+static void dw_hdmi_reg_initial(struct dw_hdmi *hdmi)
+{
+ if (hdmi_readb(hdmi, HDMI_IH_MUTE)) {
+ initialize_hdmi_ih_mutes(hdmi);
+ hdmi_writeb(hdmi, HDMI_PHY_I2CM_INT_ADDR_DONE_POL,
+ HDMI_PHY_I2CM_INT_ADDR);
+
+ hdmi_writeb(hdmi, HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL |
+ HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL,
+ HDMI_PHY_I2CM_CTLINT_ADDR);
+
+ hdmi_writeb(hdmi, HDMI_PHY_HPD | HDMI_PHY_RX_SENSE,
+ HDMI_PHY_POL0);
+ hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0);
+ hdmi_writeb(hdmi, ~(HDMI_IH_PHY_STAT0_HPD |
+ HDMI_IH_PHY_STAT0_RX_SENSE),
+ HDMI_IH_MUTE_PHY_STAT0);
+ }
+}
+
+void dw_hdmi_suspend(struct device *dev)
+{
+ struct dw_hdmi *hdmi = dev_get_drvdata(dev);
+
+ mutex_lock(&hdmi->mutex);
+ if (hdmi->irq)
+ disable_irq(hdmi->irq);
+ mutex_unlock(&hdmi->mutex);
+}
+EXPORT_SYMBOL_GPL(dw_hdmi_suspend);
+
+void dw_hdmi_resume(struct device *dev)
+{
+ struct dw_hdmi *hdmi = dev_get_drvdata(dev);
+
+ mutex_lock(&hdmi->mutex);
+ dw_hdmi_reg_initial(hdmi);
+ if (hdmi->irq)
+ enable_irq(hdmi->irq);
+ mutex_unlock(&hdmi->mutex);
+}
+EXPORT_SYMBOL_GPL(dw_hdmi_resume);
+