cx22702.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3    Conexant 22702 DVB OFDM demodulator driver
 4
 5    based on:
 6	Alps TDMB7 DVB OFDM demodulator driver
 7
 8    Copyright (C) 2001-2002 Convergence Integrated Media GmbH
 9	  Holger Waechtler <holger@convergence.de>
10
11    Copyright (C) 2004 Steven Toth <stoth@linuxtv.org>
12
13
14*/
15
16#ifndef CX22702_H
17#define CX22702_H
18
19#include <linux/dvb/frontend.h>
20
21struct cx22702_config {
22	/* the demodulator's i2c address */
23	u8 demod_address;
24
25	/* serial/parallel output */
26#define CX22702_PARALLEL_OUTPUT 0
27#define CX22702_SERIAL_OUTPUT   1
28	u8 output_mode;
29};
30
31#if IS_REACHABLE(CONFIG_DVB_CX22702)
32extern struct dvb_frontend *cx22702_attach(
33	const struct cx22702_config *config,
34	struct i2c_adapter *i2c);
35#else
36static inline struct dvb_frontend *cx22702_attach(
37	const struct cx22702_config *config,
38	struct i2c_adapter *i2c)
39{
40	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
41	return NULL;
42}
43#endif
44
45#endif