252 					    struct sun6i_pchan *pchan)  in sun6i_dma_dump_chan_regs()  argument
263 		pchan->idx,  in sun6i_dma_dump_chan_regs()
265 		readl(pchan->base + DMA_CHAN_ENABLE),  in sun6i_dma_dump_chan_regs()
267 		readl(pchan->base + DMA_CHAN_PAUSE),  in sun6i_dma_dump_chan_regs()
269 		readl(pchan->base + DMA_CHAN_LLI_ADDR),  in sun6i_dma_dump_chan_regs()
271 		readl(pchan->base + DMA_CHAN_CUR_CFG),  in sun6i_dma_dump_chan_regs()
273 		readl(pchan->base + DMA_CHAN_CUR_SRC),  in sun6i_dma_dump_chan_regs()
275 		readl(pchan->base + DMA_CHAN_CUR_DST),  in sun6i_dma_dump_chan_regs()
277 		readl(pchan->base + DMA_CHAN_CUR_CNT),  in sun6i_dma_dump_chan_regs()
279 		readl(pchan->base + DMA_CHAN_CUR_PARA));  in sun6i_dma_dump_chan_regs()
349 static size_t sun6i_get_chan_size(struct sun6i_pchan *pchan)  in sun6i_get_chan_size()  argument
351 	struct sun6i_desc *txd = pchan->desc;  in sun6i_get_chan_size()
356 	pos = readl(pchan->base + DMA_CHAN_LLI_ADDR);  in sun6i_get_chan_size()
357 	bytes = readl(pchan->base + DMA_CHAN_CUR_CNT);  in sun6i_get_chan_size()
438 	struct sun6i_pchan *pchan = vchan->phy;  in sun6i_dma_start_desc()  local
441 	if (!pchan)  in sun6i_dma_start_desc()
445 		pchan->desc = NULL;  in sun6i_dma_start_desc()
446 		pchan->done = NULL;  in sun6i_dma_start_desc()
452 	pchan->desc = to_sun6i_desc(&desc->tx);  in sun6i_dma_start_desc()
453 	pchan->done = NULL;  in sun6i_dma_start_desc()
455 	sun6i_dma_dump_lli(vchan, pchan->desc->v_lli, pchan->desc->p_lli);  in sun6i_dma_start_desc()
457 	irq_reg = pchan->idx / DMA_IRQ_CHAN_NR;  in sun6i_dma_start_desc()
458 	irq_offset = pchan->idx % DMA_IRQ_CHAN_NR;  in sun6i_dma_start_desc()
468 	writel(pchan->desc->p_lli, pchan->base + DMA_CHAN_LLI_ADDR);  in sun6i_dma_start_desc()
469 	writel(DMA_CHAN_ENABLE_START, pchan->base + DMA_CHAN_ENABLE);  in sun6i_dma_start_desc()
472 	sun6i_dma_dump_chan_regs(sdev, pchan);  in sun6i_dma_start_desc()
481 	struct sun6i_pchan *pchan;  in sun6i_dma_tasklet()  local
488 		pchan = vchan->phy;  in sun6i_dma_tasklet()
490 		if (pchan && pchan->done) {  in sun6i_dma_tasklet()
496 					pchan->idx);  in sun6i_dma_tasklet()
500 				pchan->vchan = NULL;  in sun6i_dma_tasklet()
508 		pchan = &sdev->pchans[pchan_idx];  in sun6i_dma_tasklet()
510 		if (pchan->vchan || list_empty(&sdev->pending))  in sun6i_dma_tasklet()
521 		pchan->vchan = vchan;  in sun6i_dma_tasklet()
522 		vchan->phy = pchan;  in sun6i_dma_tasklet()
524 			pchan->idx, &vchan->vc);  in sun6i_dma_tasklet()
532 		pchan = sdev->pchans + pchan_idx;  in sun6i_dma_tasklet()
533 		vchan = pchan->vchan;  in sun6i_dma_tasklet()
546 	struct sun6i_pchan *pchan;  in sun6i_dma_interrupt()  local
561 			pchan = sdev->pchans + j;  in sun6i_dma_interrupt()
562 			vchan = pchan->vchan;  in sun6i_dma_interrupt()
565 					vchan_cyclic_callback(&pchan->desc->vd);  in sun6i_dma_interrupt()
568 					vchan_cookie_complete(&pchan->desc->vd);  in sun6i_dma_interrupt()
569 					pchan->done = pchan->desc;  in sun6i_dma_interrupt()
868 	struct sun6i_pchan *pchan = vchan->phy;  in sun6i_dma_pause()  local
872 	if (pchan) {  in sun6i_dma_pause()
874 		       pchan->base + DMA_CHAN_PAUSE);  in sun6i_dma_pause()
888 	struct sun6i_pchan *pchan = vchan->phy;  in sun6i_dma_resume()  local
895 	if (pchan) {  in sun6i_dma_resume()
897 		       pchan->base + DMA_CHAN_PAUSE);  in sun6i_dma_resume()
913 	struct sun6i_pchan *pchan = vchan->phy;  in sun6i_dma_terminate_all()  local
925 		if (pchan && pchan->desc) {  in sun6i_dma_terminate_all()
926 			struct virt_dma_desc *vd = &pchan->desc->vd;  in sun6i_dma_terminate_all()
935 	if (pchan) {  in sun6i_dma_terminate_all()
936 		writel(DMA_CHAN_ENABLE_STOP, pchan->base + DMA_CHAN_ENABLE);  in sun6i_dma_terminate_all()
937 		writel(DMA_CHAN_PAUSE_RESUME, pchan->base + DMA_CHAN_PAUSE);  in sun6i_dma_terminate_all()
940 		pchan->vchan = NULL;  in sun6i_dma_terminate_all()
941 		pchan->desc = NULL;  in sun6i_dma_terminate_all()
942 		pchan->done = NULL;  in sun6i_dma_terminate_all()
957 	struct sun6i_pchan *pchan = vchan->phy;  in sun6i_dma_tx_status()  local
977 	} else if (!pchan || !pchan->desc) {  in sun6i_dma_tx_status()
980 		bytes = sun6i_get_chan_size(pchan);  in sun6i_dma_tx_status()
1399 		struct sun6i_pchan *pchan = &sdc->pchans[i];  in sun6i_dma_probe()  local
1401 		pchan->idx = i;  in sun6i_dma_probe()
1402 		pchan->base = sdc->base + 0x100 + i * 0x40;  in sun6i_dma_probe()