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