| /** |
| * 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. |
| */ |
| |
| #ifndef DVB_IX2505V_H |
| #define DVB_IX2505V_H |
| |
| #include <linux/i2c.h> |
| #include <media/dvb_frontend.h> |
| |
| /** |
| * struct ix2505v_config - ix2505 attachment configuration |
| * |
| * @tuner_address: tuner address |
| * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB |
| * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default) |
| * @min_delay_ms: delay after tune |
| * @tuner_write_only: disables reads |
| */ |
| struct ix2505v_config { |
| u8 tuner_address; |
| u8 tuner_gain; |
| u8 tuner_chargepump; |
| int min_delay_ms; |
| u8 tuner_write_only; |
| |
| }; |
| |
| #if IS_REACHABLE(CONFIG_DVB_IX2505V) |
| /** |
| * Attach a ix2505v tuner to the supplied frontend structure. |
| * |
| * @fe: Frontend to attach to. |
| * @config: pointer to &struct ix2505v_config |
| * @i2c: pointer to &struct i2c_adapter. |
| * |
| * return: FE pointer on success, NULL on failure. |
| */ |
| 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 */ |
