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      1 /* $SourceForge: bktr_audio.h,v 1.4 2003/03/11 23:11:21 thomasklausner Exp $ */
      2 
      3 /*	$NetBSD: bktr_audio.h,v 1.4 2005/12/11 12:23:22 christos Exp $	*/
      4 /* $FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.2 1999/10/28 13:58:14 roger Exp$ */
      5 
      6 /*
      7  * This is part of the Driver for Video Capture Cards (Frame grabbers)
      8  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
      9  * chipset.
     10  * Copyright Roger Hardiman and Amancio Hasty.
     11  *
     12  * bktr_audio : This deals with controlling the audio on TV cards,
     13  *                controlling the Audio Multiplexer (audio source selector).
     14  *                controlling any MSP34xx stereo audio decoders.
     15  *                controlling any DPL35xx dolby surround sound audio decoders.
     16  *                initialising TDA98xx audio devices.
     17  *
     18  */
     19 
     20 /*
     21  * 1. Redistributions of source code must retain the
     22  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
     23  * All rights reserved.
     24  *
     25  * Redistribution and use in source and binary forms, with or without
     26  * modification, are permitted provided that the following conditions
     27  * are met:
     28  * 1. Redistributions of source code must retain the above copyright
     29  *    notice, this list of conditions and the following disclaimer.
     30  * 2. Redistributions in binary form must reproduce the above copyright
     31  *    notice, this list of conditions and the following disclaimer in the
     32  *    documentation and/or other materials provided with the distribution.
     33  * 3. All advertising materials mentioning features or use of this software
     34  *    must display the following acknowledgement:
     35  *      This product includes software developed by Amancio Hasty and
     36  *      Roger Hardiman
     37  * 4. The name of the author may not be used to endorse or promote products
     38  *    derived from this software without specific prior written permission.
     39  *
     40  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     41  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     42  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     43  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     44  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     45  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     46  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     49  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     50  * POSSIBILITY OF SUCH DAMAGE.
     51  */
     52 
     53 /*
     54  * Select Audio source, and allow muting
     55  */
     56 int	set_audio(bktr_ptr_t bktr, int mode);
     57 void	temp_mute(bktr_ptr_t bktr, int flag);
     58 
     59 
     60 /*
     61  * Initialise any MSP or TDA devices
     62  */
     63 void	init_audio_devices(bktr_ptr_t bktr);
     64 
     65 
     66 /*
     67  * MSP34xx Audio Chip functions.
     68  */
     69 void	msp_autodetect(bktr_ptr_t bktr);
     70 void	msp_read_id(bktr_ptr_t bktr);
     71 
     72 
     73 /*
     74  * DPL35xx Audio Chip functions.
     75  */
     76 void	dpl_autodetect(bktr_ptr_t bktr);
     77 void	dpl_read_id(bktr_ptr_t bktr);
     78 
     79 
     80 /*
     81  * TDA98xx Audio Chip functions.
     82  */
     83 void	init_BTSC(bktr_ptr_t bktr);
     84 int	set_BTSC(bktr_ptr_t bktr, int control);
     85 
     86 
     87 
     88