Bus: Remove ISA support.

No, really.  PCI is old enough to drive now.  If you want this, get the kernel
to expose a framebuffer device.

12 files changed, 14 insertions, 474 deletions

diff --git a/hw/xfree86/common/Makefile.am b/hw/xfree86/common/Makefile.am
index 06d53c14b..d3202bcfc 100644
--- a/hw/xfree86/common/Makefile.am
+++ b/hw/xfree86/common/Makefile.am
@@ -14,7 +14,7 @@ XISOURCES = xf86Xinput.c xisb.c
 XISDKINCS = xf86Xinput.h xisb.h
 RANDRSOURCES = xf86RandR.c
 
-BUSSOURCES = xf86isaBus.c xf86pciBus.c xf86fbBus.c xf86noBus.c $(SBUS_SOURCES)
+BUSSOURCES = xf86pciBus.c xf86fbBus.c xf86noBus.c $(SBUS_SOURCES)
 
 MODEDEFSOURCES = $(srcdir)/vesamodes $(srcdir)/extramodes
 
diff --git a/hw/xfree86/common/xf86.h b/hw/xfree86/common/xf86.h
index 4432c551b..e1f1b7051 100644
--- a/hw/xfree86/common/xf86.h
+++ b/hw/xfree86/common/xf86.h
@@ -66,7 +66,6 @@ extern ScrnInfoPtr *xf86Screens;	/* List of pointers to ScrnInfoRecs */
 extern const unsigned char byte_reversed[256];
 extern ScrnInfoPtr xf86CurrentScreen;
 extern Bool pciSlotClaimed;
-extern Bool isaSlotClaimed;
 extern Bool fbSlotClaimed;
 #if defined(__sparc__) || defined(__sparc)
 extern Bool sbusSlotClaimed;
@@ -103,16 +102,12 @@ Bool xf86ParsePciBusString(const char *busID, int *bus, int *device,
 Bool xf86ComparePciBusString(const char *busID, int bus, int device, int func);
 void xf86FormatPciBusNumber(int busnum, char *buffer);
 resPtr xf86AddRangesToList(resPtr list, resRange *pRange, int entityIndex);
-int xf86ClaimIsaSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active);
-int xf86GetIsaInfoForScreen(int scrnIndex);
 int  xf86GetFbInfoForScreen(int scrnIndex);
-Bool xf86ParseIsaBusString(const char *busID);
 int xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active);
 int xf86ClaimNoSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active);
 void xf86EnableAccess(ScrnInfoPtr pScrn);
 void xf86SetCurrentAccess(Bool Enable, ScrnInfoPtr pScrn);
 Bool xf86IsPrimaryPci(struct pci_device * pPci);
-Bool xf86IsPrimaryIsa(void);
 /* new RAC */
 resPtr xf86AddResToList(resPtr rlist, resRange *Range, int entityIndex);
 void xf86FreeResList(resPtr rlist);
@@ -159,8 +154,6 @@ DevUnion *xf86GetEntityPrivate(int entityIndex, int privIndex);
 /* xf86Configure.c */
 GDevPtr xf86AddBusDeviceToConfigure(const char *driver, BusType bus,
 				    void *busData, int chipset);
-GDevPtr xf86AddDeviceToConfigure( const char *driver,
-    struct pci_device * pVideo, int chipset );
 
