1 /*
2 cx24110 - Single Chip Satellite Channel Receiver driver module
3
4 Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
5 work
6 Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22
23 */
24
25 #ifndef CX24110_H
26 #define CX24110_H
27
28 #include <linux/dvb/frontend.h>
29
30 struct cx24110_config
31 {
32 /* the demodulator's i2c address */
33 u8 demod_address;
34 };
35
cx24110_pll_write(struct dvb_frontend * fe,u32 val)36 static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
37 {
38 u8 buf[] = {
39 (u8)((val >> 24) & 0xff),
40 (u8)((val >> 16) & 0xff),
41 (u8)((val >> 8) & 0xff)
42 };
43
44 if (fe->ops.write)
45 return fe->ops.write(fe, buf, 3);
46 return 0;
47 }
48
49 #if IS_REACHABLE(CONFIG_DVB_CX24110)
50 extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
51 struct i2c_adapter* i2c);
52 #else
cx24110_attach(const struct cx24110_config * config,struct i2c_adapter * i2c)53 static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
54 struct i2c_adapter* i2c)
55 {
56 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57 return NULL;
58 }
59 #endif // CONFIG_DVB_CX24110
60
61 #endif // CX24110_H
62