diff --git a/cereal/car.capnp b/cereal/car.capnp
index 38be2d9441..2448ef3c9a 100644
--- a/cereal/car.capnp
+++ b/cereal/car.capnp
@@ -251,7 +251,7 @@ struct CarState {
   struct CustomStockLong {
     cruiseButton @0 :Int16;
     finalSpeedKph @1 :Float32;
-    vCruiseKphPrev @2 :Float32;
+    vCruiseKphPrevDEPRECATED @2 :Float32;
     targetSpeed @3 :Float32;
     vSetDis @4 :Float32;
     speedDiff @5 :Float32;
diff --git a/selfdrive/car/chrysler/interface.py b/selfdrive/car/chrysler/interface.py
index ec1587e4e4..0c3e6f09e4 100755
--- a/selfdrive/car/chrysler/interface.py
+++ b/selfdrive/car/chrysler/interface.py
@@ -98,10 +98,9 @@ class CarInterface(CarInterfaceBase):
       *create_button_events(self.CS.lkas_enabled, self.CS.prev_lkas_enabled, {1: ButtonType.altButton1}),
     ]
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
-    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, self.CS.accEnabled,
-                                                            self.CS.button_events, c.vCruise,
+    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, c.vCruise,
                                                             enable_buttons=(ButtonType.accelCruise, ButtonType.decelCruise, ButtonType.resumeCruise) if not self.CP.pcmCruiseSpeed else
                                                                            (ButtonType.accelCruise, ButtonType.decelCruise),
                                                             resume_button=(ButtonType.resumeCruise,) if not self.CP.pcmCruiseSpeed else
@@ -114,16 +113,16 @@ class CarInterface(CarInterfaceBase):
         if any(b.type == ButtonType.altButton1 and b.pressed for b in self.CS.button_events):
           self.CS.madsEnabled = not self.CS.madsEnabled
           self.CS.lkas_disabled = not self.CS.lkas_disabled
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
-    self.CS.madsEnabled = self.get_sp_started_mads(ret, self.CS)
+    self.CS.madsEnabled = self.get_sp_started_mads(ret)
 
     if not self.CP.pcmCruise or (self.CP.pcmCruise and self.CP.minEnableSpeed > 0) or not self.CP.pcmCruiseSpeed:
       if any(b.type == ButtonType.cancel for b in self.CS.button_events):
-        self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+        self.get_sp_cancel_cruise_state()
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
     if self.CP.pcmCruise and self.CP.minEnableSpeed > 0 and self.CP.pcmCruiseSpeed:
@@ -136,7 +135,7 @@ class CarInterface(CarInterfaceBase):
         self.CS.accEnabled = False
       self.CS.accEnabled = ret.cruiseState.enabled or self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=bool(self.CS.distance_button))
+    ret = self.get_sp_common_state(ret, gap_button=bool(self.CS.distance_button))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -146,7 +145,7 @@ class CarInterface(CarInterfaceBase):
     # events
     events = self.create_common_events(ret, c, extra_gears=[car.CarState.GearShifter.low], pcm_enable=False)
 
-    events, ret = self.create_sp_events(self.CS, ret, events)
+    events, ret = self.create_sp_events(ret, events)
 
     # Low speed steer alert hysteresis logic
     if self.CP.carFingerprint in RAM_DT:
@@ -162,9 +161,7 @@ class CarInterface(CarInterfaceBase):
     if self.low_speed_alert:
       events.add(car.CarEvent.EventName.belowSteerSpeed)
 
-    ret.customStockLong = self.CS.update_custom_stock_long(self.CC.cruise_button, self.CC.final_speed_kph,
-                                                           self.CC.target_speed, self.CC.v_set_dis,
-                                                           self.CC.speed_diff, self.CC.button_type)
+    ret.customStockLong = self.update_custom_stock_long()
 
     ret.events = events.to_msg()
 
diff --git a/selfdrive/car/ford/interface.py b/selfdrive/car/ford/interface.py
index 5461590679..9392132ce2 100644
--- a/selfdrive/car/ford/interface.py
+++ b/selfdrive/car/ford/interface.py
@@ -89,10 +89,9 @@ class CarInterface(CarInterfaceBase):
       *create_button_events(self.CS.lkas_enabled, self.CS.prev_lkas_enabled, {1: ButtonType.altButton1}),
     ]
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
-    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, self.CS.accEnabled,
-                                                            self.CS.button_events, c.vCruise)
+    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, c.vCruise)
 
     if ret.cruiseState.available:
       if self.enable_mads:
@@ -100,15 +99,15 @@ class CarInterface(CarInterfaceBase):
           self.CS.madsEnabled = True
         if any(b.type == ButtonType.altButton1 and b.pressed for b in self.CS.button_events):
           self.CS.madsEnabled = not self.CS.madsEnabled
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
 
