misc/mei/hdcp: Fill transcoder index in port info

For gen12+ platform we need to pass the transcoder info
as part of the port info into ME FW.

This change fills the payload for ME FW from hdcp_port_data.

v2:
  Doc is enhanced for physical_port and attached_transcoder [Tomas]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190828164216.405-5-ramalingam.c@intel.com

diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index 3638c77..93027fd 100644 (file)
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -58,6 +58,7 @@ mei_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data,
 
        session_init_in.port.integrated_port_type = data->port_type;
        session_init_in.port.physical_port = (u8)data->fw_ddi;
+       session_init_in.port.attached_transcoder = (u8)data->fw_tc;
        session_init_in.protocol = data->protocol;
 
        byte = mei_cldev_send(cldev, (u8 *)&session_init_in,
@@ -127,6 +128,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device *dev,
 
        verify_rxcert_in.port.integrated_port_type = data->port_type;
        verify_rxcert_in.port.physical_port = (u8)data->fw_ddi;
+       verify_rxcert_in.port.attached_transcoder = (u8)data->fw_tc;
 
        verify_rxcert_in.cert_rx = rx_cert->cert_rx;
        memcpy(verify_rxcert_in.r_rx, &rx_cert->r_rx, HDCP_2_2_RRX_LEN);
@@ -197,6 +199,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct hdcp_port_data *data,
 
        send_hprime_in.port.integrated_port_type = data->port_type;
        send_hprime_in.port.physical_port = (u8)data->fw_ddi;
+       send_hprime_in.port.attached_transcoder = (u8)data->fw_tc;
 
        memcpy(send_hprime_in.h_prime, rx_hprime->h_prime,
               HDCP_2_2_H_PRIME_LEN);
@@ -254,6 +257,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct hdcp_port_data *data,
 
        pairing_info_in.port.integrated_port_type = data->port_type;
        pairing_info_in.port.physical_port = (u8)data->fw_ddi;
+       pairing_info_in.port.attached_transcoder = (u8)data->fw_tc;
 
        memcpy(pairing_info_in.e_kh_km, pairing_info->e_kh_km,
               HDCP_2_2_E_KH_KM_LEN);
@@ -312,6 +316,7 @@ mei_hdcp_initiate_locality_check(struct device *dev,
 
        lc_init_in.port.integrated_port_type = data->port_type;
        lc_init_in.port.physical_port = (u8)data->fw_ddi;
+       lc_init_in.port.attached_transcoder = (u8)data->fw_tc;
 
        byte = mei_cldev_send(cldev, (u8 *)&lc_init_in, sizeof(lc_init_in));
        if (byte < 0) {
@@ -367,6 +372,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct hdcp_port_data *data,
 
        verify_lprime_in.port.integrated_port_type = data->port_type;
        verify_lprime_in.port.physical_port = (u8)data->fw_ddi;
+       verify_lprime_in.port.attached_transcoder = (u8)data->fw_tc;
 
        memcpy(verify_lprime_in.l_prime, rx_lprime->l_prime,
               HDCP_2_2_L_PRIME_LEN);
@@ -424,6 +430,7 @@ static int mei_hdcp_get_session_key(struct device *dev,
 
        get_skey_in.port.integrated_port_type = data->port_type;
        get_skey_in.port.physical_port = (u8)data->fw_ddi;
+       get_skey_in.port.attached_transcoder = (u8)data->fw_tc;
 
        byte = mei_cldev_send(cldev, (u8 *)&get_skey_in, sizeof(get_skey_in));
        if (byte < 0) {
@@ -488,6 +495,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct device *dev,
 
        verify_repeater_in.port.integrated_port_type = data->port_type;
        verify_repeater_in.port.physical_port = (u8)data->fw_ddi;
+       verify_repeater_in.port.attached_transcoder = (u8)data->fw_tc;
 
        memcpy(verify_repeater_in.rx_info, rep_topology->rx_info,
               HDCP_2_2_RXINFO_LEN);
@@ -558,6 +566,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
 
        verify_mprime_in.port.integrated_port_type = data->port_type;
        verify_mprime_in.port.physical_port = (u8)data->fw_ddi;
+       verify_mprime_in.port.attached_transcoder = (u8)data->fw_tc;
 
        memcpy(verify_mprime_in.m_prime, stream_ready->m_prime,
               HDCP_2_2_MPRIME_LEN);
@@ -619,6 +628,7 @@ static int mei_hdcp_enable_authentication(struct device *dev,
 
        enable_auth_in.port.integrated_port_type = data->port_type;
        enable_auth_in.port.physical_port = (u8)data->fw_ddi;
+       enable_auth_in.port.attached_transcoder = (u8)data->fw_tc;
        enable_auth_in.stream_type = data->streams[0].stream_type;
 
        byte = mei_cldev_send(cldev, (u8 *)&enable_auth_in,
@@ -673,6 +683,7 @@ mei_hdcp_close_session(struct device *dev, struct hdcp_port_data *data)
 
        session_close_in.port.integrated_port_type = data->port_type;
        session_close_in.port.physical_port = (u8)data->fw_ddi;
+       session_close_in.port.attached_transcoder = (u8)data->fw_tc;
 
        byte = mei_cldev_send(cldev, (u8 *)&session_close_in,
                              sizeof(session_close_in));

diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h b/drivers/misc/mei/hdcp/mei_hdcp.h
index e60282e..18ffc77 100644 (file)
--- a/drivers/misc/mei/hdcp/mei_hdcp.h
+++ b/drivers/misc/mei/hdcp/mei_hdcp.h
@@ -184,8 +184,11 @@ struct hdcp_cmd_no_data {
 /* Uniquely identifies the hdcp port being addressed for a given command. */
 struct hdcp_port_id {
        u8      integrated_port_type;
+       /* physical_port is used until Gen11.5. Must be zero for Gen11.5+ */
        u8      physical_port;
-       u16     reserved;
+       /* attached_transcoder is for Gen11.5+. Set to zero for <Gen11.5 */
+       u8      attached_transcoder;
+       u8      reserved;
 } __packed;
 
 /*