static void
CheckSbusDevice(const char *device, int fbNum)
{
int fd, i;
struct fbgattr fbattr;
sbusDevicePtr psdp;
fd = open(device, O_RDONLY, 0);
if (fd < 0)
return;
memset(&fbattr, 0, sizeof(fbattr));
if (ioctl(fd, FBIOGATTR, &fbattr) < 0) {
if (ioctl(fd, FBIOGTYPE, &fbattr.fbtype) < 0) {
close(fd);
return;
}
}
close(fd);
for (i = 0; sbusDeviceTable[i].devId; i++)
if (sbusDeviceTable[i].fbType == fbattr.fbtype.fb_type)
break;
if (! sbusDeviceTable[i].devId)
return;
xf86SbusInfo = xnfrealloc(xf86SbusInfo, sizeof(psdp) * (++xf86nSbusInfo + 1));
xf86SbusInfo[xf86nSbusInfo] = NULL;
xf86SbusInfo[xf86nSbusInfo - 1] = psdp = xnfcalloc(sizeof (sbusDevice), 1);
psdp->devId = sbusDeviceTable[i].devId;
psdp->fbNum = fbNum;
psdp->device = xnfstrdup(device);
psdp->width = fbattr.fbtype.fb_width;
psdp->height = fbattr.fbtype.fb_height;
psdp->fd = -1;
}
ScrnInfoPtr
xf86AllocateScreen(DriverPtr drv, int flags)
{
int i;
if (xf86Screens == NULL)
xf86NumScreens = 0;
i = xf86NumScreens++;
xf86Screens = xnfrealloc(xf86Screens, xf86NumScreens * sizeof(ScrnInfoPtr));
xf86Screens[i] = xnfcalloc(sizeof(ScrnInfoRec), 1);
xf86Screens[i]->scrnIndex = i; /* Changes when a screen is removed */
xf86Screens[i]->origIndex = i; /* This never changes */
xf86Screens[i]->privates = xnfcalloc(sizeof(DevUnion),
xf86ScrnInfoPrivateCount);
/*
* EnableDisableFBAccess now gets initialized in InitOutput()
* xf86Screens[i]->EnableDisableFBAccess = xf86EnableDisableFBAccess;
*/
xf86Screens[i]->drv = drv;
drv->refCount++;
xf86Screens[i]->module = DuplicateModule(drv->module, NULL);
xf86Screens[i]->DriverFunc = drv->driverFunc;
return xf86Screens[i];
}
void
xf86AddDriver(DriverPtr driver, pointer module, int flags)
{
/* Don't add null entries */
if (!driver)
return;
if (xf86DriverList == NULL)
xf86NumDrivers = 0;
xf86NumDrivers++;
xf86DriverList = xnfrealloc(xf86DriverList,
xf86NumDrivers * sizeof(DriverPtr));
xf86DriverList[xf86NumDrivers - 1] = xnfalloc(sizeof(DriverRec));
if (flags & HaveDriverFuncs)
*xf86DriverList[xf86NumDrivers - 1] = *driver;
else {
(void) memset( xf86DriverList[xf86NumDrivers - 1], 0,
sizeof( DriverRec ) );
(void) memcpy( xf86DriverList[xf86NumDrivers - 1], driver,
sizeof(DriverRec1));
}
xf86DriverList[xf86NumDrivers - 1]->module = module;
xf86DriverList[xf86NumDrivers - 1]->refCount = 0;
}
/*
* This is called by the driver, either through xf86Match???Instances() or
* directly. We allocate a GDevRec and fill it in as much as we can, letting
* the caller fill in the rest and/or change it as it sees fit.