 /* xf86Cursor.c */
 
@@ -243,10 +236,6 @@ int xf86MatchPciInstances(const char *driverName, int vendorID,
 		      SymTabPtr chipsets, PciChipsets *PCIchipsets,
 		      GDevPtr *devList, int numDevs, DriverPtr drvp,
 		      int **foundEntities);
-int xf86MatchIsaInstances(const char *driverName, SymTabPtr chipsets,
-			  IsaChipsets *ISAchipsets, DriverPtr drvp,
-			  FindIsaDevProc FindIsaDevice, GDevPtr *devList,
-			  int numDevs, int **foundEntities);
 void xf86GetClocks(ScrnInfoPtr pScrn, int num,
 		   Bool (*ClockFunc)(ScrnInfoPtr, int),
 		   void (*ProtectRegs)(ScrnInfoPtr, Bool),
@@ -297,11 +286,6 @@ ScrnInfoPtr xf86ConfigPciEntity(ScrnInfoPtr pScrn, int scrnFlag,
 				resList res, EntityProc init,
 				EntityProc enter, EntityProc leave,
 				pointer private);
-ScrnInfoPtr xf86ConfigIsaEntity(ScrnInfoPtr pScrn, int scrnFlag,
-				int entityIndex, IsaChipsets *i_chip,
-				resList res, EntityProc init,
-				EntityProc enter, EntityProc leave,
-				pointer private);
 ScrnInfoPtr xf86ConfigFbEntity(ScrnInfoPtr pScrn, int scrnFlag,
 			       int entityIndex, EntityProc init,
 			       EntityProc enter, EntityProc leave,
@@ -313,19 +297,10 @@ Bool xf86ConfigActivePciEntity(ScrnInfoPtr pScrn,
 				EntityProc enter, EntityProc leave,
 				pointer private);
 /* Obsolete! don't use */
-Bool xf86ConfigActiveIsaEntity(ScrnInfoPtr pScrn,
-				int entityIndex, IsaChipsets *i_chip,
-				resList res, EntityProc init,
-				EntityProc enter, EntityProc leave,
-				pointer private);
 void xf86ConfigPciEntityInactive(EntityInfoPtr pEnt, PciChipsets *p_chip,
 				 resList res, EntityProc init,
 				 EntityProc enter, EntityProc leave,
 				 pointer private);
-void xf86ConfigIsaEntityInactive(EntityInfoPtr pEnt, IsaChipsets *i_chip,
-				 resList res, EntityProc init,
-				 EntityProc enter, EntityProc leave,
-				 pointer private);
 void xf86ConfigFbEntityInactive(EntityInfoPtr pEnt, EntityProc init,
 				EntityProc enter, EntityProc leave,
 				pointer private);
diff --git a/hw/xfree86/common/xf86Bus.c b/hw/xfree86/common/xf86Bus.c
index e297d1e0a..3236b5a4f 100644
--- a/hw/xfree86/common/xf86Bus.c
+++ b/hw/xfree86/common/xf86Bus.c
@@ -135,8 +135,6 @@ StringToBusType(const char* busID, const char **retID)
     }
     if (!xf86NameCmp(p, "pci") || !xf86NameCmp(p, "agp"))
 	ret = BUS_PCI; 
-    if (!xf86NameCmp(p, "isa"))
-	ret = BUS_ISA;
     if (!xf86NameCmp(p, "sbus"))
 	ret = BUS_SBUS;
     if (ret != BUS_NONE)
@@ -226,8 +224,6 @@ xf86IsEntityPrimary(int entityIndex)
     switch (pEnt->busType) {
     case BUS_PCI:
 	return (pEnt->bus.id.pci == primaryBus.id.pci);
-    case BUS_ISA:
-	return TRUE;
     case BUS_SBUS:
 	return (pEnt->sbusBusId.fbNum == primaryBus.id.sbus.fbNum);
     default:
@@ -1009,33 +1005,10 @@ needCheck(resPtr pRes, unsigned long type, int entityIndex, xf86State state)
     if (pRes->entityIndex > -1)
 	r_loc = xf86Entities[pRes->entityIndex]->busType;
 
-    switch (type & ResAccMask) {
-    case ResExclusive:
-	switch (pRes->res_type & ResAccMask) {
-	case ResExclusive:
-	    break;
-	case ResShared:
-	    /* ISA buses are only locally exclusive on a PCI system */
-	    if (loc == BUS_ISA && r_loc == BUS_PCI)
-		return FALSE;
-	    break;
-	}
-	break;
-    case ResShared:
-	switch (pRes->res_type & ResAccMask) {
-	case ResExclusive:
-	    /* ISA buses are only locally exclusive on a PCI system */
-	    if (loc == BUS_PCI && r_loc == BUS_ISA) 
-		return FALSE;
-	    break;
-	case ResShared:
-	    return FALSE;
-	}
-	break;
-    case ResAny:
-	break;
-    }
-    
+    if ((type & ResAccMask == ResShared) &&
+	(pRes->res_type & ResAccMask) == ResShared)
+	return FALSE;
+
     if (pRes->entityIndex == entityIndex) return FALSE;
 
