57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Fujitsu mb86a20s driver
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*
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* Copyright (C) 2010 Mauro Carvalho Chehab
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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 as
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* published by the Free Software Foundation version 2.
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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 GNU
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* General Public License for more details.
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*/
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#ifndef MB86A20S_H
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#define MB86A20S_H
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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/**
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* struct mb86a20s_config - Define the per-device attributes of the frontend
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*
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* @fclk: Clock frequency. If zero, assumes the default
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* (32.57142 Mhz)
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* @demod_address: the demodulator's i2c address
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* @is_serial: if true, TS is serial. Otherwise, TS is parallel
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*/
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struct mb86a20s_config {
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u32 fclk;
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u8 demod_address;
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bool is_serial;
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};
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#if IS_ENABLED(CONFIG_DVB_MB86A20S)
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extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
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struct i2c_adapter *i2c);
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extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
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#else
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static inline struct dvb_frontend *mb86a20s_attach(
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const struct mb86a20s_config *config, 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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static struct i2c_adapter *
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mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
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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
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#endif /* MB86A20S */
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