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Based on 3 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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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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#ifndef __DVB_HELENE_H__
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#define __DVB_HELENE_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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* @xtal: Cristal frequency as described by &enum helene_xtal
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* @fe: Frontend for which connects this tuner
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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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struct dvb_frontend *fe;
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};
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#if IS_REACHABLE(CONFIG_DVB_HELENE)
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/**
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* Attach a helene tuner (terrestrial and cable standards)
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*
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* @fe: frontend to be attached
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* @config: pointer to &struct helene_config with tuner configuration.
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* @i2c: i2c adapter to use.
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*
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* return: FE pointer on success, NULL on failure.
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*/
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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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/**
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* Attach a helene tuner (satellite standards)
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*
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* @fe: frontend to be attached
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* @config: pointer to &struct helene_config with tuner configuration.
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* @i2c: i2c adapter to use.
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*
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* return: FE pointer on success, NULL on failure.
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*/
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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(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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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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