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diff --git a/Marlin/src/feature/fwretract.h b/Marlin/src/feature/fwretract.h
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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * fwretract.h - Define firmware-based retraction interface
+ */
+
+#include "../inc/MarlinConfigPre.h"
+
+typedef struct {
+       float retract_length;                      // M207 S - G10 Retract length
+  feedRate_t retract_feedrate_mm_s;               // M207 F - G10 Retract feedrate
+       float retract_zraise,                      // M207 Z - G10 Retract hop size
+             retract_recover_extra;               // M208 S - G11 Recover length
+  feedRate_t retract_recover_feedrate_mm_s;       // M208 F - G11 Recover feedrate
+       float swap_retract_length,                 // M207 W - G10 Swap Retract length
+             swap_retract_recover_extra;          // M208 W - G11 Swap Recover length
+  feedRate_t swap_retract_recover_feedrate_mm_s;  // M208 R - G11 Swap Recover feedrate
+} fwretract_settings_t;
+
+#if ENABLED(FWRETRACT)
+
+class FWRetract {
+private:
+  #if HAS_MULTI_EXTRUDER
+    static bool retracted_swap[EXTRUDERS];         // Which extruders are swap-retracted
+  #endif
+
+public:
+  static fwretract_settings_t settings;
+
+  #if ENABLED(FWRETRACT_AUTORETRACT)
+    static bool autoretract_enabled;               // M209 S - Autoretract switch
+  #else
+    static constexpr bool autoretract_enabled = false;
+  #endif
+
+  static bool retracted[EXTRUDERS];                // Which extruders are currently retracted
+  static float current_retract[EXTRUDERS],         // Retract value used by planner
+               current_hop;                        // Hop value used by planner
+
+  FWRetract() { reset(); }
+
+  static void reset();
+
+  static void refresh_autoretract() {
+    LOOP_L_N(i, EXTRUDERS) retracted[i] = false;
+  }
+
+  static void enable_autoretract(const bool enable) {
+    #if ENABLED(FWRETRACT_AUTORETRACT)
+      autoretract_enabled = enable;
+      refresh_autoretract();
+    #endif
+  }
+
+  static void retract(const bool retracting
+    #if HAS_MULTI_EXTRUDER
+      , bool swapping = false
+    #endif
+  );
+};
+
+extern FWRetract fwretract;
+
+#endif // FWRETRACT