projects / mirror_edk2.git / blame
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|---|---|---|
| 3cbfba02 DW |
1 | /*++\r |
| 2 | \r | |
| 3 | Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | \r\r | |
| 5 | This program and the accompanying materials are licensed and made available under\r\r | |
| 6 | the terms and conditions of the BSD License that accompanies this distribution. \r\r | |
| 7 | The full text of the license may be found at \r\r | |
| 8 | http://opensource.org/licenses/bsd-license.php. \r\r | |
| 9 | \r\r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r | |
| 12 | \r\r | |
| 13 | \r | |
| 14 | \r | |
| 15 | \r | |
| 16 | Module Name:\r | |
| 17 | \r | |
| 18 | EnhancedSpeedstep.h\r | |
| 19 | \r | |
| 20 | Abstract:\r | |
| 21 | \r | |
| 22 | Enhanced Speedstep protocol\r | |
| 23 | \r | |
| 24 | The Enhanced Speedstep Protocol support.\r | |
| 25 | \r | |
| 26 | **/\r | |
| 27 | \r | |
| 28 | #ifndef _ENHANCED_SPEEDSTEP_H_\r | |
| 29 | #define _ENHANCED_SPEEDSTEP_H_\r | |
| 30 | \r | |
| 31 | #define ENHANCED_SPEEDSTEP_PROTOCOL_GUID \\r | |
| 32 | { \\r | |
| 33 | 0x91a1ddcf, 0x5374, 0x4939, 0x89, 0x51, 0xd7, 0x29, 0x3f, 0x1a, 0x78, 0x6f \\r | |
| 34 | }\r | |
| 35 | \r | |
| 36 | typedef struct _ENHANCED_SPEEDSTEP_PROTOCOL ENHANCED_SPEEDSTEP_PROTOCOL;\r | |
| 37 | \r | |
| 38 | typedef struct {\r | |
| 39 | UINT8 Version; // EIST State format\r | |
| 40 | UINT8 Size; // Size of element\r | |
| 41 | UINT32 RatioStep; // Step\r | |
| 42 | UINT32 MinRatio; // Calculated min ratio\r | |
| 43 | UINT32 MaxRatio; // Calculated max ratio\r | |
| 44 | UINT32 MinCoreFreq; // Calculated min freq\r | |
| 45 | UINT32 MaxCoreFreq; // Calculated max freq\r | |
| 46 | UINT32 MinPower; // Calculated min power\r | |
| 47 | UINT32 MaxPower; // Calculated max power\r | |
| 48 | UINT32 NumStates; // Number of states\r | |
| 49 | } EIST_INFORMATION;\r | |
| 50 | \r | |
| 51 | typedef struct {\r | |
| 52 | UINT32 CoreFrequency;\r | |
| 53 | UINT32 Power;\r | |
| 54 | UINT32 TransitionLatency;\r | |
| 55 | UINT32 BusMasterLatency;\r | |
| 56 | UINT32 Control;\r | |
| 57 | UINT32 Status;\r | |
| 58 | } EFI_ACPI_CPU_PSS_STATE;\r | |
| 59 | \r | |
| 60 | typedef\r | |
| 61 | EFI_STATUS\r | |
| 62 | (EFIAPI *GET_EIST_TABLE) (\r | |
| 63 | IN ENHANCED_SPEEDSTEP_PROTOCOL *This,\r | |
| 64 | OUT EIST_INFORMATION **EistInformation,\r | |
| 65 | OUT VOID **PssStates\r | |
| 66 | );\r | |
| 67 | \r | |
| 68 | struct _ENHANCED_SPEEDSTEP_PROTOCOL {\r | |
| 69 | UINT32 ProcApicId;\r | |
| 70 | GET_EIST_TABLE GetEistTable;\r | |
| 71 | };\r | |
| 72 | \r | |
| 73 | //\r | |
| 74 | // There will be an instance of this protocol for every processor\r | |
| 75 | // in the system. ProcNumber is used to manage all the different\r | |
| 76 | // processors in the system and passed into the MP protocol\r | |
| 77 | // to run code streams on application processors\r | |
| 78 | //\r | |
| 79 | extern EFI_GUID gEnhancedSpeedstepProtocolGuid;\r | |
| 80 | \r | |
| 81 | #endif\r |