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bktr_audio.h revision 1.1 
      1 /*	$NetBSD: bktr_audio.h,v 1.1 2000/05/07 00:16:18 wiz Exp $	*/
      2 
      3 /* FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.2 1999/10/28 13:58:14 roger Exp */
      4 
      5 /*
      6  * This is part of the Driver for Video Capture Cards (Frame grabbers)
      7  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
      8  * chipset.
      9  * Copyright Roger Hardiman and Amancio Hasty.
     10  *
     11  * bktr_audio : This deals with controlling the audio on TV cards,
     12  *                controlling the Audio Multiplexer (audio source selector).
     13  *                controlling any MSP34xx stereo audio decoders.
     14  *                controlling any DPL35xx dolby surroud sound audio decoders.
     15  *                initialising TDA98xx audio devices.
     16  *
     17  */
     18 
     19 /*
     20  * 1. Redistributions of source code must retain the
     21  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
     22  * All rights reserved.
     23  *
     24  * Redistribution and use in source and binary forms, with or without
     25  * modification, are permitted provided that the following conditions
     26  * are met:
     27  * 1. Redistributions of source code must retain the above copyright
     28  *    notice, this list of conditions and the following disclaimer.
     29  * 2. Redistributions in binary form must reproduce the above copyright
     30  *    notice, this list of conditions and the following disclaimer in the
     31  *    documentation and/or other materials provided with the distribution.
     32  * 3. All advertising materials mentioning features or use of this software
     33  *    must display the following acknowledgement:
     34  *      This product includes software developed by Amancio Hasty and
     35  *      Roger Hardiman
     36  * 4. The name of the author may not be used to endorse or promote products
     37  *    derived from this software without specific prior written permission.
     38  *
     39  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     40  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     41  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     42  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     43  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     44  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     45  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     46  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     47  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     48  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     49  * POSSIBILITY OF SUCH DAMAGE.
     50  */
     51 
     52 /*
     53  * Select Audio source, and allow muting
     54  */
     55 int	set_audio( bktr_ptr_t bktr, int mode );
     56 void	temp_mute( bktr_ptr_t bktr, int flag );
     57 
     58 
     59 /*
     60  * Initialise any MSP or TDA devices
     61  */
     62 void	init_audio_devices( bktr_ptr_t bktr );
     63 
     64 
     65 /*
     66  * MSP34xx Audio Chip functions.
     67  */
     68 void	msp_autodetect( bktr_ptr_t bktr );
     69 void	msp_read_id( bktr_ptr_t bktr );
     70 
     71 
     72 /*
     73  * DPL35xx Audio Chip functions.
     74  */
     75 void	dpl_autodetect( bktr_ptr_t bktr );
     76 void	dpl_read_id( bktr_ptr_t bktr );
     77 
     78 
     79 /*
     80  * TDA98xx Audio Chip functions.
     81  */
     82 void	init_BTSC( bktr_ptr_t bktr );
     83 int	set_BTSC( bktr_ptr_t bktr, int control );
     84 
     85 
     86 
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