-/*
- * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-#ifdef KERNEL_PRIVATE
-#ifndef _I386_PMCPU_H_
-#define _I386_PMCPU_H_
-
-#include <kern/pms.h>
-
-#ifndef ASSEMBLER
-
-typedef enum { C1, C2, C3, C4, Hlt, C3Res, All, Cnum } pm_Cstate_t;
-typedef struct pmStats {
- uint64_t pmNapCnt[Cnum]; /* Total nap calls for states */
- uint64_t pmNapTime[Cnum]; /* Total nap time for states */
- uint64_t pmNapC2HPET; /* Total nap time for C2 using HPET for stats */
- uint64_t pmNapC4HPET; /* Total nap time for C4 using HPET for stats */
- uint64_t pmNapHPETPops; /* Number of times we detect HPET popping */
- uint64_t pmHPETRupt; /* Number of HPET interruptions */
- uint32_t pmCurC3Res; /* Current value of the C3 residency timer */
- uint32_t pmLastApic; /* Last value of apic timer */
- uint32_t pmNewApic; /* New value of apic timer */
- uint64_t pmHpetTim; /* Time to next interrupt in HPET ticks */
- uint64_t pmHpetCmp; /* HPET comparator */
- uint64_t pmHpetCfg; /* HPET configuration */
- uint64_t pmLSNs; /* (TEST) Last set nanotime */
- uint64_t pmLLHpet; /* (TEST) Last loaded HPET */
-} pmStats_t;
-
-#define MAX_PSTATES 32 /* architectural limit */
-
-typedef enum { Cn1, Cn2, Cn3, Cn4, Cnmax } Cstate_number_t;
-typedef struct {
- Cstate_number_t number;
- uint32_t hint;
-} Cstate_hint_t;
-
-
-struct pmData {
- uint8_t pad[93];
-};
-typedef struct pmData pmData_t;
-
-#define pmNapHalt 0x00000010
-#define pmNapC1 0x00000008
-#define pmNapC2 0x00000004
-#define pmNapC3 0x00000002
-#define pmNapC4 0x00000001
-#define pmNapMask 0x000000FF
-
-#define cfgAdr 0xCF8
-#define cfgDat 0xCFC
-#define lpcCfg (0x80000000 | (0 << 16) | (31 << 11) | (0 << 8))
-
-/*
- * Dispatch table for functions that get installed when the power
- * management KEXT loads.
- */
-typedef struct
-{
- /*
- * The following are the stepper table interfaces.
- */
- void (*pmsCPUMachineInit)(void);
- void (*pmsCPUInit)(void);
- void (*pmsCPUSet)(uint32_t sel);
- void (*pmsCPUConf)(void);
- void (*pmsCPURun)(uint32_t nstep);
- uint32_t (*pmsCPUQuery)(void);
- uint32_t (*pmsCPUPackageQuery)(void);
- void (*pmsCPUYellowFlag)(void);
- void (*pmsCPUGreenFlag)(void);
- kern_return_t (*pmsCPULoadVIDTable)(uint16_t *tablep, int nstates);
- kern_return_t (*pmsCPUSetPStateLimit)(uint32_t limit);
-
- /*
- * The following are the 'C' State interfaces.
- */
- void (*cstateInit)(void);
- void (*cstateMachineIdle)(uint32_t napCtl);
- kern_return_t (*cstateTableSet)(Cstate_hint_t *tablep, unsigned int nstates);
- uint32_t (*cstateNapPolicy)(uint32_t forcenap, uint32_t napCtl);
-} pmDispatch_t;
-
-typedef struct {
- uint32_t PState;
- uint32_t PLimit;
- uint16_t VIDTable[MAX_PSTATES];
- uint32_t VIDTableCount;
- Cstate_hint_t CStates[Cnmax];
- uint32_t CStatesCount;
-} pmInitState_t;
-
-typedef struct {
- void (*Park)(void);
- void (*Run)(uint32_t nstep);
- void (*RunLocal)(uint32_t nstep);
- void (*SetStep)(uint32_t nstep, int dir);
- void (*NapPolicy)(void);
- kern_return_t (*Build)(pmsDef *pd, uint32_t pdsize, pmsSetFunc_t *functab, uint32_t platformData, pmsQueryFunc_t queryFunc);
- pmStats_t *(*Stats)(void);
- pmsd *(*StepperData)(void);
- uint64_t *(*HPETAddr)(void);
- pmInitState_t *InitState;
- void (*resetPop)(void);
-} pmCallBacks_t;
-
-extern pmDispatch_t *pmDispatch;
-
-extern uint32_t maxBusDelay;
-extern uint32_t C4C2SnoopDelay;
-extern uint32_t forcenap;
-
-void power_management_init(void);
-void machine_nap_policy(void);
-kern_return_t Cstate_table_set(Cstate_hint_t *tablep, unsigned int nstates);
-void machine_idle_cstate(void);
-void pmRegister(pmDispatch_t *cpuFuncs, pmCallBacks_t *callbacks);
-void pmUnRegister(pmDispatch_t *cpuFuncs);
-
-#endif /* ASSEMBLER */
-#endif /* _I386_PMCPU_H_ */
-#endif /* KERNEL_PRIVATE */
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