/* register offset define */
#define FANCTRL_RPM_REG         0x1a
#define FANCTRL_MODE_REG        0x1b
#define FAN_STAT_REG            0x00
#define FAN_POWER_REG           0x01
#define FAN_PRESENT_REG         0x02
#define BMC_FAN_STAT_REG        0x80
#define BMC_FAN_POWER_REG       0x81
#define BMC_FAN_PRESENT_REG     0x82
#define FAN_F_RPM_REG           0xa0
#define FAN_R_RPM_REG           0xb0
/* end of register offset define */