<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<!-- Naming style: the attribute names of elements uses "smallcase-and-dash" style.  -->

  <xs:simpleType name="ModemTypeEn">
    <xs:restriction base="xs:string">
      <xs:enumeration value="FM101"/>
      <xs:enumeration value="FM350"/>
      <xs:enumeration value="RW101"/>
      <xs:enumeration value="RW135"/>
      <xs:enumeration value="RW350"/>
      <xs:enumeration value="EM060"/>
      <xs:enumeration value="LCUK54"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="FormFactorTypeEn">
    <xs:restriction base="xs:string">
      <xs:enumeration value="CLAMSHELL"/>
      <xs:enumeration value="CONVERTIBLE"/>
      <xs:enumeration value="DETACHABLE"/>
      <xs:enumeration value="CHROMEBASE"/>
      <xs:enumeration value="CHROMEBOX"/>
      <xs:enumeration value="CHROMEBIT"/>
      <xs:enumeration value="CHROMESLATE"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="StorageTypeEn">
    <xs:restriction base="xs:string">
      <xs:enumeration value="EMMC"/>
      <xs:enumeration value="NVME"/>
      <xs:enumeration value="SATA"/>
      <xs:enumeration value="UFS"/>
      <xs:enumeration value="BRIDGED_EMMC"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="IdentityType">
    <xs:sequence>
      <xs:element type="xs:string" name="sku-id"/>
      <xs:element type="xs:string" name="model"/>
      <xs:element type="xs:string" name="frid"/>
      <xs:element type="xs:string" name="custom-label-tag" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="CellularConfigurationType">
    <xs:sequence>
      <xs:element type="xs:string" name="firmware-variant" minOccurs="1">
        <xs:annotation>
          <xs:documentation>The modem firmware file to flash onto the modem</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="modem-type" type="ModemTypeEn" minOccurs="1"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="FingerprintConfigurationType">
    <xs:sequence>
      <xs:element type="xs:string" name="board" minOccurs="1">
        <xs:annotation>
          <xs:documentation>Specifies the fingerprint board in use.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element type="xs:string" name="fingerprint-sensor-type" minOccurs="1">
        <xs:annotation>
          <xs:documentation>Type of FP sensor. Currently describes whether FP is overlapped on the power button or not.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element type="xs:string" name="ro-version" minOccurs="0">
        <xs:annotation>
          <xs:documentation>RO version for the fingerprint firmware for the FPMCU specified by the "board" property. If not specified, the default RO version for the FPMCU is used.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element type="xs:string" name="sensor-location" minOccurs="1">
        <xs:annotation>
          <xs:documentation>Specifies the location of the fingerprint sensor.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="FirmwareConfigurationType">
    <xs:sequence>
      <xs:element type="xs:string" name="firmware-manifest-key" minOccurs="1">
        <xs:annotation>
          <xs:documentation>The key is used by the firmware updater to select the AP/EC firmware bundle.</xs:documentation>
        </xs:annotation>
      </xs:element>
      </xs:sequence>
  </xs:complexType>

