Lines Matching refs:cdev
43 #define MAKE_CHECKBYTE(cdev,stream,i) \ argument
44 (stream << 1) | (~(i / (cdev->n_streams * BYTES_PER_SAMPLE_USB)) & 1)
64 activate_substream(struct snd_usb_caiaqdev *cdev, in activate_substream() argument
67 spin_lock(&cdev->spinlock); in activate_substream()
70 cdev->sub_playback[sub->number] = sub; in activate_substream()
72 cdev->sub_capture[sub->number] = sub; in activate_substream()
74 spin_unlock(&cdev->spinlock); in activate_substream()
78 deactivate_substream(struct snd_usb_caiaqdev *cdev, in deactivate_substream() argument
82 spin_lock_irqsave(&cdev->spinlock, flags); in deactivate_substream()
85 cdev->sub_playback[sub->number] = NULL; in deactivate_substream()
87 cdev->sub_capture[sub->number] = NULL; in deactivate_substream()
89 spin_unlock_irqrestore(&cdev->spinlock, flags); in deactivate_substream()
102 static int stream_start(struct snd_usb_caiaqdev *cdev) in stream_start() argument
105 struct device *dev = caiaqdev_to_dev(cdev); in stream_start()
107 dev_dbg(dev, "%s(%p)\n", __func__, cdev); in stream_start()
109 if (cdev->streaming) in stream_start()
112 memset(cdev->sub_playback, 0, sizeof(cdev->sub_playback)); in stream_start()
113 memset(cdev->sub_capture, 0, sizeof(cdev->sub_capture)); in stream_start()
114 cdev->input_panic = 0; in stream_start()
115 cdev->output_panic = 0; in stream_start()
116 cdev->first_packet = 4; in stream_start()
117 cdev->streaming = 1; in stream_start()
118 cdev->warned = 0; in stream_start()
121 ret = usb_submit_urb(cdev->data_urbs_in[i], GFP_ATOMIC); in stream_start()
125 cdev->streaming = 0; in stream_start()
133 static void stream_stop(struct snd_usb_caiaqdev *cdev) in stream_stop() argument
136 struct device *dev = caiaqdev_to_dev(cdev); in stream_stop()
138 dev_dbg(dev, "%s(%p)\n", __func__, cdev); in stream_stop()
139 if (!cdev->streaming) in stream_stop()
142 cdev->streaming = 0; in stream_stop()
145 usb_kill_urb(cdev->data_urbs_in[i]); in stream_stop()
147 if (test_bit(i, &cdev->outurb_active_mask)) in stream_stop()
148 usb_kill_urb(cdev->data_urbs_out[i]); in stream_stop()
151 cdev->outurb_active_mask = 0; in stream_stop()
156 struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream); in snd_usb_caiaq_substream_open() local
157 struct device *dev = caiaqdev_to_dev(cdev); in snd_usb_caiaq_substream_open()
160 substream->runtime->hw = cdev->pcm_info; in snd_usb_caiaq_substream_open()
168 struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream); in snd_usb_caiaq_substream_close() local
169 struct device *dev = caiaqdev_to_dev(cdev); in snd_usb_caiaq_substream_close()
172 if (all_substreams_zero(cdev->sub_playback) && in snd_usb_caiaq_substream_close()
173 all_substreams_zero(cdev->sub_capture)) { in snd_usb_caiaq_substream_close()
176 stream_stop(cdev); in snd_usb_caiaq_substream_close()
177 cdev->pcm_info.rates = cdev->samplerates; in snd_usb_caiaq_substream_close()
192 struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub); in snd_usb_caiaq_pcm_hw_free() local
193 deactivate_substream(cdev, sub); in snd_usb_caiaq_pcm_hw_free()
