xref: /OK3568_Linux_fs/kernel/drivers/media/dvb-frontends/stv0288.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun 	Driver for ST STV0288 demodulator
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun 	Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
6*4882a593Smuzhiyun 		for Reel Multimedia
7*4882a593Smuzhiyun 	Copyright (C) 2008 TurboSight.com, <bob@turbosight.com>
8*4882a593Smuzhiyun 	Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
9*4882a593Smuzhiyun 		Removed stb6000 specific tuner code and revised some
10*4882a593Smuzhiyun 		procedures.
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun */
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #ifndef STV0288_H
16*4882a593Smuzhiyun #define STV0288_H
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #include <linux/dvb/frontend.h>
19*4882a593Smuzhiyun #include <media/dvb_frontend.h>
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun struct stv0288_config {
22*4882a593Smuzhiyun 	/* the demodulator's i2c address */
23*4882a593Smuzhiyun 	u8 demod_address;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	u8* inittab;
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	/* minimum delay before retuning */
28*4882a593Smuzhiyun 	int min_delay_ms;
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_STV0288)
34*4882a593Smuzhiyun extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
35*4882a593Smuzhiyun 					   struct i2c_adapter *i2c);
36*4882a593Smuzhiyun #else
stv0288_attach(const struct stv0288_config * config,struct i2c_adapter * i2c)37*4882a593Smuzhiyun static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
38*4882a593Smuzhiyun 					   struct i2c_adapter *i2c)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
41*4882a593Smuzhiyun 	return NULL;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun #endif /* CONFIG_DVB_STV0288 */
44*4882a593Smuzhiyun 
stv0288_writereg(struct dvb_frontend * fe,u8 reg,u8 val)45*4882a593Smuzhiyun static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun 	int r = 0;
48*4882a593Smuzhiyun 	u8 buf[] = { reg, val };
49*4882a593Smuzhiyun 	if (fe->ops.write)
50*4882a593Smuzhiyun 		r = fe->ops.write(fe, buf, 2);
51*4882a593Smuzhiyun 	return r;
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #endif /* STV0288_H */
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