84 lines
2.4 KiB
Nix
84 lines
2.4 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.modules.hardware.presonus-studio;
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snd-usb-audio-module = pkgs.callPackage ./snd-usb-audio.nix {
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kernel = config.boot.kernelPackages.kernel;
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};
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patched = snd-usb-audio-module.overrideAttrs (prev: {
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patches = [ ./0001-Update-device-ID-for-PreSonus-1824c.patch ];
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});
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upmixConfig = ''
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stream.properties = {
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channelmix.upmix = true
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channelmix.upmix-method = psd
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}
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'';
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in {
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options.modules.hardware.presonus-studio = {
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enable = lib.mkOption {
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default = false;
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example = true;
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};
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};
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config = lib.mkIf cfg.enable {
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boot.kernelModules = [ "snd-usb-audio" ];
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boot.extraModulePackages = [
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(patched)
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];
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# Workaround for mainline module loading instead of patched module
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systemd.services.reload-snd-usb-audio = {
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description = "Reload snd_usb_audio kernel module";
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wantedBy = [ "sound.target" ];
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serviceConfig.Type = "oneshot";
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path = with pkgs; [
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kmod
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];
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script = ''
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rmmod snd_usb_audio
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insmod /run/booted-system/kernel-modules/lib/modules/$(uname -r)/extra/snd-usb-audio.ko.xz
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'';
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};
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environment.etc = {
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"pipewire/pipewire.conf.d/10-network.conf".text = ''
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context.modules = [
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{
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name = libpipewire-module-rtp-session
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args = {
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stream.props = {
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node.name = "rtp-source"
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}
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}
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}
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]
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'';
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"pipewire/pipewire.conf.d/surround.conf".text = ''
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context.modules = [
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{
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name = libpipewire-module-loopback
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args = {
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node.description = "Genelec 4.1 Surround"
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capture.props = {
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node.name = "Genelec_Speakers"
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media.class = "Audio/Sink"
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audio.position = [ FL FR SL SR LFE ]
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}
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playback.props = {
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node.name = "playback.Genelec_Speakers"
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audio.position = [ AUX0 AUX1 AUX3 AUX4 AUX5 ]
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target.object = "alsa_output.usb-PreSonus_Studio_1824c_SC4E21110775-00.multichannel-output"
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stream.dont-remix = true
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node.passive = true
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}
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}
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}
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]
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'';
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"pipewire/pipewire-pulse.conf.d/40-upmix.conf".text = upmixConfig;
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"pipewire/client-rt.conf.d/40-upmix.conf".text = upmixConfig;
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};
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};
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}
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