1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
137 lines
3.1 KiB
C
137 lines
3.1 KiB
C
/*
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* PCI Class and Device Name Tables
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*
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* Copyright 1993--1999 Drew Eckhardt, Frederic Potter,
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* David Mosberger-Tang, Martin Mares
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*/
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#include <linux/config.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/init.h>
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#ifdef CONFIG_PCI_NAMES
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struct pci_device_info {
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unsigned short device;
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unsigned short seen;
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const char *name;
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};
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struct pci_vendor_info {
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unsigned short vendor;
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unsigned short nr;
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const char *name;
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struct pci_device_info *devices;
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};
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/*
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* This is ridiculous, but we want the strings in
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* the .init section so that they don't take up
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* real memory.. Parse the same file multiple times
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* to get all the info.
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*/
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#define VENDOR( vendor, name ) static char __vendorstr_##vendor[] __devinitdata = name;
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#define ENDVENDOR()
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#define DEVICE( vendor, device, name ) static char __devicestr_##vendor##device[] __devinitdata = name;
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#include "devlist.h"
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#define VENDOR( vendor, name ) static struct pci_device_info __devices_##vendor[] __devinitdata = {
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#define ENDVENDOR() };
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#define DEVICE( vendor, device, name ) { 0x##device, 0, __devicestr_##vendor##device },
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#include "devlist.h"
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static struct pci_vendor_info __devinitdata pci_vendor_list[] = {
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#define VENDOR( vendor, name ) { 0x##vendor, sizeof(__devices_##vendor) / sizeof(struct pci_device_info), __vendorstr_##vendor, __devices_##vendor },
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#define ENDVENDOR()
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#define DEVICE( vendor, device, name )
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#include "devlist.h"
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};
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#define VENDORS (sizeof(pci_vendor_list)/sizeof(struct pci_vendor_info))
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void __devinit pci_name_device(struct pci_dev *dev)
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{
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const struct pci_vendor_info *vendor_p = pci_vendor_list;
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int i = VENDORS;
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char *name = dev->pretty_name;
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do {
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if (vendor_p->vendor == dev->vendor)
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goto match_vendor;
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vendor_p++;
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} while (--i);
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/* Couldn't find either the vendor nor the device */
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sprintf(name, "PCI device %04x:%04x", dev->vendor, dev->device);
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return;
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match_vendor: {
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struct pci_device_info *device_p = vendor_p->devices;
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int i = vendor_p->nr;
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while (i > 0) {
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if (device_p->device == dev->device)
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goto match_device;
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device_p++;
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i--;
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}
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/* Ok, found the vendor, but unknown device */
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sprintf(name, "PCI device %04x:%04x (%." PCI_NAME_HALF "s)",
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dev->vendor, dev->device, vendor_p->name);
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return;
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/* Full match */
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match_device: {
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char *n = name + sprintf(name, "%s %s",
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vendor_p->name, device_p->name);
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int nr = device_p->seen + 1;
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device_p->seen = nr;
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if (nr > 1)
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sprintf(n, " (#%d)", nr);
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}
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}
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}
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/*
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* Class names. Not in .init section as they are needed in runtime.
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*/
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static u16 pci_class_numbers[] = {
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#define CLASS(x,y) 0x##x,
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#include "classlist.h"
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};
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static char *pci_class_names[] = {
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#define CLASS(x,y) y,
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#include "classlist.h"
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};
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char *
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pci_class_name(u32 class)
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{
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int i;
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for(i=0; i<sizeof(pci_class_numbers)/sizeof(pci_class_numbers[0]); i++)
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if (pci_class_numbers[i] == class)
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return pci_class_names[i];
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return NULL;
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}
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#else
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void __devinit pci_name_device(struct pci_dev *dev)
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{
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}
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char *
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pci_class_name(u32 class)
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{
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return NULL;
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}
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#endif /* CONFIG_PCI_NAMES */
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