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8be969b3 MA |
1 | /* |
2 | STB6100 Silicon Tuner | |
3 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) | |
4 | ||
5 | Copyright (C) ST Microelectronics | |
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 | static int stb6100_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
23 | { | |
24 | struct dvb_frontend_ops *frontend_ops = NULL; | |
25 | struct dvb_tuner_ops *tuner_ops = NULL; | |
26 | struct tuner_state t_state; | |
27 | int err = 0; | |
28 | ||
29 | if (&fe->ops) | |
30 | frontend_ops = &fe->ops; | |
31 | if (&frontend_ops->tuner_ops) | |
32 | tuner_ops = &frontend_ops->tuner_ops; | |
33 | if (tuner_ops->get_state) { | |
34 | if ((err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &t_state)) < 0) { | |
35 | printk("%s: Invalid parameter\n", __func__); | |
36 | return err; | |
37 | } | |
38 | *frequency = t_state.frequency; | |
8be969b3 MA |
39 | } |
40 | return 0; | |
41 | } | |
42 | ||
43 | static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency) | |
44 | { | |
45 | struct dvb_frontend_ops *frontend_ops = NULL; | |
46 | struct dvb_tuner_ops *tuner_ops = NULL; | |
47 | struct tuner_state t_state; | |
48 | int err = 0; | |
49 | ||
50 | t_state.frequency = frequency; | |
51 | if (&fe->ops) | |
52 | frontend_ops = &fe->ops; | |
53 | if (&frontend_ops->tuner_ops) | |
54 | tuner_ops = &frontend_ops->tuner_ops; | |
55 | if (tuner_ops->set_state) { | |
56 | if ((err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &t_state)) < 0) { | |
57 | printk("%s: Invalid parameter\n", __func__); | |
58 | return err; | |
59 | } | |
60 | } | |
8be969b3 MA |
61 | return 0; |
62 | } | |
63 | ||
64 | static int stb6100_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
65 | { | |
66 | struct dvb_frontend_ops *frontend_ops = &fe->ops; | |
67 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
68 | struct tuner_state t_state; | |
69 | int err = 0; | |
70 | ||
71 | if (&fe->ops) | |
72 | frontend_ops = &fe->ops; | |
73 | if (&frontend_ops->tuner_ops) | |
74 | tuner_ops = &frontend_ops->tuner_ops; | |
75 | if (tuner_ops->get_state) { | |
76 | if ((err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &t_state)) < 0) { | |
77 | printk("%s: Invalid parameter\n", __func__); | |
78 | return err; | |
79 | } | |
80 | *bandwidth = t_state.bandwidth; | |
81 | } | |
8be969b3 MA |
82 | return 0; |
83 | } | |
84 | ||
85 | static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth) | |
86 | { | |
87 | struct dvb_frontend_ops *frontend_ops = NULL; | |
88 | struct dvb_tuner_ops *tuner_ops = NULL; | |
89 | struct tuner_state t_state; | |
90 | int err = 0; | |
91 | ||
92 | t_state.bandwidth = bandwidth; | |
93 | if (&fe->ops) | |
94 | frontend_ops = &fe->ops; | |
95 | if (&frontend_ops->tuner_ops) | |
96 | tuner_ops = &frontend_ops->tuner_ops; | |
97 | if (tuner_ops->set_state) { | |
98 | if ((err = tuner_ops->set_state(fe, DVBFE_TUNER_BANDWIDTH, &t_state)) < 0) { | |
99 | printk("%s: Invalid parameter\n", __func__); | |
100 | return err; | |
101 | } | |
102 | } | |
8be969b3 MA |
103 | return 0; |
104 | } |