1 /* $FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.2 1999/10/28 13:58:14 roger Exp $ */
2 /* $DragonFly: src/sys/dev/video/bktr/bktr_audio.h,v 1.2 2003/06/17 04:28:23 dillon Exp $ */
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
8 * Copyright Roger Hardiman and Amancio Hasty.
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 surroud sound audio decoders.
14 * initialising TDA98xx audio devices.
19 * 1. Redistributions of source code must retain the
20 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
21 * All rights reserved.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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
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.
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.
52 * Select Audio source, and allow muting
54 int set_audio( bktr_ptr_t bktr, int mode );
55 void temp_mute( bktr_ptr_t bktr, int flag );
59 * Initialise any MSP or TDA devices
61 void init_audio_devices( bktr_ptr_t bktr );
65 * MSP34xx Audio Chip functions.
67 void msp_autodetect( bktr_ptr_t bktr );
68 void msp_read_id( bktr_ptr_t bktr );
72 * DPL35xx Audio Chip functions.
74 void dpl_autodetect( bktr_ptr_t bktr );
75 void dpl_read_id( bktr_ptr_t bktr );
79 * TDA98xx Audio Chip functions.
81 void init_BTSC( bktr_ptr_t bktr );
82 int set_BTSC( bktr_ptr_t bktr, int control );