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
14struct 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
26enum {
27	CALL_IS_SET_FRONTEND = 0x0,
28	CALL_IS_READ,
29};
30
31#if IS_REACHABLE(CONFIG_DVB_M88RS2000)
32extern struct dvb_frontend *m88rs2000_attach(
33	const struct m88rs2000_config *config, struct i2c_adapter *i2c);
34#else
35static 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
45enum {
46	DEMOD_WRITE = 0x1,
47	WRITE_DELAY = 0x10,
48};
49#endif /* M88RS2000_H */