pmac_i2c_read
return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_read, 0, 0,
return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_read, 1, subaddr,
0xd0 | pmac_i2c_read,
pmac_tb_pulsar_addr | pmac_i2c_read,