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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/lgdt3306a.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/lgdt3306a.h')
-rw-r--r-- | drivers/media/dvb-frontends/lgdt3306a.h | 69 |
1 files changed, 69 insertions, 0 deletions
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 <frichter@hauppauge.com> + * based on lgdt3305.[ch] by Michael Krufky + */ + +#ifndef _LGDT3306A_H_ +#define _LGDT3306A_H_ + +#include <linux/i2c.h> +#include <media/dvb_frontend.h> + + +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_ */ |