1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Elonics R820T silicon tuner driver
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef R820T_H
9*4882a593Smuzhiyun #define R820T_H
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <media/dvb_frontend.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun enum r820t_chip {
14*4882a593Smuzhiyun CHIP_R820T,
15*4882a593Smuzhiyun CHIP_R620D,
16*4882a593Smuzhiyun CHIP_R828D,
17*4882a593Smuzhiyun CHIP_R828,
18*4882a593Smuzhiyun CHIP_R828S,
19*4882a593Smuzhiyun CHIP_R820C,
20*4882a593Smuzhiyun };
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun struct r820t_config {
23*4882a593Smuzhiyun u8 i2c_addr; /* 0x34 */
24*4882a593Smuzhiyun u32 xtal;
25*4882a593Smuzhiyun enum r820t_chip rafael_chip;
26*4882a593Smuzhiyun unsigned max_i2c_msg_len;
27*4882a593Smuzhiyun bool use_diplexer;
28*4882a593Smuzhiyun bool use_predetect;
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_MEDIA_TUNER_R820T)
32*4882a593Smuzhiyun struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
33*4882a593Smuzhiyun struct i2c_adapter *i2c,
34*4882a593Smuzhiyun const struct r820t_config *cfg);
35*4882a593Smuzhiyun #else
r820t_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,const struct r820t_config * cfg)36*4882a593Smuzhiyun static inline struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
37*4882a593Smuzhiyun struct i2c_adapter *i2c,
38*4882a593Smuzhiyun const struct r820t_config *cfg)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun pr_warn("%s: driver disabled by Kconfig\n", __func__);
41*4882a593Smuzhiyun return NULL;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun #endif
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun #endif
46