134 	return container_of(c, struct bcm2835_chan, vc.chan);  in to_bcm2835_dma_chan()
146 	dma_free_coherent(desc->vd.tx.chan->device->dev,  in bcm2835_dma_desc_free()
232 static int bcm2835_dma_alloc_chan_resources(struct dma_chan *chan)  in bcm2835_dma_alloc_chan_resources()  argument
234 	struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);  in bcm2835_dma_alloc_chan_resources()
236 	dev_dbg(c->vc.chan.device->dev,  in bcm2835_dma_alloc_chan_resources()
243 static void bcm2835_dma_free_chan_resources(struct dma_chan *chan)  in bcm2835_dma_free_chan_resources()  argument
245 	struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);  in bcm2835_dma_free_chan_resources()
250 	dev_dbg(c->vc.chan.device->dev, "Freeing DMA channel %u\n", c->ch);  in bcm2835_dma_free_chan_resources()
283 static enum dma_status bcm2835_dma_tx_status(struct dma_chan *chan,  in bcm2835_dma_tx_status()  argument
286 	struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);  in bcm2835_dma_tx_status()
291 	ret = dma_cookie_status(chan, cookie, txstate);  in bcm2835_dma_tx_status()
321 static void bcm2835_dma_issue_pending(struct dma_chan *chan)  in bcm2835_dma_issue_pending()  argument
323 	struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);  in bcm2835_dma_issue_pending()
336 	struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,  in bcm2835_dma_prep_dma_cyclic()  argument
340 	struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);  in bcm2835_dma_prep_dma_cyclic()
349 		dev_err(chan->device->dev, "%s: bad direction?\n", __func__);  in bcm2835_dma_prep_dma_cyclic()
382 	d->control_block_base = dma_zalloc_coherent(chan->device->dev,  in bcm2835_dma_prep_dma_cyclic()
439 static int bcm2835_dma_slave_config(struct dma_chan *chan,  in bcm2835_dma_slave_config()  argument
442 	struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);  in bcm2835_dma_slave_config()
457 static int bcm2835_dma_terminate_all(struct dma_chan *chan)  in bcm2835_dma_terminate_all()  argument
459 	struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);  in bcm2835_dma_terminate_all()
460 	struct bcm2835_dmadev *d = to_bcm2835_dma_dev(c->vc.chan.device);  in bcm2835_dma_terminate_all()
526 				 vc.chan.device_node) {  in bcm2835_dma_free()
527 		list_del(&c->vc.chan.device_node);  in bcm2835_dma_free()
542 	struct dma_chan *chan;  in bcm2835_dma_xlate()  local
544 	chan = dma_get_any_slave_channel(&d->ddev);  in bcm2835_dma_xlate()
545 	if (!chan)  in bcm2835_dma_xlate()
549 	to_bcm2835_dma_chan(chan)->dreq = spec->args[0];  in bcm2835_dma_xlate()
551 	return chan;  in bcm2835_dma_xlate()