git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Driver for Zarlink DVB-T MT352 demodulator | |
| 3 | * | |
| 4 | * Written by Holger Waechtler <holger@qanu.de> | |
| 5 | * and Daniel Mack <daniel@qanu.de> | |
| 6 | * | |
| 7 | * AVerMedia AVerTV DVB-T 771 support by | |
| 8 | * Wolfram Joost <dbox2@frokaschwei.de> | |
| 9 | * | |
| 10 | * Support for Samsung TDTC9251DH01C(M) tuner | |
| 11 | * Copyright (C) 2004 Antonio Mancuso <antonio.mancuso@digitaltelevision.it> | |
| 12 | * Amauri Celani <acelani@essegi.net> | |
| 13 | * | |
| 14 | * DVICO FusionHDTV DVB-T1 and DVICO FusionHDTV DVB-T Lite support by | |
| 15 | * Christopher Pascoe <c.pascoe@itee.uq.edu.au> | |
| 16 | * | |
| 17 | * This program is free software; you can redistribute it and/or modify | |
| 18 | * it under the terms of the GNU General Public License as published by | |
| 19 | * the Free Software Foundation; either version 2 of the License, or | |
| 20 | * (at your option) any later version. | |
| 21 | * | |
| 22 | * This program is distributed in the hope that it will be useful, | |
| 23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 25 | * | |
| 26 | * GNU General Public License for more details. | |
| 27 | * | |
| 28 | * You should have received a copy of the GNU General Public License | |
| 29 | * along with this program; if not, write to the Free Software | |
| 30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.= | |
| 31 | */ | |
| 32 | ||
| 33 | #ifndef MT352_H | |
| 34 | #define MT352_H | |
| 35 | ||
| 36 | #include <linux/dvb/frontend.h> | |
| 37 | ||
| 38 | struct mt352_config | |
| 39 | { | |
| 40 | /* the demodulator's i2c address */ | |
| 41 | u8 demod_address; | |
| 42 | ||
| 43 | /* frequencies in kHz */ | |
| 44 | int adc_clock; // default: 20480 | |
| 45 | int if2; // default: 36166 | |
| 46 | ||
| 47 | /* set if no pll is connected to the secondary i2c bus */ | |
| 48 | int no_tuner; | |
| 49 | ||
| 50 | /* Initialise the demodulator and PLL. Cannot be NULL */ | |
| 51 | int (*demod_init)(struct dvb_frontend* fe); | |
| 1da177e4 LT |
52 | }; |
| 53 | ||
| c5dec9fb | 54 | #if defined(CONFIG_DVB_MT352) || (defined(CONFIG_DVB_MT352_MODULE) && defined(MODULE)) |
| 1da177e4 LT |
55 | extern struct dvb_frontend* mt352_attach(const struct mt352_config* config, |
| 56 | struct i2c_adapter* i2c); | |
| 102a342b AQ |
57 | #else |
| 58 | static inline struct dvb_frontend* mt352_attach(const struct mt352_config* config, | |
| 59 | struct i2c_adapter* i2c) | |
| 60 | { | |
| 271ddbf7 | 61 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 102a342b AQ |
62 | return NULL; |
| 63 | } | |
| 64 | #endif // CONFIG_DVB_MT352 | |
| 1da177e4 | 65 | |
| 2e4e98e7 | 66 | static inline int mt352_write(struct dvb_frontend *fe, const u8 buf[], int len) { |
| c10d14d6 AQ |
67 | int r = 0; |
| 68 | if (fe->ops.write) | |
| 69 | r = fe->ops.write(fe, buf, len); | |
| 70 | return r; | |
| 71 | } | |
| 1da177e4 LT |
72 | |
| 73 | #endif // MT352_H |