1 /* $NetBSD: au8522var.h,v 1.4 2011/07/10 00:47:34 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 _AU8522VAR_H
30 #define _AU8522VAR_H
31 
32 #include <dev/i2c/i2cvar.h>
33 #include <dev/dtv/dtvio.h>
34 
35 struct au8522 {
36           device_t  parent;
37           i2c_tag_t i2c;
38           i2c_addr_t          i2c_addr;
39 
40           unsigned int        if_freq;
41 
42           fe_modulation_t     current_modulation;
43 };
44 
45 typedef enum {
46           AU8522_VINPUT_UNCONF = -1,
47           AU8522_VINPUT_NONE = 0,
48           AU8522_VINPUT_CVBS,
49           AU8522_VINPUT_CVBS_TUNER,
50           AU8522_VINPUT_SVIDEO,
51 } au8522_vinput_t;
52 
53 typedef enum {
54           AU8522_AINPUT_UNCONF = -1,
55           AU8522_AINPUT_NONE = 0,
56           AU8522_AINPUT_SIF,
57 } au8522_ainput_t;
58 
59 struct au8522 *     au8522_open(device_t, i2c_tag_t, i2c_addr_t, unsigned int);
60 void                au8522_close(struct au8522 *);
61 
62 void                au8522_enable(struct au8522 *, bool);
63 void                au8522_set_input(struct au8522 *,
64                                          au8522_vinput_t, au8522_ainput_t);
65 int                 au8522_get_signal(struct au8522 *);
66 void                au8522_set_audio(struct au8522 *, bool);
67 int                 au8522_set_modulation(struct au8522 *, fe_modulation_t);
68 void                au8522_set_gate(struct au8522 *, bool);
69 fe_status_t         au8522_get_dtv_status(struct au8522 *);
70 uint16_t  au8522_get_snr(struct au8522 *);
71 
72 #endif /* !_AU8522VAR_H */
73