*/
GDevPtr
xf86AddBusDeviceToConfigure(const char *driver, BusType bus, void *busData, int chipset)
{
int ret, i, j;
if (!xf86DoConfigure || !xf86DoConfigurePass1)
return NULL;
/* Check for duplicates */
switch (bus) {
case BUS_PCI:
ret = bus_pci_configure(busData);
break;
case BUS_SBUS:
ret = bus_sbus_configure(busData);
break;
default:
return NULL;
}
if (ret == 0)
goto out;
/* Allocate new structure occurrence */
i = nDevToConfig++;
DevToConfig =
xnfrealloc(DevToConfig, nDevToConfig * sizeof(DevToConfigRec));
memset(DevToConfig + i, 0, sizeof(DevToConfigRec));
DevToConfig[i].GDev.chipID =
DevToConfig[i].GDev.chipRev = DevToConfig[i].GDev.irq = -1;
DevToConfig[i].iDriver = CurrentDriver;
/* Fill in what we know, converting the driver name to lower case */
DevToConfig[i].GDev.driver = xnfalloc(strlen(driver) + 1);
for (j = 0; (DevToConfig[i].GDev.driver[j] = tolower(driver[j])); j++);
switch (bus) {
case BUS_PCI:
bus_pci_newdev_configure(busData, i, &chipset);
break;
case BUS_SBUS:
bus_sbus_newdev_configure(busData, i);
break;
default:
break;
}
/* Get driver's available options */
if (xf86DriverList[CurrentDriver]->AvailableOptions)
DevToConfig[i].GDev.options = (OptionInfoPtr)
(*xf86DriverList[CurrentDriver]->AvailableOptions)(chipset,
bus);
return &DevToConfig[i].GDev;
out:
return NULL;
}
static MappingPtr
newMapping(VidMapPtr vp)
{
vp->mappings = xnfrealloc(vp->mappings, sizeof(MappingPtr) *
(vp->numMappings + 1));
vp->mappings[vp->numMappings] = xnfcalloc(sizeof(MappingRec), 1);
return vp->mappings[vp->numMappings++];
}
int
xf86AllocateEntity(void)
{
xf86NumEntities++;
xf86Entities = xnfrealloc(xf86Entities,
sizeof(EntityPtr) * xf86NumEntities);
xf86Entities[xf86NumEntities - 1] = xnfcalloc(1, sizeof(EntityRec));
xf86Entities[xf86NumEntities - 1]->entityPrivates =
xnfcalloc(sizeof(DevUnion) * xf86EntityPrivateCount, 1);
return xf86NumEntities - 1;
}
int
xf86_add_platform_device(struct OdevAttributes *attribs, Bool unowned)
{
xf86_platform_devices = xnfrealloc(xf86_platform_devices,
(sizeof(struct xf86_platform_device)
* (xf86_num_platform_devices + 1)));
xf86_platform_devices[xf86_num_platform_devices].attribs = attribs;
xf86_platform_devices[xf86_num_platform_devices].pdev = NULL;
xf86_platform_devices[xf86_num_platform_devices].flags =
unowned ? XF86_PDEV_UNOWNED : 0;
xf86_num_platform_devices++;
return 0;
}
static void
AppendToList(const char *s, const char ***list, int *lines)
{
char *str, *newstr, *p;
str = xnfstrdup(s);
for (p = strtok(str, "\n"); p; p = strtok(NULL, "\n")) {
(*lines)++;
*list = xnfrealloc(*list, (*lines + 1) * sizeof(**list));
newstr = xnfalloc(strlen(p) + 2);
strcpy(newstr, p);
strcat(newstr, "\n");
(*list)[*lines - 1] = newstr;
(*list)[*lines] = NULL;
}
free(str);
}
int
xf86AllocateScrnInfoPrivateIndex(void)
{
int idx, i;
ScrnInfoPtr pScr;
DevUnion *nprivs;
idx = xf86ScrnInfoPrivateCount++;
for (i = 0; i < xf86NumScreens; i++) {
pScr = xf86Screens[i];
nprivs = xnfrealloc(pScr->privates,
xf86ScrnInfoPrivateCount * sizeof(DevUnion));
/* Zero the new private */
memset(&nprivs[idx], 0, sizeof(DevUnion));
pScr->privates = nprivs;
}
return idx;
}
void
xf86AddInputDriver(InputDriverPtr driver, pointer module, int flags)
{
/* Don't add null entries */
if (!driver)
return;
if (xf86InputDriverList == NULL)
xf86NumInputDrivers = 0;
xf86NumInputDrivers++;
xf86InputDriverList = xnfrealloc(xf86InputDriverList,
xf86NumInputDrivers * sizeof(InputDriverPtr));
xf86InputDriverList[xf86NumInputDrivers - 1] =
xnfalloc(sizeof(InputDriverRec));
*xf86InputDriverList[xf86NumInputDrivers - 1] = *driver;
xf86InputDriverList[xf86NumInputDrivers - 1]->module = module;
}
int
xf86MatchSbusInstances(const char *driverName, int sbusDevId,
GDevPtr *devList, int numDevs, DriverPtr drvp,
int **foundEntities)
{
int i,j;
sbusDevicePtr psdp, *psdpp;
int numClaimedInstances = 0;
int allocatedInstances = 0;
int numFound = 0;
GDevPtr devBus = NULL;
GDevPtr dev = NULL;
int *retEntities = NULL;
int useProm = 0;
struct Inst {
sbusDevicePtr sbus;
GDevPtr dev;
Bool claimed; /* BusID matches with a device section */
} *instances = NULL;
*foundEntities = NULL;
for (psdpp = xf86SbusInfo, psdp = *psdpp; psdp; psdp = *++psdpp) {
if (psdp->devId != sbusDevId)
continue;
if (psdp->fd == -2)
continue;
++allocatedInstances;
instances = xnfrealloc(instances,
allocatedInstances * sizeof(struct Inst));
instances[allocatedInstances - 1].sbus = psdp;
instances[allocatedInstances - 1].dev = NULL;
instances[allocatedInstances - 1].claimed = FALSE;
numFound++;
}
/*
* This may be debatable, but if no SBUS devices with a matching vendor
* type is found, return zero now. It is probably not desirable to
* allow the config file to override this.
