Lines Matching +full:playback +full:- +full:channels
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Edirol UA-101/UA-1000 driver
19 MODULE_DESCRIPTION("Edirol UA-101/1000 driver");
22 MODULE_SUPPORTED_DEVICE("{{Edirol,UA-101},{Edirol,UA-1000}}");
33 * This magic value optimizes memory usage efficiency for the UA-101's packet
56 __stringify(MIN_QUEUE_LENGTH)"-"__stringify(MAX_QUEUE_LENGTH));
93 /* FIFO to synchronize playback rate to capture rate */
106 unsigned int channels; member
122 } capture, playback; member
135 case -ENODEV: in usb_error_string()
137 case -ENOENT: in usb_error_string()
139 case -EPIPE: in usb_error_string()
141 case -ENOSPC: in usb_error_string()
143 case -ESHUTDOWN: in usb_error_string()
145 case -EHOSTUNREACH: in usb_error_string()
147 case -EINVAL: in usb_error_string()
148 case -EAGAIN: in usb_error_string()
149 case -EFBIG: in usb_error_string()
150 case -EMSGSIZE: in usb_error_string()
159 if (test_and_clear_bit(USB_CAPTURE_RUNNING, &ua->states)) { in abort_usb_capture()
160 wake_up(&ua->alsa_capture_wait); in abort_usb_capture()
161 wake_up(&ua->rate_feedback_wait); in abort_usb_capture()
167 if (test_and_clear_bit(USB_PLAYBACK_RUNNING, &ua->states)) in abort_usb_playback()
168 wake_up(&ua->alsa_playback_wait); in abort_usb_playback()
174 struct ua101 *ua = urb->urb.context; in playback_urb_complete()
177 if (unlikely(urb->urb.status == -ENOENT || /* unlinked */ in playback_urb_complete()
178 urb->urb.status == -ENODEV || /* device removed */ in playback_urb_complete()
179 urb->urb.status == -ECONNRESET || /* unlinked */ in playback_urb_complete()
180 urb->urb.status == -ESHUTDOWN)) { /* device disabled */ in playback_urb_complete()
186 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states)) { in playback_urb_complete()
188 spin_lock_irqsave(&ua->lock, flags); in playback_urb_complete()
189 list_add_tail(&urb->ready_list, &ua->ready_playback_urbs); in playback_urb_complete()
190 if (ua->rate_feedback_count > 0) in playback_urb_complete()
191 queue_work(system_highpri_wq, &ua->playback_work); in playback_urb_complete()
192 ua->playback.substream->runtime->delay -= in playback_urb_complete()
193 urb->urb.iso_frame_desc[0].length / in playback_urb_complete()
194 ua->playback.frame_bytes; in playback_urb_complete()
195 spin_unlock_irqrestore(&ua->lock, flags); in playback_urb_complete()
201 struct ua101 *ua = urb->context; in first_playback_urb_complete()
203 urb->complete = playback_urb_complete; in first_playback_urb_complete()
206 set_bit(PLAYBACK_URB_COMPLETED, &ua->states); in first_playback_urb_complete()
207 wake_up(&ua->alsa_playback_wait); in first_playback_urb_complete()
218 runtime = stream->substream->runtime; in copy_playback_data()
219 frame_bytes = stream->frame_bytes; in copy_playback_data()
220 source = runtime->dma_area + stream->buffer_pos * frame_bytes; in copy_playback_data()
221 if (stream->buffer_pos + frames <= runtime->buffer_size) { in copy_playback_data()
222 memcpy(urb->transfer_buffer, source, frames * frame_bytes); in copy_playback_data()
225 frames1 = runtime->buffer_size - stream->buffer_pos; in copy_playback_data()
226 memcpy(urb->transfer_buffer, source, frames1 * frame_bytes); in copy_playback_data()
227 memcpy(urb->transfer_buffer + frames1 * frame_bytes, in copy_playback_data()
228 runtime->dma_area, (frames - frames1) * frame_bytes); in copy_playback_data()
231 stream->buffer_pos += frames; in copy_playback_data()
232 if (stream->buffer_pos >= runtime->buffer_size) in copy_playback_data()
233 stream->buffer_pos -= runtime->buffer_size; in copy_playback_data()
234 stream->period_pos += frames; in copy_playback_data()
235 if (stream->period_pos >= runtime->period_size) { in copy_playback_data()
236 stream->period_pos -= runtime->period_size; in copy_playback_data()
246 if (*value >= ua->playback.queue_length) in add_with_wraparound()
247 *value -= ua->playback.queue_length; in add_with_wraparound()
259 if (unlikely(!test_bit(USB_PLAYBACK_RUNNING, &ua->states))) in playback_work()
