mobile-nixos/devices/razer-cheryl2/default.nix

{ pkgs, ... }:

{
  mobile.device.name = "razer-cheryl2";
  mobile.device.identity = {
    name = "Phone 2";
    manufacturer = "Razer";
  };

  mobile.hardware = {
    soc = "qualcomm-sdm845";
    ram = 1024 * 8;
    screen = {
      width = 1440; height = 2560;
    };
  };

  mobile.boot.stage-1 = {
    kernel.package = pkgs.callPackage ./kernel { };
  };

  mobile.system.android = {
    # This device has an A/B partition scheme.
    ab_partitions = true;

    bootimg.flash = {
      offset_base = "0x00000000";
      offset_kernel = "0x00008000";
      offset_ramdisk = "0x01000000";
      offset_second = "0x00f00000";
      offset_tags = "0x00000100";
      pagesize = "4096";
    };
  };

  mobile.system.vendor.partition = "/dev/disk/by-partlabel/vendor_a";

  boot.kernelParams = [
    # Extracted from an Android boot image
    #"console=ttyMSM0,115200n8"
    #"earlycon=msm_geni_serial,0xA84000"
    "androidboot.hardware=qcom"
    "androidboot.console=ttyMSM0"
    #"video=vfb:640x400,bpp=32,memsize=3072000"
    "msm_rtb.filter=0x237"
    "ehci-hcd.park=3"
    "lpm_levels.sleep_disabled=1"
    "service_locator.enable=1"
    "swiotlb=2048"
    "androidboot.configfs=true"
    #"firmware_class.path=/vendor/firmware_mnt/image"
    "loop.max_part=7"
    "androidboot.usbcontroller=a600000.dwc3"
    "buildvariant=user"
  ];

  mobile.system.type = "android";

  mobile.usb.mode = "gadgetfs";
  # Google
  mobile.usb.idVendor = "18D1";
  # "Nexus 4"
  mobile.usb.idProduct = "D001";

  mobile.usb.gadgetfs.functions = {
    rndis = "gsi.rndis";
  };

  mobile.boot.stage-1.tasks = [
    # This works around an issue with the default boot and the panel.
    # Instead we reboot in recovery mode where it just works :/
    (pkgs.writeText "reboot_recovery.rb" ''
      class Tasks::MaybeRebootToRecovery < SingletonTask
        def initialize()
          add_dependency(:Files, "/proc/cmdline")
        end

        def booted_with_recovery_fdt?()
          # TODO: actually detect FDT using /proc/device-tree
          cmdline = File.read("/proc/cmdline")
          [
            # Assume presence of that cmdline means it booted with normal boot
            !cmdline.match(/mdss_dsi_nt36830_wqhd_dualdsi_extclk_cmd_10bit/),
          ].any?()
        end

        def run()
          unless booted_with_recovery_fdt?()
            $logger.info("HACK!! Rebooting to recovery to have a working display...")
            System.run("reboot", "recovery")
          end
        end
      end
    '')
  ];
}