66 bool intel_hdcp_capable(struct intel_connector *connector)  in intel_hdcp_capable()  argument
68 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_capable()
69 	const struct intel_hdcp_shim *shim = connector->hdcp.shim;  in intel_hdcp_capable()
87 bool intel_hdcp2_capable(struct intel_connector *connector)  in intel_hdcp2_capable()  argument
89 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp2_capable()
90 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp2_capable()
91 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp2_capable()
290 int intel_hdcp_validate_v_prime(struct intel_connector *connector,  in intel_hdcp_validate_v_prime()  argument
294 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_validate_v_prime()
295 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp_validate_v_prime()
296 	enum transcoder cpu_transcoder = connector->hdcp.cpu_transcoder;  in intel_hdcp_validate_v_prime()
534 int intel_hdcp_auth_downstream(struct intel_connector *connector)  in intel_hdcp_auth_downstream()  argument
536 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_auth_downstream()
537 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp_auth_downstream()
538 	const struct intel_hdcp_shim *shim = connector->hdcp.shim;  in intel_hdcp_auth_downstream()
595 		ret = intel_hdcp_validate_v_prime(connector, shim,  in intel_hdcp_auth_downstream()
617 static int intel_hdcp_auth(struct intel_connector *connector)  in intel_hdcp_auth()  argument
619 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_auth()
620 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp_auth()
621 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_auth()
623 	enum transcoder cpu_transcoder = connector->hdcp.cpu_transcoder;  in intel_hdcp_auth()
776 		return intel_hdcp_auth_downstream(connector);  in intel_hdcp_auth()
782 static int _intel_hdcp_disable(struct intel_connector *connector)  in _intel_hdcp_disable()  argument
784 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in _intel_hdcp_disable()
785 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in _intel_hdcp_disable()
786 	struct intel_hdcp *hdcp = &connector->hdcp;  in _intel_hdcp_disable()
793 		    connector->base.name, connector->base.base.id);  in _intel_hdcp_disable()
798 	 * connector/pipe and exit.  in _intel_hdcp_disable()
833 static int _intel_hdcp_enable(struct intel_connector *connector)  in _intel_hdcp_enable()  argument
835 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in _intel_hdcp_enable()
836 	struct intel_hdcp *hdcp = &connector->hdcp;  in _intel_hdcp_enable()
840 		    connector->base.name, connector->base.base.id);  in _intel_hdcp_enable()
861 		ret = intel_hdcp_auth(connector);  in _intel_hdcp_enable()
870 		_intel_hdcp_disable(connector);  in _intel_hdcp_enable()
883 static void intel_hdcp_update_value(struct intel_connector *connector,  in intel_hdcp_update_value()  argument
886 	struct drm_device *dev = connector->base.dev;  in intel_hdcp_update_value()
887 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_update_value()
888 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_update_value()
890 	drm_WARN_ON(connector->base.dev, !mutex_is_locked(&hdcp->mutex));  in intel_hdcp_update_value()
906 		drm_connector_get(&connector->base);  in intel_hdcp_update_value()
912 static int intel_hdcp_check_link(struct intel_connector *connector)  in intel_hdcp_check_link()  argument
914 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_check_link()
915 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp_check_link()
916 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_check_link()
937 			connector->base.name, connector->base.base.id,  in intel_hdcp_check_link()
940 		intel_hdcp_update_value(connector,  in intel_hdcp_check_link()
946 	if (hdcp->shim->check_link(dig_port, connector)) {  in intel_hdcp_check_link()
948 			intel_hdcp_update_value(connector,  in intel_hdcp_check_link()
956 		    connector->base.name, connector->base.base.id);  in intel_hdcp_check_link()
958 	ret = _intel_hdcp_disable(connector);  in intel_hdcp_check_link()
961 		intel_hdcp_update_value(connector,  in intel_hdcp_check_link()
967 	ret = _intel_hdcp_enable(connector);  in intel_hdcp_check_link()
970 		intel_hdcp_update_value(connector,  in intel_hdcp_check_link()
986 	struct intel_connector *connector = intel_hdcp_to_connector(hdcp);  in intel_hdcp_prop_work()  local
987 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp_prop_work()
998 		drm_hdcp_update_content_protection(&connector->base,  in intel_hdcp_prop_work()
1004 	drm_connector_put(&connector->base);  in intel_hdcp_prop_work()
1014 hdcp2_prepare_ake_init(struct intel_connector *connector,  in hdcp2_prepare_ake_init()  argument
1017 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_prepare_ake_init()
1018 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_prepare_ake_init()
