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

50 lines
1.3 KiB
C

#ifndef _DRXK_H_
#define _DRXK_H_
#include <linux/types.h>
#include <linux/i2c.h>
/**
* struct drxk_config - Configure the initial parameters for DRX-K
*
* adr: I2C Address of the DRX-K
* single_master: Device is on the single master mode
* no_i2c_bridge: Don't switch the I2C bridge to talk with tuner
* antenna_gpio: GPIO bit used to control the antenna
* antenna_dvbt: GPIO bit for changing antenna to DVB-C. A value of 1
* means that 1=DVBC, 0 = DVBT. Zero means the opposite.
* microcode_name: Name of the firmware file with the microcode
*
* On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is
* UIO-3.
*/
struct drxk_config {
u8 adr;
bool single_master;
bool no_i2c_bridge;
bool antenna_dvbt;
u16 antenna_gpio;
int chunk_size;
const char *microcode_name;
};
#if defined(CONFIG_DVB_DRXK) || (defined(CONFIG_DVB_DRXK_MODULE) \
&& defined(MODULE))
extern struct dvb_frontend *drxk_attach(const struct drxk_config *config,
struct i2c_adapter *i2c,
struct dvb_frontend **fe_t);
#else
static inline struct dvb_frontend *drxk_attach(const struct drxk_config *config,
struct i2c_adapter *i2c,
struct dvb_frontend **fe_t)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif