43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
Driver for VES1893 and VES1993 QPSK Demodulators
|
|
|
|
Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
|
|
Copyright (C) 2001 Ronny Strutz <3des@elitedvb.de>
|
|
Copyright (C) 2002 Dennis Noermann <dennis.noermann@noernet.de>
|
|
Copyright (C) 2002-2003 Andreas Oberritter <obi@linuxtv.org>
|
|
|
|
|
|
*/
|
|
|
|
#ifndef VES1X93_H
|
|
#define VES1X93_H
|
|
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
struct ves1x93_config
|
|
{
|
|
/* the demodulator's i2c address */
|
|
u8 demod_address;
|
|
|
|
/* value of XIN to use */
|
|
u32 xin;
|
|
|
|
/* should PWM be inverted? */
|
|
u8 invert_pwm:1;
|
|
};
|
|
|
|
#if IS_REACHABLE(CONFIG_DVB_VES1X93)
|
|
extern struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
|
|
struct i2c_adapter* i2c);
|
|
#else
|
|
static inline struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
|
|
struct i2c_adapter* i2c)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif // CONFIG_DVB_VES1X93
|
|
|
|
#endif // VES1X93_H
|