1 /*
2 * sound/sb_card.c
3 *
4 * Detection routine for the SoundBlaster cards.
5 *
6 * Copyright by Hannu Savolainen 1993
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met: 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer. 2.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * Modified:
29 * Riccardo Facchetti 24 Mar 1995
30 * - Added the Audio Excel DSP 16 initialization routine.
31 */
32
33 #include "sound_config.h"
34
35 #if defined(CONFIG_SB)
36
37 #include "sb.h"
38
39 long
40 attach_sb_card (long mem_start, struct address_info *hw_config)
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*/
41 {
42 #if defined(CONFIG_AUDIO) || defined(CONFIG_MIDI)
43 if (!sb_dsp_detect (hw_config))
44 return mem_start;
45 mem_start = sb_dsp_init (mem_start, hw_config);
46 request_region (hw_config->io_base, 16, "SoundBlaster");
47 #endif
48
49 return mem_start;
50 }
51
52 int
53 probe_sb (struct address_info *hw_config)
/* ![[previous]](../icons/left.png)
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*/
54 {
55 if (check_region (hw_config->io_base, 16))
56 {
57 printk ("\n\nsb_dsp.c: I/O port %x already in use\n\n",
58 hw_config->io_base);
59 return 0;
60 }
61
62 #if defined(CONFIG_AEDSP16) && defined(AEDSP16_SBPRO)
63 /*
64 * Initialize Audio Excel DSP 16 to SBPRO.
65 */
66 InitAEDSP16_SBPRO (hw_config);
67 #endif
68 return sb_dsp_detect (hw_config);
69 }
70
71 void
72 unload_sb (struct address_info *hw_config)
/* ![[previous]](../icons/left.png)
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*/
73 {
74 release_region (hw_config->io_base, 16);
75 sb_dsp_unload ();
76 }
77
78 #endif