xref: /netbsd/sys/dev/i2c/xc5kvar.h (revision 6550d01e)
1 /* $NetBSD: xc5kvar.h,v 1.1 2010/12/27 15:42:11 jmcneill Exp $ */
2 
3 /*-
4  * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _XC5KVAR_H
30 #define _XC5KVAR_H
31 
32 #include <dev/i2c/i2cvar.h>
33 #include <dev/video_if.h>
34 
35 typedef int (*xc5k_reset_cb)(void *);
36 
37 struct xc5k {
38 	device_t	parent;
39 	i2c_tag_t	i2c;
40 	i2c_addr_t	i2c_addr;
41 
42 	xc5k_reset_cb	reset;
43 	void		*reset_priv;
44 };
45 
46 struct xc5k_params {
47 	uint16_t		signal_source;
48 	uint32_t		frequency;
49 	enum video_standard	standard;
50 };
51 
52 struct xc5k *	xc5k_open(device_t, i2c_tag_t, i2c_addr_t,
53 			  xc5k_reset_cb, void *);
54 void		xc5k_close(struct xc5k *);
55 int		xc5k_tune(struct xc5k *, struct xc5k_params *);
56 
57 #endif /* !_XC5KVAR_H */
58