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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>
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
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*
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* Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org>
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*/
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#ifndef _LGDT3305_H_
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#define _LGDT3305_H_
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#include <linux/i2c.h>
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#include <media/dvb_frontend.h>
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enum lgdt3305_mpeg_mode {
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LGDT3305_MPEG_PARALLEL = 0,
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LGDT3305_MPEG_SERIAL = 1,
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};
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enum lgdt3305_tp_clock_edge {
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LGDT3305_TPCLK_RISING_EDGE = 0,
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LGDT3305_TPCLK_FALLING_EDGE = 1,
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};
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enum lgdt3305_tp_clock_mode {
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LGDT3305_TPCLK_GATED = 0,
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LGDT3305_TPCLK_FIXED = 1,
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};
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enum lgdt3305_tp_valid_polarity {
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LGDT3305_TP_VALID_LOW = 0,
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LGDT3305_TP_VALID_HIGH = 1,
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};
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enum lgdt_demod_chip_type {
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LGDT3305 = 0,
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LGDT3304 = 1,
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};
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struct lgdt3305_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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/* AGC Power reference - defaults are used if left unset */
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u16 usref_8vsb; /* default: 0x32c4 */
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u16 usref_qam64; /* default: 0x5400 */
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u16 usref_qam256; /* default: 0x2a80 */
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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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/* use RF AGC loop - 0:disabled 1:enabled */
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unsigned int rf_agc_loop:1;
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enum lgdt3305_mpeg_mode mpeg_mode;
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enum lgdt3305_tp_clock_edge tpclk_edge;
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enum lgdt3305_tp_clock_mode tpclk_mode;
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enum lgdt3305_tp_valid_polarity tpvalid_polarity;
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enum lgdt_demod_chip_type demod_chip;
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};
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#if IS_REACHABLE(CONFIG_DVB_LGDT3305)
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extern
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struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_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 *lgdt3305_attach(const struct lgdt3305_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_LGDT3305 */
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#endif /* _LGDT3305_H_ */
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