mirror of
https://github.com/AsahiLinux/m1n1
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45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
# SPDX-License-Identifier: MIT
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from m1n1.utils import RegMap
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from m1n1.trace.i2c import I2CTracer, I2CRegMapTracer
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from m1n1.hw.codecs import *
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hv.p.hv_set_time_stealing(0, 1)
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class SN012776Tracer(I2CRegMapTracer):
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REGMAP = SN012776Regs
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ADDRESSING = (1, 1)
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class TAS5770Tracer(I2CRegMapTracer):
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REGMAP = TAS5770Regs
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ADDRESSING = (1, 1)
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class CS42L84Tracer(I2CRegMapTracer):
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REGMAP = CS42L84Regs
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ADDRESSING = (0, 2)
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i2c_tracers = {}
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for node in hv.adt["/arm-io"]:
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if not node.name.startswith("i2c"):
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continue
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n = int(node.name[3:])
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i2c_tracers[n] = bus = I2CTracer(hv, f"/arm-io/{node.name}")
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for devnode in node:
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if "compatible" not in devnode._properties: # thanks Apple
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continue
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dcls = {
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"audio-control,tas5770": TAS5770Tracer,
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"audio-control,sn012776": SN012776Tracer,
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"audio-control,cs42l84": CS42L84Tracer,
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}.get(devnode.compatible[0], None)
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if dcls:
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bus.add_device(
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devnode.reg[0] & 0xff,
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dcls(name=devnode.name)
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)
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bus.start()
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