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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
*
* 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 mainboard must define a PNOT method to handle power
* state notifications and Notify CPU device objects to
* re-evaluate their _PPC and _CST tables.
*/
Device (EC0)
{
Name (_HID, EISAID ("PNP0C09"))
Name (_UID, 1)
Name (_GPE, EC_GPE) // GPE for Runtime SCI
OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff)
Field (ERAM, ByteAcc, Lock, Preserve)
{
Offset (0x80),
BTEX, 1, // Battery Exists
, 1,
ACEX, 1, // AC Exists
, 5,
Offset (0x83),
LIDS, 1, // Lid Switch State
, 7,
BTST, 8, // Battery State
Offset (0xA2),
BTRA, 16, // Battery Remaining Capacity
BTPR, 16, // Battery Present Rate
BTVO, 16, // Battery Present Voltage
Offset (0xB0),
BTDA, 16, // Battery Design Capacity
BTDF, 16, // Battery Last Full Charge Capacity
BTDV, 16, // Battery Design Voltage
BTDL, 16, // Battery Design Low
Offset (0xC0),
CPUT, 8, // CPU Temperature
Offset (0xCA),
FSL0, 1, // Fan Speed Level 0
FSL1, 1, // Fan Speed Level 1
FSL2, 1, // Fan Speed Level 2
FSL3, 1, // Fan Speed Level 3
FSL4, 1, // Fan Speed Level 4
, 2,
FCOS, 1, // Fan Speed OS Control
}
Method (_CRS, 0, Serialized)
{
Name (ECMD, ResourceTemplate()
{
IO (Decode16, 0x62, 0x62, 0, 1)
IO (Decode16, 0x66, 0x66, 0, 1)
})
Return (ECMD)
}
Method (_REG, 2, NotSerialized)
{
// Initialize AC power state
Store (ACEX, \PWRS)
// Initialize LID switch state
Store (LIDS, \LIDS)
// Enable OS control of fan speed
Store (One, FCOS)
// Force a read of CPU temperature
Store (CPUT, Local0)
/* So that we don't get a warning that Local0 is unused. */
Increment (Local0)
}
PowerResource (FNP0, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 0)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
If (FCOS) {
Store (One, FSL0)
Store (0, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
Method (_OFF) {
If (FCOS) {
Store (Zero, FSL0)
Store (1, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
}
PowerResource (FNP1, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 1)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
If (FCOS) {
Store (One, FSL1)
Store (1, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
Method (_OFF) {
If (FCOS) {
Store (Zero, FSL1)
Store (2, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
}
PowerResource (FNP2, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 2)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
If (FCOS) {
Store (One, FSL2)
Store (2, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
Method (_OFF) {
If (FCOS) {
Store (Zero, FSL2)
Store (3, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
}
PowerResource (FNP3, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 3)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
If (FCOS) {
Store (One, FSL3)
Store (3, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
Method (_OFF) {
If (FCOS) {
Store (Zero, FSL3)
Store (4, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
}
PowerResource (FNP4, 0, 0)
{
Method (_STA) {
If (LLessEqual (\FLVL, 4)) {
Return (One)
} Else {
Return (Zero)
}
}
Method (_ON) {
If (FCOS) {
Store (One, FSL4)
Store (4, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
Method (_OFF) {
If (FCOS) {
Store (Zero, FSL4)
Store (5, \FLVL)
Notify (\_TZ.THRM, 0x81)
}
}
}
Device (FAN0)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 0)
Name (_PR0, Package () { FNP0 })
}
Device (FAN1)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 1)
Name (_PR0, Package () { FNP1 })
}
Device (FAN2)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 2)
Name (_PR0, Package () { FNP2 })
}
Device (FAN3)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 3)
Name (_PR0, Package () { FNP3 })
}
Device (FAN4)
{
Name (_HID, EISAID ("PNP0C0B"))
Name (_UID, 4)
Name (_PR0, Package () { FNP4 })
}
// AC Power Connected
Method (_Q51, 0, NotSerialized)
{
Store (One, \PWRS)
Notify (AC, 0x80)
\PNOT ()
}
// AC Power Removed
Method (_Q52, 0, NotSerialized)
{
Store (Zero, \PWRS)
Notify (AC, 0x80)
\PNOT ()
}
// Battery State Change
Method (_Q53, 0, NotSerialized)
{
Notify (BAT0, 0x80)
Notify (BAT0, 0x81)
}
// Battery State Change
Method (_Q54, 0, NotSerialized)
{
Notify (BAT0, 0x80)
Notify (BAT0, 0x81)
}
// Power State Change
Method (_Q55, 0, NotSerialized)
{
\PNOT ()
}
// Lid Switch Event
Method (_Q5E, 0, NotSerialized)
{
Store (LIDS, \LIDS)
Notify (\_SB.LID0, 0x80)
}
// Lid Switch Event
Method (_Q5F, 0, NotSerialized)
{
Store (LIDS, \LIDS)
Notify (\_SB.LID0, 0x80)
}
#include "ac.asl"
#include "battery.asl"
}
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