209 struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(substream); in snd_usb_caiaq_pcm_prepare() local
211 struct device *dev = caiaqdev_to_dev(cdev); in snd_usb_caiaq_pcm_prepare()
218 switch (cdev->spec.data_alignment) { in snd_usb_caiaq_pcm_prepare()
229 cdev->period_out_count[index] = out_pos; in snd_usb_caiaq_pcm_prepare()
230 cdev->audio_out_buf_pos[index] = out_pos; in snd_usb_caiaq_pcm_prepare()
234 switch (cdev->spec.data_alignment) { in snd_usb_caiaq_pcm_prepare()
247 cdev->period_in_count[index] = in_pos; in snd_usb_caiaq_pcm_prepare()
248 cdev->audio_in_buf_pos[index] = in_pos; in snd_usb_caiaq_pcm_prepare()
251 if (cdev->streaming) in snd_usb_caiaq_pcm_prepare()
258 cdev->pcm_info.rates = 1 << i; in snd_usb_caiaq_pcm_prepare()
263 if (cdev->spec.data_alignment >= 2) in snd_usb_caiaq_pcm_prepare()
267 * bytes_per_sample * CHANNELS_PER_STREAM * cdev->n_streams; in snd_usb_caiaq_pcm_prepare()
272 ret = snd_usb_caiaq_set_audio_params(cdev, runtime->rate, in snd_usb_caiaq_pcm_prepare()
277 ret = stream_start(cdev); in snd_usb_caiaq_pcm_prepare()
281 cdev->output_running = 0; in snd_usb_caiaq_pcm_prepare()
282 wait_event_timeout(cdev->prepare_wait_queue, cdev->output_running, HZ); in snd_usb_caiaq_pcm_prepare()
283 if (!cdev->output_running) { in snd_usb_caiaq_pcm_prepare()
284 stream_stop(cdev); in snd_usb_caiaq_pcm_prepare()
293 struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub); in snd_usb_caiaq_pcm_trigger() local
294 struct device *dev = caiaqdev_to_dev(cdev); in snd_usb_caiaq_pcm_trigger()
301 activate_substream(cdev, sub); in snd_usb_caiaq_pcm_trigger()
305 deactivate_substream(cdev, sub); in snd_usb_caiaq_pcm_trigger()
318 struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub); in snd_usb_caiaq_pcm_pointer() local
321 spin_lock(&cdev->spinlock); in snd_usb_caiaq_pcm_pointer()
323 if (cdev->input_panic || cdev->output_panic) { in snd_usb_caiaq_pcm_pointer()
330 cdev->audio_out_buf_pos[index]); in snd_usb_caiaq_pcm_pointer()
333 cdev->audio_in_buf_pos[index]); in snd_usb_caiaq_pcm_pointer()
336 spin_unlock(&cdev->spinlock); in snd_usb_caiaq_pcm_pointer()
354 static void check_for_elapsed_periods(struct snd_usb_caiaqdev *cdev, in check_for_elapsed_periods() argument
360 for (stream = 0; stream < cdev->n_streams; stream++) { in check_for_elapsed_periods()
367 &cdev->period_out_count[stream] : in check_for_elapsed_periods()
368 &cdev->period_in_count[stream]; in check_for_elapsed_periods()
377 static void read_in_urb_mode0(struct snd_usb_caiaqdev *cdev, in read_in_urb_mode0() argument
385 if (all_substreams_zero(cdev->sub_capture)) in read_in_urb_mode0()
389 for (stream = 0; stream < cdev->n_streams; stream++, i++) { in read_in_urb_mode0()
390 sub = cdev->sub_capture[stream]; in read_in_urb_mode0()
395 audio_buf[cdev->audio_in_buf_pos[stream]++] in read_in_urb_mode0()
397 cdev->period_in_count[stream]++; in read_in_urb_mode0()
398 if (cdev->audio_in_buf_pos[stream] == sz) in read_in_urb_mode0()
399 cdev->audio_in_buf_pos[stream] = 0; in read_in_urb_mode0()
405 static void read_in_urb_mode2(struct snd_usb_caiaqdev *cdev, in read_in_urb_mode2() argument
415 if (i % (cdev->n_streams * BYTES_PER_SAMPLE_USB) == 0) { in read_in_urb_mode2()
