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Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Bus.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86Bus.c1990
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)