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/*
* Copyright 2006 by Alan Hourihane, North Wales, UK.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the authors not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk>
*
* Trident XP4/XP5 accelerated options.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "exa.h"
#include "picture.h"
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86Pci.h"
#include "xaarop.h"
#include "trident.h"
#include "trident_regs.h"
static int ropcode;
static int CopyROP[16] =
{
ROP_0, /* GXclear */
ROP_DSa, /* GXand */
ROP_SDna, /* GXandReverse */
ROP_S, /* GXcopy */
ROP_DSna, /* GXandInverted */
ROP_D, /* GXnoop */
ROP_DSx, /* GXxor */
ROP_DSo, /* GXor */
ROP_DSon, /* GXnor */
ROP_DSxn, /* GXequiv */
ROP_Dn, /* GXinvert*/
ROP_SDno, /* GXorReverse */
ROP_Sn, /* GXcopyInverted */
ROP_DSno, /* GXorInverted */
ROP_DSan, /* GXnand */
ROP_1 /* GXset */
};
static int PatternROP[16]=
{
ROP_0,
ROP_DPa,
ROP_PDna,
ROP_P,
ROP_DPna,
ROP_D,
ROP_DPx,
ROP_DPo,
ROP_DPon,
ROP_PDxn,
ROP_Dn,
ROP_PDno,
ROP_Pn,
ROP_DPno,
ROP_DPan,
ROP_1
};
static int GetCopyROP(int i)
{
return CopyROP[i];
}
static int GetPatternROP(int i)
{
return PatternROP[i];
}
static void
XP4WaitMarker(ScreenPtr pScreen, int Marker)
{
/* Don't need a wait marker as we need to sync on all operations */
}
static void
XP4Done(PixmapPtr p) {
ScrnInfoPtr pScrn = xf86ScreenToScrn(p->drawable.pScreen);
TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
int count = 0, timeout = 0;
int busy;
for (;;) {
BLTBUSY(busy);
if (busy != GE_BUSY) {
return;
}
count++;
if (count == 10000000) {
ErrorF("XP: BitBLT engine time-out.\n");
count = 9990000;
timeout++;
if (timeout == 4) {
/* Reset BitBLT Engine */
TGUI_STATUS(0x00);
return;
}
}
}
}
static Bool
XP4PrepareSolid(PixmapPtr pPixmap, int alu, Pixel planemask, Pixel fg)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pPixmap->drawable.pScreen);
TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
unsigned int dorg = exaGetPixmapOffset(pPixmap);
unsigned int dptch = exaGetPixmapPitch(pPixmap);
if (planemask != -1)
return FALSE;
ropcode = alu;
MMIO_OUT32(pTrident->IOBase, 0x2150, (dptch << 18) | (dorg >> 4));
REPLICATE(fg);
MMIO_OUT32(pTrident->IOBase, 0x2158, fg);
MMIO_OUT32(pTrident->IOBase, 0x2128, 1<<14);
return TRUE;
}
static void
XP4Solid(PixmapPtr pPixmap, int x1, int y1, int x2, int y2)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pPixmap->drawable.pScreen);
TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
int bpp;
switch (pPixmap->drawable.bitsPerPixel) {
case 8:
bpp = 0x40;
break;
case 16:
bpp = 0x41;
break;
case 32:
bpp = 0x42;
break;
}
MMIO_OUT32(pTrident->IOBase, 0x2138, x1<<16 | y1);
MMIO_OUT32(pTrident->IOBase, 0x2140, (x2-x1)<<16 | (y2-y1));
MMIO_OUT32(pTrident->IOBase, 0x2124, GetPatternROP(ropcode) << 24 | bpp << 8 | 2);
}
static Bool
XP4PrepareCopy(PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap, int dx, int dy,
int alu, Pixel planemask)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pDstPixmap->drawable.pScreen);
TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
unsigned int sorg = exaGetPixmapOffset(pSrcPixmap);
unsigned int dorg = exaGetPixmapOffset(pDstPixmap);
unsigned int sptch = exaGetPixmapPitch(pSrcPixmap);
unsigned int dptch = exaGetPixmapPitch(pDstPixmap);
if (planemask != -1)
return FALSE;
pTrident->BltScanDirection = 0;
if (dx < 0) pTrident->BltScanDirection |= XNEG;
if (dy < 0) pTrident->BltScanDirection |= YNEG;
ropcode = alu;
MMIO_OUT32(pTrident->IOBase, 0x2154, (sptch << 18) | (sorg >> 4));
MMIO_OUT32(pTrident->IOBase, 0x2150, (dptch << 18) | (dorg >> 4));
return TRUE;
}
static void
XP4Copy(PixmapPtr pDstPixmap, int x1, int y1, int x2, int y2, int w, int h)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pDstPixmap->drawable.pScreen);
TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
int bpp;
switch (pDstPixmap->drawable.bitsPerPixel) {
case 8:
bpp = 0x40;
break;
case 16:
bpp = 0x41;
break;
case 32:
bpp = 0x42;
break;
}
if (pTrident->BltScanDirection & YNEG) {
y1 = y1 + h - 1;
y2 = y2 + h - 1;
}
if (pTrident->BltScanDirection & XNEG) {
x1 = x1 + w - 1;
x2 = x2 + w - 1;
}
MMIO_OUT32(pTrident->IOBase, 0x2128, pTrident->BltScanDirection | SCR2SCR);
MMIO_OUT32(pTrident->IOBase, 0x2138, x2<<16 | y2);
MMIO_OUT32(pTrident->IOBase, 0x213C, x1<<16 | y1);
MMIO_OUT32(pTrident->IOBase, 0x2140, w<<16 | h);
MMIO_OUT32(pTrident->IOBase, 0x2124, GetCopyROP(ropcode) << 24 | bpp << 8 | 1);
}
Bool
XP4ExaInit(ScreenPtr pScreen)
{
ExaDriverPtr pExa;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
if (pTrident->NoAccel)
return FALSE;
if (!(pExa = pTrident->EXADriverPtr = exaDriverAlloc())) {
pTrident->NoAccel = TRUE;
return FALSE;
}
pExa->exa_major = 2;
pExa->exa_minor = 0;
pExa->flags = EXA_OFFSCREEN_PIXMAPS;
pExa->memoryBase = pTrident->FbBase;
pExa->memorySize = pTrident->FbMapSize;
pExa->offScreenBase = pScrn->displayWidth * pScrn->virtualY *
((pScrn->bitsPerPixel + 7) / 8);
pExa->pixmapOffsetAlign = 16;
pExa->pixmapPitchAlign = 16;
pExa->maxX = 4095;
pExa->maxY = 4095;
pExa->WaitMarker = XP4WaitMarker;
pExa->PrepareSolid = XP4PrepareSolid;
pExa->Solid = XP4Solid;
pExa->DoneSolid = XP4Done;
pExa->PrepareCopy = XP4PrepareCopy;
pExa->Copy = XP4Copy;
pExa->DoneCopy = XP4Done;
return(exaDriverInit(pScreen, pExa));
}
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