130 static void sst_fill_alloc_params(struct snd_pcm_substream *substream,  in sst_fill_alloc_params()  argument
136 	ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream);  in sst_fill_alloc_params()
137 	u32 buffer_addr = virt_to_phys(substream->dma_buffer.area);  in sst_fill_alloc_params()
139 	channels = substream->runtime->channels;  in sst_fill_alloc_params()
140 	period_size = substream->runtime->period_size;  in sst_fill_alloc_params()
141 	periodbytes = samples_to_bytes(substream->runtime, period_size);  in sst_fill_alloc_params()
149 static void sst_fill_pcm_params(struct snd_pcm_substream *substream,  in sst_fill_pcm_params()  argument
152 	param->uc.pcm_params.num_chan = (u8) substream->runtime->channels;  in sst_fill_pcm_params()
153 	param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits;  in sst_fill_pcm_params()
154 	param->uc.pcm_params.sfreq = substream->runtime->rate;  in sst_fill_pcm_params()
180 int sst_fill_stream_params(void *substream,  in sst_fill_stream_params()  argument
193 		cstream = (struct snd_compr_stream *)substream;  in sst_fill_stream_params()
195 		pstream = (struct snd_pcm_substream *)substream;  in sst_fill_stream_params()
229 static int sst_platform_alloc_stream(struct snd_pcm_substream *substream,  in sst_platform_alloc_stream()  argument
233 			substream->runtime->private_data;  in sst_platform_alloc_stream()
241 	sst_fill_pcm_params(substream, &param);  in sst_platform_alloc_stream()
242 	sst_fill_alloc_params(substream, &alloc_params);  in sst_platform_alloc_stream()
243 	substream->runtime->dma_area = substream->dma_buffer.area;  in sst_platform_alloc_stream()
249 	ret_val = sst_fill_stream_params(substream, ctx, &str_params, false);  in sst_platform_alloc_stream()
265 	struct snd_pcm_substream *substream = arg;  in sst_period_elapsed()  local
269 	if (!substream || !substream->runtime)  in sst_period_elapsed()
271 	stream = substream->runtime->private_data;  in sst_period_elapsed()
277 	snd_pcm_period_elapsed(substream);  in sst_period_elapsed()
280 static int sst_platform_init_stream(struct snd_pcm_substream *substream)  in sst_platform_init_stream()  argument
283 			substream->runtime->private_data;  in sst_platform_init_stream()
284 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in sst_platform_init_stream()
290 	stream->stream_info.arg = substream;  in sst_platform_init_stream()
292 	stream->stream_info.sfreq = substream->runtime->rate;  in sst_platform_init_stream()
310 static int sst_media_open(struct snd_pcm_substream *substream,  in sst_media_open()  argument
314 	struct snd_pcm_runtime *runtime = substream->runtime;  in sst_media_open()
335 	stream->stream_info.arg = substream;  in sst_media_open()
344 	snd_pcm_hw_constraint_step(substream->runtime, 0,  in sst_media_open()
355 static void sst_media_close(struct snd_pcm_substream *substream,  in sst_media_close()  argument
361 	stream = substream->runtime->private_data;  in sst_media_close()
371 static int sst_media_prepare(struct snd_pcm_substream *substream,  in sst_media_prepare()  argument
377 	stream = substream->runtime->private_data;  in sst_media_prepare()
384 	ret_val = sst_platform_alloc_stream(substream, dai);  in sst_media_prepare()
387 	snprintf(substream->pcm->id, sizeof(substream->pcm->id),  in sst_media_prepare()
390 	ret_val = sst_platform_init_stream(substream);  in sst_media_prepare()
393 	substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER;  in sst_media_prepare()
397 static int sst_media_hw_params(struct snd_pcm_substream *substream,  in sst_media_hw_params()  argument
401 	snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));  in sst_media_hw_params()
402 	memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));  in sst_media_hw_params()
406 static int sst_media_hw_free(struct snd_pcm_substream *substream,  in sst_media_hw_free()  argument
409 	return snd_pcm_lib_free_pages(substream);  in sst_media_hw_free()
412 static int sst_enable_ssp(struct snd_pcm_substream *substream,  in sst_enable_ssp()  argument
424 static int sst_be_hw_params(struct snd_pcm_substream *substream,  in sst_be_hw_params()  argument
464 static void sst_disable_ssp(struct snd_pcm_substream *substream,  in sst_disable_ssp()  argument
582 static int sst_platform_open(struct snd_pcm_substream *substream)  in sst_platform_open()  argument
586 	if (substream->pcm->internal)  in sst_platform_open()
589 	runtime = substream->runtime;  in sst_platform_open()
594 static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream,  in sst_platform_pcm_trigger()  argument
600 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in sst_platform_pcm_trigger()
603 	if (substream->pcm->internal)  in sst_platform_pcm_trigger()
605 	stream = substream->runtime->private_data;  in sst_platform_pcm_trigger()
611 		stream->stream_info.arg = substream;  in sst_platform_pcm_trigger()
643 			(struct snd_pcm_substream *substream)  in sst_platform_pcm_pointer()  argument
648 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in sst_platform_pcm_pointer()
650 	stream = substream->runtime->private_data;  in sst_platform_pcm_pointer()
660 	substream->runtime->delay = str_info->pcm_delay;  in sst_platform_pcm_pointer()