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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2009, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/BIN/Modules/ACPI/Template/Core/MAX1617R.ASL 2 3/26/09 4:53p Oleksiyy $
//
// $Revision: 2 $
//
// $Date: 3/26/09 4:53p $
//**********************************************************************;
// Revision History
// ----------------
// $Log: /Alaska/BIN/Modules/ACPI/Template/Core/MAX1617R.ASL $
//
// 2 3/26/09 4:53p Oleksiyy
// New ACPI Core implementation - improves logic, execution time and
// memory usage of ACPI module.
//
// 1 3/24/05 5:01p Sivagarn
//
// 1 2/03/05 6:42p Sivagarn
// 0ABHI001 Check in
//
// 1 7/27/04 2:48p Yakovlevs
//
// 2 9/06/02 10:53a Alexp
// Add SourceSafe headers to all core asl files
//
//
//;**********************************************************************;
//**********************************************************************;
// ASL interface to MAX1617 thermal sensor over SMBus
// Remote sensor
//**********************************************************************;
// change max1617 trip point
/*
// Original TCHG method
Method(TCHG, 0) {
Store(RBYT(TSAD, 0x01), Local0) // Read remote Current temp
Add(Local0, 0x5, Local1) // Set Thigh T + 5.0 C
Subtract(Local0, 0x5, Local2) // Set Tlow T - 5.0 C
// Subtract(Local0, 0x2, Local2) // Set Tlow T - 2.0 C
Subtract(TMIN, 0x5, Local3) // Set Tlow TMIN - 5.0 C
// If(LGreater(Local2,Local3))
// {Store(Local3,Local2)}
STOS(Local1) // Set Thigh
STHY(Local2) // Set Tlow
// Clear ALARM bit
Notify(\_TZ.THRM, 0x81) // Notify of trip point change
}
*/
// Customized Method
Method(TCHG, 0) {
Store(RBYT(TSAD, 0x07), Local0) // remote high limit
Store(RBYT(TSAD, 0x08), Local1) // remote low limit
Store(RBYT(TSAD, 0x01), Local2) // remote current temp
RBYT(TSAD, 0x02) // Read status byte
if( LGreaterEqual(Local2,Local0) ) {
// High limit alert
if( LEqual(Local0, TMIN) ) {
// Set TMAX to high limit & TMIN-2 to low limit
STOS(TMAX) // Set Thigh to TMAX
Subtract(TMIN, 2, Local3)
STHY(Local3) // Set Tlow to TMIN-2
}
else {
if( LEqual(Local0, TMAX) ) {
// Set TCRT to high limit & TMAX-2 to low limit
STOS(TCRT) // Set Thigh to TCRT
Subtract(TMAX, 2, Local3)
STHY(Local3) // Set Tlow to TMAX-2
}
else {
if( LEqual(Local0, TCRT) ) {
// Notify OS to shutdown
// Set Extreeme high to high limit & TCRT-2 to low limit
STOS(0x7f) // Set Thigh to extreeme high (127C)
Subtract(TCRT, 2, Local3)
STHY(Local3) // Set Tlow to TCRT-2
}
// else {
// // This from init. set TMIN to high & Extreeme to low limit
// STOS(TMIN) // Set Thigh to TMIN
// STHY(0xc9) // Set Tlow to extreeme low (-55C)
// }
}
}
}
else {
if( LLessEqual(Local2, Local1) ) {
// Low limit alert
if( LLess(Local1, TMIN) ) {
// Set TMIN to high limit & Extreeme to low limit
STOS(TMIN) // Set Thigh to TMIN
STHY(0xc9) // Set Tlow to extreeme low (-55C)
}
else {
if( LLess(Local1, TMAX) ) {
// Set TMAX to high limit & TMIN-2 to low limit
STOS(TMAX) // Set Thigh to TMAX
Subtract(TMIN, 2, Local3)
STHY(Local3) // Set Tlow to TMIN-2
}
else {
if( LLess(Local1, TCRT) ) {
// Set TCRT to high limit & TMAX-2 to low limit
STOS(TCRT) // Set Thigh to TCRT
Subtract(TMAX, 2, Local3)
STHY(Local3) // Set Tlow to TMAX-2
}
// else {
// // This from init. set TMIN to high & Extreeme to low
// STOS(TMIN) // Set Thigh to TMIN
// STHY(0xc9) // Set Tlow to extreeme low (-55C)
// }
}
}
}
}
RBYT(TSAD, 0x02) // Read status byte after limit changes
RSBT(0x19, 0) // Receive Byte, Addr 0x18
Notify(\_TZ.THRM, 0x81) // Notify of trip point change
}
// Set configuration register #0x9
Method(SCFG, 1) {
// Arg0 = configuration byte
WBYT(TSAD, 0x09, Arg0)
}
// Read Status Byte
Method(RSTS, 0) {
// Arg0 = configuration byte
Return(RBYT(TSAD, 0x02))
}
// Set remote Thigh register #0x0d
Method(STOS, 1) {
// Arg0 = temperature low byte
// Set pointer register (occupy the command byte) to 0x0d
// Somehow max1617 wants to send out the MSB byte first !
WBYT(TSAD, 0x0d, Arg0)
}
// Set remote Tlow register #0x0e
Method(STHY, 1) {
// Arg0 = temperature low byte
// Set pointer register (occupy the command byte) to 0x0C
// Somehow max1617 wants to send out the MSB byte first !
WBYT(TSAD, 0x0e, Arg0)
}
// Read remote temperature register
Method(RTMP, 0) {
// Set pointer register (occupy the command byte) to 0x00
// DATW, DB00 and DB01 are defined as global buffer fields
Store(RBYT(TSAD, 0x01), Local0)
Store(Local0, DBG8)
If(Not(Local0)) // Read command completed
{
Return( Local0 )
}
Else // Read command failed
{
Store("_TMP Read ERROR", Debug)
Return(Add(TMIN, 2)) // MIN trip point + 2.0 C
}
} // Method(RTMP)
// MAX1617 Thermal interrupt handler
Method(THDL,0) {
//**********************************************************************;
// Clear ALARM bit
RSBT(0x19, 0) // Receive Byte, Addr 0x18
TCHG() // change Trip points
//**********************************************************************;
}
//**********************************************************************;
// *****************************************************************;
// *****************************************************************;
// ** **;
// ** (C)Copyright 1985-1996, American Megatrends, Inc. **;
// ** **;
// ** All Rights Reserved. **;
// ** **;
// ** 6145-F Northbelt Pkwy, Norcross, GA 30071 **;
// ** **;
// ** Phone (770)-246-8600 **;
// ** **;
// *****************************************************************;
// *****************************************************************;
//**********************************************************************;
// DON'T CHANGE ANY CODE UNLESS REQUIRED !!!
//**********************************************************************;
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