nixos-x13s/module.nix

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{ dtbName }:
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{
config,
lib,
pkgs,
...
}:
let
cfg = config.nixos-x13s;
x13sPackages = import ./packages/default.nix { inherit lib pkgs; };
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linuxPackages_x13s =
if cfg.kernel == "mainline" then
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pkgs.linuxPackages_latest
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else
pkgs.linuxPackagesFor (
if cfg.kernel == "jhovold" then x13sPackages.linux_jhovold else throw "Unsupported kernel"
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);
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dtb = "${linuxPackages_x13s.kernel}/dtbs/qcom/${dtbName}";
dtbEfiPath = "dtbs/${cfg.kernel}/${config.boot.kernelPackages.kernel.version}/${dtbName}";
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in
{
options.nixos-x13s = {
enable = lib.mkEnableOption "x13s hardware support";
bluetoothMac = lib.mkOption {
type = lib.types.str;
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description = "Bluetooth MAC address to set on boot";
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};
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kernel = lib.mkOption {
type = lib.types.enum [
"jhovold"
"mainline"
];
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description = "Which patched kernel to use. jhovold is the latest RC or release with some x13s specific patches, and mainline is nixos latest";
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default = "jhovold";
};
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};
config = lib.mkIf cfg.enable {
environment.systemPackages = [ pkgs.efibootmgr ];
hardware.enableAllFirmware = true;
hardware.firmware = [ x13sPackages."x13s/extra-firmware" ];
systemd.services.pd-mapper = {
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${lib.getExe x13sPackages.pd-mapper}";
Restart = "always";
};
};
boot = {
loader.efi.canTouchEfiVariables = true;
loader.systemd-boot.enable = lib.mkDefault true;
loader.systemd-boot.extraFiles = {
"${dtbEfiPath}" = dtb;
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};
kernelPackages = linuxPackages_x13s;
kernelParams = [
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# needed to boot
"dtb=${dtbEfiPath}"
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# jhovold recommended
"efi=noruntime"
"clk_ignore_unused"
"pd_ignore_unused"
"regulator_ignore_unused"
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"arm64.nopauth"
# blacklist graphics in initrd so the firmware can load from disk
"rd.driver.blacklist=msm"
];
initrd = {
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"
];
};
};
nixpkgs.overlays = [
(_: super: {
# don't try and use zfs
zfs = super.zfs.overrideAttrs (_: {
meta.platforms = [ ];
});
# allow missing modules
makeModulesClosure = x: super.makeModulesClosure (x // { allowMissing = true; });
})
];
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# default is performance
powerManagement.cpuFreqGovernor = "ondemand";
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systemd.services.bluetooth-x13s-mac = {
wantedBy = [ "multi-user.target" ];
before = [ "bluetooth.service" ];
requiredBy = [ "bluetooth.service" ];
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serviceConfig = {
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Type = "oneshot";
RemainAfterExit = true;
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ExecStart = "${pkgs.util-linux}/bin/script -q -c '${pkgs.bluez}/bin/btmgmt --index 0 public-addr ${cfg.bluetoothMac}'";
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};
};
};
}