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_all(pair->dma_chan[OUT]);  in fsl_asrc_dma_trigger()
118 		dmaengine_terminate_all(pair->dma_chan[IN]);  in fsl_asrc_dma_trigger()
137 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_hw_params()  local
140 	struct fsl_asrc *asrc = pair->asrc;  in fsl_asrc_dma_hw_params()
142 	enum asrc_pair_index index = pair->index;  in fsl_asrc_dma_hw_params()
178 	pair->dma_chan[!dir] = asrc->get_dma_channel(pair, !dir);  in fsl_asrc_dma_hw_params()
179 	if (!pair->dma_chan[!dir]) {  in fsl_asrc_dma_hw_params()
191 	ret = dmaengine_slave_config(pair->dma_chan[!dir], &config_fe);  in fsl_asrc_dma_hw_params()
223 		pair->dma_data.dma_request = tmp_data->dma_request;  in fsl_asrc_dma_hw_params()
228 		tmp_chan = asrc->get_dma_channel(pair, dir);  in fsl_asrc_dma_hw_params()
230 		pair->dma_data.dma_request2 = tmp_data->dma_request;  in fsl_asrc_dma_hw_params()
231 		pair->dma_data.peripheral_type = tmp_data->peripheral_type;  in fsl_asrc_dma_hw_params()
232 		pair->dma_data.priority = tmp_data->priority;  in fsl_asrc_dma_hw_params()
235 		of_dma_node = pair->dma_chan[!dir]->device->dev->of_node;  in fsl_asrc_dma_hw_params()
236 		pair->dma_chan[dir] =  in fsl_asrc_dma_hw_params()
237 			__dma_request_channel(&mask, filter, &pair->dma_data,  in fsl_asrc_dma_hw_params()
239 		pair->req_dma_chan = true;  in fsl_asrc_dma_hw_params()
241 		pair->dma_chan[dir] = tmp_chan;  in fsl_asrc_dma_hw_params()
243 		pair->req_dma_chan = !be_chan;  in fsl_asrc_dma_hw_params()
246 	if (!pair->dma_chan[dir]) {  in fsl_asrc_dma_hw_params()
279 	ret = dmaengine_slave_config(pair->dma_chan[dir], &config_be);  in fsl_asrc_dma_hw_params()
282 		if (pair->req_dma_chan)  in fsl_asrc_dma_hw_params()
283 			dma_release_channel(pair->dma_chan[dir]);  in fsl_asrc_dma_hw_params()
295 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_hw_free()  local
298 	if (pair->dma_chan[!dir])  in fsl_asrc_dma_hw_free()
299 		dma_release_channel(pair->dma_chan[!dir]);  in fsl_asrc_dma_hw_free()
302 	if (pair->dma_chan[dir] && pair->req_dma_chan)  in fsl_asrc_dma_hw_free()
303 		dma_release_channel(pair->dma_chan[dir]);  in fsl_asrc_dma_hw_free()
305 	pair->dma_chan[!dir] = NULL;  in fsl_asrc_dma_hw_free()
306 	pair->dma_chan[dir] = NULL;  in fsl_asrc_dma_hw_free()
320 	struct fsl_asrc_pair *pair;  in fsl_asrc_dma_startup()  local
333 	pair = kzalloc(sizeof(*pair) + asrc->pair_priv_size, GFP_KERNEL);  in fsl_asrc_dma_startup()
334 	if (!pair)  in fsl_asrc_dma_startup()
337 	pair->asrc = asrc;  in fsl_asrc_dma_startup()
338 	pair->private = (void *)pair + sizeof(struct fsl_asrc_pair);  in fsl_asrc_dma_startup()
340 	runtime->private_data = pair;  in fsl_asrc_dma_startup()
342 	/* Request a dummy pair, which will be released later.  in fsl_asrc_dma_startup()
343 	 * Request pair function needs channel num as input, for this  in fsl_asrc_dma_startup()
344 	 * dummy pair, we just request "1" channel temporarily.  in fsl_asrc_dma_startup()
346 	ret = asrc->request_pair(1, pair);  in fsl_asrc_dma_startup()
348 		dev_err(dev, "failed to request asrc pair\n");  in fsl_asrc_dma_startup()
353 	tmp_chan = asrc->get_dma_channel(pair, dir);  in fsl_asrc_dma_startup()
379 	asrc->release_pair(pair);  in fsl_asrc_dma_startup()
383 		kfree(pair);  in fsl_asrc_dma_startup()
392 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_shutdown()  local
395 	if (!pair)  in fsl_asrc_dma_shutdown()
398 	asrc = pair->asrc;  in fsl_asrc_dma_shutdown()
400 	if (asrc->pair[pair->index] == pair)  in fsl_asrc_dma_shutdown()
401 		asrc->pair[pair->index] = NULL;  in fsl_asrc_dma_shutdown()
403 	kfree(pair);  in fsl_asrc_dma_shutdown()
413 	struct fsl_asrc_pair *pair = runtime->private_data;  in fsl_asrc_dma_pcm_pointer()  local
415 	return bytes_to_frames(substream->runtime, pair->pos);  in fsl_asrc_dma_pcm_pointer()