417 stream < cdev->n_streams; in read_in_urb_mode2()
419 if (cdev->first_packet) in read_in_urb_mode2()
422 check_byte = MAKE_CHECKBYTE(cdev, stream, i); in read_in_urb_mode2()
425 cdev->input_panic = 1; in read_in_urb_mode2()
428 cdev->output_panic = 1; in read_in_urb_mode2()
431 cdev->first_packet = 0; in read_in_urb_mode2()
433 for (stream = 0; stream < cdev->n_streams; stream++, i++) { in read_in_urb_mode2()
434 sub = cdev->sub_capture[stream]; in read_in_urb_mode2()
435 if (cdev->input_panic) in read_in_urb_mode2()
442 audio_buf[cdev->audio_in_buf_pos[stream]++] = in read_in_urb_mode2()
444 cdev->period_in_count[stream]++; in read_in_urb_mode2()
445 if (cdev->audio_in_buf_pos[stream] == sz) in read_in_urb_mode2()
446 cdev->audio_in_buf_pos[stream] = 0; in read_in_urb_mode2()
452 static void read_in_urb_mode3(struct snd_usb_caiaqdev *cdev, in read_in_urb_mode3() argument
457 struct device *dev = caiaqdev_to_dev(cdev); in read_in_urb_mode3()
465 for (stream = 0; stream < cdev->n_streams; stream++) { in read_in_urb_mode3()
466 struct snd_pcm_substream *sub = cdev->sub_capture[stream]; in read_in_urb_mode3()
470 if (sub && !cdev->input_panic) { in read_in_urb_mode3()
480 audio_buf[cdev->audio_in_buf_pos[stream]++] = usb_buf[i+n]; in read_in_urb_mode3()
482 if (cdev->audio_in_buf_pos[stream] == sz) in read_in_urb_mode3()
483 cdev->audio_in_buf_pos[stream] = 0; in read_in_urb_mode3()
486 cdev->period_in_count[stream] += BYTES_PER_SAMPLE; in read_in_urb_mode3()
492 !cdev->first_packet) { in read_in_urb_mode3()
493 if (!cdev->input_panic) in read_in_urb_mode3()
496 cdev->input_panic = 1; in read_in_urb_mode3()
504 if (cdev->first_packet > 0) in read_in_urb_mode3()
505 cdev->first_packet--; in read_in_urb_mode3()
508 static void read_in_urb(struct snd_usb_caiaqdev *cdev, in read_in_urb() argument
512 struct device *dev = caiaqdev_to_dev(cdev); in read_in_urb()
514 if (!cdev->streaming) in read_in_urb()
517 if (iso->actual_length < cdev->bpp) in read_in_urb()
520 switch (cdev->spec.data_alignment) { in read_in_urb()
522 read_in_urb_mode0(cdev, urb, iso); in read_in_urb()
525 read_in_urb_mode2(cdev, urb, iso); in read_in_urb()
528 read_in_urb_mode3(cdev, urb, iso); in read_in_urb()
532 if ((cdev->input_panic || cdev->output_panic) && !cdev->warned) { in read_in_urb()
534 cdev->input_panic ? "(input)" : "", in read_in_urb()
535 cdev->output_panic ? "(output)" : ""); in read_in_urb()
536 cdev->warned = 1; in read_in_urb()
540 static void fill_out_urb_mode_0(struct snd_usb_caiaqdev *cdev, in fill_out_urb_mode_0() argument
549 for (stream = 0; stream < cdev->n_streams; stream++, i++) { in fill_out_urb_mode_0()
550 sub = cdev->sub_playback[stream]; in fill_out_urb_mode_0()
556 audio_buf[cdev->audio_out_buf_pos[stream]]; in fill_out_urb_mode_0()
557 cdev->period_out_count[stream]++; in fill_out_urb_mode_0()
558 cdev->audio_out_buf_pos[stream]++; in fill_out_urb_mode_0()
559 if (cdev->audio_out_buf_pos[stream] == sz) in fill_out_urb_mode_0()
560 cdev->audio_out_buf_pos[stream] = 0; in fill_out_urb_mode_0()
566 if (cdev->spec.data_alignment == 2 && in fill_out_urb_mode_0()
