1 /*
2 Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
3
4 Copyright (C) 2005 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 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #ifndef CX24123_H
22 #define CX24123_H
23
24 #include <linux/dvb/frontend.h>
25
26 struct cx24123_config {
27 /* the demodulator's i2c address */
28 u8 demod_address;
29
30 /* Need to set device param for start_dma */
31 int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
32
33 /* 0 = LNB voltage normal, 1 = LNB voltage inverted */
34 int lnb_polarity;
35
36 /* this device has another tuner */
37 u8 dont_use_pll;
38 void (*agc_callback) (struct dvb_frontend *);
39 };
40
41 #if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) \
42 && defined(MODULE))
43 extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
44 struct i2c_adapter *i2c);
45 extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
46 #else
cx24123_attach(const struct cx24123_config * config,struct i2c_adapter * i2c)47 static inline struct dvb_frontend *cx24123_attach(
48 const struct cx24123_config *config, struct i2c_adapter *i2c)
49 {
50 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
51 return NULL;
52 }
53 static struct i2c_adapter *
cx24123_get_tuner_i2c_adapter(struct dvb_frontend * fe)54 cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
55 {
56 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57 return NULL;
58 }
59 #endif
60
61 #endif /* CX24123_H */
62