Malcolm Priestley | 1ae2c58 | 2010-08-28 18:07:37 -0300 | [diff] [blame] | 1 | /** |
| 2 | * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner |
| 3 | * |
| 4 | * Copyright (C) 2010 Malcolm Priestley |
| 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 Version 2, as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | */ |
| 19 | |
| 20 | #ifndef DVB_IX2505V_H |
| 21 | #define DVB_IX2505V_H |
| 22 | |
| 23 | #include <linux/i2c.h> |
| 24 | #include "dvb_frontend.h" |
| 25 | |
| 26 | /** |
| 27 | * Attach a ix2505v tuner to the supplied frontend structure. |
| 28 | * |
| 29 | * @param fe Frontend to attach to. |
| 30 | * @param config ix2505v_config structure |
| 31 | * @return FE pointer on success, NULL on failure. |
| 32 | */ |
| 33 | |
| 34 | struct ix2505v_config { |
| 35 | u8 tuner_address; |
| 36 | |
| 37 | /*Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB */ |
| 38 | u8 tuner_gain; |
| 39 | |
| 40 | /*Charge pump output +/- 0=120 1=260 2=555 3=1200(default) */ |
| 41 | u8 tuner_chargepump; |
| 42 | |
| 43 | /* delay after tune */ |
| 44 | int min_delay_ms; |
| 45 | |
| 46 | /* disables reads*/ |
| 47 | u8 tuner_write_only; |
| 48 | |
| 49 | }; |
| 50 | |
Arnd Bergmann | 9b17452 | 2015-02-18 14:12:42 -0300 | [diff] [blame] | 51 | #if IS_REACHABLE(CONFIG_DVB_IX2505V) |
Malcolm Priestley | 1ae2c58 | 2010-08-28 18:07:37 -0300 | [diff] [blame] | 52 | extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, |
| 53 | const struct ix2505v_config *config, struct i2c_adapter *i2c); |
| 54 | #else |
| 55 | static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, |
| 56 | const struct ix2505v_config *config, struct i2c_adapter *i2c) |
| 57 | { |
| 58 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 59 | return NULL; |
| 60 | } |
| 61 | #endif |
| 62 | |
| 63 | #endif /* DVB_IX2505V_H */ |