diff options
Diffstat (limited to 'drivers/gpu/drm/meson')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_dw_hdmi.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index a83d93078537..5565f7777529 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -106,6 +106,8 @@ #define HHI_HDMI_CLK_CNTL 0x1cc /* 0x73 */ #define HHI_HDMI_PHY_CNTL0 0x3a0 /* 0xe8 */ #define HHI_HDMI_PHY_CNTL1 0x3a4 /* 0xe9 */ +#define PHY_CNTL1_INIT 0x03900000 +#define PHY_INVERT BIT(17) #define HHI_HDMI_PHY_CNTL2 0x3a8 /* 0xea */ #define HHI_HDMI_PHY_CNTL3 0x3ac /* 0xeb */ #define HHI_HDMI_PHY_CNTL4 0x3b0 /* 0xec */ @@ -130,6 +132,8 @@ struct meson_dw_hdmi_data { unsigned int addr); void (*dwc_write)(struct meson_dw_hdmi *dw_hdmi, unsigned int addr, unsigned int data); + u32 cntl0_init; + u32 cntl1_init; }; struct meson_dw_hdmi { @@ -458,7 +462,9 @@ static void dw_hdmi_phy_disable(struct dw_hdmi *hdmi, DRM_DEBUG_DRIVER("\n"); - regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL0, 0); + /* Fallback to init mode */ + regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL1, dw_hdmi->data->cntl1_init); + regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL0, dw_hdmi->data->cntl0_init); } static enum drm_connector_status dw_hdmi_read_hpd(struct dw_hdmi *hdmi, @@ -576,11 +582,22 @@ static const struct regmap_config meson_dw_hdmi_regmap_config = { .fast_io = true, }; -static const struct meson_dw_hdmi_data meson_dw_hdmi_gx_data = { +static const struct meson_dw_hdmi_data meson_dw_hdmi_gxbb_data = { .top_read = dw_hdmi_top_read, .top_write = dw_hdmi_top_write, .dwc_read = dw_hdmi_dwc_read, .dwc_write = dw_hdmi_dwc_write, + .cntl0_init = 0x0, + .cntl1_init = PHY_CNTL1_INIT | PHY_INVERT, +}; + +static const struct meson_dw_hdmi_data meson_dw_hdmi_gxl_data = { + .top_read = dw_hdmi_top_read, + .top_write = dw_hdmi_top_write, + .dwc_read = dw_hdmi_dwc_read, + .dwc_write = dw_hdmi_dwc_write, + .cntl0_init = 0x0, + .cntl1_init = PHY_CNTL1_INIT, }; static const struct meson_dw_hdmi_data meson_dw_hdmi_g12a_data = { @@ -588,6 +605,8 @@ static const struct meson_dw_hdmi_data meson_dw_hdmi_g12a_data = { .top_write = dw_hdmi_g12a_top_write, .dwc_read = dw_hdmi_g12a_dwc_read, .dwc_write = dw_hdmi_g12a_dwc_write, + .cntl0_init = 0x000b4242, /* Bandgap */ + .cntl1_init = PHY_CNTL1_INIT, }; static void meson_dw_hdmi_init(struct meson_dw_hdmi *meson_dw_hdmi) @@ -626,18 +645,8 @@ static void meson_dw_hdmi_init(struct meson_dw_hdmi *meson_dw_hdmi) meson_dw_hdmi->data->top_write(meson_dw_hdmi, HDMITX_TOP_BIST_CNTL, BIT(12)); /* Setup PHY */ - regmap_update_bits(priv->hhi, HHI_HDMI_PHY_CNTL1, - 0xffff << 16, 0x0390 << 16); - - /* BIT_INVERT */ - if (dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxl-dw-hdmi") || - dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxm-dw-hdmi") || - dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-g12a-dw-hdmi")) - regmap_update_bits(priv->hhi, HHI_HDMI_PHY_CNTL1, - BIT(17), 0); - else - regmap_update_bits(priv->hhi, HHI_HDMI_PHY_CNTL1, - BIT(17), BIT(17)); + regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL1, meson_dw_hdmi->data->cntl1_init); + regmap_write(priv->hhi, HHI_HDMI_PHY_CNTL0, meson_dw_hdmi->data->cntl0_init); /* Enable HDMI-TX Interrupt */ meson_dw_hdmi->data->top_write(meson_dw_hdmi, HDMITX_TOP_INTR_STAT_CLR, @@ -848,11 +857,11 @@ static const struct dev_pm_ops meson_dw_hdmi_pm_ops = { static const struct of_device_id meson_dw_hdmi_of_table[] = { { .compatible = "amlogic,meson-gxbb-dw-hdmi", - .data = &meson_dw_hdmi_gx_data }, + .data = &meson_dw_hdmi_gxbb_data }, { .compatible = "amlogic,meson-gxl-dw-hdmi", - .data = &meson_dw_hdmi_gx_data }, + .data = &meson_dw_hdmi_gxl_data }, { .compatible = "amlogic,meson-gxm-dw-hdmi", - .data = &meson_dw_hdmi_gx_data }, + .data = &meson_dw_hdmi_gxl_data }, { .compatible = "amlogic,meson-g12a-dw-hdmi", .data = &meson_dw_hdmi_g12a_data }, { } |