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 * SPDX-License-Identifier: BSD-4-Clause 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 TUNER_MT2032 14 65#define LG_TPI8PSB12P_PAL 15 66#define PHILIPS_FI1216 16 67#define Bt848_MAX_TUNER 17 68 69/* experimental code for Automatic Frequency Control */ 70#define TUNER_AFC 71 72/* 73 * Fill in the tuner entries in the bktr_softc based on the selected tuner 74 * type (from the list of tuners above) 75 */ 76void select_tuner( bktr_ptr_t bktr, int tuner_type ); 77 78/* 79 * The Channel Set maps TV channels eg Ch 36, Ch 51, onto frequencies 80 * and is country specific. 81 */ 82int tuner_getchnlset( struct bktr_chnlset *chnlset ); 83 84/* 85 * tv_channel sets the tuner to channel 'n' using the current Channel Set 86 * tv_freq sets the tuner to a specific frequency for TV or for FM Radio 87 * get_tuner_status can be used to get the signal strength. 88 */ 89#define TV_FREQUENCY 0 90#define FM_RADIO_FREQUENCY 1 91int tv_channel( bktr_ptr_t bktr, int channel ); 92int tv_freq( bktr_ptr_t bktr, int frequency, int type ); 93int get_tuner_status( bktr_ptr_t bktr ); 94 95#if defined( TUNER_AFC ) 96int do_afc( bktr_ptr_t bktr, int addr, int frequency ); 97#endif /* TUNER_AFC */ 98 99int mt2032_init(bktr_ptr_t bktr); 100 101/* 102 * This is for start-up convenience only, NOT mandatory. 103 */ 104#if !defined( DEFAULT_CHNLSET ) 105#define DEFAULT_CHNLSET CHNLSET_WEUROPE 106#endif 107 108