path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4500-drm-amd-display-Add-PSP-block-to-verify-HDCP2.2-step.patch

From 960ca96c1baf29d4050e20323e0a8ac78b018125 Mon Sep 17 00:00:00 2001
From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Wed, 18 Sep 2019 11:19:51 -0400
Subject: [PATCH 4500/4736] drm/amd/display: Add PSP block to verify HDCP2.2
 steps

[Why]
All the HDCP transactions should be verified using PSP

[How]
This patch adds the psp calls we need to verify the steps

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
---
 .../gpu/drm/amd/display/modules/hdcp/hdcp.h   |  44 ++
 .../drm/amd/display/modules/hdcp/hdcp_psp.c   | 502 +++++++++++++++++-
 .../drm/amd/display/modules/hdcp/hdcp_psp.h   | 194 +++++++
 3 files changed, 739 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
index 5664bc0b5bd0..d83f0ab1cadb 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
@@ -111,8 +111,33 @@ struct mod_hdcp_message_hdcp1 {
 	uint16_t	binfo_dp;
 };
 
+struct mod_hdcp_message_hdcp2 {
+	uint8_t		hdcp2version_hdmi;
+	uint8_t		rxcaps_dp[3];
+	uint16_t	rxstatus;
+
+	uint8_t		ake_init[12];
+	uint8_t		ake_cert[534];
+	uint8_t		ake_no_stored_km[129];
+	uint8_t		ake_stored_km[33];
+	uint8_t		ake_h_prime[33];
+	uint8_t		ake_pairing_info[17];
+	uint8_t		lc_init[9];
+	uint8_t		lc_l_prime[33];
+	uint8_t		ske_eks[25];
+	uint8_t		rx_id_list[177]; // 22 + 5 * 31
+	uint16_t	rx_id_list_size;
+	uint8_t		repeater_auth_ack[17];
+	uint8_t		repeater_auth_stream_manage[68]; // 6 + 2 * 31
+	uint16_t	stream_manage_size;
+	uint8_t		repeater_auth_stream_ready[33];
+
+	uint8_t		content_stream_type_dp[2];
+};
+
 union mod_hdcp_message {
 	struct mod_hdcp_message_hdcp1 hdcp1;
+	struct mod_hdcp_message_hdcp2 hdcp2;
 };
 
 struct mod_hdcp_auth_counters {
@@ -234,6 +259,25 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(
 enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp);
 enum mod_hdcp_status mod_hdcp_hdcp1_get_link_encryption_status(struct mod_hdcp *hdcp,
 							       enum mod_hdcp_encryption_status *encryption_status);
+enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(
+		struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(
+		struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(
+		struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_get_link_encryption_status(struct mod_hdcp *hdcp,
+							       enum mod_hdcp_encryption_status *encryption_status);
+
 /* ddc functions */
 enum mod_hdcp_status mod_hdcp_read_bksv(struct mod_hdcp *hdcp);
 enum mod_hdcp_status mod_hdcp_read_bcaps(struct mod_hdcp *hdcp);
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index 646d909bbc37..ddba0cfa5722 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -31,6 +31,19 @@
 #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_id = 0;
+}
 enum mod_hdcp_status mod_hdcp_remove_display_topology(struct mod_hdcp *hdcp)
 {
 
@@ -42,7 +55,7 @@ enum mod_hdcp_status mod_hdcp_remove_display_topology(struct mod_hdcp *hdcp)
 	dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf;
 
 	for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
-		if (hdcp->connection.displays[i].state == MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED) {
+		if (is_display_added(&(hdcp->connection.displays[i]))) {
 
 			memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
 
@@ -326,3 +339,490 @@ enum mod_hdcp_status mod_hdcp_hdcp1_get_link_encryption_status(struct mod_hdcp *
 	return MOD_HDCP_STATUS_SUCCESS;
 }
 