263 * Synchronizing the playback rate to the capture rate is done by using in playback_work()
265 * Submitting a playback URB therefore requires both a ready URB and in playback_work()
266 * the size of the corresponding capture packet, i.e., both playback in playback_work()
268 * not guarantee that playback and capture complete callbacks are in playback_work()
270 * submitting playback URBs is possible as long as both FIFOs are in playback_work()
273 spin_lock_irqsave(&ua->lock, flags); in playback_work()
274 while (ua->rate_feedback_count > 0 && in playback_work()
275 !list_empty(&ua->ready_playback_urbs)) { in playback_work()
277 frames = ua->rate_feedback[ua->rate_feedback_start]; in playback_work()
278 add_with_wraparound(ua, &ua->rate_feedback_start, 1); in playback_work()
279 ua->rate_feedback_count--; in playback_work()
282 urb = list_first_entry(&ua->ready_playback_urbs, in playback_work()
284 list_del(&urb->ready_list); in playback_work()
287 urb->urb.iso_frame_desc[0].length = in playback_work()
288 frames * ua->playback.frame_bytes; in playback_work()
289 if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) in playback_work()
290 do_period_elapsed |= copy_playback_data(&ua->playback, in playback_work()
291 &urb->urb, in playback_work()
294 memset(urb->urb.transfer_buffer, 0, in playback_work()
295 urb->urb.iso_frame_desc[0].length); in playback_work()
298 err = usb_submit_urb(&urb->urb, GFP_ATOMIC); in playback_work()
300 spin_unlock_irqrestore(&ua->lock, flags); in playback_work()
303 dev_err(&ua->dev->dev, "USB request error %d: %s\n", in playback_work()
307 ua->playback.substream->runtime->delay += frames; in playback_work()
309 spin_unlock_irqrestore(&ua->lock, flags); in playback_work()
311 snd_pcm_period_elapsed(ua->playback.substream); in playback_work()
322 runtime = stream->substream->runtime; in copy_capture_data()
323 frame_bytes = stream->frame_bytes; in copy_capture_data()
324 dest = runtime->dma_area + stream->buffer_pos * frame_bytes; in copy_capture_data()
325 if (stream->buffer_pos + frames <= runtime->buffer_size) { in copy_capture_data()
326 memcpy(dest, urb->transfer_buffer, frames * frame_bytes); in copy_capture_data()
329 frames1 = runtime->buffer_size - stream->buffer_pos; in copy_capture_data()
330 memcpy(dest, urb->transfer_buffer, frames1 * frame_bytes); in copy_capture_data()
331 memcpy(runtime->dma_area, in copy_capture_data()
332 urb->transfer_buffer + frames1 * frame_bytes, in copy_capture_data()
333 (frames - frames1) * frame_bytes); in copy_capture_data()
336 stream->buffer_pos += frames; in copy_capture_data()
337 if (stream->buffer_pos >= runtime->buffer_size) in copy_capture_data()
338 stream->buffer_pos -= runtime->buffer_size; in copy_capture_data()
339 stream->period_pos += frames; in copy_capture_data()
340 if (stream->period_pos >= runtime->period_size) { in copy_capture_data()
341 stream->period_pos -= runtime->period_size; in copy_capture_data()
349 struct ua101 *ua = urb->context; in capture_urb_complete()
350 struct ua101_stream *stream = &ua->capture; in capture_urb_complete()
356 if (unlikely(urb->status == -ENOENT || /* unlinked */ in capture_urb_complete()
357 urb->status == -ENODEV || /* device removed */ in capture_urb_complete()
358 urb->status == -ECONNRESET || /* unlinked */ in capture_urb_complete()
359 urb->status == -ESHUTDOWN)) /* device disabled */ in capture_urb_complete()
362 if (urb->status >= 0 && urb->iso_frame_desc[0].status >= 0) in capture_urb_complete()
363 frames = urb->iso_frame_desc[0].actual_length / in capture_urb_complete()
364 stream->frame_bytes; in capture_urb_complete()
368 spin_lock_irqsave(&ua->lock, flags); in capture_urb_complete()
370 if (frames > 0 && test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) in capture_urb_complete()
375 if (test_bit(USB_CAPTURE_RUNNING, &ua->states)) { in capture_urb_complete()
378 spin_unlock_irqrestore(&ua->lock, flags); in capture_urb_complete()
379 dev_err(&ua->dev->dev, "USB request error %d: %s\n", in capture_urb_complete()
385 write_ptr = ua->rate_feedback_start; in capture_urb_complete()