     if not self.CP.pcmCruise or (self.CP.pcmCruise and self.CP.minEnableSpeed > 0):
       if any(b.type == ButtonType.cancel for b in self.CS.button_events):
-        self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+        self.get_sp_cancel_cruise_state()
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
     if self.CP.pcmCruise and self.CP.minEnableSpeed > 0 and self.CP.pcmCruiseSpeed:
@@ -116,7 +115,7 @@ class CarInterface(CarInterfaceBase):
         self.CS.accEnabled = False
       self.CS.accEnabled = ret.cruiseState.enabled or self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=bool(self.CS.distance_button))
+    ret = self.get_sp_common_state(ret, gap_button=bool(self.CS.distance_button))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -125,7 +124,7 @@ class CarInterface(CarInterfaceBase):
 
     events = self.create_common_events(ret, c, extra_gears=[GearShifter.manumatic], pcm_enable=False)
 
-    events, ret = self.create_sp_events(self.CS, ret, events)
+    events, ret = self.create_sp_events(ret, events)
 
     if not self.CS.vehicle_sensors_valid:
       events.add(car.CarEvent.EventName.vehicleSensorsInvalid)
diff --git a/selfdrive/car/gm/interface.py b/selfdrive/car/gm/interface.py
index 35e4654597..17ca61d8cc 100755
--- a/selfdrive/car/gm/interface.py
+++ b/selfdrive/car/gm/interface.py
@@ -222,14 +222,13 @@ class CarInterface(CarInterfaceBase):
       *create_button_events(self.CS.lkas_enabled, self.CS.prev_lkas_enabled, {1: ButtonType.altButton1}),
     ]
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
     if not self.CP.pcmCruise:
       if any(b.type == ButtonType.accelCruise and b.pressed for b in self.CS.button_events):
         self.CS.accEnabled = True
 
-    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, self.CS.accEnabled,
-                                                            self.CS.button_events, c.vCruise)
+    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, c.vCruise)
 
     if ret.cruiseState.available:
       if self.enable_mads:
@@ -237,15 +236,15 @@ class CarInterface(CarInterfaceBase):
           self.CS.madsEnabled = True
         if any(b.type == ButtonType.altButton1 and b.pressed for b in self.CS.button_events):
           self.CS.madsEnabled = not self.CS.madsEnabled
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
 
     if not self.CP.pcmCruise or (self.CP.pcmCruise and self.CP.minEnableSpeed > 0) or not self.CP.pcmCruiseSpeed:
       if any(b.type == ButtonType.cancel for b in self.CS.button_events):
-        self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+        self.get_sp_cancel_cruise_state()
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
     if self.CP.pcmCruise and self.CP.minEnableSpeed > 0 and self.CP.pcmCruiseSpeed:
@@ -253,7 +252,7 @@ class CarInterface(CarInterfaceBase):
         self.CS.accEnabled = False
       self.CS.accEnabled = ret.cruiseState.enabled or self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=bool(distance_button))
+    ret = self.get_sp_common_state(ret, gap_button=bool(distance_button))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -268,7 +267,7 @@ class CarInterface(CarInterfaceBase):
     #  if any(b.type == ButtonType.accelCruise and b.pressed for b in ret.buttonEvents):
     #    events.add(EventName.buttonEnable)
 
-    events, ret = self.create_sp_events(self.CS, ret, events, enable_pressed=self.CS.accEnabled,
+    events, ret = self.create_sp_events(ret, events, enable_pressed=self.CS.accEnabled,
                                         enable_buttons=(ButtonType.decelCruise,))
 
     # Enabling at a standstill with brake is allowed
diff --git a/selfdrive/car/honda/interface.py b/selfdrive/car/honda/interface.py
index 1459b301a2..3d80470a23 100755
--- a/selfdrive/car/honda/interface.py
+++ b/selfdrive/car/honda/interface.py
@@ -267,10 +267,9 @@ class CarInterface(CarInterfaceBase):
       *create_button_events(self.CS.cruise_setting, self.CS.prev_cruise_setting, SETTINGS_BUTTONS_DICT),
     ]
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
-    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, self.CS.accEnabled,
-                                                            self.CS.button_events, c.vCruise)
+    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, c.vCruise)
 
     if ret.cruiseState.available:
       if self.enable_mads:
@@ -278,7 +277,7 @@ class CarInterface(CarInterfaceBase):
           self.CS.madsEnabled = True
         if any(b.type == ButtonType.altButton1 and b.pressed for b in self.CS.button_events):
           self.CS.madsEnabled = not self.CS.madsEnabled
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
 
