lvds_read
lvds->hw_version = lvds_read(lvds, LVDS_VERR);
lvds_write(lvds, reg, lvds_read(lvds, reg) | mask);
lvds_write(lvds, reg, lvds_read(lvds, reg) & ~mask);
val = lvds_read(lvds, lvds->primary->base + lvds->primary->ofs.PLLCR2);
mdiv = (unsigned int)lvds_read(lvds,