[PATCH v10 4/6] misc/mei/hdcp: Fill transcoder index in port info

Ramalingam C
2019-08-27T10:50:12Z

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.

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>
---
drivers/misc/mei/hdcp/mei_hdcp.c | 11 +++++++++++
drivers/misc/mei/hdcp/mei_hdcp.h | 4 +++-
2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index 3638c77eba26..93027fd96c71 100644
--- 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 e60282eb2d48..58e439d2fc1a 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.h
+++ b/drivers/misc/mei/hdcp/mei_hdcp.h
@@ -184,8 +184,10 @@ struct hdcp_cmd_no_data {
/* Uniquely identifies the hdcp port being addressed for a given command. */
struct hdcp_port_id {
u8 integrated_port_type;
+ /* Used until Gen11.5. Must be zero for Gen11.5+ */
u8 physical_port;
- u16 reserved;
+ u8 attached_transcoder;
+ u8 reserved;
} __packed;

/*
--
2.20.1