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refactor(logo): move pdk specific code to tech.py

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This commit is contained in:
htfab
2025-11-06 13:33:10 +02:00
committed by Uri Shaked
parent eebefdd779
commit ce6e5d19eb
2 changed files with 38 additions and 56 deletions
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logo.py
+18 -56
View File
@@ -2,59 +2,23 @@
import argparse
import sys
from typing import Dict, TypedDict
import gdstk
from git.repo import Repo
from PIL import Image, ImageDraw, ImageFont
from config import Config
class TechDef(TypedDict):
PRBOUNDARY_LAYER: int
PRBOUNDARY_DATATYPE: int
LOGO_LAYER: int
LOGO_DATATYPE: int
OBS_LAYER_NAME: str
PIXEL_SIZE: float
tech: Dict[str, TechDef] = {
"gf180mcuD": {
"PRBOUNDARY_LAYER": 0, # PR_bndry
"PRBOUNDARY_DATATYPE": 0, #
"LOGO_LAYER": 46, # Metal4
"LOGO_DATATYPE": 0, #
"OBS_LAYER_NAME": "Metal4",
"PIXEL_SIZE": 0.5, # um
},
"ihp-sg13g2": {
"PRBOUNDARY_LAYER": 189, # prBoundary
"PRBOUNDARY_DATATYPE": 4, # .boundary
"LOGO_LAYER": 67, # Metal5
"LOGO_DATATYPE": 0, # .drawing
"OBS_LAYER_NAME": "Metal5",
"PIXEL_SIZE": 0.25, # um
},
"sky130A": {
"PRBOUNDARY_LAYER": 235, # prBoundary
"PRBOUNDARY_DATATYPE": 4, # .boundary
"LOGO_LAYER": 71, # Metal4
"LOGO_DATATYPE": 20, # .drawing
"OBS_LAYER_NAME": "met4",
"PIXEL_SIZE": 0.5, # um
},
}
from tech import TechName, tech_map
LOGO_WIDTH = 200
LOGO_HEIGHT = 200
class LogoGenerator:
def __init__(self, tt_dir, pdk: str, config: Config | None = None):
def __init__(self, tt_dir, pdk: TechName, config: Config | None = None):
self.tt_dir = tt_dir
self.pdk = pdk
self.tech = tech_map[pdk]
self.config = config
def gen_logo(self, variant: str, gds_file: str, shuttle=None, commit=None):
@@ -96,19 +60,14 @@ class LogoGenerator:
draw.text((1, 137), commit[18:29], fill=255, font=font(32))
draw.text((1, 165), commit[29:], fill=255, font=font(32))
PRBOUNDARY_LAYER = tech[self.pdk]["PRBOUNDARY_LAYER"]
PRBOUNDARY_DATATYPE = tech[self.pdk]["PRBOUNDARY_DATATYPE"]
MET4_LAYER = tech[self.pdk]["LOGO_LAYER"]
DRAWING_DATATYPE = tech[self.pdk]["LOGO_DATATYPE"]
PIXEL_SIZE = tech[self.pdk]["PIXEL_SIZE"]
pixel_size = self.tech.logo_pixel_size
lib = gdstk.Library()
cell = lib.new_cell(f"tt_logo_{variant}")
boundary = gdstk.rectangle(
(0, 0),
(img.width * PIXEL_SIZE, img.height * PIXEL_SIZE),
layer=PRBOUNDARY_LAYER,
datatype=PRBOUNDARY_DATATYPE,
(img.width * pixel_size, img.height * pixel_size),
layer=self.tech.prboundary_layer[0],
datatype=self.tech.prboundary_layer[1],
)
cell.add(boundary)
@@ -118,10 +77,10 @@ class LogoGenerator:
if color >= 128:
flipped_y = img.height - y - 1 # flip vertically
rect = gdstk.rectangle(
(x * PIXEL_SIZE, flipped_y * PIXEL_SIZE),
((x + 1) * PIXEL_SIZE, (flipped_y + 1) * PIXEL_SIZE),
layer=MET4_LAYER,
datatype=DRAWING_DATATYPE,
(x * pixel_size, flipped_y * pixel_size),
