131 static void sst_fill_alloc_params(struct snd_pcm_substream *substream,  in sst_fill_alloc_params()  argument
137 	ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream);  in sst_fill_alloc_params()
138 	u32 buffer_addr = virt_to_phys(substream->dma_buffer.area);  in sst_fill_alloc_params()
140 	channels = substream->runtime->channels;  in sst_fill_alloc_params()
141 	period_size = substream->runtime->period_size;  in sst_fill_alloc_params()
142 	periodbytes = samples_to_bytes(substream->runtime, period_size);  in sst_fill_alloc_params()
150 static void sst_fill_pcm_params(struct snd_pcm_substream *substream,  in sst_fill_pcm_params()  argument
153 	param->uc.pcm_params.num_chan = (u8) substream->runtime->channels;  in sst_fill_pcm_params()
154 	param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits;  in sst_fill_pcm_params()
155 	param->uc.pcm_params.sfreq = substream->runtime->rate;  in sst_fill_pcm_params()
181 int sst_fill_stream_params(void *substream,  in sst_fill_stream_params()  argument
194 		cstream = (struct snd_compr_stream *)substream;  in sst_fill_stream_params()
196 		pstream = (struct snd_pcm_substream *)substream;  in sst_fill_stream_params()
230 static int sst_platform_alloc_stream(struct snd_pcm_substream *substream,  in sst_platform_alloc_stream()  argument
234 			substream->runtime->private_data;  in sst_platform_alloc_stream()
242 	sst_fill_pcm_params(substream, &param);  in sst_platform_alloc_stream()
243 	sst_fill_alloc_params(substream, &alloc_params);  in sst_platform_alloc_stream()
244 	substream->runtime->dma_area = substream->dma_buffer.area;  in sst_platform_alloc_stream()
250 	ret_val = sst_fill_stream_params(substream, ctx, &str_params, false);  in sst_platform_alloc_stream()
266 	struct snd_pcm_substream *substream = arg;  in sst_period_elapsed()  local
270 	if (!substream || !substream->runtime)  in sst_period_elapsed()
272 	stream = substream->runtime->private_data;  in sst_period_elapsed()
278 	snd_pcm_period_elapsed(substream);  in sst_period_elapsed()
281 static int sst_platform_init_stream(struct snd_pcm_substream *substream)  in sst_platform_init_stream()  argument
284 			substream->runtime->private_data;  in sst_platform_init_stream()
285 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in sst_platform_init_stream()
291 	stream->stream_info.arg = substream;  in sst_platform_init_stream()
293 	stream->stream_info.sfreq = substream->runtime->rate;  in sst_platform_init_stream()
311 static int sst_media_open(struct snd_pcm_substream *substream,  in sst_media_open()  argument
315 	struct snd_pcm_runtime *runtime = substream->runtime;  in sst_media_open()
336 	stream->stream_info.arg = substream;  in sst_media_open()
345 	snd_pcm_hw_constraint_step(substream->runtime, 0,  in sst_media_open()
356 static void sst_media_close(struct snd_pcm_substream *substream,  in sst_media_close()  argument
362 	stream = substream->runtime->private_data;  in sst_media_close()
373 					       struct snd_pcm_substream *substream)  in get_current_pipe_id()  argument
378 			substream->runtime->private_data;  in get_current_pipe_id()
389 static int sst_media_prepare(struct snd_pcm_substream *substream,  in sst_media_prepare()  argument
395 	stream = substream->runtime->private_data;  in sst_media_prepare()
402 	ret_val = sst_platform_alloc_stream(substream, dai);  in sst_media_prepare()
405 	snprintf(substream->pcm->id, sizeof(substream->pcm->id),  in sst_media_prepare()
408 	ret_val = sst_platform_init_stream(substream);  in sst_media_prepare()
411 	substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER;  in sst_media_prepare()
415 static int sst_media_hw_params(struct snd_pcm_substream *substream,  in sst_media_hw_params()  argument
419 	snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));  in sst_media_hw_params()
420 	memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));  in sst_media_hw_params()
424 static int sst_media_hw_free(struct snd_pcm_substream *substream,  in sst_media_hw_free()  argument
427 	return snd_pcm_lib_free_pages(substream);  in sst_media_hw_free()
430 static int sst_enable_ssp(struct snd_pcm_substream *substream,  in sst_enable_ssp()  argument
444 static void sst_disable_ssp(struct snd_pcm_substream *substream,  in sst_disable_ssp()  argument
559 static int sst_platform_open(struct snd_pcm_substream *substream)  in sst_platform_open()  argument
563 	if (substream->pcm->internal)  in sst_platform_open()
566 	runtime = substream->runtime;  in sst_platform_open()
571 static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream,  in sst_platform_pcm_trigger()  argument
577 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in sst_platform_pcm_trigger()
580 	if (substream->pcm->internal)  in sst_platform_pcm_trigger()
582 	stream = substream->runtime->private_data;  in sst_platform_pcm_trigger()
588 		stream->stream_info.arg = substream;  in sst_platform_pcm_trigger()
620 			(struct snd_pcm_substream *substream)  in sst_platform_pcm_pointer()  argument
625 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in sst_platform_pcm_pointer()
627 	stream = substream->runtime->private_data;  in sst_platform_pcm_pointer()
637 	substream->runtime->delay = str_info->pcm_delay;  in sst_platform_pcm_pointer()