     if (pRes->entityIndex > -1 &&
@@ -1384,7 +1357,6 @@ busTypeSpecific(EntityPtr pEnt, xf86AccessPtr *acc_mem,
 		xf86AccessPtr *acc_io, xf86AccessPtr *acc_mem_io)
 {
     switch (pEnt->bus.type) {
-    case BUS_ISA:
     case BUS_SBUS:
 	*acc_mem = *acc_io = *acc_mem_io = &AccessNULL;
 	break;
@@ -1853,7 +1825,7 @@ xf86PostProbe(void)
     resPtr resp, acc, tmp, resp_x;
 
     if (fbSlotClaimed) {
-        if (pciSlotClaimed || isaSlotClaimed 
+        if (pciSlotClaimed
 #if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
 	    || sbusSlotClaimed
 #endif
@@ -2409,10 +2381,6 @@ xf86FindPrimaryDevice()
 		     primaryBus.id.pci->dev,
 		     primaryBus.id.pci->func);
 	    break;
-	case BUS_ISA:
-	    bus = "ISA";
-	    loc[0] = '\0';
-	    break;
 	case BUS_SBUS:
 	    bus = "SBUS";
 	    snprintf(loc, sizeof(loc), " %2.2x", primaryBus.id.sbus.fbNum);
diff --git a/hw/xfree86/common/xf86Configure.c b/hw/xfree86/common/xf86Configure.c
index b4ec7295f..87004966a 100644
--- a/hw/xfree86/common/xf86Configure.c
+++ b/hw/xfree86/common/xf86Configure.c
@@ -115,18 +115,6 @@ xf86AddBusDeviceToConfigure(const char *driver, BusType bus, void *busData, int
 		return NULL;
 	isPrimary = xf86IsPrimaryPci(pVideo);
 	break;
-    case BUS_ISA:
-	/*
-	 * This needs to be revisited as it doesn't allow for non-PCI
-	 * multihead.
-	 */
-	if (!xf86IsPrimaryIsa())
-	    return NULL;
-	isPrimary = TRUE;
-	for (i = 0;  i < nDevToConfig;  i++)
-	    if (!DevToConfig[i].pVideo)
-		return NULL;
-	break;
 #if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
     case BUS_SBUS:
 	for (i = 0;  i < nDevToConfig;  i++)
@@ -202,10 +190,6 @@ xf86AddBusDeviceToConfigure(const char *driver, BusType bus, void *busData, int
 	    chipset = (pVideo->vendor_id << 16) | pVideo->device_id;
 	}
 	break;
-    case BUS_ISA:
-	NewDevice.GDev.identifier = "ISA Adapter";
-	NewDevice.GDev.busID = "ISA";
-	break;
 #if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
     case BUS_SBUS: {
 	char *promPath = NULL;
@@ -241,17 +225,6 @@ xf86AddBusDeviceToConfigure(const char *driver, BusType bus, void *busData, int
 #   undef NewDevice
 }
 
-/*
- * Backwards compatibility
- */
-_X_EXPORT GDevPtr
-xf86AddDeviceToConfigure(const char *driver, struct pci_device * pVideo, 
-			 int chipset)
-{
-    return xf86AddBusDeviceToConfigure(driver, pVideo ? BUS_PCI : BUS_ISA,
-				       pVideo, chipset);
-}
-
 static XF86ConfInputPtr
 configureInputSection (void)
 {
diff --git a/hw/xfree86/common/xf86Helper.c b/hw/xfree86/common/xf86Helper.c
index 3e2316408..e0c941571 100644
--- a/hw/xfree86/common/xf86Helper.c
+++ b/hw/xfree86/common/xf86Helper.c
@@ -1683,8 +1683,8 @@ xf86MatchPciInstances(const char *driverName, int vendorID,
 		    if ( xf86DoConfigure && xf86DoConfigurePass1 ) {
 			if (xf86CheckPciSlot(pPci)) {
 			    GDevPtr pGDev = 
-			      xf86AddDeviceToConfigure(drvp->driverName,
-						       pPci, -1);
+			      xf86AddBusDeviceToConfigure(drvp->driverName,
+							  BUS_PCI, pPci, -1);
 			    if (pGDev) {
 				/* After configure pass 1, chipID and chipRev
 				 * are treated as over-rides, so clobber them
@@ -1953,108 +1953,6 @@ xf86MatchPciInstances(const char *driverName, int vendorID,
     return numFound;
 }
 
