mirror of https://gitee.com/openkylin/linux.git
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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* mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator
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*
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* Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __MXL111SF_DEMOD_H__
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#define __MXL111SF_DEMOD_H__
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#include <linux/kconfig.h>
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#include "dvb_frontend.h"
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#include "mxl111sf.h"
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struct mxl111sf_demod_config {
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int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
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int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
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int (*program_regs)(struct mxl111sf_state *state,
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struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
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};
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#if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
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extern
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struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,
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struct mxl111sf_demod_config *cfg);
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#else
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static inline
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struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,
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struct mxl111sf_demod_config *cfg)
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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_USB_MXL111SF */
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#endif /* __MXL111SF_DEMOD_H__ */
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/*
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* Local variables:
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* c-basic-offset: 8
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* End:
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*/
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