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Commit | Line | Data |
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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 */ |