verify_link_capability_non_destructive(link);
}
+static void read_scdc_caps(struct ddc_service *ddc_service, struct dc_sink *sink)
+{
+ uint8_t slave_address = HDMI_SCDC_ADDRESS;
+ uint8_t offset = HDMI_SCDC_MANUFACTURER_OUI;
+
+ link_query_ddc_data(ddc_service, slave_address, &offset,
+ sizeof(offset), sink->scdc_caps.manufacturer_OUI.byte,
+ sizeof(sink->scdc_caps.manufacturer_OUI.byte));
+
+ offset = HDMI_SCDC_DEVICE_ID;
+
+ link_query_ddc_data(ddc_service, slave_address, &offset,
+ sizeof(offset), &(sink->scdc_caps.device_id.byte), sizeof(sink->scdc_caps.device_id.byte));
+}
/**
* detect_link_and_local_sink() - Detect if a sink is attached to a given link
if (sink->edid_caps.panel_patch.skip_scdc_overwrite)
link->ctx->dc->debug.hdmi20_disable = true;
+ if (dc_is_hdmi_signal(link->connector_signal))
+ read_scdc_caps(link->ddc, link->local_sink);
+
if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT &&
sink_caps.transaction_type ==
DDC_TRANSACTION_TYPE_I2C_OVER_AUX) {
bool is_topology_fec_supported;
};
+struct scdc_caps {
+ union hdmi_scdc_manufacturer_OUI_data manufacturer_OUI;
+ union hdmi_scdc_device_id_data device_id;
+};
+
/*
* The sink structure contains EDID and other display device properties
*/
struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
bool converter_disable_audio;
+ struct scdc_caps scdc_caps;
struct dc_sink_dsc_caps dsc_caps;
struct dc_sink_fec_caps fec_caps;
#define HDMI_SCDC_ERR_DETECT 0x50
#define HDMI_SCDC_TEST_CONFIG 0xC0
+#define HDMI_SCDC_MANUFACTURER_OUI 0xD0
+#define HDMI_SCDC_DEVICE_ID 0xDB
+
union hdmi_scdc_update_read_data {
uint8_t byte[2];
struct {
} fields;
};
+union hdmi_scdc_manufacturer_OUI_data {
+ uint8_t byte[3];
+ struct {
+ uint8_t Manufacturer_OUI_1:8;
+ uint8_t Manufacturer_OUI_2:8;
+ uint8_t Manufacturer_OUI_3:8;
+ } fields;
+};
+
+union hdmi_scdc_device_id_data {
+ uint8_t byte;
+ struct {
+ uint8_t Hardware_Minor_Rev:4;
+ uint8_t Hardware_Major_Rev:4;
+ } fields;
+};
+
#endif /* DC_HDMI_TYPES_H */