apple-imac-18-2: add imac, add imac-18-2

apple/imac/18-2/README.md

@@ -0,0 +1,26 @@
+# iMac 18,2, NixOS 24.05 (2024)
+
+## Audio
+ [ ] broken, PR pending: https://github.com/NixOS/nixpkgs/pull/322968
+
+## Bluetooth
+ [ ] broken, PR pending: https://github.com/NixOS/nixpkgs/pull/322964
+
+## Thunderbolt
+ [x] ok
+
+## SATA
+ [x] ok
+
+## NVME
+ [x] ok, older NVME / Controller may need workaround for resume
+
+## Suspend/Resumer
+ [ ] Thunderbolt, WIFI, NVME may still need reboot (sometimes).
+
+## Wifi
+ [x] Working (2,4Ghz & 5Ghz supported), WEP3 broken -> brcm fw blob (2015) 
+
+## Resources (Intel iMac/MacBook share similar custom hardware)
+- https://github.com/Dunedan/mbp-2016-linux?tab=readme-ov-file
+- https://gist.github.com/roadrunner2/1289542a748d9a104e7baec6a92f9cd7

apple/imac/18-2/default.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  imports = [
+    ../.
+    ../../../common/cpu/intel/kaby-lake
+    ../../../common/gpu/intel
+    ../../../common/gpu/amd
+    ../../../common/hidpi.nix
+    ../../../common/pc/laptop/ssd
+    ../../../common/pc/laptop/acpi_call.nix
+  ];
+
+  # apple smc (TODO: check spi) 
+  boot = {
+    initrd.kernelModules = ["applespi" "spi_pxa2xx_platform" "intel_lpss_pci" "applesmc" ];
+    kernelParams = [ "intel_iommu=on" ];
+    kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "6.0") pkgs.linuxPackages_latest;
+  };
+
+  # Wifi, CPU Microcode FW updates 
+  networking.enableB43Firmware = lib.mkDefault true;
+  hardware = { 
+    enableRedistributableFirmware = lib.mkDefault true;
+    cpu.intel.updateMicrocode = lib.mkDefault true;
+  };
+}

apple/imac/default.nix

@@ -0,0 +1,8 @@
+{
+  imports = [
+    ../.
+    ../../common/cpu/intel
+    ../../common/pc/laptop
+    ../../common/pc/laptop/ssd
+  ];
+}