77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
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/* $FreeBSD$ */
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/*
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* This is part of the Driver for Video Capture Cards (Frame grabbers)
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* and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
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* chipset.
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* Copyright Roger Hardiman and Amancio Hasty.
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*
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* bktr_audio : This deals with controlling the audio on TV cards,
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* controlling the Audio Multiplexer (audio source selector).
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* controlling any MSP34xx stereo audio decoders.
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* initialising TDA98xx audio devices.
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*
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*/
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/*
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* 1. Redistributions of source code must retain the
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* Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Amancio Hasty and
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* Roger Hardiman
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Select Audio source, and allow muting
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*/
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int set_audio( bktr_ptr_t bktr, int mode );
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void temp_mute( bktr_ptr_t bktr, int flag );
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/*
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* Initialise any MSP or TDA devices
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*/
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void init_audio_devices( bktr_ptr_t bktr );
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/*
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* MSP34xx Audio Chip functions.
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*/
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void msp_autodetect( bktr_ptr_t bktr );
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void msp_read_id( bktr_ptr_t bktr );
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/*
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* TDA98xx Audio Chip functions.
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*/
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void init_BTSC( bktr_ptr_t bktr );
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int set_BTSC( bktr_ptr_t bktr, int control );
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