/** @file
  ACPI DSDT table - Discrete DP Mux Switch

@copyright
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  This file contains a 'Sample Driver' and is licensed as such under the terms
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@par Specification Reference:
**/

External (\_SB.PC00.GFX0.IPCO, MethodObj)
External (\_SB.SGOV, MethodObj)
External (\_SB.GGOV, MethodObj)
External (\DPIW)                // Discrete DpIn Connection Policy Setup option
External (\DPG1)                // PcdDpMuxGpio
#define DP_ACTIVATE 1           // DP_ACTIVATE = 1 - External
                                // DP_ACTIVATE = 0 - Internal
#define DYNAMIC_SWITCH_ENABLE 2 // Runtime Switch

//
// Discrete Display Mux Switch (while Booting to OS, once per boot only)
// It is a feature allows an internal or external Gfx to tunnel its display
// via discrete TBT/USB4 port(TypeC connector) based on platform preferences
//
// Switching mux to dGfx source by _OSC which indicates booting to OS successfully
// _OSC UUID - 0811B06E-4A27-44F9-8D60-3CBBC22E7B48
//
Method (DDMS)
{
  //
  // Discrete DP Mux Switch - Runtime
  //
  //
  // Report Discrete Runtime Switch Supportivity
  //
  If (LAnd (CondRefOf (\DPIW), LAnd (\DPIW, DYNAMIC_SWITCH_ENABLE))) {
    If (\_SB.PC00.GFX0.IPCO ()) {
      If (CondRefOf (\DPG1)) {
        \_SB.SGOV (\DPG1, DP_ACTIVATE)
      } Else {
      }
    } Else {
    }
  } Else {
  }
}