+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_added_display(hdcp);
+
+	if (!psp->hdcp_context.hdcp_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.hdcp_shared_buf;
+	memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+	if (!display)
+		return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
+	hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
+
+	if (hdcp->connection.link.adjust.hdcp2.disable_type1)
+		hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
+			TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE0;
+	else
+		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)
+		return MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE;
+
+	hdcp->auth.id = hdcp_cmd->out_msg.hdcp2_create_session_v2.session_handle;
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE;
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE;
+
+	memcpy(&hdcp->auth.msg.hdcp2.ake_init[0], &msg_out->prepare.transmitter_message[0],
+	       sizeof(hdcp->auth.msg.hdcp2.ake_init));
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
+
+	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;
+		return MOD_HDCP_STATUS_SUCCESS;
+	}
+
+	return MOD_HDCP_STATUS_FAILURE;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
+
+	if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+		return 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)
+		return MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE;
+
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE;
+
+	memcpy(hdcp->auth.msg.hdcp2.lc_init, &msg_out->prepare.transmitter_message[0],
+	       sizeof(hdcp->auth.msg.hdcp2.lc_init));
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
+
+	if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+		return MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE;
+
+	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));
+	}
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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 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;
+	struct mod_hdcp_display *display = get_first_added_display(hdcp);
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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);
+
+	if (!display)
+		return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
+	hdcp_cmd->in_msg.hdcp1_enable_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)
+		return MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE;
+
+	if (!is_dp_mst_hdcp(hdcp)) {
+		display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
+	}
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
+
+	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;
+		return MOD_HDCP_STATUS_SUCCESS;
+	}
+
+
+	return MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
+}
+
+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;
+	struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+	uint8_t i;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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);
+
+
+	for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
+		if (hdcp->connection.displays[i].state != MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED ||
+		    hdcp->connection.displays[i].adjust.disable)
+			continue;
+		hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.display_handle = hdcp->connection.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->connection.displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
+	}
+
+	return (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS) ? MOD_HDCP_STATUS_SUCCESS
+								  : MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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)
+		return MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE;
+
+	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));
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
+
+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;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_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);
+
+	return (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) &&
+			       (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+		       ? MOD_HDCP_STATUS_SUCCESS
+		       : MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_get_link_encryption_status(struct mod_hdcp *hdcp,
+							       enum mod_hdcp_encryption_status *encryption_status)
+{
+	struct psp_context *psp = hdcp->config.psp.handle;
+	struct ta_hdcp_shared_memory *hdcp_cmd;
+
+	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
+
+	memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+	hdcp_cmd->in_msg.hdcp2_get_encryption_status.session_handle = hdcp->auth.id;
+	hdcp_cmd->out_msg.hdcp2_get_encryption_status.protection_level = 0;
+	hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_GET_ENCRYPTION_STATUS;
+	*encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF;
+
+	psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+	if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
+		return MOD_HDCP_STATUS_FAILURE;
+
+	if (hdcp_cmd->out_msg.hdcp2_get_encryption_status.protection_level == 1) {
+		if (hdcp_cmd->out_msg.hdcp2_get_encryption_status.hdcp2_type == TA_HDCP2_CONTENT_TYPE__TYPE1)
+			*encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE1_ON;
+		else
+			*encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE0_ON;
+	}
+
+	return MOD_HDCP_STATUS_SUCCESS;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h
index 986fc07ea9ea..82a5e997d573 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h
@@ -36,6 +36,11 @@ enum bgd_security_hdcp_encryption_level {
 	HDCP_ENCRYPTION_LEVEL__ON
 };
 
