projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 50acfb2b | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| b9ede79a MCC |
2 | /* |
| 3 | * Fujitsu mb86a20s driver | |
| 4 | * | |
| 37e59f87 | 5 | * Copyright (C) 2010 Mauro Carvalho Chehab |
| b9ede79a MCC |
6 | */ |
| 7 | ||
| 8 | #ifndef MB86A20S_H | |
| 9 | #define MB86A20S_H | |
| 10 | ||
| 11 | #include <linux/dvb/frontend.h> | |
| 12 | ||
| 13 | /** | |
| 14 | * struct mb86a20s_config - Define the per-device attributes of the frontend | |
| 15 | * | |
| 0e4bbedd MCC |
16 | * @fclk: Clock frequency. If zero, assumes the default |
| 17 | * (32.57142 Mhz) | |
| b9ede79a | 18 | * @demod_address: the demodulator's i2c address |
| 0e4bbedd | 19 | * @is_serial: if true, TS is serial. Otherwise, TS is parallel |
| b9ede79a | 20 | */ |
| b9ede79a | 21 | struct mb86a20s_config { |
| 0e4bbedd MCC |
22 | u32 fclk; |
| 23 | u8 demod_address; | |
| 24 | bool is_serial; | |
| b9ede79a MCC |
25 | }; |
| 26 | ||
| 9b174527 | 27 | #if IS_REACHABLE(CONFIG_DVB_MB86A20S) |
| be9b53c8 | 28 | /** |
| b0649455 | 29 | * mb86a20s_attach - Attach a mb86a20s demod |
| be9b53c8 MCC |
30 | * |
| 31 | * @config: pointer to &struct mb86a20s_config with demod configuration. | |
| 32 | * @i2c: i2c adapter to use. | |
| 33 | * | |
| 34 | * return: FE pointer on success, NULL on failure. | |
| 35 | */ | |
| b9ede79a MCC |
36 | extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config, |
| 37 | struct i2c_adapter *i2c); | |
| be9b53c8 | 38 | |
| b9ede79a MCC |
39 | #else |
| 40 | static inline struct dvb_frontend *mb86a20s_attach( | |
| 41 | const struct mb86a20s_config *config, struct i2c_adapter *i2c) | |
| 42 | { | |
| 43 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 44 | return NULL; | |
| 45 | } | |
| b9ede79a MCC |
46 | #endif |
| 47 | ||
| 48 | #endif /* MB86A20S */ |