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No need to set explicitly value that are already defaulted same.
Setting new value returns old value. Firmware default values can
be found just looking returned value.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Same command was executed twice, but different value. Remove
redundant command.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Use memcpy for set cmd buffer in order to keep style in line with
rest of file.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The message is currently highly encoded:
[70299.863521] DiB8000: Mpeg locks [ L0 : 0 | L1 : 1 | L2 : 0 ]
And doesn't properly reflect that some problems might have happened.
Instead, display it as:
[75160.822321] DiB8000: Not all ISDB-T layers locked in 32 ms: Layer A NOT LOCKED, Layer B locked, Layer C not enabled
In order to better reflect what's happening with layer locking.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
When debug is enabled:
- Report when frontend gets restarted;
- Be coherent on the displayed lines;
- Show the transmission mode;
- Hide unused layers.
No functional changes (except at the printk's).
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This table doesn't match the new one.
Update it.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Instead of doing the tuning delays and timeouts using
current_kernel_time(), use jiffies. That consumes less
CPU cycles, and it is monotonic.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
msleep() is not too precise: its precision depends on the
HZ config. As the driver selects precise timings for the
state machine, change it to usleep_range().
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
msleep() is not too precise: its precision depends on the
HZ config. As the driver selects precise timings for the
state machine, change it to usleep_range().
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Just like the Windows driver, restart SAD during reset
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
TV broadcasters generally use partial reception. So, enable it by
default in auto-search mode. The driver will latter detect if the
transmission is on some other mode.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The symbol duration was already obtained at CT_DEMOD_START.
No need to do it again at CT_DEMOD_STEP_3.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Without that, tuning may fail on 4K FFT mode, as the transmission
parameter cache will be initialized with a wrong value.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
There are two tabs instead of one aligning this struct.
Worse than that, on some places, the alignment is wrong.
Fix it.
No functional changes.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The ADC OFF values are wrong. This causes troubles on detecting
weak signals.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
If interleave is bigger than 2, the code will set it to 0, as
dib8000 registers use a log2(). So, change the code to handle
it accordingly.
Acked-By: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This issue was reported by coccicheck using the semantic patch
at scripts/coccinelle/api/memdup.cocci
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Add static to tda m_* variables in the header. They don't need to be global.
With some cleanup they could probably even be marked const.
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=68191
Reported-by: Christian Schneider <christian@ch-sc.de>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
There are several issues on the current code:
1) msleep(1) is actually equivalent to msleep(10);
2) au8522_video_set() will set reg 0xa4 to the
proper value for SIF, CVBS or S-Video. No need
to force it to CVBS;
3) Let's not hardcode 0x9d for CBS on audio_set.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
setup_decoder_defaults() doesn't really care about the input
port. All it needs to know is if the input port is s-video or
not.
As the caller function already knows that, just pass a boolean
instead.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Let's set the the audio routing also at stream start. With this change,
we don't risk enabling the analog demux while not streaming, reducing
the risk of interfering with a DVB demux that might be happening.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The same demod is used on both analog and digital mode. We should
not let the commands for analog mode to happen while the device
is in digital mode. So, monitor it via streamon.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The input mode is used not only inside the setup_decoder_defaults()
but also at au8522_*_mode routines.
So, move it one level up. As an advantage, we can now group the
function that sets the input into just one.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Calibrate the signal strength to dB.
For this callibration, I used adapter 0 (antenna 1), connected
via a normal cable to a DTF-2111 generator.
The same cabling and RF generator connected to adapter 1
(antenna 2) has a difference of +3dBm (signal was stronger
there).
Yet, changing the RF for a difference of, let's say, 6dB
reflected on a 6dB difference at the measured signal, with
is good.
So, the signal strengh can indeed be used to measure the
antenna gain, if the antenna is repositioned. It is
not precise to measure the absolute dBm value, however.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Adds DVBv5 stats support. For now, just mimic whatever dib8000
does, as they're very similar, with regards to statistics.
However, dib7000p_get_time_us() likely require some
adjustments, as I didn't actually reviewed the formula
for it to work with DVB-T. Still, better than nothing,
as latter patches can improve it.
