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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sis/sis_dac.h,v 1.11 2003/06/10 16:44:19 twini Exp $ */
/*
* DAC helper functions (Save/Restore, MemClk, etc)
* Definitions and prototypes
*
* Copyright 1998,1999 by Alan Hourihane, Wigan, England.
* Copyright 2001, 2002, 2003 by Thomas Winischhofer, Vienna, Austria.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the provider not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The provider makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* THE PROVIDER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE PROVIDER BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors: Alan Hourihane <alanh@fairlite.demon.co.uk>
* Mike Chapman <mike@paranoia.com>,
* Juanjo Santamarta <santamarta@ctv.es>,
* Mitani Hiroshi <hmitani@drl.mei.co.jp>
* David Thomas <davtom@dream.org.uk>.
* Thomas Winischhofer <thomas@winischhofer.net>
*/
int SiS_compute_vclk(int Clock, int *out_n, int *out_dn, int *out_div,
int *out_sbit, int *out_scale);
void SISDACPreInit(ScrnInfoPtr pScrn);
unsigned int SiSddc1Read(ScrnInfoPtr pScrn);
void SISLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indicies,
LOCO *colors, VisualPtr pVisual);
void SiSCalcClock(ScrnInfoPtr pScrn, int clock, int max_VLD,
unsigned int *vclk);
void SiSIODump(ScrnInfoPtr pScrn);
int SiSMemBandWidth(ScrnInfoPtr pScrn, BOOLEAN IsForCRT2);
int SiSMclk(SISPtr pSiS);
void SiSRestoreBridge(ScrnInfoPtr pScrn, SISRegPtr sisReg);
extern void SiS6326SetTVReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
extern unsigned char SiS6326GetTVReg(ScrnInfoPtr pScrn, CARD8 index);
extern void SiS6326SetXXReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
extern unsigned char SiS6326GetXXReg(ScrnInfoPtr pScrn, CARD8 index);
extern int SiSCalcVRate(DisplayModePtr mode);
/* TW: Functions from init.c & init301.c */
extern void SiS_UnLockCRT2(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT BaseAddr);
extern void SiS_LockCRT2(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT BaseAddr);
extern void SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT BaseAddr);
extern void SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT BaseAddr);
extern USHORT SiS_GetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
extern void SiS_SetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
extern USHORT SiS_GetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
extern void SiS_SetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
extern USHORT SiS_GetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx);
extern void SiS_SetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx);
extern void SiS_SetCH70xxANDOR(SiS_Private *SiS_Pr, USHORT tempax,USHORT tempbh);
extern void SiS_DDC2Delay(SiS_Private *SiS_Pr, USHORT delaytime);
extern USHORT SiS_HandleDDC(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
USHORT adaptnum, USHORT DDCdatatype, unsigned char *buffer);
extern void SiS_SetChrontelGPIO(SiS_Private *SiS_Pr, USHORT myvbinfo);
extern void SiS_DisplayOn(SiS_Private *SiS_Pr);
extern unsigned char SiS_GetSetModeID(ScrnInfoPtr pScrn, unsigned char id);
extern void SiS_SetEnableDstn(SiS_Private *SiS_Pr, int enable);
extern void SiS_SetEnableFstn(SiS_Private *SiS_Pr, int enable);
#if 0
extern void SiS_SetSwitchDDC2(SiS_Private *SiS_Pr);
extern USHORT SiS_I2C_GetByte(SiS_Private *SiS_Pr);
extern Bool SiS_I2C_PutByte(SiS_Private *SiS_Pr, USHORT data);
extern Bool SiS_I2C_Address(SiS_Private *SiS_Pr, USHORT addr);
extern void SiS_I2C_Stop(SiS_Private *SiS_Pr);
#endif
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