1/* $SourceForge: bktr_tuner.h,v 1.3 2003/03/11 23:11:28 thomasklausner Exp $ */ 2 3/* $NetBSD: bktr_tuner.h,v 1.1.1.2 2003/03/12 00:02:40 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 */ 74void 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 */ 81int 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 90int tv_channel(bktr_ptr_t bktr, int channel); 91int tv_freq(bktr_ptr_t bktr, int frequency, int type); 92int get_tuner_status(bktr_ptr_t bktr); 93 94#if defined(TUNER_AFC) 95int 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