diff --git a/services/inputflinger/include/InputReaderBase.h b/services/inputflinger/include/InputReaderBase.h
index 25e1d21..e9737dd 100644
--- a/services/inputflinger/include/InputReaderBase.h
+++ b/services/inputflinger/include/InputReaderBase.h
@@ -451,6 +451,12 @@
 
     /* Returns true if any InputConnection is currently active. */
     virtual bool isInputMethodConnectionActive() = 0;
+
+    /* Gets the viewport of a particular display. The logical bounds of the viewport should be used
+     * as the range of possible values for pointing devices, like mice and touchpads.
+     */
+    virtual std::optional<DisplayViewport> getViewportForPointerDevice(
+            int32_t associatedDisplayId) = 0;
 };
 
 } // namespace android
diff --git a/services/inputflinger/include/PointerChoreographerPolicyInterface.h b/services/inputflinger/include/PointerChoreographerPolicyInterface.h
index 9e020c7..93c0bdf 100644
--- a/services/inputflinger/include/PointerChoreographerPolicyInterface.h
+++ b/services/inputflinger/include/PointerChoreographerPolicyInterface.h
@@ -38,7 +38,10 @@
      * library, libinputservice, that has the additional dependencies. The PointerController
      * will be mocked when testing PointerChoreographer.
      */
-    virtual std::shared_ptr<PointerControllerInterface> createPointerController() = 0;
+    virtual std::shared_ptr<PointerControllerInterface> createPointerController(
+            PointerControllerInterface::ControllerType type) = 0;
+
+    virtual void notifyPointerDisplayIdChanged(int32_t displayId, const FloatPoint& position) = 0;
 };
 
 } // namespace android
diff --git a/services/inputflinger/include/PointerControllerInterface.h b/services/inputflinger/include/PointerControllerInterface.h
index 95f819a..8837b25 100644
--- a/services/inputflinger/include/PointerControllerInterface.h
+++ b/services/inputflinger/include/PointerControllerInterface.h
@@ -52,6 +52,22 @@
     virtual ~PointerControllerInterface() { }
 
 public:
+    /**
+     * Enum used to differentiate various types of PointerControllers for the transition to
+     * using PointerChoreographer.
+     *
+     * TODO(b/293587049): Refactor the PointerController class into different controller types.
+     */
+    enum class ControllerType {
+        // The PointerController that is responsible for drawing all icons.
+        LEGACY,
+        // Represents a single mouse pointer.
+        MOUSE,
+    };
+
+    /* Dumps the state of the pointer controller. */
+    virtual std::string dump() = 0;
+
     /* Gets the bounds of the region that the pointer can traverse.
      * Returns true if the bounds are available. */
     virtual std::optional<FloatRect> getBounds() const = 0;