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[media] si2165: Add demod driver for DVB-T only
DVB-T was tested with 8MHz BW channels in germany This driver is the simplest possible, it uses automatic mode for all parameters (TPS). Added spectrum inversion support. Signed-off-by: Matthias Schwarzott <zzam@gentoo.org> Tested-by: Mauro Carvalho Chehab <m.chehab@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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@ -63,6 +63,15 @@ config DVB_TDA18271C2DD
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Say Y when you want to support this tuner.
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config DVB_SI2165
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tristate "Silicon Labs si2165 based"
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depends on DVB_CORE && I2C
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default m if !MEDIA_SUBDRV_AUTOSELECT
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help
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A DVB-C/T demodulator.
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Say Y when you want to support this frontend.
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comment "DVB-S (satellite) frontends"
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depends on DVB_CORE
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@ -105,6 +105,7 @@ obj-$(CONFIG_DVB_STV0367) += stv0367.o
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obj-$(CONFIG_DVB_CXD2820R) += cxd2820r.o
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obj-$(CONFIG_DVB_DRXK) += drxk.o
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obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o
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obj-$(CONFIG_DVB_SI2165) += si2165.o
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obj-$(CONFIG_DVB_A8293) += a8293.o
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obj-$(CONFIG_DVB_TDA10071) += tda10071.o
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obj-$(CONFIG_DVB_RTL2830) += rtl2830.o
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1040
drivers/media/dvb-frontends/si2165.c
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1040
drivers/media/dvb-frontends/si2165.c
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File diff suppressed because it is too large
Load Diff
64
drivers/media/dvb-frontends/si2165.h
Normal file
64
drivers/media/dvb-frontends/si2165.h
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@ -0,0 +1,64 @@
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/*
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Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
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Copyright (C) 2013-2014 Matthias Schwarzott <zzam@gentoo.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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References:
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http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
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*/
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#ifndef _DVB_SI2165_H
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#define _DVB_SI2165_H
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#include <linux/dvb/frontend.h>
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#if IS_ENABLED(CONFIG_DVB_SI2165)
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enum {
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SI2165_MODE_OFF = 0x00,
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SI2165_MODE_PLL_EXT = 0x20,
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SI2165_MODE_PLL_XTAL = 0x21
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};
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struct si2165_config {
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/* i2c addr
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* possible values: 0x64,0x65,0x66,0x67 */
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u8 i2c_addr;
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/* external clock or XTAL */
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u8 chip_mode;
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/* frequency of external clock or xtal in Hz
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* possible values: 4000000, 16000000, 20000000, 240000000, 27000000
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*/
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u32 ref_freq_Hz;
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/* invert the spectrum */
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bool inversion;
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};
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/* Addresses: 0x64,0x65,0x66,0x67 */
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struct dvb_frontend *si2165_attach(
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const struct si2165_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *si2165_attach(
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const struct si2165_config *config,
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struct i2c_adapter *i2c)
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{
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pr_warn("%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif /* CONFIG_DVB_SI2165 */
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#endif /* _DVB_SI2165_H */
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23
drivers/media/dvb-frontends/si2165_priv.h
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23
drivers/media/dvb-frontends/si2165_priv.h
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@ -0,0 +1,23 @@
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/*
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Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
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Copyright (C) 2013-2014 Matthias Schwarzott <zzam@gentoo.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#ifndef _DVB_SI2165_PRIV
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#define _DVB_SI2165_PRIV
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#define SI2165_FIRMWARE "dvb-demod-si2165.fw"
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#endif /* _DVB_SI2165_PRIV */
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