From 9f986778bd4393c5a9108426969d45aa7f10f334 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 19 Oct 2011 10:44:43 +0200 Subject: libX11 libXext libXft mesa libxcb mkfontscale pixman xserver xkeyboard-config git update 19 oct 2011 --- xorg-server/hw/xfree86/common/xf86pciBus.c | 2723 ++++++++++++++-------------- 1 file changed, 1364 insertions(+), 1359 deletions(-) (limited to 'xorg-server/hw/xfree86/common/xf86pciBus.c') diff --git a/xorg-server/hw/xfree86/common/xf86pciBus.c b/xorg-server/hw/xfree86/common/xf86pciBus.c index 2f04ac12f..eb5323cf0 100644 --- a/xorg-server/hw/xfree86/common/xf86pciBus.c +++ b/xorg-server/hw/xfree86/common/xf86pciBus.c @@ -1,1359 +1,1364 @@ -/* - * Copyright (c) 1997-2003 by The XFree86 Project, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of the copyright holder(s) - * and author(s) shall not be used in advertising or otherwise to promote - * the sale, use or other dealings in this Software without prior written - * authorization from the copyright holder(s) and author(s). - */ - -/* - * This file contains the interfaces to the bus-specific code - */ -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include -#include "os.h" -#include "Pci.h" -#include "xf86.h" -#include "xf86Priv.h" -#include "dirent.h" /* DIR, FILE type definitions */ - -/* Bus-specific headers */ -#include "xf86Bus.h" - -#define XF86_OS_PRIVS -#include "xf86_OSproc.h" - - -/* Bus-specific globals */ -Bool pciSlotClaimed = FALSE; - -#define PCIINFOCLASSES(c) \ - ( (((c) & 0x00ff0000) == (PCI_CLASS_PREHISTORIC << 16)) \ - || (((c) & 0x00ff0000) == (PCI_CLASS_DISPLAY << 16)) \ - || ((((c) & 0x00ffff00) \ - == ((PCI_CLASS_MULTIMEDIA << 16) | (PCI_SUBCLASS_MULTIMEDIA_VIDEO << 8)))) \ - || ((((c) & 0x00ffff00) \ - == ((PCI_CLASS_PROCESSOR << 16) | (PCI_SUBCLASS_PROCESSOR_COPROC << 8)))) ) - -/* - * PCI classes that have messages printed always. The others are only - * have a message printed when the vendor/dev IDs are recognised. - */ -#define PCIALWAYSPRINTCLASSES(c) \ - ( (((c) & 0x00ffff00) \ - == ((PCI_CLASS_PREHISTORIC << 16) | (PCI_SUBCLASS_PREHISTORIC_VGA << 8))) \ - || (((c) & 0x00ff0000) == (PCI_CLASS_DISPLAY << 16)) \ - || ((((c) & 0x00ffff00) \ - == ((PCI_CLASS_MULTIMEDIA << 16) | (PCI_SUBCLASS_MULTIMEDIA_VIDEO << 8)))) ) - -#define IS_VGA(c) \ - (((c) & 0x00ffff00) \ - == ((PCI_CLASS_DISPLAY << 16) | (PCI_SUBCLASS_DISPLAY_VGA << 8))) - - -static struct pci_slot_match xf86IsolateDevice = { - PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0 -}; - -void -xf86FormatPciBusNumber(int busnum, char *buffer) -{ - /* 'buffer' should be at least 8 characters long */ - if (busnum < 256) - sprintf(buffer, "%d", busnum); - else - sprintf(buffer, "%d@%d", busnum & 0x00ff, busnum >> 8); -} - -/* - * xf86Bus.c interface - */ - -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); -} - -/* - * If the slot requested is already in use, return -1. - * Otherwise, claim the slot for the screen requesting it. - */ - -int -xf86ClaimPciSlot(struct pci_device * d, DriverPtr drvp, - int chipset, GDevPtr dev, Bool active) -{ - EntityPtr p = NULL; - int num; - - if (xf86CheckPciSlot(d)) { - num = xf86AllocateEntity(); - p = xf86Entities[num]; - p->driver = drvp; - p->chipset = chipset; - p->bus.type = BUS_PCI; - p->bus.id.pci = d; - p->active = active; - p->inUse = FALSE; - if (dev) - xf86AddDevToEntity(num, dev); - pciSlotClaimed = TRUE; - - if (active) { - /* Map in this domain's I/O space */ - p->domainIO = xf86MapLegacyIO(d); - } - - return num; - } else - return -1; -} - -/* - * Unclaim PCI slot, e.g. if probing failed, so that a different driver can claim. - */ -void -xf86UnclaimPciSlot(struct pci_device *d) -{ - int i; - - for (i = 0; i < xf86NumEntities; i++) { - const EntityPtr p = xf86Entities[i]; - - if ((p->bus.type == BUS_PCI) && (p->bus.id.pci == d)) { - /* Probably the slot should be deallocated? */ - p->bus.type = BUS_NONE; - return; - } - } -} - -/* - * Parse a BUS ID string, and return the PCI bus parameters if it was - * in the correct format for a PCI bus id. - */ - -Bool -xf86ParsePciBusString(const char *busID, int *bus, int *device, int *func) -{ - /* - * The format is assumed to be "bus[@domain]:device[:func]", where domain, - * bus, device and func are decimal integers. domain and func may be - * omitted and assumed to be zero, although doing this isn't encouraged. - */ - - char *p, *s, *d; - const char *id; - int i; - - if (StringToBusType(busID, &id) != BUS_PCI) - return FALSE; - - s = xstrdup(id); - p = strtok(s, ":"); - if (p == NULL || *p == 0) { - free(s); - return FALSE; - } - d = strpbrk(p, "@"); - if (d != NULL) { - *(d++) = 0; - for (i = 0; d[i] != 0; i++) { - if (!isdigit(d[i])) { - free(s); - return FALSE; - } - } - } - for (i = 0; p[i] != 0; i++) { - if (!isdigit(p[i])) { - free(s); - return FALSE; - } - } - *bus = atoi(p); - if (d != NULL && *d != 0) - *bus += atoi(d) << 8; - p = strtok(NULL, ":"); - if (p == NULL || *p == 0) { - free(s); - return FALSE; - } - for (i = 0; p[i] != 0; i++) { - if (!isdigit(p[i])) { - free(s); - return FALSE; - } - } - *device = atoi(p); - *func = 0; - p = strtok(NULL, ":"); - if (p == NULL || *p == 0) { - free(s); - return TRUE; - } - for (i = 0; p[i] != 0; i++) { - if (!isdigit(p[i])) { - free(s); - return FALSE; - } - } - *func = atoi(p); - free(s); - return TRUE; -} - -/* - * Compare a BUS ID string with a PCI bus id. Return TRUE if they match. - */ - -Bool -xf86ComparePciBusString(const char *busID, int bus, int device, int func) -{ - int ibus, idevice, ifunc; - - if (xf86ParsePciBusString(busID, &ibus, &idevice, &ifunc)) { - return bus == ibus && device == idevice && func == ifunc; - } else { - return FALSE; - } -} - -/* - * xf86IsPrimaryPci() -- return TRUE if primary device - * is PCI and bus, dev and func numbers match. - */ - -Bool -xf86IsPrimaryPci(struct pci_device *pPci) -{ - return ((primaryBus.type == BUS_PCI) && (pPci == primaryBus.id.pci)); -} - -/* - * xf86GetPciInfoForEntity() -- Get the pciVideoRec of entity. - */ -struct pci_device * -xf86GetPciInfoForEntity(int entityIndex) -{ - EntityPtr p; - - if (entityIndex >= xf86NumEntities) - return NULL; - - p = xf86Entities[entityIndex]; - return (p->bus.type == BUS_PCI) ? p->bus.id.pci : NULL; -} - -/* - * xf86CheckPciMemBase() checks that the memory base value matches one of the - * PCI base address register values for the given PCI device. - */ -Bool -xf86CheckPciMemBase( struct pci_device * pPci, memType base ) -{ - int i; - - for (i = 0; i < 6; i++) - if (base == pPci->regions[i].base_addr) - return TRUE; - return FALSE; -} - -/* - * Check if the slot requested is free. If it is already in use, return FALSE. - */ - -Bool -xf86CheckPciSlot(const struct pci_device *d) -{ - int i; - - for (i = 0; i < xf86NumEntities; i++) { - const EntityPtr p = xf86Entities[i]; - - if ((p->bus.type == BUS_PCI) && (p->bus.id.pci == d)) { - return FALSE; - } - } - return TRUE; -} - -#define END_OF_MATCHES(m) \ - (((m).vendor_id == 0) && ((m).device_id == 0) && ((m).subvendor_id == 0)) - -Bool -xf86PciAddMatchingDev(DriverPtr drvp) -{ - const struct pci_id_match * const devices = drvp->supported_devices; - int j; - struct pci_device *pPci; - struct pci_device_iterator *iter; - int numFound = 0; - - - iter = pci_id_match_iterator_create(NULL); - while ((pPci = pci_device_next(iter)) != NULL) { - /* Determine if this device is supported by the driver. If it is, - * add it to the list of devices to configure. - */ - for (j = 0 ; ! END_OF_MATCHES(devices[j]) ; j++) { - if ( PCI_ID_COMPARE( devices[j].vendor_id, pPci->vendor_id ) - && PCI_ID_COMPARE( devices[j].device_id, pPci->device_id ) - && ((devices[j].device_class_mask & pPci->device_class) - == devices[j].device_class) ) { - if (xf86CheckPciSlot(pPci)) { - GDevPtr pGDev = xf86AddBusDeviceToConfigure( - drvp->driverName, BUS_PCI, pPci, -1); - if (pGDev != NULL) { - /* After configure pass 1, chipID and chipRev are - * treated as over-rides, so