Viewing file:  adlib_card.c (1.36 KB) -rw-r--r--
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/*
* sound/adlib_card.c
*
* Detection routine for the AdLib card.
*
* Copyright (C) by Hannu Savolainen 1993-1997
*
* OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
* Version 2 (June 1991). See the "COPYING" file distributed with this software
* for more info.
*/
#include <linux/module.h>
#include <linux/init.h>
#include "sound_config.h"
#include "opl3.h"
static void __init attach_adlib_card(struct address_info *hw_config)
{
hw_config->slots[0] = opl3_init(hw_config->io_base, hw_config->osp, THIS_MODULE);
}
static int __init probe_adlib(struct address_info *hw_config)
{
return opl3_detect(hw_config->io_base, hw_config->osp);
}
static struct address_info cfg;
static int __initdata io = -1;
MODULE_PARM(io, "i");
static int __init init_adlib(void)
{
cfg.io_base = io;
if (cfg.io_base == -1) {
printk(KERN_ERR "adlib: must specify I/O address.\n");
return -EINVAL;
}
if (probe_adlib(&cfg) == 0)
return -ENODEV;
attach_adlib_card(&cfg);
return 0;
}
static void __exit cleanup_adlib(void)
{
sound_unload_synthdev(cfg.slots[0]);
}
module_init(init_adlib);
module_exit(cleanup_adlib);
#ifndef MODULE
static int __init setup_adlib(char *str)
{
/* io */
int ints[2];
str = get_options(str, ARRAY_SIZE(ints), ints);
io = ints[1];
return 1;
}
__setup("adlib=", setup_adlib);
#endif
MODULE_LICENSE("GPL");
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