nixos-x13s/module.nix

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{
config,
lib,
pkgs,
...
}:
let
cfg = config.nixos-x13s;
x13sPackages = import ./packages/default.nix { inherit lib pkgs; };
dtbName = "sc8280xp-lenovo-thinkpad-x13s.dtb";
linuxPackages_x13s = pkgs.linuxPackagesFor x13sPackages."x13s/linux";
dtb = "${linuxPackages_x13s.kernel}/dtbs/qcom/${dtbName}";
alsa-ucm-conf-env.ALSA_CONFIG_UCM2 = "${x13sPackages."x13s/alsa-ucm-conf"}/share/alsa/ucm2";
in
{
options.nixos-x13s = {
enable = lib.mkEnableOption "x13s hardware support";
bluetoothMac = lib.mkOption {
type = lib.types.str;
description = "mac address to set on boot";
};
};
config = lib.mkIf cfg.enable {
environment.systemPackages = [ pkgs.efibootmgr ];
hardware.enableAllFirmware = true;
hardware.firmware = [ x13sPackages."x13s/extra-firmware" ];
systemd.services.pd-mapper = {
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${lib.getExe x13sPackages.pd-mapper}";
Restart = "always";
};
};
environment.sessionVariables = alsa-ucm-conf-env;
systemd.user.services.pipewire.environment = alsa-ucm-conf-env;
systemd.user.services.wireplumber.environment = alsa-ucm-conf-env;
boot = {
loader.efi.canTouchEfiVariables = true;
loader.systemd-boot.enable = lib.mkDefault true;
loader.systemd-boot.extraFiles = {
"${dtbName}" = dtb;
};
supportedFilesystems = lib.mkForce [
"ext4"
"btrfs"
"vfat"
];
initrd.supportedFilesystems = lib.mkForce [
"btrfs"
"vfat"
];
kernelPackages = linuxPackages_x13s;
kernelParams = [
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# needed to boot
"dtb=${dtbName}"
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# jhovold recommended
"efi=noruntime"
"clk_ignore_unused"
"pd_ignore_unused"
"arm64.nopauth"
# blacklist graphics in initrd so the firmware can load from disk
"rd.driver.blacklist=msm"
];
initrd = {
includeDefaultModules = false;
kernelModules = [
"nvme"
"phy-qcom-qmp-pcie"
"pcie-qcom"
"i2c-core"
"i2c-hid"
"i2c-hid-of"
"i2c-qcom-geni"
"leds_qcom_lpg"
"pwm_bl"
"qrtr"
"pmic_glink_altmode"
"gpio_sbu_mux"
"phy-qcom-qmp-combo"
"gpucc_sc8280xp"
"dispcc_sc8280xp"
"phy_qcom_edp"
"panel-edp"
# "msm"
];
};
};
# default is performance
powerManagement.cpuFreqGovernor = "ondemand";
systemd.services.bluetooth = {
serviceConfig = {
# disabled because btmgmt call hangs
# ExecStartPre = [
# ""
# "${pkgs.util-linux}/bin/rfkill block bluetooth"
# "${pkgs.bluez5-experimental}/bin/btmgmt public-addr ${cfg.bluetoothMac}"
# "${pkgs.util-linux}/bin/rfkill unblock bluetooth"
# ];
RestartSec = 5;
Restart = "on-failure";
};
};
};
}