| 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 | |