386 add_with_wraparound(ua, &write_ptr, ua->rate_feedback_count); in capture_urb_complete()
387 ua->rate_feedback[write_ptr] = frames; in capture_urb_complete()
388 if (ua->rate_feedback_count < ua->playback.queue_length) { in capture_urb_complete()
389 ua->rate_feedback_count++; in capture_urb_complete()
390 if (ua->rate_feedback_count == in capture_urb_complete()
391 ua->playback.queue_length) in capture_urb_complete()
392 wake_up(&ua->rate_feedback_wait); in capture_urb_complete()
395 * Ring buffer overflow; this happens when the playback in capture_urb_complete()
397 * so that the playback stream, when it starts, sees in capture_urb_complete()
400 add_with_wraparound(ua, &ua->rate_feedback_start, 1); in capture_urb_complete()
402 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states) && in capture_urb_complete()
403 !list_empty(&ua->ready_playback_urbs)) in capture_urb_complete()
404 queue_work(system_highpri_wq, &ua->playback_work); in capture_urb_complete()
407 spin_unlock_irqrestore(&ua->lock, flags); in capture_urb_complete()
410 snd_pcm_period_elapsed(stream->substream); in capture_urb_complete()
423 struct ua101 *ua = urb->context; in first_capture_urb_complete()
425 urb->complete = capture_urb_complete; in first_capture_urb_complete()
428 set_bit(CAPTURE_URB_COMPLETED, &ua->states); in first_capture_urb_complete()
429 wake_up(&ua->alsa_capture_wait); in first_capture_urb_complete()
436 for (i = 0; i < stream->queue_length; ++i) { in submit_stream_urbs()
437 int err = usb_submit_urb(&stream->urbs[i]->urb, GFP_KERNEL); in submit_stream_urbs()
439 dev_err(&ua->dev->dev, "USB request error %d: %s\n", in submit_stream_urbs()
451 for (i = 0; i < stream->queue_length; ++i) in kill_stream_urbs()
452 if (stream->urbs[i]) in kill_stream_urbs()
453 usb_kill_urb(&stream->urbs[i]->urb); in kill_stream_urbs()
460 alts = ua->intf[intf_index]->cur_altsetting; in enable_iso_interface()
461 if (alts->desc.bAlternateSetting != 1) { in enable_iso_interface()
462 int err = usb_set_interface(ua->dev, in enable_iso_interface()
463 alts->desc.bInterfaceNumber, 1); in enable_iso_interface()
465 dev_err(&ua->dev->dev, in enable_iso_interface()
478 if (!ua->intf[intf_index]) in disable_iso_interface()
481 alts = ua->intf[intf_index]->cur_altsetting; in disable_iso_interface()
482 if (alts->desc.bAlternateSetting != 0) { in disable_iso_interface()
483 int err = usb_set_interface(ua->dev, in disable_iso_interface()
484 alts->desc.bInterfaceNumber, 0); in disable_iso_interface()
485 if (err < 0 && !test_bit(DISCONNECTED, &ua->states)) in disable_iso_interface()
486 dev_warn(&ua->dev->dev, in disable_iso_interface()
494 clear_bit(USB_CAPTURE_RUNNING, &ua->states); in stop_usb_capture()
496 kill_stream_urbs(&ua->capture); in stop_usb_capture()
505 if (test_bit(DISCONNECTED, &ua->states)) in start_usb_capture()
506 return -ENODEV; in start_usb_capture()
508 if (test_bit(USB_CAPTURE_RUNNING, &ua->states)) in start_usb_capture()
511 kill_stream_urbs(&ua->capture); in start_usb_capture()
517 clear_bit(CAPTURE_URB_COMPLETED, &ua->states); in start_usb_capture()
518 ua->capture.urbs[0]->urb.complete = first_capture_urb_complete; in start_usb_capture()
519 ua->rate_feedback_start = 0; in start_usb_capture()
520 ua->rate_feedback_count = 0; in start_usb_capture()
522 set_bit(USB_CAPTURE_RUNNING, &ua->states); in start_usb_capture()
523 err = submit_stream_urbs(ua, &ua->capture); in start_usb_capture()
531 clear_bit(USB_PLAYBACK_RUNNING, &ua->states); in stop_usb_playback()
533 kill_stream_urbs(&ua->playback); in stop_usb_playback()
535 cancel_work_sync(&ua->playback_work); in stop_usb_playback()
546 if (test_bit(DISCONNECTED, &ua->states)) in start_usb_playback()
547 return -ENODEV; in start_usb_playback()
549 if (test_bit(USB_PLAYBACK_RUNNING, &ua->states)) in start_usb_playback()
552 kill_stream_urbs(&ua->playback); in start_usb_playback()
553 cancel_work_sync(&ua->playback_work); in start_usb_playback()
559 clear_bit(PLAYBACK_URB_COMPLETED, &ua->states); in start_usb_playback()