-_X_EXPORT int
-xf86MatchIsaInstances(const char *driverName, SymTabPtr chipsets,
-		      IsaChipsets *ISAchipsets, DriverPtr drvp,
-		      FindIsaDevProc FindIsaDevice, GDevPtr *devList,
-		      int numDevs, int **foundEntities)
-{
-    SymTabRec *c;
-    IsaChipsets *Chips;
-    int i;
-    int numFound = 0;
-    int foundChip = -1;
-    int *retEntities = NULL;
-
-    *foundEntities = NULL;
-
-#if defined(__sparc__) || defined(__powerpc__)
-    FindIsaDevice = NULL;	/* Temporary */
-#endif
-
-    if (xf86DoProbe || (xf86DoConfigure && xf86DoConfigurePass1)) {
-	if (FindIsaDevice &&
-	    ((foundChip = (*FindIsaDevice)(NULL)) != -1)) {
-	    xf86AddDeviceToConfigure(drvp->driverName, NULL, foundChip);
-	    return 1;
-	}
-	return 0;
-    }
-
-    for (i = 0; i < numDevs; i++) {
-	MessageType from = X_CONFIG;
-	GDevPtr dev = NULL;
-	GDevPtr devBus = NULL;
-
-	if (devList[i]->busID && *devList[i]->busID) {
-	    if (xf86ParseIsaBusString(devList[i]->busID)) {
-		if (devBus) xf86MsgVerb(X_WARNING,0,
-					"%s: More than one matching Device "
-					"section for ISA-Bus found: %s\n",
-					driverName,devList[i]->identifier);
-		else devBus = devList[i];
-	    }
-	} else {
-	    if (xf86IsPrimaryIsa()) {
-		if (dev) xf86MsgVerb(X_WARNING,0,
-				     "%s: More than one matching "
-				     "Device section found: %s\n",
-				     driverName,devList[i]->identifier);
-		else dev = devList[i];
-	    }
-	}
-	if (devBus) dev = devBus;
-	if (dev) {
-	    if (dev->chipset) {
-		for (c = chipsets; c->token >= 0; c++) {
-		    if (xf86NameCmp(c->name, dev->chipset) == 0)
-			break;
-		}
-		if (c->token == -1) {
-		    xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device "
-				"section \"%s\" isn't valid for this driver\n",
-				driverName, dev->chipset,
-				dev->identifier);
-		} else
-		    foundChip = c->token;
-	    } else {
-		if (FindIsaDevice) foundChip = (*FindIsaDevice)(dev);
-                                                        /* Probe it */
-		from = X_PROBED;
-	    }
-	}
-	
-	/* Check if the chip type is listed in the chipset table - for sanity*/
-
-	if (foundChip >= 0){
-	    for (Chips = ISAchipsets; Chips->numChipset >= 0; Chips++) {
-		if (Chips->numChipset == foundChip)
-		    break;
-	    }
-	    if (Chips->numChipset == -1){
-		foundChip = -1;
-		xf86MsgVerb(X_WARNING,0,
-			    "%s: Driver detected unknown ISA-Bus Chipset\n",
-			    driverName);
-	    }
-	}
-	if (foundChip != -1) {
-	    numFound++;
-	    retEntities = xnfrealloc(retEntities,numFound * sizeof(int));
-	    retEntities[numFound - 1] =
-	    xf86ClaimIsaSlot(drvp,foundChip,dev, dev->active ? TRUE : FALSE);
-	    for (c = chipsets; c->token >= 0; c++) {
-		if (c->token == foundChip)
-		    break;
-	    }
-	    xf86Msg(from, "Chipset %s found\n", c->name);
-	}
-    }
-    *foundEntities = retEntities;
-
-    return numFound;
-}
-
 /*
  * xf86GetClocks -- get the dot-clocks via a BIG BAD hack ...
  */
@@ -2557,49 +2455,6 @@ xf86FindXvOptions(int scrnIndex, int adaptor_index, char *port_name,
 #include "loader/os.c"
 
