unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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Author SHA1 Message Date
Mauro Carvalho Chehab
d76f28f2c3 [media] mt2063: Properly document the author of the original driver 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:31:26 -02:00
Mauro Carvalho Chehab
8fdb226ee1 [media] mt2063: Rearrange the delivery system functions 
No functional changes on this patch. Better organize the delivery
system information and data types, putting everything together,
to improve readability.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:22:20 -02:00
Mauro Carvalho Chehab
54a4613fdb [media] mt2063: Fix comments 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:21:43 -02:00
Mauro Carvalho Chehab
99ac541254 [media] mt2063: Fix analog/digital set params logic 
The driver were using a hacky way of setting analog and digital
frequencies. Remove the hack and properly add the tuner logic for
each supported type of standard.

I was tempted to add more standards there, like SECAM and to fix
radio (as stepping seems broken), but I opted to keep it as-is,
as tests would be needed to add additional standards.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:21:34 -02:00
Mauro Carvalho Chehab
6fb167000e [media] mt2063: make checkpatch.pl happy 
Fix everything but 80 columns and two msleep warnings

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:21:16 -02:00
Mauro Carvalho Chehab
e3f94fb8c5 [media] mt2063: Cleanup some function prototypes 
No functional changes here.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:21:05 -02:00
Mauro Carvalho Chehab
8294e3ed41 [media] mt2063: Reorder the code to avoid function prototypes 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:58 -02:00
Mauro Carvalho Chehab
4713e225a5 [media] mt2063: Remove setParm/getParm abstraction layer 
This layer just increases the code size for no good reason,
and makes harder to debug.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:48 -02:00
Mauro Carvalho Chehab
3d49700fb1 [media] mt2063: Rework on the publicly-exported functions 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:34 -02:00
Mauro Carvalho Chehab
fad11dbc93 [media] mt2063: Simplify mt2063_setTune logic 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:27 -02:00
Mauro Carvalho Chehab
31e67faeaf [media] mt2063: simplify lockstatus logic 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:21 -02:00
Mauro Carvalho Chehab
66aea30d32 [media] mt2063: Remove several unused parameters 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:16 -02:00
Mauro Carvalho Chehab
fd1126cac0 [media] mt2063: Use linux default max function 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:09 -02:00
Mauro Carvalho Chehab
8c64f93285 [media] mt2063: Don't violate the DVB API 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:20:01 -02:00
Mauro Carvalho Chehab
01e0dafc64 [media] mt2063: Simplify device init logic 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:19:53 -02:00
Mauro Carvalho Chehab
e930b3a03e [media] mt2063: Simplify some functions 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:19:44 -02:00
Mauro Carvalho Chehab
e1de3d18d4 [media] mt2063: Rewrite read/write logic at the driver 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:19:38 -02:00
Mauro Carvalho Chehab
d0dcc2da26 [media] mt2063: Remove the code for more than one adjacent mt2063 tuners 
Such code is disabled via ifdef's. Also, they're ugly and rely
on some static structures. Just remove. If ever needed, the git
log can be used to recover it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:19:31 -02:00
Mauro Carvalho Chehab
dcd52d20d3 [media] mt2063: Use state for the state structure 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:19:21 -02:00
Mauro Carvalho Chehab
51f0f7b3ed [media] mt2063: Merge the two state structures into one 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:19:11 -02:00
Mauro Carvalho Chehab
29a0a4fec5 [media] mt2063: Remove unused data structures 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:19:04 -02:00
Mauro Carvalho Chehab
fdf77a4f8e [media] mt2063: Use Unix standard error handling 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:18:59 -02:00
Mauro Carvalho Chehab
065719a768 [media] mt2063: Remove internal version checks 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:18:49 -02:00
Mauro Carvalho Chehab
6d3d748a62 [media] mt2063: Move data structures to the driver 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:18:43 -02:00
Mauro Carvalho Chehab
f867695a0f [media] mt2063: get rid of compilation warnings 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:18:32 -02:00
Mauro Carvalho Chehab
059cd82d25 [media] mt2063: Remove unused stuff 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:18:07 -02:00
Mauro Carvalho Chehab
bf97555e08 [media] mt2063: Re-define functions as static 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:17:59 -02:00
Mauro Carvalho Chehab
a0813ea340 [media] mt2063: Remove most of the #if's 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:16:24 -02:00
Mauro Carvalho Chehab
cfde89258a [media] mt2063: Use standard Linux types, instead of redefining them 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:16:23 -02:00
Mauro Carvalho Chehab
b675668aaf [media] mt2063: Fix the driver to make it compile 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:16:22 -02:00
Mauro Carvalho Chehab
0ff4843218 [media] mt2063: Move code from mt2063_cfg.h 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:16:15 -02:00
Mauro Carvalho Chehab
4dca4efc10 [media] mt2063: Fix some Coding styles at mt2063.h 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:16:04 -02:00
Mauro Carvalho Chehab
0e301442d6 [media] mt2063: CodingStyle fixes 
convert to Unix eol, run Lindent and remove bad whitespaces

