| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* Wake status package */ |
| Name(WKST,Package(){Zero, Zero}) |
| |
| /* |
| * \_PTS - Prepare to Sleep method |
| * |
| * Entry: |
| * Arg0=The value of the sleeping state S1=1, S2=2, etc |
| * |
| * Exit: |
| * -none- |
| * |
| * The _PTS control method is executed at the beginning of the sleep process |
| * for S1-S5. The sleeping value is passed to the _PTS control method. This |
| * control method may be executed a relatively long time before entering the |
| * sleep state and the OS may abort the operation without notification to |
| * the ACPI driver. This method cannot modify the configuration or power |
| * state of any device in the system. |
| */ |
| Method(\_PTS, 1) { |
| /* DBGO("\\_PTS\n") */ |
| /* DBGO("From S0 to S") */ |
| /* DBGO(Arg0) */ |
| /* DBGO("\n") */ |
| |
| /* Don't allow PCIRST# to reset USB */ |
| if (Arg0 == 3){ |
| URRE = 0 |
| } |
| |
| /* Clear sleep SMI status flag and enable sleep SMI trap. */ |
| /*CSSM = 1 |
| SSEN = 1*/ |
| |
| /* On older chips, clear PciExpWakeDisEn */ |
| /*if (\_SB.SBRI <= 0x13) { |
| * \_SB.PWDE = 0 |
| *} |
| */ |
| |
| /* Clear wake status structure. */ |
| WKST [0] = 0 |
| WKST [1] = 0 |
| } /* End Method(\_PTS) */ |
| |
| /* |
| * \_WAK System Wake method |
| * |
| * Entry: |
| * Arg0=The value of the sleeping state S1=1, S2=2 |
| * |
| * Exit: |
| * Return package of 2 DWords |
| * Dword 1 - Status |
| * 0x00000000 wake succeeded |
| * 0x00000001 Wake was signaled but failed due to lack of power |
| * 0x00000002 Wake was signaled but failed due to thermal condition |
| * Dword 2 - Power Supply state |
| * if non-zero the effective S-state the power supply entered |
| */ |
| Method(\_WAK, 1) { |
| /* DBGO("\\_WAK\n") */ |
| /* DBGO("From S") */ |
| /* DBGO(Arg0) */ |
| /* DBGO(" to S0\n") */ |
| |
| /* Re-enable HPET */ |
| HPDE = 1 |
| |
| /* Restore PCIRST# so it resets USB */ |
| if (Arg0 == 3){ |
| URRE = 1 |
| } |
| |
| /* Arbitrarily clear PciExpWakeStatus */ |
| Local1 = PWST |
| PWST = Local1 |
| |
| /* if (DeRefOf(WKST [0])) { |
| * WKST [1] = 0 |
| * } else { |
| * WKST [1] = Arg0 |
| * } |
| */ |
| Return(WKST) |
| } /* End Method(\_WAK) */ |