src/sis_dac.h

   1 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sis/sis_dac.h,v 1.11 2003/06/10 16:44:19 twini Exp $ */
   2 /*
   3  * DAC helper functions (Save/Restore, MemClk, etc)
   4  * Definitions and prototypes
   5  *
   6  * Copyright 1998,1999 by Alan Hourihane, Wigan, England.
   7  * Copyright 2001, 2002, 2003 by Thomas Winischhofer, Vienna, Austria.
   8  *
   9  * Permission to use, copy, modify, distribute, and sell this software and its
  10  * documentation for any purpose is hereby granted without fee, provided that
  11  * the above copyright notice appear in all copies and that both that
  12  * copyright notice and this permission notice appear in supporting
  13  * documentation, and that the name of the provider not be used in
  14  * advertising or publicity pertaining to distribution of the software without
  15  * specific, written prior permission.  The provider makes no representations
  16  * about the suitability of this software for any purpose.  It is provided
  17  * "as is" without express or implied warranty.
  18  *
  19  * THE PROVIDER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  20  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  21  * EVENT SHALL THE PROVIDER BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  22  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  23  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  24  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  25  * PERFORMANCE OF THIS SOFTWARE.
  26  *
  27  * Authors:  Alan Hourihane <alanh@fairlite.demon.co.uk>
  28  *           Mike Chapman <mike@paranoia.com>,
  29  *           Juanjo Santamarta <santamarta@ctv.es>,
  30  *           Mitani Hiroshi <hmitani@drl.mei.co.jp>
  31  *           David Thomas <davtom@dream.org.uk>.
  32  *           Thomas Winischhofer <thomas@winischhofer.net>
  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 unsigned int SiSddc1Read(ScrnInfoPtr pScrn);
  39 void SISLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indicies,
  40                                 LOCO *colors, VisualPtr pVisual);
  41 void SiSCalcClock(ScrnInfoPtr pScrn, int clock, int max_VLD,
  42                         unsigned int *vclk);
  43
  44 void SiSIODump(ScrnInfoPtr pScrn);
  45 int  SiSMemBandWidth(ScrnInfoPtr pScrn, BOOLEAN IsForCRT2);
  46 int  SiSMclk(SISPtr pSiS);
  47 void SiSRestoreBridge(ScrnInfoPtr pScrn, SISRegPtr sisReg);
  48
  49 extern void     SiS6326SetTVReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
  50 extern unsigned char SiS6326GetTVReg(ScrnInfoPtr pScrn, CARD8 index);
  51 extern void     SiS6326SetXXReg(ScrnInfoPtr pScrn, CARD8 index, CARD8 data);
  52 extern unsigned char SiS6326GetXXReg(ScrnInfoPtr pScrn, CARD8 index);
  53
  54 extern int      SiSCalcVRate(DisplayModePtr mode);
  55
  56 /* TW: Functions from init.c & init301.c */
  57 extern void     SiS_UnLockCRT2(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT BaseAddr);
  58 extern void     SiS_LockCRT2(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT BaseAddr);
  59 extern void     SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT  BaseAddr);
  60 extern void     SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO,USHORT BaseAddr);
  61 extern USHORT   SiS_GetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
  62 extern void     SiS_SetCH700x(SiS_Private *SiS_Pr, USHORT tempbx);
  63 extern USHORT   SiS_GetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
  64 extern void     SiS_SetCH701x(SiS_Private *SiS_Pr, USHORT tempbx);
  65 extern USHORT   SiS_GetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx);
  66 extern void     SiS_SetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx);
  67 extern void     SiS_SetCH70xxANDOR(SiS_Private *SiS_Pr, USHORT tempax,USHORT tempbh);
  68 extern void     SiS_DDC2Delay(SiS_Private *SiS_Pr, USHORT delaytime);
  69 extern USHORT   SiS_HandleDDC(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
  70                               USHORT adaptnum, USHORT DDCdatatype, unsigned char *buffer);
  71 extern void     SiS_SetChrontelGPIO(SiS_Private *SiS_Pr, USHORT myvbinfo);
  72 extern void     SiS_DisplayOn(SiS_Private *SiS_Pr);
  73 extern unsigned char SiS_GetSetModeID(ScrnInfoPtr pScrn, unsigned char id);
  74 extern void     SiS_SetEnableDstn(SiS_Private *SiS_Pr, int enable);
  75 extern void     SiS_SetEnableFstn(SiS_Private *SiS_Pr, int enable);
  76 #if 0
  77 extern void     SiS_SetSwitchDDC2(SiS_Private *SiS_Pr);
  78 extern USHORT   SiS_I2C_GetByte(SiS_Private *SiS_Pr);
  79 extern Bool     SiS_I2C_PutByte(SiS_Private *SiS_Pr, USHORT data);
  80 extern Bool     SiS_I2C_Address(SiS_Private *SiS_Pr, USHORT addr);
  81 extern void     SiS_I2C_Stop(SiS_Private *SiS_Pr);
  82 #endif
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