1 /*
2 * Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
3 *
4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 *
15 * GNU General Public License for more details.
16 */
17
18 #ifndef __XC5000_H__
19 #define __XC5000_H__
20
21 #include <linux/firmware.h>
22
23 struct dvb_frontend;
24 struct i2c_adapter;
25
26 #define XC5000A 1
27 #define XC5000C 2
28
29 struct xc5000_config {
30 u8 i2c_address;
31 u32 if_khz;
32 u8 radio_input;
33 u16 xtal_khz;
34 u16 output_amp;
35
36 int chip_id;
37 };
38
39 /* xc5000 callback command */
40 #define XC5000_TUNER_RESET 0
41
42 /* Possible Radio inputs */
43 #define XC5000_RADIO_NOT_CONFIGURED 0
44 #define XC5000_RADIO_FM1 1
45 #define XC5000_RADIO_FM2 2
46 #define XC5000_RADIO_FM1_MONO 3
47
48 /* For each bridge framework, when it attaches either analog or digital,
49 * it has to store a reference back to its _core equivalent structure,
50 * so that it can service the hardware by steering gpio's etc.
51 * Each bridge implementation is different so cast devptr accordingly.
52 * The xc5000 driver cares not for this value, other than ensuring
53 * it's passed back to a bridge during tuner_callback().
54 */
55
56 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC5000)
57 extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
58 struct i2c_adapter *i2c,
59 const struct xc5000_config *cfg);
60 #else
xc5000_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,const struct xc5000_config * cfg)61 static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
62 struct i2c_adapter *i2c,
63 const struct xc5000_config *cfg)
64 {
65 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
66 return NULL;
67 }
68 #endif
69
70 #endif
71
