Lines Matching full:pair
24 dev_err(&asrc->pdev->dev, "Pair %c: " fmt, 'A' + index, ##__VA_ARGS__)
27 dev_dbg(&asrc->pdev->dev, "Pair %c: " fmt, 'A' + index, ##__VA_ARGS__)
152 * fsl_asrc_request_pair - Request ASRC pair
154 * @pair: pointer to pair
156 * It assigns pair by the order of A->C->B because allocation of pair B,
157 * within range [ANCA, ANCA+ANCB-1], depends on the channels of pair A
158 * while pair A and pair C are comparatively independent.
160 static int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair) in fsl_asrc_request_pair() argument
163 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_request_pair()
171 if (asrc->pair[i] != NULL) in fsl_asrc_request_pair()
188 asrc->pair[index] = pair; in fsl_asrc_request_pair()
189 pair->channels = channels; in fsl_asrc_request_pair()
190 pair->index = index; in fsl_asrc_request_pair()
199 * fsl_asrc_release_pair - Release ASRC pair
200 * @pair: pair to release
204 static void fsl_asrc_release_pair(struct fsl_asrc_pair *pair) in fsl_asrc_release_pair() argument
206 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_release_pair()
207 enum asrc_pair_index index = pair->index; in fsl_asrc_release_pair()
210 /* Make sure the pair is disabled */ in fsl_asrc_release_pair()
216 asrc->channel_avail += pair->channels; in fsl_asrc_release_pair()
217 asrc->pair[index] = NULL; in fsl_asrc_release_pair()
218 pair->error = 0; in fsl_asrc_release_pair()
225 * @pair: pointer to pair
229 static void fsl_asrc_set_watermarks(struct fsl_asrc_pair *pair, u32 in, u32 out) in fsl_asrc_set_watermarks() argument
231 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_set_watermarks()
232 enum asrc_pair_index index = pair->index; in fsl_asrc_set_watermarks()
245 * @pair: pointer to pair
250 static u32 fsl_asrc_cal_asrck_divisor(struct fsl_asrc_pair *pair, u32 div) in fsl_asrc_cal_asrck_divisor() argument
263 * @pair: pointer to pair
269 static int fsl_asrc_set_ideal_ratio(struct fsl_asrc_pair *pair, in fsl_asrc_set_ideal_ratio() argument
272 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_set_ideal_ratio()
273 enum asrc_pair_index index = pair->index; in fsl_asrc_set_ideal_ratio()
308 * fsl_asrc_config_pair - Configure the assigned ASRC pair
309 * @pair: pointer to pair
323 static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate) in fsl_asrc_config_pair() argument
325 struct fsl_asrc_pair_priv *pair_priv = pair->private; in fsl_asrc_config_pair()
327 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_config_pair()
329 enum asrc_pair_index index = pair->index; in fsl_asrc_config_pair()
341 pair_err("invalid pair config\n"); in fsl_asrc_config_pair()
459 /* Update channels for current pair */ in fsl_asrc_config_pair()
477 indiv = fsl_asrc_cal_asrck_divisor(pair, div[IN]); in fsl_asrc_config_pair()
478 outdiv = fsl_asrc_cal_asrck_divisor(pair, div[OUT]); in fsl_asrc_config_pair()
497 fsl_asrc_set_watermarks(pair, ASRC_INPUTFIFO_THRESHOLD, in fsl_asrc_config_pair()
521 return fsl_asrc_set_ideal_ratio(pair, inrate, outrate); in fsl_asrc_config_pair()
525 * fsl_asrc_start_pair - Start the assigned ASRC pair
526 * @pair: pointer to pair
528 * It enables the assigned pair and makes it stopped at the stall level.
530 static void fsl_asrc_start_pair(struct fsl_asrc_pair *pair) in fsl_asrc_start_pair() argument
532 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_start_pair()
533 enum asrc_pair_index index = pair->index; in fsl_asrc_start_pair()
536 /* Enable the current pair */ in fsl_asrc_start_pair()
549 for (i = 0; i < pair->channels * 4; i++) in fsl_asrc_start_pair()
557 * fsl_asrc_stop_pair - Stop the assigned ASRC pair
558 * @pair: pointer to pair
560 static void fsl_asrc_stop_pair(struct fsl_asrc_pair *pair) in fsl_asrc_stop_pair() argument
562 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_stop_pair()
563 enum asrc_pair_index index = pair->index; in fsl_asrc_stop_pair()
565 /* Stop the current pair */ in fsl_asrc_stop_pair()
571 * fsl_asrc_get_dma_channel- Get DMA channel according to the pair and direction.
572 * @pair: pointer to pair
575 static struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, in fsl_asrc_get_dma_channel() argument
578 struct fsl_asrc *asrc = pair->asrc; in fsl_asrc_get_dma_channel()
579 enum asrc_pair_index index = pair->index; in fsl_asrc_get_dma_channel()
605 struct fsl_asrc_pair *pair, in fsl_asrc_select_clk() argument
609 struct fsl_asrc_pair_priv *pair_priv = pair->private; in fsl_asrc_select_clk()
649 struct fsl_asrc_pair *pair = runtime->private_data; in fsl_asrc_dai_hw_params() local
650 struct fsl_asrc_pair_priv *pair_priv = pair->private; in fsl_asrc_dai_hw_params()
656 ret = fsl_asrc_request_pair(channels, pair); in fsl_asrc_dai_hw_params()
658 dev_err(dai->dev, "fail to request asrc pair\n"); in fsl_asrc_dai_hw_params()
664 config.pair = pair->index; in fsl_asrc_dai_hw_params()
679 fsl_asrc_select_clk(asrc_priv, pair, in fsl_asrc_dai_hw_params()
683 ret = fsl_asrc_config_pair(pair, false); in fsl_asrc_dai_hw_params()
685 dev_err(dai->dev, "fail to config asrc pair\n"); in fsl_asrc_dai_hw_params()
696 struct fsl_asrc_pair *pair = runtime->private_data; in fsl_asrc_dai_hw_free() local
698 if (pair) in fsl_asrc_dai_hw_free()
699 fsl_asrc_release_pair(pair); in fsl_asrc_dai_hw_free()
708 struct fsl_asrc_pair *pair = runtime->private_data; in fsl_asrc_dai_trigger() local
714 fsl_asrc_start_pair(pair); in fsl_asrc_dai_trigger()
719 fsl_asrc_stop_pair(pair); in fsl_asrc_dai_trigger()
924 /* Halt ASRC internal FP when input FIFO needs data for pair A, B, C */ in fsl_asrc_init()
974 if (!asrc->pair[index]) in fsl_asrc_isr()
978 asrc->pair[index]->error |= ASRC_TASK_Q_OVERLOAD; in fsl_asrc_isr()
983 asrc->pair[index]->error |= ASRC_OUTPUT_TASK_OVERLOAD; in fsl_asrc_isr()
988 asrc->pair[index]->error |= ASRC_INPUT_TASK_OVERLOAD; in fsl_asrc_isr()
993 asrc->pair[index]->error |= ASRC_OUTPUT_BUFFER_OVERFLOW; in fsl_asrc_isr()
998 asrc->pair[index]->error |= ASRC_INPUT_BUFFER_UNDERRUN; in fsl_asrc_isr()