diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/synopsys')
-rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 31 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-hdmi.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 10 |
5 files changed, 48 insertions, 9 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c index ac1e001d0882..70ab4fbdc23e 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c @@ -285,7 +285,7 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev) ret = cec_register_adapter(cec->adap, pdev->dev.parent); if (ret < 0) { - cec_notifier_cec_adap_unregister(cec->notify); + cec_notifier_cec_adap_unregister(cec->notify, cec->adap); return ret; } @@ -302,7 +302,7 @@ static int dw_hdmi_cec_remove(struct platform_device *pdev) { struct dw_hdmi_cec *cec = platform_get_drvdata(pdev); - cec_notifier_cec_adap_unregister(cec->notify); + cec_notifier_cec_adap_unregister(cec->notify, cec->adap); cec_unregister_adapter(cec->adap); return 0; diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c index 1d15cf9b6821..20f4f92dd866 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c @@ -102,6 +102,7 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data, } dw_hdmi_set_sample_rate(hdmi, hparms->sample_rate); + dw_hdmi_set_channel_status(hdmi, hparms->iec.status); dw_hdmi_set_channel_count(hdmi, hparms->channels); dw_hdmi_set_channel_allocation(hdmi, hparms->cea.channel_allocation); @@ -109,6 +110,14 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data, hdmi_write(audio, conf0, HDMI_AUD_CONF0); hdmi_write(audio, conf1, HDMI_AUD_CONF1); + return 0; +} + +static int dw_hdmi_i2s_audio_startup(struct device *dev, void *data) +{ + struct dw_hdmi_i2s_audio_data *audio = data; + struct dw_hdmi *hdmi = audio->hdmi; + dw_hdmi_audio_enable(hdmi); return 0; @@ -153,6 +162,7 @@ static int dw_hdmi_i2s_get_dai_id(struct snd_soc_component *component, static struct hdmi_codec_ops dw_hdmi_i2s_ops = { .hw_params = dw_hdmi_i2s_hw_params, + .audio_startup = dw_hdmi_i2s_audio_startup, .audio_shutdown = dw_hdmi_i2s_audio_shutdown, .get_eld = dw_hdmi_i2s_get_eld, .get_dai_id = dw_hdmi_i2s_get_dai_id, diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 521d689413c8..a15fbf71b9d7 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -26,6 +26,7 @@ #include <drm/bridge/dw_hdmi.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_bridge.h> #include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_print.h> @@ -36,6 +37,7 @@ #include "dw-hdmi-cec.h" #include "dw-hdmi.h" +#define DDC_CI_ADDR 0x37 #define DDC_SEGMENT_ADDR 0x30 #define HDMI_EDID_LEN 512 @@ -398,6 +400,15 @@ static int dw_hdmi_i2c_xfer(struct i2c_adapter *adap, u8 addr = msgs[0].addr; int i, ret = 0; + if (addr == DDC_CI_ADDR) + /* + * The internal I2C controller does not support the multi-byte + * read and write operations needed for DDC/CI. + * TOFIX: Blacklist the DDC/CI address until we filter out + * unsupported I2C operations. + */ + return -EOPNOTSUPP; + dev_dbg(hdmi->dev, "xfer: num: %d, addr: %#x\n", num, addr); for (i = 0; i < num; i++) { @@ -580,6 +591,26 @@ static unsigned int hdmi_compute_n(unsigned int freq, unsigned long pixel_clk) return n; } +/* + * When transmitting IEC60958 linear PCM audio, these registers allow to + * configure the channel status information of all the channel status + * bits in the IEC60958 frame. For the moment this configuration is only + * used when the I2S audio interface, General Purpose Audio (GPA), + * or AHB audio DMA (AHBAUDDMA) interface is active + * (for S/PDIF interface this information comes from the stream). + */ +void dw_hdmi_set_channel_status(struct dw_hdmi *hdmi, + u8 *channel_status) +{ + /* + * Set channel status register for frequency and word length. + * Use default values for other registers. + */ + hdmi_writeb(hdmi, channel_status[3], HDMI_FC_AUDSCHNLS7); + hdmi_writeb(hdmi, channel_status[4], HDMI_FC_AUDSCHNLS8); +} +EXPORT_SYMBOL_GPL(dw_hdmi_set_channel_status); + static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi, unsigned long pixel_clk, unsigned int sample_rate) { diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h index 6988f12d89d9..fcff5059db24 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h @@ -158,6 +158,8 @@ #define HDMI_FC_SPDDEVICEINF 0x1062 #define HDMI_FC_AUDSCONF 0x1063 #define HDMI_FC_AUDSSTAT 0x1064 +#define HDMI_FC_AUDSCHNLS7 0x106e +#define HDMI_FC_AUDSCHNLS8 0x106f #define HDMI_FC_DATACH0FILL 0x1070 #define HDMI_FC_DATACH1FILL 0x1071 #define HDMI_FC_DATACH2FILL 0x1072 diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c index 675442bfc1bd..b6e793bb653c 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c @@ -316,7 +316,8 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host, return ret; if (panel) { - bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DSI); + bridge = drm_panel_bridge_add_typed(panel, + DRM_MODE_CONNECTOR_DSI); if (IS_ERR(bridge)) return PTR_ERR(bridge); } @@ -981,7 +982,6 @@ __dw_mipi_dsi_probe(struct platform_device *pdev, struct device *dev = &pdev->dev; struct reset_control *apb_rst; struct dw_mipi_dsi *dsi; - struct resource *res; int ret; dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); @@ -997,11 +997,7 @@ __dw_mipi_dsi_probe(struct platform_device *pdev, } if (!plat_data->base) { - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return ERR_PTR(-ENODEV); - - dsi->base = devm_ioremap_resource(dev, res); + dsi->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(dsi->base)) return ERR_PTR(-ENODEV); |