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 /* $NetBSD: radioio.h,v 1.1 2002/01/01 21:51:39 augustss Exp $ */
    2 /* $OpenBSD: radioio.h,v 1.2 2001/12/05 10:27:05 mickey Exp $ */
    3 /* $RuOBSD: radioio.h,v 1.4 2001/10/18 16:51:36 pva Exp $ */
    4 
    5 /*
    6  * Copyright (c) 2001 Maxim Tsyplakov <tm@oganer.net>,
    7  *                    Vladimir Popov <jumbo@narod.ru>
    8  * All rights reserved.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
   20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   22  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   29  */
   30 
   31 #ifndef _SYS_RADIOIO_H_
   32 #define _SYS_RADIOIO_H_
   33 
   34 #include <sys/param.h>
   35 
   36 #define MIN_FM_FREQ     87500
   37 #define MAX_FM_FREQ     108000
   38 
   39 #define IF_FREQ 10700
   40 
   41 struct radio_info {
   42         int     mute;
   43         int     volume;
   44         int     stereo;
   45         int     rfreq;  /* reference frequency */
   46         int     lock;   /* locking field strength during an automatic search */
   47         u_int32_t       freq;   /* in kHz */
   48         u_int32_t       caps;   /* card capabilities */
   49 #define RADIO_CAPS_DETECT_STEREO        (1<<0)
   50 #define RADIO_CAPS_DETECT_SIGNAL        (1<<1)
   51 #define RADIO_CAPS_SET_MONO             (1<<2)
   52 #define RADIO_CAPS_HW_SEARCH            (1<<3)
   53 #define RADIO_CAPS_HW_AFC               (1<<4)
   54 #define RADIO_CAPS_REFERENCE_FREQ       (1<<5)
   55 #define RADIO_CAPS_LOCK_SENSITIVITY     (1<<6)
   56 #define RADIO_CAPS_RESERVED1            (1<<7)
   57 #define RADIO_CAPS_RESERVED2            (0xFF<<8)
   58 #define RADIO_CARD_TYPE                 (0xFF<<16)
   59         u_int32_t       info;
   60 #define RADIO_INFO_STEREO               (1<<0)
   61 #define RADIO_INFO_SIGNAL               (1<<1)
   62 };
   63 
   64 /* Radio device operations */
   65 #define RIOCGINFO       _IOR('R', 21, struct radio_info) /* get info */
   66 #define RIOCSINFO       _IOWR('R', 22, struct radio_info) /* set info */
   67 #define RIOCSSRCH       _IOW('R', 23, int) /* search up/down */
   68 
   69 #endif /* _SYS_RADIOIO_H_ */

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