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/*

 * Copyright 2007  Luc Verhaegen 

 * Copyright 2007  Matthias Hopf 

 * Copyright 2007  Egbert Eich   

 * Copyright 2007  Advanced Micro Devices, Inc.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 */

#ifndef _RHD_PLL_H

#define _RHD_PLL_H

struct rhdPLL {

    int scrnIndex;

#define PLL_NAME_PLL1 "PLL 1"

#define PLL_NAME_PLL2 "PLL 2"

    char *Name;

/* also used as an index to rhdPtr->PLLs */

#define PLL_ID_PLL1  0

#define PLL_ID_PLL2  1

#define PLL_ID_NONE -1

    int Id;

    CARD32 CurrentClock;

    Bool Active;

    /* from defaults or from atom */

    CARD32 RefClock;

    CARD32 IntMin;

    CARD32 IntMax;

    CARD32 PixMin;

    CARD32 PixMax;

    ModeStatus (*Valid) (struct rhdPLL *PLL, CARD32 Clock);

    void (*Set) (struct rhdPLL *PLL, int PixelClock, CARD16 ReferenceDivider,

		 CARD16 FeedbackDivider, CARD8 PostDivider);

    void (*Power) (struct rhdPLL *PLL, int Power);

    void (*Save) (struct rhdPLL *PLL);

    void (*Restore) (struct rhdPLL *PLL);

    /* For save/restore: Move to a Private */

    Bool Stored;

    void *Private;

    Bool StoreActive;

    Bool StoreCrtc1Owner;

    Bool StoreCrtc2Owner;

    CARD32 StoreRefDiv;

    CARD32 StoreFBDiv;

    CARD32 StorePostDiv;

    CARD32 StoreControl;

    CARD32 StoreSpreadSpectrum;

    /* RV620/RV635/RS780 */

    Bool StoreDCCGCLKOwner;

    CARD32 StoreDCCGCLK;

    CARD8 StoreScalerPostDiv;

    CARD8 StoreSymPostDiv;

    CARD32 StorePostDivSrc;

    Bool StoreGlitchReset;

};

Bool RHDPLLsInit(RHDPtr rhdPtr);

ModeStatus RHDPLLValid(struct rhdPLL *PLL, CARD32 Clock);

void RHDPLLSet(struct rhdPLL *PLL, CARD32 Clock);

void RHDPLLPower(struct rhdPLL *PLL, int Power);

void RHDPLLsPowerAll(RHDPtr rhdPtr, int Power);

void RHDPLLsShutdownInactive(RHDPtr rhdPtr);

void RHDPLLsSave(RHDPtr rhdPtr);

void RHDPLLsRestore(RHDPtr rhdPtr);

void RHDPLLsDestroy(RHDPtr rhdPtr);

void RHDSetupLimits(RHDPtr rhdPtr, CARD32 *RefClock,

		    CARD32 *IntMin, CARD32 *IntMax,

		    CARD32 *PixMin, CARD32 *PixMax);

Bool RHDAtomPLLsInit(RHDPtr rhdPtr);

#endif /* _RHD_PLL_H */