1040 hdcp2_verify_rx_cert_prepare_km(struct intel_connector *connector,  in hdcp2_verify_rx_cert_prepare_km()  argument
1046 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_verify_rx_cert_prepare_km()
1047 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_verify_rx_cert_prepare_km()
1070 static int hdcp2_verify_hprime(struct intel_connector *connector,  in hdcp2_verify_hprime()  argument
1073 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_verify_hprime()
1074 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_verify_hprime()
1095 hdcp2_store_pairing_info(struct intel_connector *connector,  in hdcp2_store_pairing_info()  argument
1098 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_store_pairing_info()
1099 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_store_pairing_info()
1121 hdcp2_prepare_lc_init(struct intel_connector *connector,  in hdcp2_prepare_lc_init()  argument
1124 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_prepare_lc_init()
1125 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_prepare_lc_init()
1147 hdcp2_verify_lprime(struct intel_connector *connector,  in hdcp2_verify_lprime()  argument
1150 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_verify_lprime()
1151 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_verify_lprime()
1172 static int hdcp2_prepare_skey(struct intel_connector *connector,  in hdcp2_prepare_skey()  argument
1175 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_prepare_skey()
1176 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_prepare_skey()
1198 hdcp2_verify_rep_topology_prepare_ack(struct intel_connector *connector,  in hdcp2_verify_rep_topology_prepare_ack()  argument
1203 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_verify_rep_topology_prepare_ack()
1204 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_verify_rep_topology_prepare_ack()
1228 hdcp2_verify_mprime(struct intel_connector *connector,  in hdcp2_verify_mprime()  argument
1231 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_verify_mprime()
1232 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_verify_mprime()
1252 static int hdcp2_authenticate_port(struct intel_connector *connector)  in hdcp2_authenticate_port()  argument
1254 	struct hdcp_port_data *data = &connector->hdcp.port_data;  in hdcp2_authenticate_port()
1255 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_authenticate_port()
1276 static int hdcp2_close_mei_session(struct intel_connector *connector)  in hdcp2_close_mei_session()  argument
1278 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_close_mei_session()
1291 					     &connector->hdcp.port_data);  in hdcp2_close_mei_session()
1297 static int hdcp2_deauthenticate_port(struct intel_connector *connector)  in hdcp2_deauthenticate_port()  argument
1299 	return hdcp2_close_mei_session(connector);  in hdcp2_deauthenticate_port()
1303 static int hdcp2_authentication_key_exchange(struct intel_connector *connector)  in hdcp2_authentication_key_exchange()  argument
1305 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_authentication_key_exchange()
1306 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_authentication_key_exchange()
1307 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_authentication_key_exchange()
1323 	ret = hdcp2_prepare_ake_init(connector, &msgs.ake_init);  in hdcp2_authentication_key_exchange()
1355 	ret = hdcp2_verify_rx_cert_prepare_km(connector, &msgs.send_cert,  in hdcp2_authentication_key_exchange()
1370 	ret = hdcp2_verify_hprime(connector, &msgs.send_hprime);  in hdcp2_authentication_key_exchange()
1383 		ret = hdcp2_store_pairing_info(connector, &msgs.pairing_info);  in hdcp2_authentication_key_exchange()
1392 static int hdcp2_locality_check(struct intel_connector *connector)  in hdcp2_locality_check()  argument
1394 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_locality_check()
1395 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_locality_check()
1404 		ret = hdcp2_prepare_lc_init(connector, &msgs.lc_init);  in hdcp2_locality_check()
1420 		ret = hdcp2_verify_lprime(connector, &msgs.send_lprime);  in hdcp2_locality_check()
1428 static int hdcp2_session_key_exchange(struct intel_connector *connector)  in hdcp2_session_key_exchange()  argument
1430 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_session_key_exchange()
1431 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_session_key_exchange()
1435 	ret = hdcp2_prepare_skey(connector, &send_eks);  in hdcp2_session_key_exchange()
1448 int hdcp2_propagate_stream_management_info(struct intel_connector *connector)  in hdcp2_propagate_stream_management_info()  argument
1450 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_propagate_stream_management_info()
1451 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in hdcp2_propagate_stream_management_info()
1452 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_propagate_stream_management_info()
