1 files changed, 104 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmPowerButton.c b/ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmPowerButton.c
new file mode 100644
index 0000000..e172808
--- /dev/null
+++ b/ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmPowerButton.c
@@ -0,0 +1,104 @@
+/** @file
+  File to contain all the hardware specific stuff for the Smm Power Button dispatch protocol.
+
+@copyright
+  Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains an 'Intel Peripheral Driver' and uniquely
+  identified as "Intel Reference Module" and is
+  licensed for Intel CPUs and chipsets under the terms of your
+  license agreement with Intel or your vendor.  This file may
+  be modified by the user, subject to additional terms of the
+  license agreement
+**/
+#include "Token.h"
+#include "PchSmmHelpers.h"
+
+const PCH_SMM_SOURCE_DESC POWER_BUTTON_SOURCE_DESC = {
+  PCH_SMM_SCI_EN_DEPENDENT,
+  {
+    {
+      {
+        ACPI_ADDR_TYPE,
+        R_PCH_ACPI_PM1_EN
+      },
+      S_PCH_ACPI_PM1_EN,
+      N_PCH_ACPI_PM1_EN_PWRBTN
+    },
+    NULL_BIT_DESC_INITIALIZER
+  },
+  {
+    {
+      {
+        ACPI_ADDR_TYPE,
+        R_PCH_ACPI_PM1_STS
+      },
+      S_PCH_ACPI_PM1_STS,
+      N_PCH_ACPI_PM1_STS_PWRBTN
+    }
+  }
+};
+
+/**
+  Get the power button status.
+
+  @param[in] Record               The pointer to the DATABASE_RECORD.
+  @param[out] Context             Calling context from the hardware, will be updated with the current power button status.
+
+  @retval None
+**/
+VOID
+EFIAPI
+PowerButtonGetContext (
+  IN  DATABASE_RECORD    *Record,
+  OUT PCH_SMM_CONTEXT    *Context
+  )
+{
+  UINT16  GenPmCon1;
+
+  GenPmCon1 = MmioRead16 (
+                MmPciAddress (0,
+                DEFAULT_PCI_BUS_NUMBER_PCH,
+                PCI_DEVICE_NUMBER_PCH_LPC,
+                PCI_FUNCTION_NUMBER_PCH_LPC,
+                R_PCH_LPC_GEN_PMCON_1)
+                );
+
+  if ((GenPmCon1 & B_PCH_LPC_GEN_PMCON_PWRBTN_LVL) != 0) {
+    Context->PowerButton.Phase = PowerButtonExit;
+  } else {
+    Context->PowerButton.Phase = PowerButtonEntry;
+  }
+
+// AMI_OVERRIDE, EIP145008, forced PowerButton.Phase as PowerButtonEntry.>>>
+#if defined FORCE_PWB_PHASE_AS_ENTRY && FORCE_PWB_PHASE_AS_ENTRY == 1
+  Context->PowerButton.Phase = PowerButtonEntry;
+#endif
+// AMI_OVERRIDE, EIP145008, forced PowerButton.Phase as PowerButtonEntry.<<<
+}
+
+/**
+  Check whether Power Button status of two contexts match
+
+  @param[in] Context1             Context 1 that includes Power Button status 1
+  @param[in] Context2             Context 2 that includes Power Button status 2
+
+  @retval FALSE                   Power Button status match
+  @retval TRUE                    Power Button status don't match
+**/
+BOOLEAN
+EFIAPI
+PowerButtonCmpContext (
+  IN PCH_SMM_CONTEXT     *Context1,
+  IN PCH_SMM_CONTEXT     *Context2
+  )
+{
+  return (BOOLEAN) (Context1->PowerButton.Phase == Context2->PowerButton.Phase);
+}