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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011-2012 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.
*/
External (\_PR.CP00._PPC, IntObj)
Device (EC0)
{
Name (_HID, EISAID ("PNP0C09"))
Name (_UID, 1)
Name (_GPE, Add(EC_SCI_GPI, 16)) // GPE for Runtime SCI
OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff)
Field (ERAM, ByteAcc, Lock, Preserve)
{
// EC Name Space Configuration
Offset(0x40),
BDC0, 16, // Batt Design Capacity ; 40h, 41h
BDV0, 16, // Batt Design Voltage ; 42h, 43h
BFC0, 16, // Batt Last Full Charge Capacity ; 44h, 45h
BPC0, 16, // Batt Current ; 46h, 47h
BRC0, 16, // Batt Remaining Capacity ; 48h, 49h
BPV0, 16, // Batt Present Voltage ; 4Ah, 4Bh
BCG0, 16, // Batt Charge current ; 4Ch, 4Dh
BACV, 16, // Batt Charging Voltage ; 4Eh, 4Fh
BTM0, 16, // Batt Battery Temp ; 50h, 51h
BSN0, 16, // Batt Serial Number ; 52h, 53h
BPCT, 16, // Batt Percentage of full charge ; 54h, 55h
BSSB, 16, // BATT Battery Status SMB ; 56h, 57h
CYC0, 16, // Batt Cycle Counter ; 58h, 59h
BMD0, 16, // Manufacture Date ; 5Ah, 5Bh
// Batt Day ; BIT[4:0] (Day)
// Batt Month ; BIT[9:5] (Month)
// Batt Year ; BIT[15:10] (Year)
Offset(0x60),
BCHM, 32, // Battery Chemistry ; 60h - 64h
BATD, 56, // Battery Device name ; 64h - 6Ah
Offset(0x70),
ADPT, 1, // AC Adapter Status for OS ; 70h.0
ADPN, 1, // AC Adapter H/W status ; 70h.1
BTIN, 1, // Battery Present ; 70h.2
BTBD, 1, // Battery Malfunction ; 70h.3
ACMD, 1, // ACPI Mode ; 70h.4
, 1, // Reserved ; 70h.5
SSBS, 1, // 1=Standard BIOS, 0=Coreboot ; 70h.6
PSTH, 1, // Passive Thermal Policy ; 70h.7
BST0, 8, // Battery Status ; 71h
// Bit0 : Discharging
// Bit1 : Charging
// Bit2 : Discharging and Critical Low
// Bit3-7 : Reserved
LIDF, 1, // Lid is open ; 72h.0
GPRC, 1, // Recovery GPI Status ; 72h.1
, 6, // Reserved ; 72h.2-7
TPLD, 1, // TouchPad LED Activation ; 73h.0
TPST, 1, // Touchpad LED Status ; 73h.1
, 6, // Reserved ; 73h.2-7
Offset(0x78),
CTMP, 8, // Current CPU Temperature ; 78h
SKTB, 8, // GPU Temperature ; 79h
LTM1, 8, // Local Temp 1 ; 7Ah
LTM2, 8, // Local Temp 2 ; 7Bh
FTCH, 16, // Fan Tachometer value ; 7Ch - 7Dh
FDBG, 16, // Fan Debug - Override Fan Tach value ; 7Eh - 7Fh
, 1, // Reserved ; 80h.0
KBID, 1, // 0=EN KBD, 1=JP KBD ; 80h.1
, 6, // Reserved ; 80h.2-7
NPST, 8, // Number of P-State level ; 81h
MPST, 8, // Maxumum P-State ; 82h
KWAK, 1, // Keyboard WAKE(0=Disable,1=Enable) ; 83h.0
TWAK, 1, // TouchPad WAKE(0=Disable,1=Enable) ; 83h.1
, 1, // Reserved ; 83h.2
LWAK, 1, // LAN Wake Enable (0=Disable, 1=Enable); 83h.3
RWAK, 1, // RTC Wake Enable(0=DIsable,1=Enable) ; 83h.4
, 3, // Reserved ; 83h.5-7
KBEV, 1, // Keyboard Wake Event ; 84h.0
TPEV, 1, // TouchPad Wake Event ; 84h.1
LDEV, 1, // Lid Wake Event ; 84h.2
, 4, // Reserved ; 84h.3-6
PBEV, 1, // Power Button Wake Event ; 84h.7
ECCD, 8, // EC Code State ; 85h
ROFW, 8, // RO FW Reason ID ; 86h
