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Thomas Mair82041c02012-05-18 14:47:40 -03001/*
2 * Realtek RTL2832 DVB-T demodulator driver
3 *
4 * Copyright (C) 2012 Thomas Mair <thomas.mair86@gmail.com>
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 RTL2832_H
22#define RTL2832_H
23
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030024#include <linux/kconfig.h>
Thomas Mair82041c02012-05-18 14:47:40 -030025#include <linux/dvb/frontend.h>
26
27struct rtl2832_config {
28 /*
29 * Demodulator I2C address.
30 */
31 u8 i2c_addr;
32
33 /*
34 * Xtal frequency.
35 * Hz
36 * 4000000, 16000000, 25000000, 28800000
37 */
38 u32 xtal;
39
40 /*
Antti Palosaari832cc7c2012-09-11 22:27:04 -030041 * tuner
42 * XXX: This must be keep sync with dvb_usb_rtl28xxu demod driver.
Thomas Mair82041c02012-05-18 14:47:40 -030043 */
Antti Palosaari5db41872012-09-11 22:27:08 -030044#define RTL2832_TUNER_TUA9001 0x24
Antti Palosaari832cc7c2012-09-11 22:27:04 -030045#define RTL2832_TUNER_FC0012 0x26
Antti Palosaari7e688de2012-09-17 17:53:04 -030046#define RTL2832_TUNER_E4000 0x27
Antti Palosaari832cc7c2012-09-11 22:27:04 -030047#define RTL2832_TUNER_FC0013 0x29
Mauro Carvalho Chehabfa4bfd22013-04-09 18:19:50 -030048#define RTL2832_TUNER_R820T 0x2a
Antti Palosaaria26758e2013-10-30 00:36:38 -030049#define RTL2832_TUNER_R828D 0x2b
Thomas Mair82041c02012-05-18 14:47:40 -030050 u8 tuner;
51};
52
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030053#if IS_ENABLED(CONFIG_DVB_RTL2832)
Antti Palosaari3ca24182013-10-13 00:06:44 -030054struct dvb_frontend *rtl2832_attach(
Thomas Mair82041c02012-05-18 14:47:40 -030055 const struct rtl2832_config *cfg,
56 struct i2c_adapter *i2c
57);
Antti Palosaari8823f022013-11-26 12:53:46 -030058
59extern struct i2c_adapter *rtl2832_get_i2c_adapter(
60 struct dvb_frontend *fe
61);
62
Antti Palosaari92d20d92014-02-08 03:50:04 -030063extern struct i2c_adapter *rtl2832_get_private_i2c_adapter(
64 struct dvb_frontend *fe
65);
66
Antti Palosaarife37b382013-11-28 19:15:19 -030067extern int rtl2832_enable_external_ts_if(
68 struct dvb_frontend *fe
69);
70
Thomas Mair82041c02012-05-18 14:47:40 -030071#else
Antti Palosaari8823f022013-11-26 12:53:46 -030072
Thomas Mair82041c02012-05-18 14:47:40 -030073static inline struct dvb_frontend *rtl2832_attach(
74 const struct rtl2832_config *config,
75 struct i2c_adapter *i2c
76)
77{
Antti Palosaari298efdd2012-09-11 22:27:11 -030078 pr_warn("%s: driver disabled by Kconfig\n", __func__);
Thomas Mair82041c02012-05-18 14:47:40 -030079 return NULL;
80}
Antti Palosaari8823f022013-11-26 12:53:46 -030081
82static inline struct i2c_adapter *rtl2832_get_i2c_adapter(
83 struct dvb_frontend *fe
84)
85{
86 return NULL;
87}
Antti Palosaari92d20d92014-02-08 03:50:04 -030088
89static inline struct i2c_adapter *rtl2832_get_private_i2c_adapter(
90 struct dvb_frontend *fe
91)
92{
93 return NULL;
94}
95
Antti Palosaarife37b382013-11-28 19:15:19 -030096static inline int rtl2832_enable_external_ts_if(
97 struct dvb_frontend *fe
98)
99{
100 return -ENODEV;
101}
102
Thomas Mair82041c02012-05-18 14:47:40 -0300103#endif
104
105
106#endif /* RTL2832_H */