| /* 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) |
| { |
| #if CONFIG(D3COLD_SUPPORT) |
| Return (0x04) |
| #else |
| Return (0x03) |
| #endif // D3COLD_SUPPORT |
| } |
| |
| /* |
| * Get power resources that are dependent on this device for Operating System Power Management |
| * to put the device in the D0 device state |
| */ |
| Method (_PR0) |
| { |
| #if CONFIG(D3COLD_SUPPORT) |
| If (DUID == 0) { |
| Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 }) |
| } Else { |
| Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 }) |
| } |
| #else |
| If (DUID == 0) { |
| Return (Package() { \_SB.PCI0.TBT0 }) |
| } Else { |
| Return (Package() { \_SB.PCI0.TBT1 }) |
| } |
| #endif // D3COLD_SUPPORT |
| } |
| |
| Method (_PR3) |
| { |
| #if CONFIG(D3COLD_SUPPORT) |
| If (DUID == 0) { |
| Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT0 }) |
| } Else { |
| Return (Package() { \_SB.PCI0.D3C, \_SB.PCI0.TBT1 }) |
| } |
| #else |
| If (DUID == 0) { |
| Return (Package() { \_SB.PCI0.TBT0 }) |
| } Else { |
| Return (Package() { \_SB.PCI0.TBT1 }) |
| } |
| #endif // D3COLD_SUPPORT |
| } |
| |
| /* |
| * RTD3 Exit Method to bring TBT controller out of RTD3 mode. |
| */ |
| Method (D3CX, 0, Serialized) |
| { |
| DD3E = 0x00 /* Disable DMA RTD3 */ |
| STAT = 0x01 |
| } |
| |
| /* |
| * RTD3 Entry method to enable TBT controller RTD3 mode. |
| */ |
| Method (D3CE, 0, Serialized) |
| { |
| DD3E = 0x01 /* Enable DMA RTD3 */ |
| STAT = 0x00 |
| } |
| |
| /* |
| * 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 }) |
| } |