+enum bgd_security_hdcp2_content_type {
+	HDCP2_CONTENT_TYPE__INVALID = 0,
+	HDCP2_CONTENT_TYPE__TYPE0,
+	HDCP2_CONTENT_TYPE__TYPE1
+};
 enum ta_dtm_command {
 	TA_DTM_COMMAND__UNUSED_1 = 1,
 	TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2,
@@ -121,8 +126,64 @@ enum ta_hdcp_command {
 	TA_HDCP_COMMAND__HDCP1_ENABLE_ENCRYPTION,
 	TA_HDCP_COMMAND__HDCP1_ENABLE_DP_STREAM_ENCRYPTION,
 	TA_HDCP_COMMAND__HDCP1_GET_ENCRYPTION_STATUS,
+	TA_HDCP_COMMAND__UNUSED_1,
+	TA_HDCP_COMMAND__HDCP2_DESTROY_SESSION,
+	TA_HDCP_COMMAND__UNUSED_2,
+	TA_HDCP_COMMAND__HDCP2_SET_ENCRYPTION,
+	TA_HDCP_COMMAND__HDCP2_GET_ENCRYPTION_STATUS,
+	TA_HDCP_COMMAND__UNUSED_3,
+	TA_HDCP_COMMAND__HDCP2_CREATE_SESSION_V2,
+	TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2,
+	TA_HDCP_COMMAND__HDCP2_ENABLE_DP_STREAM_ENCRYPTION
+};
+
+enum ta_hdcp2_msg_id {
+	TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE = 1,
+	TA_HDCP_HDCP2_MSG_ID__AKE_INIT = 2,
+	TA_HDCP_HDCP2_MSG_ID__AKE_SEND_CERT = 3,
+	TA_HDCP_HDCP2_MSG_ID__AKE_NO_STORED_KM = 4,
+	TA_HDCP_HDCP2_MSG_ID__AKE_STORED_KM = 5,
+	TA_HDCP_HDCP2_MSG_ID__AKE_SEND_RRX = 6,
+	TA_HDCP_HDCP2_MSG_ID__AKE_SEND_H_PRIME = 7,
+	TA_HDCP_HDCP2_MSG_ID__AKE_SEND_PAIRING_INFO = 8,
+	TA_HDCP_HDCP2_MSG_ID__LC_INIT = 9,
+	TA_HDCP_HDCP2_MSG_ID__LC_SEND_L_PRIME = 10,
+	TA_HDCP_HDCP2_MSG_ID__SKE_SEND_EKS = 11,
+	TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_RECEIVERID_LIST = 12,
+	TA_HDCP_HDCP2_MSG_ID__RTT_READY = 13,
+	TA_HDCP_HDCP2_MSG_ID__RTT_CHALLENGE = 14,
+	TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_ACK = 15,
+	TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_MANAGE = 16,
+	TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_READY = 17,
+	TA_HDCP_HDCP2_MSG_ID__RECEIVER_AUTH_STATUS = 18,
+	TA_HDCP_HDCP2_MSG_ID__AKE_TRANSMITTER_INFO = 19,
+	TA_HDCP_HDCP2_MSG_ID__AKE_RECEIVER_INFO = 20,
+	TA_HDCP_HDCP2_MSG_ID__SIGNAL_CONTENT_STREAM_TYPE_DP = 129
 };
 
+enum ta_hdcp2_hdcp2_msg_id_max_size {
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__NULL_MESSAGE = 0,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_INIT = 12,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_CERT = 534,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_NO_STORED_KM = 129,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_STORED_KM = 33,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_RRX = 9,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_H_PRIME = 33,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_PAIRING_INFO = 17,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__LC_INIT = 9,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__LC_SEND_L_PRIME = 33,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__SKE_SEND_EKS = 25,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_SEND_RECEIVERID_LIST = 181,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__RTT_READY = 1,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__RTT_CHALLENGE = 17,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_SEND_RACK = 17,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_STREAM_MANAGE = 13,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_STREAM_READY = 33,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__RECEIVER_AUTH_STATUS = 4,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_TRANSMITTER_INFO = 6,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_RECEIVER_INFO = 6,
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__SIGNAL_CONTENT_STREAM_TYPE_DP = 1
+};
 
