49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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cx24110 - Single Chip Satellite Channel Receiver driver module
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Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
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work
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Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
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*/
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#ifndef CX24110_H
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#define CX24110_H
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#include <linux/dvb/frontend.h>
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struct cx24110_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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};
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static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
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{
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u8 buf[] = {
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(u8)((val >> 24) & 0xff),
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(u8)((val >> 16) & 0xff),
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(u8)((val >> 8) & 0xff)
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};
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if (fe->ops.write)
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return fe->ops.write(fe, buf, 3);
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return 0;
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}
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#if IS_REACHABLE(CONFIG_DVB_CX24110)
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extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
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struct i2c_adapter* i2c);
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#else
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static inline struct dvb_frontend* cx24110_attach(const struct cx24110_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_CX24110
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#endif // CX24110_H
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