93 static int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair)  in fsl_asrc_request_pair()  argument
96 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_request_pair()
104 		if (asrc_priv->pair[i] != NULL)  in fsl_asrc_request_pair()
121 		asrc_priv->pair[index] = pair;  in fsl_asrc_request_pair()
122 		pair->channels = channels;  in fsl_asrc_request_pair()
123 		pair->index = index;  in fsl_asrc_request_pair()
136 static void fsl_asrc_release_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_release_pair()  argument
138 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_release_pair()
139 	enum asrc_pair_index index = pair->index;  in fsl_asrc_release_pair()
148 	asrc_priv->channel_avail += pair->channels;  in fsl_asrc_release_pair()
149 	asrc_priv->pair[index] = NULL;  in fsl_asrc_release_pair()
150 	pair->error = 0;  in fsl_asrc_release_pair()
158 static void fsl_asrc_set_watermarks(struct fsl_asrc_pair *pair, u32 in, u32 out)  in fsl_asrc_set_watermarks()  argument
160 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_set_watermarks()
161 	enum asrc_pair_index index = pair->index;  in fsl_asrc_set_watermarks()
177 static u32 fsl_asrc_cal_asrck_divisor(struct fsl_asrc_pair *pair, u32 div)  in fsl_asrc_cal_asrck_divisor()  argument
193 static int fsl_asrc_set_ideal_ratio(struct fsl_asrc_pair *pair,  in fsl_asrc_set_ideal_ratio()  argument
196 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_set_ideal_ratio()
197 	enum asrc_pair_index index = pair->index;  in fsl_asrc_set_ideal_ratio()
238 static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_config_pair()  argument
240 	struct asrc_config *config = pair->config;  in fsl_asrc_config_pair()
241 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_config_pair()
242 	enum asrc_pair_index index = pair->index;  in fsl_asrc_config_pair()
341 	indiv = fsl_asrc_cal_asrck_divisor(pair, div[IN]);  in fsl_asrc_config_pair()
342 	outdiv = fsl_asrc_cal_asrck_divisor(pair, div[OUT]);  in fsl_asrc_config_pair()
361 	fsl_asrc_set_watermarks(pair, ASRC_INPUTFIFO_THRESHOLD,  in fsl_asrc_config_pair()
383 	return fsl_asrc_set_ideal_ratio(pair, inrate, outrate);  in fsl_asrc_config_pair()
391 static void fsl_asrc_start_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_start_pair()  argument
393 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_start_pair()
394 	enum asrc_pair_index index = pair->index;  in fsl_asrc_start_pair()
410 	for (i = 0; i < pair->channels * 4; i++)  in fsl_asrc_start_pair()
420 static void fsl_asrc_stop_pair(struct fsl_asrc_pair *pair)  in fsl_asrc_stop_pair()  argument
422 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_stop_pair()
423 	enum asrc_pair_index index = pair->index;  in fsl_asrc_stop_pair()
433 struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir)  in fsl_asrc_get_dma_channel()  argument
435 	struct fsl_asrc *asrc_priv = pair->asrc_priv;  in fsl_asrc_get_dma_channel()
436 	enum asrc_pair_index index = pair->index;  in fsl_asrc_get_dma_channel()
452 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_hw_params()  local
458 	ret = fsl_asrc_request_pair(channels, pair);  in fsl_asrc_dai_hw_params()
464 	pair->config = &config;  in fsl_asrc_dai_hw_params()
476 	config.pair = pair->index;  in fsl_asrc_dai_hw_params()
493 	ret = fsl_asrc_config_pair(pair);  in fsl_asrc_dai_hw_params()
506 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_hw_free()  local
508 	if (pair)  in fsl_asrc_dai_hw_free()
509 		fsl_asrc_release_pair(pair);  in fsl_asrc_dai_hw_free()
518 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dai_trigger()  local
524 		fsl_asrc_start_pair(pair);  in fsl_asrc_dai_trigger()
529 		fsl_asrc_stop_pair(pair);  in fsl_asrc_dai_trigger()
775 		if (!asrc_priv->pair[index])  in fsl_asrc_isr()
779 			asrc_priv->pair[index]->error |= ASRC_TASK_Q_OVERLOAD;  in fsl_asrc_isr()
784 			asrc_priv->pair[index]->error |= ASRC_OUTPUT_TASK_OVERLOAD;  in fsl_asrc_isr()
789 			asrc_priv->pair[index]->error |= ASRC_INPUT_TASK_OVERLOAD;  in fsl_asrc_isr()
794 			asrc_priv->pair[index]->error |= ASRC_OUTPUT_BUFFER_OVERFLOW;  in fsl_asrc_isr()
799 			asrc_priv->pair[index]->error |= ASRC_INPUT_BUFFER_UNDERRUN;  in fsl_asrc_isr()