1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef __MT2131_H__
9*4882a593Smuzhiyun #define __MT2131_H__
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun struct dvb_frontend;
12*4882a593Smuzhiyun struct i2c_adapter;
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun struct mt2131_config {
15*4882a593Smuzhiyun u8 i2c_address;
16*4882a593Smuzhiyun u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
17*4882a593Smuzhiyun };
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131)
20*4882a593Smuzhiyun extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
21*4882a593Smuzhiyun struct i2c_adapter *i2c,
22*4882a593Smuzhiyun struct mt2131_config *cfg,
23*4882a593Smuzhiyun u16 if1);
24*4882a593Smuzhiyun #else
mt2131_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,struct mt2131_config * cfg,u16 if1)25*4882a593Smuzhiyun static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
26*4882a593Smuzhiyun struct i2c_adapter *i2c,
27*4882a593Smuzhiyun struct mt2131_config *cfg,
28*4882a593Smuzhiyun u16 if1)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
31*4882a593Smuzhiyun return NULL;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun #endif /* CONFIG_MEDIA_TUNER_MT2131 */
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #endif /* __MT2131_H__ */
36