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