26 	dev_err(&asrc->pdev->dev, "Pair %c: " fmt, 'A' + index, ##__VA_ARGS__)
29 	dev_dbg(&asrc->pdev->dev, "Pair %c: " fmt, 'A' + index, ##__VA_ARGS__)
32 	dev_warn(&asrc->pdev->dev, "Pair %c: " fmt, 'A' + index, ##__VA_ARGS__)
206  * fsl_asrc_request_pair - Request ASRC pair
208  * @pair: pointer to pair
210  * It assigns pair by the order of A->C->B because allocation of pair B,
211  * within range [ANCA, ANCA+ANCB-1], depends on the channels of pair A
212  * while pair A and pair C are comparatively independent.
214 static int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair)  in fsl_asrc_request_pair()  argument
217 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_request_pair()
225 		if (asrc->pair[i] != NULL)  in fsl_asrc_request_pair()
242 		asrc->pair[index] = pair;  in fsl_asrc_request_pair()
243 		pair->channels = channels;  in fsl_asrc_request_pair()
244 		pair->index = index;  in fsl_asrc_request_pair()
253  * fsl_asrc_release_pair - Release ASRC pair
254  * @pair: pair to release
258 static void fsl_asrc_release_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_release_pair()  argument
260 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_release_pair()
261 	enum asrc_pair_index index = pair->index;  in fsl_asrc_release_pair()
264 	/* Make sure the pair is disabled */  in fsl_asrc_release_pair()
270 	asrc->channel_avail += pair->channels;  in fsl_asrc_release_pair()
271 	asrc->pair[index] = NULL;  in fsl_asrc_release_pair()
272 	pair->error = 0;  in fsl_asrc_release_pair()
279  * @pair: pointer to pair
283 static void fsl_asrc_set_watermarks(struct fsl_asrc_pair *pair, u32 in, u32 out)  in fsl_asrc_set_watermarks()  argument
285 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_set_watermarks()
286 	enum asrc_pair_index index = pair->index;  in fsl_asrc_set_watermarks()
299  * @pair: pointer to pair
304 static u32 fsl_asrc_cal_asrck_divisor(struct fsl_asrc_pair *pair, u32 div)  in fsl_asrc_cal_asrck_divisor()  argument
317  * @pair: pointer to pair
323 static int fsl_asrc_set_ideal_ratio(struct fsl_asrc_pair *pair,  in fsl_asrc_set_ideal_ratio()  argument
326 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_set_ideal_ratio()
327 	enum asrc_pair_index index = pair->index;  in fsl_asrc_set_ideal_ratio()
362  * fsl_asrc_config_pair - Configure the assigned ASRC pair
363  * @pair: pointer to pair
377 static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)  in fsl_asrc_config_pair()  argument
379 	struct fsl_asrc_pair_priv *pair_priv = pair->private;  in fsl_asrc_config_pair()
381 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_config_pair()
383 	enum asrc_pair_index index = pair->index;  in fsl_asrc_config_pair()
395 		pair_err("invalid pair config\n");  in fsl_asrc_config_pair()
511 	/* Update channels for current pair */  in fsl_asrc_config_pair()
529 	indiv = fsl_asrc_cal_asrck_divisor(pair, div[IN]);  in fsl_asrc_config_pair()
530 	outdiv = fsl_asrc_cal_asrck_divisor(pair, div[OUT]);  in fsl_asrc_config_pair()
549 	fsl_asrc_set_watermarks(pair, ASRC_INPUTFIFO_THRESHOLD,  in fsl_asrc_config_pair()
573 	return fsl_asrc_set_ideal_ratio(pair, inrate, outrate);  in fsl_asrc_config_pair()
577  * fsl_asrc_start_pair - Start the assigned ASRC pair
578  * @pair: pointer to pair
580  * It enables the assigned pair and makes it stopped at the stall level.
582 static void fsl_asrc_start_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_start_pair()  argument
584 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_start_pair()
585 	enum asrc_pair_index index = pair->index;  in fsl_asrc_start_pair()
588 	/* Enable the current pair */  in fsl_asrc_start_pair()
605 	for (i = 0; i < pair->channels * 4; i++)  in fsl_asrc_start_pair()
613  * fsl_asrc_stop_pair - Stop the assigned ASRC pair
614  * @pair: pointer to pair
616 static void fsl_asrc_stop_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_stop_pair()  argument
618 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_stop_pair()
619 	enum asrc_pair_index index = pair->index;  in fsl_asrc_stop_pair()
621 	/* Stop the current pair */  in fsl_asrc_stop_pair()
627  * fsl_asrc_get_dma_channel- Get DMA channel according to the pair and direction.
628  * @pair: pointer to pair
631 static struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair,  in fsl_asrc_get_dma_channel()  argument
634 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_get_dma_channel()
635 	enum asrc_pair_index index = pair->index;  in fsl_asrc_get_dma_channel()
661 				struct fsl_asrc_pair *pair,  in fsl_asrc_select_clk()  argument
665 	struct fsl_asrc_pair_priv *pair_priv = pair->private;  in fsl_asrc_select_clk()
704 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_hw_params()  local
705 	struct fsl_asrc_pair_priv *pair_priv = pair->private;  in fsl_asrc_dai_hw_params()
711 	ret = fsl_asrc_request_pair(channels, pair);  in fsl_asrc_dai_hw_params()
713 		dev_err(dai->dev, "fail to request asrc pair\n");  in fsl_asrc_dai_hw_params()
719 	config.pair = pair->index;  in fsl_asrc_dai_hw_params()
734 	fsl_asrc_select_clk(asrc_priv, pair,  in fsl_asrc_dai_hw_params()
738 	ret = fsl_asrc_config_pair(pair, false);  in fsl_asrc_dai_hw_params()
740 		dev_err(dai->dev, "fail to config asrc pair\n");  in fsl_asrc_dai_hw_params()
751 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_hw_free()  local
753 	if (pair)  in fsl_asrc_dai_hw_free()
754 		fsl_asrc_release_pair(pair);  in fsl_asrc_dai_hw_free()
763 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_trigger()  local
769 		fsl_asrc_start_pair(pair);  in fsl_asrc_dai_trigger()
774 		fsl_asrc_stop_pair(pair);  in fsl_asrc_dai_trigger()
979 	/* Halt ASRC internal FP when input FIFO needs data for pair A, B, C */  in fsl_asrc_init()
1029 		if (!asrc->pair[index])  in fsl_asrc_isr()
1033 			asrc->pair[index]->error |= ASRC_TASK_Q_OVERLOAD;  in fsl_asrc_isr()
1038 			asrc->pair[index]->error |= ASRC_OUTPUT_TASK_OVERLOAD;  in fsl_asrc_isr()
1043 			asrc->pair[index]->error |= ASRC_INPUT_TASK_OVERLOAD;  in fsl_asrc_isr()
1048 			asrc->pair[index]->error |= ASRC_OUTPUT_BUFFER_OVERFLOW;  in fsl_asrc_isr()
1053 			asrc->pair[index]->error |= ASRC_INPUT_BUFFER_UNDERRUN;  in fsl_asrc_isr()
1319 				dev_warn(dev, "Pair %c initialization isn't finished\n", 'A' + i);  in fsl_asrc_runtime_resume()