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gerrit-public.fairphone.software / kernel / msm-4.19 / 8528d3f738386706a6d2af05d7bdb542594bc95c / . / drivers / media / dvb-frontends / stb6100_proc.h
blob: bd8a0ec9e2cce19cb35813f761c1c03a7fa338ed [file] [log] [blame]
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]1/*
2 STB6100 Silicon Tuner wrapper
3 Copyright (C)2009 Igor M. Liplianin (liplianin@me.by)
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18*/
19
20static int stb6100_get_freq(struct dvb_frontend *fe, u32 *frequency)
21{
Emil Goode20721182014-06-24 18:42:27 -0300[diff] [blame]22 struct dvb_frontend_ops *frontend_ops = &fe->ops;
23 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]24 struct tuner_state state;
25 int err = 0;
26
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]27 if (tuner_ops->get_state) {
28 if (frontend_ops->i2c_gate_ctrl)
29 frontend_ops->i2c_gate_ctrl(fe, 1);
30
31 err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &state);
32 if (err < 0) {
33 printk(KERN_ERR "%s: Invalid parameter\n", __func__);
34 return err;
35 }
36
37 if (frontend_ops->i2c_gate_ctrl)
38 frontend_ops->i2c_gate_ctrl(fe, 0);
39
40 *frequency = state.frequency;
41 }
42
43 return 0;
44}
45
46static int stb6100_set_freq(struct dvb_frontend *fe, u32 frequency)
47{
Emil Goode20721182014-06-24 18:42:27 -0300[diff] [blame]48 struct dvb_frontend_ops *frontend_ops = &fe->ops;
49 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]50 struct tuner_state state;
51 int err = 0;
52
53 state.frequency = frequency;
Emil Goode20721182014-06-24 18:42:27 -0300[diff] [blame]54
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]55 if (tuner_ops->set_state) {
56 if (frontend_ops->i2c_gate_ctrl)
57 frontend_ops->i2c_gate_ctrl(fe, 1);
58
59 err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &state);
60 if (err < 0) {
61 printk(KERN_ERR "%s: Invalid parameter\n", __func__);
62 return err;
63 }
64
65 if (frontend_ops->i2c_gate_ctrl)
66 frontend_ops->i2c_gate_ctrl(fe, 0);
67
68 }
69
70 return 0;
71}
72
73static int stb6100_get_bandw(struct dvb_frontend *fe, u32 *bandwidth)
74{
Emil Goode20721182014-06-24 18:42:27 -0300[diff] [blame]75 struct dvb_frontend_ops *frontend_ops = &fe->ops;
76 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]77 struct tuner_state state;
78 int err = 0;
79
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]80 if (tuner_ops->get_state) {
81 if (frontend_ops->i2c_gate_ctrl)
82 frontend_ops->i2c_gate_ctrl(fe, 1);
83
84 err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
85 if (err < 0) {
86 printk(KERN_ERR "%s: Invalid parameter\n", __func__);
87 return err;
88 }
89
90 if (frontend_ops->i2c_gate_ctrl)
91 frontend_ops->i2c_gate_ctrl(fe, 0);
92
93 *bandwidth = state.bandwidth;
94 }
95
96 return 0;
97}
98
99static int stb6100_set_bandw(struct dvb_frontend *fe, u32 bandwidth)
100{
Emil Goode20721182014-06-24 18:42:27 -0300[diff] [blame]101 struct dvb_frontend_ops *frontend_ops = &fe->ops;
102 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]103 struct tuner_state state;
104 int err = 0;
105
106 state.bandwidth = bandwidth;
Emil Goode20721182014-06-24 18:42:27 -0300[diff] [blame]107
Igor M. Liplianinb699c272009-11-16 22:22:32 -0300[diff] [blame]108 if (tuner_ops->set_state) {
109 if (frontend_ops->i2c_gate_ctrl)
110 frontend_ops->i2c_gate_ctrl(fe, 1);
111
112 err = tuner_ops->set_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
113 if (err < 0) {
114 printk(KERN_ERR "%s: Invalid parameter\n", __func__);
115 return err;
116 }
117
118 if (frontend_ops->i2c_gate_ctrl)
119 frontend_ops->i2c_gate_ctrl(fe, 0);
120
121 }
122
123 return 0;
124}