210 static int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair)  in fsl_asrc_request_pair()  argument
213 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_request_pair()
221 		if (asrc->pair[i] != NULL)  in fsl_asrc_request_pair()
238 		asrc->pair[index] = pair;  in fsl_asrc_request_pair()
239 		pair->channels = channels;  in fsl_asrc_request_pair()
240 		pair->index = index;  in fsl_asrc_request_pair()
254 static void fsl_asrc_release_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_release_pair()  argument
256 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_release_pair()
257 	enum asrc_pair_index index = pair->index;  in fsl_asrc_release_pair()
266 	asrc->channel_avail += pair->channels;  in fsl_asrc_release_pair()
267 	asrc->pair[index] = NULL;  in fsl_asrc_release_pair()
268 	pair->error = 0;  in fsl_asrc_release_pair()
279 static void fsl_asrc_set_watermarks(struct fsl_asrc_pair *pair, u32 in, u32 out)  in fsl_asrc_set_watermarks()  argument
281 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_set_watermarks()
282 	enum asrc_pair_index index = pair->index;  in fsl_asrc_set_watermarks()
300 static u32 fsl_asrc_cal_asrck_divisor(struct fsl_asrc_pair *pair, u32 div)  in fsl_asrc_cal_asrck_divisor()  argument
319 static int fsl_asrc_set_ideal_ratio(struct fsl_asrc_pair *pair,  in fsl_asrc_set_ideal_ratio()  argument
322 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_set_ideal_ratio()
323 	enum asrc_pair_index index = pair->index;  in fsl_asrc_set_ideal_ratio()
373 static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)  in fsl_asrc_config_pair()  argument
375 	struct fsl_asrc_pair_priv *pair_priv = pair->private;  in fsl_asrc_config_pair()
377 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_config_pair()
379 	enum asrc_pair_index index = pair->index;  in fsl_asrc_config_pair()
525 	indiv = fsl_asrc_cal_asrck_divisor(pair, div[IN]);  in fsl_asrc_config_pair()
526 	outdiv = fsl_asrc_cal_asrck_divisor(pair, div[OUT]);  in fsl_asrc_config_pair()
545 	fsl_asrc_set_watermarks(pair, ASRC_INPUTFIFO_THRESHOLD,  in fsl_asrc_config_pair()
569 	return fsl_asrc_set_ideal_ratio(pair, inrate, outrate);  in fsl_asrc_config_pair()
578 static void fsl_asrc_start_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_start_pair()  argument
580 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_start_pair()
581 	enum asrc_pair_index index = pair->index;  in fsl_asrc_start_pair()
597 	for (i = 0; i < pair->channels * 4; i++)  in fsl_asrc_start_pair()
608 static void fsl_asrc_stop_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_stop_pair()  argument
610 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_stop_pair()
611 	enum asrc_pair_index index = pair->index;  in fsl_asrc_stop_pair()
623 static struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair,  in fsl_asrc_get_dma_channel()  argument
626 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_get_dma_channel()
627 	enum asrc_pair_index index = pair->index;  in fsl_asrc_get_dma_channel()
653 				struct fsl_asrc_pair *pair,  in fsl_asrc_select_clk()  argument
657 	struct fsl_asrc_pair_priv *pair_priv = pair->private;  in fsl_asrc_select_clk()
696 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_hw_params()  local
697 	struct fsl_asrc_pair_priv *pair_priv = pair->private;  in fsl_asrc_dai_hw_params()
703 	ret = fsl_asrc_request_pair(channels, pair);  in fsl_asrc_dai_hw_params()
711 	config.pair = pair->index;  in fsl_asrc_dai_hw_params()
726 	fsl_asrc_select_clk(asrc_priv, pair,  in fsl_asrc_dai_hw_params()
730 	ret = fsl_asrc_config_pair(pair, false);  in fsl_asrc_dai_hw_params()
743 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_hw_free()  local
745 	if (pair)  in fsl_asrc_dai_hw_free()
746 		fsl_asrc_release_pair(pair);  in fsl_asrc_dai_hw_free()
755 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_trigger()  local
761 		fsl_asrc_start_pair(pair);  in fsl_asrc_dai_trigger()
766 		fsl_asrc_stop_pair(pair);  in fsl_asrc_dai_trigger()
1021 		if (!asrc->pair[index])  in fsl_asrc_isr()
1025 			asrc->pair[index]->error |= ASRC_TASK_Q_OVERLOAD;  in fsl_asrc_isr()
1030 			asrc->pair[index]->error |= ASRC_OUTPUT_TASK_OVERLOAD;  in fsl_asrc_isr()
1035 			asrc->pair[index]->error |= ASRC_INPUT_TASK_OVERLOAD;  in fsl_asrc_isr()
1040 			asrc->pair[index]->error |= ASRC_OUTPUT_BUFFER_OVERFLOW;  in fsl_asrc_isr()
1045 			asrc->pair[index]->error |= ASRC_INPUT_BUFFER_UNDERRUN;  in fsl_asrc_isr()