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f9263747 AP |
1 | /* |
2 | * Infineon TUA 9001 silicon tuner driver | |
3 | * | |
4 | * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> | |
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 as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; if not, write to the Free Software Foundation, Inc., | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 | */ | |
20 | ||
21 | #ifndef TUA9001_H | |
22 | #define TUA9001_H | |
23 | ||
9dc353c6 | 24 | #include <linux/kconfig.h> |
f9263747 AP |
25 | #include "dvb_frontend.h" |
26 | ||
27 | struct tua9001_config { | |
28 | /* | |
29 | * I2C address | |
30 | */ | |
31 | u8 i2c_addr; | |
32 | }; | |
33 | ||
89054e37 AP |
34 | /* |
35 | * TUA9001 I/O PINs: | |
36 | * | |
37 | * CEN - chip enable | |
38 | * 0 = chip disabled (chip off) | |
39 | * 1 = chip enabled (chip on) | |
40 | * | |
41 | * RESETN - chip reset | |
42 | * 0 = reset disabled (chip reset off) | |
43 | * 1 = reset enabled (chip reset on) | |
44 | * | |
45 | * RXEN - RX enable | |
46 | * 0 = RX disabled (chip idle) | |
47 | * 1 = RX enabled (chip tuned) | |
48 | */ | |
49 | ||
50 | #define TUA9001_CMD_CEN 0 | |
51 | #define TUA9001_CMD_RESETN 1 | |
52 | #define TUA9001_CMD_RXEN 2 | |
53 | ||
9dc353c6 | 54 | #if IS_ENABLED(CONFIG_MEDIA_TUNER_TUA9001) |
f9263747 AP |
55 | extern struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe, |
56 | struct i2c_adapter *i2c, struct tua9001_config *cfg); | |
57 | #else | |
58 | static inline struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe, | |
59 | struct i2c_adapter *i2c, struct tua9001_config *cfg) | |
60 | { | |
61 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
62 | return NULL; | |
63 | } | |
64 | #endif | |
65 | ||
66 | #endif |