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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 |