| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |