projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2dc1ed4e AO |
1 | /* |
| 2 | * helene.h | |
| 3 | * | |
| 4 | * Sony HELENE DVB-S/S2/T/T2/C/C2/ISDB-T/S tuner driver (CXD2858ER) | |
| 5 | * | |
| 6 | * Copyright 2012 Sony Corporation | |
| 7 | * Copyright (C) 2014 NetUP Inc. | |
| 8 | * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License as published by | |
| 12 | * the Free Software Foundation; either version 2 of the License, or | |
| 13 | * (at your option) any later version. | |
| 14 | * | |
| 15 | * This program is distributed in the hope that it will be useful, | |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | * GNU General Public License for more details. | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef __DVB_HELENE_H__ | |
| 22 | #define __DVB_HELENE_H__ | |
| 23 | ||
| 2dc1ed4e AO |
24 | #include <linux/dvb/frontend.h> |
| 25 | #include <linux/i2c.h> | |
| 26 | ||
| 27 | enum helene_xtal { | |
| 28 | SONY_HELENE_XTAL_16000, /* 16 MHz */ | |
| 29 | SONY_HELENE_XTAL_20500, /* 20.5 MHz */ | |
| 30 | SONY_HELENE_XTAL_24000, /* 24 MHz */ | |
| 31 | SONY_HELENE_XTAL_41000 /* 41 MHz */ | |
| 32 | }; | |
| 33 | ||
| 34 | /** | |
| 35 | * struct helene_config - the configuration of 'Helene' tuner driver | |
| 36 | * @i2c_address: I2C address of the tuner | |
| 37 | * @xtal_freq_mhz: Oscillator frequency, MHz | |
| 38 | * @set_tuner_priv: Callback function private context | |
| 39 | * @set_tuner_callback: Callback function that notifies the parent driver | |
| 40 | * which tuner is active now | |
| b95b0c98 | 41 | * @xtal: Cristal frequency as described by &enum helene_xtal |
| 2dc1ed4e AO |
42 | */ |
| 43 | struct helene_config { | |
| 44 | u8 i2c_address; | |
| 45 | u8 xtal_freq_mhz; | |
| 46 | void *set_tuner_priv; | |
| 47 | int (*set_tuner_callback)(void *, int); | |
| 48 | enum helene_xtal xtal; | |
| 49 | }; | |
| 50 | ||
| 51 | #if IS_REACHABLE(CONFIG_DVB_HELENE) | |
| be9b53c8 MCC |
52 | /** |
| 53 | * Attach a helene tuner (terrestrial and cable standards) | |
| 54 | * | |
| 55 | * @fe: frontend to be attached | |
| 56 | * @config: pointer to &struct helene_config with tuner configuration. | |
| 57 | * @i2c: i2c adapter to use. | |
| 58 | * | |
| 59 | * return: FE pointer on success, NULL on failure. | |
| 60 | */ | |
| 2dc1ed4e AO |
61 | extern struct dvb_frontend *helene_attach(struct dvb_frontend *fe, |
| 62 | const struct helene_config *config, | |
| 63 | struct i2c_adapter *i2c); | |
| be9b53c8 MCC |
64 | |
| 65 | /** | |
| 66 | * Attach a helene tuner (satellite standards) | |
| 67 | * | |
| 68 | * @fe: frontend to be attached | |
| 69 | * @config: pointer to &struct helene_config with tuner configuration. | |
| 70 | * @i2c: i2c adapter to use. | |
| 71 | * | |
| 72 | * return: FE pointer on success, NULL on failure. | |
| 73 | */ | |
| 74 | extern struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe, | |
| 75 | const struct helene_config *config, | |
| 76 | struct i2c_adapter *i2c); | |
| 2dc1ed4e AO |
77 | #else |
| 78 | static inline struct dvb_frontend *helene_attach(struct dvb_frontend *fe, | |
| 79 | const struct helene_config *config, | |
| 80 | struct i2c_adapter *i2c) | |
| 81 | { | |
| 82 | pr_warn("%s: driver disabled by Kconfig\n", __func__); | |
| 83 | return NULL; | |
| 84 | } | |
| 2dc1ed4e AO |
85 | static inline struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe, |
| 86 | const struct helene_config *config, | |
| 87 | struct i2c_adapter *i2c) | |
| 88 | { | |
| 89 | pr_warn("%s: driver disabled by Kconfig\n", __func__); | |
| 90 | return NULL; | |
| 91 | } | |
| 92 | #endif | |
| 93 | ||
| 94 | #endif |