Switched to xorg-server-1.6.99.900.tar.gz

1 files changed, 49 insertions, 1941 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86Bus.c b/xorg-server/hw/xfree86/common/xf86Bus.c
index b94d500f0..f0a0723f9 100644
--- a/xorg-server/hw/xfree86/common/xf86Bus.c
+++ b/xorg-server/hw/xfree86/common/xf86Bus.c
@@ -40,60 +40,28 @@
 #include "os.h"
 #include "xf86.h"
 #include "xf86Priv.h"
-#include "xf86Resources.h"
 
 /* Bus-specific headers */
 
 #include "xf86Bus.h"
 
 #define XF86_OS_PRIVS
-#define NEED_OS_RAC_PROTOS
 #include "xf86_OSproc.h"
+#include "xf86VGAarbiter.h"
 
-#include "xf86RAC.h"
 #include "Pci.h"
 
 /* Entity data */
 EntityPtr *xf86Entities = NULL;	/* Bus slots claimed by drivers */
 int xf86NumEntities = 0;
 static int xf86EntityPrivateCount = 0;
-BusAccPtr xf86BusAccInfo = NULL;
 
-static void
-noopEnableDisable(void *arg) { }
-
-xf86AccessRec AccessNULL = { noopEnableDisable, noopEnableDisable, NULL };
-
-xf86CurrentAccessRec xf86CurrentAccess = {NULL,NULL};
-
-BusRec primaryBus = { BUS_NONE, {{0}}};
+BusRec primaryBus = { BUS_NONE, { 0 } };
 
 static Bool xf86ResAccessEnter = FALSE;
 
-
-/* resource lists */
-resPtr Acc = NULL;
-
-/* predefined special resources */
-_X_EXPORT resRange resVgaExclusive[] = {_VGA_EXCLUSIVE, _END};
-_X_EXPORT resRange resVgaShared[] = {_VGA_SHARED, _END};
-_X_EXPORT resRange resVgaMemShared[] = {_VGA_SHARED_MEM,_END};
-_X_EXPORT resRange resVgaIoShared[] = {_VGA_SHARED_IO,_END};
-_X_EXPORT resRange resVgaUnusedExclusive[] = {_VGA_EXCLUSIVE_UNUSED, _END};
-_X_EXPORT resRange resVgaUnusedShared[] = {_VGA_SHARED_UNUSED, _END};
-_X_EXPORT resRange resVgaSparseExclusive[] = {_VGA_EXCLUSIVE_SPARSE, _END};
-_X_EXPORT resRange resVgaSparseShared[] = {_VGA_SHARED_SPARSE, _END};
-_X_EXPORT resRange res8514Exclusive[] = {_8514_EXCLUSIVE, _END};
-_X_EXPORT resRange res8514Shared[] = {_8514_SHARED, _END};
-
-/* Flag: do we need RAC ? */
-static Bool needRAC = FALSE;
 static Bool doFramebufferMode = FALSE;
 
-/* state change notification callback list */
-static StateChangeNotificationPtr StateChangeNotificationList;
-static void notifyStateChange(xf86NotifyState state);
-
 /*
  * Call the bus probes relevant to the architecture.
  *
@@ -152,17 +120,10 @@ void
 xf86EntityInit(void)
 {
     int i;
-    xf86AccessPtr pacc;
     
     for (i = 0; i < xf86NumEntities; i++)
 	if (xf86Entities[i]->entityInit) {
-	    if (xf86Entities[i]->access->busAcc)
-		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
-		    (xf86Entities[i]->access->busAcc);
-	    pacc = xf86Entities[i]->access->fallback;
-	    pacc->AccessEnable(pacc->arg);
 	    xf86Entities[i]->entityInit(i,xf86Entities[i]->private);
-	    pacc->AccessDisable(pacc->arg);
 	}
 }
 
@@ -182,17 +143,10 @@ static void
 EntityEnter(void)
 {
     int i;
-    xf86AccessPtr pacc;
     
     for (i = 0; i < xf86NumEntities; i++)
 	if (xf86Entities[i]->entityEnter) {
-	    if (xf86Entities[i]->access->busAcc)
-		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
-		    (xf86Entities[i]->access->busAcc);
-	    pacc = xf86Entities[i]->access->fallback;
-	    pacc->AccessEnable(pacc->arg);
 	    xf86Entities[i]->entityEnter(i,xf86Entities[i]->private);
-	    pacc->AccessDisable(pacc->arg);
 	}
 }
 
@@ -200,32 +154,25 @@ static void
 EntityLeave(void)
 {
     int i;
-    xf86AccessPtr pacc;
 
     for (i = 0; i < xf86NumEntities; i++)
 	if (xf86Entities[i]->entityLeave) {
-	    if (xf86Entities[i]->access->busAcc)
-		((BusAccPtr)xf86Entities[i]->access->busAcc)->set_f
-		    (xf86Entities[i]->access->busAcc);
-	    pacc = xf86Entities[i]->access->fallback;
-	    pacc->AccessEnable(pacc->arg);
 	    xf86Entities[i]->entityLeave(i,xf86Entities[i]->private);
-	    pacc->AccessDisable(pacc->arg);
 	}
 }
 
-_X_EXPORT Bool
+Bool
 xf86IsEntityPrimary(int entityIndex)
 {
     EntityPtr pEnt = xf86Entities[entityIndex];
     
-    if (primaryBus.type != pEnt->busType) return FALSE;
+    if (primaryBus.type != pEnt->bus.type) return FALSE;
 
-    switch (pEnt->busType) {
+    switch (pEnt->bus.type) {
     case BUS_PCI:
 	return (pEnt->bus.id.pci == primaryBus.id.pci);
     case BUS_SBUS:
-	return (pEnt->sbusBusId.fbNum == primaryBus.id.sbus.fbNum);
+	return (pEnt->bus.id.sbus.fbNum == primaryBus.id.sbus.fbNum);
     default:
 	return FALSE;
     }
@@ -255,7 +202,7 @@ xf86DriverHasEntities(DriverPtr drvp)
     return FALSE;
 }
 
-_X_EXPORT void
+void
 xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex)
 {
     if (entityIndex == -1)
@@ -270,8 +217,6 @@ xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex)
     pScrn->entityList = xnfrealloc(pScrn->entityList,
 				    pScrn->numEntities * sizeof(int));
     pScrn->entityList[pScrn->numEntities - 1] = entityIndex;
-    xf86Entities[entityIndex]->access->next = pScrn->access;
-    pScrn->access = xf86Entities[entityIndex]->access;
     xf86Entities[entityIndex]->inUse = TRUE;
     pScrn->entityInstanceList = xnfrealloc(pScrn->entityInstanceList,
 				    pScrn->numEntities * sizeof(int));
@@ -279,7 +224,7 @@ xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex)
     pScrn->domainIOBase = xf86Entities[entityIndex]->domainIO;
 }
 
-_X_EXPORT void
+void
 xf86SetEntityInstanceForScreen(ScrnInfoPtr pScrn, int entityIndex, int instance)
 {
     int i;
@@ -299,7 +244,7 @@ xf86SetEntityInstanceForScreen(ScrnInfoPtr pScrn, int entityIndex, int instance)
  * XXX  This needs to be updated for the case where a single entity may have
  * instances associated with more than one screen.
  */
-_X_EXPORT ScrnInfoPtr
+ScrnInfoPtr
 xf86FindScreenForEntity(int entityIndex)
 {
     int i,j;
@@ -317,30 +262,19 @@ xf86FindScreenForEntity(int entityIndex)
     return NULL;
 }
 
-_X_EXPORT void
+void
 xf86RemoveEntityFromScreen(ScrnInfoPtr pScrn, int entityIndex)
 {
     int i;
-    EntityAccessPtr *ptr = (EntityAccessPtr *)&pScrn->access;
-    EntityAccessPtr peacc;
     
     for (i = 0; i < pScrn->numEntities; i++) {
 	if (pScrn->entityList[i] == entityIndex) {
-	    peacc = xf86Entities[pScrn->entityList[i]]->access;
-	    (*ptr) = peacc->next;
-	    /* disable entity: call disable func */
-	    if (peacc->pAccess)
-		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
-	    /* also disable fallback - just in case */
-	    if (peacc->fallback)
-		peacc->fallback->AccessDisable(peacc->fallback->arg);
 	    for (i++; i < pScrn->numEntities; i++)
 		pScrn->entityList[i-1] = pScrn->entityList[i];
 	    pScrn->numEntities--;
 	    xf86Entities[entityIndex]->inUse = FALSE;
 	    break;
 	}
-	ptr = &(xf86Entities[pScrn->entityList[i]]->access->next);
     }
 }
 
@@ -352,7 +286,6 @@ void
 xf86ClearEntityListForScreen(int scrnIndex)
 {
     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
-    EntityAccessPtr peacc;
     int i, entityIndex;
     
     if (pScrn->entityList == NULL || pScrn->numEntities == 0) return;
@@ -361,43 +294,13 @@ xf86ClearEntityListForScreen(int scrnIndex)
 	entityIndex = pScrn->entityList[i];
 	xf86Entities[entityIndex]->inUse = FALSE;
 	/* disable resource: call the disable function */
-	peacc = xf86Entities[entityIndex]->access;
-	if (peacc->pAccess)
-	    peacc->pAccess->AccessDisable(peacc->pAccess->arg);
-	/* and the fallback function */
-	if (peacc->fallback)
-	    peacc->fallback->AccessDisable(peacc->fallback->arg);
-	/* shared resources are only needed when entity is active: remove */
-	xf86DeallocateResourcesForEntity(entityIndex, ResShared);
     }
     xfree(pScrn->entityList);
     xfree(pScrn->entityInstanceList);
-    if (pScrn->CurrentAccess->pIoAccess == (EntityAccessPtr)pScrn->access)
-	pScrn->CurrentAccess->pIoAccess = NULL;
-    if (pScrn->CurrentAccess->pMemAccess == (EntityAccessPtr)pScrn->access)
-	pScrn->CurrentAccess->pMemAccess = NULL;
     pScrn->entityList = NULL;
     pScrn->entityInstanceList = NULL;
 }
 
