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author | Alyssa Ross <hi@alyssa.is> | 2023-12-26 17:21:50 +0100 |
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committer | Alyssa Ross <hi@alyssa.is> | 2024-01-02 17:29:12 +0100 |
commit | 3a559792110a75c0a56c8cc21cc9e1353b27351f (patch) | |
tree | 7c8efd00586abedf7a11e3f089c6a9138f1046dc /modules/nixos-apple-silicon/apple-silicon-support/modules/sound/default.nix | |
parent | dd691ab6c1fabf1a4915cfe397a5b173e10f77af (diff) | |
parent | 9f81761270e6343d00b99d3e07e1feee8f3ba4b5 (diff) | |
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Merge https://github.com/tpwrules/nixos-apple-silicon
Diffstat (limited to 'modules/nixos-apple-silicon/apple-silicon-support/modules/sound/default.nix')
-rw-r--r-- | modules/nixos-apple-silicon/apple-silicon-support/modules/sound/default.nix | 61 |
1 files changed, 55 insertions, 6 deletions
diff --git a/modules/nixos-apple-silicon/apple-silicon-support/modules/sound/default.nix b/modules/nixos-apple-silicon/apple-silicon-support/modules/sound/default.nix index 5713f1aa18ec..e1b45a8dcbcf 100644 --- a/modules/nixos-apple-silicon/apple-silicon-support/modules/sound/default.nix +++ b/modules/nixos-apple-silicon/apple-silicon-support/modules/sound/default.nix @@ -1,20 +1,69 @@ { config, pkgs, lib, ... }: { + imports = [ + # disable pulseaudio as the Asahi sound infrastructure can't use it. + # if we disable it only if setupAsahiSound is enabled, then infinite + # recursion results as pulseaudio enables config.sound by default. + { config.hardware.pulseaudio.enable = false; } + ]; + options.hardware.asahi = { - setupAlsaUcm = lib.mkOption { + setupAsahiSound = lib.mkOption { type = lib.types.bool; default = config.sound.enable; description = '' - Enable the Asahi-specific ALSA UCM2 configs in the global environment - so that headphone jack input and output work properly. + Set up the Asahi DSP components so that the speakers and headphone jack + work properly and safely. ''; }; }; - config = lib.mkIf config.hardware.asahi.setupAlsaUcm { - environment.variables = { - ALSA_CONFIG_UCM2 = "${pkgs.alsa-ucm-conf-asahi}/share/alsa/ucm2"; + config = let + asahi-audio = pkgs.asahi-audio; # the asahi-audio we use + + lsp-plugins = pkgs.lsp-plugins; # the lsp-plugins we use + + lsp-plugins-is-patched = (lsp-plugins.overrideAttrs (old: { + passthru = (old.passthru or {}) // { + lsp-plugins-is-patched = builtins.elem "58c3f985f009c84347fa91236f164a9e47aafa93.patch" + (builtins.map (p: p.name) (old.patches or [])); + }; + })).lsp-plugins-is-patched; + + lsp-plugins-is-safe = (pkgs.lib.versionAtLeast lsp-plugins.version "1.2.14") || lsp-plugins-is-patched; + in lib.mkIf config.hardware.asahi.setupAsahiSound { + # enable pipewire to run real-time and avoid audible glitches + security.rtkit.enable = true; + # set up pipewire with the supported capabilities (instead of pulseaudio) + services.pipewire = { + enable = true; + + alsa.enable = true; + wireplumber.enable = true; + pulse.enable = true; }; + + # enable speakersafetyd to protect speakers + systemd.packages = lib.mkAssert lsp-plugins-is-safe + "lsp-plugins is unpatched/outdated and speakers cannot be safely enabled" + [ pkgs.speakersafetyd ]; + services.udev.packages = [ pkgs.speakersafetyd ]; + + # set up enivronment so that asahi-audio and UCM configs are used + environment.etc = builtins.listToAttrs (builtins.map + (f: { name = f; value = { source = "${asahi-audio}/share/${f}"; }; }) + asahi-audio.providedConfigFiles); + environment.variables.ALSA_CONFIG_UCM2 = "${pkgs.alsa-ucm-conf-asahi}/share/alsa/ucm2"; + + # set up pipewire and wireplumber to use asahi-audio configs and plugins + systemd.user.services.pipewire.environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2; + systemd.user.services.wireplumber.environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2; + systemd.user.services.pipewire.environment.LV2_PATH = let + lv2Plugins = [ lsp-plugins pkgs.bankstown-lv2 ]; + in lib.makeSearchPath "lib/lv2" lv2Plugins; + systemd.user.services.wireplumber.environment.LV2_PATH = let + lv2Plugins = [ lsp-plugins pkgs.bankstown-lv2 ]; + in lib.makeSearchPath "lib/lv2" lv2Plugins; }; } |