1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun cx24110 - Single Chip Satellite Channel Receiver driver module
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
6*4882a593Smuzhiyun work
7*4882a593Smuzhiyun Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #ifndef CX24110_H
13*4882a593Smuzhiyun #define CX24110_H
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/dvb/frontend.h>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun struct cx24110_config
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun /* the demodulator's i2c address */
20*4882a593Smuzhiyun u8 demod_address;
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun
cx24110_pll_write(struct dvb_frontend * fe,u32 val)23*4882a593Smuzhiyun static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun u8 buf[] = {
26*4882a593Smuzhiyun (u8)((val >> 24) & 0xff),
27*4882a593Smuzhiyun (u8)((val >> 16) & 0xff),
28*4882a593Smuzhiyun (u8)((val >> 8) & 0xff)
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun if (fe->ops.write)
32*4882a593Smuzhiyun return fe->ops.write(fe, buf, 3);
33*4882a593Smuzhiyun return 0;
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_CX24110)
37*4882a593Smuzhiyun extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
38*4882a593Smuzhiyun struct i2c_adapter* i2c);
39*4882a593Smuzhiyun #else
cx24110_attach(const struct cx24110_config * config,struct i2c_adapter * i2c)40*4882a593Smuzhiyun static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
41*4882a593Smuzhiyun struct i2c_adapter* i2c)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
44*4882a593Smuzhiyun return NULL;
45*4882a593Smuzhiyun }
46*4882a593Smuzhiyun #endif // CONFIG_DVB_CX24110
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun #endif // CX24110_H
49