-void
-xf86DeallocateResourcesForEntity(int entityIndex, unsigned long type)
-{
-    resPtr *pprev_next = &Acc;
-    resPtr res = Acc;
-
-    while (res) {
-	if (res->entityIndex == entityIndex &&
-	    (type & ResAccMask & res->res_type))
-	{
-	    (*pprev_next) = res->next;
-	    xfree(res);
-	} else 
-	    pprev_next = &(res->next);
-	res = (*pprev_next);
-    }
-}
-
 /*
  * Add an extra device section (GDevPtr) to an entity.
  */
@@ -423,12 +326,15 @@ xf86AddDevToEntity(int entityIndex, GDevPtr dev)
  * EntityRec struct to the drivers. The EntityRec structure itself
  * remains invisible to the driver.
  */
-_X_EXPORT EntityInfoPtr
+EntityInfoPtr
 xf86GetEntityInfo(int entityIndex)
 {
     EntityInfoPtr pEnt;
     int i;
     
+    if (entityIndex == -1)
+	return NULL;
+
     if (entityIndex >= xf86NumEntities)
 	return NULL;
     
@@ -437,7 +343,6 @@ xf86GetEntityInfo(int entityIndex)
     pEnt->location = xf86Entities[entityIndex]->bus;
     pEnt->active = xf86Entities[entityIndex]->active;
     pEnt->chipset = xf86Entities[entityIndex]->chipset;
-    pEnt->resources = xf86Entities[entityIndex]->resources;
     pEnt->driver = xf86Entities[entityIndex]->driver;
     if ( (xf86Entities[entityIndex]->devices) &&
          (xf86Entities[entityIndex]->devices[0]) ) {
@@ -451,7 +356,7 @@ xf86GetEntityInfo(int entityIndex)
     return pEnt;
 }
 
-_X_EXPORT int
+int
 xf86GetNumEntityInstances(int entityIndex)
 {
     if (entityIndex >= xf86NumEntities)
@@ -460,7 +365,7 @@ xf86GetNumEntityInstances(int entityIndex)
     return xf86Entities[entityIndex]->numInstances;
 }
 
-_X_EXPORT GDevPtr
+GDevPtr
 xf86GetDevFromEntity(int entityIndex, int instance)
 {
     int i;
@@ -481,72 +386,12 @@ xf86GetDevFromEntity(int entityIndex, int instance)
 }
 
 /*
- * general generic disable function.
- */
-static void
-disableAccess(void)
-{
-    int i;
-    xf86AccessPtr pacc;
-    EntityAccessPtr peacc;
-    
-    /* call disable funcs and reset current access pointer */
-    /* the entity specific access funcs are in an enabled  */
-    /* state - driver must restore their state explicitely */
-    for (i = 0; i < xf86NumScreens; i++) {
-	peacc = xf86Screens[i]->CurrentAccess->pIoAccess;
-	while (peacc) {
-	    if (peacc->pAccess)
-		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
-	    peacc = peacc->next;
-	}
-	xf86Screens[i]->CurrentAccess->pIoAccess = NULL;
-	peacc = xf86Screens[i]->CurrentAccess->pMemAccess;
-	while (peacc) {
-	    if (peacc->pAccess)
-		peacc->pAccess->AccessDisable(peacc->pAccess->arg);
-	    peacc = peacc->next;
-	}
-	xf86Screens[i]->CurrentAccess->pMemAccess = NULL;
-    }
-    /* then call the generic entity disable funcs */
-    for (i = 0; i < xf86NumEntities; i++) {
-	pacc = xf86Entities[i]->access->fallback; 
-	pacc->AccessDisable(pacc->arg);
-    }
-}
-
-static void
-clearAccess(void)
-{
-    int i;
-    
-    /* call disable funcs and reset current access pointer */
-    /* the entity specific access funcs are in an enabled  */
-    /* state - driver must restore their state explicitely */
-    for (i = 0; i < xf86NumScreens; i++) {
-	xf86Screens[i]->CurrentAccess->pIoAccess = NULL;
-	xf86Screens[i]->CurrentAccess->pMemAccess = NULL;
-    }
-
-}
-
-/*
- * Generic interface to bus specific code - add other buses here
- */
-
-/*
  * xf86AccessInit() - set up everything needed for access control
  * called only once on first server generation.
  */
 void
 xf86AccessInit(void)
 {
-    initPciState();
-    initPciBusState();
-    DisablePciBusAccess();
-    DisablePciAccess();
-    
     xf86ResAccessEnter = TRUE;
 }
 
@@ -564,12 +409,7 @@ xf86AccessEnter(void)
      * on enter we simply disable routing of special resources
      * to any bus and let the RAC code to "open" the right bridges.
      */
-    PciBusStateEnter();
-    DisablePciBusAccess();
-    PciStateEnter();
-    disableAccess();
     EntityEnter();
-    notifyStateChange(NOTIFY_ENTER);
     xf86EnterServerState(SETUP);
     xf86ResAccessEnter = TRUE;
 }
@@ -588,35 +428,9 @@ xf86AccessLeave(void)
 {
     if (!xf86ResAccessEnter)
 	return;
-    notifyStateChange(NOTIFY_LEAVE);
-    disableAccess();
-    DisablePciBusAccess();
     EntityLeave();
 }
 
-void
-xf86AccessLeaveState(void)
-{
-    if (!xf86ResAccessEnter)
-	return;
-    xf86ResAccessEnter = FALSE;
-    PciStateLeave();
-    PciBusStateLeave();
-}
-
-/*
- * xf86AccessRestoreState() - Restore the access registers to the
- * state before X was started. This is handy for framebuffers.
- */
-static void 
-xf86AccessRestoreState(void)
-{
-    if (!xf86ResAccessEnter)
-	return;
-    PciStateLeave();
-    PciBusStateLeave();
-}
-
 /*
  * xf86EnableAccess() -- enable access to controlled resources.
  * To reduce latency when switching access the ScrnInfoRec has
@@ -632,896 +446,14 @@ xf86AccessRestoreState(void)
  * by other resources!
  */
 
