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 ; SPDX-License-Identifier: BSD-2-Clause-Patent
  11 ;
  12 ;*                                                                        *;
  13 ;*                                                                        *;
  14 ;**************************************************************************/
  15
  16
  17 // General Purpose Events.  This Scope handles the Run-time and
  18 // Wake-time SCIs.  The specific method called will be determined by
  19 // the _Lxx value, where xx equals the bit location in the General
  20 // Purpose Event register(s).
  21
  22 Scope(\_GPE)
  23 {
  24   //
  25   // Software GPE caused the event.
  26   //
  27   Method(_L02)
  28   {
  29     // Clear GPE status bit.
  30     Store(0,GPEC)
  31     //
  32     // Handle DTS Thermal Events.
  33     //
  34     External(DTSE, IntObj)
  35     If(CondRefOf(DTSE))
  36     {
  37       If(LGreaterEqual(DTSE, 0x01))
  38       {
  39         Notify(\_TZ.TZ01,0x80)
  40       }
  41     }
  42   }
  43
  44   //
  45   // PUNIT SCI event.
  46   //
  47   Method(_L04)
  48   {
  49     // Clear the PUNIT Status Bit.
  50     Store(1, PSCI)
  51   }
  52
  53
  54   //
  55   // IGD OpRegion SCI event (see IGD OpRegion/Software SCI BIOS SPEC).
  56   //
  57   Method(_L05)
  58   {
  59     If(LAnd(\_SB.PCI0.GFX0.GSSE, LNot(GSMI)))   // Graphics software SCI event?
  60     {
  61       \_SB.PCI0.GFX0.GSCI()     // Handle the SWSCI
  62     }
  63   }
  64
  65   //
  66   // This PME event (PCH's GPE #13) is received when any PCH internal device with PCI Power Management capabilities
  67   // on bus 0 asserts the equivalent of the PME# signal.
  68   //
  69   Method(_L0D, 0)
  70   {
  71     If(LAnd(\_SB.PCI0.EHC1.PMEE, \_SB.PCI0.EHC1.PMES))
  72     {
  73       If(LNotEqual(OSEL, 1))
  74       {
  75         Store(1, \_SB.PCI0.EHC1.PMES) //Clear PME status
  76         Store(0, \_SB.PCI0.EHC1.PMEE) //Disable PME
  77       }
  78       Notify(\_SB.PCI0.EHC1, 0x02)
  79     }
  80     If(LAnd(\_SB.PCI0.XHC1.PMEE, \_SB.PCI0.XHC1.PMES))
  81     {
  82       If(LNotEqual(OSEL, 1))
  83       {
  84         Store(1, \_SB.PCI0.XHC1.PMES) //Clear PME status
  85         Store(0, \_SB.PCI0.XHC1.PMEE) //Disable PME
  86       }
  87       Notify(\_SB.PCI0.XHC1, 0x02)
  88     }
  89     If(LAnd(\_SB.PCI0.HDEF.PMEE, \_SB.PCI0.HDEF.PMES))
  90     {
  91       If(LNotEqual(OSEL, 1))
  92       {
  93         Store(1, \_SB.PCI0.HDEF.PMES) //Clear PME status
  94         Store(0, \_SB.PCI0.HDEF.PMEE) //Disable PME
  95       }
  96       Notify(\_SB.PCI0.HDEF, 0x02)
  97     }
  98   }
  99 }