*/
if (allocatedInstances <= 0) {
free(instances);
return 0;
}
if (sparcPromInit() >= 0)
useProm = 1;
if (xf86DoConfigure && xf86DoConfigurePass1) {
GDevPtr pGDev;
int actualcards = 0;
for (i = 0; i < allocatedInstances; i++) {
actualcards++;
pGDev = xf86AddBusDeviceToConfigure(drvp->driverName, BUS_SBUS,
instances[i].sbus, -1);
if (pGDev) {
/*
* XF86Match???Instances() treat chipID and chipRev as
* overrides, so clobber them here.
*/
pGDev->chipID = pGDev->chipRev = -1;
}
}
free(instances);
if (useProm)
sparcPromClose();
return actualcards;
}
DebugF("%s instances found: %d\n", driverName, allocatedInstances);
for (i = 0; i < allocatedInstances; i++) {
char *promPath = NULL;
psdp = instances[i].sbus;
devBus = NULL;
dev = NULL;
if (useProm && psdp->node.node)
promPath = sparcPromNode2Pathname(&psdp->node);
for (j = 0; j < numDevs; j++) {
if (devList[j]->busID && *devList[j]->busID) {
if (xf86CompareSbusBusString(devList[j]->busID, psdp->fbNum)) {
if (devBus)
xf86MsgVerb(X_WARNING,0,
"%s: More than one matching Device section for "
"instance (BusID: %s) found: %s\n",
driverName,devList[j]->identifier,
devList[j]->busID);
else
devBus = devList[j];
}
} else {
if (!dev && !devBus) {
if (promPath)
xf86Msg(X_PROBED, "Assigning device section with no busID to SBUS:%s\n",
promPath);
else
xf86Msg(X_PROBED, "Assigning device section with no busID to SBUS:fb%d\n",
psdp->fbNum);
dev = devList[j];
} else
xf86MsgVerb(X_WARNING, 0,
"%s: More than one matching Device section "
"found: %s\n", driverName, devList[j]->identifier);
}
}
if (devBus) dev = devBus; /* busID preferred */
if (!dev && psdp->fd != -2) {
if (promPath) {
xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section "
"for instance (BusID SBUS:%s) found\n",
driverName, promPath);
} else
xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section "
"for instance (BusID SBUS:fb%d) found\n",
driverName, psdp->fbNum);
} else if (dev) {
numClaimedInstances++;
instances[i].claimed = TRUE;
instances[i].dev = dev;
}
free(promPath);
}
DebugF("%s instances found: %d\n", driverName, numClaimedInstances);
/*
* Of the claimed instances, check that another driver hasn't already
* claimed its slot.
*/
numFound = 0;
for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) {
if (!instances[i].claimed)
continue;
psdp = instances[i].sbus;
if (!xf86CheckSbusSlot(psdp->fbNum))
continue;
DebugF("%s: card at fb%d %08x is claimed by a Device section\n",
driverName, psdp->fbNum, psdp->node.node);
/* Allocate an entry in the lists to be returned */
numFound++;
retEntities = xnfrealloc(retEntities, numFound * sizeof(int));
retEntities[numFound - 1]
= xf86ClaimSbusSlot(psdp, drvp, instances[i].dev,instances[i].dev->active ?
TRUE : FALSE);
}
free(instances);
if (numFound > 0) {
*foundEntities = retEntities;
}
if (useProm)
sparcPromClose();
return numFound;
}
/*
* This is called by the driver, either through xf86Match???Instances() or
* directly. We allocate a GDevRec and fill it in as much as we can, letting
* the caller fill in the rest and/or change it as it sees fit.
