1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/* $OpenBSD: bktr_tuner.h,v 1.1 2001/03/28 03:27:10 fgsch Exp $ */
/* $FreeBSD: src/sys/dev/bktr/bktr_tuner.h,v 1.1 1999/09/26 22:06:20 roger Exp $ */
/*
* 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_tuner : This deals with controlling the tuner fitted to TV cards.
*
*/
/*
* 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.
*/
/* Definitions for Tuners */
#define NO_TUNER 0
#define TEMIC_NTSC 1
#define TEMIC_PAL 2
#define TEMIC_SECAM 3
#define PHILIPS_NTSC 4
#define PHILIPS_PAL 5
#define PHILIPS_SECAM 6
#define TEMIC_PALI 7
#define PHILIPS_PALI 8
#define PHILIPS_FR1236_NTSC 9 /* These have FM radio support */
#define PHILIPS_FR1216_PAL 10 /* These have FM radio support */
#define PHILIPS_FR1236_SECAM 11 /* These have FM radio support */
#define ALPS_TSCH5 12
#define ALPS_TSBH1 13
#define Bt848_MAX_TUNER 14
/* experimental code for Automatic Frequency Control */
#define TUNER_AFC
/*
* Fill in the tuner entries in the bktr_softc based on the selected tuner
* type (from the list of tuners above)
*/
void select_tuner( bktr_ptr_t bktr, int tuner_type );
/*
* The Channel Set maps TV channels eg Ch 36, Ch 51, onto frequencies
* and is country specific.
*/
int tuner_getchnlset( struct bktr_chnlset *chnlset );
/*
* tv_channel sets the tuner to channel 'n' using the current Channel Set
* tv_freq sets the tuner to a specific frequency for TV or for FM Radio
* get_tuner_status can be used to get the signal strength.
*/
#define TV_FREQUENCY 0
#define FM_RADIO_FREQUENCY 1
int tv_channel( bktr_ptr_t bktr, int channel );
int tv_freq( bktr_ptr_t bktr, int frequency, int type );
int get_tuner_status( bktr_ptr_t bktr );
#if defined( TUNER_AFC )
int do_afc( bktr_ptr_t bktr, int addr, int frequency );
#endif /* TUNER_AFC */
/*
* This is for start-up convenience only, NOT mandatory.
*/
#if !defined( DEFAULT_CHNLSET )
#define DEFAULT_CHNLSET CHNLSET_WEUROPE
#endif
|
