projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 65f0f686 MCC |
22 | #include <linux/dvb/frontend.h> |
| 23 | #include "dvb_frontend.h" | |
| 24 | ||
| 8be969b3 MA |
25 | static int stb6100_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
| 26 | { | |
| 20721185 EG |
27 | struct dvb_frontend_ops *frontend_ops = &fe->ops; |
| 28 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
| 8be969b3 MA |
29 | int err = 0; |
| 30 | ||
| 65f0f686 MCC |
31 | if (tuner_ops->get_frequency) { |
| 32 | err = tuner_ops->get_frequency(fe, frequency); | |
| 8f73b481 | 33 | if (err < 0) { |
| 8be969b3 MA |
34 | printk("%s: Invalid parameter\n", __func__); |
| 35 | return err; | |
| 36 | } | |
| 8be969b3 MA |
37 | } |
| 38 | return 0; | |
| 39 | } | |
| 40 | ||
| 41 | static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency) | |
| 42 | { | |
| 20721185 EG |
43 | struct dvb_frontend_ops *frontend_ops = &fe->ops; |
| 44 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
| 65f0f686 MCC |
45 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
| 46 | u32 bw = c->bandwidth_hz; | |
| 8be969b3 MA |
47 | int err = 0; |
| 48 | ||
| 65f0f686 MCC |
49 | c->frequency = frequency; |
| 50 | c->bandwidth_hz = 0; /* Don't adjust the bandwidth */ | |
| 20721185 | 51 | |
| 65f0f686 MCC |
52 | if (tuner_ops->set_params) { |
| 53 | err = tuner_ops->set_params(fe); | |
| 54 | c->bandwidth_hz = bw; | |
| 8f73b481 | 55 | if (err < 0) { |
| 8be969b3 MA |
56 | printk("%s: Invalid parameter\n", __func__); |
| 57 | return err; | |
| 58 | } | |
| 59 | } | |
| 8be969b3 MA |
60 | return 0; |
| 61 | } | |
| 62 | ||
| 63 | static int stb6100_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
| 64 | { | |
| 65 | struct dvb_frontend_ops *frontend_ops = &fe->ops; | |
| 66 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
| 8be969b3 MA |
67 | int err = 0; |
| 68 | ||
| 65f0f686 MCC |
69 | if (tuner_ops->get_bandwidth) { |
| 70 | err = tuner_ops->get_bandwidth(fe, bandwidth); | |
| 8f73b481 | 71 | if (err < 0) { |
| 8be969b3 MA |
72 | printk("%s: Invalid parameter\n", __func__); |
| 73 | return err; | |
| 74 | } | |
| 8be969b3 | 75 | } |
| 8be969b3 MA |
76 | return 0; |
| 77 | } | |
| 78 | ||
| 79 | static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth) | |
| 80 | { | |
| 20721185 EG |
81 | struct dvb_frontend_ops *frontend_ops = &fe->ops; |
| 82 | struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops; | |
| 65f0f686 MCC |
83 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
| 84 | u32 freq = c->frequency; | |
| 8be969b3 MA |
85 | int err = 0; |
| 86 | ||
| 65f0f686 MCC |
87 | c->bandwidth_hz = bandwidth; |
| 88 | c->frequency = 0; /* Don't adjust the frequency */ | |
| 20721185 | 89 | |
| 65f0f686 MCC |
90 | if (tuner_ops->set_params) { |
| 91 | err = tuner_ops->set_params(fe); | |
| 92 | c->frequency = freq; | |
| 8f73b481 | 93 | if (err < 0) { |
| 8be969b3 MA |
94 | printk("%s: Invalid parameter\n", __func__); |
| 95 | return err; | |
| 96 | } | |
| 97 | } | |
| 8be969b3 MA |
98 | return 0; |
| 99 | } |