clobber them here. - */ - pGDev->chipID = -1; - pGDev->chipRev = -1; - } - - numFound++; - } - - break; - } - } - } - - pci_iterator_destroy(iter); - - return numFound != 0; -} - -Bool -xf86PciProbeDev(DriverPtr drvp) -{ - int i, j; - struct pci_device * pPci; - Bool foundScreen = FALSE; - const struct pci_id_match * const devices = drvp->supported_devices; - GDevPtr *devList; - const unsigned numDevs = xf86MatchDevice(drvp->driverName, & devList); - - for ( i = 0 ; i < numDevs ; i++ ) { - struct pci_device_iterator *iter; - unsigned device_id; - - - /* Find the pciVideoRec associated with this device section. - */ - iter = pci_id_match_iterator_create(NULL); - while ((pPci = pci_device_next(iter)) != NULL) { - if (devList[i]->busID && *devList[i]->busID) { - if (xf86ComparePciBusString(devList[i]->busID, - ((pPci->domain << 8) - | pPci->bus), - pPci->dev, - pPci->func)) { - break; - } - } - else if (xf86IsPrimaryPci(pPci)) { - break; - } - } - - pci_iterator_destroy(iter); - - if (pPci == NULL) { - continue; - } - device_id = (devList[i]->chipID > 0) - ? devList[i]->chipID : pPci->device_id; - - - /* Once the pciVideoRec is found, determine if the device is supported - * by the driver. If it is, probe it! - */ - for ( j = 0 ; ! END_OF_MATCHES( devices[j] ) ; j++ ) { - if ( PCI_ID_COMPARE( devices[j].vendor_id, pPci->vendor_id ) - && PCI_ID_COMPARE( devices[j].device_id, device_id ) - && ((devices[j].device_class_mask & pPci->device_class) - == devices[j].device_class) ) { - int entry; - - /* Allow the same entity to be used more than once for - * devices with multiple screens per entity. This assumes - * implicitly that there will be a screen == 0 instance. - * - * FIXME Need to make sure that two different drivers don't - * FIXME claim the same screen > 0 instance. - */ - if ((devList[i]->screen == 0) && !xf86CheckPciSlot(pPci)) - continue; - - DebugF("%s: card at %d:%d:%d is claimed by a Device section\n", - drvp->driverName, pPci->bus, pPci->dev, pPci->func); - - /* Allocate an entry in the lists to be returned */ - entry = xf86ClaimPciSlot(pPci, drvp, device_id, - devList[i], devList[i]->active); - - if ((entry == -1) && (devList[i]->screen > 0)) { - unsigned k; - - for (k = 0; k < xf86NumEntities; k++ ) { - EntityPtr pEnt = xf86Entities[k]; - if (pEnt->bus.type != BUS_PCI) - continue; - if (pEnt->bus.id.pci == pPci) { - entry = k; - xf86AddDevToEntity(k, devList[i]); - break; - } - } - } - - if (entry != -1) { - if ((*drvp->PciProbe)(drvp, entry, pPci, - devices[j].match_data)) { - foundScreen = TRUE; - } else - xf86UnclaimPciSlot(pPci); - } - - break; - } - } - } - free(devList); - - return foundScreen; -} - -void -xf86PciIsolateDevice(char *argument) -{ - int bus, device, func; - - if (sscanf(argument, "PCI:%d:%d:%d", &bus, &device, &func) == 3) { - xf86IsolateDevice.domain = PCI_DOM_FROM_BUS(bus); - xf86IsolateDevice.bus = PCI_BUS_NO_DOMAIN(bus); - xf86IsolateDevice.dev = device; - xf86IsolateDevice.func = func; - } else - FatalError("Invalid isolated device specification\n"); -} - -static Bool -pciDeviceHasBars(struct pci_device *pci) -{ - int i; - - for (i = 0; i < 6; i++) - if (pci->regions[i].size) - return TRUE; - - if (pci->rom_size) - return TRUE; - - return FALSE; -} - -struct Inst { - struct pci_device * pci; - GDevPtr dev; - Bool foundHW; /* PCIid in list of supported chipsets */ - Bool claimed; /* BusID matches with a device section */ - int chip; - int screen; -}; - - -/** - * Find set of unclaimed devices matching a given vendor ID. - * - * Used by drivers to find as yet unclaimed devices matching the specified - * vendor ID. - * - * \param driverName Name of the driver. This is used to find Device - * sections in the config file. - * \param vendorID PCI vendor ID of associated devices. If zero, then - * the true vendor ID must be encoded in the \c PCIid - * fields of the \c PCIchipsets entries. - * \param chipsets Symbol table used to associate chipset names with - * PCI IDs. - * \param devList List of Device sections parsed from the config file. - * \param numDevs Number of entries in \c devList. - * \param drvp Pointer the driver's control structure. - * \param foundEntities Returned list of entity indicies associated with the - * driver. - * - * \returns - * The number of elements in returned in \c foundEntities on success or zero - * on failure. - * - * \todo - * This function does a bit more than short description says. Fill in some - * more of the details of its operation. - * - * \todo - * The \c driverName parameter is redundant. It is the same as - * \c DriverRec::driverName. In a future version of this function, remove - * that parameter. - */ -int -xf86MatchPciInstances(const char *driverName, int vendorID, - SymTabPtr chipsets, PciChipsets *PCIchipsets, - GDevPtr *devList, int numDevs, DriverPtr drvp, - int **foundEntities) -{ - int i,j; - struct pci_device * pPci; - struct pci_device_iterator *iter; - struct Inst *instances = NULL; - int numClaimedInstances = 0; - int allocatedInstances = 0; - int numFound = 0; - SymTabRec *c; - PciChipsets *id; - int *retEntities = NULL; - - *foundEntities = NULL; - - - /* Each PCI device will contribute at least one entry. Each device - * section can contribute at most one entry. The sum of the two is - * guaranteed to be larger than the maximum possible number of entries. - * Do this calculation and memory allocation once now to eliminate the - * need for realloc calls inside the loop. - */ - if (!(xf86DoConfigure && xf86DoConfigurePass1)) { - unsigned max_entries = numDevs; - - iter = pci_slot_match_iterator_create(NULL); - while ((pPci = pci_device_next(iter)) != NULL) { - max_entries++; - } - - pci_iterator_destroy(iter); - instances = xnfalloc(max_entries * sizeof(struct Inst)); - } - - iter = pci_slot_match_iterator_create(NULL); - while ((pPci = pci_device_next(iter)) != NULL) { - unsigned device_class = pPci->device_class; - Bool foundVendor = FALSE; - - - /* Convert the pre-PCI 2.0 device class for a VGA adapter to the - * 2.0 version of the same class. - */ - if ( device_class == 0x00000101 ) { - device_class = 0x00030000; - } - - - /* Find PCI devices that match the given vendor ID. The vendor ID is - * either specified explicitly as a parameter to the function or - * implicitly encoded in the high bits of id->PCIid. - * - * The first device with a matching vendor is recorded, even if the - * device ID doesn't match. This is done because the Device section - * in the xorg.conf file can over-ride the device ID. A matching PCI - * ID might not be found now, but after the device ID over-ride is - * applied there /might/ be a match. - */ - for (id = PCIchipsets; id->PCIid != -1; id++) { - const unsigned vendor_id = ((id->PCIid & 0xFFFF0000) >> 16) - | vendorID; - const unsigned device_id = (id->PCIid & 0x0000FFFF); - const unsigned match_class = 0x00030000 | id->PCIid; - - if ((vendor_id == pPci->vendor_id) - || ((vendorID == PCI_VENDOR_GENERIC) && (match_class == device_class))) { - if (!foundVendor && (instances != NULL)) { - ++allocatedInstances; - instances[allocatedInstances - 1].pci = pPci; - instances[allocatedInstances - 1].dev = NULL; - instances[allocatedInstances - 1].claimed = FALSE; - instances[allocatedInstances - 1].foundHW = FALSE; - instances[allocatedInstances - 1].screen = 0; - } - - foundVendor = TRUE; - - if ( (device_id == pPci->device_id) - || ((vendorID == PCI_VENDOR_GENERIC) - && (match_class == device_class)) ) { - if ( instances != NULL ) { - instances[allocatedInstances - 1].foundHW = TRUE; - instances[allocatedInstances - 1].chip = id->numChipset; - } - - - if ( xf86DoConfigure && xf86DoConfigurePass1 ) { - if (xf86CheckPciSlot(pPci)) { - GDevPtr pGDev = - xf86AddBusDeviceToConfigure(drvp->driverName, - BUS_PCI, pPci, -1); - if (pGDev) { - /* After configure pass 1, chipID and chipRev - * are treated as over-rides, so clobber them - * here. - */ - pGDev->chipID = -1; - pGDev->chipRev = -1; - } - - numFound++; - } - } - else { - numFound++; - } - - break; - } - } - } - } - - pci_iterator_destroy(iter); - - - /* In "probe only" or "configure" mode (signaled by instances being NULL), - * our work is done. Return the number of detected devices. - */ - if ( instances == NULL ) { - return numFound; - } - - - /* - * This may be debatable, but if no PCI 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; - } - - - DebugF("%s instances found: %d\n", driverName, allocatedInstances); - - /* - * Check for devices that need duplicated instances. This is required - * when there is more than one screen per entity. - * - * XXX This currently doesn't work for cases where the BusID isn't - * specified explicitly in the config file. - */ - - for (j = 0; j < numDevs; j++) { - if (devList[j]->screen > 0 && devList[j]->busID - && *devList[j]->busID) { - for (i = 0; i < allocatedInstances; i++) { - pPci = instances[i].pci; - if (xf86ComparePciBusString(devList[j]->busID, - PCI_MAKE_BUS( pPci->domain, pPci->bus ), - pPci->dev, - pPci->func)) { - allocatedInstances++; - instances[allocatedInstances - 1] = instances[i]; - instances[allocatedInstances - 1].screen = devList[j]->screen; - numFound++; - break; - } - } - } - } - - for (i = 0; i < allocatedInstances; i++) { - GDevPtr dev = NULL; - GDevPtr devBus = NULL; - - pPci = instances[i].pci; - for (j = 0; j < numDevs; j++) { - if (devList[j]->busID && *devList[j]->busID) { - if (xf86ComparePciBusString(devList[j]->busID, - PCI_MAKE_BUS( pPci->domain, pPci->bus ), - pPci->dev, - pPci->func) && - devList[j]->screen == instances[i].screen) { - - if (devBus) - xf86MsgVerb(X_WARNING,0, - "%s: More than one matching Device section for " - "instances\n\t(BusID: %s) found: %s\n", - driverName, devList[j]->busID, - devList[j]->identifier); - else - devBus = devList[j]; - } - } else { - /* - * if device section without BusID is found - * only assign to it to the primary device. - */ - if (xf86IsPrimaryPci(pPci)) { - xf86Msg(X_PROBED, "Assigning device section with no busID" - " to primary device\n"); - if (dev || devBus) - xf86MsgVerb(X_WARNING, 0, - "%s: More than one matching Device section " - "found: %s\n", driverName, devList[j]->identifier); - else - dev = devList[j]; - } - } - } - if (devBus) dev = devBus; /* busID preferred */ - if (!dev) { - if (xf86CheckPciSlot(pPci) && pciDeviceHasBars(pPci)) { - xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section " - "for instance (BusID PCI:%u@%u:%u:%u) found\n", - driverName, pPci->domain, pPci->bus, pPci->dev, - pPci->func); - } - } else { - numClaimedInstances++; - instances[i].claimed = TRUE; - instances[i].dev = dev; - } - } - DebugF("%s instances found: %d\n", driverName, numClaimedInstances); - /* - * Now check that a chipset or chipID override in the device section - * is valid. Chipset has precedence over chipID. - * If chipset is not valid ignore BusSlot completely. - */ - for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) { - MessageType from = X_PROBED; - - if (!instances[i].claimed) { - continue; - } - if (instances[i].dev->chipset) { - for (c = chipsets; c->token >= 0; c++) { - if (xf86NameCmp(c->name, instances[i].dev->chipset) == 0) - break; - } - if (c->token == -1) { - instances[i].claimed = FALSE; - numClaimedInstances--; - xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device " - "section \"%s\" isn't valid for this driver\n", - driverName, instances[i].dev->chipset, - instances[i].dev->identifier); - } else { - instances[i].chip = c->token; - - for (id = PCIchipsets; id->numChipset >= 0; id++) { - if (id->numChipset == instances[i].chip) - break; - } - if(id->numChipset >=0){ - xf86Msg(X_CONFIG,"Chipset override: %s\n", - instances[i].dev->chipset); - from = X_CONFIG; - } else { - instances[i].claimed = FALSE; - numClaimedInstances--; - xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device " - "section \"%s\" isn't a valid PCI chipset\n", - driverName, instances[i].dev->chipset, - instances[i].dev->identifier); - } - } - } else if (instances[i].dev->chipID > 0) { - for (id = PCIchipsets; id->numChipset >= 0; id++) { - if (id->PCIid == instances[i].dev->chipID) - break; - } - if (id->numChipset == -1) { - instances[i].claimed = FALSE; - numClaimedInstances--; - xf86MsgVerb(X_WARNING, 0, "%s: ChipID 0x%04X in Device " - "section \"%s\" isn't valid for this driver\n", - driverName, instances[i].dev->chipID, - instances[i].dev->identifier); - } else { - instances[i].chip = id->numChipset; - - xf86Msg( X_CONFIG,"ChipID override: 0x%04X\n", - instances[i].dev->chipID); - from = X_CONFIG; - } - } else if (!instances[i].foundHW) { - /* - * This means that there was no override and the PCI chipType - * doesn't match one that is supported - */ - instances[i].claimed = FALSE; - numClaimedInstances--; - } - if (instances[i].claimed == TRUE){ - for (c = chipsets; c->token >= 0; c++) { - if (c->token == instances[i].chip) - break; - } - xf86Msg(from,"Chipset %s found\n", - c->name); - } - } - - /* - * 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; - pPci = instances[i].pci; - - - /* - * Allow the same entity to be used more than once for devices with - * multiple screens per entity. This assumes implicitly that there - * will be a screen == 0 instance. - * - * XXX Need to make sure that two different drivers don't claim - * the same screen > 0 instance. - */ - if (instances[i].screen == 0 && !xf86CheckPciSlot( pPci )) - continue; - - DebugF("%s: card at %d:%d:%d is claimed by a Device section\n", - driverName, pPci->bus, pPci->dev, pPci->func); - - /* Allocate an entry in the lists to be returned */ - numFound++; - retEntities = xnfrealloc(retEntities, numFound * sizeof(int)); - retEntities[numFound - 1] = xf86ClaimPciSlot( pPci, drvp, - instances[i].chip, - instances[i].dev, - instances[i].dev->active); - if (retEntities[numFound - 1] == -1 && instances[i].screen > 0) { - for (j = 0; j < xf86NumEntities; j++) { - EntityPtr pEnt = xf86Entities[j]; - if (pEnt->bus.type != BUS_PCI) - continue; - if (pEnt->bus.id.pci == pPci) { - retEntities[numFound - 1] = j; - xf86AddDevToEntity(j, instances[i].dev); - break; - } - } - } - } - free(instances); - if (numFound > 0) { - *foundEntities = retEntities; - } - - return numFound; -} - -/* - * xf86ConfigPciEntityInactive() -- This function can be used - * to configure an inactive entity as well as to reconfigure an - * previously active entity inactive. If the entity has been - * assigned to a screen before it will be removed. If p_chip is - * non-NULL all static resources listed there will be registered. - */ -static void -xf86ConfigPciEntityInactive(EntityInfoPtr pEnt, PciChipsets *p_chip, - EntityProc init, EntityProc enter, - EntityProc leave, pointer private) -{ - ScrnInfoPtr pScrn; - - if ((pScrn = xf86FindScreenForEntity(pEnt->index))) - xf86RemoveEntityFromScreen(pScrn,pEnt->index); - - /* shared resources are only needed when entity is active: remove */ - xf86SetEntityFuncs(pEnt->index,init,enter,leave,private); -} - -ScrnInfoPtr -xf86ConfigPciEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex, - PciChipsets *p_chip, void *dummy, EntityProc init, - EntityProc enter, EntityProc leave, pointer private) -{ - EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex); - if (!pEnt) return pScrn; - - if (!(pEnt->location.type == BUS_PCI) - || !xf86GetPciInfoForEntity(entityIndex)) { - free(pEnt); - return pScrn; - } - if (!pEnt->active) { - xf86ConfigPciEntityInactive(pEnt, p_chip, init, enter, - leave, private); - free(pEnt); - return pScrn; - } - - if (!pScrn) - pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag); - if (xf86IsEntitySharable(entityIndex)) { - xf86SetEntityShared(entityIndex); - } - xf86AddEntityToScreen(pScrn,entityIndex); - if (xf86IsEntityShared(entityIndex)) { - return pScrn; - } - free(pEnt); - - xf86SetEntityFuncs(entityIndex,init,enter,leave,private); - - return pScrn; -} - -/* - * OBSOLETE ! xf86ConfigActivePciEntity() is an obsolete function. - * It is likely to be removed. Don't use! - */ -Bool -xf86ConfigActivePciEntity(ScrnInfoPtr pScrn, int entityIndex, - PciChipsets *p_chip, void *dummy, EntityProc init, - EntityProc enter, EntityProc leave, pointer private) -{ - EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex); - if (!pEnt) return FALSE; - - if (!pEnt->active || !