Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Uwe Zeisberger | f30c226 | 2006-10-03 23:01:26 +0200 | [diff] [blame^] | 2 | * sound/oss/adlib_card.c |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 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 | |
| 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_param(io, int, 0); |
| 35 | |
| 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 | |
| 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 |
| 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"); |