1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 	Driver for M88RS2000 demodulator
4 
5 
6 */
7 
8 #ifndef M88RS2000_H
9 #define M88RS2000_H
10 
11 #include <linux/dvb/frontend.h>
12 #include <media/dvb_frontend.h>
13 
14 struct m88rs2000_config {
15 	/* Demodulator i2c address */
16 	u8 demod_addr;
17 
18 	u8 *inittab;
19 
20 	/* minimum delay before retuning */
21 	int min_delay_ms;
22 
23 	int (*set_ts_params)(struct dvb_frontend *, int);
24 };
25 
26 enum {
27 	CALL_IS_SET_FRONTEND = 0x0,
28 	CALL_IS_READ,
29 };
30 
31 #if IS_REACHABLE(CONFIG_DVB_M88RS2000)
32 extern struct dvb_frontend *m88rs2000_attach(
33 	const struct m88rs2000_config *config, struct i2c_adapter *i2c);
34 #else
m88rs2000_attach(const struct m88rs2000_config * config,struct i2c_adapter * i2c)35 static inline struct dvb_frontend *m88rs2000_attach(
36 	const struct m88rs2000_config *config, struct i2c_adapter *i2c)
37 {
38 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
39 	return NULL;
40 }
41 #endif /* CONFIG_DVB_M88RS2000 */
42 
43 #define RS2000_FE_CRYSTAL_KHZ 27000
44 
45 enum {
46 	DEMOD_WRITE = 0x1,
47 	WRITE_DELAY = 0x10,
48 };
49 #endif /* M88RS2000_H */
50