1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3    cx24110 - Single Chip Satellite Channel Receiver driver module
4
5    Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
6    work
7    Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
8
9
10*/
11
12#ifndef CX24110_H
13#define CX24110_H
14
15#include <linux/dvb/frontend.h>
16
17struct cx24110_config
18{
19	/* the demodulator's i2c address */
20	u8 demod_address;
21};
22
23static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
24{
25	u8 buf[] = {
26		(u8)((val >> 24) & 0xff),
27		(u8)((val >> 16) & 0xff),
28		(u8)((val >> 8) & 0xff)
29	};
30
31	if (fe->ops.write)
32		return fe->ops.write(fe, buf, 3);
33	return 0;
34}
35
36#if IS_REACHABLE(CONFIG_DVB_CX24110)
37extern struct dvb_frontend *cx24110_attach(const struct cx24110_config *config,
38					   struct i2c_adapter *i2c);
39#else
40static inline struct dvb_frontend *cx24110_attach(const struct cx24110_config *config,
41						  struct i2c_adapter *i2c)
42{
43	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
44	return NULL;
45}
46#endif // CONFIG_DVB_CX24110
47
48#endif // CX24110_H
49