Lines Matching defs:dmactl
128 u8 dmactl;
131 dmactl = readb(mmio + ATA_DMA_CMD);
134 if (dmactl & ATA_DMA_START) {
135 dmactl &= ~ATA_DMA_START;
136 writeb(dmactl, mmio + ATA_DMA_CMD);
145 u8 dmactl;
148 dmactl = readb(mmio + ATA_DMA_CMD);
151 if (dmactl & ATA_DMA_START) {
152 dmactl &= ~ATA_DMA_START;
153 writeb(dmactl, mmio + ATA_DMA_CMD);
235 u8 dmactl;
243 dmactl = readb(mmio + ATA_DMA_CMD);
244 dmactl &= ~(ATA_DMA_WR | ATA_DMA_START);
246 dmactl |= ATA_DMA_WR;
247 writeb(dmactl, mmio + ATA_DMA_CMD);
266 u8 dmactl;
269 dmactl = readb(mmio + ATA_DMA_CMD);
270 writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD);