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1ae2c589 MP |
1 | /** |
2 | * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner | |
3 | * | |
4 | * Copyright (C) 2010 Malcolm Priestley | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License Version 2, as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
1ae2c589 MP |
14 | */ |
15 | ||
16 | #ifndef DVB_IX2505V_H | |
17 | #define DVB_IX2505V_H | |
18 | ||
19 | #include <linux/i2c.h> | |
20 | #include "dvb_frontend.h" | |
21 | ||
be9b53c8 MCC |
22 | /** |
23 | * struct ix2505v_config - ix2505 attachment configuration | |
24 | * | |
25 | * @tuner_address: tuner address | |
26 | * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB | |
27 | * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default) | |
28 | * @min_delay_ms: delay after tune | |
29 | * @tuner_write_only: disables reads | |
30 | */ | |
1ae2c589 MP |
31 | struct ix2505v_config { |
32 | u8 tuner_address; | |
1ae2c589 | 33 | u8 tuner_gain; |
1ae2c589 | 34 | u8 tuner_chargepump; |
1ae2c589 | 35 | int min_delay_ms; |
1ae2c589 MP |
36 | u8 tuner_write_only; |
37 | ||
38 | }; | |
39 | ||
9b174527 | 40 | #if IS_REACHABLE(CONFIG_DVB_IX2505V) |
b95b0c98 MCC |
41 | /** |
42 | * Attach a ix2505v tuner to the supplied frontend structure. | |
43 | * | |
44 | * @fe: Frontend to attach to. | |
45 | * @config: pointer to &struct ix2505v_config | |
46 | * @i2c: pointer to &struct i2c_adapter. | |
47 | * | |
48 | * return: FE pointer on success, NULL on failure. | |
49 | */ | |
1ae2c589 MP |
50 | extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, |
51 | const struct ix2505v_config *config, struct i2c_adapter *i2c); | |
52 | #else | |
53 | static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, | |
54 | const struct ix2505v_config *config, struct i2c_adapter *i2c) | |
55 | { | |
56 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
57 | return NULL; | |
58 | } | |
59 | #endif | |
60 | ||
61 | #endif /* DVB_IX2505V_H */ |