Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Gpe.asl

   1 /**************************************************************************;
   2 ;*                                                                        *;
   3 ;*                                                                        *;
   4 ;*    Intel Corporation - ACPI Reference Code for the Baytrail            *;
   5 ;*    Family of Customer Reference Boards.                                *;
   6 ;*                                                                        *;
   7 ;*                                                                        *;
   8 ;*    Copyright (c) 2012  - 2014, Intel Corporation. All rights reserved    *;
   9 ;
  10 ; This program and the accompanying materials are licensed and made available under
  11 ; the terms and conditions of the BSD License that accompanies this distribution.
  12 ; The full text of the license may be found at
  13 ; http://opensource.org/licenses/bsd-license.php.
  14 ;
  15 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  16 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  17 ;
  18 ;*                                                                        *;
  19 ;*                                                                        *;
  20 ;**************************************************************************/
  21
  22
  23 // General Purpose Events.  This Scope handles the Run-time and
  24 // Wake-time SCIs.  The specific method called will be determined by
  25 // the _Lxx value, where xx equals the bit location in the General
  26 // Purpose Event register(s).
  27
  28 Scope(\_GPE)
  29 {
  30   //
  31   // Software GPE caused the event.
  32   //
  33   Method(_L02)
  34   {
  35     // Clear GPE status bit.
  36     Store(0,GPEC)
  37     //
  38     // Handle DTS Thermal Events.
  39     //
  40     External(DTSE, IntObj)
  41     If(CondRefOf(DTSE))
  42     {
  43       If(LGreaterEqual(DTSE, 0x01))
  44       {
  45         Notify(\_TZ.TZ01,0x80)
  46       }
  47     }
  48   }
  49
  50   //
  51   // PUNIT SCI event.
  52   //
  53   Method(_L04)
  54   {
  55     // Clear the PUNIT Status Bit.
  56     Store(1, PSCI)
  57   }
  58
  59
  60   //
  61   // IGD OpRegion SCI event (see IGD OpRegion/Software SCI BIOS SPEC).
  62   //
  63   Method(_L05)
  64   {
  65     If(LAnd(\_SB.PCI0.GFX0.GSSE, LNot(GSMI)))   // Graphics software SCI event?
  66     {
  67       \_SB.PCI0.GFX0.GSCI()     // Handle the SWSCI
  68     }
  69   }
  70
  71   //
  72   // This PME event (PCH's GPE #13) is received when any PCH internal device with PCI Power Management capabilities
  73   // on bus 0 asserts the equivalent of the PME# signal.
  74   //
  75   Method(_L0D, 0)
  76   {
  77     If(LAnd(\_SB.PCI0.EHC1.PMEE, \_SB.PCI0.EHC1.PMES))
  78     {
  79       If(LNotEqual(OSEL, 1))
  80       {
  81         Store(1, \_SB.PCI0.EHC1.PMES) //Clear PME status
  82         Store(0, \_SB.PCI0.EHC1.PMEE) //Disable PME
  83       }
  84       Notify(\_SB.PCI0.EHC1, 0x02)
  85     }
  86     If(LAnd(\_SB.PCI0.XHC1.PMEE, \_SB.PCI0.XHC1.PMES))
  87     {
  88       If(LNotEqual(OSEL, 1))
  89       {
  90         Store(1, \_SB.PCI0.XHC1.PMES) //Clear PME status
  91         Store(0, \_SB.PCI0.XHC1.PMEE) //Disable PME
  92       }
  93       Notify(\_SB.PCI0.XHC1, 0x02)
  94     }
  95     If(LAnd(\_SB.PCI0.HDEF.PMEE, \_SB.PCI0.HDEF.PMES))
  96     {
  97       If(LNotEqual(OSEL, 1))
  98       {
  99         Store(1, \_SB.PCI0.HDEF.PMES) //Clear PME status
 100         Store(0, \_SB.PCI0.HDEF.PMEE) //Disable PME
 101       }
 102       Notify(\_SB.PCI0.HDEF, 0x02)
 103     }
 104   }
 105 }