text: # -*- coding: utf-8 -*-
  
  # Copyright (c) 2020 Intel Corporation
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  import os
  
  from . import objects
  
  DEVICE_IDS = {
      "tgl": {
          0x9A40,
          0x9A49,
          0x9A59,
          0x9A60,
          0x9A68,
          0x9A70,
          0x9A78,
          0x9AC0,
          0x9AC9,
          0x9AD9,
          0x9AF8,
      }
  }
  
  
  class UnsupportedPlatform(objects.ConfigurationError):
      pass
  
  
  def check_platform(current_device_id, supported_platforms):
      current_platform = '<unknown>'
      for platform, ids in DEVICE_IDS.items():
          if current_device_id in ids:
              current_platform = platform
      return current_platform in supported_platforms
  
  
  def get_current_device_id(device_name):
      device_id_path = "/sys/class/drm/{}/device/device".format(device_name)
      if os.path.isfile(device_id_path):
          with open(device_id_path) as f:
              return int(f.read(), base=16)
  