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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/dvb-frontends/lgdt3305.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/lgdt3305.h')
-rw-r--r-- | drivers/media/dvb-frontends/lgdt3305.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lgdt3305.h b/drivers/media/dvb-frontends/lgdt3305.h new file mode 100644 index 000000000..a54daaee8 --- /dev/null +++ b/drivers/media/dvb-frontends/lgdt3305.h @@ -0,0 +1,92 @@ +/* + * Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM + * + * Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org> + * + * 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. + * + */ + +#ifndef _LGDT3305_H_ +#define _LGDT3305_H_ + +#include <linux/i2c.h> +#include <media/dvb_frontend.h> + + +enum lgdt3305_mpeg_mode { + LGDT3305_MPEG_PARALLEL = 0, + LGDT3305_MPEG_SERIAL = 1, +}; + +enum lgdt3305_tp_clock_edge { + LGDT3305_TPCLK_RISING_EDGE = 0, + LGDT3305_TPCLK_FALLING_EDGE = 1, +}; + +enum lgdt3305_tp_clock_mode { + LGDT3305_TPCLK_GATED = 0, + LGDT3305_TPCLK_FIXED = 1, +}; + +enum lgdt3305_tp_valid_polarity { + LGDT3305_TP_VALID_LOW = 0, + LGDT3305_TP_VALID_HIGH = 1, +}; + +enum lgdt_demod_chip_type { + LGDT3305 = 0, + LGDT3304 = 1, +}; + +struct lgdt3305_config { + u8 i2c_addr; + + /* user defined IF frequency in KHz */ + u16 qam_if_khz; + u16 vsb_if_khz; + + /* AGC Power reference - defaults are used if left unset */ + u16 usref_8vsb; /* default: 0x32c4 */ + u16 usref_qam64; /* default: 0x5400 */ + u16 usref_qam256; /* default: 0x2a80 */ + + /* 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; + + /* use RF AGC loop - 0:disabled 1:enabled */ + unsigned int rf_agc_loop:1; + + enum lgdt3305_mpeg_mode mpeg_mode; + enum lgdt3305_tp_clock_edge tpclk_edge; + enum lgdt3305_tp_clock_mode tpclk_mode; + enum lgdt3305_tp_valid_polarity tpvalid_polarity; + enum lgdt_demod_chip_type demod_chip; +}; + +#if IS_REACHABLE(CONFIG_DVB_LGDT3305) +extern +struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, + struct i2c_adapter *i2c_adap); +#else +static inline +struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, + struct i2c_adapter *i2c_adap) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_LGDT3305 */ + +#endif /* _LGDT3305_H_ */ |