1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | Montage Technology TS2020 - Silicon Tuner driver |
4 | Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com> |
5 | |
6 | Copyright (C) 2009-2012 TurboSight.com |
7 | |
8 | */ |
9 | |
10 | #ifndef TS2020_H |
11 | #define TS2020_H |
12 | |
13 | #include <linux/dvb/frontend.h> |
14 | |
15 | struct ts2020_config { |
16 | u8 tuner_address; |
17 | u32 frequency_div; |
18 | |
19 | /* |
20 | * RF loop-through |
21 | */ |
22 | bool loop_through:1; |
23 | |
24 | /* |
25 | * clock output |
26 | */ |
27 | #define TS2020_CLK_OUT_DISABLED 0 |
28 | #define TS2020_CLK_OUT_ENABLED 1 |
29 | #define TS2020_CLK_OUT_ENABLED_XTALOUT 2 |
30 | u8 clk_out:2; |
31 | |
32 | /* |
33 | * clock output divider |
34 | * 1 - 31 |
35 | */ |
36 | u8 clk_out_div:5; |
37 | |
38 | /* Set to true to suppress stat polling */ |
39 | bool dont_poll:1; |
40 | |
41 | /* |
42 | * pointer to DVB frontend |
43 | */ |
44 | struct dvb_frontend *fe; |
45 | |
46 | /* |
47 | * driver private, do not set value |
48 | */ |
49 | u8 attach_in_use:1; |
50 | |
51 | /* Operation to be called by the ts2020 driver to get the value of the |
52 | * AGC PWM tuner input as theoretically output by the demodulator. |
53 | */ |
54 | int (*get_agc_pwm)(struct dvb_frontend *fe, u8 *_agc_pwm); |
55 | }; |
56 | |
57 | /* Do not add new ts2020_attach() users! Use I2C bindings instead. */ |
58 | #if IS_REACHABLE(CONFIG_DVB_TS2020) |
59 | extern struct dvb_frontend *ts2020_attach( |
60 | struct dvb_frontend *fe, |
61 | const struct ts2020_config *config, |
62 | struct i2c_adapter *i2c); |
63 | #else |
64 | static inline struct dvb_frontend *ts2020_attach( |
65 | struct dvb_frontend *fe, |
66 | const struct ts2020_config *config, |
67 | struct i2c_adapter *i2c) |
68 | { |
69 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
70 | return NULL; |
71 | } |
72 | #endif |
73 | |
74 | #endif /* TS2020_H */ |
75 | |