1 /* $OpenBSD: bktr_audio.h,v 1.2 2004/03/19 09:14:15 mickey Exp $ */ 2 /* $FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.2 1999/10/28 13:58:14 roger Exp $ */ 3 4 /* 5 * This is part of the Driver for Video Capture Cards (Frame grabbers) 6 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 7 * chipset. 8 * Copyright Roger Hardiman and Amancio Hasty. 9 * 10 * bktr_audio : This deals with controlling the audio on TV cards, 11 * controlling the Audio Multiplexer (audio source selector). 12 * controlling any MSP34xx stereo audio decoders. 13 * controlling any DPL35xx dolby surround sound audio decoders. 14 * initialising TDA98xx audio devices. 15 * 16 */ 17 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 */ 54 int set_audio( bktr_ptr_t bktr, int mode ); 55 void temp_mute( bktr_ptr_t bktr, int flag ); 56 57 58 /* 59 * Initialise any MSP or TDA devices 60 */ 61 void init_audio_devices( bktr_ptr_t bktr ); 62 63 64 /* 65 * MSP34xx Audio Chip functions. 66 */ 67 void msp_autodetect( bktr_ptr_t bktr ); 68 void msp_read_id( bktr_ptr_t bktr ); 69 70 71 /* 72 * DPL35xx Audio Chip functions. 73 */ 74 void dpl_autodetect( bktr_ptr_t bktr ); 75 void dpl_read_id( bktr_ptr_t bktr ); 76 77 78 /* 79 * TDA98xx Audio Chip functions. 80 */ 81 void init_BTSC( bktr_ptr_t bktr ); 82 int set_BTSC( bktr_ptr_t bktr, int control ); 83 84 85 86