xref: /openbmc/linux/drivers/media/tuners/tua9001.h (revision e2c75e76)
1 /*
2  * Infineon TUA9001 silicon tuner driver
3  *
4  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
5  *
6  *    This program is free software; you can redistribute it and/or modify
7  *    it under the terms of the GNU General Public License as published by
8  *    the Free Software Foundation; either version 2 of the License, or
9  *    (at your option) any later version.
10  *
11  *    This program is distributed in the hope that it will be useful,
12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *    GNU General Public License for more details.
15  */
16 
17 #ifndef TUA9001_H
18 #define TUA9001_H
19 
20 #include <media/dvb_frontend.h>
21 
22 /*
23  * I2C address
24  * 0x60,
25  */
26 
27 /**
28  * struct tua9001_platform_data - Platform data for the tua9001 driver
29  * @dvb_frontend: DVB frontend.
30  */
31 struct tua9001_platform_data {
32 	struct dvb_frontend *dvb_frontend;
33 };
34 
35 /*
36  * TUA9001 I/O PINs:
37  *
38  * CEN - chip enable
39  * 0 = chip disabled (chip off)
40  * 1 = chip enabled (chip on)
41  *
42  * RESETN - chip reset
43  * 0 = reset disabled (chip reset off)
44  * 1 = reset enabled (chip reset on)
45  *
46  * RXEN - RX enable
47  * 0 = RX disabled (chip idle)
48  * 1 = RX enabled (chip tuned)
49  */
50 
51 #define TUA9001_CMD_CEN     0
52 #define TUA9001_CMD_RESETN  1
53 #define TUA9001_CMD_RXEN    2
54 
55 #endif
56