Hardware is Empia EM28178, Silicon Labs Si2168, Silicon Labs Si2157.
There is on/off external LNA too. Two new drivers for Silicon Labs DTV
chipset.
Demod needs firmware, which could be found from driver CD version 6.4.8.984.
/TVC 6.4.8/Driver/PCTV Empia/emOEM.sys
dd if=emOEM.sys ibs=1 skip=1089416 count=2720 of=dvb-demod-si2168-01.fw
md5sum dvb-demod-si2168-01.fw
87c317e0b75ad49c2f2cbf35572a8093 dvb-demod-si2168-01.fw
Demod and tuner power-management is broken - chips are not put sleep at
all. It is same for windows driver too. Fortunately device eats only
around 200mA from USB when active. Will be fixed if and when windows
drivers are fixed.
Here is some internals from device.
http://blog.palosaari.fi/2014/04/naked-hardware-15-pctv-triplestick-292e.html
The following changes since commit a83b93a7480441a47856dc9104bea970e84cda87:
[media] em28xx-dvb: fix PCTV 461e tuner I2C binding (2014-03-31
08:02:16 -0300)
are available in the git repository at:
git://linuxtv.org/anttip/media_tree.git pctv_292e
for you to fetch changes up to 11c59dbb8a399558a2450a1cf64ff7b7e4157c45:
em28xx: PCTV tripleStick (292e) LNA support (2014-04-23 04:56:54 +0300)
----------------------------------------------------------------
Antti Palosaari (12):
si2157: Silicon Labs Si2157 silicon tuner driver
si2168: Silicon Labs Si2168 DVB-T/T2/C demod driver
em28xx: add [2013:025f] PCTV tripleStick (292e)
si2168: add support for DVB-T2
si2157: extend frequency range for DVB-C
si2168: add support for DVB-C (annex A version)
si2157: add copyright and license
si2168: add copyright and license
MAINTAINERS: add si2168 driver
MAINTAINERS: add si2157 driver
si2168: relax demod lock checks a little
em28xx: PCTV tripleStick (292e) LNA support
MAINTAINERS | 20 ++++
drivers/media/dvb-frontends/Kconfig | 7 ++
drivers/media/dvb-frontends/Makefile | 1 +
drivers/media/dvb-frontends/si2168.c | 760
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/media/dvb-frontends/si2168.h | 39 +++++++
drivers/media/dvb-frontends/si2168_priv.h | 46 +++++++++
drivers/media/tuners/Kconfig | 7 ++
drivers/media/tuners/Makefile | 1 +
drivers/media/tuners/si2157.c | 260
++++++++++++++++++++++++++++++++++++++++++++++
drivers/media/tuners/si2157.h | 34 ++++++
drivers/media/tuners/si2157_priv.h | 37 +++++++
drivers/media/usb/em28xx/Kconfig | 2 +
drivers/media/usb/em28xx/em28xx-cards.c | 25 +++++
drivers/media/usb/em28xx/em28xx-dvb.c | 89 ++++++++++++++++
drivers/media/usb/em28xx/em28xx.h | 1 +
15 files changed, 1329 insertions(+)
create mode 100644 drivers/media/dvb-frontends/si2168.c
create mode 100644 drivers/media/dvb-frontends/si2168.h
create mode 100644 drivers/media/dvb-frontends/si2168_priv.h
create mode 100644 drivers/media/tuners/si2157.c
create mode 100644 drivers/media/tuners/si2157.h
create mode 100644 drivers/media/tuners/si2157_priv.h
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