Do not overflow kernel memory when more than BT878_MAX devices are
present.
Signed-off-by: Sigmund Augdal Helberg <sigmund@snap.tv>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Bryan Scott <sirbryan@gmail.com>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- fix missing line in VSB snr decoding logic for lgdt3303
Signed-off-by: Mac Michaels <wmichaels@earthlink.net>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Fix missing $() on variable name in dvb/ttpci/Makefile
Fix AV7110 firmware dependencies so that parallel builds work correctly.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch adds support for a newer version of this device
using the zl10353 frontend instead of the mt352 frontend.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
cinergyt2_poll()" shouldn't return (POLLIN | POLLRDNORM | POLLPRI) when
there are no pending events. User space programs that do non-bocking IO
using "select()" and/or "poll()" would otherwise produce high system load.
Acked-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Axel Dyks <xl@xlsigned.net>
Acked-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch adds support for Satelco EasyWatch DVB-S light card,
a clone of the KNC 1, with PCI subsystem ID 1894:001e
Signed-off-by: Lothar Englisch <Lothar.Englisch@lycos.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch makes the needlessly global
alps_tdee4_stv0297_tuner_set_params() static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The dvb_frontend_ops is a pointer inside dvb_frontend. That's why every demod-driver
is having a field of dvb_frontend_ops in its private-state-struct and
using the reference for filling the pointer-field in dvb_frontend.
- It saves at least two lines of code per demod-driver,
- reduces object size (one less dereference per frontend_ops-access),
- be coherent with dvb_tuner_ops,
- makes it a little bit easier for newbies to understand how it works and
- avoids stupid mistakes because you would have to copy the dvb_frontend_ops
always, before you could assign the static pointer directly, which was
dangerous.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Some of the dvb_tuner_ops-pointer were set before having a dvb_frontend creating.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
I had broken the mt352 tuning when a non-directly connected PLL was used -
uncommon, but this is what is used on the pinnacle card.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Minor code cleanup on the genpix-module.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This is a patch which includes support for the GENPIX 8PSK->USB module. The
board supports QPSK, BPSK and 8PSK decoding (though I don't think it will be
DVB-S2 compliant) With the following patch, the boad is equivalent to a budget
card (no CA Module)
The patch which adds 8psk suppot will follow, but is seperate, as it requires
DVB-S2 support
More info on the board can be found at www.genpix-electronics.com (and they
host the requisite firmwares there as well)
Signed off by: Alan Nisota <alannisota@gmail.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Some code had pointless gotos that just didn't make any sense. They didn't
make the code smaller, or faster, or easier to understand.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch changes the sweeprate for TT C1500 using QAM64.
It has been proven to work using QAM64 at a SRate of 6875 for the two
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rework diseqc support to be more in line with the other demod drivers.
Fix Nova-S-Plus/Nova-SE2 diseqc.
Cleanup API.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The calls to set the pll ops were in the wrong place - moved them.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Christoph Pfister <christophpfister@bluemail.ch>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Christoph Pfister <christophpfister@bluemail.ch>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
These cards need special handling for CI - reinitialising the frontend
device when the CI module is reset. Additionally the tda10021 needs to be set
into a different transport stream mode when a CI module is present.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Fix some problems regarding support for Unidirectional Lightweight
Encapsulation (ULE) in dvbnet.c.
The original ULE code was based on a draft. In the meantime, ULE has been
published in RFC 4326 (ftp://ftp.rfc-editor.org/in-notes/rfc4326.txt).
With these fixes, and some additions (which are included in the patch), the
decaps code should now be complient to RFC4326.
Signed-off-by: Christian Praehauser <cpraehaus@cosy.sbg.ac.at>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
I'd missed some of these out, breaking the av7110 tuning. I then checked for
more and added them in where necessary. They may not actually be necessary
in all these locations, but if not, they'll simply have no effect.
Add small delay to stv0299 pll gate control to fix tuning problems.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Added config switch to stv0297 to control i2c STOP during write behaviour.
Update frontend init in dvb-ttusb-budget.
Enable i2c STOP on other users of stv0297.
Signed-off-by: Thomas Kaiser <linux-dvb AT kaiser-linux.li>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert lnbp21.h into a linux kernel module.
Fix up previous users to use it.
Convert dvb-ttusb-budget to use it.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Some systems use a previous config information to generate
a default config. This seems to cause troubles on some
systems.
This patch also fixes compilation for AV7110 firmware
inside V4L/DVB tree.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Don't try and set the tuner ops if the demod was not detected.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
I'd missed the i2c gate ctrl function out of the tda10046, so tuning didn't work
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Johannes Stezenbach suggested this change - definite improvement.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Attach dvb-pll where possible.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
I had forgotten to rename some of the tuner functions in the refactoring.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Trim excess documentation down to the essentials.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Add no_tuner setting like in mt352.
