| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD AGESA CPU IO Cstate feature support code. |
| * |
| * Contains code that declares the AGESA CPU IO Cstate related APIs |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU/Feature |
| * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 02:16:51 -0700 (Wed, 22 Dec 2010) $ |
| */ |
| /* |
| ****************************************************************************** |
| * |
| * Copyright (C) 2012 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_IO_CSTATE_H_ |
| #define _CPU_IO_CSTATE_H_ |
| |
| /*---------------------------------------------------------------------------------------- |
| * M I X E D (Definitions And Macros / Typedefs, Structures, Enums) |
| *---------------------------------------------------------------------------------------- |
| */ |
| // Forward declaration needed for multi-structure mutual references |
| AGESA_FORWARD_DECLARATION (IO_CSTATE_FAMILY_SERVICES); |
| |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| // Defines for ACPI C-State 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 - 6) // 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_C1_TYPE 0x01 |
| #define CST_C2_TYPE 0x02 |
| |
| #define CSD_NAME_D 'D' |
| #define CSD_COORD_TYPE_HW_ALL 0xFE |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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 BytePrefix; ///< Byte Prefix Opcode |
| 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 BytePrefix2; ///< Byte Prefix Opcode |
| UINT8 Type; ///< Type |
| UINT8 WordPrefix; ///< Word Prefix Opcode |
| UINT16 Latency; ///< Latency |
| UINT8 DWordPrefix; ///< Dword Prefix Opcode |
| UINT32 Power; ///< Power |
| } CST_BODY_STRUCT; |
| #define CST_BODY_SIZE 39 |
| |
| /// CSD Header |
| typedef struct _CSD_HEADER_STRUCT { |
| UINT8 NameOpcode; ///< Name Opcode |
| UINT8 CsdName_a__; ///< String "_" |
| UINT8 CsdName_a_C; ///< String "C" |
| UINT8 CsdName_a_S; ///< String "S" |
| UINT8 CsdName_a_D; ///< String "D" |
| } CSD_HEADER_STRUCT; |
| #define CSD_HEADER_SIZE 5 |
| |
| /// CSD Body |
| typedef struct _CSD_BODY_STRUCT { |
| UINT8 PkgOpcode; ///< Package Opcode |
| UINT8 PkgLength; ///< Package Length |
| UINT8 PkgElements; ///< Number of Elements |
| UINT8 PkgOpcode2; ///< Package Opcode |
| UINT8 PkgLength2; ///< Package Length |
| UINT8 PkgElements2; ///< Number of Elements |
| UINT8 BytePrefix; ///< Byte Prefix Opcode |
| UINT8 NumEntries; ///< Number of Entries |
| UINT8 BytePrefix2; ///< Byte Prefix Opcode |
| UINT8 Revision; ///< Revision |
| UINT8 DWordPrefix; ///< DWord Prefix Opcode |
| UINT32 Domain; ///< Dependency Domain Number |
| UINT8 DWordPrefix2; ///< DWord Prefix Opcode |
| UINT32 CoordType; ///< Coordination Type |
| UINT8 DWordPrefix3; ///< Dword Prefix Opcode |
| UINT32 NumProcessors; ///< Number of Processors in the Domain |
| UINT8 DWordPrefix4; ///< Dword Prefix Opcode |
| UINT32 Index; ///< Index of C-State entry for which dependency applies |
| } CSD_BODY_STRUCT; |
| #define CSD_BODY_SIZE 30 |
| |
| /// input for create _CST |
| typedef struct _ACPI_CST_CREATE_INPUT { |
| IO_CSTATE_FAMILY_SERVICES *IoCstateServices; ///< Family service of IoCstate |
| UINT8 LocalApicId; ///< Local Apic for create _CST |
| VOID **PstateAcpiBufferPtr; ///< buffer for fill _CST |
| } ACPI_CST_CREATE_INPUT ; |
| |
| /// input for get _CST |
| typedef struct _ACPI_CST_GET_INPUT { |
| IO_CSTATE_FAMILY_SERVICES *IoCstateServices; ///< Family service of IoCstate |
