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 #include "zorro.h"
  19
  20 struct zorro_prod_info {
  21         __u16 prod;
  22         unsigned short seen;
  23         const char *name;
  24 };
  25
  26 struct 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
  50 static 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
  59 void __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 }