static int dw_hdmi_setup(struct dw_hdmi *hdmi)
{
int ret;
dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n");
hdmi->hdmi_data.video_mode.mdvi = true;
hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709;
hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;
hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;
/* TODO: Get input format from IPU (via FB driver interface) */
hdmi->hdmi_data.enc_in_format = RGB;
hdmi->hdmi_data.enc_out_format = RGB;
hdmi->hdmi_data.enc_color_depth = 8;
hdmi->hdmi_data.pix_repet_factor = 0;
hdmi->hdmi_data.hdcp_enable = 0;
hdmi->hdmi_data.video_mode.mdataenablepolarity = true;
/* HDMI Initialization Step B.1 */
hdmi_av_composer(hdmi);
/* HDMI Initializateion Step B.2 */
ret = dw_hdmi_phy_init(hdmi);
if (ret)
return ret;
/* HDMI Initialization Step B.3 */
dw_hdmi_enable_video_path(hdmi);
hdmi_video_packetize(hdmi);
hdmi_video_csc(hdmi);
hdmi_video_sample(hdmi);
hdmi_tx_hdcp_config(hdmi);
dw_hdmi_clear_overflow(hdmi);
return 0;
}
static int meson_dw_hdmi_probe(struct udevice *dev)
{
struct meson_dw_hdmi *priv = dev_get_priv(dev);
struct reset_ctl_bulk resets;
struct clk_bulk clocks;
struct udevice *supply;
int ret;
priv->dev = dev;
priv->hdmi.ioaddr = (ulong)dev_remap_addr_index(dev, 0);
if (!priv->hdmi.ioaddr)
return -EINVAL;
priv->hhi_base = dev_remap_addr_index(dev, 1);
if (!priv->hhi_base)
return -EINVAL;
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.write_reg = dw_hdmi_dwc_write;
priv->hdmi.read_reg = dw_hdmi_dwc_read;
priv->hdmi.i2c_clk_high = 0x67;
priv->hdmi.i2c_clk_low = 0x78;
ret = device_get_supply_regulator(dev, "hdmi-supply", &supply);
if (ret)
return ret;
ret = regulator_set_enable(supply, true);
if (ret)
return ret;
ret = reset_get_bulk(dev, &resets);
if (ret)
return ret;
ret = clk_get_bulk(dev, &clocks);
if (ret)
return ret;
ret = clk_enable_bulk(&clocks);
if (ret)
return ret;
/* Enable clocks */
dw_hdmi_hhi_update_bits(priv, HHI_HDMI_CLK_CNTL, 0xffff, 0x100);
/* Bring HDMITX MEM output of power down */
dw_hdmi_hhi_update_bits(priv, HHI_MEM_PD_REG0, 0xff << 8, 0);
/* Reset HDMITX APB & TX & PHY: cycle needed for EDID */
ret = reset_deassert_bulk(&resets);
if (ret)
return ret;
ret = reset_assert_bulk(&resets);
if (ret)
return ret;
ret = reset_deassert_bulk(&resets);
if (ret)
return ret;
/* Enable APB3 fail on error */
writel_bits(BIT(15), BIT(15), priv->hdmi.ioaddr + HDMITX_TOP_CTRL_REG);
writel_bits(BIT(15), BIT(15), priv->hdmi.ioaddr + HDMITX_DWC_CTRL_REG);
/* Bring out of reset */
dw_hdmi_top_write(&priv->hdmi, HDMITX_TOP_SW_RESET, 0);
mdelay(20);
dw_hdmi_top_write(&priv->hdmi, HDMITX_TOP_CLK_CNTL, 0xff);
dw_hdmi_init(&priv->hdmi);
dw_hdmi_phy_init(&priv->hdmi);
/* wait for connector */
ret = meson_dw_hdmi_wait_hpd(&priv->hdmi);
if (ret)
debug("hdmi can not get hpd signal\n");
return ret;
}
static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
{
int ret;
hdmi_disable_overflow_interrupts(hdmi);
hdmi->vic = drm_match_cea_mode(mode);
if (!hdmi->vic) {
dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n");
hdmi->hdmi_data.video_mode.mdvi = true;
} else {
dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic);
hdmi->hdmi_data.video_mode.mdvi = false;
}
if ((hdmi->vic == 6) || (hdmi->vic == 7) ||
(hdmi->vic == 21) || (hdmi->vic == 22) ||
(hdmi->vic == 2) || (hdmi->vic == 3) ||
(hdmi->vic == 17) || (hdmi->vic == 18))
hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601;
else
hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709;
if ((hdmi->vic == 10) || (hdmi->vic == 11) ||
(hdmi->vic == 12) || (hdmi->vic == 13) ||
(hdmi->vic == 14) || (hdmi->vic == 15) ||
(hdmi->vic == 25) || (hdmi->vic == 26) ||
(hdmi->vic == 27) || (hdmi->vic == 28) ||
(hdmi->vic == 29) || (hdmi->vic == 30) ||
(hdmi->vic == 35) || (hdmi->vic == 36) ||
(hdmi->vic == 37) || (hdmi->vic == 38))
hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 1;
else
hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;
hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;
/* TODO: Get input format from IPU (via FB driver interface) */
hdmi->hdmi_data.enc_in_format = RGB;
hdmi->hdmi_data.enc_out_format = RGB;
hdmi->hdmi_data.enc_color_depth = 8;
hdmi->hdmi_data.pix_repet_factor = 0;
hdmi->hdmi_data.hdcp_enable = 0;
hdmi->hdmi_data.video_mode.mdataenablepolarity = true;
/* HDMI Initialization Step B.1 */
hdmi_av_composer(hdmi, mode);
/* HDMI Initializateion Step B.2 */
ret = dw_hdmi_phy_init(hdmi);
if (ret)
return ret;
/* HDMI Initialization Step B.3 */
dw_hdmi_enable_video_path(hdmi);
/* not for DVI mode */
if (hdmi->hdmi_data.video_mode.mdvi) {
dev_dbg(hdmi->dev, "%s DVI mode\n", __func__);
} else {
dev_dbg(hdmi->dev, "%s CEA mode\n", __func__);
/* HDMI Initialization Step E - Configure audio */
hdmi_clk_regenerator_update_pixel_clock(hdmi);
hdmi_enable_audio_clk(hdmi);
/* HDMI Initialization Step F - Configure AVI InfoFrame */
hdmi_config_AVI(hdmi);
}
hdmi_video_packetize(hdmi);
hdmi_video_csc(hdmi);
hdmi_video_sample(hdmi);
hdmi_tx_hdcp_config(hdmi);
dw_hdmi_clear_overflow(hdmi);
if (hdmi->cable_plugin && !hdmi->hdmi_data.video_mode.mdvi)
hdmi_enable_overflow_interrupts(hdmi);
return 0;
}