*/
GDevPtr
xf86AddBusDeviceToConfigure(const char *driver, BusType bus, void *busData, int chipset)
{
int i, j;
pciVideoPtr pVideo = NULL;
Bool isPrimary = FALSE;
if (xf86DoProbe || !xf86DoConfigure || !xf86DoConfigurePass1)
return NULL;
/* Check for duplicates */
switch (bus) {
case BUS_PCI:
pVideo = (pciVideoPtr) busData;
for (i = 0; i < nDevToConfig; i++)
if (DevToConfig[i].pVideo &&
(DevToConfig[i].pVideo->bus == pVideo->bus) &&
(DevToConfig[i].pVideo->device == pVideo->device) &&
(DevToConfig[i].pVideo->func == pVideo->func))
return NULL;
isPrimary = xf86IsPrimaryPci(pVideo);
break;
case BUS_ISA:
/*
* This needs to be revisited as it doesn't allow for non-PCI
* multihead.
*/
if (!xf86IsPrimaryIsa())
return NULL;
isPrimary = TRUE;
for (i = 0; i < nDevToConfig; i++)
if (!DevToConfig[i].pVideo)
return NULL;
break;
#if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
case BUS_SBUS:
for (i = 0; i < nDevToConfig; i++)
if (DevToConfig[i].sVideo &&
DevToConfig[i].sVideo->fbNum == ((sbusDevicePtr) busData)->fbNum)
return NULL;
break;
#endif
default:
return NULL;
}
/* Allocate new structure occurrence */
i = nDevToConfig++;
DevToConfig =
xnfrealloc(DevToConfig, nDevToConfig * sizeof(DevToConfigRec));
#if 1 /* Doesn't work when a driver detects more than one adapter */
if ((i > 0) && isPrimary) {
memmove(DevToConfig + 1,DevToConfig,
(nDevToConfig - 1) * sizeof(DevToConfigRec));
i = 0;
}
#endif
memset(DevToConfig + i, 0, sizeof(DevToConfigRec));
# define NewDevice DevToConfig[i]
NewDevice.GDev.chipID = NewDevice.GDev.chipRev = NewDevice.GDev.irq = -1;
NewDevice.iDriver = CurrentDriver;
/* Fill in what we know, converting the driver name to lower case */
NewDevice.GDev.driver = xnfalloc(strlen(driver) + 1);
for (j = 0; (NewDevice.GDev.driver[j] = tolower(driver[j])); j++);
switch (bus) {
case BUS_PCI: {
const char *VendorName;
const char *CardName;
char busnum[8];
NewDevice.pVideo = pVideo;
xf86FindPciNamesByDevice(pVideo->vendor, pVideo->chipType,
NOVENDOR, NOSUBSYS,
&VendorName, &CardName, NULL, NULL);
if (!VendorName) {
VendorName = xnfalloc(15);
sprintf((char*)VendorName, "Unknown Vendor");
}
if (!CardName) {
CardName = xnfalloc(14);
sprintf((char*)CardName, "Unknown Board");
}
NewDevice.GDev.identifier =
xnfalloc(strlen(VendorName) + strlen(CardName) + 2);
sprintf(NewDevice.GDev.identifier, "%s %s", VendorName, CardName);
NewDevice.GDev.vendor = (char *)VendorName;
NewDevice.GDev.board = (char *)CardName;
NewDevice.GDev.busID = xnfalloc(16);
xf86FormatPciBusNumber(pVideo->bus, busnum);
sprintf(NewDevice.GDev.busID, "PCI:%s:%d:%d",
busnum, pVideo->device, pVideo->func);
NewDevice.GDev.chipID = pVideo->chipType;
NewDevice.GDev.chipRev = pVideo->chipRev;
if (chipset < 0)
chipset = (pVideo->vendor << 16) | pVideo->chipType;
}
break;
case BUS_ISA:
NewDevice.GDev.identifier = "ISA Adapter";
NewDevice.GDev.busID = "ISA";
break;
#if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
case BUS_SBUS: {
char *promPath = NULL;
NewDevice.sVideo = (sbusDevicePtr) busData;
NewDevice.GDev.identifier = NewDevice.sVideo->descr;
if (sparcPromInit() >= 0) {
promPath = sparcPromNode2Pathname(&NewDevice.sVideo->node);
sparcPromClose();
}
if (promPath) {
NewDevice.GDev.busID = xnfalloc(strlen(promPath) + 6);
sprintf(NewDevice.GDev.busID, "SBUS:%s", promPath);
xfree(promPath);
} else {
NewDevice.GDev.busID = xnfalloc(12);
sprintf(NewDevice.GDev.busID, "SBUS:fb%d", NewDevice.sVideo->fbNum);
}
}
break;
#endif
default:
break;
}
/* Get driver's available options */
if (xf86DriverList[CurrentDriver]->AvailableOptions)
NewDevice.GDev.options = (OptionInfoPtr)
(*xf86DriverList[CurrentDriver]->AvailableOptions)(chipset,
bus);
return &NewDevice.GDev;
# undef NewDevice
}
/*
* This is called by the driver, either through xf86Match???Instances() or
* directly. We allocate a GDevRec and fill it in as much as we can, letting
* the caller fill in the rest and/or change it as it sees fit.
