TIPMIC_INTR_MASK
tipmic_write_1(sc, TIPMIC_INTR_MASK, TIPMIC_INTR_MASK_ALL, I2C_F_POLL);
reg = tipmic_read_1(sc, TIPMIC_INTR_MASK, I2C_F_POLL);
tipmic_write_1(sc, TIPMIC_INTR_MASK, reg, I2C_F_POLL);
reg = tipmic_read_1(sc, TIPMIC_INTR_MASK, I2C_F_POLL);
tipmic_write_1(sc, TIPMIC_INTR_MASK, reg, I2C_F_POLL);