Lines Matching refs:pair
46 struct fsl_asrc_pair *pair = runtime->private_data;
48 pair->pos += snd_pcm_lib_period_bytes(substream);
49 if (pair->pos >= snd_pcm_lib_buffer_bytes(substream))
50 pair->pos = 0;
60 struct fsl_asrc_pair *pair = runtime->private_data;
68 pair->pos = 0;
69 pair->desc[!dir] = dmaengine_prep_dma_cyclic(
70 pair->dma_chan[!dir], runtime->dma_addr,
74 if (!pair->desc[!dir]) {
79 pair->desc[!dir]->callback = fsl_asrc_dma_complete;
80 pair->desc[!dir]->callback_param = substream;
82 dmaengine_submit(pair->desc[!dir]);
85 pair->desc[dir] = dmaengine_prep_dma_cyclic(
86 pair->dma_chan[dir], 0xffff, 64, 64, DMA_DEV_TO_DEV, 0);
87 if (!pair->desc[dir]) {
92 dmaengine_submit(pair->desc[dir]);
101 struct fsl_asrc_pair *pair = runtime->private_data;
111 dma_async_issue_pending(pair->dma_chan[IN]);
112 dma_async_issue_pending(pair->dma_chan[OUT]);
117 dmaengine_terminate_all(pair->dma_chan[OUT]);
118 dmaengine_terminate_all(pair->dma_chan[IN]);
137 struct fsl_asrc_pair *pair = runtime->private_data;
140 struct fsl_asrc *asrc = pair->asrc;
142 enum asrc_pair_index index = pair->index;
177 pair->dma_chan[!dir] = asrc->get_dma_channel(pair, !dir);
178 if (!pair->dma_chan[!dir]) {
190 ret = dmaengine_slave_config(pair->dma_chan[!dir], &config_fe);
227 pair->dma_data.dma_request = tmp_data->dma_request;
232 tmp_chan = asrc->get_dma_channel(pair, dir);
234 pair->dma_data.dma_request2 = tmp_data->dma_request;
235 pair->dma_data.peripheral_type = tmp_data->peripheral_type;
236 pair->dma_data.priority = tmp_data->priority;
239 pair->dma_chan[dir] =
240 dma_request_channel(mask, filter, &pair->dma_data);
241 pair->req_dma_chan = true;
243 pair->dma_chan[dir] = tmp_chan;
245 pair->req_dma_chan = !be_chan;
248 if (!pair->dma_chan[dir]) {
281 ret = dmaengine_slave_config(pair->dma_chan[dir], &config_be);
284 if (pair->req_dma_chan)
285 dma_release_channel(pair->dma_chan[dir]);
299 struct fsl_asrc_pair *pair = runtime->private_data;
304 if (pair->dma_chan[!dir])
305 dma_release_channel(pair->dma_chan[!dir]);
308 if (pair->dma_chan[dir] && pair->req_dma_chan)
309 dma_release_channel(pair->dma_chan[dir]);
311 pair->dma_chan[!dir] = NULL;
312 pair->dma_chan[dir] = NULL;
326 struct fsl_asrc_pair *pair;
339 pair = kzalloc(sizeof(*pair) + asrc->pair_priv_size, GFP_KERNEL);
340 if (!pair)
343 pair->asrc = asrc;
344 pair->private = (void *)pair + sizeof(struct fsl_asrc_pair);
346 runtime->private_data = pair;
348 /* Request a dummy pair, which will be released later.
349 * Request pair function needs channel num as input, for this
350 * dummy pair, we just request "1" channel temporarily.
352 ret = asrc->request_pair(1, pair);
354 dev_err(dev, "failed to request asrc pair\n");
359 tmp_chan = asrc->get_dma_channel(pair, dir);
385 asrc->release_pair(pair);
389 kfree(pair);
398 struct fsl_asrc_pair *pair = runtime->private_data;
401 if (!pair)
404 asrc = pair->asrc;
406 if (asrc->pair[pair->index] == pair)
407 asrc->pair[pair->index] = NULL;
409 kfree(pair);
419 struct fsl_asrc_pair *pair = runtime->private_data;
421 return bytes_to_frames(substream->runtime, pair->pos);