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
6 * Copyright Roger Hardiman and Amancio Hasty.
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.
17 * SPDX-License-Identifier: BSD-4-Clause
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 );
69 #ifdef BKTR_NEW_MSP34XX_DRIVER
70 int msp_attach(bktr_ptr_t bktr);
71 int msp_detach(bktr_ptr_t bktr);
72 void msp_wake_thread(bktr_ptr_t bktr);
73 void msp_halt_thread(bktr_ptr_t bktr);
78 * DPL35xx Audio Chip functions.
80 void dpl_autodetect( bktr_ptr_t bktr );
81 void dpl_read_id( bktr_ptr_t bktr );
85 * TDA98xx Audio Chip functions.
87 void init_BTSC( bktr_ptr_t bktr );
88 int set_BTSC( bktr_ptr_t bktr, int control );