560 ua->playback.urbs[0]->urb.complete = in start_usb_playback()
562 spin_lock_irq(&ua->lock); in start_usb_playback()
563 INIT_LIST_HEAD(&ua->ready_playback_urbs); in start_usb_playback()
564 spin_unlock_irq(&ua->lock); in start_usb_playback()
570 wait_event(ua->rate_feedback_wait, in start_usb_playback()
571 ua->rate_feedback_count >= ua->playback.queue_length || in start_usb_playback()
572 !test_bit(USB_CAPTURE_RUNNING, &ua->states) || in start_usb_playback()
573 test_bit(DISCONNECTED, &ua->states)); in start_usb_playback()
574 if (test_bit(DISCONNECTED, &ua->states)) { in start_usb_playback()
576 return -ENODEV; in start_usb_playback()
578 if (!test_bit(USB_CAPTURE_RUNNING, &ua->states)) { in start_usb_playback()
580 return -EIO; in start_usb_playback()
583 for (i = 0; i < ua->playback.queue_length; ++i) { in start_usb_playback()
585 spin_lock_irq(&ua->lock); in start_usb_playback()
586 frames = ua->rate_feedback[ua->rate_feedback_start]; in start_usb_playback()
587 add_with_wraparound(ua, &ua->rate_feedback_start, 1); in start_usb_playback()
588 ua->rate_feedback_count--; in start_usb_playback()
589 spin_unlock_irq(&ua->lock); in start_usb_playback()
590 urb = &ua->playback.urbs[i]->urb; in start_usb_playback()
591 urb->iso_frame_desc[0].length = in start_usb_playback()
592 frames * ua->playback.frame_bytes; in start_usb_playback()
593 memset(urb->transfer_buffer, 0, in start_usb_playback()
594 urb->iso_frame_desc[0].length); in start_usb_playback()
597 set_bit(USB_PLAYBACK_RUNNING, &ua->states); in start_usb_playback()
598 err = submit_stream_urbs(ua, &ua->playback); in start_usb_playback()
606 if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) in abort_alsa_capture()
607 snd_pcm_stop_xrun(ua->capture.substream); in abort_alsa_capture()
612 if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) in abort_alsa_playback()
613 snd_pcm_stop_xrun(ua->playback.substream); in abort_alsa_playback()
617 unsigned int channels) in set_stream_hw() argument
621 substream->runtime->hw.info = in set_stream_hw()
628 substream->runtime->hw.formats = ua->format_bit; in set_stream_hw()
629 substream->runtime->hw.rates = snd_pcm_rate_to_rate_bit(ua->rate); in set_stream_hw()
630 substream->runtime->hw.rate_min = ua->rate; in set_stream_hw()
631 substream->runtime->hw.rate_max = ua->rate; in set_stream_hw()
632 substream->runtime->hw.channels_min = channels; in set_stream_hw()
633 substream->runtime->hw.channels_max = channels; in set_stream_hw()
634 substream->runtime->hw.buffer_bytes_max = 45000 * 1024; in set_stream_hw()
635 substream->runtime->hw.period_bytes_min = 1; in set_stream_hw()
636 substream->runtime->hw.period_bytes_max = UINT_MAX; in set_stream_hw()
637 substream->runtime->hw.periods_min = 2; in set_stream_hw()
638 substream->runtime->hw.periods_max = UINT_MAX; in set_stream_hw()
639 err = snd_pcm_hw_constraint_minmax(substream->runtime, in set_stream_hw()
641 1500000 / ua->packets_per_second, in set_stream_hw()
645 err = snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24); in set_stream_hw()
651 struct ua101 *ua = substream->private_data; in capture_pcm_open()
654 ua->capture.substream = substream; in capture_pcm_open()
655 err = set_stream_hw(ua, substream, ua->capture.channels); in capture_pcm_open()
658 substream->runtime->hw.fifo_size = in capture_pcm_open()
659 DIV_ROUND_CLOSEST(ua->rate, ua->packets_per_second); in capture_pcm_open()
660 substream->runtime->delay = substream->runtime->hw.fifo_size; in capture_pcm_open()
662 mutex_lock(&ua->mutex); in capture_pcm_open()
665 set_bit(ALSA_CAPTURE_OPEN, &ua->states); in capture_pcm_open()
666 mutex_unlock(&ua->mutex); in capture_pcm_open()
672 struct ua101 *ua = substream->private_data; in playback_pcm_open()
675 ua->playback.substream = substream; in playback_pcm_open()
676 err = set_stream_hw(ua, substream, ua->playback.channels); in playback_pcm_open()
679 substream->runtime->hw.fifo_size = in playback_pcm_open()
680 DIV_ROUND_CLOSEST(ua->rate * ua->playback.queue_length, in playback_pcm_open()
681 ua->packets_per_second); in playback_pcm_open()