 /* new RAC */
-/*
- * xf86ConfigIsa/PciEntity() -- These helper functions assign an
- * active entity to a screen, registers its fixed resources, assign
- * special enter/leave functions and their private scratch area to
- * this entity, take the dog for a walk...
- */
-_X_EXPORT ScrnInfoPtr
-xf86ConfigIsaEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex,
-			  IsaChipsets *i_chip, resList res, EntityProc init,
-			  EntityProc enter, EntityProc leave, pointer private)
-{
-    IsaChipsets *i_id;
-    EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
-    if (!pEnt) return pScrn;
-
-    if (!(pEnt->location.type == BUS_ISA)) {
-	xfree(pEnt);
-	return pScrn;
-    }
-
-    if (!pEnt->active) {
-	xf86ConfigIsaEntityInactive(pEnt, i_chip, res, init,  enter,
-				    leave,  private);
-	xfree(pEnt);
-	return pScrn;
-    }
-
-    if (!pScrn)
-	pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag);
-    xf86AddEntityToScreen(pScrn,entityIndex);
-
-    if (i_chip) {
-	for (i_id = i_chip; i_id->numChipset != -1; i_id++) {
-	    if (pEnt->chipset == i_id->numChipset) break;
-	}
-	xf86ClaimFixedResources(i_id->resList,entityIndex);
-    }
-    xfree(pEnt);
-    xf86ClaimFixedResources(res,entityIndex);
-    xf86SetEntityFuncs(entityIndex,init,enter,leave,private);
-
-    return pScrn;
-}
 
 _X_EXPORT ScrnInfoPtr
 xf86ConfigPciEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex,
@@ -2675,39 +2530,9 @@ xf86ConfigFbEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex,
 
 /*
  *
- *  OBSOLETE ! xf86ConfigActiveIsaEntity() and xf86ConfigActivePciEntity()
- *             are obsolete functions. They the are likely to be removed
- *             Don't use!
+ *  OBSOLETE ! xf86ConfigActivePciEntity() is an obsolete functions.
+ *	       They the are likely to be removed. Don't use!
  */
-_X_EXPORT Bool
-xf86ConfigActiveIsaEntity(ScrnInfoPtr pScrn, int entityIndex,
-                          IsaChipsets *i_chip, resList res, EntityProc init,
-                          EntityProc enter, EntityProc leave, pointer private)
-{
-    IsaChipsets *i_id;
-    EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
-    if (!pEnt) return FALSE;
-
-    if (!pEnt->active || !(pEnt->location.type == BUS_ISA)) {
-        xfree(pEnt);
-        return FALSE;
-    }
-
-    xf86AddEntityToScreen(pScrn,entityIndex);
-
-    if (i_chip) {
-        for (i_id = i_chip; i_id->numChipset != -1; i_id++) {
-            if (pEnt->chipset == i_id->numChipset) break;
-        }
-        xf86ClaimFixedResources(i_id->resList,entityIndex);
-    }
-    xfree(pEnt);
-    xf86ClaimFixedResources(res,entityIndex);
-    if (!xf86SetEntityFuncs(entityIndex,init,enter,leave,private))
-        return FALSE;
-
-    return TRUE;
-}
 
 _X_EXPORT Bool
 xf86ConfigActivePciEntity(ScrnInfoPtr pScrn, int entityIndex,
@@ -2740,10 +2565,10 @@ xf86ConfigActivePciEntity(ScrnInfoPtr pScrn, int entityIndex,
 }
 
 /*
- * xf86ConfigPci/IsaEntityInactive() -- These functions can be used
+ * xf86ConfigPciEntityInactive() -- This functions can be used
  * to configure an inactive entity as well as to reconfigure an
  * previously active entity inactive. If the entity has been
- * assigned to a screen before it will be removed. If p_pci(p_isa) is
+ * assigned to a screen before it will be removed. If p_pci is
  * non-NULL all static resources listed there will be registered.
  */
 _X_EXPORT void
@@ -2768,28 +2593,6 @@ xf86ConfigPciEntityInactive(EntityInfoPtr pEnt, PciChipsets *p_chip,
     xf86SetEntityFuncs(pEnt->index,init,enter,leave,private);
 }
 
