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