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add hardware.raspberrypi.config-generated option

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outputs the generated config as text
This commit is contained in:
Travis Staton 2023-06-12 20:03:02 -04:00
parent 6e0da67830
commit 24f5b92db8
1 changed files with 118 additions and 100 deletions
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218
rpi/config.nix
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@ -1,126 +1,144 @@
{ lib, config, pkgs, ... }: { lib, config, pkgs, ... }:
let let
cfg = config.hardware.raspberry-pi; cfg = config.hardware.raspberry-pi;
render-raspberrypi-config = let render-raspberrypi-config =
render-options = opts: let
lib.strings.concatStringsSep "\n" (render-dt-kvs opts); render-options = opts:
render-dt-param = x: "dtparam=" + x; lib.strings.concatStringsSep "\n" (render-dt-kvs opts);
render-dt-kv = k: v: render-dt-param = x: "dtparam=" + x;
if isNull v.value then render-dt-kv = k: v:
k if isNull v.value then
else k
let vstr = toString v.value; in "${k}=${vstr}"; else
render-dt-kvs = x: let vstr = toString v.value; in "${k}=${vstr}";
lib.attrsets.mapAttrsToList render-dt-kv render-dt-kvs = x:
(lib.filterAttrs (k: v: v.enable) x); lib.attrsets.mapAttrsToList render-dt-kv
render-dt-overlay = { overlay, args }: (lib.filterAttrs (k: v: v.enable) x);
"dtoverlay=" + overlay + "\n" render-dt-overlay = { overlay, args }:
+ lib.strings.concatMapStringsSep "\n" render-dt-param args + "\n" "dtoverlay=" + overlay + "\n"
+ "dtoverlay="; + lib.strings.concatMapStringsSep "\n" render-dt-param args + "\n"
render-base-dt-params = params: + "dtoverlay=";
lib.strings.concatMapStringsSep "\n" render-dt-param render-base-dt-params = params:
(render-dt-kvs params); lib.strings.concatMapStringsSep "\n" render-dt-param
render-dt-overlays = overlays: (render-dt-kvs params);
lib.strings.concatMapStringsSep "\n" render-dt-overlay render-dt-overlays = overlays:
(lib.attrsets.mapAttrsToList (k: v: { lib.strings.concatMapStringsSep "\n" render-dt-overlay
overlay = k; (lib.attrsets.mapAttrsToList
args = render-dt-kvs v.params; (k: v: {
}) (lib.filterAttrs (k: v: v.enable) overlays)); overlay = k;
render-config-section = k: args = render-dt-kvs v.params;
{ options, base-dt-params, dt-overlays }: })
let (lib.filterAttrs (k: v: v.enable) overlays));
all-config = lib.concatStringsSep "\n" (lib.filter (x: x != "") [ render-config-section = k:
(render-options options) { options, base-dt-params, dt-overlays }:
(render-base-dt-params base-dt-params) let
(render-dt-overlays dt-overlays) all-config = lib.concatStringsSep "\n" (lib.filter (x: x != "") [
]); (render-options options)
in '' (render-base-dt-params base-dt-params)
[${k}] (render-dt-overlays dt-overlays)
${all-config} ]);
''; in
in conf: ''
lib.strings.concatStringsSep "\n" [${k}]
(lib.attrsets.mapAttrsToList render-config-section conf); ${all-config}
in { '';
in
conf:
lib.strings.concatStringsSep "\n"
(lib.attrsets.mapAttrsToList render-config-section conf);
in
{
options = { options = {
hardware.raspberry-pi = { hardware.raspberry-pi = {
config = let config =
rpi-config-param = { let
options = { rpi-config-param = {
enable = lib.mkEnableOption "attr"; options = {
value = enable = lib.mkEnableOption "attr";
lib.mkOption { type = with lib.types; oneOf [ int str bool ]; }; value =
}; lib.mkOption { type = with lib.types; oneOf [ int str bool ]; };
};
dt-param = {
options = {
enable = lib.mkEnableOption "attr";
value = lib.mkOption {
type = with lib.types; nullOr (oneOf [ int str bool ]);
default = null;
}; };
}; };
}; dt-param = {
dt-overlay = { options = {
options = { enable = lib.mkEnableOption "attr";
enable = lib.mkEnableOption "overlay"; value = lib.mkOption {
params = lib.mkOption { type = with lib.types; nullOr (oneOf [ int str bool ]);
type = with lib.types; attrsOf (submodule dt-param); default = null;
};
};
};
raspberry-pi-config-options = {
options = {
options = lib.mkOption {
type = with lib.types; attrsOf (submodule rpi-config-param);
default = { };
example = {
enable_gic = {
enable = true;
value = true;
};
arm_boost = {
enable = true;
value = true;
};
}; };
}; };
base-dt-params = lib.mkOption { };
type = with lib.types; attrsOf (submodule rpi-config-param); dt-overlay = {
default = { }; options = {
example = { enable = lib.mkEnableOption "overlay";
i2c = { params = lib.mkOption {
enable = true; type = with lib.types; attrsOf (submodule dt-param);
value = "on";
};
audio = {
enable = true;
value = "on";
};
}; };
description = "parameters to pass to the base dtb";
};
dt-overlays = lib.mkOption {
type = with lib.types; attrsOf (submodule dt-overlay);
default = { };
example = { vc4-kms-v3d = { cma-256 = { enable = true; }; }; };
description = "dtb overlays to apply";
}; };
}; };
raspberry-pi-config-options = {
options = {
options = lib.mkOption {
type = with lib.types; attrsOf (submodule rpi-config-param);
default = { };
example = {
enable_gic = {
enable = true;
value = true;
};
arm_boost = {
enable = true;
value = true;
};
};
};
base-dt-params = lib.mkOption {
type = with lib.types; attrsOf (submodule rpi-config-param);
default = { };
example = {
i2c = {
enable = true;
value = "on";
};
audio = {
enable = true;
value = "on";
};
};
description = "parameters to pass to the base dtb";
};
dt-overlays = lib.mkOption {
type = with lib.types; attrsOf (submodule dt-overlay);
default = { };
example = { vc4-kms-v3d = { cma-256 = { enable = true; }; }; };
description = "dtb overlays to apply";
};
};
};
in
lib.mkOption {
type = with lib.types; attrsOf (submodule raspberry-pi-config-options);
}; };
in lib.mkOption {
type = with lib.types; attrsOf (submodule raspberry-pi-config-options); config-generated = lib.mkOption {
type = lib.types.str;
description = "the config text generated by raspberrypi.hardware.config";
readOnly = true;
}; };
config-output = lib.mkOption { config-output = lib.mkOption {
type = lib.types.package; type = lib.types.package;
default = pkgs.writeTextFile { default = pkgs.writeTextFile {
name = "config.txt"; name = "config.txt";
text = '' text = ''
# This is a generated file. Do not edit! # This is a generated file. Do not edit!
${render-raspberrypi-config cfg.config} ${cfg.config-generated}
''; '';
}; };
}; };
}; };
}; };
config = {
hardware.raspberry-pi.config-generated = render-raspberrypi-config cfg.config;
};
} }