THC_I2C_IC_TAR_OFFSET
THC_I2C_IC_TAR_OFFSET,
ret = thc_i2c_subip_pio_read(dev, THC_I2C_IC_TAR_OFFSET, &read_size, &val);
ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_TAR_OFFSET, sizeof(u32), &val);