DMAMUX_INT_BIT
DMAMUX_INT_BIT(8, cpuid)
(DMAMUX_INT_BIT(chid, cpuid) | DMAMUX_INTEN_BIT(cpuid))
(DMAMUX_INT_BIT(chid, 0) | \
DMAMUX_INT_BIT(chid, 1) | \
DMAMUX_INT_BIT(chid, 2))