[PATCH 02/17] video: dw_hdmi: Add Vendor PHY handling
Jagan Teki
jagan at amarulasolutions.com
Mon Dec 11 09:59:24 CET 2023
From: Jagan Teki <jagan at edgeble.ai>
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 at edgeble.ai>
---
drivers/video/dw_hdmi.c | 29 +++++++++++++++++++++++++++-
drivers/video/meson/meson_dw_hdmi.c | 11 ++++++++++-
drivers/video/rockchip/rk3399_hdmi.c | 8 +++++++-
drivers/video/rockchip/rk_hdmi.c | 2 +-
drivers/video/sunxi/sunxi_dw_hdmi.c | 11 ++++++++++-
include/dw_hdmi.h | 14 +++++++++++++-
6 files changed, 69 insertions(+), 6 deletions(-)
diff --git a/drivers/video/dw_hdmi.c b/drivers/video/dw_hdmi.c
index c4fbb18294..ea12a09407 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 +1009,37 @@ 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,
+};
+
+static void dw_hdmi_detect_phy(struct dw_hdmi *hdmi)
+{
+ if (!hdmi->data)
+ return;
+
+ /* hook Synopsys PHYs ops */
+ if (!hdmi->data->phy_force_vendor) {
+ hdmi->ops = &dw_hdmi_synopsys_phy_ops;
+ return;
+ }
+
+ /* Vendor HDMI PHYs must assign phy_ops in plat_data */
+ if (!hdmi->data->phy_ops) {
+ printf("Unsupported Vendor HDMI phy_ops\n");
+ return;
+ }
+
+ /* hook Vendor HDMI PHYs ops */
+ hdmi->ops = hdmi->data->phy_ops;
+}
+
void dw_hdmi_init(struct dw_hdmi *hdmi)
{
uint ih_mute;
+ dw_hdmi_detect_phy(hdmi);
+
/*
* 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 5db01904b5..63ca3ac52e 100644
--- a/drivers/video/meson/meson_dw_hdmi.c
+++ b/drivers/video/meson/meson_dw_hdmi.c
@@ -375,6 +375,15 @@ 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_cfg,
+};
+
+static const struct dw_hdmi_plat_data dw_hdmi_meson_plat_data = {
+ .phy_force_vendor = true,
+ .phy_ops = &dw_hdmi_meson_phy_ops,
+};
+
static int meson_dw_hdmi_probe(struct udevice *dev)
{
struct meson_dw_hdmi *priv = dev_get_priv(dev);
@@ -397,7 +406,7 @@ 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.data = &dw_hdmi_meson_plat_data;
if (meson_hdmi_is_compatible(priv, HDMI_COMPATIBLE_G12A))
priv->hdmi.reg_io_width = 1;
else {
diff --git a/drivers/video/rockchip/rk3399_hdmi.c b/drivers/video/rockchip/rk3399_hdmi.c
index 3041360c6e..b32139a8a6 100644
--- a/drivers/video/rockchip/rk3399_hdmi.c
+++ b/drivers/video/rockchip/rk3399_hdmi.c
@@ -64,8 +64,14 @@ static const struct dm_display_ops rk3399_hdmi_ops = {
.enable = rk3399_hdmi_enable,
};
+static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = {
+};
+
static const struct udevice_id rk3399_hdmi_ids[] = {
- { .compatible = "rockchip,rk3399-dw-hdmi" },
+ {
+ .compatible = "rockchip,rk3399-dw-hdmi",
+ .data = (ulong)&rk3399_hdmi_drv_data
+ },
{ }
};
diff --git a/drivers/video/rockchip/rk_hdmi.c b/drivers/video/rockchip/rk_hdmi.c
index b75a174489..e34f532cd6 100644
--- a/drivers/video/rockchip/rk_hdmi.c
+++ b/drivers/video/rockchip/rk_hdmi.c
@@ -83,6 +83,7 @@ int rk_hdmi_of_to_plat(struct udevice *dev)
struct rk_hdmi_priv *priv = dev_get_priv(dev);
struct dw_hdmi *hdmi = &priv->hdmi;
+ hdmi->data = (const struct dw_hdmi_plat_data *)dev_get_driver_data(dev);
hdmi->ioaddr = (ulong)dev_read_addr(dev);
hdmi->mpll_cfg = rockchip_mpll_cfg;
hdmi->phy_cfg = rockchip_phy_config;
@@ -90,7 +91,6 @@ 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 0324a050d0..4b67a1614e 100644
--- a/drivers/video/sunxi/sunxi_dw_hdmi.c
+++ b/drivers/video/sunxi/sunxi_dw_hdmi.c
@@ -369,6 +369,15 @@ 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 const struct dw_hdmi_plat_data dw_hdmi_sunxi_plat_data = {
+ .phy_force_vendor = true,
+ .phy_ops = &dw_hdmi_sunxi_phy_ops,
+};
+
static int sunxi_dw_hdmi_of_to_plat(struct udevice *dev)
{
struct sunxi_dw_hdmi_priv *priv = dev_get_priv(dev);
@@ -379,7 +388,7 @@ 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->data = &dw_hdmi_sunxi_plat_data;
ret = reset_get_bulk(dev, &priv->resets);
if (ret)
diff --git a/include/dw_hdmi.h b/include/dw_hdmi.h
index 8acae3839f..4ad8b39f84 100644
--- a/include/dw_hdmi.h
+++ b/include/dw_hdmi.h
@@ -534,6 +534,17 @@ 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_plat_data {
+ bool phy_force_vendor;
+ const struct dw_hdmi_phy_ops *phy_ops;
+};
+
struct dw_hdmi {
ulong ioaddr;
const struct hdmi_mpll_config *mpll_cfg;
@@ -543,8 +554,9 @@ struct dw_hdmi {
u8 reg_io_width;
struct hdmi_data_info hdmi_data;
struct udevice *ddc_bus;
+ const struct dw_hdmi_phy_ops *ops;
+ const struct dw_hdmi_plat_data *data;
- 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);
};
--
2.25.1
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