root/drivers/sound/sb_card.c

/* */

DEFINITIONS

1. attach_sb_card
2. probe_sb
3. unload_sb

   1 /*
   2  * sound/sb_card.c
   3  *
   4  * Detection routine for the SoundBlaster cards.
   5  */
   6 /*
   7  * Copyright by Hannu Savolainen 1993-1996
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions are
  11  * met: 1. Redistributions of source code must retain the above copyright
  12  * notice, this list of conditions and the following disclaimer. 2.
  13  * Redistributions in binary form must reproduce the above copyright notice,
  14  * this list of conditions and the following disclaimer in the documentation
  15  * and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 #include <linux/config.h>
  30 
  31 
  32 #include "sound_config.h"
  33 
  34 #if defined(CONFIG_SB)
  35 
  36 #include "sb.h"
  37 
  38 long
  39 attach_sb_card (long mem_start, struct address_info *hw_config)
     /*  */
  40 {
  41 #if defined(CONFIG_AUDIO) || defined(CONFIG_MIDI)
  42   if (!sb_dsp_detect (hw_config))
  43     return mem_start;
  44   mem_start = sb_dsp_init (mem_start, hw_config);
  45   request_region (hw_config->io_base, 16, "SoundBlaster");
  46 #endif
  47 
  48   return mem_start;
  49 }
  50 
  51 int
  52 probe_sb (struct address_info *hw_config)
     /*  */
  53 {
  54   if (check_region (hw_config->io_base, 16))
  55     {
  56       printk ("\n\nsb_dsp.c: I/O port %x already in use\n\n",
  57               hw_config->io_base);
  58       return 0;
  59     }
  60 
  61   return sb_dsp_detect (hw_config);
  62 }
  63 
  64 void
  65 unload_sb (struct address_info *hw_config)
     /*  */
  66 {
  67   release_region (hw_config->io_base, 16);
  68   sb_dsp_unload (hw_config);
  69 }
  70 
  71 #endif

/* */