CS4281PCI_DCR_MSK
going = !(cs4281_rd(sc, CS4281PCI_DCR(ch->dma_chan)) & CS4281PCI_DCR_MSK);
cs4281_clr4(sc, CS4281PCI_DCR(ch->dma_chan), CS4281PCI_DCR_MSK);
cs4281_set4(sc, CS4281PCI_DCR(ch->dma_chan), CS4281PCI_DCR_MSK);
CS4281PCI_DCR_TCIE | CS4281PCI_DCR_HTCIE | CS4281PCI_DCR_MSK);
CS4281PCI_DCR_TCIE | CS4281PCI_DCR_HTCIE | CS4281PCI_DCR_MSK);