 /* HDCP related enumerations */
 /**********************************************************/
@@ -131,6 +192,12 @@ enum ta_hdcp_command {
 #define TA_HDCP__HDCP1_KSV_SIZE 5
 #define TA_HDCP__HDCP1_KSV_LIST_MAX_ENTRIES 127
 #define TA_HDCP__HDCP1_V_PRIME_SIZE 20
+#define TA_HDCP__HDCP2_TX_BUF_MAX_SIZE                                                                                 \
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_NO_STORED_KM + TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_STORED_KM + 6
+
+// 64 bits boundaries
+#define TA_HDCP__HDCP2_RX_BUF_MAX_SIZE                                                                                 \
+	TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_CERT + TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_RECEIVER_INFO + 4
 
 enum ta_hdcp_status {
 	TA_HDCP_STATUS__SUCCESS = 0x00,
@@ -165,9 +232,47 @@ enum ta_hdcp_authentication_status {
 	TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE = 0x02,
 	TA_HDCP_AUTHENTICATION_STATUS__HDCP1_SECOND_PART_FAILED = 0x03,
 	TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED = 0x04,
+	TA_HDCP_AUTHENTICATION_STATUS__HDCP22_AUTHENTICATION_PENDING = 0x06,
+	TA_HDCP_AUTHENTICATION_STATUS__HDCP22_AUTHENTICATION_FAILED = 0x07,
+	TA_HDCP_AUTHENTICATION_STATUS__HDCP22_AUTHENTICATED = 0x08,
 	TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_VALIDATION_FAILED = 0x09
 };
 
+enum ta_hdcp2_msg_authentication_status {
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS = 0,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__KM_NOT_AVAILABLE,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__UNUSED,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID = 100, // everything above does not fail the request
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__NOT_ENOUGH_MEMORY,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__NOT_EXPECTED_MSG,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__SIGNATURE_CERTIFICAT_ERROR,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__INCORRECT_HDCP_VERSION,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__UNKNOWN_MESSAGE,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_HMAC,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_TOPOLOGY,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_SEQ_NUM,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_SIZE,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_LENGTH,
+	TA_HDCP2_MSG_AUTHENTICATION_STATUS__REAUTH_REQUEST
+};
+
+enum ta_hdcp_content_type {
+	TA_HDCP2_CONTENT_TYPE__TYPE0 = 1,
+	TA_HDCP2_CONTENT_TYPE__TYPE1,
+};
+
+enum ta_hdcp_content_type_negotiation_type {
+	TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE0 = 1,
+	TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE1,
+	TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__MAX_SUPPORTED
+};
+
+enum ta_hdcp2_version {
+	TA_HDCP2_VERSION_UNKNOWN = 0,
+	TA_HDCP2_VERSION_2_0 = 20,
+	TA_HDCP2_VERSION_2_1 = 21,
+	TA_HDCP2_VERSION_2_2 = 22
+};
 
 /* input/output structures for HDCP commands */
 /**********************************************************/
@@ -232,6 +337,84 @@ struct ta_hdcp_cmd_hdcp1_get_encryption_status_output {
 	uint32_t protection_level;
 };
 
