From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/media/dvb-frontends/lgdt3306a.h | 69 +++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 drivers/media/dvb-frontends/lgdt3306a.h (limited to 'drivers/media/dvb-frontends/lgdt3306a.h') diff --git a/drivers/media/dvb-frontends/lgdt3306a.h b/drivers/media/dvb-frontends/lgdt3306a.h new file mode 100644 index 000000000..407e74b5d --- /dev/null +++ b/drivers/media/dvb-frontends/lgdt3306a.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Support for LGDT3306A - 8VSB/QAM-B + * + * Copyright (C) 2013,2014 Fred Richter + * based on lgdt3305.[ch] by Michael Krufky + */ + +#ifndef _LGDT3306A_H_ +#define _LGDT3306A_H_ + +#include +#include + + +enum lgdt3306a_mpeg_mode { + LGDT3306A_MPEG_PARALLEL = 0, + LGDT3306A_MPEG_SERIAL = 1, +}; + +enum lgdt3306a_tp_clock_edge { + LGDT3306A_TPCLK_RISING_EDGE = 0, + LGDT3306A_TPCLK_FALLING_EDGE = 1, +}; + +enum lgdt3306a_tp_valid_polarity { + LGDT3306A_TP_VALID_LOW = 0, + LGDT3306A_TP_VALID_HIGH = 1, +}; + +struct lgdt3306a_config { + u8 i2c_addr; + + /* user defined IF frequency in KHz */ + u16 qam_if_khz; + u16 vsb_if_khz; + + /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ + unsigned int deny_i2c_rptr:1; + + /* spectral inversion - 0:disabled 1:enabled */ + unsigned int spectral_inversion:1; + + enum lgdt3306a_mpeg_mode mpeg_mode; + enum lgdt3306a_tp_clock_edge tpclk_edge; + enum lgdt3306a_tp_valid_polarity tpvalid_polarity; + + /* demod clock freq in MHz; 24 or 25 supported */ + int xtalMHz; + + /* returned by driver if using i2c bus multiplexing */ + struct dvb_frontend **fe; + struct i2c_adapter **i2c_adapter; +}; + +#if IS_REACHABLE(CONFIG_DVB_LGDT3306A) +struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, + struct i2c_adapter *i2c_adap); +#else +static inline +struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, + struct i2c_adapter *i2c_adap) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_LGDT3306A */ + +#endif /* _LGDT3306A_H_ */ -- cgit v1.2.3