aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/common/xf86pciBus.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86pciBus.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86pciBus.c846
1 files changed, 423 insertions, 423 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86pciBus.c b/xorg-server/hw/xfree86/common/xf86pciBus.c
index ac018e739..b3164730c 100644
--- a/xorg-server/hw/xfree86/common/xf86pciBus.c
+++ b/xorg-server/hw/xfree86/common/xf86pciBus.c
@@ -1,423 +1,423 @@
-/*
- * 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 <xorg-config.h>
-#endif
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <X11/X.h>
-#include <pciaccess.h>
-#include "os.h"
-#include "Pci.h"
-#include "xf86.h"
-#include "xf86Priv.h"
-
-/* 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)))
-
-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 *vendorname = NULL, *chipname = NULL;
- const char *prim = " ";
- Bool memdone = FALSE, iodone = FALSE;
-
-
- info = xf86PciVideoInfo[k];
-
- vendorname = pci_device_get_vendor_name( info );
- chipname = pci_device_get_device_name( info );
-
- if ((!vendorname || !chipname) &&
- !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);
-
- if (vendorname)
- xf86ErrorF("%s ", vendorname);
-
- if (chipname)
- xf86ErrorF("%s ", chipname);
-
- 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");
- }
- xfree(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) {
- xfree(s);
- return FALSE;
- }
- d = strpbrk(p, "@");
- if (d != NULL) {
- *(d++) = 0;
- for (i = 0; d[i] != 0; i++) {
- if (!isdigit(d[i])) {
- xfree(s);
- return FALSE;
- }
- }
- }
- for (i = 0; p[i] != 0; i++) {
- if (!isdigit(p[i])) {
- xfree(s);
- return FALSE;
- }
- }
- *bus = atoi(p);
- if (d != NULL && *d != 0)
- *bus += atoi(d) << 8;
- p = strtok(NULL, ":");
- if (p == NULL || *p == 0) {
- xfree(s);
- return FALSE;
- }
- for (i = 0; p[i] != 0; i++) {
- if (!isdigit(p[i])) {
- xfree(s);
- return FALSE;
- }
- }
- *device = atoi(p);
- *func = 0;
- p = strtok(NULL, ":");
- if (p == NULL || *p == 0) {
- xfree(s);
- return TRUE;
- }
- for (i = 0; p[i] != 0; i++) {
- if (!isdigit(p[i])) {
- xfree(s);
- return FALSE;
- }
- }
- *func = atoi(p);
- xfree(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;
-}
-
-
+/*
+ * 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 <xorg-config.h>
+#endif
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <X11/X.h>
+#include <pciaccess.h>
+#include "os.h"
+#include "Pci.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+
+/* 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)))
+
+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 *vendorname = NULL, *chipname = NULL;
+ const char *prim = " ";
+ Bool memdone = FALSE, iodone = FALSE;
+
+
+ info = xf86PciVideoInfo[k];
+
+ vendorname = pci_device_get_vendor_name( info );
+ chipname = pci_device_get_device_name( info );
+
+ if ((!vendorname || !chipname) &&
+ !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);
+
+ if (vendorname)
+ xf86ErrorF("%s ", vendorname);
+
+ if (chipname)
+ xf86ErrorF("%s ", chipname);
+
+ 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;
+}
+
+