diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuLowPwrPstate.h')
-rwxr-xr-x | src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuLowPwrPstate.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuLowPwrPstate.h b/src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuLowPwrPstate.h new file mode 100755 index 0000000000..1457403da7 --- /dev/null +++ b/src/vendorcode/amd/agesa/f12/Proc/CPU/Feature/cpuLowPwrPstate.h @@ -0,0 +1,129 @@ +/* $NoKeywords:$ */ +/** + * @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: 49029 $ @e \$Date: 2011-03-16 09:55:06 +0800 (Wed, 16 Mar 2011) $ + * + */ +/* + ****************************************************************************** + * + * 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] 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 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_ |