1/*
2 *	PCI Class and Device Name Tables
3 *
4 *	Copyright 1993--1999 Drew Eckhardt, Frederic Potter,
5 *	David Mosberger-Tang, Martin Mares
6 */
7
8#include <linux/config.h>
9#include <linux/types.h>
10#include <linux/kernel.h>
11#include <linux/pci.h>
12#include <linux/init.h>
13
14#ifdef CONFIG_PCI_NAMES
15
16struct pci_device_info {
17	unsigned short device;
18	unsigned short seen;
19	const char *name;
20};
21
22struct pci_vendor_info {
23	unsigned short vendor;
24	unsigned short nr;
25	const char *name;
26	struct pci_device_info *devices;
27};
28
29/*
30 * This is ridiculous, but we want the strings in
31 * the .init section so that they don't take up
32 * real memory.. Parse the same file multiple times
33 * to get all the info.
34 */
35#define VENDOR( vendor, name )		static char __vendorstr_##vendor[] __devinitdata = name;
36#define ENDVENDOR()
37#define DEVICE( vendor, device, name ) 	static char __devicestr_##vendor##device[] __devinitdata = name;
38#include "devlist.h"
39
40
41#define VENDOR( vendor, name )		static struct pci_device_info __devices_##vendor[] __devinitdata = {
42#define ENDVENDOR()			};
43#define DEVICE( vendor, device, name )	{ 0x##device, 0, __devicestr_##vendor##device },
44#include "devlist.h"
45
46static struct pci_vendor_info __devinitdata pci_vendor_list[] = {
47#define VENDOR( vendor, name )		{ 0x##vendor, sizeof(__devices_##vendor) / sizeof(struct pci_device_info), __vendorstr_##vendor, __devices_##vendor },
48#define ENDVENDOR()
49#define DEVICE( vendor, device, name )
50#include "devlist.h"
51};
52
53#define VENDORS (sizeof(pci_vendor_list)/sizeof(struct pci_vendor_info))
54
55void __devinit pci_name_device(struct pci_dev *dev)
56{
57	const struct pci_vendor_info *vendor_p = pci_vendor_list;
58	int i = VENDORS;
59	char *name = dev->name;
60
61	do {
62		if (vendor_p->vendor == dev->vendor)
63			goto match_vendor;
64		vendor_p++;
65	} while (--i);
66
67	/* Couldn't find either the vendor nor the device */
68	sprintf(name, "PCI device %04x:%04x", dev->vendor, dev->device);
69	return;
70
71	match_vendor: {
72		struct pci_device_info *device_p = vendor_p->devices;
73		int i = vendor_p->nr;
74
75		while (i > 0) {
76			if (device_p->device == dev->device)
77				goto match_device;
78			device_p++;
79			i--;
80		}
81
82		/* Ok, found the vendor, but unknown device */
83		sprintf(name, "PCI device %04x:%04x (%s)", dev->vendor, dev->device, vendor_p->name);
84		return;
85
86		/* Full match */
87		match_device: {
88			char *n = name + sprintf(name, "%s %s", vendor_p->name, device_p->name);
89			int nr = device_p->seen + 1;
90			device_p->seen = nr;
91			if (nr > 1)
92				sprintf(n, " (#%d)", nr);
93		}
94	}
95}
96
97/*
98 *  Class names. Not in .init section as they are needed in runtime.
99 */
100
101static u16 pci_class_numbers[] = {
102#define CLASS(x,y) 0x##x,
103#include "classlist.h"
104};
105
106static char *pci_class_names[] = {
107#define CLASS(x,y) y,
108#include "classlist.h"
109};
110
111char *
112pci_class_name(u32 class)
113{
114	int i;
115
116	for(i=0; i<sizeof(pci_class_numbers)/sizeof(pci_class_numbers[0]); i++)
117		if (pci_class_numbers[i] == class)
118			return pci_class_names[i];
119	return NULL;
120}
121
122#else
123
124void __devinit pci_name_device(struct pci_dev *dev)
125{
126}
127
128char *
129pci_class_name(u32 class)
130{
131	return NULL;
132}
133
134#endif /* CONFIG_PCI_NAMES */
135
136