-/**@file\r
+/** @file\r
+ Power management support fucntions implementation for PCI Bus module.\r
\r
-Copyright (c) 2006, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+Copyright (c) 2006 - 2009, Intel Corporation\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
\r
-**/\r
-\r
-#include "pcibus.h"\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
-EFI_STATUS\r
-ResetPowerManagementFeature (\r
- IN PCI_IO_DEVICE *PciIoDevice\r
- )\r
-/*++\r
+**/\r
\r
-Routine Description:\r
+#include "PciBus.h"\r
\r
+/**\r
This function is intended to turn off PWE assertion and\r
put the device to D0 state if the device supports\r
PCI Power Management.\r
\r
-Arguments:\r
+ @param PciIoDevice PCI device instance.\r
\r
-Returns:\r
- \r
- None\r
+ @retval EFI_UNSUPPORTED PCI Device does not support power management.\r
+ @retval EFI_SUCCESS Turned off PWE successfully.\r
\r
---*/\r
-// TODO: PciIoDevice - add argument and description to function comment\r
-// TODO: EFI_UNSUPPORTED - add return value to function comment\r
-// TODO: EFI_SUCCESS - add return value to function comment\r
+**/\r
+EFI_STATUS\r
+ResetPowerManagementFeature (\r
+ IN PCI_IO_DEVICE *PciIoDevice\r
+ )\r
{\r
EFI_STATUS Status;\r
UINT8 PowerManagementRegBlock;\r
- UINT16 PMCSR;\r
+ UINT16 PowerManagementCSR;\r
\r
PowerManagementRegBlock = 0;\r
\r
//\r
// Turn off the PWE assertion and put the device into D0 State\r
//\r
- PMCSR = 0x8000;\r
+ PowerManagementCSR = 0x8000;\r
\r
//\r
// Write PMCSR\r
//\r
- PciIoWrite (\r
- &PciIoDevice->PciIo,\r
- EfiPciIoWidthUint16,\r
- PowerManagementRegBlock + 4,\r
- 1,\r
- &PMCSR\r
- );\r
+ PciIoDevice->PciIo.Pci.Write (\r
+ &PciIoDevice->PciIo,\r
+ EfiPciIoWidthUint16,\r
+ PowerManagementRegBlock + 4,\r
+ 1,\r
+ &PowerManagementCSR\r
+ );\r
\r
return EFI_SUCCESS;\r
}\r
+\r