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:13:54 -02:00
Mauro Carvalho Chehab
223c7b05e5 [media] add driver for mt2063 
Those files are marked as licensed with GPL, so, it is ok to
merge. They came from Terratec site:

http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2012-01-04 22:12:41 -02:00
Mauro Carvalho Chehab
c6f56e7d79 [media] dvb: don't use DVBv3 bandwidth macros 
Every frontend now uses DVBv5 way. So, let's not use the DVBv3
macros internally anymore.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 10:22:49 -02:00
Mauro Carvalho Chehab
14d24d148c [media] tuners: remove dvb_frontend_parameters from set_params() 
This is a big patch, yet trivial: now that all tuners use the DVBv5
way to pass parameters (e. g. via fe->dtv_property_cache), the
extra parameter can be removed from set_params() call.

After this change, very few DVBv3 specific stuff are left at the
tuners.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:57:29 -02:00
Mauro Carvalho Chehab
249fa0b01c [media] dvb: remove dvb_frontend_parameters from calc_regs() 
The calc_regs() callback is used by a few frontends (mt352, nxt200x,
digitv and zl10353). On all places it is called, the parameters are
set by DVBv5 way. So, just use the DVBv5 struct and remove the
extra parameter.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:52:22 -02:00
Mauro Carvalho Chehab
9481f4009c [media] tuner-simple: use DVBv5 parameters on set_params() 
Despite its name, tuner-simple has a complex logic to set freqs ;)

Basically, it can be called by two different ways: via set_params()
or via calc_regs() callbacks. Both are bound to the DVBv3 API.
Also, set_params internally calls calc_regs().

In order to get rid of DVBv3 params at set_params(), it shouldn't
call calc_regs() anymore. The code duplication is very small,
as most of the code there is just to check for invalid parameters.

With regards to calc_regs(), it should still trust on bandwidth and
frequency parameters passed via DVBv3, until a later patch fixes
it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:38:35 -02:00
Mauro Carvalho Chehab
40d6f2b837 [media] xc4000: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:49 -02:00
Mauro Carvalho Chehab
506cd71454 [media] tuner-xc2028: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:44 -02:00
Mauro Carvalho Chehab
53ccd1ca69 [media] tda827x: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:39 -02:00
Mauro Carvalho Chehab
5ca1c94dea [media] tda18271-fe: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:34 -02:00
Mauro Carvalho Chehab
ce0e93a52a [media] tda18271: add support for QAM 7 MHz map 
This standard is not properly documented, but its settings are at
the tda18271dd driver, and are somewhat obvious, as they follow
the same logic as DVB-T 7MHz.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:27 -02:00
Mauro Carvalho Chehab
67ccfe3b9e [media] tda18218: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:22 -02:00
Mauro Carvalho Chehab
e12617e6f0 [media] mxl5007t: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:16 -02:00
Mauro Carvalho Chehab
1b750d09fe [media] mxl5005s: fix: don't discard bandwidth changes 
There is a bug on mxl5005s logic: when the bandwidth changes, but using
the same delivery system, the code discard the set_params()
reconfiguration request.

This was happening because, in the previous coding, the bandwidth
calculus were after the check for delivery system changes.

The previous patch changed the logic to estimate the bandwidth to
happend together with the changes at the delivery system.

So, with a one-statement change, it is possible to make the tuner to
reconfigure, in order to adjust to bandwidth changes. this will
likely fix issues on countries that use 7MHz/8MHz DVB-T channels.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:11 -02:00
Mauro Carvalho Chehab
9818d7dff2 [media] mxl5005s: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:06 -02:00
Mauro Carvalho Chehab
82c0126ff2 [media] mt2266: use DVBv5 parameters for set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:27:01 -02:00
Mauro Carvalho Chehab
9f1791618a [media] max2165: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:26:56 -02:00
Mauro Carvalho Chehab
35fea0649e [media] mc44s803: use DVBv5 parameters on set_params() 
Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
 2011-12-31 08:26:50 -02:00