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/* SPDX-License-Identifier: GPL-2.0-or-later */
OperationRegion (DPME, SystemMemory, BASE(_ADR), 0x100)
Field (DPME, AnyAcc, NoLock, Preserve)
{
VDID, 32,
Offset(0x84), /* 0x84, DMA CFG PM CAP */
PMST, 2, /* 1:0, PM_STATE */
, 6,
PMEE, 1, /* 8, PME_EN */
, 6,
PMES, 1, /* 15, PME_STATUS */
Offset(0xC8), /* 0xC8, TBT NVM FW Revision */
, 30,
IF30, 1, /* ITBT FW Version Bit30 */
INFR, 1, /* TBT NVM FW Ready */
Offset(0xEC), /* 0xEC, TBT TO PCIE Register */
TB2P, 32, /* TBT to PCIe */
P2TB, 32, /* PCIe to TBT */
Offset(0xFC), /* 0xFC, DMA RTD3 Force Power */
DD3E, 1, /* 0:0 DMA RTD3 Enable */
DFPE, 1, /* 1:1 DMA Force Power */
, 22,
DMAD, 8 /* 31:24 DMA Active Delay */
}
Name (STAT, 0x1) /* Variable to save power state 1 - D0, 0 - D3C */
Method (_S0W, 0x0)
{
Return (0x4)
}
Method (_PR0)
{
If (DUID == 0) {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 })
} Else {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 })
}
}
Method (_PR3)
{
If (DUID == 0) {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 })
} Else {
Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 })
}
}
/*
* RTD3 Exit Method to bring TBT controller out of RTD3 mode.
*/
Method (D3CX, 0, Serialized)
{
DD3E = 0 /* Disable DMA RTD3 */
STAT = 0x1
}
/*
* RTD3 Entry method to enable TBT controller RTD3 mode.
*/
Method (D3CE, 0, Serialized)
{
DD3E = 1 /* Enable DMA RTD3 */
STAT = 0
}
/*
* Variable to skip TCSS/TBT D3 cold; 1+: Skip D3CE, 0 - Enable D3CE
* TCSS D3 Cold and TBT RTD3 is only available when system power state is in S0.
*/
Name (SD3C, 0)
Method (_DSW, 3)
{
/* If entering Sx (Arg1 > 1), need to skip TCSS D3Cold & TBT RTD3/D3Cold. */
SD3C = Arg1
}
Method (_PRW, 0)
{
Return (Package() { 0x6D, 4 })
}
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