WSL2-Linux-Kernel/drivers/zorro/names.c

110 строки
2.5 KiB
C
Исходник Обычный вид История

/*
* Zorro Device Name Tables
*
* Copyright (C) 1999--2000 Geert Uytterhoeven
*
* Based on the PCI version:
*
* Copyright 1992--1999 Drew Eckhardt, Frederic Potter,
* David Mosberger-Tang, Martin Mares
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/zorro.h>
#ifdef CONFIG_ZORRO_NAMES
struct zorro_prod_info {
__u16 prod;
unsigned short seen;
const char *name;
};
struct zorro_manuf_info {
__u16 manuf;
unsigned short nr;
const char *name;
struct zorro_prod_info *prods;
};
/*
* This is ridiculous, but we want the strings in
* the .init section so that they don't take up
* real memory.. Parse the same file multiple times
* to get all the info.
*/
#define MANUF( manuf, name ) static char __manufstr_##manuf[] __initdata = name;
#define ENDMANUF()
#define PRODUCT( manuf, prod, name ) static char __prodstr_##manuf##prod[] __initdata = name;
#include "devlist.h"
#define MANUF( manuf, name ) static struct zorro_prod_info __prods_##manuf[] __initdata = {
#define ENDMANUF() };
#define PRODUCT( manuf, prod, name ) { 0x##prod, 0, __prodstr_##manuf##prod },
#include "devlist.h"
static struct zorro_manuf_info __initdata zorro_manuf_list[] = {
#define MANUF( manuf, name ) { 0x##manuf, sizeof(__prods_##manuf) / sizeof(struct zorro_prod_info), __manufstr_##manuf, __prods_##manuf },
#define ENDMANUF()
#define PRODUCT( manuf, prod, name )
#include "devlist.h"
};
#define MANUFS (sizeof(zorro_manuf_list)/sizeof(struct zorro_manuf_info))
void __init zorro_name_device(struct zorro_dev *dev)
{
const struct zorro_manuf_info *manuf_p = zorro_manuf_list;
int i = MANUFS;
char *name = dev->name;
do {
if (manuf_p->manuf == ZORRO_MANUF(dev->id))
goto match_manuf;
manuf_p++;
} while (--i);
/* Couldn't find either the manufacturer nor the product */
sprintf(name, "Zorro device %08x", dev->id);
return;
match_manuf: {
struct zorro_prod_info *prod_p = manuf_p->prods;
int i = manuf_p->nr;
while (i > 0) {
if (prod_p->prod ==
((ZORRO_PROD(dev->id)<<8) | ZORRO_EPC(dev->id)))
goto match_prod;
prod_p++;
i--;
}
/* Ok, found the manufacturer, but unknown product */
sprintf(name, "Zorro device %08x (%s)", dev->id, manuf_p->name);
return;
/* Full match */
match_prod: {
char *n = name + sprintf(name, "%s %s", manuf_p->name, prod_p->name);
int nr = prod_p->seen + 1;
prod_p->seen = nr;
if (nr > 1)
sprintf(n, " (#%d)", nr);
}
}
}
#else
void __init zorro_name_device(struct zorro_dev *dev)
{
}
#endif