CHAN_MASK
writel_relaxed(CHAN_MASK(A9_SOURCE),
writel_relaxed(CHAN_MASK(M3_SOURCE),
writel_relaxed(CHAN_MASK(M3_SOURCE) | CHAN_MASK(A9_SOURCE),
writel_relaxed(CHAN_MASK(M3_SOURCE),
writel_relaxed(CHAN_MASK(A9_SOURCE),
writel_relaxed(CHAN_MASK(M3_SOURCE) | CHAN_MASK(A9_SOURCE),
is_enabled = ret & (CHAN_MASK(chan0) | CHAN_MASK(chan1));
val |= CHAN_MASK(chan0);
val |= CHAN_MASK(chan1);
val &= ~CHAN_MASK(chan0);
val &= ~CHAN_MASK(chan1);