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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/common/xf86isaBus.c
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86isaBus.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86isaBus.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86isaBus.c b/xorg-server/hw/xfree86/common/xf86isaBus.c
new file mode 100644
index 000000000..3abad38ef
--- /dev/null
+++ b/xorg-server/hw/xfree86/common/xf86isaBus.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 1997-2000 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+
+/*
+ * This file contains the interfaces to the bus-specific code
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <X11/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.
+ */
+
+_X_EXPORT 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.
+ */
+
+_X_EXPORT 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.
+ */
+
+_X_EXPORT Bool
+xf86IsPrimaryIsa(void)
+{
+ return ( primaryBus.type == BUS_ISA );
+}
+
+void
+isaConvertRange2Host(resRange *pRange)
+{
+ return;
+}