-_X_EXPORT void
-xf86EnableAccess(ScrnInfoPtr pScrn)
-{
-    register EntityAccessPtr peAcc = (EntityAccessPtr) pScrn->access;
-    register EntityAccessPtr pceAcc;
-    register xf86AccessPtr pAcc;
-    EntityAccessPtr tmp;
-
-#ifdef DEBUG
-    ErrorF("Enable access %i\n",pScrn->scrnIndex);
-#endif
-
-    /* Entity is not under access control or currently enabled */
-    if (!pScrn->access) {
-	if (pScrn->busAccess) {
-	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
-	}
-	return;
-    }
-    
-    switch (pScrn->resourceType) {
-    case IO:
-	pceAcc = pScrn->CurrentAccess->pIoAccess;
-	if (peAcc == pceAcc) {
-	    return;
-	}
-	if (pScrn->CurrentAccess->pMemAccess == pceAcc)
-	    pScrn->CurrentAccess->pMemAccess = NULL;
-	while (pceAcc) {
-	    pAcc = pceAcc->pAccess;
-	    if (pAcc)
-		pAcc->AccessDisable(pAcc->arg);
-	    pceAcc = pceAcc->next;
-	}
-	if (pScrn->busAccess)
-	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
-	while (peAcc) {
-	    pAcc = peAcc->pAccess;
-	    if (pAcc) 
-		pAcc->AccessEnable(pAcc->arg);
-	    peAcc = peAcc->next;
-	}
-	pScrn->CurrentAccess->pIoAccess = (EntityAccessPtr) pScrn->access;
-	return;
-	
-    case MEM_IO:
-	pceAcc = pScrn->CurrentAccess->pIoAccess;
-	if (peAcc != pceAcc) { /* current Io != pAccess */
-	    tmp = pceAcc;
-	    while (pceAcc) {
-		pAcc = pceAcc->pAccess;
-		if (pAcc)
-		    pAcc->AccessDisable(pAcc->arg);
-		pceAcc = pceAcc->next;
-	    }
-	    pceAcc = pScrn->CurrentAccess->pMemAccess;
-	    if (peAcc != pceAcc /* current Mem != pAccess */
-		&& tmp !=pceAcc) {
-		while (pceAcc) {
-		    pAcc = pceAcc->pAccess;
-		    if (pAcc)
-			pAcc->AccessDisable(pAcc->arg);
-		    pceAcc = pceAcc->next;
-		}
-	    }
-	} else {    /* current Io == pAccess */
-	    pceAcc = pScrn->CurrentAccess->pMemAccess;
-	    if (pceAcc == peAcc) { /* current Mem == pAccess */
-		return;
-	    }
-	    while (pceAcc) {  /* current Mem != pAccess */
-		pAcc = pceAcc->pAccess;
-		if (pAcc)
-		    pAcc->AccessDisable(pAcc->arg);
-		pceAcc = pceAcc->next;
-	    }
-	}
-	if (pScrn->busAccess)
-	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
-	while (peAcc) {
-	    pAcc = peAcc->pAccess;
-	    if (pAcc) 
-		pAcc->AccessEnable(pAcc->arg);
-		peAcc = peAcc->next;
-	}
-	pScrn->CurrentAccess->pMemAccess =
-	    pScrn->CurrentAccess->pIoAccess = (EntityAccessPtr) pScrn->access;
-	return;
-	
-    case MEM:
-	pceAcc = pScrn->CurrentAccess->pMemAccess;
-	if (peAcc == pceAcc) {
-	    return;
-	}
-	if (pScrn->CurrentAccess->pIoAccess == pceAcc)
-	    pScrn->CurrentAccess->pIoAccess = NULL;
-	while (pceAcc) {
-	    pAcc = pceAcc->pAccess;
-	    if (pAcc)
-		pAcc->AccessDisable(pAcc->arg);
-	    pceAcc = pceAcc->next;
-	}
-	if (pScrn->busAccess)
-	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
-	while (peAcc) {
-	    pAcc = peAcc->pAccess;
-	    if (pAcc)
-		pAcc->AccessEnable(pAcc->arg);
-	    peAcc = peAcc->next;
-	}
-	pScrn->CurrentAccess->pMemAccess = (EntityAccessPtr) pScrn->access;
-	return;
-
-    case NONE:
-	if (pScrn->busAccess) {
-	    ((BusAccPtr)pScrn->busAccess)->set_f(pScrn->busAccess);
-	}
-	return;
-    }
-}
-
-_X_EXPORT void
-xf86SetCurrentAccess(Bool Enable, ScrnInfoPtr pScrn)
-{
-    EntityAccessPtr pceAcc2 = NULL;
-    register EntityAccessPtr pceAcc = NULL;
-    register xf86AccessPtr pAcc;
-
-    
-    switch(pScrn->resourceType) {
-    case IO:
-	pceAcc = pScrn->CurrentAccess->pIoAccess;
-	break;
-    case MEM:
-	pceAcc = pScrn->CurrentAccess->pMemAccess;
-	break;
-    case MEM_IO:
-	pceAcc = pScrn->CurrentAccess->pMemAccess;
-	pceAcc2 = pScrn->CurrentAccess->pIoAccess;
-	break;
-    default:
-	break;
-    }
-
-    while (pceAcc) {
-	pAcc = pceAcc->pAccess;
-	if (pAcc) {
-	    if (Enable) {
-		pAcc->AccessEnable(pAcc->arg);
-	    } else {
-		pAcc->AccessDisable(pAcc->arg);
-	    }
-	}
-	pceAcc = pceAcc->next;
-	if (!pceAcc) {
-	    pceAcc = pceAcc2;
-	    pceAcc2 = NULL;
-	}
-    }
-}
-
-_X_EXPORT void
-xf86SetAccessFuncs(EntityInfoPtr pEnt, xf86SetAccessFuncPtr funcs,
-		   xf86SetAccessFuncPtr oldFuncs)
-{
-    AccessFuncPtr rac;
-
-    if (!xf86Entities[pEnt->index]->rac)
-	xf86Entities[pEnt->index]->rac = xnfcalloc(1,sizeof(AccessFuncRec));
-
-    rac = xf86Entities[pEnt->index]->rac;
-
-    rac->mem_new = funcs->mem;
-    rac->io_new = funcs->io;
-    rac->io_mem_new = funcs->io_mem;
-    
-    rac->old = oldFuncs;
-}
-
-/*
- * Conflict checking
- */
-
-static memType
-getMask(memType val)
-{
-    memType mask = 0;
-    memType tmp = 0;
-    
-    mask=~mask;
-    tmp = ~((~tmp) >> 1);
-    
-    while (!(val & tmp)) {
-	mask = mask >> 1;
-	val = val << 1;
-    }
-    return mask;
-}
-
-/*
- * checkConflictBlock() -- check for conflicts of a block resource range.
- * If conflict is found return end of conflicting range. Else return 0.
- */
-static memType
-checkConflictBlock(resRange *range, resPtr pRes)
-{
-    memType val,tmp,prev;
-    int i;
-    
-    switch (pRes->res_type & ResExtMask) {
-    case ResBlock:
-	if (range->rBegin < pRes->block_end &&
-	    range->rEnd > pRes->block_begin) {
-#ifdef DEBUG
-	    ErrorF("b-b conflict w: %lx %lx\n",
-		   pRes->block_begin,pRes->block_end);
-#endif
-	    return pRes->block_end < range->rEnd ?
-		pRes->block_end : range->rEnd;
-	}
-	return 0;
-    case ResSparse:
-	if (pRes->sparse_base > range->rEnd) return 0;
-	
-	val = (~pRes->sparse_mask | pRes->sparse_base) & getMask(range->rEnd);
-#ifdef DEBUG
-	ErrorF("base = 0x%lx, mask = 0x%lx, begin = 0x%lx, end = 0x%lx ,"
-	       "val = 0x%lx\n",
-		pRes->sparse_base, pRes->sparse_mask, range->rBegin,
-		range->rEnd, val);
-#endif
-	i = sizeof(memType) * 8;
-	tmp = prev = pRes->sparse_base;
-	
-	while (i) {
-	    tmp |= 1<< (--i) & val;
-	    if (tmp > range->rEnd)
-		tmp = prev;
-	    else
-		prev = tmp;
-	}
-	if (tmp >= range->rBegin) {
-#ifdef DEBUG
-	    ErrorF("conflict found at: 0x%lx\n",tmp);
-	    ErrorF("b-d conflict w: %lx %lx\n",
-		   pRes->sparse_base,pRes->sparse_mask);
-#endif
-	    return tmp;
-	}
-	else
-	    return 0;
-    }
-    return 0;
-}
-
-/*
- * checkConflictSparse() -- check for conflicts of a sparse resource range.
- * If conflict is found return base of conflicting region. Else return 0.
- */
-#define mt_max ~(memType)0
-#define length sizeof(memType) * 8
-static memType
-checkConflictSparse(resRange *range, resPtr pRes)
-{
-    memType val, tmp, prev;
-    int i;
-    
-    switch (pRes->res_type & ResExtMask) {
-    case ResSparse:
-	tmp = pRes->sparse_mask & range->rMask;
-	if ((tmp & pRes->sparse_base) == (tmp & range->rBase)) {
-#ifdef DEBUG
-	    ErrorF("s-b conflict w: %lx %lx\n",
-		   pRes->sparse_base,pRes->sparse_mask);
-#endif
-	    return pRes->sparse_mask;
-	}
-	return 0;
-
-    case ResBlock:
-	if (pRes->block_end < range->rBase) return 0;
-	
-	val = (~range->rMask | range->rBase) & getMask(pRes->block_end);
-	i = length;
-	tmp = prev = range->rBase;
-	
-	while (i) {
-#ifdef DEBUG
-	    ErrorF("tmp = 0x%lx\n",tmp);
-#endif
-	    tmp |= 1<< (--i) & val;
-	    if (tmp > pRes->block_end)
-		tmp = prev;
-	    else
-		prev = tmp;
-	}
-	if (tmp < pRes->block_begin) 
-	    return 0;
-	else {
-	    /*
-	     * now we subdivide the block region in sparse regions
-	     * with base values = 2^n and find the smallest mask.
-	     * This might be done in a simpler way....
-	     */
-	    memType mask, m_mask = 0, base = pRes->block_begin;
-	    int i;	    
-	    while (base < pRes->block_end) {
-		for (i = 1; i < length; i++)
-		    if ( base != (base & (mt_max << i))) break;
-		mask = mt_max >> (length - i);
-		do mask >>= 1;
-		while ((mask + base + 1) > pRes->block_end);
-		/* m_mask and are _inverted_ sparse masks */ 
-		m_mask = mask > m_mask ? mask : m_mask;
-		base = base + mask + 1;
-	    }
-#ifdef DEBUG
-	    ErrorF("conflict found at: 0x%lx\n",tmp);
-	    ErrorF("b-b conflict w: %lx %lx\n",
-		   pRes->block_begin,pRes->block_end);
-#endif
-	    return ~m_mask; 
-	}
-    }
-    return 0;
-}
-#undef mt_max
-#undef length
-
-/*
- * needCheck() -- this function decides whether to check for conflicts
- * depending on the types of the resource ranges and their locations
- */
-static Bool
-needCheck(resPtr pRes, unsigned long type, int entityIndex, xf86State state)
-{
-    /* the same entity shouldn't conflict with itself */
-    ScrnInfoPtr pScrn;
-    int i;
-    BusType loc = BUS_NONE;
-    BusType r_loc = BUS_NONE;
-
-    if ((pRes->res_type & ResTypeMask) != (type & ResTypeMask))
-        return FALSE;
-
-    /*
-     * Resources set by BIOS (ResBios) are allowed to conflict
-     * with resources marked (ResBios).
-     */
-    if (pRes->res_type & type & ResBios)
-	return FALSE;
-    
-    if (type & pRes->res_type & ResUnused)
- 	return FALSE;
-
-    if (state == OPERATING) {
-	if (type & ResDisableOpr || pRes->res_type & ResDisableOpr)
-	    return FALSE;
-	if (type & pRes->res_type & ResUnusedOpr) return FALSE;
-	/*
-	 * Maybe we should have ResUnused set The resUnusedOpr
-	 * bit, too. This way we could avoid this confusion
-	 */
-	if ((type & ResUnusedOpr && pRes->res_type & ResUnused) ||
-	    (type & ResUnused && pRes->res_type & ResUnusedOpr))
-	    return FALSE;
-    }
-    
-    if (entityIndex > -1)
-	loc = xf86Entities[entityIndex]->busType;
-    if (pRes->entityIndex > -1)
-	r_loc = xf86Entities[pRes->entityIndex]->busType;
-
-    if ((type & ResAccMask) == ResShared &&
-	(pRes->res_type & ResAccMask) == ResShared)
-	return FALSE;
-
-    if (pRes->entityIndex == entityIndex) return FALSE;
-
-    if (pRes->entityIndex > -1 &&
-	(pScrn = xf86FindScreenForEntity(entityIndex))) {
-	for (i = 0; i < pScrn->numEntities; i++)
-	    if (pScrn->entityList[i] == pRes->entityIndex) return FALSE;
-    }
-    return TRUE;
-}
-
-/*
- * checkConflict() - main conflict checking function which all other
- * function call.
- */
-static memType
-checkConflict(resRange *rgp, resPtr pRes, int entityIndex,
-	      xf86State state, Bool ignoreIdentical)
-{
-    memType ret;
-    
-    while(pRes) {
-	if (!needCheck(pRes,rgp->type, entityIndex ,state)) { 
-	    pRes = pRes->next;                    
-	    continue;                             
-	}
-	switch (rgp->type & ResExtMask) {
-	case ResBlock:
-	    if (rgp->rEnd < rgp->rBegin) {
-		xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n",
-			(long)rgp->rEnd, (long)rgp->rBegin);
-		return 0;
-	    }
-	    if ((ret = checkConflictBlock(rgp, pRes))) {
-		if (!ignoreIdentical || (rgp->rBegin != pRes->block_begin)
-		    || (rgp->rEnd != pRes->block_end))
-		    return ret;
-	    }
-    break;
-	case ResSparse:
-	    if ((rgp->rBase & rgp->rMask) != rgp->rBase) {
-		xf86Msg(X_ERROR,"sparse io range (base: 0x%lx  mask: 0x%lx)"
-			"doesn't satisfy (base & mask = mask)\n",
-			(long)rgp->rBase, (long)rgp->rMask);
-		return 0;
-	    }
-	    if ((ret = checkConflictSparse(rgp, pRes))) {
-		if (!ignoreIdentical || (rgp->rBase != pRes->sparse_base)
-		    || (rgp->rMask != pRes->sparse_mask))
-		    return ret;
-	    }
-	    break;
-	}
-	pRes = pRes->next;
-    }
-    return 0;
-}
-
-/*
- * xf86ChkConflict() - This function is the low level interface to
- * the resource broker that gets exported. Tests all resources ie.
- * performs test with SETUP flag.
- */
-static memType
-xf86ChkConflict(resRange *rgp, int entityIndex)
-{
-    return checkConflict(rgp, Acc, entityIndex, SETUP, FALSE);
-}
-
-/*
- * Resources List handling
- */
-
-static resPtr
-xf86JoinResLists(resPtr rlist1, resPtr rlist2)
-{
-    resPtr pRes;
-
-    if (!rlist1)
-	return rlist2;
-
-    if (!rlist2)
-	return rlist1;
-
-    for (pRes = rlist1; pRes->next; pRes = pRes->next)
-	;
-    pRes->next = rlist2;
-    return rlist1;
-}
-
-resPtr
-xf86AddResToList(resPtr rlist, resRange *range, int entityIndex)
-{
-    resPtr new;
-
-    switch (range->type & ResExtMask) {
-    case ResBlock:
-	if (range->rEnd < range->rBegin) {
-		xf86Msg(X_ERROR,"end of block range 0x%lx < begin 0x%lx\n",
-			(long)range->rEnd, (long)range->rBegin);
-		return rlist;
-	}
-	break;
-    case ResSparse:
-	if ((range->rBase & range->rMask) != range->rBase) {
-	    xf86Msg(X_ERROR,"sparse io range (base: 0x%lx  mask: 0x%lx)"
-		    "doesn't satisfy (base & mask = mask)\n",
-		    (long)range->rBase, (long)range->rMask);
-	    return rlist;
-	}
-	break;
-    }
-    
-    new = xnfalloc(sizeof(resRec));
-    /* 
-     * Only background resources may be registered with ResBios 
-     * and ResEstimated set. Other resources only set it for
-     * testing.
-     */
-    if (entityIndex != (-1)) 
-        range->type &= ~(ResBios | ResEstimated);
-    new->val = *range;
-    new->entityIndex = entityIndex;
-    new->next = rlist;
-    return new;
-}
-
-_X_EXPORT void
-xf86FreeResList(resPtr rlist)
-{
-    resPtr pRes;
-
-    if (!rlist)
-	return;
-
-    for (pRes = rlist->next; pRes; rlist = pRes, pRes = pRes->next)
-	xfree(rlist);
-    xfree(rlist);
-}
-
-static resPtr
-xf86DupResList(const resPtr rlist)
-{
-    resPtr pRes, ret, prev, new;
-
-    if (!rlist)
-	return NULL;
-
-    ret = xnfalloc(sizeof(resRec));
-    *ret = *rlist;
-    prev = ret;
-    for (pRes = rlist->next; pRes; pRes = pRes->next) {
-	new = xnfalloc(sizeof(resRec));
-	*new = *pRes;
-	prev->next = new;
-	prev = new;
-    }
-    return ret;
-}
-
-static void
-xf86PrintResList(int verb, resPtr list)
-{
-    int i = 0;
-    const char *s, *r;
-    resPtr tmp = list;
-    unsigned long type;
-    
-    if (!list)
-	return;
-
-    type = ResMem;
-    r = "M";
-    while (1) {
-	while (list) {
-	    if ((list->res_type & ResPhysMask) == type) {
-		switch (list->res_type & ResExtMask) {
-		case ResBlock:
-		    xf86ErrorFVerb(verb,
-				   "\t[%d] %d\t%ld\t0x%08lx - 0x%08lx (0x%lx)",
-				   i, list->entityIndex,
-				   (list->res_type & ResDomain) >> 24,
-				   (long)list->block_begin,
-				   (long)list->block_end,
-				   (long)(list->block_end -
-					  list->block_begin + 1));
-		    break;
-		case ResSparse:
-		    xf86ErrorFVerb(verb, "\t[%d] %d\t%ld\t0x%08lx - 0x%08lx ",
-				   i, list->entityIndex,
-				   (list->res_type & ResDomain) >> 24,
-				   (long)list->sparse_base,
-				   (long)list->sparse_mask);
-		    break;
-		default:
-		    list = list->next;
-		    continue;
-		}
-		xf86ErrorFVerb(verb, " %s", r);
-		switch (list->res_type & ResAccMask) {
-		case ResExclusive:
-		    if (list->res_type & ResUnused)
-			s = "x";
-		    else
-			s = "X";
-		    break;
-		case ResShared:
-		    if (list->res_type & ResUnused)
-			s = "s";
-		    else
-			s = "S";
-		    break;
-		default:
-		    s = "?";
-		}
-		xf86ErrorFVerb(verb, "%s", s);
-		switch (list->res_type & ResExtMask) {
-		case ResBlock:
-		    s = "[B]";
-		    break;
-		case ResSparse:
-		    s = "[S]";
-		    break;
-		default:
-		    s = "[?]";
-		}
-		xf86ErrorFVerb(verb, "%s", s);
-		if (list->res_type & ResInit)
-		    xf86ErrorFVerb(verb, "t");
-		if (list->res_type & ResBios)
-		    xf86ErrorFVerb(verb, "(B)");
-		if (list->res_type & ResBus)
-		    xf86ErrorFVerb(verb, "(b)");
-		if (list->res_type & ResOprMask) {
-		    switch (list->res_type & ResOprMask) {
-		    case ResUnusedOpr:
-			s = "(OprU)";
-			break;
-		    case ResDisableOpr:
-			s = "(OprD)";
-			break;
-		    default:
-			s = "(Opr?)";
-			break;
-		    }
-		    xf86ErrorFVerb(verb, "%s", s);
-		}
-		xf86ErrorFVerb(verb, "\n");
-		i++;
-	    }
-	    list = list->next;
-	}
-	if (type == ResIo) break;
-	type = ResIo;
-	r = "I";
-	list = tmp;
-    }
-}
-
-resPtr
-xf86AddRangesToList(resPtr list, resRange *pRange, int entityIndex)
-{
-    while(pRange && pRange->type != ResEnd) {
-	list = xf86AddResToList(list,pRange,entityIndex);
-	pRange++;
-    }
-    return list;
-}
-
 void
-xf86ResourceBrokerInit(void)
-{
-    Acc = NULL;
-
-    /* Get the ranges used exclusively by the system */
-    Acc = xf86AccResFromOS(Acc);
-    xf86MsgVerb(X_INFO, 3, "System resource ranges:\n");
-    xf86PrintResList(3, Acc);
-}
-
-/*
- * Resource registration
- */
-
-static void
-convertRange2Host(int entityIndex, resRange *pRange)
-{
-    if (pRange->type & ResBus) {
-	switch (xf86Entities[entityIndex]->busType) {
-	case BUS_PCI:
-	    pciConvertRange2Host(entityIndex,pRange);
-	    break;
-	default:
-	    break;
-	}
-
-	pRange->type &= ~ResBus;
-    }
-}
-
-static void
-xf86ConvertListToHost(int entityIndex, resPtr list)
-{
-    while (list) {
-	convertRange2Host(entityIndex, &list->val);
-	list = list->next;
-    }
-}
-
-/*
- * xf86RegisterResources() -- attempts to register listed resources.
- * Returns a resPtr listing all resources not successfully registered, by
- * which we mean, NULL.
- */
-
-_X_EXPORT resPtr
-xf86RegisterResources(int entityIndex, resList list, unsigned long access)
+xf86EnableAccess(ScrnInfoPtr pScrn)
 {
-    resRange range;
-    resList list_f = NULL;
-
-    if (!list)
-	return NULL;
+    DebugF("Enable access %i\n",pScrn->scrnIndex);
 
