diff --git a/include/gui/BitTube.h b/include/gui/BitTube.h
new file mode 100644
index 0000000..76389a0
--- /dev/null
+++ b/include/gui/BitTube.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef ANDROID_GUI_SENSOR_CHANNEL_H
+#define ANDROID_GUI_SENSOR_CHANNEL_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+
+namespace android {
+// ----------------------------------------------------------------------------
+class Parcel;
+
+class BitTube : public RefBase
+{
+public:
+
+            BitTube();
+            BitTube(const Parcel& data);
+    virtual ~BitTube();
+
+    status_t initCheck() const;
+    int getFd() const;
+    ssize_t write(void const* vaddr, size_t size);
+    ssize_t read(void* vaddr, size_t size);
+
+    status_t writeToParcel(Parcel* reply) const;
+
+private:
+    int mSendFd;
+    mutable int mReceiveFd;
+};
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_SENSOR_CHANNEL_H