1 files changed, 93 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/vgaVideo.h b/xorg-server/hw/xfree86/xf4bpp/vgaVideo.h
new file mode 100644
index 000000000..60afa5bb6
--- /dev/null
+++ b/xorg-server/hw/xfree86/xf4bpp/vgaVideo.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright IBM Corporation 1987,1988,1989
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * 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 IBM not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ *
+ * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * IBM 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_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "misc.h"	/* GJA -- for pointer data type */
+#ifdef lint
+#if defined(volatile)
+#undef volatile
+#endif
+#define volatile /**/
+#if defined(const)
+#undef const
+#endif
+#define const /**/
+#if defined(signed)
+#undef signed
+#endif
+#define signed /**/
+#endif
+
+/*
+ * References to all pc ( i.e. '286 ) memory in the
+ * regions used by the [ev]ga server ( the 128K windows )
+ * MUST be long-word ( i.e. 32-bit ) reads or writes.
+ * This definition will change for other memory architectures
+ * ( e.g. AIX-Rt )
+ */
+typedef unsigned char VideoAdapterObject ;
+typedef volatile VideoAdapterObject *VideoMemoryPtr ;
+typedef volatile VideoAdapterObject *VgaMemoryPtr ;
+#if !defined(BITMAP_BIT_ORDER)
+#define BITMAP_BIT_ORDER MSBFirst
+#endif
+
+#if !defined(IMAGE_BYTE_ORDER)
+#define IMAGE_BYTE_ORDER LSBFirst
+#endif
+
+/* Bit Ordering Macros */
+#if !defined(SCRLEFT8)
+#define SCRLEFT8(lw, n)	( (unsigned char) (((unsigned char) lw) << (n)) )
+#endif
+#if !defined(SCRRIGHT8)
+#define SCRRIGHT8(lw, n)	( (unsigned char) (((unsigned char)lw) >> (n)) )
+#endif
+/* These work ONLY on 8-bit wide Quantities !! */
+#define LeftmostBit ( SCRLEFT8( 0xFF, 7 ) & 0xFF )
+#define RightmostBit ( SCRRIGHT8( 0xFF, 7 ) & 0xFF )
+
+/*
+ * [ev]ga video screen defines & macros
+ */
+#define VGA_BLACK_PIXEL 0
+#define VGA_WHITE_PIXEL 1
+
+#define VGA_MAXPLANES 4
+#define VGA_ALLPLANES 0xFL
+
+#define VIDBASE(pDraw) ((volatile unsigned char *) \
+	(((PixmapPtr)(((DrawablePtr)(pDraw))->pScreen->devPrivate))-> \
+		devPrivate.ptr))
+#define BYTES_PER_LINE(pDraw) \
+   ((int)((PixmapPtr)(((DrawablePtr)(pDraw))->pScreen->devPrivate))->devKind)
+
+#define ROW_OFFSET( x ) ( ( x ) >> 3 )
+#define BIT_OFFSET( x ) ( ( x ) & 0x7 )
+#define SCREENADDRESS( pWin, x, y ) \
+	( VIDBASE(pWin) + (y) * BYTES_PER_LINE(pWin) + ROW_OFFSET(x) )
+
+