Lines Matching full:hdcp
39 const struct intel_hdcp_shim *shim = connector->hdcp.shim; in intel_streams_type1_capable()
52 * intel_hdcp_required_content_stream selects the most highest common possible HDCP
57 * HDCP 2.2 capable sink because of other sink are not capable of HDCP 2.2 in
135 /* HDCP spec states that we must retry the bksv if it is invalid */ in intel_hdcp_read_valid_bksv()
155 const struct intel_hdcp_shim *shim = connector->hdcp.shim; in intel_hdcp_capable()
177 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp2_capable() local
181 if (!hdcp->hdcp2_supported) in intel_hdcp2_capable()
193 hdcp->shim->hdcp_2_2_capable(dig_port, &capable); in intel_hdcp2_capable()
255 * Another req for hdcp key loadability is enabled state of pll for in hdcp_key_loadable()
288 * Initiate loading the HDCP key from fuses. in intel_hdcp_load_keys()
290 * BXT+ platforms, HDCP key needs to be loaded by SW. Only display in intel_hdcp_load_keys()
300 "Failed to initiate HDCP key load (%d)\n", in intel_hdcp_load_keys()
383 enum transcoder cpu_transcoder = connector->hdcp.cpu_transcoder; in intel_hdcp_validate_v_prime()
612 drm_dbg_kms(&dev_priv->drm, "SHA-1 mismatch, HDCP failed\n"); in intel_hdcp_validate_v_prime()
619 /* Implements Part 2 of the HDCP authorization procedure */
625 const struct intel_hdcp_shim *shim = connector->hdcp.shim; in intel_hdcp_auth_downstream()
648 * the HDCP encryption. That implies that repeater can't have its own in intel_hdcp_auth_downstream()
695 drm_dbg_kms(&dev_priv->drm, "HDCP is enabled (%d downstream devices)\n", in intel_hdcp_auth_downstream()
703 /* Implements Part 1 of the HDCP authorization procedure */
708 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_auth() local
709 const struct intel_hdcp_shim *shim = hdcp->shim; in intel_hdcp_auth()
710 enum transcoder cpu_transcoder = connector->hdcp.cpu_transcoder; in intel_hdcp_auth()
729 * Detects whether the display is HDCP capable. Although we check for in intel_hdcp_auth()
730 * valid Bksv below, the HDCP over DP spec requires that we check in intel_hdcp_auth()
731 * whether the display supports HDCP before we write An. For HDMI in intel_hdcp_auth()
740 "Panel is not HDCP capable\n"); in intel_hdcp_auth()
822 * DP HDCP Spec mandates the two more reattempt to read R0, incase in intel_hdcp_auth()
861 drm_err(&dev_priv->drm, "[%s:%d] Failed to enable HDCP 1.4 stream enc\n", in intel_hdcp_auth()
865 drm_dbg_kms(&dev_priv->drm, "HDCP 1.4 transcoder: %s stream encrypted\n", in intel_hdcp_auth()
866 transcoder_name(hdcp->stream_transcoder)); in intel_hdcp_auth()
872 drm_dbg_kms(&dev_priv->drm, "HDCP is enabled (no repeater present)\n"); in intel_hdcp_auth()
880 struct intel_hdcp *hdcp = &connector->hdcp; in _intel_hdcp_disable() local
882 enum transcoder cpu_transcoder = hdcp->cpu_transcoder; in _intel_hdcp_disable()
886 drm_dbg_kms(&dev_priv->drm, "[%s:%d] HDCP is being disabled...\n", in _intel_hdcp_disable()
889 if (hdcp->shim->stream_encryption) { in _intel_hdcp_disable()
890 ret = hdcp->shim->stream_encryption(connector, false); in _intel_hdcp_disable()
892 drm_err(&dev_priv->drm, "[%s:%d] Failed to disable HDCP 1.4 stream enc\n", in _intel_hdcp_disable()
896 drm_dbg_kms(&dev_priv->drm, "HDCP 1.4 transcoder: %s stream encryption disabled\n", in _intel_hdcp_disable()
897 transcoder_name(hdcp->stream_transcoder)); in _intel_hdcp_disable()
899 * If there are other connectors on this port using HDCP, in _intel_hdcp_disable()
900 * don't disable it until it disabled HDCP encryption for in _intel_hdcp_disable()
907 hdcp->hdcp_encrypted = false; in _intel_hdcp_disable()
913 "Failed to disable HDCP, timeout clearing status\n"); in _intel_hdcp_disable()
