227 void radeon_dp_aux_init(struct radeon_connector *radeon_connector)  in radeon_dp_aux_init()  argument
229 	struct drm_device *dev = radeon_connector->base.dev;  in radeon_dp_aux_init()
233 	radeon_connector->ddc_bus->rec.hpd = radeon_connector->hpd.hpd;  in radeon_dp_aux_init()
234 	radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;  in radeon_dp_aux_init()
237 			radeon_connector->ddc_bus->aux.transfer = radeon_dp_aux_transfer_native;  in radeon_dp_aux_init()
239 			radeon_connector->ddc_bus->aux.transfer = radeon_dp_aux_transfer_atom;  in radeon_dp_aux_init()
241 		radeon_connector->ddc_bus->aux.transfer = radeon_dp_aux_transfer_atom;  in radeon_dp_aux_init()
244 	ret = drm_dp_aux_register(&radeon_connector->ddc_bus->aux);  in radeon_dp_aux_init()
246 		radeon_connector->ddc_bus->has_aux = true;  in radeon_dp_aux_init()
360 u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector)  in radeon_dp_getsinktype()  argument
362 	struct drm_device *dev = radeon_connector->base.dev;  in radeon_dp_getsinktype()
366 					 radeon_connector->ddc_bus->rec.i2c_id, 0);  in radeon_dp_getsinktype()
369 static void radeon_dp_probe_oui(struct radeon_connector *radeon_connector)  in radeon_dp_probe_oui()  argument
371 	struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;  in radeon_dp_probe_oui()
377 	if (drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_SINK_OUI, buf, 3) == 3)  in radeon_dp_probe_oui()
381 	if (drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_BRANCH_OUI, buf, 3) == 3)  in radeon_dp_probe_oui()
386 bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector)  in radeon_dp_getdpcd()  argument
388 	struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;  in radeon_dp_getdpcd()
392 	ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg,  in radeon_dp_getdpcd()
400 		radeon_dp_probe_oui(radeon_connector);  in radeon_dp_getdpcd()
414 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);  in radeon_dp_get_panel_mode()  local
422 	if (!radeon_connector->con_priv)  in radeon_dp_get_panel_mode()
427 		if (drm_dp_dpcd_readb(&radeon_connector->ddc_bus->aux,  in radeon_dp_get_panel_mode()
439 		if (drm_dp_dpcd_readb(&radeon_connector->ddc_bus->aux,  in radeon_dp_get_panel_mode()
452 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);  in radeon_dp_set_link_config()  local
456 	if (!radeon_connector->con_priv)  in radeon_dp_set_link_config()
458 	dig_connector = radeon_connector->con_priv;  in radeon_dp_set_link_config()
476 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);  in radeon_dp_mode_valid_helper()  local
485 	if (!radeon_connector->con_priv)  in radeon_dp_mode_valid_helper()
487 	dig_connector = radeon_connector->con_priv;  in radeon_dp_mode_valid_helper()
503 bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector)  in radeon_dp_needs_link_train()  argument
506 	struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;  in radeon_dp_needs_link_train()
508 	if (drm_dp_dpcd_read_link_status(&radeon_connector->ddc_bus->aux, link_status)  in radeon_dp_needs_link_train()
519 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);  in radeon_dp_set_rx_power_state()  local
522 	if (!radeon_connector->con_priv)  in radeon_dp_set_rx_power_state()
525 	dig_connector = radeon_connector->con_priv;  in radeon_dp_set_rx_power_state()
529 		drm_dp_dpcd_writeb(&radeon_connector->ddc_bus->aux,  in radeon_dp_set_rx_power_state()
790 	struct radeon_connector *radeon_connector;  in radeon_dp_link_train()  local
800 	radeon_connector = to_radeon_connector(connector);  in radeon_dp_link_train()
801 	if (!radeon_connector->con_priv)  in radeon_dp_link_train()
803 	dig_connector = radeon_connector->con_priv;  in radeon_dp_link_train()
830 	if (drm_dp_dpcd_readb(&radeon_connector->ddc_bus->aux, DP_MAX_LANE_COUNT, &tmp)  in radeon_dp_link_train()
846 	dp_info.aux = &radeon_connector->ddc_bus->aux;  in radeon_dp_link_train()