xref: /openbmc/linux/drivers/media/dvb-frontends/stv0288.h (revision 9a0bf528b4d66b605f02634236da085595c22101)
1*9a0bf528SMauro Carvalho Chehab /*
2*9a0bf528SMauro Carvalho Chehab 	Driver for ST STV0288 demodulator
3*9a0bf528SMauro Carvalho Chehab 
4*9a0bf528SMauro Carvalho Chehab 	Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
5*9a0bf528SMauro Carvalho Chehab 		for Reel Multimedia
6*9a0bf528SMauro Carvalho Chehab 	Copyright (C) 2008 TurboSight.com, <bob@turbosight.com>
7*9a0bf528SMauro Carvalho Chehab 	Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
8*9a0bf528SMauro Carvalho Chehab 		Removed stb6000 specific tuner code and revised some
9*9a0bf528SMauro Carvalho Chehab 		procedures.
10*9a0bf528SMauro Carvalho Chehab 
11*9a0bf528SMauro Carvalho Chehab 	This program is free software; you can redistribute it and/or modify
12*9a0bf528SMauro Carvalho Chehab 	it under the terms of the GNU General Public License as published by
13*9a0bf528SMauro Carvalho Chehab 	the Free Software Foundation; either version 2 of the License, or
14*9a0bf528SMauro Carvalho Chehab 	(at your option) any later version.
15*9a0bf528SMauro Carvalho Chehab 
16*9a0bf528SMauro Carvalho Chehab 	This program is distributed in the hope that it will be useful,
17*9a0bf528SMauro Carvalho Chehab 	but WITHOUT ANY WARRANTY; without even the implied warranty of
18*9a0bf528SMauro Carvalho Chehab 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19*9a0bf528SMauro Carvalho Chehab 	GNU General Public License for more details.
20*9a0bf528SMauro Carvalho Chehab 
21*9a0bf528SMauro Carvalho Chehab 	You should have received a copy of the GNU General Public License
22*9a0bf528SMauro Carvalho Chehab 	along with this program; if not, write to the Free Software
23*9a0bf528SMauro Carvalho Chehab 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24*9a0bf528SMauro Carvalho Chehab 
25*9a0bf528SMauro Carvalho Chehab */
26*9a0bf528SMauro Carvalho Chehab 
27*9a0bf528SMauro Carvalho Chehab #ifndef STV0288_H
28*9a0bf528SMauro Carvalho Chehab #define STV0288_H
29*9a0bf528SMauro Carvalho Chehab 
30*9a0bf528SMauro Carvalho Chehab #include <linux/dvb/frontend.h>
31*9a0bf528SMauro Carvalho Chehab #include "dvb_frontend.h"
32*9a0bf528SMauro Carvalho Chehab 
33*9a0bf528SMauro Carvalho Chehab struct stv0288_config {
34*9a0bf528SMauro Carvalho Chehab 	/* the demodulator's i2c address */
35*9a0bf528SMauro Carvalho Chehab 	u8 demod_address;
36*9a0bf528SMauro Carvalho Chehab 
37*9a0bf528SMauro Carvalho Chehab 	u8* inittab;
38*9a0bf528SMauro Carvalho Chehab 
39*9a0bf528SMauro Carvalho Chehab 	/* minimum delay before retuning */
40*9a0bf528SMauro Carvalho Chehab 	int min_delay_ms;
41*9a0bf528SMauro Carvalho Chehab 
42*9a0bf528SMauro Carvalho Chehab 	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
43*9a0bf528SMauro Carvalho Chehab };
44*9a0bf528SMauro Carvalho Chehab 
45*9a0bf528SMauro Carvalho Chehab #if defined(CONFIG_DVB_STV0288) || (defined(CONFIG_DVB_STV0288_MODULE) && \
46*9a0bf528SMauro Carvalho Chehab 							defined(MODULE))
47*9a0bf528SMauro Carvalho Chehab extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
48*9a0bf528SMauro Carvalho Chehab 					   struct i2c_adapter *i2c);
49*9a0bf528SMauro Carvalho Chehab #else
50*9a0bf528SMauro Carvalho Chehab static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
51*9a0bf528SMauro Carvalho Chehab 					   struct i2c_adapter *i2c)
52*9a0bf528SMauro Carvalho Chehab {
53*9a0bf528SMauro Carvalho Chehab 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
54*9a0bf528SMauro Carvalho Chehab 	return NULL;
55*9a0bf528SMauro Carvalho Chehab }
56*9a0bf528SMauro Carvalho Chehab #endif /* CONFIG_DVB_STV0288 */
57*9a0bf528SMauro Carvalho Chehab 
58*9a0bf528SMauro Carvalho Chehab static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
59*9a0bf528SMauro Carvalho Chehab {
60*9a0bf528SMauro Carvalho Chehab 	int r = 0;
61*9a0bf528SMauro Carvalho Chehab 	u8 buf[] = { reg, val };
62*9a0bf528SMauro Carvalho Chehab 	if (fe->ops.write)
63*9a0bf528SMauro Carvalho Chehab 		r = fe->ops.write(fe, buf, 2);
64*9a0bf528SMauro Carvalho Chehab 	return r;
65*9a0bf528SMauro Carvalho Chehab }
66*9a0bf528SMauro Carvalho Chehab 
67*9a0bf528SMauro Carvalho Chehab #endif /* STV0288_H */
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