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Antti Palosaarif9263742012-03-30 06:37:26 -03001/*
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
24#include "dvb_frontend.h"
25
26struct tua9001_config {
27 /*
28 * I2C address
29 */
30 u8 i2c_addr;
31};
32
Antti Palosaari89054e32012-09-11 22:27:07 -030033/*
34 * TUA9001 I/O PINs:
35 *
36 * CEN - chip enable
37 * 0 = chip disabled (chip off)
38 * 1 = chip enabled (chip on)
39 *
40 * RESETN - chip reset
41 * 0 = reset disabled (chip reset off)
42 * 1 = reset enabled (chip reset on)
43 *
44 * RXEN - RX enable
45 * 0 = RX disabled (chip idle)
46 * 1 = RX enabled (chip tuned)
47 */
48
49#define TUA9001_CMD_CEN 0
50#define TUA9001_CMD_RESETN 1
51#define TUA9001_CMD_RXEN 2
52
Antti Palosaarif9263742012-03-30 06:37:26 -030053#if defined(CONFIG_MEDIA_TUNER_TUA9001) || \
54 (defined(CONFIG_MEDIA_TUNER_TUA9001_MODULE) && defined(MODULE))
55extern struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe,
56 struct i2c_adapter *i2c, struct tua9001_config *cfg);
57#else
58static 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