66 	struct go7007_snd *gosnd = go->snd_context;  in parse_audio_stream_data()  local
67 	struct snd_pcm_runtime *runtime = gosnd->substream->runtime;  in parse_audio_stream_data()
71 	spin_lock_irqsave(&gosnd->lock, flags);  in parse_audio_stream_data()
72 	gosnd->hw_ptr += frames;  in parse_audio_stream_data()
73 	if (gosnd->hw_ptr >= runtime->buffer_size)  in parse_audio_stream_data()
74 		gosnd->hw_ptr -= runtime->buffer_size;  in parse_audio_stream_data()
75 	gosnd->avail += frames;  in parse_audio_stream_data()
76 	spin_unlock_irqrestore(&gosnd->lock, flags);  in parse_audio_stream_data()
77 	if (gosnd->w_idx + length > runtime->dma_bytes) {  in parse_audio_stream_data()
78 		int cpy = runtime->dma_bytes - gosnd->w_idx;  in parse_audio_stream_data()
80 		memcpy(runtime->dma_area + gosnd->w_idx, buf, cpy);  in parse_audio_stream_data()
83 		gosnd->w_idx = 0;  in parse_audio_stream_data()
85 	memcpy(runtime->dma_area + gosnd->w_idx, buf, length);  in parse_audio_stream_data()
86 	gosnd->w_idx += length;  in parse_audio_stream_data()
87 	spin_lock_irqsave(&gosnd->lock, flags);  in parse_audio_stream_data()
88 	if (gosnd->avail < runtime->period_size) {  in parse_audio_stream_data()
89 		spin_unlock_irqrestore(&gosnd->lock, flags);  in parse_audio_stream_data()
92 	gosnd->avail -= runtime->period_size;  in parse_audio_stream_data()
93 	spin_unlock_irqrestore(&gosnd->lock, flags);  in parse_audio_stream_data()
94 	if (gosnd->capturing)  in parse_audio_stream_data()
95 		snd_pcm_period_elapsed(gosnd->substream);  in parse_audio_stream_data()
118 	struct go7007_snd *gosnd = go->snd_context;  in go7007_snd_capture_open()  local
122 	spin_lock_irqsave(&gosnd->lock, flags);  in go7007_snd_capture_open()
123 	if (gosnd->substream == NULL) {  in go7007_snd_capture_open()
124 		gosnd->substream = substream;  in go7007_snd_capture_open()
129 	spin_unlock_irqrestore(&gosnd->lock, flags);  in go7007_snd_capture_open()
136 	struct go7007_snd *gosnd = go->snd_context;  in go7007_snd_capture_close()  local
138 	gosnd->substream = NULL;  in go7007_snd_capture_close()
150 	struct go7007_snd *gosnd = go->snd_context;  in go7007_snd_pcm_trigger()  local
156 		gosnd->capturing = 1;  in go7007_snd_pcm_trigger()
159 		gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0;  in go7007_snd_pcm_trigger()
160 		gosnd->capturing = 0;  in go7007_snd_pcm_trigger()
170 	struct go7007_snd *gosnd = go->snd_context;  in go7007_snd_pcm_pointer()  local
172 	return gosnd->hw_ptr;  in go7007_snd_pcm_pointer()
201 	struct go7007_snd *gosnd;  in go7007_snd_init()  local
210 	gosnd = kmalloc(sizeof(struct go7007_snd), GFP_KERNEL);  in go7007_snd_init()
211 	if (gosnd == NULL)  in go7007_snd_init()
213 	spin_lock_init(&gosnd->lock);  in go7007_snd_init()
214 	gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0;  in go7007_snd_init()
215 	gosnd->capturing = 0;  in go7007_snd_init()
217 			   &gosnd->card);  in go7007_snd_init()
221 	ret = snd_device_new(gosnd->card, SNDRV_DEV_LOWLEVEL, go,  in go7007_snd_init()
226 	ret = snd_pcm_new(gosnd->card, "go7007", 0, 0, 1, &gosnd->pcm);  in go7007_snd_init()
230 	strscpy(gosnd->card->driver, "go7007", sizeof(gosnd->card->driver));  in go7007_snd_init()
231 	strscpy(gosnd->card->shortname, go->name, sizeof(gosnd->card->shortname));  in go7007_snd_init()
232 	strscpy(gosnd->card->longname, gosnd->card->shortname,  in go7007_snd_init()
233 		sizeof(gosnd->card->longname));  in go7007_snd_init()
235 	gosnd->pcm->private_data = go;  in go7007_snd_init()
236 	snd_pcm_set_ops(gosnd->pcm, SNDRV_PCM_STREAM_CAPTURE,  in go7007_snd_init()
238 	snd_pcm_set_managed_buffer_all(gosnd->pcm, SNDRV_DMA_TYPE_VMALLOC,  in go7007_snd_init()
241 	ret = snd_card_register(gosnd->card);  in go7007_snd_init()
245 	gosnd->substream = NULL;  in go7007_snd_init()
246 	go->snd_context = gosnd;  in go7007_snd_init()
253 	snd_card_free(gosnd->card);  in go7007_snd_init()
255 	kfree(gosnd);  in go7007_snd_init()
262 	struct go7007_snd *gosnd = go->snd_context;  in go7007_snd_remove()  local
264 	snd_card_disconnect(gosnd->card);  in go7007_snd_remove()
265 	snd_card_free_when_closed(gosnd->card);  in go7007_snd_remove()