IPW_REG_INDIRECT_ACCESS_DATA
read_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
write_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
read_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
write_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
IPW_REG_INDIRECT_ACCESS_DATA + i,
write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA + i,
IPW_REG_INDIRECT_ACCESS_DATA + i,
read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA + i, buf);