1# This is a custom file for a surface.
  2
  3{ config, lib, pkgs, modulesPath, ... }:
  4
  5{
  6  environment.systemPackages = with pkgs; [
  7	obs-studio
  8	rnote
  9	xournalpp
 10  ];
 11
 12
 13  # Set an usable key configuration: Ctrl at capslock, Win at Alt, Alt at Ctrl
 14  services.xserver.displayManager.sessionCommands =''
 15    ${pkgs.xorg.xmodmap}/bin/xmodmap "${pkgs.writeText  "xkb-layout" ''
 16      !
 17      ! Swap Caps_Lock and Control_L
 18      !
 19      
 20	remove Lock = Caps_Lock
 21	remove Control = Control_L
 22	! keysym Control_L = Caps_Lock
 23	keysym Control_L = Mode_switch
 24	keysym Caps_Lock = Control_L
 25	add Lock = Caps_Lock
 26	add Control = Control_L
 27
 28	! map arrows to more ergonomic position
 29	keycode  43 = h H Left
 30	keycode  44 = j J Down
 31	keycode  45 = k K Up 
 32	keycode  46 = l L Right 
 33    ''}"
 34  '';
 35
 36
 37  # add pulseaudio support to manage audio
 38  hardware.pulseaudio.enable = true;
 39
 40  # prevent suspend on folding
 41  services.logind.lidSwitch = "ignore";
 42
 43  # next sleep & wake is code from: https://github.com/hpfr/system/blob/2e5b3b967b0436203d7add6adbd6b6f55e87cf3c/hosts/linux-surface.nix
 44  # systemd.services = {
 45  #   surface-sleep = {
 46  #     enable = lib.versionOlder config.boot.kernelPackages.kernel.version "5.4";
 47  #     before = [ "suspend.target" ];
 48  #     wantedBy = [ "suspend.target" ];
 49  #     serviceConfig.Type = "oneshot";
 50  #     path = with pkgs; [ procps kmod bluez ];
 51  #     script = ''
 52  #       # Disable bluetooth if no device is connected
 53  #       if ps cax | grep bluetoothd && ! bluetoothctl info; then
 54  #         bluetoothctl power off
 55  #       fi
 56
 57  #       ## Disable bluetooth regardless if devices are connected (see notes below)
 58  #       # if ps cax | grep bluetoothd; then
 59  #       #   bluetoothctl power off
 60  #       # fi
 61
 62  #       ## > Remove IPTS from ME side
 63  #       modprobe -r ipts_surface
 64  #       modprobe -r intel_ipts
 65  #       # modprobe -r mei_hdcp
 66  #       modprobe -r mei_me
 67  #       modprobe -r mei
 68  #       ## > Remove IPTS from i915 side
 69  #       for i in $(find /sys/kernel/debug/dri -name i915_ipts_cleanup); do
 70  #         echo 1 > $i
 71  #       done
 72  #     '';
 73  #   };
 74  #   surface-wake = {
 75  #     enable = lib.versionOlder config.boot.kernelPackages.kernel.version "5.4";
 76  #     after = [ "post-resume.target" ];
 77  #     wantedBy = [ "post-resume.target" ];
 78  #     serviceConfig.Type = "oneshot";
 79  #     path = with pkgs; [ procps kmod bluez ];
 80  #     script = ''
 81  #       ## > Load IPTS from i915 side
 82  #       for i in $(find /sys/kernel/debug/dri -name i915_ipts_init); do
 83  #         echo 1 > $i
 84  #       done
 85  #       ## > Load IPTS from ME side
 86  #       modprobe mei
 87  #       modprobe mei_me
 88  #       # modprobe mei_hdcp
 89  #       modprobe intel_ipts
 90  #       modprobe ipts_surface
 91
 92  #       # Restart bluetooth
 93  #       if ps cax | grep bluetoothd; then
 94  #         bluetoothctl power on
 95  #       fi
 96  #     '';
 97  #   };
 98  # };
 99
100## NOTES:
101# Susspend issue:
102# https://github.com/linux-surface/linux-surface/wiki/Known-Issues-and-FAQ#suspend-aka-sleep-vs-lid-closingopening-events
103# run:
104# > sudo modprobe -r surface_gpe
105# and:
106# > sudo bash -c 'echo -e "\n# Blacklisting lid vs. suspend issue module\nblacklist surface_gpe" >> /etc/modprobe.d/blacklist.conf'
107#
108# Now folding the keyboard to the screen will not suspend and brick the
109# session, but you will need to manually suspend the session if saving battery
110# is desired.
111}