567 i % (cdev->n_streams * BYTES_PER_SAMPLE_USB) == in fill_out_urb_mode_0()
568 (cdev->n_streams * CHANNELS_PER_STREAM)) in fill_out_urb_mode_0()
569 for (stream = 0; stream < cdev->n_streams; stream++, i++) in fill_out_urb_mode_0()
570 usb_buf[i] = MAKE_CHECKBYTE(cdev, stream, i); in fill_out_urb_mode_0()
574 static void fill_out_urb_mode_3(struct snd_usb_caiaqdev *cdev, in fill_out_urb_mode_3() argument
582 for (stream = 0; stream < cdev->n_streams; stream++) { in fill_out_urb_mode_3()
583 struct snd_pcm_substream *sub = cdev->sub_playback[stream]; in fill_out_urb_mode_3()
596 usb_buf[i+n] = audio_buf[cdev->audio_out_buf_pos[stream]++]; in fill_out_urb_mode_3()
598 if (cdev->audio_out_buf_pos[stream] == sz) in fill_out_urb_mode_3()
599 cdev->audio_out_buf_pos[stream] = 0; in fill_out_urb_mode_3()
606 cdev->period_out_count[stream] += BYTES_PER_SAMPLE; in fill_out_urb_mode_3()
617 static inline void fill_out_urb(struct snd_usb_caiaqdev *cdev, in fill_out_urb() argument
621 switch (cdev->spec.data_alignment) { in fill_out_urb()
624 fill_out_urb_mode_0(cdev, urb, iso); in fill_out_urb()
627 fill_out_urb_mode_3(cdev, urb, iso); in fill_out_urb()
635 struct snd_usb_caiaqdev *cdev; in read_completed() local
644 cdev = info->cdev; in read_completed()
645 dev = caiaqdev_to_dev(cdev); in read_completed()
647 if (!cdev->streaming) in read_completed()
652 if (test_and_set_bit(i, &cdev->outurb_active_mask) == 0) { in read_completed()
653 out = cdev->data_urbs_out[i]; in read_completed()
675 spin_lock(&cdev->spinlock); in read_completed()
676 fill_out_urb(cdev, out, &out->iso_frame_desc[outframe]); in read_completed()
677 read_in_urb(cdev, urb, &urb->iso_frame_desc[frame]); in read_completed()
678 spin_unlock(&cdev->spinlock); in read_completed()
679 check_for_elapsed_periods(cdev, cdev->sub_playback); in read_completed()
680 check_for_elapsed_periods(cdev, cdev->sub_capture); in read_completed()
692 clear_bit(oinfo->index, &cdev->outurb_active_mask); in read_completed()
710 struct snd_usb_caiaqdev *cdev = info->cdev; in write_completed() local
712 if (!cdev->output_running) { in write_completed()
713 cdev->output_running = 1; in write_completed()
714 wake_up(&cdev->prepare_wait_queue); in write_completed()
717 clear_bit(info->index, &cdev->outurb_active_mask); in write_completed()
720 static struct urb **alloc_urbs(struct snd_usb_caiaqdev *cdev, int dir, int *ret) in alloc_urbs() argument
724 struct usb_device *usb_dev = cdev->chip.dev; in alloc_urbs()
725 struct device *dev = caiaqdev_to_dev(cdev); in alloc_urbs()
767 urbs[i]->context = &cdev->data_cb_info[i]; in alloc_urbs()
797 int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev) in snd_usb_caiaq_audio_init() argument
800 struct device *dev = caiaqdev_to_dev(cdev); in snd_usb_caiaq_audio_init()
802 cdev->n_audio_in = max(cdev->spec.num_analog_audio_in, in snd_usb_caiaq_audio_init()
803 cdev->spec.num_digital_audio_in) / in snd_usb_caiaq_audio_init()
805 cdev->n_audio_out = max(cdev->spec.num_analog_audio_out, in snd_usb_caiaq_audio_init()
806 cdev->spec.num_digital_audio_out) / in snd_usb_caiaq_audio_init()
