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Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/CPU/Feature/cpuC6State.h')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/CPU/Feature/cpuC6State.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/CPU/Feature/cpuC6State.h b/src/vendorcode/amd/agesa/f10/Proc/CPU/Feature/cpuC6State.h new file mode 100755 index 0000000000..cbaf3ad8dc --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/CPU/Feature/cpuC6State.h @@ -0,0 +1,198 @@ +/** + * @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_ |