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
10struct dvb_frontend;
11struct i2c_adapter;
12
13#define DEFAULT_DIB0070_I2C_ADDRESS 0x60
14
15struct dib0070_wbd_gain_cfg {
16 u16 freq;
17 u16 wbd_gain_val;
18};
19
20struct 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)
49extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
50extern u16 dib0070_wbd_offset(struct dvb_frontend *);
51extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
52extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
53extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
54#else
55static 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
61static 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
67static 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

source code of linux/drivers/media/dvb-frontends/dib0070.h