49 строки
1.1 KiB
C
49 строки
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Conexant CX24120/CX24118 - DVB-S/S2 demod/tuner driver
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*
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* Copyright (C) 2008 Patrick Boettcher <pb@linuxtv.org>
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* Copyright (C) 2009 Sergey Tyurin <forum.free-x.de>
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* Updated 2012 by Jannis Achstetter <jannis_achstetter@web.de>
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* Copyright (C) 2015 Jemma Denson <jdenson@gmail.com>
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*/
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#ifndef CX24120_H
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#define CX24120_H
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#include <linux/dvb/frontend.h>
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#include <linux/firmware.h>
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struct cx24120_initial_mpeg_config {
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u8 x1;
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u8 x2;
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u8 x3;
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};
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struct cx24120_config {
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u8 i2c_addr;
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u32 xtal_khz;
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struct cx24120_initial_mpeg_config initial_mpeg_config;
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int (*request_firmware)(struct dvb_frontend *fe,
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const struct firmware **fw, char *name);
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/* max bytes I2C provider can write at once */
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u16 i2c_wr_max;
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};
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#if IS_REACHABLE(CONFIG_DVB_CX24120)
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struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline
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struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,
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struct i2c_adapter *i2c)
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{
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pr_warn("%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif /* CX24120_H */
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