1 /*
2 * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
3 *
4 * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
9 */
10 #ifndef DIB0070_H
11 #define DIB0070_H
12
13 struct dvb_frontend;
14 struct i2c_adapter;
15
16 #define DEFAULT_DIB0070_I2C_ADDRESS 0x60
17
18 struct dib0070_config {
19 u8 i2c_address;
20
21 /* tuner pins controlled externally */
22 int (*reset) (struct dvb_frontend *, int);
23 int (*sleep) (struct dvb_frontend *, int);
24
25 /* offset in kHz */
26 int freq_offset_khz_uhf;
27 int freq_offset_khz_vhf;
28
29 u8 osc_buffer_state; /* 0= normal, 1= tri-state */
30 u32 clock_khz;
31 u8 clock_pad_drive; /* (Drive + 1) * 2mA */
32
33 u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */
34
35 u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
36
37 u8 flip_chip;
38 };
39
40 #if defined(CONFIG_DVB_TUNER_DIB0070) || (defined(CONFIG_DVB_TUNER_DIB0070_MODULE) && defined(MODULE))
41 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe,
42 struct i2c_adapter *i2c,
43 struct dib0070_config *cfg);
44 extern u16 dib0070_wbd_offset(struct dvb_frontend *);
45 #else
46 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe,
47 struct i2c_adapter *i2c,
48 struct dib0070_config *cfg)
49 {
50 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
51 return NULL;
52 }
53
54 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
55 {
56 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57 return -ENODEV;
58 }
59 #endif
60
61 #endif
62
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