DMA_CMD
dma_cmd = reg_read(dev, DMA_CMD);
reg_write(dev, DMA_CMD, dma_cmd & ~0xff00);
reg_write(dev, DMA_CMD, dma_cmd);
u32 dma_cmd = reg_read(dev, DMA_CMD);
reg_write(dev, DMA_CMD, dev->pending_dma_cmd);
dma_cmd = reg_read(dev, DMA_CMD);
reg_write(dev, DMA_CMD, dma_cmd & ~ch_mask);
reg_write(dev, DMA_CMD, 0);
u32 dma_cmd = reg_read(dev, DMA_CMD);
dma_desc = &fbi->dma_buff->dma_desc[DMA_CMD];
dma_desc_off = offsetof(struct pxafb_dma_buff, dma_desc[DMA_CMD]);
fbi->fdadr[DMA_CMD] = dma_desc->fdadr;