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/sys/radioio.h

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    1 /* $OpenBSD: radioio.h,v 1.5 2015/01/14 21:15:36 deraadt Exp $ */
    2 /* $RuOBSD: radioio.h,v 1.4 2001/10/18 16:51:36 pva Exp $ */
    3 
    4 /*
    5  * Copyright (c) 2001 Maxim Tsyplakov <tm@oganer.net>,
    6  *                    Vladimir Popov <jumbo@narod.ru>
    7  * All rights reserved.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
   19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   21  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   28  */
   29 
   30 #ifndef _SYS_RADIOIO_H_
   31 #define _SYS_RADIOIO_H_
   32 
   33 #include <sys/types.h>
   34 
   35 #define MIN_FM_FREQ     87500
   36 #define MAX_FM_FREQ     108000
   37 
   38 #define MIN_TV_CHAN     0
   39 #define MAX_TV_CHAN     150
   40 
   41 #define IF_FREQ 10700
   42 
   43 struct radio_info {
   44         int     mute;
   45         int     volume;
   46         int     stereo;
   47         int     rfreq;  /* reference frequency */
   48         int     lock;   /* locking field strength during an automatic search */
   49         u_int32_t       freq;   /* in kHz */
   50         u_int32_t       caps;   /* card capabilities */
   51 #define RADIO_CAPS_DETECT_STEREO        (1<<0)
   52 #define RADIO_CAPS_DETECT_SIGNAL        (1<<1)
   53 #define RADIO_CAPS_SET_MONO             (1<<2)
   54 #define RADIO_CAPS_HW_SEARCH            (1<<3)
   55 #define RADIO_CAPS_HW_AFC               (1<<4)
   56 #define RADIO_CAPS_REFERENCE_FREQ       (1<<5)
   57 #define RADIO_CAPS_LOCK_SENSITIVITY     (1<<6)
   58 #define RADIO_CAPS_RESERVED1            (1<<7)
   59 #define RADIO_CAPS_RESERVED2            (0xFF<<8)
   60 #define RADIO_CARD_TYPE                 (0xFF<<16)
   61         u_int32_t       info;
   62 #define RADIO_INFO_STEREO               (1<<0)
   63 #define RADIO_INFO_SIGNAL               (1<<1)
   64         u_int32_t       tuner_mode;
   65 #define RADIO_TUNER_MODE_RADIO         (1<<0)
   66 #define RADIO_TUNER_MODE_TV            (1<<1)
   67         u_int32_t       chan;
   68         u_int32_t       chnlset;
   69 };
   70 
   71 /* Radio device operations */
   72 #define RIOCGINFO       _IOR('R', 21, struct radio_info) /* get info */
   73 #define RIOCSINFO       _IOWR('R', 22, struct radio_info) /* set info */
   74 #define RIOCSSRCH       _IOW('R', 23, int) /* search up/down */
   75 
   76 #endif /* _SYS_RADIOIO_H_ */

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