*/
GDevPtr
xf86AddBusDeviceToConfigure(const char *driver, BusType bus, void *busData, int chipset)
{
int ret, i, j;
if (!xf86DoConfigure || !xf86DoConfigurePass1)
return NULL;
/* Check for duplicates */
for (i = 0; i < nDevToConfig; i++) {
switch (bus) {
#ifdef XSERVER_LIBPCIACCESS
case BUS_PCI:
ret = xf86PciConfigure(busData, DevToConfig[i].pVideo);
break;
#endif
#if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
case BUS_SBUS:
ret = xf86SbusConfigure(busData, DevToConfig[i].sVideo);
break;
#endif
default:
return NULL;
}
if (ret == 0)
goto out;
}
/* Allocate new structure occurrence */
i = nDevToConfig++;
DevToConfig =
xnfrealloc(DevToConfig, nDevToConfig * sizeof(DevToConfigRec));
memset(DevToConfig + i, 0, sizeof(DevToConfigRec));
DevToConfig[i].GDev.chipID =
DevToConfig[i].GDev.chipRev = DevToConfig[i].GDev.irq = -1;
DevToConfig[i].iDriver = CurrentDriver;
/* Fill in what we know, converting the driver name to lower case */
DevToConfig[i].GDev.driver = xnfalloc(strlen(driver) + 1);
for (j = 0; (DevToConfig[i].GDev.driver[j] = tolower(driver[j])); j++);
switch (bus) {
#ifdef XSERVER_LIBPCIACCESS
case BUS_PCI:
xf86PciConfigureNewDev(busData, DevToConfig[i].pVideo,
&DevToConfig[i].GDev, &chipset);
break;
#endif
#if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
case BUS_SBUS:
xf86SbusConfigureNewDev(busData, DevToConfig[i].sVideo,
&DevToConfig[i].GDev);
break;
#endif
default:
break;
}
/* Get driver's available options */
if (xf86DriverList[CurrentDriver]->AvailableOptions)
DevToConfig[i].GDev.options = (OptionInfoPtr)
(*xf86DriverList[CurrentDriver]->AvailableOptions)(chipset,
bus);
return &DevToConfig[i].GDev;
out:
return NULL;
}
void
xf86PciProbe(void)
{
int i = 0, k;
int num = 0;
struct pci_device *info;
struct pci_device_iterator *iter;
struct pci_device ** xf86PciVideoInfo = NULL;
if (!xf86scanpci()) {
xf86PciVideoInfo = NULL;
return;
}
iter = pci_slot_match_iterator_create(& xf86IsolateDevice);
while ((info = pci_device_next(iter)) != NULL) {
if (PCIINFOCLASSES(info->device_class)) {
num++;
xf86PciVideoInfo = xnfrealloc(xf86PciVideoInfo,
(sizeof(struct pci_device *)
* (num + 1)));
xf86PciVideoInfo[num] = NULL;
xf86PciVideoInfo[num - 1] = info;
pci_device_probe(info);
#ifdef HAVE_PCI_DEVICE_IS_BOOT_VGA
if (pci_device_is_boot_vga(info)) {
primaryBus.type = BUS_PCI;
primaryBus.id.pci = info;
}
#endif
info->user_data = 0;
}
}
free(iter);
/* If we haven't found a primary device try a different heuristic */
if (primaryBus.type == BUS_NONE && num) {
for (i = 0; i < num; i++) {
uint16_t command;
info = xf86PciVideoInfo[i];
pci_device_cfg_read_u16(info, & command, 4);
if ((command & PCI_CMD_MEM_ENABLE)
&& ((num == 1) || IS_VGA(info->device_class))) {
if (primaryBus.type == BUS_NONE) {
primaryBus.type = BUS_PCI;
primaryBus.id.pci = info;
} else {
xf86Msg(X_NOTICE,
"More than one possible primary device found\n");
primaryBus.type ^= (BusType)(-1);
}
}
}
}
/* Print a summary of the video devices found */
for (k = 0; k < num; k++) {
const char *prim = " ";
Bool memdone = FALSE, iodone = FALSE;
info = xf86PciVideoInfo[k];
if (!PCIALWAYSPRINTCLASSES(info->device_class))
