80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* helene.h
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*
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* Sony HELENE DVB-S/S2/T/T2/C/C2/ISDB-T/S tuner driver (CXD2858ER)
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*
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* Copyright 2012 Sony Corporation
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* Copyright (C) 2014 NetUP Inc.
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* Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
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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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#ifndef __DVB_HELENE_H__
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#define __DVB_HELENE_H__
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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#include <linux/i2c.h>
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enum helene_xtal {
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SONY_HELENE_XTAL_16000, /* 16 MHz */
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SONY_HELENE_XTAL_20500, /* 20.5 MHz */
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SONY_HELENE_XTAL_24000, /* 24 MHz */
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SONY_HELENE_XTAL_41000 /* 41 MHz */
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};
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/**
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* struct helene_config - the configuration of 'Helene' tuner driver
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* @i2c_address: I2C address of the tuner
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* @xtal_freq_mhz: Oscillator frequency, MHz
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* @set_tuner_priv: Callback function private context
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* @set_tuner_callback: Callback function that notifies the parent driver
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* which tuner is active now
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*/
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struct helene_config {
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u8 i2c_address;
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u8 xtal_freq_mhz;
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void *set_tuner_priv;
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int (*set_tuner_callback)(void *, int);
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enum helene_xtal xtal;
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};
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#if IS_REACHABLE(CONFIG_DVB_HELENE)
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extern struct dvb_frontend *helene_attach(struct dvb_frontend *fe,
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const struct helene_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *helene_attach(struct dvb_frontend *fe,
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const struct helene_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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#if IS_REACHABLE(CONFIG_DVB_HELENE)
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extern struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe,
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const struct helene_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe,
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const struct helene_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
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