Add polyresistor primitive with GF180MCU support

src/glayout/pdk/gf180_mapped/gf180_grules.py

@@ -1,8 +1,10 @@
 from ..mappedpdk import MappedPDK
 
 grulesobj = dict()
-for glayer in MappedPDK.valid_glayers:
-    grulesobj[glayer] = dict((x, None) for x in MappedPDK.valid_glayers)
+# Add sab and res_mk to valid_glayers for polyresistor support
+extended_glayers = list(MappedPDK.valid_glayers) + ["sab", "res_mk"]
+for glayer in extended_glayers:
+    grulesobj[glayer] = dict((x, None) for x in extended_glayers)
 
 grulesobj["dnwell"]["dnwell"] = {'min_width': 1.7, 'min_separation': 5.42}
 grulesobj["dnwell"]["pwell"] = {'min_enclosure': 2.5}
@@ -366,3 +368,52 @@
 grulesobj["capmet"]["met5"] = {}
 grulesobj["capmet"]["capmet"] = {'capmettop': (42, 0), 'capmetbottom': (36, 0), 'min_separation': 1.2}
 
+# Initialize sab and res_mk grules
+grulesobj["sab"]["sab"] = {'min_width': 0.28, 'min_separation': 0.28}
+grulesobj["sab"]["dnwell"] = {}
+grulesobj["sab"]["pwell"] = {}
+grulesobj["sab"]["nwell"] = {}
+grulesobj["sab"]["p+s/d"] = {}
+grulesobj["sab"]["n+s/d"] = {}
+grulesobj["sab"]["active_diff"] = {}
+grulesobj["sab"]["active_tap"] = {}
+grulesobj["sab"]["poly"] = {"min_enclosure": 0.28}
+grulesobj["sab"]["mcon"] = {"min_separation": 0.22}
+grulesobj["sab"]["met1"] = {}
+grulesobj["sab"]["via1"] = {}
+grulesobj["sab"]["met2"] = {}
+grulesobj["sab"]["via2"] = {}
+grulesobj["sab"]["met3"] = {}
+grulesobj["sab"]["via3"] = {}
+grulesobj["sab"]["met4"] = {}
+grulesobj["sab"]["via4"] = {}
+grulesobj["sab"]["met5"] = {}
+grulesobj["sab"]["capmet"] = {}
+
+grulesobj["res_mk"]["res_mk"] = {"min_width": 0.4, "min_separation": 20.0}
+grulesobj["res_mk"]["dnwell"] = {}
+grulesobj["res_mk"]["pwell"] = {}
+grulesobj["res_mk"]["nwell"] = {}
+grulesobj["res_mk"]["p+s/d"] = {}
+grulesobj["res_mk"]["n+s/d"] = {}
+grulesobj["res_mk"]["active_diff"] = {"min_separation": 0.3}
+grulesobj["res_mk"]["active_tap"] = {}
+grulesobj["res_mk"]["poly"] = {"min_enclosure": 0.4, "min_separation": 0.3}
+grulesobj["res_mk"]["mcon"] = {}
+grulesobj["res_mk"]["met1"] = {}
+grulesobj["res_mk"]["via1"] = {}
+grulesobj["res_mk"]["met2"] = {}
+grulesobj["res_mk"]["via2"] = {}
+grulesobj["res_mk"]["met3"] = {}
+grulesobj["res_mk"]["via3"] = {}
+grulesobj["res_mk"]["met4"] = {}
+grulesobj["res_mk"]["via4"] = {}
+grulesobj["res_mk"]["met5"] = {}
+grulesobj["res_mk"]["capmet"] = {}
+grulesobj["res_mk"]["sab"] = {}
+
+# Update existing rules for polyresistor compatibility
+grulesobj["p+s/d"]["poly"] = {"min_enclosure": 0.3}
+grulesobj["p+s/d"]["mcon"] = {"min_enclosure": 0.2}
+grulesobj["poly"]["active_diff"] = {"min_separation": 0.6}
+grulesobj["poly"]["poly"] = {"min_width": 1, "min_separation": 0.4}

src/glayout/pdk/gf180_mapped/gf180_mapped.py

@@ -30,6 +30,8 @@
     "lvpwell": (204, 0),
     "dnwell": (12, 0),
     "CAP_MK": (117, 5),
+    "RES_MK": (110, 5),
+    "SAB": (49, 0),
     # BJT layers
     "drc_bjt": (127, 5),
     "lvs_bjt": (118, 5),
@@ -63,6 +65,8 @@
     "pwell": "lvpwell",
     "dnwell": "dnwell",
     "capmet": "CAP_MK",
+    "res_mk": "RES_MK",
+    "sab": "SAB",
     # bjt layer
     "drc_bjt": "drc_bjt",
     "lvs_bjt": "lvs_bjt",
@@ -131,7 +135,12 @@
 	models={
         'nfet': 'nfet_03v3',
 		'pfet': 'pfet_03v3',
-		'mimcap': 'mimcap_1p0fF'
+		'mimcap': 'mimcap_1p0fF',
+        'ppolyf_s': 'ppolyf_s',
+        'ppolyf_u': 'ppolyf_u',
+        'npolyf_s': 'npolyf_s',
+        'npolyf_u': 'npolyf_u',
+        "ppolyf_u_1k": "ppolyf_u_1k"
     },
     layers=LAYER,
     pdk_files=pdk_files,

src/glayout/pdk/mappedpdk.py

@@ -3,7 +3,8 @@
 """
 import re
 from gdsfactory.pdk import Pdk
-from gdsfactory.typings import Component, PathType, Layer
+from gdsfactory import Component
+from gdsfactory.typings import PathType, Layer
 from pydantic import validator, StrictStr, ValidationError
 from typing import ClassVar, Optional, Any, Union, Literal, Iterable, TypedDict
 from pathlib import Path
@@ -259,6 +260,8 @@ class MappedPDK(Pdk):
         "via4",
         "met5",
         "capmet",
+        "sab",
+        "res_mk",
         "lvs_bjt",
         "drc_bjt",
         # _pin layers
@@ -299,8 +302,8 @@ class MappedPDK(Pdk):
     @validator("models")
     def models_check(cls, models_obj: dict[StrictStr, StrictStr]):
         for model in models_obj.keys():
-            if not model in ["nfet","pfet","mimcap"]:
-                raise ValueError(f"specify nfet, pfet, or mimcap models only")
+            if not model in ["nfet","pfet","mimcap","ppolyf_s","ppolyf_u","npolyf_s","npolyf_u","ppolyf_u_1k"]:
+                raise ValueError(f"specify nfet, pfet, mimcap, or polyresistor models only")
         return models_obj
 
     @validator("glayers")