Update to use correct tuner API calls.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Make it use set_params/pllbuf as appropriate so it works with
dvb_pll_attach()ed tuners.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Attach dvb-pll where possible.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Remove BUG_ON() and convert to a soft error.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename pll calls to appropriate tuner calls.
Remove pll functions from demod structures.
Hook tuner call into tuner_ops.
Add pll gate control calls where appropriate.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Use standardised pllbuf call.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Standardise the calls used to retrieve tuner data.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Make it call the tuner calls - in case someone wants to use it to develop a
tuner without a demod.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Remove unneeded sleep function completely.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointer from structure.
Use standardised pllbuf function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Remove europa specific hack (moved into appropriate card driver)
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Remove extra exported function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Remove extra exported pll gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Add tuner_ops structure.
Add calls into dvb_frontend to support the new tuner architecture.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
move all pll_set functions for lg-tdvs-h06xf atsc tuners to a standalone header
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch fixes the display name for LG TDVS-H06xF tuners
in both tuner and dvb-pll modules.
Changing the names of the actual pll_desc struct and tuner definitions
has been held back until after the dvb tuner refactoring gets merged.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- make the following needlessly global struct static:
dvb-usb/cxusb.c: cxusb_mt352_config
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This changeset removes pll_init, and instead sets the tuner
auxiliary byte in pll_set.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Since I reordered the CI/frontend detection, it turns out the frontend needs
to have a GPIO set to power it on; otherwise frontend init fails.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch adds support for the new revision of the DViCO
FusionHDTV DVB-T Lite, based on the zl10353 demod instead
of mt352.
Both mt352 and zl10353 revisions of this card have the
same PCI subsystem ID.
Acked-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Ack'd-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Currently in /sys/class/dvb/dvbX.demuxY/ we have:
dev
uevent
With the patch, we have (for a PCI DVB device):
dev
device -> ../../../devices/pci0000:00/0000:00:1e.0/0000:03:0d.0
uevent
So userspace tools can (finally) work out which physical device a DVB adapter
refers to. Previously you had to kinda look through dmesg and hope that it
hadn't been dumped out of the buffer. This makes debugging a lot easier if
the system has been up for a long time!
This is done by adding an extra 'struct device *' parameter to
dvb_register_adapter(). It will work with any kind of standard
linux 'device'. Additionally, if someone has an embedded system which does
things differently, they can simply supply 'NULL' and the behaviour will be
as before - the link will simply not appear.
Ack'd-by: Manu Abraham <manu@linuxtv.org>
Acked-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
If you have more than DVB_MAX_ADAPTERS in your machine, this causes an oops.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Adds the FE_GET_FRONTEND ioctl to the or51132 frontend. Current modulation is
read from the hardware, while frequency is taken from the driver's state.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The ioctl DMX_GET_EVENT has never been implemented.
I guess no software is using it because of its lack of implementation.
Future software won't use it, too, because this API doesn't make much
sense the way it is: Frontend events have their own different API.
Scrambling events can't be generated in a useful way by the hardware I
know of.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
A few lines that do nothing in the or51132 frontend, removed.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
As QAM_64, QAM_256, and QAM_AUTO all use the same firmware, switching
between these modulations doesn't require a firmware re-load. This also
fixes a mishandled error condition, in which the firmware file is loaded
into the kernel, the clock mode is changed, but then the firmware upload
to the device fails. The modulation change is aborted, but the clock
mode would still be changed.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
There is some old code in the or51133 firmware loading function that
has no effect. Left a comment to in case it helps someone trying
to reverse engineer the chip.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Various drivers use xmit_lock internally to synchronise with their
transmission routines. They do so without setting xmit_lock_owner.
This is fine as long as netpoll is not in use.
With netpoll it is possible for deadlocks to occur if xmit_lock_owner
isn't set. This is because if a printk occurs while xmit_lock is held
and xmit_lock_owner is not set can cause netpoll to attempt to take
xmit_lock recursively.
While it is possible to resolve this by getting netpoll to use
trylock, it is suboptimal because netpoll's sole objective is to
maximise the chance of getting the printk out on the wire. So
delaying or dropping the message is to be avoided as much as possible.
So the only alternative is to always set xmit_lock_owner. The
following patch does this by introducing the netif_tx_lock family of
functions that take care of setting/unsetting xmit_lock_owner.
