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