1485 	ret = hdcp2_verify_mprime(connector, &msgs.stream_ready);  in hdcp2_propagate_stream_management_info()
1500 int hdcp2_authenticate_repeater_topology(struct intel_connector *connector)  in hdcp2_authenticate_repeater_topology()  argument
1502 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_authenticate_repeater_topology()
1503 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_authenticate_repeater_topology()
1504 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_authenticate_repeater_topology()
1552 	ret = hdcp2_verify_rep_topology_prepare_ack(connector,  in hdcp2_authenticate_repeater_topology()
1567 static int hdcp2_authenticate_repeater(struct intel_connector *connector)  in hdcp2_authenticate_repeater()  argument
1571 	ret = hdcp2_authenticate_repeater_topology(connector);  in hdcp2_authenticate_repeater()
1575 	return hdcp2_propagate_stream_management_info(connector);  in hdcp2_authenticate_repeater()
1578 static int hdcp2_authenticate_sink(struct intel_connector *connector)  in hdcp2_authenticate_sink()  argument
1580 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_authenticate_sink()
1581 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in hdcp2_authenticate_sink()
1582 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_authenticate_sink()
1586 	ret = hdcp2_authentication_key_exchange(connector);  in hdcp2_authenticate_sink()
1592 	ret = hdcp2_locality_check(connector);  in hdcp2_authenticate_sink()
1599 	ret = hdcp2_session_key_exchange(connector);  in hdcp2_authenticate_sink()
1614 		ret = hdcp2_authenticate_repeater(connector);  in hdcp2_authenticate_sink()
1623 	ret = hdcp2_authenticate_port(connector);  in hdcp2_authenticate_sink()
1630 static int hdcp2_enable_encryption(struct intel_connector *connector)  in hdcp2_enable_encryption()  argument
1632 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_enable_encryption()
1633 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_enable_encryption()
1634 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_enable_encryption()
1670 static int hdcp2_disable_encryption(struct intel_connector *connector)  in hdcp2_disable_encryption()  argument
1672 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in hdcp2_disable_encryption()
1673 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in hdcp2_disable_encryption()
1674 	struct intel_hdcp *hdcp = &connector->hdcp;  in hdcp2_disable_encryption()
1707 static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)  in hdcp2_authenticate_and_encrypt()  argument
1709 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in hdcp2_authenticate_and_encrypt()
1713 		ret = hdcp2_authenticate_sink(connector);  in hdcp2_authenticate_and_encrypt()
1720 		if (hdcp2_deauthenticate_port(connector) < 0)  in hdcp2_authenticate_and_encrypt()
1730 		ret = hdcp2_enable_encryption(connector);  in hdcp2_authenticate_and_encrypt()
1734 			if (hdcp2_deauthenticate_port(connector) < 0)  in hdcp2_authenticate_and_encrypt()
1742 static int _intel_hdcp2_enable(struct intel_connector *connector)  in _intel_hdcp2_enable()  argument
1744 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in _intel_hdcp2_enable()
1745 	struct intel_hdcp *hdcp = &connector->hdcp;  in _intel_hdcp2_enable()
1749 		    connector->base.name, connector->base.base.id,  in _intel_hdcp2_enable()
1752 	ret = hdcp2_authenticate_and_encrypt(connector);  in _intel_hdcp2_enable()
1760 		    connector->base.name, connector->base.base.id,  in _intel_hdcp2_enable()
1767 static int _intel_hdcp2_disable(struct intel_connector *connector)  in _intel_hdcp2_disable()  argument
1769 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in _intel_hdcp2_disable()
1773 		    connector->base.name, connector->base.base.id);  in _intel_hdcp2_disable()
1775 	ret = hdcp2_disable_encryption(connector);  in _intel_hdcp2_disable()
1777 	if (hdcp2_deauthenticate_port(connector) < 0)  in _intel_hdcp2_disable()
1780 	connector->hdcp.hdcp2_encrypted = false;  in _intel_hdcp2_disable()
1786 static int intel_hdcp2_check_link(struct intel_connector *connector)  in intel_hdcp2_check_link()  argument
1788 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp2_check_link()
1789 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp2_check_link()
1790 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp2_check_link()
1811 		intel_hdcp_update_value(connector,  in intel_hdcp2_check_link()
1820 			intel_hdcp_update_value(connector,  in intel_hdcp2_check_link()
1833 		ret = hdcp2_authenticate_repeater_topology(connector);  in intel_hdcp2_check_link()
1835 			intel_hdcp_update_value(connector,  in intel_hdcp2_check_link()
1842 			    connector->base.name, connector->base.base.id,  in intel_hdcp2_check_link()
1847 			    connector->base.name, connector->base.base.id);  in intel_hdcp2_check_link()
1850 	ret = _intel_hdcp2_disable(connector);  in intel_hdcp2_check_link()
