1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Elonics R820T silicon tuner driver |
4 | * |
5 | * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> |
6 | */ |
7 | |
8 | #ifndef R820T_H |
9 | #define R820T_H |
10 | |
11 | #include <media/dvb_frontend.h> |
12 | |
13 | enum r820t_chip { |
14 | CHIP_R820T, |
15 | CHIP_R620D, |
16 | CHIP_R828D, |
17 | CHIP_R828, |
18 | CHIP_R828S, |
19 | CHIP_R820C, |
20 | }; |
21 | |
22 | struct r820t_config { |
23 | u8 i2c_addr; /* 0x34 */ |
24 | u32 xtal; |
25 | enum r820t_chip rafael_chip; |
26 | unsigned max_i2c_msg_len; |
27 | bool use_diplexer; |
28 | bool use_predetect; |
29 | }; |
30 | |
31 | #if IS_REACHABLE(CONFIG_MEDIA_TUNER_R820T) |
32 | struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, |
33 | struct i2c_adapter *i2c, |
34 | const struct r820t_config *cfg); |
35 | #else |
36 | static inline struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, |
37 | struct i2c_adapter *i2c, |
38 | const struct r820t_config *cfg) |
39 | { |
40 | pr_warn("%s: driver disabled by Kconfig\n" , __func__); |
41 | return NULL; |
42 | } |
43 | #endif |
44 | |
45 | #endif |
46 | |