--- /dev/null
+/*
+ * 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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