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 
21 struct 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)
32 extern struct dvb_frontend *cx22702_attach(
33 	const struct cx22702_config *config,
34 	struct i2c_adapter *i2c);
35 #else
cx22702_attach(const struct cx22702_config * config,struct i2c_adapter * i2c)36 static 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
46