| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD AGESA CPU create low power P-state for PROCHOT_L throttling Functions declarations. |
| * |
| * Contains code that declares the AGESA CPU low power P-state related APIs |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU/Feature |
| * @e \$Revision: 36567 $ @e \$Date: 2010-08-21 02:35:15 +0800 (Sat, 21 Aug 2010) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2011, Advanced Micro Devices, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * *************************************************************************** |
| * |
| */ |
| |
| #ifndef _CPU_LOW_PWR_PSTATE_H_ |
| #define _CPU_LOW_PWR_PSTATE_H_ |
| |
| /*---------------------------------------------------------------------------------------- |
| * M I X E D (Definitions And Macros / Typedefs, Structures, Enums) |
| *---------------------------------------------------------------------------------------- |
| */ |
| // Forward declaration needed for multi-structure mutual references |
| AGESA_FORWARD_DECLARATION (LOW_PWR_PSTATE_FAMILY_SERVICES); |
| |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * T Y P E D E F S A N D S T R U C T U R E S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family specific call to check if Low Power P-state is supported. |
| * |
| * @param[in] LowPwrPstateService Low Power P-state services. |
| * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| * @param[in] Socket Zero-based socket number. |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @retval TRUE Low Power P-state is supported. |
| * @retval FALSE Low Power P-state is not supported. |
| * |
| */ |
| typedef BOOLEAN F_LOW_PWR_PSTATE_IS_SUPPORTED ( |
| IN LOW_PWR_PSTATE_FAMILY_SERVICES *LowPwrPstateService, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN UINT32 Socket, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /// Reference to a Method. |
| typedef F_LOW_PWR_PSTATE_IS_SUPPORTED *PF_LOW_PWR_PSTATE_IS_SUPPORTED; |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family specific call to enable Low Power P-state |
| * |
| * @param[in] LowPwrPstateService Low Power P-state services. |
| * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| * @param[in] EntryPoint Timepoint designator. |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @return Family specific error value. |
| * |
| */ |
| typedef AGESA_STATUS F_LOW_PWR_PSTATE_INIT ( |
| IN LOW_PWR_PSTATE_FAMILY_SERVICES *LowPwrPstateService, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN UINT64 EntryPoint, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /// Reference to a Method. |
| typedef F_LOW_PWR_PSTATE_INIT *PF_LOW_PWR_PSTATE_INIT; |
| |
| /** |
| * Provide the interface to the Low Power P-state Family Specific Services. |
| * |
| * Use the methods or data in this struct to adapt the feature code to a specific cpu family or model (or stepping!). |
| * Each supported Family must provide an implementation for all methods in this interface, even if the |
| * implementation is a CommonReturn(). |
| */ |
| struct _LOW_PWR_PSTATE_FAMILY_SERVICES { |
| UINT16 Revision; ///< Interface version |
| // Public Methods. |
| PF_LOW_PWR_PSTATE_IS_SUPPORTED IsLowPwrPstateSupported; ///< Method: Family specific call to check if Low Power P-state is supported. |
| PF_LOW_PWR_PSTATE_INIT EnableLowPwrPstate; ///< Method: Family specific call to enable Low Power P-state. |
| }; |
| |
| |
| /*---------------------------------------------------------------------------------------- |
| * F U N C T I O N S P R O T O T Y P E |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| #endif // _CPU_LOW_PWR_PSTATE_H_ |