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_wbd_gain_cfg {
19 	u16 freq;
20 	u16 wbd_gain_val;
21 };
22 
23 struct dib0070_config {
24 	u8 i2c_address;
25 
26 	/* tuner pins controlled externally */
27 	int (*reset) (struct dvb_frontend *, int);
28 	int (*sleep) (struct dvb_frontend *, int);
29 
30 	/*  offset in kHz */
31 	int freq_offset_khz_uhf;
32 	int freq_offset_khz_vhf;
33 
34 	u8 osc_buffer_state;	/* 0= normal, 1= tri-state */
35 	u32 clock_khz;
36 	u8 clock_pad_drive;	/* (Drive + 1) * 2mA */
37 
38 	u8 invert_iq;		/* invert Q - in case I or Q is inverted on the board */
39 
40 	u8 force_crystal_mode;	/* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
41 
42 	u8 flip_chip;
43 	u8 enable_third_order_filter;
44 	u8 charge_pump;
45 
46 	const struct dib0070_wbd_gain_cfg *wbd_gain;
47 
48 	u8 vga_filter;
49 };
50 
51 #if IS_ENABLED(CONFIG_DVB_TUNER_DIB0070)
52 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
53 extern u16 dib0070_wbd_offset(struct dvb_frontend *);
54 extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
55 extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
56 extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
57 #else
58 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
59 {
60 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
61 	return NULL;
62 }
63 
64 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
65 {
66 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
67 	return 0;
68 }
69 
70 static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
71 {
72 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
73 }
74 #endif
75 
76 #endif
77