/** * @file * * AMD AGESA CPU C6 Functions declarations. * * Contains code that declares the AGESA CPU C6 related APIs * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: CPU/Feature * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 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_C6_STATE_H_ #define _CPU_C6_STATE_H_ /*---------------------------------------------------------------------------------------- * M I X E D (Definitions And Macros / Typedefs, Structures, Enums) *---------------------------------------------------------------------------------------- */ // Forward declaration. typedef struct _C6_FAMILY_SERVICES C6_FAMILY_SERVICES; /*---------------------------------------------------------------------------------------- * D E F I N I T I O N S A N D M A C R O S *---------------------------------------------------------------------------------------- */ // Defines for CST ACPI Objects #define CST_NAME__ '_' #define CST_NAME_C 'C' #define CST_NAME_S 'S' #define CST_NAME_T 'T' #define CST_LENGTH (CST_BODY_SIZE - 1) #define CST_NUM_OF_ELEMENTS 0x02 #define CST_COUNT 0x01 #define CST_PKG_LENGTH (CST_BODY_SIZE - 5) // CST_BODY_SIZE - PkgHeader - Count Buffer #define CST_PKG_ELEMENTS 0x04 #define CST_SUBPKG_LENGTH 0x14 #define CST_SUBPKG_ELEMENTS 0x0A #define CST_GDR_LENGTH 0x000C #define CST_C2_TYPE 0x02 /*---------------------------------------------------------------------------------------- * T Y P E D E F S A N D S T R U C T U R E S *---------------------------------------------------------------------------------------- */ /* AML code definition */ /// CST Header typedef struct _CST_HEADER_STRUCT { UINT8 NameOpcode; ///< Name Opcode UINT8 CstName_a__; ///< String "_" UINT8 CstName_a_C; ///< String "C" UINT8 CstName_a_S; ///< String "S" UINT8 CstName_a_T; ///< String "T" } CST_HEADER_STRUCT; #define CST_HEADER_SIZE 5 /// CST Body typedef struct _CST_BODY_STRUCT { UINT8 PkgOpcode; ///< Package Opcode UINT8 PkgLength; ///< Package Length UINT8 PkgElements; ///< Number of Elements UINT8 Count; ///< Number of Cstate info packages UINT8 PkgOpcode2; ///< Package Opcode UINT8 PkgLength2; ///< Package Length UINT8 PkgElements2; ///< Number of Elements UINT8 BufferOpcode; ///< Buffer Opcode UINT8 BufferLength; ///< Buffer Length UINT8 BufferElements; ///< Number of Elements UINT8 BufferOpcode2; ///< Buffer Opcode UINT8 GdrOpcode; ///< Generic Register Descriptor Opcode UINT16 GdrLength; ///< Descriptor Length UINT8 AddrSpaceId; ///< Address Space ID UINT8 RegBitWidth; ///< Register Bit Width UINT8 RegBitOffset; ///< Register Bit Offset UINT8 AddressSize; ///< Address Size UINT64 RegisterAddr; ///< Register Address UINT16 EndTag; ///< End Tag Descriptor UINT8 BytePrefix; ///< Byte Prefix Opcode UINT8 Type; ///< Type UINT8 BytePrefix2; ///< Byte Prefix Opcode UINT8 Latency; ///< Latency UINT8 Power; ///< Power } CST_BODY_STRUCT; #define CST_BODY_SIZE 33 /*---------------------------------------------------------------------------------------*/ /** * Family specific call to check if C6 is supported. * * @param[in] C6Services C6 C-state services. * @param[in] Socket Zero-based socket number. * @param[in] StdHeader Config Handle for library, services. * * @retval TRUE C6 is supported. * @retval FALSE C6 is not supported. * */ typedef BOOLEAN F_C6_IS_SUPPORTED ( IN C6_FAMILY_SERVICES *C6Services, IN UINT32 Socket, IN AMD_CONFIG_PARAMS *StdHeader ); /// Reference to a Method. typedef F_C6_IS_SUPPORTED *PF_C6_IS_SUPPORTED; /*---------------------------------------------------------------------------------------*/ /** * Family specific call to enable C6. * * @param[in] C6Services C6 services. * @param[in] EntryPoint Timepoint designator. * @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_C6_INIT ( IN C6_FAMILY_SERVICES *C6Services, IN UINT64 EntryPoint, IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ); typedef UINT32 F_C6_GET_CST_SIZE ( IN VOID ); typedef VOID F_C6_CREATE_CST ( IN OUT VOID **PstateAcpiBufferPtr, IN AMD_CONFIG_PARAMS *StdHeader ); /// Reference to a Method. typedef F_C6_INIT *PF_C6_INIT; typedef F_C6_GET_CST_SIZE *PF_C6_GET_CST_SIZE; typedef F_C6_CREATE_CST *PF_C6_CREATE_CST; /** * Provide the interface to the C6 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 _C6_FAMILY_SERVICES { UINT16 Revision; ///< Interface version // Public Methods. PF_C6_IS_SUPPORTED IsC6Supported; ///< Method: Family specific call to check if C6 is supported. PF_C6_INIT InitializeC6; ///< Method: Family specific call to enable C6. PF_C6_GET_CST_SIZE GetAcpiCstObj; ///< Method: Family specific call to return the size of ACPI CST objects. PF_C6_CREATE_CST CreateAcpiCstObj; ///< Method: Family specific call to create ACPI CST object }; /*---------------------------------------------------------------------------------------- * F U N C T I O N S P R O T O T Y P E *---------------------------------------------------------------------------------------- */ #endif // _CPU_C6_STATE_H_