@@ -223,6 +223,67 @@ static int mei_verify_hprime(struct mei_cl_device *cldev,
return 0;
}
+/*
+ * mei_store_pairing_info:
+ * Function to store pairing info received from panel
+ *
+ * cldev : Pointer for mei client device
+ * data : Intel HW specific Data
+ * pairing_info : Pointer for AKE_Send_Pairing_Info
+ *
+ * Returns 0 on Success, <0 on Failure
+ */
+static int
+mei_store_pairing_info(struct mei_cl_device *cldev,
+ struct mei_hdcp_data *data,
+ struct hdcp2_ake_send_pairing_info *pairing_info)
+{
+ struct wired_cmd_ake_send_pairing_info_in pairing_info_in = { { 0 } };
+ struct wired_cmd_ake_send_pairing_info_out pairing_info_out = { { 0 } };
+ struct device *dev;
+ ssize_t byte;
+
+ if (!data || !pairing_info)
+ return -EINVAL;
+
+ dev = &cldev->dev;
+
+ pairing_info_in.header.api_version = HDCP_API_VERSION;
+ pairing_info_in.header.command_id = WIRED_AKE_SEND_PAIRING_INFO;
+ pairing_info_in.header.status = ME_HDCP_STATUS_SUCCESS;
+ pairing_info_in.header.buffer_len =
+ WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN;
+
+ pairing_info_in.port.integrated_port_type = data->port_type;
+ pairing_info_in.port.physical_port = data->port;
+
+ memcpy(pairing_info_in.e_kh_km, pairing_info->e_kh_km,
+ sizeof(pairing_info_in.e_kh_km));
+
+ byte = mei_cldev_send(cldev, (u8 *)&pairing_info_in,
+ sizeof(pairing_info_in));
+ if (byte < 0) {
+ dev_dbg(dev, "mei_cldev_send failed. %zd\n", byte);
+ return byte;
+ }
+
+ byte = mei_cldev_recv(cldev, (u8 *)&pairing_info_out,
+ sizeof(pairing_info_out));
+ if (byte < 0) {
+ dev_dbg(dev, "mei_cldev_recv failed. %zd\n", byte);
+ return byte;
+ }
+
+ if (pairing_info_out.header.status != ME_HDCP_STATUS_SUCCESS) {
+ dev_dbg(dev, "ME cmd 0x%08X failed. Status: 0x%X\n",
+ WIRED_AKE_SEND_PAIRING_INFO,
+ pairing_info_out.header.status);
+ return -EIO;
+ }
+
+ return 0;
+}
+
static __attribute__((unused))
struct i915_hdcp_component_ops mei_hdcp_ops = {
.owner = THIS_MODULE,
@@ -230,7 +291,7 @@ struct i915_hdcp_component_ops mei_hdcp_ops = {
.verify_receiver_cert_prepare_km =
mei_verify_receiver_cert_prepare_km,
.verify_hprime = mei_verify_hprime,
- .store_pairing_info = NULL,
+ .store_pairing_info = mei_store_pairing_info,
.initiate_locality_check = NULL,
.verify_lprime = NULL,
.get_session_key = NULL,