diff options
Diffstat (limited to 'sound/usb/usx2y/usx2yhwdeppcm.c')
| -rw-r--r-- | sound/usb/usx2y/usx2yhwdeppcm.c | 410 |
1 files changed, 205 insertions, 205 deletions
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index 8253669c6a7d..399470e51c41 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -47,17 +47,17 @@ #include <sound/hwdep.h> -static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs) +static int usx2y_usbpcm_urb_capt_retire(struct snd_usx2y_substream *subs) { struct urb *urb = subs->completed_urb; struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; int i, lens = 0, hwptr_done = subs->hwptr_done; - struct usX2Ydev *usX2Y = subs->usX2Y; - if (0 > usX2Y->hwdep_pcm_shm->capture_iso_start) { //FIXME - int head = usX2Y->hwdep_pcm_shm->captured_iso_head + 1; - if (head >= ARRAY_SIZE(usX2Y->hwdep_pcm_shm->captured_iso)) + struct usx2ydev *usx2y = subs->usx2y; + if (0 > usx2y->hwdep_pcm_shm->capture_iso_start) { //FIXME + int head = usx2y->hwdep_pcm_shm->captured_iso_head + 1; + if (head >= ARRAY_SIZE(usx2y->hwdep_pcm_shm->captured_iso)) head = 0; - usX2Y->hwdep_pcm_shm->capture_iso_start = head; + usx2y->hwdep_pcm_shm->capture_iso_start = head; snd_printdd("cap start %i\n", head); } for (i = 0; i < nr_of_packs(); i++) { @@ -65,7 +65,7 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs) snd_printk(KERN_ERR "active frame status %i. Most probably some hardware problem.\n", urb->iso_frame_desc[i].status); return urb->iso_frame_desc[i].status; } - lens += urb->iso_frame_desc[i].actual_length / usX2Y->stride; + lens += urb->iso_frame_desc[i].actual_length / usx2y->stride; } if ((hwptr_done += lens) >= runtime->buffer_size) hwptr_done -= runtime->buffer_size; @@ -79,10 +79,10 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs) return 0; } -static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime, - struct usX2Ydev * usX2Y) +static inline int usx2y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime, + struct usx2ydev * usx2y) { - return (runtime->buffer_size * 1000) / usX2Y->rate + 1; //FIXME: so far only correct period_size == 2^x ? + return (runtime->buffer_size * 1000) / usx2y->rate + 1; //FIXME: so far only correct period_size == 2^x ? } /* @@ -95,17 +95,17 @@ static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime, * it directly from the buffer. thus the data is once copied to * a temporary buffer and urb points to that. */ -static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs, +static int usx2y_hwdep_urb_play_prepare(struct snd_usx2y_substream *subs, struct urb *urb) { int count, counts, pack; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_hwdep_pcm_shm *shm = usX2Y->hwdep_pcm_shm; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_hwdep_pcm_shm *shm = usx2y->hwdep_pcm_shm; struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; if (0 > shm->playback_iso_start) { shm->playback_iso_start = shm->captured_iso_head - - usX2Y_iso_frames_per_buffer(runtime, usX2Y); + usx2y_iso_frames_per_buffer(runtime, usx2y); if (0 > shm->playback_iso_start) shm->playback_iso_start += ARRAY_SIZE(shm->captured_iso); shm->playback_iso_head = shm->playback_iso_start; @@ -114,7 +114,7 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs, count = 0; for (pack = 0; pack < nr_of_packs(); pack++) { /* calculate the size of a packet */ - counts = shm->captured_iso[shm->playback_iso_head].length / usX2Y->stride; + counts = shm->captured_iso[shm->playback_iso_head].length / usx2y->stride; if (counts < 43 || counts > 50) { snd_printk(KERN_ERR "should not be here with counts=%i\n", counts); return -EPIPE; @@ -122,26 +122,26 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs, /* set up descriptor */ urb->iso_frame_desc[pack].offset = shm->captured_iso[shm->playback_iso_head].offset; urb->iso_frame_desc[pack].length = shm->captured_iso[shm->playback_iso_head].length; - if (atomic_read(&subs->state) != state_RUNNING) + if (atomic_read(&subs->state) != STATE_RUNNING) memset((char *)urb->transfer_buffer + urb->iso_frame_desc[pack].offset, 0, urb->iso_frame_desc[pack].length); if (++shm->playback_iso_head >= ARRAY_SIZE(shm->captured_iso)) shm->playback_iso_head = 0; count += counts; } - urb->transfer_buffer_length = count * usX2Y->stride; + urb->transfer_buffer_length = count * usx2y->stride; return 0; } -static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream *subs, +static inline void usx2y_usbpcm_urb_capt_iso_advance(struct snd_usx2y_substream *subs, struct urb *urb) { int pack; for (pack = 0; pack < nr_of_packs(); ++pack) { struct usb_iso_packet_descriptor *desc = urb->iso_frame_desc + pack; if (NULL != subs) { - struct snd_usX2Y_hwdep_pcm_shm *shm = subs->usX2Y->hwdep_pcm_shm; + struct snd_usx2y_hwdep_pcm_shm *shm = subs->usx2y->hwdep_pcm_shm; int head = shm->captured_iso_head + 1; if (head >= ARRAY_SIZE(shm->captured_iso)) head = 0; @@ -157,9 +157,9 @@ static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream } } -static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *capsubs, - struct snd_usX2Y_substream *capsubs2, - struct snd_usX2Y_substream *playbacksubs, +static inline int usx2y_usbpcm_usbframe_complete(struct snd_usx2y_substream *capsubs, + struct snd_usx2y_substream *capsubs2, + struct snd_usx2y_substream *playbacksubs, int frame) { int err, state; @@ -167,25 +167,25 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap state = atomic_read(&playbacksubs->state); if (NULL != urb) { - if (state == state_RUNNING) - usX2Y_urb_play_retire(playbacksubs, urb); - else if (state >= state_PRERUNNING) + if (state == STATE_RUNNING) + usx2y_urb_play_retire(playbacksubs, urb); + else if (state >= STATE_PRERUNNING) atomic_inc(&playbacksubs->state); } else { switch (state) { - case state_STARTING1: + case STATE_STARTING1: urb = playbacksubs->urb[0]; atomic_inc(&playbacksubs->state); break; - case state_STARTING2: + case STATE_STARTING2: urb = playbacksubs->urb[1]; atomic_inc(&playbacksubs->state); break; } } if (urb) { - if ((err = usX2Y_hwdep_urb_play_prepare(playbacksubs, urb)) || - (err = usX2Y_urb_submit(playbacksubs, urb, frame))) { + if ((err = usx2y_hwdep_urb_play_prepare(playbacksubs, urb)) || + (err = usx2y_urb_submit(playbacksubs, urb, frame))) { return err; } } @@ -193,19 +193,19 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap playbacksubs->completed_urb = NULL; state = atomic_read(&capsubs->state); - if (state >= state_PREPARED) { - if (state == state_RUNNING) { - if ((err = usX2Y_usbpcm_urb_capt_retire(capsubs))) + if (state >= STATE_PREPARED) { + if (state == STATE_RUNNING) { + if ((err = usx2y_usbpcm_urb_capt_retire(capsubs))) return err; - } else if (state >= state_PRERUNNING) + } else if (state >= STATE_PRERUNNING) atomic_inc(&capsubs->state); - usX2Y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb); + usx2y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb); if (NULL != capsubs2) - usX2Y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb); - if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame))) + usx2y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb); + if ((err = usx2y_urb_submit(capsubs, capsubs->completed_urb, frame))) return err; if (NULL != capsubs2) - if ((err = usX2Y_urb_submit(capsubs2, capsubs2->completed_urb, frame))) + if ((err = usx2y_urb_submit(capsubs2, capsubs2->completed_urb, frame))) return err; } capsubs->completed_urb = NULL; @@ -215,42 +215,42 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap } -static void i_usX2Y_usbpcm_urb_complete(struct urb *urb) +static void