src/soc/intel/common/acpi/platform.asl

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <commonlib/include/commonlib/console/post_codes.h>
   4
   5 External(\_SB.MPTS, MethodObj)
   6 External(\_SB.MWAK, MethodObj)
   7 External(\_SB.PCI0.EGPM, MethodObj)
   8 External(\_SB.PCI0.RGPM, MethodObj)
   9 External(\_SB.PCI0.LPCB.EC0.PTS, MethodObj)
  10 External(\_SB.PCI0.LPCB.EC0.WAK, MethodObj)
  11
  12 #include <arch/x86/acpi/post.asl>
  13
  14 /*
  15  * The _PTS method (Prepare To Sleep) is called before the OS is
  16  * entering a sleep state. The sleep state number is passed in Arg0
  17  */
  18
  19 Method (_PTS, 1)
  20 {
  21         DBG0 = POSTCODE_OS_ENTER_PTS
  22
  23         If (CondRefOf (\_SB.PCI0.LPCB.EC0.PTS))
  24         {
  25                 \_SB.PCI0.LPCB.EC0.PTS (Arg0)
  26         }
  27         If (CondRefOf (\_SB.MPTS))
  28         {
  29                 \_SB.MPTS (Arg0)
  30         }
  31         /*
  32          * Save the current PM bits then
  33          * enable GPIO PM with MISCCFG_GPIO_PM_CONFIG_BITS
  34          */
  35         If (CondRefOf (\_SB.PCI0.EGPM))
  36         {
  37                 \_SB.PCI0.EGPM ()
  38         }
  39 }
  40
  41 /* The _WAK method is called on system wakeup */
  42
  43 Method (_WAK, 1)
  44 {
  45         DBG0 = POSTCODE_OS_ENTER_WAKE
  46
  47         If (CondRefOf (\_SB.PCI0.LPCB.EC0.WAK))
  48         {
  49                 \_SB.PCI0.LPCB.EC0.WAK (Arg0)
  50         }
  51         If (CondRefOf (\_SB.MWAK))
  52         {
  53                 \_SB.MWAK (Arg0)
  54         }
  55         /* Restore GPIO all Community PM */
  56         If (CondRefOf (\_SB.PCI0.RGPM))
  57         {
  58                 \_SB.PCI0.RGPM ()
  59         }
  60
  61         Return (Package(){0,0})
  62 }