Offset(0xBA),
FWVR, 48, // EC Firmware Version ; BAh-BFh
Offset(0xC0),
SMPR, 8, // SMBus protocol register ; C0h
SMST, 8, // SMBus status register ; C1h
SMAD, 8, // SMBus address register ; C2h
SMCM, 8, // SMBus command register ; C3h
SMD0, 0x100, // SMBus data regs (32) ; C4h - E3h
BCNT, 8, // SMBus Block Count ; E4h
}
Method (_CRS, 0, Serialized)
{
Name (ECMD, ResourceTemplate()
{
IO (Decode16, 0x62, 0x62, 0, 1)
IO (Decode16, 0x66, 0x66, 0, 1)
})
Return (ECMD)
}
Method(_STA)
{
Return(0x0F)
}
Method (_REG, 2, NotSerialized)
{
// Initialize AC power state
Store (ADPT, \PWRS)
// Initialize LID switch state
Store (LIDF, \LIDS)
// Force a read of CPU temperature
Store (CTMP, Local0)
// Use Local0 to avoid iasl warning: Method Local is set but never used
And(Local0, Ones, Local0)
// Find and program number of P-States
Store (SizeOf (\_PR.CP00._PSS), MPST)
Store ("Programming number of P-states: ", Debug)
Store (MPST, Debug)
// Find and program the current P-State
Store(\_PR.CP00._PPC, NPST)
Store ("Programming Current P-state: ", Debug)
Store (NPST, Debug)
}
/*
* EC Query Responses
*
* Lid Status Change 06h
* Wifi Button Event (F12) 07h
* TZ Event Update CPU Temp 08h
* CPU P-State Down 0Eh
* CPU P-State UP 0Fh
* AC plug in 10h
* AC removed 11h
* Battery Plugged in 12h
* Battery Removed 13h
* Battery State Change 14h
*/
// Wifi Button Event
Method (_Q07)
{
Store ("Wifi Button Event 0x07", Debug)
}
// Thermal Event
Method (_Q08)
{
Store ("Thermal Event 0x08", Debug)
Notify(\_TZ.THRM, 0x80)
}
// Pstate Down
Method (_Q0E)
{
Store ("Pstate Event 0x0E", Debug)
Store(\_PR.CP00._PPC, Local0)
Subtract(PPCM, 0x01, Local1)
If(LLess(Local0, Local1)) {
Increment(Local0)
\PPCN ()
}
Store(Local0, NPST)
}
// Pstate Up
Method (_Q0F)
{
Store ("Pstate Event 0x0F", Debug)
Store(\_PR.CP00._PPC, Local0)
If(Local0) {
Decrement(Local0)
\PPCN ()
}
Store(Local0, NPST)
}
// AC Power Connected
Method (_Q10, 0, NotSerialized)
{
Store ("AC Insertion Event 0x10", Debug)
Store (One, \PWRS)
Notify (AC, 0x80)
Notify (BATX, 0x80)
\PNOT ()
}
// AC Power Removed
Method (_Q11, 0, NotSerialized)
{
Store ("AC Detach Event 0x11", Debug)
Store (Zero, \PWRS)
Notify (AC, 0x80)
Notify (BATX, 0x80)
\PNOT ()
}
// Battery State Change - Attach Event
Method (_Q12, 0, NotSerialized)
{
Store ("Battery Insertion Event 0x12", Debug)
Notify (BATX, 0x81)
Notify (BATX, 0x80)
\PNOT ()
}
// Battery State Change - Detach Event
Method (_Q13, 0, NotSerialized)
{
Store ("Battery Detach Event 0x13", Debug)
Notify (BATX, 0x81)
Notify (BATX, 0x80)
\PNOT ()
}
// Battery State Change Event
Method (_Q14, 0, NotSerialized)
{
Store ("Battery State Change Event 0x14", Debug)
Notify (BATX, 0x80)
}
// Lid Switch Event
Method (_Q06)
{
Store ("Lid Switch Event 0x06", Debug)
sleep(20)
Store (LIDF, \LIDS)
Notify (\_SB.LID0, 0x80)
}
#include "ac.asl"
#include "battery.asl"
}
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