1 /* $NetBSD: bktr_tuner.h,v 1.1.1.1 2000/05/07 00:16:18 wiz Exp $ */ 2 3 /* FreeBSD: src/sys/dev/bktr/bktr_tuner.h,v 1.1 1999/09/26 22:06:20 roger Exp */ 4 5 /* 6 * This is part of the Driver for Video Capture Cards (Frame grabbers) 7 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 8 * chipset. 9 * Copyright Roger Hardiman and Amancio Hasty. 10 * 11 * bktr_tuner : This deals with controlling the tuner fitted to TV cards. 12 * 13 */ 14 15 /* 16 * 1. Redistributions of source code must retain the 17 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 18 * All rights reserved. 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 3. All advertising materials mentioning features or use of this software 29 * must display the following acknowledgement: 30 * This product includes software developed by Amancio Hasty and 31 * Roger Hardiman 32 * 4. The name of the author may not be used to endorse or promote products 33 * derived from this software without specific prior written permission. 34 * 35 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 36 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 37 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 39 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 40 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 41 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 42 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 43 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 44 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 45 * POSSIBILITY OF SUCH DAMAGE. 46 */ 47 48 /* Definitions for Tuners */ 49 50 #define NO_TUNER 0 51 #define TEMIC_NTSC 1 52 #define TEMIC_PAL 2 53 #define TEMIC_SECAM 3 54 #define PHILIPS_NTSC 4 55 #define PHILIPS_PAL 5 56 #define PHILIPS_SECAM 6 57 #define TEMIC_PALI 7 58 #define PHILIPS_PALI 8 59 #define PHILIPS_FR1236_NTSC 9 /* These have FM radio support */ 60 #define PHILIPS_FR1216_PAL 10 /* These have FM radio support */ 61 #define PHILIPS_FR1236_SECAM 11 /* These have FM radio support */ 62 #define ALPS_TSCH5 12 63 #define ALPS_TSBH1 13 64 #define Bt848_MAX_TUNER 14 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 /* 77 * The Channel Set maps TV channels eg Ch 36, Ch 51, onto frequencies 78 * and is country specific. 79 */ 80 int tuner_getchnlset( struct bktr_chnlset *chnlset ); 81 82 /* 83 * tv_channel sets the tuner to channel 'n' using the current Channel Set 84 * tv_freq sets the tuner to a specific frequency for TV or for FM Radio 85 * get_tuner_status can be used to get the signal strength. 86 */ 87 #define TV_FREQUENCY 0 88 #define FM_RADIO_FREQUENCY 1 89 int tv_channel( bktr_ptr_t bktr, int channel ); 90 int tv_freq( bktr_ptr_t bktr, int frequency, int type ); 91 int get_tuner_status( bktr_ptr_t bktr ); 92 93 #if defined( TUNER_AFC ) 94 int do_afc( bktr_ptr_t bktr, int addr, int frequency ); 95 #endif /* TUNER_AFC */ 96 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 104 105 106