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/* SPDX-License-Identifier: GPL-2.0-only */
/* The _PTS method (Prepare To Sleep) is called before the OS is
* entering a sleep state. The sleep state number is passed in Arg0
*/
Method(_PTS,1)
{
TRAP(0xed)
Sleep(1000)
\_SB.ACFG = 0
// Are we going to S4?
If (Arg0 == 4) {
TRAP(0xe7)
TRAP(0xea)
}
// Are we going to S5?
If (Arg0 == 5) {
TRAP(0xde)
}
// The 2.6.12.5 ACPI engine seems to optimize the
// If(Arg0 == 5) path away. This keeps it from doing so:
TRAP(Arg0)
DBG0 = Arg0
// End of ugly OS bug workaround
}
/* The _WAK method is called on system wakeup */
Method(_WAK,1)
{
// Enable GPS
GP11 = 1 // GPSE
// Wake from S3 or S4?
If ((Arg0 == 0x03) || (Arg0 == 0x04)) {
If (CFGD & 0x01000000) {
If ((CFGD & 0xF0) && (OSYS == 2001)) {
TRAP(0x3d)
}
}
}
// Notify PCI Express slots in case a card
// was inserted while a sleep state was active.
If (RP1D == 0) {
Notify(\_SB.PCI0.RP01, 0)
}
If (RP3D == 0) {
Notify(\_SB.PCI0.RP03, 0)
}
If (RP4D == 0) {
Notify(\_SB.PCI0.RP04, 0)
}
// Are we coming from S3?
If (Arg0 == 3) {
TRAP(0xeb)
TRAP(0x46)
}
// Are we coming from S4?
If (Arg0 == 4) {
Notify(SLPB, 0x02)
If (DTSE) {
TRAP(0x47)
}
}
// Windows XP SP2 P-State restore
If ((OSYS == 2002) && (CFGD & 0x01)) {
If (\_SB.CP00._PPC > 0) {
\_SB.CP00._PPC -= 1
PNOT()
\_SB.CP00._PPC += 1
PNOT()
} Else {
\_SB.CP00._PPC += 1
PNOT()
\_SB.CP00._PPC -= 1
PNOT()
}
}
Return(Package(){0,0})
}
// Hardcoded for now..
Name (CFGD, 0x113B69F1)
/* System Bus */
Scope(\_SB)
{
/* This method is placed on the top level, so we can make sure it's the
* first executed _INI method.
*/
Method(_INI, 0)
{
/* The DTS data in NVS is probably not up to date.
* Update temperature values and make sure AP thermal
* interrupts can happen
*/
If (DTSE) {
TRAP(0x47)
}
\GOS()
/* And the OS workarounds start right after we know what we're
* running: Windows XP SP1 needs to have C-State coordination
* enabled in SMM.
*/
If ((OSYS == 2001) && MPEN) {
TRAP(0x3d)
}
/* SMM power state and C4-on-C3 settings need to be updated */
// TRAP(43)
/* OS Init */
TRAP(0x32)
}
}
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