132b578d3Smrg/*
232b578d3Smrg * Copyright 1997 through 2004 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
332b578d3Smrg *
432b578d3Smrg * Permission to use, copy, modify, distribute, and sell this software and its
532b578d3Smrg * documentation for any purpose is hereby granted without fee, provided that
632b578d3Smrg * the above copyright notice appear in all copies and that both that copyright
732b578d3Smrg * notice and this permission notice appear in supporting documentation, and
832b578d3Smrg * that the name of Marc Aurele La France not be used in advertising or
932b578d3Smrg * publicity pertaining to distribution of the software without specific,
1032b578d3Smrg * written prior permission.  Marc Aurele La France makes no representations
1132b578d3Smrg * about the suitability of this software for any purpose.  It is provided
1232b578d3Smrg * "as-is" without express or implied warranty.
1332b578d3Smrg *
1432b578d3Smrg * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
1532b578d3Smrg * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO
1632b578d3Smrg * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
1732b578d3Smrg * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
1832b578d3Smrg * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
1932b578d3Smrg * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
2032b578d3Smrg * PERFORMANCE OF THIS SOFTWARE.
2132b578d3Smrg */
2232b578d3Smrg
2332b578d3Smrg#ifndef ___ATICLOCK_H___
2432b578d3Smrg#define ___ATICLOCK_H___ 1
2532b578d3Smrg
2632b578d3Smrg#include "atipriv.h"
2732b578d3Smrg
2832b578d3Smrg#include "xf86str.h"
2932b578d3Smrg
3032b578d3Smrg/*
3132b578d3Smrg * Definitions related to programmable clock generators.
3232b578d3Smrg */
3332b578d3Smrgtypedef enum
3432b578d3Smrg{
3532b578d3Smrg    ATI_CLOCK_UNKNOWN = -1,
3632b578d3Smrg    ATI_CLOCK_FIXED = 0,        /* Further described by ATIClockType */
3732b578d3Smrg    ATI_CLOCK_ICS2595,
3832b578d3Smrg    ATI_CLOCK_STG1703,
3932b578d3Smrg    ATI_CLOCK_CH8398,
4032b578d3Smrg    ATI_CLOCK_INTERNAL,
4132b578d3Smrg    ATI_CLOCK_ATT20C408,
4232b578d3Smrg    ATI_CLOCK_IBMRGB514,
4332b578d3Smrg    ATI_CLOCK_MAX               /* Must be last */
4432b578d3Smrg} ATIProgrammableClockType;
4532b578d3Smrg
4632b578d3Smrgtypedef struct
4732b578d3Smrg{
4832b578d3Smrg    CARD16 MinN, MaxN;          /* Feedback divider and ... */
4932b578d3Smrg    CARD16 NAdjust;             /* ... its adjustment and ... */
5032b578d3Smrg    CARD16 N1, N2;              /* ... its restrictions */
5132b578d3Smrg    CARD16 MinM, MaxM;          /* Reference divider and ... */
5232b578d3Smrg    CARD16 MAdjust;             /* ... its adjustment */
5332b578d3Smrg    CARD16 NumD, *PostDividers; /* Post-dividers */
5432b578d3Smrg    const char *ClockName;
5532b578d3Smrg} ClockRec, *ClockPtr;
5632b578d3Smrgextern ClockRec ATIClockDescriptors[];
5732b578d3Smrg
5832b578d3Smrgextern void ATIClockPreInit(ScrnInfoPtr, ATIPtr);
5932b578d3Smrgextern Bool ATIClockCalculate(int, ATIPtr, ATIHWPtr, DisplayModePtr);
6032b578d3Smrgextern void ATIClockSet(ATIPtr, ATIHWPtr);
6132b578d3Smrg
6232b578d3Smrg#endif /* ___ATICLOCK_H___ */
63