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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>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Support for LGDT3306A - 8VSB/QAM-B
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*
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* Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com>
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* based on lgdt3305.[ch] by Michael Krufky
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*/
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#ifndef _LGDT3306A_H_
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#define _LGDT3306A_H_
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#include <linux/i2c.h>
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#include <media/dvb_frontend.h>
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enum lgdt3306a_mpeg_mode {
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LGDT3306A_MPEG_PARALLEL = 0,
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LGDT3306A_MPEG_SERIAL = 1,
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};
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enum lgdt3306a_tp_clock_edge {
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LGDT3306A_TPCLK_RISING_EDGE = 0,
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LGDT3306A_TPCLK_FALLING_EDGE = 1,
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};
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enum lgdt3306a_tp_valid_polarity {
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LGDT3306A_TP_VALID_LOW = 0,
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LGDT3306A_TP_VALID_HIGH = 1,
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};
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struct lgdt3306a_config {
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u8 i2c_addr;
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/* user defined IF frequency in KHz */
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u16 qam_if_khz;
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u16 vsb_if_khz;
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/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
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unsigned int deny_i2c_rptr:1;
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/* spectral inversion - 0:disabled 1:enabled */
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unsigned int spectral_inversion:1;
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enum lgdt3306a_mpeg_mode mpeg_mode;
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enum lgdt3306a_tp_clock_edge tpclk_edge;
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enum lgdt3306a_tp_valid_polarity tpvalid_polarity;
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/* demod clock freq in MHz; 24 or 25 supported */
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int xtalMHz;
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/* returned by driver if using i2c bus multiplexing */
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struct dvb_frontend **fe;
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struct i2c_adapter **i2c_adapter;
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};
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#if IS_REACHABLE(CONFIG_DVB_LGDT3306A)
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struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
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struct i2c_adapter *i2c_adap);
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#else
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static inline
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struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
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struct i2c_adapter *i2c_adap)
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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_LGDT3306A */
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#endif /* _LGDT3306A_H_ */
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