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6fef4fc7 KD |
1 | /* |
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 | ||
782d8b74 | 25 | #include <linux/kconfig.h> |
6fef4fc7 KD |
26 | #include <linux/dvb/frontend.h> |
27 | ||
28 | struct ts2020_config { | |
29 | u8 tuner_address; | |
03a67279 | 30 | u32 frequency_div; |
abd9025b AP |
31 | |
32 | /* | |
33 | * RF loop-through | |
34 | */ | |
0f20baad | 35 | bool loop_through:1; |
abd9025b AP |
36 | |
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 | ||
c7275ae1 DH |
51 | /* Set to true to suppress stat polling */ |
52 | bool dont_poll:1; | |
53 | ||
abd9025b AP |
54 | /* |
55 | * pointer to DVB frontend | |
56 | */ | |
57 | struct dvb_frontend *fe; | |
e6ad9ce3 AP |
58 | |
59 | /* | |
60 | * driver private, do not set value | |
61 | */ | |
62 | u8 attach_in_use:1; | |
0f91c9d6 DH |
63 | |
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); | |
6fef4fc7 KD |
68 | }; |
69 | ||
e6ad9ce3 | 70 | /* Do not add new ts2020_attach() users! Use I2C bindings instead. */ |
9b174527 | 71 | #if IS_REACHABLE(CONFIG_DVB_TS2020) |
6fef4fc7 KD |
72 | extern struct dvb_frontend *ts2020_attach( |
73 | struct dvb_frontend *fe, | |
74 | const struct ts2020_config *config, | |
75 | struct i2c_adapter *i2c); | |
76 | #else | |
77 | static 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 */ |