2008-09-16 21:21:11 +00:00
|
|
|
#ifndef SI21XX_H
|
|
|
|
|
#define SI21XX_H
|
|
|
|
|
|
2013-03-21 19:11:54 +00:00
|
|
|
#include <linux/kconfig.h>
|
2008-09-16 21:21:11 +00:00
|
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
|
#include "dvb_frontend.h"
|
|
|
|
|
|
|
|
|
|
struct si21xx_config {
|
|
|
|
|
/* the demodulator's i2c address */
|
|
|
|
|
u8 demod_address;
|
|
|
|
|
|
|
|
|
|
/* minimum delay before retuning */
|
|
|
|
|
int min_delay_ms;
|
|
|
|
|
};
|
|
|
|
|
|
2015-02-18 17:12:42 +00:00
|
|
|
#if IS_REACHABLE(CONFIG_DVB_SI21XX)
|
2008-09-16 21:21:11 +00:00
|
|
|
extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
|
|
|
|
|
struct i2c_adapter *i2c);
|
|
|
|
|
#else
|
|
|
|
|
static inline struct dvb_frontend *si21xx_attach(
|
|
|
|
|
const struct si21xx_config *config, struct i2c_adapter *i2c)
|
|
|
|
|
{
|
|
|
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val)
|
|
|
|
|
{
|
|
|
|
|
int r = 0;
|
|
|
|
|
u8 buf[] = {reg, val};
|
|
|
|
|
if (fe->ops.write)
|
|
|
|
|
r = fe->ops.write(fe, buf, 2);
|
|
|
|
|
return r;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|
