1 files changed, 137 insertions, 0 deletions

diff --git a/drivers/pci/names.c b/drivers/pci/names.c
new file mode 100644
index 000000000000..ad224aada7c9
--- /dev/null
+++ b/drivers/pci/names.c
@@ -0,0 +1,137 @@
+/*
+ *      PCI Class and Device Name Tables
+ *
+ *      Copyright 1993--1999 Drew Eckhardt, Frederic Potter,
+ *      David Mosberger-Tang, Martin Mares
+ */
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+
+#ifdef CONFIG_PCI_NAMES
+
+struct pci_device_info {
+        unsigned short device;
+        unsigned short seen;
+        const char *name;
+};
+
+struct pci_vendor_info {
+        unsigned short vendor;
+        unsigned short nr;
+        const char *name;
+        struct pci_device_info *devices;
+};
+
+/*
+ * This is ridiculous, but we want the strings in
+ * the .init section so that they don't take up
+ * real memory.. Parse the same file multiple times
+ * to get all the info.
+ */
+#define VENDOR( vendor, name )          static char __vendorstr_##vendor[] __devinitdata = name;
+#define ENDVENDOR()
+#define DEVICE( vendor, device, name )  static char __devicestr_##vendor##device[] __devinitdata = name;
+#include "devlist.h"
+
+
+#define VENDOR( vendor, name )          static struct pci_device_info __devices_##vendor[] __devinitdata = {
+#define ENDVENDOR()                     };
+#define DEVICE( vendor, device, name )  { 0x##device, 0, __devicestr_##vendor##device },
+#include "devlist.h"
+
+static struct pci_vendor_info __devinitdata pci_vendor_list[] = {
+#define VENDOR( vendor, name )          { 0x##vendor, sizeof(__devices_##vendor) / sizeof(struct pci_device_info), __vendorstr_##vendor, __devices_##vendor },
+#define ENDVENDOR()
+#define DEVICE( vendor, device, name )
+#include "devlist.h"
+};
+
+#define VENDORS (sizeof(pci_vendor_list)/sizeof(struct pci_vendor_info))
+
+void __devinit pci_name_device(struct pci_dev *dev)
+{
+        const struct pci_vendor_info *vendor_p = pci_vendor_list;
+        int i = VENDORS;
+        char *name = dev->pretty_name;
+
+        do {
+                if (vendor_p->vendor == dev->vendor)
+                        goto match_vendor;
+                vendor_p++;
+        } while (--i);
+
+        /* Couldn't find either the vendor nor the device */
+        sprintf(name, "PCI device %04x:%04x", dev->vendor, dev->device);
+        return;
+
+        match_vendor: {
+                struct pci_device_info *device_p = vendor_p->devices;
+                int i = vendor_p->nr;
+
+                while (i > 0) {
+                        if (device_p->device == dev->device)
+                                goto match_device;
+                        device_p++;
+                        i--;
+                }
+
+                /* Ok, found the vendor, but unknown device */
+                sprintf(name, "PCI device %04x:%04x (%." PCI_NAME_HALF "s)",
+                                dev->vendor, dev->device, vendor_p->name);
+                return;
+
+                /* Full match */
+                match_device: {
+                        char *n = name + sprintf(name, "%s %s",
+                                        vendor_p->name, device_p->name);
+                        int nr = device_p->seen + 1;
+                        device_p->seen = nr;
+                        if (nr > 1)
+                                sprintf(n, " (#%d)", nr);
+                }
+        }
+}
+
+/*
+ *  Class names. Not in .init section as they are needed in runtime.
+ */
+
+static u16 pci_class_numbers[] = {
+#define CLASS(x,y) 0x##x,
+#include "classlist.h"
+};
+
+static char *pci_class_names[] = {
+#define CLASS(x,y) y,
+#include "classlist.h"
+};
+
+char *
+pci_class_name(u32 class)
+{
+        int i;
+
+        for(i=0; i<sizeof(pci_class_numbers)/sizeof(pci_class_numbers[0]); i++)
+                if (pci_class_numbers[i] == class)
+                        return pci_class_names[i];
+        return NULL;
+}
+
+#else
+
+void __devinit pci_name_device(struct pci_dev *dev)
+{
+}
+
+char *
+pci_class_name(u32 class)
+{
+        return NULL;
+}
+
+#endif /* CONFIG_PCI_NAMES */
+