diff options
Diffstat (limited to 'drivers/media/tuners/xc5000.h')
-rw-r--r-- | drivers/media/tuners/xc5000.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/tuners/xc5000.h b/drivers/media/tuners/xc5000.h new file mode 100644 index 00000000000..b1a54749462 --- /dev/null +++ b/drivers/media/tuners/xc5000.h | |||
@@ -0,0 +1,74 @@ | |||
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 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
20 | */ | ||
21 | |||
22 | #ifndef __XC5000_H__ | ||
23 | #define __XC5000_H__ | ||
24 | |||
25 | #include <linux/firmware.h> | ||
26 | |||
27 | struct dvb_frontend; | ||
28 | struct i2c_adapter; | ||
29 | |||
30 | #define XC5000A 1 | ||
31 | #define XC5000C 2 | ||
32 | |||
33 | struct xc5000_config { | ||
34 | u8 i2c_address; | ||
35 | u32 if_khz; | ||
36 | u8 radio_input; | ||
37 | u16 xtal_khz; | ||
38 | |||
39 | int chip_id; | ||
40 | }; | ||
41 | |||
42 | /* xc5000 callback command */ | ||
43 | #define XC5000_TUNER_RESET 0 | ||
44 | |||
45 | /* Possible Radio inputs */ | ||
46 | #define XC5000_RADIO_NOT_CONFIGURED 0 | ||
47 | #define XC5000_RADIO_FM1 1 | ||
48 | #define XC5000_RADIO_FM2 2 | ||
49 | #define XC5000_RADIO_FM1_MONO 3 | ||
50 | |||
51 | /* For each bridge framework, when it attaches either analog or digital, | ||
52 | * it has to store a reference back to its _core equivalent structure, | ||
53 | * so that it can service the hardware by steering gpio's etc. | ||
54 | * Each bridge implementation is different so cast devptr accordingly. | ||
55 | * The xc5000 driver cares not for this value, other than ensuring | ||
56 | * it's passed back to a bridge during tuner_callback(). | ||
57 | */ | ||
58 | |||
59 | #if defined(CONFIG_MEDIA_TUNER_XC5000) || \ | ||
60 | (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE)) | ||
61 | extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, | ||
62 | struct i2c_adapter *i2c, | ||
63 | const struct xc5000_config *cfg); | ||
64 | #else | ||
65 | static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, | ||
66 | struct i2c_adapter *i2c, | ||
67 | const struct xc5000_config *cfg) | ||
68 | { | ||
69 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | ||
70 | return NULL; | ||
71 | } | ||
72 | #endif | ||
73 | |||
74 | #endif | ||