300 lines
6 KiB
C
300 lines
6 KiB
C
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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amdk6.h
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Author:
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Todd Carpenter (7/20/00) - create file
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Environment:
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Kernel mode
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Notes:
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Revision History:
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--*/
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#ifndef _AMDK6_H
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#define _AMDK6_H
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#include "..\lib\processor.h"
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#include "..\eventmsg.h"
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#include <pshpack1.h>
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#define AMDK6_GEMINI_CPUID_EPM 0x80000007
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#define AMDK6_GEMINI_EPMR_MSR 0xC0000086
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#define AMDK6_GEMINI_PSOR_MSR 0xC0000087
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//
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// The follow definitions are taken from information the
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// Gemini SMI API Specification, version 0.80
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//
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#define PLATFORM_AMDK6 0x6
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#define PLATFORM_AMDK7 0x7
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//
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// Function 0, Gemini State Change
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//
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#define IS_GEMINI_SUPPORTED 0x0000 // Function 0, Sub-function 0
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#define GET_GEMINI_STATES 0x0001 // Function 0, Sub-function 1
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#define GET_MAX_GEMINI_STATE 0x0002 // Function 0, Sub-function 2
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#define SET_MAX_GEMINI_STATE 0x0003 // Function 0, Sub-function 3
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#define GET_MIN_GEMINI_STATE 0x0004 // Function 0, Sub-function 4
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#define SET_MIN_GEMINI_STATE 0x0005 // Function 0, Sub-function 5
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#define GET_CURRENT_GEMINI_STATE 0x0006 // Function 0, Sub-function 6
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#define SET_CURRENT_GEMINI_STATE 0x0007 // Function 0, Sub-function 7
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//
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// Function 1, Gemini Thermal Control
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//
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#define GET_CURRENT_TALERT_MODES 0x0100 // Function 1, Sub-function 0
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#define GET_CURRENT_TALERT_SETTINGS 0x0101 // Function 1, Sub-function 1
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#define SET_TALERT_CONTROLS 0x0102 // Function 1, Sub-function 2
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#define GET_CURRENT_TPANIC_SETTINGS 0x0103 // Function 1, Sub-function 3
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#define SET_TPANIC_SETTINGS 0x0104 // Function 1, Sub-function 4
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#define GET_CURRENT_TEMPERATURE 0x0105 // Function 1, Sub-function 5
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//
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// Function 2, Gemini Connect/Disconnect
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//
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#define GEMINI_CONNECT 0x0200 // Function 2, Sub-function 0
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#define GEMINI_DISCONNECT 0x0201 // Function 2, Sub-function 1
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#define GBDT_SIGNATURE 0x54444247 // "GBDT"
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#define GBDT_SEARCH_RANGE_BEGIN 0xC0000
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#define GBDT_SEARCH_RANGE_END 0xFFFFF
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#define GBDT_SEARCH_RANGE_LENGTH (GBDT_SEARCH_RANGE_END-GBDT_SEARCH_RANGE_BEGIN+1)
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#define GBDT_SEARCH_INTERVAL 16 // search on 16 byte boundaries
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#define CONVERT_PERF_STATE_INDEX(_x_) ((LegacyInterface.GBDT->MaxStateSupported) - _x_)
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//
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// Gemini Processor Voltage and Frequency information
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//
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typedef struct _GEMINI_PROCESSOR_STATE {
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USHORT CpuVoltage; // format A.BCD
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USHORT CpuFrequency; // mhz
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UCHAR Vid; // VID[4:0]
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UCHAR Bf; // BF[2:0]
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} GEMINI_PROCESSOR_STATE, *PGEMINI_PROCESSOR_STATE;
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typedef struct _AVAILABLE_STATE_INFO {
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UCHAR Vid;
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UCHAR Bf;
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UCHAR State;
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UCHAR Reserved; // should be zero
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} AVAILABLE_STATE_INFO, *PAVAILABLE_STATE_INFO;
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//
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// Gemini BIOS Descriptor Table
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//
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typedef struct _GBDT {
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ULONG Signature; // "GBDT"
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UCHAR Length;
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UCHAR Revsion;
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UCHAR Checksum;
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UCHAR Capabilities;
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USHORT BusSpeed;
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USHORT MaxCpuSpeed;
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UCHAR MaxStateSupported; // Min state always = 0, Max state < 16
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UCHAR SmiCommandPortType; // defines type, IO or MEM, and access size
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ULONG SmiCommandPortAddress; // IO or MEM address
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ULONG GeminiSmiCode; // loaded in ESI before SMI call.