  <xs:complexType name="AudioConfigurationType">
    <xs:sequence>
      <xs:element type="xs:string" name="audio-config-dir" minOccurs="1">
        <xs:annotation>
          <xs:documentation>The model-specific config directory name.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element type="xs:string" name="soundcard" minOccurs="1">
        <xs:annotation>
          <xs:documentation>Internal sound card name.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="VideoConfigurationType">
    <xs:sequence>
      <xs:element type="xs:string" name="video-codec-suffix" minOccurs="1">
        <xs:annotation>
          <xs:documentation>Suffix to media codec configuration files.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="CameraConfigurationType">
    <xs:sequence>
      <xs:element type="xs:string" name="media-profile-suffix" minOccurs="1">
        <xs:annotation>
          <xs:documentation>This is used to set ro.media.xml_variant.profiles, which derives the media_profile.xml file for the given SKU. </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="HardwareFeaturesType">
    <xs:sequence>
      <xs:element type="FormFactorTypeEn" name="form-factor" minOccurs="1">
        <xs:annotation>
          <xs:documentation>The form factor of the device (e.g., CLAMSHELL, CONVERTIBLE).</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <!-- Beginning of WiFi related types -->
  <xs:simpleType name="WiFiChipType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="intel"/>
      <xs:enumeration value="mtk"/>
      <xs:enumeration value="rtw"/>
      <xs:enumeration value="qcom"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="PowerValueType">
    <xs:restriction base="xs:integer">
      <xs:minInclusive value="0"/>
      <xs:maxInclusive value="255"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="PowerConfigType">
    <xs:sequence>
      <xs:element name="PowerLimit" type="PowerValueType"/>
      <xs:element name="PowerOffset" type="PowerValueType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="RegDomainType">
    <xs:sequence>
      <xs:element name="PowerConfig.2g" type="PowerConfigType" minOccurs="1" maxOccurs="1"/>
      <xs:element name="PowerConfig.5g" type="PowerConfigType" minOccurs="1" maxOccurs="1"/>
      <xs:element name="PowerConfig.6g" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="PowerTableType">
    <xs:sequence>
      <xs:element name="PowerConfig.2g" type="PowerConfigType" minOccurs="1" maxOccurs="1"/>
      <xs:element name="PowerConfig.5g" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.5g_1" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.5g_2" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.5g_3" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.5g_4" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.6g_1" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.6g_2" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.6g_3" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.6g_4" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.6g_5" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerConfig.6g_6" type="PowerConfigType" minOccurs="0" maxOccurs="1"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="SarSpecType">
    <xs:all>
      <xs:element name="RegDomain.fcc" type="RegDomainType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="RegDomain.eu" type="RegDomainType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="RegDomain.other" type="RegDomainType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerTable.tablet" type="PowerTableType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="PowerTable.clamshell" type="PowerTableType" minOccurs="1" maxOccurs="1"/>
    </xs:all>
  </xs:complexType>

  <xs:complexType name="SarConfigType">
    <xs:sequence>
      <xs:element name="Chip" type="WiFiChipType" minOccurs="1"/>
      <xs:element name="MTKConfig" type="SarSpecType" minOccurs="0" maxOccurs="1"/>
      <xs:element name="RTWConfig" type="SarSpecType" minOccurs="0" maxOccurs="1"/>
    </xs:sequence>
  </xs:complexType>
  <!-- End of WiFi related section -->

  <xs:complexType name="StorageConfigurationType">
    <xs:sequence>
      <xs:element type="StorageTypeEn" name="storage-type" minOccurs="1">
        <xs:annotation>
          <xs:documentation>Non-volatile storage type.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="HalConfigType">
    <xs:sequence>
      <xs:element name="Identity" type="IdentityType"/>
      <xs:element name="CellularConfiguration" type="CellularConfigurationType" minOccurs="0"/>
      <xs:element name="FingerprintConfiguration" type="FingerprintConfigurationType" minOccurs="0"/>
      <xs:element name="FirmwareConfiguration" type="FirmwareConfigurationType" minOccurs="0"/>
      <xs:element name="AudioConfiguration" type="AudioConfigurationType" minOccurs="0"/>
      <xs:element name="VideoConfiguration" type="VideoConfigurationType" minOccurs="0"/>
      <xs:element name="CameraConfiguration" type="CameraConfigurationType" minOccurs="0"/>
      <xs:element name="HardwareFeatures" type="HardwareFeaturesType" minOccurs="0"/>
      <xs:element name="WiFiSarConfiguration" type="SarConfigType" minOccurs="0"/>
      <xs:element name="StorageConfiguration" type="StorageConfigurationType" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:element name="HalConfigurations">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="HalConfig" type="HalConfigType" minOccurs="1" maxOccurs="unbounded"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

</xs:schema>