I renamed xmit_lock to _xmit_lock to indicate that it should not be
used directly. I didn't provide irq versions of the netif_tx_lock
functions since xmit_lock is meant to be a BH-disabling lock.
This is pretty much a straight text substitution except for a small
bug fix in winbond. It currently uses
netif_stop_queue/spin_unlock_wait to stop transmission. This is
unsafe as an IRQ can potentially wake up the queue. So it is safer to
use netif_tx_disable.
The hamradio bits used spin_lock_irq but it is unnecessary as
xmit_lock must never be taken in an IRQ handler.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Mixing "depends on I2C" and "select I2C" within the media subsystem
leads to the following problem:
Warning! Found recursive dependency: I2C DVB_BUDGET DVB_BUDGET_PATCH
DVB_AV7110 VIDEO_SAA7146_VV VIDEO_SAA7146 I2C
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
reference to .init.text: from .text between 'dvb_bt8xx_probe'
(at offset 0x122c) and 'dvb_bt8xx_remove'
reference to .init.text: from .text between 'dvb_bt8xx_probe'
(at offset 0x1267) and 'dvb_bt8xx_remove'
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Frequency range values in the current driver for the LG TDVS H06xF tuners
appear to have been a transposing of the 5 in the mid range 160-455 instead
of 165-450.
This patch corrects the pll programming for these tuners as per the datasheet.
Signed-off-by: Rusty Scott <rustys@ieee.org>
Signed-off-by: Mac Michaels <wmichaels1@earthlink.net>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch prevents a bug where the frontend is unable to tune after waking
from powered down state. Now, the device remains powered on until it is
disconnected, just like the windows driver. It seems that the bluebird
firmware is unable to successfully handle tuning after a powered down state.
This patch fixes all of the FusionHDTV Bluebird USB2 devices. The Medion
MD95700 will still behave as before, since it was unaffected by this bug.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
*) Allow forcing the bandselect value with a module parameter to
facilitate determining the correct bandselect frequencies.
*) Changes the bandselect frequency thresholds based on experiments
with the above parameter in conjunction with the values in the spec.
Signed-off-by: Yeasah Pell <yeasah at schwide.net>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
*) Sets an additional tuner parameter (demodulator sample gain) that
wasn't being set before.
*) Removes the low symbol rate tuner parameter tweaks in the previous
patch -- it appears those tweaks are not necessary with the demodulator
sample gain set correctly.
*) Cleanup and document the demodulator register initialization sequence.
*) Change set_fec routine to disable FEC auto scan when a specific code
rate is selected.
*) Remove error message when reported FEC is invalid (which happens
sometimes when the card has no signal)
Signed-off-by: Yeasah Pell <yeasah at schwide.net>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The previous DISEQC code didn't wait, so it was unreliable
Signed-off-by: Yeasah Pell <yeasah at schwide.net>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Current debug messages at cx24123 are next to useless, since they don't
print the values sent/read to registers. With this patch, debug=1 will
show comprehensive messages. debug=2 will show also read/write operations
at I2C bus.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
- fixed the reception of channels with low symbol rates.
( The VGA1 and VGA2 offsets recommended by cx24109 docs for
symbol rates from 1 to 5 MSps do not work. I changed them
to values found experimentally. The charge pump current
and FILTUNE voltage are now set to values recommended in
the docs. This improves reception for symbol rates < 15 MSps.
The values written in the SYSSymbolRate registers are calculated
with better precision. )
- fixed the cx24123_get_fec() function. It was returning the values
for DCII mode.
- removed some unused variables
Signed-off-by: Vadim Catana <skystar at moldova.cc>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
V4L1 API is depreciated and should be removed soon from kernel. This patch
adds two new options, one to disable V4L1 drivers, and another to disable
V4L1 compat module. This way, it would be easy to check what still depends
on V4L1 stuff, allowing also to test if app works fine with V4L2 only support.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Spotted a couple more places where it fails to check if
dvb_register_adapter() fails.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Now that the CI code reinitialises the frontend, need to move the CI
initialisation to after the frontend init in order to ensure the frontend is
always in a good state. Fixes an oops caused by the frontend being NULL as
well.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
It turns out the firmware on the TT budget-ci 1.1 slots doesn't generate
interrupts. This patch adds support for this using polling mode on these
slots.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This mutex is meant to stop two devices getting the same ID. dvbdev_get_free_id()
scans the list of already allocated devices to find a free id.
Unfortunately, since the mutex is unlocked before the card is added to the
above list, it is still possible for two of them to get the same id.
