1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
4  *
5  * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
6  */
7 #ifndef DIB0070_H
8 #define DIB0070_H
9 
10 struct dvb_frontend;
11 struct i2c_adapter;
12 
13 #define DEFAULT_DIB0070_I2C_ADDRESS 0x60
14 
15 struct dib0070_wbd_gain_cfg {
16 	u16 freq;
17 	u16 wbd_gain_val;
18 };
19 
20 struct dib0070_config {
21 	u8 i2c_address;
22 
23 	/* tuner pins controlled externally */
24 	int (*reset) (struct dvb_frontend *, int);
25 	int (*sleep) (struct dvb_frontend *, int);
26 
27 	/*  offset in kHz */
28 	int freq_offset_khz_uhf;
29 	int freq_offset_khz_vhf;
30 
31 	u8 osc_buffer_state;	/* 0= normal, 1= tri-state */
32 	u32 clock_khz;
33 	u8 clock_pad_drive;	/* (Drive + 1) * 2mA */
34 
35 	u8 invert_iq;		/* invert Q - in case I or Q is inverted on the board */
36 
37 	u8 force_crystal_mode;	/* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
38 
39 	u8 flip_chip;
40 	u8 enable_third_order_filter;
41 	u8 charge_pump;
42 
43 	const struct dib0070_wbd_gain_cfg *wbd_gain;
44 
45 	u8 vga_filter;
46 };
47 
48 #if IS_REACHABLE(CONFIG_DVB_TUNER_DIB0070)
49 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
50 extern u16 dib0070_wbd_offset(struct dvb_frontend *);
51 extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
52 extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
53 extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
54 #else
55 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
56 {
57 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
58 	return NULL;
59 }
60 
61 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
62 {
63 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
64 	return 0;
65 }
66 
67 static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
68 {
69 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
70 }
71 #endif
72 
73 #endif
74