linux-sg2042/drivers/media/dvb-frontends/zl10036.h

49 lines
1.4 KiB
C

/**
* Driver for Zarlink ZL10036 DVB-S silicon tuner
*
* Copyright (C) 2006 Tino Reichardt
* Copyright (C) 2007-2009 Matthias Schwarzott <zzam@gentoo.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2, as
* published by the Free Software Foundation.
*
* 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.
*/
#ifndef DVB_ZL10036_H
#define DVB_ZL10036_H
#include <linux/i2c.h>
#include <media/dvb_frontend.h>
struct zl10036_config {
u8 tuner_address;
int rf_loop_enable;
};
#if IS_REACHABLE(CONFIG_DVB_ZL10036)
/**
* Attach a zl10036 tuner to the supplied frontend structure.
*
* @fe: Frontend to attach to.
* @config: zl10036_config structure.
* @i2c: pointer to struct i2c_adapter.
* return: FE pointer on success, NULL on failure.
*/
extern struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
const struct zl10036_config *config, struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
const struct zl10036_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif /* DVB_ZL10036_H */