sys/dev/video/bktr/bktr_audio.h

   1 /* $FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.3 2003/08/12 09:45:34 alex Exp $ */
   2 /* $DragonFly: src/sys/dev/video/bktr/bktr_audio.h,v 1.4 2007/10/03 19:27:08 swildner Exp $ */
   3 /*
   4  * This is part of the Driver for Video Capture Cards (Frame grabbers)
   5  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
   6  * chipset.
   7  * Copyright Roger Hardiman and Amancio Hasty.
   8  *
   9  * bktr_audio : This deals with controlling the audio on TV cards,
  10  *                controlling the Audio Multiplexer (audio source selector).
  11  *                controlling any MSP34xx stereo audio decoders.
  12  *                controlling any DPL35xx dolby surroud sound audio decoders.
  13  *                initialising TDA98xx audio devices.
  14  *
  15  */
  16
  17 /*-
  18  * 1. Redistributions of source code must retain the
  19  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
  20  * All rights reserved.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the above copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *      This product includes software developed by Amancio Hasty and
  33  *      Roger Hardiman
  34  * 4. The name of the author may not be used to endorse or promote products
  35  *    derived from this software without specific prior written permission.
  36  *
  37  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  38  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  39  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  40  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  41  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  42  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  43  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  46  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  47  * POSSIBILITY OF SUCH DAMAGE.
  48  */
  49
  50 /*
  51  * Select Audio source, and allow muting
  52  */
  53 int     set_audio( bktr_ptr_t bktr, int mode );
  54 void    temp_mute( bktr_ptr_t bktr, int flag );
  55
  56
  57 /*
  58  * Initialise any MSP or TDA devices
  59  */
  60 void    init_audio_devices( bktr_ptr_t bktr );
  61
  62
  63 /*
  64  * MSP34xx Audio Chip functions.
  65  */
  66 void    msp_autodetect( bktr_ptr_t bktr );
  67 void    msp_read_id( bktr_ptr_t bktr );
  68 #ifdef BKTR_NEW_MSP34XX_DRIVER
  69 int     msp_attach(bktr_ptr_t bktr);
  70 int     msp_detach(bktr_ptr_t bktr);
  71 void    msp_wake_thread(bktr_ptr_t bktr);
  72 void    msp_halt_thread(bktr_ptr_t bktr);
  73 #endif
  74
  75
  76 /*
  77  * DPL35xx Audio Chip functions.
  78  */
  79 void    dpl_autodetect( bktr_ptr_t bktr );
  80 void    dpl_read_id( bktr_ptr_t bktr );
  81
  82
  83 /*
  84  * TDA98xx Audio Chip functions.
  85  */
  86 void    init_BTSC( bktr_ptr_t bktr );
  87 int     set_BTSC( bktr_ptr_t bktr, int control );