Lines Matching refs:pcm
33 static int snd_pcm_free(struct snd_pcm *pcm);
40 struct snd_pcm *pcm; in snd_pcm_get() local
42 list_for_each_entry(pcm, &snd_pcm_devices, list) { in snd_pcm_get()
43 if (pcm->card == card && pcm->device == device) in snd_pcm_get()
44 return pcm; in snd_pcm_get()
51 struct snd_pcm *pcm; in snd_pcm_next() local
53 list_for_each_entry(pcm, &snd_pcm_devices, list) { in snd_pcm_next()
54 if (pcm->card == card && pcm->device > device) in snd_pcm_next()
55 return pcm->device; in snd_pcm_next()
56 else if (pcm->card->number > card->number) in snd_pcm_next()
64 struct snd_pcm *pcm; in snd_pcm_add() local
69 list_for_each_entry(pcm, &snd_pcm_devices, list) { in snd_pcm_add()
70 if (pcm->card == newpcm->card && pcm->device == newpcm->device) in snd_pcm_add()
72 if (pcm->card->number > newpcm->card->number || in snd_pcm_add()
73 (pcm->card == newpcm->card && in snd_pcm_add()
74 pcm->device > newpcm->device)) { in snd_pcm_add()
75 list_add(&newpcm->list, pcm->list.prev); in snd_pcm_add()
106 struct snd_pcm *pcm; in snd_pcm_control_ioctl() local
122 pcm = snd_pcm_get(card, device); in snd_pcm_control_ioctl()
123 if (pcm == NULL) { in snd_pcm_control_ioctl()
127 pstr = &pcm->streams[stream]; in snd_pcm_control_ioctl()
144 mutex_lock(&pcm->open_mutex); in snd_pcm_control_ioctl()
146 mutex_unlock(&pcm->open_mutex); in snd_pcm_control_ioctl()
385 mutex_lock(&substream->pcm->open_mutex); in snd_pcm_substream_proc_hw_params_read()
413 mutex_unlock(&substream->pcm->open_mutex); in snd_pcm_substream_proc_hw_params_read()
422 mutex_lock(&substream->pcm->open_mutex); in snd_pcm_substream_proc_sw_params_read()
441 mutex_unlock(&substream->pcm->open_mutex); in snd_pcm_substream_proc_sw_params_read()
452 mutex_lock(&substream->pcm->open_mutex); in snd_pcm_substream_proc_status_read()
477 mutex_unlock(&substream->pcm->open_mutex); in snd_pcm_substream_proc_status_read()
508 struct snd_pcm *pcm = pstr->pcm; in snd_pcm_stream_proc_init() local
512 sprintf(name, "pcm%i%c", pcm->device, in snd_pcm_stream_proc_init()
514 entry = snd_info_create_card_entry(pcm->card, name, in snd_pcm_stream_proc_init()
515 pcm->card->proc_root); in snd_pcm_stream_proc_init()
520 entry = snd_info_create_card_entry(pcm->card, "info", pstr->proc_root); in snd_pcm_stream_proc_init()
524 entry = snd_info_create_card_entry(pcm->card, "xrun_debug", in snd_pcm_stream_proc_init()
550 entry = snd_info_create_card_entry(substream->pcm->card, name, in create_substream_info_entry()
563 card = substream->pcm->card; in snd_pcm_substream_proc_init()
610 if (!pstr->pcm->no_device_suspend) in do_pcm_suspend()
611 snd_pcm_suspend_all(pstr->pcm); in do_pcm_suspend()
639 int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count) in snd_pcm_new_stream() argument
642 struct snd_pcm_str *pstr = &pcm->streams[stream]; in snd_pcm_new_stream()
649 pstr->pcm = pcm; in snd_pcm_new_stream()
654 err = snd_device_alloc(&pstr->dev, pcm->card); in snd_pcm_new_stream()
657 dev_set_name(pstr->dev, "pcmC%iD%i%c", pcm->card->number, pcm->device, in snd_pcm_new_stream()
663 if (!pcm->internal) { in snd_pcm_new_stream()
666 pcm_err(pcm, "Error in snd_pcm_stream_proc_init\n"); in snd_pcm_new_stream()
675 substream->pcm = pcm; in snd_pcm_new_stream()
686 if (!pcm->internal) { in snd_pcm_new_stream()
689 pcm_err(pcm, in snd_pcm_new_stream()
713 struct snd_pcm *pcm; in _snd_pcm_new() local
728 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); in _snd_pcm_new()
729 if (!pcm) in _snd_pcm_new()
731 pcm->card = card; in _snd_pcm_new()
732 pcm->device = device; in _snd_pcm_new()
733 pcm->internal = internal; in _snd_pcm_new()
734 mutex_init(&pcm->open_mutex); in _snd_pcm_new()
735 init_waitqueue_head(&pcm->open_wait); in _snd_pcm_new()
736 INIT_LIST_HEAD(&pcm->list); in _snd_pcm_new()
738 strscpy(pcm->id, id, sizeof(pcm->id)); in _snd_pcm_new()
740 err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_PLAYBACK, in _snd_pcm_new()
745 err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_CAPTURE, capture_count); in _snd_pcm_new()
