linux/drivers/media/dvb/frontends/zl10353.h
Chris Pascoe 794604c3ef V4L/DVB (6630): zl10353: calculate input frequency register instead of using hardcoded value
Now we know the zl10353's correct ADC clock, we can calculate the input
frequency registers correctly instead of just blindly setting them.

Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-01-25 19:02:21 -02:00

56 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
*/
#ifndef ZL10353_H
#define ZL10353_H
#include <linux/dvb/frontend.h>
struct zl10353_config
{
/* demodulator's I2C address */
u8 demod_address;
/* frequencies in kHz */
int adc_clock; /* default: 45056 */
int if2; /* default: 36167 */
/* set if no pll is connected to the secondary i2c bus */
int no_tuner;
/* set if parallel ts output is required */
int parallel_ts;
};
#if defined(CONFIG_DVB_ZL10353) || (defined(CONFIG_DVB_ZL10353_MODULE) && defined(MODULE))
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", __FUNCTION__);
return NULL;
}
#endif // CONFIG_DVB_ZL10353
#endif /* ZL10353_H */