+struct ta_hdcp_cmd_hdcp2_create_session_input_v2 {
+	uint32_t display_handle;
+	enum ta_hdcp_content_type_negotiation_type negotiate_content_type;
+};
+
+struct ta_hdcp_cmd_hdcp2_create_session_output_v2 {
+	uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_destroy_session_input {
+	uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_authentication_message_v2 {
+	enum ta_hdcp2_msg_id msg_id;
+	uint32_t msg_size;
+};
+
+struct ta_hdcp_cmd_hdcp2_process_authentication_message_input_v2 {
+	struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg1_desc;
+	struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg2_desc;
+	struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg3_desc;
+	uint8_t receiver_message[TA_HDCP__HDCP2_RX_BUF_MAX_SIZE];
+};
+
+struct ta_hdcp_cmd_hdcp2_process_authentication_message_output_v2 {
+	uint32_t hdcp_version;
+	uint32_t is_km_stored;
+	uint32_t is_locality_precompute_support;
+	uint32_t is_repeater;
+	enum ta_hdcp2_msg_authentication_status msg1_status;
+	enum ta_hdcp2_msg_authentication_status msg2_status;
+	enum ta_hdcp2_msg_authentication_status msg3_status;
+};
+
+struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_input_v2 {
+	enum ta_hdcp2_msg_id msg1_id;
+	enum ta_hdcp2_msg_id msg2_id;
+};
+
+struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_output_v2 {
+	enum ta_hdcp2_msg_authentication_status msg1_status;
+	enum ta_hdcp2_msg_authentication_status msg2_status;
+	struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg1_desc;
+	struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg2_desc;
+	uint8_t transmitter_message[TA_HDCP__HDCP2_TX_BUF_MAX_SIZE];
+};
+
+struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 {
+	uint32_t session_handle;
+	struct ta_hdcp_cmd_hdcp2_process_authentication_message_input_v2 process;
+	struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_input_v2 prepare;
+};
+
+struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 {
+	uint32_t authentication_status;
+	struct ta_hdcp_cmd_hdcp2_process_authentication_message_output_v2 process;
+	struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_output_v2 prepare;
+};
+
+struct ta_hdcp_cmd_hdcp2_set_encryption_input {
+	uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_get_encryption_status_input {
+	uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_get_encryption_status_output {
+	enum ta_hdcp_content_type hdcp2_type;
+	uint32_t protection_level;
+};
+
+struct ta_hdcp_cmd_hdcp2_enable_dp_stream_encryption_input {
+	uint32_t session_handle;
+	uint32_t display_handle;
+};
+
 /**********************************************************/
 /* Common input structure for HDCP callbacks */
 union ta_hdcp_cmd_input {
@@ -242,6 +425,13 @@ union ta_hdcp_cmd_input {
 	struct ta_hdcp_cmd_hdcp1_enable_encryption_input hdcp1_enable_encryption;
 	struct ta_hdcp_cmd_hdcp1_enable_dp_stream_encryption_input hdcp1_enable_dp_stream_encryption;
 	struct ta_hdcp_cmd_hdcp1_get_encryption_status_input hdcp1_get_encryption_status;
+	struct ta_hdcp_cmd_hdcp2_destroy_session_input hdcp2_destroy_session;
+	struct ta_hdcp_cmd_hdcp2_set_encryption_input hdcp2_set_encryption;
+	struct ta_hdcp_cmd_hdcp2_get_encryption_status_input hdcp2_get_encryption_status;
+	struct ta_hdcp_cmd_hdcp2_create_session_input_v2 hdcp2_create_session_v2;
+	struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2
+		hdcp2_prepare_process_authentication_message_v2;
+	struct ta_hdcp_cmd_hdcp2_enable_dp_stream_encryption_input hdcp2_enable_dp_stream_encryption;
 };
 
 /* Common output structure for HDCP callbacks */
@@ -250,6 +440,10 @@ union ta_hdcp_cmd_output {
 	struct ta_hdcp_cmd_hdcp1_first_part_authentication_output hdcp1_first_part_authentication;
 	struct ta_hdcp_cmd_hdcp1_second_part_authentication_output hdcp1_second_part_authentication;
 	struct ta_hdcp_cmd_hdcp1_get_encryption_status_output hdcp1_get_encryption_status;
+	struct ta_hdcp_cmd_hdcp2_get_encryption_status_output hdcp2_get_encryption_status;
+	struct ta_hdcp_cmd_hdcp2_create_session_output_v2 hdcp2_create_session_v2;
+	struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2
+		hdcp2_prepare_process_authentication_message_v2;
 };
 /**********************************************************/
 
-- 
2.17.1