683 mutex_lock(&ua->mutex); in playback_pcm_open()
689 if (!test_bit(ALSA_CAPTURE_OPEN, &ua->states)) in playback_pcm_open()
693 set_bit(ALSA_PLAYBACK_OPEN, &ua->states); in playback_pcm_open()
695 mutex_unlock(&ua->mutex); in playback_pcm_open()
701 struct ua101 *ua = substream->private_data; in capture_pcm_close()
703 mutex_lock(&ua->mutex); in capture_pcm_close()
704 clear_bit(ALSA_CAPTURE_OPEN, &ua->states); in capture_pcm_close()
705 if (!test_bit(ALSA_PLAYBACK_OPEN, &ua->states)) in capture_pcm_close()
707 mutex_unlock(&ua->mutex); in capture_pcm_close()
713 struct ua101 *ua = substream->private_data; in playback_pcm_close()
715 mutex_lock(&ua->mutex); in playback_pcm_close()
717 clear_bit(ALSA_PLAYBACK_OPEN, &ua->states); in playback_pcm_close()
718 if (!test_bit(ALSA_CAPTURE_OPEN, &ua->states)) in playback_pcm_close()
720 mutex_unlock(&ua->mutex); in playback_pcm_close()
727 struct ua101 *ua = substream->private_data; in capture_pcm_hw_params()
730 mutex_lock(&ua->mutex); in capture_pcm_hw_params()
732 mutex_unlock(&ua->mutex); in capture_pcm_hw_params()
739 struct ua101 *ua = substream->private_data; in playback_pcm_hw_params()
742 mutex_lock(&ua->mutex); in playback_pcm_hw_params()
746 mutex_unlock(&ua->mutex); in playback_pcm_hw_params()
752 struct ua101 *ua = substream->private_data; in capture_pcm_prepare()
755 mutex_lock(&ua->mutex); in capture_pcm_prepare()
757 mutex_unlock(&ua->mutex); in capture_pcm_prepare()
767 wait_event(ua->alsa_capture_wait, in capture_pcm_prepare()
768 test_bit(CAPTURE_URB_COMPLETED, &ua->states) || in capture_pcm_prepare()
769 !test_bit(USB_CAPTURE_RUNNING, &ua->states)); in capture_pcm_prepare()
770 if (test_bit(DISCONNECTED, &ua->states)) in capture_pcm_prepare()
771 return -ENODEV; in capture_pcm_prepare()
772 if (!test_bit(USB_CAPTURE_RUNNING, &ua->states)) in capture_pcm_prepare()
773 return -EIO; in capture_pcm_prepare()
775 ua->capture.period_pos = 0; in capture_pcm_prepare()
776 ua->capture.buffer_pos = 0; in capture_pcm_prepare()
782 struct ua101 *ua = substream->private_data; in playback_pcm_prepare()
785 mutex_lock(&ua->mutex); in playback_pcm_prepare()
789 mutex_unlock(&ua->mutex); in playback_pcm_prepare()
794 wait_event(ua->alsa_playback_wait, in playback_pcm_prepare()
795 test_bit(PLAYBACK_URB_COMPLETED, &ua->states) || in playback_pcm_prepare()
796 !test_bit(USB_PLAYBACK_RUNNING, &ua->states)); in playback_pcm_prepare()
797 if (test_bit(DISCONNECTED, &ua->states)) in playback_pcm_prepare()
798 return -ENODEV; in playback_pcm_prepare()
799 if (!test_bit(USB_PLAYBACK_RUNNING, &ua->states)) in playback_pcm_prepare()
800 return -EIO; in playback_pcm_prepare()
802 substream->runtime->delay = 0; in playback_pcm_prepare()
803 ua->playback.period_pos = 0; in playback_pcm_prepare()
804 ua->playback.buffer_pos = 0; in playback_pcm_prepare()
810 struct ua101 *ua = substream->private_data; in capture_pcm_trigger()
814 if (!test_bit(USB_CAPTURE_RUNNING, &ua->states)) in capture_pcm_trigger()
815 return -EIO; in capture_pcm_trigger()
816 set_bit(ALSA_CAPTURE_RUNNING, &ua->states); in capture_pcm_trigger()
819 clear_bit(ALSA_CAPTURE_RUNNING, &ua->states); in capture_pcm_trigger()
822 return -EINVAL; in capture_pcm_trigger()
828 struct ua101 *ua = substream->private_data; in playback_pcm_trigger()
832 if (!test_bit(USB_PLAYBACK_RUNNING, &ua->states)) in playback_pcm_trigger()
833 return -EIO; in playback_pcm_trigger()
834 set_bit(ALSA_PLAYBACK_RUNNING, &ua->states); in playback_pcm_trigger()
837 clear_bit(ALSA_PLAYBACK_RUNNING, &ua->states); in playback_pcm_trigger()
840 return -EINVAL; in playback_pcm_trigger()
850 spin_lock_irqsave(&ua->lock, flags); in ua101_pcm_pointer()
851 pos = stream->buffer_pos; in ua101_pcm_pointer()
852 spin_unlock_irqrestore(&ua->lock, flags); in ua101_pcm_pointer()
858 struct ua101 *ua = subs->private_data; in capture_pcm_pointer()
860 return ua101_pcm_pointer(ua, &ua->capture); in capture_pcm_pointer()
865 struct ua101 *ua = subs->private_data; in playback_pcm_pointer()
867 return ua101_pcm_pointer(ua, &ua->playback); in playback_pcm_pointer()