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GEMINI_PROCESSOR_STATE State[0]; // Processor performance states
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} GBDT, *PGBDT, **PPGBDT;
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//
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// Auto Performance Table
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//
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typedef struct _GEMINI_AUTO_PERF_TABLE {
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UCHAR CpuUtilizationThreshold;
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UCHAR GeminiThresholdTargeState;
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} GEMINI_AUTO_PERF_TABLE, *PGEMINI_AUTO_PERF_TABLE;
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//
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// Gemini Processor Voltage and Frequency information
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//
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typedef struct _LEGACY_GEMINI_SMI {
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ULONG SmiAccessType;
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ULONG SmiAccessSize;
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ULONG SmiAddress;
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ULONG GeminiCode;
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ULONG CurrentState;
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ULONG MaxSupportedStates;
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ULONG CurrentlyAvailableStates;
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ULONG EpmIoAddress;
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PGBDT GBDT;
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} LEGACY_GEMINI_SMI, *PLEGACY_GEMINI_SMI;
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typedef struct _LEGACY_GEMINI_PERF_STATE {
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ULONG Frequency; // in megahertz
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USHORT Power; // in milliwatts
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UCHAR PercentFrequency; // for quick lookup
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ULONG GeminiState;
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ULONG GeminiVID;
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ULONG GeminiBF;
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} LEGACY_GEMINI_PERF_STATE, *PLEGACY_GEMINI_PERF_STATE;
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typedef struct _LEGACY_GEMINI_PERF_STATES {
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PSET_PROCESSOR_THROTTLE TransitionFunction;
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ULONG TransitionLatency; // in milliseconds
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UCHAR Current;
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UCHAR Count;
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LEGACY_GEMINI_PERF_STATE State[1]; // sorted from fastest to slowest
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} LEGACY_GEMINI_PERF_STATES, *PLEGACY_GEMINI_PERF_STATES;
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//
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// bios.c
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//
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NTSTATUS
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FindGBDT (
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OUT PPGBDT GeminiInfo
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);
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NTSTATUS
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InitializeLegacyInterface (
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VOID
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);
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NTSTATUS
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IsGeminiSupported (
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PULONG Results
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);
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NTSTATUS
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GetAvailableStatesSmm (
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PULONG Results
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);
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NTSTATUS
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GetMaxStateSmm (
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PULONG Results
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);
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NTSTATUS
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SetMaxStateSmm (
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VOID
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);
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NTSTATUS
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GetMinStateSmm (
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PULONG Results
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);
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NTSTATUS
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SetMinStateSmm (
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VOID
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);
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NTSTATUS
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GetCurrentStateSmm (
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PULONG Results
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);
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NTSTATUS
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SetCurrentStateSmm (
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ULONG State
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);
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NTSTATUS
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ConnectDisconnectGeminiInterface (
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BOOLEAN Connect
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);
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NTSTATUS
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GetCpuFrequency (
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IN ULONG State,
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OUT PULONG CpuSpeed
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);
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NTSTATUS
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GetCpuVoltage (
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IN ULONG State,
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OUT PULONG Voltage
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);
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NTSTATUS
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GetLegacyMaxProcFrequency (
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OUT PULONG CpuSpeed
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);
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NTSTATUS
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ConvertVidBfValueToGeminiState (
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IN UCHAR VidBfValue,
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OUT PULONG State
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);
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//
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// amdk6msr.c
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//
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NTSTATUS
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GetCurrentCpuSpeedMSR (
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OUT PULONG CpuSpeed
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);
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NTSTATUS
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SetCurrentStateMSR (
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ULONG State
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);
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NTSTATUS
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ReadEpmInfo (
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OUT PULONG EpmInfo
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);
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NTSTATUS
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EnableGeminiTransitionsMSR (
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PULONG BaseAddress
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);
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VOID
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DisplayEPM (
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IN ULONG Epm
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);
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VOID
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DisplayEPMR (
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IN ULONG Epmr
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);
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VOID
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DisplayPSOR (
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IN ULONG Psor
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);
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#endif
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