| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2009 coresystems GmbH |
| * |
| * 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. |
| */ |
| |
| /* 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) |
| { |
| \_SB.PCI0.LPCB.EC.MUTE(1) |
| \_SB.PCI0.LPCB.EC.USBP(0) |
| \_SB.PCI0.LPCB.EC.RADI(0) |
| } |
| |
| /* The _WAK method is called on system wakeup */ |
| |
| Method(_WAK,1) |
| { |
| // CPU specific part |
| |
| // Notify PCI Express slots in case a card |
| // was inserted while a sleep state was active. |
| |
| // Are we going to S3? |
| If (LEqual(Arg0, 3)) { |
| // .. |
| } |
| |
| // Are we going to S4? |
| If (LEqual(Arg0, 4)) { |
| // .. |
| } |
| |
| // TODO: Windows XP SP2 P-State restore |
| |
| Return(Package(){0,0}) |
| } |
| |
| /* 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 |
| */ |
| |
| // TRAP(71) // TODO |
| |
| \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 (LAnd(LEqual(OSYS, 2001), MPEN)) { |
| // TRAP(61) // TODO |
| } |
| |
| /* SMM power state and C4-on-C3 settings need to be updated */ |
| // TRAP(43) // TODO |
| } |
| } |