projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| dacf9ce8 KS |
1 | /* |
| 2 | * ascot2e.h | |
| 3 | * | |
| 4 | * Sony Ascot3E DVB-T/T2/C/C2 tuner driver | |
| 5 | * | |
| 6 | * Copyright 2012 Sony Corporation | |
| 7 | * Copyright (C) 2014 NetUP Inc. | |
| 8 | * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> | |
| 9 | * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or modify | |
| 12 | * it under the terms of the GNU General Public License as published by | |
| 13 | * the Free Software Foundation; either version 2 of the License, or | |
| 14 | * (at your option) any later version. | |
| 15 | * | |
| 16 | * This program is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 | * GNU General Public License for more details. | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef __DVB_ASCOT2E_H__ | |
| 23 | #define __DVB_ASCOT2E_H__ | |
| 24 | ||
| dacf9ce8 KS |
25 | #include <linux/dvb/frontend.h> |
| 26 | #include <linux/i2c.h> | |
| 27 | ||
| 28 | /** | |
| 29 | * struct ascot2e_config - the configuration of Ascot2E tuner driver | |
| 30 | * @i2c_address: I2C address of the tuner | |
| 31 | * @xtal_freq_mhz: Oscillator frequency, MHz | |
| 32 | * @set_tuner_priv: Callback function private context | |
| 33 | * @set_tuner_callback: Callback function that notifies the parent driver | |
| 34 | * which tuner is active now | |
| 35 | */ | |
| 36 | struct ascot2e_config { | |
| 37 | u8 i2c_address; | |
| 38 | u8 xtal_freq_mhz; | |
| 39 | void *set_tuner_priv; | |
| 40 | int (*set_tuner_callback)(void *, int); | |
| 41 | }; | |
| 42 | ||
| 43 | #if IS_REACHABLE(CONFIG_DVB_ASCOT2E) | |
| be9b53c8 MCC |
44 | /** |
| 45 | * Attach an ascot2e tuner | |
| 46 | * | |
| 47 | * @fe: frontend to be attached | |
| 48 | * @config: pointer to &struct ascot2e_config with tuner configuration. | |
| 49 | * @i2c: i2c adapter to use. | |
| 50 | * | |
| 51 | * return: FE pointer on success, NULL on failure. | |
| 52 | */ | |
| dacf9ce8 KS |
53 | extern struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe, |
| 54 | const struct ascot2e_config *config, | |
| 55 | struct i2c_adapter *i2c); | |
| 56 | #else | |
| 57 | static inline struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe, | |
| 58 | const struct ascot2e_config *config, | |
| 59 | struct i2c_adapter *i2c) | |
| 60 | { | |
| 61 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 62 | return NULL; | |
| 63 | } | |
| 64 | #endif | |
| 65 | ||
| 66 | #endif |