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 { 22 struct dvb_frontend_ops *frontend_ops = &fe->ops; 23 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; 24 struct tuner_state t_state; 25 int err = 0; 26 27 if (tuner_ops->get_state) { 28 err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &t_state); 29 if (err < 0) { 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 { 41 struct dvb_frontend_ops *frontend_ops = &fe->ops; 42 struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; 43 struct tuner_state t_state; 44 int err = 0; 45 46 t_state.frequency = frequency; 47 48 if (tuner_ops->set_state) { 49 err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &t_state); 50 if (err < 0) { 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 66 if (tuner_ops->get_state) { 67 err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &t_state); 68 if (err < 0) { 69 printk("%s: Invalid parameter\n", __func__); 70 return err; 71 } 72 *bandwidth = t_state.bandwidth; 73 printk("%s: Bandwidth=%d\n", __func__, t_state.bandwidth); 74 } 75 return 0; 76 } 77