litex/milkymist/dvisampler/__init__.py

31 lines
834 B
Python

from migen.fhdl.structure import *
from migen.fhdl.module import Module
from migen.bank.description import *
from milkymist.dvisampler.edid import EDID
from milkymist.dvisampler.clocking import Clocking
from milkymist.dvisampler.datacapture import DataCapture
class DVISampler(Module, AutoReg):
def __init__(self, inversions=""):
self.submodules.edid = EDID()
self.sda = self.edid.sda
self.scl = self.edid.scl
self.submodules.clocking = Clocking()
self.clk = self.clocking.clkin
for datan in "012":
name = "data" + str(datan)
invert = datan in inversions
cap = DataCapture(8, invert)
setattr(self.submodules, name + "_cap", cap)
if invert:
name += "_n"
s = Signal(name=name)
setattr(self, name, s)
self.comb += [
cap.pad.eq(s),
cap.serdesstrobe.eq(self.clocking.serdesstrobe)
]