continue;
if (xf86IsPrimaryPci(info))
prim = "*";
xf86Msg(X_PROBED, "PCI:%s(%u:%u:%u:%u) %04x:%04x:%04x:%04x ", prim,
info->domain, info->bus, info->dev, info->func,
info->vendor_id, info->device_id,
info->subvendor_id, info->subdevice_id);
xf86ErrorF("rev %d", info->revision);
for (i = 0; i < 6; i++) {
struct pci_mem_region * r = & info->regions[i];
if ( r->size && ! r->is_IO ) {
if (!memdone) {
xf86ErrorF(", Mem @ ");
memdone = TRUE;
} else
xf86ErrorF(", ");
xf86ErrorF("0x%08lx/%ld", (long)r->base_addr, (long)r->size);
}
}
for (i = 0; i < 6; i++) {
struct pci_mem_region * r = & info->regions[i];
if ( r->size && r->is_IO ) {
if (!iodone) {
xf86ErrorF(", I/O @ ");
iodone = TRUE;
} else
xf86ErrorF(", ");
xf86ErrorF("0x%08lx/%ld", (long)r->base_addr, (long)r->size);
}
}
if ( info->rom_size ) {
xf86ErrorF(", BIOS @ 0x\?\?\?\?\?\?\?\?/%ld", (long)info->rom_size);
}
xf86ErrorF("\n");
}
free(xf86PciVideoInfo);
}
Bool
xf86SetDepthBpp(ScrnInfoPtr scrp, int depth, int dummy, int fbbpp,
int depth24flags)
{
int i;
DispPtr disp;
Pix24Flags pix24 = xf86Info.pixmap24;
Bool nomatch = FALSE;
scrp->bitsPerPixel = -1;
scrp->depth = -1;
scrp->pixmap24 = Pix24DontCare;
scrp->bitsPerPixelFrom = X_DEFAULT;
scrp->depthFrom = X_DEFAULT;
if (xf86FbBpp > 0) {
scrp->bitsPerPixel = xf86FbBpp;
scrp->bitsPerPixelFrom = X_CMDLINE;
}
if (xf86Depth > 0) {
scrp->depth = xf86Depth;
scrp->depthFrom = X_CMDLINE;
}
if (xf86FbBpp < 0 && xf86Depth < 0) {
if (scrp->confScreen->defaultfbbpp > 0) {
scrp->bitsPerPixel = scrp->confScreen->defaultfbbpp;
scrp->bitsPerPixelFrom = X_CONFIG;
}
if (scrp->confScreen->defaultdepth > 0) {
scrp->depth = scrp->confScreen->defaultdepth;
scrp->depthFrom = X_CONFIG;
}
if (scrp->confScreen->defaultfbbpp <= 0 &&
scrp->confScreen->defaultdepth <= 0) {
/*
* Check for DefaultDepth and DefaultFbBpp options in the
* Device sections.
*/
int i;
GDevPtr device;
Bool found = FALSE;
for (i = 0; i < scrp->numEntities; i++) {
device = xf86GetDevFromEntity(scrp->entityList[i],
scrp->entityInstanceList[i]);
if (device && device->options) {
if (xf86FindOption(device->options, "DefaultDepth")) {
scrp->depth = xf86SetIntOption(device->options,
"DefaultDepth", -1);
scrp->depthFrom = X_CONFIG;
found = TRUE;
}
if (xf86FindOption(device->options, "DefaultFbBpp")) {
scrp->bitsPerPixel = xf86SetIntOption(device->options,
"DefaultFbBpp",
-1);
scrp->bitsPerPixelFrom = X_CONFIG;
found = TRUE;
}
}
if (found)
break;
}
}
}
/* If none of these is set, pick a default */
if (scrp->bitsPerPixel < 0 && scrp->depth < 0) {
if (fbbpp > 0 || depth > 0) {
if (fbbpp > 0)
scrp->bitsPerPixel = fbbpp;
if (depth > 0)
scrp->depth = depth;
} else {
scrp->depth = GLOBAL_DEFAULT_DEPTH;
}
}
/* If any are not given, determine a default for the others */
if (scrp->bitsPerPixel < 0) {
/* The depth must be set */
if (scrp->depth > -1) {
if (scrp->depth == 1)
scrp->bitsPerPixel = 1;
else if (scrp->depth <= 4)
scrp->bitsPerPixel = 4;
else if (scrp->depth <= 8)
scrp->bitsPerPixel = 8;
else if (scrp->depth <= 16)
scrp->bitsPerPixel = 16;
else if (scrp->depth <= 24) {
/*
* Figure out if a choice is possible based on the depth24
* and pix24 flags.
