| /* 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 |
