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Annotation of sys/dev/pci/bktr/bktr_tuner.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: bktr_tuner.h,v 1.2 2007/01/08 08:29:37 pedro Exp $    */
                      2: /* $FreeBSD: src/sys/dev/bktr/bktr_tuner.h,v 1.1 1999/09/26 22:06:20 roger Exp $ */
                      3:
                      4: /*
                      5:  * This is part of the Driver for Video Capture Cards (Frame grabbers)
                      6:  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
                      7:  * chipset.
                      8:  * Copyright Roger Hardiman and Amancio Hasty.
                      9:  *
                     10:  * bktr_tuner : This deals with controlling the tuner fitted to TV cards.
                     11:  *
                     12:  */
                     13:
                     14: /*
                     15:  * 1. Redistributions of source code must retain the
                     16:  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
                     17:  * All rights reserved.
                     18:  *
                     19:  * Redistribution and use in source and binary forms, with or without
                     20:  * modification, are permitted provided that the following conditions
                     21:  * are met:
                     22:  * 1. Redistributions of source code must retain the above copyright
                     23:  *    notice, this list of conditions and the following disclaimer.
                     24:  * 2. Redistributions in binary form must reproduce the above copyright
                     25:  *    notice, this list of conditions and the following disclaimer in the
                     26:  *    documentation and/or other materials provided with the distribution.
                     27:  * 3. All advertising materials mentioning features or use of this software
                     28:  *    must display the following acknowledgement:
                     29:  *      This product includes software developed by Amancio Hasty and
                     30:  *      Roger Hardiman
                     31:  * 4. The name of the author may not be used to endorse or promote products
                     32:  *    derived from this software without specific prior written permission.
                     33:  *
                     34:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     35:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     36:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     37:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
                     38:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     39:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     40:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     42:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
                     43:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     44:  * POSSIBILITY OF SUCH DAMAGE.
                     45:  */
                     46:
                     47: /* Definitions for Tuners */
                     48:
                     49: #define NO_TUNER                0
                     50: #define TEMIC_NTSC              1
                     51: #define TEMIC_PAL               2
                     52: #define TEMIC_SECAM             3
                     53: #define PHILIPS_NTSC            4
                     54: #define PHILIPS_PAL             5
                     55: #define PHILIPS_SECAM           6
                     56: #define TEMIC_PALI              7
                     57: #define PHILIPS_PALI            8
                     58: #define PHILIPS_FR1236_NTSC     9    /* These have FM radio support */
                     59: #define PHILIPS_FR1216_PAL      10   /* These have FM radio support */
                     60: #define PHILIPS_FR1236_SECAM    11   /* These have FM radio support */
                     61: #define ALPS_TSCH5              12
                     62: #define ALPS_TSBH1              13
                     63: #define TIVISION_TVF5533        14
                     64: #define Bt848_MAX_TUNER         15
                     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: