mirror of
https://github.com/AsahiLinux/m1n1
synced 2024-12-20 02:33:06 +00:00
d98b0a3aa9
Mostly required due to unknown SMC gpio's reset state for
dp2hdmi-gpio.{function-dp2hdmi_pwr_en,function-hdmi_pwr_en}.
Signed-off-by: Janne Grunau <j@jannau.net>
46 lines
1.1 KiB
Python
Executable file
46 lines
1.1 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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from m1n1.setup import *
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from m1n1.shell import run_shell
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from m1n1.fw.smc import SMCClient
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smc_addr = u.adt["arm-io/smc"].get_reg(0)[0]
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smc = SMCClient(u, smc_addr, None)
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smc.verbose = 3
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smc.start()
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smc.start_ep(0x20)
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smcep = smc.epmap[0x20]
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# dp2hdmi-gpio.function-reset - not used at all by macos
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# smcep.write('gP09', struct.pack("<I", 0x100001))
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# smcep.write('gP09', struct.pack("<I", 0x100000))
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smcep.write('gP16', struct.pack("<I", 0x800001))
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smcep.write('gP15', struct.pack("<I", 0x800001))
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force_dfp_pin = 0x28
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hpd_pin = 0x31
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gpio = u.adt["/arm-io/aop-gpio"]
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base, size = gpio.get_reg(0)
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print(f"gpio base: {base:#x}")
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# macos reads force_dfp_pin only?
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# p.write32(base + force_dfp_pin*4, 0x76a03)
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p.write32(base + hpd_pin*4, 0x54b8d)
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hdmi_hpd = p.read32(base + hpd_pin*4) & 0x1
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print(f"HDMI hpd:{hdmi_hpd}")
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# manual display config
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config = u.malloc(256)
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p.iface.writemem(config, b'1920x1080@60\0')
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p.display_configure(config)
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run_shell(globals(), msg="Have fun!")
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