-    while(list->type != ResEnd) {
-	range = *list;
-
-	convertRange2Host(entityIndex,&range);
-
-	if ((access != ResNone) && (access & ResAccMask)) {
-	    range.type = (range.type & ~ResAccMask) | (access & ResAccMask);
-	}
- 	range.type &= ~ResEstimated;	/* Not allowed for drivers */
-	Acc = xf86AddResToList(Acc,&range,entityIndex);
-	list++;
-    }
-    if (list_f)
-      xfree(list_f);
-
-#ifdef DEBUG
-    xf86MsgVerb(X_INFO, 3,"Resources after driver initialization\n");
-    xf86PrintResList(3, Acc);
-#endif
-    return NULL;
-    
-}
-
-static void
-busTypeSpecific(EntityPtr pEnt, xf86AccessPtr *acc_mem,
-		xf86AccessPtr *acc_io, xf86AccessPtr *acc_mem_io)
-{
-    switch (pEnt->bus.type) {
-    case BUS_SBUS:
-	*acc_mem = *acc_io = *acc_mem_io = &AccessNULL;
-	break;
-    case BUS_PCI: {
-	struct pci_device *const dev = pEnt->bus.id.pci;
-
-	if ((dev != NULL) && ((void *)dev->user_data != NULL)) {
-	    pciAccPtr const paccp = (pciAccPtr) dev->user_data;
-	    
-	    *acc_io = & paccp->ioAccess;
-	    *acc_mem = & paccp->memAccess;
-	    *acc_mem_io = & paccp->io_memAccess;
-	}
-	else {
-	    /* FIXME: This is an error path.  We should probably have an
-	     * FIXME: assertion here or something.
-	     */
-	    *acc_io = NULL;
-	    *acc_mem = NULL;
-	    *acc_mem_io = NULL;
-	}
-	break;
-    }
-    default:
-	*acc_mem = *acc_io = *acc_mem_io = NULL;
-	break;
-    }
     return;
 }
 
