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Konstantin Dimitrov6fef4fc2012-12-23 19:25:27 -03001/*
2 Montage Technology TS2020 - Silicon Tuner driver
3 Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>
4
5 Copyright (C) 2009-2012 TurboSight.com
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#ifndef TS2020_H
23#define TS2020_H
24
Mauro Carvalho Chehab782d8b72013-03-21 16:11:54 -030025#include <linux/kconfig.h>
Konstantin Dimitrov6fef4fc2012-12-23 19:25:27 -030026#include <linux/dvb/frontend.h>
27
28struct ts2020_config {
29 u8 tuner_address;
John Horan03a67272013-08-28 09:37:37 -030030 u32 frequency_div;
Antti Palosaariabd90252015-03-23 14:14:40 -030031
32 /*
33 * RF loop-through
34 */
David Howells0f20baa2015-06-03 08:34:13 -030035 bool loop_through:1;
Antti Palosaariabd90252015-03-23 14:14:40 -030036
37 /*
38 * clock output
39 */
40#define TS2020_CLK_OUT_DISABLED 0
41#define TS2020_CLK_OUT_ENABLED 1
42#define TS2020_CLK_OUT_ENABLED_XTALOUT 2
43 u8 clk_out:2;
44
45 /*
46 * clock output divider
47 * 1 - 31
48 */
49 u8 clk_out_div:5;
50
David Howellsc7275ae2015-06-03 08:35:08 -030051 /* Set to true to suppress stat polling */
52 bool dont_poll:1;
53
Antti Palosaariabd90252015-03-23 14:14:40 -030054 /*
55 * pointer to DVB frontend
56 */
57 struct dvb_frontend *fe;
Antti Palosaarie6ad9ce2015-03-26 20:20:42 -030058
59 /*
60 * driver private, do not set value
61 */
62 u8 attach_in_use:1;
David Howells0f91c9d2015-05-26 12:04:00 -030063
64 /* Operation to be called by the ts2020 driver to get the value of the
65 * AGC PWM tuner input as theoretically output by the demodulator.
66 */
67 int (*get_agc_pwm)(struct dvb_frontend *fe, u8 *_agc_pwm);
Konstantin Dimitrov6fef4fc2012-12-23 19:25:27 -030068};
69
Antti Palosaarie6ad9ce2015-03-26 20:20:42 -030070/* Do not add new ts2020_attach() users! Use I2C bindings instead. */
Arnd Bergmann9b174522015-02-18 14:12:42 -030071#if IS_REACHABLE(CONFIG_DVB_TS2020)
Konstantin Dimitrov6fef4fc2012-12-23 19:25:27 -030072extern struct dvb_frontend *ts2020_attach(
73 struct dvb_frontend *fe,
74 const struct ts2020_config *config,
75 struct i2c_adapter *i2c);
76#else
77static inline struct dvb_frontend *ts2020_attach(
78 struct dvb_frontend *fe,
79 const struct ts2020_config *config,
80 struct i2c_adapter *i2c)
81{
82 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
83 return NULL;
84}
85#endif
86
87#endif /* TS2020_H */