nixos-config/modules/hardware.nix

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{ pkgs, config, lib, ... }:
with rec { inherit (config) device devices deviceSpecific; };
with deviceSpecific; {
hardware.sensor.iio.enable = (device == "HP-Laptop");
hardware.cpu.${devices.${device}.cpu.vendor}.updateMicrocode =
true; # Update microcode
hardware.enableRedistributableFirmware = true; # For some unfree drivers
hardware.opengl.enable = true;
hardware.opengl.driSupport = true;
hardware.opengl.driSupport32Bit = true; # For steam
hardware.bluetooth.enable = true;
hardware.bluetooth.package = pkgs.bluezFull;
hardware.sane.enable = true;
services.throttled = {
enable = device == "T490s-Laptop";
extraConfig = ''
[GENERAL]
# Enable or disable the script execution
Enabled: True
# SYSFS path for checking if the system is running on AC power
Sysfs_Power_Path: /sys/class/power_supply/AC*/online
## Settings to apply while connected to Battery power
[BATTERY]
# Update the registers every this many seconds
Update_Rate_s: 30
# Max package power for time window #1
PL1_Tdp_W: 29
# Time window #1 duration
PL1_Duration_s: 28
# Max package power for time window #2
PL2_Tdp_W: 44
# Time window #2 duration
PL2_Duration_S: 0.002
# Max allowed temperature before throttling
Trip_Temp_C: 85
# Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
cTDP: 1
## Settings to apply while connected to AC power
[AC]
# Update the registers every this many seconds
Update_Rate_s: 5
# Max package power for time window #1
PL1_Tdp_W: 44
# Time window #1 duration
PL1_Duration_s: 28
# Max package power for time window #2
PL2_Tdp_W: 44
# Time window #2 duration
PL2_Duration_S: 0.002
# Max allowed temperature before throttling
Trip_Temp_C: 95
# Set HWP energy performance hints to 'performance' on high load (EXPERIMENTAL)
HWP_Mode: True
# Set cTDP to normal=0, down=1 or up=2 (EXPERIMENTAL)
cTDP: 2
[UNDERVOLT]
# CPU core voltage offset (mV)
CORE: -200
# Integrated GPU voltage offset (mV)
GPU: -60
# CPU cache voltage offset (mV)
CACHE: -50
# System Agent voltage offset (mV)
UNCORE: 0
# Analog I/O voltage offset (mV)
ANALOGIO: 0
'';
};
boot.kernelModules = [ "ec_sys" ];
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systemd.services.thinkpad_leds = {
enable = config.device == "T490s-Laptop";
description = "Set up thinkpad leds";
wantedBy = [ "multi-user.target" ];
script = ''echo -n -e "\x0e" | dd of="/sys/kernel/debug/ec/ec0/io" bs=1 seek=12 count=1 conv=notrunc 2> /dev/null'';
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serviceConfig.Type = "oneshot";
};
boot = {
loader = {
grub.enable = true;
grub.version = 2;
grub.useOSProber = true;
timeout = 1;
} // (if deviceSpecific.devInfo.legacy or false then { # Non-UEFI config
grub.device = "/dev/sda";
} else { # UEFI config
grub.efiSupport = true;
grub.device = "nodev";
grub.efiInstallAsRemovable = true; # NVRAM is unreliable
});
consoleLogLevel = 3;
blacklistedKernelModules = lib.optionals (device == "Prestigio-Laptop") [
"axp288_charger"
"axp288_fuel_gauge"
"axp288_adc"
]; # Disable battery driver as it hangs this piece of shit
extraModulePackages = [ pkgs.linuxPackages.v4l2loopback ];
extraModprobeConfig = "options ec_sys write_support=1";
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kernel.sysctl."vm.swappiness" = 0;
kernelPackages = pkgs.linuxPackages;
kernel.sysctl."kernel/sysrq" = 1;
kernelParams = [
"quiet"
"scsi_mod.use_blk_mq=1"
"modeset"
"nofb"
"rd.systemd.show_status=auto"
"rd.udev.log_priority=3"
"pti=off"
"spectre_v2=off"
] ++ lib.optionals (device == "Prestigio-Laptop") [
"intel_idle.max_cstate=1" # Otherwise it hangs
];
};
services.logind.lidSwitchExternalPower = "ignore";
services.logind.extraConfig = "HandlePowerKey=suspend";
sound.enable = true;
hardware.pulseaudio = {
enable = true;
package = pkgs.pulseaudioFull;
support32Bit = true;
# systemWide = true;
extraConfig = ''
load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1
'';
extraModules = [ pkgs.pulseaudio-modules-bt ];
};
services.dbus.packages = [ pkgs.blueman ];
}