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