S_DMA
{ S_IDLE, S_DMA, S_DMA, S_DMA, S_DMA, S_DMA, S_IDLE, S_DMA } /* dmaActv */
case S_DMA:
ata_drvp->ad_state = S_DMA;
(state == S_DMA) ? TRUE : FALSE);
(state == S_DMA) ? TRUE : FALSE);