xref: /linux/drivers/media/dvb-frontends/mn88472.h (revision 18f90d372cf35b387663f1567de701e5393f6eb5)
1 /*
2  * Panasonic MN88472 DVB-T/T2/C demodulator driver
3  *
4  * Copyright (C) 2013 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 MN88472_H
18 #define MN88472_H
19 
20 #include <linux/dvb/frontend.h>
21 
22 /* Define old names for backward compatibility */
23 #define VARIABLE_TS_CLOCK   MN88472_TS_CLK_VARIABLE
24 #define FIXED_TS_CLOCK      MN88472_TS_CLK_FIXED
25 #define SERIAL_TS_MODE      MN88472_TS_MODE_SERIAL
26 #define PARALLEL_TS_MODE    MN88472_TS_MODE_PARALLEL
27 
28 /**
29  * struct mn88472_config - Platform data for the mn88472 driver
30  * @xtal: Clock frequency.
31  * @ts_mode: TS mode.
32  * @ts_clock: TS clock config.
33  * @i2c_wr_max: Max number of bytes driver writes to I2C at once.
34  * @fe: pointer to a frontend pointer
35  * @get_dvb_frontend: Get DVB frontend callback.
36  */
37 struct mn88472_config {
38 	unsigned int xtal;
39 
40 #define MN88472_TS_MODE_SERIAL      0
41 #define MN88472_TS_MODE_PARALLEL    1
42 	int ts_mode;
43 
44 #define MN88472_TS_CLK_FIXED        0
45 #define MN88472_TS_CLK_VARIABLE     1
46 	int ts_clock;
47 
48 	u16 i2c_wr_max;
49 
50 	/* Everything after that is returned by the driver. */
51 
52 	/*
53 	 * DVB frontend.
54 	 */
55 	struct dvb_frontend **fe;
56 	struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
57 };
58 
59 #endif
60