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xenocara/xserver/hw/kdrive/chips/chipsdraw.c
matthieu b14d6de7aa xserver 1.4
2007-11-24 17:55:21 +00:00

492 lines
12 KiB
C
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/*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "chips.h"
#include <X11/Xmd.h>
#include "gcstruct.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "regionstr.h"
#include "mistruct.h"
#include "dixfontstr.h"
#include "fb.h"
#include "migc.h"
#include "miline.h"
#include "kaa.h"
CARD8 chipsBltRop[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 chipsSolidRop[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 */
};
/* Definitions for the Chips and Technology BitBLT engine communication. */
/* These are done using Memory Mapped IO, of the registers */
/* BitBLT modes for register 93D0. */
#ifdef HIQV
#define ctPATCOPY 0xF0
#define ctLEFT2RIGHT 0x000
#define ctRIGHT2LEFT 0x100
#define ctTOP2BOTTOM 0x000
#define ctBOTTOM2TOP 0x200
#define ctSRCSYSTEM 0x400
#define ctDSTSYSTEM 0x800
#define ctSRCMONO 0x1000
#define ctBGTRANSPARENT 0x22000
#define ctCOLORTRANSENABLE 0x4000
#define ctCOLORTRANSDISABLE 0x0
#define ctCOLORTRANSDST 0x8000
#define ctCOLORTRANSROP 0x0
#define ctCOLORTRANSEQUAL 0x10000L
#define ctCOLORTRANSNEQUAL 0x0
#define ctPATMONO 0x40000L
#define ctPATSOLID 0x80000L
#define ctPATSTART0 0x000000L
#define ctPATSTART1 0x100000L
#define ctPATSTART2 0x200000L
#define ctPATSTART3 0x300000L
#define ctPATSTART4 0x400000L
#define ctPATSTART5 0x500000L
#define ctPATSTART6 0x600000L
#define ctPATSTART7 0x700000L
#define ctSRCFG 0x000000L /* Where is this for the 65550?? */
#else
#define ctPATCOPY 0xF0
#define ctTOP2BOTTOM 0x100
#define ctBOTTOM2TOP 0x000
#define ctLEFT2RIGHT 0x200
#define ctRIGHT2LEFT 0x000
#define ctSRCFG 0x400
#define ctSRCMONO 0x800
#define ctPATMONO 0x1000
#define ctBGTRANSPARENT 0x2000
#define ctSRCSYSTEM 0x4000
#define ctPATSOLID 0x80000L
#define ctPATSTART0 0x00000L
#define ctPATSTART1 0x10000L
#define ctPATSTART2 0x20000L
#define ctPATSTART3 0x30000L
#define ctPATSTART4 0x40000L
#define ctPATSTART5 0x50000L
#define ctPATSTART6 0x60000L
#define ctPATSTART7 0x70000L
#endif
#define chipsFillPix(bpp,pixel) {\
if (bpp == 8) \
{ \
pixel = pixel & 0xff; \
} \
else if (bpp == 16) \
{ \
pixel = pixel & 0xffff; \
} \
}
static VOL8 *mmio;
static CARD32 byteStride;
static CARD32 bytesPerPixel;
static CARD32 pixelStride;
static void
chipsSet (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
chipsScreenInfo(pScreenPriv);
mmio = chipss->mmio_base;
byteStride = pScreenPriv->screen->fb[0].byteStride;
bytesPerPixel = pScreenPriv->screen->fb[0].bitsPerPixel >> 3;
pixelStride = pScreenPriv->screen->fb[0].pixelStride;
}
#ifdef HIQV
#define CHIPS_BR0 0x00 /* offset */
#define CHIPS_BR1 0x04 /* bg */
#define CHIPS_BR2 0x08 /* fg */
#define CHIPS_BR3 0x0c /* monochrome */
