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xserver/hw/kdrive/smi/smidraw.c

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/*
* Id: smidraw.c,v 1.1 1999/11/02 03:54:47 keithp Exp $
*
* Copyright © 1999 Keith Packard
*
* 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*/
/* $XFree86: xc/programs/Xserver/hw/kdrive/smi/smidraw.c,v 1.7 2001/07/24 19:06:03 keithp Exp $ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "smi.h"
#include "smidraw.h"
#include <X11/Xmd.h>
#include "gcstruct.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "regionstr.h"
#include "mistruct.h"
#include "fontstruct.h"
#include "dixfontstr.h"
#include "fb.h"
#include "migc.h"
#include "miline.h"
#include "picturestr.h"
CARD8 smiBltRop[16] = {
/* GXclear */ 0x00, /* 0 */
/* GXand */ 0x88, /* src AND dst */
/* GXandReverse */ 0x44, /* src AND NOT dst */
/* GXcopy */ 0xcc, /* src */
/* GXandInverted*/ 0x22, /* NOT src AND dst */
/* GXnoop */ 0xaa, /* dst */
/* GXxor */ 0x66, /* src XOR dst */
/* GXor */ 0xee, /* src OR dst */
/* GXnor */ 0x11, /* NOT src AND NOT dst */
/* GXequiv */ 0x99, /* NOT src XOR dst */
/* GXinvert */ 0x55, /* NOT dst */
/* GXorReverse */ 0xdd, /* src OR NOT dst */
/* GXcopyInverted*/ 0x33, /* NOT src */
/* GXorInverted */ 0xbb, /* NOT src OR dst */
/* GXnand */ 0x77, /* NOT src OR NOT dst */
/* GXset */ 0xff, /* 1 */
};
CARD8 smiSolidRop[16] = {
/* GXclear */ 0x00, /* 0 */
/* GXand */ 0xa0, /* src AND dst */
/* GXandReverse */ 0x50, /* src AND NOT dst */
/* GXcopy */ 0xf0, /* src */
/* GXandInverted*/ 0x0a, /* NOT src AND dst */
/* GXnoop */ 0xaa, /* dst */
/* GXxor */ 0x5a, /* src XOR dst */
/* GXor */ 0xfa, /* src OR dst */
/* GXnor */ 0x05, /* NOT src AND NOT dst */
/* GXequiv */ 0xa5, /* NOT src XOR dst */
/* GXinvert */ 0x55, /* NOT dst */
/* GXorReverse */ 0xf5, /* src OR NOT dst */
/* GXcopyInverted*/ 0x0f, /* NOT src */
/* GXorInverted */ 0xaf, /* NOT src OR dst */
/* GXnand */ 0x5f, /* NOT src OR NOT dst */
/* GXset */ 0xff, /* 1 */
};
#define GET_STATUS(smic) smiGetIndex (smic, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x16)
#define ENGINE_IDLE_EMPTY(smic) ((GET_STATUS(smic) & 0x18) == 0x10)
#define FIFO_EMPTY(smic) ((GET_STATUS(smic) & 0x10) == 0x10)
#define MAX_FIFO 16
void
smiWaitAvail(SmiCardInfo *smic, int n)
{
if (smic->avail < n)
{
while (!FIFO_EMPTY (smic))
;
smic->avail = MAX_FIFO;
}
smic->avail -= n;
}
void
smiWaitIdle (SmiCardInfo *smic)
{
while (!ENGINE_IDLE_EMPTY (smic))
;
smic->avail = MAX_FIFO;
}
static SmiCardInfo *smic;
static SmiScreenInfo *smis;
static DPR *dpr;
static CARD32 accel_cmd;
static Bool
smiSetup (ScreenPtr pScreen, int wait)
{
KdScreenPriv(pScreen);
smis = getSmiScreenInfo (pScreenPriv);
smic = getSmiCardInfo(pScreenPriv);
dpr = smic->dpr;
if (!dpr)
return FALSE;
/* enable DPR/VPR registers */
smiSetIndex (smic, VGA_SEQ_INDEX, VGA_SEQ_DATA, 0x21,
smis->dpr_vpr_enable);
smiWaitAvail (smic, wait + 9);
dpr->src_stride = (smis->stride << 16) | smis->stride;
dpr->data_format = smis->data_format;
dpr->mask1 = 0xffffffff;
dpr->mask2 = 0xffffffff;
dpr->dst_stride = (smis->stride << 16) | smis->stride;
dpr->unknown_40 = 0x0;
dpr->unknown_44 = 0x0;
dpr->scissors_ul = 0x0;
dpr->scissors_lr = SMI_XY(4095,4095);
return TRUE;
}
static Bool
smiPrepareSolid (PixmapPtr pPixmap,
int alu,
Pixel pm,
Pixel fg)
{
if (~pm & FbFullMask(pPixmap->drawable.depth))
return FALSE;
if (!smiSetup (pPixmap->drawable.pScreen, 3))
return FALSE;
accel_cmd = smiSolidRop[alu] | SMI_BITBLT | SMI_START_ENGINE;
dpr->fg = fg;
dpr->mask3 = 0xffffffff;
dpr->mask4 = 0xffffffff;
return TRUE;
}
static void
smiSolid (int x1, int y1, int x2, int y2)
{
smiWaitAvail(smic,3);
dpr->dst_xy = SMI_XY(x1,y1);
dpr->dst_wh = SMI_XY(x2-x1,y2-y1);
dpr->accel_cmd = accel_cmd;
}
static void
smiDoneSolid (void)
{
}
static int copyDx;
static int copyDy;
static Bool
smiPrepareCopy (PixmapPtr pSrcPixmap,
PixmapPtr pDstPixmap,
int dx,
int dy,
int alu,
Pixel pm)
{
if (~pm & FbFullMask(pSrcPixmap->drawable.depth))
return FALSE;
if (!smiSetup (pSrcPixmap->drawable.pScreen, 0))
return FALSE;
accel_cmd = smiBltRop[alu] | SMI_BITBLT | SMI_START_ENGINE;
copyDx = dx;
copyDy = dy;
if (dy < 0 || (dy == 0 && dx < 0))
accel_cmd |= SMI_RIGHT_TO_LEFT;
return TRUE;
}
static void
smiCopy (int srcX,
int srcY,
int dstX,
int dstY,
int w,
int h)
{
if (accel_cmd & SMI_RIGHT_TO_LEFT)
{
srcX += w - 1;
dstX += w - 1;
srcY += h - 1;
dstY += h - 1;
}
smiWaitAvail (smic, 4);
dpr->src_xy = SMI_XY (srcX, srcY);
dpr->dst_xy = SMI_XY (dstX, dstY);
dpr->dst_wh = SMI_XY (w, h);
dpr->accel_cmd = accel_cmd;
}
static void
smiDoneCopy (void)
{
}
KaaScreenInfoRec smiKaa = {
smiPrepareSolid,
smiSolid,
smiDoneSolid,
smiPrepareCopy,
smiCopy,
smiDoneCopy,
};
Bool
smiDrawInit (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
smiCardInfo (pScreenPriv);
ENTER ();
if (pScreenPriv->screen->fb[0].depth == 4)
{
LEAVE ();
return FALSE;
}
if (!smic->dpr)
{
LEAVE ();
return FALSE;
}
if (!kaaDrawInit (pScreen, &smiKaa))
{
LEAVE ();
return FALSE;
}
LEAVE ();
return TRUE;
}
void
smiDrawEnable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
int i;
static const int xyAddress[] = { 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048 };
ENTER ();
smis = getSmiScreenInfo (pScreenPriv);
smic = getSmiCardInfo(pScreenPriv);
dpr = smic->dpr;
smis->stride = pScreenPriv->screen->fb[0].byteStride;
smis->dpr_vpr_enable = smiGetIndex (smic, VGA_SEQ_INDEX,
VGA_SEQ_DATA, 0x21) & ~0x03;
switch (pScreenPriv->screen->fb[0].depth) {
case 8:
smis->data_format = 0x00000000;
break;
case 15:
case 16:
smis->data_format = 0x00100000;
smis->stride >>= 1;
break;
case 24:
smis->data_format = 0x00300000;
break;
case 32:
smis->data_format = 0x00200000;
smis->stride >>= 2;
break;
}
for (i = 0; i < sizeof(xyAddress) / sizeof(xyAddress[0]); i++)
{
if (xyAddress[i] == pScreenPriv->screen->fb[0].pixelStride)
{
smis->data_format |= i << 16;
break;
}
}
smiSetup (pScreen, 0);
KdMarkSync (pScreen);
LEAVE ();
}
void
smiDrawDisable (ScreenPtr pScreen)
{
ENTER ();
smic = 0;
smis = 0;
dpr = 0;
accel_cmd = 0;
LEAVE ();
}
void
smiDrawFini (ScreenPtr pScreen)
{
ENTER ();
LEAVE ();
}
void
smiDrawSync (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
smic = getSmiCardInfo(pScreenPriv);
smiWaitIdle (smic);
}
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