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/* $FreeBSD: release/9.1.0/sys/dev/bktr/bktr_audio.h 139749 2005-01-06 01:43:34Z imp $ */ /* * This is part of the Driver for Video Capture Cards (Frame grabbers) * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 * chipset. * Copyright Roger Hardiman and Amancio Hasty. * * bktr_audio : This deals with controlling the audio on TV cards, * controlling the Audio Multiplexer (audio source selector). * controlling any MSP34xx stereo audio decoders. * controlling any DPL35xx dolby surroud sound audio decoders. * initialising TDA98xx audio devices. * */ /*- * 1. Redistributions of source code must retain the * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Amancio Hasty and * Roger Hardiman * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Select Audio source, and allow muting */ int set_audio( bktr_ptr_t bktr, int mode ); void temp_mute( bktr_ptr_t bktr, int flag ); /* * Initialise any MSP or TDA devices */ void init_audio_devices( bktr_ptr_t bktr ); /* * MSP34xx Audio Chip functions. */ void msp_autodetect( bktr_ptr_t bktr ); void msp_read_id( bktr_ptr_t bktr ); #ifdef BKTR_NEW_MSP34XX_DRIVER int msp_attach(bktr_ptr_t bktr); int msp_detach(bktr_ptr_t bktr); void msp_wake_thread(bktr_ptr_t bktr); void msp_halt_thread(bktr_ptr_t bktr); #endif /* * DPL35xx Audio Chip functions. */ void dpl_autodetect( bktr_ptr_t bktr ); void dpl_read_id( bktr_ptr_t bktr ); /* * TDA98xx Audio Chip functions. */ void init_BTSC( bktr_ptr_t bktr ); int set_BTSC( bktr_ptr_t bktr, int control );