root/dev/pci/bktr/bktr_audio.h

INCLUDED FROM

    1 /*      $OpenBSD: bktr_audio.h,v 1.2 2004/03/19 09:14:15 mickey Exp $   */
    2 /* $FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.2 1999/10/28 13:58:14 roger Exp $ */
    4 /*
    5  * This is part of the Driver for Video Capture Cards (Frame grabbers)
    6  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
    7  * chipset.
    8  * Copyright Roger Hardiman and Amancio Hasty.
    9  *
   10  * bktr_audio : This deals with controlling the audio on TV cards,
   11  *                controlling the Audio Multiplexer (audio source selector).
   12  *                controlling any MSP34xx stereo audio decoders.
   13  *                controlling any DPL35xx dolby surround sound audio decoders.
   14  *                initialising TDA98xx audio devices.
   15  *
   16  */
   18 /*
   19  * 1. Redistributions of source code must retain the
   20  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
   21  * All rights reserved.
   22  *
   23  * Redistribution and use in source and binary forms, with or without
   24  * modification, are permitted provided that the following conditions
   25  * are met:
   26  * 1. Redistributions of source code must retain the above copyright
   27  *    notice, this list of conditions and the following disclaimer.
   28  * 2. Redistributions in binary form must reproduce the above copyright
   29  *    notice, this list of conditions and the following disclaimer in the
   30  *    documentation and/or other materials provided with the distribution.
   31  * 3. All advertising materials mentioning features or use of this software
   32  *    must display the following acknowledgement:
   33  *      This product includes software developed by Amancio Hasty and
   34  *      Roger Hardiman
   35  * 4. The name of the author may not be used to endorse or promote products
   36  *    derived from this software without specific prior written permission.
   37  *
   38  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   39  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   40  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   41  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   42  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   43  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   44  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   45  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   46  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   47  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   48  * POSSIBILITY OF SUCH DAMAGE.
   49  */
   51 /*
   52  * Select Audio source, and allow muting
   53  */
   54 int     set_audio( bktr_ptr_t bktr, int mode );
   55 void    temp_mute( bktr_ptr_t bktr, int flag );
   58 /*
   59  * Initialise any MSP or TDA devices
   60  */
   61 void    init_audio_devices( bktr_ptr_t bktr );
   64 /*
   65  * MSP34xx Audio Chip functions.
   66  */
   67 void    msp_autodetect( bktr_ptr_t bktr );
   68 void    msp_read_id( bktr_ptr_t bktr );
   71 /*
   72  * DPL35xx Audio Chip functions.
   73  */
   74 void    dpl_autodetect( bktr_ptr_t bktr );
   75 void    dpl_read_id( bktr_ptr_t bktr );
   78 /*
   79  * TDA98xx Audio Chip functions.
   80  */
   81 void    init_BTSC( bktr_ptr_t bktr ); 
   82 int     set_BTSC( bktr_ptr_t bktr, int control );