1 /* 2 * horus3a.h 3 * 4 * Sony Horus3A DVB-S/S2 tuner driver 5 * 6 * Copyright 2012 Sony Corporation 7 * Copyright (C) 2014 NetUP Inc. 8 * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> 9 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 */ 21 22 #ifndef __DVB_HORUS3A_H__ 23 #define __DVB_HORUS3A_H__ 24 25 #include <linux/kconfig.h> 26 #include <linux/dvb/frontend.h> 27 #include <linux/i2c.h> 28 29 /** 30 * struct horus3a_config - the configuration of Horus3A tuner driver 31 * @i2c_address: I2C address of the tuner 32 * @xtal_freq_mhz: Oscillator frequency, MHz 33 * @set_tuner_priv: Callback function private context 34 * @set_tuner_callback: Callback function that notifies the parent driver 35 * which tuner is active now 36 */ 37 struct horus3a_config { 38 u8 i2c_address; 39 u8 xtal_freq_mhz; 40 void *set_tuner_priv; 41 int (*set_tuner_callback)(void *, int); 42 }; 43 44 #if IS_REACHABLE(CONFIG_DVB_HORUS3A) 45 extern struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, 46 const struct horus3a_config *config, 47 struct i2c_adapter *i2c); 48 #else 49 static inline struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, 50 const struct horus3a_config *config, 51 struct i2c_adapter *i2c) 52 { 53 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 54 return NULL; 55 } 56 #endif 57 58 #endif 59