1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun #ifndef DIB0070_H
8*4882a593Smuzhiyun #define DIB0070_H
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun struct dvb_frontend;
11*4882a593Smuzhiyun struct i2c_adapter;
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #define DEFAULT_DIB0070_I2C_ADDRESS 0x60
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun struct dib0070_wbd_gain_cfg {
16*4882a593Smuzhiyun u16 freq;
17*4882a593Smuzhiyun u16 wbd_gain_val;
18*4882a593Smuzhiyun };
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun struct dib0070_config {
21*4882a593Smuzhiyun u8 i2c_address;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun /* tuner pins controlled externally */
24*4882a593Smuzhiyun int (*reset) (struct dvb_frontend *, int);
25*4882a593Smuzhiyun int (*sleep) (struct dvb_frontend *, int);
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun /* offset in kHz */
28*4882a593Smuzhiyun int freq_offset_khz_uhf;
29*4882a593Smuzhiyun int freq_offset_khz_vhf;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun u8 osc_buffer_state; /* 0= normal, 1= tri-state */
32*4882a593Smuzhiyun u32 clock_khz;
33*4882a593Smuzhiyun u8 clock_pad_drive; /* (Drive + 1) * 2mA */
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun u8 flip_chip;
40*4882a593Smuzhiyun u8 enable_third_order_filter;
41*4882a593Smuzhiyun u8 charge_pump;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun const struct dib0070_wbd_gain_cfg *wbd_gain;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun u8 vga_filter;
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_TUNER_DIB0070)
49*4882a593Smuzhiyun extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
50*4882a593Smuzhiyun extern u16 dib0070_wbd_offset(struct dvb_frontend *);
51*4882a593Smuzhiyun extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
52*4882a593Smuzhiyun extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
53*4882a593Smuzhiyun extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
54*4882a593Smuzhiyun #else
dib0070_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,struct dib0070_config * cfg)55*4882a593Smuzhiyun static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
58*4882a593Smuzhiyun return NULL;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
dib0070_wbd_offset(struct dvb_frontend * fe)61*4882a593Smuzhiyun static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
64*4882a593Smuzhiyun return 0;
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
dib0070_ctrl_agc_filter(struct dvb_frontend * fe,u8 open)67*4882a593Smuzhiyun static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
68*4882a593Smuzhiyun {
69*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
70*4882a593Smuzhiyun }
71*4882a593Smuzhiyun #endif
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun #endif
74