#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86_ansic.h"
#include "xf86Pci.h"
#include "xf86PciInfo.h"
#include "xaa.h"
#include "xaalocal.h"
#include "neo.h"
#include "neo_reg.h"
#include "dgaproc.h"
#include "vgaHW.h"
static Bool NEO_OpenFramebuffer(ScrnInfoPtr, char **, unsigned char **,
int *, int *, int *);
static Bool NEO_SetMode(ScrnInfoPtr, DGAModePtr);
static void NEO_Sync(ScrnInfoPtr);
static int NEO_GetViewport(ScrnInfoPtr);
static void NEO_SetViewport(ScrnInfoPtr, int, int, int);
static void NEO_FillRect(ScrnInfoPtr, int, int, int, int, unsigned long);
static void NEO_BlitRect(ScrnInfoPtr, int, int, int, int, int, int);
#if 0
static void NEO_BlitTransRect(ScrnInfoPtr, int, int, int, int, int, int,
unsigned long);
#endif
static
DGAFunctionRec NEODGAFuncs = {
NEO_OpenFramebuffer,
NULL,
NEO_SetMode,
NEO_SetViewport,
NEO_GetViewport,
NEO_Sync,
NEO_FillRect,
NEO_BlitRect,
#if 0
NEO_BlitTransRect
#else
NULL
#endif
};
Bool
NEODGAInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
NEOPtr pNEO = NEOPTR(pScrn);
DGAModePtr modes = NULL, newmodes = NULL, currentMode;
DisplayModePtr pMode, firstMode;
int Bpp = pScrn->bitsPerPixel >> 3;
int num = 0, imlines, pixlines;
imlines = (pScrn->videoRam * 1024) /
(pScrn->displayWidth * (pScrn->bitsPerPixel >> 3));
pixlines = (imlines > 1024 && !pNEO->noAccel) ? 1024 : imlines;
pMode = firstMode = pScrn->modes;
while(pMode) {
newmodes = xrealloc(modes, (num + 1) * sizeof(DGAModeRec));
if(!newmodes) {
xfree(modes);
return FALSE;
}
modes = newmodes;
currentMode = modes + num;
num++;
currentMode->mode = pMode;
currentMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE;
if (!pNEO->noAccel)
currentMode->flags |= (DGA_FILL_RECT | DGA_BLIT_RECT);
if(pMode->Flags & V_DBLSCAN)
currentMode->flags |= DGA_DOUBLESCAN;
if(pMode->Flags & V_INTERLACE)
currentMode->flags |= DGA_INTERLACED;
currentMode->byteOrder = pScrn->imageByteOrder;
currentMode->depth = pScrn->depth;
currentMode->bitsPerPixel = pScrn->bitsPerPixel;
currentMode->red_mask = pScrn->mask.red;
currentMode->green_mask = pScrn->mask.green;
currentMode->blue_mask = pScrn->mask.blue;
currentMode->visualClass = (Bpp == 1) ? PseudoColor : TrueColor;
currentMode->viewportWidth = pMode->HDisplay;
currentMode->viewportHeight = pMode->VDisplay;
currentMode->xViewportStep = 1;
currentMode->yViewportStep = 1;
currentMode->viewportFlags = DGA_FLIP_RETRACE;
currentMode->offset = 0;
currentMode->address = pNEO->NeoFbBase;
currentMode->bytesPerScanline =
((pScrn->displayWidth * Bpp) + 3) & ~3L;
currentMode->imageWidth = pScrn->displayWidth;
currentMode->imageHeight = imlines;
currentMode->pixmapWidth = currentMode->imageWidth;
