drivers/zorro/names.c

   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 }