#define CHIPS_BR4 0x10 /* bitblt */
#define CHIPS_BR5 0x14 /* pattern addr */
#define CHIPS_BR6 0x18 /* source addr */
#define CHIPS_BR7 0x1c /* dst addr */
#define CHIPS_BR8 0x20 /* dst w/h */
#else
#define CHIPS_DR0 0x83d0
#define CHIPS_DR1 0x87d0
#define CHIPS_DR2 0x8bd0
#define CHIPS_DR3 0x8fd0
#define CHIPS_DR4 0x93d0
#define CHIPS_DR5 0x97d0
#define CHIPS_DR6 0x9bd0
#define CHIPS_DR7 0x9fd0
#endif
#define DBG(x)
static void
chipsPitch (int src, int dst)
{
CARD32 p;
p = ((dst & 0xffff) << 16) | (src & 0xffff);
DBG(ErrorF ("\tpitch 0x%x\n", p));
#ifdef HIQV
*(VOL32 *) (mmio + CHIPS_BR0) = p;
#else
*(VOL32 *) (mmio + CHIPS_DR0) = p;
#endif
}
static void
chipsBg (Pixel bg)
{
DBG(ErrorF ("\tbg 0x%x\n", bg));
#ifdef HIQV
*(VOL32 *) (mmio + CHIPS_BR1) = bg & 0xffff;
#else
*(VOL32 *) (mmio + CHIPS_DR2) = bg;
#endif
}
static void
chipsFg (Pixel fg)
{
DBG(ErrorF ("\tfg 0x%x\n", fg));
#ifdef HIQV
*(VOL32 *) (mmio + CHIPS_BR2) = fg;
#else
*(VOL32 *) (mmio + CHIPS_DR3) = fg;
#endif
}
static void
chipsOp (CARD32 op)
{
DBG(ErrorF ("\top 0x%x\n", op));
#ifdef HIQV
*(VOL32 *) (mmio + CHIPS_BR4) = op;
#else
*(VOL32 *) (mmio + CHIPS_DR4) = op;
#endif
}
static void
chipsRopSolid (int rop)
{
CARD32 op;
op = chipsSolidRop[rop] | ctTOP2BOTTOM | ctLEFT2RIGHT | ctPATSOLID | ctPATMONO;
chipsOp (op);
}
static void
chipsSrc (int addr)
{
DBG(ErrorF ("\tsrc 0x%x\n", addr));
#ifdef HIQV
*(VOL32 *) (mmio + CHIPS_BR6) = addr;
#else
*(VOL32 *) (mmio + CHIPS_DR5) = addr;
#endif
}
static void
chipsDst (int addr)
{
DBG(ErrorF ("\tdst 0x%x\n", addr));
#ifdef HIQV
*(VOL32 *) (mmio + CHIPS_BR7) = addr;
#else
*(VOL32 *) (mmio + CHIPS_DR6) = addr;
#endif
}
static void
chipsWidthHeightGo (int w, int h)
{
DBG(ErrorF ("\twidth height %d/%d\n", w, h));
#ifdef HIQV
*(VOL32 *) (mmio + CHIPS_BR8) = ((h & 0xffff) << 16) | (w & 0xffff);
#else
*(VOL32 *) (mmio + CHIPS_DR7) = ((h & 0xffff) << 16) | (w & 0xffff);
#endif
}
static void
chipsWaitIdle (void)
{
#ifdef HIQV
int timeout = 0;
CARD8 tmp;
VOL32 *br4 = (VOL32 *) (mmio + CHIPS_BR4);
DBG(ErrorF ("\tBR4 0x%x 0x%x\n", mmio + CHIPS_BR4, *br4));
DBG(ErrorF ("\tXR20 0x%x\n", chipsReadXR (0, 0x20)));
for (;;)
{
if ((*br4 & 0x80000000) == 0)
break;
tmp = chipsReadXR (0, 0x20);
if ((tmp & 1) == 0)
break;
if (++timeout > 1000000)
{
ErrorF ("timeout\n");
tmp = chipsReadXR (0, 0x20);
chipsWriteXR (0, 0x20, tmp | 2);
sleep (1);
chipsWriteXR (0, 0x20, tmp);
sleep (1);
}
}
#else
while (*(VOL32 *) (mmio + CHIPS_DR4) & 0x00100000)
;
#endif
}
static void
chipsWaitMarker (ScreenPtr pScreen, int marker)
{
chipsSet (pScreen);
chipsWaitIdle ();
}
static Bool
chipsPrepareSolid (PixmapPtr pPixmap,
int alu,
Pixel pm,
Pixel fg)
{
FbBits depthMask;
DBG(ErrorF ("PrepareSolid %d 0x%x\n", alu, fg));
depthMask = FbFullMask(pPixmap->drawable.depth);
if ((pm & depthMask) != depthMask)
return FALSE;
else