-static void
-setAccess(EntityPtr pEnt, xf86State state)
-{
-
-    xf86AccessPtr acc_mem, acc_io, acc_mem_io;
-    xf86AccessPtr org_mem = NULL, org_io = NULL, org_mem_io = NULL;
-    int prop;
-    
-    busTypeSpecific(pEnt, &acc_mem, &acc_io, &acc_mem_io);
-
-    /* The replacement function needs to handle _all_ shared resources */
-    /* unless they are handeled locally and disabled otherwise         */
-    if (pEnt->rac) {
-	if (pEnt->rac->io_new) {
-	    org_io = acc_io;
-	    acc_io = pEnt->rac->io_new;
-	}
-	if (pEnt->rac->mem_new) {
-	    org_mem = acc_mem;
-	    acc_mem = pEnt->rac->mem_new;
-	}	
-	if (pEnt->rac->io_mem_new) {
-	    org_mem_io = acc_mem_io;
-	    acc_mem_io = pEnt->rac->io_mem_new;
-	}   
-    }
-    
-    if (state == OPERATING) {
-	prop = pEnt->entityProp;
-	switch(pEnt->entityProp & NEED_SHARED) {
-	case NEED_SHARED:
-	    pEnt->access->rt = MEM_IO;
-	    break;
-	case NEED_IO_SHARED:
-	    pEnt->access->rt = IO;
-	    break;
-	case NEED_MEM_SHARED:
-	    pEnt->access->rt = MEM;
-	    break;
-	default:
-	    pEnt->access->rt = NONE;
-	}
-    } else {
-	prop = NEED_SHARED | NEED_MEM | NEED_IO;
-	pEnt->access->rt = MEM_IO;
-    }
-    
-    switch(pEnt->access->rt) {
-    case IO:
-	pEnt->access->pAccess = acc_io;
-	break;
-    case MEM:
-	pEnt->access->pAccess = acc_mem;
-	break;
-    case MEM_IO:
-	pEnt->access->pAccess = acc_mem_io;
-	break;
-    default: /* no conflicts at all */
-	pEnt->access->pAccess =  NULL; /* remove from RAC */
-	break;
-    }
-
-    if (org_io) {
-	/* does the driver want the old access func? */
-	if (pEnt->rac->old) {
-	    /* give it to the driver, leave state disabled */
-	    pEnt->rac->old->io = org_io;
-	} else {
-	    /* driver doesn't want it - enable generic access */
-	    org_io->AccessEnable(org_io->arg);
-	}
-    }
-
-    if (org_mem_io) {
-	/* does the driver want the old access func? */
-	if (pEnt->rac->old) {
-	    /* give it to the driver, leave state disabled */
-	    pEnt->rac->old->io_mem = org_mem_io;
-	} else {
-	    /* driver doesn't want it - enable generic access */
-	    org_mem_io->AccessEnable(org_mem_io->arg);
-	}
-    }
-
-    if (org_mem) {
-	/* does the driver want the old access func? */
-	if (pEnt->rac->old) {
-	    /* give it to the driver, leave state disabled */
-	    pEnt->rac->old->mem = org_mem;
-	} else {
-	    /* driver doesn't want it - enable generic access */
-	    org_mem->AccessEnable(org_mem->arg);
-	}
-    }
-
-    if (!(prop & NEED_MEM_SHARED)){
-	if (prop & NEED_MEM) {
-	    if (acc_mem)
-		acc_mem->AccessEnable(acc_mem->arg);
-	} else {
-	    if (acc_mem)
-		acc_mem->AccessDisable(acc_mem->arg);
-	}
-    }
-
-    if (!(prop & NEED_IO_SHARED)) {
-	if (prop & NEED_IO) {
-	    if (acc_io)
-		acc_io->AccessEnable(acc_io->arg);
-	} else {
-	    if (acc_io)
-		acc_io->AccessDisable(acc_io->arg);
-	}
-    }
-
-    /* disable shared resources */
-    if (pEnt->access->pAccess)
-	pEnt->access->pAccess->AccessDisable(pEnt->access->pAccess->arg);
-
-    /*
-     * If device is not under access control it is enabled.
-     * If it needs bus routing do it here as it isn't bus
-     * type specific. Any conflicts should be checked at this
-     * stage
-     */
-    if (!pEnt->access->pAccess
-	&& (pEnt->entityProp & (state == SETUP ? NEED_VGA_ROUTED_SETUP :
-				NEED_VGA_ROUTED)))
-	((BusAccPtr)pEnt->busAcc)->set_f(pEnt->busAcc);
-}
-
-    
 /*
  * xf86EnterServerState() -- set state the server is in.
  */
@@ -1546,11 +478,6 @@ SetSIGIOForState(xf86State state)
 void
 xf86EnterServerState(xf86State state)
 {
-    EntityPtr pEnt;
-    ScrnInfoPtr pScrn;
-    int i,j;
-    int needVGA = 0;
-    resType rt;
     /* 
      * This is a good place to block SIGIO during SETUP state.
      * SIGIO should be blocked in SETUP state otherwise (u)sleep()
@@ -1558,262 +485,12 @@ xf86EnterServerState(xf86State state)
      * We take care not to call xf86BlockSIGIO() twice. 
      */
     SetSIGIOForState(state);
-#ifdef DEBUG
     if (state == SETUP)
-	ErrorF("Entering SETUP state\n");
+	DebugF("Entering SETUP state\n");
     else
-	ErrorF("Entering OPERATING state\n");
-#endif
+	DebugF("Entering OPERATING state\n");
 
