FreeBSD/Linux Kernel Cross Reference
sys/sys/radioio.h

     /* $NetBSD: radioio.h,v 1.3 2015/09/06 06:01:02 dholland Exp $ */
     /* $OpenBSD: radioio.h,v 1.2 2001/12/05 10:27:05 mickey Exp $ */
     /* $RuOBSD: radioio.h,v 1.4 2001/10/18 16:51:36 pva Exp $ */
     
     /*
      * Copyright (c) 2001 Maxim Tsyplakov <tm@oganer.net>,
      *                    Vladimir Popov <jumbo@narod.ru>
      * All rights reserved.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _SYS_RADIOIO_H_
    #define _SYS_RADIOIO_H_
    
    #include <sys/param.h>
    #include <sys/ioccom.h>
    
    #define MIN_FM_FREQ     87500
    #define MAX_FM_FREQ     108000
    
    #define IF_FREQ 10700
    
    struct radio_info {
            int     mute;
            int     volume;
            int     stereo;
            int     rfreq;  /* reference frequency */
            int     lock;   /* locking field strength during an automatic search */
            uint32_t        freq;   /* in kHz */
            uint32_t        caps;   /* card capabilities */
    #define RADIO_CAPS_DETECT_STEREO        (1<<0)
    #define RADIO_CAPS_DETECT_SIGNAL        (1<<1)
    #define RADIO_CAPS_SET_MONO             (1<<2)
    #define RADIO_CAPS_HW_SEARCH            (1<<3)
    #define RADIO_CAPS_HW_AFC               (1<<4)
    #define RADIO_CAPS_REFERENCE_FREQ       (1<<5)
    #define RADIO_CAPS_LOCK_SENSITIVITY     (1<<6)
    #define RADIO_CAPS_RESERVED1            (1<<7)
    #define RADIO_CAPS_RESERVED2            (0xFF<<8)
    #define RADIO_CARD_TYPE                 (0xFF<<16)
            uint32_t        info;
    #define RADIO_INFO_STEREO               (1<<0)
    #define RADIO_INFO_SIGNAL               (1<<1)
    };
    
    /* Radio device operations */
    #define RIOCGINFO       _IOR('R', 21, struct radio_info) /* get info */
    #define RIOCSINFO       _IOWR('R', 22, struct radio_info) /* set info */
    #define RIOCSSRCH       _IOW('R', 23, int) /* search up/down */
    
    #endif /* _SYS_RADIOIO_H_ */

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