diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c | 1021 |
1 files changed, 1021 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c new file mode 100644 index 000000000000..be61975f1470 --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c @@ -0,0 +1,1021 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#define MAX_NUM_DISPLAYS 24 + + +#include "hdcp.h" + +#include "amdgpu.h" +#include "hdcp_psp.h" + +static void hdcp2_message_init(struct mod_hdcp *hdcp, + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *in) +{ + in->session_handle = hdcp->auth.id; + in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE; + in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE; + in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE; + in->process.msg1_desc.msg_size = 0; + in->process.msg2_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE; + in->process.msg2_desc.msg_size = 0; + in->process.msg3_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE; + in->process.msg3_desc.msg_size = 0; +} + +static enum mod_hdcp_status remove_display_from_topology_v2( + struct mod_hdcp *hdcp, uint8_t index) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_dtm_shared_memory *dtm_cmd; + struct mod_hdcp_display *display = + get_active_display_at_index(hdcp, index); + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf; + + if (!display || !is_display_active(display)) + return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND; + + mutex_lock(&psp->dtm_context.mutex); + + memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory)); + + dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2; + dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index; + dtm_cmd->dtm_in_message.topology_update_v2.is_active = 0; + dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE; + + psp_dtm_invoke(psp, dtm_cmd->cmd_id); + + if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE; + } else { + display->state = MOD_HDCP_DISPLAY_ACTIVE; + HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index); + } + + mutex_unlock(&psp->dtm_context.mutex); + return status; +} + +static enum mod_hdcp_status remove_display_from_topology_v3( + struct mod_hdcp *hdcp, uint8_t index) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_dtm_shared_memory *dtm_cmd; + struct mod_hdcp_display *display = + get_active_display_at_index(hdcp, index); + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf; + + if (!display || !is_display_active(display)) + return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND; + + mutex_lock(&psp->dtm_context.mutex); + + memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory)); + + dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V3; + dtm_cmd->dtm_in_message.topology_update_v3.display_handle = display->index; + dtm_cmd->dtm_in_message.topology_update_v3.is_active = 0; + dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE; + + psp_dtm_invoke(psp, dtm_cmd->cmd_id); + mutex_unlock(&psp->dtm_context.mutex); + + if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) { + status = remove_display_from_topology_v2(hdcp, index); + if (status != MOD_HDCP_STATUS_SUCCESS) + display->state = MOD_HDCP_DISPLAY_INACTIVE; + } else { + display->state = MOD_HDCP_DISPLAY_ACTIVE; + HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index); + } + + return status; +} + +static enum mod_hdcp_status add_display_to_topology_v2( + struct mod_hdcp *hdcp, struct mod_hdcp_display *display) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_dtm_shared_memory *dtm_cmd; + struct mod_hdcp_link *link = &hdcp->connection.link; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (!psp->dtm_context.context.initialized) { + DRM_INFO("Failed to add display topology, DTM TA is not initialized."); + display->state = MOD_HDCP_DISPLAY_INACTIVE; + return MOD_HDCP_STATUS_FAILURE; + } + + dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf; + + mutex_lock(&psp->dtm_context.mutex); + memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory)); + + dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2; + dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index; + dtm_cmd->dtm_in_message.topology_update_v2.is_active = 1; + dtm_cmd->dtm_in_message.topology_update_v2.controller = display->controller; + dtm_cmd->dtm_in_message.topology_update_v2.ddc_line = link->ddc_line; + dtm_cmd->dtm_in_message.topology_update_v2.dig_be = link->dig_be; + dtm_cmd->dtm_in_message.topology_update_v2.dig_fe = display->dig_fe; + if (is_dp_hdcp(hdcp)) + dtm_cmd->dtm_in_message.topology_update_v2.is_assr = link->dp.assr_enabled; + + dtm_cmd->dtm_in_message.topology_update_v2.dp_mst_vcid = display->vc_id; + dtm_cmd->dtm_in_message.topology_update_v2.max_hdcp_supported_version = + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_2; + dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE; + + psp_dtm_invoke(psp, dtm_cmd->cmd_id); + + if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) { + display->state = MOD_HDCP_DISPLAY_INACTIVE; + status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE; + } else { + HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index); + } + + mutex_unlock(&psp->dtm_context.mutex); + return status; +} + +static enum mod_hdcp_status add_display_to_topology_v3( + struct mod_hdcp *hdcp, struct mod_hdcp_display *display) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_dtm_shared_memory *dtm_cmd; + struct mod_hdcp_link *link = &hdcp->connection.link; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (!psp->dtm_context.context.initialized) { + DRM_INFO("Failed to add display topology, DTM TA is not initialized."); + display->state = MOD_HDCP_DISPLAY_INACTIVE; + return MOD_HDCP_STATUS_FAILURE; + } + + dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf; + + mutex_lock(&psp->dtm_context.mutex); + memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory)); + + dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V3; + dtm_cmd->dtm_in_message.topology_update_v3.display_handle = display->index; + dtm_cmd->dtm_in_message.topology_update_v3.is_active = 1; + dtm_cmd->dtm_in_message.topology_update_v3.controller = display->controller; + dtm_cmd->dtm_in_message.topology_update_v3.ddc_line = link->ddc_line; + dtm_cmd->dtm_in_message.topology_update_v3.link_enc = link->link_enc_idx; + dtm_cmd->dtm_in_message.topology_update_v3.stream_enc = display->stream_enc_idx; + if (is_dp_hdcp(hdcp)) + dtm_cmd->dtm_in_message.topology_update_v3.is_assr = link->dp.assr_enabled; + + dtm_cmd->dtm_in_message.topology_update_v3.dp_mst_vcid = display->vc_id; + dtm_cmd->dtm_in_message.topology_update_v3.max_hdcp_supported_version = + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_3; + dtm_cmd->dtm_in_message.topology_update_v3.encoder_type = TA_DTM_ENCODER_TYPE__DIG; + dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE; + dtm_cmd->dtm_in_message.topology_update_v3.phy_id = link->phy_idx; + dtm_cmd->dtm_in_message.topology_update_v3.link_hdcp_cap = link->hdcp_supported_informational; + + psp_dtm_invoke(psp, dtm_cmd->cmd_id); + mutex_unlock(&psp->dtm_context.mutex); + + if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) { + status = add_display_to_topology_v2(hdcp, display); + if (status != MOD_HDCP_STATUS_SUCCESS) + display->state = MOD_HDCP_DISPLAY_INACTIVE; + } else { + HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index); + } + + return status; +} + +enum mod_hdcp_status mod_hdcp_remove_display_from_topology( + struct mod_hdcp *hdcp, uint8_t index) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE; + + if (hdcp->config.psp.caps.dtm_v3_supported) + status = remove_display_from_topology_v3(hdcp, index); + else + status = remove_display_from_topology_v2(hdcp, index); + + return status; +} + +enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp, + struct mod_hdcp_display *display) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (hdcp->config.psp.caps.dtm_v3_supported) + status = add_display_to_topology_v3(hdcp, display); + else + status = add_display_to_topology_v2(hdcp, display); + + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct mod_hdcp_display *display = get_first_active_display(hdcp); + struct ta_hdcp_shared_memory *hdcp_cmd; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (!psp->hdcp_context.context.initialized) { + DRM_ERROR("Failed to create hdcp session. HDCP TA is not initialized."); + return MOD_HDCP_STATUS_FAILURE; + } + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + + mutex_lock(&psp->hdcp_context.mutex); + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_create_session.display_handle = display->index; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_CREATE_SESSION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + hdcp->auth.id = hdcp_cmd->out_msg.hdcp1_create_session.session_handle; + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE; + } else { + hdcp->auth.msg.hdcp1.ainfo = hdcp_cmd->out_msg.hdcp1_create_session.ainfo_primary; + memcpy(hdcp->auth.msg.hdcp1.aksv, hdcp_cmd->out_msg.hdcp1_create_session.aksv_primary, + sizeof(hdcp->auth.msg.hdcp1.aksv)); + memcpy(hdcp->auth.msg.hdcp1.an, hdcp_cmd->out_msg.hdcp1_create_session.an_primary, + sizeof(hdcp->auth.msg.hdcp1.an)); + } + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + uint8_t i = 0; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_destroy_session.session_handle = hdcp->auth.id; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_DESTROY_SESSION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE; + } else { + HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp); + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) + if (is_display_encryption_enabled(&hdcp->displays[i])) { + hdcp->displays[i].state = + MOD_HDCP_DISPLAY_ACTIVE; + HDCP_HDCP1_DISABLED_TRACE( + hdcp, hdcp->displays[i].index); + } + } + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_first_part_authentication.session_handle = hdcp->auth.id; + + memcpy(hdcp_cmd->in_msg.hdcp1_first_part_authentication.bksv_primary, hdcp->auth.msg.hdcp1.bksv, + TA_HDCP__HDCP1_KSV_SIZE); + + hdcp_cmd->in_msg.hdcp1_first_part_authentication.r0_prime_primary = hdcp->auth.msg.hdcp1.r0p; + hdcp_cmd->in_msg.hdcp1_first_part_authentication.bcaps = hdcp->auth.msg.hdcp1.bcaps; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_FIRST_PART_AUTHENTICATION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE; + } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status == + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE) { + /* needs second part of authentication */ + hdcp->connection.is_repeater = 1; + } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status == + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED) { + hdcp->connection.is_repeater = 0; + } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status == + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) { + hdcp->connection.is_hdcp1_revoked = 1; + status = MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED; + } else + status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE; + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct mod_hdcp_display *display = get_first_active_display(hdcp); + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_enable_encryption.session_handle = hdcp->auth.id; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_ENCRYPTION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE; + } else if (!is_dp_mst_hdcp(hdcp)) { + display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED; + HDCP_HDCP1_ENABLED_TRACE(hdcp, display->index); + } + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_second_part_authentication.session_handle = hdcp->auth.id; + + hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list_size = hdcp->auth.msg.hdcp1.ksvlist_size; + memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list, hdcp->auth.msg.hdcp1.ksvlist, + hdcp->auth.msg.hdcp1.ksvlist_size); + + memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.v_prime, hdcp->auth.msg.hdcp1.vp, + sizeof(hdcp->auth.msg.hdcp1.vp)); + + hdcp_cmd->in_msg.hdcp1_second_part_authentication.bstatus_binfo = + is_dp_hdcp(hdcp) ? hdcp->auth.msg.hdcp1.binfo_dp : hdcp->auth.msg.hdcp1.bstatus; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_SECOND_PART_AUTHENTICATION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS && + hdcp_cmd->out_msg.hdcp1_second_part_authentication.authentication_status == + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED) { + status = MOD_HDCP_STATUS_SUCCESS; + } else if (hdcp_cmd->out_msg.hdcp1_second_part_authentication.authentication_status == + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) { + hdcp->connection.is_hdcp1_revoked = 1; + status = MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED; + } else { + status = MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE; + } + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + int i = 0; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { + + if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE) + continue; + + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.session_handle = hdcp->auth.id; + hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_DP_STREAM_ENCRYPTION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE; + break; + } + + hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED; + HDCP_HDCP1_ENABLED_TRACE(hdcp, hdcp->displays[i].index); + } + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_get_encryption_status.session_handle = hdcp->auth.id; + + hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level = 0; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_GET_ENCRYPTION_STATUS; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS || + hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level != 1) + status = MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE; + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct mod_hdcp_display *display = get_first_active_display(hdcp); + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + + if (!psp->hdcp_context.context.initialized) { + DRM_ERROR("Failed to create hdcp session, HDCP TA is not initialized"); + return MOD_HDCP_STATUS_FAILURE; + } + + if (!display) + return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND; + + mutex_lock(&psp->hdcp_context.mutex); + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index; + + if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0) + hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type = + TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE0; + else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_1) + hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type = + TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE1; + else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_MAX) + hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type = + TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__MAX_SUPPORTED; + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_CREATE_SESSION_V2; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE; + else + hdcp->auth.id = hdcp_cmd->out_msg.hdcp2_create_session_v2.session_handle; + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + uint8_t i = 0; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp2_destroy_session.session_handle = hdcp->auth.id; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_DESTROY_SESSION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE; + } else { + HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp); + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) + if (is_display_encryption_enabled(&hdcp->displays[i])) { + hdcp->displays[i].state = + MOD_HDCP_DISPLAY_ACTIVE; + HDCP_HDCP2_DISABLED_TRACE( + hdcp, hdcp->displays[i].index); + } + } + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__AKE_INIT; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE; + else + memcpy(&hdcp->auth.msg.hdcp2.ake_init[0], &msg_out->prepare.transmitter_message[0], + sizeof(hdcp->auth.msg.hdcp2.ake_init)); + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_CERT; + msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_CERT; + + memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.ake_cert, + sizeof(hdcp->auth.msg.hdcp2.ake_cert)); + + msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__AKE_NO_STORED_KM; + msg_in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__AKE_STORED_KM; + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE; + } else { + memcpy(hdcp->auth.msg.hdcp2.ake_no_stored_km, + &msg_out->prepare.transmitter_message[0], + sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)); + + memcpy(hdcp->auth.msg.hdcp2.ake_stored_km, + &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)], + sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)); + + if (msg_out->process.msg1_status == + TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) { + hdcp->connection.is_km_stored = + msg_out->process.is_km_stored ? 1 : 0; + hdcp->connection.is_repeater = + msg_out->process.is_repeater ? 