1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef __XC5000_H__
9*4882a593Smuzhiyun #define __XC5000_H__
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/firmware.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun struct dvb_frontend;
14*4882a593Smuzhiyun struct i2c_adapter;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #define XC5000A 1
17*4882a593Smuzhiyun #define XC5000C 2
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun struct xc5000_config {
20*4882a593Smuzhiyun u8 i2c_address;
21*4882a593Smuzhiyun u32 if_khz;
22*4882a593Smuzhiyun u8 radio_input;
23*4882a593Smuzhiyun u16 xtal_khz;
24*4882a593Smuzhiyun u16 output_amp;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun int chip_id;
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun /* xc5000 callback command */
30*4882a593Smuzhiyun #define XC5000_TUNER_RESET 0
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun /* Possible Radio inputs */
33*4882a593Smuzhiyun #define XC5000_RADIO_NOT_CONFIGURED 0
34*4882a593Smuzhiyun #define XC5000_RADIO_FM1 1
35*4882a593Smuzhiyun #define XC5000_RADIO_FM2 2
36*4882a593Smuzhiyun #define XC5000_RADIO_FM1_MONO 3
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun /* For each bridge framework, when it attaches either analog or digital,
39*4882a593Smuzhiyun * it has to store a reference back to its _core equivalent structure,
40*4882a593Smuzhiyun * so that it can service the hardware by steering gpio's etc.
41*4882a593Smuzhiyun * Each bridge implementation is different so cast devptr accordingly.
42*4882a593Smuzhiyun * The xc5000 driver cares not for this value, other than ensuring
43*4882a593Smuzhiyun * it's passed back to a bridge during tuner_callback().
44*4882a593Smuzhiyun */
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC5000)
47*4882a593Smuzhiyun extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
48*4882a593Smuzhiyun struct i2c_adapter *i2c,
49*4882a593Smuzhiyun const struct xc5000_config *cfg);
50*4882a593Smuzhiyun #else
xc5000_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,const struct xc5000_config * cfg)51*4882a593Smuzhiyun static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
52*4882a593Smuzhiyun struct i2c_adapter *i2c,
53*4882a593Smuzhiyun const struct xc5000_config *cfg)
54*4882a593Smuzhiyun {
55*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
56*4882a593Smuzhiyun return NULL;
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun #endif
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun #endif
61