922 ret = hdcp->shim->toggle_signalling(dig_port, cpu_transcoder, false); in _intel_hdcp_disable()
924 drm_err(&dev_priv->drm, "Failed to disable HDCP signalling\n"); in _intel_hdcp_disable()
928 drm_dbg_kms(&dev_priv->drm, "HDCP is disabled\n"); in _intel_hdcp_disable()
935 struct intel_hdcp *hdcp = &connector->hdcp; in _intel_hdcp_enable() local
938 drm_dbg_kms(&dev_priv->drm, "[%s:%d] HDCP is being enabled...\n", in _intel_hdcp_enable()
942 drm_err(&dev_priv->drm, "HDCP key Load is not possible\n"); in _intel_hdcp_enable()
953 drm_err(&dev_priv->drm, "Could not load HDCP keys, (%d)\n", in _intel_hdcp_enable()
958 /* Incase of authentication failures, HDCP spec expects reauth. */ in _intel_hdcp_enable()
962 hdcp->hdcp_encrypted = true; in _intel_hdcp_enable()
966 drm_dbg_kms(&dev_priv->drm, "HDCP Auth failure (%d)\n", ret); in _intel_hdcp_enable()
968 /* Ensuring HDCP encryption and signalling are stopped. */ in _intel_hdcp_enable()
973 "HDCP authentication failed (%d tries/%d)\n", tries, ret); in _intel_hdcp_enable()
977 static struct intel_connector *intel_hdcp_to_connector(struct intel_hdcp *hdcp) in intel_hdcp_to_connector() argument
979 return container_of(hdcp, struct intel_connector, hdcp); in intel_hdcp_to_connector()
987 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_update_value() local
989 drm_WARN_ON(connector->base.dev, !mutex_is_locked(&hdcp->mutex)); in intel_hdcp_update_value()
991 if (hdcp->value == value) in intel_hdcp_update_value()
996 if (hdcp->value == DRM_MODE_CONTENT_PROTECTION_ENABLED) { in intel_hdcp_update_value()
1003 hdcp->value = value; in intel_hdcp_update_value()
1006 schedule_work(&hdcp->prop_work); in intel_hdcp_update_value()
1010 /* Implements Part 3 of the HDCP authorization procedure */
1015 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_check_link() local
1020 mutex_lock(&hdcp->mutex); in intel_hdcp_check_link()
1023 cpu_transcoder = hdcp->cpu_transcoder; in intel_hdcp_check_link()
1026 if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_ENABLED || in intel_hdcp_check_link()
1027 !hdcp->hdcp_encrypted) { in intel_hdcp_check_link()
1035 "%s:%d HDCP link stopped encryption,%x\n", in intel_hdcp_check_link()
1045 if (hdcp->shim->check_link(dig_port, connector)) { in intel_hdcp_check_link()
1046 if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { in intel_hdcp_check_link()
1054 "[%s:%d] HDCP link failed, retrying authentication\n", in intel_hdcp_check_link()
1059 drm_err(&dev_priv->drm, "Failed to disable hdcp (%d)\n", ret); in intel_hdcp_check_link()
1068 drm_err(&dev_priv->drm, "Failed to enable hdcp (%d)\n", ret); in intel_hdcp_check_link()
1077 mutex_unlock(&hdcp->mutex); in intel_hdcp_check_link()
1083 struct intel_hdcp *hdcp = container_of(work, struct intel_hdcp, in intel_hdcp_prop_work() local
1085 struct intel_connector *connector = intel_hdcp_to_connector(hdcp); in intel_hdcp_prop_work()
1089 mutex_lock(&hdcp->mutex); in intel_hdcp_prop_work()
1094 * we're running just after hdcp has been disabled, so just exit in intel_hdcp_prop_work()
1096 if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) in intel_hdcp_prop_work()
1098 hdcp->value); in intel_hdcp_prop_work()
1100 mutex_unlock(&hdcp->mutex); in intel_hdcp_prop_work()
1378 drm_dbg_kms(&dev_priv->drm, "Enable hdcp auth failed. %d\n", in hdcp2_authenticate_port()
1417 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_authentication_key_exchange() local
1425 const struct intel_hdcp_shim *shim = hdcp->shim; in hdcp2_authentication_key_exchange()
1430 hdcp->seq_num_v = 0; in hdcp2_authentication_key_exchange()
1431 hdcp->seq_num_m = 0; in hdcp2_authentication_key_exchange()
