| 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 | Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver |
| 4 | |
| 5 | Copyright (C) 2005 Steven Toth <stoth@linuxtv.org> |
| 6 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #ifndef CX24123_H |
| 10 | #define CX24123_H |
| 11 | |
| 12 | #include <linux/dvb/frontend.h> |
| 13 | |
| 14 | struct cx24123_config { |
| 15 | /* the demodulator's i2c address */ |
| 16 | u8 demod_address; |
| 17 | |
| 18 | /* Need to set device param for start_dma */ |
| 19 | int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); |
| 20 | |
| 21 | /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ |
| 22 | int lnb_polarity; |
| 23 | |
| 24 | /* this device has another tuner */ |
| 25 | u8 dont_use_pll; |
| 26 | void (*agc_callback) (struct dvb_frontend *); |
| 27 | }; |
| 28 | |
| 29 | #if IS_REACHABLE(CONFIG_DVB_CX24123) |
| 30 | extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, |
| 31 | struct i2c_adapter *i2c); |
| 32 | extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *); |
| 33 | #else |
| 34 | static inline struct dvb_frontend *cx24123_attach( |
| 35 | const struct cx24123_config *config, struct i2c_adapter *i2c) |
| 36 | { |
| 37 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 38 | return NULL; |
| 39 | } |
| 40 | static inline struct i2c_adapter * |
| 41 | cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe) |
| 42 | { |
| 43 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 44 | return NULL; |
| 45 | } |
| 46 | #endif |
| 47 | |
| 48 | #endif /* CX24123_H */ |