloc_stream_urbs()
1141 return -ENXIO; in alloc_stream_urbs()
1148 for (i = 0; i < stream->queue_length; ++i) { in free_stream_urbs()
1149 kfree(stream->urbs[i]); in free_stream_urbs()
1150 stream->urbs[i] = NULL; in free_stream_urbs()
1160 mutex_lock(&ua->mutex); in free_usb_related_resources()
1161 free_stream_urbs(&ua->capture); in free_usb_related_resources()
1162 free_stream_urbs(&ua->playback); in free_usb_related_resources()
1163 mutex_unlock(&ua->mutex); in free_usb_related_resources()
1164 free_stream_buffers(ua, &ua->capture); in free_usb_related_resources()
1165 free_stream_buffers(ua, &ua->playback); in free_usb_related_resources()
1167 for (i = 0; i < ARRAY_SIZE(ua->intf); ++i) { in free_usb_related_resources()
1168 mutex_lock(&ua->mutex); in free_usb_related_resources()
1169 intf = ua->intf[i]; in free_usb_related_resources()
1170 ua->intf[i] = NULL; in free_usb_related_resources()
1171 mutex_unlock(&ua->mutex); in free_usb_related_resources()
1183 struct ua101 *ua = card->private_data; in ua101_card_free()
1185 mutex_destroy(&ua->mutex); in ua101_card_free()
1200 { /* UA-101 */ in ua101_probe()
1205 { /* UA-1000 */ in ua101_probe()
1219 is_ua1000 = usb_id->idProduct == 0x0044; in ua101_probe()
1221 if (interface->altsetting->desc.bInterfaceNumber != in ua101_probe()
1223 return -ENODEV; in ua101_probe()
1232 return -ENOENT; in ua101_probe()
1234 err = snd_card_new(&interface->dev, in ua101_probe()
1241 card->private_free = ua101_card_free; in ua101_probe()
1242 ua = card->private_data; in ua101_probe()
1243 ua->dev = interface_to_usbdev(interface); in ua101_probe()
1244 ua->card = card; in ua101_probe()
1245 ua->card_index = card_index; in ua101_probe()
1246 INIT_LIST_HEAD(&ua->midi_list); in ua101_probe()
1247 spin_lock_init(&ua->lock); in ua101_probe()
1248 mutex_init(&ua->mutex); in ua101_probe()
1249 INIT_LIST_HEAD(&ua->ready_playback_urbs); in ua101_probe()
1250 tasklet_init(&ua->playback_tasklet, in ua101_probe()
1252 init_waitqueue_head(&ua->alsa_capture_wait); in ua101_probe()
1253 init_waitqueue_head(&ua->rate_feedback_wait); in ua101_probe()
1254 init_waitqueue_head(&ua->alsa_playback_wait); in ua101_probe()
1256 ua->intf[0] = interface; in ua101_probe()
1257 for (i = 1; i < ARRAY_SIZE(ua->intf); ++i) { in ua101_probe()
1258 ua->intf[i] = usb_ifnum_to_if(ua->dev, in ua101_probe()
1260 if (!ua->intf[i]) { in ua101_probe()
1261 dev_err(&ua->dev->dev, "interface %u not found\n", in ua101_probe()
1263 err = -ENXIO; in ua101_probe()
1267 ua->intf[i], ua); in ua101_probe()
1269 ua->intf[i] = NULL; in ua101_probe()
1270 err = -EBUSY; in ua101_probe()
1279 name = usb_id->idProduct == 0x0044 ? "UA-1000" : "UA-101"; in ua101_probe()
1280 strcpy(card->driver, "UA-101"); in ua101_probe()
1281 strcpy(card->shortname, name); in ua101_probe()
1282 usb_make_path(ua->dev, usb_path, sizeof(usb_path)); in ua101_probe()
1283 snprintf(ua->card->longname, sizeof(ua->card->longname), in ua101_probe()
1285 ua->dev->serial ? ua->dev->serial : "?", ua->rate, usb_path, in ua101_probe()
1286 ua->dev->speed == USB_SPEED_HIGH ? "high" : "full"); in ua101_probe()
1288 err = alloc_stream_buffers(ua, &ua->capture); in ua101_probe()
1291 err = alloc_stream_buffers(ua, &ua->playback); in ua101_probe()
1295 err = alloc_stream_urbs(ua, &ua->capture, capture_urb_complete); in ua101_probe()
1298 err = alloc_stream_urbs(ua, &ua->playback, playback_urb_complete); in ua101_probe()
1302 err = snd_pcm_new(card, name, 0, 1, 1, &ua->pcm); in ua101_probe()
1305 ua->pcm->private_data = ua; in ua101_probe()
1306 strcpy(ua->pcm->name, name); in ua101_probe()
1307 snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_PLAYBACK, &playback_pcm_ops); in ua101_probe()
1308 snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_CAPTURE, &capture_pcm_ops); in ua101_probe()
1310 err = snd_usbmidi_create(card, ua->intf[INTF_MIDI], in ua101_probe()
1311 &ua->midi_list, &midi_quirk); in ua101_probe()
1342 set_bit(DISCONNECTED, &ua->states); in ua101_disconnect()
1343 wake_up(&ua->rate_feedback_wait); in ua101_disconnect()
1346 snd_card_disconnect(ua->card); in ua101_disconnect()
1349 list_for_each(midi, &ua->midi_list) in ua101_disconnect()
1353 mutex_lock(&ua->mutex); in ua101_disconnect()
1356 mutex_unlock(&ua->mutex); in ua101_disconnect()
1360 devices_used &= ~(1 << ua->card_index); in ua101_disconnect()
1362 snd_card_free_when_closed(ua->card); in ua101_disconnect()
1368 { USB_DEVICE(0x0582, 0x0044) }, /* UA-1000 high speed */
1369 { USB_DEVICE(0x0582, 0x007d) }, /* UA-101 high speed */
1370 { USB_DEVICE(0x0582, 0x008d) }, /* UA-101 full speed */
1376 .name = "snd-ua101",