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Diffstat (limited to 'ReferenceCode/AcpiTables/Dsdt/Bat0Virt.asl')
| -rw-r--r-- | ReferenceCode/AcpiTables/Dsdt/Bat0Virt.asl | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/ReferenceCode/AcpiTables/Dsdt/Bat0Virt.asl b/ReferenceCode/AcpiTables/Dsdt/Bat0Virt.asl new file mode 100644 index 0000000..a87232c --- /dev/null +++ b/ReferenceCode/AcpiTables/Dsdt/Bat0Virt.asl @@ -0,0 +1,322 @@ +/**************************************************************************; +;* *; +;* Intel Confidential *; +;* *; +;* Intel Corporation - ACPI Reference Code for the Haswell *; +;* Family of Customer Reference Boards. *; +;* *; +;* *; +;* Copyright (c) 1999 - 2013 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(31), + B0SC, 8, // (31) Battery 0 Stored Capacity + Offset(34), + B0SS, 8, // (34) Battery 0 Stored Status + } +} + + +Method(_Q53) +{ + P8XH(0,0x53) // show query number on Port 80 + VBSE() // Virtual Battery Switch Event, remove if not needed. +} + + +// Virtual Battery Switch Event: +// This method handles the Virtual Battery switch on the CRB. +// +// Arguments: +// None +// +// Return Value: +// None +Method(VBSE,0,Serialized) // called from EC.asl +{ + // Check for Virtual Battery Mode. If the CRB is + // running on real batteries, skip this whole section. + + If(LEqual(BNUM,0)) + { + // Check that the current and NVS Power States + // are different. The 2 may be out of sync due to + // Virtual Battery hot-key support. + + If(LNotEqual(ECRD(RefOf(VPWR)),PWRS)) + { + // Update NVS Power State. + + Store(ECRD(RefOf(VPWR)),PWRS) + + + // Perform needed ACPI Notifications. + + PNOT() + } + } +} + + +// +// called from EC.asl _Q52 method +// +// Virtual Battery Hot Keys: +// This method passes the hot key scan code to the BTTM method. +// +// Arguments: +// None +// +// Return Value: +// None +Method(VBHK,0,Serialized) +{ + // 1/! Scan Code = 0x02 + + Store(ECRD(RefOf(SCAN)), Local0) + + If(LEqual(Local0,0x02)) // Battery = 10%. + { + BTTM(10) + } + + // 2/@ Scan Code = 0x03 + + If(LEqual(Local0,0x03)) // Battery = 20%. + { + BTTM(20) + } + + // 3/# Scan Code = 0x04 + + If(LEqual(Local0,0x04)) // Battery = 30%. + { + BTTM(30) + } + + // 4/$ Scan Code = 0x05 + + If(LEqual(Local0,0x05)) // Battery = 40%. + { + BTTM(40) + } + + // 5/% Scan Code = 0x06 + + If(LEqual(Local0,0x06)) // Battery = 50%. + { + BTTM(50) + } + + // 6/^ Scan Code = 0x07 + + If(LEqual(Local0,0x07)) // Battery = 60%. + { + BTTM(60) + } + + // 7/& Scan Code = 0x08 + + If(LEqual(Local0,0x08)) // Battery = 70%. + { + BTTM(70) + } + + // 8/* Scan Code = 0x09 + + If(LEqual(Local0,0x09)) // Battery = 80%. + { + BTTM(80) + } + + // 9/( Scan Code = 0x0A + + If(LEqual(Local0,0x0A)) // Battery = 90%. + { + BTTM(90) + } + + // 0/) Scan Code = 0x0B + + If(LEqual(Local0,0x0B)) // Battery = 100%. + { + BTTM(100) + } + + // _/- Scan Code = 0x0C + + If(LEqual(Local0,0x0C)) // Battery = Battery - 2%. + { + If(LGreaterEqual(B0SC,2)) + { + BTTM(Subtract(B0SC,2)) + } + } + + // +/= Scan Code = 0x0D + + If(LEqual(Local0,0x0D)) // Battery = Battery + 2%. + { + If(LLessEqual(B0SC,98)) + { + BTTM(Add(B0SC,2)) + } + } + + // F5 Scan Code = 0x3F + + If(LEqual(Local0,0x3F)) // Virtual Power State Change. + { + // Check for Virtual Battery Mode. If the CRB is + // running on real batteries, skip this whole section. + + If(LEqual(BNUM,0)) + { + // Toggle the Virtual Power State. + Xor(PWRS,1,PWRS) + + + // Perform needed ACPI Notifications. + PNOT() + } + } +} + + +// Battery Test Method: +// This method updates the Virtual Battery percentages and +// notifies the OS of these changes. +// +// Arguments: +// Arg0: The desired Virtual Battery Percentage. +// +// Return Value: +// None + +Method(BTTM,1,Serialized) +{ + If(PWRS) + { + If(LGreaterEqual(Arg0,B0SC)) + { + Store(Arg0,B0SC) + Notify(BAT0,0x80) + } + } + Else + { + If(LLessEqual(Arg0,B0SC)) + { + Store(Arg0,B0SC) + Notify(BAT0,0x80) + } + } +} + + // Define the Virtual Battery 0 Control Method. + + Device(BAT0) + { + Name(_HID,EISAID("PNP0C0A")) + + Name(_UID,0) + + Method(_STA,0) + { + If(LOr(LOr(LEqual(BID,BHB), LEqual(BID,BFS2)), LOr(LEqual(BID,BFS3), LEqual(BID,BFS4)))) //BoardIdHarrisBeachFfrd, BoardIdFfrdSku2, BoardIdFfrdSku3, BoardIdFfrdSku4 + { + Return(0x0000) // Yes. Hide Virtual. + } + If(LEqual(BID,BRH)) // BoardIdReedHarborTdv + { + Return(0x0000) // Yes. Hide it. + } + + If(And(BNUM,3)) // Battery 1 or 2 present? + { + If(LLessEqual(OSYS,2002)) + { + Return(0x000A) // Yes. Hide Virtual for Win XP + } + + Return(0x000B) // Yes. Hide Virtual. + } + + Return(0x001F) // No. Show Virtual. + } + + Method(_BIF,0) + { + Return(Package() { + 0x00000000, // Power Unit = mWh. + 0x00002710, // 10000 mWh Design Capacity. + 0x00002710, // 10000 mWh Last Full Charge. + 0x00000001, // Secondary Battery Technology. + 0xFFFFFFFF, // Unknown Design Voltage. + 0x000003E8, // 10% Warning Level. + 0x00000190, // 4% Low Level. + 0x00000064, // 1% Granularity Level 1. + 0x00000064, // 1% Granularity Level 2. + "CRB Battery 0", + "Battery 0", + "Fake", + "-Virtual Battery 0-"}) + } + + Method(_BST,0) + { + Name(PKG0,Package() { + 0xFFFFFFFF, // Battery State. + 0xFFFFFFFF, // Battery Present Rate. + 0xFFFFFFFF, // Battery Remaining Capacity. + 0xFFFFFFFF // Battery Present Voltage. + }) + + // Virtual AC/Battery Check. + + If(PWRS) + { + // Return Charging. + + Store(2,Index(PKG0,0)) + } + Else + { + // Return Discharging. + + Store(1,Index(PKG0,0)) + } + Store(0x7FFFFFFF,Index(PKG0,1)) + Store(Multiply(B0SC,100),Index(PKG0,2)) + Return(PKG0) + } + + // Return that everything runs off Battery. + + Method(_PCL,0) + { + Return(\_SB) + } + } + |