Bug: the tree generated an oops when the cx23885 was laoded. This avoids
the oops by ensuring the mutex is correctly initialised before it's used.
Signed-off-by: NSteven Toth <stoth@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This add frontend R/W mutual exclusion.
Prior to this point in time it was possible to open both
frontends simultaneously which an MFE card cannot support.

In order to stop this, a delayed open is performed which
has the following function:

-  Return EBUSY after a configurable amount of time
   if a frontend is unavailable due to the other being
   in use.

-  Only allow opening of a frontend if the kernel thread
   of the other has stopped.

This solution was chosen to allow switching between
frontends to work as seamlessly as possible. When both
frontends are actually opened simultaneously then one
will only open, but if quick switching is performed
between one of many then the new open will succeed in
a clean fashion rather than interrupting a kernel
thread.
Signed-off-by: NDarron Broad <darron@kewl.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

When using MFE on a setup with both and HVR-3000 and ASUS P7131
card it was noticed that frontend allocation for saa7134
adapters was missing. This patch adds that allocation for
both saa7134 and cx23885 adapters.
Signed-off-by: NDarron Broad <darron@kewl.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

A number of reference to videobuf_dvb_get_frontend used an invalid
index. This has been fixed.

The section for the HVR3000 in advise_acquire was redundant as
the same logic is used on the HVR4000. This has been removed
and both cards now use the same function.

A number of small errors and whitespace errors are also fixed.
Signed-off-by: NDarron Broad <darron@kewl.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

A detailed description from the original patches 2 years ago:

"The WinTV-HVR3000 has a single transport bus which is shared between
a DVB-T and DVB-S modulator. These patches build on the bus acquisition
cx88 work from a few weeks ago to add support for this.

So to applications the HVR3000 looks like this:
/dev/dvb/adapter0/fe0 (cx24123 DVB-S demod)
/dev/dvb/adapter0/fe1 (cx22702 DVB-T demod)

Additional boards continue as before, eg:
/dev/dvb/adapter1/fe0 (lgdt3302 ATSC demod)

The basic change is removing the single instance of the videobuf_dvb in
cx8802_dev and saa7134_dev(?) and replacing it with a list and some
supporting functions.

*NOTE* This branch was taken before v4l-dvb was closed for 2.6.19 so
two or three current cx88 patches appear to be reversed by this tree,
this will be cleaned up in the near future. The patches missing change
the mutex handing to core->lock, fix an enumeration problem."

It should be recognised that a number of people have been maintaining
this patchset. Significant levels of Kudos to everyone one involved,
including but not limited to:

Darron Broad
Fabio M. Di Nitto
Carlo Scarfoglio
Hans Werner

Without the work of these people, and countless others, my two year old
patches would of died on the Mercurial linuxtv.org vine a long time
ago.

TODO: Revise these patches a little further so that the need for
demux1 and dvr0 is optional, not mandatory on the HVR3000.

HISTORY (darron):
This is the last update to MFE prepared by Hans which is based
upon the `scratchpad' diff created by Carlo.
All MFE work prior to that point must be attributed to Fabio
who ported and maintained Steve's original patch up to that
time.
Signed-off-by: NSteven Toth <stoth@linuxtv.org>
Signed-off-by: NDarron Broad <darron@kewl.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Firmware selection is very tricky on this device. This patch do a better
selection of the proper firmware type, by using a code to hint if the
firmware to be loaded should be D2620 or D2633.

It also allows overriding the hint at the control structure.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Dont pass devptr in xc5000_attach, dont store it in xc5000_priv.
This pointer is passed into the tuner_callback function, which always
expects a pointer to fe->dvb->priv or i2c_adapter->algo_data.

This prevents future possible bugs in new drivers, such as using a "devptr"
other that the standard fe->dvb->priv in a DVB driver.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch is on behalf of Stephen Backway <stev391@email.com>, and
represents two patches I received (and some subsequent whitespace
cleanup I had due to how I pulled the patches).

From the original author:

a) Add DVB support for the Leadtek Winfast PxDVR3200 H.

b) The tuner callback previously checked the command 3 times:
1) To see if it was the XC2028_RESET_CLK
2) To see if it was not the XC2028_RESET_TUNER
3) To see if it was the XC2028_RESET_TUNER
This patch removes the third check.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NStephen Backway <stev391@email.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Code reduction. Tuner callback now assumes that tsport is passed as the void arg.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Add support for the DViCO FusionHDTV DVB-T Dual Express card, based on
work by Chris Pascoe and Stephen Backway.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NAnton Blanchard <anton@samba.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The Hauppauge HVR1400 and HVR1500 can now use the common cx23885 tuner
callback.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NAnton Blanchard <anton@samba.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Tuners currently hook different things to the private pointer in their
callback function. Longer term we should make that private pointer
consistent, but for now separate out the guts of the cx23885 tuner callback
so we can reuse it.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NAnton Blanchard <anton@samba.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

I need this so I can better isolate my linux email from my
corporate email.
Signed-off-by: NSteven Toth <stoth@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The new revision of this board uses the same pci subsystem id as the first
revision, but uses a S5H1411 demodulator instead of the S5H1409.

