awusbdrd_reg
return (bus_space_read_1(bs_parent_space(bs), h, awusbdrd_reg(o)));
return bus_space_read_2(bs_parent_space(bs), h, awusbdrd_reg(o));
bus_space_write_1(bs_parent_space(bs), h, awusbdrd_reg(o), v);
bus_space_write_2(bs_parent_space(bs), h, awusbdrd_reg(o), v);
bus_space_read_multi_1(bs_parent_space(bs), h, awusbdrd_reg(o), d, c);
bus_space_read_multi_4(bs_parent_space(bs), h, awusbdrd_reg(o), d, c);
bus_space_write_multi_1(bs_parent_space(bs), h, awusbdrd_reg(o), d, c);
bus_space_write_multi_4(bs_parent_space(bs), h, awusbdrd_reg(o), d, c);