1 files changed, 115 insertions, 0 deletions
diff --git a/hw/xfree86/common/xf86isaBus.c b/hw/xfree86/common/xf86isaBus.c
new file mode 100644
index 000000000..cfe6ed000
--- /dev/null
+++ b/hw/xfree86/common/xf86isaBus.c
@@ -0,0 +1,115 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86isaBus.c,v 3.5 2000/12/06 15:35:11 eich Exp $ */
+
+/*
+ * Copyright (c) 1997-1999 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 isaSlotClaimed = FALSE;
+
+/*
+ * If the slot requested is already in use, return FALSE.
+ * Otherwise, claim the slot for the screen requesting it.
+ */
+
+int
+xf86ClaimIsaSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active)
+{
+    EntityPtr p;
+    BusAccPtr pbap = xf86BusAccInfo;
+    int num;
+    
+    num = xf86AllocateEntity();
+    p = xf86Entities[num];
+    p->driver = drvp;
+    p->chipset = chipset;
+    p->busType = BUS_ISA;
+    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;
+    while (pbap) {
+	if (pbap->type == BUS_ISA)
+	    p->busAcc = pbap;
+	pbap = pbap->next;
+    }
+    isaSlotClaimed = TRUE;
+    return num;
+}
+
+/*
+ * Get the list of ISA "slots" claimed by a screen
+ *
+ * Note: The ISA implementation here assumes that only one ISA "slot" type
+ * can be claimed by any one screen.  That means a return value other than
+ * 0 or 1 isn't useful.
+ */
+int
+xf86GetIsaInfoForScreen(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_ISA) {
+  	    num++;
+  	}
+    }
+    return num;
+}
+
+/*
+ * Parse a BUS ID string, and return True if it is a ISA bus id.
+ */
+
+Bool
+xf86ParseIsaBusString(const char *busID)
+{
+    /*
+     * The format assumed to be "isa" or "isa:"
+     */
+    return (StringToBusType(busID,NULL) == BUS_ISA);
+}
+
+
+/*
+ * xf86IsPrimaryIsa() -- return TRUE if primary device
+ * is ISA.
+ */
+ 
+Bool
+xf86IsPrimaryIsa(void)
+{
+    return ( primaryBus.type == BUS_ISA );
+}
+
+void
+isaConvertRange2Host(resRange *pRange)
+{
+    return;
+}