1 /*
2 * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
3 *
4 * Copyright (c) 2006 Olivier DANET <odanet@caramail.com>
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 *
15 * GNU General Public License for more details.
16 */
17
18 #ifndef MT2060_H
19 #define MT2060_H
20
21 struct dvb_frontend;
22 struct i2c_adapter;
23
24 /*
25 * I2C address
26 * 0x60, ...
27 */
28
29 /**
30 * struct mt2060_platform_data - Platform data for the mt2060 driver
31 * @clock_out: Clock output setting. 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1.
32 * @if1: First IF used [MHz]. 0 defaults to 1220.
33 * @i2c_write_max: Maximum number of bytes I2C adapter can write at once.
34 * 0 defaults to maximum.
35 * @dvb_frontend: DVB frontend.
36 */
37
38 struct mt2060_platform_data {
39 u8 clock_out;
40 u16 if1;
41 unsigned int i2c_write_max:5;
42 struct dvb_frontend *dvb_frontend;
43 };
44
45
46 /* configuration struct for mt2060_attach() */
47 struct mt2060_config {
48 u8 i2c_address;
49 u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
50 };
51
52 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2060)
53 extern struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1);
54 #else
mt2060_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,struct mt2060_config * cfg,u16 if1)55 static inline struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1)
56 {
57 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
58 return NULL;
59 }
60 #endif // CONFIG_MEDIA_TUNER_MT2060
61
62 #endif
63