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path: root/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/GpioLib.asl
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/** @file
  Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>

  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php.

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

include ("BxtPGpioDefine.asl")

//
// GPIO Access Library
//
Scope(\_SB)
{
  //
  // Get Pad Configuration DW0 register value
  //
  Method(GPC0, 0x1, Serialized)
  {
    //
    // Arg0 - (GpioCommunityAddress + Gpio MMIO_Offset)
    //

    // Local0 = (GpioCommunityAddress + Gpio MMIO_Offset)
    Store(Arg0, Local0)
    OperationRegion(PDW0, SystemMemory, Or (P2BA, Local0), 4)
    Field(PDW0, AnyAcc, NoLock, Preserve) {
      Offset(0x0),
        TEMP,32
    }
    Return(TEMP)
  }

  //
  // Set Pad Configuration DW0 register value
  //
  Method(SPC0, 0x2, Serialized)
  {
    //
    // Arg0 - (GpioCommunityAddress + Gpio MMIO_Offset)
    // Arg1 - Value for DW0 register
    //

    // Local0 = (GpioCommunityAddress + Gpio MMIO_Offset)
    Store(Arg0, Local0)
    OperationRegion(PDW0, SystemMemory, Or (P2BA, Local0), 4)
    Field(PDW0, AnyAcc, NoLock, Preserve) {
      Offset(0x0),
        TEMP,32
    }
    Store(Arg1,TEMP)
  }

  //
  // Get Pad Configuration DW1 register value
  //
  Method(GPC1, 0x1, Serialized)
  {
    //
    // Arg0 -Local0 = (GpioCommunityAddress + Gpio MMIO_Offset) + 0x4
    //

    // Local0 = (GpioCommunityAddress + Gpio MMIO_Offset) + 0x4
    Store( Add( Arg0, 0x4), Local0)
    OperationRegion(PDW1, SystemMemory, Or (P2BA, Local0), 4)
    Field(PDW1, AnyAcc, NoLock, Preserve) {
      Offset(0x0),
        TEMP,32
    }
    Return(TEMP)
  }

  //
  // Set Pad Configuration DW1 register value
  //
  Method(SPC1, 0x2, Serialized)
  {
    //
    // Arg0 - (GpioCommunityAddress + Gpio MMIO_Offset) + 0x4
    // Arg1 - Value for DW1 register
    //

    // Local0 = (GpioCommunityAddress + Gpio MMIO_Offset) + 0x4
    Store( Add( Arg0, 0x4), Local0)
    OperationRegion(PDW1, SystemMemory, Or (P2BA, Local0), 4)
    Field(PDW1, AnyAcc, NoLock, Preserve) {
      Offset(0x0),
        TEMP,32
    }
    Store(Arg1,TEMP)
  }

  //
  // Get GPI Input Value
  //
  Method(GGIV, 0x1, Serialized)
  {
    //
    // Arg0 - (GpioCommunityAddress + Gpio MMIO_Offset)
    //

    // Local0 = (GpioCommunityAddress + Gpio MMIO_Offset)
    Store( Arg0, Local0)
    OperationRegion(PDW0, SystemMemory, Or (P2BA, Local0), 4)
    Field(PDW0, AnyAcc, NoLock, Preserve) {
      Offset(0x0),
        ,    1,
        TEMP,1,
        ,    30
    }
    Return(TEMP)
  }

  //
  // Get GPO Output Value
  //
  Method(GGOV, 0x1, Serialized)
  {
    //
    // Arg0 - (GpioCommunityAddress + Gpio MMIO_Offset)
    //

    // Local0 = (GpioCommunityAddress + Gpio MMIO_Offset)
    Store( Arg0, Local0)
    OperationRegion(PDW0, SystemMemory, Or (P2BA, Local0), 4)
    Field(PDW0, AnyAcc, NoLock, Preserve) {
      Offset(0x0),
        TEMP,1,
        ,    31
    }
    Return(TEMP)
  }

  //
  // Set GPO Output Value
  //
  Method(SGOV, 0x2, Serialized)
  {
    //
    // Arg0 - (GpioCommunityAddress + Gpio MMIO_Offset)
    // Arg1 - Value of GPIO Tx State
    //

    // Local0 = (GpioCommunityAddress + Gpio MMIO_Offset)
    Store( Arg0, Local0)
    OperationRegion(PDW0, SystemMemory, Or (P2BA, Local0), 4)
    Field(PDW0, AnyAcc, NoLock, Preserve) {
      Offset(0x0),
        TEMP,1,
        ,    31
    }
    Store(Arg1,TEMP)
  }

} // \_SB Scope