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

50 lines
1.5 KiB
C

/*
* Driver for DVB-T s921 demodulator
*
* Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
*/
#ifndef S921_MODULE_H
#define S921_MODULE_H
#include <linux/dvb/frontend.h>
#include "s921_core.h"
int s921_isdb_init(struct s921_isdb_t *dev);
int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data);
struct s921_config
{
/* demodulator's I2C address */
u8 i2c_address;
};
#if defined(CONFIG_DVB_S921) || (defined(CONFIG_DVB_S921_MODULE) && defined(MODULE))
extern struct dvb_frontend* s921_attach(const struct s921_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend* s921_attach(const struct s921_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_S921 */
#endif /* S921_H */