bktr_audio.h revision 330897 
1/* $FreeBSD: stable/11/sys/dev/bktr/bktr_audio.h 330897 2018-03-14 03:19:51Z 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 * SPDX-License-Identifier: BSD-4-Clause
18 *
19 * 1. Redistributions of source code must retain the
20 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
21 * All rights reserved.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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
34 *      Roger Hardiman
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.
37 *
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.
49 */
50
51/*
52 * Select Audio source, and allow muting
53 */
54int	set_audio( bktr_ptr_t bktr, int mode );
55void	temp_mute( bktr_ptr_t bktr, int flag );
56
57
58/*
59 * Initialise any MSP or TDA devices
60 */
61void	init_audio_devices( bktr_ptr_t bktr );
62
63
64/*
65 * MSP34xx Audio Chip functions.
66 */
67void	msp_autodetect( bktr_ptr_t bktr );
68void	msp_read_id( bktr_ptr_t bktr );
69#ifdef BKTR_NEW_MSP34XX_DRIVER
70int	msp_attach(bktr_ptr_t bktr);
71int	msp_detach(bktr_ptr_t bktr);
72void	msp_wake_thread(bktr_ptr_t bktr);
73void	msp_halt_thread(bktr_ptr_t bktr);
74#endif
75
76
77/*
78 * DPL35xx Audio Chip functions.
79 */
80void	dpl_autodetect( bktr_ptr_t bktr );
81void	dpl_read_id( bktr_ptr_t bktr );
82
83
84/*
85 * TDA98xx Audio Chip functions.
86 */
87void	init_BTSC( bktr_ptr_t bktr );
88int	set_BTSC( bktr_ptr_t bktr, int control );
89
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92