(pEnt->location.type == BUS_PCI)) { - free(pEnt); - return FALSE; - } - xf86AddEntityToScreen(pScrn,entityIndex); - - free(pEnt); - if (!xf86SetEntityFuncs(entityIndex,init,enter,leave,private)) - return FALSE; - - return TRUE; -} - -static int -videoPtrToDriverList(struct pci_device *dev, - char *returnList[], int returnListMax) -{ - int i; - /* Add more entries here if we ever return more than 4 drivers for - any device */ - char *driverList[5] = { NULL, NULL, NULL, NULL, NULL }; - - switch (dev->vendor_id) - { - /* AMD Geode LX */ - case 0x1022: - if (dev->device_id == 0x2081) - driverList[0] = "geode"; - break; - /* older Geode products acquired by AMD still carry an NSC vendor_id */ - case 0x100b: - if (dev->device_id == 0x0030) { - /* NSC Geode GX2 specifically */ - driverList[0] = "geode"; - /* GX2 support started its life in the NSC tree and was later - forked by AMD for GEODE so we keep it as a backup */ - driverList[1] = "nsc"; - } else - /* other NSC variant e.g. 0x0104 (SC1400), 0x0504 (SCx200) */ - driverList[0] = "nsc"; - break; - /* Cyrix Geode GX1 */ - case 0x1078: - if (dev->device_id == 0x0104) - driverList[0] = "cyrix"; - break; - case 0x1142: driverList[0] = "apm"; break; - case 0xedd8: driverList[0] = "ark"; break; - case 0x1a03: driverList[0] = "ast"; break; - case 0x1002: driverList[0] = "ati"; break; - case 0x102c: driverList[0] = "chips"; break; - case 0x1013: driverList[0] = "cirrus"; break; - case 0x3d3d: driverList[0] = "glint"; break; - case 0x105d: driverList[0] = "i128"; break; - case 0x8086: - if ((dev->device_id == 0x00d1) || (dev->device_id == 0x7800)) { - driverList[0] = "i740"; - } else if (dev->device_id == 0x8108) { - break; /* "hooray" for poulsbo */ - } else { - driverList[0] = "intel"; - } - break; - case 0x102b: driverList[0] = "mga"; break; - case 0x10c8: driverList[0] = "neomagic"; break; - case 0x10de: case 0x12d2: driverList[0] = "nv"; break; - case 0x1106: driverList[0] = "openchrome"; break; - case 0x1b36: driverList[0] = "qxl"; break; - case 0x1163: driverList[0] = "rendition"; break; - case 0x5333: - switch (dev->device_id) - { - case 0x88d0: case 0x88d1: case 0x88f0: case 0x8811: - case 0x8812: case 0x8814: case 0x8901: - driverList[0] = "s3"; break; - case 0x5631: case 0x883d: case 0x8a01: case 0x8a10: - case 0x8c01: case 0x8c03: case 0x8904: case 0x8a13: - driverList[0] = "s3virge"; break; - default: - driverList[0] = "savage"; break; - } - break; - case 0x1039: driverList[0] = "sis"; break; - case 0x126f: driverList[0] = "siliconmotion"; break; - case 0x121a: - if (dev->device_id < 0x0003) - driverList[0] = "voodoo"; - else - driverList[0] = "tdfx"; - break; - case 0x1011: driverList[0] = "tga"; break; - case 0x1023: driverList[0] = "trident"; break; - case 0x100c: driverList[0] = "tseng"; break; - case 0x80ee: driverList[0] = "vboxvideo"; break; - case 0x15ad: driverList[0] = "vmware"; break; - case 0x18ca: - if (dev->device_id == 0x47) - driverList[0] = "xgixp"; - else - driverList[0] = "xgi"; - break; - default: break; - } - for (i = 0; (i < returnListMax) && (driverList[i] != NULL); i++) { - returnList[i] = xnfstrdup(driverList[i]); - } - return i; /* Number of entries added */ -} - -#ifdef __linux__ -static int -xchomp(char *line) -{ - size_t len = 0; - - if (!line) { - return 1; - } - - len = strlen(line); - if (line[len - 1] == '\n' && len > 0) { - line[len - 1] = '\0'; - } - return 0; -} - -/* This function is used to provide a workaround for binary drivers that - * don't export their PCI ID's properly. If distros don't end up using this - * feature it can and should be removed because the symbol-based resolution - * scheme should be the primary one */ -static void -matchDriverFromFiles (char** matches, uint16_t match_vendor, uint16_t match_chip) -{ - DIR *idsdir; - FILE *fp; - struct dirent *direntry; - char *line = NULL; - size_t len; - ssize_t read; - char path_name[256], vendor_str[5], chip_str[5]; - uint16_t vendor, chip; - int i, j; - - idsdir = opendir(PCI_TXT_IDS_PATH); - if (!idsdir) - return; - - xf86Msg(X_INFO, "Scanning %s directory for additional PCI ID's supported by the drivers\n", PCI_TXT_IDS_PATH); - direntry = readdir(idsdir); - /* Read the directory */ - while (direntry) { - if (direntry->d_name[0] == '.') { - direntry = readdir(idsdir); - continue; - } - len = strlen(direntry->d_name); - /* A tiny bit of sanity checking. We should probably do better */ - if (strncmp(&(direntry->d_name[len-4]), ".ids", 4) == 0) { - /* We need the full path name to open the file */ - strncpy(path_name, PCI_TXT_IDS_PATH, 256); - strncat(path_name, "/", 1); - strncat(path_name, direntry->d_name, (256 - strlen(path_name) - 1)); - fp = fopen(path_name, "r"); - if (fp == NULL) { - xf86Msg(X_ERROR, "Could not open %s for reading. Exiting.\n", path_name); - goto end; - } - /* Read the file */ -#ifdef __GLIBC__ - while ((read = getline(&line, &len, fp)) != -1) { -#else - while ((line = fgetln(fp, &len)) != (char *)NULL) { -#endif /* __GLIBC __ */ - xchomp(line); - if (isdigit(line[0])) { - strncpy(vendor_str, line, 4); - vendor_str[4] = '\0'; - vendor = (int)strtol(vendor_str, NULL, 16); - if ((strlen(&line[4])) == 0) { - chip_str[0] = '\0'; - chip = -1; - } else { - /* Handle trailing whitespace */ - if (isspace(line[4])) { - chip_str[0] = '\0'; - chip = -1; - } else { - /* Ok, it's a real ID */ - strncpy(chip_str, &line[4], 4); - chip_str[4] = '\0'; - chip = (int)strtol(chip_str, NULL, 16); - } - } - if (vendor == match_vendor && chip == match_chip ) { - i = 0; - while (matches[i]) { - i++; - } - matches[i] = (char*)malloc(sizeof(char) * strlen(direntry->d_name) - 3); - if (!matches[i]) { - xf86Msg(X_ERROR, "Could not allocate space for the module name. Exiting.\n"); - goto end; - } - /* hack off the .ids suffix. This should guard - * against other problems, but it will end up - * taking off anything after the first '.' */ - for (j = 0; j < (strlen(direntry->d_name) - 3) ; j++) { - if (direntry->d_name[j] == '.') { - matches[i][j] = '\0'; - break; - } else { - matches[i][j] = direntry->d_name[j]; - } - } - xf86Msg(X_INFO, "Matched %s from file name %s\n", matches[i], direntry->d_name); - } - } else { - /* TODO Handle driver overrides here */ - } - } - fclose(fp); - } - direntry = readdir(idsdir); - } - end: - free(line); - closedir(idsdir); -} -#endif /* __linux__ */ - -/** - * @return The numbers of found devices that match with the current system - * drivers. - */ -int -xf86PciMatchDriver(char* matches[], int nmatches) { - int i; - struct pci_device * info = NULL; - struct pci_device_iterator *iter; - - /* Find the primary device, and get some information about it. */ - iter = pci_slot_match_iterator_create(NULL); - while ((info = pci_device_next(iter)) != NULL) { - if (xf86IsPrimaryPci(info)) { - break; - } - } - - pci_iterator_destroy(iter); -#ifdef __linux__ - if (info) - matchDriverFromFiles(matches, info->vendor_id, info->device_id); -#endif - - for (i = 0; (i < nmatches) && (matches[i]); i++) { - /* find end of matches list */ - } - - if ((info != NULL) && (i < nmatches)) { - i += videoPtrToDriverList(info, &(matches[i]), nmatches - i); - } - - return i; -} - -Bool -xf86PciConfigure(void *busData, struct pci_device *pDev) -{ - struct pci_device * pVideo = NULL; - - pVideo = (struct pci_device *) busData; - if (pDev && - (pDev->domain == pVideo->domain) && - (pDev->bus == pVideo->bus) && - (pDev->dev == pVideo->dev) && - (pDev->func == pVideo->func)) - return 0; - - return 1; -} - -void -xf86PciConfigureNewDev(void *busData, struct pci_device *pVideo, - GDevRec *GDev, int *chipset) -{ - char busnum[8]; - - pVideo = (struct pci_device *) busData; - - xf86FormatPciBusNumber(pVideo->bus, busnum); - XNFasprintf(&GDev->busID, "PCI:%s:%d:%d", - busnum, pVideo->dev, pVideo->func); - - GDev->chipID = pVideo->device_id; - GDev->chipRev = pVideo->revision; - - if (*chipset < 0) - *chipset = (pVideo->vendor_id << 16) | pVideo->device_id; -} +/* + * Copyright (c) 1997-2003 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + +/* + * This file contains the interfaces to the bus-specific code + */ +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include "os.h" +#include "Pci.h" +#include "xf86.h" +#include "xf86Priv.h" +#include "dirent.h" /* DIR, FILE type definitions */ + +/* Bus-specific headers */ +#include "xf86Bus.h" + +#define XF86_OS_PRIVS +#include "xf86_OSproc.h" + + +/* Bus-specific globals */ +Bool pciSlotClaimed = FALSE; + +#define PCIINFOCLASSES(c) \ + ( (((c) & 0x00ff0000) == (PCI_CLASS_PREHISTORIC << 16)) \ + || (((c) & 0x00ff0000) == (PCI_CLASS_DISPLAY << 16)) \ + || ((((c) & 0x00ffff00) \ + == ((PCI_CLASS_MULTIMEDIA << 16) | (PCI_SUBCLASS_MULTIMEDIA_VIDEO << 8)))) \ + || ((((c) & 0x00ffff00) \ + == ((PCI_CLASS_PROCESSOR << 16) | (PCI_SUBCLASS_PROCESSOR_COPROC << 8)))) ) + +/* + * PCI classes that have messages printed always. The others are only + * have a message printed when the vendor/dev IDs are recognised. + */ +#define PCIALWAYSPRINTCLASSES(c) \ + ( (((c) & 0x00ffff00) \ + == ((PCI_CLASS_PREHISTORIC << 16) | (PCI_SUBCLASS_PREHISTORIC_VGA << 8))) \ + || (((c) & 0x00ff0000) == (PCI_CLASS_DISPLAY << 16)) \ + || ((((c) & 0x00ffff00) \ + == ((PCI_CLASS_MULTIMEDIA << 16) | (PCI_SUBCLASS_MULTIMEDIA_VIDEO << 8)))) ) + +#define IS_VGA(c) \ + (((c) & 0x00ffff00) \ + == ((PCI_CLASS_DISPLAY << 16) | (PCI_SUBCLASS_DISPLAY_VGA << 8))) + + +static struct pci_slot_match xf86IsolateDevice = { + PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0 +}; + +void +xf86FormatPciBusNumber(int busnum, char *buffer) +{ + /* 'buffer' should be at least 8 characters long */ + if (busnum < 256) + sprintf(buffer, "%d", busnum); + else + sprintf(buffer, "%d@%d", busnum & 0x00ff, busnum >> 8); +} + +/* + * xf86Bus.c interface + */ + +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); + if (pci_device_is_boot_vga(info)) { + primaryBus.type = BUS_PCI; + primaryBus.id.pci = info; + } + 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); +} + +/* + * If the slot requested is already in use, return -1. + * Otherwise, claim the slot for the screen requesting it. + */ + +int +xf86ClaimPciSlot(struct pci_device * d, DriverPtr drvp, + int chipset, GDevPtr dev, Bool active) +{ + EntityPtr p = NULL; + int num; + + if (xf86CheckPciSlot(d)) { + num = xf86AllocateEntity(); + p = xf86Entities[num]; + p->driver = drvp; + p->chipset = chipset; + p->bus.type = BUS_PCI; + p->bus.id.pci = d; + p->active = active; + p->inUse = FALSE; + if (dev) + xf86AddDevToEntity(num, dev); + pciSlotClaimed = TRUE; + + return num; + } else + return -1; +} + +/* + * Unclaim PCI slot, e.g. if probing failed, so that a different driver can claim. + */ +void +xf86UnclaimPciSlot(struct pci_device *d) +{ + int i; + + for (i = 0; i < xf86NumEntities; i++) { + const EntityPtr p = xf86Entities[i]; + + if ((p->bus.type == BUS_PCI) && (p->bus.id.pci == d)) { + /* Probably the slot should be deallocated? */ + p->bus.type = BUS_NONE; + return; + } + } +} + +/* + * Parse a BUS ID string, and return the PCI bus parameters if it was + * in the correct format for a PCI bus id. + */ + +Bool +xf86ParsePciBusString(const char *busID, int *bus, int *device, int *func) +{ + /* + * The format is assumed to be "bus[@domain]:device[:func]", where domain, + * bus, device and func are decimal integers. domain and func may be + * omitted and assumed to be zero, although doing this isn't encouraged. + */ + + char *p, *s, *d; + const char *id; + int i; + + if (StringToBusType(busID, &id) != BUS_PCI) + return FALSE; + + s = xstrdup(id); + p = strtok(s, ":"); + if (p == NULL || *p == 0) { + free(s); + return FALSE; + } + d = strpbrk(p, "@"); + if (d != NULL) { + *(d++) = 0; + for (i = 0; d[i] != 0; i++) { + if (!isdigit(d[i])) { + free(s); + return FALSE; + } + } + } + for (i = 0; p[i] != 0; i++) { + if (!isdigit(p[i])) { + free(s); + return FALSE; + } + } + *bus = atoi(p); + if (d != NULL && *d != 0) + *bus += atoi(d) << 8; + p = strtok(NULL, ":"); + if (p == NULL || *p == 0) { + free(s); + return FALSE; + } + for (i = 0; p[i] != 0; i++) { + if (!isdigit(p[i])) { + free(s); + return FALSE; + } + } + *device = atoi(p); + *func = 0; + p = strtok(NULL, ":"); + if (p == NULL || *p == 0) { + free(s); + return TRUE; + } + for (i = 0; p[i] != 0; i++) { + if (!isdigit(p[i])) { + free(s); + return FALSE; + } + } + *func = atoi(p); + free(s); + return TRUE; +} + +/* + * Compare a BUS ID string with a PCI bus id. Return TRUE if they match. + */ + +Bool +xf86ComparePciBusString(const char *busID, int bus, int device, int func) +{ + int ibus, idevice, ifunc; + + if (xf86ParsePciBusString(busID, &ibus, &idevice, &ifunc)) { + return bus == ibus && device == idevice && func == ifunc; + } else { + return FALSE; + } +} + +/* + * xf86IsPrimaryPci() -- return TRUE if primary device + * is PCI and bus, dev and func numbers match. + */ + +Bool +xf86IsPrimaryPci(struct pci_device *pPci) +{ + return ((primaryBus.type == BUS_PCI) && (pPci == primaryBus.id.pci)); +} + +/* + * xf86GetPciInfoForEntity() -- Get the pciVideoRec of entity. + */ +struct pci_device * +xf86GetPciInfoForEntity(int entityIndex) +{ + EntityPtr p; + + if (entityIndex >= xf86NumEntities) + return NULL; + + p = xf86Entities[entityIndex]; + return (p->bus.type == BUS_PCI) ? p->bus.id.pci : NULL; +} + +/* + * xf86CheckPciMemBase() checks that the memory base value matches one of the + * PCI base address register values for the given PCI device. + */ +Bool +xf86CheckPciMemBase( struct pci_device * pPci, memType base ) +{ + int i; + + for (i = 0; i < 6; i++) + if (base == pPci->regions[i].base_addr) + return TRUE; + return FALSE; +} + +/* + * Check if the slot requested is free. If it is already in use, return FALSE. + */ + +Bool +xf86CheckPciSlot(const struct pci_device *d) +{ + int i; + + for (i = 0; i < xf86NumEntities; i++) { + const EntityPtr p = xf86Entities[i]; + + if ((p->bus.type == BUS_PCI) && (p->bus.id.pci == d)) { + return FALSE; + } + } + return TRUE; +} + +#define END_OF_MATCHES(m) \ + (((m).vendor_id == 0) && ((m).device_id == 0) && ((m).subvendor_id == 0)) + +Bool +xf86PciAddMatchingDev(DriverPtr drvp) +{ + const struct pci_id_match * const devices = drvp->supported_devices; + int j; + struct pci_device *pPci; + struct pci_device_iterator *iter; + int numFound = 0; + + + iter = pci_id_match_iterator_create(NULL); + while ((pPci = pci_device_next(iter)) != NULL) { + /* Determine if this device is supported by the driver. If it is, + * add it to the list of devices to configure. + */ + for (j = 0 ; ! END_OF_MATCHES(devices[j]) ; j++) { + if ( PCI_ID_COMPARE( devices[j].vendor_id, pPci->vendor_id ) + && PCI_ID_COMPARE( devices[j].device_id, pPci->device_id ) + && ((devices[j].device_class_mask & pPci->device_class) + == devices[j].device_class) ) { + if (xf86CheckPciSlot(pPci)) { + GDevPtr pGDev = xf86AddBusDeviceToConfigure( + drvp->driverName, BUS_PCI, pPci, -1); + if (pGDev != NULL) { + /* After configure pass 1, chipID and chipRev are + * treated as over-rides, so clobber them here. + */ + pGDev->chipID = -1; + pGDev->chipRev = -1; + } + + numFound++; + } + + break; + } + } + } + + pci_iterator_destroy(iter); + + return numFound != 0; +} + +Bool +xf86PciProbeDev(DriverPtr drvp) +{ + int i, j; + struct pci_device * pPci; + Bool foundScreen = FALSE; + const struct pci_id_match * const devices = drvp->supported_devices; + GDevPtr *devList; + const unsigned numDevs = xf86MatchDevice(drvp->driverName, & devList); + + for ( i = 0 ; i < numDevs ; i++ ) { + struct pci_device_iterator *iter; + unsigned device_id; + + + /* Find the pciVideoRec