linux/drivers/media/dvb-frontends/zl10353.h

59 lines
1.7 KiB
C

/*
* Driver for Zarlink DVB-T ZL10353 demodulator
*
* Copyright (C) 2006, 2007 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
*
* 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.
*/
#ifndef ZL10353_H
#define ZL10353_H
#include <linux/dvb/frontend.h>
struct zl10353_config
{
/* demodulator's I2C address */
u8 demod_address;
/* frequencies in units of 0.1kHz */
int adc_clock; /* default: 450560 (45.056 MHz) */
int if2; /* default: 361667 (36.1667 MHz) */
/* set if no pll is connected to the secondary i2c bus */
int no_tuner;
/* set if parallel ts output is required */
int parallel_ts;
/* set if i2c_gate_ctrl disable is required */
u8 disable_i2c_gate_ctrl:1;
/* clock control registers (0x51-0x54) */
u8 clock_ctl_1; /* default: 0x46 */
u8 pll_0; /* default: 0x15 */
};
#if IS_REACHABLE(CONFIG_DVB_ZL10353)
extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_ZL10353 */
#endif /* ZL10353_H */