xref: /OK3568_Linux_fs/kernel/drivers/media/tuners/qt1010.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  Driver for Quantek QT1010 silicon tuner
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *  Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
6*4882a593Smuzhiyun  *                     Aapo Tahkola <aet@rasterburn.org>
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef QT1010_H
10*4882a593Smuzhiyun #define QT1010_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <media/dvb_frontend.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct qt1010_config {
15*4882a593Smuzhiyun 	u8 i2c_address;
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun /**
19*4882a593Smuzhiyun  * Attach a qt1010 tuner to the supplied frontend structure.
20*4882a593Smuzhiyun  *
21*4882a593Smuzhiyun  * @param fe   frontend to attach to
22*4882a593Smuzhiyun  * @param i2c  i2c adapter to use
23*4882a593Smuzhiyun  * @param cfg  tuner hw based configuration
24*4882a593Smuzhiyun  * @return fe  pointer on success, NULL on failure
25*4882a593Smuzhiyun  */
26*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_MEDIA_TUNER_QT1010)
27*4882a593Smuzhiyun extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
28*4882a593Smuzhiyun 					  struct i2c_adapter *i2c,
29*4882a593Smuzhiyun 					  struct qt1010_config *cfg);
30*4882a593Smuzhiyun #else
qt1010_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,struct qt1010_config * cfg)31*4882a593Smuzhiyun static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
32*4882a593Smuzhiyun 						 struct i2c_adapter *i2c,
33*4882a593Smuzhiyun 						 struct qt1010_config *cfg)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
36*4882a593Smuzhiyun 	return NULL;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun #endif // CONFIG_MEDIA_TUNER_QT1010
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #endif
41