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76 lines
2.4 KiB
76 lines
2.4 KiB
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// Example #4 figure 0-1 thermal zone
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DefinitionBlock (
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examp4.aml, // Output Filename
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DSDT, // Signature
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0x10, // DSDT Revision
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OEM, // OEMID
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"examp 4", // TABLE ID
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0x1000 // OEM Revision
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)
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{
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Processor(
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\_PR.CPU0, // name space name
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1, // Unique number for this processor
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0x103,
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0x100
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) { }
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Scope(\_SB) {
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Device(EC0) {
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Name(_HID, String("PNPxxxx")) // id of acpi embedded ctrl
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Name(_CRS, // descrip for port 62 & 66
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Buffer{0x4B, 0x62, 0x00, 0x01, 0x4B, 0x66, 0x00, 0x01, 0x79, 0x00})
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Name(_GPE, Num(0)) // GPE index for this EC
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// define its region in the root
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OperationRegion (\EC0, EmbeddedControl, 0, 0xFF) {
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Field(\ECO, AccessAsAny, UseGlobalLock, Preserve) {
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"", 16, // Skip two bytes
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FAN, 1, // TRHM_FAN - fan on/off
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MODE, 1, // THRM_MOD - Policy setting
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"", 6, // Skip 6 bits
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STAT, 5 // THRM_STATE & THRM_VAL
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}
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}
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// Note embedded controller events occur in repsonse to a
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// query value returned by the embedded controller.
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Method (_Q34) { // embedded controller event for thermal
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Notify (\_TZ.THM1, Zero)
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}
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}
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}
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Scope(\_TZ) {
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PowerResource (PFAN, \_S0, 0) {
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Method(_STA) { Return (\EC0.FAN) }
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Method(_ON) { Store (One, \EC0.FAN) }
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Method(_OFF) { Store (Zero, \EC0.FAN) }
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}
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// create FAN-Device object
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Device (FAN) {
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Name(_PR0, Package{PFAN})
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}
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ThermalZone (THM1) {
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Method(_STA) {
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Store (\EC0.STAT, Local1)
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Return (
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Package(2) {
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ShiftRight (Local1, Num(2), Zero)
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And (Local1, Num(3), Zero)
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}
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)
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}
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Method(_SET, 1) { Store (Arg1, \ECO.MODE) }
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Name(_ACL, Package{FAN})
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Name(_PRL, Package{\_PR.CPU0})
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}
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}
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}
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