50 	struct snd_pcm_substream *substream = arg;  in fsl_asrc_dma_complete()  local
51 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_complete()
54 	pair->pos += snd_pcm_lib_period_bytes(substream);  in fsl_asrc_dma_complete()
55 	if (pair->pos >= snd_pcm_lib_buffer_bytes(substream))  in fsl_asrc_dma_complete()
58 	snd_pcm_period_elapsed(substream);  in fsl_asrc_dma_complete()
61 static int fsl_asrc_dma_prepare_and_submit(struct snd_pcm_substream *substream)  in fsl_asrc_dma_prepare_and_submit()  argument
63 	u8 dir = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? OUT : IN;  in fsl_asrc_dma_prepare_and_submit()
64 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in fsl_asrc_dma_prepare_and_submit()
65 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_prepare_and_submit()
71 	if (!substream->runtime->no_period_wakeup)  in fsl_asrc_dma_prepare_and_submit()
77 			snd_pcm_lib_buffer_bytes(substream),  in fsl_asrc_dma_prepare_and_submit()
78 			snd_pcm_lib_period_bytes(substream),  in fsl_asrc_dma_prepare_and_submit()
86 	pair->desc[!dir]->callback_param = substream;  in fsl_asrc_dma_prepare_and_submit()
103 static int fsl_asrc_dma_trigger(struct snd_pcm_substream *substream, int cmd)  in fsl_asrc_dma_trigger()  argument
105 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_trigger()
113 		ret = fsl_asrc_dma_prepare_and_submit(substream);  in fsl_asrc_dma_trigger()
132 static int fsl_asrc_dma_hw_params(struct snd_pcm_substream *substream,  in fsl_asrc_dma_hw_params()  argument
136 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in fsl_asrc_dma_hw_params()
137 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;  in fsl_asrc_dma_hw_params()
140 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_hw_params()
146 	int stream = substream->stream;  in fsl_asrc_dma_hw_params()
176 	dma_params_fe = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in fsl_asrc_dma_hw_params()
187 	ret = snd_dmaengine_pcm_prepare_slave_config(substream, params, &config_fe);  in fsl_asrc_dma_hw_params()
249 	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);  in fsl_asrc_dma_hw_params()
254 static int fsl_asrc_dma_hw_free(struct snd_pcm_substream *substream)  in fsl_asrc_dma_hw_free()  argument
256 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_hw_free()
259 	snd_pcm_set_runtime_buffer(substream, NULL);  in fsl_asrc_dma_hw_free()
273 static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream)  in fsl_asrc_dma_startup()  argument
275 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in fsl_asrc_dma_startup()
276 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_startup()
291 	snd_pcm_hw_constraint_integer(substream->runtime,  in fsl_asrc_dma_startup()
293 	snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);  in fsl_asrc_dma_startup()
298 static int fsl_asrc_dma_shutdown(struct snd_pcm_substream *substream)  in fsl_asrc_dma_shutdown()  argument
300 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_shutdown()
317 static snd_pcm_uframes_t fsl_asrc_dma_pcm_pointer(struct snd_pcm_substream *substream)  in fsl_asrc_dma_pcm_pointer()  argument
319 	struct snd_pcm_runtime *runtime = substream->runtime;  in fsl_asrc_dma_pcm_pointer()
322 	return bytes_to_frames(substream->runtime, pair->pos);  in fsl_asrc_dma_pcm_pointer()
338 	struct snd_pcm_substream *substream;  in fsl_asrc_dma_pcm_new()  local
349 		substream = pcm->streams[i].substream;  in fsl_asrc_dma_pcm_new()
350 		if (!substream)  in fsl_asrc_dma_pcm_new()
354 				FSL_ASRC_DMABUF_SIZE, &substream->dma_buffer);  in fsl_asrc_dma_pcm_new()
364 	if (--i == 0 && pcm->streams[i].substream)  in fsl_asrc_dma_pcm_new()
365 		snd_dma_free_pages(&pcm->streams[i].substream->dma_buffer);  in fsl_asrc_dma_pcm_new()
372 	struct snd_pcm_substream *substream;  in fsl_asrc_dma_pcm_free()  local
376 		substream = pcm->streams[i].substream;  in fsl_asrc_dma_pcm_free()
377 		if (!substream)  in fsl_asrc_dma_pcm_free()
380 		snd_dma_free_pages(&substream->dma_buffer);  in fsl_asrc_dma_pcm_free()
381 		substream->dma_buffer.area = NULL;  in fsl_asrc_dma_pcm_free()
382 		substream->dma_buffer.addr = 0;  in fsl_asrc_dma_pcm_free()