-    /* When servicing a dumb framebuffer we don't need to do anything */
-    if (doFramebufferMode) return;
-
-    for (i=0; i<xf86NumScreens; i++) {
-	pScrn = xf86Screens[i];
-	j = pScrn->entityList[pScrn->numEntities - 1];
-	pScrn->access = xf86Entities[j]->access;
-	
- 	for (j = 0; j<xf86Screens[i]->numEntities; j++) {
- 	    pEnt = xf86Entities[xf86Screens[i]->entityList[j]];
- 	    if (pEnt->entityProp & (state == SETUP ? NEED_VGA_ROUTED_SETUP
- 				    : NEED_VGA_ROUTED)) 
-		xf86Screens[i]->busAccess = pEnt->busAcc;
- 	}
-	if (xf86Screens[i]->busAccess)
-	    needVGA ++;
-    }
-    
-    /*
-     * if we just have one screen we don't have RAC.
-     * Therefore just enable the screen and return.
-     */
-    if (!needRAC) {
-	xf86EnableAccess(xf86Screens[0]);
-	notifyStateChange(NOTIFY_ENABLE);
-	return;
-    }
-    
-    if (state == SETUP)
-	notifyStateChange(NOTIFY_SETUP_TRANSITION);
-    else
-	notifyStateChange(NOTIFY_OPERATING_TRANSITION);
-    
-    clearAccess();
-    for (i=0; i<xf86NumScreens;i++) {
-
-	rt = NONE;
-	
-	for (j = 0; j<xf86Screens[i]->numEntities; j++) {
-	    pEnt = xf86Entities[xf86Screens[i]->entityList[j]];
-	    setAccess(pEnt,state);
-
-	    if (pEnt->access->rt != NONE) {
-		if (rt != NONE && rt != pEnt->access->rt)
-		    rt = MEM_IO;
-		else
-		    rt = pEnt->access->rt;
-	    }
-	}
-	xf86Screens[i]->resourceType = rt;
-	if (rt == NONE) {
-	    xf86Screens[i]->access = NULL;
-	    if (needVGA < 2)
-		xf86Screens[i]->busAccess = NULL;
-	}
-	
-#ifdef DEBUG
-	if (xf86Screens[i]->busAccess)
-	    ErrorF("Screen %i setting vga route\n",i);
-#endif
-	switch (rt) {
-	case MEM_IO:
-	    xf86MsgVerb(X_INFO, 3, "Screen %i shares mem & io resources\n",i);
-	    break;
-	case IO:
-	    xf86MsgVerb(X_INFO, 3, "Screen %i shares io resources\n",i);
-	    break;
-	case MEM:
-	    xf86MsgVerb(X_INFO, 3, "Screen %i shares mem resources\n",i);
-	    break;
-	default:
-	    xf86MsgVerb(X_INFO, 3, "Entity %i shares no resources\n",i);
-	    break;
-	}
-    }
-    if (state == SETUP)
-	notifyStateChange(NOTIFY_SETUP);
-    else
-	notifyStateChange(NOTIFY_OPERATING);
-}
-
-/*
- * xf86SetOperatingState() -- Set ResOperMask for resources listed.
- */
-_X_EXPORT resPtr
-xf86SetOperatingState(resList list, int entityIndex, int mask)
-{
-    resPtr acc;
-    resPtr r_fail = NULL;
-    resRange range;
-    
-    while (list->type != ResEnd) {
-	range = *list;
-	convertRange2Host(entityIndex,&range);
-
-	acc = Acc;
-	while (acc) {
-#define MASK (ResTypeMask | ResExtMask)
-	    if ((acc->entityIndex == entityIndex) 
-		&& (acc->val.a == range.a) && (acc->val.b == range.b)
-		&& ((acc->val.type & MASK) == (range.type & MASK)))
-		break;
-#undef MASK
-	    acc = acc->next;
-	}
-	if (acc)
-	    acc->val.type = (acc->val.type & ~ResOprMask)
-		| (mask & ResOprMask);
-	else {
-	    r_fail = xf86AddResToList(r_fail,&range,entityIndex);
-	}
-	list ++;
-    }
-    
-     return r_fail;
-}
-
-/*
- * Stage specific code
- */
-
-/*
- * xf86ClaimFixedResources() is used to allocate non-relocatable resources.
- * This should only be done by a driver's Probe() function.
- */
-_X_EXPORT void
-xf86ClaimFixedResources(resList list, int entityIndex)
-{
-    resPtr ptr = NULL;
-    resRange range;	
-
-    if (!list) return;
-    
-    while (list->type !=ResEnd) {
- 	range = *list;
-
-	convertRange2Host(entityIndex,&range);
-
- 	range.type &= ~ResEstimated;	/* Not allowed for drivers */
- 	switch (range.type & ResAccMask) {
-  	case ResExclusive:
- 	    if (!xf86ChkConflict(&range, entityIndex)) {
- 		Acc = xf86AddResToList(Acc, &range, entityIndex);
-	    } else FatalError("xf86ClaimFixedResources conflict\n");
-	    break;
-	case ResShared:
-	    /* at this stage the resources are just added to the
-	     * EntityRec. After the Probe() phase this list is checked by
-	     * xf86PostProbe(). All resources which don't
-	     * conflict with already allocated ones are allocated
-	     * and removed from the EntityRec. Thus a non-empty resource
-	     * list in the EntityRec indicates resource conflicts the
-	     * driver should either handle or fail.
-	     */
-	    if (xf86Entities[entityIndex]->active)
-		ptr = xf86AddResToList(ptr,&range,entityIndex);
-	    break;
-	}
-	list++;
-    }
-    xf86Entities[entityIndex]->resources =
-	xf86JoinResLists(xf86Entities[entityIndex]->resources,ptr);
-    xf86MsgVerb(X_INFO, 3,
-	"resource ranges after xf86ClaimFixedResources() call:\n");
-    xf86PrintResList(3,Acc);
-#ifdef DEBUG
-    if (ptr) {
-	xf86MsgVerb(X_INFO, 3, "to be registered later:\n");
-	xf86PrintResList(3,ptr);
-    }
-#endif
-}
-
-static void
-checkRoutingForScreens(xf86State state)
-{
-    resList list = resVgaUnusedExclusive;
-    resPtr pResVGA = NULL;
-    resPtr pResVGAHost;
-    pointer vga = NULL;
-    int i,j;
-    int entityIndex;
-    EntityPtr pEnt;
-    resPtr pAcc;
-    resRange range;
-
-    /*
-     * find devices that need VGA routed: ie the ones that have
-     * registered VGA resources without ResUnused. ResUnused
-     * doesn't conflict with itself therefore use it here.
-     */
-    while (list->type != ResEnd) { /* create resPtr from resList for VGA */
-	range = *list;
-	range.type &= ~(ResBios | ResEstimated); /* if set remove them */
-	pResVGA = xf86AddResToList(pResVGA, &range, -1);
-	list++;
-    }
-
-    for (i = 0; i < xf86NumScreens; i++) {
-	for (j = 0; j < xf86Screens[i]->numEntities; j++) {
-	    entityIndex = xf86Screens[i]->entityList[j];
-	    pEnt = xf86Entities[entityIndex];
-	    pAcc = Acc;
-	    vga = NULL;
-	    pResVGAHost = xf86DupResList(pResVGA);
-	    xf86ConvertListToHost(entityIndex,pResVGAHost);
-	    while (pAcc) {
-		if (pAcc->entityIndex == entityIndex)
-		    if (checkConflict(&pAcc->val, pResVGAHost,
-				      entityIndex, state, FALSE)) {
-			if (vga && vga != pEnt->busAcc) {
-			    xf86Msg(X_ERROR, "Screen %i needs vga routed to"
-				    "different buses - deleting\n",i);
-			    xf86DeleteScreen(i--,0);
-			}
-#ifdef DEBUG
-			{
-			    resPtr rlist = xf86AddResToList(NULL,&pAcc->val,
-							    pAcc->entityIndex);
-			    xf86MsgVerb(X_INFO,3,"====== %s\n",
-					state == OPERATING ? "OPERATING"
-					: "SETUP");
-			    xf86MsgVerb(X_INFO,3,"%s Resource:\n",
-					(pAcc->val.type) & ResMem ? "Mem" :"Io");
-			    xf86PrintResList(3,rlist);
-			    xf86FreeResList(rlist);
-			    xf86MsgVerb(X_INFO,3,"Conflicts with:\n");
-			    xf86PrintResList(3,pResVGAHost);
-			    xf86MsgVerb(X_INFO,3,"=====\n");
-			}
-#endif
-			vga = pEnt->busAcc;
-			pEnt->entityProp |= (state == SETUP
-			    ? NEED_VGA_ROUTED_SETUP : NEED_VGA_ROUTED);
-			if (state == OPERATING) {
-			    if (pAcc->val.type & ResMem)
-				pEnt->entityProp |= NEED_VGA_MEM;
-			    else
-				pEnt->entityProp |= NEED_VGA_IO;
-			}
-		    }
-		pAcc = pAcc->next;
-	    }
-	    if (vga)
-		xf86MsgVerb(X_INFO, 3,"Setting vga for screen %i.\n",i);
-	    xf86FreeResList(pResVGAHost);
-	}
-    }
-    xf86FreeResList(pResVGA);
+    return;
 }
 
 /*
@@ -1823,10 +500,6 @@ checkRoutingForScreens(xf86State state)
 void
 xf86PostProbe(void)
 {
-    memType val;
-    int i,j;
-    resPtr resp, acc, tmp, resp_x;
-
     if (fbSlotClaimed) {
         if (pciSlotClaimed
 #if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
@@ -1838,531 +511,40 @@ xf86PostProbe(void)
 	    return;
 	} else  {
 	    xf86Msg(X_INFO,"Running in FRAMEBUFFER Mode\n");
-	    xf86AccessRestoreState();
-	    notifyStateChange(NOTIFY_ENABLE);
 	    doFramebufferMode = TRUE;
 
 	    return;
 	}
     }
-    acc = tmp = xf86DupResList(Acc);
-
-    for (i=0; i<xf86NumEntities; i++) {
-	resp = xf86Entities[i]->resources;
-	xf86Entities[i]->resources = NULL;
-	resp_x = NULL;
-	while (resp) {
-	    if (! (val = checkConflict(&resp->val,acc,i,SETUP,FALSE)))  {
- 	        resp->res_type &= ~(ResBios); /* just used for chkConflict() */
-		tmp = resp_x;
-		resp_x = resp;
-		resp = resp->next;
-		resp_x->next = tmp;
-		} else {
-		    xf86MsgVerb(X_INFO, 3, "Found conflict at: 0x%lx\n",
-				(long)val);
- 		    resp->res_type &= ~ResEstimated;
-		    tmp = xf86Entities[i]->resources;
-		    xf86Entities[i]->resources = resp;
-		    resp = resp->next;
-		    xf86Entities[i]->resources->next = tmp;
-		}
-	}
-	xf86JoinResLists(Acc,resp_x);
-    }
-    xf86FreeResList(acc);
-    
-    xf86MsgVerb(X_INFO, 3, "resource ranges after probing:\n");
-    xf86PrintResList(3, Acc);
-    checkRoutingForScreens(SETUP);
-
-    for (i = 0; i < xf86NumScreens; i++) {
-	for (j = 0; j<xf86Screens[i]->numEntities; j++) {
-	    EntityPtr pEnt = xf86Entities[xf86Screens[i]->entityList[j]];
- 	    if ((pEnt->entityProp & NEED_VGA_ROUTED_SETUP) &&
- 		((xf86Screens[i]->busAccess = pEnt->busAcc)))
-		break;
-	}
-    }
-}
-
-static void
-checkRequiredResources(int entityIndex)
-{
-    resRange range;
-    resPtr pAcc = Acc;
-    const EntityPtr pEnt = xf86Entities[entityIndex];
-    while (pAcc) {
-	if (pAcc->entityIndex == entityIndex) {
-	    range = pAcc->val;
-	    /*  ResAny to find conflicts with anything. */
-	    range.type = (range.type & ~ResAccMask) | ResAny | ResBios;
-	    if (checkConflict(&range,Acc,entityIndex,OPERATING,FALSE))
-		switch (pAcc->res_type & ResPhysMask) {
-		case ResMem:
-		    pEnt->entityProp |= NEED_MEM_SHARED;
-		    break;
-		case ResIo:
-		    pEnt->entityProp |= NEED_IO_SHARED;
-		    break;
-		}
-	    if (!(pAcc->res_type & ResOprMask)) {
-		switch (pAcc->res_type & ResPhysMask) {
-		case ResMem:
-		    pEnt->entityProp |= NEED_MEM;
-		    break;
-		case ResIo:
-		    pEnt->entityProp |= NEED_IO;
-		    break;
-		}
-	    }
-	}
-	pAcc = pAcc->next;
-    }
-    
-    /*
-     * After we have checked all resources of an entity agains any
-     * other resource we know if the entity need this resource type
-     * (ie. mem/io) at all. if not we can disable this type completely,
-     * so no need to share it either. 
-     */
-    if ((pEnt->entityProp & NEED_MEM_SHARED)
-	&& (!(pEnt->entityProp & NEED_MEM)))
-	pEnt->entityProp &= ~(unsigned long)NEED_MEM_SHARED;
-
-    if ((pEnt->entityProp & NEED_IO_SHARED)
-	&& (!(pEnt->entityProp & NEED_IO)))
-	pEnt->entityProp &= ~(unsigned long)NEED_IO_SHARED;
-}
-
-void
-xf86PostPreInit()
-{
-  if (doFramebufferMode) return;
-
-    if (xf86NumScreens > 1)
-	needRAC = TRUE;
-
-    xf86MsgVerb(X_INFO, 3, "do I need RAC?");
-    
-    if (needRAC) {
-	xf86ErrorFVerb(3, "  Yes, I do.\n");
-    } else {
-	xf86ErrorFVerb(3, "  No, I don't.\n");
-    }
- 	
-    xf86MsgVerb(X_INFO, 3, "resource ranges after preInit:\n");
-    xf86PrintResList(3, Acc);
 }
 
 void
 xf86PostScreenInit(void)
 {
-    int i,j;
-    ScreenPtr pScreen;
-    unsigned int flags;
-    int nummem = 0, numio = 0;
-
+#ifdef HAVE_PCI_DEVICE_VGAARB_INIT
+    int vga_count;
+#endif
     if (doFramebufferMode) {
 	SetSIGIOForState(OPERATING);
 	return;
     }
 