currentMode->pixmapHeight = pixlines;
currentMode->maxViewportX = currentMode->imageWidth -
currentMode->viewportWidth;
currentMode->maxViewportY = currentMode->imageHeight -
currentMode->viewportHeight;
pMode = pMode->next;
if(pMode == firstMode)
break;
}
pNEO->numDGAModes = num;
pNEO->DGAModes = modes;
return DGAInit(pScreen, &NEODGAFuncs, modes, num);
}
static DisplayModePtr NEOSavedDGAModes[MAXSCREENS];
static Bool
NEO_SetMode(
ScrnInfoPtr pScrn,
DGAModePtr pMode
){
int index = pScrn->pScreen->myNum;
NEOPtr pNEO = NEOPTR(pScrn);
if(!pMode) {
if(pNEO->DGAactive) {
pScrn->currentMode = NEOSavedDGAModes[index];
NEOSwitchMode(index, pScrn->currentMode, 0);
NEOAdjustFrame(index, 0, 0, 0);
pNEO->DGAactive = FALSE;
}
} else {
if(!pNEO->DGAactive) {
NEOSavedDGAModes[index] = pScrn->currentMode;
pNEO->DGAactive = TRUE;
}
NEOSwitchMode(index, pMode->mode, 0);
}
return TRUE;
}
static int
NEO_GetViewport(
ScrnInfoPtr pScrn
){
NEOPtr pNEO = NEOPTR(pScrn);
return pNEO->DGAViewportStatus;
}
static void
NEO_SetViewport(
ScrnInfoPtr pScrn,
int x, int y,
int flags
){
NEOPtr pNEO = NEOPTR(pScrn);
vgaHWPtr hwp = VGAHWPTR(pScrn);
NEOAdjustFrame(pScrn->pScreen->myNum, x, y, flags);
while((hwp->readST01(hwp) & 0x08));
while(!(hwp->readST01(hwp) & 0x08));
pNEO->DGAViewportStatus = 0;
}
static void
NEO_FillRect (
ScrnInfoPtr pScrn,
int x, int y, int w, int h,
unsigned long color
){
NEOPtr pNEO = NEOPTR(pScrn);
if(pNEO->AccelInfoRec) {
(*pNEO->AccelInfoRec->SetupForSolidFill)(pScrn, color, GXcopy, ~0);
(*pNEO->AccelInfoRec->SubsequentSolidFillRect)(pScrn, x, y, w, h);
SET_SYNC_FLAG(pNEO->AccelInfoRec);
}
}
static void
NEO_Sync(
ScrnInfoPtr pScrn
){
NEOPtr pNEO = NEOPTR(pScrn);
if(pNEO->AccelInfoRec) {
(*pNEO->AccelInfoRec->Sync)(pScrn);
}
}
static void
NEO_BlitRect(
ScrnInfoPtr pScrn,
int srcx, int srcy,
int w, int h,
int dstx, int dsty
){
NEOPtr pNEO = NEOPTR(pScrn);
if(pNEO->AccelInfoRec) {
int xdir = ((srcx < dstx) && (srcy == dsty)) ? -1 : 1;
int ydir = (srcy < dsty) ? -1 : 1;
(*pNEO->AccelInfoRec->SetupForScreenToScreenCopy)(
pScrn, xdir, ydir, GXcopy, ~0, -1);
(*pNEO->AccelInfoRec->SubsequentScreenToScreenCopy)(
pScrn, srcx, srcy, dstx, dsty, w, h);
SET_SYNC_FLAG(pNEO->AccelInfoRec);
}
}
#if 0
static void
NEO_BlitTransRect(
ScrnInfoPtr pScrn,
int srcx, int srcy,
int w, int h,
int dstx, int dsty,
unsigned long color
){
}
#endif
static Bool
NEO_OpenFramebuffer(
ScrnInfoPtr pScrn,
char **name,
unsigned char **mem,
int *size,
int *offset,
int *flags
){
NEOPtr pNEO = NEOPTR(pScrn);
*name = NULL;
*mem = (unsigned char*)pNEO->NeoLinearAddr;
*size = pNEO->NeoFbMapSize;
*offset = 0;
*flags = DGA_NEED_ROOT;
return TRUE;
}