associated with this device section. + */ + iter = pci_id_match_iterator_create(NULL); + while ((pPci = pci_device_next(iter)) != NULL) { + if (devList[i]->busID && *devList[i]->busID) { + if (xf86ComparePciBusString(devList[i]->busID, + ((pPci->domain << 8) + | pPci->bus), + pPci->dev, + pPci->func)) { + break; + } + } + else if (xf86IsPrimaryPci(pPci)) { + break; + } + } + + pci_iterator_destroy(iter); + + if (pPci == NULL) { + continue; + } + device_id = (devList[i]->chipID > 0) + ? devList[i]->chipID : pPci->device_id; + + + /* Once the pciVideoRec is found, determine if the device is supported + * by the driver. If it is, probe it! + */ + for ( j = 0 ; ! END_OF_MATCHES( devices[j] ) ; j++ ) { + if ( PCI_ID_COMPARE( devices[j].vendor_id, pPci->vendor_id ) + && PCI_ID_COMPARE( devices[j].device_id, device_id ) + && ((devices[j].device_class_mask & pPci->device_class) + == devices[j].device_class) ) { + int entry; + + /* Allow the same entity to be used more than once for + * devices with multiple screens per entity. This assumes + * implicitly that there will be a screen == 0 instance. + * + * FIXME Need to make sure that two different drivers don't + * FIXME claim the same screen > 0 instance. + */ + if ((devList[i]->screen == 0) && !xf86CheckPciSlot(pPci)) + continue; + + DebugF("%s: card at %d:%d:%d is claimed by a Device section\n", + drvp->driverName, pPci->bus, pPci->dev, pPci->func); + + /* Allocate an entry in the lists to be returned */ + entry = xf86ClaimPciSlot(pPci, drvp, device_id, + devList[i], devList[i]->active); + + if ((entry == -1) && (devList[i]->screen > 0)) { + unsigned k; + + for (k = 0; k < xf86NumEntities; k++ ) { + EntityPtr pEnt = xf86Entities[k]; + if (pEnt->bus.type != BUS_PCI) + continue; + if (pEnt->bus.id.pci == pPci) { + entry = k; + xf86AddDevToEntity(k, devList[i]); + break; + } + } + } + + if (entry != -1) { + if ((*drvp->PciProbe)(drvp, entry, pPci, + devices[j].match_data)) { + foundScreen = TRUE; + } else + xf86UnclaimPciSlot(pPci); + } + + break; + } + } + } + free(devList); + + return foundScreen; +} + +void +xf86PciIsolateDevice(char *argument) +{ + int bus, device, func; + + if (sscanf(argument, "PCI:%d:%d:%d", &bus, &device, &func) == 3) { + xf86IsolateDevice.domain = PCI_DOM_FROM_BUS(bus); + xf86IsolateDevice.bus = PCI_BUS_NO_DOMAIN(bus); + xf86IsolateDevice.dev = device; + xf86IsolateDevice.func = func; + } else + FatalError("Invalid isolated device specification\n"); +} + +static Bool +pciDeviceHasBars(struct pci_device *pci) +{ + int i; + + for (i = 0; i < 6; i++) + if (pci->regions[i].size) + return TRUE; + + if (pci->rom_size) + return TRUE; + + return FALSE; +} + +struct Inst { + struct pci_device * pci; + GDevPtr dev; + Bool foundHW; /* PCIid in list of supported chipsets */ + Bool claimed; /* BusID matches with a device section */ + int chip; + int screen; +}; + + +/** + * Find set of unclaimed devices matching a given vendor ID. + * + * Used by drivers to find as yet unclaimed devices matching the specified + * vendor ID. + * + * \param driverName Name of the driver. This is used to find Device + * sections in the config file. + * \param vendorID PCI vendor ID of associated devices. If zero, then + * the true vendor ID must be encoded in the \c PCIid + * fields of the \c PCIchipsets entries. + * \param chipsets Symbol table used to associate chipset names with + * PCI IDs. + * \param devList List of Device sections parsed from the config file. + * \param numDevs Number of entries in \c devList. + * \param drvp Pointer the driver's control structure. + * \param foundEntities Returned list of entity indicies associated with the + * driver. + * + * \returns + * The number of elements in returned in \c foundEntities on success or zero + * on failure. + * + * \todo + * This function does a bit more than short description says. Fill in some + * more of the details of its operation. + * + * \todo + * The \c driverName parameter is redundant. It is the same as + * \c DriverRec::driverName. In a future version of this function, remove + * that parameter. + */ +int +xf86MatchPciInstances(const char *driverName, int vendorID, + SymTabPtr chipsets, PciChipsets *PCIchipsets, + GDevPtr *devList, int numDevs, DriverPtr drvp, + int **foundEntities) +{ + int i,j; + struct pci_device * pPci; + struct pci_device_iterator *iter; + struct Inst *instances = NULL; + int numClaimedInstances = 0; + int allocatedInstances = 0; + int numFound = 0; + SymTabRec *c; + PciChipsets *id; + int *retEntities = NULL; + + *foundEntities = NULL; + + + /* Each PCI device will contribute at least one entry. Each device + * section can contribute at most one entry. The sum of the two is + * guaranteed to be larger than the maximum possible number of entries. + * Do this calculation and memory allocation once now to eliminate the + * need for realloc calls inside the loop. + */ + if (!(xf86DoConfigure && xf86DoConfigurePass1)) { + unsigned max_entries = numDevs; + + iter = pci_slot_match_iterator_create(NULL); + while ((pPci = pci_device_next(iter)) != NULL) { + max_entries++; + } + + pci_iterator_destroy(iter); + instances = xnfalloc(max_entries * sizeof(struct Inst)); + } + + iter = pci_slot_match_iterator_create(NULL); + while ((pPci = pci_device_next(iter)) != NULL) { + unsigned device_class = pPci->device_class; + Bool foundVendor = FALSE; + + + /* Convert the pre-PCI 2.0 device class for a VGA adapter to the + * 2.0 version of the same class. + */ + if ( device_class == 0x00000101 ) { + device_class = 0x00030000; + } + + + /* Find PCI devices that match the given vendor ID. The vendor ID is + * either specified explicitly as a parameter to the function or + * implicitly encoded in the high bits of id->PCIid. + * + * The first device with a matching vendor is recorded, even if the + * device ID doesn't match. This is done because the Device section + * in the xorg.conf file can over-ride the device ID. A matching PCI + * ID might not be found now, but after the device ID over-ride is + * applied there /might/ be a match. + */ + for (id = PCIchipsets; id->PCIid != -1; id++) { + const unsigned vendor_id = ((id->PCIid & 0xFFFF0000) >> 16) + | vendorID; + const unsigned device_id = (id->PCIid & 0x0000FFFF); + const unsigned match_class = 0x00030000 | id->PCIid; + + if ((vendor_id == pPci->vendor_id) + || ((vendorID == PCI_VENDOR_GENERIC) && (match_class == device_class))) { + if (!foundVendor && (instances != NULL)) { + ++allocatedInstances; + instances[allocatedInstances - 1].pci = pPci; + instances[allocatedInstances - 1].dev = NULL; + instances[allocatedInstances - 1].claimed = FALSE; + instances[allocatedInstances - 1].foundHW = FALSE; + instances[allocatedInstances - 1].screen = 0; + } + + foundVendor = TRUE; + + if ( (device_id == pPci->device_id) + || ((vendorID == PCI_VENDOR_GENERIC) + && (match_class == device_class)) ) { + if ( instances != NULL ) { + instances[allocatedInstances - 1].foundHW = TRUE; + instances[allocatedInstances - 1].chip = id->numChipset; + } + + + if ( xf86DoConfigure && xf86DoConfigurePass1 ) { + if (xf86CheckPciSlot(pPci)) { + GDevPtr pGDev = + xf86AddBusDeviceToConfigure(drvp->driverName, + BUS_PCI, pPci, -1); + if (pGDev) { + /* After configure pass 1, chipID and chipRev + * are treated as over-rides, so clobber them + * here. + */ + pGDev->chipID = -1; + pGDev->chipRev = -1; + } + + numFound++; + } + } + else { + numFound++; + } + + break; + } + } + } + } + + pci_iterator_destroy(iter); + + + /* In "probe only" or "configure" mode (signaled by instances being NULL), + * our work is done. Return the number of detected devices. + */ + if ( instances == NULL ) { + return numFound; + } + + + /* + * This may be debatable, but if no PCI 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; + } + + + DebugF("%s instances found: %d\n", driverName, allocatedInstances); + + /* + * Check for devices that need duplicated instances. This is required + * when there is more than one