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

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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
This commit is contained in:
Ramalingam C 2019-08-28 22:12:14 +05:30 committed by Uma Shankar
parent 807c71d59a
commit 2d15cf1b9a
2 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/misc/mei/hdcp/mei_hdcp.c
View File

@ -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));

5
drivers/misc/mei/hdcp/mei_hdcp.h
View File

@ -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;
/*