projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 8be969b3 MA |
1 | /* |
| 2 | TDA8261 8PSK/QPSK tuner driver | |
| 3 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) | |
| 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 | ||
| 20 | static int tda8261_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
| 21 | { | |
| 20721185 EG |
22 | struct dvb_frontend_ops *frontend_ops = &fe->ops; |
| 23 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
| 8be969b3 MA |
24 | struct tuner_state t_state; |
| 25 | int err = 0; | |
| 26 | ||
| 8be969b3 | 27 | if (tuner_ops->get_state) { |
| 8f73b481 EG |
28 | err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &t_state); |
| 29 | if (err < 0) { | |
| 8be969b3 MA |
30 | printk("%s: Invalid parameter\n", __func__); |
| 31 | return err; | |
| 32 | } | |
| 33 | *frequency = t_state.frequency; | |
| 34 | printk("%s: Frequency=%d\n", __func__, t_state.frequency); | |
| 35 | } | |
| 36 | return 0; | |
| 37 | } | |
| 38 | ||
| 39 | static int tda8261_set_frequency(struct dvb_frontend *fe, u32 frequency) | |
| 40 | { | |
| 20721185 EG |
41 | struct dvb_frontend_ops *frontend_ops = &fe->ops; |
| 42 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
| 8be969b3 MA |
43 | struct tuner_state t_state; |
| 44 | int err = 0; | |
| 45 | ||
| 46 | t_state.frequency = frequency; | |
| 20721185 | 47 | |
| 8be969b3 | 48 | if (tuner_ops->set_state) { |
| 8f73b481 EG |
49 | err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &t_state); |
| 50 | if (err < 0) { | |
| 8be969b3 MA |
51 | printk("%s: Invalid parameter\n", __func__); |
| 52 | return err; | |
| 53 | } | |
| 54 | } | |
| 55 | printk("%s: Frequency=%d\n", __func__, t_state.frequency); | |
| 56 | return 0; | |
| 57 | } | |
| 58 | ||
| 59 | static int tda8261_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
| 60 | { | |
| 61 | struct dvb_frontend_ops *frontend_ops = &fe->ops; | |
| 62 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
| 63 | struct tuner_state t_state; | |
| 64 | int err = 0; | |
| 65 | ||
| 8be969b3 | 66 | if (tuner_ops->get_state) { |
| 8f73b481 EG |
67 | err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &t_state); |
| 68 | if (err < 0) { | |
| 8be969b3 MA |
69 | printk("%s: Invalid parameter\n", __func__); |
| 70 | return err; | |
| 71 | } | |
| 72 | *bandwidth = t_state.bandwidth; | |
| cb31c748 | 73 | printk("%s: Bandwidth=%d\n", __func__, t_state.bandwidth); |
| 8be969b3 | 74 | } |
| 8be969b3 MA |
75 | return 0; |
| 76 | } |