The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/bktr/bktr_tuner.h

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    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  * 1. Redistributions of source code must retain the
   15  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
   16  * All rights reserved.
   17  *
   18  * Redistribution and use in source and binary forms, with or without
   19  * modification, are permitted provided that the following conditions
   20  * are met:
   21  * 1. Redistributions of source code must retain the above copyright
   22  *    notice, this list of conditions and the following disclaimer.
   23  * 2. Redistributions in binary form must reproduce the above copyright
   24  *    notice, this list of conditions and the following disclaimer in the
   25  *    documentation and/or other materials provided with the distribution.
   26  * 3. All advertising materials mentioning features or use of this software
   27  *    must display the following acknowledgement:
   28  *      This product includes software developed by Amancio Hasty and
   29  *      Roger Hardiman
   30  * 4. The name of the author may not be used to endorse or promote products
   31  *    derived from this software without specific prior written permission.
   32  *
   33  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   34  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   35  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   36  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   37  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   38  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   39  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   42  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   43  * POSSIBILITY OF SUCH DAMAGE.
   44  */
   45 
   46 /* Definitions for Tuners */
   47 
   48 #define NO_TUNER                0
   49 #define TEMIC_NTSC              1
   50 #define TEMIC_PAL               2
   51 #define TEMIC_SECAM             3
   52 #define PHILIPS_NTSC            4
   53 #define PHILIPS_PAL             5
   54 #define PHILIPS_SECAM           6
   55 #define TEMIC_PALI              7
   56 #define PHILIPS_PALI            8
   57 #define PHILIPS_FR1236_NTSC     9       /* These have FM radio support */
   58 #define PHILIPS_FR1216_PAL      10      /* These have FM radio support */
   59 #define PHILIPS_FR1236_SECAM    11      /* These have FM radio support */
   60 #define ALPS_TSCH5              12
   61 #define ALPS_TSBH1              13
   62 #define TUNER_MT2032            14
   63 #define LG_TPI8PSB12P_PAL       15
   64 #define Bt848_MAX_TUNER         16
   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  * The Channel Set maps TV channels eg Ch 36, Ch 51, onto frequencies
   77  * and is country specific.
   78  */
   79 int     tuner_getchnlset( struct bktr_chnlset *chnlset );
   80 
   81 /*
   82  * tv_channel sets the tuner to channel 'n' using the current Channel Set
   83  * tv_freq sets the tuner to a specific frequency for TV or for FM Radio
   84  * get_tuner_status can be used to get the signal strength.
   85  */
   86 #define TV_FREQUENCY       0
   87 #define FM_RADIO_FREQUENCY 1
   88 int     tv_channel( bktr_ptr_t bktr, int channel );
   89 int     tv_freq( bktr_ptr_t bktr, int frequency, int type );
   90 int     get_tuner_status( bktr_ptr_t bktr );
   91 
   92 #if defined( TUNER_AFC )
   93 int     do_afc( bktr_ptr_t bktr, int addr, int frequency );
   94 #endif /* TUNER_AFC */
   95 
   96 int mt2032_init(bktr_ptr_t bktr);
   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 

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