bktr_audio.h revision 331722 
1/* $FreeBSD: stable/11/sys/dev/bktr/bktr_audio.h 331722 2018-03-29 02:50:57Z eadler $ */
2/*
3 * This is part of the Driver for Video Capture Cards (Frame grabbers)
4 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
5 * chipset.
6 * Copyright Roger Hardiman and Amancio Hasty.
7 *
8 * bktr_audio : This deals with controlling the audio on TV cards,
9 *                controlling the Audio Multiplexer (audio source selector).
10 *                controlling any MSP34xx stereo audio decoders.
11 *                controlling any DPL35xx dolby surroud sound audio decoders.
12 *                initialising TDA98xx audio devices.
13 *
14 */
15
16/*-
17 * 1. Redistributions of source code must retain the
18 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
19 * All rights reserved.
20 *
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions
23 * are met:
24 * 1. Redistributions of source code must retain the above copyright
25 *    notice, this list of conditions and the following disclaimer.
26 * 2. Redistributions in binary form must reproduce the above copyright
27 *    notice, this list of conditions and the following disclaimer in the
28 *    documentation and/or other materials provided with the distribution.
29 * 3. All advertising materials mentioning features or use of this software
30 *    must display the following acknowledgement:
31 *      This product includes software developed by Amancio Hasty and
32 *      Roger Hardiman
33 * 4. The name of the author may not be used to endorse or promote products
34 *    derived from this software without specific prior written permission.
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
37 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
38 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
40 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
41 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
42 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
45 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
46 * POSSIBILITY OF SUCH DAMAGE.
47 */
48
49/*
50 * Select Audio source, and allow muting
51 */
52int	set_audio( bktr_ptr_t bktr, int mode );
53void	temp_mute( bktr_ptr_t bktr, int flag );
54
55
56/*
57 * Initialise any MSP or TDA devices
58 */
59void	init_audio_devices( bktr_ptr_t bktr );
60
61
62/*
63 * MSP34xx Audio Chip functions.
64 */
65void	msp_autodetect( bktr_ptr_t bktr );
66void	msp_read_id( bktr_ptr_t bktr );
67#ifdef BKTR_NEW_MSP34XX_DRIVER
68int	msp_attach(bktr_ptr_t bktr);
69int	msp_detach(bktr_ptr_t bktr);
70void	msp_wake_thread(bktr_ptr_t bktr);
71void	msp_halt_thread(bktr_ptr_t bktr);
72#endif
73
74
75/*
76 * DPL35xx Audio Chip functions.
77 */
78void	dpl_autodetect( bktr_ptr_t bktr );
79void	dpl_read_id( bktr_ptr_t bktr );
80
81
82/*
83 * TDA98xx Audio Chip functions.
84 */
85void	init_BTSC( bktr_ptr_t bktr );
86int	set_BTSC( bktr_ptr_t bktr, int control );
87
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90