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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/imstt/imstt_accel.c,v 1.5 2001/04/05 21:29:14 dawes Exp $ */
/*
* Copyright 2000 Ani Joshi <ajoshi@unixbox.com>
*
*
* 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 Ani Joshi not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Ani Joshi makes no representations
* about the suitability of this software for any purpose. It is provided
* "as-is" without express or implied warranty.
*
* ANI JOSHI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ANI JOSHI 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.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <X11/Xarch.h>
#include "xf86.h"
#include "xf86_ansic.h"
#include "compiler.h"
#include "xf86_OSproc.h"
#include "xaa.h"
#include "xf86PciInfo.h"
#include "imstt.h"
#include "imstt_reg.h"
static void IMSTTSync(ScrnInfoPtr pScrn)
{
IMSTTPtr iptr = IMSTTPTR(pScrn);
/* IMSTTMMIO_VARS(); */
while(INREG(IMSTT_SSTATUS) & 0x80);
while(INREG(IMSTT_SSTATUS) & 0x40);
return;
}
static void IMSTTSetupForSolidFill(ScrnInfoPtr pScrn, int color,
int rop, unsigned int planemask)
{
IMSTTPtr iptr = IMSTTPTR(pScrn);
/* IMSTTMMIO_VARS(); */
switch (pScrn->depth) {
case 8:
iptr->color = color | (color << 8) | (color << 16) | (color << 24);
break;
case 15:
case 16:
iptr->color = color | (color << 8) | (color << 16);
break;
default:
iptr->color = color;
break;
}
}
static void IMSTTSubsequentSolidFillRect(ScrnInfoPtr pScrn,
int x, int y, int w, int h)
{
IMSTTPtr iptr = IMSTTPTR(pScrn);
/* IMSTTMMIO_VARS(); */
x *= (pScrn->bitsPerPixel >> 3);
y *= iptr->ll;
w *= (pScrn->bitsPerPixel >> 3);
h--;
w--;
while(INREG(IMSTT_SSTATUS) & 0x80);
OUTREG(IMSTT_DSA, x + y);
OUTREG(IMSTT_CNT, (h << 16) | w);
OUTREG(IMSTT_DP_OCTL, iptr->ll);
OUTREG(IMSTT_SP, iptr->ll);
OUTREG(IMSTT_BI, 0xffffffff);
OUTREG(IMSTT_MBC, 0xffffffff);
OUTREG(IMSTT_CLR, iptr->color);
if (iptr->rev == 2)
OUTREG(IMSTT_BLTCTL, 0x200000);
else
OUTREG(IMSTT_BLTCTL, 0x840);
while(INREG(IMSTT_SSTATUS) & 0x80);
while(INREG(IMSTT_SSTATUS) & 0x40);
}
static void IMSTTSetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir,
int ydir, int rop, unsigned int planemask,
int trans_color)
{
IMSTTPtr iptr = IMSTTPTR(pScrn);
/* IMSTTMMIO_VARS(); */
unsigned long sp, dp, ll;
iptr->bltctl = 0x05;
ll = pScrn->displayWidth * (pScrn->bitsPerPixel >> 3);
ll = iptr->ll;
sp = ll << 16;
if (xdir < 0) {
iptr->bltctl |= 0x80;
iptr->cnt = 1;
} else {
iptr->cnt = 0;
}
if (ydir < 0) {
sp |= -(ll) & 0xffff;
dp = -(ll) & 0xffff;
iptr->ydir = 1;
} else {
sp |= ll;
dp = ll;
iptr->ydir = 0;
}
iptr->sp = sp;
iptr->dp = dp;
iptr->ll = ll;
}
static void IMSTTSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn,
int x1, int y1,
int x2, int y2,
int w, int h)
{
IMSTTPtr iptr = IMSTTPTR(pScrn);
/* IMSTTMMIO_VARS(); */
unsigned long cnt;
x1 *= (pScrn->bitsPerPixel >> 3);
x2 *= (pScrn->bitsPerPixel >> 3);
w *= (pScrn->bitsPerPixel >> 3);
w--;
h--;
cnt = h << 16;
if (iptr->cnt) {
x1 += w;
x2 += w;
cnt |= -(w) & 0xffff;
}
else
cnt |= w;
if (iptr->ydir) {
y1 += h;
y2 += h;
}
OUTREG(IMSTT_S1SA, y1 * iptr->ll + x1);
OUTREG(IMSTT_SP, iptr->sp);
OUTREG(IMSTT_DSA, y2 * iptr->ll + x2);
OUTREG(IMSTT_CNT, cnt);
OUTREG(IMSTT_DP_OCTL, iptr->dp);
OUTREG(IMSTT_BLTCTL, iptr->bltctl);
while(INREG(IMSTT_SSTATUS) & 0x80);
while(INREG(IMSTT_SSTATUS) & 0x40);
}
Bool IMSTTAccelInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
IMSTTPtr iptr = IMSTTPTR(pScrn);
XAAInfoRecPtr xaaptr;
if (!(xaaptr = iptr->AccelInfoRec = XAACreateInfoRec()))
return FALSE;
iptr->ll = pScrn->displayWidth * (pScrn->bitsPerPixel >> 3);
switch (pScrn->bitsPerPixel) {
case 16:
iptr->screen_width = iptr->pitch >> 1;
break;
case 24:
case 32:
iptr->screen_width = iptr->pitch >> 2;
break;
default:
iptr->screen_width = iptr->pitch = iptr->ll;
break;
}
xaaptr->Flags = (PIXMAP_CACHE | OFFSCREEN_PIXMAPS | LINEAR_FRAMEBUFFER);
xaaptr->Sync = IMSTTSync;
if (pScrn->bitsPerPixel == 8) {
/* FIXME fills are broken > 8bpp, iptr->color needs to be setup right */
xaaptr->SetupForSolidFill = IMSTTSetupForSolidFill;
xaaptr->SubsequentSolidFillRect = IMSTTSubsequentSolidFillRect;
}
xaaptr->ScreenToScreenCopyFlags = NO_TRANSPARENCY;
xaaptr->SetupForScreenToScreenCopy = IMSTTSetupForScreenToScreenCopy;
xaaptr->SubsequentScreenToScreenCopy = IMSTTSubsequentScreenToScreenCopy;
return XAAInit(pScreen, xaaptr);
}
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