blob: 8c137d7c032e1ffa5d4e2ac288424ba4edba3008 [file] [log] [blame]
/*
* 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;
dtm_cmd->dtm_in_message.topology_update_v3.dio_output_type = link->dp.usb4_enabled ?
TA_DTM_DIO_OUTPUT_TYPE__DPIA :
TA_DTM_DIO_OUTPUT_TYPE__DIRECT;
dtm_cmd->dtm_in_message.topology_update_v3.dio_output_id = link->dio_output_id;
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;
}