mirror of
https://github.com/AsahiLinux/m1n1
synced 2024-12-24 12:23:06 +00:00
83 lines
2.4 KiB
Python
Executable file
83 lines
2.4 KiB
Python
Executable file
#!/usr/bin/env python3
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# SPDX-License-Identifier: MIT
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import sys, pathlib
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sys.path.append(str(pathlib.Path(__file__).resolve().parents[1]))
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import argparse
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parser = argparse.ArgumentParser(description='Enter a shell for codec-poking')
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parser.add_argument('-n', '--no-reset', action="store_true")
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args = parser.parse_args()
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from m1n1.setup import *
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from m1n1.shell import run_shell
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from m1n1.hw.i2c import I2C, I2CRegMapDev
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from m1n1.hw.codecs import *
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i2c = {}
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class TAS5770(I2CRegMapDev):
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REGMAP = TAS5770Regs
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ADDRESSING = (1, 1)
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class SN012776(I2CRegMapDev):
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REGMAP = SN012776Regs
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ADDRESSING = (1, 1)
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class CS42L84(I2CRegMapDev):
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REGMAP = CS42L84Regs
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ADDRESSING = (0, 2)
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gpios = {}
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for node in u.adt["/arm-io"]:
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if node.name.endswith("gpio") or node.name.endswith("gpio0"):
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gpios[node._properties["AAPL,phandle"]] = node
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spks = []
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for node in u.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[n] = bus = I2C(u, f"/arm-io/{node.name}")
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for devnode in node:
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if "compatible" not in devnode._properties:
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continue
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dcls = {
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"audio-control,tas5770": TAS5770,
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"audio-control,sn012776": SN012776,
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"audio-control,cs42l84": CS42L84,
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}.get(devnode.compatible[0], None)
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if not dcls:
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continue
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dev = dcls.from_adt(bus, f"/arm-io/{node.name}/{devnode.name}")
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dev.node = devnode
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i2c[n].devs.append(dev)
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if type(dev) in [TAS5770, SN012776]:
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spks.append(dev)
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else:
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hp = dev
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if "function-reset" in devnode._properties:
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prop = devnode.function_reset
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gpio_host = gpios[prop.phandle]
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addr = gpio_host.get_reg(0)[0] + prop.args[0] * 4
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if not args.no_reset:
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print(f"Releasing #RST of {devnode.name}")
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p.mask32(addr, 1, 0)
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print(f"Pulling #RST of {devnode.name}")
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p.mask32(addr, 1, 1)
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if "interrupts" in devnode._properties \
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and devnode.interrupt_parent in gpios:
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gpio_host = gpios[devnode.interrupt_parent]
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addr = gpio_host.get_reg(0)[0] + devnode.interrupts[0] * 4
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print(f"Monitoring IRQ of {devnode.name}")
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mon.add(addr, 4)
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run_shell(globals(), msg="Have fun!")
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