os/core/drivers.nix


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{ config, lib, pkgs, ... }:
let
  cfg = config.os.core.drivers;
in
{
  options.os.core.drivers = {
    enable = lib.mkEnableOption "enables hardware drivers";
    amd.enable = lib.mkEnableOption "AMD specific drivers and microcode";
    stability = lib.mkOption {
      type = lib.types.enum [ "stable" "unstable" ];
      default = "stable";
    };
  };
  config = lib.mkIf cfg.enable (lib.mkMerge [
    {
      services.smartd.enable = true;
      hardware.sensor.iio.enable = true;
      hardware.enableAllFirmware = true;
      hardware.cpu.amd.updateMicrocode = true;
      hardware.graphics = {
        enable = true;
        enable32Bit = true;
      };
    }

    (lib.mkIf cfg.amd.enable {
      services.xserver.videoDrivers = [ "amdgpu" ];
      hardware.amdgpu = {
        initrd.enable = true;
        overdrive.enable = true;
      };
    })

    (lib.mkIf (cfg.amd.enable && cfg.stability == "unstable") {
      services.lact.enable = true;
      boot.kernelPackages = pkgs.linuxPackages_cachyos-lto-znver4;
      chaotic.mesa-git = {
        enable = true;
        extraPackages = [ pkgs.mesa_git.opencl ];
      };
    })

    (lib.mkIf (cfg.amd.enable && cfg.stability == "stable") {
      boot.kernelPackages = pkgs.linuxPackages_latest;
    })
  ]);
}