FreeBSD/Linux Kernel Cross Reference
sys/dev/bktr/bktr_audio.h

     /* $FreeBSD: releng/8.4/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 );
    
    
    

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