src/sis_dac.h

   1 /*
   2  * DAC helper functions (Save/Restore, MemClk, etc)
   3  * Definitions and prototypes
   4  *
   5  * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1) Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2) Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3) The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  *
  29  */
  30
  31 int  SiS_compute_vclk(int Clock, int *out_n, int *out_dn, int *out_div,
  32                         int *out_sbit, int *out_scale);
  33 void SISDACPreInit(ScrnInfoPtr pScrn);
  34 void SISLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indicies,
  35                         LOCO *colors, VisualPtr pVisual);
  36 void SiSCalcClock(ScrnInfoPtr pScrn, int clock, int max_VLD,
  37                         unsigned int *vclk);
  38 void SiSIODump(ScrnInfoPtr pScrn);
  39 int  SiSMemBandWidth(ScrnInfoPtr pScrn, Bool IsForCRT2, Bool quiet);
  40 int  SiSMclk(SISPtr pSiS);
  41 void SiSRestoreBridge(ScrnInfoPtr pScrn, SISRegPtr sisReg);
  42 void SiS_UpdateGammaCRT2(ScrnInfoPtr pScrn);
  43
  44 extern void     SISWaitRetraceCRT1(ScrnInfoPtr pScrn);
  45 extern void     SISWaitRetraceCRT2(ScrnInfoPtr pScrn);
  46
  47 extern void     SiS6326SetTVReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
  48 extern UChar    SiS6326GetTVReg(ScrnInfoPtr pScrn, CARD8 index);
  49 extern void     SiS6326SetXXReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
  50 extern UChar    SiS6326GetXXReg(ScrnInfoPtr pScrn, CARD8 index);
  51
  52 extern float    SiSCalcVRate(DisplayModePtr mode);
  53
  54 extern void     SISCalculateGammaRampCRT2(ScrnInfoPtr pScrn);
  55
  56 /* Functions from init.c and init301.c (use their datatypes!) */
  57 extern void             SiS_UnLockCRT2(struct SiS_Private *SiS_Pr);
  58 extern void             SiS_LockCRT2(struct SiS_Private *SiS_Pr);
  59 extern void             SiS_DisableBridge(struct SiS_Private *SiS_Pr);
  60 extern void             SiS_EnableBridge(struct SiS_Private *SiS_Pr);
  61 extern unsigned short   SiS_GetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg);
  62 extern void             SiS_SetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
  63 extern unsigned short   SiS_GetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg);
  64 extern void             SiS_SetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
  65 extern unsigned short   SiS_GetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg);
  66 extern void             SiS_SetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
  67 extern void             SiS_SetCH70xxANDOR(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char orval, unsigned char andval);
  68 extern void             SiS_DDC2Delay(struct SiS_Private *SiS_Pr, unsigned int delaytime);
  69 extern unsigned short   SiS_ReadDDC1Bit(struct SiS_Private *SiS_Pr);
  70 extern unsigned short   SiS_HandleDDC(struct SiS_Private *SiS_Pr, unsigned int VBFlags, int VGAEngine,
  71                               unsigned short adaptnum, unsigned short DDCdatatype, unsigned char *buffer,
  72                               unsigned int VBFlags2);
  73 extern void             SiS_SetChrontelGPIO(struct SiS_Private *SiS_Pr, unsigned short myvbinfo);
  74 extern void             SiS_DisplayOn(struct SiS_Private *SiS_Pr);
  75 extern unsigned char    SiS_GetSetModeID(ScrnInfoPtr pScrn, unsigned char id);
  76 extern void             SiS_SetEnableDstn(struct SiS_Private *SiS_Pr, int enable);
  77 extern void             SiS_SetEnableFstn(struct SiS_Private *SiS_Pr, int enable);
  78 extern void             SiSRegInit(struct SiS_Private *SiS_Pr, unsigned short BaseAddr);
  79 extern void             SiSSetLVDSetc(struct SiS_Private *SiS_Pr, unsigned short ModeNo);
  80 extern void             SiS_GetVBType(struct SiS_Private *SiS_Pr);
  81 /* End of init.c/init301.c imports */