895 if (interface->num_altsetting != 2) { in find_format_descriptor()
896 dev_err(&interface->dev, "invalid num_altsetting\n"); in find_format_descriptor()
900 alt = &interface->altsetting[0]; in find_format_descriptor()
901 if (alt->desc.bNumEndpoints != 0) { in find_format_descriptor()
902 dev_err(&interface->dev, "invalid bNumEndpoints\n"); in find_format_descriptor()
906 alt = &interface->altsetting[1]; in find_format_descriptor()
907 if (alt->desc.bNumEndpoints != 1) { in find_format_descriptor()
908 dev_err(&interface->dev, "invalid bNumEndpoints\n"); in find_format_descriptor()
912 extra = alt->extra; in find_format_descriptor()
913 extralen = alt->extralen; in find_format_descriptor()
918 if (desc->bLength > extralen) { in find_format_descriptor()
919 dev_err(&interface->dev, "descriptor overflow\n"); in find_format_descriptor()
922 if (desc->bLength == UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(1) && in find_format_descriptor()
923 desc->bDescriptorType == USB_DT_CS_INTERFACE && in find_format_descriptor()
924 desc->bDescriptorSubtype == UAC_FORMAT_TYPE) { in find_format_descriptor()
925 if (desc->bFormatType != UAC_FORMAT_TYPE_I_PCM || in find_format_descriptor()
926 desc->bSamFreqType != 1) { in find_format_descriptor()
927 dev_err(&interface->dev, in find_format_descriptor()
933 extralen -= desc->bLength; in find_format_descriptor()
934 extra += desc->bLength; in find_format_descriptor()
936 dev_err(&interface->dev, "sample format descriptor not found\n"); in find_format_descriptor()
947 fmt_capture = find_format_descriptor(ua->intf[INTF_CAPTURE]); in detect_usb_format()
948 fmt_playback = find_format_descriptor(ua->intf[INTF_PLAYBACK]); in detect_usb_format()
950 return -ENXIO; in detect_usb_format()
952 switch (fmt_capture->bSubframeSize) { in detect_usb_format()
954 ua->format_bit = SNDRV_PCM_FMTBIT_S24_3LE; in detect_usb_format()
957 ua->format_bit = SNDRV_PCM_FMTBIT_S32_LE; in detect_usb_format()
960 dev_err(&ua->dev->dev, "sample width is not 24 or 32 bits\n"); in detect_usb_format()
961 return -ENXIO; in detect_usb_format()
963 if (fmt_capture->bSubframeSize != fmt_playback->bSubframeSize) { in detect_usb_format()
964 dev_err(&ua->dev->dev, in detect_usb_format()
965 "playback/capture sample widths do not match\n"); in detect_usb_format()
966 return -ENXIO; in detect_usb_format()
969 if (fmt_capture->bBitResolution != 24 || in detect_usb_format()
970 fmt_playback->bBitResolution != 24) { in detect_usb_format()
971 dev_err(&ua->dev->dev, "sample width is not 24 bits\n"); in detect_usb_format()
972 return -ENXIO; in detect_usb_format()
975 ua->rate = combine_triple(fmt_capture->tSamFreq[0]); in detect_usb_format()
976 rate2 = combine_triple(fmt_playback->tSamFreq[0]); in detect_usb_format()
977 if (ua->rate != rate2) { in detect_usb_format()
978 dev_err(&ua->dev->dev, in detect_usb_format()
979 "playback/capture rates do not match: %u/%u\n", in detect_usb_format()
980 rate2, ua->rate); in detect_usb_format()
981 return -ENXIO; in detect_usb_format()
984 switch (ua->dev->speed) { in detect_usb_format()
986 ua->packets_per_second = 1000; in detect_usb_format()
989 ua->packets_per_second = 8000; in detect_usb_format()
992 dev_err(&ua->dev->dev, "unknown device speed\n"); in detect_usb_format()
993 return -ENXIO; in detect_usb_format()
996 ua->capture.channels = fmt_capture->bNrChannels; in detect_usb_format()
997 ua->playback.channels = fmt_playback->bNrChannels; in detect_usb_format()
998 ua->capture.frame_bytes = in detect_usb_format()
999 fmt_capture->bSubframeSize * ua->capture.channels; in detect_usb_format()
1000 ua->playback.frame_bytes = in detect_usb_format()
1001 fmt_playback->bSubframeSize * ua->playback.channels; in detect_usb_format()
1003 epd = &ua->intf[INTF_CAPTURE]->altsetting[1].endpoint[0].desc; in detect_usb_format()
1005 dev_err(&ua->dev->dev, "invalid capture endpoint\n"); in detect_usb_format()
1006 return -ENXIO; in detect_usb_format()
1008 ua->capture.usb_pipe = usb_rcvisocpipe(ua->dev, usb_endpoint_num(epd)); in detect_usb_format()
