85 lines
2.1 KiB
Nix
85 lines
2.1 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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inherit (builtins)
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attrNames
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;
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inherit (lib)
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mkDefault
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mkOption
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types
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versions
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;
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supportedKernels = {
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"longterm" = {
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version = "6.12.19";
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hash = "sha256-1zvwV77ARDSxadG2FkGTb30Ml865I6KB8y413U3MZTE=";
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};
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"stable" = {
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version = "6.18.8";
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hash = "sha256-N/DF1cJCwdYE6H1I8IeV6GGlqF9yW0yhHQpTjxL/jP8=";
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};
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};
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# Set the version and hash for the kernel sources
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srcVersion = supportedKernels.${config.hardware.microsoft-surface.kernelVersion}.version;
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srcHash = supportedKernels.${config.hardware.microsoft-surface.kernelVersion}.hash;
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# Fetch the latest linux-surface patches
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linux-surface = pkgs.fetchFromGitHub {
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owner = "linux-surface";
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repo = "linux-surface";
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rev = "faedd344762f9db3fe3c79e4f085d4ca7891e0c8"; # debian-6.18.8-1
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hash = "sha256-2t5tMvne8W1q/hCO+O5XfuHj6DAzO6iKtCC6egXsWWM=";
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};
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# Fetch and build the kernel
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inherit (pkgs.callPackage ./kernel/linux-package.nix { })
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linuxPackage
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surfacePatches
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;
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kernelPatches = surfacePatches {
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version = srcVersion;
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patchFn = ./kernel/${versions.majorMinor srcVersion}/patches.nix;
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patchSrc = linux-surface + "/patches/${versions.majorMinor srcVersion}";
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};
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kernelPackages = linuxPackage {
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inherit kernelPatches;
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version = srcVersion;
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sha256 = srcHash;
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ignoreConfigErrors = true;
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};
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in
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{
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options.hardware.microsoft-surface.kernelVersion = mkOption {
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description = "Kernel Version to use (patched for MS Surface)";
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type = types.enum (attrNames supportedKernels);
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default = "longterm";
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};
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config = {
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boot = {
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inherit kernelPackages;
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# Seems to be required to properly enable S0ix "Modern Standby":
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kernelParams = mkDefault [ "mem_sleep_default=deep" ];
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};
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# NOTE: Check the README before enabling TLP:
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services.tlp.enable = mkDefault false;
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# Needed for wifi firmware, see https://github.com/NixOS/nixos-hardware/issues/364
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hardware = {
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enableRedistributableFirmware = mkDefault true;
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sensor.iio.enable = mkDefault true;
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};
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};
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}
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