@@ -286,9 +285,9 @@ class CarInterface(CarInterfaceBase):
 
     if not self.CP.pcmCruise or min_enable_speed_pcm or not self.CP.pcmCruiseSpeed:
       if any(b.type == ButtonType.cancel for b in self.CS.button_events):
-        self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+        self.get_sp_cancel_cruise_state()
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads or min_enable_speed_pcm \
                                                         else False if self.CP.pcmCruise \
                                                         else self.CS.accEnabled
@@ -301,7 +300,7 @@ class CarInterface(CarInterfaceBase):
       elif not ret.cruiseState.enabled:
         self.CS.accEnabled = False
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=(self.CS.cruise_setting == 3))
+    ret = self.get_sp_common_state(ret, gap_button=(self.CS.cruise_setting == 3))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -313,7 +312,7 @@ class CarInterface(CarInterfaceBase):
     if self.CP.pcmCruise and ret.vEgo < self.CP.minEnableSpeed and not self.CS.madsEnabled:
       events.add(EventName.belowEngageSpeed)
 
-    events, ret = self.create_sp_events(self.CS, ret, events)
+    events, ret = self.create_sp_events(ret, events)
 
     #if self.CP.pcmCruise:
     #  # we engage when pcm is active (rising edge)
@@ -330,9 +329,7 @@ class CarInterface(CarInterfaceBase):
     if self.CS.CP.minEnableSpeed > 0 and ret.vEgo < 0.001:
       events.add(EventName.manualRestart)
 
-    ret.customStockLong = self.CS.update_custom_stock_long(self.CC.cruise_button, self.CC.final_speed_kph,
-                                                           self.CC.target_speed, self.CC.v_set_dis,
-                                                           self.CC.speed_diff, self.CC.button_type)
+    ret.customStockLong = self.update_custom_stock_long()
 
     ret.events = events.to_msg()
 
diff --git a/selfdrive/car/hyundai/interface.py b/selfdrive/car/hyundai/interface.py
index 750a76e555..47d414ea56 100644
--- a/selfdrive/car/hyundai/interface.py
+++ b/selfdrive/car/hyundai/interface.py
@@ -238,10 +238,9 @@ class CarInterface(CarInterfaceBase):
       *create_button_events(self.CS.main_buttons[-1], self.CS.prev_main_buttons, {1: ButtonType.altButton3}),
     ]
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
-    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, self.CS.accEnabled,
-                                                            self.CS.button_events, c.vCruise)
+    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, c.vCruise)
 
     if ret.cruiseState.available:
       if not self.CP.pcmCruiseSpeed:
@@ -254,7 +253,7 @@ class CarInterface(CarInterfaceBase):
         self.CS.madsEnabled = True
       if any(b.type == ButtonType.altButton1 and b.pressed for b in self.CS.button_events):
         self.CS.madsEnabled = not self.CS.madsEnabled
-      self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+      self.CS.madsEnabled = self.get_acc_mads(ret)
 
     if not ret.cruiseState.available and self.CS.out.cruiseState.available:
       self.CS.madsEnabled = False
@@ -262,15 +261,15 @@ class CarInterface(CarInterfaceBase):
     if not self.CP.pcmCruise or not self.CP.pcmCruiseSpeed:
       if not self.CP.pcmCruise:
         if any(b.type == ButtonType.cancel for b in self.CS.button_events):
-          self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+          self.get_sp_cancel_cruise_state()
       if not self.CP.pcmCruiseSpeed:
         if not ret.cruiseState.enabled:
-          self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+          self.get_sp_cancel_cruise_state()
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=(self.CS.cruise_buttons[-1] == 3))
+    ret = self.get_sp_common_state(ret, gap_button=(self.CS.cruise_buttons[-1] == 3))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -284,7 +283,7 @@ class CarInterface(CarInterfaceBase):
     events = self.create_common_events(ret, c, extra_gears=[GearShifter.sport, GearShifter.low, GearShifter.manumatic],
                                        pcm_enable=False, allow_enable=allow_enable)
 
-    events, ret = self.create_sp_events(self.CS, ret, events, main_enabled=True, allow_enable=allow_enable)
+    events, ret = self.create_sp_events(ret, events, main_enabled=True, allow_enable=allow_enable)
 
     # low speed steer alert hysteresis logic (only for cars with steer cut off above 10 m/s)
     if ret.vEgo < (self.CP.minSteerSpeed + 2.) and self.CP.minSteerSpeed > 10.:
@@ -297,9 +296,7 @@ class CarInterface(CarInterfaceBase):
     if self.CS.params_list.hyundai_radar_tracks_available and not self.CS.params_list.hyundai_radar_tracks_available_cache:
       events.add(car.CarEvent.EventName.hyundaiRadarTracksAvailable)
 
