151 static inline uint32_t jz4740_dma_read(struct jz4740_dma_dev *dmadev,  in jz4740_dma_read()  argument
154 	return readl(dmadev->base + reg);  in jz4740_dma_read()
157 static inline void jz4740_dma_write(struct jz4740_dma_dev *dmadev,  in jz4740_dma_write()  argument
160 	writel(val, dmadev->base + reg);  in jz4740_dma_write()
163 static inline void jz4740_dma_write_mask(struct jz4740_dma_dev *dmadev,  in jz4740_dma_write_mask()  argument
168 	tmp = jz4740_dma_read(dmadev, reg);  in jz4740_dma_write_mask()
171 	jz4740_dma_write(dmadev, reg, tmp);  in jz4740_dma_write_mask()
212 	struct jz4740_dma_dev *dmadev = jz4740_dma_chan_get_dev(chan);  in jz4740_dma_slave_config()  local
262 	jz4740_dma_write(dmadev, JZ_REG_DMA_CMD(chan->id), cmd);  in jz4740_dma_slave_config()
263 	jz4740_dma_write(dmadev, JZ_REG_DMA_STATUS_CTRL(chan->id), 0);  in jz4740_dma_slave_config()
264 	jz4740_dma_write(dmadev, JZ_REG_DMA_REQ_TYPE(chan->id),  in jz4740_dma_slave_config()
273 	struct jz4740_dma_dev *dmadev = jz4740_dma_chan_get_dev(chan);  in jz4740_dma_terminate_all()  local
278 	jz4740_dma_write_mask(dmadev, JZ_REG_DMA_STATUS_CTRL(chan->id), 0,  in jz4740_dma_terminate_all()
291 	struct jz4740_dma_dev *dmadev = jz4740_dma_chan_get_dev(chan);  in jz4740_dma_start_transfer()  local
296 	jz4740_dma_write_mask(dmadev, JZ_REG_DMA_STATUS_CTRL(chan->id), 0,  in jz4740_dma_start_transfer()
319 	jz4740_dma_write(dmadev, JZ_REG_DMA_SRC_ADDR(chan->id), src_addr);  in jz4740_dma_start_transfer()
320 	jz4740_dma_write(dmadev, JZ_REG_DMA_DST_ADDR(chan->id), dst_addr);  in jz4740_dma_start_transfer()
321 	jz4740_dma_write(dmadev, JZ_REG_DMA_TRANSFER_COUNT(chan->id),  in jz4740_dma_start_transfer()
326 	jz4740_dma_write_mask(dmadev, JZ_REG_DMA_STATUS_CTRL(chan->id),  in jz4740_dma_start_transfer()
331 	jz4740_dma_write_mask(dmadev, JZ_REG_DMA_CTRL,  in jz4740_dma_start_transfer()
358 	struct jz4740_dma_dev *dmadev = devid;  in jz4740_dma_irq()  local
362 	irq_status = readl(dmadev->base + JZ_REG_DMA_IRQ);  in jz4740_dma_irq()
366 			jz4740_dma_write_mask(dmadev,  in jz4740_dma_irq()
371 			jz4740_dma_chan_irq(&dmadev->chan[i]);  in jz4740_dma_irq()
449 	struct jz4740_dma_dev *dmadev = jz4740_dma_chan_get_dev(chan);  in jz4740_dma_desc_residue()  local
459 		count = jz4740_dma_read(dmadev,  in jz4740_dma_desc_residue()
511 	struct jz4740_dma_dev *dmadev;  in jz4740_dma_probe()  local
518 	dmadev = devm_kzalloc(&pdev->dev, sizeof(*dmadev), GFP_KERNEL);  in jz4740_dma_probe()
519 	if (!dmadev)  in jz4740_dma_probe()
522 	dd = &dmadev->ddev;  in jz4740_dma_probe()
525 	dmadev->base = devm_ioremap_resource(&pdev->dev, res);  in jz4740_dma_probe()
526 	if (IS_ERR(dmadev->base))  in jz4740_dma_probe()
527 		return PTR_ERR(dmadev->base);  in jz4740_dma_probe()
529 	dmadev->clk = clk_get(&pdev->dev, "dma");  in jz4740_dma_probe()
530 	if (IS_ERR(dmadev->clk))  in jz4740_dma_probe()
531 		return PTR_ERR(dmadev->clk);  in jz4740_dma_probe()
533 	clk_prepare_enable(dmadev->clk);  in jz4740_dma_probe()
552 		chan = &dmadev->chan[i];  in jz4740_dma_probe()
563 	ret = request_irq(irq, jz4740_dma_irq, 0, dev_name(&pdev->dev), dmadev);  in jz4740_dma_probe()
567 	platform_set_drvdata(pdev, dmadev);  in jz4740_dma_probe()
578 	struct jz4740_dma_dev *dmadev = platform_get_drvdata(pdev);  in jz4740_dma_remove()  local
581 	free_irq(irq, dmadev);  in jz4740_dma_remove()
582 	dma_async_device_unregister(&dmadev->ddev);  in jz4740_dma_remove()
583 	clk_disable_unprepare(dmadev->clk);  in jz4740_dma_remove()