*/
/* Check pix24 first */
if (pix24 != Pix24DontCare) {
if (pix24 == Pix24Use32) {
if (DO_PIX32(depth24flags)) {
if (CHOOSE24FOR32(depth24flags))
scrp->bitsPerPixel = 24;
else
scrp->bitsPerPixel = 32;
} else {
nomatch = TRUE;
}
} else if (pix24 == Pix24Use24) {
if (DO_PIX24(depth24flags)) {
if (CHOOSE32FOR24(depth24flags))
scrp->bitsPerPixel = 32;
else
scrp->bitsPerPixel = 24;
} else {
nomatch = TRUE;
}
}
} else {
if (DO_PIX32(depth24flags)) {
if (CHOOSE24FOR32(depth24flags))
scrp->bitsPerPixel = 24;
else
scrp->bitsPerPixel = 32;
} else if (DO_PIX24(depth24flags)) {
if (CHOOSE32FOR24(depth24flags))
scrp->bitsPerPixel = 32;
else
scrp->bitsPerPixel = 24;
}
}
} else if (scrp->depth <= 32)
scrp->bitsPerPixel = 32;
else {
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Specified depth (%d) is greater than 32\n",
scrp->depth);
return FALSE;
}
} else {
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"xf86SetDepthBpp: internal error: depth and fbbpp"
" are both not set\n");
return FALSE;
}
if (scrp->bitsPerPixel < 0) {
if (nomatch)
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Driver can't support depth 24 pixmap format (%d)\n",
PIX24TOBPP(pix24));
else if ((depth24flags & (Support24bppFb | Support32bppFb)) ==
NoDepth24Support)
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Driver can't support depth 24\n");
else
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Can't find fbbpp for depth 24\n");
return FALSE;
}
scrp->bitsPerPixelFrom = X_PROBED;
}
if (scrp->depth <= 0) {
/* bitsPerPixel is already set */
switch (scrp->bitsPerPixel) {
case 32:
scrp->depth = 24;
break;
default:
/* 1, 4, 8, 16 and 24 */
scrp->depth = scrp->bitsPerPixel;
break;
}
scrp->depthFrom = X_PROBED;
}
/* Sanity checks */
if (scrp->depth < 1 || scrp->depth > 32) {
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Specified depth (%d) is not in the range 1-32\n",
scrp->depth);
return FALSE;
}
switch (scrp->bitsPerPixel) {
case 1:
case 4:
case 8:
case 16:
case 24:
case 32:
break;
default:
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Specified fbbpp (%d) is not a permitted value\n",
scrp->bitsPerPixel);
return FALSE;
}
if (scrp->depth > scrp->bitsPerPixel) {
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Specified depth (%d) is greater than the fbbpp (%d)\n",
scrp->depth, scrp->bitsPerPixel);
return FALSE;
}
/* set scrp->pixmap24 if the driver isn't flexible */
if (scrp->bitsPerPixel == 24 && !DO_PIX32FOR24(depth24flags)) {
scrp->pixmap24 = Pix24Use24;
}
if (scrp->bitsPerPixel == 32 && !DO_PIX24FOR32(depth24flags)) {
scrp->pixmap24 = Pix24Use32;
}
/*
* Find the Display subsection matching the depth/fbbpp and initialise
* scrp->display with it.
*/
for (i = 0, disp = scrp->confScreen->displays;
i < scrp->confScreen->numdisplays; i++, disp++) {
if ((disp->depth == scrp->depth && disp->fbbpp == scrp->bitsPerPixel)
|| (disp->depth == scrp->depth && disp->fbbpp <= 0)
|| (disp->fbbpp == scrp->bitsPerPixel && disp->depth <= 0)) {
scrp->display = disp;
break;
}
}
/*
* If an exact match can't be found, see if there is one with no
* depth or fbbpp specified.
*/
if (i == scrp->confScreen->numdisplays) {
for (i = 0, disp = scrp->confScreen->displays;
i < scrp->confScreen->numdisplays; i++, disp++) {
if (disp->depth <= 0 && disp->fbbpp <= 0) {
scrp->display = disp;
break;
}
}
}
/*
* If all else fails, create a default one.
