drivers/sound/sb

/* */
This source file includes following definitions.
attach_sb_card
probe_sb
unload_sb
   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(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_SB)
  36 
  37 long
  38 attach_sb_card (long mem_start, struct address_info *hw_config)
     /*  */
  39 {
  40 #if !defined(EXCLUDE_AUDIO) || !defined(EXCLUDE_MIDI)
  41   if (!sb_dsp_detect (hw_config))
  42     return mem_start;
  43   mem_start = sb_dsp_init (mem_start, hw_config);
  44   request_region (hw_config->io_base, 16, "SB");
  45 #endif
  46 
  47   return mem_start;
  48 }
  49 
  50 int
  51 probe_sb (struct address_info *hw_config)
     /*  */
  52 {
  53   if (check_region (hw_config->io_base, 16))
  54     {
  55       printk ("\n\nsb_dsp.c: I/O port %x already in use\n\n",
  56               hw_config->io_base);
  57       return 0;
  58     }
  59 
  60 #if !defined(EXCLUDE_AEDSP16) && defined(AEDSP16_SBPRO)
  61   /*
  62      * Initialize Audio Excel DSP 16 to SBPRO.
  63    */
  64   InitAEDSP16_SBPRO (hw_config);
  65 #endif
  66   return sb_dsp_detect (hw_config);
  67 }
  68 
  69 void
  70 unload_sb (struct address_info *hw_config)
     /*  */
  71 {
  72   release_region (hw_config->io_base, 16);
  73   sb_dsp_unload ();
  74 }
  75 
  76 #endif
/* */
root/drivers/sound/sb_card.c

DEFINITIONS