In the case of the FusionHDTV7 Dual Express,
if s5h1409_attach fails, try s5h1411_attach.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Only one frontend is enabled right now. The second frontend can lock,
but transport doesn't work yet.  The device will be supported as a
single tuner device until the second frontend is working.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

The current code passes a context pointer in the xc5000_config struct.
This context pointer is used in the tuner_callback function, used to
reset the device after firmware download.

The xc5000_config struct is a static structure, whose .priv member was
being assigned before calling xc5000_attach().  If there are more than
one of the same device type installed on a single system, the last one
to assign xc5000_config.priv will "win", and all others will cease to
function properly.

This patch passes the context pointer in xc5000_attach() rather that
storing it within the static struct xc5000_config.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

The cx23885 driver used to use dvb-pll for LG-TDVS-H064F support on the
FusionHDTV5 Express.  This has since been converted to use tuner-simple
instead, once digital tuning support was added to tuner-simple.

Since cx23885 no longer uses dvb-pll, remove the #include "dvb-pll.h",
and the DVB_PLL Kconfig selection.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

DVB-T mode is now supported using the DiBcom dib7000p demodulator
and the Xceive xc3028L silicon tuner. Analog mode is not supported.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Reviewed-by: NPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

This patch fixes several issues on SCODE:

1) The extracting tool weren't generating the proper tags for SCODE. This
   has almost no effect, since those tags shouldn't be used;

2) DIBCOM52 were using a wrong IF. It should be 5200, instead of 5700;

3) seek_firmware were wanting an exact match for firmware type. This is
   wrong. As result, no SCODE firmware were loaded;

4) A few files were including the wrong file for seeking demod firmwares;

5) XC3028_FE_DEFAULT can be used, if user doesn't want to load a firmware.
   However, this weren't documentated. This feature require more testing.
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

This adds support for DVB-T mode only, analog is not supported.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

This adds support for DVB-T mode only, analog mode is not supported.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

The adapter_nr module options can be used to allocate static adapter
numbers on a driver level. It avoids problems with changing DVB apapter
numbers after warm/cold boot or device unplugging and repluging.

Each driver holds DVB_MAX_ADAPTER long array of the preferred order of
adapter numbers.

options dvb-usb-dib0700 adapter_nr=7,6,5,4,3,2,1,0 would result in a
reversed allocation of adapter numbers.

With adapter_nr=2,5 it tries first to get adapter number 2 and 5. If
both are already in use it will allocate the lowest free adapter number.
Signed-off-by: NJanne Grunau <janne-dvb@grunau.be>
Acked-by: NHermann Pitton <hermann.pitton@arcor.de>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

allow device-specific configuration of rf agc rf top and if top
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Convert cx88-dvb, dvb-bt8xx, b2c2-flexcop, cxusb and cx23885 to use
tuner-simple instead of dvb-pll for LG TDVS-H06xF
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

The video_dev parameter, on tuner-xc2028 were used to pass i2c private data to
tuner_callback. Since the driver already have a pointer to i2c_adap->algo_data,
uses this instead.

This parameter were used also as a magic number to idenfity if two drivers are
trying to register the same xc3028 tuner. This occurs with boards with DVB
support, where both DVB and V4L drivers will share the same tuner.

Instead of using the algo_data as a private number, after this patch, the
driver will use i2c_adap->dev, with seems more consistent.
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

videobuf-dma-sg does not need to depend on PCI. Switch it to using generic
DMA API, convert all affected drivers, relax Kconfig restriction, improve
compile-time type checking, fix some Coding Style violations while at it.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

xc5000: Small amount of cleanup and commenting, just for clarification.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

From Zhang: This patch fixes support for the HVR1500Q which was broken
when the xc5000 analog patch was added.

Patch committed as-is, cleanups to follows .... Steve
Signed-off-by: NChaogui Zhang <czhang1974@gmail.com>
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Parallel support was not working with the s5h1409 and the Pinnacle HD800i.
This patch fixes the demodulator driver and ensures that all existing
s5h1409 based products configure the demodulator correctly.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Added missing do { } while (0)
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Store IF Frequency in a u16 instead of a u32.  Multiply by 1000 before use.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Allow drivers to pass device-specific configuration parameters during attach.

If these parameters are omitted, default values will be used.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Don't allow the tda8290 module to probe and attach the tuner module,
causing incorrect use counts when using dvb_attach.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Add module option 'alt_tuner' disabled by default.

When set to one, the dvb_frontend of HVR1800 will consist of:
s5h1409 demod + tda18271 tuner

When set zero (default), the dvb_frontend of HVR1800 will consist of:
s5h1409 demod + mt2131 tuner

If the tda18271 is used in digital mode, you will not be able to
tune an analog channel at the same time.
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>