LAS0_ADC
status = readl(dev->mmio + LAS0_ADC);
writew(0, dev->mmio + LAS0_ADC);
fifo_status = readl(dev->mmio + LAS0_ADC);
status = readl(dev->mmio + LAS0_ADC);
writew(0, dev->mmio + LAS0_ADC);
fifo_status = readl(dev->mmio + LAS0_ADC);
fifo_status = readl(dev->mmio + LAS0_ADC);