DAC960_PD_IDB_OFFSET
writeb(DAC960_PD_IDB_HWMBOX_NEW_CMD, base + DAC960_PD_IDB_OFFSET);
writeb(DAC960_PD_IDB_HWMBOX_ACK_STS, base + DAC960_PD_IDB_OFFSET);
writeb(DAC960_PD_IDB_CTRL_RESET, base + DAC960_PD_IDB_OFFSET);
unsigned char idb = readb(base + DAC960_PD_IDB_OFFSET);
unsigned char idb = readb(base + DAC960_PD_IDB_OFFSET);