screen per entity. + * + * XXX This currently doesn't work for cases where the BusID isn't + * specified explicitly in the config file. + */ + + for (j = 0; j < numDevs; j++) { + if (devList[j]->screen > 0 && devList[j]->busID + && *devList[j]->busID) { + for (i = 0; i < allocatedInstances; i++) { + pPci = instances[i].pci; + if (xf86ComparePciBusString(devList[j]->busID, + PCI_MAKE_BUS( pPci->domain, pPci->bus ), + pPci->dev, + pPci->func)) { + allocatedInstances++; + instances[allocatedInstances - 1] = instances[i]; + instances[allocatedInstances - 1].screen = devList[j]->screen; + numFound++; + break; + } + } + } + } + + for (i = 0; i < allocatedInstances; i++) { + GDevPtr dev = NULL; + GDevPtr devBus = NULL; + + pPci = instances[i].pci; + for (j = 0; j < numDevs; j++) { + if (devList[j]->busID && *devList[j]->busID) { + if (xf86ComparePciBusString(devList[j]->busID, + PCI_MAKE_BUS( pPci->domain, pPci->bus ), + pPci->dev, + pPci->func) && + devList[j]->screen == instances[i].screen) { + + if (devBus) + xf86MsgVerb(X_WARNING,0, + "%s: More than one matching Device section for " + "instances\n\t(BusID: %s) found: %s\n", + driverName, devList[j]->busID, + devList[j]->identifier); + else + devBus = devList[j]; + } + } else { + /* + * if device section without BusID is found + * only assign to it to the primary device. + */ + if (xf86IsPrimaryPci(pPci)) { + xf86Msg(X_PROBED, "Assigning device section with no busID" + " to primary device\n"); + if (dev || devBus) + xf86MsgVerb(X_WARNING, 0, + "%s: More than one matching Device section " + "found: %s\n", driverName, devList[j]->identifier); + else + dev = devList[j]; + } + } + } + if (devBus) dev = devBus; /* busID preferred */ + if (!dev) { + if (xf86CheckPciSlot(pPci) && pciDeviceHasBars(pPci)) { + xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section " + "for instance (BusID PCI:%u@%u:%u:%u) found\n", + driverName, pPci->domain, pPci->bus, pPci->dev, + pPci->func); + } + } else { + numClaimedInstances++; + instances[i].claimed = TRUE; + instances[i].dev = dev; + } + } + DebugF("%s instances found: %d\n", driverName, numClaimedInstances); + /* + * Now check that a chipset or chipID override in the device section + * is valid. Chipset has precedence over chipID. + * If chipset is not valid ignore BusSlot completely. + */ + for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) { + MessageType from = X_PROBED; + + if (!instances[i].claimed) { + continue; + } + if (instances[i].dev->chipset) { + for (c = chipsets; c->token >= 0; c++) { + if (xf86NameCmp(c->name, instances[i].dev->chipset) == 0) + break; + } + if (c->token == -1) { + instances[i].claimed = FALSE; + numClaimedInstances--; + xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device " + "section \"%s\" isn't valid for this driver\n", + driverName, instances[i].dev->chipset, + instances[i].dev->identifier); + } else { + instances[i].chip = c->token; + + for (id = PCIchipsets; id->numChipset >= 0; id++) { + if (id->numChipset == instances[i].chip) + break; + } + if(id->numChipset >=0){ + xf86Msg(X_CONFIG,"Chipset override: %s\n", + instances[i].dev->chipset); + from = X_CONFIG; + } else { + instances[i].claimed = FALSE; + numClaimedInstances--; + xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device " + "section \"%s\" isn't a valid PCI chipset\n", + driverName, instances[i].dev->chipset, + instances[i].dev->identifier); + } + } + } else if (instances[i].dev->chipID > 0) { + for (id = PCIchipsets; id->numChipset >= 0; id++) { + if (id->PCIid == instances[i].dev->chipID) + break; + } + if (id->numChipset == -1) { + instances[i].claimed = FALSE; + numClaimedInstances--; + xf86MsgVerb(X_WARNING, 0, "%s: ChipID 0x%04X in Device " + "section \"%s\" isn't valid for this driver\n", + driverName, instances[i].dev->chipID, + instances[i].dev->identifier); + } else { + instances[i].chip = id->numChipset; + + xf86Msg( X_CONFIG,"ChipID override: 0x%04X\n", + instances[i].dev->chipID); + from = X_CONFIG; + } + } else if (!instances[i].foundHW) { + /* + * This means that there was no override and the PCI chipType + * doesn't match one that is supported + */ + instances[i].claimed = FALSE; + numClaimedInstances--; + } + if (instances[i].claimed == TRUE){ + for (c = chipsets; c->token >= 0; c++) { + if (c->token == instances[i].chip) + break; + } + xf86Msg(from,"Chipset %s found\n", + c->name); + } + } + + /* + * 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; + pPci = instances[i].pci; + + + /* + * Allow the same entity to be used more than once for devices with + * multiple screens per entity. This assumes implicitly that there + * will be a screen == 0 instance. + * + * XXX Need to make sure that two different drivers don't claim + * the same screen > 0 instance. + */ + if (instances[i].screen == 0 && !xf86CheckPciSlot( pPci )) + continue; + + DebugF("%s: card at %d:%d:%d is claimed by a Device section\n", + driverName, pPci->bus, pPci->dev, pPci->func); + + /* Allocate an entry in the lists to be returned */ + numFound++; + retEntities = xnfrealloc(retEntities, numFound * sizeof(int)); + retEntities[numFound - 1] = xf86ClaimPciSlot( pPci, drvp, + instances[i].chip, + instances[i].dev, + instances[i].dev->active); + if (retEntities[numFound - 1] == -1 && instances[i].screen > 0) { + for (j = 0; j < xf86NumEntities; j++) { + EntityPtr pEnt = xf86Entities[j]; + if (pEnt->bus.type != BUS_PCI) + continue; + if (pEnt->bus.id.pci == pPci) { + retEntities[numFound - 1] = j; + xf86AddDevToEntity(j, instances[i].dev); + break; + } + } + } + } + free(instances); + if (numFound > 0) { + *foundEntities = retEntities; + } + + return numFound; +} + +/* + * xf86ConfigPciEntityInactive() -- This function can be used + * to configure an inactive entity as well as to reconfigure an + * previously active entity inactive. If the entity has been + * assigned to a screen before it will be removed. If p_chip is + * non-NULL all static resources listed there will be registered. + */ +static void +xf86ConfigPciEntityInactive(EntityInfoPtr pEnt, PciChipsets *p_chip, + EntityProc init, EntityProc enter, + EntityProc leave, pointer private) +{ + ScrnInfoPtr pScrn; + + if ((pScrn = xf86FindScreenForEntity(pEnt->index))) + xf86RemoveEntityFromScreen(pScrn,pEnt->index); + + /* shared resources are only needed when entity is active: remove */ + xf86SetEntityFuncs(pEnt->index,init,enter,leave,private); +} + +ScrnInfoPtr +xf86ConfigPciEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex, + PciChipsets *p_chip, void *dummy, EntityProc init, + EntityProc enter, EntityProc leave, pointer private) +{ + EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex); + if (!pEnt) return pScrn; + + if (!(pEnt->location.type == BUS_PCI) + || !xf86GetPciInfoForEntity(entityIndex)) { + free(pEnt); + return pScrn; + } + if (!pEnt->active) { + xf86ConfigPciEntityInactive(pEnt, p_chip, init, enter, + leave, private); + free(pEnt); + return pScrn; + } + + if (!pScrn) + pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag); + if (xf86IsEntitySharable(entityIndex)) { + xf86SetEntityShared(entityIndex); + } + xf86AddEntityToScreen(pScrn,entityIndex); + if (xf86IsEntityShared(entityIndex)) { + return pScrn; + } + free(pEnt); + + xf86SetEntityFuncs(entityIndex,init,enter,leave,private); + + return pScrn; +} + +/* + * OBSOLETE ! xf86ConfigActivePciEntity() is an obsolete function. + * It is likely to be removed. Don't use! + */ +Bool +xf86ConfigActivePciEntity(ScrnInfoPtr pScrn, int entityIndex, + PciChipsets *p_chip, void *dummy, EntityProc init, + EntityProc enter, EntityProc leave, pointer private) +{ + EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex); + if (!pEnt) return FALSE; + + if (!pEnt->active || !