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/*
 *      PCI Class and Device Name Tables
 *
 *      Copyright 1993--1999 Drew Eckhardt, Frederic Potter,
 *      David Mosberger-Tang, Martin Mares
 */

#include <linuxcomp.h>

#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, "%." PCI_NAME_HALF
                                        "s %." PCI_NAME_HALF "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 */