Lines Matching refs:subs
57 static int usx2y_urb_capt_retire(struct snd_usx2y_substream *subs)
59 struct urb *urb = subs->completed_urb;
60 struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
62 int i, len, lens = 0, hwptr_done = subs->hwptr_done;
63 struct usx2ydev *usx2y = subs->usx2y;
94 subs->hwptr_done = hwptr_done;
95 subs->transfer_done += lens;
97 if (subs->transfer_done >= runtime->period_size) {
98 subs->transfer_done -= runtime->period_size;
99 snd_pcm_period_elapsed(subs->pcm_substream);
113 static int usx2y_urb_play_prepare(struct snd_usx2y_substream *subs,
118 struct usx2ydev *usx2y = subs->usx2y;
119 struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
137 if (atomic_read(&subs->state) >= STATE_PRERUNNING)
138 if (subs->hwptr + count > runtime->buffer_size) {
143 len = runtime->buffer_size - subs->hwptr;
144 urb->transfer_buffer = subs->tmpbuf;
145 memcpy(subs->tmpbuf, runtime->dma_area +
146 subs->hwptr * usx2y->stride, len * usx2y->stride);
147 memcpy(subs->tmpbuf + len * usx2y->stride,
149 subs->hwptr += count;
150 subs->hwptr -= runtime->buffer_size;
153 urb->transfer_buffer = runtime->dma_area + subs->hwptr * usx2y->stride;
154 if ((subs->hwptr += count) >= runtime->buffer_size)
155 subs->hwptr -= runtime->buffer_size;
158 urb->transfer_buffer = subs->tmpbuf;
168 static void usx2y_urb_play_retire(struct snd_usx2y_substream *subs, struct urb *urb)
170 struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
171 int len = urb->actual_length / subs->usx2y->stride;
173 subs->transfer_done += len;
174 subs->hwptr_done += len;
175 if (subs->hwptr_done >= runtime->buffer_size)
176 subs->hwptr_done -= runtime->buffer_size;
177 if (subs->transfer_done >= runtime->period_size) {
178 subs->transfer_done -= runtime->period_size;
179 snd_pcm_period_elapsed(subs->pcm_substream);
183 static int usx2y_urb_submit(struct snd_usx2y_substream *subs, struct urb *urb, int frame)
190 urb->dev = subs->usx2y->dev; /* we need to set this at each time */
252 struct snd_usx2y_substream *subs = usx2y->subs[s];
253 if (subs) {
254 snd_printdd("%i %p state=%i\n", s, subs, atomic_read(&subs->state));
255 atomic_set(&subs->state, STATE_STOPPED);
259 struct snd_usx2y_substream *subs = usx2y->subs[s];
260 if (subs) {
261 if (atomic_read(&subs->state) >= STATE_PRERUNNING)
262 snd_pcm_stop_xrun(subs->pcm_substream);
264 struct urb *urb = subs->urb[u];
276 struct snd_usx2y_substream *subs, struct urb *urb)
278 snd_printk(KERN_ERR "ep=%i stalled with status=%i\n", subs->endpoint, urb->status);
285 struct snd_usx2y_substream *subs = urb->context;
286 struct usx2ydev *usx2y = subs->usx2y;
288 if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) {
291 subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out",
296 usx2y_error_urb_status(usx2y, subs, urb);
300 subs->completed_urb = urb;
303 struct snd_usx2y_substream *capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE],
304 *playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
324 struct snd_usx2y_substream *subs = usx2y->subs[s];
325 if (NULL != subs)
327 struct urb * urb = subs->urb[u];
342 struct snd_usx2y_substream *subs = urb->context;
343 struct usx2ydev *usx2y = subs->usx2y;
355 static void usx2y_subs_prepare(struct snd_usx2y_substream *subs)
358 subs, subs->endpoint, subs->urb[0], subs->urb[1]);
360 subs->hwptr = 0;
361 subs->hwptr_done = 0;
362 subs->transfer_done = 0;
379 static void usx2y_urbs_release(struct snd_usx2y_substream *subs)
382 snd_printdd("usx2y_urbs_release() %i\n", subs->endpoint);
