/* * horus3a.h * * Sony Horus3A DVB-S/S2 tuner driver * * Copyright 2012 Sony Corporation * Copyright (C) 2014 NetUP Inc. * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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_HORUS3A_H__ #define __DVB_HORUS3A_H__ #include <linux/dvb/frontend.h> #include <linux/i2c.h> /** * struct horus3a_config - the configuration of Horus3A tuner driver * @i2c_address: I2C address of the tuner * @xtal_freq_mhz: Oscillator frequency, MHz * @set_tuner_priv: Callback function private context * @set_tuner_callback: Callback function that notifies the parent driver * which tuner is active now */ struct horus3a_config { u8 i2c_address; u8 xtal_freq_mhz; void *set_tuner_priv; int (*set_tuner_callback)(void *, int); }; #if IS_REACHABLE(CONFIG_DVB_HORUS3A) /** * Attach a horus3a tuner * * @fe: frontend to be attached * @config: pointer to &struct helene_config with tuner configuration. * @i2c: i2c adapter to use. * * return: FE pointer on success, NULL on failure. */ extern struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, const struct horus3a_config *config, struct i2c_adapter *i2c); #else static inline struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, const struct horus3a_config *config, struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif #endif