linuxdebug/drivers/media/dvb-frontends/drxd.h

56 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* drxd.h: DRXD DVB-T demodulator driver
*
* Copyright (C) 2005-2007 Micronas
*/
#ifndef _DRXD_H_
#define _DRXD_H_
#include <linux/types.h>
#include <linux/i2c.h>
struct drxd_config {
u8 index;
u8 pll_address;
u8 pll_type;
#define DRXD_PLL_NONE 0
#define DRXD_PLL_DTT7520X 1
#define DRXD_PLL_MT3X0823 2
u32 clock;
u8 insert_rs_byte;
u8 demod_address;
u8 demoda_address;
u8 demod_revision;
/* If the tuner is not behind an i2c gate, be sure to flip this bit
or else the i2c bus could get wedged */
u8 disable_i2c_gate_ctrl;
u32 IF;
s16(*osc_deviation) (void *priv, s16 dev, int flag);
};
#if IS_REACHABLE(CONFIG_DVB_DRXD)
extern
struct dvb_frontend *drxd_attach(const struct drxd_config *config,
void *priv, struct i2c_adapter *i2c,
struct device *dev);
#else
static inline
struct dvb_frontend *drxd_attach(const struct drxd_config *config,
void *priv, struct i2c_adapter *i2c,
struct device *dev)
{
printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
__func__);
return NULL;
}
#endif
#endif