bktr_tuner.h revision 330897
1/* $FreeBSD: stable/11/sys/dev/bktr/bktr_tuner.h 330897 2018-03-14 03:19:51Z eadler $ */ 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 Bt848_MAX_TUNER 16 67 68/* experimental code for Automatic Frequency Control */ 69#define TUNER_AFC 70 71/* 72 * Fill in the tuner entries in the bktr_softc based on the selected tuner 73 * type (from the list of tuners above) 74 */ 75void select_tuner( bktr_ptr_t bktr, int tuner_type ); 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 98int mt2032_init(bktr_ptr_t bktr); 99 100/* 101 * This is for start-up convenience only, NOT mandatory. 102 */ 103#if !defined( DEFAULT_CHNLSET ) 104#define DEFAULT_CHNLSET CHNLSET_WEUROPE 105#endif 106 107