xref: /OK3568_Linux_fs/kernel/drivers/media/dvb-frontends/tda8083.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun     Driver for Grundig 29504-491, a Philips TDA8083 based QPSK Frontend
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun     Copyright (C) 2001 Convergence Integrated Media GmbH
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun     written by Ralph Metzler <ralph@convergence.de>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun     adoption to the new DVB frontend API and diagnostic ioctl's
10*4882a593Smuzhiyun     by Holger Waechtler <holger@convergence.de>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun */
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #ifndef TDA8083_H
16*4882a593Smuzhiyun #define TDA8083_H
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #include <linux/dvb/frontend.h>
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun struct tda8083_config
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	/* the demodulator's i2c address */
23*4882a593Smuzhiyun 	u8 demod_address;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_TDA8083)
27*4882a593Smuzhiyun extern struct dvb_frontend* tda8083_attach(const struct tda8083_config* config,
28*4882a593Smuzhiyun 					   struct i2c_adapter* i2c);
29*4882a593Smuzhiyun #else
tda8083_attach(const struct tda8083_config * config,struct i2c_adapter * i2c)30*4882a593Smuzhiyun static inline struct dvb_frontend* tda8083_attach(const struct tda8083_config* config,
31*4882a593Smuzhiyun 					   struct i2c_adapter* i2c)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
34*4882a593Smuzhiyun 	return NULL;
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun #endif // CONFIG_DVB_TDA8083
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif // TDA8083_H
39