Vlv2DeviceRefCodePkg/AcpiTablesPCAT/INTELISPDev2.ASL

   1 /*++
   2
   3 Copyright (c)  1999  - 2014, Intel Corporation. All rights reserved
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11   INTELISPDev2.ASL
  12
  13 Abstract:
  14
  15   ISP Exist as B0D2F0 Software ACPI Reference Code for the Baytrail Family.
  16
  17 --*/
  18 ////Device ISP0
  19 Device(ISP0)
  20 {
  21   Name(_ADR, 0x0F38)
  22   //Name (_HID, "80860F38")
  23   //Name (_CID, "80860F38")
  24   Name(_DDN, "VLV2 ISP - 80860F38")
  25   Name(_UID, 0x01)
  26
  27   Method (_STA, 0, NotSerialized)
  28   {
  29     If(LEqual(ISPD,1))   //Dev2 need report ISP0 as GFX0 child
  30     {
  31       Return (0xF)
  32     }
  33     Else
  34     {
  35       Return (0x0)
  36     }
  37   }
  38   Name(SBUF,ResourceTemplate ()
  39   {
  40     Memory32Fixed (ReadWrite, 0x00000000, 0x00400000, ISP0)
  41   })
  42   Method(_CRS, 0x0, NotSerialized)
  43   {
  44     Return (SBUF)
  45   }
  46   Method (_SRS, 0x1, NotSerialized)
  47   {
  48   }
  49   Method (_DIS, 0x0, NotSerialized)
  50   {
  51   }
  52   Method(_DSM, 0x4, NotSerialized)
  53   {
  54     If (LEqual (Arg0, 0x01))
  55     {
  56       ///Switch ISP to D3H
  57       Return (0x01)
  58     }
  59     Elseif (LEqual (Arg0, 0x02))
  60     {
  61       //Switch ISP to D0
  62       Return (0x02)
  63     }
  64     Else
  65     {
  66       //Do nothing
  67       Return (0x0F)
  68     }
  69   }
  70 } ///End ISP0
  71