Initial revision

1 files changed, 70 insertions, 0 deletions

diff --git a/hw/xfree86/common/xf86fbBus.c b/hw/xfree86/common/xf86fbBus.c
new file mode 100644
index 000000000..8fcf9b817
--- /dev/null
+++ b/hw/xfree86/common/xf86fbBus.c
@@ -0,0 +1,70 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86fbBus.c,v 1.2 2001/10/28 03:33:19 tsi Exp $ */
+
+/*
+ * Copyright (c) 2000 by The XFree86 Project, Inc.
+ */
+
+/*
+ * This file contains the interfaces to the bus-specific code
+ */
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "X.h"
+#include "os.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86Resources.h"
+
+#include "xf86Bus.h"
+
+#define XF86_OS_PRIVS
+#define NEED_OS_RAC_PROTOS
+#include "xf86_OSproc.h"
+
+#include "xf86RAC.h"
+
+Bool fbSlotClaimed = FALSE;
+
+int
+xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active)
+{
+    EntityPtr p;
+    int num;
+    
+    num = xf86AllocateEntity();
+    p = xf86Entities[num];
+    p->driver = drvp;
+    p->chipset = 0;
+    p->busType = BUS_NONE;
+    p->active = active;
+    p->inUse = FALSE;
+    xf86AddDevToEntity(num, dev);
+    p->access = xnfcalloc(1,sizeof(EntityAccessRec));
+    p->access->fallback = &AccessNULL;
+    p->access->pAccess = &AccessNULL;
+    p->busAcc = NULL;
+
+    fbSlotClaimed = TRUE;
+    return num;
+}
+
+/*
+ * Get the list of FB "slots" claimed by a screen
+ */
+int
+xf86GetFbInfoForScreen(int scrnIndex)
+{
+    int num = 0;
+    int i;
+    EntityPtr p;
+    
+    for (i = 0; i < xf86Screens[scrnIndex]->numEntities; i++) {
+	p = xf86Entities[xf86Screens[scrnIndex]->entityList[i]];
+  	if (p->busType == BUS_NONE) {
+  	    num++;
+  	}
+    }
+    return num;
+}