-    ret.customStockLong = self.CS.update_custom_stock_long(self.CC.cruise_button, self.CC.final_speed_kph,
-                                                           self.CC.target_speed, self.CC.v_set_dis,
-                                                           self.CC.speed_diff, self.CC.button_type)
+    ret.customStockLong = self.update_custom_stock_long()
 
     ret.events = events.to_msg()
 
diff --git a/selfdrive/car/interfaces.py b/selfdrive/car/interfaces.py
index aca6398701..ae6cfeb55b 100644
--- a/selfdrive/car/interfaces.py
+++ b/selfdrive/car/interfaces.py
@@ -550,37 +550,37 @@ class CarInterfaceBase(ABC):
   def sp_v_cruise_initialized(v_cruise):
     return v_cruise != V_CRUISE_UNSET
 
-  def get_acc_mads(self, cruiseState_enabled, acc_enabled, mads_enabled):
+  def get_acc_mads(self, cs_out):
     if self.CS.params_list.acc_mads_combo:
-      if not self.prev_acc_mads_combo and (cruiseState_enabled or acc_enabled):
-        mads_enabled = True
-      self.prev_acc_mads_combo = (cruiseState_enabled or acc_enabled)
+      if not self.prev_acc_mads_combo and (cs_out.cruiseState.enabled or self.CS.accEnabled):
+        self.CS.madsEnabled = True
+      self.prev_acc_mads_combo = (cs_out.cruiseState.enabled or self.CS.accEnabled)
 
-    return mads_enabled
+    return self.CS.madsEnabled
 
-  def get_sp_v_cruise_non_pcm_state(self, cs_out, acc_enabled, button_events, vCruise,
+  def get_sp_v_cruise_non_pcm_state(self, cs_out, vCruise,
                                     enable_buttons=(ButtonType.accelCruise, ButtonType.decelCruise),
                                     resume_button=(ButtonType.accelCruise, ButtonType.resumeCruise)):
 
     if cs_out.cruiseState.available:
-      for b in button_events:
+      for b in self.CS.button_events:
         if not self.CP.pcmCruise or not self.CP.pcmCruiseSpeed:
           if b.type in enable_buttons and not b.pressed:
-            acc_enabled = True
+            self.CS.accEnabled = True
         if not self.CP.pcmCruise:
           if b.type in resume_button and not self.sp_v_cruise_initialized(vCruise):
-            acc_enabled = False
+            self.CS.accEnabled = False
         if not self.CP.pcmCruiseSpeed:
           if b.type == ButtonType.accelCruise and not cs_out.cruiseState.enabled:
-            acc_enabled = False
+            self.CS.accEnabled = False
     else:
-      acc_enabled = False
+      self.CS.accEnabled = False
 
-    return acc_enabled
+    return self.CS.accEnabled
 
-  def get_sp_cancel_cruise_state(self, mads_enabled, acc_enabled=False):
-    mads_enabled = False if not self.enable_mads or self.disengage_on_accelerator else mads_enabled
-    return mads_enabled, acc_enabled
+  def get_sp_cancel_cruise_state(self):
+    self.CS.madsEnabled = False if not self.enable_mads or self.disengage_on_accelerator else self.CS.madsEnabled
+    self.CS.accEnabled = False
 
   def get_sp_pedal_disengage(self, cs_out):
     accel_pedal = cs_out.gasPressed and not self.CS.out.gasPressed and self.disengage_on_accelerator
@@ -588,24 +588,22 @@ class CarInterfaceBase(ABC):
     regen = cs_out.regenBraking and (not self.CS.out.regenBraking or not cs_out.standstill)
     return accel_pedal or brake or regen
 
-  def get_sp_cruise_main_state(self, cs_out, CS):
-    if not CS.control_initialized:
-      mads_enabled = False
+  def get_sp_cruise_main_state(self, cs_out):
+    if not self.CS.control_initialized:
+      return False
     elif not self.CS.params_list.mads_main_toggle:
-      mads_enabled = False
+      return False
     else:
-      mads_enabled = cs_out.cruiseState.available
+      return cs_out.cruiseState.available
 
-    return mads_enabled
-
-  def get_sp_started_mads(self, cs_out, CS):
-    if not cs_out.cruiseState.available and CS.out.cruiseState.available:
+  def get_sp_started_mads(self, cs_out):
+    if not cs_out.cruiseState.available and self.CS.out.cruiseState.available:
       self.madsEnabledInit = False
       self.madsEnabledInitPrev = False
       return False
     if not self.CS.params_list.mads_main_toggle or self.prev_acc_mads_combo:
-      return CS.madsEnabled
-    if not self.madsEnabledInit and CS.madsEnabled:
+      return self.CS.madsEnabled
+    if not self.madsEnabledInit and self.CS.madsEnabled:
       self.madsEnabledInit = True
       self.last_mads_init = time.monotonic()
     if cs_out.gearShifter not in FORWARD_GEARS:
@@ -616,19 +614,19 @@ class CarInterfaceBase(ABC):
       self.madsEnabledInitPrev = True
       return cs_out.cruiseState.available
     else:
-      return CS.madsEnabled
+      return self.CS.madsEnabled
 
