diff --git a/Android.mk b/Android.mk
index 566459b..fe1a4c5 100644
--- a/Android.mk
+++ b/Android.mk
@@ -147,6 +147,8 @@
 	telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl \
 	telephony/java/com/android/internal/telephony/IIccPhoneBook.aidl \
 	telephony/java/com/android/internal/telephony/ISms.aidl \
+	tts/java/android/tts/ITtsCallback.aidl \
+	tts/java/android/tts/ITts.aidl \
 	wifi/java/android/net/wifi/IWifiManager.aidl \
 	telephony/java/com/android/internal/telephony/IExtendedNetworkService.aidl
 
diff --git a/tts/java/android/tts/ITts.aidl b/tts/java/android/tts/ITts.aidl
new file mode 100755
index 0000000..1fe4a6a
--- /dev/null
+++ b/tts/java/android/tts/ITts.aidl
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.tts;
+
+import android.tts.ITtsCallback;
+
+import android.content.Intent;
+
+/**
+ * AIDL for the TTS Service
+ * ITts.java is autogenerated from this.
+ *
+ * {@hide}
+ */
+interface ITts {
+    void setEngine(in String engineName, in String[] requestedLanguages, in int strictness);
+
+    void setEngineWithIntent(in Intent engineIntent);
+
+    void setSpeechRate(in int speechRate);
+
+    void speak(in String text, in int queueMode, in String[] params);
+
+    boolean isSpeaking();
+
+    void stop();
+
+    void addSpeech(in String text, in String packageName, in int resId);
+
+    void addSpeechFile(in String text, in String filename);
+
+    void setLanguage(in String language);
+
+    boolean synthesizeToFile(in String text, in String[] params, in String outputDirectory);
+
+    void playEarcon(in String earcon, in int queueMode, in String[] params);
+
+    void addEarcon(in String earcon, in String packageName, in int resId);
+
+    void addEarconFile(in String earcon, in String filename);
+
+    void registerCallback(ITtsCallback cb);
+
+    void unregisterCallback(ITtsCallback cb);
+}
diff --git a/tts/java/android/tts/ITtsCallback.aidl b/tts/java/android/tts/ITtsCallback.aidl
new file mode 100755
index 0000000..1314010
--- /dev/null
+++ b/tts/java/android/tts/ITtsCallback.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.tts;
+
+/**
+ * AIDL for the callback from the TTS Service
+ * ITtsCallback.java is autogenerated from this.
+ *
+ * {@hide}
+ */
+oneway interface ITtsCallback {
+    void markReached(String mark);
+}