46 	struct snd_pcm_substream *substream = arg;  in fsl_asrc_dma_complete()  local
47 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_complete()
50 	pair->pos += snd_pcm_lib_period_bytes(substream);  in fsl_asrc_dma_complete()
51 	if (pair->pos >= snd_pcm_lib_buffer_bytes(substream))  in fsl_asrc_dma_complete()
54 	snd_pcm_period_elapsed(substream);  in fsl_asrc_dma_complete()
57 static int fsl_asrc_dma_prepare_and_submit(struct snd_pcm_substream *substream)  in fsl_asrc_dma_prepare_and_submit()  argument
59 	u8 dir = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? OUT : IN;  in fsl_asrc_dma_prepare_and_submit()
60 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in fsl_asrc_dma_prepare_and_submit()
61 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_prepare_and_submit()
68 	if (!substream->runtime->no_period_wakeup)  in fsl_asrc_dma_prepare_and_submit()
74 			snd_pcm_lib_buffer_bytes(substream),  in fsl_asrc_dma_prepare_and_submit()
75 			snd_pcm_lib_period_bytes(substream),  in fsl_asrc_dma_prepare_and_submit()
83 	pair->desc[!dir]->callback_param = substream;  in fsl_asrc_dma_prepare_and_submit()
100 static int fsl_asrc_dma_trigger(struct snd_pcm_substream *substream, int cmd)  in fsl_asrc_dma_trigger()  argument
102 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_trigger()
110 		ret = fsl_asrc_dma_prepare_and_submit(substream);  in fsl_asrc_dma_trigger()
129 static int fsl_asrc_dma_hw_params(struct snd_pcm_substream *substream,  in fsl_asrc_dma_hw_params()  argument
133 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in fsl_asrc_dma_hw_params()
134 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;  in fsl_asrc_dma_hw_params()
138 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_hw_params()
144 	int stream = substream->stream;  in fsl_asrc_dma_hw_params()
174 	dma_params_fe = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in fsl_asrc_dma_hw_params()
185 	ret = snd_dmaengine_pcm_prepare_slave_config(substream, params, &config_fe);  in fsl_asrc_dma_hw_params()
247 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in fsl_asrc_dma_hw_params()
252 static int fsl_asrc_dma_hw_free(struct snd_pcm_substream *substream)  in fsl_asrc_dma_hw_free()  argument
254 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_hw_free()
257 	snd_pcm_set_runtime_buffer(substream, NULL);  in fsl_asrc_dma_hw_free()
271 static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream)  in fsl_asrc_dma_startup()  argument
273 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in fsl_asrc_dma_startup()
274 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_startup()
288 	snd_pcm_hw_constraint_integer(substream->runtime,  in fsl_asrc_dma_startup()
290 	snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);  in fsl_asrc_dma_startup()
295 static int fsl_asrc_dma_shutdown(struct snd_pcm_substream *substream)  in fsl_asrc_dma_shutdown()  argument
297 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_shutdown()
314 static snd_pcm_uframes_t fsl_asrc_dma_pcm_pointer(struct snd_pcm_substream *substream)  in fsl_asrc_dma_pcm_pointer()  argument
316 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_pcm_pointer()
319 	return bytes_to_frames(substream->runtime, pair->pos);  in fsl_asrc_dma_pcm_pointer()
335 	struct snd_pcm_substream *substream;  in fsl_asrc_dma_pcm_new()  local
346 		substream = pcm->streams[i].substream;  in fsl_asrc_dma_pcm_new()
347 		if (!substream)  in fsl_asrc_dma_pcm_new()
351 				FSL_ASRC_DMABUF_SIZE, &substream->dma_buffer);  in fsl_asrc_dma_pcm_new()
361 	if (--i == 0 && pcm->streams[i].substream)  in fsl_asrc_dma_pcm_new()
362 		snd_dma_free_pages(&pcm->streams[i].substream->dma_buffer);  in fsl_asrc_dma_pcm_new()
369 	struct snd_pcm_substream *substream;  in fsl_asrc_dma_pcm_free()  local
373 		substream = pcm->streams[i].substream;  in fsl_asrc_dma_pcm_free()
374 		if (!substream)  in fsl_asrc_dma_pcm_free()
377 		snd_dma_free_pages(&substream->dma_buffer);  in fsl_asrc_dma_pcm_free()
378 		substream->dma_buffer.area = NULL;  in fsl_asrc_dma_pcm_free()
379 		substream->dma_buffer.addr = 0;  in fsl_asrc_dma_pcm_free()