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/*
Voodoo Banshee driver version 1.0.2
Author: Daryll Strauss
Copyright: 1998,1999
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86fbman.h"
#include "tdfx.h"
static void TDFXLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
static void TDFXShowCursor(ScrnInfoPtr pScrn);
static void TDFXHideCursor(ScrnInfoPtr pScrn);
static void TDFXSetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
static void TDFXSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
static Bool TDFXUseHWCursor(ScreenPtr pScreen, CursorPtr pCurs);
Bool
TDFXCursorInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn;
TDFXPtr pTDFX;
xf86CursorInfoPtr infoPtr;
TDFXTRACECURS("TDFXCursorInit start\n");
pScrn = xf86ScreenToScrn(pScreen);
pTDFX = TDFXPTR(pScrn);
pTDFX->CursorInfoRec = infoPtr = xf86CreateCursorInfoRec();
if (!infoPtr) return FALSE;
infoPtr->MaxWidth = 64;
infoPtr->MaxHeight = 64;
infoPtr->Flags =
#if X_BYTE_ORDER == X_LITTLE_ENDIAN
HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
#endif
HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK|
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 |
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP;
infoPtr->SetCursorColors = TDFXSetCursorColors;
infoPtr->SetCursorPosition = TDFXSetCursorPosition;
infoPtr->LoadCursorImage = TDFXLoadCursorImage;
infoPtr->HideCursor = TDFXHideCursor;
infoPtr->ShowCursor = TDFXShowCursor;
infoPtr->UseHWCursor = TDFXUseHWCursor;
pTDFX->ModeReg.cursloc = pTDFX->cursorOffset;
pTDFX->writeLong(pTDFX, HWCURPATADDR, pTDFX->cursorOffset);
return xf86InitCursor(pScreen, infoPtr);
}
#if X_BYTE_ORDER == X_BIG_ENDIAN
static unsigned int TDFXSwap(TDFXPtr pTDFX, unsigned int val) {
switch (pTDFX->cpp) {
default:
return val;
case 2:
return ((val & 0x00ff00ff) << 8) |
((val & 0xff00ff00) >> 8);
case 3:
case 4:
return BE_BSWAP32(val);
}
}
#endif
static void
TDFXLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
{
TDFXPtr pTDFX;
TDFXTRACECURS("TDFXLoadCursorImage start\n");
pTDFX = TDFXPTR(pScrn);
#if X_BYTE_ORDER == X_BIG_ENDIAN
{
int i;
unsigned int *ptr=(unsigned int *)(pTDFX->FbBase+pTDFX->cursorOffset);
for (i=0; i<256; i++) {
unsigned int val = ((unsigned int *)src)[i];
*ptr++ = TDFXSwap(pTDFX, val);
}
}
#else
memcpy(pTDFX->FbBase+pTDFX->cursorOffset, src, 1024);
#endif
}
static void
TDFXShowCursor(ScrnInfoPtr pScrn)
{
TDFXPtr pTDFX;
TDFXTRACECURS("TDFXShowCursor start\n");
pTDFX = TDFXPTR(pScrn);
pTDFX->ModeReg.vidcfg|=BIT(27);
pTDFX->writeLong(pTDFX, VIDPROCCFG, pTDFX->ModeReg.vidcfg);
}
void
TDFXHideCursor(ScrnInfoPtr pScrn)
{
TDFXPtr pTDFX;
TDFXTRACECURS("TDFXHideCursor start\n");
pTDFX = TDFXPTR(pScrn);
pTDFX->ModeReg.vidcfg&=~BIT(27);
pTDFX->writeLong(pTDFX, VIDPROCCFG, pTDFX->ModeReg.vidcfg);
}
static void
TDFXSetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
{
TDFXPtr pTDFX;
/* TDFXTRACECURS("TDFXSetCursorPosition start\n"); */
pTDFX = TDFXPTR(pScrn);
pTDFX->writeLong(pTDFX, HWCURLOC, ((y+64)<<16)|(x+64));
}
static void
TDFXSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
{
TDFXPtr pTDFX;
TDFXTRACECURS("TDFXSetCursorColors start\n");
pTDFX = TDFXPTR(pScrn);
pTDFX->writeLong(pTDFX, HWCURC0, bg);
pTDFX->writeLong(pTDFX, HWCURC1, fg);
}
static Bool
TDFXUseHWCursor(ScreenPtr pScreen, CursorPtr pCurs)
{
ScrnInfoPtr pScrn;
TDFXPtr pTDFX;
TDFXTRACECURS("TDFXUseHWCursor start\n");
pScrn = xf86ScreenToScrn(pScreen);
pTDFX = TDFXPTR(pScrn);
if (pScrn->currentMode->Flags&V_DBLSCAN)
return FALSE;
if (!pTDFX->CursorInfoRec) return FALSE;
return TRUE;
}
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