| 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 |  | 
|  | 51 | #if defined(CONFIG_DVB_IX2505V) || \ | 
|  | 52 | (defined(CONFIG_DVB_IX2505V_MODULE) && defined(MODULE)) | 
|  | 53 | extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, | 
|  | 54 | const struct ix2505v_config *config, struct i2c_adapter *i2c); | 
|  | 55 | #else | 
|  | 56 | static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, | 
|  | 57 | const struct ix2505v_config *config, struct i2c_adapter *i2c) | 
|  | 58 | { | 
|  | 59 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 
|  | 60 | return NULL; | 
|  | 61 | } | 
|  | 62 | #endif | 
|  | 63 |  | 
|  | 64 | #endif /* DVB_IX2505V_H */ |