drivers/zorro/names.c

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