66 lines
2.0 KiB
Nix
66 lines
2.0 KiB
Nix
{
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config,
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options,
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pkgs,
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lib,
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...
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}:
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{
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options.hardware.asahi = {
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setupAsahiSound = lib.mkOption {
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type = lib.types.bool;
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default = config.hardware.asahi.enable;
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description = ''
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Set up the Asahi DSP components so that the speakers and headphone jack
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work properly and safely.
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'';
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};
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};
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config =
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let
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cfg = config.hardware.asahi;
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in
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lib.mkIf (cfg.setupAsahiSound && cfg.enable) (
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lib.mkMerge [
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{
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# can't be used by Asahi sound infrastructure
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services.pulseaudio.enable = false;
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# enable pipewire to run real-time and avoid audible glitches
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security.rtkit.enable = true;
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# set up pipewire with the supported capabilities (instead of pulseaudio)
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# and asahi-audio configs and plugins
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services.pipewire = {
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enable = true;
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alsa.enable = true;
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pulse.enable = true;
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configPackages = [ pkgs.asahi-audio ];
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wireplumber = {
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enable = true;
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configPackages = [ pkgs.asahi-audio ];
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};
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};
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# set up enivronment so that UCM configs are used as well
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environment.variables.ALSA_CONFIG_UCM2 = "${pkgs.alsa-ucm-conf-asahi}/share/alsa/ucm2";
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systemd.user.services.pipewire.environment.ALSA_CONFIG_UCM2 =
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config.environment.variables.ALSA_CONFIG_UCM2;
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systemd.user.services.wireplumber.environment.ALSA_CONFIG_UCM2 =
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config.environment.variables.ALSA_CONFIG_UCM2;
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systemd.services.pipewire.environment.ALSA_CONFIG_UCM2 =
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config.environment.variables.ALSA_CONFIG_UCM2;
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systemd.services.wireplumber.environment.ALSA_CONFIG_UCM2 =
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config.environment.variables.ALSA_CONFIG_UCM2;
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# enable speakersafetyd to protect speakers
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systemd.packages = [ pkgs.speakersafetyd ];
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services.udev.packages = [ pkgs.speakersafetyd ];
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}
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]
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);
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}
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