1452 hdcp->is_repeater = HDCP_2_2_RX_REPEATER(msgs.send_cert.rx_caps[2]); in hdcp2_authentication_key_exchange()
1466 &hdcp->is_paired, in hdcp2_authentication_key_exchange()
1484 if (!hdcp->is_paired) { in hdcp2_authentication_key_exchange()
1496 hdcp->is_paired = true; in hdcp2_authentication_key_exchange()
1505 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_locality_check() local
1510 const struct intel_hdcp_shim *shim = hdcp->shim; in hdcp2_locality_check()
1541 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_session_key_exchange() local
1549 ret = hdcp->shim->write_2_2_msg(dig_port, &send_eks, in hdcp2_session_key_exchange()
1562 struct intel_hdcp *hdcp = &connector->hdcp; in _hdcp2_propagate_stream_management_info() local
1567 const struct intel_hdcp_shim *shim = hdcp->shim; in _hdcp2_propagate_stream_management_info()
1570 if (connector->hdcp.seq_num_m > HDCP_2_2_SEQ_NUM_MAX) in _hdcp2_propagate_stream_management_info()
1575 drm_hdcp_cpu_to_be24(msgs.stream_manage.seq_num_m, hdcp->seq_num_m); in _hdcp2_propagate_stream_management_info()
1597 data->seq_num_m = hdcp->seq_num_m; in _hdcp2_propagate_stream_management_info()
1602 hdcp->seq_num_m++; in _hdcp2_propagate_stream_management_info()
1612 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_authenticate_repeater_topology() local
1617 const struct intel_hdcp_shim *shim = hdcp->shim; in hdcp2_authenticate_repeater_topology()
1639 if (!hdcp->hdcp2_encrypted && seq_num_v) { in hdcp2_authenticate_repeater_topology()
1645 if (seq_num_v < hdcp->seq_num_v) { in hdcp2_authenticate_repeater_topology()
1666 hdcp->seq_num_v = seq_num_v; in hdcp2_authenticate_repeater_topology()
1679 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_authenticate_sink() local
1680 const struct intel_hdcp_shim *shim = hdcp->shim; in hdcp2_authenticate_sink()
1704 hdcp->is_repeater, in hdcp2_authenticate_sink()
1705 hdcp->content_type); in hdcp2_authenticate_sink()
1710 if (hdcp->is_repeater) { in hdcp2_authenticate_sink()
1727 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_enable_stream_encryption() local
1728 enum transcoder cpu_transcoder = hdcp->cpu_transcoder; in hdcp2_enable_stream_encryption()
1734 drm_err(&dev_priv->drm, "[%s:%d] HDCP 2.2 Link is not encrypted\n", in hdcp2_enable_stream_encryption()
1740 if (hdcp->shim->stream_2_2_encryption) { in hdcp2_enable_stream_encryption()
1741 ret = hdcp->shim->stream_2_2_encryption(connector, true); in hdcp2_enable_stream_encryption()
1743 drm_err(&dev_priv->drm, "[%s:%d] Failed to enable HDCP 2.2 stream enc\n", in hdcp2_enable_stream_encryption()
1747 drm_dbg_kms(&dev_priv->drm, "HDCP 2.2 transcoder: %s stream encrypted\n", in hdcp2_enable_stream_encryption()
1748 transcoder_name(hdcp->stream_transcoder)); in hdcp2_enable_stream_encryption()
1767 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_enable_encryption() local
1769 enum transcoder cpu_transcoder = hdcp->cpu_transcoder; in hdcp2_enable_encryption()
1775 if (hdcp->shim->toggle_signalling) { in hdcp2_enable_encryption()
1776 ret = hdcp->shim->toggle_signalling(dig_port, cpu_transcoder, in hdcp2_enable_encryption()
1780 "Failed to enable HDCP signalling. %d\n", in hdcp2_enable_encryption()
1808 struct intel_hdcp *hdcp = &connector->hdcp; in hdcp2_disable_encryption() local
1810 enum transcoder cpu_transcoder = hdcp->cpu_transcoder; in hdcp2_disable_encryption()
1827 if (hdcp->shim->toggle_signalling) { in hdcp2_disable_encryption()
1828 ret = hdcp->shim->toggle_signalling(dig_port, cpu_transcoder, in hdcp2_disable_encryption()
1832 "Failed to disable HDCP signalling. %d\n", in hdcp2_disable_encryption()
1847 if (!connector->hdcp.is_repeater) in hdcp2_propagate_stream_management_info()