This patch also doesn't show the signal strength in dB
yet. The code is already there, but it requires to be
callibrated.
A latter patch will do the calibration.
It seems that this patch is also a bug fix: Before this
patch, the frontend were not tuning with some userspace
tools. I suspect that dib7000p firmware or hardware
internally expects that the statistics to be collected,
in order for it to work. With this patch, the DVB core
will always retrive statistics, even if userspace doesn't
request. So, it makes the device work on all tested apps.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Exporting multiple symbols don't work as it causes compilation
breakages, due to the way dvb_attach() works.
The bug happens when:
CONFIG_DVB_DIB8000=m
CONFIG_DVB_USB_DIB0700=y
As a bonus, dib8000 won't be loaded anymore if the device uses
a different frontend, reducing the memory footprint.
Tested with both Pixelview PV-D231 and MyGica S870.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Well, what we call as "foo_attach" is the method that should
be called by the dvb_attach() macro.
It should be noticed that the name "dvb_attach" is really a
bad name and don't express what it does.
dvb_attach() basically does three things, if the frontend is
compiled as a module:
- It lookups for the module that it is known to have the
given symbol name and requests such module;
- It increments the module usage (anonymously - so lsmod
doesn't print who loaded the module);
- after loading the module, it runs the function associated
with the dynamic symbol.
When compiled as builtin, it just calls the function given to it.
As dvb_attach() increments refcount, it can't be (easily)
called more than once for the same module, or the kernel
will deny to remove the module, because refcount will never
be zeroed.
In other words, the function name given to dvb_attach()
should be one single symbol that will always be called
before any other function on that module to be used.
For almost all DVB frontends, there's just one function,
but, on dib8000, there are several exported symbols.
We need to get rid of all those direct calls, because they
cause compilation breakages when bridge is builtin and
frontend is module, we'll need to add a new function that
will be the first one to be called, whatever initialization
is needed.
So, let's rename this function, in order to prepare for
a next patch that will add a new attach() function that
will be the only one exported by this module.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Exporting multiple symbols don't work as it causes compilation
breakages, due to the way dvb_attach() works.
This were reported several times, like:
drivers/built-in.o: In function `cxusb_dualdig4_rev2_tuner_attach':
>> cxusb.c:(.text+0x27d4b5): undefined reference to `dib7000p_get_i2c_master'
drivers/built-in.o: In function `dib7070_set_param_override':
cxusb.c:(.text+0x27d5a5): undefined reference to `dib0070_wbd_offset'
>> cxusb.c:(.text+0x27d5be): undefined reference to `dib7000p_set_wbd_ref'
drivers/built-in.o: In function `dib7070_tuner_reset':
>> cxusb.c:(.text+0x27d5f9): undefined reference to `dib7000p_set_gpio'
drivers/built-in.o: In function `cxusb_dualdig4_rev2_frontend_attach':
>> cxusb.c:(.text+0x27df5c): undefined reference to `dib7000p_i2c_enumeration'
In this specific report:
CONFIG_DVB_USB_CXUSB=y
CONFIG_DVB_DIB7000P=m
But the same type of bug can happen if:
CONFIG_DVB_DIB7000P=m
and one of the bridge drivers is compiled builtin (cxusb, cx23885-dvb
and/or dib0700).
As a bonus, dib7000p won't be loaded anymore if the device uses
a different frontend, reducing the memory footprint.
Tested with Hauppauge Nova-TD (2 frontends).
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Well, what we call as "foo_attach" is the method that should
be called by the dvb_attach() macro.
It should be noticed that the name "dvb_attach" is really a
bad name and don't express what it does.
dvb_attach() basically does three things, if the frontend is
compiled as a module:
- It lookups for the module that it is known to have the
given symbol name and requests such module;
- It increments the module usage (anonymously - so lsmod
doesn't print who loaded the module);
- after loading the module, it runs the function associated
with the dynamic symbol.
When compiled as builtin, it just calls the function given to it.
As dvb_attach() increments refcount, it can't be (easily)
called more than once for the same module, or the kernel
will deny to remove the module, because refcount will never
be zeroed.