Its debatable whether this mutex lock is actually needed, but I'm unwilling
to just remove it in case something does depend on it.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Unfortunately on the budget-av board, the CAM reset line is tied to the
frontend reset line, so resetting the CAM also zaps the frontend. This
breaks the tda1004x at least, and causes it to fail to tune until the
budget-av module is reloaded. This patch adds an exported function to dvb_frontend
that allows a card to forcibly reinitialise a frontend. The budget-av now
does this on CAM reset, which corrects this problem.
since they do not tie the CAM reset line to the frontend reset line.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The dvr device could be opened multiple times simultaneously in O_RDONLY mode.
Each open after the first would allocate a new dvr buffer (1880 KB) and leak
the old buffer. The first close would de-allocate the dvr buffer and cause
all other open dvrs to stop working. This patch allows only a single O_RDONLY
open of the drv device, as per the API specification. Multiple O_WRONLY opens
are still allowed and don't appear to cause any problems.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This attached patch was originally proposed by Anssi Hannula to the dvb-kernel
user to choose the default broadcast mode when using the ttpci driver.
NTSC users need to only add the following line to modprobe.d:
options dvb-ttpci tv_standard=1
PAL users will not need to change anything, for this will be the default.
Signed-off-by: C.Y.M <syphir@syphir.sytes.net>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch fixes a typo in a comment.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- Issue a warning when more than 80% of the DMA buffer is being used
(probably due to bad IRQ latency). Warnings are rate-limited.
- Introduce a new parameter 'bufsize' (in KByte) which increases the
default DMA buffer of 188 KByte up to 1410 KByte (Activy: 564 KByte).
Signed-off-by: Ingo Schneider <mail@ingo-schneider.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
There seems to be a new version of the USB DVB-T stick from WideView with a new demod-revision inside and thus a new firwmare.
This patch enables support for that.
Thanks to Mikel Martin for early testing.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Thanks to: Andrew Cohen <cohen@andy.bu.edu>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- Added keycodes for the DViCO FusionHDTV portable remote control.
- Enabled the remote control for both versions of FusionHDTV DVB-T USB
and the FusionHDTV 5 USB Gold (ATSC)
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The bt8xx drivers uses request_firmware()
and thus needs to select FW_LOADER.
Signed-off-by: maximilian attems <maks@sternwelten.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Mark the f_ops members of inodes as const, as well as fix the
ripple-through this causes by places that copy this f_ops and then "do
stuff" with it.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Add a new audio mode V4L2_TUNER_MODE_LANG1_LANG2 (used by VIDIOC_G/S_TUNER).
This mode allows the user to select both languages of a bilingual transmission,
one language on the left, one on the right audio channel. If there is no
bilingual transmission, or it is not supported, then this mode should act like
V4L2_TUNER_MODE_STEREO.
This mode is introduced for PVR-like drivers where it is useful to be able to
record both languages of a bilingual broadcast.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Only the Medion boxes return 0x08 after an i2c read/write.
The bluebird devices do not return anything at all.
This patch conditionalizes the test for the 0x08 return code
to produce a warning message when using the Medion box, only.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- corrects the wording in some of the debug messages.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Removed the FIXME comment from bluebird_patch_dvico_firmware_download:
/* FIXME: are we allowed to change the fw-data ? */
Yes, we are allowed. DViCO's Windows driver also does the same thing.
A single firmware image is used to support all of the bluebird boxes.
The firmware sets all devices to PID: d700. Instead of using that, the
driver replaces the d700 with the cold PID+1 before the download.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch removes the (harmless) -ETIMEDOUT during device init
for the DViCO FusionHDTV Bluebird boxes, by conditionalizing the
gpio write inside cxusb_i2c_xfer to happen only for Medion boxes.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
There was no MODULE_DEVICE_TABLE for the b2c2-flexcop-usb module. This makes it
impossible for hotplug to load the module automatically, when such a device is
connected.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This reverts commit 08f1d0b99f
The "bt8xx/ conversion" for drivers/video/ hasn't actually percolated
all the way to this tree, so the Makefile change escaped too soon.
Build breakage noticed by Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Add wss_cfg_4_3 and wss_cfg_16_9 configuration options.
Firmware 2623 or later required.
Both parameters are bit masks:
- bit 15: disable WSS
- bit 14: send short WSS burst, then turn off WSS
- bit 13..0: WSS bits as specified by the standard
These parameters are useful if you own a broken tv set which
does not handle wss correctly.
Default settings:
- wss_cfg_4_3: 0x4008
- wss_cfg_16_9: 0x0007
These should work with most devices.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Moved duplicated code of ALPS BSRU6 tuner to a standalone file.
Modified av7110 and budget drivers to include the new file.
