1 /*
2  * sound/adlib_card.c
3  *
4  * Detection routine for the AdLib card.
5  *
6  * Copyright (C) by Hannu Savolainen 1993-1997
7  *
8  * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
9  * Version 2 (June 1991). See the "COPYING" file distributed with this software
10  * for more info.
11  */
12 
13 #include <linux/module.h>
14 #include <linux/init.h>
15 
16 #include "sound_config.h"
17 
18 #include "opl3.h"
19 
attach_adlib_card(struct address_info * hw_config)20 static void __init attach_adlib_card(struct address_info *hw_config)
21 {
22 	hw_config->slots[0] = opl3_init(hw_config->io_base, hw_config->osp, THIS_MODULE);
23 }
24 
probe_adlib(struct address_info * hw_config)25 static int __init probe_adlib(struct address_info *hw_config)
26 {
27 	return opl3_detect(hw_config->io_base, hw_config->osp);
28 }
29 
30 static struct address_info cfg;
31 
32 static int __initdata io = -1;
33 
34 MODULE_PARM(io, "i");
35 
init_adlib(void)36 static int __init init_adlib(void)
37 {
38 	cfg.io_base = io;
39 
40 	if (cfg.io_base == -1) {
41 		printk(KERN_ERR "adlib: must specify I/O address.\n");
42 		return -EINVAL;
43 	}
44 	if (probe_adlib(&cfg) == 0)
45 		return -ENODEV;
46 	attach_adlib_card(&cfg);
47 
48 	return 0;
49 }
50 
cleanup_adlib(void)51 static void __exit cleanup_adlib(void)
52 {
53 	sound_unload_synthdev(cfg.slots[0]);
54 
55 }
56 
57 module_init(init_adlib);
58 module_exit(cleanup_adlib);
59 
60 #ifndef MODULE
setup_adlib(char * str)61 static int __init setup_adlib(char *str)
62 {
63         /* io */
64 	int ints[2];
65 	str = get_options(str, ARRAY_SIZE(ints), ints);
66 
67 	io = ints[1];
68 
69 	return 1;
70 }
71 __setup("adlib=", setup_adlib);
72 #endif
73 MODULE_LICENSE("GPL");
74