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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
External(\_SB.MS0X, MethodObj)
External(\_SB.PCI0.LPCB.EC0.S0IX, MethodObj)
External(\_SB.PCI0.EGPM, MethodObj)
External(\_SB.PCI0.RGPM, MethodObj)
scope(\_SB)
{
Device(LPID) {
Name(_ADR, 0x00000000)
Name(_CID, EISAID("PNP0D80"))
Name(UUID,
ToUUID("c4eb40a0-6cd2-11e2-bcfd-0800200c9a66"))
Method(_DSM, 4) {
If(Arg0 == ^UUID) {
/*
* Enum functions
*/
If(Arg2 == Zero) {
Return(Buffer(One) {
0x60}
)
}
/*
* Function 1 - Get Device Constraints
*/
If(Arg2 == 1) {
Return(Package(5) {
0, Ones, Ones, Ones, Ones}
)
}
/*
* Function 2 - Get Crash Dump Device
*/
If(Arg2 == 2) {
Return(Buffer(One) {
0x0}
)
}
/*
* Function 3 - Display Off Notification
*/
If(Arg2 == 3) {
}
/*
* Function 4 - Display On Notification
*/
If(Arg2 == 4) {
}
/*
* Function 5 - Low Power S0 Entry Notification
*/
If(Arg2 == 5) {
/* Inform the EC */
If (CondRefOf (\_SB.PCI0.LPCB.EC0.S0IX)) {
\_SB.PCI0.LPCB.EC0.S0IX(1)
}
/* provide board level s0ix hook */
If (CondRefOf (\_SB.MS0X)) {
\_SB.MS0X(1)
}
/*
* Save the current PM bits then
* enable GPIO PM with MISCCFG_ENABLE_GPIO_PM_CONFIG
*/
If (CondRefOf (\_SB.PCI0.EGPM))
{
\_SB.PCI0.EGPM ()
}
}
/*
* Function 6 - Low Power S0 Exit Notification
*/
If(Arg2 == 6) {
/* Inform the EC */
If (CondRefOf (\_SB.PCI0.LPCB.EC0.S0IX)) {
\_SB.PCI0.LPCB.EC0.S0IX(0)
}
/* provide board level s0ix hook */
If (CondRefOf (\_SB.MS0X)) {
\_SB.MS0X(0)
}
/* Restore GPIO all Community PM */
If (CondRefOf (\_SB.PCI0.RGPM))
{
\_SB.PCI0.RGPM ()
}
}
}
Return(Buffer(One) {0x00})
} // Method(_DSM)
} // device (LPID)
} // End Scope(\_SB)
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