-  def get_sp_common_state(self, cs_out, CS, gear_allowed=True, gap_button=False):
-    cs_out.cruiseState.enabled = CS.accEnabled if not self.CP.pcmCruise or not self.CP.pcmCruiseSpeed else cs_out.cruiseState.enabled
+  def get_sp_common_state(self, cs_out, gear_allowed=True, gap_button=False):
+    cs_out.cruiseState.enabled = self.CS.accEnabled if not self.CP.pcmCruise or not self.CP.pcmCruiseSpeed else cs_out.cruiseState.enabled
 
     if not self.enable_mads:
-      if cs_out.cruiseState.enabled and not CS.out.cruiseState.enabled:
-        CS.madsEnabled = True
-      elif not cs_out.cruiseState.enabled and CS.out.cruiseState.enabled:
-        CS.madsEnabled = False
+      if cs_out.cruiseState.enabled and not self.CS.out.cruiseState.enabled:
+        self.CS.madsEnabled = True
+      elif not cs_out.cruiseState.enabled and self.CS.out.cruiseState.enabled:
+        self.CS.madsEnabled = False
 
     if self.CP.openpilotLongitudinalControl:
-      self.toggle_exp_mode(gap_button)
+      self.toggle_exp_mode(gap_button)  # TODO-SP: use buttonEvents to handle this, then remove gap_button
 
     lane_change_speed_min = get_min_lateral_speed(self.CS.params_list.pause_lateral_speed, self.CS.params_list.is_metric)
 
@@ -640,22 +638,22 @@ class CarInterfaceBase(ABC):
 
     cs_out.latActive = gear_allowed
 
-    if not CS.control_initialized:
-      CS.control_initialized = True
+    if not self.CS.control_initialized:
+      self.CS.control_initialized = True
 
     # Disable on rising edge of gas or brake. Also disable on brake when speed > 0.
     if (cs_out.gasPressed and not self.CS.out.gasPressed and self.disengage_on_accelerator) or \
       (cs_out.brakePressed and (not self.CS.out.brakePressed or not cs_out.standstill)) or \
       (cs_out.regenBraking and (not self.CS.out.regenBraking or not cs_out.standstill)):
-      if CS.madsEnabled:
-        CS.disengageByBrake = True
+      if self.CS.madsEnabled:
+        self.CS.disengageByBrake = True
 
-    cs_out.madsEnabled = CS.madsEnabled
-    cs_out.accEnabled = CS.accEnabled
-    cs_out.disengageByBrake = CS.disengageByBrake
+    cs_out.madsEnabled = self.CS.madsEnabled
+    cs_out.accEnabled = self.CS.accEnabled
+    cs_out.disengageByBrake = self.CS.disengageByBrake
     cs_out.brakeLightsDEPRECATED |= cs_out.brakePressed or cs_out.brakeHoldActive or cs_out.parkingBrake or cs_out.regenBraking
 
-    return cs_out, CS
+    return cs_out
 
   # TODO: SP: use upstream's buttonEvents counter checks from controlsd
   def toggle_exp_mode(self, gap_pressed):
@@ -670,7 +668,7 @@ class CarInterfaceBase(ABC):
       self.gap_button_counter = 0
       self.experimental_mode_hold = False
 
-  def create_sp_events(self, CS, cs_out, events, main_enabled=False, allow_enable=True, enable_pressed=False,
+  def create_sp_events(self, cs_out, events, main_enabled=False, allow_enable=True, enable_pressed=False,
                        enable_from_brake=False, enable_pressed_long=False,
                        enable_buttons=(ButtonType.accelCruise, ButtonType.decelCruise)):
 
