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mirror of https://github.com/NixOS/mobile-nixos.git synced 2024-12-15 19:23:01 +03:00
mobile-nixos/modules/initrd-usb.nix
Kirill Elagin 8869e2da37 Restart adb in stage-2
* Move adb to a separate module. It used to be in stage-1, but it is no
  longer stage-1 specific, as it is now started in stage-2 as well.
* After switching to stage-2 kill the old adbd and start a new one.
2019-10-27 00:34:55 +02:00

59 lines
1.5 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
with import ./initrd-order.nix;
let
cfg = config.mobile.boot.stage-1;
device_name = device_config.name;
device_config = config.mobile.device;
system_type = config.mobile.system.type;
in
{
# FIXME Generic USB gadget support to come.
options.mobile.boot.stage-1.usb = {
enable = mkOption {
type = types.bool;
default = true;
description = ''
Enables USB features.
For now, only Android-based devices are supported.
'';
};
features = mkOption {
type = types.listOf types.str;
default = [];
description = ''
`android_usb` features to enable.
'';
};
};
config.mobile.boot.stage-1 = lib.mkIf cfg.usb.enable {
usb.features = []
++ optional cfg.networking.enable "rndis"
;
# TODO: Only run, when we have the android usb driver
init = lib.mkOrder AFTER_DEVICE_INIT ''
# Setting up Android-specific USB.
(
SYS=/sys/class/android_usb/android0
if [ -e "$SYS" ]; then
printf "%s" "0" > "$SYS/enable"
printf "%s" "18D1" > "$SYS/idVendor"
printf "%s" "D001" > "$SYS/idProduct"
printf "%s" "0" > "$SYS/bDeviceClass"
printf "%s" "${concatStringsSep "," cfg.usb.features}" > "$SYS/functions"
printf "%s" "mobile-nixos" > "$SYS/iManufacturer"
printf "%s" "${device_name}" > "$SYS/iProduct"
printf "%s" "0123456789" > "$SYS/iSerial"
sleep 0.1
printf "%s" "1" > "$SYS/enable"
fi
)
'';
};
}