Vlv2DeviceRefCodePkg/AcpiTablesPCAT/INTELISPDev2.ASL

   1 /*++
   2
   3 Copyright (c)  1999  - 2014, Intel Corporation. All rights reserved
   4
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13
  14
  15 Module Name:
  16
  17   INTELISPDev2.ASL
  18
  19 Abstract:
  20
  21   ISP Exist as B0D2F0 Software ACPI Reference Code for the Baytrail Family.
  22
  23 --*/
  24 ////Device ISP0
  25 Device(ISP0)
  26 {
  27   Name(_ADR, 0x0F38)
  28   //Name (_HID, "80860F38")
  29   //Name (_CID, "80860F38")
  30   Name(_DDN, "VLV2 ISP - 80860F38")
  31   Name(_UID, 0x01)
  32
  33   Method (_STA, 0, NotSerialized)
  34   {
  35     If(LEqual(ISPD,1))   //Dev2 need report ISP0 as GFX0 child
  36     {
  37       Return (0xF)
  38     }
  39     Else
  40     {
  41       Return (0x0)
  42     }
  43   }
  44   Name(SBUF,ResourceTemplate ()
  45   {
  46     Memory32Fixed (ReadWrite, 0x00000000, 0x00400000, ISP0)
  47   })
  48   Method(_CRS, 0x0, NotSerialized)
  49   {
  50     Return (SBUF)
  51   }
  52   Method (_SRS, 0x1, NotSerialized)
  53   {
  54   }
  55   Method (_DIS, 0x0, NotSerialized)
  56   {
  57   }
  58   Method(_DSM, 0x4, NotSerialized)
  59   {
  60     If (LEqual (Arg0, 0x01))
  61     {
  62       ///Switch ISP to D3H
  63       Return (0x01)
  64     }
  65     Elseif (LEqual (Arg0, 0x02))
  66     {
  67       //Switch ISP to D0
  68       Return (0x02)
  69     }
  70     Else
  71     {
  72       //Do nothing
  73       Return (0x0F)
  74     }
  75   }
  76 } ///End ISP0
  77