-#ifdef DEBUG
-    ErrorF("PostScreenInit  generation: %i\n",serverGeneration);
-#endif
-    if (serverGeneration == 1) {
-	checkRoutingForScreens(OPERATING);
-	for (i=0; i<xf86NumEntities; i++) {
-	    checkRequiredResources(i);
-	}
-	
-	/*
-	 * after removing NEED_XXX_SHARED from entities that
-	 * don't need need XXX resources at all we might have
-	 * a single entity left that has NEED_XXX_SHARED set.
-	 * In this case we can delete that, too.
-	 */
-	for (i = 0; i < xf86NumEntities; i++) {
-	    if (xf86Entities[i]->entityProp & NEED_MEM_SHARED)
-		nummem++;
-	    if (xf86Entities[i]->entityProp & NEED_IO_SHARED)
-		numio++;
-	}
-	for (i = 0; i < xf86NumEntities; i++) {
-	    if (nummem < 2)
-		xf86Entities[i]->entityProp &= ~NEED_MEM_SHARED;
-	    if (numio < 2)
-		xf86Entities[i]->entityProp &= ~NEED_IO_SHARED;
-	}
-    }
-    
-    if (xf86Screens && needRAC) {
-	int needRACforVga = 0;
-
-	for (i = 0; i < xf86NumScreens; i++) {
-	    for (j = 0; j < xf86Screens[i]->numEntities; j++) {
-		if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-		    & NEED_VGA_ROUTED) {
-		    needRACforVga ++;
-		    break; /* only count each screen once */
-		}
-	    }
-	}
-	
-	for (i = 0; i < xf86NumScreens; i++) {
-	    Bool needRACforMem = FALSE, needRACforIo = FALSE;
-	    
-	    for (j = 0; j < xf86Screens[i]->numEntities; j++) {
-		if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-		    & NEED_MEM_SHARED)
-		    needRACforMem = TRUE;
-		if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-		    & NEED_IO_SHARED)
-		    needRACforIo = TRUE;
-		/*
-		 * We may need RAC although we don't share any resources
-		 * as we need to route VGA to the correct bus. This can
-		 * only be done simultaniously for MEM and IO.
-		 */
-		if (needRACforVga > 1) {
-		    if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-			& NEED_VGA_MEM)
-			needRACforMem = TRUE;
-		    if (xf86Entities[xf86Screens[i]->entityList[j]]->entityProp
-			& NEED_VGA_IO)
-			needRACforIo = TRUE;		
-		}
-	    }
-		
-	    pScreen = xf86Screens[i]->pScreen;
-	    flags = 0;
-	    if (needRACforMem) {
-		flags |= xf86Screens[i]->racMemFlags;
-		xf86ErrorFVerb(3, "Screen %d is using RAC for mem\n", i);
-	    }
-	    if (needRACforIo) {
-		flags |= xf86Screens[i]->racIoFlags;
-		xf86ErrorFVerb(3, "Screen %d is using RAC for io\n", i);
-	    }
-	    
-	    xf86RACInit(pScreen,flags);
-	}
-    }
-    
-    xf86EnterServerState(OPERATING);
-    
-}
-
-/*
- * Sets
- */
-
-
-static resPtr
-decomposeSparse(resRange range)
-{
-    resRange new;
-    resPtr ret = NULL;
-    memType val = range.rBegin;
-    int i = 0;
-    
-    new.type = (range.type & ~ResExtMask) | ResSparse;
-
-    while (1) {
-	if (val & 0x01) {
-	    new.rBase = (val << i);
-	    new.rMask = ~((1 << i) - 1);
-	    ret = xf86AddResToList(ret,&new,-1);
-	    val ++;
-	}
-	i++;
-	val >>= 1;
-	if ((((val + 1) << i) - 1) > range.rEnd)
-	    break;
-    }
-    i--;
-    val <<= 1;
-    
-    while (1) {
-	if((((val + 1) << i) - 1)> range.rEnd) {
-	    if (--i < 0) break;
-	    val <<= 1;
-	} else {
-	    new.rBase = (val << i);
-	    new.rMask = ~((1 << i) - 1);
-	    val++;
-	    ret = xf86AddResToList(ret,&new,-1);
-	}
-    }
-    return ret;
-}
-    
-static Bool
-x_isSubsetOf(resRange range, resPtr list1, resPtr list2)
-{
-    resRange range1, range2;
-    memType m1_A_m2;
-    Bool ret;
-    resPtr list;
-    
-    if (list1) {
-	list = list1;
-	if ((range.type & ResTypeMask) == (list->res_type & ResTypeMask)) {
-	    switch (range.type & ResExtMask) {
-	    case ResBlock:
-		if ((list->res_type & ResExtMask) == ResBlock) {
-		    if (range.rBegin >= list->block_begin
-			&& range.rEnd <= list->block_end)
-			return TRUE;
-		    else if (range.rBegin < list->block_begin
-			     && range.rEnd > list->block_end) {
-			RANGE(range1, range.rBegin, list->block_begin - 1,
-			      range.type);
-			RANGE(range2, list->block_end + 1, range.rEnd,
-			      range.type);
-			return (x_isSubsetOf(range1,list->next,list2) &&
-				x_isSubsetOf(range2,list->next,list2));
-		    }
-		    else if (range.rBegin >= list->block_begin
-			     && range.rBegin <= list->block_end) {
-			RANGE(range1, list->block_end + 1, range.rEnd,
-			      range.type);
-			return (x_isSubsetOf(range1,list->next,list2));
-		    } else if (range.rEnd >= list->block_begin
-			       && range.rEnd <= list->block_end) {
-			RANGE(range1,range.rBegin, list->block_begin - 1,
-			      range.type);
-			return (x_isSubsetOf(range1,list->next,list2));
-		    } 
-		}
-		break;
-	    case ResSparse:
-		if ((list->res_type & ResExtMask) == ResSparse) {
-		    memType test;
-		    int i;
-		    
-		    m1_A_m2 = range.rMask & list->sparse_mask;
-		    if ((range.rBase ^ list->sparse_base) & m1_A_m2)
-			break;
-		    /*
-		     * We use the following system:
-		     * let 0 ^= mask:1 base:0, 1 ^= mask:1 base:1,
-		     * X mask:0 ; S: set TSS: test set for subset
-		     * NTSS: new test set after test
-		     *    S: 1   0   1   0   X   X   0   1   X
-		     *  TSS: 1   0   0   1   1   0   X   X   X
-		     *    T: 0   0   1   1   0   0   0   0   0
-		     * NTSS: 1   0  0/X  1/X 1   0   1   0   X
-		     *    R: 0   0   0   0   0   0   1   1   0
-		     * If R != 0 TSS and S are disjunct
-		     * If R == 0 TSS is subset of S
-		     * If R != 0 NTSS contains elements from TSS
-		     * which are not also members of S.
-		     * If a T is set one of the correspondig bits
-		     * in NTSS must be set to the specified value
-		     * all other are X
-		     */
-		    test = list->sparse_mask & ~range.rMask;
-		    if (test == 0)
-			return TRUE;
-		    for (i = 0; i < sizeof(memType); i++) {
-			if ((test >> i) & 0x1) {
-			    RANGE(range1, ((range.rBase & list->sparse_base)
-				  | (range.rBase & ~list->sparse_mask)
-				  | ((~list->sparse_base & list->sparse_mask)
-				     & ~range.rMask)) & range1.rMask,
-				  ((range.rMask | list->sparse_mask) & ~test)
-				  | (1 << i), range.type);
-			    return (x_isSubsetOf(range1,list->next,list2));
-			}
-		    }
-		}
-		break;
-	    }
-	}
-	return (x_isSubsetOf(range,list->next,list2));
-    } else if (list2) {
-	resPtr tmpList = NULL;
-	switch (range.type & ResExtMask) {
-	case ResBlock:
-	    tmpList = decomposeSparse(range);
-	    while (tmpList) {
-		if (!x_isSubsetOf(tmpList->val,list2,NULL)) {
-		    xf86FreeResList(tmpList);
-		    return FALSE;
-		}
-		tmpList = tmpList->next;
-	    }
-	    xf86FreeResList(tmpList);
-	    return TRUE;
-	    break;
-	case ResSparse:
-	    while (list2) {
-		tmpList = xf86JoinResLists(tmpList,decomposeSparse(list2->val));
-		list2 = list2->next;
-	    }
-	    ret = x_isSubsetOf(range,tmpList,NULL);
-	    xf86FreeResList(tmpList);
-	    return ret;
-	    break;
-	}
-    } else
-	return FALSE;
-
-    return FALSE;
-}
-
-Bool
-xf86IsSubsetOf(resRange range, resPtr list)
-{
-    resPtr dup = xf86DupResList(list);
-    resPtr r_sp = NULL, r = NULL, tmp = NULL;
-    Bool ret = FALSE;
-    
-    while (dup) {
-	tmp = dup;
-	dup = dup->next;
-	switch (tmp->res_type & ResExtMask) {
-	case ResBlock:
-	    tmp->next = r;
-	    r = tmp;
-	    break;
-	case ResSparse:
-	    tmp->next = r_sp;
-	    r_sp = tmp;
-	    break;
-	}
-    }
-    
-    switch (range.type & ResExtMask) {
-    case ResBlock:
-	ret = x_isSubsetOf(range,r,r_sp);
-	break;
-    case ResSparse:
-	ret = x_isSubsetOf(range,r_sp,r);
-	break;
-    }
-    xf86FreeResList(r);
-    xf86FreeResList(r_sp);
-    
-    return ret;
-}
-
-static resPtr
-findIntersect(resRange Range, resPtr list)
-{
-    resRange range;
-    resPtr new = NULL;
-    
-    while (list) {
-	    if ((Range.type & ResTypeMask) == (list->res_type & ResTypeMask)) {
-		switch (Range.type & ResExtMask) {
-		case ResBlock:
-		    switch (list->res_type & ResExtMask) {
-		    case ResBlock:
-			if (Range.rBegin >= list->block_begin)
-			    range.rBegin = Range.rBegin;
-			else
-			    range.rBegin = list->block_begin;
-			if (Range.rEnd <= list->block_end)
-			    range.rEnd = Range.rEnd;
-			else 
-			    range.rEnd = list->block_end;
-			if (range.rEnd > range.rBegin) {
-			    range.type = Range.type;
-			    new = xf86AddResToList(new,&range,-1);
-			}
-			break;
-		    case ResSparse:
-			new = xf86JoinResLists(new,xf86FindIntersectOfLists(new,decomposeSparse(list->val)));
-			break;
-		    }
-		    break;
-		case ResSparse:
-		    switch (list->res_type & ResExtMask) {
-		    case ResSparse:
-			if (!((~(range.rBase ^ list->sparse_base)
-			    & (range.rMask & list->sparse_mask)))) {
-			    RANGE(range, (range.rBase & list->sparse_base)
-				  | (~range.rMask & list->sparse_base)
-				  | (~list->sparse_mask & range.rBase),
-				  range.rMask | list->sparse_mask,
-				  Range.type);
-			    new = xf86AddResToList(new,&range,-1);
-			}
-			break;
-		    case ResBlock:
-			new = xf86JoinResLists(new,xf86FindIntersectOfLists(
-			    decomposeSparse(range),list));
-			break;
-		    }
-		}
-	    }
-	list = list->next;
-    }
-    return new;
-}
-    
-resPtr
-xf86FindIntersectOfLists(resPtr l1, resPtr l2)
-{
-    resPtr ret = NULL;
-
-    while (l1) {
-	ret = xf86JoinResLists(ret,findIntersect(l1->val,l2));
-	l1 = l1->next;
-    }
-    return ret;
-}
-
-#if 0	/* Not used */
-static resPtr
-xf86FindComplement(resRange Range)
-{
-    resRange range;
-    memType tmp;
-    resPtr new = NULL;
-    int i;
-    
-    switch (Range.type & ResExtMask) {
-    case ResBlock:
-	if (Range.rBegin > 0) {
-	    RANGE(range, 0, Range.rBegin - 1, Range.type);
-	    new = xf86AddResToList(new,&range,-1);
-	}
-	if (Range.rEnd < (memType)~0) {
-	    RANGE(range,Range.rEnd + 1, (memType)~0, Range.type);
-	    new = xf86AddResToList(new,&range,-1);
-	}
-	break;
-    case ResSparse:
-	tmp = Range.rMask;
-	for (i = 0; i < sizeof(memType); i++) {
-	    if (tmp & 0x1) {
-		RANGE(range,(~Range.rMask & range.rMask),(1 << i), Range.type);
-		new = xf86AddResToList(new,&range,-1);
-	    }
-	}
-	break;
-    default:
-	break;
+    /*
+     * we need to wrap the arbiter if we have more than
+     * one VGA card - hotplug cries.
+     */
+#ifdef HAVE_PCI_DEVICE_VGAARB_INIT
+    pci_device_vgaarb_get_info(NULL, &vga_count, NULL);
+    if (vga_count > 1 && xf86Screens) {
+	int i;
+	xf86Msg(X_INFO,"Number of VGA devices: %d: arbiter wrapping enabled\n", vga_count);
+        for (i = 0; i < xf86NumScreens; i++)
+	    xf86VGAarbiterWrapFunctions(xf86Screens[i]->pScreen);
     }
-    return new;
-}
 #endif
-
-resPtr
-xf86ExtractTypeFromList(resPtr list, unsigned long type)
-{
-    resPtr ret = NULL;
+    DebugF("PostScreenInit  generation: %i\n",serverGeneration);
+    xf86EnterServerState(OPERATING);
     
