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      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