64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Driver for the MaxLinear MxL5xx family of tuners/demods
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*
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* Copyright (C) 2014-2015 Ralph Metzler <rjkm@metzlerbros.de>
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* Marcus Metzler <mocm@metzlerbros.de>
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* developed for Digital Devices GmbH
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*
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* based on code:
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* Copyright (c) 2011-2013 MaxLinear, Inc. All rights reserved
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* which was released under GPL V2
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _MXL5XX_H_
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#define _MXL5XX_H_
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#include <linux/types.h>
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#include <linux/i2c.h>
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#include <media/dvb_frontend.h>
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struct mxl5xx_cfg {
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u8 adr;
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u8 type;
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u32 cap;
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u32 clk;
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u32 ts_clk;
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u8 *fw;
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u32 fw_len;
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int (*fw_read)(void *priv, u8 *buf, u32 len);
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void *fw_priv;
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};
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#if IS_REACHABLE(CONFIG_DVB_MXL5XX)
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extern struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
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struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
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int (**fn_set_input)(struct dvb_frontend *, int));
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#else
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static inline struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
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struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
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int (**fn_set_input)(struct dvb_frontend *, int))
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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 /* CONFIG_DVB_MXL5XX */
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#endif /* _MXL5XX_H_ */
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