1/* $NetBSD: radioio.h,v 1.3 2015/09/06 06:01:02 dholland 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#include <sys/ioccom.h>
36
37#define MIN_FM_FREQ	87500
38#define MAX_FM_FREQ	108000
39
40#define IF_FREQ	10700
41
42struct radio_info {
43	int	mute;
44	int	volume;
45	int	stereo;
46	int	rfreq;	/* reference frequency */
47	int	lock;	/* locking field strength during an automatic search */
48	uint32_t	freq;	/* in kHz */
49	uint32_t	caps;	/* card capabilities */
50#define RADIO_CAPS_DETECT_STEREO	(1<<0)
51#define RADIO_CAPS_DETECT_SIGNAL	(1<<1)
52#define RADIO_CAPS_SET_MONO		(1<<2)
53#define RADIO_CAPS_HW_SEARCH		(1<<3)
54#define RADIO_CAPS_HW_AFC		(1<<4)
55#define RADIO_CAPS_REFERENCE_FREQ	(1<<5)
56#define RADIO_CAPS_LOCK_SENSITIVITY	(1<<6)
57#define RADIO_CAPS_RESERVED1		(1<<7)
58#define RADIO_CAPS_RESERVED2		(0xFF<<8)
59#define RADIO_CARD_TYPE			(0xFF<<16)
60	uint32_t	info;
61#define RADIO_INFO_STEREO		(1<<0)
62#define RADIO_INFO_SIGNAL		(1<<1)
63};
64
65/* Radio device operations */
66#define RIOCGINFO	_IOR('R', 21, struct radio_info) /* get info */
67#define RIOCSINFO	_IOWR('R', 22, struct radio_info) /* set info */
68#define RIOCSSRCH	_IOW('R', 23, int) /* search up/down */
69
70#endif /* _SYS_RADIOIO_H_ */