1009 ua->capture.max_packet_bytes = usb_endpoint_maxp(epd); in detect_usb_format()
1011 epd = &ua->intf[INTF_PLAYBACK]->altsetting[1].endpoint[0].desc; in detect_usb_format()
1013 dev_err(&ua->dev->dev, "invalid playback endpoint\n"); in detect_usb_format()
1014 return -ENXIO; in detect_usb_format()
1016 ua->playback.usb_pipe = usb_sndisocpipe(ua->dev, usb_endpoint_num(epd)); in detect_usb_format()
1017 ua->playback.max_packet_bytes = usb_endpoint_maxp(epd); in detect_usb_format()
1026 stream->queue_length = queue_length; in alloc_stream_buffers()
1027 stream->queue_length = max(stream->queue_length, in alloc_stream_buffers()
1029 stream->queue_length = min(stream->queue_length, in alloc_stream_buffers()
1038 remaining_packets = stream->queue_length; in alloc_stream_buffers()
1039 packets_per_page = PAGE_SIZE / stream->max_packet_bytes; in alloc_stream_buffers()
1040 for (i = 0; i < ARRAY_SIZE(stream->buffers); ++i) { in alloc_stream_buffers()
1042 size = packets * stream->max_packet_bytes; in alloc_stream_buffers()
1043 stream->buffers[i].addr = in alloc_stream_buffers()
1044 usb_alloc_coherent(ua->dev, size, GFP_KERNEL, in alloc_stream_buffers()
1045 &stream->buffers[i].dma); in alloc_stream_buffers()
1046 if (!stream->buffers[i].addr) in alloc_stream_buffers()
1047 return -ENOMEM; in alloc_stream_buffers()
1048 stream->buffers[i].size = size; in alloc_stream_buffers()
1049 remaining_packets -= packets; in alloc_stream_buffers()
1054 dev_err(&ua->dev->dev, "too many packets\n"); in alloc_stream_buffers()
1055 return -ENXIO; in alloc_stream_buffers()
1064 for (i = 0; i < ARRAY_SIZE(stream->buffers); ++i) in free_stream_buffers()
1065 usb_free_coherent(ua->dev, in free_stream_buffers()
1066 stream->buffers[i].size, in free_stream_buffers()
1067 stream->buffers[i].addr, in free_stream_buffers()
1068 stream->buffers[i].dma); in free_stream_buffers()
1074 unsigned max_packet_size = stream->max_packet_bytes; in alloc_stream_urbs()
1078 for (b = 0; b < ARRAY_SIZE(stream->buffers); ++b) { in alloc_stream_urbs()
1079 unsigned int size = stream->buffers[b].size; in alloc_stream_urbs()
1080 u8 *addr = stream->buffers[b].addr; in alloc_stream_urbs()
1081 dma_addr_t dma = stream->buffers[b].dma; in alloc_stream_urbs()
1084 if (u >= stream->queue_length) in alloc_stream_urbs()
1088 return -ENOMEM; in alloc_stream_urbs()
1089 usb_init_urb(&urb->urb); in alloc_stream_urbs()
1090 urb->urb.dev = ua->dev; in alloc_stream_urbs()
1091 urb->urb.pipe = stream->usb_pipe; in alloc_stream_urbs()
1092 urb->urb.transfer_flags = URB_NO_TRANSFER_DMA_MAP; in alloc_stream_urbs()
1093 urb->urb.transfer_buffer = addr; in alloc_stream_urbs()
1094 urb->urb.transfer_dma = dma; in alloc_stream_urbs()
1095 urb->urb.transfer_buffer_length = max_packet_size; in alloc_stream_urbs()
1096 urb->urb.number_of_packets = 1; in alloc_stream_urbs()
1097 urb->urb.interval = 1; in alloc_stream_urbs()
1098 urb->urb.context = ua; in alloc_stream_urbs()
1099 urb->urb.complete = urb_complete; in alloc_stream_urbs()
1100 urb->urb.iso_frame_desc[0].offset = 0; in alloc_stream_urbs()
1101 urb->urb.iso_frame_desc[0].length = max_packet_size; in alloc_stream_urbs()
1102 stream->urbs[u++] = urb; in alloc_stream_urbs()
1103 size -= max_packet_size; in alloc_stream_urbs()
1108 if (u == stream->queue_length) in alloc_stream_urbs()
1111 dev_err(&ua->dev->dev, "internal buffer size error\n"); in alloc_stream_urbs()
1112 return -ENXIO; in alloc_stream_urbs()
1119 for (i = 0; i < stream->queue_length; ++i) { in free_stream_urbs()
1120 kfree(stream->urbs[i]); in free_stream_urbs()
1121 stream->urbs[i] = NULL; in free_stream_urbs()
1131 mutex_lock(&ua->mutex); in free_usb_related_resources()
1132 free_stream_urbs(&ua->capture); in free_usb_related_resources()
1133 free_stream_urbs(&ua->playback); in free_usb_related_resources()
1134 mutex_unlock(&ua->mutex); in free_usb_related_resources()
1135 free_stream_buffers(ua, &ua->capture); in free_usb_related_resources()
1136 free_stream_buffers(ua, &ua->playback); in free_usb_related_resources()
