122 	struct jz4740_dma_desc *desc;  member
280 	chan->desc = NULL;  in jz4740_dma_terminate_all()
299 	if (!chan->desc) {  in jz4740_dma_start_transfer()
303 		chan->desc = to_jz4740_dma_desc(vdesc);  in jz4740_dma_start_transfer()
307 	if (chan->next_sg == chan->desc->num_sgs)  in jz4740_dma_start_transfer()
310 	sg = &chan->desc->sg[chan->next_sg];  in jz4740_dma_start_transfer()
312 	if (chan->desc->direction == DMA_MEM_TO_DEV) {  in jz4740_dma_start_transfer()
341 	if (chan->desc) {  in jz4740_dma_chan_irq()
342 		if (chan->desc->cyclic) {  in jz4740_dma_chan_irq()
343 			vchan_cyclic_callback(&chan->desc->vdesc);  in jz4740_dma_chan_irq()
345 			if (chan->next_sg == chan->desc->num_sgs) {  in jz4740_dma_chan_irq()
346 				list_del(&chan->desc->vdesc.node);  in jz4740_dma_chan_irq()
347 				vchan_cookie_complete(&chan->desc->vdesc);  in jz4740_dma_chan_irq()
348 				chan->desc = NULL;  in jz4740_dma_chan_irq()
384 	if (vchan_issue_pending(&chan->vchan) && !chan->desc)  in jz4740_dma_issue_pending()
395 	struct jz4740_dma_desc *desc;  in jz4740_dma_prep_slave_sg()  local
399 	desc = jz4740_dma_alloc_desc(sg_len);  in jz4740_dma_prep_slave_sg()
400 	if (!desc)  in jz4740_dma_prep_slave_sg()
404 		desc->sg[i].addr = sg_dma_address(sg);  in jz4740_dma_prep_slave_sg()
405 		desc->sg[i].len = sg_dma_len(sg);  in jz4740_dma_prep_slave_sg()
408 	desc->num_sgs = sg_len;  in jz4740_dma_prep_slave_sg()
409 	desc->direction = direction;  in jz4740_dma_prep_slave_sg()
410 	desc->cyclic = false;  in jz4740_dma_prep_slave_sg()
412 	return vchan_tx_prep(&chan->vchan, &desc->vdesc, flags);  in jz4740_dma_prep_slave_sg()
421 	struct jz4740_dma_desc *desc;  in jz4740_dma_prep_dma_cyclic()  local
429 	desc = jz4740_dma_alloc_desc(num_periods);  in jz4740_dma_prep_dma_cyclic()
430 	if (!desc)  in jz4740_dma_prep_dma_cyclic()
434 		desc->sg[i].addr = buf_addr;  in jz4740_dma_prep_dma_cyclic()
435 		desc->sg[i].len = period_len;  in jz4740_dma_prep_dma_cyclic()
439 	desc->num_sgs = num_periods;  in jz4740_dma_prep_dma_cyclic()
440 	desc->direction = direction;  in jz4740_dma_prep_dma_cyclic()
441 	desc->cyclic = true;  in jz4740_dma_prep_dma_cyclic()
443 	return vchan_tx_prep(&chan->vchan, &desc->vdesc, flags);  in jz4740_dma_prep_dma_cyclic()
447 	struct jz4740_dma_desc *desc, unsigned int next_sg)  in jz4740_dma_desc_residue()  argument
455 	for (i = next_sg; i < desc->num_sgs; i++)  in jz4740_dma_desc_residue()
456 		residue += desc->sg[i].len;  in jz4740_dma_desc_residue()
481 	if (cookie == chan->desc->vdesc.tx.cookie) {  in jz4740_dma_tx_status()
482 		state->residue = jz4740_dma_desc_residue(chan, chan->desc,  in jz4740_dma_tx_status()