| /** |
| * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner |
| * |
| * Copyright (C) 2010 Malcolm Priestley |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License Version 2, as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef DVB_IX2505V_H |
| #define DVB_IX2505V_H |
| |
| #include <linux/kconfig.h> |
| #include <linux/i2c.h> |
| #include "dvb_frontend.h" |
| |
| /** |
| * Attach a ix2505v tuner to the supplied frontend structure. |
| * |
| * @param fe Frontend to attach to. |
| * @param config ix2505v_config structure |
| * @return FE pointer on success, NULL on failure. |
| */ |
| |
| struct ix2505v_config { |
| u8 tuner_address; |
| |
| /*Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB */ |
| u8 tuner_gain; |
| |
| /*Charge pump output +/- 0=120 1=260 2=555 3=1200(default) */ |
| u8 tuner_chargepump; |
| |
| /* delay after tune */ |
| int min_delay_ms; |
| |
| /* disables reads*/ |
| u8 tuner_write_only; |
| |
| }; |
| |
| #if IS_ENABLED(CONFIG_DVB_IX2505V) |
| extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, |
| const struct ix2505v_config *config, struct i2c_adapter *i2c); |
| #else |
| static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, |
| const struct ix2505v_config *config, struct i2c_adapter *i2c) |
| { |
| printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| return NULL; |
| } |
| #endif |
| |
| #endif /* DVB_IX2505V_H */ |
