video: dw_hdmi: Add Vendor PHY handling

DW HDMI support Vendor PHY like Rockchip RK3328 Inno HDMI PHY.

Extend the vendor phy handling by adding platform phy hooks.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>

5 files changed, 26 insertions, 5 deletions

diff --git a/drivers/video/dw_hdmi.c b/drivers/video/dw_hdmi.c
index c4fbb182944..4914ba61464 100644
--- a/drivers/video/dw_hdmi.c
+++ b/drivers/video/dw_hdmi.c
@@ -988,7 +988,7 @@ int dw_hdmi_enable(struct dw_hdmi *hdmi, const struct display_timing *edid)
 
 	hdmi_av_composer(hdmi, edid);
 
-	ret = hdmi->phy_set(hdmi, edid->pixelclock.typ);
+	ret = hdmi->ops->phy_set(hdmi, edid->pixelclock.typ);
 	if (ret)
 		return ret;
 
@@ -1009,10 +1009,18 @@ int dw_hdmi_enable(struct dw_hdmi *hdmi, const struct display_timing *edid)
 	return 0;
 }
 
+static const struct dw_hdmi_phy_ops dw_hdmi_synopsys_phy_ops = {
+	.phy_set = dw_hdmi_phy_cfg,
+};
+
 void dw_hdmi_init(struct dw_hdmi *hdmi)
 {
 	uint ih_mute;
 
+	/* hook Synopsys PHYs ops */
+	if (!hdmi->ops)
+		hdmi->ops = &dw_hdmi_synopsys_phy_ops;
+
 	/*
 	 * boot up defaults are:
 	 * hdmi_ih_mute   = 0x03 (disabled)
diff --git a/drivers/video/meson/meson_dw_hdmi.c b/drivers/video/meson/meson_dw_hdmi.c
index 5db01904b53..259af1b4571 100644
--- a/drivers/video/meson/meson_dw_hdmi.c
+++ b/drivers/video/meson/meson_dw_hdmi.c
@@ -375,6 +375,10 @@ static int meson_dw_hdmi_wait_hpd(struct dw_hdmi *hdmi)
 	return -ETIMEDOUT;
 }
 
+static const struct dw_hdmi_phy_ops dw_hdmi_meson_phy_ops = {
+	.phy_set = meson_dw_hdmi_phy_init,
+};
+
 static int meson_dw_hdmi_probe(struct udevice *dev)
 {
 	struct meson_dw_hdmi *priv = dev_get_priv(dev);
@@ -397,7 +401,7 @@ static int meson_dw_hdmi_probe(struct udevice *dev)
 
 	priv->hdmi.hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
 	priv->hdmi.hdmi_data.enc_in_bus_format = MEDIA_BUS_FMT_YUV8_1X24;
-	priv->hdmi.phy_set = meson_dw_hdmi_phy_init;
+	priv->hdmi.ops = &dw_hdmi_meson_phy_ops;
 	if (meson_hdmi_is_compatible(priv, HDMI_COMPATIBLE_G12A))
 		priv->hdmi.reg_io_width = 1;
 	else {
diff --git a/drivers/video/rockchip/rk_hdmi.c b/drivers/video/rockchip/rk_hdmi.c
index 9f907d9f015..84b6a7ebcf1 100644
--- a/drivers/video/rockchip/rk_hdmi.c
+++ b/drivers/video/rockchip/rk_hdmi.c
@@ -89,7 +89,6 @@ int rk_hdmi_of_to_plat(struct udevice *dev)
 	/* hdmi->i2c_clk_{high,low} are set up by the SoC driver */
 
 	hdmi->reg_io_width = 4;
-	hdmi->phy_set = dw_hdmi_phy_cfg;
 
 	priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
 
diff --git a/drivers/video/sunxi/sunxi_dw_hdmi.c b/drivers/video/sunxi/sunxi_dw_hdmi.c
index 0324a050d03..986e69d66b1 100644
--- a/drivers/video/sunxi/sunxi_dw_hdmi.c
+++ b/drivers/video/sunxi/sunxi_dw_hdmi.c
@@ -369,6 +369,10 @@ static int sunxi_dw_hdmi_probe(struct udevice *dev)
 	return 0;
 }
 
+static const struct dw_hdmi_phy_ops dw_hdmi_sunxi_phy_ops = {
+	.phy_set = sunxi_dw_hdmi_phy_cfg,
+};
+
 static int sunxi_dw_hdmi_of_to_plat(struct udevice *dev)
 {
 	struct sunxi_dw_hdmi_priv *priv = dev_get_priv(dev);
@@ -379,7 +383,7 @@ static int sunxi_dw_hdmi_of_to_plat(struct udevice *dev)
 	hdmi->i2c_clk_high = 0xd8;
 	hdmi->i2c_clk_low = 0xfe;
 	hdmi->reg_io_width = 1;
-	hdmi->phy_set = sunxi_dw_hdmi_phy_cfg;
+	hdmi->ops = &dw_hdmi_sunxi_phy_ops;
 
 	ret = reset_get_bulk(dev, &priv->resets);
 	if (ret)
diff --git a/include/dw_hdmi.h b/include/dw_hdmi.h
index 8acae3839fb..17bdd2dbf9e 100644
--- a/include/dw_hdmi.h
+++ b/include/dw_hdmi.h
@@ -534,6 +534,12 @@ struct hdmi_data_info {
 	struct hdmi_vmode video_mode;
 };
 
+struct dw_hdmi;
+
+struct dw_hdmi_phy_ops {
+	int (*phy_set)(struct dw_hdmi *hdmi, uint mpixelclock);
+};
+
 struct dw_hdmi {
 	ulong ioaddr;
 	const struct hdmi_mpll_config *mpll_cfg;
@@ -543,8 +549,8 @@ struct dw_hdmi {
 	u8 reg_io_width;
 	struct hdmi_data_info hdmi_data;
 	struct udevice *ddc_bus;
+	const struct dw_hdmi_phy_ops *ops;
 
-	int (*phy_set)(struct dw_hdmi *hdmi, uint mpixelclock);
 	void (*write_reg)(struct dw_hdmi *hdmi, u8 val, int offset);
 	u8 (*read_reg)(struct dw_hdmi *hdmi, int offset);
 };