| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * ascot2e.h | |
| * | |
| * Sony Ascot3E DVB-T/T2/C/C2 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> | |
| */ | |
| #ifndef __DVB_ASCOT2E_H__ | |
| #define __DVB_ASCOT2E_H__ | |
| #include <linux/dvb/frontend.h> | |
| #include <linux/i2c.h> | |
| /** | |
| * struct ascot2e_config - the configuration of Ascot2E 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 ascot2e_config { | |
| u8 i2c_address; | |
| u8 xtal_freq_mhz; | |
| void *set_tuner_priv; | |
| int (*set_tuner_callback)(void *, int); | |
| }; | |
| #if IS_REACHABLE(CONFIG_DVB_ASCOT2E) | |
| /** | |
| * Attach an ascot2e tuner | |
| * | |
| * @fe: frontend to be attached | |
| * @config: pointer to &struct ascot2e_config with tuner configuration. | |
| * @i2c: i2c adapter to use. | |
| * | |
| * return: FE pointer on success, NULL on failure. | |
| */ | |
| extern struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe, | |
| const struct ascot2e_config *config, | |
| struct i2c_adapter *i2c); | |
| #else | |
| static inline struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe, | |
| const struct ascot2e_config *config, | |
| struct i2c_adapter *i2c) | |
| { | |
| printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| return NULL; | |
| } | |
| #endif | |
| #endif |