1 : 0; + status = MOD_HDCP_STATUS_SUCCESS; + } else if (msg_out->process.msg1_status == + TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) { + hdcp->connection.is_hdcp2_revoked = 1; + status = MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED; + } else { + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE; + } + } + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_H_PRIME; + msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_H_PRIME; + + memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.ake_h_prime, + sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)); + + if (!hdcp->connection.is_km_stored) { + msg_in->process.msg2_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_PAIRING_INFO; + msg_in->process.msg2_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_PAIRING_INFO; + memcpy(&msg_in->process.receiver_message[sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)], + hdcp->auth.msg.hdcp2.ake_pairing_info, sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)); + } + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE; + else if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE; + else if (!hdcp->connection.is_km_stored && + msg_out->process.msg2_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE; + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__LC_INIT; + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE; + else + memcpy(hdcp->auth.msg.hdcp2.lc_init, &msg_out->prepare.transmitter_message[0], + sizeof(hdcp->auth.msg.hdcp2.lc_init)); + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__LC_SEND_L_PRIME; + msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__LC_SEND_L_PRIME; + + memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.lc_l_prime, + sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)); + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS || + msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE; + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__SKE_SEND_EKS; + + if (is_dp_hdcp(hdcp)) + msg_in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__SIGNAL_CONTENT_STREAM_TYPE_DP; + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE; + } else { + memcpy(hdcp->auth.msg.hdcp2.ske_eks, + &msg_out->prepare.transmitter_message[0], + sizeof(hdcp->auth.msg.hdcp2.ske_eks)); + msg_out->prepare.msg1_desc.msg_size = + sizeof(hdcp->auth.msg.hdcp2.ske_eks); + + if (is_dp_hdcp(hdcp)) { + memcpy(hdcp->auth.msg.hdcp2.content_stream_type_dp, + &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ske_eks)], + sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)); + } + } + mutex_unlock(&psp->hdcp_context.mutex); + + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct mod_hdcp_display *display = get_first_active_display(hdcp); + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (!display) + return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND; + + mutex_lock(&psp->hdcp_context.mutex); + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp2_set_encryption.session_handle = hdcp->auth.id; + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_SET_ENCRYPTION; + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE; + } else if (!is_dp_mst_hdcp(hdcp)) { + display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED; + HDCP_HDCP2_ENABLED_TRACE(hdcp, display->index); + } + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_RECEIVERID_LIST; + msg_in->process.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.rx_id_list); + memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.rx_id_list, + sizeof(hdcp->auth.msg.hdcp2.rx_id_list)); + + msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_ACK; + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE; + } else { + memcpy(hdcp->auth.msg.hdcp2.repeater_auth_ack, + &msg_out->prepare.transmitter_message[0], + sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)); + + if (msg_out->process.msg1_status == + TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) { + hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0; + hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0; + status = MOD_HDCP_STATUS_SUCCESS; + } else if (msg_out->process.msg1_status == + TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) { + hdcp->connection.is_hdcp2_revoked = 1; + status = MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED; + } else { + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE; + } + } + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + uint8_t i; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { + if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE) + continue; + + hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index; + hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.session_handle = hdcp->auth.id; + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_ENABLE_DP_STREAM_ENCRYPTION; + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + break; + + hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED; + HDCP_HDCP2_ENABLED_TRACE(hdcp, hdcp->displays[i].index); + } + + if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_SUCCESS; + else + status = MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE; + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_MANAGE; + + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) { + status = MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE; + } else { + hdcp->auth.msg.hdcp2.stream_manage_size = msg_out->prepare.msg1_desc.msg_size; + + memcpy(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, + &msg_out->prepare.transmitter_message[0], + sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage)); + } + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in; + struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + mutex_lock(&psp->hdcp_context.mutex); + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2; + msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2; + + hdcp2_message_init(hdcp, msg_in); + + msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_READY; + + msg_in->process.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready); + + memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.repeater_auth_stream_ready, + sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)); + + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2; + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS && + msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) + status = MOD_HDCP_STATUS_SUCCESS; + else + status = MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE; + + mutex_unlock(&psp->hdcp_context.mutex); + return status; +} |