Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 1 | /* |
Michael Krufky | 5de82fa | 2010-03-11 23:50:51 -0300 | [diff] [blame] | 2 | * Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 3 | * |
Michael Krufky | 40ff540 | 2010-03-12 00:58:12 -0300 | [diff] [blame] | 4 | * Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org> |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 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 | |
Mauro Carvalho Chehab | 782d8b7 | 2013-03-21 16:11:54 -0300 | [diff] [blame] | 25 | #include <linux/kconfig.h> |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 26 | #include <linux/i2c.h> |
| 27 | #include "dvb_frontend.h" |
| 28 | |
| 29 | |
| 30 | enum lgdt3305_mpeg_mode { |
| 31 | LGDT3305_MPEG_PARALLEL = 0, |
| 32 | LGDT3305_MPEG_SERIAL = 1, |
| 33 | }; |
| 34 | |
| 35 | enum lgdt3305_tp_clock_edge { |
| 36 | LGDT3305_TPCLK_RISING_EDGE = 0, |
| 37 | LGDT3305_TPCLK_FALLING_EDGE = 1, |
| 38 | }; |
| 39 | |
| 40 | enum lgdt3305_tp_valid_polarity { |
| 41 | LGDT3305_TP_VALID_LOW = 0, |
| 42 | LGDT3305_TP_VALID_HIGH = 1, |
| 43 | }; |
| 44 | |
Jarod Wilson | 804258c | 2010-03-07 17:20:03 -0300 | [diff] [blame] | 45 | enum lgdt_demod_chip_type { |
| 46 | LGDT3305 = 0, |
| 47 | LGDT3304 = 1, |
| 48 | }; |
| 49 | |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 50 | struct lgdt3305_config { |
| 51 | u8 i2c_addr; |
| 52 | |
| 53 | /* user defined IF frequency in KHz */ |
| 54 | u16 qam_if_khz; |
| 55 | u16 vsb_if_khz; |
| 56 | |
| 57 | /* AGC Power reference - defaults are used if left unset */ |
| 58 | u16 usref_8vsb; /* default: 0x32c4 */ |
| 59 | u16 usref_qam64; /* default: 0x5400 */ |
| 60 | u16 usref_qam256; /* default: 0x2a80 */ |
| 61 | |
| 62 | /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ |
Nemeth Marton | 1faea56 | 2009-12-15 19:28:35 -0300 | [diff] [blame] | 63 | unsigned int deny_i2c_rptr:1; |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 64 | |
| 65 | /* spectral inversion - 0:disabled 1:enabled */ |
Nemeth Marton | 1faea56 | 2009-12-15 19:28:35 -0300 | [diff] [blame] | 66 | unsigned int spectral_inversion:1; |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 67 | |
| 68 | /* use RF AGC loop - 0:disabled 1:enabled */ |
Nemeth Marton | 1faea56 | 2009-12-15 19:28:35 -0300 | [diff] [blame] | 69 | unsigned int rf_agc_loop:1; |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 70 | |
| 71 | enum lgdt3305_mpeg_mode mpeg_mode; |
| 72 | enum lgdt3305_tp_clock_edge tpclk_edge; |
| 73 | enum lgdt3305_tp_valid_polarity tpvalid_polarity; |
Jarod Wilson | 804258c | 2010-03-07 17:20:03 -0300 | [diff] [blame] | 74 | enum lgdt_demod_chip_type demod_chip; |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 75 | }; |
| 76 | |
Mauro Carvalho Chehab | 782d8b7 | 2013-03-21 16:11:54 -0300 | [diff] [blame] | 77 | #if IS_ENABLED(CONFIG_DVB_LGDT3305) |
Michael Krufky | cae78ed | 2009-01-13 04:40:36 -0300 | [diff] [blame] | 78 | extern |
| 79 | struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, |
| 80 | struct i2c_adapter *i2c_adap); |
| 81 | #else |
| 82 | static inline |
| 83 | struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, |
| 84 | struct i2c_adapter *i2c_adap) |
| 85 | { |
| 86 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 87 | return NULL; |
| 88 | } |
| 89 | #endif /* CONFIG_DVB_LGDT3305 */ |
| 90 | |
| 91 | #endif /* _LGDT3305_H_ */ |