-_X_EXPORT void
-xf86ConfigIsaEntityInactive(EntityInfoPtr pEnt, IsaChipsets *i_chip,
-			    resList res, EntityProc init, EntityProc enter,
-			    EntityProc leave, pointer private)
-{
-    IsaChipsets *i_id;
-    ScrnInfoPtr pScrn;
-
-    if ((pScrn = xf86FindScreenForEntity(pEnt->index)))
-	xf86RemoveEntityFromScreen(pScrn,pEnt->index);
-    else if (i_chip) {
-	for (i_id = i_chip; i_id->numChipset != -1; i_id++) {
-	    if (pEnt->chipset == i_id->numChipset) break;
-	}
-	xf86ClaimFixedResources(i_id->resList,pEnt->index);
-    }
-    xf86ClaimFixedResources(res,pEnt->index);
-    /* shared resources are only needed when entity is active: remove */
-    xf86DeallocateResourcesForEntity(pEnt->index, ResShared);
-    xf86SetEntityFuncs(pEnt->index,init,enter,leave,private);
-}
-
 void
 xf86ConfigFbEntityInactive(EntityInfoPtr pEnt, EntityProc init,
 			   EntityProc enter, EntityProc leave, pointer private)
diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
index c35cb2c38..a052247c8 100644
--- a/hw/xfree86/common/xf86Init.c
+++ b/hw/xfree86/common/xf86Init.c
@@ -548,8 +548,8 @@ add_matching_devices_to_configure_list(DriverPtr drvp)
 		 && ((devices[j].device_class_mask & pPci->device_class)
 		     == devices[j].device_class) ) {
 		if (xf86CheckPciSlot(pPci)) {
-		    GDevPtr pGDev =
-		      xf86AddDeviceToConfigure(drvp->driverName, pPci, -1);
+		    GDevPtr pGDev = xf86AddBusDeviceToConfigure(
+					drvp->driverName, BUS_PCI, pPci, -1);
 		    if (pGDev != NULL) {
 			/* After configure pass 1, chipID and chipRev are
 			 * treated as over-rides, so clobber them here.
diff --git a/hw/xfree86/common/xf86isaBus.c b/hw/xfree86/common/xf86isaBus.c
deleted file mode 100644
index cc94de45f..000000000
--- a/hw/xfree86/common/xf86isaBus.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * 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 );
-}
diff --git a/hw/xfree86/common/xf86pciBus.c b/hw/xfree86/common/xf86pciBus.c
index d5ae75b3a..b6ec4adbb 100644
--- a/hw/xfree86/common/xf86pciBus.c
+++ b/hw/xfree86/common/xf86pciBus.c
@@ -564,11 +564,6 @@ initPciBusState(void)
 	    pbap->disable_f = pciBusAccessDisable;
 	    savePciBusState(pbap);
 	    break;
-	case PCI_SUBCLASS_BRIDGE_ISA:
-	case PCI_SUBCLASS_BRIDGE_EISA:
-	case PCI_SUBCLASS_BRIDGE_MC:
-	    pbap->type = BUS_ISA;
-	    break;
 	}
 	pbap->next = xf86BusAccInfo;
 	xf86BusAccInfo = pbap;
diff --git a/hw/xfree86/common/xf86str.h b/hw/xfree86/common/xf86str.h
index 32e0d955c..904c369a6 100644
--- a/hw/xfree86/common/xf86str.h
+++ b/hw/xfree86/common/xf86str.h
@@ -383,17 +383,12 @@ typedef enum {
 struct pci_device;
 
 typedef struct {
-    unsigned int dummy;
-} IsaBusId;
-
-typedef struct {
     int		fbNum;
 } SbusBusId;
 
 typedef struct _bus {
     BusType type;
     union {
-	IsaBusId isa;
 	struct pci_device *pci;
 	SbusBusId sbus;
     } id;
@@ -436,8 +431,6 @@ typedef struct {
    int                          screen;         /* For multi-CRTC cards */
 } GDevRec, *GDevPtr;
 
-typedef int (*FindIsaDevProc)(GDevPtr dev);
-
 typedef struct {
    char *			identifier;
    char *			driver;
@@ -717,11 +710,6 @@ typedef struct _resRec {
 #define block_end	val.rEnd
 #define res_type	val.type
 
