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- /* 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
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