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76 lines
2.6 KiB
76 lines
2.6 KiB
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// Example #1 for table 0-3 - IDE 0 & 1 are controlled through general IO
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// space with only one FET
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DefinitionBlock (
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examp1.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 1", // TABLE ID
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0x1000 // OEM Revision
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)
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{
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OperationRegion (\GIO, SystemIO, 0x125, 0x1) {
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Field (\GIO, AccessAsByte, NoLock, Preserve) {
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IDEI, 1, // IDEISO_EN - isolation buffer
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IDEP, 1, // IDE_PWR_EN - power
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IDER, 1 // IDERST#_EN - reset#
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}
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}
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Scope(\_SB) {
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Device(PCI0) {
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Name(_HID, String("PNP0A03")) // pci id
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Name(_BNB, Num(0))
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PowerResource(PIDE, \_S0, 0) {
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Method(_STA) {
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Return (Xor (\GIO.IDEI, One, Zero)) // inverse of isolation
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}
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Method(_ON) {
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Store (One, \GIO.IDEP) // assert power
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Sleep (10) // wait 10ms
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Store (One, \GIO.IDER) // de-assert reset#
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Stall (10) // wait 10us
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Store (Zero, \GIO.IDEI) // de-assert isolation
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}
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Method(_OFF) {
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Store (One, \GIO.IDEI) // assert isolation
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Store (Zero, \GIO.IDER) // assert reset#
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Store (Zero, \GIO.IDEP) // de-assert power
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}
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}
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Device (IDE0) { // primary controller
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Name(_ADR, Num(0)) // put device/function id here
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// define region for IDE mode register
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OperationRegion (PCIC, PCI_Config, 0x50, 0x10) { }
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Field (PCIC, AccessAsAny, NoLock, Preserve) {
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IDMM, 3,
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IDMS, 3
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}
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Device(MSTR) { // master channel
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Name(_ADR, Num(0))
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Name(_PR0, Package{PIDE})
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Method (_SMD, 1) {
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Store (Arg1, IDMM)
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}
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}
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Device(SLAV) {
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Name(_ADR, Num(1))
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Name(_PR0, Package{PIDE})
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Method (_SMD, 1) {
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Store (Arg1, IDMS)
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}
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}
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}
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}
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}
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}
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