sys/dev/sound/pcm/dsp.h

   1 /*-
   2  * Copyright (c) 2005-2009 Ariff Abdullah <ariff@FreeBSD.org>
   3  * Portions Copyright (c) Ryan Beasley <ryan.beasley@gmail.com> - GSoC 2006
   4  * Copyright (c) 1999 Cameron Grant <cg@FreeBSD.org>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER 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  * $FreeBSD: head/sys/dev/sound/pcm/dsp.h 193640 2009-06-07 19:12:08Z ariff $
  29  */
  30
  31 #ifndef _PCMDSP_H_
  32 #define _PCMDSP_H_
  33
  34 #include <sys/device.h>
  35
  36 extern struct dev_ops dsp_ops;
  37 extern struct dev_ops mixer_ops;
  38 extern d_clone_t dsp_clone;
  39 extern d_clone_t mixer_clone;
  40
  41 struct dsp_cdevinfo;
  42
  43 char *dsp_unit2name(char *, size_t, int);
  44 int dsp_oss_audioinfo(struct cdev *, oss_audioinfo *);
  45
  46 void dsp_cdevinfo_init(struct snddev_info *);
  47 void dsp_cdevinfo_flush(struct snddev_info *);
  48
  49 #endif /* !_PCMDSP_H_ */