| 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 | |