git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| cae78ed5 MK |
1 | /* |
| 2 | * Support for LGDT3305 - VSB/QAM | |
| 3 | * | |
| 4 | * Copyright (C) 2008, 2009 Michael Krufky <mkrufky@linuxtv.org> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 19 | * | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef _LGDT3305_H_ | |
| 23 | #define _LGDT3305_H_ | |
| 24 | ||
| 25 | #include <linux/i2c.h> | |
| 26 | #include "dvb_frontend.h" | |
| 27 | ||
| 28 | ||
| 29 | enum lgdt3305_mpeg_mode { | |
| 30 | LGDT3305_MPEG_PARALLEL = 0, | |
| 31 | LGDT3305_MPEG_SERIAL = 1, | |
| 32 | }; | |
| 33 | ||
| 34 | enum lgdt3305_tp_clock_edge { | |
| 35 | LGDT3305_TPCLK_RISING_EDGE = 0, | |
| 36 | LGDT3305_TPCLK_FALLING_EDGE = 1, | |
| 37 | }; | |
| 38 | ||
| 39 | enum lgdt3305_tp_valid_polarity { | |
| 40 | LGDT3305_TP_VALID_LOW = 0, | |
| 41 | LGDT3305_TP_VALID_HIGH = 1, | |
| 42 | }; | |
| 43 | ||
| 44 | struct lgdt3305_config { | |
| 45 | u8 i2c_addr; | |
| 46 | ||
| 47 | /* user defined IF frequency in KHz */ | |
| 48 | u16 qam_if_khz; | |
| 49 | u16 vsb_if_khz; | |
| 50 | ||
| 51 | /* AGC Power reference - defaults are used if left unset */ | |
| 52 | u16 usref_8vsb; /* default: 0x32c4 */ | |
| 53 | u16 usref_qam64; /* default: 0x5400 */ | |
| 54 | u16 usref_qam256; /* default: 0x2a80 */ | |
| 55 | ||
| 56 | /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ | |
| 1faea560 | 57 | unsigned int deny_i2c_rptr:1; |
| cae78ed5 MK |
58 | |
| 59 | /* spectral inversion - 0:disabled 1:enabled */ | |
| 1faea560 | 60 | unsigned int spectral_inversion:1; |
| cae78ed5 MK |
61 | |
| 62 | /* use RF AGC loop - 0:disabled 1:enabled */ | |
| 1faea560 | 63 | unsigned int rf_agc_loop:1; |
| cae78ed5 MK |
64 | |
| 65 | enum lgdt3305_mpeg_mode mpeg_mode; | |
| 66 | enum lgdt3305_tp_clock_edge tpclk_edge; | |
| 67 | enum lgdt3305_tp_valid_polarity tpvalid_polarity; | |
| 68 | }; | |
| 69 | ||
| 70 | #if defined(CONFIG_DVB_LGDT3305) || (defined(CONFIG_DVB_LGDT3305_MODULE) && \ | |
| 71 | defined(MODULE)) | |
| 72 | extern | |
| 73 | struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, | |
| 74 | struct i2c_adapter *i2c_adap); | |
| 75 | #else | |
| 76 | static inline | |
| 77 | struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, | |
| 78 | struct i2c_adapter *i2c_adap) | |
| 79 | { | |
| 80 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 81 | return NULL; | |
| 82 | } | |
| 83 | #endif /* CONFIG_DVB_LGDT3305 */ | |
| 84 | ||
| 85 | #endif /* _LGDT3305_H_ */ |