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Based on 1 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 version 2 as published by the free software foundation 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-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/**
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* Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
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*
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* Copyright (C) 2010 Malcolm Priestley
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*/
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#ifndef DVB_IX2505V_H
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#define DVB_IX2505V_H
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#include <linux/i2c.h>
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#include <media/dvb_frontend.h>
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/**
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* struct ix2505v_config - ix2505 attachment configuration
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*
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* @tuner_address: tuner address
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* @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB
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* @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default)
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* @min_delay_ms: delay after tune
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* @tuner_write_only: disables reads
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*/
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struct ix2505v_config {
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u8 tuner_address;
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u8 tuner_gain;
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u8 tuner_chargepump;
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int min_delay_ms;
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u8 tuner_write_only;
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};
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#if IS_REACHABLE(CONFIG_DVB_IX2505V)
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/**
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* Attach a ix2505v tuner to the supplied frontend structure.
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*
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* @fe: Frontend to attach to.
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* @config: pointer to &struct ix2505v_config
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* @i2c: pointer to &struct i2c_adapter.
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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 *ix2505v_attach(struct dvb_frontend *fe,
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const struct ix2505v_config *config, struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
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const struct ix2505v_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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#endif
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#endif /* DVB_IX2505V_H */
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