/* * helene.h * * Sony HELENE DVB-S/S2/T/T2/C/C2/ISDB-T/S tuner driver (CXD2858ER) * * Copyright 2012 Sony Corporation * Copyright (C) 2014 NetUP Inc. * 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_HELENE_H__ #define __DVB_HELENE_H__ #include <linux/dvb/frontend.h> #include <linux/i2c.h> enum helene_xtal { SONY_HELENE_XTAL_16000, /* 16 MHz */ SONY_HELENE_XTAL_20500, /* 20.5 MHz */ SONY_HELENE_XTAL_24000, /* 24 MHz */ SONY_HELENE_XTAL_41000 /* 41 MHz */ }; /** * struct helene_config - the configuration of 'Helene' 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 * @xtal: Cristal frequency as described by &enum helene_xtal * @fe: Frontend for which connects this tuner */ struct helene_config { u8 i2c_address; u8 xtal_freq_mhz; void *set_tuner_priv; int (*set_tuner_callback)(void *, int); enum helene_xtal xtal; struct dvb_frontend *fe; }; #if IS_REACHABLE(CONFIG_DVB_HELENE) /** * Attach a helene tuner (terrestrial and cable standards) * * @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 *helene_attach(struct dvb_frontend *fe, const struct helene_config *config, struct i2c_adapter *i2c); /** * Attach a helene tuner (satellite standards) * * @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 *helene_attach_s(struct dvb_frontend *fe, const struct helene_config *config, struct i2c_adapter *i2c); #else static inline struct dvb_frontend *helene_attach(struct dvb_frontend *fe, const struct helene_config *config, struct i2c_adapter *i2c) { pr_warn("%s: driver disabled by Kconfig\n", __func__); return NULL; } static inline struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe, const struct helene_config *config, struct i2c_adapter *i2c) { pr_warn("%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif #endif