| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
|---|
| 2 | /* |
|---|
| 3 | * Driver for |
|---|
| 4 | * Samsung S5H1420 and |
|---|
| 5 | * PnpNetwork PN1010 QPSK Demodulator |
|---|
| 6 | * |
|---|
| 7 | * Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net> |
|---|
| 8 | * Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org> |
|---|
| 9 | */ |
|---|
| 10 | #ifndef S5H1420_H |
|---|
| 11 | #define S5H1420_H |
|---|
| 12 | |
|---|
| 13 | #include <linux/dvb/frontend.h> |
|---|
| 14 | |
|---|
| 15 | struct s5h1420_config |
|---|
| 16 | { |
|---|
| 17 | /* the demodulator's i2c address */ |
|---|
| 18 | u8 demod_address; |
|---|
| 19 | |
|---|
| 20 | /* does the inversion require inversion? */ |
|---|
| 21 | u8 invert:1; |
|---|
| 22 | |
|---|
| 23 | u8 repeated_start_workaround:1; |
|---|
| 24 | u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */ |
|---|
| 25 | |
|---|
| 26 | u8 serial_mpeg:1; |
|---|
| 27 | }; |
|---|
| 28 | |
|---|
| 29 | #if IS_REACHABLE(CONFIG_DVB_S5H1420) |
|---|
| 30 | extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config, |
|---|
| 31 | struct i2c_adapter *i2c); |
|---|
| 32 | extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe); |
|---|
| 33 | #else |
|---|
| 34 | static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config, |
|---|
| 35 | struct i2c_adapter *i2c) |
|---|
| 36 | { |
|---|
| 37 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
|---|
| 38 | return NULL; |
|---|
| 39 | } |
|---|
| 40 | |
|---|
| 41 | static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe) |
|---|
| 42 | { |
|---|
| 43 | return NULL; |
|---|
| 44 | } |
|---|
| 45 | #endif // CONFIG_DVB_S5H1420 |
|---|
| 46 | |
|---|
| 47 | #endif // S5H1420_H |
|---|
| 48 | |
|---|
