1 /*
2 	Driver for ST STV0288 demodulator
3 
4 	Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
5 		for Reel Multimedia
6 	Copyright (C) 2008 TurboSight.com, <bob@turbosight.com>
7 	Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
8 		Removed stb6000 specific tuner code and revised some
9 		procedures.
10 
11 	This program is free software; you can redistribute it and/or modify
12 	it under the terms of the GNU General Public License as published by
13 	the Free Software Foundation; either version 2 of the License, or
14 	(at your option) any later version.
15 
16 	This program is distributed in the hope that it will be useful,
17 	but WITHOUT ANY WARRANTY; without even the implied warranty of
18 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 	GNU General Public License for more details.
20 
21 	You should have received a copy of the GNU General Public License
22 	along with this program; if not, write to the Free Software
23 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 
25 */
26 
27 #ifndef STV0288_H
28 #define STV0288_H
29 
30 #include <linux/dvb/frontend.h>
31 #include <media/dvb_frontend.h>
32 
33 struct stv0288_config {
34 	/* the demodulator's i2c address */
35 	u8 demod_address;
36 
37 	u8* inittab;
38 
39 	/* minimum delay before retuning */
40 	int min_delay_ms;
41 
42 	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
43 };
44 
45 #if IS_REACHABLE(CONFIG_DVB_STV0288)
46 extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
47 					   struct i2c_adapter *i2c);
48 #else
49 static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
50 					   struct i2c_adapter *i2c)
51 {
52 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
53 	return NULL;
54 }
55 #endif /* CONFIG_DVB_STV0288 */
56 
57 static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
58 {
59 	int r = 0;
60 	u8 buf[] = { reg, val };
61 	if (fe->ops.write)
62 		r = fe->ops.write(fe, buf, 2);
63 	return r;
64 }
65 
66 #endif /* STV0288_H */
67