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