{
chipsSet (pPixmap->drawable.pScreen);
chipsWaitIdle ();
chipsFillPix(pPixmap->drawable.bitsPerPixel,fg);
chipsFg (fg);
chipsBg (fg);
chipsRopSolid (alu);
chipsPitch (byteStride, byteStride);
return TRUE;
}
}
static void
chipsSolid (int x1, int y1, int x2, int y2)
{
CARD32 dst;
int w, h;
DBG(ErrorF (" Solid %dx%d %dx%d\n", x1, y1, x2, y2));
dst = y1 * byteStride + x1 * bytesPerPixel;
w = (x2 - x1) * bytesPerPixel;
h = (y2 - y1);
chipsWaitIdle ();
chipsDst (dst);
chipsWidthHeightGo (w, h);
}
static void
chipsDoneSolid (void)
{
}
static CARD32 copyOp;
static Bool
chipsPrepareCopy (PixmapPtr pSrcPixmap,
PixmapPtr pDstPixmap,
int dx,
int dy,
int alu,
Pixel pm)
{
FbBits depthMask;
DBG(ErrorF ("PrepareSolid %d 0x%x\n", alu, fg));
depthMask = FbFullMask(pDstPixmap->drawable.depth);
if ((pm & depthMask) != depthMask)
return FALSE;
else
{
copyOp = chipsBltRop[alu];
if (dy >= 0)
copyOp |= ctTOP2BOTTOM;
else
copyOp |= ctBOTTOM2TOP;
if (dx >= 0)
copyOp |= ctLEFT2RIGHT;
else
copyOp |= ctRIGHT2LEFT;
chipsSet (pDstPixmap->drawable.pScreen);
chipsWaitIdle ();
chipsOp (copyOp);
chipsPitch (byteStride, byteStride);
return TRUE;
}
}
static void
chipsCopy (int srcX,
int srcY,
int dstX,
int dstY,
int w,
int h)
{
int src, dst;
if ((copyOp & (ctTOP2BOTTOM|ctBOTTOM2TOP)) == ctBOTTOM2TOP)
{
src = (srcY + h - 1) * byteStride;
dst = (dstY + h - 1) * byteStride;
}
else
{
src = srcY * byteStride;
dst = dstY * byteStride;
}
if ((copyOp & (ctLEFT2RIGHT|ctRIGHT2LEFT)) == ctRIGHT2LEFT)
{
src = src + (srcX + w) * bytesPerPixel - 1;
dst = dst + (dstX + w) * bytesPerPixel - 1;
}
else
{
src = src + srcX * bytesPerPixel;
dst = dst + dstX * bytesPerPixel;
}
chipsWaitIdle ();
chipsSrc (src);
chipsDst (dst);
chipsWidthHeightGo (w * bytesPerPixel, h);
}
static void
chipsDoneCopy (void)
{
}
Bool
chipsDrawInit (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
chipsScreenInfo(pScreenPriv);
switch (pScreenPriv->screen->fb[0].bitsPerPixel) {
case 8:
case 16:
break;
default:
return FALSE;
}
memset(&chipss->kaa, 0, sizeof(KaaScreenInfoRec));
chipss->kaa.waitMarker = chipsWaitMarker;
chipss->kaa.PrepareSolid = chipsPrepareSolid;
chipss->kaa.Solid = chipsSolid;
chipss->kaa.DoneSolid = chipsDoneSolid;
chipss->kaa.PrepareCopy = chipsPrepareCopy;
chipss->kaa.Copy = chipsCopy;
chipss->kaa.DoneCopy = chipsDoneCopy;
if (!kaaDrawInit (pScreen, &chipss->kaa))
return FALSE;
return TRUE;
}
void
chipsDrawEnable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
chipsScreenInfo(pScreenPriv);
CARD8 mode = 0x00;
switch (pScreenPriv->screen->fb[0].bitsPerPixel) {
case 8:
mode = 0x00;
break;
case 16:
mode = 0x10;
break;
}
chipsSet (pScreen);
chipsWaitIdle ();
chipsWriteXR (chipss, 0x20, mode);
kaaMarkSync (pScreen);
}
void
chipsDrawDisable (ScreenPtr pScreen)
{
}
void
chipsDrawFini (ScreenPtr pScreen)
{
}
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