1138 for (i = 0; i < ARRAY_SIZE(ua->intf); ++i) { in free_usb_related_resources()
1139 mutex_lock(&ua->mutex); in free_usb_related_resources()
1140 intf = ua->intf[i]; in free_usb_related_resources()
1141 ua->intf[i] = NULL; in free_usb_related_resources()
1142 mutex_unlock(&ua->mutex); in free_usb_related_resources()
1154 struct ua101 *ua = card->private_data; in ua101_card_free()
1156 mutex_destroy(&ua->mutex); in ua101_card_free()
1171 { /* UA-101 */ in ua101_probe()
1176 { /* UA-1000 */ in ua101_probe()
1190 is_ua1000 = usb_id->idProduct == 0x0044; in ua101_probe()
1192 if (interface->altsetting->desc.bInterfaceNumber != in ua101_probe()
1194 return -ENODEV; in ua101_probe()
1203 return -ENOENT; in ua101_probe()
1205 err = snd_card_new(&interface->dev, in ua101_probe()
1212 card->private_free = ua101_card_free; in ua101_probe()
1213 ua = card->private_data; in ua101_probe()
1214 ua->dev = interface_to_usbdev(interface); in ua101_probe()
1215 ua->card = card; in ua101_probe()
1216 ua->card_index = card_index; in ua101_probe()
1217 INIT_LIST_HEAD(&ua->midi_list); in ua101_probe()
1218 spin_lock_init(&ua->lock); in ua101_probe()
1219 mutex_init(&ua->mutex); in ua101_probe()
1220 INIT_LIST_HEAD(&ua->ready_playback_urbs); in ua101_probe()
1221 INIT_WORK(&ua->playback_work, playback_work); in ua101_probe()
1222 init_waitqueue_head(&ua->alsa_capture_wait); in ua101_probe()
1223 init_waitqueue_head(&ua->rate_feedback_wait); in ua101_probe()
1224 init_waitqueue_head(&ua->alsa_playback_wait); in ua101_probe()
1226 ua->intf[0] = interface; in ua101_probe()
1227 for (i = 1; i < ARRAY_SIZE(ua->intf); ++i) { in ua101_probe()
1228 ua->intf[i] = usb_ifnum_to_if(ua->dev, in ua101_probe()
1230 if (!ua->intf[i]) { in ua101_probe()
1231 dev_err(&ua->dev->dev, "interface %u not found\n", in ua101_probe()
1233 err = -ENXIO; in ua101_probe()
1237 ua->intf[i], ua); in ua101_probe()
1239 ua->intf[i] = NULL; in ua101_probe()
1240 err = -EBUSY; in ua101_probe()
1249 name = usb_id->idProduct == 0x0044 ? "UA-1000" : "UA-101"; in ua101_probe()
1250 strcpy(card->driver, "UA-101"); in ua101_probe()
1251 strcpy(card->shortname, name); in ua101_probe()
1252 usb_make_path(ua->dev, usb_path, sizeof(usb_path)); in ua101_probe()
1253 snprintf(ua->card->longname, sizeof(ua->card->longname), in ua101_probe()
1255 ua->dev->serial ? ua->dev->serial : "?", ua->rate, usb_path, in ua101_probe()
1256 ua->dev->speed == USB_SPEED_HIGH ? "high" : "full"); in ua101_probe()
1258 err = alloc_stream_buffers(ua, &ua->capture); in ua101_probe()
1261 err = alloc_stream_buffers(ua, &ua->playback); in ua101_probe()
1265 err = alloc_stream_urbs(ua, &ua->capture, capture_urb_complete); in ua101_probe()
1268 err = alloc_stream_urbs(ua, &ua->playback, playback_urb_complete); in ua101_probe()
1272 err = snd_pcm_new(card, name, 0, 1, 1, &ua->pcm); in ua101_probe()
1275 ua->pcm->private_data = ua; in ua101_probe()
1276 strcpy(ua->pcm->name, name); in ua101_probe()
1277 snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_PLAYBACK, &playback_pcm_ops); in ua101_probe()
1278 snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_CAPTURE, &capture_pcm_ops); in ua101_probe()
1279 snd_pcm_set_managed_buffer_all(ua->pcm, SNDRV_DMA_TYPE_VMALLOC, in ua101_probe()
1282 err = snd_usbmidi_create(card, ua->intf[INTF_MIDI], in ua101_probe()
1283 &ua->midi_list, &midi_quirk); in ua101_probe()
1314 set_bit(DISCONNECTED, &ua->states); in ua101_disconnect()
1315 wake_up(&ua->rate_feedback_wait); in ua101_disconnect()
1318 snd_card_disconnect(ua->card); in ua101_disconnect()
1321 list_for_each(midi, &ua->midi_list) in ua101_disconnect()
1325 mutex_lock(&ua->mutex); in ua101_disconnect()
1328 mutex_unlock(&ua->mutex); in ua101_disconnect()
1332 devices_used &= ~(1 << ua->card_index); in ua101_disconnect()
1334 snd_card_free_when_closed(ua->card); in ua101_disconnect()
1340 { USB_DEVICE(0x0582, 0x0044) }, /* UA-1000 high speed */
1341 { USB_DEVICE(0x0582, 0x007d) }, /* UA-101 high speed */
1342 { USB_DEVICE(0x0582, 0x008d) }, /* UA-101 full speed */
1348 .name = "snd-ua101",