((x + 1) * pixel_size, (flipped_y + 1) * pixel_size),
layer=self.tech.logo_layer[0],
datatype=self.tech.logo_layer[1],
)
cell.add(rect)
@@ -129,8 +88,8 @@ class LogoGenerator:
def gen_lef(self, variant: str, lef_file: str):
assert variant in ("top", "bottom")
width = tech[self.pdk]["PIXEL_SIZE"] * LOGO_WIDTH
height = tech[self.pdk]["PIXEL_SIZE"] * LOGO_HEIGHT
width = self.tech.logo_pixel_size * LOGO_WIDTH
height = self.tech.logo_pixel_size * LOGO_HEIGHT
lef_lines = [
f"VERSION 5.7 ;",
f" NOWIREEXTENSIONATPIN ON ;",
@@ -142,7 +101,7 @@ class LogoGenerator:
f" ORIGIN 0.000 0.000 ;",
f" SIZE {width:.3f} BY {height:.3f} ;",
f" OBS",
f' LAYER {tech[self.pdk]["OBS_LAYER_NAME"]} ;',
f" LAYER {self.tech.logo_layer_name} ;",
f" RECT 0.000 0.000 {width:.3f} {height:.3f} ;",
f" END",
f"END tt_logo_{variant}",
@@ -157,7 +116,10 @@ if __name__ == "__main__":
parser = argparse.ArgumentParser(description="TT logo generator")
parser.add_argument(
"--pdk", type=str, default="sky130A", choices=["sky130A", "ihp-sg13g2"]
"--pdk",
type=str,
default="sky130A",
choices=["sky130A", "ihp-sg13g2", "gf180mcuD"],
)
parser.add_argument("--top", action="store_true")
parser.add_argument("--bottom", action="store_true")
tech.py
+20
View File
@@ -41,6 +41,14 @@ class Tech(Protocol):
mux_macros: List[str]
""" Lists all of the extra logo macros that need to be copied to the tt_top directory. """
extra_logo_macros: List[str]
""" GDS layer/datatype for the place&route boundary marker layer """
prboundary_layer: Tuple[int, int]
""" GDS layer/datatype for the metal layer used in the logo """
logo_layer: Tuple[int, int]
""" LEF layer name for the metal layer used in the logo """
logo_layer_name: str
""" Logo pixel size in microns """
logo_pixel_size: float
def read_pdk_version(self, pdk_root: str) -> PDKVersionInfo:
raise NotImplementedError()
@@ -96,6 +104,10 @@ class Sky130Tech(Tech):
"asw/sky130/tt_asw_3v3",
]
extra_logo_macros = []
prboundary_layer = (235, 4) # prBoundary.boundary
logo_layer = (71, 20) # met4.drawing
logo_layer_name = "met4"
logo_pixel_size = 0.5 # um
def read_pdk_version(self, pdk_root: str) -> PDKVersionInfo:
pdk_sources_file = os.path.join(pdk_root, "sky130A", "SOURCES")
@@ -145,6 +157,10 @@ class IHPTech(Tech):
extra_logo_macros = [
"tech/ihp-sg13g2/tt_logo_corner",
]
prboundary_layer = (189, 4) # prBoundary.boundary
logo_layer = (67, 0) # Metal5.drawing
logo_layer_name = "Metal5"
logo_pixel_size = 0.25 # um
def read_pdk_version(self, pdk_root: str) -> PDKVersionInfo:
pdk_repo = Repo(pdk_root)
@@ -219,6 +235,10 @@ class GF180MCUDTech(Tech):
"pg/gf180mcuD/tt_pg_1v8_ll_4",
]
extra_logo_macros = []
prboundary_layer = (0, 0) # PR_bndry
logo_layer = (46, 0) # Metal4
logo_layer_name = "Metal4"
logo_pixel_size = 0.5 # um
def read_pdk_version(self, pdk_root: str) -> PDKVersionInfo:
pdk_sources_file = os.path.join(pdk_root, "gf180mcuD", "SOURCES")