thermal: enable model based vskin calculation

- Use VT_MODEL to do thermal throttle
- Clamp VT_MODEL prediction based on training set max_surface
- Use VT_MODEL_LEGACY_DIFF to decide on switch
- Enable smooth transition with weights

Bug: 354939290
Test: Build and boot to home, verify vskin-legacy can trigger shutdown b/354939290#comment3
Flag: EXEMPT (bug 337358613)
Change-Id: I8c2a071b8f34c4ab055adfd9d2363f2158775c99
Signed-off-by: Peter (YM) <peterym@google.com>

thermal/thermal_info_config_tegu.json

@@ -176,6 +176,16 @@
             "Coefficient": [1.0, 1.0, 1.0, 1.0, 1.0],
             "Multiplier": 0.001
         },
+        {
+            "Name": "VIRTUAL-SKIN-LEGACY-SHUTDOWN",
+            "Type": "UNKNOWN",
+            "Hidden": true,
+            "VirtualSensor": true,
+            "Formula": "COUNT_THRESHOLD",
+            "Combination": ["VIRTUAL-SKIN-LEGACY"],
+            "Coefficient": [60000.0],
+            "Multiplier": 1.0
+        },
         {
             "Name": "VIRTUAL-SKIN-MODEL",
             "Type": "UNKNOWN",
@@ -200,6 +210,74 @@
             "SendPowerHint":true,
             "Multiplier": 1
         },
+        {
+            "Name": "VIRTUAL-SKIN-MODEL-UPPER-CLAMPED",
+            "Type": "UNKNOWN",
+            "VirtualSensor": true,
+            "Hidden": true,
+            "Formula": "MINIMUM",
+            "Combination": ["60000", "VIRTUAL-SKIN-MODEL"],
+            "CombinationType": ["CONSTANT", "SENSOR"],
+            "Coefficient": [1.0, 1.0],
+            "Multiplier": 1
+        },
+        {
+            "Name": "VIRTUAL-SKIN-MODEL-CLAMPED",
+            "Type": "UNKNOWN",
+            "VirtualSensor": true,
+            "Hidden": true,
+            "Formula": "MAXIMUM",
+            "Combination": ["20000", "VIRTUAL-SKIN-MODEL-UPPER-CLAMPED"],
+            "CombinationType": ["CONSTANT", "SENSOR"],
+            "Coefficient": [1.0, 1.0],
+            "Multiplier": 1
+        },
+        {
+            "Name": "VIRTUAL-SKIN-LEGACY-MODEL-DIFF",
+            "Type": "UNKNOWN",
+            "VirtualSensor": true,
+            "Hidden": true,
+            "Formula": "WEIGHTED_AVG",
+            "Combination": ["VIRTUAL-SKIN-LEGACY", "VIRTUAL-SKIN-MODEL"],
+            "Coefficient": [1.0, -1.0],
+            "Multiplier": 1
+        },
+        {
+            "Name": "VT_LEGACY_WEIGHT",
+            "Type": "UNKNOWN",
+            "Hidden": true,
+            "VirtualSensor": true,
+            "Formula": "COUNT_THRESHOLD",
+            "StepRatio": 0.2,
+            "Combination": ["VIRTUAL-SKIN-MODEL-LEGACY-DIFF", "VIRTUAL-SKIN-LEGACY-MODEL-DIFF"],
+            "Coefficient": [10000, 7000],
+            "Multiplier": 1,
+            "PassiveDelay": 7000
+        },
+        {
+            "Name": "VT_MODEL_WEIGHT",
+            "Type": "UNKNOWN",
+            "Hidden": true,
+            "VirtualSensor": true,
+            "Formula": "WEIGHTED_AVG",
+            "Combination": ["1", "VT_LEGACY_WEIGHT"],
+            "CombinationType": ["CONSTANT", "SENSOR"],
+            "Coefficient": [1.0, -1.0],
+            "Multiplier": 1
+        },
+        {
+            "Name": "VIRTUAL-SKIN-MODEL-UPDATED",
+            "Type": "UNKNOWN",
+            "VirtualSensor": true,
+            "Hidden": true,
+            "Formula": "WEIGHTED_AVG",
+            "Combination": ["VIRTUAL-SKIN-LEGACY", "VIRTUAL-SKIN-MODEL-CLAMPED"],
+            "Coefficient": ["VT_LEGACY_WEIGHT", "VT_MODEL_WEIGHT"],
+            "CoefficientType": ["SENSOR", "SENSOR"],
+            "Multiplier": 1,
+            "StepRatio": 0.4,
+            "PassiveDelay": 7000
+        },
         {
             "Name":"VIRTUAL-SKIN",
             "Type":"SKIN",
@@ -207,8 +285,9 @@
             "VirtualSensor":true,
             "TriggerSensor":["north_therm", "soc_therm", "charging_therm", "disp_therm", "quiet_therm", "usb_pwr_therm", "rfpa_therm", "btmspkr_therm"],
             "Formula":"MAXIMUM",
-            "Combination":["VIRTUAL-SKIN-LEGACY"],
+            "Combination": ["VIRTUAL-SKIN-MODEL-UPDATED", "VIRTUAL-SKIN-LEGACY"],
-            "Coefficient":[1.0],
+            "Coefficient": [1.0, "VIRTUAL-SKIN-LEGACY-SHUTDOWN"],
+            "CoefficientType":["CONSTANT", "SENSOR"],
             "HotThreshold":["NAN", 39.0, 43.0, 45.0, 46.5, 52.0, 60.0],
             "HotHysteresis":[0.0, 1.9, 1.9, 1.9, 1.4, 1.9, 1.9],
             "Multiplier":0.001,
@@ -1198,4 +1277,4 @@
             }
         }
     }
-}
+}