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 22static 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; 39 } 40 return 0; 41} 42 43static 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 } 61 return 0; 62} 63 64static 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 } 82 return 0; 83} 84 85static 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 } 103 return 0; 104} 105