@@ -678,7 +676,7 @@ class CarInterfaceBase(ABC):
       if cs_out.disengageByBrake and cs_out.madsEnabled:
         enable_pressed = True
         enable_from_brake = True
-      CS.disengageByBrake = False
+      self.CS.disengageByBrake = False
       cs_out.disengageByBrake = False
 
     for b in cs_out.buttonEvents:
@@ -707,11 +705,11 @@ class CarInterfaceBase(ABC):
     if self.CP.pcmCruise:
       # do disable on button down
       if main_enabled:
-        if any(CS.main_buttons) and not cs_out.cruiseState.enabled:
+        if any(self.CS.main_buttons) and not cs_out.cruiseState.enabled:
           if not cs_out.madsEnabled:
             events.add(EventName.buttonCancel)
       # do enable on both accel and decel buttons
-      if cs_out.cruiseState.enabled and not CS.out.cruiseState.enabled and allow_enable:
+      if cs_out.cruiseState.enabled and not self.CS.out.cruiseState.enabled and allow_enable:
         enable_pressed = True
         enable_pressed_long = True
       elif not cs_out.cruiseState.enabled:
@@ -731,6 +729,16 @@ class CarInterfaceBase(ABC):
 
     return events, cs_out
 
+  def update_custom_stock_long(self):
+    customStockLong = car.CarState.CustomStockLong.new_message()
+    customStockLong.cruiseButton = 0 if self.CC.cruise_button is None else int(self.CC.cruise_button)
+    customStockLong.finalSpeedKph = float(self.CC.final_speed_kph)
+    customStockLong.targetSpeed = float(self.CC.target_speed)
+    customStockLong.vSetDis = float(self.CC.v_set_dis)
+    customStockLong.speedDiff = float(self.CC.speed_diff)
+    customStockLong.buttonType = int(self.CC.button_type)
+    return customStockLong
+
 class RadarInterfaceBase(ABC):
   def __init__(self, CP):
     self.CP = CP
@@ -834,16 +842,6 @@ class CarStateBase(ABC):
 
     return bool(left_blinker_stalk or self.left_blinker_cnt > 0), bool(right_blinker_stalk or self.right_blinker_cnt > 0)
 
-  def update_custom_stock_long(self, cruise_button, final_speed_kph, target_speed, v_set_dis, speed_diff, button_type):
-    customStockLong = car.CarState.CustomStockLong.new_message()
-    customStockLong.cruiseButton = 0 if cruise_button is None else cruise_button
-    customStockLong.finalSpeedKph = final_speed_kph
-    customStockLong.targetSpeed = target_speed
-    customStockLong.vSetDis = v_set_dis
-    customStockLong.speedDiff = speed_diff
-    customStockLong.buttonType = button_type
-    return customStockLong
-
   @staticmethod
   def parse_gear_shifter(gear: str | None) -> car.CarState.GearShifter:
     if gear is None:
@@ -876,6 +874,13 @@ class CarControllerBase(ABC):
     self.CP = CP
     self.frame = 0
 
+    self.cruise_button = 0
+    self.final_speed_kph = 0.0
+    self.target_speed = 0.0
+    self.v_set_dis = 0.0
+    self.speed_diff = 0.0
+    self.button_type = 0
+
   @abstractmethod
   def update(self, CC: car.CarControl.Actuators, CS: car.CarState, now_nanos: int) -> tuple[car.CarControl.Actuators, list[SendCan]]:
     pass
diff --git a/selfdrive/car/mazda/interface.py b/selfdrive/car/mazda/interface.py
index 4c26a18a57..5e782f7344 100755
--- a/selfdrive/car/mazda/interface.py
+++ b/selfdrive/car/mazda/interface.py
@@ -45,10 +45,9 @@ class CarInterface(CarInterfaceBase):
       *create_button_events(self.CS.lkas_enabled, self.CS.prev_lkas_enabled, {1: ButtonType.altButton1}),
     ]
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
-    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, self.CS.accEnabled,
-                                                            self.CS.button_events, c.vCruise)
+    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, c.vCruise)
 
     if ret.cruiseState.available:
       if self.enable_mads:
@@ -56,15 +55,15 @@ class CarInterface(CarInterfaceBase):
           self.CS.madsEnabled = True
         if any(b.type == ButtonType.altButton1 and b.pressed for b in self.CS.button_events):
           self.CS.madsEnabled = not self.CS.madsEnabled
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
 
     if not self.CP.pcmCruise or (self.CP.pcmCruise and self.CP.minEnableSpeed > 0) or not self.CP.pcmCruiseSpeed:
       if any(b.type == ButtonType.cancel for b in self.CS.button_events):
-        self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+        self.get_sp_cancel_cruise_state()
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
     if self.CP.pcmCruise and self.CP.minEnableSpeed > 0 and self.CP.pcmCruiseSpeed:
@@ -72,7 +71,7 @@ class CarInterface(CarInterfaceBase):
         self.CS.accEnabled = False
       self.CS.accEnabled = ret.cruiseState.enabled or self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=bool(self.CS.distance_button))
+    ret = self.get_sp_common_state(ret, gap_button=bool(self.CS.distance_button))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -83,16 +82,14 @@ class CarInterface(CarInterfaceBase):
     events = self.create_common_events(ret, c, extra_gears=[GearShifter.sport, GearShifter.low, GearShifter.brake],
                                        pcm_enable=False)
 
