# This is a custom file for a surface. { config, lib, pkgs, modulesPath, ... }: { environment.systemPackages = with pkgs; [ obs-studio rnote xournalpp ]; # Set an usable key configuration: Ctrl at capslock, Win at Alt, Alt at Ctrl services.xserver.displayManager.sessionCommands ='' ${pkgs.xorg.xmodmap}/bin/xmodmap "${pkgs.writeText "xkb-layout" '' ! ! Swap Caps_Lock and Control_L ! remove Lock = Caps_Lock remove Control = Control_L ! keysym Control_L = Caps_Lock keysym Control_L = Mode_switch keysym Caps_Lock = Control_L add Lock = Caps_Lock add Control = Control_L ! map arrows to more ergonomic position keycode 43 = h H Left keycode 44 = j J Down keycode 45 = k K Up keycode 46 = l L Right ''}" ''; # add pulseaudio support to manage audio hardware.pulseaudio.enable = true; # next sleep & wake is code from: https://github.com/hpfr/system/blob/2e5b3b967b0436203d7add6adbd6b6f55e87cf3c/hosts/linux-surface.nix systemd.services = { surface-sleep = { enable = lib.versionOlder config.boot.kernelPackages.kernel.version "5.4"; before = [ "suspend.target" ]; wantedBy = [ "suspend.target" ]; serviceConfig.Type = "oneshot"; path = with pkgs; [ procps kmod bluez ]; script = '' # Disable bluetooth if no device is connected if ps cax | grep bluetoothd && ! bluetoothctl info; then bluetoothctl power off fi ## Disable bluetooth regardless if devices are connected (see notes below) # if ps cax | grep bluetoothd; then # bluetoothctl power off # fi ## > Remove IPTS from ME side modprobe -r ipts_surface modprobe -r intel_ipts # modprobe -r mei_hdcp modprobe -r mei_me modprobe -r mei ## > Remove IPTS from i915 side for i in $(find /sys/kernel/debug/dri -name i915_ipts_cleanup); do echo 1 > $i done ''; }; surface-wake = { enable = lib.versionOlder config.boot.kernelPackages.kernel.version "5.4"; after = [ "post-resume.target" ]; wantedBy = [ "post-resume.target" ]; serviceConfig.Type = "oneshot"; path = with pkgs; [ procps kmod bluez ]; script = '' ## > Load IPTS from i915 side for i in $(find /sys/kernel/debug/dri -name i915_ipts_init); do echo 1 > $i done ## > Load IPTS from ME side modprobe mei modprobe mei_me # modprobe mei_hdcp modprobe intel_ipts modprobe ipts_surface # Restart bluetooth if ps cax | grep bluetoothd; then bluetoothctl power on fi ''; }; }; ## NOTES: # Susspend issue: # https://github.com/linux-surface/linux-surface/wiki/Known-Issues-and-FAQ#suspend-aka-sleep-vs-lid-closingopening-events # run: # > sudo modprobe -r surface_gpe # and: # > sudo bash -c 'echo -e "\n# Blacklisting lid vs. suspend issue module\nblacklist surface_gpe" >> /etc/modprobe.d/blacklist.conf' # # Now folding the keyboard to the screen will not suspend and brick the # session, but you will need to manually suspend the session if saving battery # is desired. }