/** @file
  Intel ACPI Reference Code for Intel(R) Dynamic Tuning Technology

@copyright
  INTEL CONFIDENTIAL
  Copyright 2017-2019 Intel Corporation.

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  this notice or any other notice embedded in Materials by Intel or
  Intel's suppliers or licensors in any way.

  This file contains a 'Sample Driver' and is licensed as such under the terms
  of your license agreement with Intel or your vendor. This file may be modified
  by the user, subject to the additional terms of the license agreement.

@par Specification Reference:
**/

Scope(\_SB.IETM)
{
    // KTOC (Kelvin to Celsius)
    //
    // This control method converts from 10ths of degree Kelvin to Celsius.
    //
    // Arguments: (1)
    //   Arg0 - Temperature in 10ths of degree Kelvin
    // Return Value:
    //   Temperature in Celsius
    //
    Method(KTOC,1,Serialized)
    {
      If(LGreater(Arg0,2732)) // make sure we have a temperature above zero Celcius
      {
        Return(Divide(Subtract(Arg0, 2732), 10))
      } Else {
        Return(0) // negative temperatures Celcius are changed to 0 degrees Celcius
      }
    }

    // CTOK (Celsius to Kelvin)
    //
    // This control method converts from Celsius to 10ths of degree Kelvin.
    //
    // Arguments: (1)
    //   Arg0 - Temperature in Celsius
    // Return Value:
    //   Temperature in 10ths of degree Kelvin
    //
    Method(CTOK,1,Serialized)
    {
      Return(Add(Multiply(Arg0,10),2732))
    }

    // C10K (Celsius to Kelvin)
    //
    // This control method converts from 10ths of degree Celsius (16 bit signed) to 10ths of degree Kelvin.
    // This method works only for temperatures upto absolute 0 Kelvin.
    //
    // Arguments: (1)
    //   Arg0 - Temperature in 10ths of degree Celsius (16 bit signed value)
    // Return Value:
    //   Temperature in 10ths of degree Kelvin
    //
    Method(C10K,1,Serialized)
    {
      Name(TMP1, Buffer(16) {0})
      CreateByteField(TMP1, 0x00, TMPL)
      CreateByteField(TMP1, 0x01, TMPH)

      Add(Arg0, 2732, Local0)
      Store(And(Local0,0xFF),TMPL)
      Store(ShiftRight(And(Local0,0xFF00),0x8),TMPH)

      ToInteger(TMP1, Local1)
      Return(Local1)

    }

    // K10C (Kelvin to Celsius)
    //
    // This control method converts from 10ths of degree Kelvin to 10ths of degree Celsius (16 bit signed).
    // This method works only for temperatures upto 0 degree celsius. Temperatures below 0 deg celsius are changed to 0 deg C.
    //
    // Arguments: (1)
    //   Arg0 - Temperature in 10ths of degree Kelvin
    // Return Value:
    //   Temperature in 10ths of degree Celsius (16 bit signed value)
    //
    Method(K10C,1,Serialized)
    {
      If(LGreater(Arg0,2732)) // make sure we have a temperature above zero Celcius
      {
        Return(Subtract(Arg0, 2732))
      } Else {
        Return(0) // negative temperatures Celcius are changed to 0 degrees Celcius
      }

    }
}