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:
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