-    events, ret = self.create_sp_events(self.CS, ret, events)
+    events, ret = self.create_sp_events(ret, events)
 
     #if self.CS.lkas_disabled:
     #  events.add(EventName.lkasDisabled)
     if self.CS.low_speed_alert:
       events.add(EventName.belowSteerSpeed)
 
-    ret.customStockLong = self.CS.update_custom_stock_long(self.CC.cruise_button, self.CC.final_speed_kph,
-                                                           self.CC.target_speed, self.CC.v_set_dis,
-                                                           self.CC.speed_diff, self.CC.button_type)
+    ret.customStockLong = self.update_custom_stock_long()
 
     ret.events = events.to_msg()
 
diff --git a/selfdrive/car/nissan/interface.py b/selfdrive/car/nissan/interface.py
index 661ac668a5..92b03c716e 100644
--- a/selfdrive/car/nissan/interface.py
+++ b/selfdrive/car/nissan/interface.py
@@ -35,22 +35,22 @@ class CarInterface(CarInterfaceBase):
 
     self.CS.button_events = create_button_events(self.CS.distance_button, self.CS.prev_distance_button, {1: ButtonType.gapAdjustCruise})
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
     if ret.cruiseState.available:
       if self.enable_mads:
         if not self.CS.prev_mads_enabled and self.CS.mads_enabled:
           self.CS.madsEnabled = True
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
 
     if (not ret.cruiseState.enabled and self.CS.out.cruiseState.enabled) or \
        self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=bool(self.CS.distance_button))
+    ret = self.get_sp_common_state(ret, gap_button=bool(self.CS.distance_button))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -61,7 +61,7 @@ class CarInterface(CarInterfaceBase):
     events = self.create_common_events(ret, c, extra_gears=[GearShifter.sport, GearShifter.low, GearShifter.brake],
                                        pcm_enable=False)
 
-    events, ret = self.create_sp_events(self.CS, ret, events)
+    events, ret = self.create_sp_events(ret, events)
 
     if self.CS.lkas_enabled:
       events.add(car.CarEvent.EventName.invalidLkasSetting)
diff --git a/selfdrive/car/subaru/interface.py b/selfdrive/car/subaru/interface.py
index 185ee8e54d..cba5a27461 100644
--- a/selfdrive/car/subaru/interface.py
+++ b/selfdrive/car/subaru/interface.py
@@ -117,7 +117,7 @@ class CarInterface(CarInterfaceBase):
 
     ret = self.CS.update(self.cp, self.cp_cam, self.cp_body)
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
     if ret.cruiseState.available:
       if self.enable_mads:
@@ -128,7 +128,7 @@ class CarInterface(CarInterfaceBase):
             self.CS.madsEnabled = not self.CS.madsEnabled
           elif self.CS.prev_lkas_enabled != self.CS.lkas_enabled and self.CS.prev_lkas_enabled == 2 and self.CS.lkas_enabled != 1:
             self.CS.madsEnabled = not self.CS.madsEnabled
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
 
@@ -137,10 +137,10 @@ class CarInterface(CarInterfaceBase):
         if not self.enable_mads:
           self.CS.madsEnabled = False
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS)
+    ret = self.get_sp_common_state(ret)
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -150,7 +150,7 @@ class CarInterface(CarInterfaceBase):
 
     events = self.create_common_events(ret, c, extra_gears=[GearShifter.sport, GearShifter.low], pcm_enable=False)
 
-    events, ret = self.create_sp_events(self.CS, ret, events)
+    events, ret = self.create_sp_events(ret, events)
 
     ret.events = events.to_msg()
 
diff --git a/selfdrive/car/toyota/interface.py b/selfdrive/car/toyota/interface.py
index dfa05f8fcd..b15c2d0b89 100644
--- a/selfdrive/car/toyota/interface.py
+++ b/selfdrive/car/toyota/interface.py
@@ -214,7 +214,7 @@ class CarInterface(CarInterfaceBase):
       self.CS.button_events = create_button_events(self.CS.distance_button, self.CS.prev_distance_button, {1: ButtonType.gapAdjustCruise})
       distance_button = self.CS.distance_button
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
     if ret.cruiseState.available:
       if self.enable_mads:
@@ -229,16 +229,16 @@ class CarInterface(CarInterfaceBase):
             if (not self.CS.prev_lkas_enabled and self.CS.lkas_enabled) or \
               (self.CS.prev_lkas_enabled == 1 and not self.CS.lkas_enabled):
               self.CS.madsEnabled = not self.CS.madsEnabled
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
 
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       if not self.CP.pcmCruise:
         ret.cruiseState.enabled = self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS, gap_button=bool(distance_button))
+    ret = self.get_sp_common_state(ret, gap_button=bool(distance_button))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -250,7 +250,7 @@ class CarInterface(CarInterfaceBase):
     events = self.create_common_events(ret, c, extra_gears=[GearShifter.sport, GearShifter.low, GearShifter.brake],
                                        pcm_enable=False)
 
-    events, ret = self.create_sp_events(self.CS, ret, events)
+    events, ret = self.create_sp_events(ret, events)
 
     # Lane Tracing Assist control is unavailable (EPS_STATUS->LTA_STATE=0) until
     # the more accurate angle sensor signal is initialized
diff --git a/selfdrive/car/volkswagen/interface.py b/selfdrive/car/volkswagen/interface.py
index 0d57539a1b..aeccba278d 100644
--- a/selfdrive/car/volkswagen/interface.py
+++ b/selfdrive/car/volkswagen/interface.py
@@ -114,26 +114,25 @@ class CarInterface(CarInterfaceBase):
   def _update(self, c):
     ret = self.CS.update(self.cp, self.cp_cam, self.cp_ext, self.CP.transmissionType)
 
-    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret, self.CS)
+    self.CS.mads_enabled = self.get_sp_cruise_main_state(ret)
 
-    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, self.CS.accEnabled,
-                                                            self.CS.button_events, c.vCruise,
+    self.CS.accEnabled = self.get_sp_v_cruise_non_pcm_state(ret, c.vCruise,
                                                             enable_buttons=(ButtonType.setCruise, ButtonType.resumeCruise))
 
     if ret.cruiseState.available:
       if self.enable_mads:
         if not self.CS.prev_mads_enabled and self.CS.mads_enabled:
           self.CS.madsEnabled = True
-        self.CS.madsEnabled = self.get_acc_mads(ret.cruiseState.enabled, self.CS.accEnabled, self.CS.madsEnabled)
+        self.CS.madsEnabled = self.get_acc_mads(ret)
     else:
       self.CS.madsEnabled = False
-    self.CS.madsEnabled = self.get_sp_started_mads(ret, self.CS)
+    self.CS.madsEnabled = self.get_sp_started_mads(ret)
 
     if not self.CP.pcmCruise or (self.CP.pcmCruise and self.CP.minEnableSpeed > 0) or not self.CP.pcmCruiseSpeed:
       if any(b.type == ButtonType.cancel for b in self.CS.button_events):
-        self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+        self.get_sp_cancel_cruise_state()
     if self.get_sp_pedal_disengage(ret):
-      self.CS.madsEnabled, self.CS.accEnabled = self.get_sp_cancel_cruise_state(self.CS.madsEnabled)
+      self.get_sp_cancel_cruise_state()
       ret.cruiseState.enabled = ret.cruiseState.enabled if not self.enable_mads else False if self.CP.pcmCruise else self.CS.accEnabled
 
     if self.CP.pcmCruise and self.CP.minEnableSpeed > 0 and self.CP.pcmCruiseSpeed:
@@ -141,8 +140,7 @@ class CarInterface(CarInterfaceBase):
         self.CS.accEnabled = False
       self.CS.accEnabled = ret.cruiseState.enabled or self.CS.accEnabled
 
-    ret, self.CS = self.get_sp_common_state(ret, self.CS,
-                                            gap_button=any(b.type == ButtonType.gapAdjustCruise and b.pressed for b in self.CS.button_events))
+    ret = self.get_sp_common_state(ret, gap_button=any(b.type == ButtonType.gapAdjustCruise and b.pressed for b in self.CS.button_events))
 
     ret.buttonEvents = [
       *self.CS.button_events,
@@ -153,7 +151,7 @@ class CarInterface(CarInterfaceBase):
                                        pcm_enable=False,
                                        enable_buttons=(ButtonType.setCruise, ButtonType.resumeCruise))
 
-    events, ret = self.create_sp_events(self.CS, ret, events,
+    events, ret = self.create_sp_events(ret, events,
                                         enable_buttons=(ButtonType.setCruise, ButtonType.resumeCruise))
 
     # Low speed steer alert hysteresis logic
@@ -173,9 +171,7 @@ class CarInterface(CarInterfaceBase):
     if self.CC.eps_timer_soft_disable_alert:
       events.add(EventName.steerTimeLimit)
 
-    ret.customStockLong = self.CS.update_custom_stock_long(self.CC.cruise_button, self.CC.final_speed_kph,
-                                                           self.CC.target_speed, self.CC.v_set_dis,
-                                                           self.CC.speed_diff, self.CC.button_type)
+    ret.customStockLong = self.update_custom_stock_long()
 
     ret.events = events.to_msg()