1 /* $FreeBSD$ */
2
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_tuner : This deals with controlling the tuner fitted to TV cards.
10 *
11 */
12
13 /*-
14 * 1. Redistributions of source code must retain the
15 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. All advertising materials mentioning features or use of this software
27 * must display the following acknowledgement:
28 * This product includes software developed by Amancio Hasty and
29 * Roger Hardiman
30 * 4. The name of the author may not be used to endorse or promote products
31 * derived from this software without specific prior written permission.
32 *
33 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
34 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
35 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
37 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
39 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
42 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
43 * POSSIBILITY OF SUCH DAMAGE.
44 */
45
46 /* Definitions for Tuners */
47
48 #define NO_TUNER 0
49 #define TEMIC_NTSC 1
50 #define TEMIC_PAL 2
51 #define TEMIC_SECAM 3
52 #define PHILIPS_NTSC 4
53 #define PHILIPS_PAL 5
54 #define PHILIPS_SECAM 6
55 #define TEMIC_PALI 7
56 #define PHILIPS_PALI 8
57 #define PHILIPS_FR1236_NTSC 9 /* These have FM radio support */
58 #define PHILIPS_FR1216_PAL 10 /* These have FM radio support */
59 #define PHILIPS_FR1236_SECAM 11 /* These have FM radio support */
60 #define ALPS_TSCH5 12
61 #define ALPS_TSBH1 13
62 #define TUNER_MT2032 14
63 #define LG_TPI8PSB12P_PAL 15
64 #define Bt848_MAX_TUNER 16
65
66 /* experimental code for Automatic Frequency Control */
67 #define TUNER_AFC
68
69 /*
70 * Fill in the tuner entries in the bktr_softc based on the selected tuner
71 * type (from the list of tuners above)
72 */
73 void select_tuner( bktr_ptr_t bktr, int tuner_type );
74
75 /*
76 * The Channel Set maps TV channels eg Ch 36, Ch 51, onto frequencies
77 * and is country specific.
78 */
79 int tuner_getchnlset( struct bktr_chnlset *chnlset );
80
81 /*
82 * tv_channel sets the tuner to channel 'n' using the current Channel Set
83 * tv_freq sets the tuner to a specific frequency for TV or for FM Radio
84 * get_tuner_status can be used to get the signal strength.
85 */
86 #define TV_FREQUENCY 0
87 #define FM_RADIO_FREQUENCY 1
88 int tv_channel( bktr_ptr_t bktr, int channel );
89 int tv_freq( bktr_ptr_t bktr, int frequency, int type );
90 int get_tuner_status( bktr_ptr_t bktr );
91
92 #if defined( TUNER_AFC )
93 int do_afc( bktr_ptr_t bktr, int addr, int frequency );
94 #endif /* TUNER_AFC */
95
96 int mt2032_init(bktr_ptr_t bktr);
97
98 /*
99 * This is for start-up convenience only, NOT mandatory.
100 */
101 #if !defined( DEFAULT_CHNLSET )
102 #define DEFAULT_CHNLSET CHNLSET_WEUROPE
103 #endif
104
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