DAC960_BA_IDB_OFFSET
writeb(DAC960_BA_IDB_HWMBOX_NEW_CMD, base + DAC960_BA_IDB_OFFSET);
writeb(DAC960_BA_IDB_HWMBOX_ACK_STS, base + DAC960_BA_IDB_OFFSET);
writeb(DAC960_BA_IDB_CTRL_RESET, base + DAC960_BA_IDB_OFFSET);
writeb(DAC960_BA_IDB_MMBOX_NEW_CMD, base + DAC960_BA_IDB_OFFSET);
val = readb(base + DAC960_BA_IDB_OFFSET);
val = readb(base + DAC960_BA_IDB_OFFSET);