749 err = snd_device_new(card, SNDRV_DEV_PCM, pcm, in _snd_pcm_new()
755 *rpcm = pcm; in _snd_pcm_new()
759 snd_pcm_free(pcm); in _snd_pcm_new()
819 struct snd_card *card = pstr->pcm->card; in free_chmap()
856 #define pcm_call_notify(pcm, call) \ argument
860 _notify->call(pcm); \
863 #define pcm_call_notify(pcm, call) do {} while (0) argument
866 static int snd_pcm_free(struct snd_pcm *pcm) in snd_pcm_free() argument
868 if (!pcm) in snd_pcm_free()
870 if (!pcm->internal) in snd_pcm_free()
871 pcm_call_notify(pcm, n_unregister); in snd_pcm_free()
872 if (pcm->private_free) in snd_pcm_free()
873 pcm->private_free(pcm); in snd_pcm_free()
874 snd_pcm_lib_preallocate_free_for_all(pcm); in snd_pcm_free()
875 snd_pcm_free_stream(&pcm->streams[SNDRV_PCM_STREAM_PLAYBACK]); in snd_pcm_free()
876 snd_pcm_free_stream(&pcm->streams[SNDRV_PCM_STREAM_CAPTURE]); in snd_pcm_free()
877 kfree(pcm); in snd_pcm_free()
883 struct snd_pcm *pcm = device->device_data; in snd_pcm_dev_free() local
884 return snd_pcm_free(pcm); in snd_pcm_dev_free()
887 int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, in snd_pcm_attach_substream() argument
898 if (snd_BUG_ON(!pcm || !rsubstream)) in snd_pcm_attach_substream()
904 pstr = &pcm->streams[stream]; in snd_pcm_attach_substream()
908 card = pcm->card; in snd_pcm_attach_substream()
911 if (pcm->info_flags & SNDRV_PCM_INFO_HALF_DUPLEX) { in snd_pcm_attach_substream()
914 for (substream = pcm->streams[opposite].substream; substream; in snd_pcm_attach_substream()
980 substream->private_data = pcm->private_data; in snd_pcm_attach_substream()
1023 struct snd_pcm *pcm = pstr->pcm; in pcm_class_show() local
1032 if (pcm->dev_class > SNDRV_PCM_CLASS_LAST) in pcm_class_show()
1035 str = strs[pcm->dev_class]; in pcm_class_show()
1058 struct snd_pcm *pcm; in snd_pcm_dev_register() local
1062 pcm = device->device_data; in snd_pcm_dev_register()
1065 err = snd_pcm_add(pcm); in snd_pcm_dev_register()
1070 if (pcm->streams[cidx].substream == NULL) in snd_pcm_dev_register()
1081 err = snd_register_device(devtype, pcm->card, pcm->device, in snd_pcm_dev_register()
1082 &snd_pcm_f_ops[cidx], pcm, in snd_pcm_dev_register()
1083 pcm->streams[cidx].dev); in snd_pcm_dev_register()
1085 list_del_init(&pcm->list); in snd_pcm_dev_register()
1089 for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) in snd_pcm_dev_register()
1093 pcm_call_notify(pcm, n_register); in snd_pcm_dev_register()
1102 struct snd_pcm *pcm = device->device_data; in snd_pcm_dev_disconnect() local
1107 mutex_lock(&pcm->open_mutex); in snd_pcm_dev_disconnect()
1108 wake_up(&pcm->open_wait); in snd_pcm_dev_disconnect()
1109 list_del_init(&pcm->list); in snd_pcm_dev_disconnect()
1111 for_each_pcm_substream(pcm, cidx, substream) { in snd_pcm_dev_disconnect()
1125 for_each_pcm_substream(pcm, cidx, substream) in snd_pcm_dev_disconnect()
1128 pcm_call_notify(pcm, n_disconnect); in snd_pcm_dev_disconnect()
1130 if (pcm->streams[cidx].dev) in snd_pcm_dev_disconnect()
1131 snd_unregister_device(pcm->streams[cidx].dev); in snd_pcm_dev_disconnect()
1132 free_chmap(&pcm->streams[cidx]); in snd_pcm_dev_disconnect()
1134 mutex_unlock(&pcm->open_mutex); in snd_pcm_dev_disconnect()
1153 struct snd_pcm *pcm; in snd_pcm_notify() local
1163 list_for_each_entry(pcm, &snd_pcm_devices, list) in snd_pcm_notify()
1164 notify->n_unregister(pcm); in snd_pcm_notify()
1167 list_for_each_entry(pcm, &snd_pcm_devices, list) in snd_pcm_notify()
1168 notify->n_register(pcm); in snd_pcm_notify()
1184 struct snd_pcm *pcm; in snd_pcm_proc_read() local
1187 list_for_each_entry(pcm, &snd_pcm_devices, list) { in snd_pcm_proc_read()
1189 pcm->card->number, pcm->device, pcm->id, pcm->name); in snd_pcm_proc_read()
1190 if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) in snd_pcm_proc_read()
1192 pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream_count); in snd_pcm_proc_read()
1193 if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) in snd_pcm_proc_read()
1195 pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream_count); in snd_pcm_proc_read()