diff options
Diffstat (limited to 'ReferenceCode/AcpiTables/Dsdt/Bat1Real.asl')
| -rw-r--r-- | ReferenceCode/AcpiTables/Dsdt/Bat1Real.asl | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/ReferenceCode/AcpiTables/Dsdt/Bat1Real.asl b/ReferenceCode/AcpiTables/Dsdt/Bat1Real.asl new file mode 100644 index 0000000..500d1d4 --- /dev/null +++ b/ReferenceCode/AcpiTables/Dsdt/Bat1Real.asl @@ -0,0 +1,198 @@ +/**************************************************************************; +;* *; +;* Intel Confidential *; +;* *; +;* Intel Corporation - ACPI Reference Code for the Haswell *; +;* Family of Customer Reference Boards. *; +;* *; +;* *; +;* Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved *; +;* This software and associated documentation (if any) is furnished *; +;* under a license and may only be used or copied in accordance *; +;* with the terms of the license. Except as permitted by such *; +;* license, no part of this software or documentation may be *; +;* reproduced, stored in a retrieval system, or transmitted in any *; +;* form or by any means without the express written consent of *; +;* Intel Corporation. *; +;* *; +;* *; +;**************************************************************************/ +/*++ + This file contains a 'Sample Driver' and is licensed as such + under the terms of your license agreement with Intel or your + vendor. This file may be modified by the user, subject to + the additional terms of the license agreement +--*/ + + +Scope(\) +{ + // these fields come from the Global NVS area + Field(GNVS,AnyAcc,Lock,Preserve) + { + Offset(30), // Battery Support Registers: + BNUM, 8, // (30) Battery Number Present + Offset(32), + B1SC, 8, // (32) Battery 1 Stored Capacity + Offset(35), + B1SS, 8, // (35) Battery 1 Stored Status + } +} + + // Define the Real Battery 1 Control Method. + + Device(BAT1) + { + Name(_HID,EISAID("PNP0C0A")) + + Name(_UID,1) + + Method(_STA,0) + { + If(And(BNUM,1)) // Battery 1 present? + { + Return(0x001F) // Yes. Show it. + } + + If(LLessEqual(OSYS,2002)) + { + Return(0x000A) // hide it for Win XP support + } + + Return(0x000B) // No. Hide it. + } + + Method(_BIF,0) + { + Name(BPKG, Package() { + 0x00000000, // Power Unit = mWh. + 0xFFFFFFFF, // Unknown Design Capacity. + 0xFFFFFFFF, // Unknown Last Full Charge. + 0x00000001, // Secondary Battery Technology. + 0xFFFFFFFF, // Unknown Design Voltage. + 0x00000000, // 10% Warning Level. + 0x00000000, // 4% Low Level. + 0x00000064, // 1% Granularity Level 1. + 0x00000000, // 1% Granularity Level 2. + "SR Real Battery", + "123456789", + "Real", + "Intel SR 1" + }) + + If (LAnd(LAnd(ECRD(RefOf(B1DV)),ECRD(RefOf(B1FC))),ECRD(RefOf(B1DC)))) + { + // Convert mAh and mV to mWh + Store(Divide(Multiply(ECRD(RefOf(B1DC)), ECRD(RefOf(B1DV))),1000), Index(BPKG,1)) + Store(Divide(Multiply(ECRD(RefOf(B1FC)), ECRD(RefOf(B1DV))),1000), Index(BPKG,2)) + Store(B1DV, Index(BPKG,4)) + Store(Divide(Multiply(ECRD(RefOf(B1FC)), ECRD(RefOf(B1DV))),10000), Index(BPKG,5)) + Store(Divide(Multiply(ECRD(RefOf(B1FC)), ECRD(RefOf(B1DV))),25000), Index(BPKG,6)) + Store(Divide(Multiply(ECRD(RefOf(B1DC)), ECRD(RefOf(B1DV))),100000), Index(BPKG,7)) + } + + Return (BPKG) + } + + Method(_BST,0, Serialized) + { + Name(PKG1,Package() { + 0xFFFFFFFF, // Battery State. + 0xFFFFFFFF, // Battery Present Rate. (in mWh) + 0xFFFFFFFF, // Battery Remaining Capacity. (in mWh) + 0xFFFFFFFF // Battery Present Voltage. (in mV) + }) + + // Optimization for EC Low Power Mode due to many EC accesses in this method + // Wake EC for whole _BST method + Store(Zero, Local1) + if (LGreaterEqual(OSYS, 2013)) { + if (LEqual(ECLP, 0x1)) { + Store (Acquire(\EHLD, 100), Local2) + if (LEqual(Local2, Zero)) { // check for Mutex acquired, if Mutex not acquired _BST could take longer than expected to execute + if (LEqual(\ECUP,Zero)) { + Store(One, Local1) + \_SB.WTGP(88,1) + Sleep(8) + Store(One, \ECUP) + \_SB.PCI0.LPCB.H_EC.ECMD (0x2D) // Notify EC of CS exit + } else { + Release(\EHLD) + } + } + } + } + + // Fix up the Battery Status. + Store(And(ECRD(RefOf(B1ST)), 0x07),Index(PKG1,0)) + If(And(ECRD(RefOf(B1ST)), 0x01)) + { + // Calculate discharge rate + // Return Rate in mW since we report _BIF data in mW + Store(Multiply(ECRD(RefOf(B1DI)), ECRD(RefOf(B1FV))), Local0) + Store(Divide(Local0, 1000), Local0) + Store(Local0, Index(PKG1,1)) + } + Else + { + // Calculate charge rate + // Return Rate in mW since we report _BIF data in mW + Store(Multiply(ECRD(RefOf(B1CI)), ECRD(RefOf(B1FV))), Local0) + Store(Divide(Local0, 1000), Local0) + Store(Local0, Index(PKG1,1)) + } + + // Calculate Remaining Capacity in mWh = + // (Remaininng Capacity (mAh) * Design Voltage (mV))/1000 + // Use Remaininng Capacity in mAh multiply with a fixed Design Voltage + // for Remaininng Capacity in mWh + Store(Divide(Multiply(ECRD(RefOf(B1RC)), ECRD(RefOf(B1DV))),1000),Index(PKG1,2)) + + // Report Battery Present Voltage (mV) + Store(ECRD(RefOf(B1FV)), Index(PKG1,3)) + + // Optimization for EC Low Power Mode due to many EC accesses in this method + // Put EC back into Low Power Mode + if (LGreaterEqual(OSYS, 2013)) { + if (LEqual(ECLP, 0x1)) { + if (LEqual(Local1, One)) { + \_SB.WTGP(88,0) + \_SB.PCI0.LPCB.H_EC.ECMD (0x2C) // Notify EC of CS entry + Store(Zero, \ECUP) + Release(\EHLD) + } + } + } + + Return(PKG1) + } + + Method(_BTP,1) + { + // arg0 = Trip Point, sent to EC as Threshold. + // transfer input value from mWh to % + If(LAnd(LNotEqual(ECRD(RefOf(B1FC)),0),LNotEqual(ECRD(RefOf(B1FV)),0))) + { + Store(Divide(Multiply(Arg0, 100), Divide(Multiply(ECRD(RefOf(B1FC)), ECRD(RefOf(B1FV))),1000)),Local0) + + // adjust offset between OS & EC + Add(Local0,1,Local0) + + // store TP value in EC name space offset 219 + Store(Local0, ECRD(RefOf(BTP1))) + + // Send EC Battery Threshold Update Command - 0x34 + ECMD(0x34) + } + + Return() + + } + // Return that everything runs off Battery. + + Method(_PCL,0) + { + Return(\_SB) + } + } + |