X60: Add _PRW/_PSW methods to LID/SLPB objects

This patch adds the required methods for enabling/disabling
the LID and SLPB objects as wake source. On Thinkpads, the
Fn key can (and is by the Vendor BIOS) programmed as Wake source,
so let's do it the same way.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Peter Stuge <peter@stuge.se>

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6444 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/mainboard/lenovo/x60/acpi/lid.asl

@@ -21,6 +21,9 @@
 
 Field(ERAM, ByteAcc, NoLock, Preserve)
 {
+                Offset (0x32),
+			    , 2,
+			WKLD, 1,
 		Offset (0x46),
 			    , 2,
 			LIDS, 1
@@ -34,4 +37,18 @@ Device(LID)
 	{
 		return (LIDS)
 	}
+
+	Method(_PRW, 0, NotSerialized)
+	{
+		Return (Package() { 0x18, 0x03 })
+	}
+
+	Method(_PSW, 1, NotSerialized)
+	{
+		if (Arg0) {
+			Store(1, WKLD)
+		} else {
+			Store(0, WKLD)
+		}
+	}
 }

src/mainboard/lenovo/x60/acpi/sleepbutton.asl

@@ -19,7 +19,31 @@
  * MA 02110-1301 USA
  */
 
+Field(ERAM, ByteAcc, NoLock, Preserve)
+{
+		Offset (0x32),
+			    , 4,
+			WKFN, 1,
+		Offset(0x83),
+			FNKY, 8
+}
+
 Device(SLPB)
 {
         Name (_HID, EisaId ("PNP0C0E"))
+	Method(_PRW, 0, NotSerialized)
+	{
+		Return (Package() { 0x18, 0x03 })
+	}
+
+	Method(_PSW, 1, NotSerialized)
+	{
+		if (Arg0) {
+			Store(6, FNKY) /* Fn key acts as wake button */
+			Store(1, WKFN)
+		} else {
+			Store(0, FNKY) /* Fn key normal operation */
+			Store(0, WKFN)
+		}
+	}
 }

src/mainboard/lenovo/x60/acpi/systemstatus.asl

@@ -0,0 +1,66 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2011 Sven Schnelle <svens@stackframe.org>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+
+Scope (\_SI)
+{
+	Method(_SST, 1, NotSerialized)
+	{
+		If (LEqual (Arg0, 0)) {
+			/* Indicator off */
+
+			/* power LED off */
+			\_SB.PCI0.LPC.EC.LED(0x00)
+			/* suspend LED off */
+			\_SB.PCI0.LPC.EC.LED(0x07)
+		}
+
+		If (LEqual (Arg0, 1)) {
+			/* working state */
+
+			/* power LED on */
+			\_SB.PCI0.LPC.EC.LED(0x80)
+			/* suspend LED off */
+			\_SB.PCI0.LPC.EC.LED(0x07)
+		}
+
+		If (LEqual (Arg0, 2)) {
+			/* waking state */
+
+			/* power LED om */
+			\_SB.PCI0.LPC.EC.LED(0x80)
+			/* suspend LED blinking */
+			\_SB.PCI0.LPC.EC.LED(0xc7)
+		}
+
+		If (LEqual (Arg0, 3)) {
+			/* sleep state */
+
+			/* power LED off */
+			\_SB.PCI0.LPC.EC.LED(0x00)
+			/* suspend LED on */
+			\_SB.PCI0.LPC.EC.LED(0x87)
+		}
+		
+		
+		
+	}
+}

src/mainboard/lenovo/x60/dsdt.asl

@@ -42,7 +42,8 @@ DefinitionBlock(
 
 	// Thermal Zone
 	#include "acpi/thermal.asl"
-
+	// System status indicators
+	#include "acpi/systemstatus.asl
 	Scope (\_SB) {
 		Device (PCI0)
 		{