/* $OpenBSD: radioio.h,v 1.5 2015/01/14 21:15:36 deraadt 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/types.h>

#define MIN_FM_FREQ     87500
#define MAX_FM_FREQ     108000

#define MIN_TV_CHAN     0
#define MAX_TV_CHAN     150

#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 */
        u_int32_t       freq;   /* in kHz */
        u_int32_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)
        u_int32_t       info;
#define RADIO_INFO_STEREO               (1<<0)
#define RADIO_INFO_SIGNAL               (1<<1)
        u_int32_t       tuner_mode;
#define RADIO_TUNER_MODE_RADIO         (1<<0)
#define RADIO_TUNER_MODE_TV            (1<<1)
        u_int32_t       chan;
        u_int32_t       chnlset;
};

/* 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_ */