diff options
Diffstat (limited to 'drivers/media/common/tuners/tda827x.h')
-rw-r--r-- | drivers/media/common/tuners/tda827x.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/tda827x.h b/drivers/media/common/tuners/tda827x.h new file mode 100644 index 000000000000..7850a9a1dc8f --- /dev/null +++ b/drivers/media/common/tuners/tda827x.h | |||
@@ -0,0 +1,69 @@ | |||
1 | /* | ||
2 | DVB Driver for Philips tda827x / tda827xa Silicon tuners | ||
3 | |||
4 | (c) 2005 Hartmut Hackmann | ||
5 | (c) 2007 Michael Krufky | ||
6 | |||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of the GNU General Public License as published by | ||
9 | the Free Software Foundation; either version 2 of the License, or | ||
10 | (at your option) any later version. | ||
11 | |||
12 | This program is distributed in the hope that it will be useful, | ||
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | |||
16 | GNU General Public License for more details. | ||
17 | |||
18 | You should have received a copy of the GNU General Public License | ||
19 | along with this program; if not, write to the Free Software | ||
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | |||
22 | */ | ||
23 | |||
24 | #ifndef __DVB_TDA827X_H__ | ||
25 | #define __DVB_TDA827X_H__ | ||
26 | |||
27 | #include <linux/i2c.h> | ||
28 | #include "dvb_frontend.h" | ||
29 | |||
30 | struct tda827x_config | ||
31 | { | ||
32 | /* saa7134 - provided callbacks */ | ||
33 | int (*init) (struct dvb_frontend *fe); | ||
34 | int (*sleep) (struct dvb_frontend *fe); | ||
35 | |||
36 | /* interface to tda829x driver */ | ||
37 | unsigned int config; | ||
38 | int switch_addr; | ||
39 | int (*tuner_callback) (void *dev, int command, int arg); | ||
40 | |||
41 | void (*agcf)(struct dvb_frontend *fe); | ||
42 | }; | ||
43 | |||
44 | |||
45 | /** | ||
46 | * Attach a tda827x tuner to the supplied frontend structure. | ||
47 | * | ||
48 | * @param fe Frontend to attach to. | ||
49 | * @param addr i2c address of the tuner. | ||
50 | * @param i2c i2c adapter to use. | ||
51 | * @param cfg optional callback function pointers. | ||
52 | * @return FE pointer on success, NULL on failure. | ||
53 | */ | ||
54 | #if defined(CONFIG_MEDIA_TUNER_TDA827X) || (defined(CONFIG_MEDIA_TUNER_TDA827X_MODULE) && defined(MODULE)) | ||
55 | extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr, | ||
56 | struct i2c_adapter *i2c, | ||
57 | struct tda827x_config *cfg); | ||
58 | #else | ||
59 | static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, | ||
60 | int addr, | ||
61 | struct i2c_adapter *i2c, | ||
62 | struct tda827x_config *cfg) | ||
63 | { | ||
64 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | ||
65 | return NULL; | ||
66 | } | ||
67 | #endif // CONFIG_MEDIA_TUNER_TDA827X | ||
68 | |||
69 | #endif // __DVB_TDA827X_H__ | ||