-    while (list) {
-	if ((list->res_type & ResTypeMask) == type)
-	    ret = xf86AddResToList(ret,&(list->val),list->entityIndex);
-	list = list->next;
-    }
-    return ret;
 }
 
 /*
@@ -2370,7 +552,7 @@ xf86ExtractTypeFromList(resPtr list, unsigned long type)
  * was active when the server was started.
  */
 void
-xf86FindPrimaryDevice()
+xf86FindPrimaryDevice(void)
 {
     if (primaryBus.type != BUS_NONE) {
 	char *bus;
@@ -2398,81 +580,7 @@ xf86FindPrimaryDevice()
     }
 }
 
-Bool
-xf86NoSharedResources(int screenIndex,resType res)
-{
-    int j;
-    
-    if (screenIndex > xf86NumScreens)
-	return TRUE;
-
-    for (j = 0; j < xf86Screens[screenIndex]->numEntities; j++) {
-      switch (res) {
-      case IO:
-	if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp
-	     & NEED_IO_SHARED)
-	  return FALSE;
-	break;
-      case MEM:
-	if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp
-	     & NEED_MEM_SHARED)
-	  return FALSE;
-	break;
-      case MEM_IO:
-	if ( xf86Entities[xf86Screens[screenIndex]->entityList[j]]->entityProp
-	     & NEED_SHARED)
-	  return FALSE;
-	break;
-      case NONE:
-	break;
-      }
-    }
-    return TRUE;
-}
-
-_X_EXPORT void
-xf86RegisterStateChangeNotificationCallback(xf86StateChangeNotificationCallbackFunc func, pointer arg)
-{
-    StateChangeNotificationPtr ptr =
-	(StateChangeNotificationPtr)xnfalloc(sizeof(StateChangeNotificationRec));
-
-    ptr->func = func;
-    ptr->arg = arg;
-    ptr->next = StateChangeNotificationList;
-    StateChangeNotificationList = ptr;
-}
-
-_X_EXPORT Bool
-xf86DeregisterStateChangeNotificationCallback(xf86StateChangeNotificationCallbackFunc func)
-{
-    StateChangeNotificationPtr *ptr = &StateChangeNotificationList;
-    StateChangeNotificationPtr tmp;
-    
-    while (*ptr) {
-	if ((*ptr)->func == func) {
-	    tmp = (*ptr);
-	    (*ptr) = (*ptr)->next;
-	    xfree(tmp);
-	    return TRUE;
-	}
-	ptr = &((*ptr)->next);
-    }
-    return FALSE;
-}
-
-static void
-notifyStateChange(xf86NotifyState state)
-{
-    StateChangeNotificationPtr ptr = StateChangeNotificationList;
-    while (ptr) {
-	ptr->func(state,ptr->arg);
-	ptr = ptr->next;
-    }
-}
-
-/* Multihead accel sharing accessor functions and entity Private handling */
-
-_X_EXPORT int
+int
 xf86GetLastScrnFlag(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2482,7 +590,7 @@ xf86GetLastScrnFlag(int entityIndex)
     }
 }
 
-_X_EXPORT void
+void
 xf86SetLastScrnFlag(int entityIndex, int scrnIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2490,7 +598,7 @@ xf86SetLastScrnFlag(int entityIndex, int scrnIndex)
     }
 }
 
-_X_EXPORT Bool
+Bool
 xf86IsEntityShared(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2501,7 +609,7 @@ xf86IsEntityShared(int entityIndex)
     return FALSE;
 }
 
-_X_EXPORT void
+void
 xf86SetEntityShared(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2509,7 +617,7 @@ xf86SetEntityShared(int entityIndex)
     }
 }
 
-_X_EXPORT Bool
+Bool
 xf86IsEntitySharable(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2520,7 +628,7 @@ xf86IsEntitySharable(int entityIndex)
     return FALSE;
 }
 
-_X_EXPORT void
+void
 xf86SetEntitySharable(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2528,7 +636,7 @@ xf86SetEntitySharable(int entityIndex)
     }
 }
 
-_X_EXPORT Bool
+Bool
 xf86IsPrimInitDone(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2539,7 +647,7 @@ xf86IsPrimInitDone(int entityIndex)
     return FALSE;
 }
 
-_X_EXPORT void
+void
 xf86SetPrimInitDone(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2547,7 +655,7 @@ xf86SetPrimInitDone(int entityIndex)
     }
 }
 
-_X_EXPORT void
+void
 xf86ClearPrimInitDone(int entityIndex)
 {
     if(entityIndex < xf86NumEntities) {
@@ -2560,7 +668,7 @@ xf86ClearPrimInitDone(int entityIndex)
  * Allocate a private in the entities.
  */
 
-_X_EXPORT int
+int
 xf86AllocateEntityPrivateIndex(void)
 {
     int idx, i;
@@ -2579,7 +687,7 @@ xf86AllocateEntityPrivateIndex(void)
     return idx;
 }
 
-_X_EXPORT DevUnion *
+DevUnion *
 xf86GetEntityPrivate(int entityIndex, int privIndex)
 {
     if (entityIndex >= xf86NumEntities || privIndex >= xf86EntityPrivateCount)