63 static int bf5xx_pcm_hw_params(struct snd_pcm_substream *substream,  in bf5xx_pcm_hw_params()  argument
66 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in bf5xx_pcm_hw_params()
70 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in bf5xx_pcm_hw_params()
75 	return snd_pcm_lib_malloc_pages(substream, buffer_size);  in bf5xx_pcm_hw_params()
78 static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)  in bf5xx_pcm_hw_free()  argument
80 	snd_pcm_lib_free_pages(substream);  in bf5xx_pcm_hw_free()
85 static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream)  in bf5xx_pcm_prepare()  argument
87 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in bf5xx_pcm_prepare()
88 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_prepare()
93 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in bf5xx_pcm_prepare()
99 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in bf5xx_pcm_prepare()
100 		sport_set_tx_callback(sport, bf5xx_dma_irq, substream);  in bf5xx_pcm_prepare()
104 		sport_set_rx_callback(sport, bf5xx_dma_irq, substream);  in bf5xx_pcm_prepare()
112 static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in bf5xx_pcm_trigger()  argument
114 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_trigger()
121 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in bf5xx_pcm_trigger()
129 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in bf5xx_pcm_trigger()
141 static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)  in bf5xx_pcm_pointer()  argument
143 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in bf5xx_pcm_pointer()
144 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_pointer()
150 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in bf5xx_pcm_pointer()
153 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in bf5xx_pcm_pointer()
164 	if (diff == snd_pcm_lib_buffer_bytes(substream))  in bf5xx_pcm_pointer()
167 	frames = bytes_to_frames(substream->runtime, diff);  in bf5xx_pcm_pointer()
174 static int bf5xx_pcm_open(struct snd_pcm_substream *substream)  in bf5xx_pcm_open()  argument
176 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in bf5xx_pcm_open()
179 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_open()
180 	struct snd_dma_buffer *buf = &substream->dma_buffer;  in bf5xx_pcm_open()
184 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in bf5xx_pcm_open()
188 	snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);  in bf5xx_pcm_open()
200 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in bf5xx_pcm_open()
216 static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,  in bf5xx_pcm_mmap()  argument
219 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_mmap()
228 static int bf5xx_pcm_copy(struct snd_pcm_substream *substream,  in bf5xx_pcm_copy()  argument
232 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in bf5xx_pcm_copy()
233 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_copy()
239 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in bf5xx_pcm_copy()
244 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in bf5xx_pcm_copy()
272 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in bf5xx_pcm_copy()
288 static int bf5xx_pcm_copy_user(struct snd_pcm_substream *substream,  in bf5xx_pcm_copy_user()  argument
292 	return bf5xx_pcm_copy(substream, channel, pos, (void *)buf, count);  in bf5xx_pcm_copy_user()
295 static int bf5xx_pcm_silence(struct snd_pcm_substream *substream,  in bf5xx_pcm_silence()  argument
299 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in bf5xx_pcm_silence()
300 	struct snd_pcm_runtime *runtime = substream->runtime;  in bf5xx_pcm_silence()
306 	dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in bf5xx_pcm_silence()