projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3cbfba02 DW |
1 | /*++\r |
| 2 | \r | |
| 3 | Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | \r\r | |
| 9dc8036d MK |
5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 6 | \r | |
| 3cbfba02 DW |
7 | \r\r |
| 8 | \r | |
| 9 | \r | |
| 10 | \r | |
| 11 | Module Name:\r | |
| 12 | \r | |
| 13 | EnhancedSpeedstep.h\r | |
| 14 | \r | |
| 15 | Abstract:\r | |
| 16 | \r | |
| 17 | Enhanced Speedstep protocol\r | |
| 18 | \r | |
| 19 | The Enhanced Speedstep Protocol support.\r | |
| 20 | \r | |
| 21 | **/\r | |
| 22 | \r | |
| 23 | #ifndef _ENHANCED_SPEEDSTEP_H_\r | |
| 24 | #define _ENHANCED_SPEEDSTEP_H_\r | |
| 25 | \r | |
| 26 | #define ENHANCED_SPEEDSTEP_PROTOCOL_GUID \\r | |
| 27 | { \\r | |
| 28 | 0x91a1ddcf, 0x5374, 0x4939, 0x89, 0x51, 0xd7, 0x29, 0x3f, 0x1a, 0x78, 0x6f \\r | |
| 29 | }\r | |
| 30 | \r | |
| 31 | typedef struct _ENHANCED_SPEEDSTEP_PROTOCOL ENHANCED_SPEEDSTEP_PROTOCOL;\r | |
| 32 | \r | |
| 33 | typedef struct {\r | |
| 34 | UINT8 Version; // EIST State format\r | |
| 35 | UINT8 Size; // Size of element\r | |
| 36 | UINT32 RatioStep; // Step\r | |
| 37 | UINT32 MinRatio; // Calculated min ratio\r | |
| 38 | UINT32 MaxRatio; // Calculated max ratio\r | |
| 39 | UINT32 MinCoreFreq; // Calculated min freq\r | |
| 40 | UINT32 MaxCoreFreq; // Calculated max freq\r | |
| 41 | UINT32 MinPower; // Calculated min power\r | |
| 42 | UINT32 MaxPower; // Calculated max power\r | |
| 43 | UINT32 NumStates; // Number of states\r | |
| 44 | } EIST_INFORMATION;\r | |
| 45 | \r | |
| 46 | typedef struct {\r | |
| 47 | UINT32 CoreFrequency;\r | |
| 48 | UINT32 Power;\r | |
| 49 | UINT32 TransitionLatency;\r | |
| 50 | UINT32 BusMasterLatency;\r | |
| 51 | UINT32 Control;\r | |
| 52 | UINT32 Status;\r | |
| 53 | } EFI_ACPI_CPU_PSS_STATE;\r | |
| 54 | \r | |
| 55 | typedef\r | |
| 56 | EFI_STATUS\r | |
| 57 | (EFIAPI *GET_EIST_TABLE) (\r | |
| 58 | IN ENHANCED_SPEEDSTEP_PROTOCOL *This,\r | |
| 59 | OUT EIST_INFORMATION **EistInformation,\r | |
| 60 | OUT VOID **PssStates\r | |
| 61 | );\r | |
| 62 | \r | |
| 63 | struct _ENHANCED_SPEEDSTEP_PROTOCOL {\r | |
| 64 | UINT32 ProcApicId;\r | |
| 65 | GET_EIST_TABLE GetEistTable;\r | |
| 66 | };\r | |
| 67 | \r | |
| 68 | //\r | |
| 69 | // There will be an instance of this protocol for every processor\r | |
| 70 | // in the system. ProcNumber is used to manage all the different\r | |
| 71 | // processors in the system and passed into the MP protocol\r | |
| 72 | // to run code streams on application processors\r | |
| 73 | //\r | |
| 74 | extern EFI_GUID gEnhancedSpeedstepProtocolGuid;\r | |
| 75 | \r | |
| 76 | #endif\r |