| PLATFORM_CONFIGURATION *PlatformConfig; ///< platform config |
| UINT32 *CStateAcpiObjSizePtr; ///< Point to size of _CST |
| } ACPI_CST_GET_INPUT ; |
| |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family specific call to check if IO Cstate is supported. |
| * |
| * @param[in] IoCstateServices IO Cstate services. |
| * @param[in] Socket Zero-based socket number. |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @retval TRUE IO Cstate is supported. |
| * @retval FALSE IO Cstate is not supported. |
| * |
| */ |
| typedef BOOLEAN F_IO_CSTATE_IS_SUPPORTED ( |
| IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, |
| IN UINT32 Socket, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family specific call to enable IO Cstate. |
| * |
| * @param[in] IoCstateServices IO Cstate 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_IO_CSTATE_INIT ( |
| IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, |
| IN UINT64 EntryPoint, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family specific call to return the size of ACPI C-State Objects |
| * |
| * @param[in] IoCstateServices IO Cstate services. |
| * @param[in] PlatformConfig Contains the runtime modifiable feature input data |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @retval Size of ACPI C-State Objects |
| * |
| */ |
| typedef UINT32 F_IO_CSTATE_GET_CST_SIZE ( |
| IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family specific call to create ACPI C-State Objects |
| * |
| * @param[in] IoCstateServices IO Cstate services. |
| * @param[in] LocalApicId Local Apic Id |
| * @param[in, out] PstateAcpiBufferPtr Pointer to Pstate data buffer |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| */ |
| typedef VOID F_IO_CSTATE_CREATE_CST ( |
| IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, |
| IN UINT8 LocalApicId, |
| IN OUT VOID **PstateAcpiBufferPtr, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Family specific call to check whether CSD object should be created. |
| * |
| * @param[in] IoCstateServices IO Cstate services. |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @retval TRUE CSD Object should be created. |
| * @retval FALSE CSD Object should not be created. |
| * |
| */ |
| typedef BOOLEAN F_IO_CSTATE_IS_CSD_GENERATED ( |
| IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /// Reference to a Method |
| typedef F_IO_CSTATE_IS_SUPPORTED *PF_IO_CSTATE_IS_SUPPORTED; |
| typedef F_IO_CSTATE_INIT *PF_IO_CSTATE_INIT; |
| typedef F_IO_CSTATE_GET_CST_SIZE *PF_IO_CSTATE_GET_CST_SIZE; |
| typedef F_IO_CSTATE_CREATE_CST *PF_IO_CSTATE_CREATE_CST; |
| typedef F_IO_CSTATE_IS_CSD_GENERATED *PF_IO_CSTATE_IS_CSD_GENERATED; |
| |
| /** |
| * Provide the interface to the IO Cstate 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 _IO_CSTATE_FAMILY_SERVICES { |
| UINT16 Revision; ///< Interface version |
| // Public Methods. |
| PF_IO_CSTATE_IS_SUPPORTED IsIoCstateSupported; ///< Method: Family specific call to check if IO Cstate is supported. |
| PF_IO_CSTATE_INIT InitializeIoCstate; ///< Method: Family specific call to enable IO Cstate |
| PF_IO_CSTATE_GET_CST_SIZE GetAcpiCstObj; ///< Method: Family specific call to return the size of ACPI CST objects. |
| PF_IO_CSTATE_CREATE_CST CreateAcpiCstObj; ///< Method: Family specific call to create ACPI CST object |
| PF_IO_CSTATE_IS_CSD_GENERATED IsCsdObjGenerated; ///< Method: Family specific call to check whether CSD Object should be created. |
| }; |
| |
| #endif // _CPU_IO_CSTATE_H_ |
