ZYD_CR_INTERRUPT
zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0);
zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK);
zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0);
if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT)