1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Fujitsu mb86a20s driver |
4 | * |
5 | * Copyright (C) 2010 Mauro Carvalho Chehab |
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 | * |
16 | * @fclk: Clock frequency. If zero, assumes the default |
17 | * (32.57142 Mhz) |
18 | * @demod_address: the demodulator's i2c address |
19 | * @is_serial: if true, TS is serial. Otherwise, TS is parallel |
20 | */ |
21 | struct mb86a20s_config { |
22 | u32 fclk; |
23 | u8 demod_address; |
24 | bool is_serial; |
25 | }; |
26 | |
27 | #if IS_REACHABLE(CONFIG_DVB_MB86A20S) |
28 | /** |
29 | * mb86a20s_attach - Attach a mb86a20s demod |
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 | */ |
36 | extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config, |
37 | struct i2c_adapter *i2c); |
38 | |
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 | } |
46 | #endif |
47 | |
48 | #endif /* MB86A20S */ |
49 | |