xref: /kernel/linux/linux-6.6/drivers/zorro/names.c (revision 62306a36)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 *	Zorro Device Name Tables
4 *
5 *	Copyright (C) 1999--2000 Geert Uytterhoeven
6 *
7 *	Based on the PCI version:
8 *
9 *	Copyright 1992--1999 Drew Eckhardt, Frederic Potter,
10 *	David Mosberger-Tang, Martin Mares
11 */
12
13#include <linux/init.h>
14#include <linux/kernel.h>
15#include <linux/types.h>
16#include <linux/zorro.h>
17
18#include "zorro.h"
19
20struct zorro_prod_info {
21	__u16 prod;
22	unsigned short seen;
23	const char *name;
24};
25
26struct zorro_manuf_info {
27	__u16 manuf;
28	unsigned short nr;
29	const char *name;
30	struct zorro_prod_info *prods;
31};
32
33/*
34 * This is ridiculous, but we want the strings in
35 * the .init section so that they don't take up
36 * real memory.. Parse the same file multiple times
37 * to get all the info.
38 */
39#define MANUF( manuf, name )		static char __manufstr_##manuf[] __initdata = name;
40#define ENDMANUF()
41#define PRODUCT( manuf, prod, name ) 	static char __prodstr_##manuf##prod[] __initdata = name;
42#include "devlist.h"
43
44
45#define MANUF( manuf, name )		static struct zorro_prod_info __prods_##manuf[] __initdata = {
46#define ENDMANUF()			};
47#define PRODUCT( manuf, prod, name )	{ 0x##prod, 0, __prodstr_##manuf##prod },
48#include "devlist.h"
49
50static struct zorro_manuf_info __initdata zorro_manuf_list[] = {
51#define MANUF( manuf, name )		{ 0x##manuf, ARRAY_SIZE(__prods_##manuf), __manufstr_##manuf, __prods_##manuf },
52#define ENDMANUF()
53#define PRODUCT( manuf, prod, name )
54#include "devlist.h"
55};
56
57#define MANUFS ARRAY_SIZE(zorro_manuf_list)
58
59void __init zorro_name_device(struct zorro_dev *dev)
60{
61	const struct zorro_manuf_info *manuf_p = zorro_manuf_list;
62	int i = MANUFS;
63	char *name = dev->name;
64
65	do {
66		if (manuf_p->manuf == ZORRO_MANUF(dev->id))
67			goto match_manuf;
68		manuf_p++;
69	} while (--i);
70
71	/* Couldn't find either the manufacturer nor the product */
72	return;
73
74	match_manuf: {
75		struct zorro_prod_info *prod_p = manuf_p->prods;
76		int i = manuf_p->nr;
77
78		while (i > 0) {
79			if (prod_p->prod ==
80			    ((ZORRO_PROD(dev->id)<<8) | ZORRO_EPC(dev->id)))
81				goto match_prod;
82			prod_p++;
83			i--;
84		}
85
86		/* Ok, found the manufacturer, but unknown product */
87		sprintf(name, "Zorro device %08x (%s)", dev->id, manuf_p->name);
88		return;
89
90		/* Full match */
91		match_prod: {
92			char *n = name + sprintf(name, "%s %s", manuf_p->name, prod_p->name);
93			int nr = prod_p->seen + 1;
94			prod_p->seen = nr;
95			if (nr > 1)
96				sprintf(n, " (#%d)", nr);
97		}
98	}
99}
100