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Diffstat (limited to 'xorg-server/hw/kdrive/smi/smidraw.c')
-rw-r--r--xorg-server/hw/kdrive/smi/smidraw.c340
1 files changed, 340 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/smi/smidraw.c b/xorg-server/hw/kdrive/smi/smidraw.c
new file mode 100644
index 000000000..ba4e3904d
--- /dev/null
+++ b/xorg-server/hw/kdrive/smi/smidraw.c
@@ -0,0 +1,340 @@
+/*
+ * 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 "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 "dixfontstr.h"
+#include "fb.h"
+#include "migc.h"
+#include "miline.h"
+#include "picturestr.h"
+#include "kaa.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 void
+smiWaitMarker (ScreenPtr pScreen, int marker)
+{
+ KdScreenPriv(pScreen);
+ smic = getSmiCardInfo(pScreenPriv);
+
+ smiWaitIdle (smic);
+}
+
+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)
+{
+}
+
+
+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;
+ }
+
+ memset(&smis->kaa, 0, sizeof(KaaScreenInfoRec));
+ smis->kaa.PrepareSolid = smiPrepareSolid;
+ smis->kaa.Solid = smiSolid;
+ smis->kaa.DoneSolid = smiDoneSolid;
+ smis->kaa.PrepareCopy = smiPrepareCopy;
+ smis->kaa.Copy = smiCopy;
+ smis->kaa.DoneCopy = smiDoneCopy;
+ smis->kaa.waitMarker = smiWaitMarker;
+
+ if (!kaaDrawInit (pScreen, &smis->kaa))
+ {
+ 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);
+ kaaMarkSync (pScreen);
+ LEAVE ();
+}
+
+void
+smiDrawDisable (ScreenPtr pScreen)
+{
+ ENTER ();
+ smic = 0;
+ smis = 0;
+ dpr = 0;
+ accel_cmd = 0;
+ LEAVE ();
+}
+
+void
+smiDrawFini (ScreenPtr pScreen)
+{
+ ENTER ();
+ LEAVE ();
+}