src/sis_dac.h

   1 /* $XFree86$ */
   2 /*
   3  * DAC helper functions (Save/Restore, MemClk, etc)
   4  * Definitions and prototypes
   5  *
   6  * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1) Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2) Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3) All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement: "This product includes
  18  *    software developed by Thomas Winischhofer, Vienna, Austria."
  19  * 4) The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  */
  34
  35 int  SiS_compute_vclk(int Clock, int *out_n, int *out_dn, int *out_div,
  36                         int *out_sbit, int *out_scale);
  37 void SISDACPreInit(ScrnInfoPtr pScrn);
  38 void SISLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indicies,
  39                         LOCO *colors, VisualPtr pVisual);
  40 void SiSCalcClock(ScrnInfoPtr pScrn, int clock, int max_VLD,
  41                         unsigned int *vclk);
  42 void SiSIODump(ScrnInfoPtr pScrn);
  43 int  SiSMemBandWidth(ScrnInfoPtr pScrn, BOOLEAN IsForCRT2);
  44 int  SiSMclk(SISPtr pSiS);
  45 void SiSRestoreBridge(ScrnInfoPtr pScrn, SISRegPtr sisReg);
  46
  47 extern void     SiS6326SetTVReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
  48 extern unsigned char SiS6326GetTVReg(ScrnInfoPtr pScrn, CARD8 index);
  49 extern void     SiS6326SetXXReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
  50 extern unsigned char SiS6326GetXXReg(ScrnInfoPtr pScrn, CARD8 index);
  51
  52 extern int      SiSCalcVRate(DisplayModePtr mode);
  53
  54 /* Functions from init.c and init301.c */
  55 extern void     SiS_UnLockCRT2(SiS_Private *SiS_Pr, PSIS_HW_INFO);
  56 extern void     SiS_LockCRT2(SiS_Private *SiS_Pr, PSIS_HW_INFO);
  57 extern void     SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO);
  58 extern void     SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO);
  59 extern USHORT   SiS_GetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
  60 extern void     SiS_SetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
  61 extern USHORT   SiS_GetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
  62 extern void     SiS_SetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
  63 extern USHORT   SiS_GetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx);
  64 extern void     SiS_SetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx);
  65 extern void     SiS_SetCH70xxANDOR(SiS_Private *SiS_Pr, USHORT tempax,USHORT tempbh);
  66 extern void     SiS_DDC2Delay(SiS_Private *SiS_Pr, USHORT delaytime);
  67 extern USHORT   SiS_ReadDDC1Bit(SiS_Private *SiS_Pr);
  68 extern USHORT   SiS_HandleDDC(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
  69                               USHORT adaptnum, USHORT DDCdatatype, unsigned char *buffer);
  70 extern void     SiS_SetChrontelGPIO(SiS_Private *SiS_Pr, USHORT myvbinfo);
  71 extern void     SiS_DisplayOn(SiS_Private *SiS_Pr);
  72 extern unsigned char SiS_GetSetModeID(ScrnInfoPtr pScrn, unsigned char id);
  73 extern void     SiS_SetEnableDstn(SiS_Private *SiS_Pr, int enable);
  74 extern void     SiS_SetEnableFstn(SiS_Private *SiS_Pr, int enable);