| /* |
| * 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/kconfig.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 |