diff --git a/include/ui/ISurfaceComposer.h b/include/ui/ISurfaceComposer.h
new file mode 100644
index 0000000..f9eeb30
--- /dev/null
+++ b/include/ui/ISurfaceComposer.h
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2006 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_ISURFACE_COMPOSER_H
+#define ANDROID_ISURFACE_COMPOSER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <utils/Errors.h>
+#include <utils/IInterface.h>
+
+#include <ui/PixelFormat.h>
+#include <ui/ISurfaceFlingerClient.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+class DisplayInfo;
+class IGPUCallback;
+
+class ISurfaceComposer : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(SurfaceComposer);
+
+    enum { // (keep in sync with Surface.java)
+        eHidden             = 0x00000004,
+        eGPU                = 0x00000008,
+        eHardware           = 0x00000010,
+        eDestroyBackbuffer  = 0x00000020,
+        eSecure             = 0x00000080,
+        eNonPremultiplied   = 0x00000100,
+        ePushBuffers        = 0x00000200,
+
+        eFXSurfaceNormal    = 0x00000000,
+        eFXSurfaceBlur      = 0x00010000,
+        eFXSurfaceDim       = 0x00020000,
+        eFXSurfaceMask      = 0x000F0000,
+    };
+
+    enum {
+        ePositionChanged            = 0x00000001,
+        eLayerChanged               = 0x00000002,
+        eSizeChanged                = 0x00000004,
+        eAlphaChanged               = 0x00000008,
+        eMatrixChanged              = 0x00000010,
+        eTransparentRegionChanged   = 0x00000020,
+        eVisibilityChanged          = 0x00000040,
+        eFreezeTintChanged          = 0x00000080,
+        eDestroyed                  = 0x00000100
+    };
+
+    enum {
+        eLayerHidden        = 0x01,
+        eLayerFrozen        = 0x02,
+        eLayerDither        = 0x04,
+        eLayerFilter        = 0x08,
+        eLayerBlurFreeze    = 0x10
+    };
+
+    enum {
+        eOrientationDefault     = 0,
+        eOrientation90          = 1,
+        eOrientation180         = 2,
+        eOrientation270         = 3,
+        eOrientationSwapMask    = 0x01
+    };
+
+    /* create connection with surface flinger, requires
+     * ACCESS_SURFACE_FLINGER permission
+     */
+
+    virtual sp<ISurfaceFlingerClient> createConnection() = 0;
+
+    /* retrieve the control block */
+    virtual sp<IMemory> getCblk() const = 0;
+
+    /* open/close transactions. recquires ACCESS_SURFACE_FLINGER permission */
+    virtual void openGlobalTransaction() = 0;
+    virtual void closeGlobalTransaction() = 0;
+
+    /* [un]freeze display. recquires ACCESS_SURFACE_FLINGER permission */
+    virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags) = 0;
+    virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags) = 0;
+
+    /* Set display orientation. recquires ACCESS_SURFACE_FLINGER permission */
+    virtual int setOrientation(DisplayID dpy, int orientation) = 0;
+
+    /* signal that we're done booting.
+     * recquires ACCESS_SURFACE_FLINGER permission
+     */
+    virtual void bootFinished() = 0;
+
+    /* get access to the GPU. Access is relinquished when releasing regs */
+    struct gpu_info_t {
+        struct gpu_region_t {
+            sp<IMemory> region;
+            size_t reserved;
+        };
+        sp<IMemory>             regs;
+        size_t                  count;
+        gpu_region_t            regions[2];
+    };
+    virtual status_t requestGPU(
+            const sp<IGPUCallback>& callback,
+            gpu_info_t* gpu) = 0;
+
+    /* take the gpu back from any apps using it. They'll get a
+     * EGL_CONTEXT_LOST error */
+    virtual status_t revokeGPU() = 0;
+
+    /* Signal surfaceflinger that there might be some work to do
+     * This is an ASYNCHRONOUS call.
+     */
+    virtual void signal() const = 0;
+};
+
+class IGPUCallback : public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(GPUCallback);
+    virtual void gpuLost() = 0; //one-way
+};
+
+// ----------------------------------------------------------------------------
+
+class BnSurfaceComposer : public BnInterface<ISurfaceComposer>
+{
+public:
+    enum {
+        // Note: BOOT_FINISHED must remain this value, it is called from
+        // Java by ActivityManagerService.
+        BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
+        CREATE_CONNECTION,
+        GET_CBLK,
+        OPEN_GLOBAL_TRANSACTION,
+        CLOSE_GLOBAL_TRANSACTION,
+        SET_ORIENTATION,
+        FREEZE_DISPLAY,
+        UNFREEZE_DISPLAY,
+        REQUEST_GPU,
+        REVOKE_GPU,
+        SIGNAL
+    };
+
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+class BnGPUCallback : public BnInterface<IGPUCallback>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_ISURFACE_COMPOSER_H