*/
if (i == scrp->confScreen->numdisplays) {
scrp->confScreen->numdisplays++;
scrp->confScreen->displays =
xnfrealloc(scrp->confScreen->displays,
scrp->confScreen->numdisplays * sizeof(DispRec));
xf86DrvMsg(scrp->scrnIndex, X_INFO,
"Creating default Display subsection in Screen section\n"
"\t\"%s\" for depth/fbbpp %d/%d\n",
scrp->confScreen->id, scrp->depth, scrp->bitsPerPixel);
memset(&scrp->confScreen->displays[i], 0, sizeof(DispRec));
scrp->confScreen->displays[i].blackColour.red = -1;
scrp->confScreen->displays[i].blackColour.green = -1;
scrp->confScreen->displays[i].blackColour.blue = -1;
scrp->confScreen->displays[i].whiteColour.red = -1;
scrp->confScreen->displays[i].whiteColour.green = -1;
scrp->confScreen->displays[i].whiteColour.blue = -1;
scrp->confScreen->displays[i].defaultVisual = -1;
scrp->confScreen->displays[i].modes = xnfalloc(sizeof(char *));
scrp->confScreen->displays[i].modes[0] = NULL;
scrp->confScreen->displays[i].depth = depth;
scrp->confScreen->displays[i].fbbpp = fbbpp;
scrp->display = &scrp->confScreen->displays[i];
}
/*
* Setup defaults for the display-wide attributes the framebuffer will
* need. These defaults should eventually be set globally, and not
* dependent on the screens.
*/
scrp->imageByteOrder = IMAGE_BYTE_ORDER;
scrp->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
if (scrp->depth < 8) {
/* Planar modes need these settings */
scrp->bitmapScanlineUnit = 8;
scrp->bitmapBitOrder = MSBFirst;
} else {
scrp->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
scrp->bitmapBitOrder = BITMAP_BIT_ORDER;
}
/*
* If an unusual depth is required, add it to scrp->formats. The formats
* for the common depths are handled globally in InitOutput
*/
switch (scrp->depth) {
case 1:
case 4:
case 8:
case 15:
case 16:
case 24:
/* Common depths. Nothing to do for them */
break;
default:
if (!xf86AddPixFormat(scrp, scrp->depth, 0, 0)) {
xf86DrvMsg(scrp->scrnIndex, X_ERROR,
"Can't add pixmap format for depth %d\n", scrp->depth);
return FALSE;
}
}
/* Initialise the framebuffer format for this screen */
scrp->fbFormat.depth = scrp->depth;
scrp->fbFormat.bitsPerPixel = scrp->bitsPerPixel;
scrp->fbFormat.scanlinePad = BITMAP_SCANLINE_PAD;
return TRUE;
}
int
xf86MatchDevice(const char *drivername, GDevPtr **sectlist)
{
GDevPtr gdp, *pgdp = NULL;
confScreenPtr screensecptr;
int i,j;
if (sectlist)
*sectlist = NULL;
/*
* This can happen when running Xorg -showopts and a module like ati
* or vmware tries to load its submodules when xf86ConfigLayout is empty
*/
if (!xf86ConfigLayout.screens)
return 0;
/*
* This is a very important function that matches the device sections
* as they show up in the config file with the drivers that the server
* loads at run time.
*
* ChipProbe can call
* int xf86MatchDevice(char * drivername, GDevPtr ** sectlist)
* with its driver name. The function allocates an array of GDevPtr and
* returns this via sectlist and returns the number of elements in
* this list as return value. 0 means none found, -1 means fatal error.
*
* It can figure out which of the Device sections to use for which card
* (using things like the Card statement, etc). For single headed servers
* there will of course be just one such Device section.
*/
i = 0;
/*
* first we need to loop over all the Screens sections to get to all
* 'active' device sections
*/
for (j=0; xf86ConfigLayout.screens[j].screen != NULL; j++) {
screensecptr = xf86ConfigLayout.screens[j].screen;
if ((screensecptr->device->driver != NULL)
&& (xf86NameCmp( screensecptr->device->driver,drivername) == 0)
&& (! screensecptr->device->claimed)) {
/*
* we have a matching driver that wasn't claimed, yet
*/
pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
pgdp[i++] = screensecptr->device;
}
}
/* Then handle the inactive devices */
j = 0;
while (xf86ConfigLayout.inactives[j].identifier) {
gdp = &xf86ConfigLayout.inactives[j];
if (gdp->driver && !gdp->claimed &&
!xf86NameCmp(gdp->driver,drivername)) {
/* we have a matching driver that wasn't claimed yet */
pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
pgdp[i++] = gdp;
}
j++;
}
/*
* make the array NULL terminated and return its address
*/
if (i)
pgdp[i] = NULL;
if (sectlist)
*sectlist = pgdp;
else
free(pgdp);
return i;
}