1 /* $FreeBSD: releng/9.0/sys/dev/bktr/bktr_audio.h 139749 2005-01-06 01:43:34Z imp $ */
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 */
52 int set_audio( bktr_ptr_t bktr, int mode );
53 void temp_mute( bktr_ptr_t bktr, int flag );
54
55
56 /*
57 * Initialise any MSP or TDA devices
58 */
59 void init_audio_devices( bktr_ptr_t bktr );
60
61
62 /*
63 * MSP34xx Audio Chip functions.
64 */
65 void msp_autodetect( bktr_ptr_t bktr );
66 void msp_read_id( bktr_ptr_t bktr );
67 #ifdef BKTR_NEW_MSP34XX_DRIVER
68 int msp_attach(bktr_ptr_t bktr);
69 int msp_detach(bktr_ptr_t bktr);
70 void msp_wake_thread(bktr_ptr_t bktr);
71 void msp_halt_thread(bktr_ptr_t bktr);
72 #endif
73
74
75 /*
76 * DPL35xx Audio Chip functions.
77 */
78 void dpl_autodetect( bktr_ptr_t bktr );
79 void dpl_read_id( bktr_ptr_t bktr );
80
81
82 /*
83 * TDA98xx Audio Chip functions.
84 */
85 void init_BTSC( bktr_ptr_t bktr );
86 int set_BTSC( bktr_ptr_t bktr, int control );
87
88
89
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