i_usx2y_usbpcm_urb_complete(struct urb *urb) { - struct snd_usX2Y_substream *subs = urb->context; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *capsubs, *capsubs2, *playbacksubs; + struct snd_usx2y_substream *subs = urb->context; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *capsubs, *capsubs2, *playbacksubs; - if (unlikely(atomic_read(&subs->state) < state_PREPARED)) { + if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) { snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n", - usb_get_current_frame_number(usX2Y->dev), + usb_get_current_frame_number(usx2y->dev), subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", urb->status, urb->start_frame); return; } if (unlikely(urb->status)) { - usX2Y_error_urb_status(usX2Y, subs, urb); + usx2y_error_urb_status(usx2y, subs, urb); return; } subs->completed_urb = urb; - capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; - capsubs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; - playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - if (capsubs->completed_urb && atomic_read(&capsubs->state) >= state_PREPARED && + capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; + capsubs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (capsubs->completed_urb && atomic_read(&capsubs->state) >= STATE_PREPARED && (NULL == capsubs2 || capsubs2->completed_urb) && - (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < state_PREPARED)) { - if (!usX2Y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame)) - usX2Y->wait_iso_frame += nr_of_packs(); + (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < STATE_PREPARED)) { + if (!usx2y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame)) + usx2y->wait_iso_frame += nr_of_packs(); else { snd_printdd("\n"); - usX2Y_clients_stop(usX2Y); + usx2y_clients_stop(usx2y); } } } -static void usX2Y_hwdep_urb_release(struct urb **urb) +static void usx2y_hwdep_urb_release(struct urb **urb) { usb_kill_urb(*urb); usb_free_urb(*urb); @@ -260,49 +260,49 @@ static void usX2Y_hwdep_urb_release(struct urb **urb) /* * release a substream */ -static void usX2Y_usbpcm_urbs_release(struct snd_usX2Y_substream *subs) +static void usx2y_usbpcm_urbs_release(struct snd_usx2y_substream *subs) { int i; - snd_printdd("snd_usX2Y_urbs_release() %i\n", subs->endpoint); + snd_printdd("snd_usx2y_urbs_release() %i\n", subs->endpoint); for (i = 0; i < NRURBS; i++) - usX2Y_hwdep_urb_release(subs->urb + i); + usx2y_hwdep_urb_release(subs->urb + i); } -static void usX2Y_usbpcm_subs_startup_finish(struct usX2Ydev * usX2Y) +static void usx2y_usbpcm_subs_startup_finish(struct usx2ydev * usx2y) { - usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_urb_complete); - usX2Y->prepare_subs = NULL; + usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_urb_complete); + usx2y->prepare_subs = NULL; } -static void i_usX2Y_usbpcm_subs_startup(struct urb *urb) +static void i_usx2y_usbpcm_subs_startup(struct urb *urb) { - struct snd_usX2Y_substream *subs = urb->context; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *prepare_subs = usX2Y->prepare_subs; + struct snd_usx2y_substream *subs = urb->context; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *prepare_subs = usx2y->prepare_subs; if (NULL != prepare_subs && urb->start_frame == prepare_subs->urb[0]->start_frame) { atomic_inc(&prepare_subs->state); - if (prepare_subs == usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]) { - struct snd_usX2Y_substream *cap_subs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + if (prepare_subs == usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]) { + struct snd_usx2y_substream *cap_subs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; if (cap_subs2 != NULL) atomic_inc(&cap_subs2->state); } - usX2Y_usbpcm_subs_startup_finish(usX2Y); - wake_up(&usX2Y->prepare_wait_queue); + usx2y_usbpcm_subs_startup_finish(usx2y); + wake_up(&usx2y->prepare_wait_queue); } - i_usX2Y_usbpcm_urb_complete(urb); + i_usx2y_usbpcm_urb_complete(urb); } /* * initialize a substream's urbs */ -static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs) +static int usx2y_usbpcm_urbs_allocate(struct snd_usx2y_substream *subs) { int i; unsigned int pipe; - int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - struct usb_device *dev = subs->usX2Y->dev; + int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + struct usb_device *dev = subs->usx2y->dev; pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) : usb_rcvisocpipe(dev, subs->endpoint); @@ -319,21 +319,21 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs) } *purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL); if (NULL == *purb) { - usX2Y_usbpcm_urbs_release(subs); + usx2y_usbpcm_urbs_release(subs); return -ENOMEM; } (*purb)->transfer_buffer = is_playback ? - subs->usX2Y->hwdep_pcm_shm->playback : ( + subs->usx2y->hwdep_pcm_shm->playback : ( subs->endpoint == 0x8 ? - subs->usX2Y->hwdep_pcm_shm->capture0x8 : - subs->usX2Y->hwdep_pcm_shm->capture0xA); + subs->usx2y->hwdep_pcm_shm->capture0x8 : + subs->usx2y->hwdep_pcm_shm->capture0xA); (*purb)->dev = dev; (*purb)->pipe = pipe; (*purb)->number_of_packets = nr_of_packs(); (*purb)->context = subs; (*purb)->interval = 1; - (*purb)->complete = i_usX2Y_usbpcm_subs_startup; + (*purb)->complete = i_usx2y_usbpcm_subs_startup; } return 0; } @@ -341,91 +341,91 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs) /* * free the buffer */ -static int snd_usX2Y_usbpcm_hw_free(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_hw_free(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data, - *cap_subs2 = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; - mutex_lock(&subs->usX2Y->pcm_mutex); - snd_printdd("snd_usX2Y_usbpcm_hw_free(%p)\n", substream); + struct snd_usx2y_substream *subs = runtime->private_data, + *cap_subs2 = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + mutex_lock(&subs->usx2y->pcm_mutex); + snd_printdd("snd_usx2y_usbpcm_hw_free(%p)\n", substream); if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) { - struct snd_usX2Y_substream *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; - atomic_set(&subs->state, state_STOPPED); - usX2Y_usbpcm_urbs_release(subs); + struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; + atomic_set(&subs->state, STATE_STOPPED); + usx2y_usbpcm_urbs_release(subs); if (!cap_subs->pcm_substream || !cap_subs->pcm_substream->runtime || !cap_subs->pcm_substream->runtime->status || cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) { - atomic_set(&cap_subs->state, state_STOPPED); + atomic_set(&cap_subs->state, STATE_STOPPED); if (NULL != cap_subs2) - atomic_set(&cap_subs2->state, state_STOPPED); - usX2Y_usbpcm_urbs_release(cap_subs); + atomic_set(&cap_subs2->state, STATE_STOPPED); + usx2y_usbpcm_urbs_release(cap_subs); if (NULL != cap_subs2) - usX2Y_usbpcm_urbs_release(cap_subs2); + usx2y_usbpcm_urbs_release(cap_subs2); } } else { - struct snd_usX2Y_substream *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; - if (atomic_read(&playback_subs->state) < state_PREPARED) { - atomic_set(&subs->state, state_STOPPED); + struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (atomic_read(&playback_subs->state) < STATE_PREPARED) { + atomic_set(&subs->state, STATE_STOPPED); if (NULL != cap_subs2) - atomic_set(&cap_subs2->state, state_STOPPED); - usX2Y_usbpcm_urbs_release(subs); + atomic_set(&cap_subs2->state, STATE_STOPPED); + usx2y_usbpcm_urbs_release(subs); if (NULL != cap_subs2) - usX2Y_usbpcm_urbs_release(cap_subs2); + usx2y_usbpcm_urbs_release(cap_subs2); } } - mutex_unlock(&subs->usX2Y->pcm_mutex); + mutex_unlock(&subs->usx2y->pcm_mutex); return 