xref: /openbmc/linux/drivers/zorro/names.c (revision 2cf1c348)
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 
19 struct zorro_prod_info {
20 	__u16 prod;
21 	unsigned short seen;
22 	const char *name;
23 };
24 
25 struct zorro_manuf_info {
26 	__u16 manuf;
27 	unsigned short nr;
28 	const char *name;
29 	struct zorro_prod_info *prods;
30 };
31 
32 /*
33  * This is ridiculous, but we want the strings in
34  * the .init section so that they don't take up
35  * real memory.. Parse the same file multiple times
36  * to get all the info.
37  */
38 #define MANUF( manuf, name )		static char __manufstr_##manuf[] __initdata = name;
39 #define ENDMANUF()
40 #define PRODUCT( manuf, prod, name ) 	static char __prodstr_##manuf##prod[] __initdata = name;
41 #include "devlist.h"
42 
43 
44 #define MANUF( manuf, name )		static struct zorro_prod_info __prods_##manuf[] __initdata = {
45 #define ENDMANUF()			};
46 #define PRODUCT( manuf, prod, name )	{ 0x##prod, 0, __prodstr_##manuf##prod },
47 #include "devlist.h"
48 
49 static struct zorro_manuf_info __initdata zorro_manuf_list[] = {
50 #define MANUF( manuf, name )		{ 0x##manuf, ARRAY_SIZE(__prods_##manuf), __manufstr_##manuf, __prods_##manuf },
51 #define ENDMANUF()
52 #define PRODUCT( manuf, prod, name )
53 #include "devlist.h"
54 };
55 
56 #define MANUFS ARRAY_SIZE(zorro_manuf_list)
57 
58 void __init zorro_name_device(struct zorro_dev *dev)
59 {
60 	const struct zorro_manuf_info *manuf_p = zorro_manuf_list;
61 	int i = MANUFS;
62 	char *name = dev->name;
63 
64 	do {
65 		if (manuf_p->manuf == ZORRO_MANUF(dev->id))
66 			goto match_manuf;
67 		manuf_p++;
68 	} while (--i);
69 
70 	/* Couldn't find either the manufacturer nor the product */
71 	return;
72 
73 	match_manuf: {
74 		struct zorro_prod_info *prod_p = manuf_p->prods;
75 		int i = manuf_p->nr;
76 
77 		while (i > 0) {
78 			if (prod_p->prod ==
79 			    ((ZORRO_PROD(dev->id)<<8) | ZORRO_EPC(dev->id)))
80 				goto match_prod;
81 			prod_p++;
82 			i--;
83 		}
84 
85 		/* Ok, found the manufacturer, but unknown product */
86 		sprintf(name, "Zorro device %08x (%s)", dev->id, manuf_p->name);
87 		return;
88 
89 		/* Full match */
90 		match_prod: {
91 			char *n = name + sprintf(name, "%s %s", manuf_p->name, prod_p->name);
92 			int nr = prod_p->seen + 1;
93 			prod_p->seen = nr;
94 			if (nr > 1)
95 				sprintf(n, " (#%d)", nr);
96 		}
97 	}
98 }
99