808 cdev->n_streams = max(cdev->n_audio_in, cdev->n_audio_out); in snd_usb_caiaq_audio_init()
810 dev_dbg(dev, "cdev->n_audio_in = %d\n", cdev->n_audio_in); in snd_usb_caiaq_audio_init()
811 dev_dbg(dev, "cdev->n_audio_out = %d\n", cdev->n_audio_out); in snd_usb_caiaq_audio_init()
812 dev_dbg(dev, "cdev->n_streams = %d\n", cdev->n_streams); in snd_usb_caiaq_audio_init()
814 if (cdev->n_streams > MAX_STREAMS) { in snd_usb_caiaq_audio_init()
819 if (cdev->n_streams < 1) { in snd_usb_caiaq_audio_init()
820 dev_err(dev, "bogus number of streams: %d\n", cdev->n_streams); in snd_usb_caiaq_audio_init()
824 ret = snd_pcm_new(cdev->chip.card, cdev->product_name, 0, in snd_usb_caiaq_audio_init()
825 cdev->n_audio_out, cdev->n_audio_in, &cdev->pcm); in snd_usb_caiaq_audio_init()
832 cdev->pcm->private_data = cdev; in snd_usb_caiaq_audio_init()
833 strlcpy(cdev->pcm->name, cdev->product_name, sizeof(cdev->pcm->name)); in snd_usb_caiaq_audio_init()
835 memset(cdev->sub_playback, 0, sizeof(cdev->sub_playback)); in snd_usb_caiaq_audio_init()
836 memset(cdev->sub_capture, 0, sizeof(cdev->sub_capture)); in snd_usb_caiaq_audio_init()
838 memcpy(&cdev->pcm_info, &snd_usb_caiaq_pcm_hardware, in snd_usb_caiaq_audio_init()
842 cdev->samplerates = cdev->pcm_info.rates; in snd_usb_caiaq_audio_init()
843 switch (cdev->chip.usb_id) { in snd_usb_caiaq_audio_init()
848 cdev->samplerates |= SNDRV_PCM_RATE_192000; in snd_usb_caiaq_audio_init()
854 cdev->samplerates |= SNDRV_PCM_RATE_88200; in snd_usb_caiaq_audio_init()
858 snd_pcm_set_ops(cdev->pcm, SNDRV_PCM_STREAM_PLAYBACK, in snd_usb_caiaq_audio_init()
860 snd_pcm_set_ops(cdev->pcm, SNDRV_PCM_STREAM_CAPTURE, in snd_usb_caiaq_audio_init()
863 cdev->data_cb_info = in snd_usb_caiaq_audio_init()
867 if (!cdev->data_cb_info) in snd_usb_caiaq_audio_init()
870 cdev->outurb_active_mask = 0; in snd_usb_caiaq_audio_init()
871 BUILD_BUG_ON(N_URBS > (sizeof(cdev->outurb_active_mask) * 8)); in snd_usb_caiaq_audio_init()
874 cdev->data_cb_info[i].cdev = cdev; in snd_usb_caiaq_audio_init()
875 cdev->data_cb_info[i].index = i; in snd_usb_caiaq_audio_init()
878 cdev->data_urbs_in = alloc_urbs(cdev, SNDRV_PCM_STREAM_CAPTURE, &ret); in snd_usb_caiaq_audio_init()
880 kfree(cdev->data_cb_info); in snd_usb_caiaq_audio_init()
881 free_urbs(cdev->data_urbs_in); in snd_usb_caiaq_audio_init()
885 cdev->data_urbs_out = alloc_urbs(cdev, SNDRV_PCM_STREAM_PLAYBACK, &ret); in snd_usb_caiaq_audio_init()
887 kfree(cdev->data_cb_info); in snd_usb_caiaq_audio_init()
888 free_urbs(cdev->data_urbs_in); in snd_usb_caiaq_audio_init()
889 free_urbs(cdev->data_urbs_out); in snd_usb_caiaq_audio_init()
896 void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *cdev) in snd_usb_caiaq_audio_free() argument
898 struct device *dev = caiaqdev_to_dev(cdev); in snd_usb_caiaq_audio_free()
900 dev_dbg(dev, "%s(%p)\n", __func__, cdev); in snd_usb_caiaq_audio_free()
901 stream_stop(cdev); in snd_usb_caiaq_audio_free()
902 free_urbs(cdev->data_urbs_in); in snd_usb_caiaq_audio_free()
903 free_urbs(cdev->data_urbs_out); in snd_usb_caiaq_audio_free()
904 kfree(cdev->data_cb_info); in snd_usb_caiaq_audio_free()