0; } -static void usX2Y_usbpcm_subs_startup(struct snd_usX2Y_substream *subs) +static void usx2y_usbpcm_subs_startup(struct snd_usx2y_substream *subs) { - struct usX2Ydev * usX2Y = subs->usX2Y; - usX2Y->prepare_subs = subs; + struct usx2ydev * usx2y = subs->usx2y; + usx2y->prepare_subs = subs; subs->urb[0]->start_frame = -1; - smp_wmb(); // Make sure above modifications are seen by i_usX2Y_subs_startup() - usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_subs_startup); + smp_wmb(); // Make sure above modifications are seen by i_usx2y_subs_startup() + usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_subs_startup); } -static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs) +static int usx2y_usbpcm_urbs_start(struct snd_usx2y_substream *subs) { int p, u, err, stream = subs->pcm_substream->stream; - struct usX2Ydev *usX2Y = subs->usX2Y; + struct usx2ydev *usx2y = subs->usx2y; if (SNDRV_PCM_STREAM_CAPTURE == stream) { - usX2Y->hwdep_pcm_shm->captured_iso_head = -1; - usX2Y->hwdep_pcm_shm->captured_iso_frames = 0; + usx2y->hwdep_pcm_shm->captured_iso_head = -1; + usx2y->hwdep_pcm_shm->captured_iso_frames = 0; } for (p = 0; 3 >= (stream + p); p += 2) { - struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p]; + struct snd_usx2y_substream *subs = usx2y->subs[stream + p]; if (subs != NULL) { - if ((err = usX2Y_usbpcm_urbs_allocate(subs)) < 0) + if ((err = usx2y_usbpcm_urbs_allocate(subs)) < 0) return err; subs->completed_urb = NULL; } } for (p = 0; p < 4; p++) { - struct snd_usX2Y_substream *subs = usX2Y->subs[p]; - if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED) + struct snd_usx2y_substream *subs = usx2y->subs[p]; + if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED) goto start; } start: - usX2Y_usbpcm_subs_startup(subs); + usx2y_usbpcm_subs_startup(subs); for (u = 0; u < NRURBS; u++) { for (p = 0; 3 >= (stream + p); p += 2) { - struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p]; + struct snd_usx2y_substream *subs = usx2y->subs[stream + p]; if (subs != NULL) { struct urb *urb = subs->urb[u]; if (usb_pipein(urb->pipe)) { unsigned long pack; if (0 == u) - atomic_set(&subs->state, state_STARTING3); - urb->dev = usX2Y->dev; + atomic_set(&subs->state, STATE_STARTING3); + urb->dev = usx2y->dev; for (pack = 0; pack < nr_of_packs(); pack++) { urb->iso_frame_desc[pack].offset = subs->maxpacksize * (pack + u * nr_of_packs()); urb->iso_frame_desc[pack].length = subs->maxpacksize; @@ -438,25 +438,25 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs) } else { snd_printdd("%i\n", urb->start_frame); if (u == 0) - usX2Y->wait_iso_frame = urb->start_frame; + usx2y->wait_iso_frame = urb->start_frame; } urb->transfer_flags = 0; } else { - atomic_set(&subs->state, state_STARTING1); + atomic_set(&subs->state, STATE_STARTING1); break; } } } } err = 0; - wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs); - if (atomic_read(&subs->state) != state_PREPARED) + wait_event(usx2y->prepare_wait_queue, NULL == usx2y->prepare_subs); + if (atomic_read(&subs->state) != STATE_PREPARED) err = -EPIPE; cleanup: if (err) { - usX2Y_subs_startup_finish(usX2Y); // Call it now - usX2Y_clients_stop(usX2Y); // something is completely wroong > stop evrything + usx2y_subs_startup_finish(usx2y); // Call it now + usx2y_clients_stop(usx2y); // something is completely wroong > stop evrything } return err; } @@ -466,69 +466,69 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs) * * set format and initialize urbs */ -static int snd_usX2Y_usbpcm_prepare(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_prepare(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data; - struct usX2Ydev *usX2Y = subs->usX2Y; - struct