| 1 | /* $SourceForge: bktr_tuner.h,v 1.3 2003/03/11 23:11:28 thomasklausner Exp $ */ |
| 2 | |
| 3 | /* $NetBSD: bktr_tuner.h,v 1.2 2003/03/12 00:14:41 wiz Exp $ */ |
| 4 | /* $FreeBSD: src/sys/dev/bktr/bktr_tuner.h,v 1.1 1999/09/26 22:06:20 roger Exp$ */ |
| 5 | |
| 6 | /* |
| 7 | * This is part of the Driver for Video Capture Cards (Frame grabbers) |
| 8 | * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 |
| 9 | * chipset. |
| 10 | * Copyright Roger Hardiman and Amancio Hasty. |
| 11 | * |
| 12 | * bktr_tuner : This deals with controlling the tuner fitted to TV cards. |
| 13 | * |
| 14 | */ |
| 15 | |
| 16 | /* |
| 17 | * 1. Redistributions of source code must retain the |
| 18 | * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman |
| 19 | * All rights reserved. |
| 20 | * |
| 21 | * Redistribution and use in source and binary forms, with or without |
| 22 | * modification, are permitted provided that the following conditions |
| 23 | * are met: |
| 24 | * 1. Redistributions of source code must retain the above copyright |
| 25 | * notice, this list of conditions and the following disclaimer. |
| 26 | * 2. Redistributions in binary form must reproduce the above copyright |
| 27 | * notice, this list of conditions and the following disclaimer in the |
| 28 | * documentation and/or other materials provided with the distribution. |
| 29 | * 3. All advertising materials mentioning features or use of this software |
| 30 | * must display the following acknowledgement: |
| 31 | * This product includes software developed by Amancio Hasty and |
| 32 | * Roger Hardiman |
| 33 | * 4. The name of the author may not be used to endorse or promote products |
| 34 | * derived from this software without specific prior written permission. |
| 35 | * |
| 36 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 37 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 38 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 39 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 40 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 41 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 42 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 45 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 46 | * POSSIBILITY OF SUCH DAMAGE. |
| 47 | */ |
| 48 | |
| 49 | /* Definitions for Tuners */ |
| 50 | |
| 51 | #define NO_TUNER 0 |
| 52 | #define TEMIC_NTSC 1 |
| 53 | #define TEMIC_PAL 2 |
| 54 | #define TEMIC_SECAM 3 |
| 55 | #define PHILIPS_NTSC 4 |
| 56 | #define PHILIPS_PAL 5 |
| 57 | #define PHILIPS_SECAM 6 |
| 58 | #define TEMIC_PALI 7 |
| 59 | #define PHILIPS_PALI 8 |
| 60 | #define PHILIPS_FR1236_NTSC 9 /* These have FM radio support */ |
| 61 | #define PHILIPS_FR1216_PAL 10 /* These have FM radio support */ |
| 62 | #define PHILIPS_FR1236_SECAM 11 /* These have FM radio support */ |
| 63 | #define ALPS_TSCH5 12 |
| 64 | #define ALPS_TSBH1 13 |
| 65 | #define Bt848_MAX_TUNER 14 |
| 66 | |
| 67 | /* experimental code for Automatic Frequency Control */ |
| 68 | #define TUNER_AFC |
| 69 | |
| 70 | /* |
| 71 | * Fill in the tuner entries in the bktr_softc based on the selected tuner |
| 72 | * type (from the list of tuners above) |
| 73 | */ |
| 74 | void select_tuner(bktr_ptr_t bktr, int tuner_type); |
| 75 | |
| 76 | |
| 77 | /* |
| 78 | * The Channel Set maps TV channels eg Ch 36, Ch 51, onto frequencies |
| 79 | * and is country specific. |
| 80 | */ |
| 81 | int tuner_getchnlset(struct bktr_chnlset *chnlset); |
| 82 | |
| 83 | /* |
| 84 | * tv_channel sets the tuner to channel 'n' using the current Channel Set |
| 85 | * tv_freq sets the tuner to a specific frequency for TV or for FM Radio |
| 86 | * get_tuner_status can be used to get the signal strength. |
| 87 | */ |
| 88 | #define TV_FREQUENCY 0 |
| 89 | #define FM_RADIO_FREQUENCY 1 |
| 90 | int tv_channel(bktr_ptr_t bktr, int channel); |
| 91 | int tv_freq(bktr_ptr_t bktr, int frequency, int type); |
| 92 | int get_tuner_status(bktr_ptr_t bktr); |
| 93 | |
| 94 | #if defined(TUNER_AFC) |
| 95 | int do_afc(bktr_ptr_t bktr, int addr, int frequency); |
| 96 | #endif /* TUNER_AFC */ |
| 97 | |
| 98 | |
| 99 | /* |
| 100 | * This is for start-up convenience only, NOT mandatory. |
| 101 | */ |
| 102 | #if !defined(DEFAULT_CHNLSET) |
| 103 | #define DEFAULT_CHNLSET CHNLSET_WEUROPE |
| 104 | #endif |
| 105 | |
| 106 | |
| 107 | |