-typedef struct {
-    int numChipset;
-    resRange *resList;
-} IsaChipsets;
-
 typedef struct _PciChipsets {
     /**
      * Key used to match this device with its name in an array of
diff --git a/hw/xfree86/int10/generic.c b/hw/xfree86/int10/generic.c
index d04d0a25e..0af7c1baa 100644
--- a/hw/xfree86/int10/generic.c
+++ b/hw/xfree86/int10/generic.c
@@ -220,19 +220,6 @@ xf86ExtendedInitInt10(int entityIndex, int Flags)
 	    INTPriv(pInt)->highMemory = GET_HIGH_BASE(rom_device->rom_size);
 	    break;
 	}
-	case BUS_ISA:
-	    vbiosMem = (unsigned char *)sysMem + bios_location;
-#if 0
-	    memset(vbiosMem, 0, V_BIOS_SIZE);
-	    if (xf86ReadBIOS(bios_location, 0, vbiosMem, V_BIOS_SIZE)
-		< V_BIOS_SIZE)
-		xf86DrvMsg(screen, X_WARNING,
-		    "Unable to retrieve all of segment 0x%x.\n",bios_location);
-#endif
-	    if (!int10_check_bios(screen, bios_location >> 4, vbiosMem)) {
-	        xf86DrvMsg(screen,X_ERROR,"Cannot read V_BIOS (4)\n");
-		goto error1;
-	    }
 	default:
 	    goto error1;
 	}
diff --git a/hw/xfree86/loader/xf86sym.c b/hw/xfree86/loader/xf86sym.c
index 2d646bcb4..88b26aa26 100644
--- a/hw/xfree86/loader/xf86sym.c
+++ b/hw/xfree86/loader/xf86sym.c
@@ -296,17 +296,14 @@ _X_HIDDEN void *xfree86LookupTab[] = {
     /* xf86Bus.c */
     SYMFUNC(xf86CheckPciSlot)
     SYMFUNC(xf86ClaimPciSlot)
-    SYMFUNC(xf86ClaimIsaSlot)
     SYMFUNC(xf86ClaimFbSlot)
     SYMFUNC(xf86ClaimNoSlot)
     SYMFUNC(xf86ParsePciBusString)
     SYMFUNC(xf86ComparePciBusString)
     SYMFUNC(xf86FormatPciBusNumber)
-    SYMFUNC(xf86ParseIsaBusString)
     SYMFUNC(xf86EnableAccess)
     SYMFUNC(xf86SetCurrentAccess)
     SYMFUNC(xf86IsPrimaryPci)
-    SYMFUNC(xf86IsPrimaryIsa)
     SYMFUNC(xf86FreeResList)
     SYMFUNC(xf86ClaimFixedResources)
     SYMFUNC(xf86AddEntityToScreen)
@@ -337,9 +334,6 @@ _X_HIDDEN void *xfree86LookupTab[] = {
     SYMFUNC(xf86AllocateEntityPrivateIndex)
     SYMFUNC(xf86GetEntityPrivate)
 
-    /* xf86Configure.c */
-    SYMFUNC(xf86AddDeviceToConfigure)
-
     /* xf86Cursor.c */
     SYMFUNC(xf86GetPointerScreenFuncs)
 
@@ -414,7 +408,6 @@ _X_HIDDEN void *xfree86LookupTab[] = {
     SYMFUNC(xf86PrintChipsets)
     SYMFUNC(xf86MatchDevice)
     SYMFUNC(xf86MatchPciInstances)
-    SYMFUNC(xf86MatchIsaInstances)
     SYMFUNC(xf86GetVerbosity)
     SYMFUNC(xf86GetVisualName)
     SYMFUNC(xf86GetPix24)
@@ -454,12 +447,9 @@ _X_HIDDEN void *xfree86LookupTab[] = {
     SYMFUNC(xf86FindXvOptions)
     SYMFUNC(xf86GetOS)
     SYMFUNC(xf86ConfigPciEntity)
-    SYMFUNC(xf86ConfigIsaEntity)
     SYMFUNC(xf86ConfigFbEntity)
     SYMFUNC(xf86ConfigActivePciEntity)
-    SYMFUNC(xf86ConfigActiveIsaEntity)
     SYMFUNC(xf86ConfigPciEntityInactive)
-    SYMFUNC(xf86ConfigIsaEntityInactive)
     SYMFUNC(xf86IsScreenPrimary)
     SYMFUNC(xf86RegisterRootWindowProperty)
     SYMFUNC(xf86IsUnblank)
diff --git a/hw/xfree86/os-support/linux/int10/linux.c b/hw/xfree86/os-support/linux/int10/linux.c
index b15f7fdc4..06f42f8af 100644
--- a/hw/xfree86/os-support/linux/int10/linux.c
+++ b/hw/xfree86/os-support/linux/int10/linux.c
@@ -292,10 +292,6 @@ xf86ExtendedInitInt10(int entityIndex, int Flags)
 	    pInt->BIOSseg = V_BIOS >> 4;
 	    break;
 	}
-	case BUS_ISA:
-	    if (!xf86int10GetBiosSegment(pInt, NULL))
-		goto error3;
-	    break;
 	default:
 	    goto error3;
 	}