(pEnt->location.type == BUS_PCI)) { + free(pEnt); + return FALSE; + } + xf86AddEntityToScreen(pScrn,entityIndex); + + free(pEnt); + if (!xf86SetEntityFuncs(entityIndex,init,enter,leave,private)) + return FALSE; + + return TRUE; +} + +static int +videoPtrToDriverList(struct pci_device *dev, + char *returnList[], int returnListMax) +{ + int i; + /* Add more entries here if we ever return more than 4 drivers for + any device */ + char *driverList[5] = { NULL, NULL, NULL, NULL, NULL }; + + switch (dev->vendor_id) + { + /* AMD Geode LX */ + case 0x1022: + if (dev->device_id == 0x2081) + driverList[0] = "geode"; + break; + /* older Geode products acquired by AMD still carry an NSC vendor_id */ + case 0x100b: + if (dev->device_id == 0x0030) { + /* NSC Geode GX2 specifically */ + driverList[0] = "geode"; + /* GX2 support started its life in the NSC tree and was later + forked by AMD for GEODE so we keep it as a backup */ + driverList[1] = "nsc"; + } else + /* other NSC variant e.g. 0x0104 (SC1400), 0x0504 (SCx200) */ + driverList[0] = "nsc"; + break; + /* Cyrix Geode GX1 */ + case 0x1078: + if (dev->device_id == 0x0104) + driverList[0] = "cyrix"; + break; + case 0x1142: driverList[0] = "apm"; break; + case 0xedd8: driverList[0] = "ark"; break; + case 0x1a03: driverList[0] = "ast"; break; + case 0x1002: driverList[0] = "ati"; break; + case 0x102c: driverList[0] = "chips"; break; + case 0x1013: driverList[0] = "cirrus"; break; + case 0x3d3d: driverList[0] = "glint"; break; + case 0x105d: driverList[0] = "i128"; break; + case 0x8086: + if ((dev->device_id == 0x00d1) || (dev->device_id == 0x7800)) { + driverList[0] = "i740"; + } else if (dev->device_id == 0x8108) { + break; /* "hooray" for poulsbo */ + } else { + driverList[0] = "intel"; + } + break; + case 0x102b: driverList[0] = "mga"; break; + case 0x10c8: driverList[0] = "neomagic"; break; + case 0x10de: case 0x12d2: driverList[0] = "nv"; break; + case 0x1106: driverList[0] = "openchrome"; break; + case 0x1b36: driverList[0] = "qxl"; break; + case 0x1163: driverList[0] = "rendition"; break; + case 0x5333: + switch (dev->device_id) + { + case 0x88d0: case 0x88d1: case 0x88f0: case 0x8811: + case 0x8812: case 0x8814: case 0x8901: + driverList[0] = "s3"; break; + case 0x5631: case 0x883d: case 0x8a01: case 0x8a10: + case 0x8c01: case 0x8c03: case 0x8904: case 0x8a13: + driverList[0] = "s3virge"; break; + default: + driverList[0] = "savage"; break; + } + break; + case 0x1039: driverList[0] = "sis"; break; + case 0x126f: driverList[0] = "siliconmotion"; break; + case 0x121a: + if (dev->device_id < 0x0003) + driverList[0] = "voodoo"; + else + driverList[0] = "tdfx"; + break; + case 0x1011: driverList[0] = "tga"; break; + case 0x1023: driverList[0] = "trident"; break; + case 0x100c: driverList[0] = "tseng"; break; + case 0x80ee: driverList[0] = "vboxvideo"; break; + case 0x15ad: driverList[0] = "vmware"; break; + case 0x18ca: + if (dev->device_id == 0x47) + driverList[0] = "xgixp"; + else + driverList[0] = "xgi"; + break; + default: break; + } + for (i = 0; (i < returnListMax) && (driverList[i] != NULL); i++) { + returnList[i] = xnfstrdup(driverList[i]); + } + return i; /* Number of entries added */ +} + +#ifdef __linux__ +static int +xchomp(char *line) +{ + size_t len = 0; + + if (!line) { + return 1; + } + + len = strlen(line); + if (line[len - 1] == '\n' && len > 0) { + line[len - 1] = '\0'; + } + return 0; +} + +/* This function is used to provide a workaround for binary drivers that + * don't export their PCI ID's properly. If distros don't end up using this + * feature it can and should be removed because the symbol-based resolution + * scheme should be the primary one */ +static void +matchDriverFromFiles (char** matches, uint16_t match_vendor, uint16_t match_chip) +{ + DIR *idsdir; + FILE *fp; + struct dirent *direntry; + char *line = NULL; + size_t len; + ssize_t read; + char path_name[256], vendor_str[5], chip_str[5]; + uint16_t vendor, chip; + int i, j; + + idsdir = opendir(PCI_TXT_IDS_PATH); + if (!idsdir) + return; + + xf86Msg(X_INFO, "Scanning %s directory for additional PCI ID's supported by the drivers\n", PCI_TXT_IDS_PATH); + direntry = readdir(idsdir); + /* Read the directory */ + while (direntry) { + if (direntry->d_name[0] == '.') { + direntry = readdir(idsdir); + continue; + } + len = strlen(direntry->d_name); + /* A tiny bit of sanity checking. We should probably do better */ + if (strncmp(&(direntry->d_name[len-4]), ".ids", 4) == 0) { + /* We need the full path name to open the file */ + strncpy(path_name, PCI_TXT_IDS_PATH, 256); + strncat(path_name, "/", 1); + strncat(path_name, direntry->d_name, (256 - strlen(path_name) - 1)); + fp = fopen(path_name, "r"); + if (fp == NULL) { + xf86Msg(X_ERROR, "Could not open %s for reading. Exiting.\n", path_name); + goto end; + } + /* Read the file */ +#ifdef __GLIBC__ + while ((read = getline(&line, &len, fp)) != -1) { +#else + while ((line = fgetln(fp, &len)) != (char *)NULL) { +#endif /* __GLIBC __ */ + xchomp(line); + if (isdigit(line[0])) { + strncpy(vendor_str, line, 4); + vendor_str[4] = '\0'; + vendor = (int)strtol(vendor_str, NULL, 16); + if ((strlen(&line[4])) == 0) { + chip_str[0] = '\0'; + chip = -1; + } else { + /* Handle trailing whitespace */ + if (isspace(line[4])) { + chip_str[0] = '\0'; + chip = -1; + } else { + /* Ok, it's a real ID */ + strncpy(chip_str, &line[4], 4); + chip_str[4] = '\0'; + chip = (int)strtol(chip_str, NULL, 16); + } + } + if (vendor == match_vendor && chip == match_chip ) { + i = 0; + while (matches[i]) { + i++; + } + matches[i] = (char*)malloc(sizeof(char) * strlen(direntry->d_name) - 3); + if (!matches[i]) { + xf86Msg(X_ERROR, "Could not allocate space for the module name. Exiting.\n"); + goto end; + } + /* hack off the .ids suffix. This should guard + * against other problems, but it will end up + * taking off anything after the first '.' */ + for (j = 0; j < (strlen(direntry->d_name) - 3) ; j++) { + if (direntry->d_name[j] == '.') { + matches[i][j] = '\0'; + break; + } else { + matches[i][j] = direntry->d_name[j]; + } + } + xf86Msg(X_INFO, "Matched %s from file name %s\n", matches[i], direntry->d_name); + } + } else { + /* TODO Handle driver overrides here */ + } + } + fclose(fp); + } + direntry = readdir(idsdir); + } + end: + free(line); + closedir(idsdir); +} +#endif /* __linux__ */ + +/** + * @return The numbers of found devices that match with the current system + * drivers. + */ +int +xf86PciMatchDriver(char* matches[], int nmatches) { + int i; + struct pci_device * info = NULL; + struct pci_device_iterator *iter; + + /* Find the primary device, and get some information about it. */ + iter = pci_slot_match_iterator_create(NULL); + while ((info = pci_device_next(iter)) != NULL) { + if (xf86IsPrimaryPci(info)) { + break; + } + } + + pci_iterator_destroy(iter); +#ifdef __linux__ + if (info) + matchDriverFromFiles(matches, info->vendor_id, info->device_id); +#endif + + for (i = 0; (i < nmatches) && (matches[i]); i++) { + /* find end of matches list */ + } + + if ((info != NULL) && (i < nmatches)) { + i += videoPtrToDriverList(info, &(matches[i]), nmatches - i); + } + + return i; +} + +Bool +xf86PciConfigure(void *busData, struct pci_device *pDev) +{ + struct pci_device * pVideo = NULL; + + pVideo = (struct pci_device *) busData; + if (pDev && + (pDev->domain == pVideo->domain) && + (pDev->bus == pVideo->bus) && + (pDev->dev == pVideo->dev) && + (pDev->func == pVideo->func)) + return 0; + + return 1; +} + +void +xf86PciConfigureNewDev(void *busData, struct pci_device *pVideo, + GDevRec *GDev, int *chipset) +{ + char busnum[8]; + + pVideo = (struct pci_device *) busData; + + xf86FormatPciBusNumber(pVideo->bus, busnum); + XNFasprintf(&GDev->busID, "PCI:%s:%d:%d", + busnum, pVideo->dev, pVideo->func); + + GDev->chipID = pVideo->device_id; + GDev->chipRev = pVideo->revision; + + if (*chipset < 0) + *chipset = (pVideo->vendor_id << 16) | pVideo->device_id; +} + +struct pci_io_handle * +xf86MapLegacyIO(struct pci_device *dev) +{ + return pci_legacy_open_io(dev, 0, 64 * 1024); +} + +void +xf86UnmapLegacyIO(struct pci_device *dev, struct pci_io_handle *handle) +{ + pci_device_close_io(dev, handle); +} -- cgit v1.2.3