| /* | |
| * 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 | |
| */ | |
| struct helene_config { | |
| u8 i2c_address; | |
| u8 xtal_freq_mhz; | |
| void *set_tuner_priv; | |
| int (*set_tuner_callback)(void *, int); | |
| enum helene_xtal xtal; | |
| }; | |
| #if IS_REACHABLE(CONFIG_DVB_HELENE) | |
| extern struct dvb_frontend *helene_attach(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; | |
| } | |
| #endif | |
| #if IS_REACHABLE(CONFIG_DVB_HELENE) | |
| 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_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 |