1854 			connector->base.name, connector->base.base.id, ret);  in intel_hdcp2_check_link()
1855 		intel_hdcp_update_value(connector,  in intel_hdcp2_check_link()
1860 	ret = _intel_hdcp2_enable(connector);  in intel_hdcp2_check_link()
1864 			    connector->base.name, connector->base.base.id,  in intel_hdcp2_check_link()
1866 		intel_hdcp_update_value(connector,  in intel_hdcp2_check_link()
1882 	struct intel_connector *connector = intel_hdcp_to_connector(hdcp);  in intel_hdcp_check_work()  local
1884 	if (drm_connector_is_unregistered(&connector->base))  in intel_hdcp_check_work()
1887 	if (!intel_hdcp2_check_link(connector))  in intel_hdcp_check_work()
1890 	else if (!intel_hdcp_check_link(connector))  in intel_hdcp_check_work()
1947 static int initialize_hdcp_port_data(struct intel_connector *connector,  in initialize_hdcp_port_data()  argument
1951 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in initialize_hdcp_port_data()
1952 	struct intel_hdcp *hdcp = &connector->hdcp;  in initialize_hdcp_port_data()
2026 static void intel_hdcp2_init(struct intel_connector *connector, enum port port,  in intel_hdcp2_init()  argument
2029 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_hdcp2_init()
2030 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp2_init()
2033 	ret = initialize_hdcp_port_data(connector, port, shim);  in intel_hdcp2_init()
2042 int intel_hdcp_init(struct intel_connector *connector,  in intel_hdcp_init()  argument
2046 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp_init()
2047 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_init()
2053 	if (is_hdcp2_supported(dev_priv) && !connector->mst_port)  in intel_hdcp_init()
2054 		intel_hdcp2_init(connector, port, shim);  in intel_hdcp_init()
2057 	drm_connector_attach_content_protection_property(&connector->base,  in intel_hdcp_init()
2074 int intel_hdcp_enable(struct intel_connector *connector,  in intel_hdcp_enable()  argument
2077 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_hdcp_enable()
2078 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_enable()
2079 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_enable()
2100 	if (intel_hdcp2_capable(connector)) {  in intel_hdcp_enable()
2101 		ret = _intel_hdcp2_enable(connector);  in intel_hdcp_enable()
2110 	if (ret && intel_hdcp_capable(connector) &&  in intel_hdcp_enable()
2112 		ret = _intel_hdcp_enable(connector);  in intel_hdcp_enable()
2117 		intel_hdcp_update_value(connector,  in intel_hdcp_enable()
2127 int intel_hdcp_disable(struct intel_connector *connector)  in intel_hdcp_disable()  argument
2129 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);  in intel_hdcp_disable()
2130 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_disable()
2142 	intel_hdcp_update_value(connector,  in intel_hdcp_disable()
2145 		ret = _intel_hdcp2_disable(connector);  in intel_hdcp_disable()
2147 		ret = _intel_hdcp_disable(connector);  in intel_hdcp_disable()
2161 	struct intel_connector *connector =  in intel_hdcp_update_pipe()  local
2162 				to_intel_connector(conn_state->connector);  in intel_hdcp_update_pipe()
2163 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_update_pipe()
2166 	if (!connector->hdcp.shim)  in intel_hdcp_update_pipe()
2181 		intel_hdcp_disable(connector);  in intel_hdcp_update_pipe()
2204 		intel_hdcp_enable(connector,  in intel_hdcp_update_pipe()
2223 void intel_hdcp_cleanup(struct intel_connector *connector)  in intel_hdcp_cleanup()  argument
2225 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_cleanup()
2231 	 * If the connector is registered, it's possible userspace could kick  in intel_hdcp_cleanup()
2234 	drm_WARN_ON(connector->base.dev,  in intel_hdcp_cleanup()
2235 		connector->base.registration_state == DRM_CONNECTOR_REGISTERED);  in intel_hdcp_cleanup()
2238 	 * Now that the connector is not registered, check_work won't be run,  in intel_hdcp_cleanup()
2246 	 * function. Instead, we rely on the connector references grabbed before  in intel_hdcp_cleanup()
2247 	 * scheduling prop_work to ensure the connector is alive when prop_work  in intel_hdcp_cleanup()
2252 	drm_WARN_ON(connector->base.dev, work_pending(&hdcp->prop_work));  in intel_hdcp_cleanup()
2260 void intel_hdcp_atomic_check(struct drm_connector *connector,  in intel_hdcp_atomic_check()  argument
2270 		 * If the connector is being disabled with CP enabled, mark it  in intel_hdcp_atomic_check()
2271 		 * desired so it's re-enabled when the connector is brought back  in intel_hdcp_atomic_check()
2308 void intel_hdcp_handle_cp_irq(struct intel_connector *connector)  in intel_hdcp_handle_cp_irq()  argument
2310 	struct intel_hdcp *hdcp = &connector->hdcp;  in intel_hdcp_handle_cp_irq()
2315 	atomic_inc(&connector->hdcp.cp_irq_count);  in intel_hdcp_handle_cp_irq()
2316 	wake_up_all(&connector->hdcp.cp_irq_queue);  in intel_hdcp_handle_cp_irq()