1677 	struct sbus_dma_info *base = &dma_cont->sbus_info;  in sbus_dma_request()  local
1681 	spin_lock_irqsave(&base->lock, flags);  in sbus_dma_request()
1682 	csr = sbus_readl(base->regs + APCCSR);  in sbus_dma_request()
1685 	if (base->dir == APC_PLAY)  in sbus_dma_request()
1691 	if (base->dir == APC_PLAY)  in sbus_dma_request()
1696 	sbus_writel(bus_addr, base->regs + base->dir + APCNVA);  in sbus_dma_request()
1697 	sbus_writel(len, base->regs + base->dir + APCNC);  in sbus_dma_request()
1699 	spin_unlock_irqrestore(&base->lock, flags);  in sbus_dma_request()
1707 	struct sbus_dma_info *base = &dma_cont->sbus_info;  in sbus_dma_prepare()  local
1709 	spin_lock_irqsave(&base->lock, flags);  in sbus_dma_prepare()
1710 	csr = sbus_readl(base->regs + APCCSR);  in sbus_dma_prepare()
1714 	if (base->dir == APC_RECORD)  in sbus_dma_prepare()
1718 	sbus_writel(csr, base->regs + APCCSR);  in sbus_dma_prepare()
1719 	spin_unlock_irqrestore(&base->lock, flags);  in sbus_dma_prepare()
1726 	struct sbus_dma_info *base = &dma_cont->sbus_info;  in sbus_dma_enable()  local
1728 	spin_lock_irqsave(&base->lock, flags);  in sbus_dma_enable()
1730 		sbus_writel(0, base->regs + base->dir + APCNC);  in sbus_dma_enable()
1731 		sbus_writel(0, base->regs + base->dir + APCNVA);  in sbus_dma_enable()
1732 		if (base->dir == APC_PLAY) {  in sbus_dma_enable()
1733 			sbus_writel(0, base->regs + base->dir + APCC);  in sbus_dma_enable()
1734 			sbus_writel(0, base->regs + base->dir + APCVA);  in sbus_dma_enable()
1739 	csr = sbus_readl(base->regs + APCCSR);  in sbus_dma_enable()
1741 	if (base->dir == APC_PLAY)  in sbus_dma_enable()
1747 	sbus_writel(csr, base->regs + APCCSR);  in sbus_dma_enable()
1752 	sbus_writel(csr, base->regs + APCCSR);  in sbus_dma_enable()
1754 	spin_unlock_irqrestore(&base->lock, flags);  in sbus_dma_enable()
1759 	struct sbus_dma_info *base = &dma_cont->sbus_info;  in sbus_dma_addr()  local
1761 	return sbus_readl(base->regs + base->dir + APCVA);  in sbus_dma_addr()