xorg-server-1.4/hw/xfree86/ramdac/xf86RamDac.h

   1
   2 #ifndef _XF86RAMDAC_H
   3 #define _XF86RAMDAC_H 1
   4
   5 #include "colormapst.h"
   6 #include "xf86Cursor.h"
   7
   8 /* Define unique vendor codes for RAMDAC's */
   9 #define VENDOR_IBM      0x0000
  10 #define VENDOR_BT       0x0001
  11 #define VENDOR_TI       0x0002
  12
  13 typedef struct _RamDacRegRec {
  14 /* This is probably the nastiest assumption, we allocate 1024 slots for
  15  * ramdac registers, should be enough. I've checked IBM and TVP series
  16  * and they seem o.k
  17  * Then we allocate 768 entries for the DAC too. IBM640 needs 1024 -FIXME
  18  */
  19     unsigned short DacRegs[0x400];      /* register set */
  20     unsigned char DAC[0x300];           /* colour map */
  21     Bool Overlay;
  22 } RamDacRegRec, *RamDacRegRecPtr;
  23
  24 typedef struct _RamDacHWRegRec {
  25     RamDacRegRec        SavedReg;
  26     RamDacRegRec        ModeReg;
  27 } RamDacHWRec, *RamDacHWRecPtr;
  28
  29 typedef struct _RamDacRec {
  30     CARD32 RamDacType;
  31
  32     void (*LoadPalette)(
  33         ScrnInfoPtr pScrn,
  34         int numColors,
  35         int *indices,
  36         LOCO *colors,
  37         VisualPtr pVisual
  38     );
  39
  40     unsigned char (*ReadDAC)(
  41         ScrnInfoPtr pScrn,
  42         CARD32
  43     );
  44
  45     void (*WriteDAC)(
  46         ScrnInfoPtr pScrn,
  47         CARD32,
  48         unsigned char,
  49         unsigned char
  50     );
  51
  52     void (*WriteAddress)(
  53         ScrnInfoPtr pScrn,
  54         CARD32
  55     );
  56
  57     void (*WriteData)(
  58         ScrnInfoPtr pScrn,
  59         unsigned char
  60     );
  61
  62     void (*ReadAddress)(
  63         ScrnInfoPtr pScrn,
  64         CARD32
  65     );
  66
  67     unsigned char (*ReadData)(
  68         ScrnInfoPtr pScrn
  69     );
  70 } RamDacRec, *RamDacRecPtr;
  71
  72 typedef struct _RamDacHelperRec {
  73     CARD32 RamDacType;
  74
  75     void (*Restore)(
  76         ScrnInfoPtr pScrn,
  77         RamDacRecPtr ramdacPtr,
  78         RamDacRegRecPtr ramdacReg
  79     );
  80
  81     void (*Save)(
  82         ScrnInfoPtr pScrn,
  83         RamDacRecPtr ramdacPtr,
  84         RamDacRegRecPtr ramdacReg
  85     );
  86
  87     void (*SetBpp)(
  88         ScrnInfoPtr pScrn,
  89         RamDacRegRecPtr ramdacReg
  90     );
  91
  92     void (*HWCursorInit)(
  93         xf86CursorInfoPtr infoPtr
  94     );
  95 } RamDacHelperRec, *RamDacHelperRecPtr;
  96
  97 #define RAMDACHWPTR(p) ((RamDacHWRecPtr)((p)->privates[RamDacGetHWIndex()].ptr))
  98
  99 typedef struct _RamdacScreenRec {
 100     RamDacRecPtr        RamDacRec;
 101 } RamDacScreenRec, *RamDacScreenRecPtr;
 102 #define RAMDACSCRPTR(p) ((RamDacScreenRecPtr)((p)->privates[RamDacGetScreenIndex()].ptr))->RamDacRec
 103
 104 extern int RamDacHWPrivateIndex;
 105 extern int RamDacScreenPrivateIndex;
 106
 107 typedef struct {
 108     int         token;
 109 } RamDacSupportedInfoRec, *RamDacSupportedInfoRecPtr;
 110
 111 RamDacRecPtr RamDacCreateInfoRec(void);
 112 RamDacHelperRecPtr RamDacHelperCreateInfoRec(void);
 113 void RamDacDestroyInfoRec(RamDacRecPtr RamDacRec);
 114 void RamDacHelperDestroyInfoRec(RamDacHelperRecPtr RamDacRec);
 115 Bool RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec);
 116 void RamDacSetGamma(ScrnInfoPtr pScrn, Bool Real8BitDac);
 117 void RamDacRestoreDACValues(ScrnInfoPtr pScrn);
 118 Bool RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits,
 119                            unsigned int flags);
 120 void RamDacFreeRec(ScrnInfoPtr pScrn);
 121 int  RamDacGetHWIndex(void);
 122
 123 #endif /* _XF86RAMDAC_H */