blob: 13c111e20b42caff23d6d6b6797d27606185d69f [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Sage Electronic Engineering, LLC
*
* 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; version 2 of the License.
*
* 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.
*/
/* Wake status package */
Name (WKST, Package() { Zero, Zero })
/*
* \_PTS - Prepare to Sleep method
*
* Entry:
* Arg0=The value of the sleeping state S1=1, S2=2, etc
*
* Exit:
* -none-
*
* The _PTS control method is executed at the beginning of the sleep process
* for S1-S5. The sleeping value is passed to the _PTS control method. This
* control method may be executed a relatively long time before entering the
* sleep state and the OS may abort the operation without notification to
* the ACPI driver. This method cannot modify the configuration or power
* state of any device in the system.
*/
Method (_PTS, 1)
{
/* DBGO ("\\_PTS\n") */
/* DBGO ("From S0 to S") */
/* DBGO (Arg0) */
/* DBGO ("\n") */
\_SB.PCI0.FPTS ()
/* Clear wake status structure. */
Store (0, PEWD)
Store (0, Index(WKST,0))
Store (0, Index(WKST,1))
Store (7, UPWS)
}
/*
* \_BFS OEM Back From Sleep method
*
* Entry:
* Arg0=The value of the sleeping state S1=1, S2=2
*
* Exit:
* -none-
*/
Method (\_BFS, 1)
{
/* DBGO ("\\_BFS\n") */
/* DBGO ("From S") */
/* DBGO (Arg0) */
/* DBGO (" to S0\n") */
}
/*
* \_WAK System Wake method
*
* Entry:
* Arg0=The value of the sleeping state S1=1, S2=2
*
* Exit:
* Return package of 2 DWords
* Dword 1 - Status
* 0x00000000 wake succeeded
* 0x00000001 Wake was signaled but failed due to lack of power
* 0x00000002 Wake was signaled but failed due to thermal condition
* Dword 2 - Power Supply state
* if non-zero the effective S-state the power supply entered
*/
Method (\_WAK, 1)
{
/* DBGO ("\\_WAK\n") */
/* DBGO ("From S") */
/* DBGO (Arg0) */
/* DBGO (" to S0\n") */
\_SB.PCI0.FWAK ()
Return (WKST)
}