| Fred Richter | b63b36f | 2014-03-24 19:56:00 -0300 | [diff] [blame^] | 1 | /* |
| 2 | * Support for LGDT3306A - 8VSB/QAM-B |
| 3 | * |
| 4 | * Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com> |
| 5 | * based on lgdt3305.[ch] by Michael Krufky |
| 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 | */ |
| 22 | |
| 23 | #ifndef _LGDT3306A_H_ |
| 24 | #define _LGDT3306A_H_ |
| 25 | |
| 26 | #include <linux/i2c.h> |
| 27 | #include "dvb_frontend.h" |
| 28 | |
| 29 | |
| 30 | enum lgdt3306a_mpeg_mode { |
| 31 | LGDT3306A_MPEG_PARALLEL = 0, |
| 32 | LGDT3306A_MPEG_SERIAL = 1, |
| 33 | }; |
| 34 | |
| 35 | enum lgdt3306a_tp_clock_edge { |
| 36 | LGDT3306A_TPCLK_RISING_EDGE = 0, |
| 37 | LGDT3306A_TPCLK_FALLING_EDGE = 1, |
| 38 | }; |
| 39 | |
| 40 | enum lgdt3306a_tp_valid_polarity { |
| 41 | LGDT3306A_TP_VALID_LOW = 0, |
| 42 | LGDT3306A_TP_VALID_HIGH = 1, |
| 43 | }; |
| 44 | |
| 45 | struct lgdt3306a_config { |
| 46 | u8 i2c_addr; |
| 47 | |
| 48 | /* user defined IF frequency in KHz */ |
| 49 | u16 qam_if_khz; |
| 50 | u16 vsb_if_khz; |
| 51 | |
| 52 | /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ |
| 53 | int deny_i2c_rptr:1; |
| 54 | |
| 55 | /* spectral inversion - 0:disabled 1:enabled */ |
| 56 | int spectral_inversion:1; |
| 57 | |
| 58 | enum lgdt3306a_mpeg_mode mpeg_mode; |
| 59 | enum lgdt3306a_tp_clock_edge tpclk_edge; |
| 60 | enum lgdt3306a_tp_valid_polarity tpvalid_polarity; |
| 61 | |
| 62 | int xtalMHz;//demod clock freq in MHz; 24 or 25 supported |
| 63 | }; |
| 64 | |
| 65 | #if defined(CONFIG_DVB_LGDT3306A) || (defined(CONFIG_DVB_LGDT3306A_MODULE) && \ |
| 66 | defined(MODULE)) |
| 67 | extern |
| 68 | struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, |
| 69 | struct i2c_adapter *i2c_adap); |
| 70 | #else |
| 71 | static inline |
| 72 | struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, |
| 73 | struct i2c_adapter *i2c_adap) |
| 74 | { |
| 75 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 76 | return NULL; |
| 77 | } |
| 78 | #endif /* CONFIG_DVB_LGDT3306A */ |
| 79 | |
| 80 | #endif /* _LGDT3306A_H_ */ |