1856 if (connector->hdcp.seq_num_m > HDCP_2_2_SEQ_NUM_MAX) { in hdcp2_propagate_stream_management_info()
1894 /* Clearing the mei hdcp session */ in hdcp2_authenticate_and_encrypt()
1927 struct intel_hdcp *hdcp = &connector->hdcp; in _intel_hdcp2_enable() local
1932 hdcp->content_type); in _intel_hdcp2_enable()
1937 data->streams[0].stream_type = hdcp->content_type; in _intel_hdcp2_enable()
1947 hdcp->content_type, ret); in _intel_hdcp2_enable()
1953 hdcp->content_type); in _intel_hdcp2_enable()
1955 hdcp->hdcp2_encrypted = true; in _intel_hdcp2_enable()
1965 struct intel_hdcp *hdcp = &connector->hdcp; in _intel_hdcp2_disable() local
1971 if (hdcp->shim->stream_2_2_encryption) { in _intel_hdcp2_disable()
1972 ret = hdcp->shim->stream_2_2_encryption(connector, false); in _intel_hdcp2_disable()
1974 drm_err(&i915->drm, "[%s:%d] Failed to disable HDCP 2.2 stream enc\n", in _intel_hdcp2_disable()
1978 drm_dbg_kms(&i915->drm, "HDCP 2.2 transcoder: %s stream encryption disabled\n", in _intel_hdcp2_disable()
1979 transcoder_name(hdcp->stream_transcoder)); in _intel_hdcp2_disable()
1990 connector->hdcp.hdcp2_encrypted = false; in _intel_hdcp2_disable()
2002 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp2_check_link() local
2007 mutex_lock(&hdcp->mutex); in intel_hdcp2_check_link()
2009 cpu_transcoder = hdcp->cpu_transcoder; in intel_hdcp2_check_link()
2012 if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_ENABLED || in intel_hdcp2_check_link()
2013 !hdcp->hdcp2_encrypted) { in intel_hdcp2_check_link()
2031 ret = hdcp->shim->check_2_2_link(dig_port, connector); in intel_hdcp2_check_link()
2033 if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { in intel_hdcp2_check_link()
2042 if (hdcp->value == DRM_MODE_CONTENT_PROTECTION_UNDESIRED) in intel_hdcp2_check_link()
2088 mutex_unlock(&hdcp->mutex); in intel_hdcp2_check_link()
2094 struct intel_hdcp *hdcp = container_of(to_delayed_work(work), in intel_hdcp_check_work() local
2097 struct intel_connector *connector = intel_hdcp_to_connector(hdcp); in intel_hdcp_check_work()
2103 schedule_delayed_work(&hdcp->check_work, in intel_hdcp_check_work()
2106 schedule_delayed_work(&hdcp->check_work, in intel_hdcp_check_work()
2115 drm_dbg(&dev_priv->drm, "I915 HDCP comp bind\n"); in i915_hdcp_component_bind()
2129 drm_dbg(&dev_priv->drm, "I915 HDCP comp unbind\n"); in i915_hdcp_component_unbind()
2157 default: /* eDP, DSI TRANSCODERS are non HDCP capable */ in intel_get_mei_fw_tc()
2168 struct intel_hdcp *hdcp = &connector->hdcp; in initialize_hdcp_port_data() local
2200 data->streams[0].stream_type = hdcp->content_type; in initialize_hdcp_port_data()
2245 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp2_init() local
2250 drm_dbg_kms(&i915->drm, "Mei hdcp data init failed\n"); in intel_hdcp2_init()
2254 hdcp->hdcp2_supported = true; in intel_hdcp2_init()
2262 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_init() local
2273 hdcp->hdcp2_supported); in intel_hdcp_init()
2275 hdcp->hdcp2_supported = false; in intel_hdcp_init()
2280 hdcp->shim = shim; in intel_hdcp_init()
2281 mutex_init(&hdcp->mutex); in intel_hdcp_init()
2282 INIT_DELAYED_WORK(&hdcp->check_work, intel_hdcp_check_work); in intel_hdcp_init()
2283 INIT_WORK(&hdcp->prop_work, intel_hdcp_prop_work); in intel_hdcp_init()
2284 init_waitqueue_head(&hdcp->cp_irq_queue); in intel_hdcp_init()
2294 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_enable() local
2298 if (!hdcp->shim) in intel_hdcp_enable()
2307 mutex_lock(&hdcp->mutex); in intel_hdcp_enable()
2310 hdcp->value == DRM_MODE_CONTENT_PROTECTION_ENABLED); in intel_hdcp_enable()
2311 hdcp->content_type = content_type; in intel_hdcp_enable()
2314 hdcp->cpu_transcoder = pipe_config->mst_master_transcoder; in intel_hdcp_enable()
2315 hdcp->stream_transcoder = pipe_config->cpu_transcoder; in intel_hdcp_enable()
2317 hdcp->cpu_transcoder = pipe_config->cpu_transcoder; in intel_hdcp_enable()
2318 hdcp->stream_transcoder = INVALID_TRANSCODER; in intel_hdcp_enable()
2322 dig_port->hdcp_port_data.fw_tc = intel_get_mei_fw_tc(hdcp->cpu_transcoder); in intel_hdcp_enable()
2339 hdcp->content_type != DRM_MODE_HDCP_CONTENT_TYPE1) { in intel_hdcp_enable()
2344 schedule_delayed_work(&hdcp->check_work, check_link_interval); in intel_hdcp_enable()
2351 mutex_unlock(&hdcp->mutex); in intel_hdcp_enable()
2358 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_disable() local
2361 if (!hdcp->shim) in intel_hdcp_disable()
2364 mutex_lock(&hdcp->mutex); in intel_hdcp_disable()
2367 if (hdcp->value == DRM_MODE_CONTENT_PROTECTION_UNDESIRED) in intel_hdcp_disable()
2372 if (hdcp->hdcp2_encrypted) in intel_hdcp_disable()
2374 else if (hdcp->hdcp_encrypted) in intel_hdcp_disable()
2379 mutex_unlock(&hdcp->mutex); in intel_hdcp_disable()
2380 cancel_delayed_work_sync(&hdcp->check_work); in intel_hdcp_disable()
2391 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_update_pipe() local
2394 if (!connector->hdcp.shim) in intel_hdcp_update_pipe()
2398 (conn_state->hdcp_content_type != hdcp->content_type && in intel_hdcp_update_pipe()
2403 * During the HDCP encryption session if Type change is requested, in intel_hdcp_update_pipe()
2404 * disable the HDCP and reenable it with new TYPE value. in intel_hdcp_update_pipe()
2412 * Mark the hdcp state as DESIRED after the hdcp disable of type in intel_hdcp_update_pipe()
2416 mutex_lock(&hdcp->mutex); in intel_hdcp_update_pipe()
2417 hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; in intel_hdcp_update_pipe()
2419 schedule_work(&hdcp->prop_work); in intel_hdcp_update_pipe()
2420 mutex_unlock(&hdcp->mutex); in intel_hdcp_update_pipe()
2425 mutex_lock(&hdcp->mutex); in intel_hdcp_update_pipe()
2426 /* Avoid enabling hdcp, if it already ENABLED */ in intel_hdcp_update_pipe()
2428 hdcp->value != DRM_MODE_CONTENT_PROTECTION_ENABLED; in intel_hdcp_update_pipe()
2429 mutex_unlock(&hdcp->mutex); in intel_hdcp_update_pipe()
2431 * If HDCP already ENABLED and CP property is DESIRED, schedule in intel_hdcp_update_pipe()
2436 schedule_work(&hdcp->prop_work); in intel_hdcp_update_pipe()
2462 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_cleanup() local
2464 if (!hdcp->shim) in intel_hdcp_cleanup()
2469 * off another HDCP enable, which would re-spawn the workers. in intel_hdcp_cleanup()
2478 cancel_delayed_work_sync(&hdcp->check_work); in intel_hdcp_cleanup()
2489 drm_WARN_ON(connector->base.dev, work_pending(&hdcp->prop_work)); in intel_hdcp_cleanup()
2491 mutex_lock(&hdcp->mutex); in intel_hdcp_cleanup()
2492 hdcp->shim = NULL; in intel_hdcp_cleanup()
2493 mutex_unlock(&hdcp->mutex); in intel_hdcp_cleanup()
2518 * Fix the HDCP uapi content protection state in case of modeset. in intel_hdcp_atomic_check()
2519 * FIXME: As per HDCP content protection property uapi doc, an uevent() in intel_hdcp_atomic_check()
2529 * Nothing to do if the state didn't change, or HDCP was activated since in intel_hdcp_atomic_check()
2530 * the last commit. And also no change in hdcp content type. in intel_hdcp_atomic_check()
2543 /* Handles the CP_IRQ raised from the DP HDCP sink */
2546 struct intel_hdcp *hdcp = &connector->hdcp; in intel_hdcp_handle_cp_irq() local
2548 if (!hdcp->shim) in intel_hdcp_handle_cp_irq()
2551 atomic_inc(&connector->hdcp.cp_irq_count); in intel_hdcp_handle_cp_irq()
2552 wake_up_all(&connector->hdcp.cp_irq_queue); in intel_hdcp_handle_cp_irq()
2554 schedule_delayed_work(&hdcp->check_work, 0); in intel_hdcp_handle_cp_irq()