46 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_complete()  local
48 	pair->pos += snd_pcm_lib_period_bytes(substream);  in fsl_asrc_dma_complete()
49 	if (pair->pos >= snd_pcm_lib_buffer_bytes(substream))  in fsl_asrc_dma_complete()
50 		pair->pos = 0;  in fsl_asrc_dma_complete()
60 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_prepare_and_submit()  local
68 	pair->pos = 0;  in fsl_asrc_dma_prepare_and_submit()
69 	pair->desc[!dir] = dmaengine_prep_dma_cyclic(  in fsl_asrc_dma_prepare_and_submit()
70 			pair->dma_chan[!dir], runtime->dma_addr,  in fsl_asrc_dma_prepare_and_submit()
74 	if (!pair->desc[!dir]) {  in fsl_asrc_dma_prepare_and_submit()
79 	pair->desc[!dir]->callback = fsl_asrc_dma_complete;  in fsl_asrc_dma_prepare_and_submit()
80 	pair->desc[!dir]->callback_param = substream;  in fsl_asrc_dma_prepare_and_submit()
82 	dmaengine_submit(pair->desc[!dir]);  in fsl_asrc_dma_prepare_and_submit()
85 	pair->desc[dir] = dmaengine_prep_dma_cyclic(  in fsl_asrc_dma_prepare_and_submit()
86 			pair->dma_chan[dir], 0xffff, 64, 64, DMA_DEV_TO_DEV, 0);  in fsl_asrc_dma_prepare_and_submit()
87 	if (!pair->desc[dir]) {  in fsl_asrc_dma_prepare_and_submit()
92 	dmaengine_submit(pair->desc[dir]);  in fsl_asrc_dma_prepare_and_submit()
101 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_trigger()  local
111 		dma_async_issue_pending(pair->dma_chan[IN]);  in fsl_asrc_dma_trigger()
112 		dma_async_issue_pending(pair->dma_chan[OUT]);  in fsl_asrc_dma_trigger()
117 		dmaengine_terminate_async(pair->dma_chan[OUT]);  in fsl_asrc_dma_trigger()
118 		dmaengine_terminate_async(pair->dma_chan[IN]);  in fsl_asrc_dma_trigger()
138 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_hw_params()  local
141 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_dma_hw_params()
144 	enum asrc_pair_index index = pair->index;  in fsl_asrc_dma_hw_params()
193 	pair->dma_chan[!dir] = asrc->get_dma_channel(pair, !dir);  in fsl_asrc_dma_hw_params()
194 	if (!pair->dma_chan[!dir]) {  in fsl_asrc_dma_hw_params()
205 	ret = dmaengine_slave_config(pair->dma_chan[!dir], &config_fe);  in fsl_asrc_dma_hw_params()
242 		pair->dma_data.dma_request = tmp_data->dma_request;  in fsl_asrc_dma_hw_params()
248 		tmp_chan = asrc->get_dma_channel(pair, dir);  in fsl_asrc_dma_hw_params()
250 		pair->dma_data.dma_request2 = tmp_data->dma_request;  in fsl_asrc_dma_hw_params()
251 		pair->dma_data.peripheral_type = tmp_data->peripheral_type;  in fsl_asrc_dma_hw_params()
252 		pair->dma_data.priority = tmp_data->priority;  in fsl_asrc_dma_hw_params()
255 		of_dma_node = pair->dma_chan[!dir]->device->dev->of_node;  in fsl_asrc_dma_hw_params()
256 		pair->dma_chan[dir] =  in fsl_asrc_dma_hw_params()
257 			__dma_request_channel(&mask, filter, &pair->dma_data,  in fsl_asrc_dma_hw_params()
259 		pair->req_dma_chan = true;  in fsl_asrc_dma_hw_params()
261 		pair->dma_chan[dir] = tmp_chan;  in fsl_asrc_dma_hw_params()
263 		pair->req_dma_chan = !be_chan;  in fsl_asrc_dma_hw_params()
266 	if (!pair->dma_chan[dir]) {  in fsl_asrc_dma_hw_params()
310 	ret = dmaengine_slave_config(pair->dma_chan[dir], &config_be);  in fsl_asrc_dma_hw_params()
313 		if (pair->req_dma_chan)  in fsl_asrc_dma_hw_params()
314 			dma_release_channel(pair->dma_chan[dir]);  in fsl_asrc_dma_hw_params()
326 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_hw_free()  local
329 	if (pair->dma_chan[!dir])  in fsl_asrc_dma_hw_free()
330 		dma_release_channel(pair->dma_chan[!dir]);  in fsl_asrc_dma_hw_free()
333 	if (pair->dma_chan[dir] && pair->req_dma_chan)  in fsl_asrc_dma_hw_free()
334 		dma_release_channel(pair->dma_chan[dir]);  in fsl_asrc_dma_hw_free()
336 	pair->dma_chan[!dir] = NULL;  in fsl_asrc_dma_hw_free()
337 	pair->dma_chan[dir] = NULL;  in fsl_asrc_dma_hw_free()
351 	struct fsl_asrc_pair *pair;  in fsl_asrc_dma_startup()  local
364 	pair = kzalloc(sizeof(*pair) + asrc->pair_priv_size, GFP_KERNEL);  in fsl_asrc_dma_startup()
365 	if (!pair)  in fsl_asrc_dma_startup()
368 	pair->asrc = asrc;  in fsl_asrc_dma_startup()
369 	pair->private = (void *)pair + sizeof(struct fsl_asrc_pair);  in fsl_asrc_dma_startup()
371 	runtime->private_data = pair;  in fsl_asrc_dma_startup()
373 	/* Request a dummy pair, which will be released later.  in fsl_asrc_dma_startup()
374 	 * Request pair function needs channel num as input, for this  in fsl_asrc_dma_startup()
375 	 * dummy pair, we just request "1" channel temporarily.  in fsl_asrc_dma_startup()
377 	ret = asrc->request_pair(1, pair);  in fsl_asrc_dma_startup()
379 		dev_err(dev, "failed to request asrc pair\n");  in fsl_asrc_dma_startup()
384 	tmp_chan = asrc->get_dma_channel(pair, dir);  in fsl_asrc_dma_startup()
410 	asrc->release_pair(pair);  in fsl_asrc_dma_startup()
414 		kfree(pair);  in fsl_asrc_dma_startup()
423 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_shutdown()  local
426 	if (!pair)  in fsl_asrc_dma_shutdown()
429 	asrc = pair->asrc;  in fsl_asrc_dma_shutdown()
431 	if (asrc->pair[pair->index] == pair)  in fsl_asrc_dma_shutdown()
432 		asrc->pair[pair->index] = NULL;  in fsl_asrc_dma_shutdown()
434 	kfree(pair);  in fsl_asrc_dma_shutdown()
444 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_pcm_pointer()  local
446 	return bytes_to_frames(substream->runtime, pair->pos);  in fsl_asrc_dma_pcm_pointer()