snd_usX2Y_substream *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + struct snd_usx2y_substream *subs = runtime->private_data; + struct usx2ydev *usx2y = subs->usx2y; + struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]; int err = 0; - snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream); + snd_printdd("snd_usx2y_pcm_prepare(%p)\n", substream); - if (NULL == usX2Y->hwdep_pcm_shm) { - usX2Y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usX2Y_hwdep_pcm_shm), + if (NULL == usx2y->hwdep_pcm_shm) { + usx2y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usx2y_hwdep_pcm_shm), GFP_KERNEL); - if (!usX2Y->hwdep_pcm_shm) + if (!usx2y->hwdep_pcm_shm) return -ENOMEM; - memset(usX2Y->hwdep_pcm_shm, 0, sizeof(struct snd_usX2Y_hwdep_pcm_shm)); + memset(usx2y->hwdep_pcm_shm, 0, sizeof(struct snd_usx2y_hwdep_pcm_shm)); } - mutex_lock(&usX2Y->pcm_mutex); - usX2Y_subs_prepare(subs); + mutex_lock(&usx2y->pcm_mutex); + usx2y_subs_prepare(subs); // Start hardware streams // SyncStream first.... - if (atomic_read(&capsubs->state) < state_PREPARED) { - if (usX2Y->format != runtime->format) - if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0) + if (atomic_read(&capsubs->state) < STATE_PREPARED) { + if (usx2y->format != runtime->format) + if ((err = usx2y_format_set(usx2y, runtime->format)) < 0) goto up_prepare_mutex; - if (usX2Y->rate != runtime->rate) - if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0) + if (usx2y->rate != runtime->rate) + if ((err = usx2y_rate_set(usx2y, runtime->rate)) < 0) goto up_prepare_mutex; snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe"); - if (0 > (err = usX2Y_usbpcm_urbs_start(capsubs))) + if (0 > (err = usx2y_usbpcm_urbs_start(capsubs))) goto up_prepare_mutex; } if (subs != capsubs) { - usX2Y->hwdep_pcm_shm->playback_iso_start = -1; - if (atomic_read(&subs->state) < state_PREPARED) { - while (usX2Y_iso_frames_per_buffer(runtime, usX2Y) > - usX2Y->hwdep_pcm_shm->captured_iso_frames) { + usx2y->hwdep_pcm_shm->playback_iso_start = -1; + if (atomic_read(&subs->state) < STATE_PREPARED) { + while (usx2y_iso_frames_per_buffer(runtime, usx2y) > + usx2y->hwdep_pcm_shm->captured_iso_frames) { snd_printdd("Wait: iso_frames_per_buffer=%i," "captured_iso_frames=%i\n", - usX2Y_iso_frames_per_buffer(runtime, usX2Y), - usX2Y->hwdep_pcm_shm->captured_iso_frames); + usx2y_iso_frames_per_buffer(runtime, usx2y), + usx2y->hwdep_pcm_shm->captured_iso_frames); if (msleep_interruptible(10)) { err = -ERESTARTSYS; goto up_prepare_mutex; } } - if (0 > (err = usX2Y_usbpcm_urbs_start(subs))) + if (0 > (err = usx2y_usbpcm_urbs_start(subs))) goto up_prepare_mutex; } snd_printdd("Ready: iso_frames_per_buffer=%i,captured_iso_frames=%i\n", - usX2Y_iso_frames_per_buffer(runtime, usX2Y), - usX2Y->hwdep_pcm_shm->captured_iso_frames); + usx2y_iso_frames_per_buffer(runtime, usx2y), + usx2y->hwdep_pcm_shm->captured_iso_frames); } else - usX2Y->hwdep_pcm_shm->capture_iso_start = -1; + usx2y->hwdep_pcm_shm->capture_iso_start = -1; up_prepare_mutex: - mutex_unlock(&usX2Y->pcm_mutex); + mutex_unlock(&usx2y->pcm_mutex); return err; } -static const struct snd_pcm_hardware snd_usX2Y_4c = +static const struct snd_pcm_hardware snd_usx2y_4c = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -549,17 +549,17 @@ static const struct snd_pcm_hardware snd_usX2Y_4c = -static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_open(struct snd_pcm_substream *substream) { - struct snd_usX2Y_substream *subs = ((struct snd_usX2Y_substream **) + struct snd_usx2y_substream *subs = ((struct snd_usx2y_substream **) snd_pcm_substream_chip(substream))[substream->stream]; struct snd_pcm_runtime *runtime = substream->runtime; - if (!(subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)) + if (!(subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)) return -EBUSY; - runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usX2Y_2c : - (subs->usX2Y->subs[3] ? snd_usX2Y_4c : snd_usX2Y_2c); + runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usx2y_2c : + (subs->usx2y->subs[3] ? snd_usx2y_4c : snd_usx2y_2c); runtime->private_data = subs; subs->pcm_substream = substream; snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000); @@ -567,35 +567,35 @@ static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream) } -static int snd_usX2Y_usbpcm_close(struct snd_pcm_substream *substream) +static int snd_usx2y_usbpcm_close(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_usX2Y_substream *subs = runtime->private_data; + struct snd_usx2y_substream *subs = runtime->private_data; subs->pcm_substream = NULL; return 0; } -static const struct snd_pcm_ops snd_usX2Y_usbpcm_ops = +static const struct snd_pcm_ops snd_usx2y_usbpcm_ops = { - .open = snd_usX2Y_usbpcm_open, - .close = snd_usX2Y_usbpcm_close, - .hw_params = snd_usX2Y_pcm_hw_params, - .hw_free = snd_usX2Y_usbpcm_hw_free, - .prepare = snd_usX2Y_usbpcm_prepare, - .trigger = snd_usX2Y_pcm_trigger, - .pointer = snd_usX2Y_pcm_pointer, + .open = snd_usx2y_usbpcm_open, + .close = snd_usx2y_usbpcm_close, + .hw_params = snd_usx2y_pcm_hw_params, + .hw_free = snd_usx2y_usbpcm_hw_free, + .prepare = snd_usx2y_usbpcm_prepare, + .trigger = snd_usx2y_pcm_trigger, + .pointer = snd_usx2y_pcm_pointer, }; -static int usX2Y_pcms_busy_check(struct snd_card *card) +static int usx2y_pcms_busy_check(struct snd_card *card) { - struct usX2Ydev *dev = usX2Y(card); + struct usx2ydev *dev = usx2y(card); int i; for (i = 0; i < dev->pcm_devs * 2; i++) { - struct snd_usX2Y_substream *subs = dev->subs[i]; + struct snd_usx2y_substream *subs = dev->subs[i]; if (subs && subs->pcm_substream && SUBSTREAM_BUSY(subs->pcm_substream)) return -EBUSY; @@ -603,102 +603,102 @@ static int usX2Y_pcms_busy_check(struct snd_card *card) return 0; } -static int snd_usX2Y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file) +static int snd_usx2y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file) { struct snd_card *card = hw->card; int err; - mutex_lock(&usX2Y(card)->pcm_mutex); - err = usX2Y_pcms_busy_check(card); + mutex_lock(&usx2y(card)->pcm_mutex); + err = usx2y_pcms_busy_check(card); if (!err) - usX2Y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS; - mutex_unlock(&usX2Y(card)->pcm_mutex); + usx2y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS; + mutex_unlock(&usx2y(card)->pcm_mutex); return err; } -static int snd_usX2Y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file) +static int snd_usx2y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file) { struct snd_card *card = hw->card; int err; - mutex_lock(&usX2Y(card)->pcm_mutex); - err = usX2Y_pcms_busy_check(card); + mutex_lock(&usx2y(card)->pcm_mutex); + err = usx2y_pcms_busy_check(card); if (!err) - usX2Y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS; - mutex_unlock(&usX2Y(card)->pcm_mutex); + usx2y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS; + mutex_unlock(&usx2y(card)->pcm_mutex); return err; } -static void snd_usX2Y_hwdep_pcm_vm_open(struct vm_area_struct *area) +static void snd_usx2y_hwdep_pcm_vm_open(struct vm_area_struct *area) { } -static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area) +static void snd_usx2y_hwdep_pcm_vm_close(struct vm_area_struct *area) { } -static vm_fault_t snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf) +static vm_fault_t snd_usx2y_hwdep_pcm_vm_fault(struct vm_fault *vmf) { unsigned long offset; void *vaddr; offset = vmf->pgoff << PAGE_SHIFT; - vaddr = (char *)((struct usX2Ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset; + vaddr = (char *)((struct usx2ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset; vmf->page = virt_to_page(vaddr); get_page(vmf->page); return 0; } -static const struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = { - .open = snd_usX2Y_hwdep_pcm_vm_open, - .close = snd_usX2Y_hwdep_pcm_vm_close, - .fault = snd_usX2Y_hwdep_pcm_vm_fault, +static const struct vm_operations_struct snd_usx2y_hwdep_pcm_vm_ops = { + .open = snd_usx2y_hwdep_pcm_vm_open, + .close = snd_usx2y_hwdep_pcm_vm_close, + .fault = snd_usx2y_hwdep_pcm_vm_fault, }; -static int snd_usX2Y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area) +static int snd_usx2y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area) { unsigned long size = (unsigned long)(area->vm_end - area->vm_start); - struct usX2Ydev *usX2Y = hw->private_data; + struct usx2ydev *usx2y = hw->private_data; - if (!(usX2Y->chip_status & USX2Y_STAT_CHIP_INIT)) + if (!(usx2y->chip_status & USX2Y_STAT_CHIP_INIT)) return -EBUSY; /* if userspace tries to mmap beyond end of our buffer, fail */ - if (size > PAGE_ALIGN(sizeof(struct snd_usX2Y_hwdep_pcm_shm))) { - snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usX2Y_hwdep_pcm_shm)); + if (size > PAGE_ALIGN(sizeof(struct snd_usx2y_hwdep_pcm_shm))) { + snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usx2y_hwdep_pcm_shm)); return -EINVAL; } - if (!usX2Y->hwdep_pcm_shm) { + if (!usx2y->hwdep_pcm_shm) { return -ENODEV; } - area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops; + area->vm_ops = &snd_usx2y_hwdep_pcm_vm_ops; area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; area->vm_private_data = hw->private_data; return 0; } -static void snd_usX2Y_hwdep_pcm_private_free(struct snd_hwdep *hwdep) +static void snd_usx2y_hwdep_pcm_private_free(struct snd_hwdep *hwdep) { - struct usX2Ydev *usX2Y = hwdep->private_data; - if (NULL != usX2Y->hwdep_pcm_shm) - free_pages_exact(usX2Y->hwdep_pcm_shm, sizeof(struct snd_usX2Y_hwdep_pcm_shm)); + struct usx2ydev *usx2y = hwdep->private_data; + if (NULL != usx2y->hwdep_pcm_shm) + free_pages_exact(usx2y->hwdep_pcm_shm, sizeof(struct snd_usx2y_hwdep_pcm_shm)); } -int usX2Y_hwdep_pcm_new(struct snd_card *card) +int usx2y_hwdep_pcm_new(struct snd_card *card) { int err; struct snd_hwdep *hw; struct snd_pcm *pcm; - struct usb_device *dev = usX2Y(card)->dev; + struct usb_device *dev = usx2y(card)->dev; if (1 != nr_of_packs()) return 0; @@ -706,11 +706,11 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card) return err; hw->iface = SNDRV_HWDEP_IFACE_USX2Y_PCM; - hw->private_data = usX2Y(card); - hw->private_free = snd_usX2Y_hwdep_pcm_private_free; - hw->ops.open = snd_usX2Y_hwdep_pcm_open; - hw->ops.release = snd_usX2Y_hwdep_pcm_release; - hw->ops.mmap = snd_usX2Y_hwdep_pcm_mmap; + hw->private_data = usx2y(card); + hw->private_free = snd_usx2y_hwdep_pcm_private_free; + hw->ops.open = snd_usx2y_hwdep_pcm_open; + hw->ops.release = snd_usx2y_hwdep_pcm_release; + hw->ops.mmap = snd_usx2y_hwdep_pcm_mmap; hw->exclusive = 1; sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum); @@ -718,10 +718,10 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card) if (err < 0) { return err; } - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_usbpcm_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_usbpcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usx2y_usbpcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usx2y_usbpcm_ops); - pcm->private_data = usX2Y(card)->subs; + pcm->private_data = usx2y(card)->subs; pcm->info_flags = 0; sprintf(pcm->name, NAME_ALLCAPS" hwdep Audio"); @@ -739,7 +739,7 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card) #else -int usX2Y_hwdep_pcm_new(struct snd_card *card) +int usx2y_hwdep_pcm_new(struct snd_card *card) { return 0; } |