1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Driver for Infineon tua6100 PLL.
4  *
5  * (c) 2006 Andrew de Quincey
6  *
7  * Based on code found in budget-av.c, which has the following:
8  * Compiled from various sources by Michael Hunold <michael@mihu.de>
9  *
10  * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> &
11  *                               Andrew de Quincey <adq_dvb@lidskialf.net>
12  *
13  * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
14  *
15  * Copyright (C) 1999-2002 Ralph  Metzler
16  *                       & Marcus Metzler for convergence integrated media GmbH
17  */
18 
19 #ifndef __DVB_TUA6100_H__
20 #define __DVB_TUA6100_H__
21 
22 #include <linux/i2c.h>
23 #include <media/dvb_frontend.h>
24 
25 #if IS_REACHABLE(CONFIG_DVB_TUA6100)
26 extern struct dvb_frontend *tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c);
27 #else
28 static inline struct dvb_frontend* tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c)
29 {
30 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
31 	return NULL;
32 }
33 #endif // CONFIG_DVB_TUA6100
34 
35 #endif
36