sun6idma_channel
struct sun6idma_channel *sc_chan;
struct sun6idma_channel *ch = NULL;
struct sun6idma_channel *ch = priv;
struct sun6idma_channel *ch = priv;
struct sun6idma_channel *ch = priv;
struct sun6idma_channel *ch = &sc->sc_chan[index];
struct sun6idma_channel *ch = &sc->sc_chan[index];