83 	struct dma_chan		chan;  member
106 static struct device *chan2dev(struct dma_chan *chan)  in chan2dev()  argument
108 	return &chan->dev->device;  in chan2dev()
110 static struct device *chan2dmadev(struct dma_chan *chan)  in chan2dmadev()  argument
112 	return chan2dev(chan)->parent->parent;  in chan2dmadev()
117 	int id = td_chan->chan.chan_id;  in tdchantotd()
125 	int id = td_chan->chan.chan_id;  in __td_enable_chan_irq()
132 	dev_dbg(chan2dev(&td_chan->chan), "Enabling irq: %d, IER: 0x%x\n", id,  in __td_enable_chan_irq()
140 	int id = td_chan->chan.chan_id;  in __td_dma_done_ack()
146 	dev_dbg(chan2dev(&td_chan->chan), "Checking irq: %d, td: %p\n", id, td);  in __td_dma_done_ack()
161 		dev_err(chan2dev(&td_chan->chan), "Too big sg element\n");  in td_fill_desc()
167 		dev_err(chan2dev(&td_chan->chan), "Incorrect length: %d\n",  in td_fill_desc()
172 	dev_dbg(chan2dev(&td_chan->chan), "desc: %p, addr: 0x%llx\n",  in td_fill_desc()
195 		dev_err(chan2dev(&td_chan->chan),  in __td_start_dma()
203 	dev_dbg(chan2dev(&td_chan->chan),  in __td_start_dma()
205 		td_chan, td_chan->chan.chan_id, td_chan->membase);  in __td_start_dma()
246 	dev_dbg(chan2dev(&td_chan->chan), "descriptor %u complete\n",  in __td_finish()
302 	dev_dbg(chan2dev(&td_chan->chan), "%s: started %u\n",  in __td_start_next()
313 	struct timb_dma_chan *td_chan = container_of(txd->chan,  in td_tx_submit()
314 		struct timb_dma_chan, chan);  in td_tx_submit()
321 		dev_dbg(chan2dev(txd->chan), "%s: started %u\n", __func__,  in td_tx_submit()
326 		dev_dbg(chan2dev(txd->chan), "tx_submit: queued %u\n",  in td_tx_submit()
339 	struct dma_chan *chan = &td_chan->chan;  in td_alloc_init_desc()  local
345 		dev_err(chan2dev(chan), "Failed to alloc descriptor\n");  in td_alloc_init_desc()
353 		dev_err(chan2dev(chan), "Failed to alloc descriptor\n");  in td_alloc_init_desc()
357 	dma_async_tx_descriptor_init(&td_desc->txd, chan);  in td_alloc_init_desc()
361 	td_desc->txd.phys = dma_map_single(chan2dmadev(chan),  in td_alloc_init_desc()
364 	err = dma_mapping_error(chan2dmadev(chan), td_desc->txd.phys);  in td_alloc_init_desc()
366 		dev_err(chan2dev(chan), "DMA mapping error: %d\n", err);  in td_alloc_init_desc()
381 	dev_dbg(chan2dev(td_desc->txd.chan), "Freeing desc: %p\n", td_desc);  in td_free_desc()
382 	dma_unmap_single(chan2dmadev(td_desc->txd.chan), td_desc->txd.phys,  in td_free_desc()
392 	dev_dbg(chan2dev(&td_chan->chan), "Putting desc: %p\n", td_desc);  in td_desc_put()
412 		dev_dbg(chan2dev(&td_chan->chan), "desc %p not ACKed\n",  in td_desc_get()
420 static int td_alloc_chan_resources(struct dma_chan *chan)  in td_alloc_chan_resources()  argument
423 		container_of(chan, struct timb_dma_chan, chan);  in td_alloc_chan_resources()
426 	dev_dbg(chan2dev(chan), "%s: entry\n", __func__);  in td_alloc_chan_resources()
435 				dev_err(chan2dev(chan),  in td_alloc_chan_resources()
445 	dma_cookie_init(chan);  in td_alloc_chan_resources()
451 static void td_free_chan_resources(struct dma_chan *chan)  in td_free_chan_resources()  argument
454 		container_of(chan, struct timb_dma_chan, chan);  in td_free_chan_resources()
458 	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);  in td_free_chan_resources()
469 		dev_dbg(chan2dev(chan), "%s: Freeing desc: %p\n", __func__,  in td_free_chan_resources()
475 static enum dma_status td_tx_status(struct dma_chan *chan, dma_cookie_t cookie,  in td_tx_status()  argument
480 	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);  in td_tx_status()
482 	ret = dma_cookie_status(chan, cookie, txstate);  in td_tx_status()
484 	dev_dbg(chan2dev(chan), "%s: exit, ret: %d\n", 	__func__, ret);  in td_tx_status()
489 static void td_issue_pending(struct dma_chan *chan)  in td_issue_pending()  argument
492 		container_of(chan, struct timb_dma_chan, chan);  in td_issue_pending()
494 	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);  in td_issue_pending()
508 static struct dma_async_tx_descriptor *td_prep_slave_sg(struct dma_chan *chan,  in td_prep_slave_sg()  argument
514 		container_of(chan, struct timb_dma_chan, chan);  in td_prep_slave_sg()
521 		dev_err(chan2dev(chan), "%s: No SG list\n", __func__);  in td_prep_slave_sg()
527 		dev_err(chan2dev(chan),  in td_prep_slave_sg()
534 		dev_err(chan2dev(chan), "Not enough descriptors available\n");  in td_prep_slave_sg()
543 			dev_err(chan2dev(chan), "No descriptor space\n");  in td_prep_slave_sg()
550 			dev_err(chan2dev(chan), "Failed to update desc: %d\n",  in td_prep_slave_sg()
558 	dma_sync_single_for_device(chan2dmadev(chan), td_desc->txd.phys,  in td_prep_slave_sg()
564 static int td_terminate_all(struct dma_chan *chan)  in td_terminate_all()  argument
567 		container_of(chan, struct timb_dma_chan, chan);  in td_terminate_all()
570 	dev_dbg(chan2dev(chan), "%s: Entry\n", __func__);  in td_terminate_all()
714 		td_chan->chan.device = &td->dma;  in td_probe()
715 		dma_cookie_init(&td_chan->chan);  in td_probe()
734 		list_add_tail(&td_chan->chan.device_node, &td->dma.channels);  in td_probe()