projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| c942fddf | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| d8667cbb | 2 | /* |
| 1963c907 | 3 | * Support for LGDT3302 and LGDT3303 - VSB/QAM |
| d8667cbb MM |
4 | * |
| 5 | * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net> | |
| d8667cbb MM |
6 | */ |
| 7 | ||
| 6ddcc919 MK |
8 | #ifndef LGDT330X_H |
| 9 | #define LGDT330X_H | |
| d8667cbb MM |
10 | |
| 11 | #include <linux/dvb/frontend.h> | |
| 12 | ||
| 1963c907 MK |
13 | typedef enum lg_chip_t { |
| 14 | UNDEFINED, | |
| 15 | LGDT3302, | |
| 16 | LGDT3303 | |
| 17 | }lg_chip_type; | |
| 18 | ||
| 7129d314 MCC |
19 | /** |
| 20 | * struct lgdt330x_config - contains lgdt330x configuration | |
| 21 | * | |
| 7129d314 MCC |
22 | * @demod_chip: LG demodulator chip LGDT3302 or LGDT3303 |
| 23 | * @serial_mpeg: MPEG hardware interface - 0:parallel 1:serial | |
| 24 | * @pll_rf_set: Callback function to set PLL interface | |
| 25 | * @set_ts_params: Callback function to set device param for start_dma | |
| 26 | * @clock_polarity_flip: | |
| 27 | * Flip the polarity of the mpeg data transfer clock using alternate | |
| 28 | * init data. | |
| 29 | * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled | |
| 23ba635d MCC |
30 | * @get_dvb_frontend: |
| 31 | * returns the frontend associated with this I2C client. | |
| 32 | * Filled by the driver. | |
| 7129d314 | 33 | */ |
| 6ddcc919 | 34 | struct lgdt330x_config |
| d8667cbb | 35 | { |
| 1963c907 | 36 | lg_chip_type demod_chip; |
| 1963c907 | 37 | int serial_mpeg; |
| 0ccef6db | 38 | int (*pll_rf_set) (struct dvb_frontend* fe, int index); |
| d8667cbb | 39 | int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); |
| c0b11b91 | 40 | int clock_polarity_flip; |
| 23ba635d MCC |
41 | |
| 42 | struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); | |
| d8667cbb MM |
43 | }; |
| 44 | ||
| 9b174527 | 45 | #if IS_REACHABLE(CONFIG_DVB_LGDT330X) |
| 23ba635d MCC |
46 | struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config, |
| 47 | u8 demod_address, | |
| 48 | struct i2c_adapter *i2c); | |
| 102a342b | 49 | #else |
| 2a5f2705 | 50 | static inline |
| 23ba635d MCC |
51 | struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config, |
| 52 | u8 demod_address, | |
| 53 | struct i2c_adapter *i2c) | |
| 102a342b | 54 | { |
| 271ddbf7 | 55 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 102a342b AQ |
56 | return NULL; |
| 57 | } | |
| 58 | #endif // CONFIG_DVB_LGDT330X | |
| d8667cbb | 59 | |
| 6ddcc919 | 60 | #endif /* LGDT330X_H */ |