1 | /* $SourceForge: bktr_audio.h,v 1.4 2003/03/11 23:11:21 thomasklausner Exp $ */ |
2 | |
3 | /* $NetBSD: bktr_audio.h,v 1.4 2005/12/11 12:23:22 christos Exp $ */ |
4 | /* $FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.2 1999/10/28 13:58:14 roger Exp$ */ |
5 | |
6 | /* |
7 | * This is part of the Driver for Video Capture Cards (Frame grabbers) |
8 | * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 |
9 | * chipset. |
10 | * Copyright Roger Hardiman and Amancio Hasty. |
11 | * |
12 | * bktr_audio : This deals with controlling the audio on TV cards, |
13 | * controlling the Audio Multiplexer (audio source selector). |
14 | * controlling any MSP34xx stereo audio decoders. |
15 | * controlling any DPL35xx dolby surround sound audio decoders. |
16 | * initialising TDA98xx audio devices. |
17 | * |
18 | */ |
19 | |
20 | /* |
21 | * 1. Redistributions of source code must retain the |
22 | * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman |
23 | * All rights reserved. |
24 | * |
25 | * Redistribution and use in source and binary forms, with or without |
26 | * modification, are permitted provided that the following conditions |
27 | * are met: |
28 | * 1. Redistributions of source code must retain the above copyright |
29 | * notice, this list of conditions and the following disclaimer. |
30 | * 2. Redistributions in binary form must reproduce the above copyright |
31 | * notice, this list of conditions and the following disclaimer in the |
32 | * documentation and/or other materials provided with the distribution. |
33 | * 3. All advertising materials mentioning features or use of this software |
34 | * must display the following acknowledgement: |
35 | * This product includes software developed by Amancio Hasty and |
36 | * Roger Hardiman |
37 | * 4. The name of the author may not be used to endorse or promote products |
38 | * derived from this software without specific prior written permission. |
39 | * |
40 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
41 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
42 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
43 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
44 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
45 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
46 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
49 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
50 | * POSSIBILITY OF SUCH DAMAGE. |
51 | */ |
52 | |
53 | /* |
54 | * Select Audio source, and allow muting |
55 | */ |
56 | int set_audio(bktr_ptr_t bktr, int mode); |
57 | void temp_mute(bktr_ptr_t bktr, int flag); |
58 | |
59 | |
60 | /* |
61 | * Initialise any MSP or TDA devices |
62 | */ |
63 | void init_audio_devices(bktr_ptr_t bktr); |
64 | |
65 | |
66 | /* |
67 | * MSP34xx Audio Chip functions. |
68 | */ |
69 | void msp_autodetect(bktr_ptr_t bktr); |
70 | void msp_read_id(bktr_ptr_t bktr); |
71 | |
72 | |
73 | /* |
74 | * DPL35xx Audio Chip functions. |
75 | */ |
76 | void dpl_autodetect(bktr_ptr_t bktr); |
77 | void dpl_read_id(bktr_ptr_t bktr); |
78 | |
79 | |
80 | /* |
81 | * TDA98xx Audio Chip functions. |
82 | */ |
83 | void init_BTSC(bktr_ptr_t bktr); |
84 | int set_BTSC(bktr_ptr_t bktr, int control); |
85 | |
86 | |
87 | |
88 | |