| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame^] | 1 | /* |
| 2 | Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver |
| 3 | |
| 4 | Copyright (C) 2005 Steven Toth <stoth@linuxtv.org> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef CX24123_H |
| 22 | #define CX24123_H |
| 23 | |
| 24 | #include <linux/dvb/frontend.h> |
| 25 | |
| 26 | struct cx24123_config { |
| 27 | /* the demodulator's i2c address */ |
| 28 | u8 demod_address; |
| 29 | |
| 30 | /* Need to set device param for start_dma */ |
| 31 | int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); |
| 32 | |
| 33 | /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ |
| 34 | int lnb_polarity; |
| 35 | |
| 36 | /* this device has another tuner */ |
| 37 | u8 dont_use_pll; |
| 38 | void (*agc_callback) (struct dvb_frontend *); |
| 39 | }; |
| 40 | |
| 41 | #if IS_REACHABLE(CONFIG_DVB_CX24123) |
| 42 | extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, |
| 43 | struct i2c_adapter *i2c); |
| 44 | extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *); |
| 45 | #else |
| 46 | static inline struct dvb_frontend *cx24123_attach( |
| 47 | const struct cx24123_config *config, struct i2c_adapter *i2c) |
| 48 | { |
| 49 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 50 | return NULL; |
| 51 | } |
| 52 | static inline struct i2c_adapter * |
| 53 | cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe) |
| 54 | { |
| 55 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 56 | return NULL; |
| 57 | } |
| 58 | #endif |
| 59 | |
| 60 | #endif /* CX24123_H */ |