+++ /dev/null
-/*
- * Copyright (c) 2004-2005 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 _KERN_PMS_H_
-#define _KERN_PMS_H_
-
-#define pmsMaxStates 64
-#define HalfwayToForever 0x7FFFFFFFFFFFFFFFULL
-#define century 790560000000000ULL
-
-typedef void (*pmsSetFunc_t)(uint32_t, uint32_t, uint32_t); /* Function used to set hardware power state */
-typedef uint32_t (*pmsQueryFunc_t)(uint32_t, uint32_t); /* Function used to query hardware power state */
-
-typedef struct pmsStat {
- uint64_t stTime[2]; /* Total time until switch to next step */
- uint32_t stCnt[2]; /* Number of times switched to next step */
-} pmsStat;
-
-typedef struct pmsDef {
- uint64_t pmsLimit; /* Max time in this state in microseconds */
- uint32_t pmsStepID; /* Unique ID for this step */
- uint32_t pmsSetCmd; /* Command to select power state */
-#define pmsCngXClk 0x80000000 /* Change external clock */
-#define pmsXUnk 0x7F /* External clock unknown */
-#define pmsXClk 0x7F000000 /* External clock frequency */
-#define pmsCngCPU 0x00800000 /* Change CPU parameters */
-#define pmsSync 0x00400000 /* Make changes synchronously, i.e., spin until delay finished */
-#define pmsMustCmp 0x00200000 /* Delay must complete before next change */
-#define pmsCPU 0x001F0000 /* CPU frequency */
-#define pmsCPUUnk 0x1F /* CPU frequency unknown */
-#define pmsCngVolt 0x00008000 /* Change voltage */
-#define pmsVoltage 0x00007F00 /* Voltage */
-#define pmsVoltUnk 0x7F /* Voltage unknown */
-#define pmsPowerID 0x000000FF /* Identify power state to HW */
-
-/* Special commands - various things */
-#define pmsDelay 0xFFFFFFFD /* Delayed step, no processor or platform changes. Timer expiration causes transition to pmsTDelay */
-#define pmsParkIt 0xFFFFFFFF /* Enters the parked state. No processor or platform changes. Timers cancelled */
-#define pmsCInit ((pmsXUnk << 24) | (pmsCPUUnk << 16) | (pmsVoltUnk << 8)) /* Initial current set command value */
-/* Note: pmsSetFuncInd is an index into a table of function pointers and pmsSetFunc is the address
- * of a function. Initially, when you create a step table, this field is set as an index into
- * a table of function addresses that gets passed as a parameter to pmsBuild. When pmsBuild
- * internalizes the step and function tables, it converts the index to the function address.
- */
- union sf {
- pmsSetFunc_t pmsSetFunc; /* Function used to set platform power state */
- uint32_t pmsSetFuncInd; /* Index to function in function table */
- } sf;
-
- uint32_t pmsDown; /* Next state if going lower */
- uint32_t pmsNext; /* Normal next state */
- uint32_t pmsTDelay; /* State if command was pmsDelay and timer expired */
-} pmsDef;
-
-typedef struct pmsCtl {
- pmsStat (*pmsStats)[pmsMaxStates]; /* Pointer to statistics information, 0 if not enabled */
- pmsDef *pmsDefs[pmsMaxStates]; /* Indexed pointers to steps */
-} pmsCtl;
-
-/*
- * Note that this block is in the middle of the per_proc and the size (32 bytes)
- * can't be changed without moving it.
- */
-
-typedef struct pmsd {
- uint32_t pmsState; /* Current power management state */
- uint32_t pmsCSetCmd; /* Current select command */
- uint64_t pmsPop; /* Time of next step */
- uint64_t pmsStamp; /* Time of transition to current state */
- uint64_t pmsTime; /* Total time in this state */
-} pmsd;
-
-/*
- * Required power management step programs
- */
-
-enum {
- pmsIdle = 0, /* Power state in idle loop */
- pmsNorm = 1, /* Normal step - usually low power */
- pmsNormHigh = 2, /* Highest power in normal step */
- pmsBoost = 3, /* Boost/overdrive step */
- pmsLow = 4, /* Lowest non-idle power state, no transitions */
- pmsHigh = 5, /* Power step for full on, no transitions */
- pmsPrepCng = 6, /* Prepare for step table change */
- pmsPrepSleep = 7, /* Prepare for sleep */
- pmsOverTemp = 8, /* Machine is too hot */
- pmsEnterNorm = 9, /* Enter into the normal step program */
- pmsFree = 10, /* First available empty step */
- pmsStartUp = 0xFFFFFFFE, /* Start stepping */
- pmsParked = 0xFFFFFFFF /* Power parked - used when changing stepping table */
-};
-
-/*
- * Power Management Stepper Control requests
- */
-
-enum {
- pmsCPark = 0, /* Parks the stepper */
- pmsCStart = 1, /* Starts normal steppping */
- pmsCFLow = 2, /* Forces low power */
- pmsCFHigh = 3, /* Forces high power */
- pmsCCnfg = 4, /* Loads new stepper program */
- pmsCQuery = 5, /* Query current step and state */
- pmsCExperimental = 6, /* Enter experimental mode */
- pmsGCtls = 7,
- pmsGStats = 8,
- pmsCVID = 9,
- pmsCFree = 10 /* Next control command to be assigned */
-};
-
-/*
- * User request control structure passed to sysctl
- */
-typedef struct {
- uint32_t request; /* stepper control request */
- uint32_t reqsize; /* size of data */
- void *reqaddr; /* read/write data buffer */
-} pmsctl_t;
-
-extern pmsCtl pmsCtls; /* Power Management Stepper control */
-#ifdef __ppc__
-extern uint32_t pmsCtlp;
-#endif
-extern uint32_t pmsBroadcastWait; /* Number of outstanding broadcasts */
-extern int pmsInstalled;
-extern int pmsExperimental;
-
-#define pmsSetFuncMax 32
-extern pmsSetFunc_t pmsFuncTab[pmsSetFuncMax];
-extern pmsQueryFunc_t pmsQueryFunc;
-extern uint32_t pmsPlatformData;
-
-#ifdef __ppc__
-extern int pmsCntrl(struct savearea *save);
-#endif
-extern kern_return_t pmsControl(uint32_t request, user_addr_t reqaddr, uint32_t reqsize);
-extern void pmsInit(void);
-extern void pmsStep(int timer);
-extern void pmsDown(void);
-extern void pmsSetStep(uint32_t nstep, int dir);
-extern void pmsRunLocal(uint32_t nstep);
-extern void pmsCPUSet(uint32_t sel);
-extern uint32_t pmsCPUQuery(void);
-extern uint32_t pmsCPUPackageQuery(void);
-extern void pmsCPUConf(void);
-extern void pmsCPUMachineInit(void);
-extern void pmsCPUInit(void);
-extern void pmsCPURun(uint32_t nstep);
-
-extern void pmsCPUYellowFlag(void);
-extern void pmsCPUGreenFlag(void);
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern kern_return_t pmsBuild(pmsDef *pd, uint32_t pdsize, pmsSetFunc_t *functab, uint32_t platformData, pmsQueryFunc_t queryFunc);
-extern void pmsRun(uint32_t nstep);
-extern void pmsPark(void);
-extern void pmsStart(void);
-# ifndef __ppc__
-extern kern_return_t pmsCPULoadVIDTable(uint16_t *tablep, int nstates); /* i386 only */
-extern kern_return_t pmsCPUSetPStateLimit(uint32_t limit);
-# endif
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _KERN_PMS_H_ */
-#endif /* KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff