hdmi_map_reg
return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
reg_id = hdmi_map_reg(hdata, reg_id);
for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4)
reg_id = hdmi_map_reg(hdata, reg_id);