Signed-off-by: Perceval Anichini <perceval.anichini@streamvision.fr>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- Corrected typo for NxtWave NXT200X
- Added "Oren" manufacturer name to menu items for OR51132 and OR51211
- Removed "(pcHDTV HDx000 card)" from Oren frontends menu item names,
This isn't necessary, as these frontends are selected by the card drivers,
build configuration (DVB_BT8XX and VIDEO_CX88_DVB).
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Detaching the device didn't clean up several device files in /dev/dvb,
after applying that patch all dvb devices disappeared as expected.
Signed-off-by: Markus Rechberger <mrechberger@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Use dvb_ringbuffer instead of an own buffer implementation in
dmxdev.[ch].
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Oliver Endriss spotted, that resetting read and write pointers on
flush() requires additional locking and breaks the av7110 driver.
Therefore this patch partially reverts the previous patch titled "make
dvb_ringbuffer compatible to dmxdev_buffer".
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Added variable 'error' to struct dvb_ringbuffer, which is set to zero on
init() and flush(). Also reset read an write pointers to zero on flush()
to get less fragmented data.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Used Lindent, manually changed some line breaks. Removed invalid email
addresses, useless casts and useless initialization of return values.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Rename 'enum dmxdevype' to 'enum dmxdev_type' and use this enum instead
of int for the member 'type' of struct dmxdev_filter.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The member dvbdev gets initialized once but is never used after that.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The PID value is already stored in struct dmx_sct_filter_params which is
a member of struct dmxdev_filter.
Acked-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Conflicts:
Documentation/video4linux/CARDLIST.cx88
drivers/media/video/cx88/Kconfig
drivers/media/video/em28xx/em28xx-video.c
drivers/media/video/saa7134/saa7134-dvb.c
Resolved as in the original merge by Mauro Carvalho Chehab
Typos grab bag of the month.
Eyeballed by jmc@ in OpenBSD.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Workaround for Nexus CA: Debi test fails unless first debi write is repeated.
Signed-off-by: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Typos grab bag of the month.
Eyeballed by jmc@ in OpenBSD.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- The tuner used in DViCO FusionHDTV DVB-T hybrid is made by Thomson
- renamed tuner and dvb_pll structs accordingly
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Add support for the FE6600 tuner used on the DVB-T Hybrid board.
Add support for the Zarlink ZL10353 DVB-T demodulator, which supersedes the
MT352, used on the DViCO FusionHDTV DVB-T Hybrid and later model Plus boards.
Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Use refactored LNBP21/BSBE1 code for Technotrend/Hauppauge DVB-S rev 2.3.
As a side effect, FE_ENABLE_HIGH_LNB_VOLTAGE ioctl is supported now.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Moved duplicated code to separate files.
LNBP21 stuff rewritten from scratch, BSBE1 copied from av7110.c.
Modified budget driver to use the new routines.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Workaround for Nexus CA: Debi test fails unless first debi write is repeated.
Signed-off-by: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
I have a TT C1500 card (saa7146, STV0297) which had problems tuning
channels at QAM128 (like the ones in the Finnish HTV / Welho network).
A fix which seems to work perfectly so far is to change the delay for
QAM128 to the same values as for QAM256 in stv0297_set_frontend(),
Signed-off-by: Mattias Nordstrom <nordstrom@realnode.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
use __devinit/__devexit/__devexit_p() where appropriate
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The following are specific to lgdt3303, and are being renamed to reflect this.
- cxusb_lgdt330x_config renamed to cxusb_lgdt3303_config.
- cxusb_lgdt330x_frontend_attach renamed to cxusb_lgdt3303_frontend_attach.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This patch contains the following possible cleanups:
- update the Kconfig help to mention the VP310
- merge vp310_attach and mt312_attach into a new vp310_mt312_attach
to remove some code duplication
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
- fix temporary debug code by changing printk to dprintk at level 1.
- move CORE_IOCTL messages from level 1 to level 2.
- this should help with selective debugging,
while not filling people's logs up during normal use.
Signed-off-by: Ian Pickworth <ian@pickworth.me.uk>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
After a FIFO corruptions occurrs (generally due to buffer overflow), FIFO
contents needs to be discarted.
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Now, root may change parameters while module is running.
Thanks to Edgar Toerning
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Fixed broken IF-OUT on pinnacle sat board.
Thanks to Edgar Toernig
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Ignore invalid messages on cx24110 frontend.
Thanks to Edgar Toernig
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
The field "dvr" in struct dmxdev is competely unused. Remove
it and code which allocates, initializes and frees it.
Signed-off-by: Peter Beutner <p.beutner@gmx.net>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
use __devinit/__devexit/__devexit_p() where appropriate
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Manu Abraham