xref: /linux/drivers/media/dvb-frontends/stv0288.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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/kconfig.h>
31 #include <linux/dvb/frontend.h>
32 #include "dvb_frontend.h"
33 
34 struct stv0288_config {
35 	/* the demodulator's i2c address */
36 	u8 demod_address;
37 
38 	u8* inittab;
39 
40 	/* minimum delay before retuning */
41 	int min_delay_ms;
42 
43 	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
44 };
45 
46 #if IS_REACHABLE(CONFIG_DVB_STV0288)
47 extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
48 					   struct i2c_adapter *i2c);
49 #else
50 static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
51 					   struct i2c_adapter *i2c)
52 {
53 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
54 	return NULL;
55 }
56 #endif /* CONFIG_DVB_STV0288 */
57 
58 static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
59 {
60 	int r = 0;
61 	u8 buf[] = { reg, val };
62 	if (fe->ops.write)
63 		r = fe->ops.write(fe, buf, 2);
64 	return r;
65 }
66 
67 #endif /* STV0288_H */
68