adlib_card.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * 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");