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/* SPDX-License-Identifier: GPL-2.0-only */
//BTDC Due to IMC Fan, ACPI control codes
OperationRegion(IMIO, SystemIO, 0x3E, 0x02)
Field(IMIO , ByteAcc, NoLock, Preserve) {
IMCX,8,
IMCA,8
}
IndexField(IMCX, IMCA, ByteAcc, NoLock, Preserve) {
Offset(0x80),
MSTI, 8,
MITS, 8,
MRG0, 8,
MRG1, 8,
MRG2, 8,
MRG3, 8,
}
Method(WACK, 0)
{
Local0 = 0
While (Local0 != 0xfa) {
Local0 = MRG0
Sleep(10)
}
}
//Init
Method (ITZE, 0)
{
MRG0 = 0
MRG1 = 0xb5
MRG2 = 0
MSTI = 0x96
WACK()
MRG0 = 0
MRG1 = 0
MRG2 = 0
MSTI = 0x80
WACK()
Local0 = MRG2 | 0x01
MRG0 = 0
MRG1 = 0
MRG2 = Local0
MSTI = 0x81
WACK()
}
//Sleep
Method (IMSP, 0)
{
MRG0 = 0
MRG1 = 0xb5
MRG2 = 0
MSTI = 0x96
WACK()
MRG0 = 0
MRG1 = 1
MRG2 = 0
MSTI = 0x98
WACK()
MRG0 = 0
MRG1 = 0xb4
MRG2 = 0
MSTI = 0x96
WACK()
}
//Wake
Method (IMWK, 0)
{
MRG0 = 0
MRG1 = 0xb5
MRG2 = 0
MSTI = 0x96
WACK()
MRG0 = 0
MRG1 = 0
MRG2 = 0
MSTI = 0x80
WACK()
Local0 = MRG2 | 0x01
MRG0 = 0
MRG1 = 0
MRG2 = Local0
MSTI = 0x81
WACK()
}
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