384 usx2y_urb_release(subs->urb + i,
385 subs != subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
387 kfree(subs->tmpbuf);
388 subs->tmpbuf = NULL;
393 static int usx2y_urbs_allocate(struct snd_usx2y_substream *subs)
397 int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
398 struct usb_device *dev = subs->usx2y->dev;
400 pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) :
401 usb_rcvisocpipe(dev, subs->endpoint);
402 subs->maxpacksize = usb_maxpacket(dev, pipe, is_playback);
403 if (!subs->maxpacksize)
406 if (is_playback && NULL == subs->tmpbuf) { /* allocate a temporary buffer for playback */
407 subs->tmpbuf = kcalloc(nr_of_packs(), subs->maxpacksize, GFP_KERNEL);
408 if (!subs->tmpbuf)
413 struct urb **purb = subs->urb + i;
420 usx2y_urbs_release(subs);
426 kmalloc_array(subs->maxpacksize,
429 usx2y_urbs_release(subs);
436 (*purb)->context = subs;
443 static void usx2y_subs_startup(struct snd_usx2y_substream *subs)
445 struct usx2ydev *usx2y = subs->usx2y;
446 usx2y->prepare_subs = subs;
447 subs->urb[0]->start_frame = -1;
452 static int usx2y_urbs_start(struct snd_usx2y_substream *subs)
455 struct usx2ydev *usx2y = subs->usx2y;
457 if ((err = usx2y_urbs_allocate(subs)) < 0)
459 subs->completed_urb = NULL;
461 struct snd_usx2y_substream *subs = usx2y->subs[i];
462 if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED)
467 usx2y_subs_startup(subs);
469 struct urb *urb = subs->urb[i];
473 atomic_set(&subs->state, STATE_STARTING3);
476 urb->iso_frame_desc[pack].offset = subs->maxpacksize * pack;
477 urb->iso_frame_desc[pack].length = subs->maxpacksize;
479 urb->transfer_buffer_length = subs->maxpacksize * nr_of_packs();
489 atomic_set(&subs->state, STATE_STARTING1);
495 if (atomic_read(&subs->state) != STATE_PREPARED)
511 struct snd_usx2y_substream *subs = substream->runtime->private_data;
512 return subs->hwptr_done;
519 struct snd_usx2y_substream *subs = substream->runtime->private_data;
524 if (atomic_read(&subs->state) == STATE_PREPARED &&
525 atomic_read(&subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= STATE_PREPARED) {
526 atomic_set(&subs->state, STATE_PRERUNNING);
534 if (atomic_read(&subs->state) >= STATE_PRERUNNING)
535 atomic_set(&subs->state, STATE_PREPARED);
751 struct snd_usx2y_substream *subs = dev->subs[i];
754 if (!subs)
756 test_substream = subs->pcm_substream;
780 struct snd_usx2y_substream *subs = runtime->private_data;
781 mutex_lock(&subs->usx2y->pcm_mutex);
785 struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
786 atomic_set(&subs->state, STATE_STOPPED);
787 usx2y_urbs_release(subs);
796 struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
798 atomic_set(&subs->state, STATE_STOPPED);
799 usx2y_urbs_release(subs);
802 mutex_unlock(&subs->usx2y->pcm_mutex);
813 struct snd_usx2y_substream *subs = runtime->private_data;
814 struct usx2ydev *usx2y = subs->usx2y;
815 struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
820 usx2y_subs_prepare(subs);
830 snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe");
835 if (subs != capsubs && atomic_read(&subs->state) < STATE_PREPARED)
836 err = usx2y_urbs_start(subs);
867 struct snd_usx2y_substream *subs = ((struct snd_usx2y_substream **)
871 if (subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)
875 runtime->private_data = subs;
876 subs->pcm_substream = substream;
886 struct snd_usx2y_substream *subs = runtime->private_data;
888 subs->pcm_substream = NULL;
931 usx2y(card)->subs + 2 * usx2y(card)->pcm_devs;