nixos-x13s/module.nix
Adam Stephens 3a002c5a64
fix: pd-mapper can't read zstd firmware files
nixos unstable and 24.05 switched to zstd compression for firmware
files. Roll back to the previous setup of creating a package of the
qcom firmware uncompressed, and patching pd-mapper.

closes #14
2024-05-27 12:11:12 -04:00

143 lines
3.4 KiB
Nix

{ dtbName }:
{
config,
lib,
options,
pkgs,
...
}:
let
cfg = config.nixos-x13s;
x13sPackages = import ./packages/default.nix { inherit lib pkgs; };
linuxPackages_x13s =
if cfg.kernel == "mainline" then
pkgs.linuxPackages_latest
else
pkgs.linuxPackagesFor (
if cfg.kernel == "jhovold" then x13sPackages.linux_jhovold else throw "Unsupported kernel"
);
dtb = "${linuxPackages_x13s.kernel}/dtbs/qcom/${dtbName}";
dtbEfiPath = "dtbs/x13s.dtb";
in
{
options.nixos-x13s = {
enable = lib.mkEnableOption "x13s hardware support";
bluetoothMac = lib.mkOption {
type = lib.types.str;
description = "Bluetooth MAC address to set on boot";
};
kernel = lib.mkOption {
type = lib.types.enum [
"jhovold"
"mainline"
];
description = "Which patched kernel to use. jhovold is the latest RC or release with some x13s specific patches, and mainline is nixos latest";
default = "jhovold";
};
};
config = lib.mkIf cfg.enable {
environment.systemPackages = [
pkgs.efibootmgr
(x13sPackages.uncompressed-firmware.override {
firmwareFilesList = lib.flatten options.hardware.firmware.definitions;
})
];
environment.pathsToLink = [ "/share/uncompressed-firmware" ];
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;
};
kernelPackages = linuxPackages_x13s;
kernelParams = [
# needed to boot
"dtb=${dtbEfiPath}"
# jhovold recommended
"efi=noruntime"
"clk_ignore_unused"
"pd_ignore_unused"
"regulator_ignore_unused"
"arm64.nopauth"
# blacklist graphics in initrd so the firmware can load from disk
"rd.driver.blacklist=msm"
];
initrd = {
kernelModules = [
"nvme"
"phy-qcom-qmp-pcie"
"pcie-qcom"
"i2c-core"
"i2c-hid"
"i2c-hid-of"
"i2c-qcom-geni"
"leds_qcom_lpg"
"pwm_bl"
"qrtr"
"pmic_glink_altmode"
"gpio_sbu_mux"
"phy-qcom-qmp-combo"
"gpucc_sc8280xp"
"dispcc_sc8280xp"
"phy_qcom_edp"
"panel-edp"
# "msm"
];
};
};
nixpkgs.overlays = [
(_: super: {
# don't try and use zfs
zfs = super.zfs.overrideAttrs (_: {
meta.platforms = [ ];
});
# allow missing modules
makeModulesClosure = x: super.makeModulesClosure (x // { allowMissing = true; });
})
];
# default is performance
powerManagement.cpuFreqGovernor = "ondemand";
systemd.services.bluetooth-x13s-mac = {
wantedBy = [ "multi-user.target" ];
before = [ "bluetooth.service" ];
requiredBy = [ "bluetooth.service" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = "${pkgs.util-linux}/bin/script -q -c '${pkgs.bluez}/bin/btmgmt --index 0 public-addr ${cfg.bluetoothMac}'";
};
};
};
}