56 static void s6000_pcm_enqueue_dma(struct snd_pcm_substream *substream)  in s6000_pcm_enqueue_dma()  argument
58 	struct snd_pcm_runtime *runtime = substream->runtime;  in s6000_pcm_enqueue_dma()
60 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_enqueue_dma()
68 	par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_enqueue_dma()
70 	period_size = snd_pcm_lib_period_bytes(substream);  in s6000_pcm_enqueue_dma()
74 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in s6000_pcm_enqueue_dma()
111 		struct snd_pcm_substream *substream = pcm->streams[i].substream;  in s6000_pcm_irq()  local
113 					snd_soc_dai_get_dma_data(runtime->cpu_dai, substream);  in s6000_pcm_irq()
117 		if (substream == SNDRV_PCM_STREAM_PLAYBACK)  in s6000_pcm_irq()
128 		    substream->runtime &&  in s6000_pcm_irq()
129 		    snd_pcm_running(substream)) {  in s6000_pcm_irq()
131 			snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);  in s6000_pcm_irq()
140 			if (likely(substream->runtime &&  in s6000_pcm_irq()
141 				   snd_pcm_running(substream))) {  in s6000_pcm_irq()
142 				snd_pcm_period_elapsed(substream);  in s6000_pcm_irq()
148 				prtd = substream->runtime->private_data;  in s6000_pcm_irq()
150 				s6000_pcm_enqueue_dma(substream);  in s6000_pcm_irq()
176 static int s6000_pcm_start(struct snd_pcm_substream *substream)  in s6000_pcm_start()  argument
178 	struct s6000_runtime_data *prtd = substream->runtime->private_data;  in s6000_pcm_start()
179 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_start()
185 	par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_start()
189 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in s6000_pcm_start()
210 	s6000_pcm_enqueue_dma(substream);  in s6000_pcm_start()
211 	s6000_pcm_enqueue_dma(substream);  in s6000_pcm_start()
218 static int s6000_pcm_stop(struct snd_pcm_substream *substream)  in s6000_pcm_stop()  argument
220 	struct s6000_runtime_data *prtd = substream->runtime->private_data;  in s6000_pcm_stop()
221 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_stop()
226 	par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_stop()
228 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in s6000_pcm_stop()
245 static int s6000_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in s6000_pcm_trigger()  argument
247 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_trigger()
251 	par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_trigger()
253 	ret = par->trigger(substream, cmd, 0);  in s6000_pcm_trigger()
261 		ret = s6000_pcm_start(substream);  in s6000_pcm_trigger()
266 		ret = s6000_pcm_stop(substream);  in s6000_pcm_trigger()
274 	return par->trigger(substream, cmd, 1);  in s6000_pcm_trigger()
277 static int s6000_pcm_prepare(struct snd_pcm_substream *substream)  in s6000_pcm_prepare()  argument
279 	struct s6000_runtime_data *prtd = substream->runtime->private_data;  in s6000_pcm_prepare()
286 static snd_pcm_uframes_t s6000_pcm_pointer(struct snd_pcm_substream *substream)  in s6000_pcm_pointer()  argument
288 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_pointer()
290 	struct snd_pcm_runtime *runtime = substream->runtime;  in s6000_pcm_pointer()
296 	par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_pointer()
300 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in s6000_pcm_pointer()
318 static int s6000_pcm_open(struct snd_pcm_substream *substream)  in s6000_pcm_open()  argument
320 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_open()
322 	struct snd_pcm_runtime *runtime = substream->runtime;  in s6000_pcm_open()
326 	par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_open()
327 	snd_soc_set_runtime_hwparams(substream, &s6000_pcm_hardware);  in s6000_pcm_open()
367 static int s6000_pcm_close(struct snd_pcm_substream *substream)  in s6000_pcm_close()  argument
369 	struct snd_pcm_runtime *runtime = substream->runtime;  in s6000_pcm_close()
377 static int s6000_pcm_hw_params(struct snd_pcm_substream *substream,  in s6000_pcm_hw_params()  argument
380 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_hw_params()
383 	ret = snd_pcm_lib_malloc_pages(substream,  in s6000_pcm_hw_params()
390 	par = snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_hw_params()
395 		    !(par->in_use & ~(1 << substream->stream))) {  in s6000_pcm_hw_params()
397 			par->in_use |= 1 << substream->stream;  in s6000_pcm_hw_params()
399 			snd_pcm_lib_free_pages(substream);  in s6000_pcm_hw_params()
400 			par->in_use &= ~(1 << substream->stream);  in s6000_pcm_hw_params()
408 static int s6000_pcm_hw_free(struct snd_pcm_substream *substream)  in s6000_pcm_hw_free()  argument
410 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;  in s6000_pcm_hw_free()
412 		snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream);  in s6000_pcm_hw_free()
415 	par->in_use &= ~(1 << substream->stream);  in s6000_pcm_hw_free()
420 	return snd_pcm_lib_free_pages(substream);  in s6000_pcm_hw_free()
439 			pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);  in s6000_pcm_free()
455 			pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);  in s6000_pcm_new()