| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Support for LGDT3302 and LGDT3303 - VSB/QAM |
| 3 | * |
| 4 | * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net> |
| 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 | */ |
| 17 | |
| 18 | #ifndef LGDT330X_H |
| 19 | #define LGDT330X_H |
| 20 | |
| 21 | #include <linux/dvb/frontend.h> |
| 22 | |
| 23 | typedef enum lg_chip_t { |
| 24 | UNDEFINED, |
| 25 | LGDT3302, |
| 26 | LGDT3303 |
| 27 | }lg_chip_type; |
| 28 | |
| 29 | struct lgdt330x_config |
| 30 | { |
| 31 | /* The demodulator's i2c address */ |
| 32 | u8 demod_address; |
| 33 | |
| 34 | /* LG demodulator chip LGDT3302 or LGDT3303 */ |
| 35 | lg_chip_type demod_chip; |
| 36 | |
| 37 | /* MPEG hardware interface - 0:parallel 1:serial */ |
| 38 | int serial_mpeg; |
| 39 | |
| 40 | /* PLL interface */ |
| 41 | int (*pll_rf_set) (struct dvb_frontend* fe, int index); |
| 42 | |
| 43 | /* Need to set device param for start_dma */ |
| 44 | int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); |
| 45 | |
| 46 | /* Flip the polarity of the mpeg data transfer clock using alternate init data |
| 47 | * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */ |
| 48 | int clock_polarity_flip; |
| 49 | }; |
| 50 | |
| 51 | #if IS_REACHABLE(CONFIG_DVB_LGDT330X) |
| 52 | extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, |
| 53 | struct i2c_adapter* i2c); |
| 54 | #else |
| 55 | static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, |
| 56 | struct i2c_adapter* i2c) |
| 57 | { |
| 58 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 59 | return NULL; |
| 60 | } |
| 61 | #endif // CONFIG_DVB_LGDT330X |
| 62 | |
| 63 | #endif /* LGDT330X_H */ |