In other words, the function name given to dvb_attach()
should be one single symbol that will always be called
before any other function on that module to be used.
For almost all DVB frontends, there's just one function.
However, the dib7000p initialization can require up to 3
functions to be called:
- dib7000p_get_i2c_master;
- dib7000p_i2c_enumeration;
- dib7000p_init (before this patch dib7000_attach).
(plus a bunch of other functions that the bridge driver will
need to call).
As we need to get rid of all those direct calls, because they
cause compilation breakages when bridge is builtin and
frontend is module, we'll need to add a new function that
will be the first one to be called, whatever initialization
is needed.
So, let's rename the function that probes and init the hardware
to dib7000p_init.
A latter patch will add a new dib7000p_attach that will be
used as originally conceived by dvb_attach() way.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
bit3 was not cleared always leaving driver reporting demod is not
fully locked. Do not check bit0 as it seems to be always 0.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Add sleep ops to lgdt3304_ops to invoke lgdt3305_sleep() to be called
from dvb_frontend_suspend(). lgdt3305_soft_reset() is called for both
3304 and 3305 devices. soft_reset and sleep touch LGDT3305_GEN_CTRL_3
on 3304 and 3305 devices. Hence, adding sleep to lgdt3304_ops will help
suspend 3304 properly from dvb_frontend_suspend().
Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The Kconfig entry for "Micronas DRX-J demodulator" defaults to modular
if DVB_FE_CUSTOMISE is set. But that Kconfig symbol was replaced with
MEDIA_SUBDRV_AUTOSELECT as of v3.7. So use the new symbol. And negate
the logic, because MEDIA_SUBDRV_AUTOSELECT's logic is the opposite of
the former logic.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
fix the following warnings:
m88rs2000.c:300:16: warning: symbol 'm88rs2000_setup' was not declared. Should it be static?
m88rs2000.c:318:16: warning: symbol 'm88rs2000_shutdown' was not declared. Should it be static?
m88rs2000.c:328:16: warning: symbol 'fe_reset' was not declared. Should it be static?
m88rs2000.c:366:16: warning: symbol 'fe_trigger' was not declared. Should it be static?
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Band switching didn't worked always reliably as there was one
register bit set wrong.
Thanks to Robert Schlabbach for pointing this bug and solution.
Reported-by: Robert Schlabbach <Robert.Schlabbach@gmx.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Exporting functions for hardware filter is a bad idea, as it
breaks compilation if:
CONFIG_DVB_USB_AF9035=y
CONFIG_DVB_AF9033=m
Because the PID filter function calls would be hardcoded at
af9035.
The same doesn't happen with af9033_attach() because the
dvb_attach() doesn't hardcode it. Instead, it dynamically
links it at runtime.
However, calling dvb_attach() multiple times is problematic,
as it increments module kref.
So, the better is to pass one parameter for the af9033 module
to fill the hardware filters, and then use it inside af9035.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Implement PID filter and export it via symbol.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
It was possible that tuner_frequency variable, used for carrier offset
compensation, was uninitialized. That happens when tuner
.get_frequency() callback is not defined.
Currently that case is not possible as only used tuner has this callback.
Coverity CID 1166057: Uninitialized scalar variable (UNINIT)
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Coverity CID 1166051: Logically dead code (DEADCODE)
TS clock calculation could be more accurate, but as it is not,
remove those unused clock speeds.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
There are two troubles there:
1) the bit error measure were not accumulating;
2) it was missing the bit count.
Fix them.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
drivers/media/dvb-frontends/drx39xyj/drxj.c: In function 'ctrl_get_qam_sig_quality':
drivers/media/dvb-frontends/drx39xyj/drxj.c:9468:6: warning: variable 'ber_cnt' set but not used [-Wunused-but-set-variable]
u32 ber_cnt = 0; /* BER count */
^
By reading the comment, it is said that BER should be calculated as:
qam_pre_rs_ber = frac_times1e6( ber_cnt, rs_bit_cnt );
Also, it makes sense to take the mantissa into account, so fix the
code to do what's commented.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
