From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001
From: Reinhard Tartler <siretart@tauware.de>
Date: Mon, 10 Oct 2011 17:43:39 +0200
Subject: Imported nx-X11-3.1.0-1.tar.gz

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository
---
 .../Xserver/hw/xfree86/os-support/bsd/ppc_video.c  | 141 +++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/ppc_video.c

(limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/ppc_video.c')

diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/ppc_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/ppc_video.c
new file mode 100644
index 000000000..edcb20c1b
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/ppc_video.c
@@ -0,0 +1,141 @@
+/* $XFree86: ppc_video.c,v 1.5 2003/03/14 13:46:04 tsi Exp $ */
+/*
+ * Copyright 1992 by Rich Murphey <Rich@Rice.edu>
+ * Copyright 1993 by David Wexelblat <dwex@goblin.org>
+ *
+ * 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 names of Rich Murphey and David Wexelblat 
+ * not be used in advertising or publicity pertaining to distribution of 
+ * the software without specific, written prior permission.  Rich Murphey and
+ * David Wexelblat make no representations about the suitability of this 
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ *
+ * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO 
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+ * FITNESS, IN NO EVENT SHALL RICH MURPHEY OR DAVID WEXELBLAT 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.
+ *
+ */
+
+/* $XConsortium: bsd_video.c /main/10 1996/10/25 11:37:57 kaleb $ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include "xf86.h"
+#include "xf86Priv.h"
+
+#include "xf86_OSlib.h"
+#include "xf86OSpriv.h"
+
+#include "bus/Pci.h"
+
+#ifndef MAP_FAILED
+#define MAP_FAILED ((caddr_t)-1)
+#endif
+
+
+/***************************************************************************/
+/* Video Memory Mapping section                                            */
+/***************************************************************************/
+
+#ifndef __OpenBSD__
+#define DEV_MEM "/dev/mem"
+#else
+#define DEV_MEM "/dev/xf86"
+#endif
+
+static pointer ppcMapVidMem(int, unsigned long, unsigned long, int flags);
+static void ppcUnmapVidMem(int, pointer, unsigned long);
+
+void
+xf86OSInitVidMem(VidMemInfoPtr pVidMem)
+{
+	pVidMem->linearSupported = TRUE;
+	pVidMem->mapMem = ppcMapVidMem;
+	pVidMem->unmapMem = ppcUnmapVidMem;
+	pVidMem->initialised = TRUE;
+}
+
+
+volatile unsigned char *ioBase = MAP_FAILED;
+
+static pointer
+ppcMapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags)
+{
+	int fd = xf86Info.screenFd;
+	pointer base;
+#ifdef DEBUG
+	xf86MsgVerb(X_INFO, 3, "mapVidMem %lx, %lx, fd = %d", 
+		    Base, Size, fd);
+#endif
+
+	base = mmap(0, Size,
+		    (flags & VIDMEM_READONLY) ?
+		     PROT_READ : (PROT_READ | PROT_WRITE),
+		    MAP_SHARED, fd, Base);
+	if (base == MAP_FAILED)
+		FatalError("%s: could not mmap screen [s=%x,a=%x] (%s)",
+			   "xf86MapVidMem", Size, Base, strerror(errno));
+
+	return base;
+}
+
+static void
+ppcUnmapVidMem(int ScreenNum, pointer Base, unsigned long Size)
+{
+	munmap(Base, Size);
+}
+
+int
+xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
+	     int Len)
+{
+	int rv;
+	static int kmem = -1;
+
+	if (kmem == -1) {
+		kmem = open(DEV_MEM, 2);
+		if (kmem == -1) {
+			FatalError("xf86ReadBIOS: open %s", DEV_MEM);
+		}
+	}
+
+#ifdef DEBUG
+	xf86MsgVerb(X_INFO, 3, "xf86ReadBIOS() %lx %lx, %x\n", 
+		    Base, Offset, Len);
+#endif
+
+
+	lseek(kmem, Base + Offset, 0);
+	rv = read(kmem, Buf, Len);
+
+	return rv;
+}
+
+/***************************************************************************/
+/* Interrupt Handling section                                              */
+/***************************************************************************/
+
+Bool
+xf86DisableInterrupts()
+{
+
+	return(TRUE);
+}
+
+void
+xf86EnableInterrupts()
+{
+
+	return;
+}
-- 
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