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Annotation of sys/dev/pci/bktr/bktr_audio.h, Revision 1.1.1.1

1.1       nbrk        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: