/drivers/media/dvb/frontends/s921_module.h

 1/*
 2 *  Driver for DVB-T s921 demodulator
 3 *
 4 *  Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de>
 5 *
 6 *  This program is free software; you can redistribute it and/or modify
 7 *  it under the terms of the GNU General Public License as published by
 8 *  the Free Software Foundation; either version 2 of the License, or
 9 *  (at your option) any later version.
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *
15 *  GNU General Public License for more details.
16 *
17 *  You should have received a copy of the GNU General Public License
18 *  along with this program; if not, write to the Free Software
19 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
20 */
21
22#ifndef S921_MODULE_H
23#define S921_MODULE_H
24
25#include <linux/dvb/frontend.h>
26#include "s921_core.h"
27
28int s921_isdb_init(struct s921_isdb_t *dev);
29int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data);
30
31struct s921_config
32{
33	/* demodulator's I2C address */
34	u8 i2c_address;
35};
36
37#if defined(CONFIG_DVB_S921) || (defined(CONFIG_DVB_S921_MODULE) && defined(MODULE))
38extern struct dvb_frontend* s921_attach(const struct s921_config *config,
39					   struct i2c_adapter *i2c);
40#else
41static inline struct dvb_frontend* s921_attach(const struct s921_config *config,
42					   struct i2c_adapter *i2c)
43{
44	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45	return NULL;
46}
47#endif /* CONFIG_DVB_S921 */
48
49#endif /* S921_H */