/* 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) /** * ascot2e_attach - 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